CN203477567U - Bidirectional movement hand wheel mechanism - Google Patents
Bidirectional movement hand wheel mechanism Download PDFInfo
- Publication number
- CN203477567U CN203477567U CN201320270028.8U CN201320270028U CN203477567U CN 203477567 U CN203477567 U CN 203477567U CN 201320270028 U CN201320270028 U CN 201320270028U CN 203477567 U CN203477567 U CN 203477567U
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- China
- Prior art keywords
- push rod
- handwheel
- leading screw
- screw
- block
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- Withdrawn - After Issue
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Abstract
The utility model relates to an auxiliary hand wheel mechanism operating a control valve to act, in particular to a bidirectional movement hand wheel mechanism. The bidirectional movement hand wheel mechanism is characterized in that a hand wheel push rod (10) is included, the bottom portion of the hand wheel push rod is fixedly connected with an actuating mechanism, the top end of the hand wheel push rod (10) stretches out of an air cylinder upper cover (11), the bidirectional movement hand wheel mechanism further comprises a transition plate (12) arranged outside the air cylinder upper cover (11), and the transition plate (12) is respectively in seal connection with the hand wheel push rod (10) and the air cylinder upper cover (11). In addition, a push rod check block (14) is fixedly sleeved on the top portion of the hand wheel push rod (10), a guide screw check block (13) is sleeved on the hand wheel push rod (10) below the push rod check block (14), the hand wheel push rod (10) is in clearance fit with the guide screw check block (13), and the outer wall of the guide screw check block (13) is in threaded connection with the inner wall of a guide screw (17). The bidirectional movement hand wheel mechanism is arranged on the top portion of the actuating mechanism, and is convenient to mount and maintain.
Description
Technical field
The utility model relates to the nondominant hand wheel mechanism of operation control valve action, especially a kind of bidirectional-movement handwheel.
Background technique
Pneumatic actuator is controller output signal to be converted to the device of the straight-line displacement of control valve valve rod or valve shaft angular displacement.Pneumatic actuator provides thrust or moment, for overcoming unbalanced force, valve impacting force and frictional force etc., makes the proportional variation of displacement amount and input signal.It is widely used in automatic adjusting and the telecontrol of chemical industry, oil, metallurgy, electric power etc.Control valve is comprised of actuator and controlling mechanism (valve) at present, and both connect by the connected push rod in centre.When site examining and repairing or while breaking down (power-off, die and break signal), must utilize handwheel to carry out the keying of control valve manually, to guarantee equipment and personal security, prevent security incident.
Existing pneumatic actuator is joined the combination that bidirectional-movement handwheel adopts worm drive and power screw conventionally.Its shortcoming is as follows: manually, automatically switch unreliable, easily misoperation; Worm drive is generally the customization of single specification, and cost is high, without versatility, safeguards inconvenience.
Model utility content
The purpose of this utility model is to provide a kind of bidirectional-movement handwheel, can meet the requirement of different size pneumatic actuator to handwheel seriation, guarantee pneumatic actuator manual, automatic switchover reliably, reduce the cost of handwheel and the difficulty of realization, improve the reliability and maintainability of handwheel.
A kind of bidirectional-movement handwheel, its specialization is: comprise the handwheel push rod that bottom is fixedly connected with actuator push rod, stretch out from cylinder upper cover at the top of this handwheel push rod, also comprises the transition plate outside cylinder upper cover, and this transition plate is tightly connected with handwheel push rod and cylinder upper cover respectively; At this handwheel push rod top fixed cover, push rod block is housed in addition, and cover has a leading screw block on handwheel push rod below this push rod block, and be Spielpassung between this handwheel push rod and leading screw block, the outer wall of this leading screw block is connected with the inner thread of a leading screw, and is Spielpassung between the inwall of this leading screw and push rod block; On the outer wall of this leading screw, cover has a screw and this by trapezoidal thread, to connect between the two, also comprises pillar, and the two ends of this pillar are tightly connected with screw and transition plate respectively; Top at aforementioned leading screw is provided with handwheel, and centre bolt is detachably installed on this handwheel, also comprises push rod, and one end of this push rod is detachably connected on screw and its other end passes from handwheel, thereby stops hand wheel rotating.
