A brake shoe camber detection device

Abstract

The utility model is suitable for the outside arc contour detection technical field of bending round metal sheet welding spare, provides a kind of brake shoe camber detection device, including: installation platform; the universal wheel of installation platform bottom side;Detection platform is installed in the rim of installation platform bottom side;Handrail is installed in the one side end of installation platform;Inner platform is assembled in the inside of installation platform;Spring telescopic mechanism is assembled on the inner platform;Standard detection block is assembled on the spring telescopic mechanism of multiple groups;Support is fixedly connected in the outside arc surface of standard detection block;Sensor mounting plate is bolted on the support;Range sensor is installed on the sensor mounting plate.The brake shoe camber detection device provided in the scheme, and the device realizes workpiece automatic adhesion by flexible support, and multiple point sensor synchronous measurement replaces artificial caliper operation, and automatically adjusts support force and posture, guarantees stable adhesion, reduces artificial workload, realizes outside arc profile automatic detection.

Description

Technical Field

[0001] This utility model belongs to the field of external arc profile detection technology for curved sheet metal welded parts, and particularly relates to a brake shoe arc detection device. Background Technology

[0002] Brake shoe curvature detection device refers to an automated detection device used to measure the outer curvature profile of brake shoes. It includes a workpiece support mechanism, a flexible bonding mechanism, and a multi-point distance measuring sensor system. Through the flexible bonding of the workpiece and the detection reference block, it realizes multi-point data acquisition and deviation analysis of the outer curvature, which is used to determine whether the brake shoe curvature meets the design requirements.

[0003] However, the current inspection process for brake shoe products in factories usually involves attaching the workpiece to a standard test block or brake shoe panel, and then using a feeler gauge to measure the gap between the workpiece and the standard block. This method takes more than three minutes to inspect a single piece, is inefficient, and requires a lot of work. In addition, since the operation relies on manual labor, different inspectors may have different measurement results for the same workpiece, which affects the consistency and accuracy of the inspection. Utility Model Content

[0004] This utility model provides a brake shoe curvature detection device, which aims to solve the problem that the current inspection process for brake shoe products in factories usually involves attaching the workpiece to a standard test block or brake shoe panel, and then using a feeler gauge to measure the gap between the workpiece and the standard block. This method takes more than three minutes to inspect a single piece, is inefficient, and has a high workload. At the same time, since the operation relies on manual operation, the measurement results of different inspectors on the same workpiece may have errors, affecting the consistency and accuracy of the inspection.

[0005] This utility model is implemented as follows: a brake shoe curvature detection device includes: a mounting platform; a caster wheel mounted on the bottom side of the mounting platform; a detection platform mounted on the edge of the bottom side of the mounting platform; a handrail mounted on one end of the mounting platform; an inner platform surface assembled inside the mounting platform; a spring telescopic mechanism assembled on the inner platform surface; a standard detection block assembled on multiple sets of the spring telescopic mechanisms; a bracket fixedly connected to the outer arc surface of the standard detection block; a sensor mounting plate bolted to the bracket; and a distance measuring sensor mounted on the sensor mounting plate.

[0006] Preferably, the spring telescopic mechanism is provided in four sets, and is arranged in a cross-sectional manner along the outer arc surface of the standard detection block.

[0007] Preferably, the ranging sensor is provided in multiple sets, and the multiple sets of ranging sensors are distributed at equal angles along the standard detection block.

[0008] Preferably, the spring telescopic mechanism includes: a bearing mounting assembly bolted to the inner platform; a linear bearing bolted between the inner platform and the bearing mounting assembly; a guide rod inserted into the linear bearing; a retaining ring rigidly connected to the bottom side of the linear bearing and the guide rod; a rotary joint shaft threaded to the top of the guide rod; a rectangular spring connected to the outer edge of the upper side of the guide rod; and a fine-threaded tube flanged to one side of the guide rod, wherein a fine-threaded nut is threaded onto the surface of the fine-threaded tube.

[0009] Preferably, the bearing mounting assembly is provided in two sets, with the subsequent parts arranged on the outermost side of the two sets of bearing mounting assemblies.

[0010] Preferably, the other side of the rectangular spring is connected to the outer edge of the fine-tooth nut, and the main body of the rectangular spring is sleeved on the guide rod.

