Novel wellhead hydrogen sulfide detector

Abstract

The utility model discloses a novel wellhead hydrogen sulfide detector which comprises a wellhead body, a first supporting frame installed in the wellhead body, a first connecting block arranged on the outer side of the first supporting frame, a supporting rod arranged in the first supporting frame and a second supporting frame installed on the inner side of the supporting rod, and further comprises an adjusting assembly, and the adjusting assembly is installed in the second supporting frame, the lower end of the adjusting assembly is connected with a third supporting frame, a guiding block is arranged at the lower end of the third supporting frame, a second connecting rod is arranged in the third supporting frame, a second connecting rod is arranged at the lower end of the second connecting rod, and a detector body is arranged at the lower end of the guiding block. According to the novel wellhead hydrogen sulfide detector, the device can be conveniently disassembled, assembled and replaced after being used, the maintenance cost of the device is reduced, meanwhile, the detection position of the device can be adjusted, the use efficiency of the device is improved, and better adaptability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of wellhead hydrogen sulfide detection, in particular to a novel wellhead hydrogen sulfide detector. Background Art

[0002] Hydrogen sulfide is an inorganic compound with a molecular formula of H2S and a molecular weight of 34.076. Under standard conditions, it is a flammable acidic gas, colorless, with a rotten egg smell at low concentrations and a sulfur smell at extremely low concentrations. It is highly toxic, and its aqueous solution is hydrosulfuric acid, which is weaker in acidity than carbonic acid but stronger than boric acid. It is soluble in water, easily soluble in alcohols, petroleum solvents and crude oil. At the construction site of hydrogen sulfide process pipelines, it is necessary to conduct hydrogen sulfide leakage detection on each pipeline connection, so a hydrogen sulfide detector is needed to monitor it, such as:

[0003] The authorization announcement number CN219590271U provides a hydrogen sulfide detector, which belongs to the technical field of detectors, including a protective cover, a retractable groove is opened inside the protective cover, a retractable assembly is arranged inside the retractable groove, and a protective assembly is connected to the bottom of the protective cover. The utility model sets the retractable assembly, and the detector body can be retracted and positioned inside the protective cover under the clamping connection between the clamping block and the positioning sleeve. The detector body is pressed inwardly and then the control lever is rotated to move the clamping block out of the positioning sleeve. Under the elastic force of spring two, the lifting plate can drive the detector body to move out of the protective cover for easy operation and use. The protective cover and the detector body are an integrated structure, which is convenient for carrying and storage and also makes the use effect better. The utility model sets the protective assembly, and under the elastic force of spring one, the positioning rod and the positioning groove are plugged into each other to complete the closing and fixing of the bottom cover, so as to form a closed space to better protect the detector body.

[0004] The above-mentioned prior art solutions have the following defects: the existing hydrogen sulfide detector cannot be conveniently disassembled, assembled, or replaced after use, which increases the maintenance cost of the device; and the detection position of the device cannot be adjusted, which reduces the use efficiency of the device and makes operation inconvenient. Therefore, the utility model provides a new wellhead hydrogen sulfide detector to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a new wellhead hydrogen sulfide detector to solve the problems raised in the above-mentioned background technology that after use, it is impossible to conveniently disassemble and repair the device, resulting in increased maintenance costs, and at the same time, the detection position of the device cannot be adjusted, resulting in reduced versatility of the device and inconvenient operation.

[0006] To achieve the above object, the utility model provides the following technical solutions: a new wellhead hydrogen sulfide detector, comprising: a wellhead body, and a first support frame installed inside the wellhead body, and a first connecting block is arranged outside the first support frame, a support rod is arranged inside the first support frame, and a second support frame is installed inside the support rod, and further comprising:

[0007] An adjusting component is installed inside the second supporting frame, and the lower end of the adjusting component is connected to the third supporting frame, a guide block is provided at the lower end of the third supporting frame, and a second connecting rod is provided inside the third supporting frame, a clamping plate is provided at the lower end of the second connecting rod, and a detector body is provided at the lower end of the guide block.

[0008] Preferably, the adjustment assembly includes a motor installed on the upper end of the second support frame, and the lower end of the motor is connected to the first connecting rod, and the lower end of the first connecting rod is connected to the support block, and a guide rod is arranged on the outer side of the support block.

[0009] Preferably, the first connecting rod is threadedly connected to the support block, and the support block, the second support frame and the guide rod are all slidably arranged relative to each other, and the guide rod is symmetrically arranged about the central axis of the second support frame.

