CN109915056B - Oil wellhead assembly of antiseep - Google Patents
Oil wellhead assembly of antiseep Download PDFInfo
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- CN109915056B CN109915056B CN201910172050.0A CN201910172050A CN109915056B CN 109915056 B CN109915056 B CN 109915056B CN 201910172050 A CN201910172050 A CN 201910172050A CN 109915056 B CN109915056 B CN 109915056B
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- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000009434 installation Methods 0.000 claims abstract description 41
- 239000003208 petroleum Substances 0.000 claims abstract description 23
- 230000000670 limiting effect Effects 0.000 claims description 80
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 241000209128 Bambusa Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a petroleum wellhead device, in particular to an anti-seepage petroleum wellhead device, which comprises a supporting base, a connecting mechanism, a closing mechanism and a lifting top frame, the two connecting mechanisms are respectively arranged at the two sides of the supporting base, the positions of the two connecting mechanisms on the supporting base can be adjusted, the two connecting mechanisms are both rotatably connected with a closing mechanism, the lifting top frame is arranged at the upper end of the supporting base, the height of the lifting top frame can be adjusted, the position of the corresponding connecting mechanism on the supporting base is adjusted by rotating the threaded handle I, the installation length of the device is adjusted by adjusting the positions of the two connecting mechanisms on the supporting base according to different use requirements, the horizontal height of the lifting top frame on the supporting base is adjusted by rotating the threaded handle II, and the height of the lifting top frame is adjusted according to different use requirements.
Description
Technical Field
The invention relates to a petroleum wellhead device, in particular to an anti-seepage petroleum wellhead device.
Background
For example, a leakage-proof petroleum wellhead device with publication number CN207892569U relates to the field of oil extraction equipment, and comprises a wellhead device body, wherein the top of the wellhead device body is provided with a leakage-proof device, the inside of the leakage-proof device is provided with a polished rod, the bottom of the leakage-proof device is provided with a base, the inner wall of the base is fixedly connected with a first spring, one end of the first spring is fixedly connected with a limiting block, the inner side of the limiting block is provided with a rubber sealing ring, the top of the rubber sealing ring is provided with a first packing, and the top of the base is provided; the utility model discloses a shortcoming can not adjust the height of device according to the user demand of difference, can not adjust the installation length of device according to the user demand of difference.
Disclosure of Invention
The invention aims to provide an anti-leakage petroleum wellhead device, which can adjust the height of the device according to different use requirements and adjust the length of the device according to different use requirements.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a petroleum wellhead assembly of antiseep, is including supporting base, coupling mechanism, closing mechanism and lift roof-rack, coupling mechanism is provided with two, and two coupling mechanism install respectively in the both sides of supporting the base, and two coupling mechanism all can be adjusted in the position on supporting the base, all rotate on two coupling mechanism and be connected with closing mechanism, and the lift roof-rack is installed in the upper end of supporting the base, and the height of lift roof-rack can be adjusted.
As a further optimization of the technical scheme, the anti-leakage petroleum wellhead device comprises a support base, a bottom connecting cylinder, a rubber gasket, a support low cylinder, a connecting bolt, a lifting and lowering cylinder, a lifting sliding groove I, an installation and adjustment cylinder, an installation and adjustment groove I, a support plate I, a horizontal waist hole, a support plate II and a vertical waist hole, wherein the rubber gasket is arranged between the bottom connecting cylinder and the support low cylinder, the bottom connecting cylinder and the support low cylinder are fixedly connected through the connecting bolt, the lifting and lowering cylinder is fixedly connected onto the support low cylinder, the lifting sliding groove I is arranged on the lifting low cylinder, the installation and adjustment cylinders are fixedly connected onto two sides of the lifting low cylinder, the installation and adjustment grooves I are respectively arranged in the two installation and adjustment cylinders, the support plate I is fixedly connected onto the lifting low cylinder, the horizontal waist holes are respectively arranged at two ends of the support plate I, the support plate II is fixedly connected onto the support, and a vertical waist hole is formed in the support plate II, the lifting low cylinder is communicated with the support low cylinder, and the two installation adjusting cylinders are communicated with the lifting low cylinder.
