CN111734327A - Discharging mechanism, power catwalk cloud beam adopting discharging mechanism and power catwalk - Google Patents

Discharging mechanism, power catwalk cloud beam adopting discharging mechanism and power catwalk Download PDF

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Publication number
CN111734327A
CN111734327A CN202010305705.XA CN202010305705A CN111734327A CN 111734327 A CN111734327 A CN 111734327A CN 202010305705 A CN202010305705 A CN 202010305705A CN 111734327 A CN111734327 A CN 111734327A
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CN
China
Prior art keywords
lifting
cloud
discharging
turning plate
turning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010305705.XA
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Chinese (zh)
Inventor
李世国
田力
王尊文
吕岩
蒋林宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Honghua Petroleum Equipment Co Ltd
Original Assignee
Sichuan Honghua Petroleum Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Honghua Petroleum Equipment Co Ltd filed Critical Sichuan Honghua Petroleum Equipment Co Ltd
Priority to CN202010305705.XA priority Critical patent/CN111734327A/en
Publication of CN111734327A publication Critical patent/CN111734327A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/14Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E21B19/15Racking of rods in horizontal position; Handling between horizontal and vertical position

Abstract

The invention discloses a discharging mechanism, a power catwalk cloud beam adopting the discharging mechanism and a power catwalk adopting the discharging mechanism, and belongs to the technical field of oil and gas drilling and production equipment. The invention relates to a discharging mechanism, which comprises a plurality of turning plate units, wherein each turning plate unit comprises a case and 2 lifting components which are assembled in the case and can do lifting motion, the tops of the 2 lifting components are movably connected with a same turning plate, and the turning plate can do lifting/overturning motion through the lifting motion of the 2 lifting components; a plurality of sets of turning plate units are arranged at intervals, and the lifting components of the adjacent turning plate units are respectively connected in series by two through rotating shafts to form 2 sets of rotating shaft assemblies; each set of rotating shaft assembly also comprises a driving device which can drive and link the corresponding rotating shaft to synchronously rotate and the lifting component to synchronously lift. The discharging mechanism can synchronously turn all the turning plates to any one of two sides of the discharging mechanism according to requirements, can be used for turning drilling tools, and is stable, reliable and high in synchronism.

Description

Discharging mechanism, power catwalk cloud beam adopting discharging mechanism and power catwalk
Technical Field
The invention relates to a discharging mechanism, a power catwalk cloud beam adopting the discharging mechanism and a power catwalk adopting the discharging mechanism, and belongs to the technical field of oil and gas drilling and production equipment.
Background
The power catwalk is conveying equipment used in the technical field of oil and gas drilling equipment, and can convey drilling tools on supporting legs (supporting legs can also be called bent frames) on two sides of the power catwalk to a drilling platform surface and also convey and arrange the drilling tools on the drilling platform surface to the supporting legs on two sides of the power catwalk; such as chinese patent CN201520866530.4, a power catwalk; chinese patent CN201420525189.1, an oil cylinder lifting type land power catwalk; chinese patent CN201420660266.4, a rack and pinion drill power catwalk.
The power catwalk cloud beam (the power catwalk cloud beam can also be called a V-shaped drilling tool supporting beam) of the power catwalk is used for placing and supporting a drilling tool carrier, and the drilling tool on the power catwalk cloud beam can be conveyed to a drilling floor through the sliding shoes assembled on the power catwalk cloud beam. The components of the power catwalk such as the shoe and the leg can be understood by referring to the patent documents listed above.
The discharging mechanism of the power catwalk can be used for turning the drilling tool from the support legs at two sides of the power catwalk to the power catwalk cloud beam in the middle of the power catwalk; the turning device can also be used for turning the drilling tool on the power catwalk cloud beam in the middle of the power catwalk to the supporting legs on the two sides. Through the action of the discharging mechanism of the power catwalk, the power catwalk can further convey the drilling tool to the drilling floor; or, further arranging the drilling tool on the supporting legs at two sides of the power catwalk.
When the cloud beam and the base of the power catwalk are both provided with the discharging mechanisms; a discharging mechanism assembled on the power catwalk cloud beam is hereinafter referred to as a cloud beam discharging mechanism; and the discharging mechanisms assembled on the bases on the two sides of the power catwalk cloud beam are called as base discharging mechanisms below. When the drilling tool on the supporting leg needs to be turned over to the power catwalk cloud beam, the drilling tool is conveyed to a base discharging mechanism of the base through the supporting leg (through the lifting of the supporting leg, see the prior art), and then the drilling tool is turned over to the power catwalk cloud beam (or the cloud beam discharging mechanism) through the base discharging mechanism; when the drilling tool on the power catwalk cloud beam needs to be turned over to the supporting leg, the drilling tool is turned over to the base discharging mechanism through the cloud beam discharging mechanism of the power catwalk cloud beam, and then the drilling tool is turned over to the supporting leg through the base discharging mechanism.
The structure form of the discharging mechanism of the power catwalk is various, the common discharging mechanism is composed of 2-3 groups of pipe pushing mechanisms, the pipe pushing mechanisms of each group are required to act simultaneously when the discharging mechanism acts, each group of pipe pushing mechanisms is driven by an independent execution original piece, a control system is required to control the execution original pieces to act simultaneously, the structure of the discharging mechanism is complex, and the synchronism is not ideal enough.
Disclosure of Invention
The invention aims to: aiming at the existing problems, the invention provides the discharging mechanism, the power catwalk cloud beam adopting the discharging mechanism and the power catwalk with the power catwalk cloud beam.
