A device for measuring a caliper of a vehicle

Abstract

The application relates to the technical field of automobile caliper measuring devices, and provides an automobile caliper measuring device which comprises a device support main body, a mold frame mechanism, a moving mechanism and an angle and radius measuring mechanism, the mold frame mechanism is arranged at the bottom of the device support main body, the moving mechanism is slidingly assembled at the upper portion of the device support main body, and the angle and radius measuring mechanism is slidingly assembled on the moving mechanism, wherein the angle and radius measuring mechanism comprises a lifting positioning assembly, a control assembly and an angle and radius measuring assembly; when the lifting positioning assembly is matched with the mold frame mechanism, the automobile caliper loaded on the mold frame mechanism can be measured by adjusting the angle and radius measuring assembly. The automobile caliper measuring device can efficiently and stably load the automobile caliper workpiece to be measured through the mold frame mechanism, and can realize accurate measurement of the angle and radius of the automobile caliper loaded on the mold frame mechanism through the device support main body, the moving mechanism and the angle and radius measuring mechanism.

Description

Technical Field

[0001] This invention relates to the field of automotive caliper measuring devices, and more particularly to an automotive caliper measuring device. Background Technology

[0002] The caliper is the core actuator of a car's braking system. Located inside the wheel hub, when the driver presses the brake pedal, brake fluid pushes the caliper piston, causing the brake pads to clamp against the brake disc. This friction helps to slow the vehicle down or bring it to a stop. The working condition of the caliper directly affects the vehicle's braking performance.

[0003] As vehicle performance continues to improve and drivers demand increasingly precise speed control, the overall performance requirements for automotive calipers in vehicle design and manufacturing are also constantly rising. These requirements include high-temperature resistance, wear resistance, toughness, and strength. In practical applications, the dimensional accuracy of automotive calipers has a significant impact on their service life and performance. In the precision-assembled automotive assemblies, even minute dimensional changes in the calipers can affect the overall braking and safety performance of the vehicle.

[0004] In the manufacturing process of automotive calipers, multiple machining operations are required. To prevent substandard semi-finished products from flowing into the next processing step, it is necessary to measure the dimensions of the semi-finished automotive calipers, including radius and angle, after each machining operation. This measurement work is tedious.

[0005] Therefore, how to provide an automotive caliper measuring device that improves both measurement efficiency and accuracy has become an urgent technical problem to be solved. Summary of the Invention

[0006] In view of this, in order to overcome the shortcomings of the prior art, the present invention aims to provide an automotive caliper measuring device.

[0007] This invention provides an automotive caliper measuring device, which includes a device support body, a mold frame mechanism, a moving mechanism, and an angle and radius measuring mechanism. The mold frame mechanism is located at the bottom of the device support body, the moving mechanism is slidably mounted on the upper part of the device support body, and the angle and radius measuring mechanism is slidably mounted on the moving mechanism. The angle and radius measuring mechanism includes a lifting and positioning component, a control component, and an angle and radius measuring component. When the lifting and positioning component is matched with the mold frame mechanism, the automotive caliper mounted on the mold frame mechanism can be measured by adjusting the angle and radius measuring component.

[0008] Preferably, in the automotive caliper measuring device of the present invention, the device support body includes a support body base, four support columns fixedly mounted on the support body base, two first fixing rods and two second fixing rods, wherein the support columns are evenly distributed on the inner sides of the four corners of the support body base, the two first fixing rods are symmetrically distributed above the support body base, and each first fixing rod is fixed by two support columns, and the two second fixing rods are symmetrically distributed above the support body base perpendicular to the first fixing rods, and each second fixing rod is fixed by two support columns.

[0009] Preferably, in the automotive caliper measuring device of the present invention, the mold frame mechanism includes a mold frame support base, a first support component disposed on one side of the mold frame support base, a second support component fixed on the other side of the mold frame support base, and a caliper mold frame assembled and supported by the first support component and the second support component. The mold frame support base includes a mold frame support base base plate and a first support side plate and a second support side plate symmetrically disposed at both ends of the mold frame support base base plate. A center mounting hole is provided on the first support side plate, and a bearing mounting hole is provided on the second support side plate. By rotating the second support component, the caliper mold frame can be rotated.