As a further optimization of the technical scheme, the anti-leakage petroleum wellhead device comprises a connecting disc, a limiting rod I, a communicating outer cylinder, a communicating inner cylinder, an installation and adjustment groove II, a threaded handle I, a rotating baffle I, a limiting baffle I, a rotating boss, a fixed rotating shaft, a limiting baffle II and a limiting screw, wherein the limiting rod I is fixedly connected to the connecting disc, the communicating outer cylinder and the communicating inner cylinder are fixedly connected to the eccentric position on one side of the connecting disc, the installation and adjustment groove II is formed between the communicating outer cylinder and the communicating inner cylinder, the lower ends of the communicating outer cylinder and the communicating inner cylinder are respectively provided with the limiting boss I and the limiting boss II, the limiting boss I is rotatably connected to the threaded handle I, the rotating baffle I is fixedly connected to the threaded handle I, one side of the rotating baffle I is in contact with the limiting boss I, the limiting baffle I is, the opposite side fixedly connected with of connection pad rotates the boss, rotate boss and intercommunication inner tube intercommunication, the central point of connection pad opposite side puts fixedly connected with fixed rotating shaft, it is connected with limit baffle II to rotate in the fixed rotating shaft, there is stop screw through threaded connection in the fixed rotating shaft, stop screw pushes up on limit baffle II, coupling mechanism is provided with two, two intercommunication inner tubes are sliding connection respectively in two installation adjustment grooves I, two limit baffle I respectively fixed connection are on two installation adjustment section of thick bamboos, two threaded handle I respectively through threaded connection on two installation adjustment section of thick bamboos, two gag lever post I respectively sliding connection are in two horizontal waist holes.
As a further optimization of the technical scheme, the anti-leakage petroleum wellhead device comprises two closing mechanisms, wherein each closing mechanism comprises a closing rotating disc, a rotating installation groove and a locking screw, the rotating installation groove is formed in each closing rotating disc, the locking screws are connected to the closing rotating discs through threads, the two closing mechanisms are respectively and rotatably connected to two fixed rotating shafts, the two rotating bosses are respectively and rotatably connected to the two rotating installation grooves, and the inner ends of the locking screws are abutted to a connecting disc.
As a further optimization of the technical scheme, the anti-leakage petroleum wellhead device further comprises an adjusting outlet, three adjusting outlets are arranged on the closing rotating disc, the diameters of the three adjusting outlets are different, and the three adjusting outlets can be communicated with the communicating inner cylinder.
As a further optimization of the technical scheme, the anti-leakage petroleum wellhead device comprises a lifting top cylinder, a lifting top plate, connecting cylinders, a lifting outer cylinder, a lifting inner cylinder, a lifting sliding groove II, a threaded handle II, a rotating baffle II, a limiting baffle III and a limiting rod II, wherein the lifting top plate is fixedly connected onto the lifting top cylinder, the connecting cylinders are fixedly connected onto two sides of the lifting top cylinder, the two connecting cylinders are communicated with the lifting top cylinder, the lifting outer cylinder and the lifting inner cylinder are fixedly connected onto the lower end of the lifting top cylinder, the lifting sliding groove II is formed between the lifting outer cylinder and the lifting inner cylinder, the limiting boss III and the limiting boss IV are respectively and fixedly connected onto the lower end of the lifting outer cylinder and the lower end of the lifting inner cylinder, the limiting boss III is rotatably connected onto the threaded handle II, the rotating baffle II is fixedly connected onto the threaded handle II, and the rotating baffle II is in contact with, sliding connection has limit baffle III in the lift inner tube, and II fixed connection of gag lever post are on the lift top section of thick bamboo, and lift inner tube sliding connection is in lift sliding tray I, and III fixed connection of limit baffle is in the upper end that rises a reduction section of thick bamboo, and threaded handle II passes through threaded connection on rising a reduction section of thick bamboo, and II sliding connection of gag lever post are downthehole at vertical waist.
As a further optimization of the technical scheme, the anti-leakage petroleum wellhead device further comprises a mounting plate and mounting waist holes, wherein the mounting plate is fixedly connected to the outer sides of the two connecting cylinders, and the two mounting waist holes are formed in the two mounting plates.
