Casing head quality detection device

Abstract

The utility model discloses a casing head quality detection device. The device comprises a supporting assembly; the bearing piece is used for being connected with a casing head shell, and the two ends of the bearing piece are rotationally connected with the supporting assembly; and the worm speed reducer is connected to the supporting assembly, the output end of the worm speed reducer is connected with the bearing piece, and the worm speed reducer rotates to drive the casing head shell on the bearing piece to rotate in one direction so as to expose the bottom of the shell to conduct thread detection or assist in taking out a plug in the shell. According to the casing head quality detection device, flexible rotation of the casing head shell can be realized, a hovering state is ensured during detection operation, the operation safety is relatively high, the labor intensity is reduced, time and labor are saved, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casing head detection equipment, and more specifically to a casing head quality detection device. Background Art

[0002] During the quality control inspection of the casing head shell, the strength pressure test and the bottom thread inspection of the shell are the necessary inspection items for quality inspection. Among them, the strength pressure test is to pre-install a plug inside the shell to prevent pressure leakage, the test pressure is 50MPa~105MPa, and then remove the plug from the opposite direction after the test is completed; the bottom thread inspection is to turn the casing head shell over to expose the bottom thread inspection.

[0003] In the related art, the casing head shell is usually heavy, and the strength pressure test and the detection of the bottom thread of the shell need to use the crane to lift the casing head shell on one side, and then manually knock to block or inspect the bottom thread. The overall safety risk is high, the manual workload is large, and the work efficiency is low.

[0004] In summary, how to provide a test device that is convenient for casing head strength pressure testing and bottom thread detection is a problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide a casing head quality inspection device, which can realize the flexible rotation of the casing head shell and ensure the hovering state during the inspection operation, with higher operation safety, reduced labor intensity, time and labor saving, and improved inspection efficiency.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A casing head quality detection device, comprising:

[0008] Support components;

[0009] A supporting member, used to be connected to the casing head housing and both ends of the supporting member are rotatably connected to the supporting assembly;

[0010] A worm reducer is connected to the support assembly and its output end is connected to the support member. The worm reducer rotates to drive the casing head shell on the support member to rotate unidirectionally to expose the bottom of the shell for thread detection or to assist in removing blockage inside the shell.

[0011] Preferably, the worm reducer comprises a hand wheel, and the hand wheel rotates to drive the casing head housing on the supporting member to rotate.

[0012] Preferably, the support assembly includes a base and two columns symmetrically arranged on the base, and each of the columns is connected to the supporting member via a bearing.

[0013] Preferably, the output end of the worm reducer is connected to a connecting shaft, and the connecting shaft passes through any of the columns and is rotatably connected to the correspondingly connected bearing.

[0014] Preferably, a jack is provided on the base, and when the worm reducer rotates to drive the casing head housing on the supporting member to rotate to a horizontal position, the jack operates to eject the blockage inside the casing head housing.

[0015] Preferably, one end of the bearing is rotatably connected to the column, and the other end of the bearing is welded to the supporting member.

[0016] Preferably, a fixing member is provided on the supporting member, and the fixing member is used to fix the flange of the casing head housing to the supporting member.

[0017] Preferably, the middle portion of the supporting member is a hollow area to facilitate connection with the casing head housing.

[0018] The utility model provides a casing head quality inspection device, comprising a supporting assembly, a supporting member, and a worm reducer, wherein the supporting member is used to connect with the casing head shell and both ends of the supporting member are rotatably connected to the supporting assembly, the worm reducer is connected to the supporting assembly and its output end is connected to the supporting member, the rotation of the worm reducer can drive the casing head shell on the supporting member to rotate in one direction, and when the worm reducer has no power and does not rotate, the casing head shell can be suspended at any position to expose the bottom of the shell for thread inspection or to flip the casing head shell to remove the blockage inside the shell, and these two states correspond to the bottom thread inspection and strength pressure inspection of the casing head shell, the casing head shell will not move during the above process, the operation safety is high, and the setting of the worm reducer can reduce manpower, reduce labor intensity, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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 in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the structure of the casing head quality detection device provided by the utility model;

[0021] Figure 2 for Figure 1 Schematic diagram from another perspective;

[0022] Figure 3 A schematic diagram of the casing head quality detection device provided by the utility model in a disassembled and blocked state;

[0023] Figure 4 A schematic diagram of the bottom thread inspection state of the casing head quality inspection device provided by the utility model;

[0024] Figure 5 This is another schematic diagram of the bottom thread inspection state of the casing head quality inspection device provided by the utility model.

