CN208818394U - Hub unit dynamic torque detection device - Google Patents
Hub unit dynamic torque detection device Download PDFInfo
- Publication number
- CN208818394U CN208818394U CN201822186535.9U CN201822186535U CN208818394U CN 208818394 U CN208818394 U CN 208818394U CN 201822186535 U CN201822186535 U CN 201822186535U CN 208818394 U CN208818394 U CN 208818394U
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- CN
- China
- Prior art keywords
- rack
- hub unit
- sensor
- dynamic torque
- detection device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a kind of hub unit dynamic torque detection devices, including rack, hydraulic cylinder, driving mechanism, sensor, holding tray and snap-gauge；Rack is inverted U-shaped structure, is provided with torque inspection software and display screen, and hydraulic cylinder is fixed on the rack, the rectilinear lifting of piston rod, and bottom end is equipped with test side, and snap-gauge and test side cooperate；Driving mechanism is fixed on the bottom of rack, and sensor vertical is arranged in rack, and the bottom end of shaft is fixedly connected with driving mechanism, and the top of shaft passes through the table top of rack, and is fixedly connected with holding tray；Sensor is connect with the torque inspection software in rack；The center line of sensor and piston rod is total to straight line.The utility model is designed by structure, is integrally carried out dynamic torque detection to hub unit, is effectively improved the accuracy of testing result, guarantee the normal torque of oil sealing, the utility model is easy to operate, production efficiency, saves manpower, and the data of measurement are accurate and reliable.
Description
Technical field
The utility model relates to testing equipment fields, more particularly to a kind of hub unit dynamic torque detection device.
Background technique
The working environment very severe of agriculture hub unit, for a long time in the environment of dust and mud, this will wheel hub list
Member possesses outstanding sealing structure.In order to meet harsh seal request, general way is to use more lip mouth skeleton oil seals,
More lip configurations of more lip mouth skeleton oil seals can effectively form air cavity, to effectively stop external mud and dust.
The torque of hub unit mostlys come from two parts, the torque that itself torque and sealing element of hub unit generate.Certain
Locking effect under, hub unit itself rotation generate change in torque it is minimum, generally less than 0.1Nm, more torques come from
In sealing element itself.The lip that sealing element is designed according to actual demand can generate certain magnitude of interference after oil sealing combination assembly,
A reasonable torque is generated simultaneously, it can make sealing structure be in a reasonable state and play a role.But actual feelings
Condition, since the inner ring and outer ring manufacturing tolerance of hub unit and oil sealing causes the magnitude of interference of oil seal lip to become larger or become smaller, simultaneously
Becoming larger for torque is brought to become smaller.Magnitude of interference becomes smaller, and lip just weakens the barrier effect of mud and dust significantly；Interference quantitative change
Greatly, the rotation of hub unit can aggravate lip frictional heat generation, wear lip rapidly, be more likely to cause to take turns due to the excessive of torque
The locking of hub unit.
Existing torque monitoring device generallys use the mode of sampling, by oil sealing independently of hub unit, only by tensiometer
The torque of oil sealing is detected, the testing result reliability of this detection method is lower, influences the service performance of hub unit.
Utility model content
The utility model, can mainly solving the technical problems that provide a kind of hub unit dynamic torque detection device
Solve the problems, such as that existing hub unit torque detection accuracy is low.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of hub unit use
Dynamic torque detection device, comprising: rack, hydraulic cylinder, driving mechanism, sensor, holding tray and snap-gauge；The rack is to fall
The U-shaped structure set is provided with torque inspection software and display screen, and the hydraulic cylinder is fixed in the rack, described
The rectilinear lifting of the piston rod of hydraulic cylinder, bottom end are equipped with test side, and the snap-gauge and the test side cooperate, thus will wheel
Hub unit holding is fixed on the test side；The driving mechanism is fixed on the bottom of the rack, the sensor vertical
It is arranged in the rack, the bottom end of shaft is fixedly connected with the driving mechanism, and the top of shaft passes through the rack
Table top, and be fixedly connected with the holding tray；The sensor is connect with the torque inspection software in the rack；The biography
The center line of sensor and the piston rod is total to straight line.
