CN115637947B - Pressure relief type petroleum well head - Google Patents
Pressure relief type petroleum well head Download PDFInfo
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- CN115637947B CN115637947B CN202211661826.3A CN202211661826A CN115637947B CN 115637947 B CN115637947 B CN 115637947B CN 202211661826 A CN202211661826 A CN 202211661826A CN 115637947 B CN115637947 B CN 115637947B
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Abstract
The invention relates to the technical field of oil wells, in particular to a pressure relief type oil well head which comprises a well body, wherein a top plate is arranged at the upper end of the well body. When the pressure in the pressure relief type petroleum well cannot be effectively relieved through the two exhaust pipes, the petroleum and the pressure in the pressure relief type petroleum well can be quickly conveyed into the pressure relief storage oil tank through the opening of the pressure relief oil pipe, so that the pressure in the pressure relief type petroleum well can be better controlled, and the practicability and the environmental friendliness of the pressure relief type petroleum well are improved.
Description
Technical Field
The invention relates to the technical field of petroleum wells, in particular to a pressure relief type petroleum well head.
Background
The oil well is inserted into a deep layer and an ultra-deep layer of three thousand five hundred meters to four thousand five hundred meters underground, oil hidden in the deep layer and the ultra-deep layer is extracted, the oil is mainly used as fuel oil and gasoline, and is also a raw material of a plurality of chemical industry products, such as solution, chemical fertilizer, insecticide, plastic and the like, the oil well has higher pressure, the pressure in the oil well can not be released, so that blowout accidents are easily caused, and the pressure in the oil well can be released by the pressure relief type oil well, so that the blowout accidents caused by the pressure in the oil well can not be released.
Although the pressure in the petroleum well that current pressure release formula petroleum well can be fine releases, can not be effectual when the petroleum well need not the release pressure seal the petroleum well to lead to the pressure in the petroleum well can not better control, reduced the practicality of pressure release formula petroleum well then, so need improve.
Disclosure of Invention
The invention aims to overcome the defects that the pressure in the petroleum well cannot be well controlled by the existing pressure relief type petroleum well, and the petroleum well cannot be sealed when the pressure in the petroleum well does not need to be released, so that the defect of insufficient practicability of the pressure relief type petroleum well is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pressure relief type petroleum wellhead comprises a well body, wherein a top plate is arranged at the upper end of the well body, and a power mechanism is arranged in the middle of the upper end of the top plate;
one side of the well body runs through and is provided with defeated oil pipe, install oil delivery valve on the defeated oil pipe, the opposite side of the well body runs through and is provided with pressure release oil pipe, pressure release oil pipe is located defeated oil pipe's top, the both sides upper end of the well body all runs through and is provided with the blast pipe, and the opposite side of two blast pipes all is provided with first screen cloth, and below between two blast pipes is provided with the second screen cloth jointly, second screen cloth fixed mounting is internal at the well, defeated oil pipe and pressure release oil pipe are located the lower extreme both sides of second screen cloth respectively, be equipped with positive and negative tooth threaded rod on the power unit, positive and negative tooth threaded rod is located the well body, the upper end of positive and negative tooth threaded rod rotates and cup joints the middle part at the roof, the lower extreme of positive and negative tooth threaded rod rotates and cup joints the middle part at the second screen cloth, the equal screw sleeve in both sides has cup jointed, and two screw sleeve's both sides are all rotated and are connected with the catch bar, and rotate jointly with the one end that is connected with two catch bars that are located one side of two catch bars that one side of two corresponding sealing plugs and are connected with the loading board, and sealing plug loading board is provided with the sealing plug, and two inserts one side in two corresponding exhaust pipes respectively.
Preferably, in order to provide power for the rotation of the positive and negative tooth threaded rod, the power mechanism comprises a fixing frame fixedly connected to the middle part of the upper end of the top plate, a servo motor is fixedly installed in the fixing frame, and the tail end of an output shaft of the servo motor is fixedly connected to the upper end of the positive and negative tooth threaded rod.
