An oil well operations platform

By designing an oil well operating platform that includes a platform, guardrails, and fixing devices, the problem of inconvenient high-altitude operations during oil wellhead equipment maintenance was solved, achieving flexible support and safe and efficient maintenance results.

CN115707854BActive Publication Date: 2026-06-02CHINA PETROLEUM & CHEMICAL CORP +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA PETROLEUM & CHEMICAL CORP
Filing Date
2021-08-18
Publication Date
2026-06-02

Smart Images

  • Figure CN115707854B_ABST
    Figure CN115707854B_ABST
Patent Text Reader

Abstract

This invention relates to an oil well operating platform. The platform includes a platform surface, a ladder with a ladder connection hole at the top, a support rod pin in the middle, and a ladder height adjustment pin at the bottom. The platform surface has guardrail insertion holes at each of its four upper corners, and an operating platform connecting post below the guardrail insertion hole on the front side of the upper end. The platform surface has a platform connecting lug on the rear side of the lower end and a wellhead fixing device connecting screw hole at the front end. The ladder connection hole of the ladder is connected to the platform connecting lug on the rear side of the lower end of the platform via a pivot pin. A support rod is connected between the support rod pin in the middle of the ladder and the connecting pin at the lower end of the platform. The ladder is connected to the adjustable legs via a ladder height adjustment pin. The wellhead fixing device connecting screw hole in the platform surface can be bolted to the wellhead fixing device. The operating platform connecting post in the platform surface can be connected to a crank fixing device. This provides convenience for various oil well maintenance and repair operations, is safe to use, has low manufacturing costs, and can effectively improve work efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to auxiliary devices for the maintenance of surface equipment in oil wells in the petroleum industry, and in particular to an oil well operating platform. Background Technology

[0002] Currently, when oil workers perform maintenance on surface oil wellhead equipment and adjust the balancing of beam pumping units, the high height of the wellhead or the elevated location of the parts requiring maintenance creates difficulties or limitations in their operations, hindering safe and efficient work. To address the challenges of working at heights, workers often use lifts or carry wellhead metal platforms and footboards, and habitually step on the wellhead casing gates and oil conveying systems. This leads to low work efficiency, and the improper stepping on wellhead equipment not only damages the equipment but also poses significant personal safety hazards.

[0003] The main problems with the above-mentioned high-altitude operation methods are as follows:

[0004] 1. Professional lifting platforms have high operating costs and are not flexible in their use, which reduces work efficiency.

[0005] 2. The iron frame pedal is inconvenient to carry and takes a lot of time and effort to move.

[0006] 3. Stepping on the wellhead equipment does not comply with safety regulations and poses a significant safety hazard.

[0007] Therefore, in order to eliminate operator violations, reduce operating costs, and improve work efficiency, it is necessary to solve the problem of working at heights in the current maintenance of oil well equipment.

[0008] To address the challenges of working at heights in oil wells, a search has revealed the following relevant patent documents:

[0009] 1. A wellhead operation platform device, patent number "201210469563.6":

[0010] This invention relates to the field of oilfield well workover technology, specifically to a wellhead operation platform device. The technical solution includes a hinged support plate and outriggers connected to the other end of the operation platform. The operation platform comprises a main platform and a movable platform, with the movable platform located away from the support plate. The wellhead operation platform also includes a lifting and tilting device connected to the operation platform via cables. This device is rationally designed, compact, aesthetically pleasing, safe, reliable, lightweight, easy to install, and convenient to transport, making it an ideal supporting device for well site operations.

[0011] The aforementioned wellhead operation platform device is applied in the field of oilfield well workover operations. Specifically, it is a wellhead operation platform device that is only suitable for oil well workover operations.

[0012] 2. Lift-type pumping unit wellhead operating platform, patent number "20192038643.3",

[0013] This utility model discloses a lifting-type pumping unit wellhead operating platform, applicable to the field of wellhead operation tools in mechanical oil production. Specifically, it is a lifting-type pumping unit wellhead operating platform device. The device is characterized by fixing the sleeve and a series of components assembled with the sleeve to the corresponding Christmas tree using a fixing device. The lifting of the threaded rod is adjusted by rotating a handwheel, and the support plate is adjusted to a suitable height. Personnel can then climb onto the support plate via tubing to perform tests and other operations. A bearing box is installed on the upper part of the sleeve, containing bearing assemblies, effectively improving the device's load-bearing capacity and ensuring normal operation. Primarily relating to the field of wellhead operation tools in mechanical oil production, it features a simple structure, convenient disassembly and installation, and allows personnel to stand stably, ensuring personnel safety.

