Cold extrusion bushing hole damage detector

By designing a cold extrusion bushing hole damage detector, which uses an ultrasonic transducer and receiver to detect damage to the inner wall of the cold extrusion bushing, the problem of existing detectors being unable to detect damage effectively is solved, and accurate damage identification of the bushing interior is achieved.

CN223637450UActive Publication Date: 2025-12-05CIVIL AVIATION FLIGHT UNIV OF CHINA +1
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Patent Information

Application Number
CN202520250363.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-05
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Existing cold extrusion bushing detectors are unable to effectively detect the inside of the bushing, resulting in poor detection performance.

Method used

A cold extrusion bushing hole damage detector is designed. It uses an ultrasonic transducer and receiver in the detection mechanism to detect the inner wall of the cold extrusion bushing. The damage is detected by the reflection and refraction of ultrasonic signals, and the location of the damage is indicated to the inspector by an indicator light.

Benefits of technology

It enables effective detection of the interior of cold-extruded bushings, accurately identifies damage locations, and improves detection performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223637450U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of bushing detection, in particular to a cold extrusion bushing hole damage detector, which comprises a detection cylinder, a detection mechanism is arranged in the detection cylinder, a power plug is mounted on the outer wall of the detection cylinder, and a controller is mounted on the outer wall of the detection cylinder. The detection mechanism comprises a sliding sleeve slidably connected to the interior of the detection cylinder, an upper detection rod is fixedly connected to the position above the center of the interior of the sliding sleeve, a lower detection rod is fixedly connected to the position, below the upper detection rod, in the sliding sleeve, and an ultrasonic transducer is fixedly connected to the interior of the lower detection rod; according to the cold extrusion bushing hole damage detector, the detection mechanism in the device is used for detecting a cold extrusion bushing, and the problems that an existing cold extrusion bushing detector cannot detect the interior of the bushing, and the detection accuracy is high are solved. And the detection effect is poor.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bush detection technical field, concretely is a kind of cold extrusion bush hole damage detector. BACKGROUND

[0002] The cold extrusion bush detector is a device for detecting cold extrusion bush, but the existing cold extrusion bush detector still has shortcomings, specifically: the existing cold extrusion bush detector cannot detect the inside of the bush, and the detection effect is poor.

[0003] Therefore, a cold extrusion bush hole damage detector is needed to solve the problems raised in the above background. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of cold extrusion bush hole damage detector to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of cold extrusion bush hole damage detector, including detection barrel, the inside of the detection barrel is provided with detection mechanism, the outer wall of the detection barrel is installed with power plug, the outer wall of the detection barrel is installed with controller;

[0007] The detection mechanism includes sliding sleeve slidingly connected in the inside of detection barrel, the upper detection rod is fixedly connected above the inside center of sliding sleeve, the lower detection rod is fixedly connected in the inside of sliding sleeve and below upper detection rod, the ultrasonic transducer is fixedly connected in the inside of lower detection rod, the ultrasonic receiver is fixedly connected in the inside of upper detection rod and above ultrasonic transducer, the indicator light is fixedly connected on the top of upper detection rod and directly above ultrasonic receiver, the piston plate is fixedly connected on the outer wall of sliding sleeve and on the side away from upper detection rod, the return spring is fixedly connected on the outer wall of piston plate and on the side of impeller sliding sleeve, the ultrasonic generator is installed in the inside of sliding sleeve, the micro air pump is fixedly connected in the inside of detection barrel and at the position close to piston plate.

[0008] As the preferred scheme of the utility model, the detection barrel is made of ABS plastic, and the power plug and the controller are electrically connected.

[0009] As the preferred scheme of the utility model, the sliding sleeve, the upper detection rod and the lower detection rod are all made of aluminum alloy, the upper detection rod and the lower detection rod both penetrate through the sliding sleeve and extend to the outside of the detection barrel, and the return spring is fixedly connected with the detection barrel.