[0010] Preferably, the first connection blocks are arranged at equal angles on the outside of the first support frame, and the cross section of the first connection block is a "T"-shaped structure.

[0011] Preferably, the second connecting rod and the third supporting frame are arranged to rotate relative to each other, and the threads at the left and right ends of the second connecting rod are arranged opposite to each other.

[0012] Preferably, the second connecting rod is threadedly connected to the clamping plate, and the clamping plate is disposed symmetrically about the central axis of the second connecting rod.

[0013] Preferably, a second connecting block is provided on the upper side of the clamping plate, and a limiting block is installed on the inner side of the clamping plate.

[0014] Preferably, the second connecting block and the third supporting frame are arranged to slide relative to each other, and the longitudinal section of the second connecting block is a "T"-shaped structure.

[0015] Preferably, the guide block is relatively engaged with the detector body, and the cross section of the guide block is an "I"-shaped structure.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the new wellhead hydrogen sulfide detector can be conveniently disassembled and replaced after use, reducing the maintenance cost of the device, and at the same time can adjust the detection position of the device, improve the use efficiency of the device, and has better adaptability, as shown in the following content:

[0017] 1. The second connecting rod cooperates with the clamping plate to initially limit the detector body, so that workers can conveniently disassemble and repair the detector body, reduce the downtime of the device, and improve the maintenance efficiency and installation efficiency of the device;

[0018] Furthermore, the detector body is locked and limited by the limit block in cooperation with the clamping plate, so that the detector body is not easily affected by gravity and falls downward during use, thereby improving the safety and reliability of the device.

[0019] 2. The third support frame and the detector body are pushed downward by the first connecting rod in cooperation with the support block, so that the device can detect hydrogen sulfide concentrations at different heights, thereby improving the use efficiency of the device and ensuring the detection effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the top view of the cross-sectional structure of the connection between the guide block and the detector body of the utility model;

[0023] Figure 4 This is a schematic diagram of the top view cross-sectional structure of the connection between the support block and the guide rod of the utility model;

[0024] Figure 5 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0025] Figure 6 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0026] In the figure: 1. wellhead body; 2. first support frame; 3. first connecting block; 4. support rod; 5. second support frame; 6. adjustment assembly; 601. motor; 602. first connecting rod; 603. support block; 604. guide rod; 7. third support frame; 8. guide block; 9. second connecting rod; 10. clamping plate; 11. second connecting block; 12. limit block; 13. detector body. 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] See also Figure 1-6 The utility model provides a technical solution: a new wellhead hydrogen sulfide detector, comprising: a wellhead body 1, and a first support frame 2 installed inside the wellhead body 1, and a first connecting block 3 is arranged on the outside of the first support frame 2, a support rod 4 is arranged inside the first support frame 2, and a second support frame 5 is installed on the inner side of the support rod 4, and also includes:

[0029] An adjusting component 6 is installed inside the second supporting frame 5, and the lower end of the adjusting component 6 is connected to the third supporting frame 7, a guide block 8 is provided at the lower end of the third supporting frame 7, and a second connecting rod 9 is provided inside the third supporting frame 7, a clamping plate 10 is provided at the lower end of the second connecting rod 9, and a detector body 13 is provided at the lower end of the guide block 8, thereby constituting a complete hydrogen sulfide detector.

[0030] like Figure 1 and Figure 4 As shown, the adjustment component 6 includes a motor 601 installed at the upper end of the second support frame 5, and the lower end of the motor 601 is connected to the first connecting rod 602, and the lower end of the first connecting rod 602 is connected to the support block 603, and a guide rod 604 is arranged on the outer side of the support block 603, the first connecting rod 602 is relatively threadedly connected to the support block 603, and the support block 603 and the second support frame 5 and the guide rod 604 are relatively slidably arranged, and the guide rod 604 is symmetrically arranged about the central axis of the second support frame 5. After completing the installation of the detector body 13, the first connecting rod 602 is driven by the motor 601 to rotate inside the second support frame 5. At this time, the first connecting rod 602 pushes the support block 603 to move downward along the guide rod 604, so that the support block 603 pushes the third support frame 7 and the detector body 13 to move to the lower end, thereby completing the adjustment of the detection position of the detector body 13.

