CN114215947B - Pressure reducing valve for petroleum transmission and use method thereof - Google Patents
Pressure reducing valve for petroleum transmission and use method thereof Download PDFInfo
- Publication number
- CN114215947B CN114215947B CN202111593086.XA CN202111593086A CN114215947B CN 114215947 B CN114215947 B CN 114215947B CN 202111593086 A CN202111593086 A CN 202111593086A CN 114215947 B CN114215947 B CN 114215947B
- Authority
- CN
- China
- Prior art keywords
- pressure
- valve body
- transmission
- valve
- vertical
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003208 petroleum Substances 0.000 title claims description 20
- 230000005570 vertical transmission Effects 0.000 claims description 59
- 238000007789 sealing Methods 0.000 claims description 55
- 230000006837 decompression Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000005571 horizontal transmission Effects 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to the technical field of oil exploitation, in particular to a pressure reducing valve for oil transmission and a use method thereof. According to the invention, the valve body brake block is used for reducing the pressure of the oil outlet of the pressure reducing valve, and the auxiliary pressure reducing structure is used for reducing the pressure of the oil inlet of the pressure reducing valve, so that the pressure reducing valve body is reduced under the dual functions, the structure is simple, the convenience is higher, and the structural strength and the service life of the device are greatly improved.
Description
Technical Field
The invention relates to a pressure reducing valve and a using method thereof, in particular to a pressure reducing valve for petroleum transmission and a using method thereof, belonging to the technical field of petroleum exploitation.
Background
The pressure reducing valve is a throttle element with variable local resistance from the fluid mechanics point of view, namely, the throttle area is changed to change the flow speed and the kinetic energy of the fluid, so that different pressure losses are caused, the aim of reducing pressure is achieved, and then the fluctuation of the pressure behind the valve is balanced with the spring force by virtue of the adjustment of a control and adjustment system, so that the pressure behind the valve is kept constant within a certain error range.
In the transportation of petroleum, since the density of petroleum is relatively high, the impact force is large compared with other liquids, and the structural strength of the pressurizing valve in the petroleum transportation is low, so that the service life cannot meet the use requirement.
Accordingly, there is a need for an improvement in pressure reducing valves for oil transportation to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a pressure reducing valve for petroleum transmission and a use method thereof, wherein a valve body brake block is used for reducing the pressure of an oil outlet of the pressure reducing valve, and an auxiliary pressure reducing structure is used for reducing the pressure of an oil inlet of the pressure reducing valve.
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
the pressure reducing valve for petroleum transmission comprises a pressure reducing valve body, wherein a pressure reducing valve oil inlet and a pressure reducing valve oil outlet which are symmetrically distributed are formed in the bottom of the pressure reducing valve body, the pressure reducing valve oil outlet is communicated with the pressure reducing valve oil outlet, a flow dividing piece is arranged in the pressure reducing valve oil inlet, a valve body brake block which moves vertically is arranged in the pressure reducing valve oil outlet, and the valve body brake block is connected with a driving wheel through a transmission shaft;
the inside of the oil outlet of the pressure reducing valve is provided with a pressure reducing bin, the pressure reducing bin is arranged under the valve body brake block, the inside of the pressure reducing bin is provided with an auxiliary pressure reducing structure, the auxiliary pressure reducing structure comprises a vertical transmission part and a transverse transmission part, the vertical transmission part is connected with a vertical transmission rod, and the vertical transmission rod is propped against the lower side surface of the valve body brake block;
through above technical scheme, rotate the drive wheel and can make the valve body brake shoe decompress the relief pressure valve oil-out, supplementary relief pressure structure simultaneously decompresses the relief pressure valve oil inlet, decompresses the relief pressure valve body under dual effect, simple structure, the cost of manufacture is low, can control the first closing plate on the valve body brake shoe simultaneously and supplementary transverse transmission spare on the relief pressure structure through the drive wheel, therefore easy operation, the convenience is higher, the structural strength of device and life are promotion along with it too.
Preferably, the split part is connected with a split arm and a sealing arm, the split part is of a Y-shaped structure, the sealing arm is propped against one side surface of the valve body brake block, a water blocking lug is arranged in the oil inlet of the pressure reducing valve right below the split arm, and the split arm and the water blocking lug are on the same vertical axis;
through above technical scheme, the reposition of redundant personnel spare of Y type can shunt the oil flow to reduce the impulsive force of oil, and then can reduce the impact force of oil to the valve, and the second closing plate on the transverse transmission spare offsets with reposition of redundant personnel arm and lug that blocks water when moving leftwards, and then can reach the purpose sealed to relief pressure valve oil inlet, certainly can reach the purpose of decompression through the distance between second closing plate and the reposition of redundant personnel arm of removing, easy operation, structural strength is big, consequently, life also can improve with it.
Preferably, the vertical transmission piece is rotationally connected with the transverse transmission piece through a transmission gear, wherein when the vertical transmission piece moves up and down, the vertical transmission piece is used for pushing the transverse transmission piece to move horizontally through the transmission gear, a side surface of the vertical transmission piece is fixedly provided with a vertical transmission tooth, the vertical transmission tooth is in meshed connection with the transmission gear, and the upper side surface of the transverse transmission piece is fixedly provided with a transverse transmission tooth which is in meshed connection with the transmission gear;
the vertical transmission piece with the perpendicular and crisscross setting of horizontal transmission piece, just drive gear rotates the setting vertical transmission piece with the perpendicular foot of horizontal transmission piece, horizontal transmission piece is kept away from a side of vertical transmission piece is connected with the second closing plate, the second closing plate sets up the outside, the lateral surface of second closing plate is fixed to be provided with vertical sealing pad, the second closing plate with the reposition of redundant personnel arm is on same horizontal axis.
Preferably, the upper end of vertical transmission spare is connected with vertical transmission pole, vertical transmission pole run through the decompression storehouse and outstanding in the decompression storehouse, the upper end of vertical transmission pole with the bottom side of valve body brake block offsets, the inside in decompression storehouse is fixed to be provided with the surge bin, the inside in surge bin is provided with reset spring, vertical transmission pole slides and sets up reset spring's inside, be provided with the spring spacing on the vertical transmission pole, reset spring sets up between the spring spacing.
Preferably, the bottom of valve body brake block is provided with first closing plate, the bottom of first closing plate with the week side of valve body brake block is all fixed and is provided with horizontal sealing pad, first closing plate is used for sealing the relief pressure valve oil-out, and horizontal sealing pad can be with the relief pressure valve oil-out decompress and seal, and vertical sealing pad can decompress and seal the export of relief pressure valve oil inlet, promotes the leakproofness of whole device.
The upper part of the valve body brake block is provided with a limit ring rotating bin, one end of the transmission shaft is connected with a supporting limit ring, the supporting limit ring is rotatably arranged in the limit ring rotating bin, the transmission shaft is provided with a brake spring, and the brake spring is arranged between the pressure reducing valve body and the valve body brake block;
through above technical scheme, when valve body brake shoe upwards promotes, vertical transfer line is kept away from to first closing plate, and vertical transfer line returns to original form under brake spring's effect, simple structure, and when brake spring drove vertical transfer line upward movement, horizontal driving medium contracts, consequently can enlarge the distance between second closing plate and the relief pressure valve oil inlet, reaches the purpose of pressure boost.
Preferably, a sensor groove is formed in the bottom of the valve body brake block, a pressure sensor is fixedly arranged in the sensor groove, and the pressure sensor is connected with a pressure gauge through a wire;
through above technical scheme, when oil extrudees the inside of relief pressure valve oil inlet and relief pressure valve oil-out, pressure sensor detects pressure and demonstrates through the manometer, simple structure, and the intuitiveness is strong, or rotates the drive wheel through the demonstration on the manometer, adjusts to adapt to different pressure value, promotes the convenience of use.
