CN203186537U - Torque detection device of force-assisting bicycle - Google Patents
Torque detection device of force-assisting bicycle Download PDFInfo
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- CN203186537U CN203186537U CN 201320171623 CN201320171623U CN203186537U CN 203186537 U CN203186537 U CN 203186537U CN 201320171623 CN201320171623 CN 201320171623 CN 201320171623 U CN201320171623 U CN 201320171623U CN 203186537 U CN203186537 U CN 203186537U
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Abstract
The utility model provides a torque detection device of a force-assisting bicycle, and belongs to the technical field of machinery. The torque detection device of the force-assisting bicycle solves the problems that an existing torque detection device of a force-assisting bicycle is complex in system structure, difficult to assemble and low in measurement precision. The torque detection device of the force-assisting bicycle comprises an input shaft, an output shaft and an angular transducer, the two ends of the input shaft are connected with a crank, the output shaft is sleeved on the input shaft and coaxially arranged with the input shaft, and the angular transducer is arranged between the input shaft and the output shaft and can detect the torsional deformation angle of the input shaft; the input end of the output shaft is meshed with the input shaft through a spline; the output end of the output shaft is meshed with a chain wheel through a spline. The torque detection device of the force-assisting bicycle is simple and compact in structure, easy to assemble, capable of enabling parts to be easily machined, low in needed cost, small in occupied space, and high in measurement precision.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of torque detecting apparatus of morpet.
Background technology
Morpet refers to add electrical drive system side by side on by the manually driven bicycle, be the moment of torsion of trampling on the crank shaft that pedal links to each other by detection effect, and according to the variation of trampling moment of torsion that detects, the output of control electrical drive system, thereby the pedal force that auxiliary manpower carries out.
Existing device for morpet axle or general S. A. moment of torsion detection, as Chinese patent application (publication number: CN1217058A) the disclosed S. A. that torque-measuring apparatus is housed, comprise two magnetic field detection parts and two magnetic field generators, two magnetic field detection parts are arranged with respect to rotational symmetry, be installed on first supporting member of first A of fixing and axis, two magnetic field generators distribute with respect to rotational symmetry, be installed on second supporting member of second B that is fixed in axis, first A and second B axially stagger, second B adopts roller bearings, and rolling bearing inner ring is processed by convex shoulder on the axle, magnetic field generator and detector are separately fixed at axle and go up the A of certain distance apart, on the strut member that B is ordered, make magnetic field generator and detector distance in magnetic field can detected distance, simultaneously by increasing A, the length of B point supporting member enlarges torsional deflection, increases the precision of measuring.The complex structure of above-mentioned this detecting device, the difficulty of processing of axle is big, particularly rolling bearing inner ring will be processed at the shaft shoulder, and certain requirement need be arranged, the fixedly difficulty of strut member when axle higher speed when rotation to the rigidity of the fixing strut member of magnetic field generator and detector.
Chinese patent application (publication number: CN102401708A) disclosed a kind of non-contact torque sensor based on magnetostriction effect and for example, this device is by torsion shaft, excitation coil, the processing section takes place and forms in induction coil and signal, described excitation coil and induction coil are wrapped on the torsion shaft, excitation coil is connected with micro controller system by the signal excitation driving circuit, described induction coil is connected with micro controller system with D/A converting circuit by signal amplification circuit, when axle is not subjected to twisting force, micro controller system offers the stable alternating signal of excitation coil that is wrapped on the reverse part by the signal excitation driving circuit, according to electromagnetic induction principle, the induction coil that twines the reverse part is sensed a stable alternating signal, alternating signal is amplified the back by signal amplification circuit and by the D/A converting circuit processing digital signal is passed to micro controller system, micro controller system record initial signal value, when axle is subjected to twisting force, make described axle changed by the permeability of twisting force part according to the ferromagnetics principle, be wrapped in the signal after induction coil on the torsional part split axle receives variation, signal sends to micro controller system after being exaggerated equally and changing, micro controller system receives and notes the signal value after the variation, by moment of torsion and the corresponding relation of difference, the in real time value of calculated torque of the difference of front and back signal value with the processing section of incoming signal generation in advance.Though it is simple in structure that above-mentioned detecting device has been realized, the advantage that part is easy to process, very convenient when measuring the axle static torque, when but the rotation of axle also takes place when axle twists, it can not well press the bridge of the strain bridge on the swivel pumping signal input of input or excitation coil and the output of detected strain signal to realize reliably transmitting between rotating part and stationary part, usually all need the signal of induction coil is launched through circular loop antenna, receive induced signal and be converted into torque signal to controller through the software collection processing by being fixed on S. A. receiving device in addition again, though this also can realize the measurement to the S. A. moment of torsion, but can produce error because signal is subjected to extraneous interference like this, and whole device can become complicated.
