CN111577171B - Jaw plate frame braking and opening aligning mechanism for iron roughneck - Google Patents
Jaw plate frame braking and opening aligning mechanism for iron roughneck Download PDFInfo
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- CN111577171B CN111577171B CN202010393476.1A CN202010393476A CN111577171B CN 111577171 B CN111577171 B CN 111577171B CN 202010393476 A CN202010393476 A CN 202010393476A CN 111577171 B CN111577171 B CN 111577171B
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- jaw plate
- brake disc
- plate frame
- positioning
- friction
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- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/24—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—Pivots or supporting members therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/08—Seals, e.g. piston seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to the field of petroleum drilling and well repairing, and provides a jaw plate frame braking and opening aligning mechanism for an iron roughneck, which comprises an upper jaw plate frame, wherein the upper end surface of the upper jaw plate frame is connected with a jaw plate subframe, a floating body and a lower jaw plate frame are arranged below the upper jaw plate frame, and a brake disc is sleeved on the outer side of the jaw plate subframe; a first friction ring piece is fixedly arranged on the upper end face of the upper jaw plate frame, and the brake disc is provided with an inner cylinder mechanism and a friction pressing ring piece; a limiting ring plate is arranged at the upper end of the outer side surface of the jaw plate subframe, a second friction ring piece is arranged on the lower end surface of the limiting ring plate, and a third friction ring piece is arranged on the upper end surface of the brake disc; the outer side surface of the brake disc is provided with a positioning fixture block, and the upper end surface of the floating body is provided with a positioning mechanism matched with the positioning fixture block. The jaw plate frame braking and opening aligning mechanism for the iron roughneck improves the braking structure, replaces a brake band with a brake pad, is not easy to wear and has long service life, and the opening aligning and positioning mechanism is added, so that the opening aligning operation time is shortened, and the opening aligning efficiency is improved.
Description
Technical Field
The invention relates to a mechanical device, in particular to a jaw plate frame braking and opening aligning mechanism for an iron roughneck.
Background
At present, a brake belt is adopted by a brake part of the brake device of an iron roughneck, and a brake point can be abraded after being used for a period of time, so that the brake effect can be reduced, the hidden danger of breakage can be caused, and the service life is short. In addition, when the existing iron roughneck reverses the gap, the iron roughneck needs to manually participate in replacing the reversing bolt, thereby wasting time and energy and having low efficiency.
Disclosure of Invention
The invention aims to overcome the existing defects, provides a jaw plate frame braking and opening aligning mechanism for an iron roughneck, and solves the problems of short service life of a brake part and low opening aligning operation efficiency of the existing iron roughneck braking device.
In order to solve the technical problems, the invention provides the following technical scheme:
a braking and opening aligning mechanism for a jaw plate frame of an iron roughneck comprises an upper jaw plate frame, wherein an auxiliary jaw plate frame is connected to the upper end face of the upper jaw plate frame, a lower jaw plate frame is arranged below the upper jaw plate frame, the upper jaw plate frame and the lower jaw plate frame are fixedly connected through bolts, a floating body is arranged between the upper jaw plate frame and the lower jaw plate frame, and the bolts penetrate through the floating body; the side of the upper jaw plate frame is provided with a fixed column, the outer side of the auxiliary jaw plate frame is sleeved with a brake disc, the inner side surface of the brake disc is in sliding fit with the outer side surface of the auxiliary jaw plate frame, the brake disc is connected with a fixed plate, and the fixed plate is provided with a first through hole and is sleeved with the fixed column; the upper end face of the jaw plate upper frame, which is positioned at the outer side of the jaw plate subframe, is fixedly provided with a first friction ring sheet, a plurality of inner cylinder mechanisms are arranged inside the brake disc, the lower ends of the inner cylinder mechanisms are commonly connected with a friction pressing ring sheet, and the friction pressing ring sheet is contacted with the first friction ring sheet; a limit ring plate is arranged at the upper end of the outer side face of the jaw plate subframe, a second friction ring piece is arranged on the lower end face of the limit ring plate, a third friction ring piece is arranged on the upper end face of the brake disc, and the second friction ring piece is in contact with the third friction ring piece or a gap is reserved between the second friction ring piece and the third friction ring piece; the outer side surface of the brake disc is provided with a plurality of positioning clamping blocks, and the upper end surface of the floating body is provided with a positioning mechanism matched with the positioning clamping blocks.
