Movable folding wellhead operating platform

Abstract

The utility model discloses a movable folding well mouth operating platform, which belongs to the technical field of oil well mouth equipment, comprises a step ladder assembly, and is characterized by further comprising an upper cover plate, a support frame and a lower cover plate, the step ladder assembly is a bidirectional step ladder and comprises a first step ladder and a second step ladder, the upper part of the support frame is connected with the upper cover plate through a hinge, and the lower part of the support frame is connected with the lower cover plate through a hinge. The lower portion of the supporting frame is connected with the lower cover plate through a hinge, the upper portion of the first step ladder is connected with one end of the upper cover plate through a hinge, the lower portion of the first step ladder is connected with the lower cover plate through a hinge, the upper portion of the second step ladder is connected with the other end of the upper cover plate through a hinge, and the lower portion of the first step ladder is connected with the lower cover plate through a hinge. And the upper cover plate is parallel to the lower cover plate. Through the bidirectional step ladder design, the upper cover plate and the lower cover plate are combined, so that the operating platform is high in overall structural strength, good in stability and safe and reliable to use.

Description

Technical Field

[0001] The utility model relates to the technical field of oil well wellhead equipment, in particular to a mobile folding wellhead operating platform. Background Art

[0002] Conventional oil and gas well Christmas trees are installed in square wells, 2-3.5 meters deep, often containing accumulated water. For newly completed wells, well stations have yet to be constructed, and there is no operating platform at the wellhead. During this period, access to the wellhead for maintenance, well testing, or logging is extremely inconvenient.

[0003] Currently available step ladder operating platforms are all integral structures, which are heavy and inconvenient to transport and install.

[0004] A Chinese patent document with publication number CN208669192U and publication date March 29, 2019 discloses a simple foldable wellhead operating platform, including a first single ladder, a second single ladder, a third single ladder, and a fourth single ladder. The first single ladder and the second single ladder, the second single ladder and the third single ladder, and the third single ladder and the fourth single ladder are all movably connected, and the connections are provided with hinges. The ladder legs of the first single ladder, the second single ladder, the third single ladder, and the fourth single ladder are all provided with rollers; the upper ends of the first single ladder and the third single ladder are both provided with pedals, the upper ends of the second single ladder and the fourth single ladder are both provided with guardrails, the left side of the first single ladder is provided with a pin base, and the right side of the fourth single ladder is provided with a socket.

[0005] The patent document discloses a simple foldable wellhead operating platform. To operate, a single ladder is folded around the Christmas tree and covered with steps to form an operating platform. Workers can use the steps to operate around the Christmas tree. The operating platform has a simple structure, is easy to install and remove, offers a high performance-price ratio, and is easily movable and adaptable to various wellhead operations. However, the overall stability of the operating platform is poor, compromising the safety of wellhead workers. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a mobile folding wellhead operating platform. The utility model adopts a two-way step ladder design combined with an upper cover plate and a lower cover plate, so that the overall structure of the operating platform has high strength, good stability, and is safe and reliable to use.

[0007] The utility model is achieved through the following technical solutions:

[0008] A mobile folding wellhead operating platform includes a step ladder frame, characterized in that it also includes an upper cover, a support frame and a lower cover, the step ladder frame is a two-way step ladder, including a first step ladder and a second step ladder, the upper part of the support frame is connected to the upper cover by a hinge, the lower part of the support frame is connected to the lower cover by a hinge, the upper part of the first step ladder is connected to one end of the upper cover by a hinge, the lower part of the first step ladder is connected to the lower cover by a hinge, the upper part of the second step ladder is connected to the other end of the upper cover by a hinge, the lower part of the first step ladder is connected to the lower cover by a hinge, and the upper cover and the lower cover are parallel.

[0009] The first ladder includes a first ladder frame and a plurality of first treads horizontally arranged on the first ladder frame, and the spacing between any two adjacent first treads is the same and the treads are parallel to each other.

[0010] A spring pin is provided on the first pedal, and the first pedal is connected to the first ladder frame through the spring pin.

[0011] The second step ladder includes a second ladder frame and a plurality of second treads horizontally arranged on the second ladder frame, and the spacing between any two adjacent second treads is the same and they are parallel to each other.

[0012] The second pedal is provided with a spring pin, and the second pedal is connected to the second ladder frame through the spring pin.

[0013] The upper cover is connected with a railing via a hinge, and the bottom of the railing is limited to the upper cover by bolts.

[0014] The lower cover plate is provided with a first handrail and a second handrail.

