CN206010904U - Crown nut four-jaw wrench head with adjustable angle - Google Patents

Crown nut four-jaw wrench head with adjustable angle Download PDF

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Publication number
CN206010904U
CN206010904U CN201620817881.0U CN201620817881U CN206010904U CN 206010904 U CN206010904 U CN 206010904U CN 201620817881 U CN201620817881 U CN 201620817881U CN 206010904 U CN206010904 U CN 206010904U
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CN
China
Prior art keywords
driving end
paws
adjustable
crown nut
hole
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Application number
CN201620817881.0U
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Chinese (zh)
Inventor
闻伟
杨彦娜
杨亚博
周瑞
彭素芹
赵磊
何曙光
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN201620817881.0U priority Critical patent/CN206010904U/en
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Abstract

The utility model discloses an angle-adjustable crown-shaped nut four-jaw wrench head belongs to oil production machinery maintenance technical field. This wrench head includes: the wrench head comprises a wrench head body, a handle and a handle, wherein the wrench head body comprises a circular base plate and four centralizing claws which are uniformly arranged on the edge of the circular base plate and protrude below the circular base plate; three uniformly-arranged centering claw through holes are respectively formed in two of the centering claws which are symmetrically arranged; the moment arm connecting end is positioned at the center of the circular chassis; and the adjusting sheet is connected to the righting claw with the righting claw through hole, the adjusting sheet is provided with two adjusting sheet through holes, and the size and the interval of the two adjusting sheet through holes are the same as those of the three righting claw through holes. The utility model discloses a but angle regulation's crown nut four-jaw spanner head has solved the difficult problem of operation because of the crown nut model is different to work efficiency and operational safety have been improved.

