CN204512623U - A kind of mechanical lock fixed structure and tripper - Google Patents
A kind of mechanical lock fixed structure and tripper Download PDFInfo
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- CN204512623U CN204512623U CN201520158357.2U CN201520158357U CN204512623U CN 204512623 U CN204512623 U CN 204512623U CN 201520158357 U CN201520158357 U CN 201520158357U CN 204512623 U CN204512623 U CN 204512623U
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- tripper
- ball
- fixed structure
- live axle
- mechanical lock
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Abstract
The utility model relates to energy technical field of transportation, particularly relates to a kind of mechanical lock fixed structure and tripper.Wherein, mechanical lock fixed structure and tripper, utilize the mechanical parts such as ball, lock sleeve, roll wheel assembly, dunnage, shift fork to realize the self-locking of sliding axle, and the while that shift fork and pulley being fitted, ball is stuck between restraining groove and groove, moving axially of live axle can be limited, realize locking completely; When needs unlock, roll wheel assembly is promoted to the right or left, destroy the support of dunnage, live axle is under the effect of driving force, ball is forced to slide, disengage with axle, driving force band moving axis moves, complete unblock, by carrying urgent block valve to be connected live axle and pipeline, emergency cut-off function can be realized, and there is not the problem that flap do not open completely and dam, do not need exhausting air in air simultaneously, Security is better, and the stability of its structure is better, can improve the stability of urgent block valve.
Description
Technical field
The utility model relates to energy technical field of transportation, particularly relates to a kind of mechanical lock fixed structure and tripper.
Background technique
At present, Cemented filling has become the major way of contemporary energy transport, utilizes the resources such as long-distance transportation through pipeline oil, gas to become the main means of world today's solution energy conveying.Major oil, gas producing country and consumption state use long-distance transport pipes to solve the transportation problem of petroleum resources all in a large number in the world, and the conveying more than 95% of rock gas adopts Cemented filling mode.Along with China's natural gas widelys popularize application, driven the quick growth of the Pipeline transport control unit market demand, urgent block valve is widely used as important Pipeline transport control unit.
Urgent block valve, as a kind of pipeline safety valve, has the function of emergency cut-off protection pipeline, is in full-gear under normal work.In order to prevent the flap Lift change because the factors such as on-the-spot pipeline dynamic value change cause; cause pipeline energy loss; we carry out mechanical locking mechanism and tripper is researched and developed; in pipeline is normally carried; main valve clack is locked in the highest enable possition, automatic unlocking protection when pipeline occurs abnormal.
Urgent block valve carried by existing pipeline, mainly utilize medium self-energy to realize emergency cut-off function, its unloading way comprises leading type structure or emptying type structure, leading type structure is by main valve clack epicoele and line downstream conducting, cause on main valve clack, the imbalance of lower cavity pressure, reach the object that main valve is opened, but adopt this kind of mode to open main valve clack, the Lift of main valve clack easily affects by pipeline oil pressure, lower floating, although meet produced on-site requirement, but give a kind of flap of people non-full open from outward appearance valve position indicating device, there is the illusion of damming, affect the judgement of field personnel, and emptying type structure, be that main valve clack epicoele source of the gas is discharged in air, cause the imbalance of the upper and lower cavity pressure of main valve clack, reach the object that main valve is opened completely.This device is dexterousr than other urgent block valve structures, flap can be opened to highest order completely, there is not defects such as damming, but because a small amount of flap epicoele gas outwardly must be discharged in valve opening process, there is certain potential safety hazard in this high-risk occasion of well head.
Therefore, for above deficiency, need to provide a kind of mechanical lock fixed structure and tripper, with urgent block valve with the use of, realize the function that urgent block valve carried by pipeline.
Model utility content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: existing pipeline carries urgent block valve mainly to utilize medium self-energy to realize emergency cut-off function, in air inlet cut-out working procedure, there is the non-full open of flap, exist and dam, and flap epicoele gas is discharged in air the problem that there is potential safety hazard.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of mechanical lock fixed structure and tripper, comprise supporting base, live axle, seesaw, ball and roll wheel assembly, ball base, lock sleeve and shift fork are socketed with live axle successively, described ball base is fixedly connected with supporting base, described live axle is provided with the annular spacing groove with ball engagement, described ball base inwall is provided with described lock sleeve inwall joint the groove coordinated with described restraining groove, one end of described roll wheel assembly is connected with described supporting base is rotating, the other end is provided with pulley, one end of described seesaw is connected the other end with described shift fork and described pulley is fitted, the middle part of described seesaw is connected with described supporting base by pin, seesaw can rotate around described pin.
Wherein, described roll wheel assembly is connected with described supporting base by rotating shaft.
Wherein, the pre-tightening mechanism for applying lock sleeve along described live axle axial pre tightening force is also comprised.