In one preferred embodiment of the utility model, the two sides of the test side have symmetrically arranged flat portion, described
Snap-gauge is the cylindrical body with open slot, and the snap-gauge is assemblied on the test side by the open slot, and with the inspection
Survey the flat portion fitting of end two sides.
In one preferred embodiment of the utility model, the open slot of the snap-gauge is equipped with magnetic detection component, described
Magnetic detection component is connect with the panel leds in the rack.
In one preferred embodiment of the utility model, the dynamic torque detection device further includes butterfly spring, described
Butterfly spring is mounted on one end on the piston rod far from the test side.
In one preferred embodiment of the utility model, the dynamic torque detection device further includes clamping mechanism, described
Clamping mechanism is arranged on the table top of the rack, and ring is located at the surrounding of the holding tray.
In one preferred embodiment of the utility model, the clamping mechanism includes three claws and cylinder, described in three
Claw uniform ring is located at the surrounding of the holding tray, and connect with the power output end of the cylinder.
In one preferred embodiment of the utility model, the driving mechanism includes motor and disk, wherein the disk
It is placed on the bottom of the sensor, is fixedly connected with the shaft of the sensor, the motor passes through belt and the disk
Transmission connection, drives the disk rotational.
In one preferred embodiment of the utility model, the rack is equipped with electromagnetic inductor, the electromagnetism on one side
Inductor is connect with the sensor.
In one preferred embodiment of the utility model, the rack is equipped with grating inductor on one side.
In one preferred embodiment of the utility model, panel leds and switch are additionally provided in the rack.
In one preferred embodiment of the utility model, the hydraulic cylinder, driving mechanism, sensor, holding tray and card
The quantity of plate is 4 groups, constitutes four station detection devices.
The beneficial effects of the utility model are: a kind of the utility model hub unit dynamic torque detection device, passes through
Structure design, can integrally carry out dynamic torque detection to hub unit, effectively increase the accuracy of testing result, guarantee oil
The normal torque of envelope, the detection device of the utility model, easy to operate, production efficiency save manpower, and the data of measurement are accurate
Reliably.
Detailed description of the invention
Fig. 1 is that a kind of stereochemical structure of one preferred embodiment of hub unit dynamic torque detection device of the utility model is shown
It is intended to；
Fig. 2 is the positive structure diagram of Fig. 1；
Fig. 3 is the structural schematic diagram of shown snap-gauge；
The components in the drawings are labeled as follows: 1. racks, 2. hydraulic cylinders, 3. sensors, 4. holding trays, 5. snap-gauges, and 6.
Butterfly spring, 7. motors, 8. disks, 9. claws, 10. cylinders, 11. hub units, 1-1. display screen, 1-2. panel leds,
1-3. switch, 1-4. electromagnetic inductor, 1-5. grating inductor, 2-1. piston rod, the test side 2-3., 5-1. open slot.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment includes:
Embodiment 1
The utility model discloses a kind of hub unit dynamic torque detection device, comprising: rack 1, hydraulic cylinder 2,
Driving mechanism, sensor 3, holding tray 4, snap-gauge 5, butterfly spring 6 and clamping mechanism.
The rack 1 is inverted U-shaped structure, is provided with torque inspection software and display screen 1-1, panel leds
1-2 and switch 1-3.
The hydraulic cylinder 2 is fixed in the rack 1, the rectilinear lifting of piston rod 2-1 of the hydraulic cylinder 2,
Bottom end is equipped with test side 2-3, and the butterfly spring 6 is installed in one end far from the test side 2-3.In the piston rod 2-1
When raising and lowering, the butterfly spring 6 is compressed and is discharged.
The two sides of the test side 2-3 have symmetrically arranged flat portion, and the snap-gauge 5 is the cylinder with open slot 5-1
Body, the snap-gauge 5 are assemblied on the test side 2-3 by the open slot 5-1, and are pasted with the flat portion of the test side two sides
It closes, so that hub unit holding is fixed on the detection 2-3.The open slot 5-1 of the snap-gauge 5 is equipped with magnetic detection portion
Part, the magnetic detection component are connect with the panel leds 1-2 in the rack 1.The magnetic detection component is for detecting
The placement location of hub unit, and by the electromagnetic protection system feedback in it to panel leds, if be in place, face
Plate indicator light is bright, if placement is not in place, panel leds do not work, and can not play torque detection program.
