CN217976150U - Novel blowout preventer with good blowout prevention effect - Google Patents

Abstract

The utility model relates to a prevent effectual novel preventer of blowout, including the preventer body, the upper surface and the lower surface of preventer body all are fixed with the blind flange, the left and right sides of preventer body is fixed with drive arrangement, the lower surface of blind flange is equipped with the supporting mechanism who is used for supporting the preventer body, the lower surface of blind flange is equipped with the fixed establishment who is used for fixed stay mechanism. This prevent effectual novel preventer of blowout, through lifting spring, extension of locating plate and lift post completion first stage under supporting mechanism's effect, make supporting mechanism extend to suitable length according to the difference of topography and be used for supporting preventer body, extend supporting mechanism once more through the screw rod simultaneously, first gear, second gear and lift post, in order to ensure to support apart from the higher preventer body of ground height, and make the workman need not to build a supporter, built efficiency has improved greatly.

Description

Novel blowout preventer with good blowout prevention effect

Technical Field

The utility model relates to a preventer technical field specifically is an prevent effectual novel preventer of blowout.

Background

The blowout preventer is used for closing a wellhead in the operation processes of oil testing, well workover, well completion and the like to prevent blowout accidents, integrates the full sealing function and the half sealing function into a whole, has the characteristics of simple structure, easy operation, high pressure resistance and the like, and is a well mouth safety sealing device for preventing blowout commonly used in oil fields.

For example chinese patent CN 211081789U discloses a well head preventer, this utility model provides a well head preventer, including the preventer shell, run through the oil pole mouth at preventer shell center, be used for the flange lid be connected with external equipment, locate the flashboard subassembly of preventer shell inner wall and be used for driving the drive arrangement of flashboard subassembly, the utility model discloses a resilient structure, reduce because frequently adjust the striking fatigue that the flashboard subassembly embraces the power and cause, effectively improved life, this patent increases the life of flashboard through resilient structure, makes the preventer can use longer time, designs the flashboard into two disconnected concatenation formulas simultaneously, reduces the dynamics that directly strikes the sucker rod and leads to the cracked problem of flashboard pole to guarantee that the preventer can not lead to the blowout because of the flashboard fracture, and then improved the blowout prevention effect of preventer, the preventer need fix through the tensioning of steel cable after the installation is accomplished simultaneously, plays the supporting role when fixed to the preventer, but at the unable fixed steel cable in place that the topography is complicated, leads to the workman need to build a sufficient firm supporter again and just can fix the steel cable, greatly reduced and built efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a prevent effectual novel preventer of blowout possesses advantages such as conveniently supporting preventer, has solved the unable fixed steel cable in the place that the topography is complicated, leads to the workman to need to build the problem that just can fix the steel cable of a sufficient firm support again.

In order to achieve the above object, the utility model provides a following technical scheme: a novel blowout preventer with a good blowout prevention effect comprises a blowout preventer body, wherein flange covers are fixed on the upper surface and the lower surface of the blowout preventer body, driving devices are fixed on the left side and the right side of the blowout preventer body, a supporting mechanism used for supporting the blowout preventer body is arranged on the lower surface of each flange cover, and a fixing mechanism used for fixing the supporting mechanism is arranged on the lower surface of each flange cover;

the supporting mechanism is including fixing the support column at preventer body lower surface, the roof of support column inner chamber is fixed with the lift spring, the lower fixed surface of lift spring has the locating plate, the inside threaded connection of locating plate has stop screw, stop screw's outside threaded connection has the fixation nut who is located the support column and is close to blind flange one side, the lower fixed surface of locating plate has the lift post, the inside threaded connection of lift post has the screw rod, the bottom of screw rod is rotated and is connected with the supporting legs that is located the lift post lower surface, the outside of screw rod is fixed with the first gear that is located the supporting legs inside, the outside meshing of first gear has the second gear, the internal rotation of second gear is connected with the connecting rod, the one end that the second gear was kept away from to the connecting rod is fixed with the turning block.

Further, the supporting mechanism is symmetrical left and right with the central axis of the blowout preventer body as a symmetry line, the number of the supporting columns is two, the left side and the right side of each supporting column are provided with movable holes, and the limiting screws are connected in the movable holes in a sliding mode.

Furthermore, the top of screw rod is fixed with the limiting plate of sliding connection in the lift post is inside, the shape of lift post is the cuboid.

Furthermore, a mounting groove is formed in the bottom wall of the inner cavity of the supporting leg, a bearing is fixed inside the mounting groove, and the screw rod is fixed inside the bearing.

Furthermore, a threaded hole for a limiting screw to penetrate through is formed in the left side of the positioning plate and is in threaded connection with the positioning plate through the threaded hole, and the length of the limiting screw is larger than that of the supporting column.