Wherein between leading screw and handwheel, by screw thread, be fixedly connected with, and at the junction plane of handwheel and leading screw, cylindrical pin with internal thread be installed, thereby make both do not thrown off by peripheral force rear thread.
Wherein between push rod block and handwheel push rod, by screw thread, be fixedly connected with, and in joint, Cock screw be installed.
Wherein between push rod block and handwheel push rod, by screw thread, be fixedly connected with, and at this, thrust-bearing be installed between the two.
Wherein also comprise pull bar, one end of this pull bar is fixedly connected with pillar, screw and transition plate respectively and its other end is fixed on cylinder upper cover.
A kind of bidirectional-movement handwheel, its specialization is: comprise the handwheel push rod that bottom is fixedly connected with actuator push rod, and stretch out from cylinder upper cover at the top of this handwheel push rod, also comprise the transition plate outside cylinder upper cover, this transition plate is tightly connected with handwheel push rod and cylinder upper cover respectively; At this handwheel push rod top fixed cover, push rod block is housed in addition, and on handwheel push rod below this push rod block cover to have between a leading screw block and handwheel push rod and leading screw block be Spielpassung, the outer wall of this leading screw block is connected with the inner thread of a leading screw; On the outer wall of this leading screw, cover has a screw and this by trapezoidal thread, to connect between the two, and this nut sleeve is contained on the output gear of a cone gearbox simultaneously, and this cone gearbox is fixed on a counter flange; Also comprise pillar, the two ends of this pillar are fixedly connected with aforementioned transition plate with this counter flange respectively, one rotating prevention sleeve is also installed in this pillar, the two ends of this rotating prevention sleeve are fixedly connected with aforementioned transition plate with this counter flange respectively, on this rotating prevention sleeve, stop pin is installed, one end of this stop pin is stretched in chute on rotating prevention sleeve and its other end is fixedly connected with leading screw block, thereby prevents the rotation of leading screw; Also comprise transition nuts, this transition nuts and leading screw top are fixed together, and on the input shaft of cone gearbox, are installed with handwheel, thereby can be driven screw rotation and then be made leading screw traveling priority by rotation hand wheel; Also comprise push rod, one end of this push rod is detachably connected on counter flange and its other end passes from handwheel, thereby stops hand wheel rotating, at the center of cone gearbox, end cap is detachably installed in addition.
Wherein the junction plane at leading screw block and leading screw is provided with cylindrical pin with internal thread, thereby makes both do not thrown off by peripheral force rear thread.
Wherein also comprise pull bar, one end of this pull bar is fixedly connected with rotating prevention sleeve, pillar, counter flange and transition plate respectively and its other end is fixed on cylinder upper cover.
Compared with prior art, the utility model has following advantage: 1, bidirectional-movement handwheel of the present utility model is arranged on actuator top, and it is convenient to install, overhaul; 2, bidirectional-movement handwheel of the present utility model adopts push rod to carry out manually, automatically switch, and switches reliably, can not lose efficacy, and adopts push rod to switch and lock handwheel and can prevent the misoperation of user to handwheel; 3, all design is in enclosure interior for all transmission paries of bidirectional-movement handwheel of the present utility model, and reliable sealing, can accomplish transmission part non-maintaining; 4, bidirectional-movement handwheel of the present utility model is simple in structure, cost is low, versatility and expansivity strong.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of embodiment 1 in the utility model;
Accompanying drawing 2 is the structural representation of embodiment 1 in the utility model;
Accompanying drawing 3 is the structural representation of embodiment 2 in the utility model;
Accompanying drawing 4 is the use view of push rod (20) in embodiment 1 in the utility model;
Accompanying drawing 5 is the use view of push rod (20) in embodiment 2 in the utility model.