Preferably, the upper end of relief pressure valve body is connected with the braking platform, the braking storehouse has been seted up to the inside of braking platform, the inside of braking storehouse is fixedly provided with square board, the last fixed screw thread tooth that is provided with of transmission shaft, the screw thread tooth with square board passes through the screw thread and closes the connection, the drive wheel is fixed to be set up the upper end of transmission shaft, set up the drive wheel handle groove of symmetric distribution on the drive wheel, the manometer is fixed to be set up the middle part of drive wheel.
An exhaust bin is formed between the flow dividing piece and the oil inlet of the pressure reducing valve, an air passing hole is formed in the sealing arm, an exhaust port is formed in the exhaust bin, the air passing hole is communicated with the exhaust port, an exhaust valve is arranged on the exhaust port, and accordingly the exhaust valve is beneficial to exhausting redundant gas in the pressure reducing valve body and prolonging the service life of the valve body.
A method of using a pressure relief valve for petroleum transmission, comprising the steps of:
step one: checking an indication of water pressure by a pressure gauge on the drive wheel;
step two: when the pressure is high, the driving wheel rotates anticlockwise, the driving wheel drives the valve body brake block to push downwards during rotation, and when the valve body brake block moves downwards, the bottom of the valve body brake block seals the oil outlet of the pressure reducing valve;
step three: when the first sealing plate on the valve body brake block moves downwards, the first sealing plate downwards extrudes the vertical transmission rod, and the vertical transmission rod drives the horizontal motion of the transverse transmission piece when moving downwards, so that the oil inlet of the pressure reducing valve can be sealed;
step four: the distance between the first sealing plate and the oil outlet of the pressure reducing valve is changed, and the distance between the second sealing plate and the oil inlet of the pressure reducing valve is changed, so that the purpose of pressure reduction is achieved.
The invention has at least the following beneficial effects:
1. the driving wheel is rotated to enable the valve body brake block to decompress the oil outlet of the pressure reducing valve, the auxiliary pressure reducing structure simultaneously decompresses the oil inlet of the pressure reducing valve, the pressure reducing valve is decompressed under the dual action, the structure is simple, the manufacturing cost is low, the first sealing plate on the valve body brake block and the transverse transmission piece on the auxiliary pressure reducing structure can be simultaneously controlled through the driving wheel, therefore, the operation is simple, the convenience is high, and the structural strength and the service life of the device are greatly improved.
2. The Y-shaped flow dividing piece can divide the oil flow so as to reduce the impact force of the oil to the valve, and further reduce the impact force of the oil to the valve, when the second sealing plate on the transverse transmission piece moves leftwards, the second sealing plate is propped against the flow dividing arm and the water blocking protruding block, and further the purpose of sealing the oil inlet of the pressure reducing valve can be achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a block diagram of an auxiliary decompression structure according to the present invention;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is a block diagram of a drive shaft of the present invention;
FIG. 5 is a cross-sectional view of a valve body stop of the present invention;
FIG. 6 is an enlarged view of FIG. 1 at A;
fig. 7 is a top view of the drive wheel of the present invention.
In the figure, 1-relief valve body, 101-relief valve oil inlet, 102-relief valve oil outlet, 103-relief bin, 104-exhaust bin, 105-brake table, 106-brake bin, 107-exhaust port, 108-water blocking lug, 109-buffer bin, 2-valve body brake block, 201-first sealing plate, 202-transverse gasket, 203-limit ring rotating bin, 204-sensor groove, 4-auxiliary relief structure, 5-shunt piece, 501-shunt arm, 502-sealing arm, 503-through-air hole, 6-vertical transmission piece, 601-vertical transmission rod, 602-vertical transmission tooth, 603-spring limit ring, 7-transverse transmission piece, 701-second sealing plate, 702-transverse transmission tooth, 8-driving wheel, 801-driving wheel handle groove, 9-transmission shaft, 901-thread tooth, 902-support limit ring, 10-square plate, 11-transmission gear, 12-pressure gauge, 13-pressure sensor, 14-brake spring, 15-vertical gasket, 16-return spring.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.