Furthermore, the fixing mechanism comprises a connecting block fixed on the lower surface of the blowout preventer body, a fixing block is inserted into the connecting block, a linkage block is fixed to one end, away from the connecting block, of the fixing block, a sliding block is fixed to the upper surface of the linkage block, a pull rod is fixed to the lower surface of the linkage block, a fixing box located on the outer side of the linkage block is connected to the outer side of the sliding block in a sliding mode, and a fixing spring fixed to one side, away from the fixing block, of the linkage block is fixed to the inside of the fixing box.

Further, the left side of connecting block is seted up and is provided with the fixed orifices that runs through for the fixed block, and through fixed orifices and connecting block clearance fit, two the fixed slot has all been seted up to one side that the supporting legs carried on the back mutually, the fixed block is pegged graft in the fixed slot.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this prevent effectual novel preventer of blowout, through lifting spring, extension of locating plate and lift post completion first stage under supporting mechanism's effect, make supporting mechanism extend to suitable length according to the difference of topography and be used for supporting preventer body, extend supporting mechanism once more through screw rod, first gear, second gear and lift post simultaneously, in order to ensure to support apart from the higher preventer body of ground height, and make the workman need not to build a supporter, improved and built efficiency.

2. This prevent effectual novel preventer of blowout, pass through the fixed block under fixed establishment's effect, the connecting block, linkage block and fixed spring make the support column fixed at the lower surface of preventer body to make supporting mechanism can form stable supporting role to the preventer body, guaranteed can not skew preventer body through supporting mechanism during the use, drive fixed block and connecting block separation that simultaneously can relax through the pull rod, make things convenient for the workman to dismantle supporting mechanism after using up.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fixing mechanism of the present invention;

FIG. 3 is a schematic view of the supporting mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.

In the figure: the blowout preventer comprises a flange cover 1, a blowout preventer body 2, a driving device 3, a fixing mechanism 4, a fixing block 401, a connecting block 402, a sliding block 403, a linkage block 404, a fixing box 405, a fixing spring 406, a pull rod 407, a supporting mechanism 5, a lifting spring 501, a supporting column 502, a screw 503, a lifting column 504, a supporting leg 505, a limiting screw 506, a positioning plate 507, a fixing nut 508, a rotating block 509, a connecting rod 510, a first gear 511 and a second gear 512.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the blowout preventer of the present embodiment includes a blowout preventer body 2, flange covers 1 are fixed on the upper surface and the lower surface of the blowout preventer body 2, driving devices 3 are fixed on the left and right sides of the blowout preventer body 2, the driving devices 3 are common devices on the market for driving the blowout preventer body 2, a supporting mechanism 5 for supporting the blowout preventer body 2 is arranged on the lower surface of the flange cover 1, and a fixing mechanism 4 for fixing the supporting mechanism 5 is arranged on the lower surface of the flange cover 1.

Referring to fig. 2, in order to fix the supporting mechanism 5, the fixing mechanism 4 in this embodiment includes a connecting block 402 fixed on the lower surface of the blowout preventer body 2, a fixing block 401 is inserted into the connecting block 402, a linkage block 404 is fixed on one end of the fixing block 401 away from the connecting block 402, a slider 403 is fixed on the upper surface of the linkage block 404, a pull rod 407 is fixed on the lower surface of the linkage block 404, when the slider 403 slides to the inner cavity wall of the chute away from the supporting column 502, the pull rod 407 cannot be pulled continuously, a fixing box 405 located outside the linkage block 404 is connected to the outer side of the slider 403 in a sliding manner, a fixing spring 406 fixed on one side of the linkage block 404 away from the fixing block 401 is fixed inside the fixing box 405, the pull rod 407 drives the linkage block 404 to move together, the fixing block 401 is driven by the linkage block 404 to move together, and the fixing spring 406 is pressed by the linkage block 404.

The left side of connecting block 402 is seted up and is provided with the fixed orifices that runs through for fixed block 401, and through fixed orifices and connecting block 402 clearance fit, the fixed slot has all been seted up to one side that two supporting legs 505 carried on the back mutually, and fixed block 401 is pegged graft in the fixed slot.

Therefore, the supporting mechanism 5 completes the extension of the first stage through the lifting spring 501, the positioning plate 507 and the lifting column 504, so that the supporting mechanism 5 can extend to a proper length according to different terrains to support the blowout preventer body 2, and simultaneously, the supporting mechanism 5 extends again through the screw 503, the first gear 511, the second gear 512 and the lifting column 504, so that the blowout preventer body 2 with a higher height from the ground can be supported, a worker does not need to construct a support, and the construction efficiency is improved.