Chinese patent application (publication number: CN1361737A) disclose a kind of morpet that has system of moment of torsion testing agency and for example, this morpet moment of torsion testing agency is by sprocket wheel, isolator, the bicycle axle drive shaft, cup spring is formed, wherein isolator is made up of ratchet structure, (be made of metal elongated ratchet wheel block, a kind of baffle plate shape part of the flat board of flat and elastic bending) end is rigidly fixed on the sprocket wheel, make another crooked perk end with respect to the rigid body of the above-mentioned sprocket wheel predetermined angle that partly tilts, and three ratchet wheel blocks are equal to the distance of centre of sprocket, formed by a disk with the hook tooth part of ratchet wheel block engagement, disc circumference is hook tooth, each hook tooth is made up of surface and a steep inclined surface that tilts gradually, the hook tooth part radially fixedly makes hook tooth rotate with the circumferential rotation of axle drive shaft by groove with axle drive shaft, axially, hook tooth can slide by relative drive shaft, cup spring one end links to each other with hook tooth, one end is fixed on the axle drive shaft, when axle drive shaft is subjected to moment of torsion from bent axle, axle drive shaft provides the moment of torsion of a forward as dynamical axis, sprocket wheel provides a reverse moment of torsion as load, axle drive shaft self takes place to begin to rotate with sprocket wheel after certain reversing, reversing of the relative sprocket wheel of axle drive shaft rotates the relative hook tooth of ratchet wheel block, ratchet wheel block changes circumferential rotation into axial movement in the inclined surface slip of hook tooth, drive cup spring generation certain deformation, draw the value that adds moment of torsion on the axle drive shaft indirectly by the position transduser of detection cup spring surface top offset amount or in mounted strain gauges on the cup spring (the change resistance value with stress changes) again.Above-mentioned detecting device has realized that the measurement with circumferential torsional deflection is converted into the measurement of longitudinal travel, and parts mainly concentrate on the isolator of a upper sprocket wheel, has saved space and weight greatly.But it still exists following defective: 1, system architecture complexity, especially ratchet wheel block need be processed into special shape, and the angle of inclination of each inclined surface is also wanted consistent and is kept at an angle with sprocket wheel need install in advance the time, and assembling is difficult.2, because the engagement between hook tooth and the ratchet wheel block is wipe contact, generation along with abrasion, when reversing of same angle takes place in axle drive shaft, the longitudinal travel value can reduce between hook tooth and the sprocket wheel, it is inconsistent that this can cause that thereby the change of cup spring strain makes sensor experience signal, survey precision is low, and this can have influence on the accuracy that assist motor provides power-assisted.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, proposed a kind of torque detecting apparatus of morpet, its technical matters to be solved is: the torque detecting apparatus system architecture complexity of existing morpet, assembling difficulty, survey precision are low.
The purpose of this utility model can realize by following technical proposal: a kind of torque detecting apparatus of morpet, morpet comprise crank and sprocket wheel; It is characterized in that, this torque detecting apparatus comprises input shaft that two ends are connected with crank, be set on the described input shaft and the output shaft of concentric setting and be arranged on input shaft and output shaft between and can detect the angular transducer of input shaft torsional deflection angle; Be meshed by spline between the input end of described output shaft and the input shaft; The mouth of described output shaft is meshed by spline with described sprocket wheel.
