An operating platform and wellhead equipment

Abstract

This invention provides an operating platform and wellhead equipment. The operating platform includes: a connecting structure comprising a detachably connected first connecting plate and a second connecting plate; a platform body integrally formed with the second connecting plate; a retractable core-filling mechanism disposed on the lower surface of the platform body, comprising an outer core-filling mechanism and an inner core-filling mechanism, the outer core-filling mechanism comprising a first telescopic device and an outer core-filling component connected to the telescopic end of the first telescopic device, the inner core-filling mechanism comprising a second telescopic device and an inner core-filling component connected to the telescopic end of the second telescopic device, the outer core-filling component and the inner core-filling component being arranged opposite to each other to form at least two drill string passage holes for different specifications of drill strings to pass through; and a retractable fork disposed on the upper surface of the platform body, comprising a third telescopic power and a pad fork detachably connected to the telescopic end of the third telescopic power. This invention can accommodate the passage of multiple specifications of drill strings and can also assist in wellhead drill pipe uncoupling operations.

Description

Technical Field

[0001] This invention relates to the field of engineering machinery technology, and in particular to an operating platform and wellhead equipment. Background Technology

[0002] Currently, commonly used vehicle-mounted or tracked drilling rigs for emergency rescue and relief in the development of resources such as coalbed methane, shale gas, geothermal energy, and water wells face the following problems:

[0003] 1. During operation, a series of operations such as disassembling drill bits, installing and removing drill rods, and installing and removing casings need to be completed above the operating platform. Since there are many models and specifications of drill bits, drill rods and casings used in construction, the operating platform needs to be able to accommodate drill bits, drill rods and casings of different diameters.

[0004] 2. When transporting the entire drilling rig, after the mast is retracted, the operating platform will be at the top of the drilling rig, which will affect the transport height of the drilling rig. In addition, because it has a certain weight, the transport height and weight of the whole machine must meet the national road regulations.

[0005] 3. It also needs to be compatible with various working devices for installation, so as to facilitate wellhead assistance and the operation of attaching and detaching the coupling.

[0006] Therefore, there is an urgent need for an operating platform and wellhead equipment that can accommodate the passage of various commonly used drill bits, drill pipes and casings, as well as the installation of other working devices at the wellhead and assist in the installation and unscrewing of drill pipes at the wellhead. Summary of the Invention

[0007] The purpose of this invention is to provide an operating platform and wellhead equipment, which aims to solve the technical problems that traditional operating platforms cannot meet the passage of drill pipes of various specifications and cannot accommodate operations such as attaching and disattaching drill pipes of different specifications.

[0008] To achieve the above objectives, in a first aspect, the present invention provides an operating platform, comprising:

[0009] The connection structure includes a detachably connected first connecting plate and a second connecting plate;

[0010] The platform body is integrally formed with the second connecting plate;

[0011] A retractable core-filling mechanism is provided on the lower surface of the platform body for allowing drill bits of different specifications to pass through; it includes an outer core-filling mechanism and an inner core-filling mechanism. The outer core-filling mechanism includes a first telescopic device and an outer core-filling component connected to the telescopic end of the first telescopic device. The inner core-filling mechanism includes a second telescopic device and an inner core-filling component connected to the telescopic end of the second telescopic device. The outer core-filling component and the inner core-filling component are arranged opposite each other to form at least two drill bit passage holes for drill bits of different specifications to pass through.

[0012] A telescopic fork, located on the upper surface of the platform body, is used to clamp drill rods of different specifications for auxiliary coupling and uncoupling operations. It includes a third telescopic power source and a pad fork detachably connected to the telescopic end of the third telescopic power source.

[0013] As a further improvement to the above solution, the first connecting plate is used to be fixedly connected to the bottom of the wellhead equipment mast, and a toothed structure for bearing shear load is provided between the first connecting plate and the first connecting plate.

[0014] As a further improvement to the above solution, the toothed structure includes a groove provided on the first connecting plate and a protrusion provided on the second connecting plate that matches and is installed in the groove;

[0015] Furthermore, both the groove and the protrusion are arranged to extend through the corresponding connecting plate along its length.

