CN208651472U - A kind of break pin convenient for extraction - Google Patents
A kind of break pin convenient for extraction Download PDFInfo
- Publication number
- CN208651472U CN208651472U CN201820222597.8U CN201820222597U CN208651472U CN 208651472 U CN208651472 U CN 208651472U CN 201820222597 U CN201820222597 U CN 201820222597U CN 208651472 U CN208651472 U CN 208651472U
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- Prior art keywords
- break pin
- screw thread
- utility
- model
- slot
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model relates to a kind of break pins convenient for extraction, belong to hydroelectric facility connecting component technical field, including break pin cylinder, the inner hole through both ends is offered on break pin cylinder, the medium position of break pin cylinder is provided with annular and cuts off slot, internal screw thread is provided on inner hole hole wall, the upper end of break pin cylinder is provided with circular orientation end cap, and internal screw thread is arranged on inner hole hole wall close to the position of circular orientation end cap and is located at the annular top for cutting off slot.By above structure, screw rod can be screwed on internal screw thread by user, so that screw rod and the utility model are firmly connected as an entirety, then apply axial active force of choosing on screw rod, the utility model can be extracted, it is simple to operate, it is practical.
Description
Technical field
The utility model belongs to hydroelectric facility connecting component technical field, in particular to a kind of break pin convenient for extraction.
Background technique
Break pin does not have positioning and the connection function of pin not only as a kind of specific pin, and it can be with
It is connected with signalling means and is used as detection part, in turbine technology field, cuts the connection of pin connection gate linkage
Plate and guide vane lever, under normal circumstances, for guide vane during moving, break pin has sufficient intensity to drive guide vane rotation, but works as guide vane
Between when thering is foreign matter to block, guide vane teunnion and guide vane lever be not active, and connecting plate rotates under plug drive, therefore generates to break pin
Shearing, when the shearing is greater than 1.5 times (namely shearing default stress) of normal operating stress, break pin is cut, and the guide vane is de-
From control, but other guide vanes still can normal rotation, fault spread is avoided, and transmit signals to signalling means, to warn behaviour
Make personnel's technical treatment.
In order to replace the break pin of fracture, need to take out it out of pin hole, but break pin in the prior art exists
It would generally be rusted during use, wear or even Light deformation can be generated, it is caused extremely to be not easy to take out.
Therefore a kind of break pin that can facilitate taking-up in the case where keeping original function urgently occurs.
Utility model content
The utility model provides a kind of break pin convenient for extraction and works as needs by being provided with internal screw thread in inner hole
When choosing, screw rod can be screwed on the internal screw thread on break pin cylinder inner hole by user, then utilize the outer of screw rod
The pretightning force between internal screw thread on screw thread and inner hole hole wall makes screw rod be connected to one with break pin, then user
It pulls out screw rod and is just able to achieve and extract break pin, designed using the structure, enable break pin provided by the utility model very square
Just it is quickly pulled out, operates conveniently, structure is simple, and practicability is stronger.
The utility model is achieved through the following technical solutions: a kind of break pin convenient for extraction, including break pin cylinder, institute
The inner hole offered on break pin cylinder through both ends is stated, the medium position of the break pin cylinder is provided with annular and cuts off slot,
Internal screw thread is provided on the inner hole wall.
Further, in order to preferably realize the utility model, the upper end of the break pin cylinder is provided with circular orientation
End cap, the internal screw thread are arranged on the inner hole hole wall close to the position of the circular orientation end cap and cut positioned at the annular
The top of cotter way.
Further, in order to preferably realize the utility model, the internal screw thread is connection screw thread.
Further, in order to which the utility model is better achieved, the connection screw thread is coarse thread.
Further, in order to which the utility model is better achieved, the connection screw thread is triangle thread.
Further, in order to which the utility model is better achieved, the lower end surface edge of the break pin cylinder is provided with
Chamfering.
Further, in order to which the utility model is better achieved, the angle of the chamfering is 15 °.
Further, in order to which the utility model is better achieved, card is provided in the circumferential side wall of the break pin cylinder
Spring slot, the jump-ring slot are arranged in the annular and cut off the lower section of slot and be located at close to the position of the chamfering.
Further, in order to which the utility model is better achieved, the surface of the break pin cylinder, the annular cut off slot
Cell wall, the cell wall of the jump-ring slot, be equipped with oxidation film layer on the chamfering surface and the inner hole hole wall.
