Device for conveying single drill rod in power catwalk
By using a limit hydraulic cylinder to drive a dial wheel to deliver a single drill rod, combined with an intelligent control system, the problems of time-consuming, labor-intensive, and safety hazards associated with drill rod delivery on the power catwalk are solved. This achieves automation and safety in drill rod delivery, improving both efficiency and safety.
Patent Information
- Application Number
- CN202520532256.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-25
AI Technical Summary
In the existing technology, the single drill rod conveying device of the power catwalk relies on manual rolling, which is time-consuming, labor-intensive, and poses safety hazards, resulting in low operator efficiency.
The system employs a limit hydraulic cylinder to drive the feed wheel to feed a single drill rod, combined with an intelligent control system, to achieve automated feeding of the drill rod. The angle of the conveying beam is adjusted by mechanical support legs to ensure that the drill rod rolls down smoothly. The feeding mechanism is adaptable to drill rods of different sizes, enabling unmanned operation and remote control.
It has automated and made the drill pipe delivery process safer, improved operational efficiency, reduced the labor intensity of operators, reduced mechanical collision accidents, and improved flexibility and reliability.
Smart Images

Figure CN223676207U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of oil drilling rig auxiliary equipment, and specifically relates to a device for conveying single drill pipe by power catwalk, which is widely applied to oil drilling and workover equipment such as offshore drilling rigs, skid-mounted drilling rigs, truck-mounted drilling rigs and workover rigs. BACKGROUND
[0002] The device for conveying single drill pipe by power catwalk is essential equipment for realizing automatic drilling pipe feeding of oil equipment. The existing technology has the following disadvantages: in recent years, users reflect that the drilling pipe feeding of the power catwalk matched with the drilling rig relies on manual rolling, which is time-consuming and labor-intensive, and has safety hazards and low work efficiency of the staff.
[0003] Therefore, in view of the above situation, it is urgent to design and produce a new device to meet the needs of such operators. CONTENT OF THE UTILITY MODEL
[0004] To solve the above technical defects, the utility model aims at providing a device for conveying single drill pipe by power catwalk, which realizes the automation and safety of the drill pipe conveying process, greatly improves the work efficiency, reduces the labor intensity of the operators and reduces or avoids work damage. The device adopts the mode of pushing and feeding single drill pipe by the limiting hydraulic cylinder and the gear wheel, thereby improving the flexibility, stability and reliability.
[0005] To achieve the above purpose, the utility model adopts the technical scheme: a device for conveying single drill pipe by power catwalk, which comprises a base, a conveying beam is arranged above the base, one end of the conveying beam is hingedly connected with an adjustable height mechanical support leg, and one end is hingedly connected with a first lug plate arranged on the surface of the base; a material pushing mechanism is arranged on each outer side surface of the conveying beam, the material pushing mechanism comprises a limiting hydraulic cylinder hingedly connected with the conveying beam and a gear wheel hingedly connected with the extension end of the limiting hydraulic cylinder, the gear wheel has a plurality of gear teeth, and when the gear teeth rotate, one of the gear teeth is always higher than the surface of the conveying beam. The limiting hydraulic cylinder pushes the gear wheel to rotate, and the single feeding of the drill pipe is realized.
[0006] Further, the gear wheel is provided with a plurality of types to meet drill pipes of different sizes.
[0007] The first lug plate is hingedly connected with the conveying beam through a first pin shaft.
[0008] The mechanical support leg is provided with a second lug plate on the side surface, and the second lug plate is hingedly connected with the conveying beam through a second pin shaft.
[0009] The outer side surface of the conveying beam is provided with a third lug plate hingedly connected with the limiting hydraulic cylinder, and the third lug plate is hingedly connected with the limiting hydraulic cylinder through a third pin shaft.
[0010] The limiting hydraulic cylinder is connected with an intelligent control system capable of realizing accurate position control.
[0011] The utility model discloses a work time from mechanical support leg one end loading, relies on the rising of mechanical support leg to make the conveying beam become oblique, thereby satisfy the realization of the falling of multiple drill rods, the drill rod falls one each time, reaches the gear of protruding conveying beam surface and stops down, after the subsequent drill rod completes loading, the telescopic rod of limiting hydraulic cylinder retracts, the gear of the rear end of the drill rod located in falling rotates to the protruding conveying beam surface at this time, finally makes the drill rod complete loading.
[0012] The mechanical support leg can adjust the height angle of the conveying beam.
[0013] The gear mechanism is installed with a gear wheel, and the limiting hydraulic cylinder is connected with the gear mechanism.
[0014] The utility model discloses conveniently realize unmanned operation, rely on remote control loading, and the device can accurately and reliably convey the drill rod to the predetermined working position, reduces manpower construction, prevents the mechanical collision accident of operator.
[0015] The utility model discloses a power catway conveying single drill rod device, which can send a single drill rod to a catway moving frame according to needs, complete the function of feeding the drill rod, and adjust the height angle of the conveying beam through the mechanical support leg, which is convenient for feeding and discharging the drill rod. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description.
[0017] Figure 1 It is the structural schematic diagram of the utility model.