[0015] The lower end of the first handrail rod is connected to the lower cover plate through a hinge, and the upper end of the first handrail rod is connected to the upper end of the railing through a hinge.

[0016] The lower end of the second handrail rod is connected to the lower cover plate through a hinge, and the upper end of the second handrail rod is connected to the upper end of the railing through a hinge.

[0017] The beneficial effects of the present invention are mainly manifested in the following aspects:

[0018] 1. The utility model, the step ladder is a two-way step ladder, including a first step ladder and a second step ladder, the upper part of the support frame is connected to the upper cover by a hinge, the lower part of the support frame is connected to the lower cover by a hinge, the upper part of the first step ladder is connected to one end of the upper cover by a hinge, the lower part of the first step ladder is connected to the lower cover by a hinge, the upper part of the second step ladder is connected to the other end of the upper cover by a hinge, the lower part of the first step ladder is connected to the lower cover by a hinge, the upper cover and the lower cover are parallel. Compared with the prior art, the two-way step ladder design, combined with the upper cover and the lower cover, makes the overall structural strength of the operating platform high, has good stability, and is safe and reliable to use.

[0019] 2. In the present invention, a spring pin is provided on the first pedal, and the first pedal is connected to the first ladder frame through the spring pin. By providing the spring pin, the first pedal can be rotated and kept in the same plane with the first ladder frame when in a non-working state, thereby saving space; and the first pedal is in a horizontal position when in a working state, thereby facilitating the up and down movement of wellhead workers.

[0020] 3. In the present invention, a spring pin is provided on the second pedal, and the second pedal is connected to the second ladder frame through the spring pin. By providing the spring pin, the second pedal can be rotated and kept in the same plane with the second ladder frame when in a non-working state, thereby saving space; while in a working state, the first pedal is in a horizontal position, which is convenient for wellhead workers to go up and down.

[0021] 4. In the utility model, a railing is connected to the upper cover by a hinge, and the bottom of the railing is limited to the upper cover by bolts. In the transport state, the railing and the upper cover can be combined into a small rectangular parallelepiped for easy transportation; in the working state, the railing can be quickly assembled to protect the safety of wellhead workers.

[0022] 5. In the present invention, the lower end of the first handrail is connected to the lower cover plate via a hinge, and the upper end of the first handrail is connected to the upper end of the railing via a hinge, so that the first handrail can be folded up and transported conveniently.

[0023] 6. In the present invention, the lower end of the second handrail is connected to the lower cover plate by a hinge, and the upper end of the second handrail is connected to the upper end of the railing by a hinge. The second handrail can be quickly folded during transportation to save space.

[0024] 7. The utility model adopts a two-way step ladder design, which not only makes the overall structure of the operating platform more solid, but also makes it more convenient to use, making it easier for wellhead workers to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, wherein:

[0026] Figure 1 It is a structural diagram of the utility model;

[0027] Figure 2 This is a schematic diagram of the structure of the utility model after folding;

[0028] Markings in the figure: 1. Upper cover, 2. Support frame, 3. Lower cover, 4. First step, 5. Second step, 6. First ladder frame, 7. First pedal, 8. Second ladder frame, 9. Second pedal, 10. Railing, 11. First handrail, 12. Second handrail. DETAILED DESCRIPTION

[0029] Example 1

[0030] See also Figure 1 A mobile folding wellhead operating platform includes a step ladder frame, an upper cover plate 1, a support frame 2 and a lower cover plate 3. The step ladder frame is a two-way step ladder, including a first step ladder 4 and a second step ladder 5. The upper part of the support frame 2 is connected to the upper cover plate 1 by a hinge, and the lower part of the support frame 2 is connected to the lower cover plate 3 by a hinge. The upper part of the first step ladder 4 is connected to one end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper part of the second step ladder 5 is connected to the other end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper cover plate 1 and the lower cover plate 3 are parallel.

[0031] This embodiment is the most basic implementation method. The step ladder is a two-way step ladder, including a first step ladder 4 and a second step ladder 5. The upper part of the support frame 2 is connected to the upper cover 1 by a hinge, and the lower part of the support frame 2 is connected to the lower cover 3 by a hinge. The upper part of the first step ladder 4 is connected to one end of the upper cover 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover 3 by a hinge. The upper part of the second step ladder 5 is connected to the other end of the upper cover 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover 3 by a hinge. The upper cover 1 and the lower cover 3 are parallel. Compared with the prior art, the two-way step ladder design, combined with the upper cover 1 and the lower cover 3, makes the overall structural strength of the operating platform high, with good stability, and safe and reliable use.

