CN208283245U - A kind of frictional force detection device - Google Patents
A kind of frictional force detection device Download PDFInfo
- Publication number
- CN208283245U CN208283245U CN201720561814.1U CN201720561814U CN208283245U CN 208283245 U CN208283245 U CN 208283245U CN 201720561814 U CN201720561814 U CN 201720561814U CN 208283245 U CN208283245 U CN 208283245U
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- friction plate
- frictional force
- load
- slide bar
- gear
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Abstract
The utility model provides a kind of frictional force detection device, including load device, friction plate, driving device, pressure sensor (not shown) and master control set (not shown)；The load device is arranged on the friction plate is coated with lubricating grease with the friction plate face contact, the friction plate on the contact surface；The sensor is fixed on the load device；The driving device drives the friction plate to move back and forth, the pressure sensor incudes the variation of the frictional force between the load device and the friction plate and signal is passed to the master control set, and the master control set receives the signal of the pressure sensor transmitting and records and shown by a display.
Description
Technical field
The utility model relates to frictional force detection technique fields, and in particular, to a kind of frictional force detection device.
Background technique
There may be frictional force when two or more objects contact, when there is movement tendency, without actual relative motion
When, frictional force at this time is stiction；When two articles overcome maximum static friction force, generation relative motion, frictional force at this time
For force of sliding friction.The frictional force of research in varied situations has extremely important meaning in actual scientific research, production.?
In actual production, in order to reduce the frictional force between object, the painting on the contact surface of object is needed to be covered with lubricating grease, however, not
With different the effect of lubricating grease, it is sometimes desirable to which suitable lubricating grease can just be found by testing repeatedly, for this purpose, designing one kind can test
Different lubricating grease reduce the equipment of frictional force effects very it is necessary to.
At this stage, the measurement method of force of sliding friction is (for detecting valve flexibility): the valve head of certain valve
It is connect between lid by elastic element, for the kinematic dexterity for detecting valve and valve rod, applies thrust, valve on valve head
Displacement is generated, in valve event, valve stroke and acts on the approximately linear relationship of power on valve head.Specific test side
Method are as follows: measure and record valve and fully open pressure, judge valve during opening whether with the presence of other resistances with it；In valve
Door begins to speak slowly to lead to pressure, with dial gauge pressure valve close cavity, side valve door motion stability ' property, by observation dial gauge in record valve
During moving displacement the stability of rotation of pointer come judge guide rod movement flexibility.Prior art is with gas to valve
Door applies thrust, firstly, the flow inconvenience of gas controls, the power that valve is subject to is not steady state value, reaction pointer on dial gauge
Revolving speed also not at the uniform velocity, cannot determine whether be valve quality problems.Secondly, whether the indicators turn that detects by an unaided eye steadily presss from both sides
It is miscellaneous to have many human factors, so that measurement error increases.Again, measurement data is not easy to maintain, traces to the source data in the future and brings
Big inconvenience.
Utility model content
A kind of in order to overcome the deficiencies of the prior art, the utility model provides frictional force detection device, can quickly examine
Light review frictional force data is surveyed, to quickly detect the lubricant effect of lubricating grease, and detection data is recorded, detection accuracy
Excellent, structure is simple, easy to use.
The technical solution of the utility model is as follows: a kind of force of sliding friction detection device, including load device, friction plate,
Driving device, pressure sensor (not shown) and master control set (not shown)；The load device is arranged on the friction plate
With the friction plate face contact, the friction plate is coated with lubricating grease on the contact surface；The sensor is fixed at described
On load device；The driving device drives the friction plate to move back and forth, and the pressure sensor incudes the load device
Signal is simultaneously passed to the master control set by the variation of the frictional force between the friction plate, described in the master control set receives
The signal of pressure sensor transmitting is simultaneously recorded and is shown by a display.
The load device includes load and load bracket, and the load has steel ball, the steel ball and the friction
Plate abuts.
The driving device is slidably connected with the friction plate.
The driving mechanism includes motor, slide bar and driving arm；The driving arm includes opposite panel and bottom plate,
And two side plate；The motor is arranged in the driving mechanism side, and the both ends of the slide bar are mounted on two side plate, and
Under the panel, the slide bar whole body is equipped with ring gear；The friction plate is arranged on the panel, the friction plate
It is fixedly installed with a sliding panel respectively, in the panel two sides, the sliding panel is equipped with tooth for two sliding panel settings
Wheel, the gear are engaged with the ring gear on slide bar；Slide bar described in the motor driven rotates, ring gear and the gear on slide bar
Engagement drives the friction plate to slide so that the gear be driven to rotate, and the steel ball of the load is abutted with the friction plate,
Frictional force is generated, the inductor is by the data transmission sensed to master control set.
The sliding panel is equipped with the mounting plate of the parallel friction plate, which is equipped with bearing, the gear
Axis is installed in rotation on the bearing.
The utility model has the following beneficial effects: frictional force detection device described in the utility model, the size of the load is not
Become, when coating different lubricating grease on the friction plate, the friction coefficient between the load and the friction plate generates change
Change, changes so as to cause frictional force between the two, the pressure sensor incudes the variation of the frictional force, to examine
Survey the lubricant effect of the lubricating grease.The frictional force detection device, accuracy is high, is able to detect the change of clear load frictional force
To change, sensitivity is excellent, and structure is simple, and it is cheap, there is dissemination.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of force of sliding friction detection device described in the utility model.
Fig. 2 is the structural schematic diagram of the friction plate 20 of force of sliding friction detection device described in the utility model.