[0014] The aforementioned utility model is a lifting pumping unit wellhead operating platform. The lifting of the threaded rod is adjusted by rotating the handwheel, but the direction is not easy to adjust, which cannot meet the needs of various operations and high-altitude operations at the crank of the walking beam pumping unit.

[0015] 3. Foldable portable pumping unit wellhead operating platform, patent number 201020175739.3:

[0016] This foldable portable pumping unit wellhead operating platform is used for wellhead climbing operations in oilfield production. Specifically, it is a foldable portable pumping unit wellhead operating platform, characterized by: providing operators with a solid and stable foundation, reducing the strain on maintenance personnel's legs; the platform's mesh surface also prevents users from slipping and falling due to excessive force; and easy disassembly after operation, thus solving existing safety hazards at heights and improving work efficiency.

[0017] The above-mentioned utility model is only applicable to wellhead climbing operations, and there are no safety protection measures installed on the platform, making climbing operations prone to danger. At the same time, it cannot meet the needs of operations outside the wellhead, such as at the crank, and its function is limited.

[0018] 4. A portable, foldable pumping unit wellhead access platform, patent number "201520105702.6".

[0019] This utility model tool is applied to wellhead access operations for oil pumping units. Specifically, it is a portable, foldable wellhead access operation platform. When in use, the folding legs are unfolded and secured to the neck of the packing box at the wellhead with fixing clips, ensuring stable mutual support between the wellhead Christmas tree and the folding legs. The folding platform, i.e., the portable toolbox, is then extended and placed on the folding legs. Two guard bars are then passed through the two rows of fixing rings. When folded, this utility model becomes a portable toolbox and folding frame that can be hung on the rear rack of a bicycle, making it convenient to carry and manage. Tools, equipment, sampling containers, etc., used for daily well inspection and maintenance can also be stored in the portable toolbox.

[0020] The aforementioned utility model is a device for operating at height at the wellhead of an oil pumping unit. The connection and fixing device to the wellhead cannot be tightened manually and requires the use of tools. Furthermore, the height adjustment is limited, which cannot meet the needs of high-altitude operations such as those at the crank of the oil pumping unit. Summary of the Invention

[0021] The purpose of this invention is to address the problems existing in the prior art by providing an oil well operation platform. When operators need to perform operations at a higher position at the oil well site, this invention can be installed and used without altering the structure and safety of the oil well production equipment. This allows for various maintenance and repair operations on the oil well equipment, minimizing operating costs, improving work efficiency, and eliminating safety hazards.

[0022] The technical solution of this invention is:

[0023] An oil well operating platform includes a platform with a guardrail on it. The operating platform also includes:

[0024] The upper end of the ladder is equipped with a ladder connection hole, the middle is equipped with a support rod pin, and the lower part is equipped with a ladder height adjustment pin;

[0025] The platform is provided with guardrail insertion holes at the four corners of the upper end, and an operating platform connecting column is provided below the guardrail insertion holes on the front side of the upper end.

[0026] The lower rear end of the platform is provided with a platform connecting lug and the front end is provided with a wellhead fixing device connecting screw hole;

[0027] The ladder connection hole is connected to the tabletop connection lug at the rear of the lower end of the tabletop via a pivot pin.

[0028] The support rod is connected to the support pin in the middle of the ladder and the connecting pin at the bottom of the platform.

[0029] The ladder and the adjustable legs are connected by a ladder height adjustment pin;

[0030] The wellhead fixing device in the platform can be connected to the wellhead fixing device by bolts;

[0031] The operating platform connecting column in the platform can be connected to the crank fixing device.

[0032] The upper two legs of the ladder are equipped with nylon wheels on the side facing the top of the platform.

[0033] At least three ladder height adjustment holes are symmetrically arranged on the two support legs; a handrail is provided on the upper front side of the guardrail on the left side of the platform; the connecting screw holes of the wellhead fixing device are arranged parallel to the platform frame at the front end of the platform.