[0011] Preferably, the fine-pitch nut and the fine-pitch helical tube form a sliding structure, and the main body of the rotary joint shaft is connected to the standard test block.

[0012] Compared with related technologies, the brake shoe curvature detection device provided by this utility model has the following advantages: The device achieves flexible contact between the workpiece and the inspection benchmark through multiple sets of spring telescopic mechanisms. Multi-point distance sensors collect data synchronously, eliminating the time-consuming and error-prone problems of traditional manual feeler gauge measurement. The workpiece's own weight automatically adjusts the support force, giving the inspection block degrees of freedom in the vertical and angular directions, achieving posture self-adaptation, ensuring contact stability and measurement accuracy. The PLC system processes data in real time and automatically judges whether the workpiece is qualified or not, greatly improving inspection efficiency and consistency, reducing manual operation intensity, significantly optimizing the production inspection process, and improving the reliability of brake shoe outer arc contour control. Attached Figure Description

[0013] Figure 1 This is a side view of the appearance structure of this utility model; Figure 2 This is a partial cross-sectional side view of the various parts and corresponding components of this utility model during assembly. Figure 3 This is a cross-sectional exploded side view of the various parts and corresponding components of this utility model. Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle; Figure 5 This utility model Figure 3 Enlarged structural diagram at point B.

[0014] In the diagram: 1. Mounting platform; 2. Casters; 3. Testing platform; 4. Handrail; 5. Inner platform; 6. Spring telescopic mechanism; 601. Bearing mounting assembly; 602. Linear bearing; 603. Guide rod; 604. Fixing ring; 605. Rotary joint shaft; 606. Rectangular spring; 607. Fine-threaded helical tube; 608. Fine-threaded nut; 7. Standard testing block; 8. Bracket; 9. Sensor mounting plate; 10. Distance sensor. Detailed Implementation

[0015] 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 herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0016] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0017] A preferred embodiment of the brake shoe curvature detection device provided by this utility model is, for example... Figures 1 to 5 As shown: A brake shoe curvature detection device includes: a mounting platform 1; casters 2 mounted on the bottom side of the mounting platform 1; a detection platform 3 mounted on the edge of the bottom side of the mounting platform 1; a handrail 4 mounted on one end of the mounting platform 1; an inner platform 5 assembled inside the mounting platform 1; a spring telescopic mechanism 6 assembled on the inner platform 5; a standard detection block 7 assembled on multiple sets of spring telescopic mechanisms 6; a bracket 8 fixedly connected to the outer arc surface of the standard detection block 7; a sensor mounting plate 9 bolted to the bracket 8; and a distance measuring sensor 10 mounted on the sensor mounting plate 9.

[0018] In this embodiment, when the device is in use, the workpiece is placed on the outer arc surface of the standard detection block 7. The standard detection block 7 is flexibly supported and connected to the mounting platform 1 through multiple sets of spring telescopic mechanisms 6. Four sets of spring telescopic mechanisms 6 are arranged in a symmetrical cross-shaped distribution along the outer arc surface of the standard detection block 7 to achieve balanced support and adaptive posture adjustment of the standard detection block 7. The bearing mounting assembly 601 is bolted to the inner platform 5, providing stable support for the guide structure. The linear bearing 602 is positioned between the bearing mounting assembly 601 and the inner platform 5. A low-friction linear sliding channel is provided for the guide rod 603. A rectangular spring 606 is sleeved on the guide rod 603. One end of the rectangular spring 606 abuts against the guide rod 603, and the other end abuts against the fine-pitch nut 608. By rotating the fine-pitch nut 608, the compression of the rectangular spring 606 can be changed, thereby adjusting the buoyancy and support stiffness of the standard detection block 7. The top of the guide rod 603 is flexibly connected to the standard detection block 7 through a rotary joint shaft 605, so that the standard detection block 7 has a certain degree of freedom in both vertical and angular directions, ensuring that it can automatically... By adjusting the posture to achieve a high fitting rate, when the workpiece is placed on the standard detection block 7, the workpiece's own weight causes the rectangular spring 606 to elastically compress, the guide rod 603 moves down and drives the fixing ring 604 to move, and the standard detection block 7 gradually fits into the outer arc surface of the workpiece. The spring telescopic mechanism 6 forms a balance between the supporting force and the workpiece's weight, keeping the detection block stably fitted without excessive deformation. Multiple sets of distance sensors 10 installed on the outer arc surface of the standard detection block 7 are fixed by the sensor mounting plate 9 and the bracket 8. The distance sensors 10 are arranged at equal angles along the outer arc surface, and can simultaneously collect the spacing data of multiple detection points. During the detection process, the PLC and control system read the output signals of each distance sensor 10 in real time, compare them with the reference data of the standard workpiece, and calculate the current outer arc deviation of the workpiece. If the deviation exceeds the set threshold, the workpiece is automatically judged to be unqualified. The entire detection process is completed automatically without the need for manual feeler gauge measurement. The equipment achieves flexible fitting through the spring telescopic mechanism 6 and multi-point synchronous detection through the distance sensors 10, thereby greatly improving the detection accuracy and efficiency and ensuring the consistency and reliability of the outer arc profile of the brake shoe.