[0025] Figure 1-Figure 5 , the reference numerals include:

[0026] Support assembly 1, worm reducer 2, supporting member 3, bearing 4, connecting shaft 5, jack 6, casing head housing 7, base 11, column 12, hand wheel 21, fixing member 31. DETAILED DESCRIPTION

[0027] 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.

[0028] The core of the utility model is to provide a casing head quality detection device, which can realize the flexible rotation of the casing head shell and ensure the hovering state during the detection operation, with high operation safety, reduced labor intensity, time and labor saving, and improved detection efficiency.

[0029] The utility model provides a casing head quality detection device, wherein the casing head is used to fix the wellhead of the drilling well, to support the gravity of the technical casing and the oil layer casing, and to seal the annular space between the layers of the casing.

[0030] The casing head quality inspection device includes a support assembly 1, a support member 3 and a worm reducer 2, wherein the support assembly 1 is the support of the inspection device, providing installation space and reliable support for the installation of various components. The specific structural form is not limited, and it only needs to have good strength and ensure good stability. Please refer to Figure 1 , Figure 2 .

[0031] Please refer to Figure 3 , Figure 4The supporting member 3 is used to connect with the casing head housing 7, and both ends of the supporting member 3 are rotatably connected with the support assembly 1. The supporting member 3 and the casing head housing 7 are detachably connected, and the specific method is not limited, as long as the two are reliably connected.

[0032] Optionally, both ends of the supporting member 3 are rotatably connected to the supporting assembly 1 , that is, when the supporting member 3 rotates to rotate the casing head housing 7 , the supporting assembly 1 is fixed and the supporting member 3 is rotatable relative to the supporting assembly 1 .

[0033] Optionally, the supporting member 3 may be round, square, or special-shaped, etc., and may be flexibly designed according to actual application conditions without limitation.

[0034] The worm reducer 2 is connected to the support assembly 1, and can make use of the connecting plate, support parts and the like to ensure the stability and reliability of the worm reducer 2 during operation. Furthermore, the output end of the worm reducer 2 is connected to the supporting member 3, and the worm reducer 2 rotates to drive the supporting member 3 to rotate relative to the support assembly 1, so as to realize the rotation of the sleeve head shell 7 connected to the supporting member 3. Due to the unidirectional output effect of the worm of the worm reducer 2 itself, the sleeve head shell 7 can be rotated to any position and hovered for quality inspection operations.

[0035] For details, please refer to Figure 4 , Figure 5 When the bottom thread of the casing head shell is inspected, the worm reducer 2 rotates to make the casing head shell 7 have a certain inclination angle, so that the bottom leaks out, giving the bottom thread enough space for inspection, facilitating the inspection of the internal thread condition, ensuring the safety of the inspection while improving the operation efficiency.

[0036] Please refer to Figure 3 When the strength and pressure test of the casing head is carried out, a plug is pre-installed in the casing head shell 7. After the test is completed, the worm reducer 2 rotates to turn the casing head shell 7 as a whole, and the plug can be removed from the opposite direction. It can be operated by one person without wasting manpower, saving working time and having high working safety.

[0037] The above-mentioned casing head quality inspection device can fix the casing head shell and can realize 360° free rotation, and can hover at any rotation angle, which is convenient for casing head strength pressure testing and bottom thread detection tests to carry out inspection operations, ensure the safety of inspection operations, save time and effort, and improve work efficiency.

[0038] In addition, the use of the worm reducer 2 can greatly reduce manpower, reduce labor intensity, save time and effort, improve work efficiency, avoid the risk of overturning due to unilateral lifting of the crane, and ensure the safety of the detection operation.

[0039] Preferably, the worm reducer 2 is manually operated, but automated operation is also within the protection scope of this application.

[0040] The above-mentioned casing head quality inspection device includes a supporting assembly 1, a supporting member 3, and a worm reducer 2, wherein the supporting member 3 is used to connect with the casing head shell 7 and both ends of the supporting member 3 are rotatably connected to the supporting assembly 1, the worm reducer 2 is connected to the supporting assembly 1 and its output end is connected to the supporting member 3, the rotation of the worm reducer 2 can drive the casing head shell 7 on the supporting member 3 to rotate in one direction, and when the worm reducer 2 has no power and does not rotate, the casing head shell 7 can be suspended at any position, so that the bottom of the shell is exposed for thread inspection operation or the casing head shell is turned over to remove the blockage inside the shell. These two states correspond to the bottom thread inspection and strength pressure inspection of the casing head shell. During the above process, the casing head shell will not move, the operation safety is relatively high, and the setting of the worm reducer can reduce manpower, reduce labor intensity, and improve work efficiency.