[0034] The wellhead fixing device is equipped with a wellhead locking bracket and a wellhead locking mechanism, wherein:

[0035] The platform connecting rod in the wellhead locking bracket has platform connecting holes at both ends, which can be connected to the wellhead fixing device connecting screw holes in the front platform frame of the platform by bolts;

[0036] The wellhead locking mechanism includes a locking block, a locking bracket connecting rod, and a screw. The locking block is installed at the lower end of the screw, and the screw is connected in the locking bracket connecting rod. The locking bracket connecting rod is connected to the wellhead locking bracket and positions the locking block in the wellhead locking bracket.

[0037] The lower part of the locking block is provided with an isosceles trapezoidal locking groove, and the groove walls on both sides of the isosceles trapezoidal locking groove are provided with locking teeth; the screw is connected to the screw hole in the locking bracket connecting rod, and a bearing is also installed between the locking block and the screw; the upper end of the screw is equipped with a force-applying rod, a handle or a handwheel.

[0038] One end of the locking bracket connecting rod is provided with a connecting lug and is movably connected to one of the uprights in the wellhead locking bracket. The other end of the locking bracket connecting rod is connected to another upright in the wellhead locking bracket through a locking sleeve. The lower end of the locking sleeve is movably connected to the upright in the wellhead locking bracket. A reinforcing brace is also provided between the two uprights in the wellhead locking bracket and the platform connecting rod.

[0039] The crank fixing device mainly consists of a suspension frame and pedals, wherein:

[0040] The suspension frame is equipped with a crank connecting rod, a pedal frame and a pedal connecting rod. The pedal connecting rod is fixed to the rear of the pedal frame and connected to the crank connecting rod. The crank connecting rod can be inserted into the crank groove of the pumping unit crank. The pedal is fixed in the pedal frame.

[0041] The crank connecting rod is fixed to the upper end of the pedal connecting rod;

[0042] Platform insertion holes are provided at the front of the side frame bars of the pedal, and the operating platform connecting column in the table can be inserted into the platform insertion holes.

[0043] The front and rear frame bars of the pedal frame are provided with support rod through holes in the middle, through which a support rod can be inserted; the support rod is a T-shaped rod, the rear end of the support rod is a stop bar, and the support rod body is provided with a support distance adjustment hole.

[0044] A reinforcing brace is also provided between the pedal connecting bar and the two side frame bars behind the platform insertion hole of the pedal frame; a spring locking pin is installed at the lower part of the front frame bar of the pedal frame and the corresponding position of the support rod through hole, and the spring locking pin can be inserted into the support distance adjustment hole of the support rod.

[0045] The platform insertion hole is located at the front end of the platform connecting bar, and the platform connecting bar is fixed to the lower front part of the side frame bars of the pedal frame; the thickness of the side frame bars of the pedal frame matches the thickness of the table frame.

[0046] Compared with existing well site operation platforms, the significant advantages of this invention are as follows:

[0047] The operating platform in this invention can be modified by changing the fixing device and the support position of the operating platform, thereby changing the working position and working height to adapt to various daily maintenance and repair operations at the well site.

[0048] The operating platform of this invention consists of a platform, guardrails, and a ladder. The guardrails are detachable, making it easy to adapt to various types of oil pumping units and different operating categories. The height of the ladder is adjustable to meet the operating requirements at different heights. The ladder can be folded after being connected to the platform, and the operating platform can also be used as a trolley after folding. It is easy to move, store, and transport, and is suitable for transportation by various vehicles.

[0049] The operating platform in this invention is connected to the wellhead fixing device, using the wellhead packing box as a support, enabling the completion of various wellhead operations. The wellhead fixing device is equipped with a wellhead locking bracket and a wellhead locking mechanism, which can be easily locked to the outside of the wellhead packing box, forming a triangular support between the operating platform, the wellhead packing box, and the ground. The operating platform is firmly and reliably fixed, ensuring the personal safety of the operators and improving work efficiency.

[0050] The operating platform in this invention is connected to a crank fixing device, using the crank of the pumping unit as a support, enabling the completion of various operational tasks on the pumping unit. The crank fixing device mainly consists of a suspension frame and a foot pedal. The suspension frame is suspended in the crank groove of the pumping unit crank, and a foot pedal is also installed in the suspension frame, ensuring no gap under the operator's feet. A support rod can also be installed in the suspension frame. While the suspension frame is suspended in the crank groove, the support rod rests against the outside of the gearbox base of the gearbox. The pumping unit crank, suspension frame, and ground form a triangular support for the operating platform, providing a secure and safe environment for operators standing at the pumping unit crank.

