Novel stepping platform based on sliding of coal bed gas drilling machine

Abstract

The utility model discloses a novel stepping platform based on sliding of a coal bed gas drilling machine. The novel stepping platform comprises at least one platform single body. Each platform single body comprises an upper wing plate and a lower wing plate which are arranged in parallel up and down, and a plurality of reinforcing plates and a web plate are arranged between the upper wing plate and the lower wing plate; the web plate penetrates through the reinforcing plate; two rows of walking holes are formed in the top face of the upper wing plate in the length direction, a lubricating oil groove is formed in the top face of the upper wing plate in the length direction, and the lubricating oil groove is formed between the two rows of walking holes. The sliding device is safe, fast and reliable to use, easy to machine, less in repair and maintenance and capable of meeting the sliding requirement of the coal bed gas drilling machine.

Description

Technical Field

[0001] The utility model belongs to the technical field of safety assurance of coalbed methane drilling rigs, and in particular relates to a novel stepping platform based on the sliding of coalbed methane drilling rigs. Background Art

[0002] In the known technology, the coalbed methane drilling rig is suitable for coalbed methane drilling operations within a drilling depth of 1,500 meters. In particular, when developing cluster well operations, the coalbed methane drilling rig is required to be able to slide as a whole. The uniformity of the force on the stepping platform when the drilling rig slides is the key to the normal operation of the sliding system. At present, the sliding of the coalbed methane drilling rig is mainly driven by hydraulic cylinders or hydraulic jacks. The stepping platform adopts welded H-shaped steel, and the upper wing plate is gas-cut with walking holes. The processing is rough and driven by hydraulic cylinders. It cannot guarantee synchronization during sliding; it is easy to get stuck when crossing the interface between the stepping platforms; sometimes there is a lack of stepping platforms, and steel plates are temporarily laid. It is driven by jacks, and synchronization cannot be guaranteed; there is a lack of oil storage tanks, and poor lubrication leads to sliding jams, etc. Due to the heavy equipment and the repetitive nature of the work, the risk of equipment damage is relatively high. The above reasons make it difficult to achieve synchronization in engineering practice, and the sliding efficiency is very low. Utility Model Content

[0003] The utility model is proposed to solve the problems in the prior art that walking holes are formed by flame cutting, have low processing accuracy, high surface roughness, poor one-line alignment, etc., and its purpose is to provide a new stepping platform based on the sliding of coalbed methane drilling rigs.

[0004] The utility model is realized by the following technical solutions:

[0005] A new type of stepping platform based on the sliding of a coalbed methane drilling rig includes at least one platform unit; the platform unit includes an upper wing plate and a lower wing plate arranged in parallel up and down, and a plurality of reinforcing plates and a web plate are arranged between the upper wing plate and the lower wing plate; the web plate passes through the reinforcing plate; two rows of walking holes are formed on the top surface of the upper wing plate along the long direction, and a lubricating oil groove is formed on the top surface of the upper wing plate along the long direction, and the lubricating oil groove is placed between the two rows of walking holes.

[0006] In the above technical solution, the reinforcing plate is arranged parallel to the width direction of the upper wing plate and the lower wing plate; the web plate is arranged parallel to the length direction of the upper wing plate and the lower wing plate.

[0007] In the above technical solution, the walking hole is a rectangular hole, and the four corners form semicircular tool withdrawal grooves.

[0008] In the above technical solution, gentle chamfers are provided at the four corners of the top surface of the upper wing plate.

[0009] The beneficial effects of the utility model are:

[0010] The utility model provides a new stepping platform based on the sliding of coalbed methane drilling rigs, which can provide a coalbed methane drilling rig sliding device that is safer, faster, more reliable, easier to process, and requires less repair and maintenance, ensuring safe and reliable synchronization performance, greatly improving the drilling rig sliding efficiency during cluster well drilling operations, reducing coalbed methane drilling costs and accident rates, and meeting the needs of rapid sliding operations of coalbed methane drilling rigs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the front view of the utility model;

[0012] Figure 2 It is a top view of the utility model;

[0013] Figure 3 It is a cross-sectional view of the utility model;

[0014] Figure 4 It is a schematic diagram of the combined state of two sets of platform monomers in the utility model.

[0015] in:

[0016] 1. Upper wing plate; 2. Lower wing plate; 3. Belly plate; 4. Reinforcement plate; 5. Walking hole; 6. Lubricating oil groove; 7. Gentle slope chamfer.