[0010] Preferably, in the automotive caliper measuring device of the present invention, the caliper mold frame is composed of an integrally connected fan ring portion and a circular ring portion. The inner side of the main body of the fan ring portion is provided with a through fan ring cavity, the inner side of the main body of the circular ring portion is provided with a through circular cavity, the center of the fan-shaped side of the fan ring portion is provided with a top support hole, and the upper fan-shaped end face of the fan ring portion is provided with multiple workpiece assembly holes.

[0011] Preferably, in the automotive caliper measuring device of the present invention, the first support assembly includes a first center, a pressure spring and a fixing sleeve arranged coaxially on the outside of the first center, and a first handwheel fixed to the outer end of the first center by a first locking nut, wherein the first center is coaxially fitted into the center mounting hole on the first support side plate, and one end of the fixing sleeve is fixed to the first support side plate by a fastening screw; the second support assembly includes a second center, a connecting rod fixedly connected to the second center, a bearing and a fixing plate distributed along the axis of the connecting rod and coaxially arranged on the outside of the connecting rod, and a second handwheel fixed to the outer end of the connecting rod by a second locking nut, wherein the bearing is coaxially fitted into the bearing mounting hole on the second support side plate, one end of the fixing plate is locked and fixed to the connecting rod by a fastening bolt, and the inner side of the second center is arc-shaped.

[0012] Preferably, in the automotive caliper measuring device of the present invention, the moving mechanism includes two parallel moving support assemblies. The moving support assembly consists of a first moving support seat, a moving slide rod, and a second moving support seat. The first moving support seat and the second moving support seat are respectively mounted on two symmetrically arranged second fixed rods. One end of the moving slide rod is fixed by the first moving support seat, and the other end of the moving slide rod is fixed by the second moving support seat.

[0013] Preferably, in the automotive caliper measuring device of the present invention, the moving mechanism further includes a moving measuring component, which consists of a measuring vernier part, a measuring fixing part, a grating measuring part, and a vernier limiting part. The measuring vernier part is fixedly disposed on the outer side of the first moving support seat on one side of the two moving support components. The measuring fixing part is disposed directly below the measuring vernier part and parallel to the second fixing rod. The grating measuring part is fixedly disposed on the measuring vernier part. The vernier limiting part is movably mounted on the measuring fixing part.

[0014] Preferably, in the automotive caliper measuring device of the present invention, the lifting and positioning assembly includes a lifting rod, a central positioning part disposed at the bottom of the lifting rod, and a sliding platform mounted on the upper part of the lifting rod. The bottom of the central positioning part is conical, the two ends of the sliding platform are matched with the moving mechanism and can slide along the moving mechanism, and the lifting rod can move in the vertical direction.

[0015] Preferably, in the automotive caliper measuring device of the present invention, the control component includes an encoder bracket and an encoder, the lower end of the encoder bracket is fixedly connected to the upper part of the sliding platform, the upper end of the encoder bracket is fixedly connected to the top of the lifting rod, and the encoder is fixedly installed on the top of the encoder bracket.

[0016] Preferably, in the automotive caliper measuring device of the present invention, the angle and radius measuring component includes a cantilever, a movable positioning part, a scale part, a fixed indicator part, and a movable indicator part. One end of the cantilever is rotatably connected to the upper end of the lifting rod. The scale part is parallel to and disposed in a groove on one side of the cantilever. One end of the scale part is fixed by a fixed indicator part that is fixedly sleeved on the outside of the cantilever. The movable indicator part is slidably sleeved on the outside of the cantilever. The movable positioning part is fixedly disposed at one end of the movable indicator part.

