Armrest tensile strength testing equipment

Abstract

The utility model discloses handrail tensile strength testing equipment which comprises a horizontally-arranged supporting base, a fixing plate is fixedly installed at the rear end of the upper surface of the supporting base, a recording camera is fixedly installed on the surface of the front side of the fixing plate, and a supporting transverse frame is fixedly installed on the surface of the front side of the upper end of the fixing plate. A horizontally-arranged mounting plate is mounted on the upper surface of the supporting base, two first sliding blocks which are in bilateral symmetry are arranged above the mounting plate, and mounting bolts are fixedly mounted on the upper surfaces of the first sliding blocks. According to the handrail tensile strength testing equipment, a novel structural design is adopted, the first sliding blocks can slide on the limiting slide ways, handrail pipe fittings of different sizes can be installed on the device by changing the distance between the first sliding blocks on the left side and the right side, and the first sliding blocks are fixed through the fixing bolts after position adjustment is completed; moreover, accurate spacing data can be obtained through the cooperation between the positioning pointer and the scale marks in the adjustment process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of strength test, specifically is handrail tensile strength test equipment. BACKGROUND

[0002] The handrails in the bathroom are used for hand holding when bathing, thereby achieving the purpose of stabilizing the body, and are widely applied in families of old people with inconvenient movement, and the handrails have higher requirements on the strength of the handrails, so that the handrails are not damaged when suddenly stressed, so the strength of the handrails needs to be tested during production, and the handrails are put into the market only after meeting the standards.

[0003] In the prior art, the Chinese patent with the application number CN201210162538.3 discloses a handrail test device and a handrail strength test method, which aims to provide a handrail test device and a strength test method that can simulate the actual use of the handrail, test the handrail from different angles, and comprehensively test the handrail, so as to accurately judge the strength performance of the handrail and the safety of the handrail when used by passengers. The handrail test device comprises a tension machine table, an upper mounting seat, a lower mounting seat for fixing the handrail, and an angle adjusting seat capable of adjusting the angle of inclination, the lower mounting seat is arranged on the angle adjusting seat, and the upper mounting seat is used to connect the handrail and the tension machine table.

[0004] In combination with the above-mentioned material, it can be known that in the prior art, the handrail can be installed on the fixing seat and then tested by the tension device, but in the actual use process, the size and hole position of the mounting seat are fixed, so that only one size of handrail can be fixed and tested, and the overall use has certain limitations. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide handrail tensile strength test equipment to solve the problem of the use limitation in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: Handrail tensile strength test equipment, including the support base of horizontal placement, the fixed plate is fixedly installed on the upper surface rear end of support base, the recording camera is fixedly installed on the front side surface of fixed plate, and the support cross is fixedly installed on the front side surface of fixed plate upper end, the installation plate of horizontal setting is installed on the upper surface of support base, and the two first sliding blocks of left and right symmetry are provided on the installation plate upper side, and the installation bolt is fixedly installed on the first sliding block upper surface, and the handrail pipe spare that needs to test is fixedly installed through the installation bolt and the first sliding block, the adjusting mechanism that is used for adjusting the interval between the first sliding block and the installation plate is arranged, so as to adapt to different handrail pipe spare.

[0007] Preferably, the adjusting mechanism includes a limiting slide way fixedly installed on the upper surface of the installation plate at the middle position, and the first sliding block and the limiting slide way form a left-right sliding structure, and a fixing bolt for fixing the first sliding block is screw installed on the front side of the first sliding block.

[0008] Preferably, a positioning pointer parallel to the first sliding block is fixedly installed on the lower end of the front side of the first sliding block, and the positioning pointer and the scale line fixedly arranged on the upper surface of the installation plate correspond to each other.

[0009] Preferably, a limiting slide groove in strip structure is formed in the installation plate, and a limiting column forming a sliding structure with the limiting slide groove is arranged on the inner side of the limiting slide groove.

[0010] Preferably, the lower end of the limiting column is fixedly connected with the upper surface of the support base, and the pusher cylinder for pushing the installation plate to move is fixedly installed on the left and right sides of the upper surface of the support base.

[0011] Preferably, a second sliding block is installed on the upper end of the telescopic cylinder, the second sliding block is rotatably connected with the telescopic cylinder, and a front-rear sliding structure is formed between the second sliding block and the support cross.

