CN102788653A - Torque measuring device - Google Patents
Torque measuring device Download PDFInfo
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- CN102788653A CN102788653A CN2012103060857A CN201210306085A CN102788653A CN 102788653 A CN102788653 A CN 102788653A CN 2012103060857 A CN2012103060857 A CN 2012103060857A CN 201210306085 A CN201210306085 A CN 201210306085A CN 102788653 A CN102788653 A CN 102788653A
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- deep groove
- groove ball
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Abstract
The invention relates to a torque measuring device which comprises a support, a flange seat, a deep groove ball bearing, a thrust deep groove ball bearing, a first elastic retaining ring, a second elastic retaining ring, limiting screws, guide sleeves, a first arm of force, a force measuring element, knuckle joints, a connecting rod and a second arm of force. The torque measuring device can be used for accurately measuring shaft power and torque and outputting signals and is compact in structure, convenient and quick to demount and mount, excellent in universality and especially suitable for measuring torque and shaft power on a sealed test bed.
Description
Technical field: torque-measuring apparatus structure of the present invention.
Background technology: torque-measuring apparatus is applied to examine in the measurement mechanism of three grades of hydrodynamic mechanical seals of main pump, is one of important device that detects in real time in three grades of hydrodynamic mechanically-sealing apparatus of nuclear main pump moment of torsion.Three grades of hydrodynamics of nuclear main pump machinery is close to be the important component part of core the most in the nuclear main pump, and can direct relation nuclear main pump safety in nuclear power station, reliability service.If sealing is leaked, will directly cause the reactor shutdown, bring enormous economic loss to nuclear power station, also can cause environmental radiation to pollute when serious.
Summary of the invention: the purpose of this invention is to provide the torque-measuring apparatus with respect to slewing such as vertical test units such as mechanical seal, water pump model, with the shaft power parameter of equipment under tests such as test sealing or water pump hydraulic model.The test unit that is particularly useful for frequent fast assembling-disassembling.Technical scheme of the present invention is: a kind of torque-measuring apparatus; Measurement mechanism is vertical; Form by bearing (1), flange seat (2), deep groove ball bearing (3), thrust deep groove ball bearing (4), first circlip (5), second circlip (6), stop screw (7), pilot sleeve (8), first arm of force (9), load-sensing unit (10), articulated joint (11), connecting rod (12) and second arm of force (13); Bearing (1) and flange seat (2) all have the step that radial and axial rolling bearing is installed; Deep groove ball bearing (4) is positioned between the boss of bearing (1), flange seat (2); Through first circlip (5) and second circlip (6) compensation bearing assemblage gap; Thrust deep groove ball bearing (3) is positioned at deep groove ball bearing (4) outside, and two stop screws (7) symmetry that has pilot sleeve (8) is installed on the threaded hole of flange seat (2), and goes up the gathering sill restriction flange seat (2) of processing and the rotational travel between the motor support (1) by bearing (1); First arm of force (9) is installed on the bearing (1); Second arm of force (13) is installed on the flange seat (2), and first arm of force (9) upper cantilever end is equipped with dynamometry original paper (10), dynamometry original paper (11) is linked to each other with second arm of force (13) with articulated joint (11) through connecting rod (12).
Principle of work of the present invention is:
Torque-measuring apparatus, bearing (1) is rigidly connected with the test-bed fixed part, plays support drive component weight and the effect of bearing moment of torsion, and inside can hold motor shaft end and shaft coupling, and flange seat (2) can be rigidly connected with motor flange.Through radially deep groove ball bearing (4) and thrust deep groove ball bearing (3) assembly, realize that the centering of flange seat (2) and bearing (1) also forms circumferential degree of freedom, and can bear bigger axial load.Be processed with spacing gathering sill in bearing (1) outer rim; The stop screw (7) and the pilot sleeve (8) that are fixed on the flange seat (2) through screw thread are nested in the spacing gathering sill; Play the effect that prevents load-sensing unit (10) and connecting portion overload thereof, and can prevent owing to shake axial motion between the link that causes.Be separately installed with one first arm of force (9) and second arm of force (13) on bearing (1) and the flange seat (2); Two arm of force ends are connected with connecting rod (12) etc. by load-sensing unit (10); The moment of torsion that the motor rotation produces passes to load-sensing unit (10) and forms the tensile force signal that can be gathered through first arm of force (9) and second arm of force (13), can obtain the moment of torsion and the shaft power of rotor through analyzing and processing.
The measurement of the moment of torsion in the measurement mechanism of three grades of hydrodynamic mechanical seals of nuclear main pump that the present invention designs for the operating condition of simulating three grades of hydrodynamic mechanical seals of nuclear power station nuclear main pump fully.The measurement mechanism of three grades of hydrodynamic mechanical seals of vertical nuclear main pump and the vertical connection of motor; The present invention is little with respect to traditional torque gauge axial dimension; Stability to test unit has higher guarantee, and this technology can be applied to other mechanical torques and measure occasion.
Technological merit of the present invention is:
1. common torque gauge and dynamometer machine majority need to be rigidly connected with ground or frame fixed part separately, need when design experiment device rotor, carry out independent shaft extension design to dynamometer machine or torque gauge, and volume is bigger, is not easy to installation.The present invention has made full use of the bearing space, and whole height is no more than 120mm, and structure is compact more, and end play increases to 0mm between motor and the tested device.
2. radially deep groove ball bearing and axial thrust deep groove ball bearing assembly, through the machining tolerance of control with the bearing mating surface, can in installation process, guarantee fast structure to moderate, the accurately circumferential degree of freedom of formation also has bigger axial carrying capacity.
