Wellhead falling object prevention device for drilling engineering

Abstract

The utility model discloses a well mouth anti-falling device for drilling engineering, and particularly relates to the technical field of oil drilling, the well mouth anti-falling device comprises a connecting ring, an anti-falling device is installed in the connecting ring, the anti-falling device comprises an adjusting unit and a locking unit, the locking unit is installed at the top of the connecting ring, and the adjusting unit is connected with the locking unit. The adjusting unit is installed on the side face of the connecting ring. According to the wellhead falling object preventing device for the drilling engineering, the locking unit is installed, so that the top cover is turned over around the first turning shaft, the top cover is further closed, the locking block is further aligned with the locking box, the locking column is further inserted into the locking block, compression is further conducted through the spring, and the locking block is locked. And the rotating shaft is turned over to enter the turning groove, so that when the turning groove is located below the lock box, the top cover is locked, and articles are prevented from falling into the well mouth.

Description

Technical Field

[0001] The utility model relates to the technical field of oil drilling, in particular to a wellhead anti-falling object device used in drilling engineering. Background Art

[0002] An oil well is a hole drilled by drilling methods. Generally, after the oil well reaches the oil layer, the oil layer casing is lowered, and oil well cement is injected into the annular space between the casing and the well wall to protect the well wall and seal the oil, gas and water layers. Then, according to the requirements of oil field development, the oil layer is perforated with a perforating gun to form a channel, and the oil pipe is lowered. Using appropriate flow induction methods, the oil is raised from the bottom of the oil well to the wellhead.

[0003] In the patent document with publication number CN 219654666 U3, a wellhead anti-falling object device for drilling engineering is disclosed, in which a cover plate seat is pre-fixed to the wellhead by screwing, and a movable ring plate is elastically and movably installed on the top of the cover plate seat, which can protect the movable ring plate and machinery and avoid damage caused by hard collision. Four groups of movable cover plates are openably installed on the movable ring plate. The four movable cover plates can be flexibly opened or closed, which can seal the wellhead, prevent debris from falling into the well, and improve the convenience of opening and closing the cover plates.

[0004] However, the overall installation and fixing of the device and the locking of the cover door need to be improved.

[0005] Therefore, we propose a wellhead falling object prevention device for drilling engineering to solve the above problems. Utility Model Content

[0006] The main purpose of the utility model is to provide a wellhead falling object prevention device for drilling engineering, which can effectively solve the above problems.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A wellhead anti-falling device for drilling engineering, comprising a connecting ring, an anti-falling device installed inside the connecting ring, the anti-falling device comprising an adjusting unit and a locking unit, the locking unit being installed on the top of the connecting ring, and the adjusting unit being installed on the side of the connecting ring;

[0009] The locking unit includes a fixed block, a flip axis 1, a top cover, a handle, a locking block, a lock box, a top plate, a lock column, a movable block, a rotating axis, a spring, and a flip groove. The fixed block is fixedly connected to the top of the connecting ring, the flip axis 1 is movably connected to the inside of the fixed block, the top cover is connected to the outer surface of the flip axis 1, the handle is fixedly connected to the top of the top cover, the locking block is fixedly connected to the front side of the top cover, the lock box is fixedly connected to the front side of the connecting ring, the lock column is movably connected to the inside of the lock box, the top of the lock column is fixedly connected with a top plate, the rotating axis is connected to the inside of the lock column, the flip groove is opened in the inside of the lock column, the movable block is fixedly connected to the outer surface of the rotating axis, and the spring is fixedly connected to the inside of the flip groove.

[0010] Preferably, the adjustment unit includes an adjustment shell, a mounting groove, a hydraulic rod, and an adjustment plate, the adjustment shell is fixedly connected to the side of the connecting ring, the mounting groove is opened inside the adjustment shell, the hydraulic rod is fixedly connected to the inside of the mounting groove, and the adjustment plate is fixedly connected to the output shaft of the hydraulic rod.

[0011] Preferably, a delivery slot is provided at the top of the connecting ring, a second flip shaft is installed inside the delivery slot, a delivery plate is movably connected to the outer surface of the second flip shaft, and a delivery slot is fixedly connected to the inside of the delivery slot.

[0012] Preferably, the limiting plate surrounds the inner bottom end of the delivery slot, and the area of ​​the middle gap of the limiting plate is smaller than the area of ​​the delivery plate.

[0013] Preferably, one end of the spring is fixedly connected to the interior of the lock column, and the other end of the spring is fixedly connected to the movable block.

[0014] Preferably, a door handle is installed on the top of the delivery plate.

