Wellhead blowout preventer

Abstract

The utility model provides a wellhead blowout preventer which comprises a device base body, a conveying hole is fixedly connected to the interior of the side end of the device base body, a control base body is installed and connected to the interior of the side end of a connecting pipeline, and a control rotating rod is installed and connected to the inner wall of the side end of the control base body. A control valve is installed and connected to the inner wall of the side end of the control rotating rod, a limiting frame is installed and connected to the inner wall of the side end of the control base body, a locking piece is installed and connected to the inner wall of the side end of the limiting frame, a locking plate is slidably connected to the interior of the side end of the locking sliding groove, and a locking rod is installed and connected to the inner wall of the side end of the locking plate. According to the wellhead blowout preventer provided by the utility model, the locking piece and the locking plate are matched for use, so that the control valve of the wellhead blowout preventer can be limited, the phenomenon that the normal use of the wellhead blowout preventer is influenced by mistaken touch during use is prevented, the loss phenomenon caused by external influence is reduced, and the practicability of the wellhead blowout preventer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wellhead blowout preventer technical field especially relates to a wellhead blowout preventer. BACKGROUND

[0002] Wellhead blowout preventer is the important equipment of ensuring safety in the process of oil and gas drilling, faces the huge pressure and risk in the process of oil and gas exploration and exploitation, with the increase of drilling depth, formation pressure increases unceasingly, once loses control, can cause blowout accident. Blowout not only can cause resource waste, environmental pollution, also can constitute the serious threat to personnel life and property safety.

[0003] The existing device is usually used for more important equipment in daily use, and in use control, the control workpiece of the device is easy to appear mis-touch phenomenon in use, thereby the normal use of the device is affected, and the use is not convenient enough.

[0004] Therefore, it is necessary to provide a wellhead blowout preventer to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model provides a wellhead blowout preventer, solve the problem that the control workpiece of device is easy to appear mis-touch phenomenon in use.

[0006] In order to solve the above technical problem, the utility model provides a wellhead blowout preventer, which comprises: device base body, the inside of the side end of device base body is fixedly connected with conveying hole, the inside wall on the side end of conveying hole is installed and is connected with mounting plate, the inside wall on the both ends of device base body is installed and is connected with fastening plate, the inside wall on the side end of fastening plate is fixedly connected with fastening hole, the inside of the side end of fastening hole is installed and is connected with fastening bolt, the inside wall on the side end of fastening plate is fixedly connected with connecting pipeline, the inside of the side end of connecting pipeline is installed and is connected with control base body, the inside wall on the side end of control base body is installed and is connected with conveying pipeline, the inside wall on the side end of control base body is installed and is connected with control rotary rod, the inside wall on the side end of control rotary rod is installed and is connected with control valve, the inside wall on the side end of control valve is installed and is connected with limiting rod, the inside wall on the side end of control base body is installed and is connected with limiting frame, the inside of the side end of limiting frame is fixedly connected with fixed clamping groove, the inside wall on the side end of fixed clamping groove is fixedly connected with arc clamping groove, the inside wall on the side end of limiting frame is installed and is connected with locking piece, the inside of the side end of locking piece is fixedly connected with locking sliding slot, the inside of the side end of locking sliding slot is slidably connected with locking plate, the inside wall on the side end of locking plate is installed and is connected with locking rod, the inside wall on the side end of locking rod is installed and is connected with locking bolt.

[0007] Preferably, the inside wall on the side end of the mounting plate is installed and connected with the mounting rod, and the inside wall on the both ends of the device base body is installed and connected with the protective plate.

[0008] Preferably, a butt joint mounting plate is fixedly connected to the inner wall of the side end of the conveying pipeline, and a reserved hole is mounted and connected to the inner wall of the side end of the butt joint mounting plate.

[0009] Preferably, a sealing ring is mounted and connected to the inner wall of the side end of the fastening plate, and a limiting ring is mounted and connected to the inner wall of the side end of the control rotating rod.

[0010] Preferably, an identification block is mounted and connected to the inner wall of the side end of the control valve.

[0011] Preferably, a fixing plate is mounted and connected to the inner wall of the side end of the locking member, and a fixing bolt is mounted and connected to the inner wall of the side end of the fixing plate.

