Angle-adjustable sample placing bracket for salt spray test

Abstract

The utility model belongs to the technical field of surface coating tests, and particularly relates to an angle-adjustable sample placing support for a salt spray test, which comprises a main frame, a sample clamping rod, a support rod, a slideway and a hinge, the main frame is rectangular, the width size of the main frame is matched with the internal size of a salt spray test box, and a plurality of equidistant clamping grooves are horizontally arranged on the main frame. The sample clamping rods are movably connected with the clamping grooves, two slideways are arranged below the main frame in parallel, the left side and the right side of the main frame are connected with the slideways through supporting rods respectively, and the two corners of the bottom of the main frame are connected with the slideways through hinges; one end of the supporting rod is connected with the middle point of the side frame of the main frame, and the other end of the supporting rod is movably connected with the sliding way. The device disclosed by the utility model has the beneficial effects that the test flexibility is improved, the diversified requirements on the placement angle of the sample under different test conditions are met by randomly adjusting the placement angle of the sample between 0 degree and 90 degrees, and the flexibility and comprehensiveness of the test are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to surface coating test technical field especially relates to a sample placing support with adjustable angle for salt spray test. BACKGROUND

[0002] In the field of material science, surface treatment and product quality detection, salt spray test as an important test method to simulate the corrosion performance of materials in marine climate environment is widely used to evaluate the corrosion resistance of metals, coatings, plastics and other materials. In traditional salt spray test, the placement of samples usually adopts fixed angle or simple support, which limits the flexibility and accuracy of the test. In some specific application scenarios, such as the need to study the corrosion behavior of materials under different inclination angles, the traditional sample holder cannot meet the test requirements, resulting in the test results may not fully reflect the true performance of the material.

[0003] The utility model discloses a kind of salt spray sample holders for guide rail steel sample of application No.202320018028.2 Chinese utility model patent, including clamping groove plate, connecting frame, card, fixed nut, liquid discharge hole, side fastening nut, connecting plate. Sample is placed between two cards across two clamping groove plates, the effect of placing different thickness samples is achieved by moving the position of card, tighten side fastening nut can fix card, connecting plate and clamping groove plate are an entirety, the distance between two clamping groove plates can be adjusted by moving connecting frame, it can be applicable to different length samples;The distance between two clamping groove plates can also be adjusted, the problem of irregular guide rail sample placement is solved.

[0004] The utility model discloses a kind of sample holders of salt spray test box of application No. CN201720703843.7 Chinese utility model patent, including first baffle and second baffle;First baffle and second baffle are equilateral connection, present included angle setting;First baffle and second baffle are equipped with open recess;The connecting part of first baffle and second baffle is opened with liquid discharge hole.The open recess of first baffle and second baffle of this sample holder can drain salt solution, and the liquid discharge hole of the connecting part of first baffle and second baffle can make salt solution flow.

[0005] Existing salt spray test sample holder mostly lacks adjustability and adaptability, cannot be flexibly adjusted according to the actual size of salt spray test box, and there is deficiency in sample holding stability and operation convenience. These problems not only affect test efficiency, but also may cause test data deviation due to unstable sample placement, affect accurate evaluation of product corrosion resistance. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose is to provide a kind of angle-adjustable sample placing support for salt spray test, overcome the deficiency of prior art, by adopting innovative main frame triangular support structure and the design of combination of slide, the flexible adjustment of the angle of sample is placed in salt spray test chamber is realized, range covers 0 ° to 90 ° Any angle, satisfy the diversification demand of sample multi-angle placement in salt spray test;In addition, the support also has telescopic function, the width of salt spray box can be adjusted according to specific size, ensure the adaptability and flexibility of use.

[0007] To achieve the above object, the utility model discloses the following technical scheme:

[0008] A kind of angle-adjustable sample placing support for salt spray test, including main frame, sample clamping rod, support rod, slide and hinge, main frame is rectangular, multiple equidistance clamping slots are horizontally arranged on main frame, sample clamping rod both ends are movably connected with clamping slot, two slides are parallelly arranged below main frame, main frame is connected with slide between left and right by a support rod, the bottom two corners of main frame are connected with slide by hinge;The midpoint of the side frame of main frame is connected with one end of support rod, and the other end of support rod is movably connected with slide.