The anti-leakage petroleum wellhead device has the beneficial effects that:
according to the anti-leakage petroleum wellhead device, the positions of the corresponding connecting mechanisms on the supporting base can be adjusted by rotating the threaded handle I, the installation lengths of the device can be adjusted by adjusting the positions of the two connecting mechanisms on the supporting base according to different use requirements, the horizontal height of the lifting top frame on the supporting base is adjusted by rotating the threaded handle II, and the height of the device is adjusted according to different use requirements.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall construction of a leak-proof petroleum wellhead assembly of the present invention;
FIG. 2 is a schematic cross-sectional view of a leak-proof petroleum wellhead assembly of the present invention;
FIG. 3 is an enlarged schematic view of a portion of the leak-proof petroleum wellhead assembly of the present invention;
FIG. 4 is a schematic view of the support base structure of the present invention;
FIG. 5 is a schematic cross-sectional view of the support base of the present invention;
FIG. 6 is a first schematic view of the connection mechanism of the present invention;
FIG. 7 is a second schematic structural view of the connecting mechanism of the present invention;
FIG. 8 is a schematic cross-sectional view of the attachment mechanism of the present invention;
FIG. 9 is an enlarged partial schematic view of the attachment mechanism of the present invention;
FIG. 10 is a first schematic view of the closure mechanism of the present invention;
FIG. 11 is a second schematic structural view of the closure mechanism of the present invention;
FIG. 12 is a schematic view of the construction of the lifting head frame of the present invention;
FIG. 13 is a schematic cross-sectional view of the lifting head frame of the present invention;
fig. 14 is a partially enlarged structural view of the elevating top frame of the present invention.
In the figure: a support base 1; a bottom connecting cylinder 1-1; 1-2 parts of a rubber gasket; 1-3 of a support low cylinder; 1-4 of connecting bolts; 1-5 of a lifting cylinder; lifting sliding grooves I1-6; installing an adjusting cylinder 1-7; installing adjusting grooves I1-8; 1-9 of a support plate; 1-10 of horizontal waist holes; support plates II 1-11; 1-12 vertical waist holes; a connecting mechanism 2; a connecting disc 2-1; the limiting rod I2-2; the outer cylinder 2-3 is communicated; 2-4 of the inner cylinder is communicated; mounting an adjusting groove II 2-5; 2-6 parts of a threaded handle; rotating the baffle I2-7; 2-8 parts of a limiting baffle; rotating the boss 2-9; 2-10 parts of a fixed rotating shaft; a limiting baffle II 2-11; 2-12 parts of a limit screw; a closing mechanism 3; closing the rotating disc 3-1; rotating the mounting groove 3-2; adjusting an outlet 3-3; 3-4 parts of locking screws; a lifting top frame 4; 4-1 of a lifting top cylinder; lifting the top plate 4-2; 4-3 of a connecting cylinder; mounting plates 4-4; 4-5 of a waist mounting hole; 4-6 of a lifting outer cylinder; 4-7 of a lifting inner cylinder; 4-8 of a lifting sliding groove; 4-9 parts of a threaded handle; rotating the baffle II 4-10; 4-11 parts of a limiting baffle plate III; and 4-12 limiting rods.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Before describing the embodiments, to avoid repetitive language, it is explained that the "fixed connection" described below may be: the fixing device is fixed through modes such as bolt connection, welding and rivet connection, and technicians in the field can select different fixing and connecting modes according to different application scenes, and the fixing device is mainly used for fixing two parts.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 14, and an anti-leakage petroleum wellhead device includes a support base 1, two connection mechanisms 2, two closing mechanisms 3, and a lifting top frame 4, where the two connection mechanisms 2 are respectively installed on two sides of the support base 1, the positions of the two connection mechanisms 2 on the support base 1 can be adjusted, the two connection mechanisms 2 are both rotatably connected with the closing mechanisms 3, the lifting top frame 4 is installed at the upper end of the support base 1, and the height of the lifting top frame 4 can be adjusted; the positions of the corresponding connecting mechanisms 2 on the supporting base 1 can be adjusted by rotating the threaded handles I2-6, the installation lengths of the devices at the positions of the two connecting mechanisms 2 on the supporting base 1 are adjusted according to different use requirements, the horizontal height of the lifting top frame 4 on the supporting base 1 is adjusted by rotating the threaded handles II 4-9, and the height of the devices is adjusted according to different use requirements.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1-14, and the embodiment will be further described, wherein the support base 1 includes a bottom connecting cylinder 1-1, a rubber gasket 1-2, a support lower cylinder 1-3, a connecting bolt 1-4, a lifting lower cylinder 1-5, a lifting sliding groove i 1-6, a mounting adjusting cylinder 1-7, a mounting adjusting groove i 1-8, a support plate i 1-9, a horizontal waist hole 1-10, a support plate ii 1-11 and a vertical waist hole 1-12, the rubber gasket 1-2 is placed between the bottom connecting cylinder 1-1 and the support lower cylinder 1-3, the bottom connecting cylinder 1-1 and the support lower cylinder 1-3 are fixedly connected through the connecting bolt 1-4, the lifting lower cylinder 1-3 is fixedly connected with the lifting lower cylinder 1-5, lifting sliding grooves I1-6 are formed in the lifting and lowering cylinders 1-5, mounting and adjusting cylinders 1-7 are fixedly connected to the two sides of the lifting and lowering cylinders 1-5, mounting and adjusting grooves I1-8 are formed in the two mounting and adjusting cylinders 1-7, supporting plates I1-9 are fixedly connected to the lifting and lowering cylinders 1-5, horizontal waist holes 1-10 are formed in the two ends of each supporting plate I1-9, supporting plates II 1-11 are fixedly connected to the supporting plates I1-9, vertical waist holes 1-12 are formed in the supporting plates II 1-11, the lifting and lowering cylinders 1-5 are communicated with the supporting lower cylinders 1-3, and the two mounting and adjusting cylinders 1-7 are communicated with the lifting and lowering cylinders 1-5; when the underground device is used, the underground device is connected through the bottom connecting cylinder 1-1, the rubber gasket 1-2 plays a certain sealing role in connection of the bottom connecting cylinder 1-1 and the supporting low cylinder 1-3, and a boss arranged at the connection position of the bottom connecting cylinder 1-1 and the supporting low cylinder 1-3 as shown in figure 5 can play a certain sealing role and also can be used as an installation shoulder for assisting installation.