[0031] like Figure 1 , Figure 2 and Figure 3As shown, the first connecting block 3 is arranged at an equal angle on the outside of the first supporting frame 2, and the cross section of the first connecting block 3 is a "T"-shaped structure, the second connecting rod 9 and the third supporting frame 7 are relatively rotatable, and the left and right end threads of the second connecting rod 9 are opposite to each other, the second connecting rod 9 and the clamping plate 10 are relatively threadedly connected, and the clamping plate 10 is symmetrically arranged about the central axis of the second connecting rod 9, a second connecting block 11 is arranged on the upper side of the clamping plate 10, and a limiting block 12 is installed on the inner side of the clamping plate 10, the second connecting block 11 and the third supporting frame 7 are relatively slidably arranged, and the longitudinal section of the second connecting block 11 is a "T"-shaped structure, the guide block 8 and the detector body 13 are relatively engaged, and the cross section of the guide block 8 is an "I"-shaped structure, by installing the detector body 13 At the lower end of the guide block 8, the guide block 8 is engaged with the detector body 13, and the second connecting rod 9 is rotated at the same time, so that the second connecting rod 9 drives the clamping plate 10 to move inward inside the third support frame 7 to limit the detector body 13 at the lower end of the third support frame 7, thereby completing the quick installation of the detector body 13. At the same time, the second connecting block 11 installed on the upper end of the clamping plate 10 guides the clamping plate 10 during the inward displacement of the clamping plate 10, so that the clamping plate 10 is not easy to deviate during the movement and affect the installation stability of the detector body 13. At the same time, the limit block 12 set on the inner side of the clamping plate 10 is engaged with the detector body 13, so that the detector body 13 is not easy to fall off downward during use, thereby increasing the safety of the detector body 13.

[0032] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A new type of wellhead hydrogen sulfide detector, comprising: A wellhead body (1), and a first support frame (2) installed inside the wellhead body (1), and a first connecting block (3) is arranged on the outside of the first support frame (2), a support rod (4) is arranged inside the first support frame (2), and a second support frame (5) is installed on the inside of the support rod (4), characterized in that it also includes: An adjusting component (6) is installed inside the second supporting frame (5), and the lower end of the adjusting component (6) is connected to the third supporting frame (7), the lower end of the third supporting frame (7) is provided with a guide block (8), and the inside of the third supporting frame (7) is provided with a second connecting rod (9), the lower end of the second connecting rod (9) is provided with a clamping plate (10), and the lower end of the guide block (8) is provided with a detector body (13).

2. A novel wellhead hydrogen sulfide detector according to claim 1, characterized in that: The adjustment assembly (6) comprises a motor (601) mounted on the upper end of the second support frame (5), the lower end of the motor (601) is connected to a first connecting rod (602), the lower end of the first connecting rod (602) is connected to a supporting block (603), and a guide rod (604) is arranged on the outer side of the supporting block (603).

3. A novel wellhead hydrogen sulfide detector according to claim 2, characterized in that: The first connecting rod (602) is threadedly connected to the support block (603), and the support block (603) and the second support frame (5) and the guide rod (604) are all slidably arranged relative to each other, and the guide rod (604) is symmetrically arranged about the central axis of the second support frame (5).

4. A novel wellhead hydrogen sulfide detector according to claim 1, characterized in that: The first connection block (3) is arranged at an equal angle on the outside of the first support frame (2), and the cross section of the first connection block (3) is a "T"-shaped structure.

5. A novel wellhead hydrogen sulfide detector according to claim 1, characterized in that: The second connecting rod (9) and the third support frame (7) are arranged to rotate relative to each other, and the threads at the left and right ends of the second connecting rod (9) are arranged opposite to each other.

6. A novel wellhead hydrogen sulfide detector according to claim 1, characterized in that: The second connecting rod (9) is threadedly connected to the clamping plate (10), and the clamping plate (10) is disposed symmetrically with respect to the central axis of the second connecting rod (9).

7. A novel wellhead hydrogen sulfide detector according to claim 1, characterized in that: A second connecting block (11) is arranged on the upper side of the clamping plate (10), and a limiting block (12) is installed on the inner side of the clamping plate (10).

8. A novel wellhead hydrogen sulfide detector according to claim 7, characterized in that: The second connecting block (11) and the third supporting frame (7) are arranged to slide relative to each other, and the longitudinal section of the second connecting block (11) is a "T"-shaped structure.

9. A novel wellhead hydrogen sulfide detector according to claim 1, characterized in that: The guide block (8) is relatively engaged with the detector body (13), and the cross section of the guide block (8) is an "I"-shaped structure.

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