Referring to fig. 3-5, in order to support the blowout preventer body 2, the support mechanism 5 in this embodiment includes a support column 502 fixed on the lower surface of the blowout preventer body 2, a lifting spring 501 is fixed on the top wall of an inner cavity of the support column 502, the lifting spring 501 is in a compressed state inside the support column 502, a positioning plate 507 is fixed on the lower surface of the lifting spring 501, a limit screw 506 is connected to the inside of the positioning plate 507 through a thread, a fixing nut 508 located on one side of the support column 502 close to the flange cover 1 is connected to the outside of the limit screw 506 through a thread, the fixing nut 508 is rotated to loosen the limit screw 506, the positioning plate 507 is pushed downward by the lifting spring 501 through a rebound force, the positioning plate 507 drives the limit screw 506 and the fixing nut 508 to move downward together, a lifting column 504 is fixed on the lower surface of the positioning plate 507, a screw rod is connected to the inside of the lifting column 504 through a thread, a support foot 505 located on the lower surface of the lifting column 504 is rotatably connected to the bottom end of the screw rod 503, the lifting column 504 drives the support foot 505 to move downward together to move together with the support foot 505, a first gear 511 located inside the support foot 505 is fixed on the outside of the screw rod 503, a second gear 512, a connecting rod 512 is connected to a rotating block 512 located on the outside of the connecting rod 512.

The support mechanism 5 is characterized in that the central axis of the sprayer body 2 is a symmetry line, the support mechanism is symmetrical left and right, the number of the support columns 502 is two, the left side and the right side of each support column 502 are provided with a movable hole, a limit screw 506 is connected in each movable hole in a sliding manner, the top end of each screw 503 is fixed with a limit plate connected in each lifting column 504 in a sliding manner, each lifting column 504 is provided with a limit groove, the bottom surface of each lifting column 504 is provided with a movable groove, the length of the inner cavity of each movable groove is smaller than that of the inner cavity of each limit groove, the screw 503 is limited by the limit plates, the screw 503 stops moving after moving downwards for a certain distance, the falling-preventing screw 503 is separated from the lifting column 504 in the downward moving process, each lifting column 504 is cuboid, the positioning grooves are formed in the support columns 502, the positioning plates 507 and the lifting columns 504 are both connected in the positioning grooves in a sliding manner, the positioning plates 507 are cuboid, the positioning plates are connected in the inner cavities of the bearings 505, the screws 503 are connected with the positioning plates in the left side of the positioning plates 502 through the screw holes of the bearings, the positioning plates 507, the positioning plates are connected with the screw 506 through the screw holes of the screw 502, and the positioning plates 502 in a threaded connection with the screw holes of the positioning plates in the positioning plates 502, and the positioning plates.

It can be seen that the fixing mechanism 4 fixes the support column 502 on the lower surface of the blowout preventer body 2 through the fixing block 401, the connecting block 402, the linkage block 404 and the fixing spring 406, so that the support mechanism 5 can stably support the blowout preventer body 2, the support mechanism 5 is guaranteed not to deviate from the blowout preventer body 2 during use, meanwhile, the fixing block 401 and the connecting block 402 can be easily driven to be separated through the pull rod 407, and a worker can conveniently detach the support mechanism 5 after use.

The working principle of the above embodiment is as follows:

(1) After the blowout preventer body 2 is installed, firstly, a connecting groove at the top end of a supporting column 502 is aligned to a connecting block 402, then a pull rod 407 is grasped to pull in a direction away from the supporting column 502, the pull rod 407 drives a linkage block 404 to move together, the linkage block 404 drives a fixing block 401 to move together, meanwhile, the linkage block 404 extrudes a fixing spring 406, the slider 403 slides along with the linkage block 404 in a direction away from the supporting column 502, when the slider 403 slides to an inner cavity wall of a side of a chute away from the supporting column 502, the pull rod 407 cannot be pulled continuously, then the connecting block 402 is inserted into the connecting groove, then the pull rod 407 is released, the fixing spring 406 rebounds and pushes the fixing block 401 to penetrate through the connecting block 402 and be inserted into the supporting column 502 through the linkage block 404, the fixing mechanism 4 enables the supporting column 502 to be fixed on the lower surface of the blowout preventer body 2 through the fixing block 401, the connecting block 402, the linkage block 404 and the fixing spring 406, so that the supporting mechanism 5 can form a stable supporting effect on the blowout preventer body 2, the supporting mechanism is guaranteed not to deviate from the blowout preventer body 2 during use through the supporting mechanism 5, and meanwhile, the fixing block 401 can be easily driven by the pull rod 407 and separated from the connecting block 402, and a worker can be conveniently detached after the supporting mechanism 5 is used up.

