CN221171572U - Sensor mounting bracket and test system - Google Patents

Abstract

The utility model relates to the technical field of engine testing and discloses a sensor mounting bracket and a testing system. The sensor mounting bracket disclosed by the utility model can avoid interference of the sensor mounting bracket on the magnetic attraction type sensor.

Description

Sensor mounting bracket and test system

Technical Field

The utility model relates to the technical field of engine testing, in particular to a sensor mounting bracket and a testing system.

Background

In the production process of an engine, in order to ensure the manufacturing quality, engine tests are generally performed after the assembly is completed, and are generally classified into a hot test type and a cold test type. In the engine test, besides the conventional performance index, fault diagnosis is also an important link, and the engine is in fault and is generally accompanied by noise, namely abnormal sound. Accordingly, vibration Noise (NVH) testing based on abnormal sound monitoring is also being adopted by more and more manufacturers.

The current mainstream test sensor comprises a contact type vibration sensor and a non-contact type noise sensor, and the vibration sensor is divided into a thimble type, a magnetic attraction type, a glue bonding type, a threaded connection type and other types according to the installation modes. For the magnetic sensor, after the magnetic sensor is installed, the existing installation structure has more interference on the magnetic sensor in the testing process of the magnetic sensor, so that the testing result is influenced.

Disclosure of utility model

The utility model provides a sensor mounting bracket and a testing system, which can avoid interference of the sensor mounting bracket on a magnetic attraction type sensor.

In a first aspect, the utility model provides a sensor mounting bracket, comprising a mounting base, a sliding rail, a sliding block and an elastic resetting piece;

the sliding rail is connected to the mounting base;

the sliding block is used for installing a magnetic sensor and is installed on the sliding rail, and the sliding block can move along the extending direction of the sliding rail relative to the sliding rail;

One end of the elastic resetting piece is connected to the mounting base, the other end of the elastic resetting piece is connected to the sliding block, and the elastic resetting piece is used for deforming and generating elastic resetting force for resetting the sliding block when the sliding block moves relative to the sliding rail.

According to the sensor mounting bracket provided by the utility model, the magnetic sensor is mounted on the sliding block, when the driving device drives the sensor mounting bracket to move so as to drive the magnetic sensor to move towards the surface of a test product, the magnetic sensor is applied with reverse acting force by the product surface when the magnetic sensor contacts the product surface, and at the moment, the sliding block can move away from the product surface, so that the magnetic sensor is prevented from violent collision with the product surface. In the process, the elastic reset piece can be used for absorbing the acting force of the surface of the product to the sensor mounting bracket and ensuring that the magnetic sensor keeps contact with the surface of the product, so that the work can be normally completed, and the interference of the sensor mounting bracket to the work of the magnetic sensor is avoided.

In some possible embodiments, a limiting component for limiting the movement of the sliding block relative to the sliding rail is arranged at one end of the sliding rail away from the mounting base, and the elastic reset piece is in a compressed state when the sliding block abuts against the limiting component.

In some possible embodiments, the stop member is a stop screw, the stop screw being secured to the slide rail.

In some possible embodiments, when the magnetic sensor is mounted on the slider and the slider abuts against the limiting member, an end of the magnetic sensor protrudes from an end of the slide rail away from the mounting base.

In some possible embodiments, the sliding block is sleeved on the sliding rail, and the sliding rail has a square structure.

In some possible embodiments, the elastic restoring member is a spring, and the spring is sleeved on the sliding rail.

In some possible embodiments, the mounting base is provided with a mounting station through which the mounting base is connected to the drive device.

In a second aspect, the present utility model provides a test system comprising a magnetically attractable sensor, a drive arrangement and a sensor mounting bracket as described in any one of the possible embodiments of the first aspect;

The magnetic sensor is arranged on the sliding block of the sensor mounting bracket;

The driving device is connected with the mounting base of the sensor mounting bracket and is used for driving the sensor mounting bracket to move towards or away from a test product so that the magnetic sensor is in contact with or out of contact with the surface of the test product.

Drawings

FIG. 1 is a schematic view of a sensor mounting bracket according to an embodiment of the present utility model.

In the figure:

1-mounting a base; 2-an elastic restoring member; 3-sliding rails; 4-a slider; 5-a limiting component; 6-magnetic attraction type sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a sensor mounting bracket in an embodiment of the present utility model includes a mounting base 1, a sliding rail 3, a sliding block 4, and an elastic restoring member 2, where one end of the sliding rail 3 is fixedly connected to the mounting base 1. The slider 4 is installed on the slide rail 3 to can move along the extending direction of slide rail 3 relative to the slide rail 3, the one end fixed connection of elastic restoring element 2 is in installation base 1, and the other end fixed connection is in slider 4. When the slide 4 moves relative to the slide rail 3, the elastic restoring element 2 can be deformed and in the process generate an elastic restoring force, which serves to restore the slide 4.

In this embodiment, the magnetic sensor 6 is mounted on the slider 4, and when the driving device drives the sensor mounting bracket to move so as to drive the magnetic sensor 6 to move towards the surface of the test product, the product surface gives the magnetic sensor 6a reverse acting force when the magnetic sensor 6 contacts the product surface, and at this time, the slider 4 can move away from the product surface, thereby avoiding the violent collision between the magnetic sensor 6 and the product surface. In the process, the elastic reset piece 2 can be used for absorbing the acting force of the surface of a product on the sensor mounting bracket and ensuring that the magnetic sensor 6 keeps contact with the surface of the product, so that the work can be normally completed, and the interference of the sensor mounting bracket on the work of the magnetic sensor 6 is avoided.