[0019] In a further preferred embodiment of this utility model, the spring telescopic mechanism 6 is provided in four sets, and is arranged in a cross-sectional manner along the outer arc surface of the standard detection block 7.

[0020] In this embodiment, four sets of spring telescopic mechanisms 6 are symmetrically arranged along the outer arc of the standard detection block 7 to achieve balanced support of the workpiece's own weight and adaptive adjustment of its posture, ensuring that the detection block fits stably without excessive deformation and improving detection accuracy.

[0021] In a further preferred embodiment of this utility model, multiple sets of ranging sensors 10 are provided, and the multiple sets of ranging sensors 10 are distributed at equal angles along the standard detection block 7.

[0022] In this embodiment, multiple sets of ranging sensors 10 are arranged at equal angles on the outer arc of the standard detection block 7 to achieve synchronous measurement of multiple points on the outer arc. This enables the simultaneous acquisition of data on the distance between multiple detection points, ensuring accurate judgment of workpiece contour deviation.

[0023] In a further preferred embodiment of this utility model, the spring telescopic mechanism 6 includes: a bearing mounting assembly 601 bolted to the inner platform 5; a linear bearing 602 bolted between the inner platform 5 and the bearing mounting assembly 601; a guide rod 603 inserted into the linear bearing 602; a fixing ring 604 rigidly connected to the bottom side of the linear bearing 602 and the guide rod 603; a rotary joint shaft 605 threaded to the top of the guide rod 603; a rectangular spring 606 connected to the outer edge of the upper side of the guide rod 603; and a fine-threaded tube 607 flanged to one side of the guide rod 603, the surface of which is threaded with a fine-threaded nut 608.

[0024] In this embodiment, the spring telescopic mechanism 6, through four sets of symmetrically arranged structures along the outer arc of the standard detection block 7, achieves balanced support and adaptive attitude adjustment for the standard detection block 7. Under the constraint of the bearing mounting assembly 601 and the linear bearing 602, the guide rod 603 can perform low-friction linear sliding. The rectangular spring 606 adjusts the support stiffness and buoyancy through the compression of the fine-tooth nut 608, giving the standard detection block 7 a certain degree of freedom in the vertical and angular directions. After the workpiece is placed, its own weight causes the rectangular spring 606 to compress elastically, and the guide rod 603 moves down, causing the fixed ring 604 to move and the standard detection block 7 to gradually fit against the outer arc surface of the workpiece. At the same time, the spring telescopic mechanism 6 forms a balance between the support force and the weight of the workpiece. The entire structure ensures that the detection block flexibly fits against the workpiece without excessive deformation, providing a stable foundation for the accurate acquisition of the multi-point ranging sensor 10, thereby improving the accuracy and efficiency of the outer arc contour detection.

[0025] In a further preferred embodiment of the present invention, two sets of bearing mounting assemblies 601 are provided, and subsequent parts are arranged on the outermost side after the two sets of bearing mounting assemblies 601.

[0026] In this embodiment, the two sets of bearing mounting assemblies 601 are located on the outermost side, providing stable support for the guide structure, while ensuring the overall rigidity and positioning accuracy of the guide rod 603 and the spring telescopic mechanism 6.

[0027] In a further preferred embodiment of the present invention, the other side of the rectangular spring 606 is connected to the outer edge of the fine-tooth nut 608, and the main body of the rectangular spring 606 is sleeved on the guide rod 603.