Preferably, in order to make two threaded sleeves keep the vertical lift when removing, all be fixed with two sleeves on two threaded sleeves, two sleeves and two catch bars on the same threaded sleeve are crisscross to be set up, lie in the interior joint slip of two sleeves with one side and have cup jointed the montant, the equal fixed connection in lower extreme at the roof in upper end of two montants, the equal fixed connection in upper end at the second screen cloth of lower extreme of two montants.
Preferably, in order to make two loading boards keep horizontal migration when removing, make two sealing plugs can be accurate enter into two blast pipes, four horizontal poles of upper portion fixedly connected with in the well body, the four corners of two loading boards slide respectively and cup joint on four horizontal poles, and the opposite side four corners of two loading boards all is fixed with the spring, and eight springs cup joint respectively on four horizontal poles, and the one end of eight springs is fixed connection respectively on the relative inner wall of the well body.
Preferably, clean the second screen cloth in order to drive two cleaning brushes when positive and negative tooth threaded rod pivoted, prevent that the second screen cloth from blockking up, the lower extreme both sides of positive and negative tooth threaded rod all are fixed with the cleaning board, and two upper ends of cleaning the board all are provided with the cleaning brush, and two cleaning brushes contradict respectively in the lower extreme both sides of second screen cloth.
Preferably, in order to filter the gas of release in the blast pipe through filtering the frame, prevent that impurity petroleum impurity from entering into the surrounding environment in the gas, can improve the feature of environmental protection of pressure release formula petroleum well when release pressure, all be provided with in two blast pipes and filter the frame, all be provided with the filter screen in two filter the frame, two upper ends of filtering the frame run through the upper end of two blast pipes respectively and equal fixedly connected with connecting plate, two connecting plates can dismantle the upper end of connecting at the blast pipe respectively, and the upper end middle part of two connecting plates all is fixed with the handle.
Preferably, in order to clear up the filter rack from dismantling in the blast pipe, the four corners of two connecting plates all runs through and is provided with the screw rod, and eight screw rods fixed connection respectively have the nut in the upper end of two blast pipes, and equal screw thread cover has on the eight screw rods, and eight nuts are contradicted respectively in the upper end four corners of two connecting plates.
Preferably, in order to prevent that the filter rack from impacting and deforming due to the fact that the pressure in the exhaust pipes is too large, two sides in the two exhaust pipes are connected with the blocking wheels in a rotating mode, the two blocking wheels in the same exhaust pipe are in one group, the two groups of blocking wheels are respectively abutted to the two filter racks, the lower ends in the two exhaust pipes are respectively fixed with stop blocks, and the two stop blocks are respectively abutted to the lower ends of the two filter racks.
Preferably, in order to seal the joint between the top plate and the pressure relief type oil well, a sealing ring is commonly arranged between the well body and the top plate, and two ends of the sealing ring respectively abut against the upper end of the well body and the lower end of the top plate.
Preferably, in order to monitor the pressure in the pressure release formula petroleum well to when pressure in the pressure release formula petroleum well can't be through the effectual release of two blast pipes, can control the solenoid valve and open pressure release oil pipe, carry the pressure release storage oil tank of being connected with it with stronger pressure and oil through pressure release oil pipe in, the manometer is installed to upper end one side of roof, alarm control device is installed to the upper end opposite side of roof, install solenoid valve on the pressure release oil pipe.