The technical scheme adopted by the invention is as follows:
a discharging mechanism comprises a plurality of sets of turning plate units, wherein each set of turning plate unit comprises a case and 2 lifting components which are assembled in the case and can do lifting motion, the tops of the 2 lifting components are movably connected with a same turning plate, and the turning plate can do lifting/overturning motion through the lifting motion of the 2 lifting components;
the turning plate units are arranged at intervals, and the lifting components of the adjacent turning plate units are respectively connected in series by two through rotating shafts to form 2 sets of rotating shaft assemblies;
each set of the rotating shaft assembly also comprises a driving device, and the driving device can drive and link the corresponding rotating shaft to synchronously rotate and the lifting component to synchronously lift.
When the discharging mechanism is adopted, the design that in each set of turning plate unit, a lifting component capable of lifting and descending is assembled in a case of the turning plate unit, the top of 2 lifting components is movably connected with the same turning plate, and the turning plate can be lifted and turned through the lifting and descending of 2 lifting components is benefited; the turnover plate can perform lifting motion, overturning motion or both lifting motion and overturning motion. Specifically, in each set of plate turnover unit, when 2 lifting components perform lifting motion with the same amplitude, the lifting motion of the plate turnover can be realized; when one lifting component does not move and the other lifting component does lifting movement, the turnover movement of the turning plate can be realized; when 2 lifting components do lifting motion with different amplitudes, the lifting motion of the turning plate and the turning motion of the turning plate can be realized.
Due to the fact that a plurality of sets of the turning plate units are arranged at intervals, the lifting components of the adjacent turning plate units are respectively connected in series and driven pairwise through the rotating shafts to form 2 sets of rotating shaft assemblies; each set of the rotating shaft assembly also comprises a driving device, and the driving device can drive and link the corresponding rotating shaft to synchronously rotate and the lifting component to synchronously lift; for each set of the rotating shaft assembly, the rotating shaft assembly comprises a rotating shaft, a lifting component and a driving device; the driving device can drive the rotating shaft to move and can also drive the lifting assembly to move, and because the rotating shaft and the lifting assembly are in series transmission, the rotating shaft and the lifting assembly can move in a linkage manner, namely the rotating shaft rotates, and the lifting assembly moves up and down. Therefore, all the rotating shafts of the set of rotating shaft assembly can synchronously rotate and all the lifting components synchronously lift by the driving of the driving device; therefore, the synchronous lifting/turning motion of the turning plates of all the turning plate units can be realized. For the convenience of understanding, 2 sets of shaft assemblies are respectively called a first set of shaft assembly (its shaft is called a first shaft, its lifting component is called a first lifting component, and its driving device is called a first driving device) and a second set of shaft assembly (its shaft is called a second shaft, its lifting component is called a second lifting component, and its driving device is called a second driving device). In an initial state, the turning plate of the discharging mechanism is in a low position; when the second driving device of the second set of rotating shaft assembly does not work and the first driving device of the first set of rotating shaft assembly drives the first rotating shaft of the first set of rotating shaft assembly to synchronously rotate and the lifting component to synchronously lift; turning the turning plates of each set of turning plate unit to one side of the discharging mechanism synchronously; when the first driving device is driven reversely, the discharging mechanism can be restored to the initial state. Similarly, when the first driving device does not work and the driving device drives the first driving device to work, the turning plates of each set of turning plate unit synchronously turn to the other side of the discharging mechanism. Similarly, when the first driving device and the driving device are driven synchronously to work, the turning plates of all the turning plate units can be driven to synchronously lift. Similarly, when the first driving device and the driving device do driving work with different amplitudes, the turning plates of all the turning plate units can do lifting motion and synchronously do turning motion. Through the action process, all the turning plates can be lifted as required and synchronously turned to any one side of two sides of the discharging mechanism, and the turning mechanism can be used for turning drilling tools. Compared with the pipe pushing mechanism in the prior art, the discharging mechanism is simpler in structure, more stable and reliable and higher in synchronism.
Furthermore, the turning plate is in a V shape or a flat plate shape. When the turning plate is in a V-shaped shape, the discharging mechanism can be assembled on a power catwalk cloud beam of the power catwalk and can be used for synchronously turning out drilling tools on the turning plate. When the turning plate is in a flat plate shape, the discharging mechanism can be assembled on a base of the power catwalk and can be used for synchronously turning out the drilling tools on the turning plate.
Furthermore, in each set of the turning plate unit, the turning plate is hinged with one lifting component and is connected with the other lifting component in a sliding mode. The purpose that the turning plate performs turnover motion when any one lifting component performs lifting motion can be achieved. Certainly, the turnover plate and the 2 lifting components are in sliding connection, but when the design is adopted, the freedom degree of the turnover plate is overlarge, the structure is not stable enough, and the turnover plate is easy to move. If the turning plate is hinged with 2 lifting components, the degree of freedom of the turning plate is too small, and the turning of the turning plate is difficult to realize.
Furthermore, each lifting component comprises a gear which is rotatably assembled in the case and a rack which is inserted into the case in a sliding manner from the top of the case, the rack is meshed with the gear, the top of the rack is movably connected with the turning plate so as to realize that the lifting component is connected with the turning plate, and the gear is connected with the rotating shaft so as to realize that the lifting component is connected with the rotating shaft. As the specific design of the lifting assembly, when the gear rotates, the rack is meshed with the gear, so that the rack can do lifting motion relative to the case, and the lifting motion of the lifting assembly can be realized. The rack is movably connected with the turning plate, so that 2 lifting components are movably connected with the same turning plate through the racks of the lifting components in each set of turning plate unit, and the turning plate can be lifted or turned. The gears are connected with the rotating shafts, so that the lifting component is connected with the rotating shafts through the gears, the gears are in series transmission through the rotating shafts in each set of rotating shaft assembly, and when the driving device drives one gear or one rotating shaft to rotate, all the gears and the rotating shafts synchronously rotate (the gears and the rotating shafts rotate around the axes of the gears and the rotating shafts) in each set of rotating shaft assembly, so that all the racks synchronously move up and down; thereby realizing synchronous lifting/turning motion of the turning plates of all the turning plate units.
