CN103527651B - A kind of torque limiter - Google Patents
A kind of torque limiter Download PDFInfo
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- CN103527651B CN103527651B CN201310533006.0A CN201310533006A CN103527651B CN 103527651 B CN103527651 B CN 103527651B CN 201310533006 A CN201310533006 A CN 201310533006A CN 103527651 B CN103527651 B CN 103527651B
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Abstract
The invention discloses a kind of torque limiter, comprise limiter overcoat, interior axle, interior annulus, outer toroid and adjustment and hold down assembly; The axial direction in outer toroid and interior annulus annularly gap is staggered sheathed successively, outer toroid and interior annulus are the opening annulus of circular section, the interior circular diameter of interior annulus equals the diameter of interior axle, the outside diameter of interior annulus is less than the cylinder bore diameter of limiter overcoat, the outside diameter of outer toroid equals the cylinder bore diameter of limiter overcoat, the interior circular diameter of outer toroid is greater than the diameter of interior axle, and the diameter sum of the circular section of interior annulus and outer toroid is greater than the radial width of annular space.Torque limiter of the present invention, held down assembly by adjustment and compress interior annulus and outer toroid, the inner circle hoop center of circle is made to shrink banding on interior axle, outer toroid radially expands stretching on the inner headed face of limiter overcoat, by organizing friction pair transmitting torque more, and under the prerequisite not increasing torque limiter radial dimension, improve the torque limit of torque limiter.
Description
Technical field
The present invention relates to machinery manufacturing technology field, particularly a kind of torque limiter.
Background technique
A lot of power-transmission systems in machinery industry all need overload protection, for the system of transmitting torque, carry out moment of torsion transmission and provide torque overload protection between master end and passive side by torque limiter.
Existing friction type torque limiter is by applying axial pressure to two friction plates; two friction plates are made to be pressed on two end faces of intermediate member respectively; rely on the stiction transmitting torque between three; and maximum static friction force determines the torque limit of torque limiter; when moment of torsion is excessive; the power meeting this moment of torsion beyond maximum static friction force, is then skidded between friction plate and intermediate member, realizes the overload protection of moment of torsion.Because torque limit depends on size and the distribution situation of stiction on the axial direction and radial direction of rotatable parts of maximum static friction force, and maximum static friction force depends on the pressure size acting on two friction plates, and existing friction type torque limiter is by means of only perpendicular to the stiction transmitting torque on two abrasive end faces of rotation axis, therefore, under the condition of radial dimension not increasing torque limiter, the torque limit of torque limiter can only be improved by the vertical pressure significantly increased on friction plate, to meet the transmission of high pulling torque, so not only higher aeroelastic requirements is proposed to the elastic compression part of torque limiter, and and be not easy elastic compression part to be adjusted to larger pressure.
In sum, how under the condition of radial dimension not increasing torque limiter, easily can improve the torque limit of torque limiter, meet the transmission of high pulling torque, be those skilled in the art's problem demanding prompt solutions.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of torque limiter, under the prerequisite of radial dimension not increasing torque limiter, easily improve the torque limit of torque limiter, to meet the transmission of high pulling torque.
For achieving the above object, the invention provides following technological scheme:
A kind of torque limiter, comprising:
Limiter overcoat, described limiter overcoat has the cylindrical hole of open at one end;
Interior axle, described internal axle sleeve in described limiter overcoat, and forms annular space between the inner headed face of the periphery of described interior axle and described limiter overcoat;
Along the axial direction staggered outer toroid that is sheathed in described annular gap and the interior annulus successively of described annular space, described outer toroid and described interior annulus are the opening annulus of circular section, the interior circular diameter of described interior annulus equals the diameter of described interior axle, the outside diameter of described interior annulus is less than the cylinder bore diameter of described limiter overcoat, the outside diameter of described outer toroid equals the cylinder bore diameter of described limiter overcoat, the interior circular diameter of described outer toroid is greater than the diameter of described interior axle, the diameter sum of the circular section of described interior annulus and described outer toroid is greater than the radial width of described annular space,
Adjustment holds down assembly, and described adjustment holds down assembly and is positioned at the open-mouth end of described limiter overcoat, and with described outer toroid or inner circle loop contacts, for applying and adjusting axial pressing force.