3. this torque-measuring apparatus is particularly useful for need repeating to test the occasion of dismounting.
4. measuring the arm of force adopts square steel to be welded; Supporting construction has bigger rigidity; Directly adopt high precision standard LOAD CELLS (precision 0.25%) to measure the normal tension of the arm of force, the complex process that need not traditional stickup foil gauge and use LOAD CELLS etc. to demarcate as load-sensing unit.
Description of drawings:
Fig. 1 torsion-testing apparatus structure cut-away view
Fig. 2 torsion-testing apparatus vertical view
Embodiment:
The present invention as shown in Figure 1; Torsion-testing apparatus is made up of bearing 1, flange seat 2, deep groove ball bearing 3, thrust deep groove ball bearing 4, first circlip 5, second circlip 6, stop screw 7, pilot sleeve 8, first arm of force 9, load-sensing unit 10, articulated joint 11, connecting rod 12 and second arm of force 13; Bearing 1 all has the step that radial and axial rolling bearing is installed with flange seat 2, and deep groove ball bearing 4 plays radially-directed and positioning action between the boss of bearing 1, flange seat 2; Through first circlip 5 and second circlip, 6 compensation bearing assemblage gaps; Thrust deep groove ball bearing 3 is positioned at deep groove ball bearing 4 outsides, bears axial loads such as motor weight and plays guide effect, and two stop screw 7 symmetries that have pilot sleeve 8 are installed on the threaded hole of flange seat 2; And by the gathering sill restriction flange seat 2 of processing on the bearing 1 and the rotational travel between the motor support 1; First arm of force 9 is installed on the bearing 1, and second arm of force 13 is installed on the flange seat 2, and first arm of force, 9 upper cantilever ends are equipped with dynamometry original paper 10; Dynamometry original paper 11 is linked to each other with second arm of force 13 with articulated joint 11 through connecting rod 12, so that measure the tensile force of arm of force end.
Claims (1)
1. torque-measuring apparatus; It is characterized in that: measurement mechanism is vertical; Form by bearing (1), flange seat (2), deep groove ball bearing (3), thrust deep groove ball bearing (4), first circlip (5), second circlip (6), stop screw (7), pilot sleeve (8), first arm of force (9), load-sensing unit (10), articulated joint (11), connecting rod (12) and second arm of force (13); Bearing (1) and flange seat (2) all have the step that radial and axial rolling bearing is installed; Deep groove ball bearing (4) is positioned between the boss of bearing (1), flange seat (2); Through first circlip (5) and second circlip (6) compensation bearing assemblage gap; Thrust deep groove ball bearing (3) is positioned at deep groove ball bearing (4) outside, and two stop screws (7) symmetry that has pilot sleeve (8) is installed on the threaded hole of flange seat (2), and goes up the gathering sill restriction flange seat (2) of processing and the rotational travel between the motor support (1) by bearing (1); First arm of force (9) is installed on the bearing (1); Second arm of force (13) is installed on the flange seat (2), and first arm of force (9) upper cantilever end is equipped with dynamometry original paper (10), dynamometry original paper (11) is linked to each other with second arm of force (13) with articulated joint (11) through connecting rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103060857A CN102788653A (en) | 2012-08-27 | 2012-08-27 | Torque measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103060857A CN102788653A (en) | 2012-08-27 | 2012-08-27 | Torque measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102788653A true CN102788653A (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103060857A Pending CN102788653A (en) | 2012-08-27 | 2012-08-27 | Torque measuring device |
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| Country | Link |
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| CN (1) | CN102788653A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332894A (en) * | 2018-04-20 | 2018-07-27 | 重庆长江轴承股份有限公司 | Deep groove ball bearing high speed rotation torque detecting apparatus |
| CN114088265A (en) * | 2021-10-14 | 2022-02-25 | 哈尔滨广瀚动力传动有限公司 | Near-field communication device of large-displacement disturbance rotating torque meter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4584884A (en) * | 1985-03-22 | 1986-04-29 | Lesko Gerald J | Torque sensor |
| CN101183034A (en) * | 2007-12-04 | 2008-05-21 | 奇瑞汽车有限公司 | Electric machine torque measurement method |
| CN101793576A (en) * | 2010-04-08 | 2010-08-04 | 陈苏琦 | Measurement method of electric motor load torque and application thereof |
| CN202735006U (en) * | 2012-08-27 | 2013-02-13 | 哈尔滨电气动力装备有限公司 | Torque measuring device |
-
2012
- 2012-08-27 CN CN2012103060857A patent/CN102788653A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4584884A (en) * | 1985-03-22 | 1986-04-29 | Lesko Gerald J | Torque sensor |
| CN101183034A (en) * | 2007-12-04 | 2008-05-21 | 奇瑞汽车有限公司 | Electric machine torque measurement method |
| CN101793576A (en) * | 2010-04-08 | 2010-08-04 | 陈苏琦 | Measurement method of electric motor load torque and application thereof |
| CN202735006U (en) * | 2012-08-27 | 2013-02-13 | 哈尔滨电气动力装备有限公司 | Torque measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 陈欣卓: "定子测矩法在高速电机M-S曲线测试中的应用", 《上海大学学报（自然科学版）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332894A (en) * | 2018-04-20 | 2018-07-27 | 重庆长江轴承股份有限公司 | Deep groove ball bearing high speed rotation torque detecting apparatus |
| CN114088265A (en) * | 2021-10-14 | 2022-02-25 | 哈尔滨广瀚动力传动有限公司 | Near-field communication device of large-displacement disturbance rotating torque meter |
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Application publication date: 20121121 |