Furthermore, a slide way is arranged in the case, and the rack is matched with the slide way and can slide up and down along the slide way. The slide plays the guide effect for the lift of rack, can improve the rack and make the reliability of elevating movement.
Furthermore, in each set of turning plate unit, a rib plate is arranged at the bottom of the turning plate, a vertical plate is arranged at the top of the rack of each lifting assembly, the top of the vertical plate of one lifting assembly is hinged with one end of the rib plate, and the top of the vertical plate of the other lifting assembly is slidably assembled in a sliding groove formed in the other end of the rib plate through a sliding rod. When the design is adopted, the purpose that the turning plate 41 is hinged with one lifting component and is in sliding connection with the other lifting component in each set of the turning plate unit 4 is achieved.
Further, the sliding rod is slidably assembled in the sliding groove through a bearing. When the design is adopted, the sliding rod can slide in the sliding groove (rolling friction) more easily, and energy is saved.
Furthermore, the turning plate unit is provided with a descending limiting structure for limiting the descending motion of the rack; or/and the turning plate unit is provided with a lifting limiting structure for limiting the lifting motion of the rack. The descending limit structure can control the descending amplitude of the rack, so that the rack is prevented from excessively descending; the ascending limit structure can control the ascending amplitude of the rack, and the rack is prevented from excessively ascending.
The utility model provides a power catwalk cloud roof beam, includes cloud roof beam body and assemble in be used for turning over out the cloud roof beam discharge mechanism of drilling tool on the cloud roof beam body, cloud roof beam discharge mechanism adopts foretell discharge mechanism.
A power catwalk adopts foretell discharge mechanism, or/and, adopts foretell power catwalk cloud roof beam.
The invention discloses a discharging mechanism, a power catwalk cloud beam adopting the discharging mechanism and a power catwalk.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the discharging mechanism, the power catwalk cloud beam adopting the discharging mechanism and the power catwalk adopting the discharging mechanism, due to the design of the turning plate unit, the turning plate can be lifted or turned or lifted and turned simultaneously; due to the integral design of the discharging mechanism, the turning plates of all the turning plate units can synchronously move up and down/turn over; by adopting the discharging mechanism, synchronous lifting of all turning plates according to requirements and synchronous overturning to any one of two sides of the discharging mechanism can be realized, and the discharging mechanism can be used for overturning drilling tools. Compared with the pipe pushing mechanism in the prior art, the synchronous motion of the power catwalk is the synchronous motion of a rigid structure, an additional control system is not needed for controlling and realizing the synchronous motion, and the discharging mechanism of the power catwalk is simpler in structure, more stable and reliable and higher in synchronism. The power catwalk cloud beam adopting the discharging mechanism and the power catwalk thereof have the beneficial effects.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a discharge mechanism of the present invention; wherein, the turning plate is in an unturning state;
FIG. 2 is a schematic structural view of the discharge mechanism of the present invention; wherein, the turning plate is in a state of turning to one side;
FIG. 3 is a schematic structural view of the discharge mechanism of the present invention; wherein, the turning plate is in a state of turning to the other side;
FIG. 4 is a schematic structural diagram of the flap unit from one view angle;
FIG. 5 is an enlarged view taken at A in FIG. 4;
FIG. 6 is a schematic structural diagram of a flap unit from another view angle;
FIG. 7 is a front view of the flap assembly; wherein the turning plate is in a V shape;
FIG. 8 is a front view of the flap assembly; wherein the turning plate is in a flat plate shape;
FIG. 9 is a schematic view of a slide within a chassis;
FIG. 10 is a schematic view of the connection of 2 driving devices with the flap unit from one view;
FIG. 11 is a schematic view of the connection between 2 driving devices and the flap unit from another view;
FIG. 12 is a schematic view of the structure of FIG. 11 in which one of the driving devices turns the flap of the flap unit to one side;
FIG. 13 is a schematic view of the driving device in FIG. 11 turning the flap of the flap unit to the other side;
FIG. 14 is a schematic structural view of a power catwalk cloud beam employing the discharge mechanism of the present invention; wherein, this power catwalk cloud roof beam is for turning over folding type structure, and discharge mechanism assembles on back cloud roof beam.
Fig. 15 is a side view of a folded power catwalk cloud beam; wherein the power catwalk cloud beam is in a turnover state;
fig. 16 is a side view of a folded power catwalk cloud beam; wherein the power catwalk cloud beam is in a flattening state;
fig. 17 is a schematic structural view of a power catwalk employing the power catwalk cloud of the present invention; the rear cloud beam is matched on the base, and the front cloud beam is matched on the ramp;
fig. 18 is a side view of a power catwalk employing the power catwalk cloud of the present invention; the power catwalk cloud beam is at a low position, and the drilling tool can be turned over to the supporting legs on the two sides from the power catwalk cloud beam; or the drilling tool can be turned over to the power catwalk cloud beam from the supporting legs on the two sides;
fig. 19 is a side view of a power catwalk employing the power catwalk cloud of the present invention; wherein the power catwalk cloud beam is in a rising or falling state;
fig. 20 is a side view of a power catwalk employing the power catwalk cloud of the present invention; the power catwalk cloud beam is at a high position, and the drilling tool can be conveyed to the drilling floor from the power catwalk cloud beam; alternatively, the drilling tool may be transported from the rig floor to the power catwalk cloud beam.