Preferably, in above-mentioned torque limiter, described adjustment holds down assembly and comprises:
Annular pressing plate, the radial width of described annular pressing plate is less than or equal to the radial width of described annular space, and described annular pressing plate is pressed on described outer toroid or interior annulus;
Adjusting nut, in the cylindrical hole that described adjusting nut is threadedly connected to the open-mouth end of described limiter overcoat or be threadedly connected on the periphery of described interior axle;
Elastic element, the two ends of described elastic element contact with described adjusting nut with described annular pressing plate respectively.
Preferably, in above-mentioned torque limiter, described elastic element is butterfly spring, wavy spring or helical spring.
Preferably, in above-mentioned torque limiter, the circular section diameter of described interior annulus and described outer toroid is 0.6 ~ 0.95 times of the radial width of described annular space.
Preferably, in above-mentioned torque limiter, in the plane at the axis place of described limiter overcoat, the angle between the line of centres of the circular section of described interior annulus and described outer toroid and the axis of described limiter overcoat is 20 ° ~ 70 °.
Preferably, in above-mentioned torque limiter, in the plane at the axis place of described limiter overcoat, the angle between the line of centres of the circular section of described interior annulus and described outer toroid and the axis of described limiter overcoat is 35 ° ~ 55 °.
Preferably, in above-mentioned torque limiter, described interior annulus or described outer toroid abut with the interior edge face of the cylindrical hole of described limiter overcoat.
Preferably, in above-mentioned torque limiter, one end contacted with the cylindrical hole interior edge face of described limiter overcoat of described interior axle is ring-shaped step, and described interior annulus or described outer toroid are connected on described ring-shaped step.
Preferably, in above-mentioned torque limiter, the closed end of described limiter overcoat is provided with can the attachment hole of transmitting torque or coupling shaft; The outer end of described interior axle is provided with can the driving hole of transmitting torque or transmission shaft.
Preferably, in above-mentioned torque limiter, the inside of described interior axle is Pierced structure.
Compared with prior art, the invention has the beneficial effects as follows:
Torque limiter provided by the invention, held down assembly by adjustment and compress annulus and outer toroid in opening, mutually extrude between interior annulus and outer toroid, the inner circle hoop center of circle is shunk, closely banding is on interior axle, simultaneously, outer toroid is radially expanded, closely stretching is on the inner headed face of limiter overcoat, an interior annulus, an outer toroid, one group of friction pair is formed between interior axle periphery and limiter overcoat inner headed face, the quantity of interior annulus and outer toroid is multiple, the axial direction in then annularly gap is arranged with and organizes friction pair more, thus by organizing multiple torsional interactions of friction pair generation on the multiple cross sections perpendicular to limiter overcoat axis more, two moments of torsion on the cross section at two friction plate places are only had in prior art, and, due to specific magnitude relationship between the circular section diameter of interior annulus and outer toroid and the radial width of annular space, make in the plane at interior axle axis place, angle is formed between the line of centres of two circular sections of interior annulus and outer toroid and interior axle axis, under identical axial pressing force effect, pass through force analysis, between interior annulus and outer toroid, pressure between interior annulus and interior axle and between outer toroid and limiter overcoat is all greater than axial pressing force, and then make often to organize maximum static friction force that friction pair produces and be all greater than the maximum static friction force that employing same axial impacting force of the prior art produces, the moment of torsion that comprehensive all friction pairs provide, finally increase substantially the Maximum Torque limit value of torque limiter, thus under the prerequisite not increasing torque limiter radial dimension, the demand that high pulling torque transmits can be met.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or scheme of the prior art, be briefly described to describing the required accompanying drawing used in embodiment or prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of torque limiter that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the plan view of Fig. 1;
The structural representation of annulus and outer toroid in a kind of torque limiter that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the second torque limiter that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the third torque limiter that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the 4th kind of torque limiter that Fig. 6 provides for the embodiment of the present invention;
The plan view of the 5th kind of torque limiter that Fig. 7 provides for the embodiment of the present invention.
