CN215296670U - A vibration sensor interfacing apparatus for test of rolling off production line - Google Patents
A vibration sensor interfacing apparatus for test of rolling off production line Download PDFInfo
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- CN215296670U CN215296670U CN202120381312.7U CN202120381312U CN215296670U CN 215296670 U CN215296670 U CN 215296670U CN 202120381312 U CN202120381312 U CN 202120381312U CN 215296670 U CN215296670 U CN 215296670U
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- mounting seat
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- spring
- seat
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Abstract
A vibration sensor docking device for offline testing is characterized in that docking with the surface of a tested piece is achieved through pushing of a cylinder piston rod, a mounting seat (1) is arranged at the end of the cylinder piston rod, wave springs (2) are symmetrically arranged on the mounting seat (1), a spring seat (3) and a sensor mounting seat (4) are arranged at the other end of each spring, and a vibration sensor is arranged on the sensor mounting seat (4); the vibration sensor butt joint device is pushed to a dead gear by a cylinder piston rod, and then the contact between the sensor mounting seat and the surface of a measured piece is established according to the elastic force of the wave spring (2). The utility model discloses a vibration sensor interfacing apparatus for test of being qualified for next round of competitions, through the structure and the corresponding action structure that set up for vibration sensor only presses at surveyed a surface with certain pressure through wave spring, thereby the accuracy ization compresses tightly position and packing force, guarantees that sensor measuring signal has higher accuracy, repeatability, uniformity.
Description
Technical Field
The utility model belongs to the automatic test rack field of unloading of all kinds of power or drive disk assembly of automotive industry, concretely relates to vibration sensor interfacing apparatus for test of unloading.
Background
In the field of automated test benches, NVH testing is a very common test method, and vibration sensors are used as input conditions for the analysis of this test, and piezoelectric acceleration sensors are widely used at present, which must be reliably fixed on a tested piece to ensure the accuracy of sampling.
The butt joint action among the prior art generally uses the cylinder drive, and after the cylinder butt joint targets in place (promptly sensor mount pad contact measured face), through piston locking Assembly with piston position fixed, the elastomer of setting can take place compression deformation under the effect of cylinder thrust to keep compressing tightly to the measured piece after the cylinder removes thrust. On one hand, the pressing force is completely provided by the air cylinder, and the pressing force of each test has larger difference due to poorer air pressure stability, so that the test repeatability is influenced; the elastomer is generally made of rubber materials with lower hardness, so that the service life is lower; in addition, the sensor is not protected by a hard shell, and the risk of being punctured and damaged by sharp objects exists.
The application numbers are: 201210490082.3, discloses a dead-shift adjusting device, comprising:
a console; the dead gear is arranged on the console and can move through adjustment; the adjusting nut is fixed on the console, is connected with the dead gear and adjusts the dead gear; the cylinder is fixed on the console and is arranged opposite to the dead gear; the welding device comprises a welding head and is used for welding a workpiece; the top end of the cylinder is connected with a moving part used for abutting against the dead gear, the welding device penetrates through the console and is connected with the moving part, and the welding device moves along with the moving part.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vibration sensor interfacing apparatus for test of rolling off production line, impels through cylinder piston rod and realizes the butt joint with being surveyed a surperficial, its characterized in that:
the end part of a piston rod of the cylinder is provided with a mounting seat (1),
The mounting seat (1) is symmetrically provided with wave springs (2),
A spring seat (3) and a sensor mounting seat (4) are arranged at the other end part of the spring,
The vibration sensor is arranged on the sensor mounting seat (4);
the vibration sensor butt joint device is pushed to a dead gear by a cylinder piston rod, and then the contact between the sensor mounting seat and the surface of a measured piece is established according to the elastic force of the wave spring (2).
According to the utility model discloses a vibration sensor interfacing apparatus for test of getting off production line, its characterized in that:
the wave springs (2) are at least one group which are symmetrically arranged.
According to the utility model discloses a vibration sensor interfacing apparatus for test of getting off production line, its characterized in that:
the spring seat (3) is arranged on the sensor mounting seat (4),
A damping sleeve (5) is arranged between the spring seat (3) and the vibration sensor.