[0051] In summary, this invention provides a convenient access device for various maintenance and repair operations of oil wells. It is easy and safe to use, has low manufacturing cost, can effectively improve work efficiency, and has significant use effects and application value. Attached Figure Description

[0052] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0053] Figure 1 This is a schematic diagram of the operating platform.

[0054] Figure 2 This is a structural diagram of the operating platform connected to the wellhead fixing device.

[0055] Figure 3 yes Figure 2 A schematic diagram of the structure of the wellhead fixing device.

[0056] Figure 4 yes Figure 1 , Figure 2 and Figure 3 A structural analysis diagram.

[0057] Figure 5 This is a schematic diagram illustrating the working principle of the crank fixing device in this invention, which is suspended on the crank of the pumping unit.

[0058] Figure 6 yes Figure 5 A schematic diagram illustrating the structure of the crank fixing device.

[0059] In the diagram: 1. Guardrail; 2. Guardrail handrail; 3. Support rod; 4. Guardrail insertion hole; 5. Platform connecting lug; 6. Ladder connecting hole; 7. Platform connecting column; 8. Wellhead fixing device connecting screw hole; 9. Nylon wheel; 10. Ladder; 11. Ladder height adjustment pin; 12. Adjustable support leg; 13. Support rod pin; 14. Locking block; 15. Locking bracket connecting rod; 16. Locking sleeve; 17. Screw; 18. Handwheel; 19. Platform connecting hole; 20. Pedal frame; 21. Telescopic rod spring pin; 22. Platform insertion hole; 23. Support rod through hole; 24. Support rod; 25. Support distance adjustment hole; 26. Crank connecting bar; 27. Pedal connecting bar; 28. Pedal; 29. ​​Platform overlapping bar; 30. Detailed Implementation

[0060] The accompanying drawings are for reference and illustration only and are not intended to limit the scope of protection of this invention. The technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0061] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0062] In the description of this invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, in the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0063] See Figures 1 to 4 An oil well operating platform includes a platform 7, on which a guardrail 1 is provided, and the operating platform also includes:

[0064] The upper end of the ladder 11 is provided with a ladder connection hole 6, the middle part is equipped with a support rod pin 14 and the lower part is equipped with a ladder height adjustment pin 12;

[0065] The platform 7 has guardrail insertion holes 4 at each of the four corners of its upper end, and an operating platform connecting column 8 is located below the guardrail insertion holes 4 on the front side of the upper end.

[0066] The lower rear side of the platform 7 is provided with a platform connecting lug 5 and the front end is provided with a wellhead fixing device connecting screw hole 9.

[0067] The ladder connecting hole 6 of the ladder 11 is connected to the table connecting lug 5 on the rear side of the lower end of the table 7 by a pivot pin.

[0068] The support rod 3 is connected between the support rod pin 14 in the middle of the ladder 11 and the connecting pin at the lower end of the platform 7;

[0069] The ladder 11 is connected to the adjustable support leg 13 by a ladder height adjusting pin 12;

[0070] The wellhead fixing device connecting screw hole 9 in the platform 7 can be connected to the wellhead fixing device by bolts;

[0071] The operating platform connecting column 8 in the platform 7 can be connected to the crank fixing device.

[0072] The height of the operating platform can be adjusted by adjusting the outriggers 13. The ladder 11 and the platform 7 can be folded after being connected by a pivot pin. The operating platform can be connected to the wellhead fixing device and the crank fixing device respectively through the wellhead fixing device connecting screw hole 9 and the operating platform connecting column 8, so that the operating platform has two connection and fixing positions in the surface equipment of the oil well.

[0073] Based on the above embodiments, the operating platform also has the following embodiments:

[0074] The upper two sides of the ladder 11 are equipped with nylon wheels 10 on the side facing the upper end of the platform 7. Before and after use, the ladder legs can be flipped along the pins in the connecting lugs 5 of the platform towards the lower end of the platform 7, folding the platform to make it also serve as a trolley for transporting maintenance tools and the platform's fixing devices.