[0010] As the preferred scheme of the utility model, the piston plate is made of ABS plastic, the ultrasonic transducer, the ultrasonic receiver and the indicator light are all provided with multiple groups, and the ultrasonic transducer is connected with the ultrasonic generator through wires.

[0011] As the preferred scheme of the utility model, the distance between the upper detection rod and the lower detection rod is adapted to the thickness of the cold extrusion bushing, and the connection mode of the piston plate, the upper detection rod, the lower detection rod and the detection barrel is all sliding connection.

[0012] As the preferred scheme of the utility model, the micro air pump is provided with two groups, and the connection mode of the ultrasonic generator, the micro air pump, the ultrasonic receiver, the indicator light and the controller is all electric connection.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、in the utility model, through design a kind of cold extrusion bushing hole damage detector, utilize the detection mechanism in this device to carry out detection to cold extrusion bushing, controller starts micro air pump, micro air pump sends air into detection barrel, the air entering detection barrel pushes piston plate and sliding sleeve to move outward, sliding sleeve pushes upper detection rod and lower detection rod to slide out from detection barrel, insert the lower detection rod slid out into cold extrusion bushing, so that the ultrasonic transducer in lower detection rod is aligned with the inner wall of cold extrusion bushing, controller starts ultrasonic generator, ultrasonic generator converts external current into high-frequency alternating current signal matched with ultrasonic transducer and sends high-frequency alternating current signal into ultrasonic transducer, ultrasonic transducer converts high-frequency alternating current signal into ultrasonic signal and emits, the ultrasonic signal emitted passes through cold extrusion bushing and enters ultrasonic receiver, ultrasonic receiver detects the frequency of received ultrasonic signal, when damage appears inside cold extrusion bushing, ultrasonic signal will be reflected and refracted inside cold extrusion bushing, leading to the frequency of ultrasonic signal received by ultrasonic receiver changes, ultrasonic receiver sends signal to controller, controller starts indicator light above ultrasonic receiver where signal is sent, prompts detection personnel that damage appears at cold extrusion bushing, can detect inside cold extrusion bushing, solve the problem that existing cold extrusion bushing detector cannot detect inside bushing, and detection effect is poor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the partial front view of detection barrel of the utility model;

[0017] Figure 3 It is the utility model Figure 2 enlarged view of A.

[0018] In the figure: 1, detection cylinder; 2, detection mechanism; 3, power plug; 4, controller; 201, sliding sleeve; 202, upper detection rod; 203, lower detection rod; 204, ultrasonic transducer; 205, ultrasonic receiver; 206, indicator light; 207, piston plate; 208, return spring; 209, ultrasonic generator; 210, micro air pump. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. The terms "vertical", "horizontal", "left", "right", and the like as used herein are used for illustration only and do not limit the present application.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0023] Embodiments, please see Figures 1-3 The present application provides a technical solution:

[0024] A cold extrusion bushing hole damage detector, comprising a detection cylinder 1, a detection mechanism 2 is arranged in the detection cylinder 1, a power plug 3 is installed on the outer wall of the detection cylinder 1, and a controller 4 is installed on the outer wall of the detection cylinder 1.

[0025] The detection barrel 1 is made of ABS plastic, and the power plug 3 is electrically connected with the controller 4;

[0026] In this embodiment, referring to Figure 2 and Figure 3 , the detection mechanism 2 comprises a sliding sleeve 201 slidingly connected in the detection barrel 1, an upper detection rod 202 fixedly connected above the center of the inside of the sliding sleeve 201, a lower detection rod 203 fixedly connected below the upper detection rod 202 in the inside of the sliding sleeve 201, an ultrasonic transducer 204 fixedly connected in the inside of the lower detection rod 203, an ultrasonic receiver 205 fixedly connected above the ultrasonic transducer 204 in the inside of the upper detection rod 202, an indicator light 206 fixedly connected on the top of the upper detection rod 202 directly above the ultrasonic receiver 205, a piston plate 207 fixedly connected to the outer wall of the sliding sleeve 201 away from the upper detection rod 202, a return spring 208 fixedly connected to the outer wall of the piston plate 207 away from the sliding sleeve 201, an ultrasonic generator 209 installed in the inside of the sliding sleeve 201, and a micro air pump 210 fixedly connected in the inside of the detection barrel 1 close to the piston plate 207;