The labels in the figure are: 1-driving device, 11-motor, 12-reducer, 2-mounting seat, 3-connector, 4-flap unit, 41-cabinet, 411-slideway, 42-gear, 43-rack, 44-flap, 441-U-shaped groove, 45-rib plate, 451-articulated part, 452-slideway, 46-vertical plate, 461-sliding rod, 462-bearing, 47-push plate, 48-guide groove, 49-limiting block, 5-rotating shaft, 51-coupler, 6-power catwalk cloud beam, 60-articulated point, 61-front cloud beam, 62-rear cloud beam, 63-sliding shoe, 64-pulling rod, 7-ramp, 71-driving pulley, 8-base, 81-supporting leg and 9-cantilever.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Example one
As shown in fig. 1 to 13, the discharging mechanism of this embodiment includes a plurality of flap units 4, each flap unit 4 includes a case 41 and 2 lifting assemblies capable of performing lifting movement and assembled in the case 41, the top of each of the 2 lifting assemblies is movably connected to a same flap 44, and the flap 44 can perform lifting/tilting movement by the lifting movement of the 2 lifting assemblies;
a plurality of sets of the turning plate units 4 are arranged at intervals, and the lifting components of the adjacent turning plate units 4 are respectively connected in series and driven pairwise through the rotating shaft 5 to form 2 sets of rotating shaft assemblies;
each set of the rotating shaft assembly also comprises a driving device 1, and the corresponding rotating shaft 5 can be driven and linked by the driving device 1 to do synchronous rotating motion and the lifting component to do synchronous lifting motion.
When the discharging mechanism of the invention is adopted, as shown in fig. 4 to 13, the design that 2 lifting components capable of lifting and descending are assembled in the case 41 of each turning plate unit 4, the same turning plate 44 is movably connected to the tops of the 2 lifting components, and the turning plate can be lifted and turned through the lifting and descending motion of the 2 lifting components is benefited from the design that 2 lifting components are arranged in each turning plate unit 4; the turnover plate 44 can perform lifting movement, or overturning movement, or both lifting movement and overturning movement. Specifically, in each set of plate turning unit 4, when 2 lifting components perform lifting motion with the same amplitude, the lifting motion of the plate turning 44 can be realized; when one of the lifting components does not move and the other lifting component does lifting movement, the turnover movement of the turning plate 44 can be realized, as shown in fig. 12 and 13; when 2 lifting components perform lifting movements with different amplitudes, the lifting movement of the turning plate 44 and the overturning movement of the turning plate 44 can also be realized.
As shown in fig. 1 to 3, due to the "multiple sets of the plate turning units 4 are arranged at intervals, the lifting components of the adjacent plate turning units 4 are respectively connected in series by two through the rotating shafts 5 to form 2 sets of rotating shaft assemblies; each set of the rotating shaft assembly also comprises a driving device 1, and the driving device 1 can drive and link the corresponding rotating shaft 5 to synchronously rotate and the lifting component to synchronously lift; for each set of the rotating shaft assembly, the rotating shaft assembly comprises a rotating shaft 5, a lifting component and a driving device 1; the driving device 1 can drive the rotating shaft 5 to move and can also drive the lifting assembly to move, and because the rotating shaft 5 and the lifting assembly are in serial transmission, the rotating shaft 5 and the lifting assembly can move in a linkage manner, namely the rotating shaft 5 rotates and the lifting assembly moves up and down. Therefore, all the rotating shafts 5 of the set of rotating shaft assembly can synchronously rotate and all the lifting components synchronously lift by the driving of the driving device 1; so that a synchronous lifting/tilting movement of the flaps 44 of all flap units 4 can be achieved. For the convenience of understanding, as shown in fig. 2 and fig. 3, 2 sets of spindle assemblies are respectively referred to as a first set of spindle assembly (the spindle 5 is referred to as a first spindle 5a, the lifting component thereof is referred to as a first lifting component 4a, and the driving device 1 thereof is referred to as a first driving device 1a) and a second set of spindle assembly (the spindle 5 is referred to as a second spindle 5b, the lifting component thereof is referred to as a second lifting component 4b, and the driving device 1 thereof is referred to as a second driving device 1 b). As shown in fig. 1, in the initial state, the turning plate 44 of the discharging mechanism is in a low position; when the second driving device 1b of the second set of rotating shaft assembly does not work and the first driving device 1a of the first set of rotating shaft assembly drives to work, the first driving device 1a drives the first rotating shaft 5a of the first set of rotating shaft assembly to synchronously rotate and the first lifting component 4a to synchronously lift; turning the turning plates 44 of each set of turning plate units 4 towards one side of the discharging mechanism synchronously as shown in figure 2; when the first driving device 1a is driven in reverse, the discharge mechanism can be returned to the initial state. Similarly, when the first driving device 1a does not work and the driving device 1b works, the turning plates 44 of each set of turning plate units 4 are synchronously turned towards the other side of the discharging mechanism, as shown in fig. 3. Similarly, when the first driving device 1a and the second driving device 1b are driven synchronously, the turning plates 44 of all the turning plate units 4 can be lifted synchronously. Similarly, when the first driving device 1a and the second driving device 1b perform driving operations with different amplitudes, the turning plates 44 of all the turning plate units 4 can perform lifting movement and synchronously perform turning movement. Through the action process, all the turning plates 44 can be lifted as required and synchronously turned to any one of two sides of the discharging mechanism, and the turning mechanism can be used for turning drilling tools. Compared with the pipe pushing mechanism in the prior art, the discharging mechanism is simpler in structure, more stable and reliable and higher in synchronism. In one embodiment of the discharging mechanism of the present invention, the flap unit 4 has 2 sets, as shown in fig. 1 to 3, but it is also possible to have 3 sets, 4 sets or more sets of flap units 4 according to actual requirements.