Description

A kind of crown nut four paws driving end of adjustable-angle
Technical field
This utility model is related to petroleum recovering machinery maintenance technique field, the crown spiral shell of more particularly to a kind of adjustable-angle Cap four paws driving end.
Background technology
During production of hydrocarbons, the widely used oil production equipment in oil field is beam pumping unit, in power transmission process Middle crank does the rotary motion of low speed, drives quadric chain to cause oil pumper to drive deep-well pump piston to do by crank pins Lower reciprocating motion, the distance of up and down motion are called stroke.When oil pumper needs to adjust running parameter (as adjusted stroke) or changes During the crank pins of damage, need to dismantle the crown nut on securing member crank pins, further to be dismantled crank pins Operation.
Due to the overall dimensions of beam pumping unit its crown nut of different model different and special currently without one kind Instrument goes for the disassembling section of polytypic crown nut, is generally dismantled using traditional method, i.e., in prior art Crank pins crown type nut is swung repeatedly using sledgehammer by five, six people in turn and pounded, make crank pins directly from the crank of oil pumper Exit in hole, but due to crank pins present position special, scene when making to dismantle crank pins in this way very not Just, power is not used in sledgehammer impact, is caused inefficiency, thereby increases and it is possible to which operator is damaged, is susceptible to security incident.
Utility model content
For solve above-mentioned technical problem, this utility model provide a kind of suitable for dismantle different model crown nut can Adjust the four paws driving end of angle.
Specifically, including following technical scheme:
A kind of crown nut four paws driving end of adjustable-angle, the driving end include:
Driving end body, the driving end body include circular base plate and are uniformly arranged on the edge of the circular base plate Upper and four righting pawls prominent to the lower section of the circular base plate;On righting pawl described in the two of which into symmetric arrays The three righting pawl through holes that are evenly arranged are offered respectively;
It is located at the arm of force connection end of the center of the circular base plate;And
The adjustment sheet being connected on the righting pawl with the righting pawl through hole, the adjustment sheet are adjusted with two Piece through hole, the size of described two adjustment sheet through holes and spacing are identical with the size and spacing of three rightings pawl through hole.
Preferably, the circular base plate and the righting pawl are integrally formed.
Preferably, the arm of force connection end is square.
Preferably, the arm of force connection end and described this body by integral forming of driving end.
Further, has threaded chassis through hole in the center of the circular base plate, the chassis through hole passes through institute State the center of arm of force connection end.
Preferably, the arm of force connection end is made up of alloy round steel with the driving end body.
Preferably, the righting pawl is arc.
Preferably, the both sides cutting edge of the righting pawl is 45 ° to the angle in the center of circle.
Preferably, the adjustment sheet is arc, and the radian of the adjustment sheet is identical with the radian of the righting pawl.
Preferably, the righting pawl through hole and the adjustment sheet through hole have female thread.
The beneficial effect of technical scheme that this utility model embodiment is provided is:Provide a kind of being applied to and dismantle different shaped Number crown nut adjustable-angle four paws driving end.The crown nut four paws driving end of the adjustable-angle adopts sleeve Design, makes driving end body be fixed on crown nut, and by adjusting adjustment sheet in the installation site of driving end body, fits The overall dimensions of the crown nuts of different model oil pumper such as such as 10 types, 12 types, 14 types are answered, further on arm of force connection end Connection common spanner carries out disassembling section.The crown nut four paws driving end of the adjustable-angle that the utility model is provided is solved The not easy-operating problem because crown nut model is different, so that improve work efficiency and processing safety.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to needed for embodiment description Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings Obtain other accompanying drawings.
A kind of vertical view of the crown nut four paws driving end of adjustable-angle that Fig. 1 is provided for this utility model embodiment Figure;
A kind of side-looking of the crown nut four paws driving end of adjustable-angle that Fig. 2 is provided for this utility model embodiment Figure.
Reference in figure is represented respectively:
1st, driving end body;
2nd, circular base plate;
3rd, righting pawl;
4th, righting pawl through hole;
5th, arm of force connection end;
6th, adjustment sheet;
7th, adjustment sheet through hole;
8th, chassis through hole.
Specific embodiment
For making the technical solution of the utility model and advantage clearer, this utility model is implemented below in conjunction with accompanying drawing Mode is described in further detail.
This utility model embodiment provides a kind of crown nut four paws driving end of adjustable-angle, referring to Fig. 1 and combines A kind of top view of the crown nut four paws driving end of adjustable-angle that Fig. 2, Fig. 1 are provided for this utility model embodiment, Fig. 2 A kind of side view of the crown nut four paws driving end of the adjustable-angle provided for this utility model embodiment.The driving end bag Include:Driving end body 1, driving end body 1 include circular base plate 2 and are uniformly arranged on the edge of circular base plate 2 and to circle Four righting pawls 3 that the lower section on chassis 2 projects;Three are offered on the two of which righting pawl 3 into symmetric arrays respectively The righting pawl through hole 4 of even arrangement;It is located at the arm of force connection end 5 of the center of circular base plate 2;And be connected to logical with righting pawl Adjustment sheet 6 on the righting pawl 3 in hole 4, adjustment sheet 6 have two adjustment sheet through holes 7, the size of two adjustment sheet through holes 7 and Away from identical with the size and spacing of three righting pawl through holes 4.
It should be noted that adjust to be more convenient for use, the adjustable-angle provided in this utility model embodiment Three or more can be opened up on four righting pawls 3 of crown nut four paws driving end in the righting pawl through hole 4 being evenly arranged, phase That answered arranges four adjustment sheets 6, and adjustment sheet 6 is may be alternatively provided as with two or more adjustment sheet through holes 7.In addition, driving end The profile of body 1 is circle, is made up of circular base plate 2 and four righting pawls 3, and this design makes driving end body 1 and crown spiral shell The profile of cap is consistent so that can be brought into close contact in use and crown is opened nut and is difficult to release.
The operation principle of crown nut four paws driving end of the adjustable-angle that this utility model embodiment is provided is:Pass through The gap being connected to adjust the formation between righting pawl 3 between righting pawl through hole 4 and adjustment sheet through hole 7, so as to adapt to The overall dimensions of different model crown nut.Specifically in practical operation, adjustment sheet 6 is symmetrically fixed on driving end body 1 On righting pawl 3, driving end body 1 is fixed on crown nut, and adjustment adjustment sheet 6 is used in combination in the installation site of driving end body 1 Fixing bolt is fixed through corresponding righting pawl through hole 4 and adjustment sheet through hole 7, by adjusting the formation between righting pawl 3 Gap to adapt to the overall dimensions of the crown nut of the different model oil pumpers such as such as 10 types, 12 types, 14 types, then in the arm of force On connection end 5, connection common spanner is in order to carrying out disassembling section.The four paws driving end that the utility model is provided is solved because of crown Shape nut model is different and not easy-operating problem, so as to improve work efficiency and processing safety.Of the present utility model In technical scheme, adjustment sheet 6 can be adjusted and then the gap formed between 3 is grabbed in adjustment righting, so as to realize to three different shapeds Number oil pumper crown nut overall dimensions operation.Herein, although this utility model is in order that using at the beginning of design The different model oil pumper such as 10 common types, 12 types, 14 types in specific model such as this area, but it is apparent that Embody technology design of the present utility model technical scheme can be applicable to other three kinds of different models oil pumper crown The overall dimensions of nut, and size herein can carry out adaptive change according to actual job environment etc..
In the crown nut four paws driving end of above-mentioned adjustable-angle, for Simplified flowsheet, and driving end body 1 is made More firm, hard, circular base plate 2 can be set and righting pawl 3 is integrally formed and makes.
In the crown nut four paws driving end of above-mentioned adjustable-angle, the shape to arm of force connection end 5 is not strict Limit, can conveniently connect common spanner, it is preferable that it is square to arrange arm of force connection end 5.
In the crown nut four paws driving end of above-mentioned adjustable-angle, for Simplified flowsheet, and driving end body 1 is made And the connection between arm of force connection end 5 is more firm, hard, arm of force connection end 5 can be set and system is integrally formed with driving end body 1 Into.
In the crown nut four paws driving end of above-mentioned adjustable-angle, further, can be at the center of circular base plate 2 Place is provided with the chassis through hole 8 of screw thread, center of the chassis through hole 8 through arm of force connection end 5.In specifically used, can use Righting rod (not shown in figure, righting rod can be screw rod) through the corresponding hole on chassis through hole 8 and crown nut, and with pressing Cap is fixed, so that further driving end body 1 is fixed on crown nut.
In the crown nut four paws driving end of above-mentioned adjustable-angle, dismantling crown nut needs larger power ability Complete, in order to prevent the fracture of driving end body 1, arm of force connection end 5 can be by the alloy round steel of high-quality one with driving end body 1 Molding is made.
In the crown nut four paws driving end of above-mentioned adjustable-angle, righting pawl 3 can be set for arc, with preferably Adapt to the profile of crown nut.
In the crown nut four paws driving end of above-mentioned adjustable-angle, can arrange the both sides cutting edge of righting pawl 3 to The angle in the center of circle is 45 °, to better adapt to the profile of crown nut.
In the crown nut four paws driving end of above-mentioned adjustable-angle, adjustment sheet 6 can be set for arc, and adjustment sheet 6 radian is identical with the radian of righting pawl 3, and it (can be for example tool that can for example arrange adjustment sheet 6 identical with the shape of righting pawl 3 Have the cuboid of certain crooked radian) so that adjustment sheet 6 and righting pawl 3 can be fitted, in order to adjust between righting pawl 3 The gap of formation.
In the crown nut four paws driving end of above-mentioned adjustable-angle, righting pawl through hole 4 can be set and adjustment sheet is logical Hole 7 has female thread, when according to actual needs adjustment sheet 6 is adjusted on the relevant position on righting pawl 3, by fixed spiral shell Bolt is fixed through righting pawl through hole 4 and adjustment sheet through hole 7.
The above is for only for ease of those skilled in the art and understands the technical solution of the utility model, not in order to Limit this utility model.All of the present utility model spirit and principle within, any modification, equivalent substitution and improvements that is made etc., Should be included within protection domain of the present utility model.