The third concrete implementation mode:
the embodiment is described below by combining with figures 1-14, and the embodiment is further described by the embodiment, wherein the connecting mechanism 2 comprises a connecting disc 2-1, a limiting rod I2-2, a communicating outer cylinder 2-3, a communicating inner cylinder 2-4, a mounting adjusting groove II 2-5, a threaded handle I2-6, a rotating baffle I2-7, a limiting baffle I2-8, a rotating boss 2-9, a fixed rotating shaft 2-10, a limiting baffle II 2-11 and a limiting screw 2-12, the connecting disc 2-1 is fixedly connected with the limiting rod I2-2, the eccentric position on one side of the connecting disc 2-1 is fixedly connected with the communicating outer cylinder 2-3 and the communicating inner cylinder 2-4, the mounting adjusting groove II 2-5 is formed between the communicating outer cylinder 2-3 and the communicating inner cylinder 2-4, the lower ends of the communicating outer barrel 2-3 and the communicating inner barrel 2-4 are respectively provided with a limiting boss I and a limiting boss II, the limiting boss I is rotatably connected on the threaded handle I2-6, the threaded handle I2-6 is fixedly connected with a rotating baffle I2-7, one side of the rotating baffle I2-7 is contacted with the limiting boss I, the communicating inner barrel 2-4 is internally and slidably connected with a limiting baffle I2-8, the other side of the connecting disc 2-1 is fixedly connected with a rotating boss 2-9, the rotating boss 2-9 is communicated with the communicating inner barrel 2-4, the central position of the other side of the connecting disc 2-1 is fixedly connected with a fixed rotating shaft 2-10, the fixed rotating shaft 2-10 is rotatably connected with a limiting baffle II 2-11, and the fixed rotating shaft 2-10 is connected with a limiting screw 2, two limiting screws 2-12 are abutted against the limiting baffle plates II 2-11, the connecting mechanism 2 is provided, the two communicating inner cylinders 2-4 are respectively and slidably connected into the two mounting and adjusting grooves I1-8, the two limiting baffle plates I2-8 are respectively and fixedly connected onto the two mounting and adjusting cylinders 1-7, the two threaded handles I2-6 are respectively and threadably connected onto the two mounting and adjusting cylinders 1-7, and the two limiting rods I2-2 are respectively and slidably connected into the two horizontal waist holes 1-10; when the installation length of the device needs to be adjusted according to different use requirements, the threaded handle I2-6 is rotated, the threaded handle I2-6 rotates by taking the axis of the threaded handle I2-6 as the center, the threaded handle I2-6 moves on the axis of the installation adjusting cylinder 1-7 through threads, the lower end of the communicating outer cylinder 2-3 is provided with a limiting boss I which moves on the axis of the installation adjusting cylinder 1-7 under the pushing of the threaded handle I2-6, the limiting boss I drives the communicating outer cylinder 2-3 to move on the axis of the installation adjusting cylinder 1-7 under the pushing of the threaded handle I2-6, the communicating outer cylinder 2-3 pushes the connecting mechanism 2 to move the installation length of the device on the axis of the installation adjusting cylinder 1-7 under the pushing of the threaded handle I2-6, the rotating baffle I2-7 has a limiting effect to prevent the threaded handle I2-6 from being separated from the communicating outer barrel 2-3, and the limiting baffle I2-8 has a limiting effect to prevent the communicating inner barrel 2-4 from being separated from the mounting adjusting groove I1-8.