In order to facilitate understanding of the technical features: the invention is explained by taking 2 sets of flap units 4 as an example, wherein the two adjacent lifting components of the flap units 4 are respectively connected in series through two phases of a rotating shaft 5. As shown in fig. 1, each set of plate turning unit 4 has 2 lifting components, the 2 sets of plate turning units 4 are opposite, and a first lifting component of a first plate turning unit 4 is connected in series with a first lifting component of a second plate turning unit 4 opposite to the first lifting component through a first rotating shaft 5; the second lifting component of the first flap unit 4 and the second lifting component of the second flap unit 4 opposite to the first lifting component are connected in series through a second rotating shaft 5.
Further, the turning plate 44 is in a V shape or a flat plate shape. In one embodiment, as shown in fig. 4-7, the flap 44 is V-shaped, and the discharging mechanism of the present invention can be assembled to the power catwalk cloud beam of the power catwalk and can be used to synchronously turn out the drilling tool thereon. In another embodiment, as shown in fig. 8, where the flap 44 is flat, the discharge mechanism of the present invention can be mounted to the base of the power catwalk and used to simultaneously flip out the drill thereon.
Further, as shown in fig. 4 to 8, in each set of the flap unit 4, the flap 44 is hinged with one of the lifting components and is connected with the other lifting component in a sliding manner. The purpose of turning the turning plate 44 can be achieved when any one lifting component does lifting movement. Of course, the turning plate 44 and the 2 lifting components can be connected in a sliding mode, but when the design is adopted, the degree of freedom of the turning plate 44 is too large, the structure is not stable enough, and the turning plate 44 is easy to move. If the flap 44 is hinged to 2 lifting assemblies, the degree of freedom of the flap 41 is too small to allow the flap 44 to be turned over.
Further, as shown in fig. 4 to 9, each of the lifting assemblies includes a gear 42 rotatably mounted in the chassis 41, and a rack 43 inserted into the chassis 41 and sliding from the top of the chassis 41, the rack 43 is engaged with the gear 42, the top of the rack 43 is movably connected to the turning plate 44 to connect the lifting assembly with the turning plate 44, and the gear 42 is connected to the rotating shaft 5 to connect the lifting assembly with the rotating shaft 5. As a specific design of the lifting assembly, when the gear 42 rotates, since the rack 43 is engaged with the gear 42, the rack 43 will perform lifting movement relative to the chassis 41, and the lifting movement of the lifting assembly can be realized. The rack 43 is movably connected with the turning plate 44, so that 2 lifting components can be movably connected with the same turning plate 44 through the rack 43 per se in each set of turning plate unit 4, and further the turning plate 44 can be lifted/turned. The gear 42 is connected with the rotating shaft 5 (for example, the gear 42 is connected with the rotating shaft 5 by the coupler 51), so that the lifting component is connected with the rotating shaft 5 through the gear 42, and then in each set of rotating shaft assembly, the gear 42 is in series transmission through the rotating shaft 5, and when the driving device 1 drives one of the gears 42 or the rotating shaft 5 to rotate, then in each set of rotating shaft assembly, all the gears 42 and the rotating shafts 5 synchronously rotate (the gears 42 and the rotating shafts 5 rotate around the own axes), so that all the racks 43 synchronously lift; so as to realize synchronous lifting/turning movement of the turning plates 44 of all the turning plate units 4. In each set of flap units 4: in one embodiment, preferably, the rack 43 of 2 lifting assemblies is located between the gears 42 of 2 lifting assemblies. In another embodiment, the racks 43 of 2 said lifting assemblies are located outside the gears 42 of 2 said lifting assemblies, respectively. In yet another embodiment, the rack 43 of one of the lift assemblies is located between the gears 42 of 2 of the lift assemblies, and the rack 43 of the other lift assembly is located outside of the gear 42 of one of the lift assemblies.
Further, the driving device is a motor 11. There are 1 motor 11 per set of spindle assemblies, and then 2 sets of spindle assemblies have 2 motors 11. As shown in fig. 1 to fig. 3, 2 of the motors 11 are located at one end of the multiple sets of the flap units, and the rotors of the 2 motors 11 are respectively connected with 2 gears 42 of the adjacent flap units 4, so that each motor 11 can drive the corresponding rotating shaft 5 to rotate and the lifting assembly to synchronously lift. Specifically, as shown in fig. 1 and 10 to 13, a mounting base 2 is disposed between 2 motors 11 and the flap unit 4, the 2 motors 11 are respectively assembled on one side of the same mounting base 2 through speed reducers 12 (of course, speed reducers 12 may not be used), rotors of the 2 motors 11 are respectively connected to input shafts of the 2 speed reducers 12, and output shafts of the 2 speed reducers 12 rotatably penetrate through the other side of the mounting base 2 (for example, the output shaft of the speed reducer 12 is connected to the mounting base 2 through a bearing), and are respectively connected to 2 gears 42 of the flap unit 4 through connectors 3. Further, the motor 11 is a forward and reverse motor, and the motor 11 may be an electric motor or a hydraulic motor.