According to the utility model discloses a vibration sensor interfacing apparatus for test of getting off production line, its characterized in that:
the spring seat (3) is arranged in a conical shape to play a role in centering and stabilizing the butt joint position.
According to the utility model discloses a vibration sensor interfacing apparatus for test of getting off production line, its characterized in that:
and a shell (6) is arranged on the peripheries of the mounting seat (1), the wave spring (2), the spring seat (3) and the sensor mounting seat (4).
According to the utility model discloses a vibration sensor interfacing apparatus for test of getting off production line, its characterized in that:
an adjusting stud (7) is arranged between the mounting seat (1) and the wave spring (2).
According to the utility model discloses a vibration sensor interfacing apparatus for test of getting off production line, its characterized in that:
the sensor mounting seat (4) is made of insulating wear-resistant materials.
The utility model discloses a vibration sensor interfacing apparatus for off-line test, through the structure that sets up and corresponding action structure, make the vibration sensor only press on the surface of measured piece through wave spring with certain pressure, thus the accurate position and packing force that compress tightly guarantee the fixing of relative position between sensor and the measured piece; meanwhile, a part is arranged on the structure, and the spring seat is connected with the sensor through a damping sleeve, so that the influence of the internal arrangement on the accuracy of the sensor is reduced; the spring seat is arranged in a conical form, so that a centering effect is achieved, and the butt joint position is ensured to be fixed; the arranged shell can play the roles of restraining the wave spring and protecting internal parts such as the sensor and the like; the adjusting stud arranged in the spring seat can play a role in fine adjustment of the installation elasticity of the wave spring, so that the wave spring meets the installation standard.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, the position of the upper end of the main shaft,
1-mounting a base;
2-wave spring;
3-a spring seat;
4-a sensor mount;
5-damping sleeve;
6-a housing;
7-adjusting the stud.
Detailed Description
Next, a vibration sensor docking apparatus for offline testing according to the present invention will be described in further detail with reference to the drawings and embodiments of the specification.
The vibration sensor docking device for the offline test shown in fig. 1 is docked with the surface of a tested piece through the pushing of a piston rod of a cylinder,
the end part of a piston rod of the cylinder is provided with a mounting seat (1),
The mounting seat (1) is symmetrically provided with wave springs (2),
A spring seat (3) and a sensor mounting seat (4) are arranged at the other end part of the spring,
The vibration sensor is arranged on the sensor mounting seat (4);
the vibration sensor butt joint device is pushed to a dead gear by a cylinder piston rod, and then the contact between the sensor mounting seat and the surface of a measured piece is established according to the elastic force of the wave spring (2).
Wherein the content of the first and second substances,
the wave springs (2) are at least one group which are symmetrically arranged.
Wherein the content of the first and second substances,
the spring seat (3) is arranged on the sensor mounting seat (4),
A damping sleeve (5) is arranged between the spring seat (3) and the vibration sensor.
Wherein the content of the first and second substances,
the spring seat (3) is arranged in a conical shape (so as to play a role in centering and stabilizing the butt joint position).
Wherein the content of the first and second substances,
and a shell (6) is arranged on the peripheries of the mounting seat (1), the wave spring (2), the spring seat (3) and the sensor mounting seat (4).
Wherein the content of the first and second substances,
an adjusting stud (7) is arranged between the mounting seat (1) and the wave spring (2).
Wherein the content of the first and second substances,
the sensor mounting seat (4) is made of insulating wear-resistant materials.
Working principle and embodiment
The mounting seat is fixed in on the cylinder piston rod, and the casing plays the effect of parts such as restraint wave spring and protection sensor, can adjust wave spring's installation elasticity through adjusting the double-screw bolt, and the toper spring holder plays the centering effect, can guarantee that butt joint position is fixed, and inside is together fixed through damping cover and sensor, and the sensor mounting seat uses insulating wear-resisting material to make.