The fourth concrete implementation mode:
the third embodiment is further described with reference to fig. 1-14, where the closing mechanism 3 includes two closing rotating discs 3-1, two rotating mounting grooves 3-2 and two locking screws 3-4, the closing rotating disc 3-1 is provided with the rotating mounting groove 3-2, the closing rotating disc 3-1 is connected with the locking screws 3-4 through threads, the two closing mechanisms 3 are provided, the two closing rotating discs 3-1 are respectively rotatably connected to the two fixed rotating shafts 2-10, the two rotating bosses 2-9 are respectively rotatably connected in the two rotating mounting grooves 3-2, and the inner ends of the locking screws 3-4 are abutted to the connecting disc 2-1.
The fifth concrete implementation mode:
the fourth embodiment is further described with reference to fig. 1 to 14, the closing mechanism 3 further includes an adjusting outlet 3-3, three adjusting outlets 3-3 are provided on the closing rotating disc 3-1, the diameters of the three adjusting outlets 3-3 are different, and the three adjusting outlets 3-3 can be communicated with the communicating inner cylinder 2-4; the closed rotating disc 3-1 is rotated to enable the closed rotating disc 3-1 to rotate by taking the self axis as the center, the closed rotating disc 3-1 rotates on the fixed rotating shaft 2-10 by taking the self axis as the center, the limit baffle II 2-11 plays a limiting role to prevent the closed rotating disc 3-1 from separating from the fixed rotating shaft 2-10 when rotating, and ensures that the rotating lug boss 2-9 rotates in the rotating installation groove 3-2, because the connection between the connecting mechanism 2 and the closed mechanism 3 has a certain sealing function because of non-planar direct contact, the closed rotating disc 3-1 is provided with three adjusting outlets 3-3, the diameters of the three adjusting outlets 3-3 are different, and the three adjusting outlets 3-3 can be communicated with the communicating inner cylinder 2-4 to adjust the flow output by the three adjusting outlets 3-3, the communicating inner cylinder 2-4 can also be rotated to be not communicated with any adjusting outlet 3-3, so that the communicating inner cylinder 2-4 is closed, and the locking screw 3-4 is rotated to enable the locking screw 3-4 to position the position of the closed rotating disc 3-1 through thread extrusion.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1-14, and the fifth embodiment is further described in the present embodiment, wherein the lifting top frame 4 comprises a lifting top cylinder 4-1, a lifting top plate 4-2, a connecting cylinder 4-3, a lifting outer cylinder 4-6, a lifting inner cylinder 4-7, a lifting sliding groove II 4-8, a threaded handle II 4-9, a rotating baffle II 4-10, a limit baffle III 4-11 and a limit rod II 4-12, the lifting top cylinder 4-1 is fixedly connected with the lifting top plate 4-2, two sides of the lifting top cylinder 4-1 are fixedly connected with the connecting cylinder 4-3, two connecting cylinders 4-3 are communicated with the lifting top cylinder 4-1, the lower end of the lifting top cylinder 4-1 is fixedly connected with the lifting outer cylinder 4-6 and the lifting inner cylinder 4-7, a lifting sliding groove II 4-8 is formed between the lifting outer cylinder 4-6 and the lifting inner cylinder 4-7, the lower ends of the lifting outer cylinder 4-6 and the lifting inner cylinder 4-7 are respectively and fixedly connected with a limit boss III and a limit boss IV, the limit boss III is rotationally connected on a screw handle II 4-9, a rotating baffle II 4-10 is fixedly connected on the screw handle II 4-9, the rotating baffle II 4-10 is contacted with the limit boss III, a limit baffle III 4-11 is slidably connected in the lifting inner cylinder 4-7, a limit rod II 4-12 is fixedly connected on a lifting top cylinder 4-1, the lifting inner cylinder 4-7 is slidably connected in the lifting sliding groove I1-6, the limit baffle III 4-11 is fixedly connected at the upper end of a lifting and lowering cylinder 1-5, and the screw handle II 4-9 is connected on the lifting and lowering cylinder 1-5 through screw threads, the limiting rods II 4-12 are connected in the vertical waist holes 1-12 in a sliding manner; when the height of the device needs to be adjusted according to different use requirements, the threaded handle II 4-9 is rotated, the threaded handle II 4-9 rotates by taking the axis of the threaded handle II 4-9 as the center, the threaded handle II 4-9 moves in the axis direction of the lifting low cylinder 1-5 through threads, the threaded handle II 4-9 pushes the limiting boss III to move in the axis direction of the lifting low cylinder 1-5, the limiting boss III drives the lifting outer cylinder 4-6 to move in the axis direction of the lifting low cylinder 1-5, the lifting outer cylinder 4-6 pushes the lifting top frame 4 to move in the axis direction of the lifting low cylinder 1-5, the horizontal height of the lifting top frame 4 is adjusted, and the rotary baffle II 4-10 and the limiting baffle III 4-11 both play a limiting role.