Further, as shown in fig. 4, 6, and 9, a slide way 411 is disposed in the case 41, and the rack 43 is engaged with the slide way 411 and can slide up and down along the slide way 411. The slide 411 serves as a guide for the lifting of the rack 43, and the reliability of the lifting movement of the rack 43 can be improved. Specifically, the slideway 411 includes a plurality of vertically distributed guide bars arranged in the case 41, a space is left between the guide bars, a guide groove 48 adapted to the guide bar is vertically arranged on the non-tooth surface of the rack 43, and the guide groove 48 can slide up and down along the guide bar.
Further, as shown in fig. 4 to 6, in each set of turning plate unit 4, a rib plate 45 is disposed at the bottom of the turning plate 44, a vertical plate 46 is disposed at the top of the rack 43 of each lifting assembly, the top of the vertical plate 46 of one lifting assembly is hinged to one end of the rib plate 45, and the top of the vertical plate 46 of the other lifting assembly is slidably assembled in a sliding groove 452 disposed at the other end of the rib plate 45 through a sliding rod 461. When the design is adopted, the purpose that the turning plate 41 is hinged with one lifting component and is in sliding connection with the other lifting component in each set of the turning plate unit 4 is achieved. The design that the top of the vertical plate 46 of one lifting assembly is hinged with one end of the rib plate 45 is called as a hinged part 451; when the flap 44 is turned, the flap 44 is turned up and down around the hinge 451.
Further, as shown in fig. 5, the sliding rod 461 is slidably assembled in the sliding groove 452 through a bearing 462. When the design is adopted, the sliding rod 461 can slide in the sliding groove 452 more easily (rolling friction), and energy is saved. In one embodiment, as shown in fig. 4 to 6, in each set of flap unit 4, there are 2 rib plates 45 arranged at the bottom of the flap 44, and 2 vertical plates 46 arranged at the top of each lifting assembly; for the structure that the top of the vertical plate 46 of the other lifting assembly is slidably assembled in the sliding groove 452 arranged at the other end of the rib plate 45 through the sliding rod 461, the sliding rod 461 passes through the two vertical plates 46 and is fixedly connected with the two vertical plates, both the two rib plates 45 are provided with the sliding grooves 452, and both ends of the sliding rod 461 are slidably assembled in the two sliding grooves 452 through the bearings 462 respectively.
Furthermore, the plate turning unit 4 is provided with a descending limiting structure for limiting the descending motion of the rack; or/and the turning plate unit 4 is provided with a lifting limiting structure for limiting the lifting motion of the rack. The descending limit structure can control the descending amplitude of the rack 43, and the rack 43 is prevented from excessively descending. In one embodiment, as shown in fig. 4 to 6, a structural form of a descending limiting structure is specifically disclosed: a push plate 47 is arranged on the top of the rack 43 (the push plate 47 is arranged between the rack 43 and the vertical plate 46), the push plate 47 protrudes out of the side direction of the rack 43, and the width of the push plate 47 is larger than that of the inner cavity of the case 41; when the rack 43 is moved downward in use, the rack 43 cannot be lowered any more when the push plate 47 contacts with the top of the case 41. The ascending limit structure can control the ascending amplitude of the rack 43 and avoid the excessive ascending of the rack 43. In another embodiment, as shown in fig. 4, a structural form of the ascending limiting structure is specifically disclosed: a limit block 49 is arranged at the bottom side of the rack 43 (preferably, the limit block 49 is arranged at the bottom side of the guide groove 48 of the rack 43), and a stop block (not shown) corresponding to the limit block 49 is arranged in the case 41; when the lifting mechanism is used, when the rack 43 moves upwards, and the limit block 49 is in contact with the stop block, the rack 43 can not rise any more.
Example two
As shown in fig. 1 to 14, the cloud beam of the power catwalk of the embodiment includes a cloud beam body and a cloud beam discharging mechanism assembled on the cloud beam body and used for turning out a drilling tool, and the cloud beam discharging mechanism adopts the discharging mechanism of the first embodiment. Preferably, the flap 44 is V-shaped. Preferably, as shown in fig. 7, a U-shaped groove 441 is formed in the center of the V-shaped turning plate 441, and the design of the U-shaped groove 441 is beneficial to the movement of the sliding shoe on the cloud beam of the power catwalk, so that the sliding shoe can be prevented from interfering with the turning plate 441.
How to use the discharging mechanism of the first embodiment does not have the technical problem. The following is briefly introduced here: along the length direction of the cloud beam body, the discharging mechanism is accommodated in the cloud beam body, the mounting seat 2 and the case 41 of the discharging mechanism are fixedly connected with the cloud beam body of the power catwalk cloud beam, the turning plate 44 of the discharging mechanism corresponds to the drilling tool supporting surface (in a V shape) of the cloud beam body, when the turning plate 44 rises to the highest position, the turning plate 44 is higher than the drilling tool supporting surface of the cloud beam body, and when the turning plate 44 descends to the lowest position, the turning plate 44 is not higher than the drilling tool supporting surface of the cloud beam body. When the turning plate 44 of the discharging mechanism rises and turns over, the drilling tool on the cloud beam of the power catwalk can be turned out. Further, as shown in fig. 14, the power catwalk cloud beam further includes a skid shoe 63 mounted on the cloud beam body (such as a rear cloud beam 62 described below) and capable of conveying a drilling tool on the power catwalk cloud beam to the drill floor.