[0041] On the basis of the above-mentioned embodiment, the worm reducer 2 comprises a hand wheel 21 , and the hand wheel 21 rotates to drive the casing head housing 7 on the supporting member 3 to rotate.

[0042] Please refer to Figure 1 , Figure 3 , Figure 4 The worm reducer 2 includes a handwheel 21, and the rotation of the handwheel 21 provides power for the rotation of the supporting member 3, driving the supporting member 3 to rotate accordingly to achieve the flipping of the casing head shell 7. In addition, due to the unidirectional output of the worm, when the handwheel 21 no longer rotates, the casing head shell 7 on the supporting member 3 can be suspended at any angle to perform safe and fast targeted quality inspection operations.

[0043] Optionally, the hand wheel 21 may be provided with anti-skid patterns, a protective cover, etc.

[0044] On the basis of any of the above embodiments, the support assembly 1 includes a base 11 and two columns 12 symmetrically arranged on the base 11 , and each column 12 is connected to the supporting member 3 via a bearing 4 .

[0045] Please refer to Figure 1 , Figure 2 The base 11 and two columns 12 symmetrically arranged thereon together constitute the support assembly 1 , the bottoms of the two columns 12 are connected to the base 11 , and the tops of the two columns 12 are connected to the supporting member 3 through the bearing 4 .

[0046] It should be noted that the connection between the bearing 4 and the supporting member 3 is a fixed connection, preferably welding, while the connection between the bearing 4 and the column 12 is a rotational connection, and the specific method of realizing the rotational connection can be coordinated with a pin shaft, a rotating shaft, etc.

[0047] Preferably, the column 12 is a triangular structure with good stability, and a plurality of groups of reinforcing ribs may be provided between the column 12 and the base 11 to ensure the reliability and stability of the column 12 .

[0048] On the basis of any of the above embodiments, the output end of the worm reducer 2 is connected to a connecting shaft 5 , which passes through any column 12 and is rotatably connected to a correspondingly connected bearing 4 .

[0049] Please refer to Figure 2 The hand wheel 21 rotates to drive the connecting shaft 5 connected to the output end of the worm reducer 2 to rotate. The connecting shaft 5 passes through any one of the two columns 12 and passes through the bearing 4 corresponding to the column 12 to realize power transmission.

[0050] Specifically, the hand wheel 21 rotates and transmits power to the bearing 4 on the supporting member 3 close to the worm reducer 2 through the connecting shaft 5, so as to drive the supporting member 3 to rotate relative to the supporting assembly 1.

[0051] Optionally, a bearing may be provided between the connecting shaft 5 and the column 12 to ensure reliable transmission of power of the connecting shaft 5 .

[0052] On the basis of any of the above embodiments, a jack 6 is provided on the base 11 , and when the worm reducer 2 rotates to drive the casing head housing 7 on the supporting member 3 to rotate to a horizontal position, the jack 6 operates to eject the blockage inside the casing head housing 7 .

[0053] Please refer to Figure 3 The jack 6 in this embodiment is a high-power jack, which can meet the use requirements of ejecting the blockage in the casing head shell 7.

[0054] When the worm reducer 2 drives the sleeve head housing 7 on the supporting part 3 to flip to a horizontal position, it should be noted that the position at this time is in the other direction opposite to the plugging direction. By repeatedly pressing the push-button 7, the blockage can be easily ejected. One person can complete the disassembly operation, reducing the amount of labor, saving time and effort, and improving work efficiency.

[0055] When it is necessary to carry out the dismantling and blocking operation, the jack 6 is placed on the base 11 and is arranged opposite to the casing head housing 7. When the bottom thread detection operation is carried out, the jack 6 can be moved away.

[0056] On the basis of any of the above embodiments, one end of the bearing 4 is rotatably connected to the column 12 , and the other end of the bearing 4 is welded to the supporting member 3 .

[0057] Please refer to Figure 2 One end of the bearing 4 is welded to the supporting member 3, and the other end is rotatably connected to the column 12 to ensure the reliability of the supporting member 3 when rotating.

