阅读说明：本技术 指梁间距调整机构以及指梁间距调整系统 (Fingerboard spacing adjustment mechanism and fingerboard spacing adjustment system ) 是由 张涛 唐清亮 傅炳炎 于 2019-11-04 设计创作，主要内容包括：本申请涉及石油机械技术领域,尤其是涉及一种指梁间距调整机构以及指梁间距调整系统。指梁间距调整机构,用于夹持钻杆,包括第一指梁组以及第二指梁组；第一指梁组形成有第一间隙,第二指梁组形成有第二间隙,钻杆能够穿过第一间隙以及第二间隙,以使第一指梁组和第二指梁组夹持钻杆；第一指梁组与第二指梁组能够相对运动,以使第一间隙与第二间隙沿第一方向发生错位,用于夹持不同直径的所述钻杆。本申请结构简单,操作简单,工作效率高。(The application relates to the technical field of petroleum machinery, in particular to a fingerboard spacing adjusting mechanism and a fingerboard spacing adjusting system. The fingerboard spacing adjusting mechanism is used for clamping a drill rod and comprises a first fingerboard group and a second fingerboard group; the first finger beam group is provided with a first gap, the second finger beam group is provided with a second gap, and the drill rod can pass through the first gap and the second gap so that the first finger beam group and the second finger beam group clamp the drill rod; the first finger beam set and the second finger beam set can move relatively, so that the first gap and the second gap are staggered along the first direction, and the first finger beam set and the second finger beam set are used for clamping the drill rods with different diameters. The device is simple in structure, simple to operate and high in working efficiency.)

1. A fingerboard spacing adjusting mechanism is used for clamping a drill rod and is characterized by comprising a first fingerboard group and a second fingerboard group;

the first finger beam group is provided with a first gap, the second finger beam group is provided with a second gap, and the drill rod can pass through the first gap and the second gap so that the first finger beam group and the second finger beam group clamp the drill rod;

the first finger beam group and the second finger beam group can move relatively, so that the first gap and the second gap are staggered along a first direction, and the first finger beam group and the second finger beam group are used for clamping the drill rods with different diameters.

2. The fingerboard spacing adjustment mechanism of claim 1, further comprising a drive assembly;

the driving assembly is connected with a first fixed end of the first finger beam group;

or the driving component is connected with a second fixed end of the second finger beam group;

or the driving assembly is respectively connected with the first fixed end of the first finger beam group and the second fixed end of the second finger beam group;

the driving assembly is used for driving the first finger beam group and the second finger beam group to move relatively.

3. The fingerboard spacing adjustment mechanism of claim 2, wherein the drive assembly comprises a motor, a worm connected to the motor output shaft, a worm gear connected to the worm, a drive shaft connected to the worm gear, a gear connected to the drive shaft, and a rack;

the rack is arranged at the first fixed end of the first finger beam group or the second fixed end of the second finger beam group or the rack is respectively arranged at the first fixed end of the first finger beam group and the second fixed end of the second finger beam group;

the output shaft of the motor can drive the worm to rotate, the worm can drive the worm wheel to rotate, the worm wheel can drive the gear to rotate through the transmission shaft, and the gear drives the first finger beam group and the second finger beam group to move relatively through the rack.

4. The mechanism of claim 3, wherein the first finger set and the second finger set are arranged along a second direction, the first finger set includes a plurality of first fingers arranged in parallel along the first direction, the first gap is formed between two adjacent first fingers, and one end of each of the plurality of first fingers is fixedly connected to form the first fixing end; the second finger beam group comprises a plurality of second finger beams which are arranged in parallel along the first direction, the second finger beams are adjacent to each other, the second gap is formed between the second finger beams, and the second finger beams are multiple, one end of the second finger beam group is fixedly connected with the second fixed end, and the second finger beams are fixed to the second fixed end.

5. The mechanism of claim 4, wherein a sliding block is disposed on a side wall of the first finger facing the second finger along the first direction, a sliding slot is disposed on a side wall of the second finger facing the first finger along the first direction, and the sliding block is adapted to the sliding slot.

6. The mechanism of claim 4, wherein the opposing sidewalls of two adjacent first fingers are each provided with a first limiting member, and the first limiting members are each provided with a first limiting groove; and two adjacent second limiting parts are arranged on the opposite side walls of the second finger beams, second limiting grooves are formed in the second limiting parts, and the first limiting grooves and the second limiting grooves are used for fixing the drill rod.