During operation, the cylinder is not totally with interfacing apparatus pressure on by the survey piece, but uses the dead end to keep off the regulation cylinder and stretch out length, makes interfacing apparatus's shell apart from being surveyed the face and has certain clearance, only sensor mount pad contact by survey piece to the tapered spring seat also does not contact with the shell, is equivalent to the sensor only presses at survey piece surface with certain pressure through wave spring, consequently can guarantee sensor and by the fixed of relative position between the side piece. The control of the abutting pressing force is changed from the control of the air pressure of the air cylinder to the control of the compression stroke of the spring, so the precision is greatly improved; wherein, the spring can reach the service life of millions of times, and is greatly improved compared with a rubber elastomer; the steel shell completely protects the sensor inside, so that the pressure of the cylinder can not completely act on the sensor even if the steel shell is butted with a connector, and a sensor element can be protected from being damaged to the maximum extent. The wave spring in this embodiment may be replaced with other types of compression springs; the sensor can be mounted by screw thread or adhesive.
The utility model discloses a vibration sensor interfacing apparatus for off-line test, through the structure that sets up and corresponding action structure, make the vibration sensor only press on the surface of measured piece through wave spring with certain pressure, thus the accurate position and packing force that compress tightly guarantee the fixing of relative position between sensor and the measured piece; meanwhile, a part is arranged on the structure, and the spring seat is connected with the sensor through a damping sleeve, so that the influence of the internal arrangement on the accuracy of the sensor is reduced; the spring seat is arranged in a conical form, so that a centering effect is achieved, and the butt joint position is ensured to be fixed; the arranged shell can play the roles of restraining the wave spring and protecting internal parts such as the sensor and the like; the adjusting stud arranged in the spring seat can play a role in fine adjustment of the installation elasticity of the wave spring, so that the wave spring meets the installation standard.
Claims (7)
1. The utility model provides a vibration sensor interfacing apparatus for test of rolling off production line, impels through cylinder piston rod and realizes the butt joint with being surveyed a surperficial, its characterized in that:
the end part of a piston rod of the cylinder is provided with a mounting seat (1),
The mounting seat (1) is symmetrically provided with wave springs (2),
A spring seat (3) and a sensor mounting seat (4) are arranged at the other end part of the spring,
The vibration sensor is arranged on the sensor mounting seat (4);
the vibration sensor butt joint device is pushed to a dead gear by a cylinder piston rod, and then the contact between the sensor mounting seat and the surface of a measured piece is established according to the elastic force of the wave spring (2).
2. The vibration sensor docking device for an offline test according to claim 1, wherein:
the wave springs (2) are at least one group which are symmetrically arranged.
3. The vibration sensor docking device for an offline test according to claim 1, wherein:
the spring seat (3) is arranged on the sensor mounting seat (4),
A damping sleeve (5) is arranged between the spring seat (3) and the vibration sensor.
4. The vibration sensor docking device for an offline test according to claim 1, wherein:
the spring seat (3) is arranged in a conical shape to play a role in centering and stabilizing the butt joint position.
5. The vibration sensor docking device for an offline test according to claim 1, wherein:
and a shell (6) is arranged on the peripheries of the mounting seat (1), the wave spring (2), the spring seat (3) and the sensor mounting seat (4).
6. The vibration sensor docking device for an offline test according to claim 1, wherein:
an adjusting stud (7) is arranged between the mounting seat (1) and the wave spring (2).
7. The vibration sensor docking device for an offline test according to claim 1, wherein:
the sensor mounting seat (4) is made of insulating wear-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120381312.7U CN215296670U (en) | 2021-02-20 | 2021-02-20 | A vibration sensor interfacing apparatus for test of rolling off production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120381312.7U CN215296670U (en) | 2021-02-20 | 2021-02-20 | A vibration sensor interfacing apparatus for test of rolling off production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215296670U true CN215296670U (en) | 2021-12-24 |
Family
ID=79531995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120381312.7U Active CN215296670U (en) | 2021-02-20 | 2021-02-20 | A vibration sensor interfacing apparatus for test of rolling off production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215296670U (en) |
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2021
- 2021-02-20 CN CN202120381312.7U patent/CN215296670U/en active Active
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