Specific embodiment
In order to make the purpose of utility model of the utility model, technical solution and technical effect are more clearly understood, tie below
Specific embodiment is closed to be described further the utility model.It should be understood that specific embodiment described herein and correlation
Attached drawing is only used for explaining the utility model, is not used to limit the utility model.
Referring to Fig.1, a kind of force of sliding friction detection device, including load device 10, friction plate 20, driving device 30, pressure
Force snesor (not shown) and master control set (not shown)；The setting of load device 10 rubs on the friction plate 20 with described
20 face contact of wiping board, the friction plate 20 are coated with lubricating grease on the contact surface；The pressure sensor is fixed at described
On load device 10；The driving device 30 drives the friction plate 20 to move back and forth, and the pressure sensor induction is described negative
It carries the variation for setting the frictional force between 10 and the friction plate 20 and signal is passed into the master control set, the master control dress
It sets the signal for receiving the pressure sensor transmitting and records and power is shown by display.
Referring to Fig.1, the load device 10 includes load 11 and load bracket 12, and the load 11 has steel ball 13,
The steel ball 13 is abutted with the friction plate 20.
It should be understood that there are many modes that the driving mechanism 30 drives the friction plate 20 mobile.The driving mechanism 30
It can be cylinder, motor etc..As one of the embodiments of the present invention, the driving mechanism 30 includes motor 31, slide bar 32
With driving arm 33.The driving arm 33 includes opposite panel 331 and bottom plate 332 and two side plates 333；The motor
31 are arranged in the driving mechanism side, and the both ends of the slide bar 32 are mounted on two side plate 333, and are located at the panel
Under 331,32 whole body of slide bar is equipped with ring gear；The driving motor 31 drives the slide bar 32 to rotate.It is described referring to Fig. 2
Friction plate 20 is arranged on the panel 331, and 20 two sides of friction plate are fixedly installed with a sliding panel 21 respectively, and two
In 331 two sides of panel, the sliding panel 21 is equipped with mounting plate 22 for a setting of the sliding panel 21, sets on the mounting plate 22
There is gear 23, the gear 23 is engaged with the ring gear on slide bar 32.The motor 31 drives the slide bar 32 to rotate, on slide bar 32
Ring gear engaged with the gear 23, so that the gear 23 be driven to rotate, the friction plate 20 is driven to slide.
The mounting plate 22 is equipped with bearing 24, and the gear 23 is rotatably mounted on gear 23 by bearing 24.
The steel ball 13 of the load 10 is abutted with the panel 331, generates frictional force, and the pressure inductor will sense
Frictional force data send master control set to, the master control set records frictional force data, and can be shown by display.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, architectural form cans be flexible and changeable, and can be produced with subseries
Product.Several simple deduction or replace are only made, it is true by the claims submitted all to shall be regarded as belonging to the utility model
Fixed scope of patent protection.
Claims (5)
1. a kind of frictional force detection device, which is characterized in that including load device, friction plate, driving device, pressure sensor and
Master control set；The load device is arranged on the friction plate with the friction plate face contact, and the friction plate is in contact surface
It is upper to be coated with lubricating grease；The sensor is fixed on the load device；The driving device drives the friction plate
It moves back and forth, the pressure sensor incudes the variation of the frictional force between the load device and the friction plate and by signal
The master control set is passed to, the master control set receives the signal of the pressure sensor transmitting and records and show by one
Device is shown.
2. frictional force detection device as described in claim 1, which is characterized in that the load device includes load and load branch
Frame, the load have steel ball, and the steel ball is abutted with the friction plate.
3. frictional force detection device as claimed in claim 1 or 2, which is characterized in that the driving device and the friction plate
It is slidably connected.
4. frictional force detection device as claimed in claim 3, which is characterized in that the driving mechanism includes motor, slide bar and
Driving arm；The driving arm includes opposite panel and bottom plate and two side plates；The motor is arranged in the driving machine
Structure side, the both ends of the slide bar are mounted on two side plate, and are located under the panel, and the slide bar whole body is equipped with tooth
Ring；The friction plate is arranged on the panel, and the friction plate is fixedly installed with a sliding panel, two cunnings respectively
Movable plate setting is equipped with gear in the panel two sides, the sliding panel, and the gear is engaged with the ring gear on slide bar；The electricity
Machine drives the slide bar rotation, and the ring gear on slide bar is engaged with the gear, so that the gear be driven to rotate, rubbed described in driving
Wiping board sliding, the steel ball of the load are abutted with the friction plate, generate frictional force, and the inductor passes the data sensed
Give master control set.
5. frictional force detection device as claimed in claim 4, which is characterized in that the sliding panel is equipped with the parallel friction
The mounting plate of plate, the mounting plate are equipped with bearing, and the axis of the gear is installed in rotation on the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720561814.1U CN208283245U (en) | 2017-05-18 | 2017-05-18 | A kind of frictional force detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720561814.1U CN208283245U (en) | 2017-05-18 | 2017-05-18 | A kind of frictional force detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208283245U true CN208283245U (en) | 2018-12-25 |
Family
ID=64746937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720561814.1U Active CN208283245U (en) | 2017-05-18 | 2017-05-18 | A kind of frictional force detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208283245U (en) |
-
2017
- 2017-05-18 CN CN201720561814.1U patent/CN208283245U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210120 Address after: 523000 Building 1, No.2, East qiaolonghe Road, Tangxia Town, Dongguan City, Guangdong Province Patentee after: Dongguan weinafu Lubrication Technology Co.,Ltd. Address before: 523000 Building 1, No.10, Qiaolong Shabu Industrial Zone, Tangxia Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN VNOVO LUBRICANTS TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |