Intelligent choke and kill manifold

Abstract

The present application belongs to the technical field of manifold, and particularly relates to an intelligent throttling well killing manifold, which comprises a base, a plurality of movable support assemblies are slidably connected to the base, the movable support assemblies are fixedly connected with a cross piece, the cross piece is fixedly connected with a plurality of valve body assemblies, adjacent two valve body assemblies are fixed through quick dismounting and mounting assemblies, the quick dismounting and mounting assemblies are fixed on the movable support assemblies, the cross piece and the quick dismounting and mounting assemblies are fixed on different movable support assemblies, the position of the cross piece and the plurality of valve body assemblies can be changed by changing the position of the movable support assemblies on the base, thereby the butt joint installation of the oil well pipeline at different positions can be adapted, the quick dismounting and mounting between adjacent two valve body assemblies can be realized through the quick dismounting and mounting assemblies, the quick maintenance and replacement of the valve body assemblies can be realized, the maintenance efficiency of the throttling well killing manifold is improved, the throttling well killing manifold can be quickly put into use, and thereby the downtime is reduced.

Description

Technical Field

[0001] This invention belongs to the field of manifold technology, and in particular relates to an intelligent throttling and kill manifold. Background Technology

[0002] Choke and kill manifolds are crucial well control and safety devices in oil and gas drilling operations. They are primarily used to control wellhead pressure, manage well kicks, and implement well kill operations during drilling. Their core function is to control backflow pressure by adjusting the choke valve opening, or, in emergencies, pump high-density kill fluid into the wellbore to balance formation pressure. They are a vital line of defense against blowouts and ensure drilling safety. Existing manifolds are densely assembled from multiple sets of high-pressure valves, pressure gauges, pipelines, and connectors. These components are rigidly fixed by welding or high-strength flange bolts. Maintenance requires hydraulic wrenches, hoisting equipment, and specialized sealing surface grinding tools, making disassembly difficult and hindering rapid deployment. This increases downtime and severely impacts work efficiency.

[0003] For example, Chinese patent application number CN202110449206.2 discloses an ultra-high pressure anti-sulfur and anti-erosion choke and kill manifold, including a choke manifold and a kill manifold. The choke manifold and the kill manifold are connected by a wellhead drilling four-way connector. The choke manifold is centered on a flange five-way connector. The longitudinal direction of the flange five-way connector is a venting main pipe connected to the drilling four-way connector. On both sides of the flange five-way connector, a first manual flat plate valve and a hydraulic flat plate valve control parallel manual choke pipes, a first hydraulic choke pipe and a second hydraulic choke pipe, respectively, to balance the pressure inside the well. The kill manifold is centered on a reducing flange five-way connector. On each side of the reducing flange five-way connector, there is a first manual flat plate valve and a check valve connected to the mud pump. On one side of the flange five-way connector, it is connected to the drilling four-way connector. However, the disadvantage of this technical solution is that the components are rigidly fixed by welding or high-strength flange bolts. Maintenance requires the use of hydraulic wrenches, hoisting equipment and special sealing surface grinding tools, making disassembly difficult and preventing it from being put into use quickly. This increases downtime and seriously affects work efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide an intelligent throttling and kill manifold to solve the problems in the prior art. The specific technical solution is as follows:

[0005] An intelligent throttling and kill manifold includes a base, on which multiple movable support components are slidably connected. The movable support components are fixedly connected to a four-way fitting, and the four-way fitting is fixedly connected to multiple valve body components. Adjacent valve body components are fixed together by a quick-release assembly, which is fixed to the movable support components.

[0006] Furthermore, the base is provided with multiple parallel sliding grooves, the lower end of the movable support component slides in the sliding grooves, and fixed racks are provided on both sides of the sliding grooves, and the two ends of the movable support component are engaged and fixed with the fixed racks.