The driving mechanism includes motor 7 and disk 8；The sensor 3 is vertically set in the rack 1, and is placed
On the disk 8, the bottom end of the shaft of the sensor 3 is fixedly connected with the shaft 8, and the top of shaft passes through the machine
The table top of frame 1, and be fixedly connected with the holding tray 4 being placed on 1 table top of rack.Four weekly assemblies of the holding tray 4 are equipped with use
In the clamping mechanism for clamping stationary hub unit outer ring, the clamping mechanism is arranged on the table top of the rack 1, including three
Claw 9 and cylinder 10, three claws 9 respectively between be located at the surrounding of the holding tray 4 in 120 ° of angle uniform rings, and with institute
State the power output end connection of cylinder 10.The motor 7 is sequentially connected by belt and the disk 8, drives 8 turns of the disk
Dynamic, the rotation of disk 8 drives the shaft rotation of sensor 3 again, and the shaft of sensor 3 drives holding tray 4 to rotate again, holding tray 4
Finally drive the rotation of hub unit inner ring.
The sensor 3 is connect with the torque inspection software in the rack 1, is detected to will test result by torque
Software acquires data and exports；The center line of the sensor 3 and piston rod 2-1 is total to straight line.
In addition, the rack 1 is equipped with electromagnetic inductor 1-4, the electromagnetic inductor 1-4 and the sensor on one side
3 connections, can protect the safety of 3 structure of sensor.
The rack 1 is equipped with grating inductor 1-5 on one side.During the operation of dynamic torque detection device, light
Grid inductor 1-5 can detect whether that incessantly object is close, and can terminate the operation of dynamic torque detection device in time, from
And protect the safety of operator.
In above-mentioned dynamic torque detection device, the hydraulic cylinder 2, driving mechanism, sensor 3, holding tray 4 and snap-gauge 5
Quantity be 4 groups, constitute four station detection devices.Four stations measure simultaneously, and the time of measurement can be greatly shortened, mentioned
High working efficiency.
A kind of working principle of the utility model hub unit dynamic torque detection device are as follows:
The hub unit 11 for installing oil sealing is placed on holding tray 4 downward with ring flange one end, and passes through installed body
It is fixed, 1-3, the piston rod 2-1 decline of hydraulic cylinder 2 are started switch, butterfly spring 6 discharges, the test side 2-3 of piston rod bottom
It puts into hub unit inner hole and is pierced by, the flat portion of test side 2-3 is then stuck in snap-gauge 5；Magnetic detection device on snap-gauge
By the placement location of the electromagnetic protection system detection hub unit in it, magnetic induction switch can not lead to if placement is not in place
It crosses, panel leds 1-2 does not work, and process of measurement will be unable to start；If being in place, panel leds are bright, start switch 1-3,
Piston rod 2-1 rises, and the hub unit 11 of clamping is driven to rise, and butterfly spring 6 compresses, and distinguishes the two sides of hub unit inner ring
It is bonded with the end face of snap-gauge 5 and piston rod 2-1, so that the inner ring of hub unit firmly be pushed down, then piston rod 2 declines, will
Hub unit 11 is put into holding tray 4, and at this time since 11 inner ring of hub unit is crushed to death, driving device is put by sensor drive
Set disk 4 rotation, thus drive hub unit outer ring rotating (oil sealing is assemblied between hub unit Internal and external cycle, oil sealing inner hole with
The inner ring of hub unit is fixed, and the outer ring of oil sealing rotates together with the outer ring of hub unit), sensor is by faint pulse signal
Amplification, and be correctly shown in instrument in real time.
The sample point of sensor eliminates the unstable numerical value in one end after the beginning of measurement and before terminating, and guarantees measurement
The accuracy of numerical value.
