Blowout preventer for petroleum drilling

Abstract

The utility model belongs to the technical field of blowout preventers, and particularly relates to a blowout preventer for petroleum drilling, which comprises a blowout preventer and a bunching device, the surface of the blowout preventer is fixedly connected with a plurality of connecting pieces, and the bottom end of the blowout preventer is fixedly connected with a base; a wire bunching device is arranged on the surface of the blowout prevention piece and comprises a main ring and an auxiliary ring, the surface of the blowout prevention piece is sleeved with the main ring and the auxiliary ring, a supporting plate is fixedly connected to the side wall of the main ring, a plurality of limiting blocks are slidably connected to the inner wall of the supporting plate, and a blocking device is arranged on the surface of the supporting plate and comprises supporting blocks. The bottom end of the supporting block is fixedly connected with the upper surface of the supporting plate, and the surface of the supporting plate is rotationally connected with a stop block located on the side wall of the supporting plate; by arranging the main ring, the auxiliary ring, the supporting plate and the limiting block, a cable can be fixed, meanwhile, the position of the limiting block can be adjusted according to the position of the cable, information paper can be fixed through a cushion block and a clamping block, and therefore the cable can be found conveniently and rapidly.

Description

Technical Field

[0001] The utility model relates to the technical field of blowout preventers, in particular to a blowout preventer for oil drilling. Background Art

[0002] Blowout preventers are used to close the wellhead during oil testing, well repair, and well completion operations to prevent blowout accidents. They combine the functions of full sealing and semi-sealing into one, and have the characteristics of simple structure, easy operation, and high pressure resistance. They are commonly used safety sealing wellhead devices in oil fields to prevent blowouts.

[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when conducting oil drilling, a blowout preventer needs to be installed on the drilling platform, and various cables are connected to the blowout preventer during installation. Since the blowout preventer lacks a cable bundling mechanism, the cables are likely to be entangled after installation, which makes it inconvenient to find specific cables during inspection or maintenance. Therefore, a blowout preventer for oil drilling is proposed to address the above-mentioned problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0005] The utility model adopts the following technical scheme to solve the technical problem: the blowout preventer for oil drilling of the utility model comprises a blowout preventer and a wire harness device, the surface of the blowout preventer is fixedly connected with a plurality of connectors, and the bottom end of the blowout preventer is fixedly connected with a base; the surface of the blowout preventer is provided with a wire harness device, and the wire harness device comprises a main ring and a secondary ring, the main ring and the secondary ring are sleeved on the surface of the blowout preventer, the side wall of the main ring is fixedly connected with a support plate, the inner wall of the support plate is slidably connected with a plurality of limit blocks, after the limit block slides to a suitable position, the cable is inserted into the inner wall of the limit block, and the cable position can be limited by arranging the main ring, the secondary ring, the support plate and the limit block, thereby reducing the situation where the cables are entangled.

[0006] Preferably, a sliding groove is provided on the surface of the support plate, and the inner wall of the sliding groove of the support plate is slidably connected to the surface of the limit block. The limit block and the inner wall of the support plate are threadedly connected with a positioning pin. After the limit block slides to a suitable position, the positioning pin is rotated to the inner wall of the limit block and the support plate, and the positioning pin can limit the position of the limit block.

[0007] Preferably, the side wall of the limit block is fixedly connected with a pad block, and the end of the pad block away from the limit block is fixedly connected with a card block. After the cable is inserted into the inner wall of the limit block, the information paper is inserted into the surface of the pad block and the card block. The pad block and the card block can conveniently fix the cable information paper and facilitate finding the cable.

[0008] Preferably, a plurality of positioning holes are provided on the surface of the support plate, and the inner wall of the positioning hole of the support plate is threadedly connected to the surface of the positioning pin. When the positioning pin rotates, the positioning pin will rotate to the inner wall of the positioning hole of the support plate, and the positioning hole can accommodate the positioning pin.

[0009] Preferably, a blocking device is provided on the surface of the support plate, and the blocking device includes a support block, the bottom end of the support block is fixedly connected to the upper surface of the support plate, the surface of the support plate is rotatably connected with a block, the block is located at the side wall of the support plate, the bottom end of the support plate is fixedly connected with a storage block, the storage block is located directly below the block, the block rotates to the side wall of the support plate, and the block can limit the position of the limit block in the support plate.

[0010] Preferably, the side wall of the block is fixedly connected with a placement block, the inner wall of the placement block is slidably connected with an insertion block, the insertion block is inserted into the inner wall of the storage block, the insertion block is pushed to slide on the inner wall of the placement block, and the insertion block is inserted into the inner wall of the storage block. The angle of the block can be limited by setting the storage block, the placement block and the insertion block.