[0007] Furthermore, the movable support assembly includes a slide block that slides within a groove. A central fixing column is fixed to the upper end of the slide block and is rotatably connected to a rotating cylinder. Protrusions are fixed to both sides of the rotating cylinder. Limiting racks are slidably connected to both ends of the slide block. A spring is provided between the two limiting racks. A slot 1 and a slot 2 are provided on the side wall of the central fixing column. The rotating cylinder is rotatably connected to the middle of the limiting block. The lower end of the limiting block is inserted into the slot 1. A spring 2 is provided between the upper end of the limiting block and the rotating cylinder.

[0008] Furthermore, the rotating drum is slidably connected to the sliding rod, which slides in the arc-shaped groove provided on the central fixed column. A spring is provided between the sliding rod and the rotating drum. The sliding rod is fixedly connected to the bending frame. The central fixed column is fixedly connected to the lower end of the middle layer cylinder frame through a support column. The upper end of the middle layer cylinder frame is fixedly connected to the upper end of the central fixed column. The support column is slidably connected in the long groove provided on the bending frame.

[0009] Furthermore, a triangular block is fixed to the end of the support column, the front end of the triangular block abuts against the outer wall of the middle layer cylindrical frame, the middle layer cylindrical frame is provided with a through hole, the central fixed column is rotatably connected to the support frame, and a limiting gear is fixed to the lower end of the support frame. The limiting gear rotates inside the middle layer cylindrical frame, and the triangular block, through hole and limiting gear are located on the same horizontal line.

[0010] Furthermore, the valve body assembly includes a valve body, with both ends of the valve body fixedly connected to two flanges via two connecting pipes. The upper end of the valve body is fixedly connected to the valve cover via multiple screws. The upper end of the valve cover is rotatably connected to a handwheel via a bearing. The handwheel is threadedly connected to the valve stem. An outer sealing packing is provided at the sliding connection between the valve stem and the valve cover. A gate assembly is fixed at the lower end of the outer sealing packing. Both ends of the gate assembly abut against two valve seats, and both valve seats are fixed within the valve body.

[0011] Furthermore, the gate assembly includes a gate plate fixed to the lower end of the valve stem. The two ends of the gate plate abut against two valve seats respectively. A lower flow hole and an upper flow hole are passed through the gate plate. An inner valve disc and a support rod are fixed in the upper flow hole. The inner valve disc has two valve holes. The support rod is rotatably connected to two sets of connecting blocks. A torsion spring is provided between the two sets of connecting blocks. The two sets of connecting blocks are fixedly connected to two inner valve discs respectively. The two inner valve discs abut against the outside of the two valve holes respectively.

[0012] Furthermore, a functional rod is slidably connected to the valve stem and the gate. The lower end of the functional rod abuts against the outside of the two sets of connecting blocks. A boss is provided in the middle of the functional rod. The boss is slidably connected in the vertical groove provided in the valve stem. An inner layer of sealing packing is provided between the valve stem and the functional rod.

[0013] Furthermore, the quick-assembly assembly includes a support plate, which is fixed to the upper end of a support frame. A bracket is fixed to the upper end of the support plate, and a lower arc-shaped fastener and an upper arc-shaped fastener are rotatably connected to the upper end of the bracket. Two flanges of two adjacent valve body assemblies are connected together. The lower arc-shaped fastener is clamped at the lower end of the two flanges, and the upper arc-shaped fastener is clamped at the upper end of the two flanges. Locking units are provided at the tails of the lower arc-shaped fastener and the upper arc-shaped fastener.

[0014] Furthermore, the locking unit includes a lower arc-shaped fastener rotatably connected to the end of the snap-fit ​​plate, a spring four is provided between the snap-fit ​​plate and the lower arc-shaped fastener, the upper arc-shaped fastener is fixedly connected to the arc-shaped plate, the arc-shaped plate passes through the square hole provided on the lower arc-shaped fastener, the front end of the snap-fit ​​plate snaps into the oblique tooth groove provided on the arc-shaped plate, the arc-shaped plate is provided with a small hole, the end of the plug rod passes through the lower arc-shaped fastener and the small hole, and is fixed by an anti-detachment wire, and the snap-fit ​​plate is fixedly connected to the knob.