[0027] The sliding sleeve 201, the upper detection rod 202 and the lower detection rod 203 are all made of aluminum alloy, the upper detection rod 202 and the lower detection rod 203 both penetrate through the sliding sleeve 201 and extend to outside of the detection cylinder 1, the connecting mode of the reset spring 208 and the detection cylinder 1 is fixed connection, the piston plate 207 is made of ABS plastic, the ultrasonic transducer 204, the ultrasonic receiver 205 and the indicator lamp 206 are all provided with multiple groups, the ultrasonic transducer 204 is connected with the ultrasonic generator 209 through a wire, the distance between the upper detection rod 202 and the lower detection rod 203 is matched with the thickness of the cold extrusion bushing, the connecting mode of the piston plate 207, the upper detection rod 202, the lower detection rod 203 and the detection cylinder 1 is all sliding connection, the micro air pump 210 is provided with two groups, the connecting mode of the ultrasonic generator 209, the micro air pump 210, the ultrasonic receiver 205 and the indicator lamp 206 and the controller 4 is all electrical connection, the controller 4 starts the micro air pump 210, the micro air pump 210 sends air into the detection cylinder 1, the air entering the detection cylinder 1 pushes the piston plate 207 and the sliding sleeve 201 to move outward, the sliding sleeve 201 pushes the upper detection rod 202 and the lower detection rod 203 to slide out of the detection cylinder 1, the slid-out lower detection rod 203 is inserted into the cold extrusion bushing, the ultrasonic transducer 204 in the lower detection rod 203 is aligned with the inner wall of the cold extrusion bushing, the controller 4 starts the ultrasonic generator 209, the ultrasonic generator 209 converts the external current into high-frequency alternating current signals matched with the ultrasonic transducer 204 and sends the high-frequency alternating current signals into the ultrasonic transducer 204, the ultrasonic transducer 204 converts the high-frequency alternating current signals into ultrasonic signals and emits them, the emitted ultrasonic signals enter the ultrasonic receiver 205 after passing through the cold extrusion bushing, the ultrasonic receiver 205 detects the frequency of the received ultrasonic signals, when the cold extrusion bushing is damaged, the ultrasonic signals will be reflected and refracted in the cold extrusion bushing, resulting in that the frequency of the ultrasonic signals received by the ultrasonic receiver 205 changes, the ultrasonic receiver 205 sends a signal to the controller 4, the controller 4 starts the indicator lamp 206 above the ultrasonic receiver 205 sending the signal, prompting the detection personnel that the cold extrusion bushing is damaged at this place.