In above-mentioned Fig. 1-Fig. 7, limiter overcoat 1, coupling shaft 11, attachment hole 12, interior axle 2, driving hole 21, Pierced structure 22, transmission shaft 23, ring-shaped step 24, interior annulus 3, outer toroid 4, adjustment hold down assembly 5, annular pressing plate 51, elastic element 52, adjusting nut 53, annular space 6.
Embodiment
The invention provides a kind of torque limiter, under the prerequisite of radial dimension not increasing torque limiter, easily improve the torque limit of torque limiter, meet the transmission of high pulling torque.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on embodiments of the invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, belong to the scope of protection of the invention.
Please refer to Fig. 1-Fig. 7, the structural representation of a kind of torque limiter that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is the plan view of Fig. 1; The structural representation of annulus and outer toroid in a kind of torque limiter that Fig. 3 provides for the embodiment of the present invention; The structural representation of the second torque limiter that Fig. 4 provides for the embodiment of the present invention; The structural representation of the third torque limiter that Fig. 5 provides for the embodiment of the present invention; The structural representation of the 4th kind of torque limiter that Fig. 6 provides for the embodiment of the present invention; The plan view of the 5th kind of torque limiter that Fig. 7 provides for the embodiment of the present invention.
Embodiments provide a kind of torque limiter, comprise limiter overcoat 1, interior axle 2, interior annulus 3, outer toroid 4 and adjustment and hold down assembly 5; Wherein, limiter overcoat 1 has the cylindrical hole of open at one end, this cylindrical hole is used for other part of accommodating installation, the external shape of limiter overcoat 1 can be rotary structure, also can be polygon structure, manufacture the external structure of different limiter overcoats 1 according to actual service condition, be not specifically limited at this; Interior axle 2 is enclosed within limiter overcoat 1, is namely contained in cylindrical hole, the dead in line of interior axle 2 axis and limiter overcoat 1, and forms annular space 6 between the inner headed face of the periphery of interior axle 2 and limiter overcoat 1; Interior annulus 3 and outer toroid 4 are the opening annulus with circular section, and as shown in figures 1 and 3, interior annulus 3 and outer toroid 4 are generally the steel loop with certain toughness to shape, and certainly, other material with toughness is applicable equally, such as rubber ring etc.; Interior annulus 3 and outer toroid 4 are contained in annular space 6, and annularly the axial direction in gap 6 is staggered sheathed successively to open-mouth end by the closed end of limiter overcoat 1; The interior circular diameter of interior annulus 3 equals the diameter of interior axle 2, and the outside diameter of interior annulus 3 is less than the cylinder bore diameter of limiter overcoat 1, thus the inner circle of interior annulus 3 is closely enclosed within the periphery of interior axle 2, and does not contact with the inner headed face of limiter overcoat 1; The outside diameter of outer toroid 4 equals the cylinder bore diameter of limiter overcoat 1, and the interior circular diameter of outer toroid 4 is greater than the diameter of interior axle 2, thus the cylindrical of outer toroid 4 is closely contacted with the inner headed face of limiter overcoat 1, and does not contact with the periphery of interior axle 2; Meanwhile, the diameter sum of the circular section of interior annulus 3 and outer toroid 4 is greater than the radial width of annular space 6; Adjustment holds down assembly 5 open-mouth ends being positioned at limiter overcoat 1, and contacts with outer toroid 4 or interior annulus 3, for applying and the axial pressing force of corrective action in outer toroid 4 or interior annulus 3.