[0017] The automotive caliper measuring device of the present invention efficiently and stably loads the automotive caliper workpiece to be measured through a mold frame mechanism. It achieves accurate measurement of the angle and radius of the automotive caliper loaded on the mold frame mechanism through the device support body, the moving mechanism, and the angle and radius measuring mechanism, thereby improving both measurement efficiency and measurement accuracy. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an automotive caliper measuring device according to an exemplary embodiment of the present invention;

[0020] Figure 2 This is a partial structural schematic diagram of an automotive caliper measuring device according to an exemplary embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of the mold frame mechanism in an automotive caliper measuring device according to an exemplary embodiment of the present invention;

[0022] Figure 4 This is a partial structural schematic diagram of a mold frame mechanism according to an exemplary embodiment of the present invention;

[0023] Figure 5 This is an example diagram of another partial structure of the mold frame mechanism according to an exemplary embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of the structure of a caliper mold frame of a mold frame mechanism according to an exemplary embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram of the angle and radius measuring mechanism in an automotive caliper measuring device according to an exemplary embodiment of the present invention;

[0026] Figure 8 This is a structural example diagram of an automotive caliper used for measurement according to the method of this embodiment.

[0027] In the diagram, 1-device support body, 2-mold frame mechanism, 3-moving mechanism, 4-angle and radius measuring mechanism, 11-support body base, 12-support column, 13-first fixing rod, 14-second fixing rod, 21-mold frame support seat, 22-first support assembly, 23-second support assembly, 24-caliper mold frame, 211-mold frame support seat base plate, 212-first support side plate, 213-second support side plate, 214-center mounting hole, 215-bearing mounting hole, 221-first center, 222-compression spring, 223-fixing sleeve, 224-first locking nut, 225-first handwheel, 226-fastening screw, 227-load-bearing baffle, 231-second center, 232-connecting rod, 233-bearing, 234-fixing pressure plate, 235-second locking nut, 236-second handwheel 237-Fasting bolt, 241-Fan ring part, 242-Circular ring part, 243-Fan ring cavity, 244-Circular cavity, 245-Top support hole, 246-Workpiece assembly hole, 31-Moving support assembly, 311-First moving support seat, 312-Moving slide bar, 313-Second moving support seat, 32-Moving measuring assembly, 321-Measuring vernier part, 322-Measuring fixing part, 323-Grating measuring part, 324-Vernier limit part, 41-Lifting and positioning assembly, 411-Lifting rod, 412-Center positioning part, Sliding platform 413, 42-Control assembly, 421-Encoder bracket, 422-Encoder, 43-Angle and radius measuring assembly, 431-Cantilever, 432-Moving positioning part, 433-Scale part, 434-Fixed indicator part, 435-Moving indicator part, 5-Automotive caliper. Detailed Implementation

[0028] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0029] It should be noted that, unless otherwise specified, the following embodiments and features can be combined with each other; and, based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0030] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this disclosure, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0031] Figure 1 This is a schematic diagram of the structure of an automotive caliper measuring device according to an exemplary embodiment of the present invention, as shown below. Figure 1 As shown, the automotive caliper measuring device of this embodiment includes a device support body 1, a mold frame mechanism 2, a moving mechanism 3, and an angle and radius measuring mechanism 4. The mold frame mechanism 2 is disposed at the bottom of the device support body 1, the moving mechanism 3 is slidably mounted on the upper part of the device support body 1, and the angle and radius measuring mechanism 4 is slidably mounted on the moving mechanism 3.

[0032] Figure 2 This is a partial structural schematic diagram of an automotive caliper measuring device according to an exemplary embodiment of the present invention, as shown below. Figure 2 As shown, in the automotive caliper measuring device of this embodiment, the device bracket body 1 includes a bracket body base 11, four bracket columns 12 fixedly mounted on the bracket body base 11, two first fixing rods 13 and two second fixing rods 14. The bracket columns 12 are evenly distributed on the inner sides of the four corners of the bracket body base 11. The two first fixing rods 13 are symmetrically distributed above the bracket body base 11, and each first fixing rod 13 is fixed by two bracket columns 12. The two second fixing rods 14 are symmetrically distributed above the bracket body base 11 perpendicular to the first fixing rods 13, and each second fixing rod 14 is fixed by two bracket columns 12.