[0015] The advantages of this invention are:

[0016] 1. The four-way fitting and quick-release assembly are fixed on different movable support components. By changing the position of the movable support components on the base, the position of the four-way fitting and multiple valve body components can be changed, thereby adapting to the docking and installation of oil well pipelines in different locations. The quick-release assembly enables quick disassembly and installation between two adjacent valve body components, enabling rapid inspection and replacement of valve body components, improving the maintenance efficiency of the choke and kill manifold, and enabling it to be put into use quickly, thereby reducing downtime.

[0017] 2. By using movable support components and quick-assembly components together, it is possible to combine and quickly install four-way fittings, valve body components and other pipelines, thereby enabling the rapid construction of different types of choke and kill manifolds to meet the needs of oil well production. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ;

[0020] Figure 3 for Figure 2 Enlarged view of a portion of point A in the middle;

[0021] Figure 4 for Figure 2 Enlarged view of a section at point B in the middle;

[0022] Figure 5 This is a schematic diagram of the movable support component structure of the present invention. Figure 1 ;

[0023] Figure 6 This is a schematic diagram of the movable support component structure of the present invention. Figure 2 ;

[0024] Figure 7 This is a schematic diagram of the movable support component structure of the present invention. Figure 3 ;

[0025] Figure 8 This is a schematic diagram of the movable support component structure of the present invention. Figure 4 ;

[0026] Figure 9 This is a schematic diagram of the valve body assembly structure of the present invention. Figure 1 ;

[0027] Figure 10 This is a schematic diagram of the valve body assembly structure of the present invention. Figure 2 ;

[0028] Figure 11 This is a schematic diagram of the gate assembly structure of the present invention. Figure 1 ;

[0029] Figure 12 This is a schematic diagram of the gate assembly structure of the present invention. Figure 2 ;

[0030] Figure 13 This is a schematic diagram of the internal valve disc structure of the present invention;

[0031] Figure 14 This is a schematic diagram of the quick-assembly and disassembly component structure of the present invention. Figure 1 ;

[0032] Figure 15 This is a schematic diagram of the quick-assembly and disassembly component structure of the present invention. Figure 2 ;

[0033] Figure 16 This is a schematic diagram of the quick-assembly and disassembly component structure of the present invention. Figure 3 ;

[0034] Explanation of markings in the diagram:

[0035] Base 1; Slide groove 101; Fixed rack 102; Movable support assembly 2; Slide seat 201; Central fixed column 202; Rotary cylinder 203; Protrusion 204; Limiting rack 205; Spring 1 206; Limiting block 207; Slot 1 208; Slot 2 209; Spring 2 210; Slide rod 211; Arc groove 212; Spring 3 213; Bend frame 214; Support column 215; Triangular block 216; Middle layer cylinder frame 217; Through hole 218; Support frame 219; Limiting gear 220; Four-way fitting 3; Pressure gauge 4; Valve body assembly 5; Valve body 501; Connecting pipe 502; Flange 503; Valve cover 504; Handwheel 505; Valve 506 Rod; 507 Outer sealing packing; 508 Gate; 509 Valve seat; 510 Lower flow hole; 511 Upper flow hole; 512 Inner valve disc; 513 Inner valve flap; 514 Connecting block; 515 Torsion spring; 516 Support rod; 517 Function rod; 518 Boss; 519 Inner sealing packing; 520 Vertical groove; 6 Quick-release assembly; 601 Support plate; 602 Bracket; 603 Lower arc-shaped fastener; 604 Upper arc-shaped fastener; 605 Snap-fit ​​plate; 606 Spring; 607 Arc plate; 608 Small hole; 609 Oblique toothed groove; 610 Square hole; 611 Knob; 612 Insert rod; 613 Anti-detachment wire; 7 Sealing ring. Detailed Implementation

[0036] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0038] Example 1: As Figures 1-16 As shown, an intelligent throttling and kill manifold includes a base 1, on which multiple movable support components 2 are slidably connected. The movable support components 2 are fixedly connected to a four-way fitting 3, and the four-way fitting 3 is fixedly connected to multiple valve body components 5. Adjacent valve body components 5 are fixed together by a quick-release assembly 6, which is fixed to the movable support components 2.