The utility model has the advantages that compared to the prior art
(1) the utility model in inner hole by being provided with internal screw thread, and when needing to choose, user can be by spiral shell
Bar is screwed on the internal screw thread on break pin cylinder inner hole, then using screw rod external screw thread and inner hole hole wall on internal screw thread it
Between pretightning force screw rod is connected to one with break pin, then user, which pulls out screw rod and is just able to achieve, pulls out break pin
Out, it is designed using the structure, break pin provided by the utility model is easily quickly pulled out, is operated conveniently,
Structure is simple, and practicability is stronger；
(2) upper end of the break pin cylinder in the utility model is provided with circular orientation end cap, pacifies when by the utility model
When on the hydraulic turbine, above-mentioned circular orientation end cap can play the role of top positioning and limit, and limit
It states inner hole and the position for cutting off the top of slot close to circular orientation end cap on inner hole and positioned at above-mentioned annular is set, in this way, working as
When break pin is broken, a part that screw rod will only cut off slot upper end with annular is connect, when choosing, it will annular
The a part for cutting off slot upper end extracts, and the part that annular cuts off slot lower end can use the method for percussion for it from the hydraulic turbine
It is knocked out in component, so that choosing for the utility model is more easier；
(3) the lower end surface edge in the utility model is provided with chamfering, in order to which the utility model to be more easier to insert
Enter into reserved pin hole, practicability is stronger；
(4) it is provided with jump-ring slot in the break pin cylinder circumferential side wall of the utility model, and limits jump-ring slot setting
The lower section of slot is cut off in above-mentioned annular and is located at close to the position of chamfering, when the utility model is plugged on reserved pin by user
When in nail hole, the upper end is positioned and is limited using above-mentioned circular orientation end cap, and lower end can be in jump-ring slot
Circlip is installed and realizes positioning and limit, in this way, the feelings for lower jump of leaping up on can occurring during use to avoid break pin
Condition, thus the stability of enhancing when the utility model is used.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is in the utility model convenient for the structural schematic diagram for the break pin extracted；
Fig. 2 is described in Fig. 1 convenient for another viewing angle constructions schematic diagram for the break pin extracted；
Fig. 3 is in the utility model convenient for the cut-away view for the break pin extracted.
1- break pin cylinder in figure；11- inner hole；12- annular cuts off slot；13- chamfering；14- jump-ring slot；2- circular orientation
End cap.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Upper and lower position relationship in the present embodiment is subject to upper and lower position relationship shown in attached drawing 3, specifically, limits
Top shown in attached drawing 3 is upper, under lower section shown in attached drawing 3 is.
Embodiment 1:
In the present embodiment, a kind of break pin convenient for extraction, as shown in Figure 1 to Figure 3, including break pin cylinder 1, the cutting
The inner hole 11 through its both ends is offered on pin body 1, and the medium position of above-mentioned break pin cylinder 1 is provided with annular and cuts off slot
12, when its in use by shear force when, it is disconnected that the utility model, which will cut off slot 12 with above-mentioned annular,
Knick point and disconnect, to play the role of common break pin.
In the present embodiment, it is provided with internal screw thread 11 on above-mentioned 11 hole wall of inner hole, after the utility model has fractureed, is made
User can use on the internal screw thread 111 that screw rod is screwed on 11 hole wall of the utility model inner hole, using screw rod external screw thread with
The pretightning force that threaded between internal screw thread 111 on above-mentioned inner hole 11 is formed connects screw rod firmly with the utility model
It is connected in an entirety, then user only needs screw rod of choosing, namely applies the axial force pulled out outwardly on screw rod, can be by this
Utility model extracts inside pin hole, simple to operate.The utility model compared to the prior art, passes through simple
Structure design solve break pin in the prior art dexterously using cooperation between screw rod and internal screw thread 111 and be not easy to pull out
The technical issues of taking, the practicality are stronger.
As a kind of specific embodiment of the present embodiment, as shown in Figure 1 to Figure 3, in the upper end of above-mentioned break pin cylinder 1
It is provided with circular orientation end cap 2, which is in annulus plate-like, it is coaxially disposed with above-mentioned break pin cylinder 1, and
And the interior annular distance aperture for limiting the break pin cylinder 1 is slightly larger than the aperture of above-mentioned inner hole 11, and limits above-mentioned internal screw thread 111 and set
Set the top that slot 12 is cut off close to the position of circular orientation end cap 2 on above-mentioned 11 hole wall of inner hole and positioned at annular.
Above-mentioned circular orientation end cap 2 can play the role of top positioning and limit, and above-mentioned circular orientation end cap 2
Interior annular distance may help to user, and easily screw rod is inserted into inner hole 11 and is screwed on internal screw thread 111, and above-mentioned internal screw thread
It sets to 111 positions, it is ensured that 111 meetings of internal screw thread and the top of break pin cylinder 1 are fixed together, in this way, working as
When the utility model is broken, a part that annular cuts off 12 upper end of slot will be extracted using screw rod, and annular is cut
The method that the part of 12 lower end of cotter way can use percussion knocks out it from hydraulic turbine assembly, so that the utility model is chosen
Operation is more easier.