In one embodiment, as shown in fig. 14 to 16, the power catwalk cloud beam 6 is a folded structure, the cloud beam body includes a front cloud beam 61 and a rear cloud beam 62, the rear end of the front cloud beam 61 is hinged to the front end of the rear cloud beam 62, and the hinged point of the front cloud beam and the rear cloud beam is called a hinge point 60; when the front cloud beam 61 is turned around the hinge point 60, the included angle between the drilling tool supporting surface of the front cloud beam and the drilling tool supporting surface of the rear cloud beam is changed, and the discharging mechanism is assembled on the rear cloud beam 62. As shown in fig. 16, when the front cloud beam 61 is turned around the hinge point to flatten the cloud beam body, the drilling tool supporting surface of the front cloud beam 61 is substantially coplanar with the drilling tool supporting surface of the rear cloud beam 62, and the drilling tool supporting surface of the front cloud beam and the drilling tool supporting surface of the rear cloud beam are combined to form the drilling tool supporting surface of the cloud beam body, which can be used for conveying a drilling tool to a drilling floor. The specific design of the power catwalk cloud beam with the folding structure, the front cloud beam 61 is not required to be matched on the base 8 but matched on the ramp 7, the size of the base can be shortened, the size of the power catwalk can be reduced, materials can be saved, the manufacturing cost is reduced, and the method is specific and refers to the third embodiment. In another embodiment, the discharging mechanism of the present invention is applied to a support beam of a V-shaped drilling tool of the background art.
EXAMPLE III
As shown in fig. 1 to 20, a power catwalk of the present embodiment employs a discharging mechanism of the first embodiment, or/and a power catwalk cloud beam of the second embodiment.
The invention mainly aims to provide a discharging mechanism of a power catwalk, which can be used for turning a drilling tool, has a simpler structure, is more stable and reliable, has higher synchronism, and is synchronous movement of a rigid structure. For convenience of understanding, the embodiment simply describes the discharging mechanism and the cloud beam of the power catwalk, and an example of the cloud beam applied to the power catwalk. Specifically, the following is described.
As shown in fig. 17 to 20, the power catwalk includes the power catwalk cloud beam 6 of the folding structure of the second embodiment (the flap 44 of the discharging mechanism of the power catwalk cloud beam is V-shaped, and the discharging mechanism is called a cloud beam discharging mechanism), and further includes:
the device comprises a ramp 7, wherein 2 driving pulleys 71 are assembled on two sides of the front surface of the ramp 7, and the driving pulleys 71 can move up and down along the front surface of the ramp and are used for driving a power catwalk cloud beam 6 to lift;
a base 8, the front end of the base 8 is connected with the bottom end of the ramp 7, and the legs 81 are assembled on both sides of the base 8 (the design of other components such as the legs 81 can refer to the patent documents listed in the background technology);
the upper end of the cantilever 9 is hinged with the rear end of a rear cloud beam 62 of the power catwalk cloud beam 6, and the lower end of the cantilever 9 is hinged to the middle of the base 8;
the power catwalk cloud beam 6 is positioned between the two driving pulleys 71, the front end of the front cloud beam 61 is matched with the front surface of the ramp 7 and can slide up and down along the front surface of the ramp 7, and the two driving pulleys 71 are connected with the two sides of the front end of the rear cloud beam 62 through the pull rod 64 and used for driving the front end of the rear cloud beam 62 to be linked with the front cloud beam 61 to move up and down on the front surface of the ramp 7;
on both sides of the rear cloud beam 62 of the power catwalk cloud beam 6, the base 8 is equipped with the discharging mechanism of the first embodiment (the turning plate 44 of the discharging mechanism is flat, and the discharging mechanism is called a base discharging mechanism).
When the driving pulley 71 moves upwards, as shown in fig. 19, the driving pulley 71 drives the front end of the rear cloud beam 62 to move towards the top end of the ramp 7, the rear end of the rear cloud beam 62 drives the upper end of the cantilever 9 to gradually move away from the base 8, the front end of the front cloud beam 61 moves upwards along the front surface of the ramp 7, the power catwalk cloud beam 6 is gradually unfolded until the front cloud beam 61 passes through the upper part of the ramp 7, and the power catwalk cloud beam 6 is flattened as shown in fig. 20; at the moment, the drilling tools on the power catwalk cloud beam can be conveyed to the drilling platform surface; or, the drilling tool on the drilling platform surface can be conveyed to the power catwalk cloud beam;
when the driving pulley 71 goes downward, as shown in fig. 19, the driving pulley 71 drives the front end of the rear cloud beam 62 to move towards the bottom end of the ramp 7, the rear end of the rear cloud beam 62 drives the upper end of the cantilever 9 to gradually approach the base 8, the front end of the front cloud beam 61 moves downward along the front surface of the ramp 7, and the power catwalk cloud beam 6 is gradually turned over until the cantilever 9 and the rear cloud beam 62 are matched on the base 8, and the front cloud beam 61 is matched on the ramp 7, as shown in fig. 17 and 18; at the moment, the drilling tool on the cloud beam of the power catwalk can be turned over to the supporting legs on the two sides through the cloud beam discharging mechanism and the base discharging mechanism; or the drilling tools on the supporting legs on the two sides of the power catwalk can be turned to the cloud beam of the power catwalk through the supporting legs, the base discharging mechanism and the cloud beam discharging mechanism.
It can be understood by those skilled in the art that the discharging mechanism of the present invention can be applied to the power catwalk with the structure shown in fig. 17 to fig. 20, and can also be applied to the power catwalk with other structure forms (such as the power catwalk described in the patent documents listed in the background of the invention), and of course, can also be applied to other oil and gas drilling and production equipment which needs to turn over objects, and the like, that is, all the oil and gas drilling and production equipment, especially the power catwalk, which adopts the discharging mechanism of the present invention is within the protection scope claimed by the present invention.