When this torque detecting apparatus is installed on the morpet, the at first foot-operated effect that is subjected to power, by crank moment of torsion is passed to input shaft, input shaft passes to output shaft by spline engagement with input torque, output shaft passes to sprocket wheel with input torque more then, sprocket wheel produces a reactive torque as load, counteraction simultaneously is on input shaft, input shaft adopts special spring steel to make, when being subjected to two distortion that twist during reverse torsional interaction each other, detect the differential seat angle of input shaft torsional deflection by angular transducer, and can draw the torque of correspondence by the relation of following moment of torsion and torsional deflection angle:
ψ---twist angle (rad/m);
The moment of torsion that the T---transmission shaft is subjected to (Nm);
The length of the L---section of twisting (m);
The modulus in shear of G---material (Pa) is certain value when material is determined;
I
p--the second polar moment of area (m of-material
4), for solid axle Ι p=π D
4/ 32, D is the diameter of the section of twisting axle.
When material and structure were determined, L, G, Ι p were definite value, and at this moment windup-degree and moment of torsion are proportional, therefore, can reflect the size variation of moment of torsion very easily according to the variation of the angle of measuring.Also be provided with on the morpet can be voluntarily according to the special chip of angle difference calculated torque, effect by special chip, angular transducer feeds back to the angle difference of detected input shaft torsional deflection on the special chip, special chip feeds back to the result on the electrical drive system by calculating again, the output of the information control torque that electrical drive system is then come according to feedback, thus play the effect of the pedal force that auxiliary manpower carries out.
In the torque detecting apparatus of above-mentioned morpet, described torque detecting apparatus also comprises casing; Described input shaft and output shaft all are positioned in the casing; The two ends of described input shaft pass casing and are connected with crank; The mouth of described output shaft passes casing and is connected with sprocket wheel.By the effect of casing, this torque detecting apparatus can be good at cooperating and is installed on the morpet, and is comparatively convenient.Simultaneously, in case of necessity, this torque detecting apparatus also can not have body structure, can directly process in other integrated systems, such as electrical drive system, has well reduced required installing space.
In the torque detecting apparatus of above-mentioned morpet, described angular transducer comprises stator, the first rotor and second rotor; Described stator is positioned in the casing; Described the first rotor is encapsulated in the stator and with described stator shaft orientation and fixes; Described the first rotor is rigidly attached on the input shaft; Described second rotor is rigidly attached on the output shaft.The first rotor and stator shaft orientation are fixed, circumferentially can rotate, have excitation coil and induction coil on the stator, during detection, input shaft is subjected to two distortion that twist during reverse torsional interaction each other, excitation coil is connected power supply and is generated an electromagnetic field, the voltage magnitude size of induction coil induction changes with the relative position that the first rotor and second rotor rotate, the electric signal of induction coil is handled through software collection and is changed digital signal output into, can obtain the differential seat angle that the first rotor rotates relative to second rotor.The angular transducer that the used angular transducer of this torque detecting apparatus is commonly used is such as can be for being applied to the angular transducer (model: GC03-SP3000, M319535 etc.) in the vehicle electronics servo steering system.
In the torque detecting apparatus of above-mentioned morpet, offer on the described input shaft for the annular shaft shoulder one that the location the first rotor is installed; Described the first rotor by laser welding on the described annular shaft shoulder one; Offer on the described output shaft for the location second rotor annular shaft shoulder two is installed; The described second rotor laser welding is on the described annular shaft shoulder two.The first rotor is by passing through laser welding together on the annular shaft shoulder one that axially is sleeved on input shaft and with it; Second rotor is by passing through laser welding together on the annular shaft shoulder two that axially is sleeved on input shaft and with it.
In the torque detecting apparatus of above-mentioned morpet, also offer annular groove on the described input shaft; Described annular groove is between the annular shaft shoulder one and the annular shaft shoulder two.By the design of annular groove, make input shaft be positioned at the diameter of axle at this place less than the diameter of axle at other positions, thereby the deflection when effectively having improved the input shaft torsional deflection has improved the measurement range of the differential seat angle that can detect.The degree of depth of annular groove can be decided according to particular cases such as the material of input shaft, the diameters of axle, guarantees that its input shaft diameter of axle that reduces the annular groove place in the scope that diameter of axle torque peak allows is to improve measurement range.
