CN220602831U - Sealing performance detection device for blowout preventer - Google Patents
Sealing performance detection device for blowout preventer Download PDFInfo
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- CN220602831U CN220602831U CN202322369422.3U CN202322369422U CN220602831U CN 220602831 U CN220602831 U CN 220602831U CN 202322369422 U CN202322369422 U CN 202322369422U CN 220602831 U CN220602831 U CN 220602831U
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- blowout preventer
- sealing performance
- frame body
- sliding blocks
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a sealing performance detection device of a blowout preventer, which comprises a frame body, wherein a placing disc is fixedly connected in the middle of the inner surface of the frame body, and two sides of the placing disc are connected with limiting mechanisms; the well plugging device further comprises a detection auxiliary mechanism, and the detection auxiliary mechanism is matched with the placing disc for detecting the sealing performance of the well plugging device. This blowout preventer sealing performance detection device through setting up detection auxiliary mechanism, can effectually detect whether the leakproofness that blowout preventer its possessed is good under the condition that appears the bubble when placing in the aquatic through gas in, and this kind of mode can audio-visually show whether there is cracked condition, the simple operation, and the water that uses can repeatedly use simultaneously, reaches the purpose that detects the requirement when saving the detection resource. Through setting up stop gear, can effectually carry out spacingly to the blowout preventer, avoid letting in the inside too big problem that causes gas leakage of gas pressure of blowout preventer, guarantee its accuracy that detects.
Description
Technical Field
The utility model belongs to the technical field of blowout preventers, and particularly relates to a blowout preventer sealing performance detection device.
Background
The well sealer is a machine which closes the well mouth in the process of waiting operation and combines the full sealing function and the half sealing function, and is a safety sealing well mouth device which is commonly used in oil fields and used for preventing blowout.
The existing blowout preventer is not provided with proper detection equipment to detect the tightness of the existing blowout preventer before being put into use, and whether the tightness of the blowout preventer can achieve an expected sealing effect in the production process cannot be guaranteed, so that leakage of liquid or gas occurs during subsequent installation and use, and certain material loss is caused.
Disclosure of Invention
The utility model aims to provide a device for detecting the sealing performance of a blowout preventer, which solves the problem that the sealing performance of the blowout preventer cannot be detected in the prior art.
The technical scheme adopted by the utility model is that the sealing performance detection device of the blowout preventer comprises a frame body, wherein a placing disc is fixedly connected in the middle of the inner surface of the frame body, and two sides of the placing disc are connected with limiting mechanisms;
the well plugging device further comprises a detection auxiliary mechanism, and the detection auxiliary mechanism is matched with the placing disc for detecting the sealing performance of the well plugging device.
The utility model is also characterized in that:
the limiting mechanism comprises two fixed frames, the lower surfaces of the two fixed frames are fixedly connected with the inner surface of the frame body, one ends of the two fixed frames are respectively fixedly connected with two sides of the placing plate, through holes are respectively formed in the end faces of the other ends of the two fixed frames, threaded rods are horizontally arranged in the two fixed frames, the two threaded rods penetrate through the through holes and are respectively connected with connecting shafts, the two connecting shafts are respectively connected with first gears, the two first gears are respectively meshed with and connected with second gears, the two second gears are respectively horizontally fixedly connected with bearing shafts, and the two bearing shafts are connected through bearing blocks;
the two second sliding blocks are respectively arranged above the fixed frames, the shaft shoulders of the two second sliding blocks are in sliding connection with the two fixed frames, the protruding sections of the two second sliding blocks are in threaded connection with the outer surfaces of the threaded rods, the opposite sides of the two second sliding blocks are respectively connected with connecting rods, the two connecting rods are respectively connected with an arc-shaped clamping disc, the arc-shaped clamping discs are arranged on the upper end surfaces of the placing discs, and the lower end surfaces of the arc-shaped clamping discs are in sliding connection with the upper end surfaces of the placing discs;
the detection auxiliary mechanism comprises an upper cover plate, square grooves with the same size are respectively formed in two ends of the same diameter of the upper cover plate, sliding grooves are formed in the long-direction surfaces of the square grooves of the upper cover plate, the two sliding grooves are respectively and slidably connected with first sliding blocks, arc-shaped limiting blocks are vertically and fixedly connected above the two first sliding blocks, rotating rings are sleeved on the outer surfaces of the two arc-shaped limiting blocks, the rotating rings are parallel to the upper cover plate, and the rotating rings are in threaded connection with the outer surfaces of the two arc-shaped limiting blocks; arc-shaped clamping plates are vertically fixedly connected below the two first sliding blocks respectively, and the longitudinal sections of the arc-shaped clamping plates are L-shaped;
the upper cover plate is vertically provided with a through hole corresponding to the vent pipe, and the vent pipe is inserted into the through hole;
through holes corresponding to the connecting shafts are formed in the two side surfaces of the frame body, and the two first gears are located on the outer side of the frame body;
the second gear is positioned at the outer side of the frame body, and the bearing shaft is arranged in parallel with the connecting rod;
the two arc-shaped clamping discs are oppositely arranged.
