CN203023620U - Opening device under pressure of gate valve - Google Patents
Opening device under pressure of gate valve Download PDFInfo
- Publication number
- CN203023620U CN203023620U CN 201220655934 CN201220655934U CN203023620U CN 203023620 U CN203023620 U CN 203023620U CN 201220655934 CN201220655934 CN 201220655934 CN 201220655934 U CN201220655934 U CN 201220655934U CN 203023620 U CN203023620 U CN 203023620U
- Authority
- CN
- China
- Prior art keywords
- packing
- valve
- seat
- stopcock
- filler
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an opening device under pressure of a gate valve. The opening device comprises a lead screw, a packing press ring, packing, a packing seat and a plug valve, wherein a shaft hole, a packing cavity and inner threads are formed in the packing seat, the plug valve is composed of a plug valve body, a swivel nut and a plug cock, a stepped hole, outer threads and a screw hole are formed in the plug valve body, the swivel nut is inlaid in the stepped hole, and the plug cock is arranged in the screw hole. The plug valve is placed on the bottom portion of the packing seat, the outer threads of the plug valve are meshed with the inner threads of the packing seat, the packing is arranged in the packing cavity of the packing seat, the packing press ring is arranged on the top portion of the packing seat, the lead screw penetrates through the packing press ring and the shaft hole of the packing seat and is meshed with the swivel nut of the plug valve. The opening device under pressure of the gate valve is capable of conducting on-line emergency maintenance to a dropped valve, and has the advantages of being safe, easy and convenient to use, rapid and capable of avoiding damages caused by system shut-down.
Description
Technical field
The utility model relates to the repairing device of refining device technical field, especially a kind of opening device with pressure of gate valve.
Background technique
in oil refining, in the production equipment of chemical enterprise, be provided with a large amount of pipelines and valve, the normal operation of pipeline and valve, it is the basic guarantee that the Petrochemical Enterprises safety and stability is produced, in actual production process, because coming off, the valve of gate valve cause the problem of pipeline gambling plug to still have generation, in case pipeline gambling plug occurs, the integral production equipment is had a strong impact on generation, not only cause the normal continuous mobile minimizing of medium or stop, also can cause system overpressure to damage, especially the medium in pipeline is inflammable, during explosive and poisonous substance, in prior art, can't realize the on-load repairing, only take to stop, be that whole system stops laggard robbing and repaiies, the problem that exists is, in case stop, very big to the loss that Petrochemical Enterprises causes.
The model utility content
The purpose of this utility model is the opening device with pressure of a kind of gate valve of providing for the deficiencies in the prior art, the utility model can be implemented online repairing to the valve that comes off, have safety, simple, fast advantage, can avoid the loss that causes because of system shutdown.
The concrete technological scheme that realizes the utility model purpose is:
A kind of opening device with pressure of gate valve, its characteristics comprise leading screw, packing press ring, filler, filler seat and stopcock, described filler seat is the Cylindrical object that the axle center is provided with axis hole, the one end is provided with packing cavity, the other end is provided with internal thread, stopcock is comprised of faucet valve, swivel nut and cock, and faucet valve is the Cylindrical object that the axle center is provided with shoulder hole, and the one end is provided with outside thread, radially is provided with the screw that connects with shoulder hole, swivel nut is embedded in shoulder hole, and cock is located in the screw of faucet valve; Described stopcock is placed in the bottom of filler seat, and the internal thread of the outside thread of stopcock and filler seat engagement, filler is located in the packing cavity of filler seat, and packing press ring is located at the top of filler seat, and leading screw passes the swivel nut engagement of axis hole and the stopcock of packing press ring, filler seat.
The utility model can be implemented online repairing to the valve that comes off, and has safety, simple, fast advantage, can avoid the loss that causes because of system shutdown.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the use view of the utility model boring;
Fig. 3 is the use view that the utility model backs down valve.
Embodiment
Consult Fig. 1, the utility model comprises leading screw 1, packing press ring 2, filler 3, filler seat 4 and stopcock 6, described filler seat 4 is provided with the Cylindrical object of axis hole for the axle center, the one end is provided with packing cavity 41, the other end is provided with internal thread 42, stopcock 6 is comprised of faucet valve 61, swivel nut 62 and cock 63, faucet valve 61 is provided with the Cylindrical object of shoulder hole for the axle center, the one end is provided with outside thread 66, radially is provided with the screw 64 that connects with shoulder hole, swivel nut 62 is embedded in shoulder hole, and cock 63 is located in the screw 64 of faucet valve 61; Described stopcock 6 is placed in the bottom of filler seat 4, and the outside thread 66 of stopcock 6 and 42 engagements of the internal thread of filler seat 4, filler 3 is located in the packing cavity 41 of filler seat 4, packing press ring 2 is located at the top of filler seat 4, and leading screw 1 passes swivel nut 62 engagements of axis hole and the stopcock 6 of packing press ring 2, filler seat 4.
