CN202292665U - Clamp spring pincers - Google Patents
Clamp spring pincers Download PDFInfo
- Publication number
- CN202292665U CN202292665U CN2011203369255U CN201120336925U CN202292665U CN 202292665 U CN202292665 U CN 202292665U CN 2011203369255 U CN2011203369255 U CN 2011203369255U CN 201120336925 U CN201120336925 U CN 201120336925U CN 202292665 U CN202292665 U CN 202292665U
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- Prior art keywords
- circlip
- caliper
- circlip tongs
- claw
- pincer
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- Expired - Fee Related
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Abstract
The utility model discloses clamp spring pincers, which are used in mounting and demounting of circlips used by large shafts and comprise a pincer body (7) and pincer rods (5) arranged on the left side and the right side of the pincer body (7). The upper end portions of the two pincer rods (5) are both hinged with the pincer body (7), and the lower end portions of the two pincer rods (5) are both provided with pincer heads (10). The clamp spring pincers further comprise a driving device for driving the pincer rods (5) to be unfolded oppositely and a locking device for locking working positions of the pincer rods (5). The clamp spring pincers can provide larger acting force, can achieve mounting and demounting of the circlips used by large shafts, saves labor operation and improves mounting and demounting efficiency, driving force supplied by the clamp spring pincers is wide in range and the clamp spring pincers can be used for mounting and demounting of circlips with different sizes, and using range is relatively wide.
Description
Technical field
The utility model relates to the technical field of tools that flight-line maintenance and machinery manufacturing industry are used, particularly a kind of Circlip tongs.
Background technology
Circlip tongs is the common a kind of instrument of mechanical field, and along with the fast development of wind-powered electricity generation industry, it is also by being applied in the installation of wind-powered electricity generation industry axis with circlip more and more widely.
Structural design than baffle plate, bolt; Circlip for shaft makes the structural design of wind-powered electricity generation gear-box compact; Oeverall quality also reduces relatively; And because circlip for shaft is not wanted locking device, the feasible reliability of the wind-powered electricity generation gear-box of circlip for shaft structural design that adopts significantly improves.
Based on above advantage, wind-powered electricity generation gear box designs producer, manufacturer all extensively adopt circlip for shaft, still; Along with the installed capacity of separate unit wind-driven generator increases day by day; The power of gear-box also strengthens gradually, and correspondingly, the size of circlip for shaft also increases gradually; At present, the diameter range of circlip for shaft has far surpassed the 300mm of national heavy prescribed by standard.
The diameter of circlip is big more, and its installation difficulty is also big more, and particularly when the diameter of large-scale circlip for shaft surpassed 300mm, required coupling mechanism force was bigger, and has bigger danger when installing.
The scissor Circlip tongs of general use only relies on by means of manpower common circlip for shaft is installed in the prior art; And this type of Circlip tongs can not provide large-scale circlip that required coupling mechanism force is installed; And only relying on manpower also is the installment work that impossible accomplish circlip, needs configuration separately that the Circlip tongs of corresponding circlip is installed.
And; Also there is not the production of seriation, mass at present for the Circlip tongs that large-scale circlip is installed; The use client of back-up ring can only provide drawing and corresponding requirements customized production to manufacturer; This has not only prolonged construction period, has increased installation cost, and disposes relatively cost of idleness of corresponding Circlip tongs for the many large-diameters of type.
Therefore, how a kind of Circlip tongs is provided, the coupling mechanism force of this Circlip tongs is bigger and range of application is wider, thereby makes the installation of circlip more time saving and energy saving, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of the utility model is for providing a kind of Circlip tongs, and the constrictive force of this Circlip tongs is bigger, save manpower, and range of application is wider.
For solving the problems of the technologies described above; The utility model provides a kind of Circlip tongs, is used for the installation and removal of large-scale circlip for shaft, comprises caliper and the claw beam of being located at the said caliper left and right sides; The upper end of two said claw beams is all hinged with said caliper, and the bottom is equipped with binding clip; Said Circlip tongs also comprises the drive unit that drives the relative expansion of two said claw beams, also comprises the locking device of locking two said claw beam operating positions.