[0032] Example 2

[0033] See also Figure 1 A mobile folding wellhead operating platform includes a step ladder frame, an upper cover plate 1, a support frame 2 and a lower cover plate 3. The step ladder frame is a two-way step ladder, including a first step ladder 4 and a second step ladder 5. The upper part of the support frame 2 is connected to the upper cover plate 1 by a hinge, and the lower part of the support frame 2 is connected to the lower cover plate 3 by a hinge. The upper part of the first step ladder 4 is connected to one end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper part of the second step ladder 5 is connected to the other end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper cover plate 1 and the lower cover plate 3 are parallel.

[0034] Preferably, the first ladder 4 includes a first ladder frame 6 and a plurality of first steps 7 horizontally arranged on the first ladder frame 6, and the distance between any two adjacent first steps 7 is the same and they are parallel to each other.

[0035] The first pedal 7 is provided with a spring pin, and the first pedal 7 is connected to the first ladder frame 6 through the spring pin.

[0036] This embodiment is a preferred implementation method. A spring pin is provided on the first pedal 7. The first pedal 7 is connected to the first ladder frame 6 through the spring pin. By providing the spring pin, the first pedal 7 can be rotated and maintained in the same plane with the first ladder frame 6 when in a non-working state, saving space; and the first pedal 7 is in a horizontal position when in a working state, making it convenient for wellhead workers to go up and down.

[0037] Example 3

[0038] See also Figure 1 A mobile folding wellhead operating platform includes a step ladder frame, an upper cover plate 1, a support frame 2 and a lower cover plate 3. The step ladder frame is a two-way step ladder, including a first step ladder 4 and a second step ladder 5. The upper part of the support frame 2 is connected to the upper cover plate 1 by a hinge, and the lower part of the support frame 2 is connected to the lower cover plate 3 by a hinge. The upper part of the first step ladder 4 is connected to one end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper part of the second step ladder 5 is connected to the other end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper cover plate 1 and the lower cover plate 3 are parallel.

[0039] The first ladder 4 includes a first ladder frame 6 and a plurality of first steps 7 horizontally arranged on the first ladder frame 6 , and the spacing between any two adjacent first steps 7 is the same and they are parallel to each other.

[0040] The first pedal 7 is provided with a spring pin, and the first pedal 7 is connected to the first ladder frame 6 through the spring pin.

[0041] The second step ladder 5 includes a second ladder frame 8 and a plurality of second treads 9 horizontally arranged on the second ladder frame 8. The distance between any two adjacent second treads 9 is the same and they are parallel to each other.

[0042] The second pedal 9 is provided with a spring pin, and the second pedal 9 is connected to the second ladder frame 8 through the spring pin.

[0043] This embodiment is another preferred implementation method. A spring pin is provided on the second pedal 9. The second pedal 9 is connected to the second ladder frame 8 through the spring pin. By providing the spring pin, the second pedal 9 can be rotated and maintained in the same plane with the second ladder frame 8 when in a non-working state, saving space; and the first pedal 7 is in a horizontal position when in a working state, making it convenient for wellhead workers to go up and down.

[0044] Example 4

[0045] See also Figure 1A mobile folding wellhead operating platform includes a step ladder frame, an upper cover plate 1, a support frame 2 and a lower cover plate 3. The step ladder frame is a two-way step ladder, including a first step ladder 4 and a second step ladder 5. The upper part of the support frame 2 is connected to the upper cover plate 1 by a hinge, and the lower part of the support frame 2 is connected to the lower cover plate 3 by a hinge. The upper part of the first step ladder 4 is connected to one end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper part of the second step ladder 5 is connected to the other end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper cover plate 1 and the lower cover plate 3 are parallel.

[0046] The first ladder 4 includes a first ladder frame 6 and a plurality of first steps 7 horizontally arranged on the first ladder frame 6 , and the spacing between any two adjacent first steps 7 is the same and they are parallel to each other.

[0047] The first pedal 7 is provided with a spring pin, and the first pedal 7 is connected to the first ladder frame 6 through the spring pin.

[0048] Further preferably, the second step ladder 5 includes a second ladder frame 8 and a plurality of second treads 9 horizontally arranged on the second ladder frame 8, and the distance between any two adjacent second treads 9 is the same and they are parallel to each other.

[0049] The second pedal 9 is provided with a spring pin, and the second pedal 9 is connected to the second ladder frame 8 through the spring pin.