As shown in fig. 1-7, the pressure reducing valve for petroleum transmission provided by the embodiment comprises a pressure reducing valve body 1, wherein a pressure reducing valve oil inlet 101 and a pressure reducing valve oil outlet 102 which are symmetrically distributed are formed in the bottom of the pressure reducing valve body 1, the pressure reducing valve oil outlet 102 is communicated with the pressure reducing valve oil outlet 102, a flow dividing piece 5 is arranged in the pressure reducing valve oil inlet 101, a valve body brake block 2 which moves vertically is arranged in the pressure reducing valve oil outlet 102, and the valve body brake block 2 is connected with a driving wheel 8 through a transmission shaft 9;
the inside of the relief valve oil outlet 102 is provided with a relief bin 103, the relief bin 103 is arranged under the valve body brake block 2, the inside of the relief bin 103 is provided with an auxiliary relief structure 4, the auxiliary relief structure 4 comprises a vertical transmission part 6 and a transverse transmission part 7, the vertical transmission part 6 is connected with a vertical transmission rod 601, and the vertical transmission rod 601 is propped against the lower side surface of the valve body brake block 2;
the rotation drive wheel 8 can make valve body brake block 2 decompress relief valve oil-out 102, supplementary relief structure 4 decompress relief valve oil inlet 101 simultaneously, decompress relief valve body 1 under dual effect, simple structure, the cost of manufacture is low, can control the horizontal driving medium 7 on first closing plate 201 and the supplementary relief structure 4 on the valve body brake block 2 simultaneously through drive wheel 8, therefore easy operation, the convenience is higher, the structural strength and the life of device promote with it too greatly.
The split piece 5 is connected with a split arm 501 and a sealing arm 502, the split piece 5 is of a Y-shaped structure, the sealing arm 502 is propped against one side surface of the valve body brake block 2, a water blocking lug 108 is arranged in the pressure reducing valve oil inlet 101 under the split arm 501, and the split arm 501 and the water blocking lug 108 are on the same vertical axis;
the Y-shaped flow dividing piece 5 can divide the oil flow so as to reduce the impact force of the oil and further reduce the impact force of the oil on the valve, and when the second sealing plate 701 on the transverse transmission piece 7 moves leftwards, the second sealing plate 701 is propped against the flow dividing arm 501 and the water blocking convex block 108, so that the aim of sealing the oil inlet 101 of the pressure reducing valve can be achieved, the aim of reducing the pressure can be achieved by moving the distance between the second sealing plate 701 and the flow dividing arm 501, the operation is simple, the structural strength is high, and the service life of the valve is prolonged accordingly.
The vertical transmission piece 6 is rotationally connected with the transverse transmission piece 7 through a transmission gear 11, wherein when the vertical transmission piece 6 moves up and down, the vertical transmission piece 6 is used for pushing the transverse transmission piece 7 to move horizontally through the transmission gear 11, a side surface of the vertical transmission piece 6 is fixedly provided with a vertical transmission tooth 602, the vertical transmission tooth 602 is in meshed connection with the transmission gear 11, the upper side surface of the transverse transmission piece 7 is fixedly provided with a transverse transmission tooth 702, the transverse transmission tooth 702 is in meshed connection with the transmission gear 11, the vertical transmission piece 6 and the transverse transmission piece 7 are mutually perpendicular and are arranged in a staggered mode, the transmission gear 11 is rotationally arranged at the vertical feet of the vertical transmission piece 6 and the transverse transmission piece 7, one side surface of the transverse transmission piece 7 far away from the vertical transmission piece 6 is connected with a second sealing plate 701, the second sealing plate 701 is arranged outside the 03, the outer side surface of the second sealing plate 701 is fixedly provided with a vertical sealing gasket 15, and the second sealing plate 701 and the splitter arm 501 are on the same horizontal axis;
in this embodiment, as shown in fig. 2, the upper end of the vertical transmission member 6 is connected with a vertical transmission rod 601, the vertical transmission rod 601 penetrates through the decompression chamber 103 and protrudes out of the decompression chamber 103, the upper end of the vertical transmission rod 601 abuts against the bottom side surface of the valve body brake block 2, a buffer chamber 109 is fixedly arranged in the decompression chamber 103, a return spring 16 is arranged in the buffer chamber 109, the vertical transmission rod 601 is slidably arranged in the return spring 16, a spring limit ring 603 is arranged on the vertical transmission rod 601, and the return spring 16 is arranged between the spring limit rings 603.