The beneficial effects of the utility model are as follows:
the utility model provides a sealing performance detection device of a blowout preventer, which can effectively detect whether the tightness of the blowout preventer is good under the condition that air bubbles appear when gas is placed in water by arranging a detection auxiliary mechanism, and the mode can intuitively show whether the blowout preventer is broken or not, so that the operation is convenient, the used water can be reused, and the detection resource is saved and the purpose of meeting the detection requirement is achieved. Through setting up stop gear, can effectually carry out spacingly to the blowout preventer, avoid letting in the inside too big problem that causes gas leakage of gas pressure of blowout preventer, guarantee its accuracy that detects.
Drawings
FIG. 1 is a schematic diagram of a device for detecting the sealing performance of a blowout preventer of the present utility model;
FIG. 2 is a schematic diagram of the connection of a limiting mechanism of the blowout preventer sealing performance detection apparatus of the present utility model;
FIG. 3 is a schematic side elevational view of FIG. 2;
FIG. 4 is a schematic structural view of a detection auxiliary mechanism of the sealing performance detection device of the blowout preventer of the present utility model;
in the figure, 1 framework, 2 stop gear, 3 detect auxiliary mechanism, 4 place the dish, 5 fixed frame, 6 threaded rod, 7 connecting axle, 8 first gear, 9 second gear, 10 arc joint dish, 11 joint piece, 12 joint axle, 13 connecting rods, 14 upper cover plate, 15 breather pipe, 16 spout, 17 first slider, 18 arc joint board, 19 arc stopper, 20 swivel becket, 21 second slider.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The utility model provides a sealing performance detection device of a blowout preventer, which is shown in figure 1, and comprises a frame body 1, wherein a placing disc 4 is fixedly connected in the middle of the inner surface of the frame body 1, and two sides of the placing disc 4 are connected with a limiting mechanism 2; the well plugging device further comprises a detection auxiliary mechanism 3, wherein the detection auxiliary mechanism 3 is matched with the placing disc 4 for detecting the sealing performance of the well plugging device, and water is filled in the frame body 1.
As shown in fig. 2, the limiting mechanism 2 includes two fixed frames 5, the lower surfaces of the two fixed frames 5 are fixedly connected with the inner surface of the frame body 1, one ends of the two fixed frames 5 are fixedly connected with two sides of the placing tray 4 respectively, the two fixed frames 5 are on a straight line, through holes are respectively formed in the end faces of the other ends of the two fixed frames 5, threaded rods 6 are horizontally arranged in the two fixed frames 5, the two threaded rods 6 penetrate through the through holes and are respectively connected with connecting shafts 7, the two connecting shafts 7 are respectively connected with first gears 8, the two first gears 8 are respectively connected with second gears 9 in a meshed manner, the two second gears 9 are respectively and horizontally fixedly connected with bearing shafts 12, and the two bearing shafts 12 are connected through bearing blocks 11. The two second sliding blocks 21 are arranged above the fixed frames 5 respectively, shaft shoulders of the two second sliding blocks 21 are connected with the two fixed frames 5 in a sliding mode, protruding sections of the two second sliding blocks 21 are connected with the outer surfaces of the threaded rods 6 in a threaded mode, connecting rods 13 are connected to opposite sides of the two second sliding blocks 21 respectively, arc-shaped clamping discs 10 are connected to the two connecting rods 13 respectively, and the two arc-shaped clamping discs 10 are arranged oppositely. The arc-shaped clamping disc 10 is arranged on the upper end face of the placing disc 4, and the lower end face of the arc-shaped clamping disc 10 is in sliding connection with the upper end face of the placing disc 4. The well plugging device is convenient to fix through the arc-shaped clamping disc 10. Through holes corresponding to the connecting shafts 7 are formed in the two side faces of the frame body 1, and the two first gears 8 are located on the outer side of the frame body 1.