The invention has the beneficial effects that:
1. through the use of the power mechanism, the two bearing plates and the two sealing plugs, the two sealing plugs can be respectively inserted into the two exhaust pipes when the pressure relief type petroleum well does not need to release pressure, the exhaust pipes can be sealed, and the pressure relief type petroleum well can be sealed through sealing the exhaust pipes, so that the pressure in the pressure relief type petroleum well can be better controlled, and the practicability of the pressure relief type petroleum well is improved;
2. through the use of the second screen and the two filter frames, the second screen can perform primary filtration on petroleum impurities mixed in gas in the pressure relief type petroleum well pressure release process, and then perform secondary filtration through the two filter frames, so that the petroleum impurities in the pressure relief type petroleum well are prevented from being discharged into the surrounding environment when the pressure relief type petroleum well releases pressure, the surrounding environment can be effectively protected, and the environmental protection performance of the pressure relief type petroleum well is effectively improved;
3. through the use of the connecting plate, the handle blocking wheel and the stop block, the filter frame can be taken out from the exhaust pipe for cleaning when a filter screen in the filter frame is blocked, so that the pressure releasing effect of the pressure releasing type petroleum well is better, meanwhile, the other side of the filter frame can be blocked through the blocking wheel and the stop block, the filter frame is prevented from being impacted and deformed due to the larger pressure released by the pressure releasing type petroleum well, and the stability of the filter frame can be effectively improved;
4. through the use of the cleaning plates and the cleaning brushes, the two cleaning plates and the cleaning brushes can be driven to clean the second screen when the two sealing plugs are controlled to move, so that the effect of releasing pressure of the pressure release type petroleum well is prevented from being influenced by the blockage of the second screen, the environment friendliness of the pressure release type petroleum well is improved, and the pressure release effect and efficiency of the pressure release type petroleum well are prevented from being influenced;
5. through the use of a pressure gauge, an alarm control device, an electromagnetic valve and a pressure relief oil pipe, the pressure relief oil pipe is connected with a pressure relief storage oil tank, when the pressure in the pressure relief type oil well cannot be effectively relieved through two exhaust pipes, the electromagnetic valve can be controlled by the alarm control device to open the pressure relief oil pipe, and the oil and the pressure in the pressure relief type oil well can be rapidly conveyed into the pressure relief storage oil tank through the opening of the pressure relief oil pipe, so that the pressure in the pressure relief type oil well can be better controlled, and the safety of the pressure relief type oil well is improved;
in conclusion, when the pressure relief type petroleum well does not need to release pressure, the two sealing plugs are respectively inserted into the two exhaust pipes to seal the exhaust pipes, so that the purpose of sealing the pressure relief type petroleum well is achieved.
Drawings
FIG. 1 is a connection structure diagram of a pressure relief type petroleum wellhead according to the present invention;
FIG. 2 is a schematic view of the internal structure of an exhaust pipe of a pressure relief type petroleum wellhead according to the present invention;
FIG. 3 is an enlarged view of a relief type petroleum wellhead at location A according to the present invention;
FIG. 4 is an enlarged view at B of a pressure relief petroleum wellhead according to the present invention;
FIG. 5 is an enlarged view of a pressure relief type oil well head at position C according to the present invention;
fig. 6 is a schematic structural diagram of a bearing plate of a pressure relief type petroleum wellhead according to the present invention.