The bottom of the valve body brake block 2 is provided with a first sealing plate 201, the bottom of the first sealing plate 201 and the periphery of the valve body brake block 2 are fixedly provided with a transverse sealing gasket 202, and the first sealing plate 201 is used for sealing the oil outlet 102 of the pressure reducing valve;
the horizontal sealing gasket 202 can decompress and seal the oil outlet 102 of the pressure reducing valve, and the vertical sealing gasket 15 can decompress and seal the outlet of the oil inlet 101 of the pressure reducing valve, so that the tightness of the whole device is improved.
The upper part of the valve body brake block 2 is provided with a limit ring rotating bin 203, one end of a transmission shaft 9 is connected with a supporting limit ring 902, the supporting limit ring 902 is rotatably arranged in the limit ring rotating bin 203, the transmission shaft 9 is provided with a brake spring 14, and the brake spring 14 is arranged between the pressure reducing valve body 1 and the valve body brake block 2;
when the valve body brake block 2 is lifted upwards, the first sealing plate 201 is far away from the vertical transmission rod 601, the vertical transmission rod 601 returns to the original state under the action of the brake spring 14, the structure is simple, and when the brake spring 14 drives the vertical transmission rod 601 to move upwards, the transverse transmission piece 7 contracts, so that the distance between the second sealing plate 701 and the oil inlet 101 of the pressure reducing valve can be enlarged, and the purpose of pressurization is achieved.
The bottom of the valve body brake block 2 is provided with a sensor groove 204, a pressure sensor 13 is fixedly arranged in the sensor groove 204, and the pressure sensor 13 is connected with a pressure gauge 12 through a lead;
when the oil extrudes the interiors of the pressure reducing valve oil inlet 101 and the pressure reducing valve oil outlet 102, the pressure sensor 13 detects the pressure and displays the pressure through the pressure gauge 12, the structure is simple, the intuitiveness is strong, or the driving wheel 8 is rotated through the indication on the pressure gauge 12 to adjust, so as to adapt to different pressure values, and the convenience of use is improved.
In this embodiment, as shown in fig. 1, the upper end of the pressure reducing valve body 1 is connected with a brake table 105, a brake chamber 106 is provided in the brake table 105, a square plate 10 is fixedly provided in the brake chamber 106, a screw thread tooth 901 is fixedly provided on the transmission shaft 9, the screw thread tooth 901 is screwed with the square plate 10, a driving wheel 8 is fixedly provided at the upper end of the transmission shaft 9, symmetrically distributed driving wheel handle grooves 801 are provided on the driving wheel 8, and a pressure gauge 12 is fixedly provided in the middle of the driving wheel 8.
An exhaust bin 104 is formed between the flow dividing piece 5 and the pressure reducing valve oil inlet 101, an air passing hole 503 is formed in the sealing arm 502, an exhaust port 107 is formed in the exhaust bin 104, the air passing hole 503 is communicated with the exhaust port 107, an exhaust valve is arranged on the exhaust port 107, and the exhaust valve is beneficial to exhausting redundant gas in the pressure reducing valve body 1 and prolonging the service life of the valve body.
