CN207197802U - The multiple spot stretching force detecting apparatus of automobile-used pull bar - Google Patents
The multiple spot stretching force detecting apparatus of automobile-used pull bar Download PDFInfo
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- CN207197802U CN207197802U CN201721078712.0U CN201721078712U CN207197802U CN 207197802 U CN207197802 U CN 207197802U CN 201721078712 U CN201721078712 U CN 201721078712U CN 207197802 U CN207197802 U CN 207197802U
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- China
- Prior art keywords
- fixed
- pull bar
- automobile
- fixed seat
- force snesor
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Abstract
The multiple spot stretching force detecting apparatus of automobile-used pull bar is the utility model is related to, drawing upwardly device connects drag hook by the first force snesor；Lower fixed frame is provided with fixed block, and fixed second force snesor on fixed block, fixed block and the second force snesor are extend into the lateral groove of fixed seat, and screw-threaded counterbore is provided with fixed seat；The upper end of pull bar is fixed on drag hook, and lower end is coordinated by screw thread to be fixed in fixed seat, and middle part is provided with foil gauge, the first force snesor, and the second force snesor and foil gauge connect controller, controller connection liquid crystal display respectively.The detection of the utility model multiple spot, upper, middle and lower contact point monitor simultaneously, record stressing conditions in real time.
Description
Technical field
Vehicular equipment detection means is the utility model is related to, particularly a kind of multiple spot detection, upper, middle and lower contact point are supervised simultaneously
Survey, the multiple spot stretching force detecting apparatus of the automobile-used pull bar of real-time record stressing conditions.
Background technology
Automobile-used pull bar is that one end is provided with drag hook, and the other end sets threaded straight-bar, is commonly used in during trailer, automobile-used pull bar
Use occasion it is special, it is high to its security requirement, using preceding needing to detect the pulling force of automobile-used pull bar.Existing inspection
Measurement equipment is mostly mechanical pull force calculation, and test point is few, it is impossible to actual conditions of the automobile-used pull bar of effective detection in stress.
Foil gauge is a kind of sensing element that the dependent variable of test specimen can be converted into resistance change.Resistance strain gage
Operation principle be to be made based on strain effect, i.e. conductor or semi-conducting material produces mechanically deform in the presence of external force
When, its resistance value changes accordingly, and this phenomenon is referred to as " strain effect ".Semiconductor gauge is with semi-conducting material system
Into, its operation principle is the piezoresistive effect based on semi-conducting material.Piezoresistive effect refer to when a certain axial direction of semi-conducting material by
When external force acts on, phenomenon that its resistivity changes.Foil gauge is to form element for measuring strain by sensitive grid etc., is made
It is pasted onto on the measuring point of component by the used time securely, and because measuring point strains after member stress, sensitive grid also deforms therewith
And its resistance is changed, then its resistance variations size is measured by instrumentation, and be converted to the strain value of measuring point.Metal electricity
Resistance foil gauge common are wire form resistance strain gage and foil resistance foil gauge.Foil resistance foil gauge is a kind of based on strain --
Made of electricresistance effect, by the use of metal foil as sensitive grid, the dependent variable of test specimen can be converted into the sensitivity of resistance change
Element.
Need a kind of detection of multiple spot, upper, middle and lower contact point at the same monitor, the automobile-used pull bar of record stressing conditions is more in real time
Point stretching force detecting apparatus.
Utility model content
The purpose of this utility model is to provide a kind of multiple spot detection, upper, middle and lower contact point while monitors, records stress in real time
The multiple spot stretching force detecting apparatus of the automobile-used pull bar of situation.
The multiple spot stretching force detecting apparatus of automobile-used pull bar, including：
Drawing upwardly device, the drawing upwardly device connect drag hook by the first force snesor；
Lower fixed frame, the lower fixed frame are provided with fixed block, fixed second force snesor on the fixed block, described
Fixed block and the second force snesor are extend into the lateral groove of fixed seat, and screw-threaded counterbore is provided with the fixed seat；
Pull bar, the upper end of the pull bar are fixed on drag hook, and lower end is coordinated by screw thread to be fixed in fixed seat, and middle part is set
There are foil gauge, first force snesor, the second force snesor and foil gauge connect controller respectively, and the controller connects liquid
Crystal display.
Conversion head is provided between the fixed seat and pull bar, the conversion head is cylindrical shape, and bottom is provided with external screw thread, fixed
In fixed seat, top is provided with internal thread, steady brace.
The fixed seat is provided with multiple screw-threaded counterbores, and the angle of the screw-threaded counterbore and horizontal plane is unequal.
The fixed seat grooves of both sides mirror image each other, places fixed block and the second force snesor to be I-shaped respectively.
The drawing upwardly device is hydraulic lift.
The drawing upwardly device connects with controller.