In the figure: 1 well body, 2 oil delivery pipe, 3 oil delivery valve, 4 exhaust pipe, 5 first screen, 6 filter stand, 7 connecting plate, 8 handles, 9 screw rods, 10 nuts, 11 catch wheels, 12 stop blocks, 13 top plates, 14 sealing rings, 15 fixing frames, 16 servo motors, 17 positive and negative threaded rods, 18 threaded sleeves, 19 push rods, 20 bearing plates, 21 sealing plugs, 22 cross rods, 23 springs, 24 sleeves, 25 vertical rods, 26 second screen, 27 cleaning plates, 28 cleaning brushes, 29 pressure relief oil pipes, 30 electromagnetic valves, 31 alarm control device and 32 pressure gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a pressure relief type petroleum wellhead comprises a well body 1, wherein a petroleum pipeline 2 is arranged on one side of the well body 1 in a penetrating manner, a petroleum valve 3 is arranged on the petroleum pipeline 2, the well body 1 is inserted into a deep layer and an ultra-deep layer from three thousand, five hundred meters to four thousand, five hundred meters underground, and is a device for extracting petroleum hidden in the deep layer and the ultra-deep layer, one end of the petroleum pipeline 2 is connected with a petroleum storage device, the opening and closing of the petroleum pipeline 2 can be controlled through the petroleum valve 3, the petroleum in the well body 1 is conveyed into the petroleum storage device through the petroleum pipeline 2, exhaust pipes 4 are arranged at the upper ends of two sides of the well body 1 in a penetrating manner, first screens 5 are arranged at the other sides of the two exhaust pipes 4, and a second screen 26 is arranged below the two exhaust pipes 4, the second screen 26 is fixedly installed in the well body 1, a circle of the second screen 26 is hermetically connected with a circle of side wall in the well body 1, gas can only flow through screen holes in the second screen 26, the pressure in the well body 1 can be released through opening of the two exhaust pipes 4, blowout accidents caused by the fact that the pressure in the well body 1 cannot be released are prevented, upward-conveyed pressure gas in the well body 1 can be filtered once through the second screen 26, petroleum impurities in the gas are filtered, the gas released by the exhaust pipes 4 can be filtered secondarily through the second screen 26, the petroleum impurities in the gas are prevented from being discharged from the exhaust pipes 4, the surrounding environment can be protected, and the environmental protection performance when the pressure in the well body 1 is released is improved.
Referring to fig. 1 and 2, a top plate 13 is arranged at the upper end of a well body 1, a sealing ring 14 is arranged between the well body 1 and the top plate 13, two ends of the sealing ring 14 respectively abut against the upper end of the well body 1 and the lower end of the top plate 13, the top plate 13 is used for closing the upper end of the well body 1, the joint of the top plate 13 and the well body 1 can be sealed through the sealing ring 14, the sealing performance of the well body 1 is improved, filter frames 6 are arranged in two exhaust pipes 4, filter screens are arranged in the two filter frames 6, the filter screens can be arranged in the exhaust pipes 4 through the filter frames 6, the oil impurities in the gas conveyed in the exhaust pipes 4 can be filtered through the filter screens, the amount of the oil impurities adhered to a first screen 5 is reduced, and the triple filtration of the oil impurities in the gas can be realized in the pressure releasing process of the well body 1, the environmental protection performance of the well body 1 during pressure release is improved, the upper ends of two filter frames 6 respectively penetrate through the upper ends of two exhaust pipes 4 and are fixedly connected with connecting plates 7, the two connecting plates 7 are respectively detachably connected to the upper ends of the exhaust pipes 4, the middle parts of the upper ends of the two connecting plates 7 are respectively fixed with a handle 8, the connecting plates 7 can be driven by the handles 8, the filter frames 6 can be driven by the connecting plates 7 to move, when the filter screens in the filter frames 6 need to be cleaned, the connecting plates 7 are detached from the exhaust pipes 4, the filter frames 6 are taken out from the exhaust pipes 4 through the handles 8 and the connecting plates 7 for cleaning, the four corners of the two connecting plates 7 are respectively penetrated with screw rods 9, the eight screw rods 9 are respectively and fixedly connected to the upper ends of the two exhaust pipes 4, nuts 10 are sleeved on the eight screw rods 9 in a threaded manner, and the eight nuts 10 respectively abut against the four corners of the upper ends of the two connecting plates 7, the connecting plate 7 can be fixed on the exhaust pipe 4 through the nut 10 and the screw 9, and the filter frame 6 and the filter screen can be installed in the exhaust pipe 4 through the connecting plate 7 fixed on the exhaust pipe 4.