[0033] like Figure 2As shown, in the automotive caliper measuring device of this embodiment, the moving mechanism 3 includes two parallel moving support assemblies 31. Each moving support assembly 31 consists of a first moving support seat 311, a moving slide rod 312, and a second moving support seat 313. The first moving support seat 311 and the second moving support seat 313 are respectively mounted on two symmetrically arranged second fixed rods 14. One end of the moving slide rod 312 is fixed by the first moving support seat 311, and the other end of the moving slide rod 312 is fixed by the second moving support seat 313. In practical applications, the two parallel moving support assemblies 31 can slide along the second fixed rods 14 according to measurement needs, thereby enabling the angle and radius measuring mechanism 4 mounted on them to move along the axial direction of the second fixed rods 14.

[0034] As an optional example, in the automotive caliper measuring device of this embodiment, the moving mechanism 3 further includes a moving measuring component 32. The moving measuring component 32 consists of a measuring vernier 321, a measuring fixing part 322, a grating measuring part 323, and a vernier limiting part 324. The measuring vernier 321 is fixedly disposed on the outer side of the first moving support seat 311 on one side of the two moving support components 31. The measuring fixing part 322 is disposed directly below the measuring vernier 321 and parallel to the second fixing rod 14. The grating measuring part 323 is fixedly disposed on the measuring vernier 321. The vernier limiting part 324 is movably mounted on the measuring fixing part 322. In practical applications, a scale can be set on the measuring fixing part 322. Through the combination of the measuring vernier 321, the measuring fixing part 322, and the vernier limiting part 324, quantitative control of the movement of the moving mechanism 3 along the axial direction of the second fixing rod 14 can be achieved. Furthermore, in this embodiment, a grating measurement unit 323 is provided on the measuring vernier unit 321. When the moving mechanism 3 is moving, the grating measurement unit 323 transmits the moving distance of the moving mechanism 3 to the external PLC control component, thereby achieving more accurate data acquisition.

[0035] Figure 3 This is a schematic diagram of the mold frame mechanism in an automotive caliper measuring device according to an exemplary embodiment of the present invention. Figure 4 This is a partial structural diagram of a mold frame mechanism according to an exemplary embodiment of the present invention. Figure 5 This is a partial structural example diagram of a mold frame mechanism according to an exemplary embodiment of the present invention. Figure 6 This is a schematic diagram of the caliper mold frame of the mold frame mechanism according to an exemplary embodiment of the present invention. Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, in the automotive caliper measuring device of this embodiment, the mold frame mechanism 2 includes a mold frame support base 21, a first support component 22 disposed on one side of the mold frame support base 21, a second support component 23 fixed on the other side of the mold frame support base 21, and a caliper mold frame 24 assembled and supported by the first support component 22 and the second support component 23. The mold frame support base 21 includes a mold frame support base base plate 211 and a first support side plate 212 and a second support side plate 213 symmetrically disposed at both ends of the mold frame support base base plate 211. The first support side plate 212 is provided with a center mounting hole 214, and the second support side plate 213 is provided with a bearing mounting hole 215. By rotating the second support component 23, the caliper mold frame 24 can be rotated.

