CN209264158U - A kind of device measuring roller bolt three received strength in feed screw nut - Google Patents
A kind of device measuring roller bolt three received strength in feed screw nut Download PDFInfo
- Publication number
- CN209264158U CN209264158U CN201822231818.0U CN201822231818U CN209264158U CN 209264158 U CN209264158 U CN 209264158U CN 201822231818 U CN201822231818 U CN 201822231818U CN 209264158 U CN209264158 U CN 209264158U
- Authority
- CN
- China
- Prior art keywords
- roller bolt
- feed screw
- screw nut
- force transducer
- nut
- Prior art date
- 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.)
- Active
Links
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a kind of device of roller bolt three received strength in measurement feed screw nut, including nut, it is fixedly installed three-dimensional force transducer on nut, roller bolt is provided in nut, roller bolt upper end passes through three-dimensional force transducer, and fixing piece is arranged in upper end；Bushing is provided on nut, suit calibration axis in bushing demarcates the hole that position coincidence is provided on axis and bushing, and roller bolt lower end is protruded into the hole on calibration axis and bushing；End cap is provided on nut, three-dimensional force transducer is fitted in sensor mounting groove by end cap.After calibration axis calibration, three-dimensional force transducer can directly measure the stress size of roller bolt, and a sensor can measure the three-dimensional stress condition of roller bolt when the positive and negative both direction of screw rod moves, the direction of resultant force size and power can be calculated, effectively solves the problems, such as the stress detection of roller bolt in the prior art.
Description
Technical field
The utility model relates to a kind of devices of roller bolt three received strength in measurement feed screw nut.
Background technique
The movement mechanism of existing track vehicle door system is usually feed screw nut, and two spiral shells are respectively set on each screw rod
Mother, there are two roller bolts in each nut.Screw rod move when with roll pin contacts.Some key parts in track vehicle door system
Installation directly influence the running stability and service life of door, the stress of installation quality and roller bolt is closely related, passes through
The stress condition for measuring roller bolt, to determine the installation parameter of key part, for instructing the installation and maintenance of door system.Due to
Roller bolt size is smaller, and sensor can not be installed at stress, and the nut surrounding space on screw rod is narrow, can not also be mounted directly biography
Sensor.
Utility model content
Purpose of utility model: in order to overcome the deficiencies in the prior art, the utility model provides a kind of measurement screw rod
The device of roller bolt three received strength in nut.
Technical solution: in order to solve the above technical problems, roller bolt three-dimensional in a kind of measurement feed screw nut of the utility model
The device of stress, including feed screw nut are fixedly installed three-dimensional force transducer on feed screw nut, rolling are provided in feed screw nut
Pin, roller bolt upper end passes through three-dimensional force transducer, and fixing piece is arranged in upper end；Bushing, suit in bushing are provided on nut
Axis is demarcated, the hole for being provided with position coincidence on axis and bushing is demarcated, calibration axis is protruded into the hole that roller bolt lower end passes through on bushing
In hole；End cap is provided on feed screw nut, three-dimensional force transducer is fitted in sensor mounting groove by end cap.
Wherein, it is provided with step surface on roller bolt, the step surface and three-dimensional force transducer lower surface cooperate.
Wherein, plain washer is additionally provided between the step surface of roller bolt and the lower surface of three-dimensional force transducer.
Wherein, plain washer is provided between three-dimensional force transducer upper surface and fixing piece.
Wherein, three-dimensional force transducer is ICP piezoelectric transducer.
Wherein, sensor mounting groove is provided on nut, three-dimensional force transducer is set in the sensor mounting groove.
The utility model has the advantages that the utility model has the following beneficial effects:
After calibration axis calibration, three-dimensional force transducer can directly measure the stress size of roller bolt, and a biography
The three-dimensional stress condition of roller bolt when sensor can measure screw rod positive and negative both direction movement can calculate resultant force size and power
Direction effectively solves the problems, such as the stress detection of roller bolt in the prior art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
As shown in Figure 1, the utility model includes nut 1, sensor mounting groove 11, three axis force sensing are provided on nut 1
Device 4 is set in the sensor mounting groove 11, and three-dimensional force transducer 4 is ICP piezoelectric transducer.Rolling is additionally provided in nut 1
Dynamic pin 2,2 upper end of roller bolt passes through three-dimensional force transducer 4, and fixing piece 6 is arranged in upper end, and fixing piece uses in the utility model
Hex nut；Bushing 9 is provided on nut 1, suit calibration axis 10 in bushing 9 is demarcated on axis 10 and bushing 9 and is provided with position weight
The hole of conjunction, the hole that 2 lower end of roller bolt passes through on bushing 9 is protruded into calibration 10 hole of axis, for simulating connecing for roller bolt 2 and screw rod
Touching.End cap 5 is provided on nut 1, three-dimensional force transducer 4 is fitted in sensor mounting groove 11 by end cap 5, three-dimensional force transducer
Plain washer 8 is provided between 4 upper surfaces and hex nut 6.Step surface 21 is provided on roller bolt 2, the step surface 21 and three-dimensional
The cooperation of 4 lower surface of force snesor, is additionally provided with flat between the step surface 21 of roller bolt 2 and the lower surface of three-dimensional force transducer 4
Washer 3.When calibration, screw rod is replaced using calibration axis 10, after calibration, calibration axis 10 is removed, nut 1 is mounted on screw rod
On.
When installation, plain washer 3 is attached on roller bolt 2, encounters the step surface 21 of roller bolt 2.Three-dimensional force transducer 4 is attached to
On roller bolt 2, it is reloaded into plain washer 8,2 upper end of roller bolt is connected with hex nut 6 and fixes.Bushing 9 is packed into feed screw nut 1, rolling
Dynamic 2 component of pin is fitted into feed screw nut 1, is packed into end cap 5, is fixed with four dormant bolts 7.