Referring to fig. 1, 3 and 5, two sides of two exhaust pipes 4 are rotatably connected with baffle wheels 11, two baffle wheels 11 in the same exhaust pipe 4 are in a group, two groups of baffle wheels 11 are respectively abutted against two filter frames 6, the lower ends of the two exhaust pipes 4 are respectively fixed with a stop block 12, the two stop blocks 12 are respectively abutted against the lower ends of the two filter frames 6, the middle parts of the other sides of the two filter frames 6 can be supported by the four baffle wheels 11, the lower ends of the other sides of the two filter frames 6 can be supported by the two stop blocks 12, the filter frames 6 can be prevented from being impacted and deformed due to overlarge pressure in the exhaust pipes 4, the middle part of the upper end of a top plate 13 is provided with a positive and negative threaded rod 17, the positive and negative threaded rod 17 is positioned in a well body 1, the upper end of the positive and negative threaded rod 17 is rotatably sleeved in the middle part of the top plate 13, the lower end of the positive and negative threaded rod 17 is rotatably sleeved in the middle part of a second screen 26, the positive and negative threaded rod 17 can be driven to rotate by the operation of the power mechanism, the top plate 13 can bear the upper end of the positive and negative threaded rod 17, so that the upper end of the positive and negative threaded rod 17 can keep stable rotation when rotating, the lower end of the positive and negative threaded rod 17 can be borne by the second screen 26, so that the positive and negative threaded rod 17 keeps stable rotation when rotating, in the actual use process, the two ends of the positive and negative threaded rod 17 can be smooth ends as required, after the positive and negative threaded rod 17 rotates to enable the two sealing plugs 21 to move relatively and separate from the well body 1, the two threaded sleeves 18 can continue to move for a certain distance along the direction of the positive and negative threaded rod 17 and separate from each other, the two threaded sleeves 18 are separated from the threads on the positive and negative threaded rod 17, and the two ends of the positive and negative threaded rod 17 are sleeved with pressure spring elements and circular ring elements, at any end of the screw rods 17 with the positive and negative teeth, the pressure spring part is located at the outermost end, the circular ring part is located between the pressure spring part and the threaded sleeve 18, one end of the pressure spring part is fixed at one end of the screw rods 17 with the positive and negative teeth, the threaded sleeve 18 and the threads on the screw rods 17 with the positive and negative teeth can be separated and then can extrude the circular ring part to enable the pressure spring part to contract, the pressure spring part can recover to extend and can push the threaded sleeve 18 to move to be screwed with the threads on the screw rods 17 with the positive and negative teeth, the screw rods 17 with the positive and negative teeth can be continuously rotated to enable the cleaning brush 28 to clean the second screen 26 according to needs, the threaded sleeve 18 and the threads on the screw rods 17 with the positive and negative teeth can be quickly and fully screwed, the sealing plug 21 can be conveniently moved, and the exhaust pipe 4 can be blocked.
Referring to fig. 1, 3, 5, the power mechanism includes a fixed frame 15 fixedly connected to the middle portion of the upper end of the top plate 13, a servo motor 16 is fixedly installed in the fixed frame 15, the end of an output shaft of the servo motor 16 is fixedly connected to the upper end of a positive and negative threaded rod 17, the servo motor 16 can be supported by the fixed frame 15, the servo motor 16 can be kept stable during operation, the servo motor 16 is connected to a matching component, stable operation is facilitated, a program can be set, automatic operation is achieved, the servo motor 16 can drive the positive and negative threaded rod 17 to rotate, threaded sleeves 18 are sleeved on the upper and lower sides of the positive and negative threaded rod 17, the positive and negative threaded rod 17 is a component with opposite threads on the upper and lower sides respectively, the threaded sleeves 18 are provided with two sleeves 24, two sleeves 24 and two push rods 19 on the same threaded sleeve 18 are arranged in a staggered manner, two sleeves 24 on the same side slide together and are sleeved with a vertical rod 25, the upper ends of the two vertical rods 25 are fixedly connected to the lower end of the top plate 13, the two sleeves 25 are connected to the lower end of the two sleeves 18, and the two sleeves 18 can be prevented from rotating when the two vertical rod 18 and the two sleeves 18 can be prevented from rotating along with two vertical lifting screens 26 when the two lifting screens 18 and the two lifting screens 18 can be prevented from rotating.