Preferably, said drive unit comprises two plunger piston fluid pressure cylinders, and the two ends of two said plunger piston fluid pressure cylinders connect the said claw beam of said caliper and side respectively.
Preferably; Also comprise gear drive; Said gear drive comprises bottom that vertically is arranged in said caliper and the two-sided tooth bar that is slidingly connected with said caliper; And two first pull bars, the tooth that an end of two said first pull bars is provided with through the end respectively with the side tooth engagement of said two-sided tooth bar, the other end respectively with about two said claw beams hinged.
Preferably, said claw beam is through the hinged said caliper of second pull bar.
Preferably, the connection length of said second pull bar equals the connection length of said first pull bar.
Preferably, said binding clip connects said claw beam through soket head cap screw.
Preferably, the leading section of said binding clip is provided with the anticreep frustum.
Preferably, the upper end of said caliper is provided with handle.
Preferably, said plunger piston fluid pressure cylinder is miniature plunger piston fluid pressure cylinder.
A kind of Circlip tongs that is used for the installation and removal of large-scale circlip for shaft that the utility model provides comprises caliper and the claw beam of being located at the said caliper left and right sides, and the upper end of two said claw beams is all hinged with said caliper, and the bottom is equipped with binding clip; Said Circlip tongs also comprises the drive unit that drives the relative expansion of two said claw beams, also comprises the locking device of locking two said claw beam operating positions.
When the Circlip tongs that uses the utility model to provide was installed circlip, operating personnel at first adjusted the position of two claw beams, made the binding clip of its end aim at two installing holes on the back-up ring; Then two binding clips are stretched into two respectively and insert in the hole, under the drive of drive unit, two claw beams launch gradually relatively; Open thereby drive circlip,, utilize the position locking of locking device two claw beams when the internal diameter that is expanded to back-up ring during greater than the diameter of installation shaft; Operating personnel utilize Circlip tongs circlip to be put into the mounting groove of installation shaft then; Remove the locking of Circlip tongs at last, binding clip is broken away from the patchhole of circlip, thereby accomplish the installation of circlip back-up ring.
Circlip tongs is similar to the unloading process and the above-mentioned installation process sequence of movement of circlip, does not do too much at this and gives unnecessary details.
The Circlip tongs that the utility model provided is provided with drive unit, and the mode through drive unit drives the action of two claw beams, and bigger power can be provided; Thereby can realize the installation and removal of large-scale circlip; Save manual operation, improve the efficient of installation and removal, and the driving force scope that this Circlip tongs provided is wider; Can be used in the installation and removal of different big or small back-up rings, the scope of application is wider.
A kind of preferred embodiment in; Also comprise gear drive; Said gear drive comprises bottom that vertically is arranged in said caliper and the two-sided tooth bar that is slidingly connected with said caliper; And two first pull bars, the tooth that an end of two said first pull bars is provided with through the end respectively with the side tooth engagement of said two-sided tooth bar, the other end respectively with about two said claw beams hinged.
In the gear drive two-sided tooth bar and the structure that is provided with first pull bar of engaging tooth can realize two claw beams stressed equilibrium, thereby avoid lateral tilt in the circlip installation or removal process, increase the reliability of Circlip tongs to back-up ring locking.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of the Circlip tongs that the utility model provided;
Fig. 2 is the side view of Circlip tongs shown in Figure 1;
Fig. 3 is the A-A cutaway view of Circlip tongs among Fig. 2;
Sketch map when Fig. 4 is near state for two binding clips of Circlip tongs shown in Figure 1;
Fig. 5 is the side view of Circlip tongs among Fig. 4;
Fig. 6 is the B-B cutaway view of Circlip tongs among Fig. 5;
Fig. 7 for Circlip tongs that the utility model provided in the circlip process is installed, Circlip tongs contacts front schematic view with the circlip installation;
Fig. 8 is the side view of Circlip tongs shown in Figure 7 and circlip;
Fig. 9 is the enlarged diagram at C place among Fig. 8.
Wherein Reference numeral among Fig. 1 to Fig. 9 and the corresponding relation between the component names are following:
The specific embodiment
The core of the utility model is for providing a kind of Circlip tongs, and the constrictive force of this Circlip tongs is bigger, save manpower, and range of application is wider.