As shown in fig. 1 to 7, the method for using the pressure reducing valve for petroleum transmission provided in this embodiment includes the following steps:
step one: the indication of the water pressure is checked by a pressure gauge 12 on the driving wheel 8;
step two: when the pressure is high, the driving wheel 8 is rotated anticlockwise, the driving wheel 8 drives the valve body brake block 2 to push downwards during rotation, and when the valve body brake block 2 moves downwards, the bottom of the valve body brake block 2 seals the oil outlet 102 of the pressure reducing valve;
step three: when the first sealing plate 201 on the valve body brake block 2 moves downwards, the first sealing plate 201 presses the vertical transmission rod 601 downwards, and the vertical transmission rod 601 drives the horizontal motion of the transverse transmission piece 7 when moving downwards, so that the oil inlet 101 of the pressure reducing valve can be sealed;
step four: the distance between the first sealing plate 201 and the oil outlet 102 of the pressure reducing valve is changed, and the distance between the second sealing plate 701 and the oil inlet 101 of the pressure reducing valve is changed, so that the purpose of pressure reduction is achieved.
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude that an additional identical element is present in a commodity or system comprising the element.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (8)
1. The utility model provides a relief pressure valve for petroleum transmission, includes relief pressure valve body (1), its characterized in that, relief pressure valve oil inlet (101) and relief pressure valve oil-out (102) of symmetric distribution are seted up to the bottom of relief pressure valve body (1), relief pressure valve oil inlet (101) with relief pressure valve oil-out (102) are linked together, the inside of relief pressure valve oil inlet (101) is provided with diverging piece (5), the inside of relief pressure valve oil-out (102) is provided with valve body brake shoe (2) of vertical motion, valve body brake shoe (2) are connected with drive wheel (8) through transmission shaft (9);
the inside of relief pressure valve oil-out (102) is provided with decompression storehouse (103), decompression storehouse (103) set up under valve body brake block (2), the inside of decompression storehouse (103) is provided with supplementary decompression structure (4), supplementary decompression structure (4) are including vertical transmission spare (6) and horizontal transmission spare (7), be connected with vertical transfer line (601) on vertical transmission spare (6), vertical transfer line (601) with the downside of valve body brake block (2) offsets, be connected with reposition of redundant personnel arm (501) and seal arm (502) on reposition of redundant personnel spare (5), reposition of redundant personnel spare (5) are Y type structure, seal arm (502) with one side of valve body brake block (2) offsets;
a water blocking lug (108) is arranged in the pressure reducing valve oil inlet (101) under the diversion arm (501), the diversion arm (501) and the water blocking lug (108) are on the same vertical axis, and the vertical transmission piece (6) is rotationally connected with the transverse transmission piece (7) through a transmission gear (11), wherein when the vertical transmission piece (6) moves up and down, the vertical transmission piece (6) is used for pushing the transverse transmission piece (7) to horizontally move through the transmission gear (11);
a vertical transmission tooth (602) is fixedly arranged on one side surface of the vertical transmission piece (6), the vertical transmission tooth (602) is in meshed connection with the transmission gear (11), a transverse transmission tooth (702) is fixedly arranged on the upper side surface of the transverse transmission piece (7), and the transverse transmission tooth (702) is in meshed connection with the transmission gear (11);
vertical driving medium (6) with horizontal driving medium (7) mutually perpendicular just stagger the setting, just driving gear (11) rotate and set up vertical driving medium (6) with the perpendicular foot of horizontal driving medium (7), horizontal driving medium (7) are kept away from a side of vertical driving medium (6) is connected with second closing plate (701), second closing plate (701) set up the outside in decompression storehouse (103), the lateral surface of second closing plate (701) is fixed to be provided with vertical sealing pad (15), second closing plate (701) with reposition of redundant personnel arm (501) are on same horizontal axis.