[0050] The upper cover plate 1 is connected to a railing 10 via a hinge, and the bottom of the railing 10 is limited to the upper cover plate 1 by bolts.

[0051] This embodiment is another preferred implementation method. A railing 10 is connected to the upper cover plate 1 by a hinge. The bottom of the railing 10 and the upper cover plate 1 are limited by bolts. In the transportation state, the railing 10 and the upper cover plate 1 can be combined into a rectangular parallelepiped with a small space volume, which is convenient for transportation; in the working state, the railing 10 can be quickly assembled to protect the safety of wellhead workers.

[0052] Example 5

[0053] See also Figure 1 A mobile folding wellhead operating platform includes a step ladder frame, an upper cover plate 1, a support frame 2 and a lower cover plate 3. The step ladder frame is a two-way step ladder, including a first step ladder 4 and a second step ladder 5. The upper part of the support frame 2 is connected to the upper cover plate 1 by a hinge, and the lower part of the support frame 2 is connected to the lower cover plate 3 by a hinge. The upper part of the first step ladder 4 is connected to one end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper part of the second step ladder 5 is connected to the other end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper cover plate 1 and the lower cover plate 3 are parallel.

[0054] The first ladder 4 includes a first ladder frame 6 and a plurality of first steps 7 horizontally arranged on the first ladder frame 6 , and the spacing between any two adjacent first steps 7 is the same and they are parallel to each other.

[0055] The first pedal 7 is provided with a spring pin, and the first pedal 7 is connected to the first ladder frame 6 through the spring pin.

[0056] The second step ladder 5 includes a second ladder frame 8 and a plurality of second treads 9 horizontally arranged on the second ladder frame 8. The distance between any two adjacent second treads 9 is the same and they are parallel to each other.

[0057] The second pedal 9 is provided with a spring pin, and the second pedal 9 is connected to the second ladder frame 8 through the spring pin.

[0058] The upper cover plate 1 is connected to a railing 10 via a hinge, and the bottom of the railing 10 is limited to the upper cover plate 1 by bolts.

[0059] A first handrail 11 and a second handrail 12 are provided on the lower cover plate 3 .

[0060] The lower end of the first handrail rod 11 is connected to the lower cover plate 3 through a hinge, and the upper end of the first handrail rod 11 is connected to the upper end of the railing 10 through a hinge.

[0061] This embodiment is another preferred implementation manner. The lower end of the first handrail rod 11 is connected to the lower cover plate 3 by a hinge, and the upper end of the first handrail rod 11 is connected to the upper end of the railing 10 by a hinge, which is convenient for folding the first handrail rod 11 and convenient for transportation.

[0062] Example 6

[0063] See also Figure 1 and Figure 2 A mobile folding wellhead operating platform includes a step ladder frame, an upper cover plate 1, a support frame 2 and a lower cover plate 3. The step ladder frame is a two-way step ladder, including a first step ladder 4 and a second step ladder 5. The upper part of the support frame 2 is connected to the upper cover plate 1 by a hinge, and the lower part of the support frame 2 is connected to the lower cover plate 3 by a hinge. The upper part of the first step ladder 4 is connected to one end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper part of the second step ladder 5 is connected to the other end of the upper cover plate 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover plate 3 by a hinge. The upper cover plate 1 and the lower cover plate 3 are parallel.

[0064] The first ladder 4 includes a first ladder frame 6 and a plurality of first steps 7 horizontally arranged on the first ladder frame 6 , and the spacing between any two adjacent first steps 7 is the same and they are parallel to each other.

[0065] The first pedal 7 is provided with a spring pin, and the first pedal 7 is connected to the first ladder frame 6 through the spring pin.

[0066] The second step ladder 5 includes a second ladder frame 8 and a plurality of second treads 9 horizontally arranged on the second ladder frame 8. The distance between any two adjacent second treads 9 is the same and they are parallel to each other.

[0067] The second pedal 9 is provided with a spring pin, and the second pedal 9 is connected to the second ladder frame 8 through the spring pin.

[0068] The upper cover plate 1 is connected to a railing 10 via a hinge, and the bottom of the railing 10 is limited to the upper cover plate 1 by bolts.

[0069] More preferably, a first handrail 11 and a second handrail 12 are provided on the lower cover plate 3 .

[0070] The lower end of the first handrail rod 11 is connected to the lower cover plate 3 through a hinge, and the upper end of the first handrail rod 11 is connected to the upper end of the railing 10 through a hinge.

[0071] The lower end of the second handrail rod 12 is connected to the lower cover plate 3 through a hinge, and the upper end of the second handrail rod 12 is connected to the upper end of the railing 10 through a hinge.