Furthermore, a plurality of blind holes are formed in the lower end face of the brake disc, one inner cylinder mechanism is arranged in each blind hole, each inner cylinder mechanism comprises an inner cylinder sleeve, the inner cylinder sleeves are arranged in the blind holes, a piston is arranged in each inner cylinder sleeve, and the lower end of the piston is connected with the friction compression ring sheet through a first spring; the lateral surface of the top of the inner cylinder sleeve is provided with a communicating hole, a fluid pipeline is arranged in the brake disc, and the fluid pipeline penetrates through the lateral surface of the bottom of the blind hole and is communicated with the communicating hole.
Furthermore, the lateral surface of piston is provided with at least one sealing washer.
Furthermore, a plurality of limiting ejector rods are arranged at the upper end of the piston.
Furthermore, a plurality of positioning pins penetrate through the brake disc, the lower ends of the positioning pins penetrate out of the lower end face of the brake disc and are inserted into second through holes formed in the friction compression ring in a sliding fit mode.
Further, the jaw plate subframe and the limit ring plate are integrally formed.
Furthermore, each positioning mechanism comprises a support which is fixedly arranged on the upper end face of the floating body, a hollow fixing box is arranged on the upper end face of the support, a threaded hole is formed in one end, far away from the brake disc, of the hollow fixing box, a jackscrew is connected with the threaded hole in a threaded manner, the front end of the jackscrew is connected with a second spring, the front end of the second spring is connected with a push plate, and a positioning steel ball is placed at the front end of the push plate; one end of the hollow fixing box, which is close to the brake disc, is provided with a horizontal notch, the foremost end of the positioning steel ball is positioned at the horizontal notch, and the width of the horizontal notch is larger than the thickness of the positioning fixture block.
Furthermore, the number of the positioning fixture blocks and the number of the positioning mechanisms are two, the two positioning fixture blocks are symmetrically arranged at two ends of the brake disc in any diameter direction, and the two positioning mechanisms are symmetrically arranged at the outer sides of the two positioning fixture blocks.
The jaw plate frame braking and opening aligning mechanism for the iron roughneck improves the braking structure, replaces a brake band with a brake pad, is not easy to wear and has long service life, and the opening aligning and positioning mechanism is added, so that the opening aligning operation time is shortened, and the opening aligning efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the structure in the direction A-A of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction B-B in FIG. 1;
FIG. 4 is a schematic view of the structure of FIG. 1 in the direction C-C;
fig. 5 is an enlarged schematic view at D in fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-5, a jaw plate frame braking and opening aligning mechanism for iron roughneck comprises an upper jaw plate frame 1, wherein the upper end surface of the upper jaw plate frame 1 is connected with a jaw plate subframe 2, a lower jaw plate frame 3 is arranged below the upper jaw plate frame 1, the upper jaw plate frame 1 and the lower jaw plate frame 3 are fixedly connected through bolts, a floating body 4 is arranged between the upper jaw plate frame 1 and the lower jaw plate frame 3, and the bolts penetrate through the floating body 4; a fixing column 5 is arranged beside the upper jaw plate frame 1, a brake disc 6 is sleeved on the outer side of the auxiliary jaw plate frame 2, the inner side face of the brake disc 6 is in sliding fit with the outer side face of the auxiliary jaw plate frame 2, the brake disc 6 is connected with a fixing plate 7, and a first through hole is formed in the fixing plate 7 and is sleeved with the fixing column 5; the upper end face of the upper jaw plate frame 1, which is positioned on the outer side of the auxiliary jaw plate frame 2, is fixedly provided with a first friction ring piece 8, a plurality of inner cylinder mechanisms are arranged inside the brake disc 6, the lower ends of the inner cylinder mechanisms are jointly connected with a friction pressing ring piece 9, and the friction pressing ring piece 9 is contacted with the first friction ring piece 8; a limit ring plate 10 is arranged at the upper end of the outer side surface of the jaw plate subframe 2, a second friction ring piece 11 is arranged on the lower end surface of the limit ring plate 10, a third friction ring piece 12 is arranged on the upper end surface of the brake disc 6, and the second friction ring piece 11 is in contact with the third friction ring piece 12 or is provided with a gap; the outer side surface of the brake disc 6 is provided with a positioning fixture block 13, and the upper end surface of the floating body is provided with a positioning mechanism matched with the positioning fixture block 13.