Embodiment
As shown in Fig. 1,2,4, the utility model is a kind of bidirectional-movement handwheel, comprise the handwheel push rod 10 that bottom is fixedly connected with actuator push rod, and stretch out from cylinder upper cover 11 at the top of this handwheel push rod 10, also comprise transition plate 12, this transition plate 12 is realized the sealing of handwheel push rod 10 and cylinder upper cover 11 by O shape circle; At these handwheel push rod 10 top fixed covers, push rod block 14 is housed in addition, between push rod block 14 and leading screw 17, it is Spielpassung, and cover has a leading screw block 13 on handwheel push rod 10 below this push rod block 14, be Spielpassung between the two, the outer wall of this leading screw block 13 is connected with the inner thread of a leading screw 17, on the outer wall of this leading screw 17, cover has a screw 16 and this by trapezoidal thread, to connect between the two, also comprise pillar 15, the two ends of this pillar 15 are tightly connected with screw 16 and transition plate 12 respectively; At the top of aforementioned leading screw 17, be threaded connection and be fixed with handwheel 19.
Thereby wherein at the junction plane of handwheel 19 and leading screw 17, cylindrical pin with internal thread 18 being installed makes both do not thrown off by peripheral force rear thread; Also comprise push rod 20, during automatic operation, this push rod 20 is fixed on screw 16 by screw thread through handwheel 19, and the handwheel 19 of cycle initial position can not be rotated freely, the state that keeps handwheel to throw off; During manually-operable, take off handwheel 19 centre bolts 21, this push rod 20 is screwed in to handwheel 19 center screw thread, push rod 20 ends are contacted with push rod block 14.
As shown in Figure 1, wherein between push rod block 14 and handwheel push rod 10, by screw thread, be fixedly connected with, and in joint, Cock screw be installed.As shown in Figure 2, or by screw thread, be fixedly connected with between push rod block 14 and handwheel push rod 10, and between is provided with thrust-bearing 22.In addition by pull bar by pillar 15, with and screw 16 and the transition plate 12 at two ends be fixed on cylinder upper cover 11.
As shown in Fig. 3,5, a kind of bidirectional-movement handwheel, comprise the handwheel push rod 10 that bottom is fixedly connected with actuator push rod, and stretch out from cylinder upper cover 11 at the top of this handwheel push rod 10, also comprise transition plate 12, this transition plate 12 is realized the sealing of handwheel push rod 10 and cylinder upper cover 11 by O shape circle; At these handwheel push rod 10 top fixed covers, push rod block 14 is housed in addition, between push rod block 14 and leading screw 17, it is Spielpassung, and cover has a leading screw block 13 on handwheel push rod 10 below this push rod block 14, be Spielpassung between the two, the outer wall of this leading screw block 13 is connected with the inner thread of a leading screw 17, and on the outer wall of this leading screw 17, cover has a screw 16 and this by trapezoidal thread, to connect between the two.
This screw 16 is enclosed within on the output gear of cone gearbox 34 simultaneously, can be with output gear synchronous rotary by block; This cone gearbox 34 is fixed on a counter flange 33, also comprise pillar 15 and rotating prevention sleeve 32, by pull bar by rotating prevention sleeve 32, the pillar 15 in its outside with and counter flange 33 and the transition plate 12 at two ends be fixed on cylinder upper cover 11, on this rotating prevention sleeve 32, stop pin 31 is installed, one end of this stop pin 31 is stretched in the chute of rotating prevention sleeve 32, and the other end is threaded with leading screw block 13 and is fastening, thereby prevents the rotation of leading screw 17; Transition nuts 35 is fixed together by screw thread with leading screw 17 tops, and on the input shaft of cone gearbox 34, is installed with handwheel 19, thereby can be driven screw 16 rotations and then be made leading screw 17 traveling priorities by rotation hand wheel 19.
