CN204422122U - Wheel six square shaft torsion-testing sensor - Google Patents
Wheel six square shaft torsion-testing sensor Download PDFInfo
- Publication number
- CN204422122U CN204422122U CN201520109339.5U CN201520109339U CN204422122U CN 204422122 U CN204422122 U CN 204422122U CN 201520109339 U CN201520109339 U CN 201520109339U CN 204422122 U CN204422122 U CN 204422122U
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- China
- Prior art keywords
- interior
- square
- axle sleeve
- cups
- rotating shafts
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- Withdrawn - After Issue
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- 238000012360 testing method Methods 0.000 title claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013214 routine measurement Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a kind of wheel six square shaft torsion-testing sensor, in this device, interior six square sockets are enclosed within six side's rotating shafts, the external cylindrical surface of interior six square sockets arranges a pair rolling bearing, the centre of a pair rolling bearing is provided with bearing locating sleeve; A set of cups is installed in the outer ring of rolling bearing; Wheel hub is arranged on the outside surface of a set of cups; Bearing cap, a set of cups, wheel hub are fixedly connected with dynamometry axle sleeve; Interior six square shaft covers are arranged in six side's rotating shafts, weld with dynamometry axle sleeve; Dynamometry axle sleeve and interior six square socket clearance fit; Symmetrical stickup two panels resistance strain gage on the face of cylinder of dynamometry axle sleeve, two panels resistance strain gage is connected into full-bridge circuit, and is connected with wireless torque node; When the moment of torsion of measurement six side rotating shaft, do not need six side's rotating shafts to block, and block axle by torque sensor two and couple together and measure the moment of torsion of solid of revolution; When measuring torque, to six side's rotating shaft not damageds, installing space is little, and cost of manufacture is low, and measuring accuracy is high.
Description
Technical field
The utility model relates to a kind of torsion-testing sensor, particularly relates to a kind of wheel six square shaft torsion-testing sensor.
Background technology
Rotating shaft not only bears moment of flexure but also bear moment of torsion at work.Convenient, low cost measures rotating shaft in real time moment of torsion is a difficult problem for commercial measurement.The method of general subsides foil gauge cannot measure the moment of torsion of rotating shaft, the method of routine measurement Shaft Torque is very complicated, the support of countershaft to redesign, rotating shaft is blocked, with fixing torque sensor, two axles be truncated are coupled together, measured the moment of torsion of rotating shaft by the method only extracting moment of torsion.If do not adopt the method for blocking rotating shaft, will adopt special device for measuring force, as wheel device for measuring force, this device for measuring force price is very high, just considers special dynamometry object during design, not general, and the Shaft Torque in general industry is measured and cannot be used.Be badly in need of in production wanting a kind of low cost of manufacture, precision high and the method for general good measurement Shaft Torque.
Summary of the invention
The purpose of this utility model is for existing torsion-testing method complicated, and countershaft damages the deficiency of square, provides a kind of wheel six square shaft torsion-testing sensor.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of wheel six square shaft torsion-testing sensor, and it comprises six side's rotating shafts, interior six square sockets, felt collar oil sealing, bolt, nut, bearing cap, a set of cups, wheel hub, solid of revolution, bearing locating sleeve, lip-type packing, dynamometry axle sleeve, interior six square shaft covers, power transmission pin, wireless torque node, resistance strain gage, rolling bearing etc.; Wherein, in described, six square sockets are enclosed within six side's rotating shafts, and the external cylindrical surface of interior six square sockets arranges a pair rolling bearing, the centre of a pair rolling bearing is provided with bearing locating sleeve, bearing locating sleeve is fixedly connected with by register pin with six side's rotating shafts; A set of cups is installed in the outer ring of rolling bearing, and adjusts its pretightning force by bearing cap; Be provided with lip-type packing between a set of cups and interior six square sockets, between bearing cap and interior six square sockets, be provided with felt collar oil sealing; Wheel hub is arranged on the outside surface of a set of cups, and wheel hub is fixedly connected with solid of revolution; Bearing cap, a set of cups, wheel hub and dynamometry axle sleeve are bolted to connection; Interior six square shaft covers are arranged in six side's rotating shafts, are fixedly connected by welding with dynamometry axle sleeve; Dynamometry axle sleeve and interior six square socket clearance fit, interior six square shaft covers are fixedly connected with six side's rotating shafts by power transmission pin; Symmetrical stickup two panels resistance strain gage on the face of cylinder of dynamometry axle sleeve; Wireless torque node is fixedly connected on interior six square shafts and puts; The flange of dynamometry axle sleeve is provided with several holes equally distributed, the size in hole is greater than the diameter of the hexagon socket head cap screw head of bolt; Two panels resistance strain gage is connected into full-bridge circuit, and is connected with wireless torque node.