The lower end face of the brake disc 6 is provided with a plurality of blind holes, each blind hole is internally provided with an inner cylinder mechanism, each inner cylinder mechanism comprises an inner cylinder sleeve 14, the inner cylinder sleeves 14 are arranged in the blind holes, the inner cylinder sleeves 14 are internally provided with pistons 15, and the lower ends of the pistons 15 are connected with the friction pressing ring sheets 9 through first springs 16; the top side of the inner cylinder sleeve 14 is provided with a communication hole, the interior of the brake disc 6 is provided with a fluid pipeline 17, and the fluid pipeline 17 penetrates through the bottom side of the blind hole and is communicated with the communication hole.
Each positioning mechanism comprises a support 18, the support 18 is fixedly arranged on the upper end face of the floating body 4, a hollow fixing box 19 is arranged on the upper end face of the support 18, a threaded hole is formed in one end, far away from the brake disc 6, of the hollow fixing box 19, a jackscrew 20 is connected with the threaded hole in a threaded manner, the front end of the jackscrew 20 is connected with a second spring 21, the front end of the second spring 21 is connected with a push plate 22, and a positioning steel ball 23 is placed at the front end of the push plate 22; one end of the hollow fixing box 19 close to the brake disc 6 is provided with a horizontal notch, the foremost end of the positioning steel ball 23 is positioned at the horizontal notch, and the width of the horizontal notch is larger than the thickness of the positioning fixture block 13.
The two positioning fixture blocks 13 and the two positioning mechanisms are respectively arranged, the two positioning fixture blocks 13 are symmetrically arranged at two ends of the brake disc 6 in any diameter direction, and the two positioning mechanisms are symmetrically arranged at the outer sides of the two positioning fixture blocks 13.
The working principle is as follows:
the outer end of the fluid pipeline is connected with an air pump, when braking is needed, air is introduced, the piston moves downwards, the friction pressing ring plate is enabled to press the first friction ring plate downwards, meanwhile, the jaw plate upper frame moves downwards to drive the jaw plate auxiliary frame to move downwards, the second friction ring plate presses the third friction ring plate downwards, double-side friction between the upper side and the lower side of the brake disc is achieved, braking is achieved, after braking is finished, air is discharged, the piston moves upwards, and the friction force between the upper side and the lower side of the brake disc is relieved. Compared with a brake band, the friction plate is more wear-resistant, so that the service life is longer.
The positioning clamping block and the positioning mechanism are arranged according to the relative position of the alignment of the opening of the brake disc and the opening of the floating body, when the alignment operation is needed, the floating body rotates forwards or reversely (corresponding to the action of screwing and unscrewing respectively), and when the positioning steel ball is tightly contacted with the positioning clamping block, the alignment of the opening of the brake disc and the opening of the floating body is formed. The mode has high alignment speed and low labor intensity, and improves the efficiency of opening alignment.
Two sealing rings 24 are arranged on the outer side surface of the piston 15, so that the air tightness above the piston is improved.
The upper end of the piston 15 is provided with a plurality of limiting ejector rods 25, and enough space is reserved above the piston, so that gas can enter the piston to push the piston to move downwards.