As shown in fig. 1, a limiting component 5 is disposed at one end of the sliding rail 3 away from the mounting base 1, the limiting component 5 can be used for limiting the travel of the sliding block 4 relative to the sliding rail 3, and when the sliding block 4 abuts against the limiting component 5, the elastic reset piece 2 is in a compressed state. It will be appreciated that the sensor mounting bracket of the present embodiment, when the slider 4 is in position, the spacing member 5 is used to secure the slider 4. When the magnetic attraction sensor 6 contacts the surface of the test product, the sliding block 4 cannot continuously move towards the surface of the test product under the combined action of the sliding block 4 and the limiting part 5, so that strong magnetic attraction is prevented from generating violent collision when the magnetic attraction sensor 6 approaches the surface of the test product.

After the test is completed, the sensor mounting bracket may be driven to move away from the surface of the test product, during which the slider 4 moves towards the limiting member 5. When the sliding block 4 is abutted with the limiting component 5, the sliding block 4 does not move relative to the sliding rail 3 any more when the sensor mounting bracket continues to move away from the surface of the product, and at this time, the magnetic attraction type sensor 6 can be conveniently separated from the surface of the test product.

In addition, when the sensor mounting bracket drives the magnetic sensor 6 to move, if the actual moving stroke of the sensor mounting bracket is different from the preset moving stroke, the actual moving stroke is larger than the preset moving stroke, and at this time, the elastic reset piece 2 can be further compressed, so as to drive the sliding block 4 to move away from the limiting component 5. In this way, a violent collision between the magnetic attraction sensor 6 and the surface of the test product can still be avoided.

As an embodiment, the limiting member 5 may be a limiting screw, which may be fixed to the slide rail 3. Through designing limiting part 5 as the limit screw, simple structure still is convenient for save the cost.

In this embodiment, when slider 4 and stop part 5 butt time, the tip of magnetic attraction type sensor 6 stands out in the tip that slide rail 3 kept away from installation base 1, like this, when the sensor installing support drove magnetic attraction type sensor 6 and removed, can guarantee that magnetic attraction type sensor 6 can with product surface contact. And, when the sensor mounting bracket is driven to move by the driving device, the extending direction of the sliding rail 3 should be consistent with the arrangement direction of the magnetic attraction sensor 6 and the surface of the test product, so that the sliding block 4 can move relative to the sliding rail 3 in the process of contacting the magnetic attraction sensor 6 with the surface of the test product.

With continued reference to fig. 1, the elastic restoring member 2 may be a spring, which is sleeved on the surface of the sliding rail 3. In the process of deformation of the spring, the sliding rail 3 can limit the elastic deformation direction, so that the even stress of the sliding block 4 is ensured.

As an implementation manner, the sliding block 4 is sleeved on the sliding rail 3, and the sliding rail 3 has a square structure. When the sliding block 4 moves relative to the sliding rail 3, the sliding rail 3 with the square structure can limit the sliding block 4 to rotate relative to the sliding rail 3, so that the relative position between the magnetic attraction sensor 6 and the sliding rail 3 can be prevented from being changed. For a multi-directional acquisition sensor, the consistency of each acquisition direction can be ensured.

Furthermore, the mounting base 1 can also be provided with a mounting station, so that the mounting base 1 can be connected with the drive device via the mounting station. Illustratively, the mounting station may be provided with bolt holes, and the mounting base 1 is bolted to the drive means.

Based on the same inventive concept, the present utility model may also provide a test system, which may include a magnetic attraction sensor 6, a driving device, and a sensor mounting bracket as described in the embodiments of the present utility model, wherein the magnetic attraction sensor 6 is mounted on a slider 4 of the sensor mounting bracket. The drive means is connected to the mounting base 1 of the sensor mounting bracket for driving the sensor mounting bracket to move towards or away from the test product so as to bring the magnetically attractable sensor 6 into or out of contact with the surface of the test product.

It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. The sensor mounting bracket is characterized by comprising a mounting base, a sliding rail, a sliding block and an elastic resetting piece;

the sliding rail is connected to the mounting base;

the sliding block is used for installing a magnetic sensor and is installed on the sliding rail, and the sliding block can move along the extending direction of the sliding rail relative to the sliding rail;

One end of the elastic reset piece is connected with the mounting base, the other end of the elastic reset piece is connected with the sliding block, and the elastic reset piece is used for deforming and generating an elastic reset force for resetting the sliding block when the sliding block moves relative to the sliding rail;

the sliding block is sleeved on the sliding rail, and the sliding rail is of a square structure.

2. The sensor mounting bracket of claim 1, wherein a stop member for limiting movement of the slider relative to the mounting base is provided at an end of the slider remote from the mounting base, and the resilient return member is in a compressed state when the slider abuts the stop member.

3. The sensor mounting bracket of claim 2, wherein the limit member is a limit screw, the limit screw being secured to the slide rail.

4. The sensor mounting bracket of claim 2, wherein when the magnetic sensor is mounted to the slider and the slider is in abutment with the spacing member, an end of the magnetic sensor protrudes from an end of the slide rail remote from the mounting base.

5. The sensor mounting bracket of claim 1, wherein the resilient return member is a spring that is nested within the slide rail.

6. The sensor mounting bracket of claim 1, wherein the mounting base is provided with a mounting station through which the mounting base is connected to a drive device.

7. A test system comprising a magnetically attractable sensor, a drive means and a sensor mounting bracket according to any one of claims 1 to 6;

The magnetic sensor is arranged on the sliding block of the sensor mounting bracket;

The driving device is connected with the mounting base of the sensor mounting bracket and is used for driving the sensor mounting bracket to move towards or away from a test product so that the magnetic sensor is in contact with or out of contact with the surface of the test product.