[0028] In this embodiment, the rectangular spring 606 and the fine-toothed nut 608 form a compression adjustment mechanism. The amount of spring compression can be changed by rotating the nut, thereby adjusting the buoyancy and support stiffness of the standard detection block 7 to achieve flexible fit to the workpiece.

[0029] In a further preferred embodiment of this utility model, the fine-tooth nut 608 and the fine-tooth screw tube 607 form a mutual sliding structure, and the main body of the rotating joint shaft 605 is connected to the standard detection block 7.

[0030] In this embodiment, the fine-pitch nut 608 and the fine-pitch helical tube 607 slide to adjust the spring compression, and the rotating joint shaft 605 flexibly connects to the standard detection block 7, so that the detection block can move freely in the vertical and angular directions, ensuring the automatic posture adjustment of the workpiece during the pressing process.

[0031] In summary, when the device is working, the workpiece is placed on the outer arc surface of the standard detection block 7. Multiple sets of spring telescopic mechanisms 6 provide flexible support, allowing the detection block to have a certain degree of freedom in the vertical and angular directions, achieving posture self-adaptation. The workpiece's own weight compresses the rectangular spring 606, and the guide rod 603 moves down, driving the fixing ring 604. The detection block gradually fits against the outer arc surface of the workpiece. Multiple sets of distance sensors 10 installed on the outer arc surface of the detection block collect the distance between multiple detection points at equal angles. The PLC control system reads the data in real time and compares it with the reference value to automatically determine whether the workpiece is qualified. The spring telescopic mechanism 6 achieves flexible fitting, and the distance sensors 10 achieve multi-point synchronous detection, improving detection accuracy and efficiency, and realizing automated outer arc contour measurement.

[0032] It is worth noting that the circuits, electronic components, and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0033] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative; the division of units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; the indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0034] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A brake shoe curvature detection device, characterized in that, include: Mounting station (1); Universal wheels (2) are installed on the bottom side of the mounting platform (1); The testing station (3) is installed on the bottom edge of the mounting platform (1); Handrail (4) installed at one end of the mounting platform (1); The inner platform (5) is assembled inside the mounting platform (1); A spring telescopic mechanism (6) is mounted on the inner platform (5); Standard test blocks (7) are mounted on multiple sets of the spring telescopic mechanisms (6); A bracket (8) is fixedly connected to the outer arc surface of the standard test block (7); The sensor mounting plate (9) is bolted to the bracket (8); A ranging sensor (10) is mounted on the sensor mounting plate (9).

2. The brake shoe curvature detection device as described in claim 1, characterized in that, The spring telescopic mechanism (6) is provided in four sets, and is arranged in a cross-shaped manner along the outer arc surface of the standard detection block (7).

3. The brake shoe curvature detection device as described in claim 1, characterized in that, The ranging sensor (10) is provided in multiple sets, and the multiple sets of the ranging sensor (10) are distributed at equal angles along the standard detection block (7).

4. The brake shoe curvature detection device as described in claim 1, characterized in that, The spring telescopic mechanism (6) includes: The bearing mounting assembly (601) is bolted to the inner platform (5); A linear bearing (602) is bolted between the inner platform (5) and the bearing mounting assembly (601). A guide rod (603) is inserted into the linear bearing (602); A retaining ring (604) is rigidly connected to the bottom side of the linear bearing (602) and the guide rod (603); A rotary joint shaft (605) is threaded to the top of the guide rod (603); A rectangular spring (606) is connected to the outer edge of the upper side of the guide rod (603). A flange is connected to a fine-pitch threaded tube (607) on one side of the guide rod (603), and a fine-pitch nut (608) is threaded onto the surface of the fine-pitch threaded tube (607).

5. The brake shoe curvature detection device as described in claim 4, characterized in that, The bearing mounting assembly (601) is provided in two sets, with the subsequent parts of the two sets of bearing mounting assemblies (601) located on the outermost side.

6. The brake shoe curvature detection device as described in claim 4, characterized in that, The other side of the rectangular spring (606) is connected to the outer edge of the fine-tooth nut (608), and the main body of the rectangular spring (606) is sleeved on the guide rod (603).

7. The brake shoe curvature detection device as described in claim 4, characterized in that, The fine-tooth nut (608) and the fine-tooth helical tube (607) form a sliding structure, and the main body of the rotary joint shaft (605) is connected to the standard test block (7).

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