Thereby wherein at the junction plane of leading screw block 13 and leading screw 17, cylindrical pin with internal thread 18 being installed makes both do not thrown off by peripheral force rear thread; Also comprise push rod 20, during automatic operation, this push rod 20 passes handwheel 19 and is fixed on counter flange 33 by screw thread, the handwheel 19 of cycle initial position can not be rotated freely, the state that keeps handwheel to throw off; During manually-operable, take off the end cap 36 at cone gearbox 34 centers, this push rod 20 is screwed in to transition nuts 35 center screw thread, push rod 20 ends are contacted with push rod block 14.
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Embodiment 1:
As shown in Fig. 1,2,4, wherein handwheel push rod 10Yu actuator push rod is fastening by link, and through cylinder upper cover 11 and transition plate 12, the tightness of actuator's epicoele when transition plate 12 guarantees 10 motion of handwheel push rod by end face and radial seal.
Leading screw block 13 is enclosed within on handwheel push rod 10, and fastening by outside thread and leading screw 17, because leading screw block 13 in one-level power screw structure bears one direction frictional force, Gu come locking in this structure by thread rotary orientation.
Push rod block 14 is fastening by scyewed joint with handwheel push rod 10, as shown in Figure 1, comes lockingly in the mechanism of sliding friction by Cock screw, as shown in Figure 2, in the mechanism of rolling friction, by increasing thrust-bearing 22, reduces friction locking.
Handwheel 19 is connected with the internal thread of leading screw 17 by outside thread, fastening after by joining brill cylinder pin hole at end junction plane, and insert cylindrical pin with internal thread 18, with this, handwheel 19 and leading screw 17 are joined together.
Under auto state, turn clockwise handwheel 19 on earth, thereby and after passing from handwheel 19 gaps with push rod 20, be fixed on screw 16 handwheel 19 is spacing, at this moment handwheel push rod 10 and push rod block 14 actuator push rod drive lower can, at the straight line motion of leading screw 17 internal freedoms, the operation of pneumatic actuator being had no effect.
Under manual mode, take off the centre bolt 21 of handwheel 19, push rod 20 is screwed in to handwheel 19 center screw thread, push rod 20 ends are contacted with push rod block 14, the straight line motion of restriction handwheel push rod 10 in leading screw 17.Be rotated counterclockwise handwheel 19 and drive leading screws 17 to move upward, under the effect of leading screw block 13 and push rod block 14, handwheel push rod 10 is followed leading screw 17 and is moved upward; The handwheel 19 of turning clockwise drives leading screws 17 to move downward under the effect of push rod 20 handwheel push rod 10 and follows leading screw 17 and move downward.
In said structure during handwheel 19 operation, screw 16 is moving part not, and leading screw 17 is revolving part.
Embodiment 2:
As shown in Fig. 3,5, as different from Example 1, in this structure, increased stop pin 31; Rotating prevention sleeve 32; Counter flange 33; Cone gearbox 34; Transition nuts 35 and end cap 36.
Stop pin 31 inserts in the chute of rotating prevention sleeves 32 and is threaded connection fastening with leading screw block 13.
After leading screw block 13 and leading screw 17 threaded pre-tightenings by joining brill cylinder pin hole at end junction plane, and insert cylindrical pin with internal thread 18, with this, leading screw 17 and leading screw block 13 are joined together, and under the effect of stop pin 31, make leading screw 17 not rotate can only be at the interior straight line motion of rotating prevention sleeve 32.
Rotating prevention sleeve 32 coordinates with counter flange 33 and transition plate 12, by pull bar, rotating prevention sleeve 32, pillar 15 and transition plate 12 is fixed on cylinder upper cover 11.
Cone gearbox 34 matches to merge with counter flange 33 and fixes.