The utility model is compared with background technology, and the beneficial effect had is:
1, measure solid of revolution transmit moment of torsion time, do not need solid of revolution rotating shaft to block, and by torque sensor two block axle couple together measurement solid of revolution moment of torsion.When measuring torque, to rotator shaft not damaged.
2, this torque sensor is easy to make, and cost of manufacture is low, and measuring accuracy is high.
3, foil gauge and wireless torque node volume very little, so installing space is little.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure: six side's rotating shafts 1, interior six square sockets 2, felt collar oil sealing 3, bolt 4, nut 5, bearing cap 6, a set of cups 7, wheel hub 8, solid of revolution 9, register pin 10, bearing locating sleeve 11, lip-type packing 12, dynamometry axle sleeve 13, interior six square shaft covers 14, power transmission pin 15, wireless torque node 16, resistance strain gage 17, bearing 18, gateway 19.
Embodiment
As shown in Figure 1, the utility model comprises six side's rotating shafts 1, interior six square sockets 2, felt collar oil sealing 3, bolt 4, nut 5, bearing cap 6, a set of cups 7, wheel hub 8, solid of revolution 9, register pin 10, bearing locating sleeve 11, lip-type packing 12, dynamometry axle sleeve 13, interior six square shaft covers 14, power transmission pin 15, wireless torque node 16, resistance strain gage 17, rolling bearing 18, gateway 19.
Interior six square sockets 2 are enclosed within six side's rotating shafts 1, and the external cylindrical surface of interior six square sockets 2 arranges a pair rolling bearing 18, the centre of a pair rolling bearing 18 is provided with bearing locating sleeve 11, register pin 10 is fixedly connected with bearing locating sleeve 11 with six side's rotating shafts 1; A set of cups 7 is installed in the outer ring of rolling bearing 18, and adjusts its pretightning force by bearing cap 6; Be provided with lip-type packing 12 between a set of cups 7 and interior six square sockets 2, between bearing cap 6 and interior six square sockets 2, be provided with felt collar oil sealing 3; Wheel hub 8 is arranged on the outside surface of a set of cups 7, and wheel hub 8 is fixedly connected with solid of revolution 9; Bearing cap 6, a set of cups 7, wheel hub 8 are fixedly connected with by bolt 4 with dynamometry axle sleeve 13; Interior six square shafts covers 14 are arranged in six side's rotating shafts 1, are fixedly connected by welding with dynamometry axle sleeve 13; Dynamometry axle sleeve 13 and interior six square socket 2 clearance fit, interior six square shaft covers 14 are fixedly connected with six side's rotating shafts 1 by power transmission pin 15; Symmetrical stickup two panels resistance strain gage 17 on the face of cylinder of dynamometry axle sleeve 13; Wireless torque node 16 is fixedly connected on interior six square shaft covers 14; The flange of dynamometry axle sleeve 13 is provided with several holes equally distributed, the size in hole is slightly larger than the diameter of the hexagon socket head cap screw head of bolt 4, thus make dynamometry axle sleeve 13 be that empty set is on the head of bolt 4, cause the extra-stress of dynamometry axle sleeve 13 excessive to reduce the fastening rear error because of processing and installation of bolt 4, affect measuring accuracy; Gateway 19 is connected with computing machine.
The two panels resistance strain gage that dynamometry axle sleeve 13 symmetry is pasted is connected into full-bridge circuit, and is connected with wireless torque node 16, the signal of gateway 19 real-time reception wireless torque node transmitting, and is input in computing machine and calculates load torque.
During work, six side's rotating shafts 1 are rotated, six square socket 2 synchronous axial system in driving, and power transmission pin 15 prevents interior six square shaft covers 14 from moving vertically along six side's rotating shafts 1, meanwhile, the moment of torsion of six side's rotating shafts 1 are delivered on interior six square shaft covers 14; Power is delivered on solid of revolution 9 by dynamometry axle sleeve 13, bolt 4 and wheel hub 8; When on solid of revolution 9 during loading, the periphery of dynamometry axle sleeve 13 just there will be torsional deflection, the resistance strain gage 17 be attached on the face of cylinder also can produce corresponding microstrain, thus destroy the balance of full-bridge circuit, produce voltage signal, the voltage signal that gateway 19 real-time reception wireless torque node 16 is launched, then be calculated as follows load torque by computing machine:
, wherein
for moment of torsion,
for the diameter of dynamometry axle sleeve 13 external cylindrical surface,
for its internal diameter,
for the elastic modulus of its material,
for the Poisson ratio of its material,
for shear strain.
