CN217380454U - Drilling platform tubular column supports tongs - Google Patents

Abstract

The utility model belongs to the technical field of the oil equipment, a tongs is supported to rig floor tubular column is related to, its characterized in that, major structure includes: the gripper comprises a gripper main body and a gripper head mechanism; the gripper main body comprises a body fixing frame, a driving mechanism and a transition connecting piece; the driving mechanism is positioned at the bottom of the body fixing frame, one end of the driving mechanism is hinged with the tail end of the bottom of the body fixing frame, and the rod end of the driving mechanism is hinged with the transition connecting piece; the pipe supporting clamp comprises a body fixing frame, a clamp head mechanism and a clamp head mechanism, wherein the clamp head mechanism comprises a pipe supporting clamp head and a middle connecting piece, the front end of the pipe supporting clamp head is of an arc structure, the inner side of the pipe supporting clamp head is of a groove structure, the tail end of the pipe supporting clamp head is hinged to two sides of the body fixing frame, and the middle of the pipe supporting clamp head is hinged to the middle connecting piece; one end of the transition connecting piece is hinged with the driving mechanism, and the other end of the transition connecting piece is positioned in the grooves of the 2 middle connecting pieces and is hinged with the 2 middle connecting pieces; the novel anti-impact device is compact in structure, high in operation safety, convenient to use, low in maintenance cost, good in anti-impact performance, wide in applicability and wide in market prospect.

Description

Drilling platform tubular column supports tongs

The technical field is as follows:

the utility model belongs to the technical field of the oil equipment, a tongs is supported to rig floor tubular column is related to.

Background art:

with the continuous development of economic society and scientific technology in China, petroleum drilling equipment is developing from semi-automation and labor-intensive to automation, intelligence and unmanned, and the trend is more obvious in the year. By using the automatic and intelligent drilling machine, the using number of petroleum workers of the drilling machine can be reduced, the labor intensity of the workers is reduced, the safety and the convenience of operation are improved, and the drilling efficiency is favorably improved. For example, chinese patent application CN201310382676.7 discloses a pipe column supporting device for a drilling platform, wherein two sets of guide rail assemblies are fixedly installed on a drilling platform surface, a pulley is located on the two sets of guide rail assemblies together, a traveling motor assembly and an electro-hydraulic control system are installed on the pulley, and a gear at the bottom of the traveling motor assembly is engaged with a rack in the guide rail assembly; the upper surface of the pulley is also connected with a slewing bearing through a slewing bearing, a rotary motor assembly is arranged on the slewing bearing, and a gear at the bottom of the rotary motor assembly is meshed with a gear ring on the slewing bearing; a telescopic arm is hinged on the rotary support, and an inclined oil cylinder is hinged between the middle part of the telescopic arm and the rotary support; a telescopic oil cylinder and an inner sleeve are arranged in an inner cavity of the telescopic arm, the telescopic oil cylinder is in transmission connection with the rear end of the inner sleeve, the front end of the inner sleeve is hinged with the supporting pliers, and an adjusting oil cylinder is hinged between the front side of the inner sleeve and the supporting pliers; chinese patent application CN202011360321.4 discloses a pipe supporting device, which comprises a base connected with the free end of a manipulator of a drill floor, wherein the base is provided with a pair of clamping fingers and a driving part, and the clamping fingers can open and close under the driving of the driving part to clamp a pipe column; the base is provided with telescopic fingers, and the telescopic fingers are used for matching with clamping fingers to form clamping areas to clamp tubular columns with different sizes; the base is also provided with a camera and/or a proximity switch, and the camera and/or the proximity switch are used for observing and/or detecting the position of the tubular column in real time; chinese patent application CN201510799405.0 discloses a tubular column supporting mechanism, including first grabbing pole, second grabbing pole and flexible driving piece, first grabbing pole with it has first connecting rod, second connecting rod to articulate between the first end of flexible driving piece, the second grabbing pole with it has third connecting rod, fourth connecting rod to articulate between the first end of flexible driving piece, first grabbing pole with it has the fifth connecting rod to articulate between the second end of flexible driving piece, the second grabbing pole with it has the sixth connecting rod to articulate between the second end of flexible driving piece, first grabbing pole, first connecting rod, second connecting rod and flexible driving piece constitute parallelogram mechanism, the second grabbing pole, third connecting rod, fourth connecting rod and flexible driving piece constitute parallelogram mechanism. However, these prior arts have the disadvantages of complicated structure, high cost, low working efficiency, etc., and there is a need to develop a compact pipe string supporting gripper.