Referring to fig. 1, 3, 4, and 6, two sides of two threaded sleeves 18 are rotatably connected with two pushing rods 19, one end of each of the two pushing rods 19 located on the same side is rotatably connected with a bearing plate 20, the other side of each of the two bearing plates 20 is provided with a sealing plug 21, the two sealing plugs 21 are respectively inserted into one side of the corresponding two exhaust pipes 4, the two threaded sleeves 18 drive the opposite ends of the four pushing rods 19 to move, and the four pushing rods 19 drive the two bearing plates 20 to move, so as to control the two bearing plates 20 to move in opposite directions and opposite directions through adjusting the distance between the two threaded sleeves 18, the two bearing plates 20 move in opposite directions to drive the two threaded sleeves 18 to move in opposite directions to drive the two pushing rods 21 to respectively insert into the two exhaust pipes 4 to seal the two exhaust pipes, when pressure in a well body 1 does not need to release pressure, the servo motor 16 controls the servo motor 16 to operate through an alarm control device 31, the servo motor 16 drives the positive and negative teeth 17 to rotate, the positive and negative teeth 17 to drive the two threaded rods 17 to push the two threaded sleeves 18 to move in opposite directions to respectively move, the two sealing plugs 1 to improve the sealing performance of the two exhaust pipes 4, and thus the exhaust pipes 1.
Referring to fig. 1, 3, 4, 5, and 6, four cross bars 22 are fixedly connected to an upper portion of the well body 1, four corners of two bearing plates 20 are respectively slidably sleeved on the four cross bars 22, the two bearing plates 20 can keep moving horizontally when moving through the four cross bars 22, so that the two bearing plates 20 drive two sealing plugs 21 to accurately enter the two exhaust pipes 4 to seal the two exhaust pipes when being pushed, springs 23 are fixed to four corners of the other sides of the two bearing plates 20, eight springs 23 are respectively sleeved on the four cross bars 22, one ends of the eight springs 23 are respectively fixedly connected to opposite inner walls of the well body 1, the springs 23 have elastic force, when the distance between the two threaded sleeves 18 increases, the four push rods 19 can drive the two bearing plates 20 to move toward each other, and the two bearing plates 20 can be simultaneously pushed to move toward each other by the elastic force of the eight springs 23, keep steadily when making two loading boards 20 opposite movement, two loading boards 20 appear hindering when avoiding two loading boards 20 of four catch bars 19 pulling to move in opposite directions, make two loading boards 20 more unobstructed when moving in opposite directions, the lower extreme both sides of positive and negative tooth threaded rod 17 all are fixed with cleans board 27, two upper ends of cleaning board 27 all are provided with cleaning brush 28, two cleaning brush 28 contradict respectively in the lower extreme both sides of second screen cloth 26, cleaning brush 28 is the higher sieve of intensity, rotation through positive and negative tooth threaded rod 17 can drive two and clean board 27 functions, two clean board 27 can drive two cleaning brush 28 and clear up second screen cloth 26, prevent that second screen cloth 26 from blockking up and influencing effect and the efficiency of well body 1 release pressure.