In the torque detecting apparatus of above-mentioned morpet, described output shaft also offers annular recessed shoulder near on the lateral wall of mouth; The recessed shoulder of described annular is provided with spline; Described sprocket wheel is arranged on the annular recessed shoulder and passes through spline engagement.Sprocket wheel is arranged on the annular recessed shoulder and is resisted against on the sidewall of annular recessed shoulder and locatees.
In the torque detecting apparatus of above-mentioned morpet, also being provided with on the described output shaft can be with the jam nut of described sprocket wheel and output shaft locking.
In the torque detecting apparatus of above-mentioned morpet, described input shaft and output shaft are positioned in the casing by bearing one and bearing two respectively.Input shaft and output shaft are positioned on the casing by the effect of bearing one and bearing two respectively, and bearing one and bearing two can be antifriction-bearing box or plain bearing.
In the torque detecting apparatus of above-mentioned morpet, described casing comprises left box body, right case and end cap; Offer threaded mounting hole on the described left box body; All offer corresponding through hole on described right case and the end cap; Described left box body, right case and end cap are connected successively and fix by bolt of rear end plate; Described bearing one is positioned at left box body; Described bearing two is positioned at right case.Have respectively for the mounting structure that bearing one and bearing two are installed in the left box body and in the right case.Also has the location structure that can prevent the motion of stator circumferential and axial in left box body and the right case respectively.End cap is in order to the capping right case, and bolt of rear end plate passes right case successively and is connected with the threaded mounting hole of left box body with through hole on the end cap.The top of left box body and right case is circular arc to save installing space, and the bottom is square, and is provided with some mounting holes in the bottom surface, is easily installed on the morpet.
In the torque detecting apparatus of above-mentioned morpet, also be provided with locating dowel pin on the edge part of described left box body threaded mounting hole; Described locating dowel pin can penetrate in the through hole of right case and be resisted against on the sidewall of through hole.By the design of locating dowel pin, left box body and right case aligns when having made things convenient for installation.
In the torque detecting apparatus of above-mentioned morpet, described output shaft is near also offering the recessed shoulder in location on the madial wall of mouth; Be installed with bearing three in the recessed shoulder in described location; Described input shaft is located on the bearing three.
In the torque detecting apparatus of above-mentioned morpet, also pass through oil sealing sealing between the mouth of described output shaft and the input shaft.
Compared with prior art, the torque detecting apparatus of this morpet has the following advantages:
1, simple in structure, compact, assembling easily, parts are easy to processing, and required cost is lower, and occupation space is little.
2, can be installed on the vehicle frame of morpet by body structure, also can not have casing, directly processing is arranged in other the integrated system of morpet, can be determined on a case-by-case basis, and alerting ability is better.
3, input shaft can directly bear control torque, need not to increase other torsional deflection limiting parts, directly measures the torsional deflection angle of input shaft and the result is fed back to electric control system by angular transducer, and the precision of measurement is higher.
Description of drawings
Fig. 1 is the scheme drawing of the torque detecting apparatus of this morpet when having casing.
Fig. 2 is the view of the torque detecting apparatus left box body of this morpet.
Fig. 3 is the view of the torque detecting apparatus right case of this morpet.
Fig. 4 is the scheme drawing of the torque detecting apparatus of this morpet when not having casing.
Among the figure, 1, input shaft; 11, annular groove; 2, output shaft; 21, annular recessed shoulder; 3, angular transducer; 31, stator; 32, the first rotor; 33, second rotor; 4, sprocket wheel; 5, jam nut; 61, bearing one; 62, bearing two; 63, bearing three; 7, left box body; 71, locating dowel pin; 8, right case; 9, end cap; 10, bolt of rear end plate.