A plurality of positioning pins 26 are arranged on the brake disc 6 in a penetrating manner, the lower ends of the positioning pins 26 penetrate out of the lower end face of the brake disc 6 and are inserted into second through holes which are preset in the friction pressing ring plate 9, and the positioning pins 26 are in sliding fit with the second through holes. The friction compression ring can only move in the vertical direction, and the motion in the horizontal direction is consistent with the brake disc all the time.
The jaw plate subframe 2 and the limit ring plate 10 are integrally formed, so that the integral strength is improved.
The jaw plate frame braking and opening aligning mechanism for the iron roughneck improves the braking structure, replaces a brake band with a brake pad, is not easy to wear and has long service life, and the opening aligning and positioning mechanism is added, so that the opening aligning operation time is shortened, and the opening aligning efficiency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a mechanism is adjusted well to jaw plate frame braking and opening for iron roughneck, its characterized in that: the jaw plate fixing device comprises an upper jaw plate frame, wherein a jaw plate subframe is connected to the upper end face of the upper jaw plate frame, a lower jaw plate frame is arranged below the upper jaw plate frame, the upper jaw plate frame and the lower jaw plate frame are fixedly connected through bolts, a floating body is arranged between the upper jaw plate frame and the lower jaw plate frame, and the bolts penetrate through the floating body;
the side of the upper jaw plate frame is provided with a fixed column, the outer side of the auxiliary jaw plate frame is sleeved with a brake disc, the inner side surface of the brake disc is in sliding fit with the outer side surface of the auxiliary jaw plate frame, the brake disc is connected with a fixed plate, and the fixed plate is provided with a first through hole and is sleeved with the fixed column;
the upper end face of the jaw plate upper frame, which is positioned at the outer side of the jaw plate subframe, is fixedly provided with a first friction ring sheet, a plurality of inner cylinder mechanisms are arranged inside the brake disc, the lower ends of the inner cylinder mechanisms are commonly connected with a friction pressing ring sheet, and the friction pressing ring sheet is contacted with the first friction ring sheet;
a limit ring plate is arranged at the upper end of the outer side face of the jaw plate subframe, a second friction ring piece is arranged on the lower end face of the limit ring plate, a third friction ring piece is arranged on the upper end face of the brake disc, and the second friction ring piece is in contact with the third friction ring piece or a gap is reserved between the second friction ring piece and the third friction ring piece;
a plurality of positioning fixture blocks are arranged on the outer side surface of the brake disc, and a positioning mechanism matched with the positioning fixture blocks is arranged on the upper end surface of the floating body;
every positioning mechanism includes the support, support fixed mounting is in the up end of floating body, the up end of support is provided with the fixed box of cavity, the fixed box of cavity is kept away from the one end of brake disc is provided with the screw hole, screw hole female connection has the jackscrew, the front end of jackscrew is connected with the second spring, the front end of second spring is connected with the push pedal, the location steel ball has been placed to the front end of push pedal.
2. The shoe brake and opening alignment mechanism for an iron roughneck as set forth in claim 1 wherein: the lower end face of the brake disc is provided with a plurality of blind holes, each blind hole is internally provided with one inner cylinder mechanism, each inner cylinder mechanism comprises an inner cylinder sleeve, the inner cylinder sleeves are arranged in the blind holes, a piston is arranged in each inner cylinder sleeve, and the lower end of the piston is connected with the friction compression ring through a first spring;
the lateral surface of the top of the inner cylinder sleeve is provided with a communicating hole, a fluid pipeline is arranged in the brake disc, and the fluid pipeline penetrates through the lateral surface of the bottom of the blind hole and is communicated with the communicating hole.
3. A jaw plate shelf detent and opening alignment mechanism for an iron roughneck as claimed in claim 2 wherein: and at least one sealing ring is arranged on the outer side surface of the piston.
4. A jaw plate shelf detent and opening alignment mechanism for an iron roughneck as claimed in claim 2 wherein: and a plurality of limiting ejector rods are arranged at the upper end of the piston.