7. The fingerboard spacing adjustment mechanism of claim 4, wherein a clamping portion is disposed on a side wall of the first fingerboard facing away from the second fingerboard, and the clamping portion is used for limiting the drill rod.

8. A fingerboard spacing adjustment system, comprising the fingerboard spacing adjustment mechanism of any one of claims 2-7 and a support frame;

the supporting frame is provided with the finger beam distance adjusting mechanism.

9. The fingerboard spacing adjustment system of claim 8, wherein a console is disposed on the support frame and is located on one side of the fingerboard spacing adjustment mechanism.

10. The fingerboard spacing adjustment system of claim 9, wherein a robotic arm is provided on the operator station, the robotic arm being capable of grasping the drill rod and placing it onto the fingerboard spacing adjustment mechanism.

Technical Field

The application relates to the technical field of petroleum machinery, in particular to a fingerboard spacing adjusting mechanism and a fingerboard spacing adjusting system.

Background

In the existing drilling and workover operation process, especially the drilling operation of deep wells and ultra-deep wells, a plurality of drill rods with different diameters are needed, and the existing drill rods are usually clamped by a fingerboard spacing adjusting mechanism and are clamped by adjusting the spacing between adjacent fingerboards.

However, the conventional fingerboard spacing adjustment mechanism is complicated in fingerboard spacing adjustment operation and low in work efficiency.

Disclosure of Invention

The utility model aims at providing a finger distance adjustment mechanism and finger distance adjustment system to solve the technical problem of inefficiency in the adjustment of finger distance among the prior art to a certain extent.

The application provides a fingerboard spacing adjusting mechanism which is used for clamping a drill rod and comprises a first fingerboard group and a second fingerboard group;

the first finger beam group is provided with a first gap, the second finger beam group is provided with a second gap, and the drill rod can pass through the first gap and the second gap so that the first finger beam group and the second finger beam group clamp the drill rod;

the first finger beam group and the second finger beam group can move relatively, so that the first gap and the second gap are staggered along a first direction, and the first finger beam group and the second finger beam group are used for clamping the drill rods with different diameters.

In the above technical solution, further, the device further comprises a driving assembly;

the driving assembly is connected with a first fixed end of the first finger beam group;

or the driving component is connected with a second fixed end of the second finger beam group;

or the driving assembly is respectively connected with the first fixed end of the first finger beam group and the second fixed end of the second finger beam group;

the driving assembly is used for driving the first finger beam group and the second finger beam group to move relatively.

In the above technical solution, further, the driving assembly includes a motor, a worm connected to an output shaft of the motor, a worm wheel connected to the worm, a transmission shaft connected to the worm wheel, a gear connected to the transmission shaft, and a rack;

the rack is arranged at the first fixed end of the first finger beam group or the second fixed end of the second finger beam group or the rack is respectively arranged at the first fixed end of the first finger beam group and the second fixed end of the second finger beam group;

the output shaft of the motor can drive the worm to rotate, the worm can drive the worm wheel to rotate, the worm wheel can drive the gear to rotate through the transmission shaft, and the gear drives the first finger beam group and the second finger beam group to move relatively through the rack.

In the above technical solution, further, the first finger group and the second finger group are arranged along a second direction, the first finger group includes a plurality of first fingers arranged in parallel along the first direction, a first gap is formed between two adjacent first fingers, and one end of each of the plurality of first fingers is fixedly connected to form the first fixed end; the second finger beam group comprises a plurality of second finger beams which are arranged in parallel along the first direction, the second finger beams are adjacent to each other, the second gap is formed between the second finger beams, and the second finger beams are multiple, one end of the second finger beam group is fixedly connected with the second fixed end, and the second finger beams are fixed to the second fixed end.

In the above technical solution, further, a sliding block is disposed on the side wall of the first finger beam facing the second finger beam along the first direction, a sliding groove is disposed on the side wall of the second finger beam facing the first finger beam along the first direction, and the sliding block is adapted to the sliding groove.

In the above technical solution, further, opposite side walls of two adjacent first finger beams are provided with first limiting pieces, and the first limiting pieces are provided with first limiting grooves; and two adjacent second limiting parts are arranged on the opposite side walls of the second finger beams, second limiting grooves are formed in the second limiting parts, and the first limiting grooves and the second limiting grooves are used for fixing the drill rod.