As shown in fig. 3, the receiving shaft 12 is arranged in parallel with the connecting rod 13, so that the two arc-shaped clamping discs 10 can move in opposite directions during operation.
As shown in fig. 4, the detection auxiliary mechanism 3 includes an upper cover plate 14, two ends of the same diameter of the upper cover plate 14 are respectively provided with square grooves with the same size, the long-directional surface of the square groove of the upper cover plate 14 is provided with a sliding groove 16, two sliding grooves 16 are respectively and slidably connected with a first sliding block 17, arc-shaped limiting blocks 19 are vertically and fixedly connected above the two first sliding blocks 17, the outer surfaces of the two arc-shaped limiting blocks 19 are sleeved with a rotating ring 20, the rotating ring 20 is parallel to the upper cover plate 14, the rotating ring 20 is in threaded connection with the outer surfaces of the two arc-shaped limiting blocks 19, the inner wall of the arc-shaped limiting block 19 is clamped on the outer edge of the blowout preventer, and the outer surfaces of the arc-shaped limiting blocks 19 are in threaded connection with the rotating ring 20, so that the positions of the arc-shaped limiting blocks 19 are positioned, and the detection auxiliary mechanism 3 is prevented from falling during detection. Different inner diameters of the rotary ring 20 are selected for different diameters of the blowout preventer. Arc-shaped clamping plates 18 are vertically fixedly connected below the two first sliding blocks 17 respectively, and the longitudinal sections of the arc-shaped clamping plates 18 are L-shaped. The air vent pipe 15 is further included, a through hole corresponding to the air vent pipe 15 is vertically formed in the center of the upper cover plate 14, and the air vent pipe 15 is inserted into the through hole.
The utility model relates to a sealing performance detection device of a blowout preventer, which has the following working principle: when the well plugging device is used, the well plugging device to be detected is placed on the placement disc 4, at the moment, one group of connecting shafts 7 are connected through external driving, the connecting shafts 7 are driven to rotate, the connecting shafts 7 drive the threaded rods 6 connected with the connecting shafts to rotate, the threaded rods 6 drive the second sliding blocks 21 in threaded connection with the threaded rods to move, meanwhile, the connecting rods 13 are connected with the arc-shaped clamping discs 10, the connecting rods 13 are connected with the second sliding blocks 21, the arc-shaped clamping discs 10 are driven to move, the arc-shaped clamping discs 10 are clamped on the outer edges of the well plugging device, the first gears 8 connected with the outer surfaces of the connecting shafts 7 synchronously rotate while the connecting shafts 7 rotate, the first gears 8 drive the second gears 9 meshed with the first gears to rotate, the bearing shafts 12 connected with the second gears 9 are driven to rotate, and the process is repeated, so that the other group of arc-shaped clamping discs 10 are pushed to be clamped on the outer edges of the other sides of the well plugging device, and the well plugging device is limited on the placement disc 4.
When the device is detected, the upper cover plate 14 is arranged on the upper end surface of the blowout preventer, the first sliding block 17 slides in the sliding groove 16 formed in the upper cover plate 14 to push the arc-shaped limiting block 19 on the upper surface of the first sliding block 17 to approach the middle, the arc-shaped clamping plate 18 arranged on the lower surface of the first sliding block 17 slides synchronously, at the moment, the required rotating ring 20 is arranged on the outer surface of the arc-shaped limiting block 19, and the rotating ring 20 is in threaded connection with the outer surface of the arc-shaped limiting block 19, so that the arc-shaped clamping plate 18 can be clamped on the outer edge of the upper end of the blowout preventer by rotating the rotating ring 20, at the moment, corresponding detection gas can be introduced into the blowout preventer through the ventilating pipe 15, quantitative water is injected into the frame body 1, and whether the tightness of the blowout preventer reaches the standard is detected by observing whether bubbles exist in the water.