5. The shoe brake and opening alignment mechanism for an iron roughneck as set forth in claim 1 wherein: the brake disc is provided with a plurality of positioning pins in a penetrating mode, the lower ends of the positioning pins penetrate out of the lower end face of the brake disc and are inserted into second through holes which are formed in the friction compression ring in a preset mode, and the positioning pins are in sliding fit with the second through holes.
6. The shoe brake and opening alignment mechanism for an iron roughneck as set forth in claim 1 wherein: the jaw plate subframe and the limit ring plate are integrally formed.
7. The shoe brake and opening alignment mechanism for an iron roughneck as set forth in claim 1 wherein: one end of the hollow fixing box, which is close to the brake disc, is provided with a horizontal notch, the foremost end of the positioning steel ball is positioned at the horizontal notch, and the width of the horizontal notch is greater than the thickness of the positioning clamping block.
8. A jaw plate shelf detent and opening alignment mechanism for an iron roughneck as claimed in claim 1 or 7 wherein: the positioning fixture blocks and the positioning mechanisms are respectively provided with two positioning fixture blocks, the two positioning fixture blocks are symmetrically arranged at two ends of the brake disc in any diameter direction, and the two positioning mechanisms are symmetrically arranged at the outer sides of the two positioning fixture blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393476.1A CN111577171B (en) | 2020-05-11 | 2020-05-11 | Jaw plate frame braking and opening aligning mechanism for iron roughneck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393476.1A CN111577171B (en) | 2020-05-11 | 2020-05-11 | Jaw plate frame braking and opening aligning mechanism for iron roughneck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111577171A CN111577171A (en) | 2020-08-25 |
| CN111577171B true CN111577171B (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010393476.1A Active CN111577171B (en) | 2020-05-11 | 2020-05-11 | Jaw plate frame braking and opening aligning mechanism for iron roughneck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111577171B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284857Y (en) * | 1994-05-29 | 1998-06-24 | 杨春会 | Power wrench head brake and steering control mechanism |
| CN2809199Y (en) * | 2005-07-11 | 2006-08-23 | 江苏如石机械有限公司 | Head of power tongs |
| CN201354608Y (en) * | 2009-01-05 | 2009-12-02 | 高金虎 | Binding clip of power tong |
| CN103883272A (en) * | 2014-02-14 | 2014-06-25 | 江苏申利达机械制造有限公司 | Double-layer planet claw clamping mechanism of main tongs of open-type power tongs |
| CN205419644U (en) * | 2016-03-14 | 2016-08-03 | 中国矿业大学 | Floating disc brake of kilometer deep winding machine |
| CN110836098A (en) * | 2019-12-09 | 2020-02-25 | 江苏如石机械股份有限公司 | Jaw resetting mechanism of open type power tongs |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9902598B2 (en) * | 2011-12-27 | 2018-02-27 | Schlumberger Technology Corporation | Braking systems and methods for a winch drum |
-
2020
- 2020-05-11 CN CN202010393476.1A patent/CN111577171B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284857Y (en) * | 1994-05-29 | 1998-06-24 | 杨春会 | Power wrench head brake and steering control mechanism |
| CN2809199Y (en) * | 2005-07-11 | 2006-08-23 | 江苏如石机械有限公司 | Head of power tongs |
| CN201354608Y (en) * | 2009-01-05 | 2009-12-02 | 高金虎 | Binding clip of power tong |
| CN103883272A (en) * | 2014-02-14 | 2014-06-25 | 江苏申利达机械制造有限公司 | Double-layer planet claw clamping mechanism of main tongs of open-type power tongs |
| CN205419644U (en) * | 2016-03-14 | 2016-08-03 | 中国矿业大学 | Floating disc brake of kilometer deep winding machine |
| CN110836098A (en) * | 2019-12-09 | 2020-02-25 | 江苏如石机械股份有限公司 | Jaw resetting mechanism of open type power tongs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111577171A (en) | 2020-08-25 |
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