In the above technical scheme, further, a clamping portion is arranged on a side wall of the first finger beam, which deviates from the second finger beam, and the clamping portion is used for limiting the drill rod.

The application also provides a fingerboard spacing adjusting system, which comprises the fingerboard spacing adjusting mechanism and a supporting frame in the scheme; the supporting frame is provided with the finger beam distance adjusting mechanism.

In the above technical solution, further, an operation table is disposed on the support frame, and the operation table is located on one side of the fingerboard spacing adjustment mechanism.

In the above technical scheme, further, a mechanical arm is arranged on the operating platform, and the mechanical arm can grab the drill rod and place the drill rod on the finger beam distance adjusting mechanism.

Compared with the prior art, the beneficial effect of this application is:

the utility model provides a fingerboard interval guiding mechanism, it includes two-layer fingerboard group, be first fingerboard group and second fingerboard group respectively (first fingerboard group and second fingerboard group are arranged along the second direction), wherein be formed with the first clearance on the first fingerboard group, be formed with the second clearance on the second fingerboard group, the drilling rod can pass first clearance and second clearance to utilize first fingerboard group and second fingerboard group centre gripping drilling rod of first diameter; when a drill rod with a second diameter needs to be clamped, the first finger beam group and the second finger beam group can move relatively, the first gap and the second gap are staggered along the first direction, namely, the distance between clamping spaces formed by the first gap and the second gap is adjusted, and the drill rod with the second diameter can be clamped.

Specifically, in the actual use process, the length, width and height of the first finger beam group and the second finger beam group are preferably the same, the width of the first gap and the width of the second gap are preferably the same, and the width of the first gap and the width of the second gap are set to be H. When the first finger beam group and the second finger beam group are completely overlapped, the distance between clamping spaces formed by the first gap and the second gap is H, and the distance H between the clamping spaces is used for clamping a drill rod with a first diameter (large diameter) (namely the maximum diameter of the drill rod at the moment is H); when the first finger beam group and the second finger beam group move relatively, the first gap and the second gap are staggered, the distance of the clamping space for clamping the drill rod is changed to h, and the distance h of the clamping space is used for clamping the drill rod with the second diameter (the diameter of the drill rod with the second diameter is smaller than that of the drill rod with the first diameter) (namely the diameter of the drill rod is h). Compared with the mode that one or more finger beams in the single-layer finger beam group need to be rotated and moved away when the single-layer finger beam group is used for clamping drill rods with different diameters in the prior art, and then the distance between the rest finger beams is adjusted to clamp the drill rods with different diameters, the single-layer finger beam group clamping device is simple in structure, easy to operate and greatly improved in working efficiency.

The application also provides a fingerboard spacing adjusting system, which comprises the fingerboard spacing adjusting mechanism and a supporting frame in the scheme; the supporting frame is provided with the finger beam distance adjusting mechanism. Based on the analysis, the distance between the finger beam groups can be conveniently adjusted by the finger beam distance adjusting system, so that the system is suitable for clamping more drill rods with different diameters, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a fingerboard spacing adjustment mechanism according to an embodiment of the present disclosure, when a first fingerboard set and a second fingerboard set are not misaligned (i.e., the first fingerboard set and the second fingerboard set are overlapped);

fig. 2 is a schematic structural diagram of a fingerboard spacing adjustment mechanism according to an embodiment of the present disclosure when a first fingerboard group and a second fingerboard are in a misaligned state;

FIG. 3 is a side view of a fingerboard spacing adjustment mechanism according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a first limiting assembly and a second limiting assembly of a fingerboard spacing adjustment mechanism according to an embodiment of the present disclosure;

fig. 5 is a top view of a fingerboard spacing adjustment system according to a second embodiment of the present application.

In the figure: 100-drill pipe; 101-a first set of fingerbars; 102-a second finger set; 103-a first gap; 104-a second gap; 105-a first direction; 106-a second direction; 107-motor; 108-a worm; 109-a worm gear; 110-a drive shaft; 111-gear; 112-a rack; 113-a first finger; 114-a second finger; 115-a chute; 116-a slide; 117 — a first stop; 118-a second stop; 119-a first limiting groove; 120-a second limiting groove; 121-a clamping part; 122-a support frame; 123-operating platform.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.