[0075] At least three ladder height adjustment holes are symmetrically arranged on the two support legs 13. Adjusting the support legs 13 can increase the height of the ladder 11 and also adjust the height, which is convenient for maintenance work at different height positions of the pumping unit. A handrail 2 is provided on the upper front side of the guardrail 1 on the left side of the platform 7. The handrail 2 allows maintenance personnel to disassemble and assemble pumping unit components with one hand while the other hand can provide support. Since the right hand is the most habitual hand for most people, the handrail 2 is located on the left side, allowing the operator to support with the left hand and work with the right hand. The wellhead fixing device connecting screw hole 9 is arranged parallel to the platform frame at the front end of the platform 7, which allows the wellhead fixing device to be connected to the front end of the platform 7 and parallel to the platform 7.

[0076] See figure Figure 2 , Figure 3 and Figure 4 The wellhead fixing device is equipped with a wellhead locking bracket and a wellhead locking mechanism, wherein:

[0077] The platform connecting rod in the wellhead locking bracket has platform connecting holes 20 at both ends. The platform connecting holes 20 can be connected to the wellhead fixing device connecting screw holes 9 in the front frame of the platform 7 by bolts.

[0078] The wellhead locking mechanism includes a locking block 15, a locking bracket connecting rod 16, and a screw 18. The locking block 15 is installed at the lower end of the screw 18, and the screw 18 is connected in the locking bracket connecting rod 16. The locking bracket connecting rod 16 is connected to the wellhead locking bracket and the locking block 15 is located in the wellhead locking bracket.

[0079] The wellhead fixing device can be locked to the outside of the wellhead packing box via a wellhead locking bracket and a wellhead locking mechanism. The platform 7 of the operating platform in this invention can be connected to the wellhead fixing device fixed to the outside of the wellhead packing box. Through the wellhead fixing device in this invention, the upper part of the operating platform has a solid support position, and a triangular support is formed between the operating platform, the wellhead fixing device, and the ground, ensuring secure fixing and safe use.

[0080] The lower part of the locking block 15 is provided with an isosceles trapezoidal locking groove, and the groove walls on both sides of the isosceles trapezoidal locking groove are provided with locking teeth; the screw 18 is connected to the screw hole in the locking bracket connecting rod 16, and a bearing is also installed between the locking block 15 and the screw 18. In this way, when the locking block 15 is locked outside the wellhead packing box, the screw 18 can rotate smoothly; the upper end of the screw 18 is equipped with a force-applying rod, handle or handwheel 19, which can lock the wellhead fixing device outside the wellhead packing box without other auxiliary tools, providing a safety guarantee for the use of the operating platform.

[0081] One end of the locking bracket connecting rod 16 is provided with a connecting ear and is movably connected to one of the uprights in the wellhead locking bracket. The other end of the locking bracket connecting rod 16 is connected to another upright in the wellhead locking bracket through a locking sleeve 17. The lower end of the locking sleeve 17 is movably connected to the upright in the wellhead locking bracket. A reinforcing brace is also provided between the two uprights in the wellhead locking bracket and the platform connecting rod.

[0082] The connected locking bracket connecting rod 16 can be rotated outward through the connecting lug and the rotating shaft to open the wellhead locking bracket, facilitating the fixing of the wellhead fixing device to the outside of the wellhead packing box. The other end of the locking bracket connecting rod 16 is connected to the wellhead locking bracket through the locking sleeve 17, which fixes the locking bracket connecting rod 16 to the upright of the wellhead locking bracket, preventing the locking bracket connecting rod 16 from detaching. Pulling the handle at the top of the locking sleeve 17 allows it to be easily rotated outward, releasing the lock between the locking sleeve 17 and the locking bracket connecting rod 16. A reinforcing brace is provided between the two uprights of the wellhead locking bracket and the platform connecting rod, further enhancing the strength of the wellhead fixing device and better clamping the cylindrical packing box. In use, simply attach the wellhead locking bracket and the wellhead locking mechanism to the outside of the wellhead packing box, rotate the locking bracket connecting rod 16 to close the wellhead locking bracket and connect it through the locking sleeve 17, and rotate the screw 18 to easily fix the wellhead fixing device to the outside of the wellhead packing box through the locking block 15. This simplifies construction operations and improves maintenance efficiency.