The specific embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment one
As Figure 1-3, morpet comprises crank and sprocket wheel 4.This torque detecting apparatus comprises input shaft 1 that casing, two ends are connected with crank, be set on the input shaft 1 and the output shaft 2 of concentric setting and be arranged on input shaft 1 and output shaft 2 between and can detect the angular transducer 3 of input shaft 1 torsional deflection angle.Input shaft 1 is positioned in the casing by bearing 1 and bearing 2 62 respectively with output shaft 2.The two ends of input shaft 1 pass casing and are connected with crank.Be meshed by spline between the input end of output shaft 2 and the input shaft 1, the mouth of output shaft 2 passes casing and is connected with sprocket wheel 4.Output shaft 2 also offers annular recessed shoulder 21 near on the lateral wall of mouth; The recessed shoulder 21 of annular is provided with spline; Sprocket wheel 4 is arranged on the annular recessed shoulder 21 and passes through spline engagement.Also being provided with on the output shaft 2 can be with the jam nut 5 of sprocket wheel 4 with output shaft 2 lockings.Output shaft 2 is located and is installed with bearing 3 63 in the recessed shoulder near also offering the recessed shoulder in location on the madial wall of mouth, and input shaft 1 is located on the bearing 3 63.Also pass through oil sealing sealing between the mouth of output shaft 2 and the input shaft 1.
More particularly, angular transducer 3 comprises stator 31, the first rotor 32 and second rotor 33.Stator 31 is positioned in the casing, the first rotor 32 be encapsulated in the stator 31 and with stator 31 axial restraints.Have excitation coil and induction coil on the stator 31.Offer on the input shaft 1 for the annular shaft shoulder one that location the first rotor 32 is installed; The first rotor 32 by laser welding on the annular shaft shoulder one.Offer on the output shaft 2 for location second rotor, the 33 annular shaft shoulder two, the second rotors 33 laser welding being installed on the annular shaft shoulder two.Also offer annular groove 11 on the input shaft 1, annular groove 11 is between the annular shaft shoulder one and the annular shaft shoulder two.
Casing comprises left box body 7, right case 8 and end cap 9.Offer threaded mounting hole on the left box body 7; All offer corresponding through hole on right case 8 and the end cap 9, bolt of rear end plate 10 passes right case 8 successively and is connected with the threaded mounting hole of left box body 7 with through hole on the end cap 9.Left box body 7 is circular arc to save installing space with the top of right case 8, and the bottom is square, and is provided with some mounting holes in the bottom surface, is easily installed on the morpet.Also be provided with locating dowel pin 71 on the edge part of left box body 7 threaded mounting holes, locating dowel pin 71 can penetrate in the through hole of right case 8 and be resisted against on the sidewall of through hole.
When this torque detecting apparatus is installed on the morpet, the at first foot-operated effect that is subjected to power, by crank moment of torsion is passed to input shaft 1, input shaft 1 passes to output shaft 2 by spline engagement with input torque, output shaft 2 passes to input torque sprocket wheel 4 more then, sprocket wheel 4 produces a reactive torque as load, counteraction simultaneously is on input shaft 1, input shaft 1 adopts special spring steel to make, when being subjected to two distortion that twist during reverse torsional interaction each other, excitation coil in the stator 31 is connected power supply and is generated an electromagnetic field, the voltage magnitude size of induction coil induction changes with the relative position that the first rotor 32 and second rotor 33 rotate, the electric signal of induction coil is handled through software collection and is changed digital signal output into, can obtain the differential seat angle that the first rotor 32 rotates relative to second rotor 33.Angular transducer 3 feeds back to the angle difference of detected torsional deflection on the special chip that is arranged on the morpet, and special chip is voluntarily according to formula
Calculated torque.In the formula: ψ---twist angle (rad/m); The moment of torsion that the T---transmission shaft is subjected to (Nm); The length of the L---section of twisting (m); The modulus in shear of G---material (Pa) is certain value when material is determined; I
p--the second polar moment of area (m of-material
4), for solid axle Ι p=π D
4/ 32, D is the diameter of the section of twisting axle.Special chip feeds back to result of calculation on the electrical drive system again, the output of the information control torque that electrical drive system is then come according to feedback, thus play the effect of the pedal force that auxiliary manpower carries out.