The seventh embodiment:
the embodiment is described below with reference to fig. 1 to 14, and the sixth embodiment is further described in the present embodiment, the lifting top frame 4 further includes mounting plates 4-4 and mounting waist holes 4-5, the mounting plates 4-4 are fixedly connected to the outer sides of the two connecting cylinders 4-3, and the two mounting plates 4-4 are provided with two mounting waist holes 4-5.
The invention relates to an anti-leakage petroleum wellhead device, which has the working principle that:
when in use, the bottom connecting cylinder 1-1 is connected with a downhole device, the rubber gasket 1-2 plays a certain sealing role in the connection of the bottom connecting cylinder 1-1 and the supporting low cylinder 1-3, and a lug boss arranged at the connection position of the bottom connecting cylinder 1-1 and the supporting low cylinder 1-3 as shown in figure 5 can play a certain sealing role and can also be used as an installation shoulder for assisting in installation; when the installation length of the device needs to be adjusted according to different use requirements, the threaded handle I2-6 is rotated, the threaded handle I2-6 rotates by taking the axis of the threaded handle I2-6 as the center, the threaded handle I2-6 moves on the axis of the installation adjusting cylinder 1-7 through threads, the lower end of the communicating outer cylinder 2-3 is provided with a limiting boss I which moves on the axis of the installation adjusting cylinder 1-7 under the pushing of the threaded handle I2-6, the limiting boss I drives the communicating outer cylinder 2-3 to move on the axis of the installation adjusting cylinder 1-7 under the pushing of the threaded handle I2-6, the communicating outer cylinder 2-3 pushes the connecting mechanism 2 to move the installation length of the device on the axis of the installation adjusting cylinder 1-7 under the pushing of the threaded handle I2-6, the rotating baffle I2-7 has a limiting effect to prevent the threaded handle I2-6 from being separated from the communicating outer cylinder 2-3, and the limiting baffle I2-8 has a limiting effect to prevent the communicating inner cylinder 2-4 from being separated from the mounting adjusting groove I1-8; the closed rotating disc 3-1 is rotated to enable the closed rotating disc 3-1 to rotate by taking the self axis as the center, the closed rotating disc 3-1 rotates on the fixed rotating shaft 2-10 by taking the self axis as the center, the limit baffle II 2-11 plays a limiting role to prevent the closed rotating disc 3-1 from separating from the fixed rotating shaft 2-10 when rotating, and ensures that the rotating lug boss 2-9 rotates in the rotating installation groove 3-2, because the connection between the connecting mechanism 2 and the closed mechanism 3 has a certain sealing function because of non-planar direct contact, the closed rotating disc 3-1 is provided with three adjusting outlets 3-3, the diameters of the three adjusting outlets 3-3 are different, and the three adjusting outlets 3-3 can be communicated with the communicating inner cylinder 2-4 to adjust the flow output by the three adjusting outlets 3-3, the communicating inner cylinder 2-4 can also be rotated and is not communicated with any adjusting outlet 3-3, so that the communicating inner cylinder 2-4 is closed, and the locking screw 3-4 is rotated to enable the locking screw 3-4 to position the position of the closed rotating disc 3-1 through thread extrusion; when the height of the device needs to be adjusted according to different use requirements, the threaded handle II 4-9 is rotated, the threaded handle II 4-9 rotates by taking the axis of the threaded handle II 4-9 as the center, the threaded handle II 4-9 moves in the axis direction of the lifting low cylinder 1-5 through threads, the threaded handle II 4-9 pushes the limiting boss III to move in the axis direction of the lifting low cylinder 1-5, the limiting boss III drives the lifting outer cylinder 4-6 to move in the axis direction of the lifting low cylinder 1-5, the lifting outer cylinder 4-6 pushes the lifting top frame 4 to move in the axis direction of the lifting low cylinder 1-5, the horizontal height of the lifting top frame 4 is adjusted, and the rotary baffle II 4-10 and the limiting baffle III 4-11 both play a limiting role.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (3)
1. The utility model provides a petroleum wellhead assembly of antiseep, includes support base (1), coupling mechanism (2), closing mechanism (3) and lift roof-rack (4), its characterized in that: the lifting top frame is characterized in that two connecting mechanisms (2) are arranged, the two connecting mechanisms (2) are respectively arranged on two sides of the supporting base (1), the positions of the two connecting mechanisms (2) on the supporting base (1) can be adjusted, the two connecting mechanisms (2) are rotatably connected with a closing mechanism (3), the lifting top frame (4) is arranged at the upper end of the supporting base (1), and the height of the lifting top frame (4) can be adjusted;