[0083] See Figure 5 and Figure 6 The crank fixing device mainly consists of a suspension frame and pedal 29, wherein:

[0084] The suspension frame is provided with a crank connecting rod 27, a pedal frame 21 and a pedal connecting rod 28. The pedal connecting rod 28 is fixed to the rear of the pedal frame 21 and connected to the crank connecting rod 27. The crank connecting rod 27 can be inserted into the crank groove of the pumping unit crank. The pedal 29 is fixed in the pedal frame 21.

[0085] The crank connecting rod 27 is fixed to the upper end of the pedal connecting rod 28;

[0086] Platform sockets 23 are provided at the front of the side frames 21 of the pedal frame, and the operating platform connecting column 8 in the table 7 can be inserted into the platform sockets 23.

[0087] In this invention, the crank fixing device is suspended below the crank slot of the pumping unit via the crank connecting rod 27. This crank fixing device provides a stable support for the upper part of the operating platform, forming a triangular support between the operating platform, the crank fixing device, and the ground. This ensures secure fixation, safe use, and facilitates workers' access to the operating platform for various operations above the pumping unit's crank slot. After the crank connecting rod 27 is inserted into the crank slot of the pumping unit's crank, the crank fixing device is suspended below the crank slot and parallel to the pumping unit's crank via the crank connecting rod 27. The platform insertion hole 23 is located on the outside of the pumping unit's crank, allowing the operating platform to be easily connected to the crank fixing device fixed to the pumping unit's crank.

[0088] The front and rear frame bars of the pedal frame 21 are also provided with support rod through holes 24, through which support rods 25 can be inserted; the support rod 25 is a T-shaped rod, the rear end of the support rod 25 is a stop bar, and the rod body of the support rod 25 is provided with support distance adjustment holes 26.

[0089] A reinforcing brace is also provided between the pedal connecting bar 28 and the two side frame bars behind the platform insertion hole 23 of the pedal frame 21; a spring locking pin 22 is installed at the lower part of the front frame bar of the pedal frame 21 corresponding to the support rod through hole 24. The spring locking pin 22 can pass through the support distance adjustment hole 26 of the support rod 25. The spring locking pin 22 can fix the support rod 25 that passes through the support rod through hole 24. In order to make the operation platform more stable, a support rod 25 is installed in the pedal frame 21 of the crank fixing device, so that the end of the support rod 25 with the stop bar abuts against the outside of the gearbox base of the gearbox inside the crank of the pumping unit, providing another support point for the operation platform, forming a triangular support, and further ensuring the safety of the operator.

[0090] The platform insertion hole 23 is located at the front end of the platform connecting bar 30, and the platform connecting bar 30 is fixed to the lower front part of the side frame bars of the pedal frame 21. The thickness of the side frame bars of the pedal frame 21 matches the thickness of the tabletop 7 frame, so that the tabletop 7 of the installed operating platform and the pedal frame 21 are on the same plane. This is not only aesthetically pleasing, but also facilitates the movement of operators between the pedal 29 and the tabletop 7.

[0091] The operating platform of this invention has two fixing devices, one of which can be fixed to the wellhead and the other can be fixed to the crank of the pumping unit. This expands the scope of use of the operating platform and ensures a firm fixation. During the maintenance and repair of the pumping unit, it can ensure the safety of the users and facilitate various maintenance and repair operations of the pumping unit well, thus having a very good effect.

[0092] The embodiments described above are merely typical examples, but the present invention is not limited to these embodiments. Those skilled in the art can make modifications without departing from the spirit and teachings of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the inventive spirit and concept of the present invention should be included within the protection scope of the present invention. Therefore, the protection scope is not limited to the above description.

