CN101865275B - Torque sensor combined with reducer - Google Patents
Torque sensor combined with reducer Download PDFInfo
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- CN101865275B CN101865275B CN201010186706A CN201010186706A CN101865275B CN 101865275 B CN101865275 B CN 101865275B CN 201010186706 A CN201010186706 A CN 201010186706A CN 201010186706 A CN201010186706 A CN 201010186706A CN 101865275 B CN101865275 B CN 101865275B
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- reducer
- retarder
- torque sensor
- inner bag
- shell
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Abstract
The invention relates to a torque sensor combined with a reducer. The torque sensor comprises a reducer, an output shaft, an outer shell and an inner lining, wherein the sensor is arranged on the output shaft of the reducer; the outer shell is fixed with the outer shell of the reducer; a pair of rolling bearings is arranged between the outer shell and the inner lining; the inner lining is fixedly connected with the output shaft of the reducer; conductive copper rings are arranged at the places of the inner lining where the bearings are arranged, and an emitter is arranged in the middle; on the output shaft, a force measurement ring is arranged outside the inner lining; the outer shell is provided with a power converter; the inner lining is fixedly connected with the output shaft of the reducer through an adjusting bolt by a T-shaped tapered wedge; the force measurement ring consists of two semicircular annular structures and has a transverse H-shaped section; and two groups of torque measurement resistance strain gauges are adhered to the outer circular surface of the middle working section. The torque sensor is combined with the reducer and utilized to test the working torque directly without being influenced by other parameters so as to greatly improve the testing accuracy, not to affect the transmission efficiency and make full use of the effective energy source.
Description
Technical field
The present invention relates to a kind of torque sensor, especially a kind of torque sensor that is used for retarder.
Background technique
Retarder commonly used is not have torque sensor.Its working load (Operating torque) can only be estimated usually or on Transmitted chains, install a torque sensor additional.Estimated value tends to bigger error occur, can influence the bulk of whole Transmitted chains and influence transmission efficiency and install a torque sensor additional.This does not meet modern energy-conservation requirement yet.
Summary of the invention
The present invention will provide a kind of torque sensor of combining with retarder; This torque sensor and retarder are combined; Utilize the direct test job moment of torsion of torque sensor, can not receive the influence of other parameter, thereby improved testing precision greatly; Simultaneously do not influence transmission efficiency, the effective energy is fully utilized.
For realizing above-mentioned purpose, the technological scheme that the present invention adopts is: a kind of torque sensor of combining with retarder, comprise retarder and shaft, and shell, inner bag is characterized in: torque sensor is installed on the retarder shaft.Shell and retarder shell are fixed together, and a pair of rolling bearing is installed between shell and the inner bag, and inner bag is fixedly connected with the retarder shaft, the bearing place is installed on the inner bag conductive copper is installed respectively.The centre is equipped with a transmitter, and on the shaft, inner bag then is equipped with a proving ring outward, and power supply changeover device is housed on the shell.
Inner bag is fixedly connected with the retarder shaft through the adjustment bolt with a T shape wedge.
Proving ring is made up of two semi-round ring shape structures, and its cross section is I-shaped, is pasted with two groups of surveys on the outer round surface of middle working sections and turns round strain gauge.
The invention has the beneficial effects as follows:
1. the retarder that has torque sensor is that retarder and torque sensor are combined, and utilizes the direct test job moment of torsion of torque sensor.Because this test mode is with the direct testing load of torque sensor, rather than carries out conversion testing or estimation through other parameters, therefore can receive the influence of other parameters, thereby improve testing precision greatly.
2. combine with retarder, make that the matching performance of retarder and sensor is even more ideal.
3. combine with retarder, make installation space greatly reduce.
4. reduced in the conventional method complementary error that retarder and sensor are caused through other connecting link such as coupling etc.
5. on inner bag, settled a transmitter.Through it the sensor test signal is carried out wireless transmission, avoided the transformed error in the wire transmission.Improved testing precision.
6. utilize T shape wedge to fix through the T-slot on the inner bag and adjustment bolt and reducer shaft, this method is more reliable more and fastening than the radially fixation method of routine, also has auto-lock function preferably simultaneously.
7. utilize electric-conducting stem, bearing, conductive copper to introduce the power supply of outside promptly reliable simply again.
8. loop sensor can be made in standardization.
9. the demarcation of sensor can be adopted the mode that direct loading is demarcated, and need not other conversion.
10. the staking-out work of sensor can standardization.