Wherein, described pre-tightening mechanism comprises the locking block be connected with shift fork and the spring be arranged between locking block and lock sleeve.
Wherein, also comprise gland, be connected by screw between described gland and described supporting base.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the utility model provides a kind of mechanical lock fixed structure and tripper, the mechanical parts such as ball, lock sleeve, roll wheel assembly, dunnage, shift fork are utilized to realize the self-locking of sliding axle, the while that shift fork and pulley being fitted, ball is stuck between restraining groove and groove, moving axially of live axle can be limited, no matter how driving force increases, also axle cannot be made to move, realize locking completely, when needs unlock, roll wheel assembly is promoted to the right or left, destroy the support of dunnage, live axle is under the effect of driving force, ball is forced to slide, disengage with axle, driving force band moving axis moves, complete unblock, by carrying urgent block valve to be connected live axle and pipeline, emergency cut-off function can be realized, with traditional medium self-energy that utilizes to compared with the urgent block valve realizing emergency cut-off function, the mechanical lock fixed structure of the application and tripper, there is not flap not open completely, the problem of damming, do not need exhausting air in air simultaneously, Security is better, and the stability of its structure is better, the stability of urgent block valve can be improved.
Accompanying drawing explanation
The advantage of the above-mentioned and/or additional aspect of the utility model will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation that the mechanical lock fixed structure that provides of the utility model and tripper are in the lock state;
Fig. 2 is the structural representation that the mechanical lock fixed structure that provides of the utility model and tripper are in released state.
Corresponding relation wherein in Fig. 1 and Fig. 2 between reference character and component names is:
1, roll wheel assembly, 11, pulley, 12, dunnage, 2, supporting base, 3, gland, 4, pin, 5, seesaw, 6, live axle, 7, shift fork, 8, locking block, 9, spring, 10, lock sleeve, 11, ball, 12, ball base.
Embodiment
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, belongs to the scope of the utility model protection.
As depicted in figs. 1 and 2, the utility model provides a kind of mechanical lock fixed structure and tripper, comprise supporting base 2, live axle 6, seesaw 5, ball 11 and roll wheel assembly 1, ball base 12, lock sleeve 10 and shift fork 7 are socketed with live axle 6 successively, described ball base 12 is fixedly connected with supporting base 2, described live axle 6 is provided with the annular spacing groove coordinated with ball 11, described ball base 12 inwall is provided with described lock sleeve 10 inwall joint the groove coordinated with described restraining groove, one end of described roll wheel assembly 1 is connected with described supporting base 2 is rotating, the other end is provided with pulley 11, one end of described seesaw 5 is connected the other end with described shift fork 7 and described pulley 11 is fitted, the middle part of described seesaw 5 is connected with described supporting base 2 by pin 4, seesaw 5 can rotate around described pin 4.The mechanical lock fixed structure that the utility model provides and tripper, the mechanical parts such as ball 11, lock sleeve 10, roll wheel assembly 1, dunnage 12, shift fork 7 are utilized to realize the self-locking of sliding axle, the while that shift fork 7 and pulley 11 being fitted, ball 11 is stuck between restraining groove and groove, moving axially of live axle 6 can be limited, no matter how driving force increases, also axle cannot be made to move, realize locking completely, when needs unlock, roll wheel assembly 1 is promoted to the right or left, destroy the support of dunnage 12, live axle 6 is under the effect of driving force, ball 11 is forced to slide, disengage with axle, driving force band moving axis moves, complete unblock, by carrying urgent block valve to be connected live axle 6 and pipeline, emergency cut-off function can be realized, with traditional medium self-energy that utilizes to compared with the urgent block valve realizing emergency cut-off function, the mechanical lock fixed structure of the application and tripper, there is not flap not open completely, the problem of damming, do not need exhausting air in air simultaneously, Security is better, and the stability of its structure is better, the stability of urgent block valve can be improved.
Preferably, described restraining groove is semicircle annular groove, described ball base 12 inwall is provided with described lock sleeve 10 inwall joint the groove coordinated with described restraining groove, the position that wherein inwall of ball base 12 is connected with lock sleeve 10 is provided with triangular chamfered, accordingly lock sleeve 10 is also provided with triangle to angle, forms a leg-of-mutton groove by the cooperation of two chamferings.
Certainly; in the above-described embodiments; the sectional shape that described ball base 12 inwall and described lock sleeve 10 inwall joint are provided with the groove coordinated with described restraining groove also can be other shape; as circular arc etc.; equally also can realize the object of the application; sub-aim does not depart from design philosophy of the present utility model, should belong to protection domain of the present utility model.
Preferably, described roll wheel assembly 1 is connected with described supporting base 2 by rotating shaft, and such roll wheel assembly 1 can, around axis of rotation, rotate convenient, is more prone to the locking and the unblock that realize whole device.