[0016] As a further improvement to the above solution, the first connecting plate and the second connecting plate are detachably connected by a threaded pair;

[0017] The first connecting plate has a plurality of threaded holes, and the corresponding second connecting plate has a plurality of through holes that match the threaded holes. The first connecting plate and the second connecting plate are detachably connected by screws.

[0018] As a further improvement to the above solution, the platform body includes an operation board and two reinforcing ribs, the second connecting plate is vertically arranged, the operation board is horizontal and vertically connected to the second connecting plate; and the operation board is provided with a first U-shaped opening;

[0019] The retractable core-filling mechanism is disposed on the lower surface of the operating panel, and the drill bit is matched with the first U-shaped opening through a hole;

[0020] The retractable fork is located behind the upper surface of the operating panel, and the fork opening direction of the pad fork is consistent with the opening direction of the first U-shaped opening.

[0021] The two reinforcing ribs are disposed between the operating plate and the second connecting plate, and are symmetrically arranged on both sides of the first U-shaped opening.

[0022] As a further improvement to the above solution, the first telescopic device includes two first hydraulic cylinders, which are symmetrically arranged at the bottom of the platform body and located on both sides of the first U-shaped opening.

[0023] Furthermore, the rodless end of the first hydraulic cylinder is connected to the end of the platform body near the second connecting plate, and the rod end is connected to the external compensation core.

[0024] The second telescopic device includes two second hydraulic cylinders, which are symmetrically arranged at the bottom of the platform body, on both sides of the first U-shaped opening, and are arranged parallel to the first hydraulic cylinders at intervals.

[0025] Furthermore, the rodless end of the second hydraulic cylinder is connected to the second connecting plate end, which is away from the platform body, and the rod end is connected to the inner core component.

[0026] As a further improvement to the above solution, the outer core component includes a strip plate and an outer core plate connected to the strip plate, wherein the outer core plate has a first semi-circular opening away from the strip plate segment;

[0027] The inner core component includes an inner core plate, and one end of the inner core plate is provided with a second semi-circular opening. The first semi-circular opening and the second semi-circular opening are matched and opposite to each other, which can form at least two specifications of drill tool passage holes for different drill tools to pass through.

[0028] As a further improvement to the above solution, the two ends of the strip plate extend outwards, and each of the extensions is provided with a first ear seat for connecting the telescopic end of the first telescopic device to the direction of the first semicircular opening.

[0029] As a further improvement to the above solution, the inner core component also includes two inner core connecting plates. The two inner core connecting plates are symmetrically arranged about the second semicircular opening and are vertically arranged on the bottom surface of the inner core plate for connection to the telescopic end of the second telescopic device.

[0030] As a further improvement to the above solution, the platform body is provided with at least two positioning pins, and correspondingly, the outer core and the inner core are each provided with at least one positioning hole that matches the positioning pin.

[0031] As a further improvement to the above solution, the telescopic fork also includes a pad fork pressure plate, which is disposed on the upper surface of the platform body, and has a sliding space between its middle part and the upper surface of the platform body.

[0032] The third telescopic force is disposed on the upper surface of the pad fork pressure plate, the pad fork is slidably disposed in the sliding space, and the telescopic end of the third telescopic force is detachably connected to the upper surface of the pad fork.

[0033] As a further improvement to the above solution, the pad fork includes a plate body and a second U-shaped opening at one end of the plate body. The second U-shaped opening forms a fork opening for clamping the drill rod to assist in the upper and lowering of the coupling.

[0034] As a further improvement to the above solution, the upper surface of the platform body is also provided with a nut block for installing the wellhead hydraulic slip lifting device, and a nut seat for installing the external power head.

[0035] As a further improvement to the above solution, the upper surface of the external core component can also be detachably provided with at least two limiting plates to prevent the wellhead core from rotating.

[0036] As a further improvement to the above solution, the bottom of the platform body is also provided with a foot pedal support structure for supporting the installation of the foot pedal.

[0037] In a second aspect, the present invention also provides a wellhead device, including a drilling rig body and a mast mounted on the drilling rig body, wherein an operating platform as described in the first aspect is provided outside the mast.