[0017] For ordinary technicians in this field, other relevant drawings can be obtained based on the above drawings without any creative work. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0019] like Figures 1 to 4 As shown, a stepping platform based on the sliding of a coalbed methane drilling rig includes at least one platform unit; the platform unit includes an upper wing plate 1 and a lower wing plate 2 arranged in parallel up and down, and a plurality of reinforcing plates 4 and a web plate 3 are arranged between the upper wing plate 1 and the lower wing plate 2; the reinforcing plates 4 are arranged in parallel to the width direction of the upper wing plate 1 and the lower wing plate 2; the web plate 3 is arranged in parallel to the length direction of the upper wing plate 1 and the lower wing plate 2, and passes through the reinforcing plates 4;

[0020] Two rows of walking holes 5 are formed on the top surface of the upper wing plate 1 along the long direction, and the walking holes 5 in each row correspond to each other, and two one-to-one corresponding walking holes 5 form a group of inline double walking holes. During operation, the coalbed methane drilling rig walker claw enters one group of inline double walking holes of the stepping platform, driving the drilling rig to slide. After sliding to a full stroke of the walker, the walker is retracted and enters the next group of inline double walking holes of the stepping platform, driving the drilling rig to continue sliding, and repeating the action until it slides to the preset well position and ends.

[0021] The walking hole 5 is a rectangular hole, and the four corners form a semicircular cutter groove; the walking hole 5 is once clamped on the milling machine and processed once, which reliably ensures that the force-bearing surface of the walking hole is on the same plane. When the coalbed methane drilling rig slides, the walking device claws are in contact with the one-line double walking holes of the stepping platform at the same time and are stressed at the same time, ensuring that the synchronization performance is safe and reliable. This structure is easy to process and has a uniform gap with the walking device claws, and relies on processing accuracy to ensure safe and reliable sliding.

[0022] The top surface of the upper wing plate 1 forms a lubricating oil groove 6 along the length direction, and the lubricating oil groove 6 is placed between the two rows of walking holes 5; the lubricating oil groove can be processed while processing the above-mentioned straight double walking holes, so as to avoid secondary clamping; the lubricating oil groove structure during sliding can ensure that the lower plane of the lower wing plate of the drilling rig base and the upper plane of the wing plate on the stepping platform are fully lubricated without obstruction when the coalbed methane drilling rig slides.

[0023] The four corners of the top surface of the upper wing plate 1 are provided with gentle chamfers 7, and a number of large-angle V-shaped transition slopes are formed after the stepping platform is connected (a large-angle V-shaped transition slope is formed after the two sets of stepping platforms are connected), so as to avoid interference and blockage between the lower plane end of the lower wing plate of the drilling rig base and the upper wing plate when the lower plane end slides to the interface of the stepping platform when the coalbed methane drilling rig slides, thereby ensuring smooth sliding without jamming.

[0024] When there are multiple platform monomers, the multiple platform monomers are connected in parallel in sequence, and adjacent platform monomers are connected by connecting ear plates and pin shafts.

[0025] The platform monomer is a rolled structure or a welded H steel structure, or a rolled + welded H steel structure, and the number of platform monomers is determined according to the sliding requirements of the drilling rig.

[0026] The utility model provides an upper wing plate with a straight double walking hole with a back cutter groove, which is easy to process and can be clamped and processed once. During sliding, the two force-bearing surfaces are in contact at the same time, thus avoiding uneven force causing tension and even equipment damage, effectively saving sliding time and accelerating the relocation of the drilling rig.

[0027] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0029] The applicant declares that the above is only a specific implementation method of the present utility model, but the protection scope of the present utility model is not limited thereto. The technicians in the relevant technical field should understand that any changes or substitutions that can be easily thought of by the technicians in the relevant technical field within the technical scope disclosed in the present utility model fall within the protection scope and disclosure scope of the present utility model.

Claims

1. A new stepping platform based on the sliding of coalbed methane drilling rig, characterized by: The invention comprises at least one platform monomer; the platform monomer comprises an upper wing plate (1) and a lower wing plate (2) which are arranged in parallel up and down; a plurality of reinforcing plates (4) and a web plate (3) are arranged between the upper wing plate (1) and the lower wing plate (2); the web plate (3) passes through the reinforcing plate (4); two rows of walking holes (5) are formed on the top surface of the upper wing plate (1) along the length direction; a lubricating oil groove (6) is formed on the top surface of the upper wing plate (1) along the length direction; the lubricating oil groove (6) is arranged between the two rows of walking holes (5).

2. The novel stepping platform based on the sliding of coalbed methane drilling rig according to claim 1 is characterized in that: The reinforcing plate (4) is arranged parallel to the width direction of the upper wing plate (1) and the lower wing plate (2); and the web plate (3) is arranged parallel to the length direction of the upper wing plate (1) and the lower wing plate (2).

3. The novel stepping platform based on the sliding of coalbed methane drilling rig according to claim 1 is characterized in that: The walking hole (5) is a rectangular hole, and the four corners form semicircular cutter grooves.

4. The novel stepping platform based on the sliding of coalbed methane drilling rig according to claim 1 is characterized in that: The four corners of the top surface of the upper wing plate (1) are provided with gentle chamfers (7).

Images