As a kind of specific embodiment of the present embodiment, in the present embodiment, above-mentioned internal screw thread 111 is limited as connection spiral shell
Line, and specially triangle coarse thread, to bear bigger axial force, and connect more compact
It is firm.
Embodiment 2:
The present embodiment is further improved on the basis of embodiment 1, in the present embodiment, as shown in Fig. 1 to Fig. 3, upper
The lower end surface edge for stating break pin cylinder 1 is provided with chamfering 13, specifically, limits the angle of the chamfering 13 as 15 °.Using this
The utility model can be more easily inserted into scheduled pin hole by structure, user.
In the present embodiment, as shown in Figure 1 to Figure 3, jump-ring slot is provided in the circumferential side wall of above-mentioned break pin cylinder 1
14, and limit the jump-ring slot 14 and the annular lower section for cutting off slot 12 is set and is located at close to the position of above-mentioned chamfering 13.Using
The structure, when the utility model is inserted into preset pin hole by user, so that above-mentioned jump-ring slot 14 protrudes hydraulic turbine assembly
Surface, then user can install circlip in above-mentioned jump-ring slot 14, and make upper surface and the water turbine set of circlip
The contact of part surface.In this way, the upper end of the utility model is positioned and limited using above-mentioned circular orientation end cap 2, this is practical
Novel lower end is positioned and is limited using above-mentioned circlip, so that the utility model can be more firmly mounted to
In pin hole, avoid its during use on leap up lower jump, and then enhance the practicability and stability of the utility model.
Embodiment 3:
The present embodiment is further improved on the basis of embodiment 2, in order to avoid the surface of the utility model as far as possible
It is rusted or wears, in this implementation, cut off cell wall, the above-mentioned card of slot 12 in the surface of above-mentioned break pin cylinder 1, above-mentioned annular
The person's of being provided with oxidation film layer on 11 hole wall of the cell wall of spring slot 14,13 surface of above-mentioned chamfering and above-mentioned inner hole, and by its table
Face forms bright and clean carrot-free surface by polishing treatment, chooses to easily facilitate the utility model.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (9)
1. a kind of break pin convenient for extraction, including break pin cylinder, offered in both ends on the break pin cylinder
Hole, the medium position of the break pin cylinder are provided with annular and cut off slot, it is characterised in that: in being provided on the inner hole hole wall
Screw thread.
2. a kind of break pin convenient for extraction according to claim 1, it is characterised in that: the upper end of the break pin cylinder
It is provided with circular orientation end cap, the internal screw thread is arranged on the inner hole hole wall close to the position of the circular orientation end cap simultaneously
The top of slot is cut off positioned at the annular.
3. a kind of break pin convenient for extraction according to claim 2, it is characterised in that: the internal screw thread is connection spiral shell
Line.
4. a kind of break pin convenient for extraction according to claim 3, it is characterised in that: the connection screw thread is coarse thread spiral shell
Line.
5. a kind of break pin convenient for extraction according to claim 4, it is characterised in that: the connection screw thread is triangle
Screw thread.
6. a kind of break pin convenient for extraction according to claim 1, it is characterised in that: the lower end of the break pin cylinder
Face edge is provided with chamfering.
7. a kind of break pin convenient for extraction according to claim 6, it is characterised in that: the angle of the chamfering is 15 °.
8. a kind of break pin convenient for extraction according to claim 6, it is characterised in that: the circumferential direction of the break pin cylinder
Jump-ring slot is provided on side wall, the jump-ring slot is arranged in the annular and cuts off the lower section of slot and be located at close to the position of the chamfering
It sets.
9. a kind of break pin convenient for extraction according to claim 8, it is characterised in that: the table of the break pin cylinder
Face, the annular cut off and are equipped on the cell wall of slot, the cell wall of the jump-ring slot, the chamfering surface and the inner hole hole wall
Oxidation film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222597.8U CN208651472U (en) | 2018-02-07 | 2018-02-07 | A kind of break pin convenient for extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222597.8U CN208651472U (en) | 2018-02-07 | 2018-02-07 | A kind of break pin convenient for extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651472U true CN208651472U (en) | 2019-03-26 |
Family
ID=65772011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820222597.8U Active CN208651472U (en) | 2018-02-07 | 2018-02-07 | A kind of break pin convenient for extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651472U (en) |
-
2018
- 2018-02-07 CN CN201820222597.8U patent/CN208651472U/en active Active
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