[0012] Compared with the related art, the wellhead blowout preventer has the following beneficial effects:

[0013] The wellhead blowout preventer has the following beneficial effects: the locking member and the locking plate are used in cooperation to limit the control valve of the device, so that the phenomenon of accidental collision in use is prevented, the normal use of the device is not affected, the loss phenomenon caused by the influence of the external environment is reduced, the practicability of the device is improved, the device structure is relatively simple, the use effect is good, different device workpieces can be adapted in use to achieve the best use effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A preferred embodiment structure diagram of the wellhead blowout preventer is shown in the figure;

[0015] Figure 2 A control base structure diagram is shown in the figure; Figure 1

[0016] A front view structure diagram of the wellhead blowout preventer is shown in the figure; Figure 3 Figure 1 A side view structure diagram of the wellhead blowout preventer is shown in the figure;

[0017] Figure 4 A locking member structure diagram is shown in the figure; Figure 1

[0018] A control valve structure diagram is shown in the figure. Figure 5 Figure 1

[0019] Figure 6 Figure 1

[0020] ​​​​​The figure label: 1, device base body, 2, guard plate, 3, conveying hole, 4, mounting plate, 5, mounting rod, 6, fastening plate, 7, fastening hole, 8, fastening bolt, 9, sealing ring, 10, connecting pipeline, 11, control base body, 12, conveying pipeline, 13, butt joint mounting plate, 14, reserved hole, 15, control rotating rod, 16, limiting ring, 17, control valve, 18, identification block, 19, limiting rod, 20, limiting frame, 21, fixed clamping groove, 22, arc clamping groove, 23, locking piece, 24, locking sliding slot, 25, fixed plate, 26, fixed bolt, 27, locking plate, 28, locking rod, 29, locking bolt. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings and embodiments.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 、 Figure 6 , wherein, Figure 1 It is a preferred embodiment structure diagram of the wellhead blowout preventer provided by the utility model; Figure 2 It is the structure diagram of the control base body shown in Figure 1 ; Figure 3 It is the front view structure diagram of the wellhead blowout preventer shown in Figure 1 ;

[0023] Figure 4 It is the side view structure diagram of the wellhead blowout preventer shown in Figure 1 ; Figure 5 It is the structure diagram of the locking piece shown in Figure 1 ; Figure 6 It is the structure diagram of the locking piece shown in Figure 1The structure schematic view of the control valve is shown. A wellhead blowout preventer comprises a device base body 1, a conveying hole 3 is fixedly connected in the side end of the device base body 1, a mounting plate 4 is mounted and connected on the inner wall of the side end of the conveying hole 3, a fastening plate 6 is mounted and connected on the inner wall of the two ends of the device base body 1, a fastening hole 7 is fixedly connected on the inner wall of the side end of the fastening plate 6, a fastening bolt 8 is mounted and connected in the inner part of the side end of the fastening hole 7, a connecting pipeline 10 is fixedly connected on the inner wall of the side end of the fastening plate 6, a control base body 11 is mounted and connected in the inner part of the side end of the connecting pipeline 10, a conveying pipeline 12 is mounted and connected on the inner wall of the side end of the control base body 11, a control rotating rod 15 is mounted and connected on the inner wall of the side end of the control base body 11, a control valve 17 is mounted and connected on the inner wall of the side end of the control rotating rod 15, a limiting rod 19 is mounted and connected on the inner wall of the side end of the control valve 17, a limiting frame 20 is mounted and connected on the inner wall of the side end of the control base body 11, a fixed clamping groove 21 is fixedly connected in the inner part of the side end of the limiting frame 20, an arc-shaped clamping groove 22 is fixedly connected on the inner wall of the side end of the fixed clamping groove 21, a locking piece 23 is mounted and connected on the inner wall of the side end of the limiting frame 20, a locking sliding groove 24 is fixedly connected in the inner part of the side end of the locking piece 23, a locking plate 27 is slidably connected in the inner part of the side end of the locking sliding groove 24, a locking rod 28 is mounted and connected on the inner wall of the side end of the locking plate 27, and a locking bolt 29 is mounted and connected on the inner wall of the side end of the locking rod 28.

[0024] The mounting plate 4 is mounted and connected with a mounting rod 5 on the inner wall of the side end, the device base body 1 is mounted and connected with a protection plate 2 on the inner wall of the two ends, the device can be protected, and the service life of the device can be improved.

[0025] The conveying pipeline 12 is fixedly connected with a butt joint mounting plate 13 on the inner wall of the side end, the butt joint mounting plate 13 is mounted and connected with a reserved hole 14 on the inner wall of the side end, and workers can conveniently install butt joints of different device workpieces for use.