The working principle of above-mentioned torque limiter: hold down assembly 5 to being arranged in annular space 6 annulus 3 and outer toroid 4 applies axial pressing force by regulating, due to interior annulus 3, outer toroid 4, between the cylinder bore diameter of interior axle 2 and limiter overcoat 1, there is above-mentioned magnitude relationship, make in the plane at the axis place of interior axle 2, angle is formed between the line of centres of two circular sections of interior annulus 3 and outer toroid 4 and interior axle 2 axis, then stressing conditions holds down assembly for outer toroid 4 and adjustment and 5 contacts and illustrate, adjustment holds down assembly and 5 is directly applied to outer toroid 4 axial pressing force, the outer circle diameter of this outer toroid 4 is to exerting pressure to the inner headed face of limiter overcoat 1, simultaneously, this outer toroid 4 is exerted pressure to interior annulus 3 along outer toroid 4 and the center line connecting direction of the circular section of interior annulus 3, in this, annulus 3 is radial again exerts pressure to the periphery of interior axle 2, simultaneously in this, annulus 3 is exerted pressure the outer toroid 4 contacted with it to the next one with favouring axis, by that analogy, until the outer toroid 4 compressed near limiter overcoat 1 closed end place or interior annulus 3, mutually extrude between interior annulus 3 and outer toroid 4, because direction of exerting pressure favours axis, interior annulus 3 is shunk to axial direction, be pressed on the periphery of interior axle 2, outer toroid 4 is radially expanded, stretching is on the inner headed face of limiter overcoat 1.Friction pair is formed between an interior annulus 3 and interior axle 2, friction pair is formed between an interior annulus 3 and an outer toroid 4, friction pair is formed between an outer toroid 4 and limiter overcoat 1, three pairs of friction pairs form one group of friction pair, often pair of friction pair can transmit certain frictional force, the moment of torsion of interior axle 2 just can be passed to limiter overcoat 1 by several one group of friction pair constituted jointly friction pair, or the moment of torsion of limiter overcoat 1 is passed to interior axle 2, in addition, the Contact of the interior edge face of interior axle 2 and the cylindrical hole interior edge face of limiter overcoat 1, also friction pair is formed, equally can transmitting torque.Owing to there is angle between the line of centres of the circular section of interior annulus 3 and outer toroid 4 and interior axle 2 axis, true dip direction axial pressing force being decomposed obtain and radial impacting force are greater than axial pressing force, and then make the maximum static friction force often organizing friction pair be greater than the simple maximum static friction force relying on axial pressing force to obtain, thus the Maximum Torque limit value adopting same axial impacting force to obtain all is greater than in prior art by the threshold limit value often organizing each moment of torsion that friction pair is formed, further, because the quantity of annulus 3 on torque limiter 1 provided by the invention and outer toroid 4 is multiple, therefore just organize friction pair more, the moment of torsion of the respective number that many groups friction pair is formed acts on the cross section of multiple vertical interior axle 2 axis respectively, more than two amount of torque on cross section, two friction plate places of the prior art, therefore, the torque limit that comprehensive all friction pairs are formed, the Maximum Torque limit value of the torque limiter finally obtained is much larger than the torque limit of existing friction type torque limiter, and be the comparison carried out under the prerequisite with identical radial dimension, torque limiter of the present invention can meet the transmission of more high pulling torque.When the moment of torsion transmitted exceedes the torque limit of torque limiter, two two pieces between friction pair will be skidded, and play the effect of torque limiting.
Exchange whole holding down assembly 5 to be optimized, in the present embodiment, adjustment holds down assembly and 5 comprises annular pressing plate 51, elastic element 52 and adjusting nut 53; Annular pressing plate 51 is ring structure, and the radial width of annular pressing plate 51 is less than or equal to the radial width of annular space 6, and annular pressing plate 51 can be made to be enclosed within annular space 6, and is pressed on outer toroid 4 or interior annulus 3; Elastic element 52 is between annular pressing plate 51 and adjusting nut 53, the two ends of elastic element 52 contact with adjusting nut 53 with annular pressing plate 51 respectively, rely on the impacting force of adjusting nut 53 to produce deformation, and then be pressed on annular pressing plate 51, finally pass to interior annulus 3 and outer toroid 4; Adjusting nut 53 is threadedly connected in the cylindrical hole of the open-mouth end of limiter overcoat 1, namely adjusting nut 53 has outside thread, the cylindrical hole internal surface at the open-mouth end place of limiter overcoat 1 is provided with internal thread, or, adjusting nut 53 is threadedly connected on the periphery of interior axle 2, namely adjusting nut 53 has internal thread, and the circumferential surface of close limiter overcoat 1 open-mouth end of interior axle 2 is provided with outside thread, and the exterior edge face of adjusting nut 53 is provided with instrument of being convenient to and rotates the instrument jack tightening adjusting nut 53.During work, according to the size of wanted transmitting torque, by tightening adjusting nut 53, realizing applying and the size adjustment of axial pressing force, and then realizing the adjustment to the Maximum Torque limit value of torque limiter.