[0012] Preferably, a moving roller is rotatably installed above the second sliding block, the moving roller is in friction fit with the inner side of the support cross, and a driving motor for driving the moving roller is fixedly installed in the second sliding block.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the handrail tensile strength test equipment adopts a novel structure design, and the specific contents are as follows:

[0014] 1, the handrail pipe is fixedly installed on the first sliding block through the mounting bolt, then the telescopic cylinder is started to drive the tension sensor to move upwards, at this time, the connecting buckle connected with the tension sensor pulls a position of the handrail pipe, the purpose of testing strength is achieved, and real-time data is recorded by using the tension sensor in the process;

[0015] Further, the first sliding block can slide on the limiting slide, the device can be installed with handrail pipes of different sizes by changing the distance between the left and right first sliding blocks, the first sliding block is fixed by the fixing bolt after the position adjustment is completed, and accurate distance data can be obtained by cooperation between the positioning pointer and the scale line during the adjustment;

[0016] Further, the pushing cylinder is started to make the pushing cylinder push the mounting plate to slide left and right on the supporting base (at this time, the limiting slide groove opened in the mounting plate slides relative to the limiting column), so that the left and right positions of the mounting plate are changed, the connecting buckle corresponds to different positions of the handrail pipe, and more comprehensive testing is achieved.

[0017] 2, the driving motor in the second sliding block is started to make the driving motor drive the moving roller to rotate, at this time, the second sliding block slides forward and backward by utilizing the friction force between the moving roller and the supporting cross frame, so that the angle of the telescopic cylinder is changed, and the handrail pipe can be tested from different angles. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a telescopic cylinder and a tension sensor connection relationship structure schematic view of the utility model;

[0020] Figure 3 It is a mounting plate structure schematic view of the utility model;

[0021] Figure 4 It is a mounting plate lower surface structure schematic view of the utility model;

[0022] Figure 5 It is a Figure 2 It is a structure schematic view of the utility model A place;

[0023] Figure 6 It is a second sliding block lower surface structure schematic view of the utility model;

[0024] Figure 7 It is a second sliding block internal structure schematic view of the utility model.

[0025] In the figure: 1, support base; 2, fixed plate; 3, support cross; 4, mounting plate; 5, first sliding block; 6, mounting bolt; 7, handrail pipe; 8, telescopic cylinder; 9, tension sensor; 10, connecting buckle; 11, limiting slide; 12, positioning pointer; 13, scale line; 14, fixing bolt; 15, limiting sliding groove; 16, limiting column; 17, push cylinder; 18, recording camera; 19, second sliding block; 20, moving roller; 21, driving motor. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Embodiment one: please refer to Figures 1-2 In order to achieve the purpose of testing strength, the technical scheme is provided as follows, and the specific disclosure is as follows: the horizontally placed support base 1 is fixedly installed with the fixed plate 2 on the upper surface of the rear end, and the support cross 3 is fixedly installed on the upper end of the front side surface of the fixed plate 2, the recording camera 18 is fixedly installed on the front side surface of the fixed plate 2, the horizontally arranged mounting plate 4 is installed on the upper surface of the support base 1, the two first sliding blocks 5 that are symmetrical left and right are arranged above the mounting plate 4, the mounting bolt 6 is fixedly installed on the upper surface of the first sliding block 5, the handrail pipe 7 that needs to be tested is fixedly installed through the mounting bolt 6 and the first sliding block 5, the telescopic cylinder 8 is arranged below the support cross 3, the lower end of the telescopic cylinder 8 is fixedly installed with the tension sensor 9, the tension sensor 9 is fixedly connected with the connecting buckle 10 through the rope, and the connecting buckle 10 is arranged outside the handrail pipe 7.

[0028] When using the device, first, the handrail pipe 7 that needs to be tested is installed above the first sliding block 5 through the mounting bolt 6, then the connecting buckle 10 is wrapped outside the handrail pipe 7 and connected with the pull rope below the tension sensor 9, finally, the telescopic cylinder 8 is started, the telescopic cylinder 8 is driven to move upwards by contraction, so that the connecting buckle 10 pulls the handrail pipe 7 to achieve the purpose of testing strength, in this process, the tension sensor 9 records the tension data in real time, and the recording camera 18 shoots the whole test process.

[0029] Embodiment two: please refer to Figures 3-4The embodiment is provided with the following technical scheme in order to achieve the purpose of comprehensive testing, and specifically discloses that an adjusting mechanism for adjusting the distance between the first sliding block 5 and the mounting plate 4 is arranged to adapt to different handrail pipe fittings 7, the adjusting mechanism comprises a limiting slide 11 fixedly installed at the middle position of the upper surface of the mounting plate 4, the first sliding block 5 and the limiting slide 11 form a left-right sliding structure, a fixing bolt 14 for fixing the first sliding block 5 is screw-installed at the front side of the first sliding block 5, a positioning pointer 12 parallel to the first sliding block 5 is fixedly installed at the lower end of the front side of the first sliding block 5, the positioning pointer 12 and a scale line 13 fixedly arranged on the upper surface of the mounting plate 4 correspond to each other, a limiting sliding groove 15 in a strip structure is formed in the mounting plate 4, and a limiting column 16 forming a sliding structure with the limiting sliding groove 15 is arranged in the limiting sliding groove 15, the lower end of the limiting column 16 is fixedly connected with the upper surface of the supporting base 1, and the supporting base 1 is fixedly installed with a push cylinder 17 for pushing the mounting plate 4 to move on the left and right sides of the upper surface thereof.