[0028] The utility model discloses a work flow: using the cold extrusion bushing hole damage detector of this scheme design when using, controller 4 starts micro air pump 210, and micro air pump 210 sends air into detection cylinder 1, and the air in entering detection cylinder 1 pushes piston plate 207 and sliding sleeve 201 to move outward, and sliding sleeve 201 pushes upper detection rod 202 and lower detection rod 203 and slides out from detection cylinder 1, and inserts the lower detection rod 203 of sliding out into the cold extrusion bushing, makes the ultrasonic transducer 204 in lower detection rod 203 align the inner wall of cold extrusion bushing, and controller 4 starts ultrasonic generator 209, and ultrasonic generator 209 converts the outside current into the high-frequency ac signal matched with ultrasonic transducer 204 and sends high-frequency ac signal into ultrasonic transducer 204, and ultrasonic transducer 204 converts high-frequency ac signal into ultrasonic signal and emits, and the ultrasonic signal of emitting goes through the cold extrusion bushing and enters ultrasonic receiver 205, and ultrasonic receiver 205 detects the frequency of received ultrasonic signal, when the cold extrusion bushing inside appears damage, ultrasonic signal will occur reflection and refraction in the cold extrusion bushing inside, leads to the frequency change of ultrasonic receiver 205 received ultrasonic signal, and ultrasonic receiver 205 sends signal to controller 4, and controller 4 starts the indicator light 206 located above the ultrasonic receiver 205 of sending signal, and prompts the detection personnel cold extrusion bushing this place appears damage, and after detecting, pulls detection cylinder 1, and detection cylinder 1 drives lower detection rod 203 and exits the cold extrusion bushing, and micro air pump 210 extracts the air in detection cylinder 1, and reset spring 208 pulls piston plate 207 and moves inward, and the piston plate 207 of moving inward drives sliding sleeve 201, upper detection rod 202 and lower detection rod 203 and enters detection cylinder 1.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cold extrusion bushing bore damage detector comprising a detector barrel (1), characterized in that: The inside of the detection barrel (1) is provided with a detection mechanism (2), the outer wall of the detection barrel (1) is provided with a power plug (3), and the outer wall of the detection barrel (1) is provided with a controller (4). The detection mechanism (2) comprises a sliding sleeve (201) slidably connected in the detection barrel (1), an upper detection rod (202) fixedly connected to the upper portion of the center of the inside of the sliding sleeve (201), a lower detection rod (203) fixedly connected to the inside of the sliding sleeve (201) and below the upper detection rod (202), an ultrasonic transducer (204) fixedly connected to the inside of the lower detection rod (203), an ultrasonic receiver (205) fixedly connected to the inside of the upper detection rod (202) and above the ultrasonic transducer (204), an indicator light (206) fixedly connected to the top of the upper detection rod (202) and directly above the ultrasonic receiver (205), a piston plate (207) fixedly connected to the outer wall of the sliding sleeve (201) and away from the upper detection rod (202), a return spring (208) fixedly connected to the outer wall of the piston plate (207) and away from the sliding sleeve (201), an ultrasonic generator (209) mounted in the inside of the sliding sleeve (201), and a micro air pump (210) fixedly connected to the inside of the detection barrel (1) and close to the piston plate (207).

2. A cold extrusion bushing bore damage detector according to claim 1, characterized in that: The detection barrel (1) is made of ABS plastic, and the power plug (3) and the controller (4) are electrically connected.

3. A cold extrusion bushing bore damage detector according to claim 1, characterized in that: The sliding sleeve (201), the upper detection rod (202) and the lower detection rod (203) are all made of aluminum alloy, the upper detection rod (202) and the lower detection rod (203) both penetrate through the sliding sleeve (201) and extend out of the detection barrel (1), and the return spring (208) is fixedly connected to the detection barrel (1).

4. A cold extruded bushing bore damage detector according to claim 1, characterized in that: The piston plate (207) is made of ABS plastic, the ultrasonic transducer (204), the ultrasonic receiver (205) and the indicator light (206) are provided in multiple groups, and the ultrasonic transducer (204) is connected to the ultrasonic generator (209) through wires.

5. A cold extruded bushing bore damage detector according to claim 1, characterized in that: The distance between the upper detection rod (202) and the lower detection rod (203) is adapted to the thickness of the cold extrusion bushing, and the piston plate (207), the upper detection rod (202) and the lower detection rod (203) are all slidably connected to the detection barrel (1).

6. A cold extruded bushing bore damage detector according to claim 1, characterized in that: The micro air pump (210) is provided in two groups, and the ultrasonic generator (209), the micro air pump (210), the ultrasonic receiver (205) and the indicator light (206) are all electrically connected to the controller (4).