the supporting base (1) comprises a bottom connecting cylinder (1-1), rubber gaskets (1-2), a supporting low cylinder (1-3), connecting bolts (1-4), a lifting low cylinder (1-5), lifting sliding grooves I (1-6), mounting adjusting cylinders (1-7), mounting adjusting grooves I (1-8), supporting plates I (1-9), horizontal waist holes (1-10), supporting plates II (1-11) and vertical waist holes (1-12), the rubber gaskets (1-2) are placed between the bottom connecting cylinder (1-1) and the supporting low cylinder (1-3), the bottom connecting cylinder (1-1) and the supporting low cylinder (1-3) are fixedly connected through the connecting bolts (1-4), the lifting low cylinder (1-3) is fixedly connected with the lifting low cylinder (1-5), a lifting sliding groove I (1-6) is arranged on each lifting and lowering barrel (1-5), mounting and adjusting barrels (1-7) are fixedly connected to the two sides of each lifting and lowering barrel (1-5), mounting and adjusting grooves I (1-8) are arranged in the two mounting and adjusting barrels (1-7), a supporting plate I (1-9) is fixedly connected to each lifting and lowering barrel (1-5), horizontal waist holes (1-10) are formed in the two ends of each supporting plate I (1-9), a supporting plate II (1-11) is fixedly connected to each supporting plate I (1-9), vertical waist holes (1-12) are formed in each supporting plate II (1-11), the lifting and lowering barrels (1-5) are communicated with the supporting and lowering barrels (1-3), and the two mounting and adjusting barrels (1-7) are communicated with the lifting and lowering barrels (1-5);
the connecting mechanism (2) comprises a connecting disc (2-1), a limiting rod I (2-2), a communicating outer cylinder (2-3), a communicating inner cylinder (2-4), an installation adjusting groove II (2-5), a threaded handle I (2-6), a rotating baffle I (2-7), a limiting baffle I (2-8), a rotating boss (2-9), a fixed rotating shaft (2-10), a limiting baffle II (2-11) and a limiting screw (2-12), the limiting rod I (2-2) is fixedly connected to the connecting disc (2-1), the communicating outer cylinder (2-3) and the communicating inner cylinder (2-4) are fixedly connected to the eccentric position of one side of the connecting disc (2-1), the installation adjusting groove II (2-5) is formed between the communicating outer cylinder (2-3) and the communicating inner cylinder (2-4), the lower ends of the communicating outer cylinder (2-3) and the communicating inner cylinder (2-4) are respectively provided with a limiting boss I and a limiting boss II, the limiting boss I is rotatably connected to the threaded handle I (2-6), the threaded handle I (2-6) is fixedly connected with a rotating baffle I (2-7), one side of the rotating baffle I (2-7) is contacted with the limiting boss I, the communicating inner cylinder (2-4) is internally and slidably connected with a limiting baffle I (2-8), the other side of the connecting disc (2-1) is fixedly connected with a rotating boss (2-9), the rotating boss (2-9) is communicated with the communicating inner cylinder (2-4), the central position of the other side of the connecting disc (2-1) is fixedly connected with a fixed rotating shaft (2-10), and the fixed rotating shaft (2-10) is rotatably connected with a limiting baffle II (2-11), the fixed rotating shafts (2-10) are connected with limit screws (2-12) through threads, the limit screws (2-12) are propped against limit baffles II (2-11), two connecting mechanisms (2) are arranged, two communicating inner cylinders (2-4) are respectively and slidably connected into two mounting and adjusting grooves I (1-8), the two limit baffles I (2-8) are respectively and fixedly connected onto two mounting and adjusting cylinders (1-7), two threaded handles I (2-6) are respectively and slidably connected onto the two mounting and adjusting cylinders (1-7), and two limit rods I (2-2) are respectively and slidably connected into two horizontal waist holes (1-10);
the closing mechanism (3) comprises closing rotating discs (3-1), rotating installation grooves (3-2) and locking screws (3-4), the rotating installation grooves (3-2) are formed in the closing rotating discs (3-1), the locking screws (3-4) are connected to the closing rotating discs (3-1) through threads, two closing mechanisms (3) are arranged, the two closing rotating discs (3-1) are respectively and rotatably connected to the two fixed rotating shafts (2-10), the two rotating bosses (2-9) are respectively and rotatably connected to the two rotating installation grooves (3-2), and the inner ends of the locking screws (3-4) are abutted to the connecting discs (2-1);
the closing mechanism (3) further comprises an adjusting outlet (3-3), the closing rotating disc (3-1) is provided with three adjusting outlets (3-3), the diameters of the three adjusting outlets (3-3) are different, and the three adjusting outlets (3-3) can be communicated with the communicating inner cylinder (2-4).
