CN215292387U - Automatic return structure of hydraulic tong - Google Patents
Automatic return structure of hydraulic tong Download PDFInfo
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- CN215292387U CN215292387U CN202121862641.XU CN202121862641U CN215292387U CN 215292387 U CN215292387 U CN 215292387U CN 202121862641 U CN202121862641 U CN 202121862641U CN 215292387 U CN215292387 U CN 215292387U
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Abstract
The utility model relates to an automatic return structure of hydraulic tong, including the holder, set up the main tong on holder upper portion, set up the back-up tong in the holder lower part, the main tong includes that the main tong takes the tooth base, and the tooth base inner circle of main tong is provided with a set of main tong orbit groove, and the main tong is taken the tooth base to be provided with and to follow main tong orbit groove pivoted main tong jaw frame, and a set of main tong jaw board is seted up to main tong jaw frame lateral wall and is settled the breach, and each main tong jaw board is settled to be provided with in the breach and to settle the main tong jaw board that the breach is flexible, the return, and the main tong jaw board is provided with rotatable main tong return wheel towards the lateral wall in main tong orbit groove, main tong return wheel and main tong orbit groove looks adaptation. The utility model discloses can effectively solve prior art and pass through the manual return of labourer, work efficiency is low, and labourer intensity is big, has the problem of potential safety hazard.
Description
Technical Field
The utility model relates to an automatic return structure of hydraulic tong.
Background
When the main tong rotates, the jaw plate frame of the main tong slides to the circle center due to the sliding groove on the toothed base of the main tong to hold the tubular column, but the jaw plate of the main tong cannot be retracted when the jaws of the main tong are centered, so that the hydraulic big tong cannot leave oil at the well mouth.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydraulic tong's self return structure can effectively solve current hydraulic tong when rotatory, and main tong jaw frame slides to the centre of a circle and holds the tubular column because of the tooth base is taken to the main tong, and the main tong jaw can't be withdrawed when nevertheless the centering of keeping silent to the main tong, causes the hydraulic tong can't leave the problem of well head.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an automatic return structure of hydraulic tong, includes the holder, sets up the main tong on holder upper portion, sets up the back-up tong in the holder lower part, the main tong includes that the main tong takes the tooth base, and the tooth base inner circle of main tong is provided with a set of main tong orbit groove, and the tooth base of main tong is provided with the main tong jaw frame that can follow main tong orbit groove pivoted in being provided with, and a set of main tong jaw board is seted up to main tong jaw frame lateral wall and is settled the breach, and each main tong jaw board is settled and is provided with the main tong jaw board that can settle breach flexible, return relatively in the breach, and the main tong jaw board is provided with rotatable main tong return wheel towards the lateral wall in main tong orbit groove, main tong return wheel and main tong orbit groove looks adaptation.
Furthermore, the main tong jaw plate arrangement notch is located at the left side and the right side of the main tong jaw plate and is provided with a main tong torsional spring fixing pin respectively, the left side and the right side of the main tong jaw plate are provided with a main tong jaw plate torsional spring clamping pin respectively, the main tong torsional spring fixing pin is sleeved with a main tong torsional spring, and the upper end and the lower end of the main tong torsional spring are hooked on the main tong jaw plate torsional spring clamping pin at the same side.
Furthermore, a main tong return wheel arrangement notch is formed in one side, facing the main tong track groove, of the main tong jaw plate, the main tong return wheel can be rotatably arranged in the main tong return wheel arrangement notch, and the end portion of the outer ring of the main tong return wheel extends out of the main tong return wheel arrangement notch.
Furthermore, the main tong return wheel arrangement notch is located two outsides of the left and right sides of the main tong return wheel and is provided with a group of main bayonet lock fixing holes respectively, and each group of main bayonet lock fixing holes comprises an upper main bayonet lock fixing hole which is penetrated through to the main tong return wheel arrangement notch by the upper end face of the main tong jaw plate and a lower main bayonet lock fixing hole which is penetrated through to the main tong return wheel arrangement notch by the lower end face of the main tong jaw plate.
Furthermore, the middle parts of the upper end surface and the lower end surface of each main jaw plate placing notch are recessed to form main limiting grooves, and the upper end surface and the lower end surface of each main jaw plate are connected with the main limiting grooves and can perform telescopic motion along the main limiting grooves; the main limiting groove penetrates through the side walls of the inner ring and the outer ring of the jaw frame of the main tong.