Claims

1. An oil well operating platform, comprising a platform (7) and a guardrail (2) on the platform (7), characterized in that, The operating platform is also equipped with: a ladder connecting hole (6) at the top of the ladder (11), a support rod pin (14) in the middle and a ladder height adjustment pin (12) at the bottom; guardrail insertion holes (4) at the four corners of the upper end of the platform (7) and an operating platform connecting column (8) below the guardrail insertion hole (4) on the front side of the upper end; a platform connecting ear (5) on the rear side of the lower end of the platform (7) and a wellhead fixing device connecting screw hole (9) at the front end; the ladder connecting hole (6) of the ladder (11) and the platform connecting ear (5) on the rear side of the lower end of the platform (7) are connected by a shaft pin; a support rod (3) is connected between the support rod pin (14) in the middle of the ladder (11) and the connecting pin at the lower end of the platform (7); the ladder (11) and the adjusting leg (13) are connected by the ladder height adjustment pin (12); the wellhead fixing device in the platform (7) The connecting screw hole (9) can be connected to the wellhead fixing device by bolts; the operating platform connecting column (8) in the platform (7) can be connected to the crank fixing device; the crank fixing device mainly consists of a suspension frame and a pedal (29). The suspension frame is provided with a crank connecting bar (27), a pedal frame (21) and a pedal connecting bar (28). The pedal connecting bar (28) is fixed at the rear of the pedal frame (21) and connected to the crank connecting bar (27). The crank connecting bar (27) can be inserted into the crank groove of the pumping unit crank. The pedal (29) is fixed in the pedal frame (21). The crank connecting bar (27) is fixed at the upper end of the pedal connecting bar (28). The front of the two side frames of the pedal frame (21) is provided with platform insertion holes (23). The operating platform connecting column (8) in the platform (7) can be inserted into the platform insertion holes (23).

2. The oil well operating platform as described in claim 1, characterized in that, The upper two sides of the ladder (11) are equipped with nylon wheels (10) on the side facing the upper end of the platform (7).

3. The oil well operation platform as described in claim 1, characterized in that, At least three ladder height adjustment holes are symmetrically arranged in the two legs (13); a handrail (2) is provided on the front side of the upper end of the guardrail (1) on the left side of the platform (7); the connecting screw hole (9) of the wellhead fixing device is arranged parallel to the platform frame at the front end of the platform (7).

4. An oil well operating platform as described in claim 1, 2, or 3, characterized in that, The wellhead fixing device is provided with a wellhead locking bracket and a wellhead locking mechanism. The wellhead locking bracket has platform connecting holes (20) at both ends of the platform connecting rod. The platform connecting holes (20) can be connected to the wellhead fixing device connecting screw holes (9) in the front frame of the platform (7) by bolts. The wellhead locking mechanism is provided with a locking block (15), a locking bracket connecting rod (16) and a screw (18). The locking block (15) is installed at the lower end of the screw (18). The screw (18) is connected in the locking bracket connecting rod (16). The locking bracket connecting rod (16) is connected to the wellhead locking bracket and the locking block (15) is located in the wellhead locking bracket.

5. The oil well operating platform as described in claim 4, characterized in that, The lower part of the locking block (15) is provided with an isosceles trapezoidal locking groove, and the groove walls on both sides of the isosceles trapezoidal locking groove are provided with locking teeth; the screw (18) is connected to the screw hole in the locking bracket connecting rod (16), and a bearing is also installed between the locking block (15) and the screw (18); the upper end of the screw (18) is equipped with a force-applying rod, a handle or a handwheel (19).

6. The oil well operating platform as described in claim 5, characterized in that, One end of the locking bracket connecting rod (16) is provided with a connecting ear and is movably connected to one of the uprights in the wellhead locking bracket. The other end of the locking bracket connecting rod (16) is connected to another upright in the wellhead locking bracket through a locking sleeve (17). The lower end of the locking sleeve (17) is movably connected to the upright in the wellhead locking bracket. A reinforcing brace is also provided between the two uprights in the wellhead locking bracket and the platform connecting rod.

7. The oil well operating platform as described in claim 2, characterized in that, The front and rear frame bars of the pedal frame (21) are also provided with support rod through holes (24), and support rods (25) can be inserted into the support rod through holes (24); the support rod (25) is a T-shaped rod, the rear end of the support rod (25) is a stop bar, and the support rod (25) has a support distance adjustment hole (26) in its body.

8. The oil well operating platform as described in claim 7, characterized in that, A reinforcing brace is provided between the pedal connecting bar (28) and the two side frame bars behind the platform insertion hole (23) of the pedal frame (21); a spring locking pin (22) is installed at the corresponding position of the lower part of the front frame bar of the pedal frame (21) and the support rod through hole (24), and the spring locking pin (22) can be inserted into the support distance adjustment hole (26) of the support rod (25).

9. An oil well operating platform as described in claim 2, characterized in that, The platform insertion hole (23) is located at the front end of the platform connecting bar (30), and the platform connecting bar (30) is fixed to the lower front part of the side frame bars of the pedal frame (21); the thickness of the side frame bars of the pedal frame (21) matches the thickness of the tabletop (7) frame.