[0039] The working principle of the above technical solution is as follows: The four-way fitting 3 and the quick-release assembly 6 are fixed on different movable support assemblies 2. By changing the position of the movable support assembly 2 on the base 1, the position of the four-way fitting 3 and multiple valve body assemblies 5 can be changed, thereby adapting to the docking and installation of oil well pipelines in different positions. The quick-release assembly 6 enables quick disassembly and installation between two adjacent valve body assemblies 5, enabling rapid inspection and replacement of valve body assemblies 5, improving the maintenance efficiency of the choke and kill manifold, and enabling it to be put into use quickly, thereby reducing downtime. In addition, by using the movable support assembly 2 and the quick-release assembly 6 together, the four-way fitting 3, valve body assembly 5 and other pipelines can be arbitrarily combined and quickly installed, thereby enabling the rapid construction of different types of choke and kill manifolds to meet the needs of oil well production.

[0040] Example 2: Figures 1-16 As shown, the base 1 is provided with a plurality of parallel sliding grooves 101. The lower end of the movable support component 2 slides in the sliding groove 101. Fixed racks 102 are provided on both sides of the sliding groove 101. The two ends of the movable support component 2 are engaged and fixed with the fixed racks 102.

[0041] A pressure gauge 4 is installed on the upper end of the four-way fitting 3;

[0042] The working principle of the above technical solution is as follows: One or more movable support components 2 can be placed in the chute 101. A four-way fitting 3 or a quick-release assembly 6 is installed on the upper end of the movable support component 2. The quick-release assembly 6 connects and supports the two valve body components 5, or connects and supports the valve body components 5 with other pipelines. According to actual needs, the four-way fitting 3, valve body components 5 and other pipelines can be arbitrarily combined and quickly installed, thereby quickly building different types of choke and kill manifolds to meet the needs of oil well production.

[0043] After the movable support component 2 is moved to the preset position, both ends of the movable support component 2 are engaged and fixed with the fixed rack 102, thereby fixing the movable support component 2 on the base 1 and preventing the movable support component 2 from moving at will.

[0044] Example 3: Figures 1-16 As shown, the movable support assembly 2 includes a slide block 201, which slides in the slide groove 101. A central fixing column 202 is fixed at the upper end of the slide block 201. The central fixing column 202 is rotatably connected to the rotating cylinder 203. Protrusions 204 are fixed on both sides of the rotating cylinder 203. Limiting racks 205 are slidably connected to both ends of the slide block 201. A spring 206 is provided between the two limiting racks 205. A slot 208 and a slot 209 are provided on the side wall of the central fixing column 202. The rotating cylinder 203 is rotatably connected to the middle of the limiting block 207. The lower end of the limiting block 207 is inserted into the slot 208. A spring 210 is provided between the upper end of the limiting block 207 and the rotating cylinder 203.

[0045] The rotating drum 203 is slidably connected to the sliding rod 211. The sliding rod 211 slides in the arc-shaped groove 212 provided on the central fixed column 202. A spring 213 is provided between the sliding rod 211 and the rotating drum 203. The sliding rod 211 is fixedly connected to the bending frame 214. The central fixed column 202 is fixedly connected to the lower end of the middle layer cylindrical frame 217 through the support column 215. The upper end of the middle layer cylindrical frame 217 is fixedly connected to the upper end of the central fixed column 202. The support column 215 is slidably connected in the long groove provided on the bending frame 214.

[0046] A triangular block 216 is fixed to the end of the support column 215. The front end of the triangular block 216 abuts against the outer wall of the middle layer cylindrical frame 217. The middle layer cylindrical frame 217 is provided with a through hole 218. The central fixed column 202 is rotatably connected to the support frame 219. A limiting gear 220 is fixed to the lower end of the support frame 219. The limiting gear 220 rotates inside the middle layer cylindrical frame 217. The triangular block 216, the through hole 218 and the limiting gear 220 are located on the same horizontal line.