Claims (1)
1. a wheel six square shaft torsion-testing sensor, it is characterized in that, it comprises six side's rotating shafts (1), interior six square sockets (2), felt collar oil sealing (3), bolt (4), nut (5), bearing cap (6), a set of cups (7), wheel hub (8), solid of revolution (9), bearing locating sleeve (11), lip-type packing (12), dynamometry axle sleeve (13), interior six square shaft covers (14), power transmission pin (15), wireless torque node (16), resistance strain gage (17), rolling bearing (18); Wherein, in described, six square sockets (2) are enclosed within six side's rotating shafts (1), the external cylindrical surface of interior six square sockets (2) arranges a pair rolling bearing (18), the centre of a pair rolling bearing (18) is provided with bearing locating sleeve (11), and bearing locating sleeve (11) is fixedly connected with by register pin (10) with six side's rotating shafts (1); The outer ring of rolling bearing (18) is installed a set of cups (7); Be provided with lip-type packing (12) between a set of cups (7) and interior six square sockets (2), between bearing cap (6) and interior six square sockets (2), be provided with felt collar oil sealing (3); Wheel hub (8) is arranged on the outside surface of a set of cups (7), and wheel hub (8) is fixedly connected with solid of revolution (9); Bearing cap (6), a set of cups (7), wheel hub (8) are fixedly connected with by bolt (4) with dynamometry axle sleeve (13); Interior six square shaft covers (14) are arranged in six side's rotating shafts (1), are fixedly connected with dynamometry axle sleeve (13); Dynamometry axle sleeve (13) and interior six square sockets (2) clearance fit, interior six square shaft covers (14) are fixedly connected with six side's rotating shafts (1) by power transmission pin (15); Symmetrical stickup two panels resistance strain gage (17) on the face of cylinder of dynamometry axle sleeve (13); Wireless torque node (16) is fixedly connected on interior six square shaft covers (14); The flange of dynamometry axle sleeve (13) is provided with several holes equally distributed, and the size in hole is greater than the diameter of the hexagon socket head cap screw head of bolt (4); Two panels resistance strain gage (17) is connected into full-bridge circuit, and is connected with wireless torque node (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109339.5U CN204422122U (en) | 2015-02-15 | 2015-02-15 | Wheel six square shaft torsion-testing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520109339.5U CN204422122U (en) | 2015-02-15 | 2015-02-15 | Wheel six square shaft torsion-testing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204422122U true CN204422122U (en) | 2015-06-24 |
Family
ID=53472479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520109339.5U Withdrawn - After Issue CN204422122U (en) | 2015-02-15 | 2015-02-15 | Wheel six square shaft torsion-testing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204422122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677535A (en) * | 2015-02-15 | 2015-06-03 | 浙江理工大学 | Test sensor for dynamic torque of hexagonal shaft |
| CN112832747A (en) * | 2020-12-24 | 2021-05-25 | 山东科技大学 | Inner-outer ring nested type pressure-torsion sensor elastomer structure and sensing element sealing method |
| CN113820122A (en) * | 2021-08-20 | 2021-12-21 | 浙江机电职业技术学院 | Hub unit sealing ring torque test bench |
-
2015
- 2015-02-15 CN CN201520109339.5U patent/CN204422122U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677535A (en) * | 2015-02-15 | 2015-06-03 | 浙江理工大学 | Test sensor for dynamic torque of hexagonal shaft |
| CN104677535B (en) * | 2015-02-15 | 2017-04-26 | 浙江理工大学 | Test sensor for dynamic torque of hexagonal shaft |
| CN112832747A (en) * | 2020-12-24 | 2021-05-25 | 山东科技大学 | Inner-outer ring nested type pressure-torsion sensor elastomer structure and sensing element sealing method |
| CN112832747B (en) * | 2020-12-24 | 2023-01-24 | 山东科技大学 | Inner-outer ring nested type pressure-torsion sensor elastomer structure and sensing element sealing method |
| CN113820122A (en) * | 2021-08-20 | 2021-12-21 | 浙江机电职业技术学院 | Hub unit sealing ring torque test bench |
| CN113820122B (en) * | 2021-08-20 | 2024-04-30 | 浙江机电职业技术学院 | Hub unit sealing ring torque test board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150624 Effective date of abandoning: 20170426 |
|
| AV01 | Patent right actively abandoned |