Automobile shock absorber valve plate hardness detection equipment

Abstract

The utility model relates to the technical field of hardness detection, in particular to hardness detection equipment for a valve plate of an automobile shock absorber. The device comprises a bottom frame, a top frame and a detection assembly, and the bottom frame is provided with a placement assembly and a plurality of supporting rods; the top frame is arranged on the multiple supporting rods, a hydraulic cylinder is further arranged on the top frame, and a mounting frame is arranged at the output end of the hydraulic cylinder; the detection assembly comprises a hardness detector arranged at the bottom end of the mounting frame, a fixing ring detachably arranged on the hardness detector, a plurality of rollers rotationally arranged on the fixing ring in an annular shape, two lifting blocks which are oppositely distributed and are in rolling contact with the rollers, and a clamping cylinder which is in sliding contact with the two lifting blocks; and the adjusting assembly is arranged on the two lifting blocks and the clamping cylinder. According to the utility model, the valve core is pressed down through the hardness detector, and the valve core pushes the lifting block to rise, so that the hardness of the valve core is obtained according to the height difference between the bottom end of the lifting block and the bottom end of the valve core, the detection speed of the valve core is improved, and the working intensity of a user is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hardness detection, particularly to a hardness detection equipment for automobile shock absorber valve plate. BACKGROUND

[0002] Hardness is one of the most commonly used indicators for evaluating the mechanical properties of metal materials. For the material being tested, hardness is a comprehensive performance that reflects elasticity, plasticity, strength, toughness, and wear resistance under the action of a certain indenter and test force.

[0003] A hardness detection equipment for automobile shock absorber valve plate is disclosed in Chinese Patent No. CN220356870U, which includes a rack, a hardness testing assembly for detecting the hardness of the valve plate, and a compression assembly for fixing the valve plate on the top of the rack. The bottom of the rack is provided with a rotating assembly connected to the test table. The hardness testing assembly is located above the left side of the test table, and the compression assembly is located above the right side of the test table. The hardness detection equipment for automobile shock absorber valve plate has a simple structure and is easy to use. By setting the hardness testing assembly on the rack, the hardness testing assembly can perform multiple hardness tests on the products on the test table under the rotation of the rotating assembly, improving the work efficiency.

[0004] However, the above technical solution has the following problems: when the equipment detects the automobile valve plate, the first screw rod drives the hardness detector to press down the valve plate, and then manually measures the depth of the notch left by the hardness detector on the valve plate to detect the hardness of the valve plate, thereby increasing the user's work intensity. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a hardness detection equipment for automobile shock absorber valve plate, which presses down the valve core through the hardness detector, the valve core pushes up the lifting block, and then the height difference between the bottom end of the lifting block and the bottom end of the valve core is used to obtain the hardness of the valve core, thereby improving the detection speed of the valve core and reducing the user's work intensity.

[0006] The technical solution of the utility model is a hardness detection equipment for automobile shock absorber valve plate, which includes a chassis, a top frame, a detection assembly, and a adjusting assembly. The chassis is provided with a placing assembly and multiple support rods. The top frame is arranged on the multiple support rods and is further provided with a hydraulic cylinder. The output end of the hydraulic cylinder is provided with a mounting bracket. The detection assembly includes a hardness detector arranged at the bottom end of the mounting bracket, a fixing ring detachably arranged on the hardness detector, multiple rollers rotatably arranged on the fixing ring in a ring shape, two lifting blocks oppositely distributed and in rolling contact with the multiple rollers, a clamping cylinder in sliding contact with the two lifting blocks, and the adjusting assembly arranged on the two lifting blocks and the clamping cylinder.

[0007] Preferably, the lifting blocks are sequentially connected from top to bottom by a half cylinder and an inverted conical cylinder.

[0008] Preferably, the placing assembly comprises a receiving cylinder arranged on the base frame, a spring a arranged on the receiving cylinder, a lifting rod slidingly arranged on the receiving cylinder, a bearing arranged on the lifting rod, a placing plate arranged on the bearing, and a plurality of abutting columns arranged annularly at the bottom end of the placing plate.

[0009] Preferably, the adjusting assembly comprises a rack arranged on each of the two lifting blocks, a gear b rotatably arranged on the clamping cylinder and two gears a, a connecting rod coaxially arranged on the gear b, and a hand wheel arranged on the connecting rod.