[0015] Preferably, anti-slip grooves are provided on the inner side of the adjustment plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. By installing the locking unit, the top cover is flipped around the flip axis 1, and the top cover is further closed, so that the locking block is further aligned with the lock box, and the locking column is further inserted into the interior of the lock block and further compressed by the spring, so that the rotating shaft is flipped into the flip groove, so that when the flip groove is located below the lock box, the top cover is locked to prevent objects from falling into the wellhead.

[0018] 2. By installing the adjustment unit, the connecting ring is further placed at the wellhead of the drilling project. By placing the connecting ring on the wellhead, the hydraulic rod is further started, and the hydraulic rod pushes the adjustment plate to start moving inward, so that the adjustment plate is further contacted and fixed with the edge of the wellhead, thereby completing the installation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the regulating unit of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the lock cylinder of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the delivery trough of the utility model.

[0024] In the figure: 101, connecting ring; 201, fixing block; 202, turning axis 1; 203, top cover; 204, handle; 205, locking block; 206, lock box; 207, top plate; 208, locking column; 209, movable block; 210, rotating shaft; 211, spring; 212, turning slot; 301, turning axis 2; 302, limiting plate; 303, delivery slot; 304, delivery plate; 401, adjusting shell; 402, mounting slot; 403, hydraulic rod; 404, adjusting plate. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1-5 As shown, a wellhead anti-falling device for drilling engineering includes a connecting ring 101, an anti-falling device is installed inside the connecting ring 101, and the anti-falling device includes an adjusting unit and a locking unit. The locking unit is installed on the top of the connecting ring 101, and the adjusting unit is installed on the side of the connecting ring 101;

[0027] The locking unit includes a fixed block 201, a flip axis 202, a top cover 203, a handle 204, a locking block 205, a lock box 206, a top plate 207, a lock column 208, a movable block 209, a rotating shaft 210, a spring 211, and a flip groove 212. The fixed block 201 is fixedly connected to the top of the connecting ring 101, the flip axis 202 is movably connected to the inside of the fixed block 201, the top cover 203 is connected to the outer surface of the flip axis 202, the handle 204 is fixedly connected to the top of the top cover 203, the locking block 205 is fixedly connected to the front of the top cover 203, the lock box 206 is fixedly connected to the front of the connecting ring 101, the lock column 208 is movably connected to the inside of the lock box 206, the top of the lock column 208 is fixedly connected to the top plate 207, the rotating shaft 21 0 is connected to the inside of the lock column 208, the flip groove 212 is opened in the lock column 208, the movable block 209 is fixedly connected to the outer surface of the rotating shaft 210, and the spring 211 is fixedly connected to the inside of the flip groove 212. By installing the locking unit, the top cover 203 is flipped around the flip axis 202, and the top cover 203 is further closed, so that the locking block 205 is further aligned with the lock box 206, and the lock column 208 is further inserted into the lock block 205, and the spring 211 is further compressed, so that the rotating shaft 210 is flipped into the flip groove 212, so that when the flip groove 212 is located below the lock box 206, the top cover 203 is locked to prevent objects from falling into the wellhead.

[0028] The adjusting unit includes an adjusting shell 401, a mounting groove 402, a hydraulic rod 403, and an adjusting plate 404. The adjusting shell 401 is fixedly connected to the side of the connecting ring 101, the mounting groove 402 is opened inside the adjusting shell 401, the hydraulic rod 403 is fixedly connected to the inside of the mounting groove 402, and the adjusting plate 404 is fixedly connected to the output shaft of the hydraulic rod 403. By installing the adjusting unit, the connecting ring 101 is further placed at the wellhead of the drilling project. By placing the connecting ring 101 on the wellhead, and further starting the hydraulic rod 403, the hydraulic rod 403 pushes the adjusting plate 404 to start moving inward, so that the adjusting plate 404 is further contacted and fixed with the edge of the wellhead, thereby completing the installation of the device.

[0029] A delivery slot 303 is provided on the top of the connecting ring 101, and a flip shaft 2 301 is installed inside the delivery slot 303. A delivery plate 304 is movably connected to the outer surface of the flip shaft 2 301, and a delivery slot 303 is fixedly connected inside the delivery slot 303. By rotating the delivery plate 304, the delivery plate 304 is rotated around the flip shaft 2 301, so that the delivery plate 304 is opened, so that the delivery slot 303 can be used to deliver materials, thereby improving the convenience of the device.

[0030] The limiting plate 302 surrounds the inner bottom end of the delivery slot 303 , and the area of ​​the middle gap of the limiting plate 302 is smaller than the area of ​​the delivery plate 304 , so that the delivery plate 304 is limited and supported by installing the limiting plate 302 .

[0031] One end of the spring 211 is fixedly connected to the inside of the lock column 208, and the other end of the spring 211 is fixedly connected to the movable block 209, so that the movable block 209 can enter the inside of the flip groove 212 by being compressed by the spring 211, and is further restored by the spring 211, so that the spring 211 pushes the movable block 209 to extend out of the flip groove 212.