[0009] Further, the slide is connected with three joint sleeve rods in the direction of extension line with hinge as starting point, the three joint sleeve rods are the socket nesting structure of three connecting rods, the lengths of the three connecting rods are equal, and are adjusted in extension according to the size of salt spray box, and the maximum length is equal to the total width of main frame.

[0010] Further, the number of clamping slots is 3-20; the width of the rod member of main frame is 15-50mm, the total length of main frame is 300-2500mm, and the total width is 200-1000mm.

[0011] Further, the cross section of sample clamping rod is unequal U-shaped, including front baffle, back baffle and bottom plate, the width of front baffle is 5-30mm, the width of back baffle is 20-80mm, the bottom plate is mesh plate structure, the width of bottom plate is 10-60mm, the bottom plate is connected with back baffle at fixed angle, the bottom plate and front baffle are connected through 90 degree self-locking nickel-plated folding hinge, and the width of bottom plate is less than the width of front baffle.

[0012] Further, the support rod and main frame are connected through functional screw with locking structure, the length of support rod is half of the total width of main frame, the end of support rod is connected with slide ball, the slide ball is located in slide, and the diameter of slide ball is 15-40mm.

[0013] Further, the slide is provided with scale marks, the width of the slide is 20-50mm, the length of the slide is the same as the total width of the main frame, the length L of the slide ball on the slide is adjusted according to the target sample inclination angle 0°≤θ≤90°, and L=2x*sinθ.

[0014] Further, the outermost end of the triplex sleeve rod is provided with a rubber module, the rubber module is overlapped on the sample rack support platform in the salt spray test box, the length of the rubber module is 20-60mm, the width of the rubber module is 20-60mm, and the material is any one of hydrogenated nitrile rubber, ethylene-propylene rubber and butyl rubber.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1) improve the test flexibility: through the realization sample placing angle is between 0° and 90° Arbitrary adjustment, satisfy the diversification demand of sample placing angle under different test conditions, strengthen the flexibility and comprehensiveness of test;

[0017] 2) enhance the adaptability: the telescopic function of the support makes it can be adjusted in width according to the actual size of the salt spray test box, improve the adaptability and universality of the device, applicable to a variety of specifications of salt spray test equipment;

[0018] 3) ensure the test accuracy: the stable holding design ensures the stability of the sample during the test, and the operation is simple, convenient to move, reduces the test error caused by sample movement or falling, guarantees the accuracy and reliability of test data;

[0019] 4) improve the operation convenience: the simple design structure makes the operation process simple and easy to understand, the device stably clamps the sample, and the support is adjusted and moved more conveniently and quickly, effectively improves the test efficiency and convenience, reduces the labor intensity of the operator, and has important significance for improving the accuracy and efficiency of salt spray test. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic diagram of the embodiment of the utility model;

[0021] Figure 2 It is the structure schematic diagram of the sample clamping rod in the embodiment of the utility model;

[0022] Figure 3 It is the connection schematic diagram of the slide ball and the slide in the embodiment of the utility model;

[0023] Figure 4 It is the connection schematic diagram of the support rod and the main frame in the embodiment of the utility model;

[0024] Figure 5is a clamping rod and the main frame overlap schematic diagram of the sample in the embodiment of the utility model;

[0025] Figure 6 is the main frame and the slide, triplex sleeve rod connection schematic diagram in the embodiment of the utility model;

[0026] Figure 7 is the state form change contrastive drawing in the embodiment of the utility model, (a) 0 ° (b) 20 ° (c) 30 ° (d) 45 ° (e) 60 ° (f) 90 °.

[0027] In the drawing: 1-main frame, 2-sample clamping rod, 3-supporting rod, 4-slide, 5-functional screw, 6-slide ball, 7-hinge, 8-triplex sleeve rod, 9-rubber module, 10-rear baffle, 11-front baffle, 12-bottom plate, 13-folding hinge, 14-clamping groove. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments, and obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0029] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the specific embodiments needed to be used in the description of the specific embodiment or prior art will be simply introduced, and obviously, the specific embodiments in the following description are some embodiments of the utility model, and for the ordinary skilled in the art, other specific embodiments can be obtained according to these specific embodiments without creative labor.