Torque inspection software automatic data collection, and the real-time torque value measured is depicted as change in torque song automatically
Line, system automatically saves data after measurement, it is ensured that the trackability of measurement data.
The dynamic torque detection device of the utility model carries out full inspection to hub unit, utmostly guarantees sealing structure
Reliability, while the method measured simultaneously using four stations, substantially have compressed the time of measurement, improve the work effect of measurement
Rate.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.The above descriptions are merely preferred embodiments of the present invention, and it is practical new to be not limited to this
Type, for those skilled in the art, the present invention may have various modifications and changes.All essences in the utility model
Mind and principle within, any modification, equivalent replacement, improvement and so on, should be included in the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of hub unit dynamic torque detection device characterized by comprising rack, hydraulic cylinder, driving mechanism,
Sensor, holding tray and snap-gauge；The rack is inverted U-shaped structure, is provided with torque inspection software and display screen, institute
It states hydraulic cylinder to be fixed in the rack, the rectilinear lifting of the piston rod of the hydraulic cylinder, bottom end is equipped with test side, institute
It states snap-gauge and the test side cooperates, so that hub unit holding is fixed on the test side；The driving mechanism is fixed
In the bottom of the rack, the sensor vertical is arranged in the rack, and the bottom end of shaft and the driving mechanism are solid
The top of fixed connection, shaft passes through the table top of the rack, and is fixedly connected with the holding tray；The sensor with it is described
Torque inspection software connection in rack；The center line of the sensor and the piston rod is total to straight line.
2. hub unit according to claim 1 dynamic torque detection device, which is characterized in that the two of the test side
Side has symmetrically arranged flat portion, and the snap-gauge is the cylindrical body with open slot, and the snap-gauge is assembled by the open slot
It is bonded on the test side, and with the flat portion of the test side two sides.
3. hub unit according to claim 2 dynamic torque detection device, which is characterized in that the opening of the snap-gauge
Slot is equipped with magnetic detection component, and the magnetic detection component is connect with the panel leds in the rack.
4. hub unit according to claim 3 dynamic torque detection device, which is characterized in that the dynamic torque inspection
Surveying device further includes butterfly spring, and the butterfly spring is mounted on one end on the piston rod far from the test side.
5. hub unit according to claim 1 dynamic torque detection device, which is characterized in that the dynamic torque inspection
Surveying device further includes clamping mechanism, and the clamping mechanism is arranged on the table top of the rack, and ring is located at the holding tray
Surrounding.
6. hub unit according to claim 5 dynamic torque detection device, which is characterized in that the clamping mechanism packet
Three claws and cylinder are included, three claw uniform rings are located at the surrounding of the holding tray, and defeated with the power of the cylinder
Outlet connection.
7. hub unit according to claim 1 dynamic torque detection device, which is characterized in that the driving mechanism packet
Including motor and disk, wherein the disk is placed on the bottom of the sensor, is fixedly connected with the shaft of the sensor,
The motor is sequentially connected by belt and the disk, drives the disk rotational.
8. hub unit according to claim 1 dynamic torque detection device, which is characterized in that one side of the rack
It is separately installed with electromagnetic inductor, the electromagnetic inductor is connect with the sensor.
9. hub unit according to claim 1 dynamic torque detection device, which is characterized in that one side of the rack
Grating inductor is installed.
10. hub unit according to claim 1 dynamic torque detection device, which is characterized in that the hydraulic cylinder,
Driving mechanism, sensor, holding tray and snap-gauge quantity be 4 groups, constitute four station detection devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186535.9U CN208818394U (en) | 2018-12-25 | 2018-12-25 | Hub unit dynamic torque detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186535.9U CN208818394U (en) | 2018-12-25 | 2018-12-25 | Hub unit dynamic torque detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208818394U true CN208818394U (en) | 2019-05-03 |
Family
ID=66281045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822186535.9U Expired - Fee Related CN208818394U (en) | 2018-12-25 | 2018-12-25 | Hub unit dynamic torque detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208818394U (en) |
-
2018
- 2018-12-25 CN CN201822186535.9U patent/CN208818394U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20211225 |