[0047] The working principle of the above technical solution is as follows: The four-way component 3 and the quick-release assembly 6 can be fixed on different support frames 219. When the quick-release assembly 6 is fixed on the support frame 219, the movable slide 201 slides in the slide groove 101, thereby driving the quick-release assembly 6 to move to the preset position. The quick-release assembly 6 can rotate for angle adjustment. The rotation of the quick-release assembly 6 drives the support frame 219 to rotate, which in turn drives the limit gear 220 to rotate in the middle layer cylinder frame 217. After the position and angle of the quick-release assembly 6 are adjusted, the upper end of the limit block 207 is pressed, and the limit block 207 rotates with the rotating cylinder 203, which compresses the second spring 210 and drives the lower end of the limit block 207. Disengaging from slot 208, the rotating cylinder 203 is rotated 90 degrees, causing the two protrusions 204 to rotate 90 degrees with the rotating cylinder 203. The two protrusions 204 press the two limiting racks 205 to separate to both sides, causing the spring 1 206 to be stretched. The two limiting racks 205 are respectively engaged with the two fixed racks 102. The upper end of the limiting block 207 is released from pressure. Under the elastic force of the spring 210, the limiting block 207 is rotated. The lower end of the limiting block 207 is inserted into slot 209, so that the rotating cylinder 203 will not rotate automatically. The limiting racks 205 and the fixed racks 102 are kept engaged, so that the slide 201 cannot slide on the base 1, and the quick disassembly assembly 6 cannot move.

[0048] Initially, spring 213 is in a stretched state. Under the tension of spring 213, triangular block 216 is pressed against the outer wall of the middle layer tube frame 217. When the upper end of the limiting block 207 is pressed, the upper end of the limiting block 207 presses the slide bar 211 and moves slightly towards the middle layer tube frame 217, causing spring 213 to be stretched again. This causes the bending frame 214 to move slightly away from the limiting block 207, and the support column 215 is pressed against one end of the long groove on the bending frame 214. At the same time, triangular block 216 separates from the middle layer tube frame 217.

[0049] During the rotation of the rotating drum 203, the sliding rod 211 follows the rotation of the rotating drum 203 and slides in the arc groove 212. The bent frame 214 and the support column 215 rotate around the center. When the rotating drum 203 rotates 90 degrees, the triangular block 216 rotates to the corresponding position of the through hole 218. After the upper end of the moving limit block 207 is released and restricted, under the action of the spring 213, the triangular block 216 passes through the through hole 218 and is inserted between the teeth of the limit gear 220. Under the limiting action of the triangular block 216, the limit gear 220 and the support frame 219 can be prevented from rotating at will, thereby preventing the quick disassembly assembly 6 from rotating at will.

[0050] Therefore, once the position and angle of the quick-release assembly 6 are adjusted, simply press the upper end of the limit block 207 and rotate the rotating cylinder 203 90 degrees to limit the quick-release assembly 6 and prevent its rotation. This is convenient and quick. By sliding and quickly stopping multiple movable support components 2 on the base 1, the four-way fitting 3, valve body assembly 5 and other pipelines can be arbitrarily combined and installed. This allows for the rapid construction of different types of throttling and well-killing manifolds to meet the needs of oil well production.

[0051] Example 4: Figures 1-16 As shown, the valve body assembly 5 includes a valve body 501. The two ends of the valve body 501 are fixedly connected to two flanges 503 through two connecting pipes 502. The upper end of the valve body 501 is fixedly connected to the valve cover 504 through multiple screws. The upper end of the valve cover 504 is rotatably connected to the handwheel 505 through a bearing. The handwheel 505 is threadedly connected to the valve stem 506. An outer sealing packing 507 is provided at the sliding connection between the valve stem 506 and the valve cover 504. A gate assembly is fixed at the lower end of the outer sealing packing 507. The two ends of the gate assembly abut against two valve seats 509. Both valve seats 509 are fixed inside the valve body 501.

[0052] The gate assembly includes a gate 508, which is fixed to the lower end of the valve stem 506. The two ends of the gate 508 abut against two valve seats 509 respectively. A lower flow hole 510 and an upper flow hole 511 are passed through the gate 508. An inner valve disc 512 and a support rod 516 are fixed in the upper flow hole 511. The inner valve disc 512 is provided with two valve holes. The support rod 516 is rotatably connected to two sets of connecting blocks 514. A torsion spring 515 is provided between the two sets of connecting blocks 514. The two sets of connecting blocks 514 are fixedly connected to two inner valve discs 513 respectively. The two inner valve discs 513 abut against the outside of the two valve holes respectively.