[0058] The bearing 4 close to the worm reducer 2 is rotatably connected to the column 12 via the connecting shaft 5 , and the bearing 4 away from the worm reducer 2 is preferably rotatably connected to the column 12 via a rotating shaft consistent with the connecting shaft 5 .

[0059] It should be noted that the welded portion between the bearing 4 and the supporting member 3 does not contact the inner ring thereof and does not affect the normal operation of the bearing 4 .

[0060] Optionally, a retractable support member may be provided at the bottom of the supporting member 3. When the supporting member 3 drives the sleeve head shell 7 to flip, a retractable operation may be performed accordingly. The supporting member further provides support for the supporting member 3 to ensure the service life of the supporting member 3 and its reliable operation. The supporting member does not interfere with the installation of the sleeve head shell 7.

[0061] On the basis of any of the above embodiments, a fixing member 31 is provided on the supporting member 3 , and the fixing member 31 is used to fix the flange of the casing head housing 7 to the supporting member 3 .

[0062] Please refer to Figure 1 , Figure 5 The supporting member 3 arranged on the supporting member 3 can be a fixing pin, a high-strength bolt, etc., and multiple supporting members can be arranged on the circumference of the supporting member 3 to ensure the reliable connection between the supporting member 3 and the flange of the casing head shell 7, and ensure the firm fixing effect of the casing head shell 7.

[0063] It should be noted that the fixing member 31 is arranged at a position to avoid interference with the bearing 4, so as to ensure that the casing head housing 7 is reliably fixed without affecting the normal operation of other components.

[0064] Preferably, four sets of fixing members 31 are symmetrically arranged at the upper and lower ends of the supporting member 3 , and bearings 4 are arranged at both the left and right ends of the supporting member 3 .

[0065] On the basis of any of the above embodiments, the middle part of the supporting member 3 is a hollow area to facilitate the connection with the casing head housing 7. If the supporting member 3 is circular, the diameter must be larger than the diameter of the casing head housing 7. The upper flange of the casing head housing 7 is fixed to the circumference of the supporting member 3, and the lower part passes through the hollow area to form a reliable connection with the supporting member 3.

[0066] The middle area of ​​the supporting member 3 does not need to be set too large while meeting the requirement of the bottom of the casing head shell 7 passing through, thereby ensuring the overall strength of the supporting member 3 and its service life.

[0067] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0068] The above is a detailed introduction to a casing head quality inspection device provided by the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A casing head quality inspection device, characterized in that: include: Support assembly (1); A supporting member (3) used for connecting to the casing head housing (7), and both ends of the supporting member (3) are rotatably connected to the supporting assembly (1); A worm reducer (2) is connected to the support assembly (1) and its output end is connected to the support member (3). The worm reducer (2) rotates to drive the casing head housing (7) on the support member (3) to rotate unidirectionally, so as to expose the bottom of the housing for thread detection or to assist in removing blockage inside the housing.

2. The casing head quality inspection device according to claim 1, characterized in that: The worm reducer (2) comprises a hand wheel (21), and the hand wheel (21) rotates to drive the casing head housing (7) on the supporting member (3) to rotate.

3. The casing head quality inspection device according to claim 2, characterized in that: The support assembly (1) comprises a base (11) and two upright posts (12) symmetrically arranged on the base (11), and each upright post (12) is connected to the supporting member (3) via a bearing (4).

4. The casing head quality inspection device according to claim 3, characterized in that: The output end of the worm reducer (2) is connected to a connecting shaft (5), and the connecting shaft (5) passes through any one of the columns (12) and is rotationally connected to the correspondingly connected bearing (4).

5. The casing head quality inspection device according to claim 4, characterized in that: A jack (6) is provided on the base (11), and when the worm reducer (2) rotates to drive the casing head housing (7) on the supporting member (3) to rotate to a horizontal position, the jack (6) operates to eject the blockage inside the casing head housing (7).

6. The casing head quality inspection device according to claim 5, characterized in that: One end of the bearing (4) is rotatably connected to the column (12), and the other end of the bearing (4) is welded to the supporting member (3).

7. The casing head quality inspection device according to claim 6, characterized in that: The supporting member (3) is provided with a fixing member (31), and the fixing member (31) is used to fix the flange of the casing head housing (7) to the supporting member (3).

8. The casing head quality inspection device according to claim 7, characterized in that: The middle portion of the supporting member (3) is a hollow area to facilitate connection with the casing head housing (7).

Images