2. A leak-proof petroleum wellhead assembly as claimed in claim 1 in which: the lifting top frame (4) comprises a lifting top cylinder (4-1), a lifting top plate (4-2), connecting cylinders (4-3), a lifting outer cylinder (4-6), a lifting inner cylinder (4-7), a lifting sliding groove II (4-8), a threaded handle II (4-9), a rotating baffle II (4-10), a limiting baffle III (4-11) and a limiting rod II (4-12), the lifting top cylinder (4-1) is fixedly connected with the lifting top plate (4-2), the two sides of the lifting top cylinder (4-1) are fixedly connected with the connecting cylinders (4-3), the two connecting cylinders (4-3) are communicated with the lifting top cylinder (4-1), the lower end of the lifting top cylinder (4-1) is fixedly connected with the lifting outer cylinder (4-6) and the lifting inner cylinder (4-7), a lifting sliding groove II (4-8) is formed between the lifting outer cylinder (4-6) and the lifting inner cylinder (4-7), the lower ends of the lifting outer cylinder (4-6) and the lifting inner cylinder (4-7) are respectively and fixedly connected with a limiting boss III and a limiting boss IV, the limiting boss III is rotatably connected onto a threaded handle II (4-9), a rotating baffle II (4-10) is fixedly connected onto the threaded handle II (4-9), the rotating baffle II (4-10) is contacted with the limiting boss III, a limiting baffle III (4-11) is slidably connected into the lifting inner cylinder (4-7), a limiting rod II (4-12) is fixedly connected onto a lifting top cylinder (4-1), the lifting inner cylinder (4-7) is slidably connected into the lifting sliding groove I (1-6), the limiting baffle III (4-11) is fixedly connected onto the upper end of the lifting inner cylinder (1-5), the threaded handle II (4-9) is connected to the lifting and lowering barrel (1-5) through threads, and the limiting rod II (4-12) is connected in the vertical waist hole (1-12) in a sliding mode.
3. A leak-proof petroleum wellhead assembly as claimed in claim 2 in which: the lifting top frame (4) further comprises mounting plates (4-4) and mounting waist holes (4-5), the mounting plates (4-4) are fixedly connected to the outer sides of the two connecting cylinders (4-3), and the two mounting plates (4-4) are provided with the two mounting waist holes (4-5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910172050.0A CN109915056B (en) | 2019-03-07 | 2019-03-07 | Oil wellhead assembly of antiseep |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172050.0A CN109915056B (en) | 2019-03-07 | 2019-03-07 | Oil wellhead assembly of antiseep |
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| CN109915056A CN109915056A (en) | 2019-06-21 |
| CN109915056B true CN109915056B (en) | 2020-01-21 |
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| CN111764857B (en) * | 2020-07-13 | 2022-08-23 | 濮阳市海华石油机械有限公司 | Petroleum wellhead assembly easy to assemble |
| CN111852375B (en) * | 2020-07-17 | 2021-05-11 | 大庆市晟威机械制造有限公司 | Well head and sealing protection device |
| CN114592817B (en) * | 2022-02-23 | 2023-03-24 | 江苏腾龙石化机械有限公司 | Pressure relief type petroleum well head |
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| CN2509315Y (en) * | 2001-06-03 | 2002-09-04 | 苏雪莲 | Telescopic antiover-flow pipe on drilling well head |
| US8136602B2 (en) * | 2009-06-15 | 2012-03-20 | Cline Barry V | Method and apparatus for sealing and venting pressurized casings of gas wells |
| CN102852481A (en) * | 2012-09-27 | 2013-01-02 | 重庆新泰机械有限责任公司 | Multipurpose integral cross joint |
| CN205297440U (en) * | 2016-01-19 | 2016-06-08 | 任丘市本溪石油设备有限公司 | Optional many function combination of formula packing box |
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Denomination of invention: A leak proof oil wellhead device Granted publication date: 20200121 Pledgee: Bank of Nanjing Co.,Ltd. Yancheng branch Pledgor: JIANGSU TENGLONG PETROCHEMICAL MACHINERY Co.,Ltd. Registration number: Y2024980003061 |