[0053] A functional rod 517 is slidably connected within the valve stem 506 and the gate 508. The lower end of the functional rod 517 abuts against the outside of the two sets of connecting blocks 514. A boss 518 is provided in the middle of the functional rod 517. The boss 518 is slidably connected within the vertical groove 520 provided within the valve stem 506. An inner sealing packing 519 is provided between the valve stem 506 and the functional rod 517.

[0054] The working principle of the above technical solution is as follows: Rotating the handwheel 505 counterclockwise causes the valve stem 506 to rise, which in turn causes the gate 508 to rise, which in turn causes the lower flow hole 510 to rise to the position corresponding to the connecting pipe 502, thereby realizing the flow of fluid.

[0055] Turning the handwheel 505 clockwise causes the valve stem 506 to descend, which in turn causes the gate 508 to descend, which in turn causes the lower flow hole 510 to descend to the bottom of the valve body 501, and causes the upper flow hole 511 to descend to the position corresponding to the connecting pipe 502. Due to the blockage of the inner valve disc 512 and the inner valve flap 513, the fluid cannot flow, thus achieving the purpose of flow interception.

[0056] Pulling the function lever 517 upwards causes the boss 518 to move upwards until it abuts against the upper end of the vertical groove 520. At this point, the lower end of the function lever 517 separates from the connecting block 514. When fluid flows forward through the valve body 501, the fluid compresses the two inner valve discs 513, causing them to rotate and open. The torsion spring 515 deforms, allowing fluid to pass through the valve body 501. When fluid flows backwards through the valve body 501, the fluid compresses the two inner valve discs 513 onto the inner valve disc 512, preventing the two inner valve discs 513 from opening. When fluid cannot flow, i.e., when the lower end of the functional rod 517 abuts against the connecting block 514 and the two inner valve discs 513 cannot open, the valve is a flat valve. When the functional rod 517 moves upward, the lower end of the functional rod 517 separates from the connecting block 514, and the two inner valve discs 513 can selectively open according to the flow direction, and the valve becomes a check valve. Therefore, in the throttling and killing manifold, there is no need to set up separate flat valves and check valves. They can all be set up as valve body assembly 5 in this solution, which is convenient and quick to install and maintain.

[0057] Example 5: Figures 1-16As shown, the quick-assembly assembly 6 includes a support plate 601, which is fixed to the upper end of the support frame 219. A bracket 602 is fixed to the upper end of the support plate 601. A lower arc-shaped fastener 603 and an upper arc-shaped fastener 604 are rotatably connected to the upper end of the bracket 602. Two flanges 503 of two adjacent valve body assemblies 5 are connected together. The lower arc-shaped fastener 603 is clamped at the lower end of the two flanges 503, and the upper arc-shaped fastener 604 is clamped at the upper end of the two flanges 503. Locking units are provided at the tails of the lower arc-shaped fastener 603 and the upper arc-shaped fastener 604.

[0058] A sealing ring 7 is provided between the two flanges 503;

[0059] The locking unit includes a lower arc-shaped fastener 603 rotatably connected to the end of a snap-fit ​​plate 605. A spring 606 is provided between the snap-fit ​​plate 605 and the lower arc-shaped fastener 603. An upper arc-shaped fastener 604 is fixedly connected to an arc-shaped plate 607. The arc-shaped plate 607 passes through a square hole 610 provided on the lower arc-shaped fastener 603. The front end of the snap-fit ​​plate 605 is snapped into a serrated groove 609 provided on the arc-shaped plate 607. A small hole 608 is provided on the arc-shaped plate 607. The end of the plug rod 612 passes through the lower arc-shaped fastener 603 and the small hole 608 and is fixed by an anti-detachment wire 613. The snap-fit ​​plate 605 is fixedly connected to a knob 611.