Referring to fig. 1, a pressure relief oil pipe 29 is arranged on the other side of the well body 1 in a penetrating manner, the pressure relief oil pipe 29 is arranged above the oil pipe 2, the oil pipe 2 and the pressure relief oil pipe 29 are respectively arranged on two sides of the lower end of the second screen 26, one end of the pressure relief oil pipe 29 is connected with the pressure relief storage oil tank, the pressure relief oil pipe 29 can be opened when the pressure in the well body 1 can not be released through the two exhaust pipes 4 through the pressure relief oil pipe 29, so that the stronger pressure and oil in the well body 1 can be rapidly conveyed into the pressure relief storage oil tank for releasing, the safety of the well body 1 can be effectively improved, the pressure in the well body 1 can be better controlled, the practicability of the well body 1 is improved, the oil pipe 2 and the pressure relief oil pipe 29 are respectively arranged on two sides of the lower end of the second screen 26, so that the oil pipe 2 and the pressure relief oil pipe 29 can not touch the second screen 26 in the process of conveying the oil in the well body 1, the corrosion of petroleum adhered to the second screen 26 is avoided, a pressure gauge 32 is installed on one side of the upper end of the top plate 13, an alarm control device 31 is installed on the other side of the upper end of the top plate 13, an electromagnetic valve 30 is installed on the pressure relief oil pipe 29 and is used for controlling the opening and closing of the pressure relief oil pipe 29, the pressure gauge 32, the alarm control device 31 and the electromagnetic valve 30 are all connected with matched parts, the stable operation is facilitated, a program can be set, the automatic operation is realized, the pressure gauge 32 is used for monitoring the pressure in the well body 1, pressure data monitored by the pressure gauge 32 can be transmitted into the alarm control device 31, when the pressure in the well body 1 is monitored to be not required to be released, the servo motor 16 is controlled to operate through the alarm control device 31, the two exhaust pipes 4 are sealed by the two sealing plugs 21, when the pressure in the well body 1 is monitored to be larger and the pressure in the well body can not be effectively relieved through the two exhaust pipes 4, can open pressure release oil pipe 29 through alarm control device 31 control solenoid valve 30, can be with the quick pressure release storage oil tank of carrying of the interior oil of well body 1 and pressure through opening of pressure release oil pipe 29 in, pressure in the control pressure release oil well that can be better improves the security and the practicality of pressure release oil well.
In the present invention, when used: pressure in the well body 1 is monitored through the manometer 32, when pressure in the well body 1 need not the release pressure, through the operation of alarm control device 31 control servo motor 16, servo motor 16 drives positive and negative tooth threaded rod 17 and rotates, positive and negative tooth threaded rod 17 promotes two threaded sleeve 18 and moves in opposite directions, two threaded sleeve 18 drive four catch bar 19's relative one end and move in opposite directions, four catch bar 19's the other end promotes two loading boards 20 and moves in opposite directions respectively, two loading boards 20 drive two sealing plugs 21 and move in opposite directions, two sealing plugs 21 are sealed two blast pipes 4 in inserting two blast pipes 4 respectively, thereby can seal in the well body 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a pressure relief formula oil well head, includes well body (1), its characterized in that: a top plate (13) is arranged at the upper end of the well body (1), and a power mechanism is arranged in the middle of the upper end of the top plate (13); one side of the well body (1) is provided with an oil delivery pipe (2) in a penetrating manner, the oil delivery pipe (2) is provided with an oil delivery valve (3), the other side of the well body (1) is provided with a pressure relief oil pipe (29) in a penetrating manner, the pressure relief oil pipe (29) is positioned above the oil delivery pipe (2), the upper ends of the two sides of the well body (1) are provided with exhaust pipes (4) in a penetrating manner, the other side of the two exhaust pipes (4) is provided with a first screen (5), the lower parts between the two exhaust pipes (4) are provided with a second screen (26) together, the second screen (26) is fixedly installed in the well body (1), the oil delivery pipe (2) and the pressure relief oil pipe (29) are respectively positioned at the two sides of the lower end of the second screen (26), a positive and negative threaded rod (17) is arranged on the power mechanism, the positive and negative threaded rod (17) is positioned in the well body (1), the upper end of the positive and negative threaded rod (17) is rotatably sleeved in the middle of the top plate (13), the positive and negative threaded rod (17) is rotatably sleeved on the middle of the second screen (26), the middle of the bearing plate (18) is rotatably connected with two push rods (19), one end of the two push rods (18) which are connected with two push rods (19) respectively connected with the two push rods (18), the other sides of the two bearing plates (20) are provided with sealing plugs (21), and the two sealing plugs (21) are respectively inserted into one sides of the two corresponding exhaust pipes (4).