Example 1
The device for detecting the sealing performance of the blowout preventer, as shown in fig. 1, comprises a frame body 1, wherein a placement disc 4 is fixedly connected in the middle of the inner surface of the frame body 1, and two sides of the placement disc 4 are connected with a limiting mechanism 2;
the well plugging device further comprises a detection auxiliary mechanism 3, wherein the detection auxiliary mechanism 3 is matched with the placing disc 4 for detecting the sealing performance of the well plugging device.
Example 2
The device for detecting the sealing performance of the blowout preventer, as shown in fig. 1, comprises a frame body 1, wherein a placement disc 4 is fixedly connected in the middle of the inner surface of the frame body 1, and two sides of the placement disc 4 are connected with a limiting mechanism 2;
the well plugging device further comprises a detection auxiliary mechanism 3, wherein the detection auxiliary mechanism 3 is matched with the placing disc 4 for detecting the sealing performance of the well plugging device.
As shown in fig. 2, the limiting mechanism 2 comprises two fixed frames 5, the lower surfaces of the two fixed frames 5 are fixedly connected with the inner surface of the frame body 1, one ends of the two fixed frames 5 are respectively fixedly connected to two sides of the placing tray 4, through holes are respectively formed in the end faces of the other ends of the two fixed frames 5, threaded rods 6 are horizontally arranged in the two fixed frames 5, the two threaded rods 6 penetrate through the through holes and are respectively connected with a connecting shaft 7, the two connecting shafts 7 are respectively connected with a first gear 8, the two first gears 8 are respectively connected with a second gear 9 in a meshed manner, the two second gears 9 are respectively and horizontally fixedly connected with a bearing shaft 12, and the two bearing shafts 12 are connected through a bearing block 11;
the two second sliding blocks 21 are arranged above the fixed frames 5 respectively, shaft shoulders of the two second sliding blocks 21 are connected with the two fixed frames 5 in a sliding mode, protruding sections of the two second sliding blocks 21 are connected with the outer surfaces of the threaded rods 6 in a threaded mode, connecting rods 13 are connected to opposite sides of the two second sliding blocks 21 respectively, arc-shaped clamping discs 10 are connected to the two connecting rods 13 respectively, the arc-shaped clamping discs 10 are arranged on the upper end faces of the placing discs 4, and the lower end faces of the arc-shaped clamping discs 10 are connected with the upper end faces of the placing discs 4 in a sliding mode.
Example 3
The device for detecting the sealing performance of the blowout preventer, as shown in fig. 1, comprises a frame body 1, wherein a placement disc 4 is fixedly connected in the middle of the inner surface of the frame body 1, and two sides of the placement disc 4 are connected with a limiting mechanism 2;
the well plugging device further comprises a detection auxiliary mechanism 3, wherein the detection auxiliary mechanism 3 is matched with the placing disc 4 for detecting the sealing performance of the well plugging device.
As shown in fig. 2, the limiting mechanism 2 comprises two fixed frames 5, the lower surfaces of the two fixed frames 5 are fixedly connected with the inner surface of the frame body 1, one ends of the two fixed frames 5 are respectively fixedly connected to two sides of the placing tray 4, through holes are respectively formed in the end faces of the other ends of the two fixed frames 5, threaded rods 6 are horizontally arranged in the two fixed frames 5, the two threaded rods 6 penetrate through the through holes and are respectively connected with a connecting shaft 7, the two connecting shafts 7 are respectively connected with a first gear 8, the two first gears 8 are respectively connected with a second gear 9 in a meshed manner, the two second gears 9 are respectively and horizontally fixedly connected with a bearing shaft 12, and the two bearing shafts 12 are connected through a bearing block 11;
the two second sliding blocks 21 are arranged above the fixed frames 5 respectively, shaft shoulders of the two second sliding blocks 21 are connected with the two fixed frames 5 in a sliding mode, protruding sections of the two second sliding blocks 21 are connected with the outer surfaces of the threaded rods 6 in a threaded mode, connecting rods 13 are connected to opposite sides of the two second sliding blocks 21 respectively, arc-shaped clamping discs 10 are connected to the two connecting rods 13 respectively, the arc-shaped clamping discs 10 are arranged on the upper end faces of the placing discs 4, and the lower end faces of the arc-shaped clamping discs 10 are connected with the upper end faces of the placing discs 4 in a sliding mode.
As shown in fig. 3, the second gear 9 is located outside the housing 1, and the receiving shaft 12 is provided in parallel with the connecting rod 13.
Example 4
The device for detecting the sealing performance of the blowout preventer, as shown in fig. 1, comprises a frame body 1, wherein a placement disc 4 is fixedly connected in the middle of the inner surface of the frame body 1, and two sides of the placement disc 4 are connected with a limiting mechanism 2;
the well plugging device further comprises a detection auxiliary mechanism 3, wherein the detection auxiliary mechanism 3 is matched with the placing disc 4 for detecting the sealing performance of the well plugging device.
As shown in fig. 2, the limiting mechanism 2 comprises two fixed frames 5, the lower surfaces of the two fixed frames 5 are fixedly connected with the inner surface of the frame body 1, one ends of the two fixed frames 5 are respectively fixedly connected to two sides of the placing tray 4, through holes are respectively formed in the end faces of the other ends of the two fixed frames 5, threaded rods 6 are horizontally arranged in the two fixed frames 5, the two threaded rods 6 penetrate through the through holes and are respectively connected with a connecting shaft 7, the two connecting shafts 7 are respectively connected with a first gear 8, the two first gears 8 are respectively connected with a second gear 9 in a meshed manner, the two second gears 9 are respectively and horizontally fixedly connected with a bearing shaft 12, and the two bearing shafts 12 are connected through a bearing block 11;
the two second sliding blocks 21 are arranged above the fixed frames 5 respectively, shaft shoulders of the two second sliding blocks 21 are connected with the two fixed frames 5 in a sliding mode, protruding sections of the two second sliding blocks 21 are connected with the outer surfaces of the threaded rods 6 in a threaded mode, connecting rods 13 are connected to opposite sides of the two second sliding blocks 21 respectively, arc-shaped clamping discs 10 are connected to the two connecting rods 13 respectively, the arc-shaped clamping discs 10 are arranged on the upper end faces of the placing discs 4, and the lower end faces of the arc-shaped clamping discs 10 are connected with the upper end faces of the placing discs 4 in a sliding mode.
As shown in fig. 3, the second gear 9 is located outside the housing 1, and the receiving shaft 12 is provided in parallel with the connecting rod 13.
As shown in fig. 4, the detection auxiliary mechanism 3 includes an upper cover plate 14, two ends of the same diameter of the upper cover plate 14 are respectively provided with square grooves with the same size, the long-directional surface of the square groove of the upper cover plate 14 is provided with a sliding groove 16, two sliding grooves 16 are respectively and slidably connected with a first sliding block 17, arc-shaped limiting blocks 19 are vertically and fixedly connected above the two first sliding blocks 17, the outer surfaces of the two arc-shaped limiting blocks 19 are sleeved with a rotating ring 20, the rotating ring 20 is parallel to the upper cover plate 14, and the rotating ring 20 is in threaded connection with the outer surfaces of the two arc-shaped limiting blocks 19. An arc-shaped clamping plate 18 is vertically fixedly connected below the two first sliding blocks 17 respectively, and the longitudinal section of the arc-shaped clamping plate 18 is L-shaped;
the air vent pipe 15 is further included, a through hole corresponding to the air vent pipe 15 is vertically formed in the center of the upper cover plate 14, and the air vent pipe 15 is inserted into the through hole.
Claims (6)
1. The device for detecting the sealing performance of the blowout preventer is characterized by comprising a frame body (1), wherein a placement disc (4) is fixedly connected to the middle part of the inner surface of the frame body (1), and two sides of the placement disc (4) are connected with limiting mechanisms (2);
the well plugging device further comprises a detection auxiliary mechanism (3), and the detection auxiliary mechanism (3) is matched with the placing disc (4) for detecting the sealing performance of the well plugging device.