[0038] Because the present invention adopts the above technical solutions, the beneficial effects of this application are as follows:

[0039] This invention provides an operating platform with a retractable core-filling mechanism on the lower surface of the platform body. This mechanism includes an outer core-filling mechanism and an inner core-filling mechanism. The outer core-filling mechanism includes a first telescopic device and an outer core-filling component connected to the telescopic end of the first telescopic device. The inner core-filling mechanism includes a second telescopic device and an inner core-filling component connected to the telescopic end of the second telescopic device. The outer and inner core-filling components are arranged opposite each other. This arrangement allows the spacing between the oppositely arranged inner and outer core-filling components to be changed by controlling the telescopic movement of the first and second telescopic devices, enabling the passage of various drilling tools and thus improving the versatility of the operating platform. A retractable fork is provided on the upper surface of the platform body, including a third telescopic power source and a pad fork detachably connected to the telescopic end of the third telescopic power source. The retractable fork assists in the drilling pipe coupling and uncoupling operations. The pad fork is detachably connected to the telescopic end of the third telescopic power source, allowing for the replacement of pad forks of different specifications, thereby enabling the clamping of different specifications of drilling tools and facilitating coupling and uncoupling operations at the wellhead.

[0040] In addition, this operating platform is also equipped with a connection structure, which includes a detachably connected first connecting plate and a second connecting plate; the first connecting plate is used to be fixedly connected to the bottom of the mast of the wellhead equipment (preferably, the first connecting plate is welded to the bottom of the mast), and the first connecting plate and the second connecting plate are detachably connected by a threaded pair; such a setting can meet the requirement of quick disassembly of this operating platform, thereby reducing the transportation weight and the overall height of the wellhead equipment, so that the overall transportation height and weight of the wellhead equipment must meet the national road regulations;

[0041] Meanwhile, the operating platform must also withstand the maximum lifting force load of the drilling rig. To improve its maximum load-bearing strength requirements, a toothed structure for bearing shear load is provided between the first connecting plate and the second connecting plate. The toothed structure includes a groove on the first connecting plate and a protrusion on the second connecting plate that matches and is installed in the groove. Both the groove and the protrusion are provided through the length of the corresponding connecting plate. The load-bearing strength is improved through the design of the load-bearing toothed structure. Attached Figure Description

[0042] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0043] Figure 1 This is a three-dimensional schematic diagram of an operating platform installed on a mast, as disclosed in this invention.

[0044] Figure 2 This is a perspective view of the first connecting plate disclosed in this invention;

[0045] Figure 3 This is a perspective view of the second connecting plate disclosed in this invention;

[0046] Figure 4 This is a three-dimensional schematic diagram of an operating platform (with the first connecting plate removed) disclosed in this invention. Figure 1 ;

[0047] Figure 5 This is a three-dimensional schematic diagram of an operating platform (with the first connecting plate removed) disclosed in this invention. Figure 2 ;

[0048] Figure 6 This is a three-dimensional schematic diagram of an operating platform (with the first connecting plate removed) disclosed in this invention. Figure 3 ;

[0049] Figure 7 This is a three-dimensional schematic diagram of the internal core component disclosed in this invention;

[0050] Figure 8 This is a three-dimensional schematic diagram of the external compensation core component disclosed in this invention;

[0051] Figure 9 This is a three-dimensional schematic diagram of an operating platform (with the first connecting plate removed) disclosed in this invention. Figure 4 ;

[0052] Figure 10This is a three-dimensional schematic diagram of an operating platform (with the first connecting plate removed) disclosed in this invention. Figure 5 ;

[0053] Figure 11 This is a three-dimensional schematic diagram of the wellhead core patching kit disclosed in this invention.

