CN112178093A - 380-degree rotation limiting device and limiting method - Google Patents

380-degree rotation limiting device and limiting method Download PDF

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Publication number
CN112178093A
CN112178093A CN202010940418.6A CN202010940418A CN112178093A CN 112178093 A CN112178093 A CN 112178093A CN 202010940418 A CN202010940418 A CN 202010940418A CN 112178093 A CN112178093 A CN 112178093A
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China
Prior art keywords
limiting
rotating
plate
rotary
electronic
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CN202010940418.6A
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Chinese (zh)
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CN112178093B (en
Inventor
赵亮亮
张斌
严亮
白丙建
刘春宝
殷克平
姜震
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China National Petroleum Corp
Baoji Oilfield Machinery Co Ltd
CNPC National Oil and Gas Drilling Equipment Engineering Technology Research Center Co Ltd
Original Assignee
China National Petroleum Corp
Baoji Oilfield Machinery Co Ltd
CNPC National Oil and Gas Drilling Equipment Engineering Technology Research Center Co Ltd
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Application filed by China National Petroleum Corp, Baoji Oilfield Machinery Co Ltd, CNPC National Oil and Gas Drilling Equipment Engineering Technology Research Center Co Ltd filed Critical China National Petroleum Corp
Priority to CN202010940418.6A priority Critical patent/CN112178093B/en
Publication of CN112178093A publication Critical patent/CN112178093A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D71/00Mechanisms for bringing members to rest in a predetermined position
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D71/00Mechanisms for bringing members to rest in a predetermined position
    • F16D71/04Mechanisms for bringing members to rest in a predetermined position providing for selection between a plurality of positions

Abstract

The invention discloses a 380-degree rotation limiting device which comprises a limiting seat, wherein a rotary limiting column is arranged in the limiting seat, a spring mounting plate I and a spring mounting plate II are symmetrically arranged on two side walls of the limiting seat respectively, the spring mounting plate I is connected with the rotary limiting column through a reset spring I, and the spring mounting plate II is connected with the rotary limiting column through a reset spring II. The limiting device solves the problems that the rotating operation angle of the existing limiting device is limited and the limiting adjustment mode is complicated, effectively realizes the free rotation and the limiting of the equipment rotating mechanism by more than 360 degrees, avoids the inconvenience of reducing the operation range caused by reducing the rotating angle due to the occupied installation space of the limiting device, and simultaneously eliminates the potential safety hazard caused by increasing the rotating angle due to the manual adjustment of the limiting mechanism.