2. The pressure relief type petroleum wellhead according to claim 1, characterized in that: the power mechanism comprises a fixing frame (15) fixedly connected to the middle of the upper end of the top plate (13), a servo motor (16) is fixedly mounted in the fixing frame (15), and the tail end of an output shaft of the servo motor (16) is fixedly connected to the upper end of the positive and negative thread threaded rod (17).
3. The pressure relief type petroleum wellhead according to claim 1, characterized in that: all be fixed with two sleeve pipes (24) on two threaded sleeve pipes (18), two sleeve pipes (24) and two catch bars (19) on same threaded sleeve pipe (18) crisscross setting have been slided jointly and have been cup jointed montant (25) in two sleeve pipes (24) that lie in same side, and the equal fixed connection in the lower extreme of roof (13) in the upper end of two montants (25), the equal fixed connection in the upper end of second screen cloth (26) of the lower extreme of two montants (25).
4. The pressure relief type petroleum wellhead according to claim 1, characterized in that: the upper portion fixedly connected with four horizontal poles (22) in the well body (1), the four corners of two loading boards (20) slide respectively and cup joint on four horizontal poles (22), the opposite side four corners of two loading boards (20) all are fixed with spring (23), eight springs (23) cup joint respectively on four horizontal poles (22), the one end difference fixed connection of eight springs (23) is on the relative inner wall of well body (1).
5. The pressure relief type petroleum wellhead according to claim 1, characterized in that: both sides of the lower end of the positive and negative tooth threaded rod (17) are respectively fixed with a cleaning plate (27), the upper ends of the two cleaning plates (27) are respectively provided with a cleaning brush (28), and the two cleaning brushes (28) respectively abut against both sides of the lower end of the second screen (26).
6. The pressure relief type petroleum wellhead according to claim 1, characterized in that: all be provided with in two blast pipes (4) and cross filter frame (6), all be provided with the filter screen in two filter frame (6), the upper end of two filter frame (6) runs through the upper end of two blast pipes (4) respectively and equal fixedly connected with connecting plate (7), and connection can be dismantled respectively in the upper end of blast pipe (4) in two connecting plate (7), and the upper end middle part of two connecting plate (7) all is fixed with handle (8).
7. The pressure relief type petroleum wellhead according to claim 6, characterized in that: the four corners of two connecting plates (7) are all run through and are provided with screw rod (9), eight screw rods (9) respectively fixed connection in the upper end of two blast pipes (4), and equal screw thread cover has been connected nut (10) on eight screw rods (9), and eight nut (10) contradict respectively in the upper end four corners of two connecting plates (7).
8. The pressure relief type petroleum wellhead according to claim 6, characterized in that: both sides in two blast pipes (4) are all rotated and are connected with fender wheel (11), and two fender wheels (11) that are located same blast pipe (4) are a set of, and two sets of fender wheels (11) are inconsistent with two filtration framves (6) respectively, and the lower extreme in two blast pipes (4) all is fixed with dog (12), and two dog (12) are inconsistent with the lower extreme of two filtration framves (6) respectively.
9. The pressure relief type petroleum wellhead according to claim 1, characterized in that: a sealing ring (14) is arranged between the well body (1) and the top plate (13) together, and two ends of the sealing ring (14) are respectively abutted to the upper end of the well body (1) and the lower end of the top plate (13).
10. The pressure relief type petroleum wellhead according to claim 1, characterized in that: manometer (32) are installed to upper end one side of roof (13), alarm control device (31) are installed to the upper end opposite side of roof (13), install solenoid valve (30) on pressure release oil pipe (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211661826.3A CN115637947B (en) | 2022-12-23 | 2022-12-23 | Pressure relief type petroleum well head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211661826.3A CN115637947B (en) | 2022-12-23 | 2022-12-23 | Pressure relief type petroleum well head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115637947A CN115637947A (en) | 2023-01-24 |
| CN115637947B true CN115637947B (en) | 2023-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211661826.3A Active CN115637947B (en) | 2022-12-23 | 2022-12-23 | Pressure relief type petroleum well head |
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| CN (1) | CN115637947B (en) |
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