[0060] The working principle of the above technical solution is as follows: When two valve body assemblies 5 need to be installed together, the quick-release assembly 6 is moved to below the flange 503 where the two valve body assemblies 5 are connected by the movable support assembly 2. The lower arc-shaped fastener 603 and the upper arc-shaped fastener 604 are opened, and the lower arc-shaped fastener 603 and the upper arc-shaped fastener 604 are clamped at the lower and upper ends of the two flanges 503 respectively. The tails of the lower arc-shaped fastener 603 and the upper arc-shaped fastener 604 are slowly closed, and the two flanges 503 are clamped between the lower arc-shaped fastener 603 and the upper arc-shaped fastener 604. The arc-shaped plate 607 on 604 passes through the square hole 610 on the lower arc-shaped fastener 603. The front end of the snap-fit ​​plate 605 is snapped into the oblique tooth groove 609. After the lower arc-shaped fastener 603 and the upper arc-shaped fastener 604 clamp the two flanges 503, the end of the plug rod 612 passes through the lower arc-shaped fastener 603 and the small hole 608, and is fixed by the anti-detachment wire 613. With the double protection of the snap-fit ​​plate 605 and the plug rod 612, the tail of the lower arc-shaped fastener 603 and the upper arc-shaped fastener 604 will not easily open, ensuring the sealing between the two flanges 503 and preventing fluid leakage.

[0061] When the valve body assembly 5 needs to be disassembled for maintenance or replacement, remove the anti-detachment wire 613 from the end of the plug rod 612, pull the plug rod 612 out from the lower arc-shaped fastener 603 and the small hole 608, turn the knob 611 to drive the snap plate 605 to rotate, the front end of the snap plate 605 separates from the oblique tooth groove 609, and then the lower arc-shaped fastener 603 and the upper arc-shaped fastener 604 can be rotated open, the two flanges 503 can be separated, and then the valve body assembly 5 can be removed for maintenance or replacement, realizing the rapid inspection and replacement of the valve body assembly 5, improving the maintenance efficiency of the throttling and killing manifold, enabling it to be put into use quickly, thereby reducing downtime.

[0062] It is understood that the present invention has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the invention. Furthermore, under the teachings of the present invention, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of the present invention.

Claims

1. An intelligent throttling and kill manifold, characterized in that, Includes a base (1), on which multiple movable support components (2) are slidably connected. The movable support components (2) are fixedly connected to a four-way fitting (3), and the four-way fitting (3) is fixedly connected to multiple valve body components (5). Two adjacent valve body components (5) are fixed together by a quick-release assembly (6), which is fixed on the movable support components (2). The base (1) is provided with multiple parallel sliding grooves (101), and the lower end of the movable support component (2) slides in the sliding grooves (101); The movable support assembly (2) includes a slide (201), which slides in the slide groove (101). A central fixing column (202) is fixed at the upper end of the slide (201). The central fixing column (202) is rotatably connected to the rotating cylinder (203). Both sides of the rotating cylinder (203) are fixed with protrusions (204). Both ends of the slide (201) are slidably connected with limiting racks (205). A spring (206) is provided between the two limiting racks (205). A slot (208) and a slot (209) are provided on the side wall of the central fixing column (202). The rotating cylinder (203) is rotatably connected to the middle of the limiting block (207). The lower end of the limiting block (207) is inserted into the slot (208). A spring (210) is provided between the upper end of the limiting block (207) and the rotating cylinder (203). The rotating drum (203) is slidably connected to the sliding rod (211). The sliding rod (211) slides in the arc groove (212) provided on the central fixed column (202). A spring (213) is provided between the sliding rod (211) and the rotating drum (203). The sliding rod (211) is fixedly connected to the bending frame (214). The central fixed column (202) is fixedly connected to the lower end of the middle layer cylinder frame (217) through the support column (215). The upper end of the middle layer cylinder frame (217) is fixedly connected to the upper end of the central fixed column (202). The support column (215) is slidably connected in the long groove provided on the bending frame (214). The support column (215) has a triangular block (216) fixed at its end. The front end of the triangular block (216) abuts against the outer wall of the middle layer tube frame (217). The middle layer tube frame (217) has a through hole (218). The central fixed column (202) is rotatably connected to the support frame (219). The lower end of the support frame (219) is fixed with a limiting gear (220). The limiting gear (220) rotates inside the middle layer tube frame (217). The triangular block (216), the through hole (218) and the limiting gear (220) are located on the same horizontal line.