Preferably, described mechanical lock fixed structure and tripper also comprise the pre-tightening mechanism for applying lock sleeve 10 along described live axle 6 axial pre tightening force, described pre-tightening mechanism comprises the locking block 8 be connected with shift fork 7 and the spring 9 be arranged between locking block 8 and lock sleeve 10 particularly, by Compress Spring 9 in advance, a suitable pretightening force is set, can either ensure in the locked condition lock sleeve 10 and ball base 12 to be compressed, can guarantee that again lock sleeve 10 can separate with ball base 12 when unlocking, there will not be and cause lock sleeve 10 and the inseparable problem of ball base 12 because pretightening force is excessive.
Particularly, mechanical lock fixed structure and tripper also comprise gland 3, are connected by screw between described gland 3 and described supporting base 2.
It should be noted that, simply, stable performance, can use with other coordinative composition of equipments, be applicable to other field for the mechanical lock fixed structure that the utility model provides and its structure of tripper.
In sum, the utility model provides a kind of mechanical lock fixed structure and tripper, the mechanical parts such as ball, lock sleeve, roll wheel assembly, dunnage, shift fork are utilized to realize the self-locking of sliding axle, the while that shift fork and pulley being fitted, ball is stuck between restraining groove and groove, moving axially of live axle can be limited, no matter how driving force increases, and axle also cannot be made to move, and realizes locking completely, when needs unlock, roll wheel assembly is promoted to the right or left, destroy the support of dunnage, live axle is under the effect of driving force, ball is forced to slide, disengage with axle, driving force band moving axis moves, complete unblock, by carrying urgent block valve to be connected live axle and pipeline, emergency cut-off function can be realized, with traditional medium self-energy that utilizes to compared with the urgent block valve realizing emergency cut-off function, the mechanical lock fixed structure of the application and tripper, there is not flap not open completely, the problem of damming, do not need exhausting air in air simultaneously, Security is better, and the stability of its structure is better, the stability of urgent block valve can be improved.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (5)
1. a mechanical lock fixed structure and tripper, it is characterized in that: comprise supporting base (2), live axle (6), seesaw (5), ball (11) and roll wheel assembly (1), ball base (12), lock sleeve (10) and shift fork (7) are socketed with live axle (6) successively, described ball base (12) is fixedly connected with supporting base (2), described live axle (6) is provided with the annular spacing groove coordinated with ball (11), described ball base (12) inwall is provided with described lock sleeve (10) inwall joint the groove coordinated with described restraining groove, one end of described roll wheel assembly (1) is connected with described supporting base (2) is rotating, the other end is provided with pulley (11), one end of described seesaw (5) is connected the other end with described shift fork (7) and described pulley (11) is fitted, the middle part of described seesaw (5) is connected with described supporting base (2) by pin (4), seesaw (5) can rotate around described pin (4).
2. mechanical lock fixed structure according to claim 1 and tripper, is characterized in that: described roll wheel assembly (1) is connected with described supporting base (2) by rotating shaft.
3. mechanical lock fixed structure according to claim 1 and tripper, is characterized in that: also comprise the pre-tightening mechanism for applying lock sleeve (10) along described live axle (6) axial pre tightening force.
4. mechanical lock fixed structure according to claim 3 and tripper, is characterized in that: described pre-tightening mechanism comprises the locking block (8) be connected with shift fork (7) and the spring (9) be arranged between locking block (8) and lock sleeve (10).
5. mechanical lock fixed structure according to claim 1 and tripper, is characterized in that: also comprise gland (3), is connected by screw between described gland (3) and described supporting base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158357.2U CN204512623U (en) | 2015-03-19 | 2015-03-19 | A kind of mechanical lock fixed structure and tripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158357.2U CN204512623U (en) | 2015-03-19 | 2015-03-19 | A kind of mechanical lock fixed structure and tripper |
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| Publication Number | Publication Date |
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| CN204512623U true CN204512623U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520158357.2U Active CN204512623U (en) | 2015-03-19 | 2015-03-19 | A kind of mechanical lock fixed structure and tripper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016659A (en) * | 2016-07-06 | 2016-10-12 | 珠海格力电器股份有限公司 | Air guide mechanism and air conditioner with same |
| CN108194648A (en) * | 2018-01-31 | 2018-06-22 | 西安海智机电设备有限公司 | A kind of quick action emergency valve |
-
2015
- 2015-03-19 CN CN201520158357.2U patent/CN204512623U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016659A (en) * | 2016-07-06 | 2016-10-12 | 珠海格力电器股份有限公司 | Air guide mechanism and air conditioner with same |
| CN108194648A (en) * | 2018-01-31 | 2018-06-22 | 西安海智机电设备有限公司 | A kind of quick action emergency valve |
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