Certainly, hold down assembly except 5 except adopting above-mentioned adjustment, adjustment holds down assembly and 5 can also only include elastic element 52 and adjusting nut 53, elastic element 52 directly contacts with interior annulus 3 or outer toroid 4, the exterior edge face of adjusting nut 53 is protruded outside the open-mouth end of limiter overcoat 1, and the sectional shape of exterior edge face is wave circle, operator directly can tighten by hand adjusting nut 53 and carry out pressure adjustment.As long as can realize the adjustment of the impacting force of internal annulus 3 and outer toroid 4, the adjustment of other structural type holds down assembly and 5 belongs to protection scope of the present invention equally.
Further, the elastic element 52 in the present embodiment is butterfly spring, wavy spring or helical spring, provides larger impacting force, realize the adjustment of torque limit by elastic strain.
The size of the internal annulus 3 of the present embodiment and outer toroid 4 is optimized, the circular section equal diameters of interior annulus 3 and outer toroid 4, and circular section diameter equals 0.6 ~ 0.95 times of the radial width of annular space 6; Certainly, as long as meet between the line of centres of the circular section of adjacent interior annulus 3 and outer toroid 4 and interior axle 2 axis and can form angle, then circular section diameter can between the radial width of the annular space 6 of 0.5 ~ 1 times (not comprising 0.5 times and 1 times), and only 0.6 ~ 0.95 times is the technological scheme of comparative optimization.In addition, the circular section diameter of interior annulus 3 and outer toroid 4 can be unequal.
When interior annulus 3 and outer toroid 4 meet above-mentioned size relationship, the present embodiment is optimized further, in the plane at axis (being also the axis of the interior axle 2) place of limiter overcoat 1, angle between the line of centres of the circular section of adjacent interior annulus 3 and outer toroid 4 and the axis of limiter overcoat 1 is 20 ° ~ 70 °, like this can better by axial pressing force decomposing greatly true dip direction and radial impacting force.
More preferably, in the plane at the axis place of limiter overcoat 1, the angle between the line of centres of the circular section of adjacent interior annulus 3 and outer toroid 4 and the axis of limiter overcoat 1 is 35 ° ~ 55 °, has obtained better impacting force amplification effect.Compared to prior art, adopt identical axis impacting force, axial pressing force of the present invention is broken down into larger true dip direction and radial impacting force, thus increases maximum static friction force, finally substantially increases the torque limit of torque limiter.
In the present embodiment, interior annulus 3 or outer toroid 4 abut with the interior edge face of the cylindrical hole of limiter overcoat 1, namely by the interior edge face of cylindrical hole to the open-mouth end of cylindrical hole, a kind of set-up mode is as shown in Figure 1: a first sheathed outer toroid 4, then a sheathed interior annulus 3, a sheathed outer toroid 4 and an interior annulus 3 alternately again, by that analogy, until outermost end outer toroid 4 and adjustment hold down assembly and 5 to contact; Another kind of set-up mode is: a first sheathed interior annulus 3, then a sheathed outer toroid 4, a more sheathed interior annulus 3 and an outer toroid 4 alternately, by that analogy, contacts until outermost end interior annulus 3 holds down assembly with adjustment.Be not difficult to find out, the quantity of interior annulus 3 and outer toroid 4 can be equal, also can differ one, and when interior annulus 3 contacts with the interior edge face of cylindrical hole, then in, the quantity of annulus 3 can equal the quantity of outer toroid 4, or more than the quantity of outer toroid 4 one; When outer toroid 4 contacts with the interior edge face of cylindrical hole, then the quantity of outer toroid 4 can equal the quantity of interior annulus 3, or more than the quantity of interior annulus 3 one.As long as be interlaced setting between interior annulus 3 and outer toroid 4, and meet the needs of the torque limit of torque limiter, the quantity of interior annulus 3 and outer toroid 4 is not specifically limited.