Claims (10)

1. the crown nut four paws driving end of a kind of adjustable-angle, it is characterised in that the driving end includes:
Driving end body (1), described driving end body (1) include circular base plate (2) and are uniformly arranged on the circular base plate (2) Edge on and four righting pawls (3) prominent to the lower section of the circular base plate (2);In the two of which into symmetric arrays Three rightings pawl through hole (4) that are evenly arranged are offered on righting pawl (3) respectively;
It is located at the arm of force connection end (5) of the center of the circular base plate (2);And
The adjustment sheet (6) being connected on righting pawl (3) with righting pawl through hole (4), adjustment sheet (6) have Two adjustment sheet through holes (7), the size and spacing of described two adjustment sheet through hole (7) and three rightings pawl through hole (4) Size is identical with spacing.
2. the crown nut four paws driving end of adjustable-angle according to claim 1, circular base plate (2) and described Righting pawl (3) is integrally formed.
3. the crown nut four paws driving end of adjustable-angle according to claim 2, described arm of force connection end (5) are for just Cube.
4. the crown nut four paws driving end of adjustable-angle according to claim 3, arm of force connection end (5) and institute State driving end body (1) to be integrally formed.
5. the crown nut four paws driving end of adjustable-angle according to claim 4, in the circular base plate (2) Have threaded chassis through hole (8) at the heart, the center of described chassis through hole (8) through arm of force connection end (5).
6. the crown nut four paws driving end of adjustable-angle according to claim 5, arm of force connection end (5) and institute State driving end body (1) to be made up of alloy round steel.
7. the crown nut four paws driving end of adjustable-angle according to claim 1, described righting pawl (3) are arc.
8. the crown nut four paws driving end of adjustable-angle according to claim 7, two lateral incisions of righting pawl (3) Chamfered edge is 45 ° to the angle in the center of circle.
9. the crown nut four paws driving end of adjustable-angle according to claim 8, described adjustment sheet (6) are arc, And the radian of adjustment sheet (6) is identical with the radian of righting pawl (3).
10. the crown nut four paws driving end of adjustable-angle according to claim 1, righting pawl through hole (4) and Described adjustment sheet through hole (7) have female thread.
CN201620817881.0U 2016-07-28 2016-07-28 Crown nut four-jaw wrench head with adjustable angle Active CN206010904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620817881.0U CN206010904U (en) 2016-07-28 2016-07-28 Crown nut four-jaw wrench head with adjustable angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620817881.0U CN206010904U (en) 2016-07-28 2016-07-28 Crown nut four-jaw wrench head with adjustable angle

Publications (1)

Publication Number Publication Date
CN206010904U true CN206010904U (en) 2017-03-15

Family

ID=58245808

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620817881.0U Active CN206010904U (en) 2016-07-28 2016-07-28 Crown nut four-jaw wrench head with adjustable angle

Country Status (1)

Country Link
CN (1) CN206010904U (en)

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