[0054] Figure label:

[0055] 1. Connecting structure; 11. First connecting plate; 12. Second connecting plate; 13. Groove; 14. Protrusion;

[0056] 2. Platform body; 21. Control panel; 22. Reinforcing rib; 23. First U-shaped opening;

[0057] 3. Retractable core-repairing mechanism; 31. External core-repairing mechanism; 311. First telescopic device; 312. External core-repairing component; 313. Strip plate; 314. External core-repairing plate; 315. First semi-circular opening; 316. First ear seat;

[0058] 32. Inner core filling mechanism; 321. Second telescopic device; 322. Inner core filling component; 323. Inner core filling plate; 324. Second semi-circular opening; 325. Inner core filling connecting plate; 326. Positioning hole; 33. Drill tool through hole;

[0059] 4. Telescopic fork; 41. Third telescopic power source; 42. Pad fork; 421. Plate body; 422. Second U-shaped opening; 43. Pad fork pressure plate;

[0060] 5. Positioning pin; 6. Nut block; 7. Nut seat; 8. Limiting plate; 9. Foot pedal support structure; 10. Mast;

[0061] 01. Wellhead core repair; 02. Wellhead hydraulic slip lifting device.

[0062] The realization of the objective, functional characteristics and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0063] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0064] It should be noted that all directional indicators (such as up, down, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0065] Furthermore, in this invention, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature.

[0066] Furthermore, the technical solutions of the various embodiments of the present invention can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention. Example 1

[0067] See Figure 1-10 The present invention provides an operating platform, comprising:

[0068] The connection structure 1 includes a detachably connected first connecting plate 11 and a second connecting plate 12. The first connecting plate 11 is used to be fixedly connected to the bottom of the wellhead equipment mast 10 (preferably, the first connecting plate 11 and the bottom of the mast 10 are welded together). The first connecting plate 11 and the second connecting plate 12 are detachably connected by a threaded pair. This configuration can meet the requirement of quick disassembly of the operating platform, thereby reducing the transport weight and the overall height of the wellhead equipment, so that the transport height and weight of the wellhead equipment meet the national road regulations.

[0069] The platform body 2 is integrally formed with the second connecting plate 12. Specifically, the platform body 2 and the second connecting plate 12 are integrally formed by welding.

[0070] A retractable core-filling mechanism 3 is disposed on the lower surface of the platform body 2 for allowing drill bits of different specifications to pass through; it includes an outer core-filling mechanism 31 and an inner core-filling mechanism 32. The outer core-filling mechanism 31 includes a first telescopic device 311 and an outer core-filling component 312 connected to the telescopic end of the first telescopic device 311. The inner core-filling mechanism 32 includes a second telescopic device 321 and an inner core-filling component 322 connected to the telescopic end of the second telescopic device 321. The outer core-filling component 312 and the inner core-filling component 322 are arranged opposite to each other to form at least two drill bit passage holes 33 for drill bits of different specifications to pass through.

[0071] The telescopic fork 4 is set on the upper surface of the platform body 2 and is used to clamp drill rods of different specifications for auxiliary loading and unloading operations. It includes a third telescopic power 41 and a pad fork 42 that is detachably connected to the telescopic end of the third telescopic power 41.

[0072] A retractable core-filling mechanism 3 is provided on the lower surface of the platform body 2. This mechanism includes an outer core-filling mechanism 31 and an inner core-filling mechanism 32. The outer core-filling mechanism 31 includes a first telescopic device 311 and an outer core-filling component 312 connected to the telescopic end of the first telescopic device 311. The inner core-filling mechanism 32 includes a second telescopic device 321 and an inner core-filling component 322 connected to the telescopic end of the second telescopic device 321. The outer core-filling component 312 and the inner core-filling component 322 are arranged opposite each other. This arrangement allows for the modification of the system by controlling the telescopic movement of the first telescopic device 311 and the second telescopic device 321. The spacing between the inner core component 322 and the outer core component 312 allows for the passage of various drill tools, thereby improving the versatility of this operating platform. A telescopic fork 4 is provided on the upper surface of the platform body 2, which includes a third telescopic power 41 and a pad fork 42 detachably connected to the telescopic end of the third telescopic power 41. The telescopic fork 4 assists in completing the drill pipe coupling and uncoupling operations. At the same time, the pad fork 42 is detachably connected to the telescopic end of the third telescopic power 41, so that pad forks 42 of different specifications can be disassembled and replaced, thereby meeting the requirements of clamping different specifications of drill tools and cooperating with the wellhead to complete coupling and uncoupling operations.