Interior annulus 3 or outer toroid 4 are except on the interior edge face that can be connected to the cylindrical hole of limiter overcoat 1, in the present embodiment, one end contacted with the cylindrical hole interior edge face of limiter overcoat of interior axle 2 is provided with ring-shaped step 24, then interior annulus 3 or outer toroid 4 are connected on the ring-shaped step 24 of interior axle 2, the function compressing outer toroid 4 and interior annulus 3 can be realized equally, the quantity of interior annulus 3 and outer toroid 4 and arrangement, as described in above-described embodiment, do not repeat them here.
In order to realize the transmission of moment of torsion, being provided with at the closed end of limiter overcoat 1 can the attachment hole 12 of transmitting torque or coupling shaft 11, and the shape of attachment hole 12 and coupling shaft 11 does not limit, and can be hexagonal hole, spline or tapped hole etc.; The outer end of interior axle 2 is provided with can the driving hole 21 of transmitting torque or transmission shaft 23, and the shape of driving hole 21 and transmission shaft 23 is not specifically limited equally, can be hexagonal hole, spline or tapped hole etc.
In the present embodiment, the inside of interior axle 2 is Pierced structure 22, and under the condition ensureing structural strength, alleviate weight and the material of interior axle 2, the form of Pierced structure 22 is not specifically limited at this.
As shown in Figure 2 and Figure 7, the external shape of limiter overcoat 1 can be turning surface structure, can be also polygon structure, is preferably hexagonal surfaces in the present embodiment.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a torque limiter, is characterized in that, comprising:
Limiter overcoat (1), described limiter overcoat (1) has the cylindrical hole of open at one end;
Interior axle (2), described interior axle (2) is placed in described limiter overcoat (1), and forms annular space (6) between the inner headed face of the periphery of described interior axle (2) and described limiter overcoat (1);
Along the axial direction staggered outer toroid (4) that is sheathed in described annular space (6) and the interior annulus (3) successively of described annular space (6), described outer toroid (4) and described interior annulus (3) are the opening annulus of circular section, the interior circular diameter of described interior annulus (3) equals the diameter of described interior axle (2), the outside diameter of described interior annulus (3) is less than the cylinder bore diameter of described limiter overcoat (1), the outside diameter of described outer toroid (4) equals the cylinder bore diameter of described limiter overcoat (1), the interior circular diameter of described outer toroid (4) is greater than the diameter of described interior axle (2), the diameter sum of the circular section of described interior annulus (3) and described outer toroid (4) is greater than the radial width of described annular space (6),
Adjustment holds down assembly (5), described adjustment hold down assembly (5) be positioned at the open-mouth end of described limiter overcoat (1), and to contact with described outer toroid (4) or interior annulus (3), for applying and adjusting axial pressing force.
2. torque limiter according to claim 1, is characterized in that, described adjustment hold down assembly (5) comprising:
Annular pressing plate (51), the radial width of described annular pressing plate (51) is less than or equal to the radial width of described annular space (6), and described annular pressing plate (51) is pressed on described outer toroid (4) or interior annulus (3);
Adjusting nut (53), in the cylindrical hole that described adjusting nut (53) is threadedly connected to the open-mouth end of described limiter overcoat (1) or be threadedly connected on the periphery of described interior axle (2);
Elastic element (52), the two ends of described elastic element (52) contact with described adjusting nut (53) with described annular pressing plate (51) respectively.