[0036] As an optional example, such as Figure 3 , Figure 4 and Figure 5 As shown, in the mold frame mechanism 2 of this embodiment, the first support component 22 includes a first tip 221, a pressure spring 222 and a fixing sleeve 223 arranged coaxially on the outside of the first tip 221, and a first handwheel 225 fixed to the outer end of the first tip 221 by a first locking nut 224. The first tip 221 is coaxially fitted into the tip mounting hole 214 on the first support side plate 212, and one end of the fixing sleeve 223 is fixed to the first support side plate 212 by a fastening screw 226. In practical applications, the first tip 221 can move axially along its own axis. Specifically, a load-bearing baffle 227 is fixedly installed on the first tip 221. By pulling the first handwheel 225 outward, the first tip 221 moves outward toward the first support side plate 212. At this time, the pressure spring 222 is compressed under the action of the load-bearing baffle 227. When the first handwheel 225 is released, the load-bearing baffle 227 moves the first tip 221 inward toward the first support side plate 212 under the action of the pressure spring 222.

[0037] The second support assembly 23 includes a second tip 231, a connecting rod 232 fixedly connected to the second tip 231, a bearing 233 distributed along the axis of the connecting rod 232 and coaxially arranged on the outside of the connecting rod 232, a fixing plate 234, and a second handwheel 236 fixed to the outer end of the connecting rod 232 by a second locking nut 235. The bearing 233 is coaxially fitted into the bearing mounting hole 215 on the second support side plate 213. One end of the fixing plate 234 is locked and fixed to the connecting rod 232 by a fastening bolt 237. The inner side of the second tip 231 is arc-shaped.

[0038] like Figure 3 and Figure 6As shown, in the mold frame mechanism of this embodiment, the caliper mold frame 24 is composed of an integrally connected fan-shaped ring portion 241 and a circular ring portion 242. A through-hole fan-shaped cavity 243 is provided inside the main body of the fan-shaped ring portion 241, and a through-hole circular cavity 244 is provided inside the main body of the circular ring portion 242. A center support hole 245 is provided at the center of the fan-shaped side surface of the fan-shaped ring portion 241, and multiple workpiece assembly holes 246 are provided on the upper fan-shaped surface of the fan-shaped ring portion 241. In practical applications, the workpiece assembly holes 246 are used to fix the automotive caliper 5 to be loaded and measured.

[0039] In practical applications, when assembling the caliper mold frame 24, first move the first tip 221 outward from the first support side plate 212, then match the annular portion 242 of the caliper mold frame 24 with the arc shape of the second tip 231, and then gradually loosen the first handwheel 225 to match the inner end of the first tip 221 with the tip support hole 245 of the caliper mold frame 24, thus assembling the caliper mold frame 24. It should be noted that when adjusting the position of the automotive caliper mounted on the mold frame mechanism 2, rotate the second handwheel 236 of the second support assembly 23 to rotate the caliper mold frame 24.

[0040] Figure 7 This is a schematic diagram of the angle and radius measuring mechanism in an automotive caliper measuring device according to an exemplary embodiment of the present invention, as shown below. Figure 1 , Figure 2 and Figure 7 As shown, the angle and radius measuring mechanism 4 in the automotive caliper measuring device of this embodiment includes a lifting and positioning component 41, a control component 42, and an angle and radius measuring component 43. When the lifting and positioning component 41 is matched with the mold frame mechanism 2, the automotive caliper mounted on the mold frame mechanism 2 can be measured by adjusting the angle and radius measuring component 43.

[0041] As an optional example, in the angle and radius measuring mechanism 4 of this embodiment, the lifting and positioning assembly 41 includes a lifting rod 411, a central positioning part 412 disposed at the bottom of the lifting rod 411, and a sliding platform 413 assembled on the upper part of the lifting rod 411. The bottom of the central positioning part 412 is conical, and both ends of the sliding platform 413 match the moving mechanism 3 and can slide along the moving mechanism 3. The lifting rod 411 can move vertically. In practical applications, the lifting rod 411 in the lifting and positioning assembly 41 of this embodiment can be obtained by combining tubes with different outer diameters or by combining threaded tubes with different outer diameters. For example, the lifting rod 411 can be raised and lowered by inlaying or expanding tubes with different outer diameters; or the lifting rod 411 can be raised and lowered by threading internal and external threaded tubes with different external surfaces. Those skilled in the art can choose other suitable methods to set the lifting rod 411 according to the needs of the actual application scenario when implementing the automotive caliper measuring device of the present invention; this embodiment does not limit this. In this embodiment, after the mold frame mechanism 2 has loaded the car caliper to be measured, the lifting rod 411 is raised and moved to the annular portion 242 of the caliper mold frame 24. By adjusting the position of the moving mechanism 3 and lowering the lifting rod 411, the center positioning portion 412 at the bottom of the lifting rod 411 is matched with the circular cavity 244 of the annular portion 242 of the caliper mold frame 24, thereby achieving the center positioning of the caliper mold frame 24 in the mold frame mechanism 2.