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 1 to Fig. 6, Fig. 1 is the structural representation of a kind of specific embodiment of the Circlip tongs that the utility model provided; Fig. 2 is the side view of Circlip tongs shown in Figure 1; Fig. 3 is the A-A cutaway view of Circlip tongs among Fig. 2; Sketch map when Fig. 4 is near state for two binding clips of Circlip tongs shown in Figure 1; Fig. 5 is the side view of Circlip tongs among Fig. 4; Fig. 6 is the B-B cutaway view of Circlip tongs among Fig. 5.
A kind of Circlip tongs that is used for the installation and removal of large-scale circlip for shaft that the utility model provides, the upper end that comprises caliper 7 and claw beam 5, the two said claw beams 5 of being located at said caliper 7 left and right sides are all hinged with said caliper 7, and the bottom is equipped with binding clip 10; Said Circlip tongs also comprises the drive units that drive two said claw beams 5 relative expansion, also comprises the locking device of locking two said claw beams 5 operating positions.
When the Circlip tongs that uses the utility model to provide was installed circlip 40, operating personnel at first adjusted the position of two claw beams 5, two installing holes that the binding clip 10 of its end is aimed on the back-up rings; Then two binding clips 10 being stretched into two respectively inserts in the hole; Under the drive of drive unit, two claw beams 5 launch gradually relatively, open thereby drive circlip 40; When the internal diameter that is flared to circlip 40 during greater than the diameter of installation shaft; Utilize the position locking of locking device with two claw beams 5, operating personnel utilize Circlip tongs that circlip 40 is put into the mounting groove on the installation shaft then, remove the locking of Circlip tongs to circlip 40 at last; Binding clip 10 is broken away from the patchhole of circlip 40, thereby accomplish the installation of circlip.
Circlip tongs is similar to the unloading process and the above-mentioned installation process sequence of movement of circlip, does not do too much at this and gives unnecessary details.
The Circlip tongs that the utility model provided is provided with drive unit, drives 5 actions of two claw beams through drive unit, and bigger power can be provided; Thereby can realize the installation and removal of large-scale circlip; Save manual operation, improve the efficient of installation and removal, and the driving force scope that this Circlip tongs provided is wider; Can be used in the installation and removal of different big or small back-up rings, the scope of application is wider.
Need to prove; The just functional description from the realization of Circlip tongs work of above-mentioned drive unit and locking device, those skilled in the art should be appreciated that drive unit and locking device can be two parts; Also can be same parts; Be that drive unit can be realized two functions driving and lock, therefore, the title of drive unit and locking device can not limit the protection domain of this paper.
Particularly, drive unit can comprise that the two ends of two plunger piston fluid pressure cylinders, 6, two plunger piston fluid pressure cylinders 6 connect the said claw beam 5 of said caliper 7 and side respectively, can be hinged for motion bar and claw beam 5, and cylinder body and caliper 7 are hinged; Two plunger piston fluid pressure cylinders 6 can improve the synchronism of two claw beams, 5 motions like this by same pressure source control; Two plunger piston fluid pressure cylinders 6 also can be controlled respectively by two pressure sources, and the motion of this control mode two claw beams 5 is independent of each other.
When this Circlip tongs used, under the effect of plunger piston fluid pressure cylinder 6, two claw beams 5 can close up automatically; When Circlip tongs need only need the oil pressure on the plunger piston fluid pressure cylinder 6 is removed with binding clip 10 when inserting in the hole circlip 40 installation or removal completion, operating personnel manually opened two claw beams in 5 minutes and get final product.
The structure of plunger piston fluid pressure cylinder 6 is compact, and weight is low weight, thereby helps alleviating the overall weight of Circlip tongs, and the handled easily personnel control Circlip tongs, reduces labour intensity.
And; This Circlip tongs drives 5 motions of two claw beams through hydraulic oil; And can lock the position of claw beam 5 through the oil pressure of hydraulic oil, so not only can improve the stationarity of motion, and hydraulically powered plunger piston fluid pressure cylinder 6 can provide bigger driving force; Help to enlarge the scope of application of Circlip tongs, be fit to the installation and removal of more large-scale circlip 40.