The upper end that transition nuts 35 is provided with outside thread and leading screw 17 is connected by internal thread and is fastening, and push rod 20 can screw in the internal thread of transition nuts 35.
Under auto state, turn clockwise handwheel 19 on earth, thereby and after passing from handwheel 19 gaps with push rod 20, be fixed on counter flange 33 handwheel 19 is spacing, at this moment handwheel push rod 10 and push rod block 14 actuator push rod drive lower can, at the straight line motion of leading screw 17 internal freedoms, the operation of pneumatic actuator being had no effect.
Under manual mode, take off the end cap 36 at cone gearbox 34 centers, push rod 20 is screwed in to transition nuts 35 center screw thread, push rod 20 ends are contacted with push rod block 14, the straight line motion of restriction handwheel push rod 10 in leading screw 17.Be rotated counterclockwise handwheel 19 and drive leading screws 17 to move upward, under the effect of leading screw block 13 and push rod block 14, handwheel push rod 10 is followed leading screw 17 and is moved upward; The handwheel 19 of turning clockwise drives leading screws 17 to move downward under the effect of push rod 20 handwheel push rod 10 and follows leading screw 17 and move downward.
When in said structure, handwheel 19 operates, screw 16 is revolving part, and leading screw 17 can only straight line motion under the effect of leading screw block 13, stop pin 31 and rotating prevention sleeve 32.
Claims (8)
1. a bidirectional-movement handwheel, it is characterized in that: comprise the handwheel push rod (10) that bottom is fixedly connected with actuator push rod, stretch out from cylinder upper cover (11) at the top of this handwheel push rod (10), also comprise the transition plate (12) that cylinder upper cover (11) is outer, this transition plate (12) is tightly connected with handwheel push rod (10) and cylinder upper cover (11) respectively; At this handwheel push rod (10) top fixed cover, push rod block (14) is housed in addition, and cover has a leading screw block (13) on the handwheel push rod (10) of this push rod block (14) below, and be Spielpassung between this handwheel push rod (10) and leading screw block (13), the outer wall of this leading screw block (13) is connected with the inner thread of a leading screw (17), and is Spielpassung between the inwall of this leading screw (17) and push rod block (14); On the outer wall of this leading screw (17), cover has a screw (16) and this by trapezoidal thread, to connect between the two, also comprises pillar (15), and the two ends of this pillar (15) are tightly connected with screw (16) and transition plate (12) respectively; At the top of aforementioned leading screw (17), handwheel (19) is installed, centre bolt (21) is detachably installed on this handwheel (19), also comprise push rod (20), one end of this push rod (20) is detachably connected on that screw (16) is upper and its other end passes from handwheel (19), thereby stops handwheel (19) to rotate.
2. bidirectional-movement handwheel as claimed in claim 1, it is characterized in that: wherein between leading screw (17) and handwheel (19), by screw thread, be fixedly connected with, and at handwheel (19) and the junction plane of leading screw (17), cylindrical pin with internal thread (18) is installed, thereby makes both do not thrown off by peripheral force rear thread.
3. bidirectional-movement handwheel as claimed in claim 1 or 2, is characterized in that: wherein between push rod block (14) and handwheel push rod (10), by screw thread, be fixedly connected with, and in joint, Cock screw be installed.
4. bidirectional-movement handwheel as claimed in claim 1 or 2, is characterized in that: wherein between push rod block (14) and handwheel push rod (10), by screw thread, be fixedly connected with, and at this, thrust-bearing (22) be installed between the two.
5. bidirectional-movement handwheel as claimed in claim 1, is characterized in that: wherein also comprise pull bar, one end of this pull bar is fixedly connected with pillar (15), screw (16) and transition plate (12) respectively and its other end is fixed on cylinder upper cover (11).