[0042] As an optional example, the control assembly 42 includes an encoder bracket 421 and an encoder 422. The lower end of the encoder bracket 421 is fixedly connected to the upper part of the sliding platform 413, the upper end of the encoder bracket 421 is fixedly connected to the top of the lifting rod 411, and the encoder 422 is fixedly mounted on the top of the encoder bracket 421.

[0043] As an optional example, the angle and radius measuring assembly 43 includes a cantilever 431, a movable positioning part 432, a scale part 433, a fixed indicator part 434, and a movable indicator part 435. One end of the cantilever 431 is rotatably connected to the upper end of the lifting rod 411. The scale part 433 is arranged parallel to a groove on one side of the cantilever 431. One end of the scale part 433 is fixed by the fixed indicator part 434, which is fixedly sleeved on the outside of the cantilever 431. The movable indicator part 435 is slidably sleeved on the outside of the cantilever 431. The movable positioning part 432 is fixedly arranged at one end of the movable indicator part 435.

[0044] In practical applications, by moving the movable positioning part 432 above the automotive caliper 5 mounted on the caliper mold holder 24, the movement distance of the movable positioning part 432 can be acquired through the combination of the scale part 433, the fixed indicator part 434, and the movable indicator part 435. For example, when one end of the scale part 433 is aligned with the outer end of the cantilever 431, the radius and angle of the corresponding detection position can be obtained simultaneously by using the dimensions of the cantilever 431 and the position of the movable indicator part 435. It should be noted that, correspondingly, the automotive caliper 5 to be loaded and measured is provided with a loading fixing hole 51 that matches the workpiece mounting hole 246. Figure 8 This is a structural example of a car caliper being loaded and measured using the method of this embodiment. The car caliper measuring device of the present invention is also applicable to the loading and measurement of car calipers with other structures, and the method of this embodiment does not limit this.

[0045] The automotive caliper measuring device of this embodiment efficiently and stably loads the automotive caliper workpiece to be measured through a mold frame mechanism. It achieves accurate measurement of the angle and radius of the automotive caliper loaded on the mold frame mechanism through the device support body, moving mechanism and angle and radius measuring mechanism, thereby improving both measurement efficiency and measurement accuracy.

[0046] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A measuring device for automotive calipers, characterized in that, The automotive caliper measuring device includes a device support body, a mold frame mechanism, a moving mechanism, and an angle and radius measuring mechanism. The mold frame mechanism is located at the bottom of the device support body, the moving mechanism is slidably mounted on the upper part of the device support body, and the angle and radius measuring mechanism is slidably mounted on the moving mechanism. The angle and radius measuring mechanism includes a lifting and positioning component, a control component, and an angle and radius measuring component. When the lifting and positioning component is matched with the mold frame mechanism, the automotive caliper mounted on the mold frame mechanism can be measured by adjusting the angle and radius measuring component. The mold frame mechanism includes a mold frame support base, a first support component located on one side of the mold frame support base, and another support component fixed to the mold frame support base. The caliper mold frame is supported by a second support assembly on one side and a caliper mold frame assembled with the first and second support assemblies. The mold frame support base includes a mold frame support base base plate and a first support side plate and a second support side plate symmetrically arranged at both ends of the mold frame support base base plate. The first support side plate is provided with a center mounting hole, and the second support side plate is provided with a bearing mounting hole. The caliper mold frame can be rotated by rotating the second support assembly. The caliper mold frame is composed of an integrally connected fan ring part and a circular ring part. The inner side of the fan ring part is provided with a through fan ring cavity, and the inner side of the circular ring part is provided with a through circular cavity. The center of the fan-shaped side of the fan ring part is provided with a center support hole, and the upper fan-shaped end face of the fan ring part is provided with multiple workpiece mounting holes.