2. The intelligent throttling and kill manifold according to claim 1, characterized in that, Both sides of the slide groove (101) are provided with fixed racks (102), and the two ends of the movable support component (2) are engaged and fixed with the fixed racks (102).

3. The intelligent throttling and kill manifold according to claim 1, characterized in that, The valve body assembly (5) includes a valve body (501). The two ends of the valve body (501) are fixedly connected to two flanges (503) through two connecting pipes (502). The upper end of the valve body (501) is fixedly connected to the valve cover (504) through multiple screws. The upper end of the valve cover (504) is rotatably connected to the handwheel (505) through a bearing. The handwheel (505) is threadedly connected to the valve stem (506). An outer sealing packing (507) is provided at the sliding connection between the valve stem (506) and the valve cover (504). A gate assembly is fixed at the lower end of the outer sealing packing (507). The two ends of the gate assembly abut against two valve seats (509) respectively. Both valve seats (509) are fixed inside the valve body (501).

4. The intelligent throttling and kill manifold according to claim 3, characterized in that, The gate assembly includes a gate (508), which is fixed to the lower end of the valve stem (506). The two ends of the gate (508) abut against two valve seats (509) respectively. A lower flow hole (510) and an upper flow hole (511) are passed through the gate (508). An inner valve disc (512) and a support rod (516) are fixed in the upper flow hole (511). The inner valve disc (512) is provided with two valve holes. The support rod (516) is rotatably connected to two sets of connecting blocks (514). A torsion spring (515) is provided between the two sets of connecting blocks (514). The two sets of connecting blocks (514) are fixedly connected to two inner valve discs (513) respectively. The two inner valve discs (513) abut against the outside of the two valve holes respectively.

5. The intelligent throttling and kill manifold according to claim 4, characterized in that, A functional rod (517) is slidably connected inside the valve stem (506) and the gate (508). The lower end of the functional rod (517) abuts against the outside of the two sets of connecting blocks (514). A boss (518) is provided in the middle of the functional rod (517). The boss (518) is slidably connected in the vertical groove (520) provided inside the valve stem (506). An inner sealing packing (519) is provided between the valve stem (506) and the functional rod (517).

6. The intelligent throttling and kill manifold according to claim 5, characterized in that, The quick-release assembly (6) includes a support plate (601), which is fixed to the upper end of the support frame (219). A bracket (602) is fixed to the upper end of the support plate (601). A lower arc-shaped fastener (603) and an upper arc-shaped fastener (604) are rotatably connected to the upper end of the bracket (602). The two flanges (503) of two adjacent valve body assemblies (5) are connected together. The lower arc-shaped fastener (603) is clamped at the lower end of the two flanges (503), and the upper arc-shaped fastener (604) is clamped at the upper end of the two flanges (503). Locking units are provided at the tails of the lower arc-shaped fastener (603) and the upper arc-shaped fastener (604).

7. The intelligent throttling and kill manifold according to claim 6, characterized in that, The locking unit includes a lower arc-shaped fastener (603) rotatably connected to the end of a snap-fit ​​plate (605), a spring (606) between the snap-fit ​​plate (605) and the lower arc-shaped fastener (603), an upper arc-shaped fastener (604) fixedly connected to an arc-shaped plate (607), the arc-shaped plate (607) passing through a square hole (610) provided on the lower arc-shaped fastener (603), the front end of the snap-fit ​​plate (605) snapping into a serrated groove (609) provided on the arc-shaped plate (607), a small hole (608) provided on the arc-shaped plate (607), the end of the plug rod (612) passing through the lower arc-shaped fastener (603) and the small hole (608), and fixed by an anti-detachment wire (613), and the snap-fit ​​plate (605) fixedly connected to a knob (611).

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