CN-121475535-B - Dynamic balance detection equipment for turbine rotor of automobile supercharger

CN121475535BCN 121475535 BCN121475535 BCN 121475535BCN-121475535-B

Abstract

The invention discloses dynamic balance detection equipment for a turbine rotor of an automobile supercharger, which is used for carrying out dynamic balance detection on the turbine rotor and comprises a casing, a driving system, a supporting structure, a mounting structure and a detection structure, wherein the driving system is arranged on the casing and connected with the turbine rotor for driving the turbine rotor, the supporting structure is arranged on the casing and used for supporting the turbine rotor, the mounting structure is detachably arranged on the supporting structure, and the detection structure is arranged on the mounting structure.

Inventors

LIU JIHAO
YANG QING
ZHAO MINGWEI
XU JIN

Assignees

凤城太平洋神龙增压器有限公司

Dates

Publication Date: 20260508
Application Date: 20260109

Claims (7)

1. An automobile supercharger turbine rotor dynamic balance detection device for carrying out dynamic balance detection on a turbine rotor, which is characterized by comprising: A housing; the driving system is arranged on the shell, connected with the turbine rotor and used for driving the turbine rotor; the bearing structure is arranged on the shell and used for bearing the turbine rotor; The mounting structure is detachably mounted on the bearing structure; The detection structure is mounted on the mounting structure; The bearing structure and the mounting structure are slidably provided with a plurality of adjusting assemblies, the adjusting assemblies are circumferentially distributed outside the turbine rotor, and the adjusting assemblies are abutted against the turbine rotor; The detection structure is provided with a sliding piece, and the sliding piece is slidably abutted against the turbine rotor so as to detect the dynamic balance state of the turbine rotor; the adjusting assembly comprises an adjusting sliding rail, an adjusting sliding block, an adjusting piece and a contact roller; The adjusting slide rail is detachably arranged on the mounting structure, the adjusting slide block is slidably assembled on the adjusting slide rail, the adjusting piece is assembled on the adjusting slide rail, the adjusting slide block is in transmission connection with the adjusting piece, the contact roller is rotatably arranged on the adjusting slide block, and the contact roller is abutted to the turbine rotor; the bearing structure comprises a bearing base, a bearing clamping groove and a pair of fastening components; The bearing base is arranged on the shell, a bearing clamping groove is formed in the bearing base, and a pair of fastening assemblies are symmetrically arranged on the bearing base; the mounting structure comprises a mounting base and a pair of connecting seats, wherein the connecting seats are symmetrically arranged on two sides of the mounting base; wherein, a pair of the fastening components are respectively connected with a pair of the connecting seats so as to connect the mounting base and the bearing base; The detection structure comprises a detection base, a sliding piece, a magnetic flux detector and a balance assembly; The detection base is arranged on the installation base, the sliding piece is slidably assembled on the detection base, the detection magnet is arranged on the sliding piece, the magnetic flux detector is arranged at the end part of the detection base, which is away from the sliding piece, and the balance component is connected with the detection base and used for balancing the positions of the sliding piece and the detection base; The magnetic flux passing through the magnetic flux detector is changed according to the retracting and ejecting distance and the retracting and ejecting frequency of the detection magnet, and the magnetic flux change detected by the magnetic flux detector is quantized into a vibration frequency and a vibration amplitude.
2. The device for detecting dynamic balance of a turbocharger turbine rotor according to claim 1, wherein the mounting base and the support base are respectively provided with a plurality of mounting grooves, and the plurality of adjusting slide rails of the adjusting assembly are respectively arranged corresponding to the plurality of mounting grooves.
3. The apparatus of claim 2, wherein the fastening assembly comprises a fastener and a connector; The fastener is arranged on the bearing base, the connecting piece is slidably arranged on the fastener, and the connecting piece is detachably connected with the connecting block.
4. The apparatus according to claim 3, wherein the sliding member includes a piston portion and a sliding portion, the piston portion is connected to the sliding portion, the detection base has a sliding groove therein, and the piston portion is fitted to the sliding groove; The piston part is provided with an embedded groove, the detection magnet is embedded in the embedded groove, and the embedded groove is provided with a sealing piece for limiting the detection magnet.
5. The apparatus for dynamic balance detection of a turbocharger turbine rotor of an automobile according to claim 4, wherein the balance assembly comprises a balance container, a connecting pipe, and a reset member; The balance container is arranged on the detection base, the reset piece is embedded in the balance container, a reset piston is arranged in the balance container, the connecting pipeline is communicated with the inner cavity of the balance container and the inner cavity of the detection base, and the reset piece is abutted to the reset piston so that the sliding piece is abutted to the turbine rotor.
6. The device for detecting dynamic balance of a turbine rotor of an automobile supercharger of claim 5 wherein the number of the detecting structures is plural, and the detecting structures are uniformly distributed on the detecting base.
7. The device for detecting dynamic balance of a turbine rotor of an automobile supercharger of claim 6, further comprising a man-machine interaction module, wherein the man-machine interaction module is mounted on the housing and is connected with a plurality of detection structures.