[0010] Preferably, the gear b, the gear a and the rack are sequentially meshed and connected.

[0011] Preferably, a pressing frame is slidingly arranged on the mounting frame, and a spring b is connected between the mounting frame and the pressing frame.

[0012] Compared with the prior art, the valve piece placing device has the following beneficial technical effects:

[0013] In use, the user places the valve piece on the placing assembly, the hydraulic cylinder drives the mounting frame to descend, the pressing frame abuts against the top end of the valve piece, thereby fixing the valve piece and avoiding movement of the valve piece during detection, so as to ensure the detection accuracy of the valve piece, then the hardness detector is pressed on the valve piece under the pushing of the mounting frame and gradually presses a hole with a certain depth in the valve piece, the valve piece pushes the two lifting blocks to ascend until the hardness detector no longer extends into the valve piece, the adjusting assembly limits the movement of the lifting blocks under the action of their own gravity, then the user checks how long the hardness detector extends into the valve piece according to the lifting blocks, thereby improving the detection speed of the valve piece hardness and reducing the working intensity of the user. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of an embodiment of the valve piece placing device;

[0015] Figure 2 is a structural schematic view of a detection assembly in an embodiment of the valve piece placing device;

[0016] Figure 3 is a structural schematic view of a placing assembly in an embodiment of the valve piece placing device.

[0017] : 1, bottom frame; 2, support rod; 3, top frame; 4, placing assembly; 41, storage cylinder; 42, spring a; 43, lifting rod; 44, bearing; 45, placing plate; 46, abutting column; 5, hydraulic cylinder; 6, mounting frame; 7, hardness tester; 8, fixing ring; 9, roller; 11, lifting block; 12, clamping cylinder; 13, rack; 14, gear a; 15, gear b; 16, connecting rod; 17, hand wheel; 18, pressing frame; 19, spring b. DETAILED DESCRIPTION

[0018] Example one

[0019] As Figures 1-3 shown, the automobile shock absorber valve piece hardness detection equipment provided by the embodiment comprises a bottom frame 1, a top frame and a detection assembly, the bottom frame 1 is provided with a placing assembly 4 and a plurality of support rods 2; the top frame 3 is arranged on the plurality of support rods 2, and the top frame 3 is further provided with a hydraulic cylinder 5, and the output end of the hydraulic cylinder 5 is provided with a mounting frame 6; the detection assembly comprises a hardness tester 7 arranged at the bottom end of the mounting frame 6, a fixing ring 8 detachably arranged on the hardness tester 7, a plurality of rollers 9 arranged in a ring on the fixing ring 8, two lifting blocks 11 oppositely distributed and in rolling contact with the plurality of rollers 9, a clamping cylinder 12 in sliding contact with the two lifting blocks 11, and an adjusting assembly arranged on the two lifting blocks 11 and the clamping cylinder 12; and the hardness tester 7 is provided with a scale table.

[0020] The lifting block 11 is composed of a half cylinder and an inverted conical cylinder connected in sequence from top to bottom. The mounting frame 6 is slidably provided with a pressing frame 18, and the mounting frame 6 and the pressing frame 18 are connected with a spring b 19.

[0021] When the embodiment is used, the user places the valve piece on the placing assembly 4, the hydraulic cylinder 5 drives the mounting frame 6 to descend, and the pressing frame 18 abuts against the top end of the valve piece, so as to fix the valve piece and avoid the valve piece from moving during detection, thereby ensuring the detection accuracy of the valve piece, and then the hardness tester 7 is pressed on the valve piece under the pushing of the mounting frame 6 to gradually press a hole with a certain depth in the valve piece, the valve piece drives the two lifting blocks 11 to rise until the hardness tester 7 no longer extends into the valve piece, the adjusting assembly limits the movement of the lifting block 11 under the action of its own gravity, and then the user checks how long the hardness tester 7 extends into the valve piece according to the lifting block 11, so as to improve the detection speed of the hardness of the valve piece and reduce the working intensity of the user.

[0022] Example two

[0023] As Figure 1 and Figure 3As shown, the automobile shock absorber valve plate hardness testing device proposed in this embodiment, compared with the first embodiment, in this embodiment, the placement component 4 includes a storage cylinder 41 set on the base frame 1, a spring a42 set on the storage cylinder 41, a lifting rod 43 slidably set on the storage cylinder 41, a bearing 44 set on the lifting rod 43, a placement plate 45 set on the bearing 44, and a plurality of abutment posts 46 arranged in a ring at the bottom end of the placement plate 45.

[0024] In this embodiment, the valve core is placed on the placement plate 45, and then the placement plate 45 is rotated according to the user's needs, so that the user can adjust the position during multiple tests of the same valve core, and avoid placing the body under the hydraulic cylinder 5, thus ensuring the user's safety. When the hardness tester 7 presses down on the valve core, it will push the lifting rod 43 down. Multiple abutment posts 46 at the bottom of the placement plate 45 abut against the top of the base frame 1, thereby ensuring the stability of the valve core during testing and ensuring the accuracy of the valve core hardness test.

[0025] Example 3

[0026] like Figure 1 and Figure 2 As shown, this embodiment of the automotive shock absorber valve plate hardness testing device, compared to Embodiment 1, includes an adjusting assembly comprising a rack 13 mounted on each of two lifting blocks 11, a gear b15 and two gears a14 rotatably mounted on a clamping cylinder 12, a connecting rod 16 coaxially mounted on gear b15, and a handwheel 17 mounted on the connecting rod 16. Gear b15, gears a14, and rack 13 are sequentially meshed and connected.

[0027] In this embodiment, the valve core pushes the two lifting blocks 11 to rise. The lifting blocks 11 drive the gears a14 and b15 to rotate in sequence through the rack 13. When the lifting blocks 11 are not in contact with the valve core, the gears a14, b15 and rack 13 will lock in sequence to prevent the lifting blocks 11 from falling under their own weight. Then, the hardness of the valve core is determined according to the position of the lifting blocks 11. The user turns the handwheel 17, which drives the gears b15, a14 and rack 13 in sequence, thereby raising and lowering the lifting blocks 11 and improving the operability of the equipment.

[0028] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. An automobile shock absorber valve plate hardness detection device characterized by comprising: The utility model relates to a kind of hardness testing machine, including: Chassis (1), which is provided with a placing assembly (4) and a plurality of support rods (2) thereon; Top frame (3) is arranged on the plurality of support rods (2), and a hydraulic cylinder (5) is further arranged on the top frame (3), and the output end of the hydraulic cylinder (5) is provided with a mounting rack (6); The detection assembly includes a hardness detector (7) arranged at the bottom end of the mounting rack (6), a fixing ring (8) detachably arranged on the hardness detector (7), a plurality of rollers (9) rotatably arranged on the fixing ring (8) in a ring shape, two lifting blocks (11) oppositely distributed and in rolling contact with the plurality of rollers (9), a clamping cylinder (12) in sliding contact with the two lifting blocks (11), and an adjusting assembly arranged on the two lifting blocks (11) and the clamping cylinder (12).

2. The automobile shock absorber valve plate hardness detection device according to claim 1, characterized in that, The lifting block (11) is composed of a half cylinder and an inverted conical cylinder connected in sequence from top to bottom.

3. The automobile shock absorber valve plate hardness detection device according to claim 1, characterized in that, The placing assembly (4) includes a storage cylinder (41) arranged on the chassis (1), a spring a (42) arranged on the storage cylinder (41), a lifting rod (43) slidingly arranged on the storage cylinder (41), a bearing (44) arranged on the lifting rod (43), a placing plate (45) arranged on the bearing (44), and a plurality of abutting columns (46) arranged in a ring shape at the bottom end of the placing plate (45).

4. The automobile shock absorber valve plate hardness detection device according to claim 1, characterized in that, The adjusting assembly includes a rack (13) arranged on each of the two lifting blocks (11), a gear b (15) rotatably arranged on the clamping cylinder (12) and two gear a (14), a connecting rod (16) coaxially arranged on the gear b (15), and a hand wheel (17) arranged on the connecting rod (16).

5. The apparatus for detecting the hardness of a valve plate of an automobile shock absorber according to claim 4, wherein The gear b (15), the gear a (14) and the rack (13) are connected in meshing sequence.

6. The automobile shock absorber valve plate hardness detection device according to claim 1, characterized in that, A pressing frame (18) is slidingly arranged on the mounting rack (6), and a spring b (19) is connected between the mounting rack (6) and the pressing frame (18).

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