The utility model has the following contents:

the utility model aims at solving the shortcoming that prior art exists, provide a rig floor tubular column support device, improve the root support device intellectuality, degree of automation, reduce drilling platform suitability maintenance cost, improve drilling efficiency.

In order to realize the above purpose, the utility model provides a tongs is supported to rig floor tubular column, its major structure includes: the gripper comprises a gripper main body and a gripper head mechanism; the gripper main body comprises a body fixing frame, a driving mechanism and a transition connecting piece; the driving mechanism is positioned at the bottom of the body fixing frame, one end of the driving mechanism is hinged with an ear plate mounting hole at the tail end of the bottom of the body fixing frame through a fixed pin shaft, and the rod end of the driving mechanism is hinged with the transition connecting piece through the fixed pin shaft; the pipe supporting clamp comprises a body fixing frame, a clamp head mechanism and a clamp head mechanism, wherein the clamp head mechanism comprises pipe supporting clamp heads and a middle connecting piece, 2 pipe supporting clamp heads are oppositely arranged, the front ends of the pipe supporting clamp heads are of arc structures, the inner sides of the pipe supporting clamp heads are of groove structures, the tail ends of the pipe supporting clamp heads are hinged to two sides of the body fixing frame through rotating shafts, and the middle parts of the pipe supporting clamp heads are hinged to the middle connecting piece through rotating shafts; the middle connecting piece is of a groove structure, the closed end of the middle connecting piece is positioned in the groove on the inner side of the pipe supporting tong head, and the open end of the middle connecting piece is hinged with the transition connecting piece through a rotating shaft; the 2 middle connecting pieces are oppositely arranged; one end of the transition connecting piece is hinged with the driving mechanism, and the other end of the transition connecting piece is positioned in the grooves of the 2 middle connecting pieces and is hinged with the 2 middle connecting pieces.

The body mount includes upper mounting bracket and lower mount, and the upper mounting bracket is perpendicular cavity trapezium structure, and trapezoidal hypotenuse both ends are equipped with the connecting hole that is used for connecting the arm respectively, and the lower mount is dull and stereotyped structure.

The front end of the body fixing frame is provided with a vision sensor, two sides of the vision sensor are provided with upper fixing frames, and the lower side of the vision sensor is provided with a lower fixing frame.

Compared with the prior art, the utility model, the advantage has:

(1) the structure is compact, the cost is low, the later maintenance is simple and convenient, the cost is low, and the popularization and the use of different types of platforms are facilitated;

(2) the product has good adaptability, the design of the supporting gripper can meet the supporting of a drill pipe stand in the range of 23/8 ' -51/2 ' and the supporting of a drill collar not larger than 91/2 ', the gripping gripper has the characteristics of good adaptability and wide application range, and the gripping gripper has good adaptability to different types of drilling platforms and stands and drill collars with different diameters;

(3) the automatic control can be realized, and the automatic stand positioning and guiding system based on the vision sensor can realize the automatic stand supporting operation of the drill floor manipulator;

(4) the impact resistance is good, the supporting hand grab can bear the impact force of 6kN at most without damage, all structural components are not damaged and deformed after being impacted, the normal use of the platform is not influenced, and the drilling efficiency is not influenced due to shutdown maintenance caused by damage of the device.

To sum up, the utility model discloses compact structure, operational safety is high, facilitates the use, and the maintenance cost is low, and shock resistance is good, and extensive applicability is general, and market prospect is wide.

Description of the drawings:

fig. 1 is the utility model relates to a rig floor tubular column supports tongs overall structure principle sketch map.