[0011] The utility model is beneficial in that:

[0012] 1. After the blowout preventer is installed, the utility model aligns the main ring and the secondary ring with the appropriate position of the blowout preventer surface, and then pushes the main ring and the secondary ring, the main ring and the secondary ring are sleeved on the surface of the blowout preventer and fixed, and then inserts the limit block into the inner wall of the slide groove of the support plate, after the limit block slides to the appropriate position, rotates the positioning pin to the inner wall of the limit block and the inner wall of the positioning hole of the support plate, and then inserts the cable into the inner wall of the limit block, and then fixes the cable. After the cable is fixed, insert the information paper into the surface of the top block and the card block. By setting the main ring, the secondary ring, the support plate and the limit block, the cable can be fixed, and the position of the limit block can also be adjusted according to the position of the cable, and the pad block and the card block can fix the information paper, so that it is convenient to quickly find the cable.

[0013] 2. When the utility model needs to use the limit block, the plug block is pushed to be pulled out from the storage block, and then the stop block is rotated to allow the block to rotate on the surface of the support block, and then the limit block is inserted into the inner wall of the support plate. After inserting an appropriate number of limit blocks, the stop block is pushed again to rotate, and the stop block drives the plug block in the placement block to rotate. After the plug block is aligned with the storage block, the plug block is pushed to slide on the inner wall of the storage block, and the plug block is inserted into the inner wall of the placement block. By setting the stop block, the position of the limit block in the support plate can be limited, thereby reducing the situation where the limit block falls off from the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a three-dimensional structural diagram of a blowout preventer in a blowout preventer for oil drilling;

[0016] Figure 2 Blowout preventer for oil drilling Figure 1 A schematic diagram of the structure at A;

[0017] Figure 3 It is a schematic diagram of the side view structure of the blowout preventer in the blowout preventer for oil drilling;

[0018] Figure 4 Blowout preventer for oil drilling Figure 3 Schematic diagram of the structure at point B.

[0019] In the figure: 1. blowout preventer; 2. connector; 3. base; 4. wire harness; 41. main ring; 42. secondary ring; 43. support plate; 44. limit block; 45. slide groove; 46. positioning pin; 47. cushion block; 48. clamping block; 49. positioning hole; 5. blocking device; 51. support block; 52. stopper; 53. storage block; 54. placement block; 55. plug-in block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4As shown, a blowout preventer for oil drilling comprises a blowout preventer 1 and a cable bundle device 4, wherein a plurality of connectors 2 are fixedly connected to the surface of the blowout preventer 1, and a base 3 is fixedly connected to the bottom end of the blowout preventer 1; a cable bundle device 4 is provided on the surface of the blowout preventer 1, and the cable bundle device 4 comprises a main ring 41 and a secondary ring 42, wherein the main ring 41 and the secondary ring 42 are sleeved on the surface of the blowout preventer 1, and a side wall of the main ring 41 is fixedly connected to a support plate 43, and a plurality of limit blocks 44 are slidably connected to the inner wall of the support plate 43; during operation, a variety of cables are required to be used, and before the cables are installed, the main ring 41 and the secondary ring 42 are sleeved on the surface of the blowout preventer 1 to be fixed, and then the limit block 44 is pushed to make the limit block 44 slide on the inner wall of the support plate 43, and after the limit block 44 slides to a suitable position, the cable is inserted into the inner wall of the limit block 44, and the cable position can be limited by setting the main ring 41, the secondary ring 42, the support plate 43 and the limit block 44, thereby reducing the situation where the cables are entangled.

[0022] A sliding groove 45 is provided on the surface of the support plate 43, and the inner wall of the sliding groove 45 of the support plate 43 is slidably connected to the surface of the limit block 44, and the inner wall of the limit block 44 and the support plate 43 are threadedly connected with a positioning pin 46; when working, the limit block 44 will slide on the inner wall of the sliding groove 45 of the support plate 43, and after the limit block 44 slides to a suitable position, the positioning pin 46 is rotated to the inner wall of the limit block 44 and the support plate 43, and the positioning pin 46 can limit the position of the limit block 44.

[0023] The side wall of the limit block 44 is fixedly connected with a cushion block 47, and the end of the cushion block 47 away from the limit block 44 is fixedly connected with a card block 48; when working, the information paper is inserted into the surface of the cushion block 47 and the card block 48, and the cushion block 47 and the card block 48 can conveniently disclose the cable information and facilitate the search for cables.

[0024] The support plate 43 has a plurality of positioning holes 49 on its surface, and the inner walls of the positioning holes 49 of the support plate 43 are threadedly connected to the surfaces of the positioning pins 46 . During operation, the positioning pins 46 rotate to the inner walls of the positioning holes 49 of the support plate 43 , and the positioning holes 49 are opened to accommodate the positioning pins 46 .

[0025] The surface of the support plate 43 is provided with a blocking device 5, and the blocking device 5 includes a support block 51, the bottom end of the support block 51 is fixedly connected to the upper surface of the support plate 43, the surface of the support plate 43 is rotatably connected with a blocking block 52, and the blocking block 52 is located on the side wall of the support plate 43, and the bottom end of the support plate 43 is fixedly connected with a storage block 53, and the storage block 53 is located directly below the blocking block 52; when working, the blocking block 52 is rotated to allow the blocking block 52 to rotate on the surface of the support block 51, and the blocking block 52 rotates to the side wall of the support plate 43, and the blocking block 52 can limit the position of the limit block 44 in the support plate 43.

[0026] The side wall of the stopper 52 is fixedly connected with a placement block 54, and the inner wall of the placement block 54 is slidably connected with an insertion block 55, and the insertion block 55 is inserted into the inner wall of the storage block 53; when working, the stopper 52 will drive the placement block 54 and the insertion block 55 to rotate, and after the insertion block 55 is aligned with the storage block 53, the insertion block 55 is pushed to make the insertion block 55 slide on the inner wall of the placement block 54, and the insertion block 55 is inserted into the inner wall of the storage block 53. By setting the storage block 53, the placement block 54 and the insertion block 55, the angle of the stopper 52 can be limited.

[0027] Working principle, after the blowout preventer 1 is installed, align the main ring 41 and the secondary ring 42 with the appropriate position on the surface of the blowout preventer 1, and then push the main ring 41 and the secondary ring 42, the main ring 41 and the secondary ring 42 are sleeved on the surface of the blowout preventer 1 and fixed, and then insert the limit block 44 into the inner wall of the slide groove 45 of the support plate 43, after the limit block 44 slides to the appropriate position, rotate the positioning pin 46 to the inner wall of the limit block 44 and the inner wall of the positioning hole 49 of the support plate 43, and then insert the cable into the inner wall of the limit block 44, and then fix the cable. After the cable is fixed, insert the information paper into the surface of the top block and the card block 48. By setting the main ring 41, the secondary ring 42, the support plate 43 and the limit block 44, the cable can be fixed, and the position of the limit block 44 can also be adjusted according to the position of the cable. The pad block 47 and the card block 48 can fix the information paper, so as to facilitate the quick search for cables; when the limit block 44 is needed, the plug block 55 is pushed to pull the plug block 55 out of the storage block 53, and then the stop block 52 is rotated to allow the stop block 52 to rotate on the surface of the support block 51, and then the limit block 44 is inserted into the inner wall of the support plate 43. After inserting an appropriate number of limit blocks 44, the stop block 52 is pushed again to rotate, and the stop block 52 drives the plug block 55 in the placement block 54 to rotate. After the plug block 55 is aligned with the storage block 53, the plug block 55 is pushed to slide on the inner wall of the storage block 53, and the plug block 55 is inserted into the inner wall of the placement block 54. By setting the stop block 52, the position of the limit block 44 in the support plate 43 can be limited, thereby reducing the situation where the limit block 44 falls off from the support plate 43.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A blowout preventer for oil drilling, comprising a blowout preventer (1) and a wire harness device (4), wherein a plurality of connectors (2) are fixedly connected to the surface of the blowout preventer (1), and a base (3) is fixedly connected to the bottom end of the blowout preventer (1); characterized in that: The surface of the blowout preventer (1) is provided with a wire harness device (4), the wire harness device (4) comprising a main ring (41) and a secondary ring (42), the main ring (41) and the secondary ring (42) being sleeved on the surface of the blowout preventer (1), the side wall of the main ring (41) being fixedly connected to a support plate (43), and the inner wall of the support plate (43) being slidably connected to a plurality of limit blocks (44).

2. The blowout preventer for oil drilling according to claim 1, characterized in that: A sliding groove (45) is provided on the surface of the support plate (43); the inner wall of the sliding groove (45) of the support plate (43) is slidably connected to the surface of the limit block (44); and a positioning pin (46) is threadedly connected between the limit block (44) and the inner wall of the support plate (43).

3. The blowout preventer for oil drilling according to claim 1, characterized in that: A cushion block (47) is fixedly connected to the side wall of the limit block (44), and a clamping block (48) is fixedly connected to one end of the cushion block (47) away from the limit block (44).

4. The blowout preventer for oil drilling according to claim 2, characterized in that: A plurality of positioning holes (49) are provided on the surface of the support plate (43), and the inner walls of the positioning holes (49) of the support plate (43) are threadedly connected to the surfaces of the positioning pins (46).

5. The blowout preventer for oil drilling according to claim 1, characterized in that: A blocking device (5) is provided on the surface of the support plate (43), and the blocking device (5) comprises a support block (51), the bottom end of the support block (51) is fixedly connected to the upper surface of the support plate (43), the surface of the support plate (43) is rotatably connected to a blocking block (52), the blocking block (52) is located on the side wall of the support plate (43), and the bottom end of the support plate (43) is fixedly connected to a storage block (53), and the storage block (53) is located directly below the blocking block (52).

6. The blowout preventer for oil drilling according to claim 5, characterized in that: The side wall of the stopper (52) is fixedly connected to a placement block (54), the inner wall of the placement block (54) is slidably connected to an insertion block (55), and the insertion block (55) is inserted into the inner wall of the storage block (53).

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