The utility model drawing upwardly device connects drag hook by the first force snesor；Lower fixed frame is provided with fixed block, fixed
Fixed second force snesor on block, fixed block and the second force snesor are extend into the lateral groove of fixed seat, in fixed seat
Provided with screw-threaded counterbore；The upper end of pull bar is fixed on drag hook, and lower end is coordinated by screw thread to be fixed in fixed seat, and middle part is provided with should
Become piece, the first force snesor, the second force snesor and foil gauge connect controller, controller connection liquid crystal display respectively.Draw
The top of bar is fixed by linking up with, and bottom is threadedly secured in fixed seat, and fixed seat is spacing by fixed block, fixed block and
Fixed seat clamps the second force snesor.When drawing upwardly device pulls up, the first force snesor, the second force snesor and foil gauge respectively will
The force signal detected sends controller to, and controller connects with liquid crystal display, and liquid crystal display plays reciprocation, setting
Signal, and show testing result, there is provided the foundation of detection and analysis.The detection of the utility model multiple spot, upper, middle and lower contact point are supervised simultaneously
Survey, record stressing conditions in real time.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the right line of vision schematic diagram of the utility model fixed seat and conversion head；
In figure：1st, drawing upwardly device, the 2, first force snesor, 3, drag hook, 4, lower fixed frame, 5, fixed block, the 6, second power passes
Sensor, 7, fixed seat, 8, conversion head, 9, foil gauge, 10, controller, 11, liquid crystal display, 12, pull bar.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1：
The multiple spot stretching force detecting apparatus of automobile-used pull bar, including：Drawing upwardly device 1, drawing upwardly device 1 pass through the first force snesor 2
Connect drag hook 3；Lower fixed frame 4, lower fixed frame 4 are provided with fixed block 5, fixed second force snesor 6 on fixed block 5, fixed
The force snesor 6 of block 5 and second is extend into the lateral groove of fixed seat 7, and screw-threaded counterbore is provided with fixed seat 7；Pull bar 12, pull bar
12 upper end is fixed on drag hook 3, and lower end is coordinated by screw thread to be fixed in fixed seat 7, and middle part is provided with foil gauge 9, the first power
Sensor 2, the second force snesor 6 and foil gauge 9 connect controller 10 respectively, and controller 10 connects liquid crystal display 11.
Conversion head 8 is provided between fixed seat 7 and pull bar 12, conversion head 8 is cylindrical shape, and bottom is provided with external screw thread, is fixed on
In fixed seat 7, top is provided with internal thread, steady brace 12.Fixed seat 7 is provided with multiple screw-threaded counterbores, screw-threaded counterbore and level
The angle in face is unequal.Fixed seat 7 grooves of both sides mirror image each other, places the power of fixed block 5 and second sensing to be I-shaped respectively
Device 6.Drawing upwardly device 1 is hydraulic lift.Drawing upwardly device 1 and controller 10 connect.
The top of pull bar 12 is fixed by hook 3, and bottom is threadedly secured in fixed seat 7, and fixed seat 7 passes through fixation
Block 5 is spacing, and fixed block 5 and fixed seat 7 clamp the second force snesor 6.When drawing upwardly device 1 pulls up, the first force snesor 2, second
Force snesor 6 and foil gauge 9 send the force signal detected to controller 10 respectively, and controller 10 and liquid crystal display 11 connect
Connect, liquid crystal display 11 plays reciprocation, setting signal, and shows testing result, there is provided the foundation of detection and analysis.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the spirit and scope of the utility model is not departed from the utility model also have various change and
Improve, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model requires protection scope by
Appended claims and its equivalent define.
Claims (6)
1. the multiple spot stretching force detecting apparatus of automobile-used pull bar, it is characterised in that including：
Drawing upwardly device (1), the drawing upwardly device (1) connect drag hook (3) by the first force snesor (2)；
Lower fixed frame (4), the lower fixed frame (4) are provided with fixed block (5), and fixed second power passes on the fixed block (5)
Sensor (6), the fixed block (5) and the second force snesor (6) are extend into the lateral groove of fixed seat (7), the fixed seat
(7) screw-threaded counterbore is provided with；
Pull bar (12), the upper end of the pull bar (12) are fixed on drag hook (3), and lower end is coordinated by screw thread is fixed on fixed seat
(7) on, middle part is provided with foil gauge (9), and first force snesor (2), the second force snesor (6) and foil gauge (9) connect respectively
Connect controller (10), controller (10) the connection liquid crystal display (11).
2. the multiple spot stretching force detecting apparatus of automobile-used pull bar according to claim 1, it is characterised in that the fixed seat (7)
Conversion head (8) is provided between pull bar (12), the conversion head (8) is cylindrical shape, and bottom is provided with external screw thread, is fixed on fixed seat
(7) on, top is provided with internal thread, steady brace (12).
3. the multiple spot stretching force detecting apparatus of automobile-used pull bar according to claim 1, it is characterised in that the fixed seat (7)
It is provided with multiple screw-threaded counterbores, the angle of the screw-threaded counterbore and horizontal plane is unequal.
4. the multiple spot stretching force detecting apparatus of automobile-used pull bar according to claim 1, it is characterised in that the fixed seat (7)
To be I-shaped, the grooves of both sides mirror image each other, fixed block (5) and the second force snesor (6) are placed respectively.
5. the multiple spot stretching force detecting apparatus of automobile-used pull bar according to claim 1, it is characterised in that the drawing upwardly device
(1) it is hydraulic lift.
6. the multiple spot stretching force detecting apparatus of automobile-used pull bar according to claim 1, it is characterised in that the drawing upwardly device
(1) connected with controller (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078712.0U CN207197802U (en) | 2017-08-25 | 2017-08-25 | The multiple spot stretching force detecting apparatus of automobile-used pull bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078712.0U CN207197802U (en) | 2017-08-25 | 2017-08-25 | The multiple spot stretching force detecting apparatus of automobile-used pull bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207197802U true CN207197802U (en) | 2018-04-06 |
Family
ID=61795464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721078712.0U Active CN207197802U (en) | 2017-08-25 | 2017-08-25 | The multiple spot stretching force detecting apparatus of automobile-used pull bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207197802U (en) |
-
2017
- 2017-08-25 CN CN201721078712.0U patent/CN207197802U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201906, 518, two, Baoshan District Road, Shanghai Patentee after: Shanghai Baoshan continental Auto Parts Co., Ltd Address before: 201906, 518, two, Baoshan District Road, Shanghai Patentee before: SHANGHAI BAOSHAN DALU AUTO PARTS Co.,Ltd. |