2. A pressure reducing valve for petroleum transportation according to claim 1, wherein: the upper end of the vertical transmission piece (6) is connected with a vertical transmission rod (601), the vertical transmission rod (601) penetrates through the decompression bin (103) and protrudes out of the decompression bin (103), and the upper end of the vertical transmission rod (601) is propped against the bottom side surface of the valve body brake block (2);
the inside of decompression storehouse (103) is fixed and is provided with surge bin (109), the inside of surge bin (109) is provided with reset spring (16), vertical transfer line (601) slip sets up the inside of reset spring (16), be provided with spring retainer plate (603) on vertical transfer line (601), reset spring (16) set up between spring retainer plate (603).
3. A pressure reducing valve for petroleum transportation according to claim 2, wherein: the bottom of the valve body brake block (2) is provided with a first sealing plate (201), the bottom of the first sealing plate (201) and the periphery of the valve body brake block (2) are fixedly provided with a transverse sealing gasket (202), and the first sealing plate (201) is used for sealing the oil outlet (102) of the pressure reducing valve;
the upper portion of valve body brake block (2) has seted up spacing collar rotation storehouse (203), the one end of transmission shaft (9) is connected with supports spacing collar (902), support spacing collar (902) rotation sets up the inside of spacing collar rotation storehouse (203), be provided with brake spring (14) on transmission shaft (9), brake spring (14) set up relief pressure valve body (1) with between valve body brake block (2).
4. A pressure reducing valve for petroleum transmission according to claim 3, wherein: the sensor groove (204) is formed in the bottom of the valve body brake block (2), the pressure sensor (13) is fixedly arranged in the sensor groove (204), and the pressure sensor (13) is connected with the pressure gauge (12) through a wire.
5. A pressure relief valve for petroleum transmission according to claim 4 and wherein: the automatic pressure reducing valve is characterized in that the upper end of the pressure reducing valve body (1) is connected with a brake table (105), a brake bin (106) is arranged in the brake table (105), a square plate (10) is fixedly arranged in the brake bin (106), a threaded tooth (901) is fixedly arranged on the transmission shaft (9), and the threaded tooth (901) is connected with the square plate (10) through threaded screwing.
6. A pressure relief valve for petroleum transmission according to claim 5 and wherein: the driving wheel (8) is fixedly arranged at the upper end of the transmission shaft (9), symmetrically distributed driving wheel handle grooves (801) are formed in the driving wheel (8), and the pressure gauge (12) is fixedly arranged in the middle of the driving wheel (8).
7. A pressure relief valve for petroleum transmission according to claim 6 and wherein: an exhaust bin (104) is formed between the flow dividing piece (5) and the pressure reducing valve oil inlet (101), an air passing hole (503) is formed in the sealing arm (502), an exhaust port (107) is formed in the exhaust bin (104), the air passing hole (503) is communicated with the exhaust port (107), and an exhaust valve is arranged on the exhaust port (107).
8. A method of using a pressure relief valve for petroleum transportation according to claim 7, characterized by: the method comprises the following steps:
step one: checking an indication of the water pressure by means of a pressure gauge (12) on the drive wheel (8);
step two: when the pressure is high, the driving wheel (8) is rotated anticlockwise, the driving wheel (8) drives the valve body brake block (2) to push downwards during rotation, and when the valve body brake block (2) moves downwards, the bottom of the valve body brake block (2) seals the oil outlet (102) of the pressure reducing valve;
step three: when a first sealing plate (201) on a valve body brake block (2) moves downwards, the first sealing plate (201) downwards extrudes a vertical transmission rod (601), and the vertical transmission rod (601) drives a horizontal transmission piece (7) to move horizontally when moving downwards, so that an oil inlet (101) of a pressure reducing valve can be sealed;
step four: the distance between the first sealing plate (201) and the oil outlet (102) of the pressure reducing valve and the distance between the second sealing plate (701) and the oil inlet (101) of the pressure reducing valve are changed to achieve the aim of pressure reduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111593086.XA CN114215947B (en) | 2021-12-23 | 2021-12-23 | Pressure reducing valve for petroleum transmission and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111593086.XA CN114215947B (en) | 2021-12-23 | 2021-12-23 | Pressure reducing valve for petroleum transmission and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114215947A CN114215947A (en) | 2022-03-22 |
| CN114215947B true CN114215947B (en) | 2024-01-16 |
Family
ID=80705456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111593086.XA Active CN114215947B (en) | 2021-12-23 | 2021-12-23 | Pressure reducing valve for petroleum transmission and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114215947B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202149228U (en) * | 2011-11-04 | 2012-02-22 | 杭州荣盛阀门制造有限公司 | Adjusting valve |
| CN203963156U (en) * | 2014-08-04 | 2014-11-26 | 长春工程学院 | Depressure valve |
| CN210566492U (en) * | 2019-10-13 | 2020-05-19 | 福建福思特阀门集团有限公司 | Portable energy-saving pressure-reducing valve |
| CN215059810U (en) * | 2021-06-15 | 2021-12-07 | 江苏匡集工业科技有限公司 | Ultra-high pressure BA-level clean pressure reducing valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567950A (en) * | 2015-10-09 | 2017-04-19 | 北京爱社时代科技发展有限公司 | Intelligent electronic control reducing valve for air compression |
-
2021
- 2021-12-23 CN CN202111593086.XA patent/CN114215947B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202149228U (en) * | 2011-11-04 | 2012-02-22 | 杭州荣盛阀门制造有限公司 | Adjusting valve |
| CN203963156U (en) * | 2014-08-04 | 2014-11-26 | 长春工程学院 | Depressure valve |
| CN210566492U (en) * | 2019-10-13 | 2020-05-19 | 福建福思特阀门集团有限公司 | Portable energy-saving pressure-reducing valve |
| CN215059810U (en) * | 2021-06-15 | 2021-12-07 | 江苏匡集工业科技有限公司 | Ultra-high pressure BA-level clean pressure reducing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114215947A (en) | 2022-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201554628U (en) | Mechanical diaphragm metering pump | |
| CN108331794B (en) | Hydraulic pressure reposition of redundant personnel system of arbitrary distribution pressure proportion | |
| CN114215947B (en) | Pressure reducing valve for petroleum transmission and use method thereof | |
| CN201723805U (en) | High and low-pressure non-shearing flow regulating valve | |
| CN104534164A (en) | Efficient control flow speed valve | |
| CN208651673U (en) | A kind of air flow rate adjustment valve | |
| CN208331361U (en) | A kind of petroleum pipeline explosion relief valve | |
| CN107044461A (en) | A kind of inverse-proportion pressure reducing valve of hydraulic coupling control | |
| CN204453113U (en) | A kind of valve automatic labeling equipment | |
| CN202418865U (en) | Double-tee reversing valve interlocking fine-regulating device | |
| CN102141169A (en) | Heavy-caliber adjustable valve conical-type valve front film pressure dynamic balanced valve | |
| CN203322342U (en) | Pneumatic single-seat regulating valve | |
| CN109944969A (en) | A kind of flow control valve of the high-performance without water hammer | |
| CN203146949U (en) | Butterfly type safety valve | |
| CN209294488U (en) | A kind of novel pneumatic diaphragm type safety valve | |
| CN201944359U (en) | Large-diameter adjustable valve cone film pressure before the valve dynamic balance valve | |
| CN203322327U (en) | Sealed type hand wheel driving plate valve | |
| CN206655855U (en) | A kind of inverse-proportion pressure reducing valve of hydraulic coupling control | |
| CN205136717U (en) | Pressure reducing valve | |
| CN206468894U (en) | The valve rod of lower resistance | |
| CN106545676A (en) | A kind of automatic gear-box pressure electromagnetic valve for adjusting | |
| CN207746680U (en) | A kind of fast leveling and height-regulating device | |
| CN219673411U (en) | Boiler safety valve | |
| CN204267413U (en) | A kind of fine-tuning pressure controlled valve | |
| CN2777310Y (en) | Over-pressure cutting-off type pressure-regulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |