Double-caliper brake testing device

Abstract

According to the double-caliper brake test device provided by the invention, the gap adjustment between double calipers and double brake discs is realized through the test bench and the kidney-shaped hole of the mounting plate of the calipers 1. The caliper installation disc assembly of a symmetrical structure is adopted, lateral force generated by simultaneous braking at different angles in the double-caliper braking process is well eliminated, and the overall stress of a braking system is effectively reduced. The rotary flange shaft and the fixed end flange are in clearance fit through the bearing, so that the lateral force generated by the system in the brake test process is overcome, and the test system is more stable. A double-caliper brake test tool comprises a rotary flange shaft, a first brake disc, a first caliper, an arc plate, a first caliper mounting plate, a second brake disc mounting plate, a mounting disc, a second caliper mounting plate, a bearing gland, a bearing, a fixed end flange, a second caliper, a second brake disc and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of friction plate test technology, and relates to a double-caliper brake testing device, which is especially suitable for brake performance testing of automobile and motorcycle disc brake systems. BACKGROUND

[0002] Disc brakes have good braking effect and are easy to maintain, and are widely used in the automobile, motorcycle and rail transit industries. Therefore, the performance testing of friction plates and calipers is extremely important. At present, the main disc brake testing tool is single-caliper and single-friction-plate testing, which cannot meet the actual demand. Double-caliper and double-friction-plate braking scenarios have been widely applied to the braking industry. However, there is currently no related double-caliper and double-friction-plate testing device. SUMMARY

[0003] The utility model aims to provide a double-caliper brake testing device. The device can achieve double-caliper and double-friction-plate simultaneous braking, fill in the blank of double-caliper brake testing data, and provide more comprehensive testing parameters to better improve product performance.

[0004] The technical scheme of the utility model is as follows:

[0005] 1. The gap between the double calipers and the double brake discs is adjusted through the test bench slide and the caliper 1 mounting plate waist-shaped hole.

[0006] 2. The caliper mounting disc assembly with a symmetrical structure eliminates the lateral force generated during double-caliper braking at different angles, and effectively reduces the overall stress of the braking system.

[0007] 3. The clearance fit between the rotating flange shaft and the fixed end flange through the bearing overcomes the lateral force generated by the system during braking testing, making the testing system more stable.

[0008] The double-caliper brake testing tool comprises a rotating flange shaft 1, a brake disc 2, a caliper 3, an arc plate 4, a caliper mounting plate 5, a brake disc mounting plate 6, a mounting disc 7, a double-caliper mounting plate 8, a bearing gland 9, a bearing 10, a fixed end flange 11, a double caliper 12, a brake disc 13, and other components.

[0009] The rotating flange shaft 1 is shaped like a large needle, with a flange plate at the large end connected to the test bench flange, and a long shaft with two steps at the other end for mounting the brake disc.

[0010] The brake disc 1 is fixed on the step of the rotating flange shaft 1 by screws.

[0011] The brake two-disc mounting plate 6 is in the shape of a disc, which is connected with the rotating flange shaft 1 through screws and connected with the brake two-disc 13 through threaded holes on the major circle.

[0012] The fixed end flange 11 is in the structure of a flange plate with two ends, one end of which is connected with the flange of the slide table of the test bench, and the other end is connected with the mounting disc 7.

[0013] The mounting disc 7 is a large disc with a hollow center, the center hole of which is used for positioning the rotating flange shaft 1, the first circle of threaded holes around the center hole is used for mounting the two caliper mounting plates 8, the mounting disc is connected with the fixed end flange 11 through the second circle of threaded holes, and the symmetric stoppers on the edge of the disc are used for mounting the two arc plates 4.

[0014] The two caliper mounting plates 8 are in the special-shaped structure designed according to the mounting position of the calipers, the countersunk holes on the main cylinder are connected with the threaded holes of the mounting disc 7, and the holes on the protruding blocks in the upper oblique direction are used for fixing the two calipers 12.

[0015] The arc plate 4 is in the shape of a roof tile, and the two arc plates are symmetrically mounted on the mounting disc 7, the hollow space in the center of which is used for mounting the two caliper mounting plates 8 and the brake two-disc 13.

[0016] The one caliper mounting plate 5 is in the concave-shaped structure, which is lapped on the two arc plates 4 through the waist-shaped holes, the axial mounting distance between the one caliper mounting plate 5 and the arc plate 4 is adjusted through the waist-shaped holes, so as to adjust the gap between the one caliper 3 and the brake one-disc 2.