[0073] As a preferred embodiment, see Figures 1-3 A toothed structure for bearing shear load is provided between the first connecting plate 11 and the first connecting plate 11;

[0074] The toothed structure includes a groove 13 provided on the first connecting plate 11, and a protrusion 14 provided on the second connecting plate 12 that matches and is installed in the groove 13;

[0075] Furthermore, both the groove 13 and the protrusion 14 are provided to extend through the corresponding connecting plate along its length.

[0076] Specifically, in this embodiment, the first connecting plate 11 includes a first plate body 421, and the first plate body 421 extends upward with two connecting ears, and the two connecting ears are spaced apart.

[0077] The first connecting plate 11 is provided with two grooves 13 spaced vertically, and the two grooves 13 are arranged in parallel. One groove 13 is located on the plate body 421 away from the connecting lug, and the other groove 13 is located at the extension junction.

[0078] Correspondingly, the second connecting plate 12 has a shape that matches the first connecting plate 11, and two protrusions 14 that correspond to and match the groove 13 are arranged sequentially and vertically at intervals on the second connecting plate 12;

[0079] The toothed structure of groove 13 and protrusion 14 can withstand the maximum load (shear force) at the wellhead, thus meeting the load-bearing requirements of the wellhead operating platform.

[0080] As a preferred embodiment, see Figure 2 and Figure 3 The first connecting plate 11 has a plurality of threaded holes, and the second connecting plate 12 has a plurality of through holes that match the threaded holes. The first connecting plate 11 and the second connecting plate 12 are detachably connected by screws.

[0081] In this embodiment, at least one threaded hole is provided at both ends of the groove 13, and through holes matching the threaded holes are respectively provided at both ends of the protrusion 14; the detachable connection is achieved through the threaded pair, which is simple in structure and easy to assemble and disassemble.

[0082] As a preferred embodiment, see Figure 4 and Figure 5 The platform body 2 includes an operation plate 21 and two reinforcing ribs 22. The second connecting plate 12 is vertically arranged, and the operation plate 21 is horizontally connected to the second connecting plate 12. The operation plate 21 is provided with a first U-shaped opening 23.

[0083] The retractable core-filling mechanism 3 is disposed on the lower surface of the operating plate 21, and the drill bit is matched with the first U-shaped opening 23 through the hole 33;

[0084] The retractable fork 4 is located behind the upper surface of the operation plate 21 (with the opening of the first U-shaped opening 23 as a reference), and the fork direction of the pad fork 42 is consistent with the opening direction of the first U-shaped opening 23.

[0085] The two reinforcing ribs 22 are disposed between the operating plate 21 and the second connecting plate 12, and are symmetrically disposed on both sides of the first U-shaped opening 23;

[0086] The combined structure of the control panel 21, the reinforcing rib 22, and the second connecting plate 12 not only satisfies the support and connection of each component, but also provides sufficient support strength and rigidity for the platform body 2.

[0087] As a preferred embodiment, see Figure 4 and Figure 6The first telescopic device 311 includes two first hydraulic cylinders, which are symmetrically arranged at the bottom of the platform body 2 and located on both sides of the first U-shaped opening 23.

[0088] Furthermore, the rodless end of the first hydraulic cylinder is connected to the end of the platform body near the second connecting plate 12, and the rod end is connected to the external supplementary core 312; specifically, the two first hydraulic cylinders are respectively arranged on the outside of the reinforcing rib plate 22, and the bottom of the operating plate 21 near the second connecting plate 12 is provided with a first hydraulic cylinder connecting seat, and the rodless end of the first hydraulic cylinder is connected to the operating plate 21 through the first hydraulic cylinder connecting seat;

[0089] The second telescopic device 321 includes two second hydraulic cylinders, which are symmetrically arranged at the bottom of the platform body 2, located on both sides of the first U-shaped opening 23, and arranged parallel to the first hydraulic cylinders at intervals.