6. a bidirectional-movement handwheel, it is characterized in that: comprise the handwheel push rod (10) that bottom is fixedly connected with actuator push rod, and stretch out from cylinder upper cover (11) at the top of this handwheel push rod (10), also comprise the transition plate (12) that cylinder upper cover (11) is outer, this transition plate (12) is tightly connected with handwheel push rod (10) and cylinder upper cover (11) respectively; At this handwheel push rod (10) top fixed cover, push rod block (14) is housed in addition, and the upper cover of handwheel push rod (10) in this push rod block (14) below to have between a leading screw block (13) and handwheel push rod (10) and leading screw block (13) be Spielpassung, the outer wall of this leading screw block (13) is connected with the inner thread of a leading screw (17); On the outer wall of this leading screw (17), cover has a screw (16) and this by trapezoidal thread, to connect between the two, this screw (16) is sleeved on the output gear of a cone gearbox (34) simultaneously, and this cone gearbox (34) is fixed on a counter flange (33); Also comprise pillar (15), the two ends of this pillar (15) are fixedly connected with aforementioned transition plate (12) with this counter flange (33) respectively, one rotating prevention sleeve (32) is also installed in this pillar (15), the two ends of this rotating prevention sleeve (32) are fixedly connected with aforementioned transition plate (12) with this counter flange (33) respectively, stop pin (31) is installed on this rotating prevention sleeve (32), one end of this stop pin (31) is stretched in chute on rotating prevention sleeve (32) and its other end is fixedly connected with leading screw block (13), thereby prevents the rotation of leading screw (17); Also comprise transition nuts (35), this transition nuts (35) is fixed together with leading screw (17) top, and on the input shaft of cone gearbox (34), be installed with handwheel (19), thereby can drive screw (16) to rotate and then make leading screw (17) traveling priority by rotation hand wheel (19); Also comprise push rod (20), one end of this push rod (20) is detachably connected on that counter flange (33) is upper and its other end passes from handwheel (19), thereby stop handwheel (19) to rotate, at the center of cone gearbox (34), end cap (36) is detachably installed in addition.
7. a kind of bidirectional-movement handwheel as claimed in claim 6, is characterized in that: wherein at leading screw block (13) and the junction plane of leading screw (17), cylindrical pin with internal thread (18) is installed, thereby makes both do not thrown off by peripheral force rear thread.
8. bidirectional-movement handwheel as claimed in claim 6, it is characterized in that: wherein also comprise pull bar, one end of this pull bar is fixedly connected with rotating prevention sleeve (32), pillar (15), counter flange (33) and transition plate (12) respectively and its other end is fixed on cylinder upper cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320270028.8U CN203477567U (en) | 2013-05-17 | 2013-05-17 | Bidirectional movement hand wheel mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320270028.8U CN203477567U (en) | 2013-05-17 | 2013-05-17 | Bidirectional movement hand wheel mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477567U true CN203477567U (en) | 2014-03-12 |
Family
ID=50225898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320270028.8U Withdrawn - After Issue CN203477567U (en) | 2013-05-17 | 2013-05-17 | Bidirectional movement hand wheel mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256426A (en) * | 2013-05-17 | 2013-08-21 | 银川英奥特自控有限公司 | Bidirectional movement hand wheel mechanism |
| RU167619U1 (en) * | 2014-10-29 | 2017-01-10 | Владимир Федорович Семенов | TWO SPEED FLYWHEEL FOR PIPELINE FITTINGS |
-
2013
- 2013-05-17 CN CN201320270028.8U patent/CN203477567U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256426A (en) * | 2013-05-17 | 2013-08-21 | 银川英奥特自控有限公司 | Bidirectional movement hand wheel mechanism |
| CN103256426B (en) * | 2013-05-17 | 2015-06-03 | 银川英奥特自控有限公司 | Bidirectional movement hand wheel mechanism |
| RU167619U1 (en) * | 2014-10-29 | 2017-01-10 | Владимир Федорович Семенов | TWO SPEED FLYWHEEL FOR PIPELINE FITTINGS |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150603 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150603 |
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| RGAV | Abandon patent right to avoid regrant |