[0017] A double-caliper brake test device, comprising: a rotating flange shaft, a brake one-disc, a one caliper, a disc assembly, a one caliper mounting plate, a brake two-disc mounting plate, a two caliper mounting plate, a bearing press cover, a bearing, a fixed end flange, a brake two-disc, and a two caliper.

[0018] One end of the fixed end flange is connected with the flange of the main shaft of the tailstock of the test bench, and the other end is mounted with a bearing, and the bearing press cover is mounted on the fixed end flange for fixing the outer ring of the bearing.

[0019] The flange end of the rotating flange shaft is connected with the experimental flange of the test bench, the other end of the rotating flange shaft is a multi-stage stepped shaft, the front end of the multi-stage stepped shaft is connected with the bearing through the through hole in the middle of the disc assembly; the brake one-disc is mounted on the first stepped surface, the brake two-disc mounting plate is mounted on the second stepped surface, and the brake two-disc is mounted on the brake two-disc mounting plate.

[0020] The disc assembly is mounted and fixed with the fixed end flange, and the two caliper mounting plates are mounted on the side of the disc assembly away from the fixed end flange; the two calipers are fixed on the two caliper mounting plates and sleeved on the brake two-disc.

[0021] One caliper mounting plate is fixed on the disc assembly, and one caliper is fixed on the one caliper mounting plate and sleeved on the brake disc.

[0022] Further, the rotating flange shaft has a flange end and a three-step shaft, and the two step faces of the three-step shaft are provided with axial screw holes;

[0023] The brake disc is fastened on the first step face by screws;

[0024] The brake disc two mounting plate is fastened on the second step face by screws.

[0025] Further, the disc assembly comprises a mounting disc and two arc plates, and the arc plates are fixed symmetrically on the two side edges of the mounting disc.

[0026] Further, the one caliper mounting plate has a concave structure, and the two ends are fixedly connected with the two arc plates of the disc assembly;

[0027] The one caliper mounting plate is provided with an oblong hole, and the one caliper is connected and fixed with the one caliper mounting plate through the oblong hole and is adjusted in position on the one caliper mounting plate along the oblong hole.

[0028] Further, the two caliper mounting plate comprises a cylinder and an inclined protrusion;

[0029] The cylinder is fixedly connected with the mounting disc by screws, and the inclined protrusion is provided with a mounting hole for fixing the two calipers.

[0030] Further, the fixed end flange has a flange plate structure, and a bearing mounting hole is arranged in the middle of one end.

[0031] The advantages of the utility model are: 1. the gap between the two calipers and the brake disc 2 can be adjusted by the sliding end of the test bench, and the gap between the one caliper and the brake disc 1 can be adjusted through the waist-shaped hole of the one caliper mounting plate, so that the gap between the two calipers can be freely adjusted; 2. the symmetrical disc assembly structure cleverly offsets the lateral force generated by the two brake calipers simultaneously, reduces the stress condition of the test bench; 3. the rotating flange shaft and the bearing gap in the fixed end flange are matched, the assembly is convenient, the relative position between the brake disc and the caliper during the test process can be ensured, and the product test process is protected from damage; 4. simple structure, convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is the general assembly structure schematic diagram of the utility model.

[0033] Figure 2 、 Figure 3 It is the structure diagram of the utility model, and the purpose is to clearly express the working principle structure of the double brake caliper.

[0034] Wherein, 1 is a rotating flange shaft, 2 is a brake one disc, 3 is a clamp, 4 is a circular arc plate, 5 is a clamp mounting plate, 6 is a brake two disc mounting plate, 7 is a mounting disc, 8 is a two clamp mounting plate, 9 is a bearing gland, 10 is a bearing, 11 is a fixed end flange, 12 is a two clamp, 13 is a brake two disc, and the double clamp brake test tool is composed of the above components.

[0035] Figure 4 It is a schematic view of a disc assembly.

[0036] Figure 5 It is a schematic view of a two clamp mounting plate structure. DETAILED DESCRIPTION

[0037] The following is combined Figure 2 The utility model structure view, further detailed description of the utility model.

[0038] The flange end of the rotating flange shaft 1 is connected with the experimental flange of the test bench.

[0039] The brake one disc is fastened at the first step of the rotating flange shaft 1 by a screw.

[0040] The brake two disc mounting plate 6 is fastened at the second step of the rotating flange shaft 1 by a screw.

[0041] The brake two disc 13 is fastened on the brake two disc mounting plate 6 by a screw.

[0042] The bearing 10 is pressed into the fixed end flange 11, the bearing gland 9 is pressed against the outer ring of the bearing 10, and is fixed on the fixed end flange 11 by a screw.

[0043] The fixed end flange 11 (the flange end away from the bearing gland 9) is connected with the tailstock spindle flange of the test bench by a screw.