The input shaft 1 of the torque detecting apparatus of this morpet can directly bear control torque, need not to increase other torsional deflection limiting parts, directly measure the torsional deflection angle of input shaft 1 and the result is fed back to electric control system by angular transducer 3, the precision of measuring is higher, simple in structure, compact, assembling easily, parts are easy to processing, required cost is lower, and occupation space is little.
Embodiment two
As shown in Figure 4, the structure of the torque detecting apparatus of present embodiment is basic identical with embodiment one with principle.Its different dwellings are: the torque detecting apparatus of present embodiment does not have body structure, can directly process to be arranged in other the integrated system of morpet, such as being arranged in the electrical drive system, can be determined on a case-by-case basis, and alerting ability is better.
Specific embodiment described in the literary composition only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper used morely input shaft 1, annular groove 11, output shaft 2, annular recessed shoulder 21, angular transducer 3, stator 31, the first rotor 32,, term such as second rotor 33, sprocket wheel 4, jam nut 5, bearing 1, bearing 2 62, bearing 3 63, left box body 7, locating dowel pin 71, right case 8, end cap 9, bolt of rear end plate 10, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. the torque detecting apparatus of a morpet, morpet comprises crank and sprocket wheel (4); It is characterized in that, this torque detecting apparatus comprise input shaft (1) that two ends are connected with crank, be set in the output shaft (2) that described input shaft (1) is gone up and concentric arranges and be arranged on input shaft (1) and output shaft (2) between and can detect the angular transducer (3) of input shaft (1) torsional deflection angle; Be meshed by spline between the input end of described output shaft (2) and the input shaft (1); The mouth of described output shaft (2) is meshed by spline with described sprocket wheel (4).
2. the torque detecting apparatus of morpet according to claim 1 is characterized in that, described torque detecting apparatus also comprises casing; Described input shaft (1) all is positioned in the casing with output shaft (2); The two ends of described input shaft (1) pass casing and are connected with crank; The mouth of described output shaft (2) passes casing and is connected with sprocket wheel (4).
3. the torque detecting apparatus of morpet according to claim 2 is characterized in that, described angular transducer (3) comprises stator (31), the first rotor (32) and second rotor (33); Described stator (31) is positioned in the casing; Described the first rotor (32) be encapsulated in the stator (31) and with described stator (31) axial restraint; Described the first rotor (32) is rigidly attached on the input shaft (1); Described second rotor (33) is rigidly attached on the output shaft (2).
4. the torque detecting apparatus of morpet according to claim 3 is characterized in that, offers on the described input shaft (1) for the annular shaft shoulder one that location the first rotor (32) is installed; Described the first rotor (32) by laser welding on the described annular shaft shoulder one; Offer on the described output shaft (2) for second rotor (33) the annular shaft shoulder two in location is installed; Described second rotor (33) laser welding is on the described annular shaft shoulder two.
5. the torque detecting apparatus of morpet according to claim 4 is characterized in that, also offers annular groove (11) on the described input shaft (1); Described annular groove (11) is between the annular shaft shoulder one and the annular shaft shoulder two.
6. according to the torque detecting apparatus of any described morpet among the claim 1-5, it is characterized in that described output shaft (2) also offers annular recessed shoulder (21) near on the lateral wall of mouth; The recessed shoulder of described annular (21) is provided with spline; Described sprocket wheel (4) is arranged on annular recessed shoulder (21) upward and passes through spline engagement.
7. the torque detecting apparatus of morpet according to claim 6 is characterized in that, also being provided with on the described output shaft (2) can be with the jam nut (5) of described sprocket wheel (4) with output shaft (2) locking.
8. according to the torque detecting apparatus of any described morpet of claim 2 or 3 or 4 or 5, it is characterized in that described input shaft (1) is positioned in the casing by bearing one (61) and bearing two (62) respectively with output shaft (2).