In a kind of specific embodiment; To shown in Figure 6, Circlip tongs can also comprise gear drive like Fig. 1, and gear drive comprises bottom that vertically is arranged in caliper 7 and the two-sided tooth bar 9 that is slidingly connected with said caliper 7; The inside of caliper 7 can be provided with sliding tray; The top of two-sided tooth bar is the polished rod structure, and polished rod is located in the sliding tray, can slide up and down along sliding tray.
The tooth that the end that gear drive also comprises two first pull bars, 8, two first pull bars 8 is provided with through the end respectively with side tooth 9 engagements of said two-sided tooth bar, two claw beams 5 about the other end is articulated in respectively.
Two-sided tooth bar 9 and the structure that is provided with first pull bar 8 of engaging tooth can realize the equilibrium of two claw beams, 5 suffered expansion power in the gear drive; Thereby avoid the lateral tilt in circlip 40 installation or removal processes, increase the reliability of Circlip tongs circlip 40 lockings.
Further, two said claw beams 5 can pass through second pull bar, 3 hinged said calipers 7 respectively, and both can realize hinged through pivot pin; This mode can increase the flexibility of claw beam 5.
Further, the connection length of said second pull bar 3 equals the connection length of said first pull bar 8, and said first pull bar 8, said second pull bar 3 respectively and the distance between the tie point of said caliper 7 equal the distance between two pull bars and said claw beam 5 tie points; Promptly second pull bar 3, first pull bar 8 and the tie point of caliper 7 and claw beam 5 constitute the framework of parallelogram.
Can gradually change with the Circlip tongs that uses in prior art angle between two binding clips 10 in the process of opening and to compare; When the claw beam 5 in the utility model moves under the driving of plunger piston fluid pressure cylinder 6; Because of said claw beam 5 is a limit of parallelogram framework, so 5 translations of two claw beams are connected the also translation of binding clip 10 of its end; Angle between two binding clips 10 is constant, helps reducing the generation that binding clip in circlip 40 installation processes 10 and the patchhole of circlip 40 are crossed the hinge phenomenon.
Need to prove that said connection length is the beeline between the tie point.
Particularly, binding clip 10 can connect said claw beam 5 through soket head cap screw 11; According to the installation site of circlip 40, can regulate the angle of binding clip 10, avoid Circlip tongs and peripheral part ground to interfere effectively, so that operating personnel's practical operation, and this is relatively simple for structure, connects reliable.
Please refer to Fig. 7 to Fig. 9, Fig. 7 for Circlip tongs that the utility model provided in the circlip process is installed, Circlip tongs contacts front schematic view with the circlip installation; Fig. 8 is the side view of Circlip tongs shown in Figure 7 and circlip; Fig. 9 is the enlarged diagram at C place among Fig. 8.
The Circlip tongs that the utility model provided is in installing circlip 40 processes, and the installation site of Circlip tongs and circlip 40 can be with reference to figure 7 and Fig. 8; Usually, circlip 40 is a standard component, and its patchhole is provided with the conical surface.Further, come off in installation process in order to prevent circlip 40, the leading section of binding clip 10 is provided with anticreep frustum 101, and is as shown in Figure 9, not only increased the reliability of installing, and guaranteed operating personnel's personal safety.
Wherein, the conical surface of anticreep frustum 101 can match with the conical surface of circlip 40, further increases security and reliability in the installation process.
Further, for the ease of the convenience of operating personnel's operation, the upper end of caliper 7 can also be provided with handle 1, and handle 1 can connect caliper 7 through screw 4 or bolt.
Ground plunger piston fluid pressure cylinder 6 can be micro-column plug hydraulic cylinder among above-mentioned each embodiment; The structure of miniature plunger piston fluid pressure cylinder is compact, and weight is low weight, thereby helps alleviating the overall weight of Circlip tongs, and the handled easily personnel control Circlip tongs, reduces labour intensity.