[0072] This embodiment is the best implementation method. The lower end of the second handrail rod 12 is connected to the lower cover plate 3 by a hinge, and the upper end of the second handrail rod 12 is connected to the upper end of the railing 10 by a hinge. The second handrail rod 12 can be quickly folded during transportation to save space.

[0073] The two-way step ladder design not only makes the overall structure of the operating platform more solid, but also makes it more convenient to use, making it easier for wellhead workers to operate.

[0074] The working principle of this utility model is as follows:

[0075] When not in operation, since the upper part of the support frame 2 is connected to the upper cover 1 by a hinge, the lower part of the support frame 2 is connected to the lower cover 3 by a hinge, the upper part of the first step ladder 4 is connected to one end of the upper cover 1 by a hinge, the lower part of the first step ladder 4 is connected to the lower cover 3 by a hinge, the upper part of the second step ladder 5 is connected to the other end of the upper cover 1 by a hinge, and the lower part of the first step ladder 4 is connected to the lower cover 3 by a hinge, therefore, the support frame 2, the upper cover 1, the lower cover 3, the first step ladder 4 and the second step ladder 5 can all be folded, and the operating platform as a whole can be folded together, which can effectively reduce the space occupied by transportation.

[0076] When in working state, the support frame 2, upper cover plate 1, lower cover plate 3, first step ladder 4 and second step ladder 5 can be quickly unfolded and fixed. The first step ladder 4 is located at one end of the upper cover plate 1, and the second step ladder 5 is located at the other end of the upper cover plate 1. The lower part of the first step ladder 4 and the lower part of the second step ladder 5 are respectively connected to the lower cover plate 3, making the operating platform as a whole more stable, which is beneficial to ensuring the safety of wellhead workers.

Claims

1. A mobile foldable wellhead operating platform, including a step ladder frame, characterized by: It also includes an upper cover plate (1), a support frame (2) and a lower cover plate (3), the step ladder frame is a bidirectional step ladder, including a first step ladder (4) and a second step ladder (5), the upper part of the support frame (2) is connected to the upper cover plate (1) by a hinge, the lower part of the support frame (2) is connected to the lower cover plate (3) by a hinge, the upper part of the first step ladder (4) is connected to one end of the upper cover plate (1) by a hinge, the lower part of the first step ladder (4) is connected to the lower cover plate (3) by a hinge, the upper part of the second step ladder (5) is connected to the other end of the upper cover plate (1) by a hinge, the lower part of the second step ladder (5) is connected to the lower cover plate (3) by a hinge, and the upper cover plate (1) and the lower cover plate (3) are parallel.

2. The mobile foldable wellhead operating platform according to claim 1, characterized in that: The first ladder (4) comprises a first ladder frame (6) and a plurality of first treads (7) horizontally arranged on the first ladder frame (6), wherein the spacing between any two adjacent first treads (7) is the same and the treads are parallel to each other.

3. The mobile foldable wellhead operating platform according to claim 2, characterized in that: A spring pin is provided on the first pedal (7), and the first pedal (7) is connected to the first ladder frame (6) via the spring pin.

4. The mobile foldable wellhead operating platform according to claim 1, characterized in that: The second step ladder (5) comprises a second ladder frame (8) and a plurality of second treads (9) horizontally arranged on the second ladder frame (8), wherein the spacing between any two adjacent second treads (9) is the same and the treads are parallel to each other.

5. The mobile foldable wellhead operating platform according to claim 4, characterized in that: A spring pin is provided on the second pedal (9), and the second pedal (9) is connected to the second ladder frame (8) via the spring pin.

6. The mobile foldable wellhead operating platform according to claim 1, characterized in that: The upper cover plate (1) is connected to a railing (10) via a hinge, and the bottom of the railing (10) and the upper cover plate (1) are limited by bolts.

7. The mobile foldable wellhead operating platform according to claim 6, characterized in that: A first handrail (11) and a second handrail (12) are provided on the lower cover plate (3).

8. The mobile foldable wellhead operating platform according to claim 7, characterized in that: The lower end of the first handrail (11) is connected to the lower cover plate (3) via a hinge, and the upper end of the first handrail (11) is connected to the upper end of the railing (10) via a hinge.

9. The mobile foldable wellhead operating platform according to claim 7, characterized in that: The lower end of the second handrail (12) is connected to the lower cover plate (3) via a hinge, and the upper end of the second handrail (12) is connected to the upper end of the railing (10) via a hinge.

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