Fig. 2 is the working principle schematic diagram of the drill floor tubular column supporting gripper of the utility model when supporting a foundation.

Fig. 3 is a schematic view of the structure principle when the gripping tongs head is closed by the drill floor tubular column.

Fig. 4 is the schematic view of the structure principle when the gripping tongs head is opened by supporting the drill floor tubular column.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Example 1:

the embodiment relates to a drill floor tubular column supporting gripper, which comprises a main body structure, a gripper body 1 and a gripper head mechanism, wherein the gripper head mechanism comprises a gripper head and a gripper head; the gripper main body 1 comprises a body fixing frame 11, a driving mechanism 12, a fixing pin shaft a13, a fixing pin shaft b14, a vision sensor 15, a rotating shaft a16 and a transition connecting piece 17, wherein the body fixing frame 11 is a main mounting base of an integral structure, the body fixing frame 11 comprises an upper fixing frame 111 and a lower fixing frame 112, the upper fixing frame 111 is of a vertical hollow trapezoidal structure, two ends of a trapezoidal inclined edge are respectively provided with a connecting hole for connecting a mechanical arm 3, the vision sensor 15 is arranged in the upper fixing frame 111 at a position close to the lower part, the periphery of the vision sensor 15 is protected by a mechanical structure, and the vision sensor 15 can be prevented from being damaged in the operation of equipment; the lower fixing frame 112 is of a flat plate structure, the tail end of the bottom of the lower fixing frame 112 is provided with an ear plate mounting hole for mounting the driving mechanism 12, and two sides of the bottom of the lower fixing frame 112 are respectively provided with an ear plate mounting hole for mounting the pipe-holding tong head 21; the driving mechanism 12 is positioned at the bottom of the body fixing frame 11, one end of the driving mechanism 12 is hinged with an ear plate mounting hole at the tail end of the bottom of the body fixing frame 11 through a fixed pin shaft a13, and the rod end of the driving mechanism 12 is hinged with the transition connecting piece 17 through a fixed pin shaft b 14; the transition connecting piece 17 can do linear reciprocating motion along with the driving mechanism 12; the pipe supporting clamp head mechanism comprises pipe supporting clamp heads 21 and a middle connecting piece 22, wherein 2 pipe supporting clamp heads 21 are oppositely arranged, the front ends of the pipe supporting clamp heads 21 are of arc structures, the inner sides of the pipe supporting clamp heads 21 are of groove structures, the tail ends of the pipe supporting clamp heads 21 are hinged to two sides of the body fixing frame 1 through a rotating shaft a16, and the pipe supporting clamp heads 21 rotate by taking the rotating shaft a16 as a rotating shaft; the middle part of the pipe supporting tong head 21 is hinged with the middle connecting piece 22 through a rotating shaft b 23; the middle connecting piece 22 is of a groove structure, the closed end of the middle connecting piece is positioned in the groove on the inner side of the pipe supporting clamp head 21, and the open end of the middle connecting piece is hinged with the transition connecting piece 17 through a rotating shaft c 24; the 2 intermediate connecting pieces 22 are oppositely arranged; one end of the transition piece 17 is hinged with the driving mechanism 12, and the other end of the transition piece 17 is positioned in the groove of the 2 middle connecting pieces 22 and is hinged with the 2 middle connecting pieces 22.

The vision sensor 15 position field of vision is clear, is convenient for observe the root state in real time, and has mechanical structure protection all around, can avoid vision sensor 15 to suffer the injury in equipment operation.

The opening and closing of the binding clip can be realized by only one driving mechanism, the whole structure is compact, and the design is ingenious.

The operating principle of the rig floor tubular column support tongs that this embodiment relates to does: the driving mechanism 12 drives the transition connecting piece 17 to move back and forth through the telescopic motion of the piston rod of the driving mechanism, then drives the middle connecting piece 22 to do circular motion by taking the rotating shaft c24 as the circle center, because one end of the pipe supporting binding clip 21 is connected with the middle connecting piece 22, the other end of the pipe supporting binding clip 21 is connected on the body fixing frame 11, under the driving of the middle connecting piece 22, the pipe supporting binding clip 21 can do circular motion by taking the rotating shaft a16 as the circle center, then the opening and closing of the binding clip are completed, and the clamping of the stand 5 is completed.