3. torque limiter according to claim 2, is characterized in that, described elastic element (52) is butterfly spring, wavy spring or helical spring.
4. torque limiter according to claim 1, is characterized in that, the circular section diameter of described interior annulus (3) and described outer toroid (4) is 0.6 ~ 0.95 times of the radial width of described annular space (6).
5. torque limiter according to claim 4, it is characterized in that, in the plane at the axis place of described limiter overcoat (1), the angle between the line of centres of the circular section of described interior annulus (3) and described outer toroid (4) and the axis of described limiter overcoat (1) is 20 ° ~ 70 °.
6. torque limiter according to claim 5, it is characterized in that, in the plane at the axis place of described limiter overcoat (1), the angle between the line of centres of the circular section of described interior annulus (3) and described outer toroid (4) and the axis of described limiter overcoat (1) is 35 ° ~ 55 °.
7. the torque limiter according to any one of claim 1-6, is characterized in that, described interior annulus (3) or described outer toroid (4) abut with the interior edge face of the cylindrical hole of described limiter overcoat (1).
8. the torque limiter according to any one of claim 1-6, it is characterized in that, one end contacted with the cylindrical hole interior edge face of described limiter overcoat (1) of described interior axle (2) is ring-shaped step (24), and described interior annulus (3) or described outer toroid (4) are connected on described ring-shaped step (24).
9. torque limiter according to claim 1, is characterized in that, the closed end of described limiter overcoat (1) is provided with can the attachment hole (12) of transmitting torque or coupling shaft (11); The outer end of described interior axle (2) is provided with can the driving hole (21) of transmitting torque or transmission shaft (23).
10. torque limiter according to claim 1, is characterized in that, the inside of described interior axle (2) is Pierced structure (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533006.0A CN103527651B (en) | 2013-10-31 | 2013-10-31 | A kind of torque limiter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533006.0A CN103527651B (en) | 2013-10-31 | 2013-10-31 | A kind of torque limiter |
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| CN103527651A CN103527651A (en) | 2014-01-22 |
| CN103527651B true CN103527651B (en) | 2015-11-11 |
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| CN201310533006.0A Active CN103527651B (en) | 2013-10-31 | 2013-10-31 | A kind of torque limiter |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015162658A1 (en) * | 2014-04-21 | 2015-10-29 | オリジン電気株式会社 | Torque limiter |
| WO2018099982A1 (en) | 2016-11-30 | 2018-06-07 | Saint-Gobain Performance Plastics Rencol Limited | Adjustable torque assembly |
| CN110338880B (en) * | 2019-07-18 | 2020-06-12 | 中国人民解放军东部战区总医院 | A restore frock for articular cartilage damage |
| CN110403665B (en) * | 2019-08-12 | 2020-11-10 | 无锡市太湖医院 | Operation tool for cartilage injury |
| CN115199663B (en) * | 2021-04-12 | 2024-02-06 | 上海汽车集团股份有限公司 | Torque limiter and automobile |
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| CN101636595A (en) * | 2006-10-23 | 2010-01-27 | 泽洛-马克斯公司 | A kind of torque transmitter |
| CN101639100A (en) * | 2008-07-31 | 2010-02-03 | Ntn株式会社 | Torque limiter |
| CN203176223U (en) * | 2013-01-23 | 2013-09-04 | 常州南车铁马科技实业有限公司 | Torque-adjustable frication-type safety clutch |
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|---|---|---|---|---|
| CN2804476Y (en) * | 2005-05-30 | 2006-08-09 | 山东新华医疗器械股份有限公司 | Low percussion safety joint slack |
| CN101636595A (en) * | 2006-10-23 | 2010-01-27 | 泽洛-马克斯公司 | A kind of torque transmitter |
| CN101639100A (en) * | 2008-07-31 | 2010-02-03 | Ntn株式会社 | Torque limiter |
| CN203176223U (en) * | 2013-01-23 | 2013-09-04 | 常州南车铁马科技实业有限公司 | Torque-adjustable frication-type safety clutch |
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