[0030] The components of the embodiments of the utility model described and shown in the specific embodiments here can be arranged and designed in numerous different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the specific embodiments is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0031] See Figures 1-7It is the utility model a sample placing support with adjustable angle for salt spray test embodiment structure schematic diagram, including main frame 1, sample clamping rod 2, support rod 3, slide 4 and hinge 7, main frame 1 is rectangle, set up multiple equidistance clamping groove 14 on main frame 1 horizontally, the both ends of sample clamping rod 2 are movably connected with clamping groove 14, two slides 4 are parallelly arranged below main frame 1, main frame 1 is connected with slide 4 through a support rod 3 between left and right, the length of support rod 3 is x, the bottom two corners of main frame 1 are connected with slide 4 through hinge 7. The material of main frame can be epoxy resin, polyurethane resin, polyester resin, acrylic resin. One end of support rod 3 is connected with the midpoint of the side frame of main frame 1, and the other end of support rod 3 is movably connected with slide 4.

[0032] Slide 4 is connected with three joint sleeve rods 8 in the direction of extension line with hinge 7 as the starting point, three joint sleeve rods 8 are the socket nesting structure of three connecting rods, the lengths of the three connecting rods are equal, and are adjusted in extension according to the size of salt spray box, and the maximum length is equal to the total width 2x of main frame 1.

[0033] The number of clamping grooves 14 is 3-20; the width of the rod of main frame 1 is 15-50 mm, the total length of main frame 1 is 300-2500 mm, and the total width (marked as 2x) is 200-1000 mm. The width size is matched with the internal size of Q-FOG salt spray test box.

[0034] The cross section of sample clamping rod 2 is unequal U-shaped, including front baffle 11, rear baffle 10 and bottom plate 12, the width of front baffle 11 is 5-30 mm, the width of rear baffle 10 is 20-80 mm, the bottom plate 12 is a mesh plate structure, the width of bottom plate 12 is 10-60 mm, the bottom plate 12 is connected with rear baffle 10 at a fixed angle, the bottom plate 12 and front baffle 11 are connected through 90-degree self-locking nickel-plated folding hinge 13, and the width of bottom plate 12 is less than the width of front baffle 11.

[0035] Support rod 3 is connected with main frame 1 through functional screw 5 with locking structure, the length of support rod 3 is half of the total width of main frame 1, the end of support rod 3 is connected with slide ball 6, slide ball 6 is located in slide 4, and the diameter of slide ball 6 is 15-40 mm.

[0036] Slide 4 is provided with scale marks, the width of slide 4 is 20-50 mm, the length of slide 4 is the same as the total width 2x of main frame 1, according to the target sample inclination angle range of 0°≤θ≤90°, the length L of slide ball 6 on slide 4 is adjusted, and L=2x*sinθ.

[0037] The outermost end of the triplex sleeve rod 8 is provided with a rubber module, which is overlapped on the sample rack support platform in the salt spray test box, the length of the rubber module is 20-60mm, the width is 20-60mm, and the material is any one of hydrogenated nitrile rubber, ethylene-propylene rubber and butyl rubber.

[0038] In the embodiment, the main parameters of the main frame 1 are shown in Table 1. The main parameters of the sample clamping rod are shown in Table 2. The length L of the slide ball 6 on the slide 4 is calculated according to the formula L=2x·sinθ. The main parameters of the main frame and the slide are shown in Table 3. The comparison chart of the support state form change of different inclination angles is shown in Figure 7 The main parameters of the main frame and the slide are shown in Table 4. The main parameters of the rubber module are shown in Table 5.