[0090] Furthermore, the rodless end of the second hydraulic cylinder is connected to the end of the platform body away from the second connecting plate 12, and the rod end is connected to the inner core component 322.

[0091] Specifically, the two second hydraulic cylinders are respectively disposed on the inner side of the reinforcing rib plate 22, and the bottom of the operating plate 21 is provided with a second hydraulic cylinder connecting seat away from the second connecting plate 12. The rodless end of the second hydraulic cylinder is connected to the operating plate 21 through the second hydraulic cylinder connecting seat.

[0092] The present invention achieves an adjustable split configuration of the inner core component 322 and the outer core component 312 by arranging the first telescopic device 311 and the second telescopic device 321 in an alternating manner, resulting in a compact and simple structure.

[0093] As a preferred embodiment, see Figure 7 and Figure 8 The outer core component 312 includes a strip plate 313 and an outer core plate 314 connected to the strip plate 313. The outer core plate 314 has a first semi-circular opening 315 on the section away from the strip plate 313.

[0094] The inner core component 322 includes an inner core plate 323, and one end of the inner core plate 323 is provided with a second semi-circular opening 324. The first semi-circular opening 315 and the second semi-circular opening 324 are matched and opposite to each other, which can form at least two specifications of the drill tool passage hole 33 for different drill tools to pass through.

[0095] Specifically, the two ends of the strip plate 313 extend outwards, and each of the extensions is provided with a first ear seat 316 for connecting the telescopic end of the first telescopic device 311 in the direction of the first semicircular opening 315.

[0096] The inner core component 322 also includes two inner core connecting plates 325. The two inner core connecting plates 325 are symmetrically arranged about the second semi-circular opening 324 and are vertically arranged on the bottom surface of the inner core plate 323 for connection to the telescopic end of the second telescopic device 321. In this embodiment, the rod end of the second hydraulic cylinder is also connected to a support seat. The support seat and the inner core connecting plate 325 are connected by bolts, so that the inner core component 322 can be moved by the telescopic movement of the second hydraulic cylinder.

[0097] This setup, combined with the action of two sets of hydraulic cylinders, allows for the opening and closing of the inner manifold 322 and the outer manifold 312; when combined, the maximum diameter of the wellhead is ∅508mm ( Figure 5 (State), when opened, the maximum diameter that can pass through is ∅780mm ( Figure 6 (Status), while meeting the requirements for installing the flat filler core at the wellhead, it can provide a maximum wellhead passage diameter of ∅780mm.

[0098] As a preferred embodiment, see Figure 5 and Figure 7 The platform body 2 is provided with at least two positioning pins 5, and correspondingly, the outer compensation core 312 and the inner compensation core 322 are each provided with at least one positioning hole 326 that matches the positioning pin 5; see also Figure 5 When the retractable core-filling mechanism 3 is in the retracted state, the positioning pin 5 is inserted into the positioning hole 326, thereby locking the positions of the inner core-filling component 322 and the outer core-filling component 312, thus preventing the flat core-filling component from falling into the wellhead due to misoperation of the first hydraulic cylinder and / or the second hydraulic cylinder during normal operation.

[0099] In a preferred embodiment, the telescopic fork 4 further includes a pad fork pressure plate 43, which is disposed on the upper surface of the platform body 2, and has a sliding space between its middle part and the upper surface of the platform body 2; specifically, two support plates are welded to the upper surface of the operating plate 21, and the two support plates are symmetrically spaced apart, and the pad fork pressure plate 43 is fastened to the two support plates by bolts, and the thickness of the support plates and the interval between the two support plates constitute the sliding space;

[0100] The third telescopic power 41 is disposed on the upper surface of the pad fork pressure plate 43. The pad fork 42 is slidably disposed in the sliding space, and the telescopic end of the third telescopic power 41 is detachably connected to the upper surface of the pad fork 42. Specifically, the third telescopic power 41 is a third hydraulic cylinder, which is mounted on the upper surface of the pad fork pressure plate 43 via a third hydraulic cylinder support. The upper surface of the pad fork 42 is provided with a hydraulic cylinder connecting lug, and the rod end of the third hydraulic cylinder is detachably connected to the hydraulic cylinder connecting lug. With this configuration, the telescopic movement of the third hydraulic cylinder can drive the pad fork 42 to telescopically move within the sliding space. When it is necessary to lock the drill pipe at the wellhead for uncoupling, the pad fork 42 is pushed out to cooperate with the wellhead drill pipe uncoupling operation.