2. The blowout preventer sealing performance detection device according to claim 1, wherein the limiting mechanism (2) comprises two fixed frames (5), the lower surfaces of the two fixed frames (5) are fixedly connected with the inner surface of the frame body (1), one ends of the two fixed frames (5) are fixedly connected to two sides of the placing disc (4) respectively, through holes are respectively formed in the end faces of the other ends of the two fixed frames (5), threaded rods (6) are horizontally arranged in the two fixed frames (5), the two threaded rods (6) penetrate through the through holes and are respectively connected with a connecting shaft (7), the two connecting shafts (7) are respectively connected with a first gear (8), the two first gears (8) are respectively connected with a second gear (9) in a meshed mode, the two second gears (9) are respectively and horizontally fixedly connected with a bearing shaft (12), and the two bearing shafts (12) are connected through bearing blocks (11);
the novel arc-shaped clamping disc comprises a fixing frame (5), and is characterized by further comprising two second sliding blocks (21), wherein the longitudinal section of each second sliding block (21) is in an inverted convex shape, the two second sliding blocks (21) are respectively arranged above the fixing frame (5), shaft shoulders of the two second sliding blocks (21) are in sliding connection with the two fixing frames (5), protruding sections of the two second sliding blocks (21) are in threaded connection with the outer surface of the threaded rod (6), connecting rods (13) are respectively connected to opposite sides of the two second sliding blocks (21), arc-shaped clamping discs (10) are respectively connected to the connecting rods (13), the arc-shaped clamping discs (10) are arranged on the upper end faces of the placing discs (4), and the lower end faces of the arc-shaped clamping discs (10) are in sliding connection with the upper end faces of the placing discs (4).
3. The blowout preventer sealing performance detection device according to claim 1, wherein the detection auxiliary mechanism (3) comprises an upper cover plate (14), square grooves with the same size are respectively formed in two ends of the same diameter of the upper cover plate (14), sliding grooves (16) are formed in the length direction surfaces of the square grooves of the upper cover plate (14), first sliding blocks (17) are respectively and slidably connected to the two sliding grooves (16), arc-shaped limiting blocks (19) are vertically fixedly connected above the two first sliding blocks (17), rotating rings (20) are sleeved on the outer surfaces of the two arc-shaped limiting blocks (19), the rotating rings (20) are parallel to the upper cover plate (14), and the rotating rings (20) are in threaded connection with the outer surfaces of the two arc-shaped limiting blocks (19); arc-shaped clamping plates (18) are vertically fixedly connected below the two first sliding blocks (17), and the longitudinal section of each arc-shaped clamping plate (18) is L-shaped;
the novel air conditioner further comprises an air pipe (15), a through hole corresponding to the air pipe (15) is vertically formed in the center of the upper cover plate (14), and the air pipe (15) is inserted into the through hole.
4. The device for detecting the sealing performance of the blowout preventer according to claim 2, wherein through holes corresponding to the connecting shafts (7) are formed on two side surfaces of the frame body (1), and the two first gears (8) are located on the outer side of the frame body (1).
5. A blowout preventer sealing performance detection apparatus according to claim 2, wherein the second gear (9) is located outside the frame (1), and the receiving shaft (12) is arranged in parallel with the connecting rod (13).
6. A blowout preventer sealing performance detection apparatus according to claim 2, wherein two of the arcuate clamping discs (10) are oppositely disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322369422.3U CN220602831U (en) | 2023-08-31 | 2023-08-31 | Sealing performance detection device for blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322369422.3U CN220602831U (en) | 2023-08-31 | 2023-08-31 | Sealing performance detection device for blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220602831U true CN220602831U (en) | 2024-03-15 |
Family
ID=90175460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322369422.3U Active CN220602831U (en) | 2023-08-31 | 2023-08-31 | Sealing performance detection device for blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220602831U (en) |
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2023
- 2023-08-31 CN CN202322369422.3U patent/CN220602831U/en active Active
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