Description of drawings
Fig. 1 is the retarder schematic representation of band torque sensor;
Fig. 2 is a structural drawing of the present invention;
Fig. 3 is the main sectional view of inner bag;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the plan view of wedge;
Fig. 6 is the plan view of Fig. 5;
Fig. 7 is the left view of Fig. 5;
Fig. 8 is the wedge fundamental diagram;
Fig. 9 is the transmitter plan view;
Figure 10 is the plan view of Fig. 9;
Figure 11 is the main sectional view of shell;
Figure 12 is the right elevation of Figure 11;
Figure 13 is the plan view of proving ring;
Figure 14 is the left view of Figure 13;
Figure 15 is the worm's eye view of Figure 13;
Figure 16 is conductive copper structural plan figure;
Figure 17 is the plan view of outer housing cover;
Figure 18 is the left view of Figure 17.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
As shown in Figure 1; The torque sensor of combining with retarder of the present invention is combined retarder 100 and torque sensor 101, does not change the original structure of retarder; Be length increase, be used to install a torque sensor 101 output shaft of retarder.Utilize torque sensor 101 direct test job moments of torsion.Because this test mode is with the direct testing load of torque sensor; Therefore can not receive the influence of other parameter, thereby improve testing precision greatly, and owing to sensor is directly installed on the shaft of retarder; Do not influence transmission efficiency, the effective energy is fully utilized.
As shown in Figure 2; With the torque sensor that retarder is combined, on the shaft 7 of retarder, a special torque sensor 101 is installed; Retarder 100 torque sensor 101 when work rotates with retarder work shaft 7, simultaneously the Operating torque in the test motor rotating shaft.Its shell 4 then is fixed together with the shell 13 of retarder, does not rotate with retarder shaft 7.Between shell 4 and inner bag 2, there is a pair of rolling bearing 1 to make to relatively rotate between them and is independent of each other.The operate outside power supply that wiring duct box is used to connect sensor is installed on the shell 4.A pair of rolling bearing 4, pair of conductive copper ring 14 and a transmitter 3 on inner bag 2, have been settled.A T shape of inner bag 2 usefulness wedge is fixing through adjustment bolt and retarder shaft 7, because inner bag 2 is insulating material, so rolling bearing 1 forms insulation with retarder shaft 7.Proving ring 5 is installed on the shaft 7 of retarder.The test signal of sensor is sent to signal on the outside Receiver through transmitter 3.On shell 4, power supply changeover device is arranged, the conditioning circuit of working power and proving ring 5 is provided to transmitter 3 through forward and backward electric-conducting stem 9,11, bearing 1, conductive copper 14.Working power requires the model decision according to transmitter, generally about 10V.
Sensor construction principle of the present invention and function:
(1) rolling bearing 1---and between shell and retarder shaft 7, there is a pair of rolling bearing 1 to make can to relatively rotate between them and is independent of each other.Bearing 1 internal diameter is identical with inner bag 2 external diameters.D
1＝D
2。Bearing selection standard model.
(2) inner bag 2 (Fig. 3,4)---fixing inner bag 2 on the work shaft of retarder is used to install a pair of rolling bearing 1 and transmitter 3.Its material selection high-strength nylons etc. are insulating material similarly.With a pair of rolling bearing 1 installation place a conductive copper 14 is being arranged respectively, be used for power supply is conducted to transmitter 3 and proving ring 5.Inner bag 2 adopts wedge (Fig. 5 to Fig. 7) fixing.On inner bag 2 endoporus, be processed with a wedge groove, as shown in Figure 8, wedge 15 is inserted in the wedge grooves, tighten or loosen adjustment bolt 16 and nut 17 that wedge is moved vertically and change the tightness that is connected of inner bag and reducer shaft.This is more more fastening than general bolt, and auto-lock function is good.The wedge material can be used general stainless steel material.
D4---inner bag internal diameter is with retarder working shaft diameter.D3---inner bag external diameter, D3=D4+ (10 ~ 20) mm.
D5---with transmitter installation place work circular diameter.D5＝H1+D3+(3~5)mm。H1 is a transmitter thickness.
L1---bearing and conductive copper director degree are installed.L1＝(B1+L11)+(2~3)mm。
L11 is the conductive copper width.
L2---the transmitter place is installed.L2＝L3+(0.5~1)mm。
L---inner bag length overall.L＝2L1+2B2+L2。B2＝(4~6)mm。
B3---cabling groove width.Be used to connect proving ring power supply and signaling line.B3＝(5~8)mm。
H1---wire groove is high.h1＝(1.5~2)mm。
B4---wedge well width.B4＝(8~12)mm。
C---wedge slot slope.C＝1：L。Promptly increase the 1mm height at L=0 ~ L=L place along the length L direction.