[0032] A door opening handle is installed on the top of the delivery plate 304, so that the door opening handle can be installed and further held by hand to complete the process of opening the door.

[0033] The inner side of the adjustment plate 404 is provided with anti-skid grooves, so that the friction between the adjustment plate 404 and the edge of the wellhead is further increased by providing the anti-skid grooves, thereby making the device installation more secure.

[0034] The working principle of the utility model is as follows: the connecting ring 101 is placed at the wellhead of the drilling project, and the connecting ring 101 is placed on the wellhead, and the hydraulic rod 403 is further started, and the hydraulic rod 403 pushes the adjusting plate 404 to start moving inward, so that the adjusting plate 404 is further contacted and fixed with the edge of the wellhead, so as to complete the installation of the device, and the top cover 203 is turned around the turning axis 202, and the top cover 203 is further closed, so that the locking block 205 is further aligned with the locking box 206, and further through By inserting the lock column 208 into the interior of the lock block 205 and further compressing it through the spring 211, the rotating shaft 210 is flipped into the interior of the flip groove 212, so that when the flip groove 212 is located below the lock box 206, the top cover 203 is locked to prevent objects from falling into the wellhead, and the delivery plate 304 is rotated so that the delivery plate 304 rotates around the flip axis 2 301, thereby opening the delivery plate 304, so that the delivery groove 303 can be used to deliver materials, thereby improving the convenience of the device.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. 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, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A wellhead falling object prevention device for drilling engineering, comprising a connecting ring (101), characterized in that: An anti-drop device is installed inside the connecting ring (101), and the anti-drop device comprises an adjusting unit and a locking unit, wherein the locking unit is installed on the top of the connecting ring (101), and the adjusting unit is installed on the side of the connecting ring (101); The locking unit comprises a fixed block (201), a flip shaft (202), a top cover (203), a handle (204), a locking block (205), a lock box (206), a top plate (207), a locking column (208), a movable block (209), a rotating shaft (210), a spring (211), and a flip groove (212); the fixed block (201) is fixedly connected to the top of the connecting ring (101); the flip shaft (202) is movably connected to the inside of the fixed block (201); the top cover (203) is connected to the outer surface of the flip shaft (202); the handle (204) is fixedly connected to the top cover (205), and the flip shaft (202) is movably connected to the inside of the fixed block (201). 03), the locking block (205) is fixedly connected to the front of the top cover (203), the locking box (206) is fixedly connected to the front of the connecting ring (101), the locking column (208) is movably connected to the inside of the locking box (206), the top of the locking column (208) is fixedly connected with a top plate (207), the rotating shaft (210) is connected to the inside of the locking column (208), the flip groove (212) is opened in the inside of the locking column (208), the movable block (209) is fixedly connected to the outer surface of the rotating shaft (210), and the spring (211) is fixedly connected to the inside of the flip groove (212).

2. The wellhead falling object prevention device for drilling engineering according to claim 1 is characterized in that: The adjustment unit comprises an adjustment housing (401), a mounting groove (402), a hydraulic rod (403), and an adjustment plate (404); the adjustment housing (401) is fixedly connected to the side of the connecting ring (101); the mounting groove (402) is opened inside the adjustment housing (401); the hydraulic rod (403) is fixedly connected to the inside of the mounting groove (402); and the adjustment plate (404) is fixedly connected to the output shaft of the hydraulic rod (403).

3. The wellhead falling object prevention device for drilling engineering according to claim 1 is characterized in that: The top of the connecting ring (101) is provided with a delivery groove (303), a second turning shaft (301) is installed inside the delivery groove (303), a delivery plate (304) is movably connected to the outer surface of the second turning shaft (301), and the delivery groove (303) is fixedly connected inside the delivery groove (303).

4. The wellhead falling object prevention device for drilling engineering according to claim 3 is characterized in that: It comprises a limiting plate (302), wherein the limiting plate (302) surrounds the inner bottom end of the delivery slot (303), and the area of ​​the middle gap of the limiting plate (302) is smaller than the area of ​​the delivery plate (304).

5. The wellhead falling object prevention device for drilling engineering according to claim 1 is characterized in that: One end of the spring (211) is fixedly connected to the inside of the locking column (208), and the other end of the spring (211) is fixedly connected to the movable block (209).

6. The device for preventing falling objects from a wellhead used in a drilling project according to claim 3 is characterized in that: A door opening handle is installed on the top of the delivery plate (304).

7. The wellhead falling object prevention device for drilling engineering according to claim 2 is characterized in that: The inner side of the adjustment plate (404) is provided with anti-slip grooves.

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