[0026] The fastening plate 6 is mounted and connected with a sealing ring 9 on the inner wall of the side end, the control rotating rod 15 is mounted and connected with a limiting ring 16 on the inner wall of the side end, the sealing property between positions of device workpieces is improved, and leakage is prevented.

[0027] The control valve 17 is mounted and connected with an identification block 18 on the inner wall of the side end, workers can conveniently observe, and timely adjustment can be made.

[0028] The locking piece 23 is mounted and connected with a fixed plate 25 on the inner wall of the side end, the fixed plate 25 is mounted and connected with a fixed bolt 26 on the inner wall of the side end, the stability of the position of the device workpiece is improved, and position deviation is prevented.

[0029] The working principle of the wellhead blowout preventer is as follows:

[0030] In the daily use process of the device workpiece, in order to reduce the accidental touch phenomenon of the device workpiece in use, after use, the control valve 17 can be directly rotated to the specified position, then the limiting rod 19 at the side end of the control valve 17 is clamped and limited to the inside of the arc-shaped clamping groove 22 at the side end of the limiting frame 20, after adjusting to the appropriate position, the locking piece 23 is arranged at the side end of the limiting frame 20, in order to reduce the accidental touch, the locking plate 27 inside the locking piece 23 can be rotated in the direction of the arc-shaped clamping groove 22 first, after rotation, the locking plate 27 inside will limit the limiting rod 19, then the locking bolt 29 inside the locking rod 28 is limited and locked to meet the use requirement.

[0031] Compared with the related art, the wellhead blowout preventer has the following beneficial effects:

[0032] In the daily use process of the device workpiece, usually important equipment is controlled, in order to improve the use effect of the device, the locking piece 23 and the locking plate 27 are used in cooperation, the control valve 17 of the device can be limited, the accidental touch phenomenon in use is prevented, the normal use of the device is affected, the loss phenomenon caused by the influence of the outside world is reduced, the practicability of the device is improved, the device structure is simple, the use effect is good, different device workpieces can be adapted in use to achieve the best use effect.

[0033] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A wellhead blowout preventer, characterized by, The utility model relates to a kind of device base, including: Device base, the inside fixed connection of the device base side end has conveying hole, the inside wall of the conveying hole side end is installed and connected with mounting plate, the inside wall of the two ends of the device base is installed and connected with fastening plate, the inside wall of the side end of the fastening plate is fixedly connected with fastening hole, the inside of the fastening hole side end is installed and connected with fastening bolt, the inside wall of the side end of the fastening plate is fixedly connected with connecting pipeline, the inside of the connecting pipeline side end is installed and connected with control base, the inside wall of the side end of the control base is installed and connected with conveying pipeline, the inside wall of the side end of the control base is installed and connected with control rotating rod, the inside wall of the side end of the control valve is installed and connected with control valve, the inside wall of the side end of the control valve is installed and connected with limit rod, the inside wall of the side end of the control base is installed and connected with limit frame, the inside fixed connection of the limit frame side end has fixed clamping groove, the inside wall of the fixed clamping groove side end is fixedly connected with arc clamping groove, the inside wall of the side end of the limit frame is installed and connected with locking piece, the inside fixed connection of the locking piece side end has locking sliding slot, the inside sliding connection of the locking sliding slot side end has locking plate, the inside wall of the side end of the locking plate is installed and connected with locking rod, the inside wall of the side end of the locking rod is installed and connected with locking bolt.

2. A wellhead blowout preventer according to claim 1, wherein, The inside wall of the side end of the mounting plate is installed and connected with mounting rod, the inside wall of the two ends of the device base is installed and connected with protection plate.

3. A wellhead blowout preventer according to claim 1, wherein, The inside wall of the side end of the conveying pipeline is fixedly connected with butt joint mounting plate, the inside wall of the side end of the butt joint mounting plate is installed and connected with reserved hole.

4. A wellhead blowout preventer according to claim 1, wherein, The inside wall of the side end of the fastening plate is installed and connected with sealing ring, the inside wall of the side end of the control rotating rod is installed and connected with limit ring.

5. A wellhead blowout preventer according to claim 1, wherein, The inside wall of the side end of the control valve is installed and connected with identification block.

6. A wellhead blowout preventer according to claim 1, wherein, The inside wall of the side end of the locking piece is installed and connected with fixed plate, the inside wall of the side end of the fixed plate is installed and connected with fixed bolt.

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