Description

Dynamic balance detection equipment for turbine rotor of automobile supercharger Technical Field The invention relates to the technical field of dynamic balance detection, in particular to a device for detecting dynamic balance of a turbine rotor of an automobile supercharger. Background The automobile supercharger is a device for increasing the air inlet pressure of a cylinder, a turbine is an important component part in the automobile supercharger, and a turbine rotor pumps external air into an engine after supercharging through rotation in a volute so as to improve the density of the air, so that more air is filled into the cylinder, and the power of the engine is increased. The dynamic balance detection of the turbine rotor of the automobile supercharger is a core link for guaranteeing the efficient and safe operation of the engine. When the rotor rotates at a high speed, the eccentric of the tiny mass can generate huge centrifugal force, so that bearing abrasion, sealing failure and potential safety hazard are caused, vibration and noise can be reduced through dynamic balance, the fuel efficiency is improved, the service life of the supercharger is prolonged, and the maintenance cost is reduced. The dynamic balance detection process of the turbine rotor of the automobile supercharger comprises the steps of mounting the rotor to a supporting system, starting a driving system to a target rotating speed, measuring vibration signals through a sensor, calculating the phase and amplitude of unbalance, carrying out multi-rotating speed and multi-plane correction by adopting an influence coefficient method or a vibration type balancing method, combining counter weights or de-weights to adjust mass distribution, and finally verifying whether residual unbalance accords with international standards or not, so that the specific unbalance is ensured to be controlled within an allowable range. The turbine rotor dynamic balance detection equipment at present is mostly full-automatic or semi-automatic, mainly by braced system, measurement system, actuating system, control system, auxiliary system are constituteed, traditional turbine rotor dynamic balance detection equipment is in order to simulate the rotation process of rotor, not only need the actuating system to be connected to the pivot, but also need pivot butt measurement system, but different pivot specifications are different, in order to adapt the turbine rotor of different models, need use the frequent frock of changing of different measurement system adaptations, consuming time is laborious, and the reset of the detector of detection vibrations only relies on single means such as spring generally, the reset is slower, the problem of precision is not good is produced easily, in view of this, intensive research to above-mentioned problem has the case to produce. Disclosure of Invention Aiming at the defects of the prior art, the invention provides the dynamic balance detection equipment for the turbine rotor of the automobile supercharger, and solves the problems of the prior background technology. In order to achieve the purpose, the invention is realized by the following technical scheme that the dynamic balance detection equipment for the turbine rotor of the automobile supercharger is used for carrying out dynamic balance detection on the turbine rotor and comprises the following steps: A housing; the driving system is arranged on the shell, connected with the turbine rotor and used for driving the turbine rotor; the bearing structure is arranged on the shell and used for bearing the turbine rotor; The mounting structure is detachably mounted on the bearing structure; The detection structure is mounted on the mounting structure; The bearing structure and the mounting structure are arranged opposite to each other, a plurality of adjusting assemblies are slidably arranged on the bearing structure and the mounting structure, the adjusting assemblies are circumferentially distributed outside the turbine rotor, and the adjusting assemblies are abutted to the turbine rotor; The detection structure is provided with a sliding piece, and the sliding piece is in sliding contact with the turbine rotor to detect the dynamic balance state of the turbine rotor. In some embodiments, the adjustment assembly includes an adjustment slide, an adjustment slider, an adjustment member, and a contact roller; The adjusting slide rail is detachably mounted on the mounting structure, the adjusting slide block is slidably assembled on the adjusting slide rail, the adjusting piece is assembled on the adjusting slide rail, the adjusting slide block is in transmission connection with the adjusting piece, the contact roller is rotatably mounted on the adjusting slide block, and the contact roller is in butt joint with the turbine rotor. In some embodiments, the support structure comprises a support base, a support channel, and a pair of fastening components; The bearing base is arrang