(2) After the support column 502 is fixed, the fixing nut 508 is firstly rotated, the limit screw 506 is loosened, the lifting spring 501 pushes the locating plate 507 downwards through the resilience, the locating plate 507 drives the limit screw 506 and the fixing nut 508 to move downwards together, and simultaneously drives the lifting column 504 to move downwards, the supporting leg 505 is driven to move downwards through the lifting column 504, if the supporting leg 505 is attached to the ground, the fixing nut 508 is rotated again to fix the limit screw 506, and the locating plate 507 is fixed through the limit screw 506, if the supporting leg 505 is not attached to the ground, the rotating block 509 is rotated after the locating plate 507 is fixed through the fixing nut 508 and the limit screw 506, the rotating block drives the connecting rod 510 to rotate together and drives the second gear 512 to rotate together through the connecting rod 510, the second gear 512 drives the first gear 511 to rotate together, the screw 503 is driven to rotate through the first gear 511, the screw 503 rotates while the screw 503 rotates inside the lifting column 504, and drives the ground 505 to move downwards together until the rotating block 509 stops rotating after the supporting leg is attached to move downwards, the support mechanism 5 completes the extension of the first stage through the lifting spring 501, so that the support column 5 can extend to the support body 512 and the positioning plate 504 again according to the support body 5 with the same length, and the extension efficiency of the screw 512 can be improved, and the blowout preventer can be improved by workers without the support body 5, and the blowout preventer.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an prevent effectual novel preventer of blowout, includes preventer body (2), its characterized in that: the upper surface and the lower surface of the blowout preventer body (2) are both fixed with flange covers (1), the left side and the right side of the blowout preventer body (2) are fixed with driving devices (3), the lower surface of the flange cover (1) is provided with a supporting mechanism (5) for supporting the blowout preventer body (2), and the lower surface of the flange cover (1) is provided with a fixing mechanism (4) for fixing the supporting mechanism (5);

the supporting mechanism (5) is including fixing support column (502) at preventer body (2) lower surface, the roof of support column (502) inner chamber is fixed with lift spring (501), the lower fixed surface of lift spring (501) has locating plate (507), the inside threaded connection of locating plate (507) has stop screw (506), the outside threaded connection of stop screw (506) has fixation nut (508) that is located support column (502) and is close to flange lid (1) one side, the lower fixed surface of locating plate (507) has lift post (504), the inside threaded connection of lift post (504) has screw rod (503), the bottom rotation of screw rod (503) is connected with supporting legs (505) that are located lift post (504) lower surface, the outside of screw rod (503) is fixed with first gear (511) that are located supporting legs (505) inside, the outside meshing of first gear (511) has second gear (512), the inside rotation of second gear (512) is connected with connecting rod (510), the one end that second gear (512) was kept away from to connecting rod (510) is fixed with rotating block (509).

2. The novel blowout preventer with good blowout prevention effect according to claim 1, characterized in that: the supporting mechanism (5) is symmetrical left and right by taking the central axis of the blowout preventer body (2) as a symmetrical line, the number of the supporting columns (502) is two, movable holes are formed in the left side and the right side of each supporting column (502), and the limiting screws (506) are connected in the movable holes in a sliding mode.

3. The novel blowout preventer with good blowout prevention effect according to claim 1, characterized in that: the top of screw rod (503) is fixed with the limiting plate of sliding connection in lift post (504) inside, the shape of lift post (504) is the cuboid.

4. The novel blowout preventer with good blowout prevention effect according to claim 1, is characterized in that: the bottom wall of the inner cavity of the supporting leg (505) is provided with a mounting groove, a bearing is fixed inside the mounting groove, and the screw (503) is fixed inside the bearing.

5. The novel blowout preventer with good blowout prevention effect according to claim 1, is characterized in that: the left side of the positioning plate (507) is provided with a threaded hole for the limiting screw (506) to penetrate through, the threaded hole is in threaded connection with the positioning plate (507), and the length of the limiting screw (506) is greater than that of the supporting column (502).

6. The novel blowout preventer with good blowout prevention effect according to claim 1, characterized in that: the fixed mechanism (4) comprises a connecting block (402) fixed to the lower surface of the blowout preventer body (2), a fixed block (401) is inserted into the connecting block (402), a linkage block (404) is fixed to one end, far away from the connecting block (402), of the fixed block (401), a sliding block (403) is fixed to the upper surface of the linkage block (404), a pull rod (407) is fixed to the lower surface of the linkage block (404), a fixed box (405) located on the outer side of the linkage block (404) is connected to the outer side of the sliding block (403) in a sliding mode, and a fixed spring (406) fixed to one side, far away from the fixed block (401), of the linkage block (404) is fixed to the inner portion of the fixed box (405).

7. The novel blowout preventer with good blowout prevention effect according to claim 6, characterized in that: the left side of the connecting block (402) is provided with a fixing hole for the fixing block (401) to penetrate through, the fixing hole is in clearance fit with the connecting block (402), fixing grooves are formed in the two sides, opposite to each other, of the supporting legs (505), and the fixing block (401) is inserted into the fixing grooves.

Images