M---wedge adjustment tapped hole.Tighten or loosen the adjustment bolt that wedge is moved vertically and change the tightness that is connected of inner bag and reducer shaft.M＝(4~8)mm。
H1---wedge height of head.H1＝(D3-D4)/2+(3~5)mm。
H2---wedge tail height.H2＝(2~3)mm。
B5---wedge head width.B5＝B4+(4~8)mm。
B6---wedge body width.B6＝B4-(1.5~2)mm。
C1---wedge body gradient.C1＝C。
(3) transmitter 3 (Fig. 9,10)---the signal condition, working power etc. of proving ring are provided and will export
Signal is transmitted to outside Receiver.Can choose like series such as DH5905, also can customize as requested.Transmitter: B7=50 ~ 60mm, L3=60 ~ 85mm
(4) shell 4 (Figure 11,12)---be connected with retarder shell 13.The fixing outer ring of inboard bearing at the D9 place, side, D12 place plays the axial restraint effect of outboard bearing.The D11 place is connected with enclosing cover 6.Install two electric-conducting stems and to transmitter working power be provided at the M2 place.Its material selection high-strength nylons etc. are insulating material similarly.
The cylindrical of D6---outer cover body.D6＝D9+(10~20)mm。
The diameter of D7---shell and retarder shell joint.D7＝D11+D8。
The bolt hole of D8---shell and retarder shell joint.D8＝(D6-D9)/4。
The interior circle of D9---outer cover body.D9＝D2。
The interior circle of D10---shell and retarder shell joint.D10＝D12。Referring to the bearing requirement.
D11---shell and enclosing cover connecting bolt hole center circle.D11＝(D9+D6)/2。
D12---shell and bearing shaft are to bearing's diameter.Referring to the bearing requirement.
The width of L4---shell and retarder shell joint.L4＝(5~20)mm。
L5---shell length overall.L5＝L+L8+2M
L+(8~12)mm。
L8 is the proving ring length overall, M
LBe adjustment bolt, nut thickness, (8 ~ 12) mm is adjustment and installation surplus.
L6---shell and bearing shaft are to the width of bearing.L6＝L4。
Mounting distance between L7---two electric-conducting stems.L1/2+2B2+L2+L1/2＝L1+2B2+L2。
Two electric-conducting stems are installed at M2---M2 place.M2＝(3~5)mm。
(5). forward and backward electric-conducting stem 9,11---electric-conducting stem is used for the working power that power supply changeover device provides is transferred to transmitter.Electric-conducting stem can be selected standard gong bar for use, and gong bar M is identical with M2, and length is the thickness that shell wall thickness adds elastic washer thickness and lead connecting sheet, and suitably increases (0.5 ~ 1) mm.
(6) proving ring 5 (Figure 13,14,15)---be used for the surveying work moment of torsion.Proving ring is that two semi-round ring shape structures are formed.Its cross section is I-shaped.Up and down two end faces be D4 and D15 place for the installation cross section of working shaft.Intermediate portion is that D13 and D14 place are working sections, on the outer round surface D13 of working sections, has pasted two groups of surveys to turn round strain gauge, is used to measure moment of torsion.M is the connecting bolt of two semi-round ring shape snap rings, totally 4.Two semi-round ring shape snap rings are formed an annulus.D15,, D16 is the mounting hole of bolt M.L10 is a working sections length.L9 is an attachment face length.L8 is a length overall.The proving ring material can be selected conventional sensor elastomer material for use.
D4 is with retarder working shaft diameter.
D15＝D14+(15~20)mm。
D13＝D15(0.75~0.8)mm。
D14＝D13-(0.75~1.25)mm。
L8＝2L9+L10。
L9＝D4/(1/3~1/4)。
L10＝D4(0.8~1)。
Clamping bolt M=L9/ (2 ~ 2.5).Quantity is 4.
D16＝M(2~2.5)mm。
D17＝M+(0.5~0.75)mm。
(7) conductive copper 14 (Figure 16)---conductive copper and bearing are close together.Because the bearing of selecting for use is the metal bearing of using always, so can power supply be passed to conductive copper through bearing by electric-conducting stem.The conductive copper material can select for use general copper material to get final product.Thickness is between 3 ~ 5mm.D18＝D3。D19 is referring to bearing size and installation requirement.
(8) outer housing cover 6 (Figure 17,18)---be used to connect shell, play the parts such as inner bag, bearing, conductive copper, transmitter, proving ring of protecting sheathing the inside.Its material selection high-strength nylons etc. are insulating material similarly.
D20＝D4+(2~3)mm，D21＝D11，D22＝D6，L11＝L4。D23＝D8。
(9) the retarder shaft 7---on the length of former reducer shaft, increase the length of L0.L0＝L5+L11。
(10) fixing bolt 8---and outer housing cover 6 fixing bolts 8 are respectively applied for shell fixing bolt 12 and are connected shell 4 and outer housing cover 6 and shell 4 and retarder shell 13.Its size is supporting with corresponding bolt hole.