Description

380-degree rotation limiting device and limiting method
Technical Field
The invention belongs to the technical field of petroleum drilling equipment, and particularly relates to a 380-degree rotation limiting device and a limiting method of the device.
Background
The automatic drilling machine is the development direction of petroleum drilling equipment, and is an effective measure for improving the field operation environment, improving the drilling operation efficiency, reducing the labor intensity and improving the automation level of the equipment, and the automatic pipe column equipment is a necessary condition for forming the automatic drilling machine.
At present, most of tubular column automation equipment comprises a rotation function in order to cover all working areas, such as a racking platform manipulator, a drill floor manipulator, a pipe supporting manipulator and the like, and considering from a safety angle, a position with the rotation function must be provided with a limiting mechanism to prevent unsafe accidents, and the equipment is influenced by factors such as operation requirements, self structures and the like and has the following defects on the rotation limiting mechanism: 1) the rotation angle cannot be 0-360 degrees due to the limitation of a limiting device, and the mechanical limiting column usually occupies a space larger than or equal to 15 degrees, so that the operation range of the equipment is influenced; 2) the rotation angle can realize 0-360 degree equipment, the mechanical limiting column needs to be movably connected so as to replace the installation position of the mechanical limiting column according to actual conditions to realize 0-360 degree rotation step by step, the installation position of the mechanical limiting column needs to be frequently replaced when the equipment works, if the equipment is forgotten to be replaced by negligence, the equipment can generate larger impact when rotating, and unsafe accidents can be generated when the equipment is serious.
Disclosure of Invention
The invention aims to provide a 380-degree rotation limiting device, and solves the problems that the rotation operation angle of the conventional limiting device is limited and the limiting adjustment mode is complicated.
The invention also aims to provide a limiting method of the 380-degree rotation limiting device.
The first technical scheme adopted by the invention is as follows: the utility model provides a 380 rotatory stop device, includes spacing seat, is provided with the spacing post of rotary type in the spacing seat, on the both sides wall of spacing seat respectively the symmetry be provided with spring mounting board I and spring mounting board II, spring mounting board I passes through reset spring I with the spacing post of rotary type to be connected, and spring mounting board II passes through reset spring II with the spacing post of rotary type to be connected.
The first technical solution of the present invention is also characterized in that,
spacing seat includes bottom plate and top panel, and the both sides wall of top panel passes through the riser respectively and is connected with the bottom plate, and the top panel passes through the rear panel with riser vertically lateral wall to be connected with the bottom plate, and the below of top panel just is located and is provided with down the panel between two risers, one of them be provided with spring mounting board I on the riser, be provided with spring mounting board II on another riser, it has the spacing post of rotary type to articulate through connecting pin between top panel and the lower panel.
The rotary type limiting column bottom is provided with an ear plate, the reset spring I is connected with the rotary type limiting column through the ear plate, and the reset spring II is connected with the rotary type limiting column through the ear plate.
The upper surface of the rotary limiting column is provided with an arc-shaped detection plate, and the two vertical plates are symmetrically provided with an electronic limiting switch I and an electronic limiting switch II respectively.
The distance between the two ends of the detection plate and the rotary limiting columns is equal.
The second technical scheme adopted by the invention is as follows: a limiting method of a 380-degree rotation limiting device is implemented according to the following steps:
(1) a rotating mechanism matched with the rotating limiting device is placed at the rear panel of the rotating limiting column, the rotating limiting column is positioned at the middle position, and the return spring I and the return spring II are in the same stretching state, namely the zero rotating position;
(2) when the rotating mechanism rotates anticlockwise to about 175 degrees, the rotating mechanism limiting plate pushes the rotating type limiting column to rotate around the connecting pin shaft until a detection plate on the upper surface of the rotating type limiting column and the electronic limiting switch I are detected, and electronic limiting is achieved;
if the electronic limiting function fails, the side wall of the rotary limiting column is contacted with a vertical plate provided with an electronic limiting switch I to realize limiting, and the anticlockwise rotation angle of the rotating mechanism reaches 190 degrees;
when the rotating mechanism starts to rotate clockwise to return to the zero position, the rotating limiting column starts to reset under the action of the tension of the return spring II until the shortening of the return spring I is equal to the stretching amount of the return spring II;
(3) when the rotating mechanism rotates clockwise to about 175 degrees, the limiting plate of the rotating mechanism pushes the rotating limiting column to rotate around the connecting pin shaft until a detection plate on the upper surface of the rotating limiting column and the electronic limiting switch II are detected to achieve electronic limiting;
if the electronic limiting function fails, the side wall of the rotary limiting column is contacted with a vertical plate provided with an electronic limiting switch II to realize limiting, and the clockwise rotation angle of the rotating mechanism reaches 190 degrees;
when the rotating mechanism starts to rotate anticlockwise to return to the zero position, the rotating limiting column starts to reset under the action of the tension of the return spring I until the shortening of the return spring II is equal to the stretching amount of the return spring I.
The invention has the beneficial effects that:
(1) according to the 380-degree rotation limiting device, the rotation angle of the rotating mechanism at least reaches 380 degrees through positive and negative rotation of the rotary limiting column around the limiting seat, so that no dead angle exists in the operation range of equipment;
(2) according to the 380-degree rotation limiting device, the return spring I and the return spring II are arranged, so that the rotary limiting column can be located at the middle position in a non-working state, and can be quickly reset after limiting is finished, and the limiting accuracy and reliability are improved;
(3) according to the 380-degree rotation limiting device, the electronic limiting switch I and the electronic limiting switch II are arranged, electronic limiting is adopted firstly during limiting, and if the electronic limiting function fails, limiting is achieved through contact of the side wall of the rotary limiting column and the vertical plate of the limiting seat, the limiting mode is safe and reliable, impact is small, and the risk coefficient of equipment during rotation can be effectively reduced;
(4) the 380-degree rotation limiting device disclosed by the invention is small in working occupied space, simple to install, high in popularization and application value, easy to realize in limiting method, simple to operate and high in reliability, and can be flexibly installed on equipment with a rotation function.
Drawings
FIG. 1 is a schematic structural view of a 380 degree rotation limiting device according to the present invention in a non-operating state;
FIG. 2 is a schematic structural view of a 380 degree rotation limiting device according to the present invention in an operating state;
FIG. 3 is a schematic view of a zero position of rotation of a 380 rotation limiting device of the present invention in use;
FIG. 4 is a schematic view of a structure of the 380 degree rotation limiting device of the present invention rotating counterclockwise when in use;
fig. 5 is a schematic structural view of the 380 ° rotation limiting device of the present invention rotating clockwise when in use.
In the figure, 1, a limiting seat, 2, a connecting pin shaft, 3, a rotary limiting column, 4, a detection plate, 5, spring mounting plates I, 6, spring mounting plates II, 7, reset springs I, 8, reset springs II, 9, electronic limiting switches I, 10 and an electronic limiting switch II are arranged;
1-1, a bottom plate, 1-2, an upper panel, 1-3, a vertical plate, 1-4, a rear panel, and 1-5, a lower panel.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a 380-degree rotation limiting device, which comprises a limiting seat 1, wherein a rotary limiting column 3 is arranged in the limiting seat, two side walls of the limiting seat 1 are respectively and symmetrically provided with a spring mounting plate I5 and a spring mounting plate II6, the spring mounting plate I5 is connected with the rotary limiting column 3 through a return spring I7, and the spring mounting plate II6 is connected with the rotary limiting column 3 through a return spring II8, as shown in figures 1 and 2.
The limiting seat 1 comprises a bottom plate 1-1 and an upper panel 1-2, two side walls of the upper panel 1-2 are respectively connected with the bottom plate 1-1 through vertical plates 1-3, the side wall, perpendicular to the upper panel 1-2 and the vertical plates 1-3, of the upper panel 1-2 is connected with the bottom plate 1-1 through a rear panel 1-4, a lower panel 1-5 is arranged below the upper panel 1-2 and between the two vertical plates 1-3, a spring mounting plate I5 is arranged on one vertical plate 1-3, a spring mounting plate II6 is arranged on the other vertical plate 1-3, coaxial through holes are arranged at the middle positions of the upper panel 1-2 and the lower panel 1-5, connecting pin shafts 2 are arranged in the through holes, and the connecting pin shafts 2 are hinged with rotary limiting.
The bottom of the rotary limiting column 3 is provided with an ear plate, a reset spring I7 is connected with the rotary limiting column 3 through the ear plate, and a reset spring II8 is connected with the rotary limiting column 3 through the ear plate.
The upper surface of the rotary type spacing column 3 is provided with an arc-shaped detection plate 4, the two vertical plates 1-3 are respectively and symmetrically provided with an electronic limit switch I9 and an electronic limit switch II10, the electronic limit switch I9 and the electronic limit switch II10 are connected with a rotating mechanism to control the rotating mechanism to stop and start, and the distance between the two ends of the detection plate 4 and the rotary type spacing column 3 is equal.
The invention discloses a limiting method of a 380-degree rotation limiting device, which is implemented according to the following steps:
(1) as shown in fig. 3, a rotating mechanism cooperating with the rotary limiting device is disposed at the rear panel 1-4 of the rotary limiting post 3, and the rotary limiting post 3 is located at the middle position, so that the return spring I7 and the return spring II8 are in the same stretching state, which is defined as the zero position of rotation;
(2) as shown in fig. 4, when the rotating mechanism rotates counterclockwise to about 175 °, the limiting plate of the rotating mechanism pushes the rotating limiting post 3 to rotate around the connecting pin 2 until the detecting plate 4 on the upper surface of the rotating limiting post 3 detects the electronic limiting switch I9, so as to achieve electronic limiting;
if the electronic limiting function fails, the side wall of the rotary limiting column 3 is contacted with a vertical plate 1-3 provided with an electronic limiting switch I9 to realize limiting, the anticlockwise rotation angle of the rotating mechanism reaches 190 degrees, and the reset spring I7 is shortened and the reset spring II8 is stretched in the process;
when the rotating mechanism starts to rotate clockwise to the zero position, the rotating limiting column 3 starts to reset under the action of the tension of the return spring II8 until the shortening of the position spring I7 is equal to the stretching amount of the return spring II 8;
(3) as shown in fig. 5, when the rotating mechanism rotates clockwise to about 175 °, the limiting plate of the rotating mechanism pushes the rotating limiting post 3 to rotate around the connecting pin 2 until the detecting plate 4 on the upper surface of the rotating limiting post 3 detects the electronic limiting switch II10, so as to achieve electronic limiting;
if the electronic limit function fails, the side wall of the rotary limit column 3 is contacted with a vertical plate 1-3 provided with an electronic limit switch II10 to realize limit, the clockwise rotation angle of the rotating mechanism reaches 190 degrees, and in the process, the return spring II8 is shortened and the return spring I7 is stretched;
when the rotating mechanism starts to rotate anticlockwise to the zero position, the rotating limiting column 3 starts to reset under the action of the tension of the return spring I7 until the return spring II8 shortens and the return spring I7 stretches equally.
Through the mode, the 380-degree rotation limiting device effectively realizes the self-rotation and limiting of the equipment rotating mechanism by more than 360 degrees, avoids the inconvenience of reducing the operation range caused by reducing the rotating angle due to the fact that the limiting device occupies the installation space, and meanwhile eliminates the potential safety hazard caused by increasing the rotating angle due to the fact that the limiting mechanism is manually adjusted.