Further, each main tong jaw is settled breach and is located the left and right sides peak of main spacing groove and be provided with a set of main fixed pin pilot hole respectively, and every main fixed pin pilot hole of group all includes and runs through to the last main fixed pin pilot hole that main tong jaw settled the breach by main tong jaw frame up end, and runs through to the lower main fixed pin pilot hole that main tong jaw settled the breach by terminal surface under the main tong jaw frame.
Furthermore, the back-up tong is provided with a return structure which is the same as that of the main tong.
The utility model has the advantages that: automatic return is realized by arranging the main tong torsion spring and the back-up tong torsion spring on the main tong and the back-up tong, so that the problem that the potential safety hazard exists due to the fact that the labor intensity is high and the working efficiency is low in the prior art is effectively solved.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of an exploded structure of the main tong.
Fig. 3 is a schematic diagram of an exploded structure of the back-up tong.
Fig. 4 is a schematic structural view of the jaw frame of the main tong.
Fig. 5 is a schematic structural view of the main jaw plate and the back jaw plate.
Fig. 6 is a schematic structural view of a back-up tong jaw frame.
Wherein, 1, a clamp frame, 2, a master clamp, 3, a back clamp, 4, a base with teeth of the master clamp, 5, a track groove of the master clamp, 6, a jaw frame of the master clamp, 7, a jaw plate placing gap of the master clamp, 8, a jaw plate of the master clamp, 9, a return wheel of the master clamp, 10, a fixing pin of the torsion spring of the master clamp, 11, a clamping pin of the jaw plate of the master clamp, 12, a torsion spring of the master clamp, 13, a wheel placing gap of the return wheel of the master clamp, 15, a fixing hole of an upper clamping pin, 16, a fixing hole of a lower main clamping pin, 17, a limiting groove of the master, 18, an assembling hole of an upper fixing pin, 19, an assembling hole of a lower main fixing pin, 20, a base of the back clamp, 21, a track groove of the back clamp, 22, a jaw frame of the back clamp, 23, a jaw plate placing gap of the back clamp, 24, a jaw plate of the back clamp, 25, a wheel of the back clamp, 26, a fixing pin, 27, a torsion spring of the back clamp, 28, a torsion spring of the back clamp, 29, a notch of the back clamp, 30, a back clamp return wheel of the back clamp, 31. lower back bayonet lock fixed orifices, 32, back spacing groove, 33, upper back fixed pin pilot hole, 34, lower back fixed pin pilot hole.
Detailed Description
The embodiment, as shown in fig. 1 to 6, the automatic return structure of a hydraulic tong comprises a tong rack 1, a main tong 2 arranged on the upper portion of the tong rack 1, and a back-up tong 3 arranged on the lower portion of the tong rack 1, wherein the main tong 2 comprises a main tong toothed base 4, a group of main tong track grooves 5 are arranged on the inner ring of the main tong toothed base 4, a main tong jaw frame 6 capable of rotating along the main tong track grooves 5 is arranged in the main tong toothed base 4, a group of main tong jaw plate mounting notches 7 are formed in the side wall of the main tong jaw frame 6, a main tong jaw plate 8 capable of extending and returning relative to the main tong jaw plate mounting notches 7 is arranged in each main tong jaw plate mounting notch 7, a rotatable main tong return wheel 9 is arranged on the outer side wall of the main tong jaw plate 8 facing the main tong track grooves 5, and the main tong return wheel 9 is matched with the main tong track grooves 5.
The main tong jaw arrangement notch 7 is located the left and right sides of the main tong jaw 8 and is provided with a main tong torsional spring fixing pin 10 respectively, the left and right sides of the main tong jaw 8 are provided with a main tong jaw torsional spring bayonet lock 11 respectively, the main tong torsional spring fixing pin 10 is sleeved with a main tong torsional spring 12, and the upper and lower ends of the main tong torsional spring 12 are hooked on the main tong jaw torsional spring bayonet lock 11 at the same side.
One side of the main tong jaw plate 8 facing the main tong track groove 5 is provided with a main tong return wheel arrangement notch 13, the main tong return wheel 9 can be rotatably arranged in the main tong return wheel arrangement notch 13, and the end part of the outer ring of the main tong return wheel 9 extends out of the main tong return wheel arrangement notch 13.
The main tong return wheel arrangement notch 13 is positioned on the left side and the right side of the main tong return wheel 9 and is respectively provided with a group of main bayonet lock fixing holes, each group of main bayonet lock fixing holes comprises an upper main bayonet lock fixing hole 15 which penetrates through the upper end face of the main tong jaw plate 8 to the main tong return wheel arrangement notch 13 and a lower main bayonet lock fixing hole 16 which penetrates through the lower end face of the main tong jaw plate 8 to the main tong return wheel arrangement notch 13.