(11) power supply changeover device---to transmitter 3 and proving ring 5 working power is provided, working power requires the model decision according to transmitter, generally about 10V.With bolt or screw on shell 4.The mounting point is departed from the back electric-conducting stem 5 ~ 10mm of 11 places and is got final product.
Claims (2)
1. a torque sensor of combining with retarder comprises retarder and shaft (7), shell; Inner bag is characterized in that: said torque sensor (101) is installed on the retarder shaft (7), and shell (4) is fixed together with retarder shell (13); Between shell (4) and the inner bag (2) a pair of rolling bearing (1) is installed, inner bag (2) is fixedly connected with retarder shaft (7), and inner bag (2) is gone up installation bearing place conductive copper (14) is installed respectively; A transmitter (3) is installed in the middle of the inner bag; On the shaft (7), inner bag (2) is outer then to be equipped with a proving ring (5), and shell is equipped with power supply changeover device on (4).
2. the torque sensor of combining with retarder according to claim 1; It is characterized in that: on described inner bag (2) endoporus, be processed with a wedge groove; Wedge (15) inserts in the wedge groove, tightens or loosens adjustment bolt (16) and nut (17) that wedge (15) is moved vertically and change the tightness that is connected of inner bag and reducer shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010186706A CN101865275B (en) | 2010-05-28 | 2010-05-28 | Torque sensor combined with reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010186706A CN101865275B (en) | 2010-05-28 | 2010-05-28 | Torque sensor combined with reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865275A CN101865275A (en) | 2010-10-20 |
| CN101865275B true CN101865275B (en) | 2012-10-24 |
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ID=42957115
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010186706A Expired - Fee Related CN101865275B (en) | 2010-05-28 | 2010-05-28 | Torque sensor combined with reducer |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359866A (en) * | 2011-07-19 | 2012-02-22 | 成都九鼎科技(集团)有限公司 | Nondestructive detection device after neck spinning of shock damper |
| US9293962B2 (en) | 2012-03-30 | 2016-03-22 | Korea Institute Of Machinery & Materials | Hollow driving module |
| CN102901594A (en) * | 2012-09-29 | 2013-01-30 | 中国航天科技集团公司第五研究院第五一〇研究所 | Device for testing friction moment of pairing rolling bearing |
| 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 |
| CN104806733B (en) * | 2015-03-20 | 2017-07-28 | 同济大学 | A kind of Torque test structures and methods based on shaft strength |
| CN105424244B (en) * | 2015-11-19 | 2018-10-16 | 青岛理工大学 | A kind of contactless self-generating wireless torque sensor |
| CN107328576A (en) * | 2017-08-22 | 2017-11-07 | 中国第汽车股份有限公司 | Automobile drive axle driven wheel of differential tooth root ambulatory stress test equipment and manufacture method |
| JP6910991B2 (en) | 2018-07-02 | 2021-07-28 | 日本電産コパル電子株式会社 | Torque sensor support device |
| CN111288718B (en) * | 2020-02-21 | 2022-04-29 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
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| CN1167943C (en) * | 2002-06-03 | 2004-09-22 | 吉林大学 | Load-fixed disk-type tester of holographic material |
| CN1665651A (en) * | 2002-07-03 | 2005-09-07 | 日本精工株式会社 | Motor power steering system |
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| CN101706293A (en) * | 2009-10-30 | 2010-05-12 | 重庆长安汽车股份有限公司 | Level adjusting device of bearing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3939702A (en) * | 1973-05-31 | 1976-02-24 | Borg-Warner Corporation | Engine torque sensor device |
| JP4849880B2 (en) * | 2005-12-07 | 2012-01-11 | 株式会社ハーモニック・ドライブ・システムズ | Method for assembling detection mechanism of planetary gear device |
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2010
- 2010-05-28 CN CN201010186706A patent/CN101865275B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167943C (en) * | 2002-06-03 | 2004-09-22 | 吉林大学 | Load-fixed disk-type tester of holographic material |
| CN1665651A (en) * | 2002-07-03 | 2005-09-07 | 日本精工株式会社 | Motor power steering system |
| CN101393059A (en) * | 2008-10-30 | 2009-03-25 | 上海应用技术学院 | Torquemoment detection device for angle regulator for seat of vehicle |
| CN101706293A (en) * | 2009-10-30 | 2010-05-12 | 重庆长安汽车股份有限公司 | Level adjusting device of bearing equipment |
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| CN101865275A (en) | 2010-10-20 |
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