2. The automotive caliper measuring device according to claim 1, characterized in that, The main body of the device support includes a support base, four support columns fixedly mounted on the support base, two first fixing rods, and two second fixing rods. The support columns are evenly distributed on the inner sides of the four corners of the support base. The two first fixing rods are symmetrically distributed above the support base, and each first fixing rod is fixed by two support columns. The two second fixing rods are symmetrically distributed above the support base perpendicular to the first fixing rods, and each second fixing rod is fixed by two support columns.

3. The automotive caliper measuring device according to claim 1, characterized in that, The first support assembly includes a first center, a pressure spring and a fixing sleeve coaxially arranged on the outer side of the first center, and a first handwheel fixed to the outer end of the first center by a first locking nut. The first center is coaxially fitted into the center mounting hole on the first support side plate, and one end of the fixing sleeve is fixed to the first support side plate by a fastening screw. The second support assembly includes a second center, a connecting rod fixedly connected to the second center, a bearing and a fixing plate distributed along the axis of the connecting rod and coaxially arranged on the outer side of the connecting rod, and a second handwheel fixed to the outer end of the connecting rod by a second locking nut. The bearing is coaxially fitted into the bearing mounting hole on the second support side plate, and one end of the fixing plate is locked to the connecting rod by a fastening bolt. The inner side of the second center is arc-shaped.

4. The automotive caliper measuring device according to claim 2, characterized in that, The moving mechanism includes two parallel moving support assemblies, each consisting of a first moving support seat, a moving slide rod, and a second moving support seat. The first and second moving support seats are respectively mounted on two symmetrically arranged second fixed rods. One end of the moving slide rod is fixed by the first moving support seat, and the other end of the moving slide rod is fixed by the second moving support seat.

5. The automotive caliper measuring device according to claim 4, characterized in that, The moving mechanism also includes a moving measurement component, which consists of a measuring vernier, a measuring fixing part, a grating measuring part, and a vernier limiting part. The measuring vernier is fixedly disposed on the outer side of the first moving support seat on one side of the two moving support components. The measuring fixing part is disposed directly below the measuring vernier and parallel to the second fixing rod. The grating measuring part is fixedly disposed on the measuring vernier. The vernier limiting part is movably mounted on the measuring fixing part.

6. The automotive caliper measuring device according to claim 1, characterized in that, The lifting and positioning assembly includes a lifting rod, a central positioning part located at the bottom of the lifting rod, and a sliding platform mounted on the upper part of the lifting rod. The bottom of the central positioning part is conical, and the two ends of the sliding platform are matched with the moving mechanism and can slide along the moving mechanism. The lifting rod can move in the vertical direction.

7. The automotive caliper measuring device according to claim 6, characterized in that, The control assembly includes an encoder bracket and an encoder. The lower end of the encoder bracket is fixedly connected to the upper part of the sliding platform, and the upper end of the encoder bracket is fixedly connected to the top of the lifting rod. The encoder is fixedly mounted on the top of the encoder bracket.

8. The automotive caliper measuring device according to claim 6, characterized in that, The angle and radius measuring assembly includes a cantilever, a movable positioning part, a scale part, a fixed indicator part, and a movable indicator part. One end of the cantilever is rotatably connected to the upper end of the lifting rod. The scale part is parallel to a groove on one side of the cantilever. One end of the scale part is fixed by a fixed indicator part that is fixedly sleeved on the outside of the cantilever. The movable indicator part is slidably sleeved on the outside of the cantilever. The movable positioning part is fixedly installed at one end of the movable indicator part.

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