In summary, the discharging mechanism, the power catwalk cloud beam adopting the discharging mechanism and the power catwalk adopting the power catwalk cloud beam can realize the lifting motion, the overturning motion or the lifting motion and the overturning motion of the overturning plate due to the design of the overturning plate unit; due to the integral design of the discharging mechanism, the turning plates of all the turning plate units can synchronously move up and down/turn over; by adopting the discharging mechanism, synchronous lifting of all turning plates according to requirements and synchronous overturning to any one of two sides of the discharging mechanism can be realized, and the discharging mechanism can be used for overturning drilling tools. Compared with the pipe pushing mechanism in the prior art, the synchronous motion of the power catwalk is the synchronous motion of a rigid structure, an additional control system is not needed for controlling and realizing the synchronous motion, and the discharging mechanism of the power catwalk is simpler in structure, more stable and reliable and higher in synchronism. The power catwalk cloud beam adopting the discharging mechanism and the power catwalk thereof have the beneficial effects.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.

Claims (10)

1. The utility model provides a discharge mechanism which characterized in that: the device comprises a plurality of flap units, wherein each flap unit comprises a case and 2 lifting components which are assembled in the case and can do lifting motion, the tops of the 2 lifting components are movably connected with a same flap, and the flap can do lifting/overturning motion through the lifting motion of the 2 lifting components;
the turning plate units are arranged at intervals, and the lifting components of the adjacent turning plate units are respectively connected in series by two through rotating shafts to form 2 sets of rotating shaft assemblies;
each set of the rotating shaft assembly also comprises a driving device, and the driving device can drive and link the corresponding rotating shaft to synchronously rotate and the lifting component to synchronously lift.
2. A discharge mechanism according to claim 1, wherein: the turning plate is in a V shape or a flat plate shape.
3. A discharge mechanism according to claim 1, wherein: in each set of the turning plate unit, the turning plate is hinged with one lifting component and is connected with the other lifting component in a sliding manner.
4. A discharge mechanism according to claim 1, wherein: each lifting component comprises a gear which is rotatably assembled in the case and a rack which is inserted into the case from the top of the case in a sliding manner, the rack is meshed with the gear, the top of the rack is movably connected with the turning plate so as to realize that the lifting component is connected with the turning plate, and the gear is connected with the rotating shaft so as to realize that the lifting component is connected with the rotating shaft.
5. The discharge mechanism of claim 4, wherein: a slide way is arranged in the case, and the rack is matched with the slide way and can slide up and down along the slide way.
6. The discharge mechanism of claim 4, wherein: in each set of turning plate unit, a rib plate is arranged at the bottom of the turning plate, a vertical plate is arranged at the top of the rack of each lifting assembly, the top of the vertical plate of one lifting assembly is hinged with one end of the rib plate, and the top of the vertical plate of the other lifting assembly is slidably assembled in a sliding groove formed in the other end of the rib plate through a sliding rod.
7. A discharge mechanism as claimed in claim 4 or 6, wherein: the sliding rod is slidably assembled in the sliding groove through a bearing.
8. The discharge mechanism of claim 4, wherein: the turning plate unit is provided with a descending limiting structure for limiting the descending motion of the rack; or/and the turning plate unit is provided with a lifting limiting structure for limiting the lifting motion of the rack.
9. The utility model provides a power catwalk cloud roof beam, includes cloud roof beam body and assemble in be used for turning over the cloud roof beam discharge mechanism of drilling tool on the cloud roof beam body, its characterized in that: the cloud beam discharging mechanism adopts a discharging mechanism as claimed in any one of claims 1 to 8.
10. A power catwalk, its characterized in that: use of a discharge mechanism as claimed in any one of claims 1 to 8, or/and use of a powered catwalk cloud beam as claimed in claim 9.
CN202010305705.XA 2020-04-17 2020-04-17 Discharging mechanism, power catwalk cloud beam adopting discharging mechanism and power catwalk Pending CN111734327A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203584340U (en) * 2013-12-05 2014-05-07 吉林大学 Catwalk turnover plate mechanism
CN104481428A (en) * 2014-11-25 2015-04-01 中国石油大学(华东) Terrestrial deep drilling rig energy saving power catwalk
CN204436288U (en) * 2015-02-11 2015-07-01 中国石油化工股份有限公司 The automatic feeding apparatus of a kind of tubing string
CN104863528A (en) * 2015-04-09 2015-08-26 山东科瑞机械制造有限公司 Drilling tool-lifting and height-adjustable power catwalk
CN106869826A (en) * 2017-03-24 2017-06-20 中曼石油天然气集团股份有限公司 A kind of new petroleum drill machine dynamic catwalk and its drilling tool stowage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203584340U (en) * 2013-12-05 2014-05-07 吉林大学 Catwalk turnover plate mechanism
CN104481428A (en) * 2014-11-25 2015-04-01 中国石油大学(华东) Terrestrial deep drilling rig energy saving power catwalk
CN204436288U (en) * 2015-02-11 2015-07-01 中国石油化工股份有限公司 The automatic feeding apparatus of a kind of tubing string
CN104863528A (en) * 2015-04-09 2015-08-26 山东科瑞机械制造有限公司 Drilling tool-lifting and height-adjustable power catwalk
CN106869826A (en) * 2017-03-24 2017-06-20 中曼石油天然气集团股份有限公司 A kind of new petroleum drill machine dynamic catwalk and its drilling tool stowage

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