[0101] Furthermore, the detachable design of the pad fork 42 allows for matching different specifications of pad forks 42 to different drill pipe specifications. Specifically, it can be equipped with pad forks 42 corresponding to conventional 4", 4 1 / 2", 5" and 5 1 / 2" drill pipes. The extension and retraction of the second hydraulic cylinder is controlled to drive the extension and retraction of the pad fork 42, which can clamp the drill pipe during the drilling process and cooperate with the wellhead drill pipe on / off coupling operation.

[0102] In a preferred embodiment, the pad fork 42 includes a plate body 421 and a second U-shaped opening 422 disposed at one end of the plate body 421. The second U-shaped opening 422 forms a fork for clamping the drill rod to assist in the upper and lowering of the coupling. The second U-shaped opening 422 and the first U-shaped opening are in the same direction.

[0103] The opening width of the two U-shaped openings can be set to different width dimensions according to different drill pipe specifications. Depending on the different specifications of the drill pipe, a pad fork 42 that matches the diameter of the drill pipe is provided.

[0104] As a preferred embodiment, see Figure 11 and Figure 10 When using this operating platform, the wellhead filler core 01 needs to be placed in the drill bit through hole 33. At the same time, the wellhead hydraulic slip lifting device 02 is also needed to operate the hydraulic slip. Therefore, the upper surface of the platform body 2 is also provided with a nut block 6 for the installation of the wellhead hydraulic slip lifting device 02 and a nut seat 7 for the installation of the external power head.

[0105] The upper surface of the external core component 312 may also be provided with at least two limiting plates 8 to prevent the wellhead core component 01 from rotating;

[0106] In use, simply fasten the wellhead hydraulic slip lifting device 02 onto the nut block 6 with bolts, and at the same time adjust the limiting plate 8 so that the limiting plate 8 touches the stop of the wellhead filler core 01 to prevent the wellhead filler core 01 from rotating.

[0107] The bottom of the platform body 2 is also provided with a foot pedal support structure 9 for supporting the installation of the foot pedal;

[0108] Specifically, the foot pedal support structure 9 includes horizontal plates respectively disposed at the bottom of the reinforcing rib plate 22, and the horizontal plates are also connected to the second connection by welding. A support leg is also provided at the bottom of the horizontal plate. The foot pedal support structure 9 facilitates the installation of the foot pedal and provides a standing position for the operator.

[0109] Nut block 6, nut seat 7, limiting plate 8 and foot pedal support structure 9 are provided on the platform body 2 to provide installation support for other working devices of drilling rig wellhead operation, thereby providing the versatility of this operating platform. Example 2

[0110] See Figure 1 and Figure 11 The present invention also provides a wellhead device, including a drilling rig body and a mast 10 disposed on the drilling rig body, wherein an operating platform as described in Embodiment 1 is disposed outside the mast 10;

[0111] Specifically, during transportation, the mast 10 is retracted, the operating platform is dismantled, and the operating platform is transferred using other means of transportation, so that the overall transportation height and weight of the wellhead equipment meet national road regulations.

[0112] During operation, the telescopic core-filling mechanism 3 is controlled to open and close the inner core-filling component 322 and the outer core-filling component 312 to a suitable size according to the drill pipe diameter, so that the corresponding drill tool can pass through; in addition, the telescopic fork 4 can be controlled to push out the pad fork 42 that matches the drill pipe diameter, so that the drill pipe can be clamped during the tripping and descent of the drill pipe, and cooperate with the wellhead drill pipe on / off operation.