[0039] Table 1 Main parameters of main frame

[0040] Total length of main frame / mm Total width of main frame / mm Width of rod of main frame / mm Material Example 1 1400 420 20 Epoxy resin Example 2 1400 420 25 Epoxy resin Example 3 1200 420 30 Polyurethane resin Example 4 1200 420 30 Polyurethane resin Example 5 1000 420 40 Polyester resin Example 6 1000 420 45 Polyester resin

[0041] Table 2 Main parameters of sample clamping rod

[0042] Height of back plate / mm Height of front plate / mm Width of bottom plate / mm Number of clamping rods / piece Example 1 30 15 20 10 Example 2 30 18 22 9 Example 3 40 30 22 9 Example 4 50 45 25 8 Example 5 60 40 28 6 Example 6 70 55 30 6

[0043] Table 3 Main parameters of main frame and slide

[0044] Inclination θ / ° Calculation formula L=2x·sinθ L / mm Example 1 0 L1=420×sin0° 0 Example 2 20 L2=420×sin20° 144 Example 3 30 L3=420×sin30° 210 Example 4 45 L4=420×sin45° 297 Example 5 60 L5=420×sin60° 364 Example 6 90 L6=420×sin90° 420

[0045] Table 4 Main parameters of main frame and slide

[0046] Inclination θ / ° Calculation formula L=2x·sinθ L / mm Example 1 0 L1=420×sin0° 0 Example 2 20 L2=420×sin20° 144 Example 3 30 L3=420×sin30° 210 Example 4 45 L4=420×sin45° 297 Example 5 60 L5=420×sin60° 364 Example 6 90 L6=420×sin90° 420

[0047] Table 5 Main parameters of rubber module

[0048] Length of rubber module / mm Width of rubber module / mm Material Example 1 30 20 Butyl rubber Example 2 30 30 Butyl rubber Example 3 40 25 Hydrogenated nitrile rubber Example 4 40 30 Hydrogenated nitrile rubber Example 5 50 30 Ethylene-propylene rubber Example 6 50 40 Ethylene-propylene rubber

[0049] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An angle-adjustable sample placement stand for a salt spray test, characterized by, The utility model discloses a main frame, sample clamping rod, support rod, slide and hinge, the main frame is rectangle, and a plurality of equidistance clamping slots are arranged horizontally on the main frame, and the both ends of the sample clamping rod are movably connected with the clamping slots, two slides are arranged in parallel below the main frame, and each of the main frame left and right and the slide is connected through a support rod, and the bottom two corners of the main frame are connected with the slide through a hinge.

2. The angle-adjustable specimen placing stand for a salt spray test according to claim 1, wherein The slide is connected with three joint sleeve rods in the extension line direction from the hinge, the three joint sleeve rods are the socket nesting structure of three connecting rods, the lengths of the three connecting rods are equal, and are adjusted in extension according to the size of the salt spray chamber, and the maximum length is equal to the total width of the main frame.

3. The angle-adjustable specimen placing stand for a salt spray test according to claim 1, wherein The number of the clamping slots is 3-20, the width of the rod of the main frame is 15-50mm, the total length of the main frame is 300-2500mm, and the total width is 200-1000mm.

4. The angle-adjustable specimen placing stand for a salt spray test according to claim 1, wherein The cross section of the sample clamping rod is unequal U shape, including front baffle, back baffle and bottom plate, the width of the front baffle is 5-30mm, the width of the back baffle is 20-80mm, the bottom plate is net plate structure, the width of the bottom plate is 10-60mm, the bottom plate is connected with the back baffle at a fixed angle, the bottom plate is connected with the front baffle through 90 degree self-locking nickel-plated folding hinge, and the width of the bottom plate is less than the width of the front baffle.

5. The angle-adjustable specimen placing stand for a salt spray test according to claim 1, wherein The support rod is connected with the main frame through functional screw with locking structure, the length of the support rod is half of the total width of the main frame, the end of the support rod is connected with the slide ball, the slide ball is located in the slide, and the diameter of the slide ball is 15-40mm.

6. The angle-adjustable specimen placing stand for a salt spray test according to claim 1, wherein The slide is provided with scale mark, the width of the slide is 20-50mm, the length of the slide is equal to the total width of the main frame, the length L of the slide ball on the slide is adjusted according to the target sample inclination angle 0 DEG ≤ theta ≤ 90 DEG range, and L=2x*sin theta.

7. The angle-adjustable specimen placing stand for a salt spray test according to claim 2, wherein The outermost end of the three joint sleeve rods is provided with rubber module, the rubber module is overlapped on the sample rack support platform in the salt spray test chamber, the length of the rubber module is 20-60mm, the width is 20-60mm, and the material is any one of hydrogenated nitrile rubber, ethylene propylene rubber and butyl rubber.

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