The middle parts of the upper end surface and the lower end surface of each main jaw plate mounting notch 7 are recessed to form a main limiting groove 17, and the upper end surface and the lower end surface of each main jaw plate 8 are connected with the main limiting groove 17 and can perform telescopic motion along the main limiting groove 17; the main limiting groove 17 penetrates through the side walls of the inner ring and the outer ring of the main jaw frame 6.
Each main tong jaw is settled breach 7 and is located the left and right sides peak of main spacing groove 17 and be provided with a set of main fixed pin pilot hole respectively, and every main fixed pin pilot hole of group all includes and runs through to the last main fixed pin pilot hole 18 that main tong jaw settled breach 7 by main tong jaw 6 up end to reach runs through to the lower main fixed pin pilot hole 19 that main tong jaw settled breach 7 by the terminal surface under the main tong jaw 6.
The back-up tong 3 is provided with a return structure which is the same as that of the main tong 2. The method comprises the following specific steps:
back-up tong 3 includes back-up tong base 20, back-up tong base 20 inner circle is provided with a set of back-up tong orbit groove 21, be provided with in the back-up tong base 20 and follow back-up tong jaw frame 22 of back-up tong orbit groove 21 pivoted, back-up tong jaw frame 22 lateral wall has been seted up a set of back-up tong jaw and has been settled breach 23, each back-up tong jaw is settled to be provided with in the breach 23 can settle the back-up tong jaw 24 that breach 23 is flexible, the back-up tong returns the wheel 25 towards the lateral wall of back-up tong orbit groove 21, back-up tong return wheel 25 and back-up tong orbit groove 21 looks adaptation.
Back-up tong jaw arrangement notch 23 is located the left and right sides of back-up tong jaw 24 and is provided with a back-up tong torsional spring fixed pin 26 respectively, and the left and right sides of back-up tong jaw 24 is provided with a back-up tong jaw torsional spring bayonet lock 27 respectively, and back-up tong torsional spring fixed pin 26 cover is equipped with back-up tong torsional spring 28, and the upper and lower both ends of back-up tong torsional spring 28 collude on the back-up tong jaw torsional spring bayonet lock 27 of homonymy.
One side of the back-up tong jaw plate 24 facing the back-up tong track groove 21 is provided with a back-up tong return wheel installation notch 29, the back-up tong return wheel 25 can be rotatably arranged in the back-up tong return wheel installation notch 29, and the end part of the outer ring of the back-up tong return wheel 25 extends out of the back-up tong return wheel installation notch 29.
The back-up tong return wheel arrangement notch 29 is positioned on the left side and the right side of the back-up tong return wheel 25 and is respectively provided with a group of back-up tong fixing holes, each group of back-up tong fixing holes comprises an upper back-up tong fixing hole 30 which is penetrated through from the upper end surface of the back-up tong jaw plate 24 to the back-up tong return wheel arrangement notch 29 and a lower back-up tong fixing hole 31 which is penetrated through from the lower end surface of the back-up tong jaw plate 24 to the back-up tong return wheel arrangement notch 29.
The middle parts of the upper end surface and the lower end surface of each back-up tong jaw plate arrangement notch 23 are concavely formed with back limiting grooves 32, and the upper end surface and the lower end surface of each back-up tong jaw plate 24 are connected with the back limiting grooves 32 and can perform telescopic motion along the back limiting grooves 32; the back limiting groove 32 is arranged through the inner and outer ring side walls of the back tong jaw frame 22.
Each back tong jaw is settled breach 23 and is located back of the body spacing groove 32 about both sides peak and be provided with a set of back of the body fixed pin pilot hole respectively, every back of the body fixed pin pilot hole of group all includes and runs through to the back of the body fixed pin pilot hole 33 of settling breach 23 to the back of the body tong jaw by back of the body tong jaw frame 22 up end, and runs through to the back of the body fixed pin pilot hole 34 of the lower back of the body fixed pin of settling breach 23 to the back of the body tong jaw by the terminal surface under the back of the body tong jaw frame 22.