[0018] The accompanying drawings Figure 1 In the drawings, 1 is a mechanical support leg, 2 is a second ear plate, 3 is a second pin shaft, 4 is a conveying beam, 5 is a base, 6 is a first pin shaft, 7 is a limiting hydraulic cylinder, 8 is a gear wheel, 9 is a third pin shaft, 10 is a third ear plate, and 11 is a first ear plate. DETAILED DESCRIPTION
[0019] Referring to the drawingsFigure 1 is an embodiment of the utility model, disclose a kind of device for power catway conveying single drill rod, including a pedestal 5, the pedestal 5 top is equipped with conveying beam 4, one end of the conveying beam 4 is hinged with the height-adjustable mechanical leg, and one end is hinged with the first lug plate 11 arranged on the surface of pedestal;The two outer sides of the conveying beam 4 are respectively equipped with a material pushing mechanism, the material pushing mechanism includes a limiting hydraulic cylinder 7 hinged with the conveying beam 4, a pushing wheel 8 hinged with the telescopic end of the limiting hydraulic cylinder 7, the pushing wheel 8 has multiple pushing teeth, and one of the pushing teeth is always higher than the surface of the conveying beam 4 when rotating, the pushing wheel 8 is rotated by the limiting hydraulic cylinder 7, and the single drill rod feeding is satisfied.
[0020] The height angle of the conveying beam 4 can be adjusted by the mechanical leg, which allows the operator to adjust the rolling angle of the drill rod according to the actual needs, so that the drill rod can be smoothly rolled to the material pushing mechanism. The pushing wheel 8 is installed in the material pushing mechanism, and the limiting hydraulic cylinder 7 is connected with the material pushing mechanism. The pushing wheel 8 is rotated by the hydraulic cylinder to realize the single drill rod feeding. The pushing wheel 8 is provided in multiple models to satisfy different sizes of drill rods, so that it has universality.
[0021] The first lug plate 11 is hinged together with the conveying beam 4 through the first pin shaft 6. The second lug plate 2 is provided on the side surface of the mechanical leg, and the second lug plate 2 is hinged together with the conveying beam 4 through the second pin shaft 3. The third lug plate 10 is provided on the outer side surface of the conveying beam 4 and is hinged together with the limiting hydraulic cylinder 7 through the third pin shaft 9. The above-mentioned three hinges not only reflect the flexibility of the whole device, but also can meet the actual requirements of drill rod feeding.
[0022] The limiting hydraulic cylinder 7 is connected with an intelligent control system capable of realizing accurate positioning. The limiting hydraulic cylinder 7 is operated by the intelligent control system, so that the position can be accurately controlled.
[0023] In the utility model, the drill rod is fed from one end of the mechanical leg during work, and the conveying beam 4 becomes inclined by rising of the mechanical leg, so that multiple drill rods can be realized to fall; one drill rod falls each time, and stops at the pushing tooth protruding from the surface of the conveying beam 4, and after the subsequent drill rod is fed, the telescopic rod of the limiting hydraulic cylinder 7 is retracted, at this time, the pushing tooth located at the rear end of the drill rod to be fallen rotates to the surface of the conveying beam 4, and finally the drill rod is completed to be fed.
[0024] The utility model conveniently realizes unmanned operation, and relies on remote control feeding; the device can accurately and reliably convey the drill rod to the predetermined working position, reduces manual construction, and prevents mechanical collision accidents of operators.
[0025] The above merely provides an example of the present application, and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. An apparatus for power cat conveyor of a single drill pipe comprising a base, characterised in that: The base is provided with a conveying beam, one end of the conveying beam is hinged with an adjustable height mechanical leg, and one end is hinged with a first lug plate arranged on the surface of the base; two outer sides of the conveying beam are respectively provided with a poking mechanism, the poking mechanism comprises a limiting hydraulic cylinder hinged with the conveying beam and a poking wheel hinged with the extension end of the limiting hydraulic cylinder, the poking wheel has a plurality of poking teeth, and when the poking teeth rotate, one of the poking teeth is always higher than the surface of the conveying beam; the poking wheel is rotated by the limiting hydraulic cylinder to meet the single rod feeding of the drill pipe.
2. The apparatus for power catenary conveying of single drill pipes according to claim 1, characterized in that: The poking wheel is provided with a plurality of models to meet different sizes of drill pipes.
3. The apparatus for power catenary conveying of single drill pipes according to claim 1, characterized in that: The first lug plate is hinged with the conveying beam through a first pin shaft.
4. The apparatus for power catenary conveying of single drill pipes according to claim 1, characterized in that: The mechanical leg is provided with a second lug plate on the side surface, and the second lug plate is hinged with the conveying beam through a second pin shaft.
5. The apparatus for power cat conveyance of single drill pipe as defined in claim 1 wherein: The outer side of the conveying beam is provided with a third lug plate hinged with the limiting hydraulic cylinder, and the third lug plate is hinged with the limiting hydraulic cylinder through a third pin shaft.
6. The apparatus for power cat conveyance of single drill pipe as defined in claim 1, wherein: The limiting hydraulic cylinder is connected with an intelligent control system capable of realizing accurate control.