Claims (6)

1. The utility model provides a 380 rotatory stop device, a serial communication port, includes spacing seat (1), be provided with the spacing post of rotary type (3) in the spacing seat, on the both sides wall of spacing seat (1) respectively the symmetry be provided with spring mounting board I (5) and spring mounting board II (6), spring mounting board I (5) are connected through reset spring I (7) with the spacing post of rotary type (3), spring mounting board II (6) are connected through reset spring II (8) with the spacing post of rotary type (3).
2. The 380-degree rotation limiting device according to claim 1, wherein the limiting seat (1) comprises a bottom plate (1-1) and an upper panel (1-2), two side walls of the upper panel (1-2) are respectively connected with the bottom plate (1-1) through vertical plates (1-3), the side wall of the upper panel (1-2) perpendicular to the vertical plates (1-3) is connected with the bottom plate (1-1) through a rear panel (1-4), a lower panel (1-5) is arranged below the upper panel (1-2) and between the two vertical plates (1-3), one of the vertical plates (1-3) is provided with a spring mounting plate I (5), and the other vertical plate (1-3) is provided with a spring mounting plate II (6), the rotary limiting column (3) is hinged between the upper panel (1-2) and the lower panel (1-5) through a connecting pin shaft (2).
3. A 380 ° rotation limiting device according to claim 1, wherein the bottom of the rotary limiting post (3) is provided with an ear plate, the return spring I (7) is connected with the rotary limiting post (3) through the ear plate, and the return spring II (8) is connected with the rotary limiting post (3) through the ear plate.
4. A 380 ° rotation limiting device according to claim 1, wherein the upper surface of the rotary limiting column (3) is provided with an arc-shaped detection plate (4), and two vertical plates (1-3) are symmetrically provided with an electronic limiting switch I (9) and an electronic limiting switch II (10), respectively.
5. A380 ° rotation limiting device according to claim 4, wherein the distance between the two ends of the detecting plate (4) and the rotary limiting columns (3) is equal.
6. A limiting method of a 380 degree rotation limiting device according to any one of claims 1 to 5, comprising the following steps:
(1) a rotating mechanism matched with a rotating limiting device is placed at the rear panel (1-4) of the rotating limiting column (3), the rotating limiting column (3) is located at the middle position, and the reset spring I (7) and the reset spring II (8) are in the same stretching state, namely the zero rotating position;
(2) when the rotating mechanism rotates anticlockwise to about 175 degrees, the rotating mechanism limiting plate pushes the rotating limiting column (3) to rotate around the connecting pin shaft (2) until a detection plate (4) on the upper surface of the rotating limiting column (3) and an electronic limiting switch I (9) detect to achieve electronic limiting;
if the electronic limiting function fails, the side wall of the rotary limiting column (3) is contacted with a vertical plate (1-3) provided with an electronic limiting switch I (9) to realize limiting, and the anticlockwise rotation angle of the rotating mechanism reaches 190 degrees;
when the rotating mechanism starts to rotate clockwise to return to a zero position, the rotating limiting column (3) starts to reset under the action of the tension of the return spring II (8) until the shortening of the return spring I (7) is equal to the stretching amount of the return spring II (8);
(3) when the rotating mechanism rotates clockwise to about 175 degrees, the limiting plate of the rotating mechanism pushes the rotating limiting column (3) to rotate around the connecting pin shaft (2) until a detection plate (4) on the upper surface of the rotating limiting column (3) and an electronic limiting switch II (10) detect to achieve electronic limiting;
if the electronic limiting function fails, the side wall of the rotary limiting column (3) is contacted with a vertical plate (1-3) provided with an electronic limiting switch II (10) to realize limiting, and the clockwise rotation angle of the rotating mechanism reaches 190 degrees;
when the rotating mechanism starts to rotate anticlockwise to return to the zero position, the rotating limiting column (3) starts to reset under the action of the tension of the return spring I (7) until the shortening of the return spring II (8) is equal to the stretching amount of the return spring I (7).
CN202010940418.6A 2020-09-09 2020-09-09 380-degree rotation limiting device and limiting method Active CN112178093B (en)

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