[0030] When facing different sizes of the handrail pipe fittings 7, first, the fixing bolt 14 is loosened, then the first sliding blocks 5 on the left and right sides are slid on the limiting slide 11, the distance between the two first sliding blocks 5 is changed, and the specific distance between the two first sliding blocks 5 is quickly determined by the cooperation between the positioning pointer 12 and the scale line 13 during the movement of the first sliding blocks 5, when the distance reaches the size of the handrail pipe fitting 7, the fixing bolt 14 is tightened to fix the first sliding block 5, then the operation of the embodiment one is implemented to achieve the purpose of testing the strength, after the strength test at one position is completed, the push cylinder 17 is started to push the mounting plate 4, at this time, the limiting sliding groove 15 formed in the mounting plate 4 slides relative to the limiting column 16, so that the position of the mounting plate 4 is changed, and finally the relative position of the connecting buckle 10 and the handrail pipe fitting 7 is adjusted, so as to achieve the purpose of testing different positions of the handrail pipe fitting 7.

[0031] Embodiment three: please refer to Figures 5-7 The embodiment provides the following technical scheme, and specifically discloses that the second sliding block 19 is installed at the upper end of the telescopic cylinder 8 and is rotationally connected with the telescopic cylinder 8, the second sliding block 19 and the supporting cross frame 3 form a front-rear sliding structure, the moving roller 20 is rotationally installed above the second sliding block 19, the moving roller 20 is in frictional contact with the inner side of the supporting cross frame 3, and the driving motor 21 for driving the moving roller 20 is fixedly installed in the second sliding block 19.

[0032] During the test, the driving motor 21 in the second sliding block 19 is started to drive the moving roller 20 to rotate, so that the friction force of the moving roller 20 drives the second sliding block 19 to move forward and backward relative to the supporting cross frame 3, and the angle of the telescopic cylinder 8 is changed to apply a pulling force to the handrail pipe fitting 7 in different directions.

[0033] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill 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, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A handrail tensile strength testing device, comprising a horizontally placed support base (1), a fixed plate (2) is fixedly installed on the upper surface of the rear end of the support base (1), and a support cross (3) is fixedly installed on the upper end of the front surface of the fixed plate (2), characterized in that: A recording camera (18) is fixedly installed on the front surface of the fixed plate (2); A horizontally arranged mounting plate (4) is installed on the upper surface of the support base (1), two first sliding blocks (5) are symmetrically arranged above the mounting plate (4), mounting bolts (6) are fixedly installed on the upper surface of the first sliding blocks (5), and the handrail pipe (7) to be tested is fixedly installed on the first sliding blocks (5) through the mounting bolts (6); An adjusting mechanism is arranged between the first sliding blocks (5) and the mounting plate (4) to adjust the distance therebetween to adapt to different handrail pipes (7); A telescopic air cylinder (8) is arranged below the support cross (3), a tensile force sensor (9) is fixedly installed on the lower end of the telescopic air cylinder (8), the tensile force sensor (9) is fixedly connected with a connecting buckle (10) through a rope, and the connecting buckle (10) is arranged outside the handrail pipe (7).

2. The handrail tensile strength testing apparatus of claim 1, wherein: The adjusting mechanism comprises a limiting slide (11) fixedly installed on the upper surface of the mounting plate (4) at the middle position, a left-right sliding structure is formed between the first sliding blocks (5) and the limiting slide (11), and a fixing bolt (14) is threadedly installed on the front side of the first sliding blocks (5) to fix the first sliding blocks (5).

3. The handrail tensile strength testing apparatus of claim 2, wherein: A positioning pointer (12) parallel to the first sliding blocks (5) is fixedly installed on the front lower end of the first sliding blocks (5), and the positioning pointer (12) corresponds to a scale line (13) fixedly arranged on the upper surface of the mounting plate (4).

4. The handrail tensile strength testing apparatus of claim 3, wherein: A limiting sliding groove (15) in strip structure is formed in the mounting plate (4), and a limiting column (16) in sliding structure is arranged in the limiting sliding groove (15).

5. The handrail tensile strength testing apparatus of claim 4, wherein: The lower end of the limiting column (16) is fixedly connected with the upper surface of the support base (1), and a pushing air cylinder (17) for pushing the mounting plate (4) to move is fixedly installed on the left and right sides of the upper surface of the support base (1).

6. The handrail tensile strength testing apparatus of claim 1, wherein: A second sliding block (19) is installed on the upper end of the telescopic air cylinder (8), the second sliding block (19) is rotatably connected with the telescopic air cylinder (8), and a front-rear sliding structure is formed between the second sliding block (19) and the support cross (3).

7. The handrail tensile strength testing apparatus of claim 6, wherein: A moving roller (20) is rotatably installed above the second sliding block (19), the moving roller (20) is in frictional contact with the inner side of the support cross (3), and a driving motor (21) for driving the moving roller (20) is fixedly installed in the second sliding block (19).

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