Three-dimensional force transducer 4 is ICP piezoelectric transducer, is connected to Data collection and signal analysis instrument with Special cable wire
Input terminal, acquisition are connected to computer with signal analyzer, and the data collection and analysis software on computer can record in real time to be adopted
The force data collected.
Since installation site of the three-dimensional force transducer 4 on roller bolt 2 is not the stress point of roller bolt 2, therefore sensor needs
It re-scales.Apply load xi (KN) to calibration axis 10, the data yi that record data collection and analysis software is read finds out it
Between relationship, yi=f (xi) inputs functional relation obtained by calibrating in software, and the data that hereafter software is read are exactly
The stress size of roller bolt 2.The above operation only demarcated the X of three-dimensional force transducer 4 to power, by 90 degree of sensor rotation, together
Sample operation, can calibrate the power relationship of Y-direction, Z-direction does not need to demarcate.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. the device of roller bolt three received strength in a kind of measurement feed screw nut, it is characterised in that: including feed screw nut, feed screw nut
On be fixedly installed three-dimensional force transducer, be provided with roller bolt in nut, roller bolt upper end pass through washer, three-dimensional force transducer and
Washer, and fixing piece is set in upper end；Bushing is provided on nut, suit calibration axis, demarcates on axis and bushing and be arranged in bushing
The hole for having position to be overlapped, the hole that roller bolt lower end passes through on bushing are protruded into the hole of calibration axis；End cap is provided on feed screw nut,
Three-dimensional force transducer is fitted in sensor mounting groove by end cap.
2. the device of roller bolt three received strength in a kind of measurement feed screw nut according to claim 1, it is characterised in that: rolling
It is provided with step surface on dynamic pin, the step surface and three-dimensional force transducer lower surface cooperate.
3. the device of roller bolt three received strength in a kind of measurement feed screw nut according to claim 2, it is characterised in that:
Plain washer is additionally provided between the step surface of roller bolt and the lower surface of three-dimensional force transducer.
4. the device of roller bolt three received strength in a kind of measurement feed screw nut according to claim 1, it is characterised in that: three
Plain washer is provided between force snesor upper surface and fixing piece.
5. the device of roller bolt three received strength in a kind of measurement feed screw nut according to claim 1, it is characterised in that: three
It is ICP piezoelectric transducer to force snesor.
6. the device of roller bolt three received strength in a kind of measurement feed screw nut according to claim 1, it is characterised in that: spiral shell
Sensor mounting groove is provided on mother, three-dimensional force transducer is set in the sensor mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231818.0U CN209264158U (en) | 2018-12-28 | 2018-12-28 | A kind of device measuring roller bolt three received strength in feed screw nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231818.0U CN209264158U (en) | 2018-12-28 | 2018-12-28 | A kind of device measuring roller bolt three received strength in feed screw nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264158U true CN209264158U (en) | 2019-08-16 |
Family
ID=67583550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822231818.0U Active CN209264158U (en) | 2018-12-28 | 2018-12-28 | A kind of device measuring roller bolt three received strength in feed screw nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209264158U (en) |
-
2018
- 2018-12-28 CN CN201822231818.0U patent/CN209264158U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111351423A (en) | Flange connecting bolt looseness monitoring method | |
| CN202562431U (en) | Micrometric displacement measurement device | |
| CN203772258U (en) | Tower barrel comprehensive monitoring device for wind turbine generator | |
| CN101832895A (en) | Visual tensile testing system | |
| CN103163016A (en) | Auxiliary device for carrying out axial tension test on quasi brittle materials | |
| CN103808394B (en) | A kind of check weighing structure and the crop dryer comprising this structure of crop dryer | |
| CN204128480U (en) | A kind of aircraft horizontal tail angular displacement sensor detecting device | |
| CN202210007U (en) | Experiment device for measuring thread pretightening torque coefficients | |
| CN203349779U (en) | Strain-type displacement sensor and elevator brake having same | |
| CN202304740U (en) | Tooling for calibrating pull rod type displacement sensor | |
| CN103900496A (en) | Connecting rod type agricultural machine wheel turning angle measuring mechanism and measuring method | |
| CN207408231U (en) | Wireless subgrade and pavement rebound deflection test system | |
| CN105628280A (en) | Integrated transmission device strain gage force measurement supporting seat for armored vehicle | |
| CN205981083U (en) | Multi -functional detecting system based on eddy current displacement sensor | |
| CN103196493B (en) | The measurement mechanism of a kind of microscale torsional angle and moment of torsion and measuring method | |
| CN209264158U (en) | A kind of device measuring roller bolt three received strength in feed screw nut | |
| CN103575201A (en) | Linear displacement sensor for measuring exhaust pipe swinging angle in rocket engine flight simulation test | |
| CN100485349C (en) | Portable detection device for detecting operation force-corner detector of vehicle steering wheel | |
| CN109696261B (en) | Device for measuring stress of rolling pin in screw nut by right angle method | |
| CN207850594U (en) | Steel chord type anchor ergometer calibrating installation | |
| CN202055155U (en) | Laser inertia high-speed pavement smoothness detection instrument | |
| CN209264160U (en) | A kind of rectangularity measures the device of roller bolt stress in feed screw nut | |
| CN206648764U (en) | A kind of automobile steering gear rack force measuring device | |
| CN204731259U (en) | A kind of High-precision vehicle closing speed measuring system for car load long duration test | |
| CN210005137U (en) | Device for measuring stress of rolling pin in lead screw nut by stress ring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |