CN202100815U - Long-range control device for valve - Google Patents
Long-range control device for valve Download PDFInfo
- Publication number
- CN202100815U CN202100815U CN 201120206579 CN201120206579U CN202100815U CN 202100815 U CN202100815 U CN 202100815U CN 201120206579 CN201120206579 CN 201120206579 CN 201120206579 U CN201120206579 U CN 201120206579U CN 202100815 U CN202100815 U CN 202100815U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure
- low
- evacuation valve
- low pressure
- 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
Links
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010010214 Compression fracture Diseases 0.000 description 1
- 208000001034 Frostbite Diseases 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a long-range control device for a valve, which comprises a high-pressure evacuation valve, a low-pressure evacuation valve, a high-pressure pipeline and a low-pressure pipeline, wherein an inlet of the high-pressure evacuation valve is connected with the high-pressure pipeline, and an outlet of the high-pressure evacuation valve is connected with the low-pressure evacuation valve by the low-pressure pipeline; the long-range control device further comprises a valve operation mechanism which comprises an extension rod used for controlling the low-pressure evacuation valve, and an extension rod used for controlling the high-pressure evacuation valve, wherein the extension rod used for controlling the high-pressure evacuation valve is connected with a valve shaft of the high-pressure evacuation valve by a chain wheel and a chain; the extension rods are provided with fixed seats; the upper ends of the extension rods are provided with handles; the high-pressure pipeline is provided with a high-pressure valve piece; and the low-pressure pipeline is connected with the low-pressure evacuation valve by a tee joint. The long-range control device for the valve is simple in structure, controlled in a mechanical way, safer and more reliable in transmission of power, lower in failure rate, low in cost and convenient in maintenance, guarantees the personal safety of operators, and has a wide application scope.
Description
Technical field
The utility model relates to a kind of valve remote control, belongs to the oil field compression fracture apparatus field.
Background technique
The high low pressure valve of liquid nitrogen plant and pipeline are operated for ease and all are installed in inside, control room usually; Because what flow in the pipeline is the liquid nitrogen with ultralow temperature characteristic; In case valve and line seal are damaged, and can reveal a large amount of liquid nitrogen, these liquid nitrogen are splashed to operator easily and cause frostbite on one's body; Control room seal space in addition; Reveal liquid nitrogen and in air, become nitrogen very soon, a large amount of nitrogen can cause operator's anoxia asphyxia in seal space, in view of above safety problem; Must adjust the position of high low pressure valve and pipeline; Valve is installed in the outside, control room,, wants that the switch of adjustment valve in the control room is not very convenient though can guarantee operator's personal safety to the outside.The valve remote control that for this reason needs a kind of practicality.
The model utility content
The utility model is installed in the problem of the potential safety hazard of the existence control room in to above-mentioned high low pressure pipeline and valve, and a kind of valve remote control is provided, and the realization operator can accomplish the operation purpose to valve outside the control room in the control room.
The technological scheme that the utility model solves the problems of the technologies described above is following: a kind of valve remote control; Comprise high pressure exhaust-valve, low pressure exhaust-valve, pressure duct and low pressure line; The inlet of said high pressure exhaust-valve is connected with said pressure duct; The outlet of said high pressure exhaust-valve is connected with said low pressure exhaust-valve through said low pressure line, also comprises valve operating mechanism;
Said valve operating mechanism comprises the extension bar that is used to control said low pressure exhaust-valve, is used to control the extension bar of said high pressure exhaust-valve, and said extension bar is connected with the valve shaft of said high pressure exhaust-valve through sprocket wheel and chain.
Compared with prior art; The beneficial effect of the utility model is: the high pressure exhaust-valve can be installed in the correct position in the outside, control room; Length through adjustment chain and extension bar realizes transmission of power; Can accomplish control at the control in-house operation, guarantee operator's personal safety the high low pressure valve; This device adopts machinery control, and transmission of power is more safe and reliable, and rate of fault is lower, and is simple in structure, and cost is low, and is easy to maintenance, applied range.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, said extension bar is provided with fixed base.
Further, be provided with handle on the said extension bar.
Further, said pressure duct is provided with the high pressure valve member.
Further, said low pressure line is connected through threeway with said low pressure exhaust-valve.
Adopt the beneficial effect of above-mentioned further scheme to be: fixed base has guaranteed that extension bar is rotated around the fixed base axis; Adopt the handle comfortable feel, easy to operate; On pressure duct, be provided with the maintenance that the high pressure valve member then makes things convenient for follow up device; And the low pressure line threeway is in order to guarantee to carry out the emptying operation as required when normal liquid nitrogen is supplied with.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1, pressure duct; 2, high pressure exhaust-valve; 3, valve shaft; 4, low pressure line; 5-1,5-2, extension bar; 6, fixed base; 7, chain; 8, low pressure exhaust-valve; 9, sprocket wheel; 10, high pressure valve member; 11, threeway.
Embodiment
Below in conjunction with accompanying drawing the principle and the characteristic of the utility model are described, institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.
As shown in Figure 1: a kind of valve remote control comprises high pressure exhaust-valve 2, low pressure exhaust-valve 8, pressure duct 1, low pressure line 4 and valve operating mechanism.The inlet of said high pressure exhaust-valve 2 is connected with pressure duct 1, and the outlet of said high pressure exhaust-valve 2 is connected with low pressure exhaust-valve 8 through low pressure line 4.Said valve operating mechanism comprises the extension bar 5-1 that is used to control said low pressure exhaust-valve 8, is used to control the extension bar 5-2 of high pressure exhaust-valve 2, and said extension bar 5-2 is connected with the valve shaft 3 of high pressure exhaust-valve 2 through sprocket wheel 9 and chain 7.On extension bar 5-1, establish a fixed base 6, extension bar 5-2 is provided with two fixed bases 6, and in the fixed base 6 spherical bearing is arranged.Be provided with handle in extension bar 5-1,5-2 upper end.On pressure duct 1, be provided with high pressure valve member 10.Said low pressure line 4 is connected through threeway 11 with low pressure exhaust-valve 8.
During adjustment high pressure exhaust-valve 2 switches, can be through rotation extension bar 5-2 in the control room, sprocket wheel 9 rotating tee are crossed chain 7 transmission of power and are given valve shaft 3, and valve shaft 3 rotates synchronously, thereby realizes the switch of control high pressure exhaust-valve 2.When needs adjustment low pressure exhaust-valve 8, then carry out remote operation through extension bar 5-1.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (5)
1. valve remote control; Comprise high pressure exhaust-valve (2), low pressure exhaust-valve (8), pressure duct (1) and low pressure line (4); The inlet of said high pressure exhaust-valve (2) is connected with said pressure duct (1); The outlet of said high pressure exhaust-valve (2) is connected with said low pressure exhaust-valve (8) through said low pressure line (4), it is characterized in that: also comprise valve operating mechanism;
Said valve operating mechanism comprises the extension bar (5-1) that is used to control said low pressure exhaust-valve (8); Be used to control the extension bar (5-2) of said high pressure exhaust-valve (2), said extension bar (5-2) is connected with the valve shaft (3) of said high pressure exhaust-valve (2) through sprocket wheel (9) and chain (7).
2. valve remote control according to claim 1 is characterized in that: (5-1 5-2) is provided with fixed base (6) to said extension bar, and said fixed base is provided with bearing in (6).
3. valve remote control according to claim 1 and 2 is characterized in that: (5-1,5-2) upper end is provided with handle to said extension bar.
4. valve remote control according to claim 1 is characterized in that: said pressure duct (1) is provided with high pressure valve member (10).
5. valve remote control according to claim 1 is characterized in that: said low pressure line (4) is connected through threeway (11) with said low pressure exhaust-valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120206579 CN202100815U (en) | 2011-06-20 | 2011-06-20 | Long-range control device for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120206579 CN202100815U (en) | 2011-06-20 | 2011-06-20 | Long-range control device for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100815U true CN202100815U (en) | 2012-01-04 |
Family
ID=45386829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120206579 Expired - Fee Related CN202100815U (en) | 2011-06-20 | 2011-06-20 | Long-range control device for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100815U (en) |
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-
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- 2011-06-20 CN CN 201120206579 patent/CN202100815U/en not_active Expired - Fee Related
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