9. the torque detecting apparatus of morpet according to claim 8 is characterized in that, described casing comprises left box body (7), right case (8) and end cap (9); Described left box body offers threaded mounting hole on (7); All offer corresponding through hole on described right case (8) and the end cap (9); Described left box body (7), right case (8) and end cap (9) are connected successively and are fixing by bolt of rear end plate (10); Described bearing one (61) is positioned at left box body (7); Described bearing two (62) is positioned at right case (8).
10. the torque detecting apparatus of morpet according to claim 9 is characterized in that, also is provided with locating dowel pin (71) on the edge part of described left box body (7) threaded mounting hole; Described locating dowel pin (71) can penetrate in the through hole of right case (8) and be resisted against on the sidewall of through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320171623 CN203186537U (en) | 2013-04-08 | 2013-04-08 | Torque detection device of force-assisting bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320171623 CN203186537U (en) | 2013-04-08 | 2013-04-08 | Torque detection device of force-assisting bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203186537U true CN203186537U (en) | 2013-09-11 |
Family
ID=49103416
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320171623 Expired - Fee Related CN203186537U (en) | 2013-04-08 | 2013-04-08 | Torque detection device of force-assisting bicycle |
Country Status (1)
| Country | Link |
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| CN (1) | CN203186537U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522042A (en) * | 2013-10-28 | 2014-01-22 | 上海宝宜威电子有限公司 | Structure and method for installing sensor of automatic servo pressing fit machine |
| CN103661773A (en) * | 2013-12-26 | 2014-03-26 | 苏州德佳物联科技有限公司 | Central system based on wireless torque detection |
| CN106143775A (en) * | 2015-03-26 | 2016-11-23 | 鸿富锦精密工业（深圳）有限公司 | Electric bicycle and torque sensor thereof |
| CN106143774A (en) * | 2015-03-26 | 2016-11-23 | 鸿富锦精密工业（深圳）有限公司 | Electric bicycle and torque sensor thereof |
| CN107084699A (en) * | 2017-06-29 | 2017-08-22 | 玉环普天单向器有限公司 | A kind of isolator idle running angle testing stand |
| US9969461B2 (en) | 2013-12-26 | 2018-05-15 | Suzhou Tergar Iot Technology Co., Ltd | Center-mounted control system of bicycle |
| CN110296780A (en) * | 2019-07-26 | 2019-10-01 | 玉环普天单向器有限公司 | Isolator surmounts torque detecting apparatus |
-
2013
- 2013-04-08 CN CN 201320171623 patent/CN203186537U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522042A (en) * | 2013-10-28 | 2014-01-22 | 上海宝宜威电子有限公司 | Structure and method for installing sensor of automatic servo pressing fit machine |
| CN103522042B (en) * | 2013-10-28 | 2016-01-20 | 上海宝宜威机电有限公司 | The sensor fixing structure of automatic servo pressing machine and installation method |
| CN103661773A (en) * | 2013-12-26 | 2014-03-26 | 苏州德佳物联科技有限公司 | Central system based on wireless torque detection |
| CN103661773B (en) * | 2013-12-26 | 2016-04-06 | 苏州万佳电器有限公司 | Based on the mid-system of wireless moment inspecting |
| US9969461B2 (en) | 2013-12-26 | 2018-05-15 | Suzhou Tergar Iot Technology Co., Ltd | Center-mounted control system of bicycle |
| CN106143775A (en) * | 2015-03-26 | 2016-11-23 | 鸿富锦精密工业（深圳）有限公司 | Electric bicycle and torque sensor thereof |
| CN106143774A (en) * | 2015-03-26 | 2016-11-23 | 鸿富锦精密工业（深圳）有限公司 | Electric bicycle and torque sensor thereof |
| CN107084699A (en) * | 2017-06-29 | 2017-08-22 | 玉环普天单向器有限公司 | A kind of isolator idle running angle testing stand |
| CN107084699B (en) * | 2017-06-29 | 2024-02-06 | 玉环普天单向器有限公司 | Isolator idle angle test stand |
| CN110296780A (en) * | 2019-07-26 | 2019-10-01 | 玉环普天单向器有限公司 | Isolator surmounts torque detecting apparatus |
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