Description of the principle: when the main tong jaw frame 6 rotates, the main tong return wheel 9 on the main tong jaw 8 offsets with the main tong track groove 5, and in the rotating process, the main tong jaw 8 is arranged with the notch 7 to stretch out and draw back relatively to the main tong jaw because of the change of the relative position of the main tong return wheel 9 and the main tong track groove 5. At the same time, the main jaw torsion spring 12 will provide a torsion force to the main jaw 8, which will drive the main jaw 8 to return to the initial position.
In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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 therefore, should not be construed as limiting the present 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a hydraulic tong's self return structure, includes the holder, sets up the main pincers on holder upper portion, sets up back-up tong, its characterized in that in the holder lower part: the main tong comprises a main tong toothed base, a group of main tong track grooves are formed in the inner ring of the main tong toothed base, a main tong jaw plate frame capable of rotating along the main tong track grooves is arranged in the main tong toothed base, a group of main tong jaw plate arrangement notches are formed in the side wall of the main tong jaw plate frame, main tong jaw plates capable of expanding and returning relative to the main tong jaw plate arrangement notches are arranged in each main tong jaw plate arrangement notch, a rotatable main tong return wheel is arranged on the outer side wall, facing the main tong track grooves, of each main tong jaw plate, and the main tong return wheel is matched with the main tong track grooves.
2. The self-return structure of a hydraulic tong according to claim 1, characterized in that: the main tong jaw plate arrangement notch is located on the left side and the right side of the main tong jaw plate and is provided with a main tong torsional spring fixing pin respectively, the left side and the right side of the main tong jaw plate are provided with a main tong jaw plate torsional spring clamping pin respectively, the main tong torsional spring fixing pin is sleeved with a main tong torsional spring, and the upper end and the lower end of the main tong torsional spring are hooked on the main tong jaw plate torsional spring clamping pin on the same side.
3. The self-return structure of a hydraulic tong according to claim 2, characterized in that: one side of the main tong jaw plate facing the main tong track groove is provided with a main tong return wheel arrangement notch, the main tong return wheel is rotatably arranged in the main tong return wheel arrangement notch, and the end part of the outer ring of the main tong return wheel extends out of the main tong return wheel arrangement notch.
4. The self-return structure of a hydraulic tong according to claim 3, characterized in that: the main tong return wheel arrangement notch is located two outsides of the left and right sides of the main tong return wheel and is provided with a group of main bayonet lock fixing holes respectively, and each group of main bayonet lock fixing holes comprises an upper main bayonet lock fixing hole which is penetrated through to the main tong return wheel arrangement notch by the upper end face of a main tong jaw plate and a lower main bayonet lock fixing hole which is penetrated through to the main tong return wheel arrangement notch by the lower end face of the main tong jaw plate.
5. The self-return structure of a hydraulic tong according to any one of claims 1 to 4, characterized in that: the middle parts of the upper end surface and the lower end surface of each main jaw plate placing notch are recessed to form main limiting grooves, and the upper end surface and the lower end surface of each main jaw plate are connected with the main limiting grooves and can perform telescopic motion along the main limiting grooves; the main limiting groove penetrates through the side walls of the inner ring and the outer ring of the jaw frame of the main tong.
6. The self-return structure of a hydraulic tong according to claim 5, characterized in that: each main tong jaw is settled breach and is located the left and right sides peak of main spacing groove and be provided with a set of main fixed pin pilot hole respectively, and every main fixed pin pilot hole of group all includes and runs through to the last main fixed pin pilot hole that main tong jaw settled the breach by main tong jaw frame up end, and runs through to the lower main fixed pin pilot hole that main tong jaw settled the breach by main tong jaw frame lower extreme terminal surface.
7. The self-return structure of a hydraulic tong according to claim 6, characterized in that: the back-up tong is provided with a return structure which is in the same way as the main tong.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121862641.XU CN215292387U (en) | 2021-08-11 | 2021-08-11 | Automatic return structure of hydraulic tong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121862641.XU CN215292387U (en) | 2021-08-11 | 2021-08-11 | Automatic return structure of hydraulic tong |
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| Publication Number | Publication Date |
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| CN215292387U true CN215292387U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121862641.XU Active CN215292387U (en) | 2021-08-11 | 2021-08-11 | Automatic return structure of hydraulic tong |
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| CN (1) | CN215292387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417581A (en) * | 2021-08-11 | 2021-09-21 | 黄山华能石化机械有限公司 | Hydraulic tongs structure |
-
2021
- 2021-08-11 CN CN202121862641.XU patent/CN215292387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417581A (en) * | 2021-08-11 | 2021-09-21 | 黄山华能石化机械有限公司 | Hydraulic tongs structure |
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