[0044] The two circular arcs 4 are connected with the mounting disc 7 by a pin and a bolt, forming a disc assembly.

[0045] The mounting disc 7 in the disc assembly is connected with the fixed end flange 11 by a screw.

[0046] The two clamp mounting plate 8 is connected with the mounting disc 7 by a screw.

[0047] The two clamp 12 is sleeved on the brake two disc 13, then the tailstock spindle of the test bench is moved to a suitable distance, and the two clamp 12 is connected with the two clamp mounting plate 8 by a screw.

[0048] The one clamp 3 is fastened on the one clamp mounting plate 5 by a screw.

[0049] The one clamp 3 is sleeved on the brake one disc 2, and the one clamp mounting plate 5 is connected with the two circular arc plates 4 by a screw through distance adjustment of a waist-shaped hole.

[0050] Transmission scheme: the test bench test flange provides rotary power, the rotary power is transmitted to the rotary flange shaft, the rotary flange shaft transmits power to brake one disc and brake two discs, so as to complete the transmission of power.

[0051] Working principle:

[0052] After the double caliper tool is installed on the test bench, the test bench is started to drive the brake disc to rotate, the test bench is rotated to the corresponding inertia, the caliper is started to brake, the torque generated when the caliper brakes can be collected by the tension and compression force sensor at the sliding end of the test bench, the temperature of the brake disc, the braking time and other related data of the double caliper braking.

[0053] In summary, the utility model discloses a rotary flange shaft carries two brake discs to rotate simultaneously, two calipers pass through the waist-shaped hole of the test bench sliding end and the mounting plate, and the position of the caliper is adjusted. It fills the blank of double caliper test, provides effective test data for disc brake products, and improves product quality. The double caliper brake test tool has a clever structure, is easy to align, is convenient to install, and improves product test efficiency.

[0054] The above-described embodiments only express the preferred implementation of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the utility model. It should be pointed out that, for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A dual caliper brake testing apparatus, characterized by, The utility model relates to a test bench for testing the performance of a brake disc, comprising: a rotating flange shaft, a first brake disc, a first caliper, a disc assembly, a first caliper mounting plate, a second brake disc mounting plate, a second caliper mounting plate, a bearing gland, a bearing, a fixed end flange, a second brake disc, and a second caliper; one end of the fixed end flange is connected to a flange of a main shaft of a tailstock of the test bench, and the other end is provided with a bearing, and the bearing gland is mounted on the fixed end flange to fix the outer ring of the bearing; the flange end of the rotating flange shaft is connected to an experimental flange of the test bench, and the other end of the rotating flange shaft is a multi-stage stepped shaft, the front end of the multi-stage stepped shaft is connected to the bearing through a through hole in the middle of the disc assembly; the first brake disc is mounted on the first stepped surface, the second brake disc mounting plate is mounted on the second stepped surface, and the second brake disc is mounted on the second brake disc mounting plate; the disc assembly is mounted and fixed to the fixed end flange, and the second caliper mounting plate is mounted on the side of the disc assembly away from the fixed end flange; the second caliper is fixed to the second caliper mounting plate and is sleeved on the second brake disc; the first caliper mounting plate is fixed to the disc assembly, and the first caliper is fixed to the first caliper mounting plate and is sleeved on the first brake disc.

2. The apparatus of claim 1, wherein: one end of the rotating flange shaft is a flange end, and the other end is a three-stage stepped shaft, and the two stepped surfaces of the three-stage stepped shaft are each provided with an axial screw hole; the first brake disc is fastened to the first stepped surface by screws; the second brake disc mounting plate is fastened to the second stepped surface by screws.

3. The apparatus of claim 1, wherein: The disc assembly comprises a mounting disc and two arc plates, and the arc plates are symmetrically fixed to the edges of the two sides of the mounting disc.

4. The apparatus of claim 3, wherein: The first caliper mounting plate has a concave structure, and the two ends are fixedly connected to the two arc plates of the disc assembly; the first caliper mounting plate is provided with an oblong hole, the first caliper is connected and fixed to the first caliper mounting plate through the oblong hole, and the position of the first caliper on the first caliper mounting plate is adjusted along the oblong hole.

5. The apparatus of claim 3, wherein: The second caliper mounting plate comprises a cylinder and an inclined protrusion; the cylinder is fixedly connected to the mounting disc by screws, and the inclined protrusion is provided with a mounting hole for fixing the second caliper.

6. The apparatus of claim 1, wherein: The fixed end flange has a flange plate structure, and the middle of one end is provided with a bearing mounting hole.

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