The transition connecting piece 17 horizontally reciprocates along with the reciprocation of the driving mechanism 12, then drives the middle connecting piece 22 respectively hinged with the transition connecting piece 17 to rotate by taking a rotating shaft c24 as a center, the middle connecting piece 22 drives the pipe holding clamp heads 21 to rotate around a rotating shaft a16 through a rotating shaft b23, so that 2 pipe holding clamp heads 21 respectively rotate around a rotating shaft a16 to open and close, and the three-dimensional space formed by the transition connecting piece 17 and the 2 pipe holding clamp heads 21 holds the stump 5; the rod end of the driving mechanism 12 extends out to drive the transition connecting piece 17 to move forwards in a straight line, and then the 2 pipe supporting clamp heads 21 are driven to close, so that the support of the stand 5 is realized; the rod end of the driving mechanism 12 is retracted to drive the transition connecting piece 17 to do backward linear motion, and then the 2 pipe supporting clamp heads 21 are driven to be opened, so that the release of the stand is realized. The visual sensor 15 can detect the position of the stand in real time and detect the distance between the stand and the supporting center of the device in the whole process, so that a driller in a production field can conveniently know the supporting state of the stand in time, and the automatic supporting of the stand can be completed in an auxiliary manner by matching with an automatic drill floor manipulator.

In this embodiment, the driving mechanism 12 is preferably a hydraulic cylinder, two ends of the driving mechanism are respectively a rod end of a piston rod of the hydraulic cylinder and a tail end of a cylinder body of the hydraulic cylinder, and the driving mechanism 12 may also be a mechanical structure capable of realizing a linear reciprocating function, such as an air cylinder, an electric push rod (electric cylinder), a rack-and-pinion mechanism, and the like.

Claims (3)

1. The utility model provides a tongs is supported to rig floor tubular column which characterized in that, the major structure includes: the gripper comprises a gripper main body and a gripper head mechanism; the gripper main body comprises a body fixing frame, a driving mechanism and a transition connecting piece; the driving mechanism is positioned at the bottom of the body fixing frame, one end of the driving mechanism is hinged with an ear plate mounting hole at the tail end of the bottom of the body fixing frame through a fixed pin shaft, and the rod end of the driving mechanism is hinged with the transition connecting piece through the fixed pin shaft; the pipe supporting clamp comprises a body fixing frame, a clamp head mechanism and a clamp head mechanism, wherein the clamp head mechanism comprises pipe supporting clamp heads and a middle connecting piece, 2 pipe supporting clamp heads are oppositely arranged, the front ends of the pipe supporting clamp heads are of arc structures, the inner sides of the pipe supporting clamp heads are of groove structures, the tail ends of the pipe supporting clamp heads are hinged to two sides of the body fixing frame through rotating shafts, and the middle parts of the pipe supporting clamp heads are hinged to the middle connecting piece through rotating shafts; the middle connecting piece is of a groove structure, the closed end of the middle connecting piece is positioned in the groove on the inner side of the pipe supporting tong head, and the open end of the middle connecting piece is hinged with the transition connecting piece through a rotating shaft; the 2 middle connecting pieces are oppositely arranged; one end of the transition connecting piece is hinged with the driving mechanism, and the other end of the transition connecting piece is positioned in the grooves of the 2 middle connecting pieces and is hinged with the 2 middle connecting pieces.

2. The drill floor tubular string supporting gripper as claimed in claim 1, wherein the body fixing frame comprises an upper fixing frame and a lower fixing frame, the upper fixing frame is of a vertical hollow trapezoidal structure, two ends of a trapezoidal inclined edge are respectively provided with a connecting hole for connecting a mechanical arm, and the lower fixing frame is of a flat plate structure.

3. The drill floor tubular string supporting gripper as claimed in claim 2, characterized in that a vision sensor is provided at the front end of the body mount, and an upper mount is provided on both sides of the vision sensor, and a lower mount is provided below the vision sensor.

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