The utility model is to use like this:
When finding that valve due to gate valve comes off when causing the problem of pipeline gambling plug, take following steps, use the utility model and implement repairing;
Consult Fig. 1, Fig. 2, a), fixing stopcock: at first, control system is in the low pressure operation state, gate valve 8 to the wish repairing is implemented cooling measure, stopcock 6 is placed in the bottom of gate valve 8, and make the valve location of the axes alignment gate valve 8 of faucet valve 61, with the bottom welding of faucet valve 61 with gate valve 8.
B), the filler seat is installed: the top that filler seat 4 is placed in stopcock 6, and the internal thread 42 of filler seat 4 and 66 engagements of the outside thread of stopcock 6, drill bit 7 is placed in the shoulder hole of the axis hole of filler seat 4 and stopcock 6, filler 3 is located in packing cavity 41, and top and screw that packing press ring 2 is placed on filler seat 4 connect.
C), magnetic drill is installed: install, adjust magnetic drill, guarantee the perpendicularity of magnetic drill, and clamp drill bit 7, the cock 63 in faucet valve 61 screws 64 is located in turn, makes drill bit 7 by the screw 64 of faucet valve 61.
D), boring: begin boring, control the rotating speed of drill bit 7, take cooling measure, avoid drill bit overheated; When being about to drill through gate valve 8, the attachment screw on slight fastening packing press ring 2, compress packing press ring 2, guarantee the sealing between filler 3 and drill bit, prevent that the medium in gate valve 8 from leaking outside; After gate valve 8 drills through, drill bit 7 is detached screw 64 positions of faucet valve 61, the cock 63 in faucet valve 61 screws 64 is located in turn, and stopcock 6 cuts out; Remove magnetic drill, filler seat 4 and drill bit 7.
Consult Fig. 1, Fig. 3, e), leading screw is installed: at first swivel nut 62 is embedded in the shoulder hole of faucet valve 61 fastening, filler seat 4 is placed in the top of stopcock 6, and the internal thread 42 of filler seat 4 and 66 engagements of the outside thread of stopcock 6, leading screw 1 is placed in swivel nut 62 engagements of axis hole and the stopcock 6 of filler seat 4, filler 3 is located in packing cavity 41, and top and screw that packing press ring 2 is placed on filler seat 4 connect; The cock 63 in faucet valve 61 screws 64 is located in turn, and stopcock 6 is opened, and makes leading screw 1 by the screw 64 of faucet valve 61; Be rotated further leading screw 1, the gate that the boring of the top of leading screw 1 by gate valve 8 will come off is jack-up gradually; With the utility model and gate valve 8 sealing, control system is recovered normal operating condition, until system overhaul.
The utility model has solved the difficult problem that can't repair online after gate valve 8 valves come off, has realized hands-off operation in whole repair process, can not cause medium to leak, and need not stop, and has guaranteed the smooth running of system, avoids the loss that causes because of system shutdown.
Claims (1)
1. the opening device with pressure of a gate valve, it is characterized in that it comprises leading screw (1), packing press ring (2), filler (3), filler seat (4) and stopcock (6), described filler seat (4) is provided with the Cylindrical object of axis hole for the axle center, the one end is provided with packing cavity (41), the other end is provided with internal thread (42), stopcock (6) is by faucet valve (61), swivel nut (62) and cock (63) form, faucet valve (61) is provided with the Cylindrical object of shoulder hole for the axle center, the one end is provided with outside thread (66), radially be provided with the screw (64) that connects with shoulder hole, swivel nut (62) is embedded in shoulder hole, cock (63) is located in the screw (64) of faucet valve (61), described stopcock (6) is placed in the bottom of filler seat (4), and the outside thread (66) of stopcock (6) and the engagement of the internal thread (42) of filler seat (4), filler (3) is located in the packing cavity (41) of filler seat (4), packing press ring (2) is located at the top of filler seat (4), and leading screw (1) passes swivel nut (62) engagement of axis hole and the stopcock (6) of packing press ring (2), filler seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655934 CN203023620U (en) | 2012-12-04 | 2012-12-04 | Opening device under pressure of gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655934 CN203023620U (en) | 2012-12-04 | 2012-12-04 | Opening device under pressure of gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023620U true CN203023620U (en) | 2013-06-26 |
Family
ID=48647605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220655934 Expired - Fee Related CN203023620U (en) | 2012-12-04 | 2012-12-04 | Opening device under pressure of gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764034A (en) * | 2017-01-03 | 2017-05-31 | 南通艾迈特机械有限公司 | A kind of valve output shaft seal structure |
-
2012
- 2012-12-04 CN CN 201220655934 patent/CN203023620U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764034A (en) * | 2017-01-03 | 2017-05-31 | 南通艾迈特机械有限公司 | A kind of valve output shaft seal structure |
| CN106764034B (en) * | 2017-01-03 | 2019-11-15 | 南通艾迈特机械有限公司 | A kind of valve output shaft seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20151204 |
|
| EXPY | Termination of patent right or utility model |