[0113] The above are merely preferred embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. An operating platform, characterized in that, include: The connection structure includes a detachably connected first connecting plate and a second connecting plate; The platform body is integrally formed with the second connecting plate; the platform body includes an operating plate and two reinforcing ribs, the second connecting plate is vertically arranged, the operating plate is horizontal and vertically connected to the second connecting plate; and the operating plate is provided with a first U-shaped opening; A retractable core-filling mechanism is provided on the lower surface of the platform body for the passage of drill bits of different specifications; it includes an external core-filling mechanism and an internal core-filling mechanism, wherein the external core-filling mechanism includes a first telescopic device and an external core-filling component connected to the telescopic end of the first telescopic device; The inner core filling mechanism includes a second telescopic device and an inner core filling component connected to the telescopic end of the second telescopic device. The outer core filling component and the inner core filling component are arranged opposite to each other to form at least two types of drill tool passage holes for different specifications of drill tools to pass through. The retractable core-filling mechanism is disposed on the lower surface of the operating panel, and the drill bit is matched with the first U-shaped opening through a hole; The two reinforcing ribs are disposed between the operating plate and the second connecting plate, and are symmetrically arranged on both sides of the first U-shaped opening; The first telescopic device includes two first hydraulic cylinders, which are symmetrically arranged at the bottom of the platform body and located on both sides of the first U-shaped opening; Furthermore, the rodless end of the first hydraulic cylinder is connected to the end of the platform body near the second connecting plate, and the rod end is connected to the external compensation core. The second telescopic device includes two second hydraulic cylinders, which are symmetrically arranged at the bottom of the platform body, on both sides of the first U-shaped opening, and are arranged parallel to the first hydraulic cylinders at intervals. Furthermore, the rodless end of the second hydraulic cylinder is connected to the end of the platform body furthest from the second connecting plate, and the rod end is connected to the inner core component. A telescopic fork is disposed on the upper surface of the platform body for clamping drill rods of different specifications for assisting in the loading and unloading operations. It includes a third telescopic power and a pad fork detachably connected to the telescopic end of the third telescopic power. The telescopic fork is disposed behind the upper surface of the operating plate, and the fork opening direction of the pad fork is consistent with the opening direction of the first U-shaped opening.

2. The operating platform according to claim 1, characterized in that, The first connecting plate is used to be fixedly connected to the bottom of the wellhead equipment mast, and a toothed structure for bearing shear load is provided between the first connecting plate and the first connecting plate.

3. An operating platform according to claim 2, characterized in that, The toothed structure includes a groove on the first connecting plate and a protrusion on the second connecting plate that matches and is installed in the groove; Furthermore, both the groove and the protrusion are arranged to extend through the corresponding connecting plate along its length.

4. An operating platform according to any one of claims 1-3, characterized in that, The first connecting plate and the second connecting plate are detachably connected by a threaded pair. The first connecting plate has a plurality of threaded holes, and the corresponding second connecting plate has a plurality of through holes that match the threaded holes. The first connecting plate and the second connecting plate are detachably connected by screws.

5. An operating platform according to any one of claims 1-3, characterized in that, The outer core component includes a strip plate and an outer core plate connected to the strip plate, wherein the outer core plate has a first semi-circular opening away from the strip plate segment; The inner core component includes an inner core plate, and one end of the inner core plate is provided with a second semi-circular opening. The first semi-circular opening and the second semi-circular opening are matched and opposite to each other, which can form at least two specifications of drill tool passage holes for different drill tools to pass through.

6. An operating platform according to claim 5, characterized in that, The inner core component also includes two inner core connecting plates, which are symmetrically arranged about the second semi-circular opening and vertically arranged on the bottom surface of the inner core plate for connection to the telescopic end of the second telescopic device.

7. An operating platform according to any one of claims 1-3, characterized in that, The telescopic fork also includes a pad fork pressure plate, which is disposed on the upper surface of the platform body, and has a sliding space between its middle part and the upper surface of the platform body. The third telescopic force is disposed on the upper surface of the pad fork pressure plate, the pad fork is slidably disposed in the sliding space, and the telescopic end of the third telescopic force is detachably connected to the upper surface of the pad fork.

8. A wellhead device, characterized in that, It includes a drilling rig body and a mast mounted on the drilling rig body, and an operating platform as described in any one of claims 1-7 is provided outside the mast.

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