It is pointed out that the drive unit in the Circlip tongs is not limited to miniature plunger piston fluid pressure cylinder, also can maybe can realize telescopic oil cylinder of bidirectional-movement etc., as long as can realize the technique effect of the utility model for the plunger case of gas-powered.Certainly, drive unit not only is confined to the description among this paper, can also be other modes such as gear mechanism.
Drive unit among above-mentioned each embodiment can also be motor-geared system, and motor-geared system can lead to the gear self-locking or the purpose of miscellaneous part realization lockings such as pin is set.
Need to prove; The noun of locality such as left and right and upper and lower used herein is reference with the position between each parts among Fig. 1 to Fig. 9 all; Be succinct, convenience for the description technique scheme; It will be understood by those skilled in the art that the noun of locality used herein should not limit the protection domain of this paper.
More than a kind of Circlip tongs that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. Circlip tongs; Be used for the installation and removal of large-scale circlip for shaft, it is characterized in that, comprise caliper (7) and be located at the claw beam (5) of said caliper (7) left and right sides; The upper end of two said claw beams (5) is all hinged with said caliper (7), and the bottom is equipped with binding clip (10); Said Circlip tongs also comprises the drive unit that drives the relative expansion of two said claw beams (5), also comprises the locking device of locking two said claw beam (5) operating positions.
2. Circlip tongs according to claim 1 is characterized in that, said drive unit comprises two plunger piston fluid pressure cylinders (6), and the two ends of two said plunger piston fluid pressure cylinders (6) connect the said claw beam (5) of said caliper (7) and side respectively.
3. Circlip tongs according to claim 2; It is characterized in that; Also comprise gear drive, said gear drive comprises bottom that vertically is arranged in said caliper (7) and the two-sided tooth bar (9) that is slidingly connected with said caliper, and two first pull bars (8); The tooth that one end of two said first pull bars (8) is provided with through the end respectively with the side tooth engagement of said two-sided tooth bar (9), the other end respectively with about two said claw beams (5) hinged.
4. Circlip tongs according to claim 3 is characterized in that, said claw beam (5) is through the hinged said caliper of second pull bar (3) (7).
5. Circlip tongs according to claim 4; It is characterized in that; The connection length of said second pull bar (3) equals the connection length of said first pull bar (8), and said first pull bar (8), said second pull bar (3) respectively and the distance between the tie point of said caliper (7) equal the distance between two pull bars and said claw beam (5) tie point.
6. Circlip tongs according to claim 1 is characterized in that, said binding clip (10) connects said claw beam (5) through soket head cap screw (11).
7. Circlip tongs according to claim 6 is characterized in that, the leading section of said binding clip (10) is provided with anticreep frustum (101).
8. Circlip tongs according to claim 1 is characterized in that, the upper end of said caliper (7) is provided with handle (1).
9. according to each described Circlip tongs of claim 2 to 5, it is characterized in that said plunger piston fluid pressure cylinder (6) is miniature plunger piston fluid pressure cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203369255U CN202292665U (en) | 2011-09-08 | 2011-09-08 | Clamp spring pincers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203369255U CN202292665U (en) | 2011-09-08 | 2011-09-08 | Clamp spring pincers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202292665U true CN202292665U (en) | 2012-07-04 |
Family
ID=46361639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203369255U Expired - Fee Related CN202292665U (en) | 2011-09-08 | 2011-09-08 | Clamp spring pincers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202292665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934798A (en) * | 2014-04-15 | 2014-07-23 | 莱芜钢铁集团有限公司 | Clamping device of circlip for shaft |
| CN109262484A (en) * | 2017-07-17 | 2019-01-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of clamp |
-
2011
- 2011-09-08 CN CN2011203369255U patent/CN202292665U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934798A (en) * | 2014-04-15 | 2014-07-23 | 莱芜钢铁集团有限公司 | Clamping device of circlip for shaft |
| CN103934798B (en) * | 2014-04-15 | 2016-08-17 | 莱芜钢铁集团有限公司 | The clamping device of circlip for shaft |
| CN109262484A (en) * | 2017-07-17 | 2019-01-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of clamp |
| CN109262484B (en) * | 2017-07-17 | 2021-10-26 | 中国科学院长春光学精密机械与物理研究所 | Clamp forceps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20130908 |