Falling ball experimental device for testing impact resistance of impact-resistant wear-resistant glass

Abstract

The utility model relates to a falling ball experiment device for testing the impact resistance of impact-resistant wear-resistant glass, which belongs to the technical field of falling ball experiments and comprises a hollow upright post, a collecting box, a pressing frame, a lifting sliding block, a lifting locking mechanism, a support arm and a falling ball placing cylinder, a supporting plate is arranged above the support arm, one end of the supporting plate extends into the falling ball placing cylinder, and a tension spring is fixed at the other end of the supporting plate. A limiting hole is formed in the supporting arm, a limiting pin is arranged in the limiting hole, and the limiting pin is connected with a pull rope. The top supporting platform of the collecting box can support glass to be experimented, then the glass to be experimented is pressed through the pressing frame, the collecting box can effectively collect glass fragments generated in an experiment, the glass is pressed through the pressing frame, the fragments are prevented from splashing to hurt people, the glass is more convenient to take and place, and the design that the tension spring is matched with the limiting pin is adopted. Rapid resetting of the supporting plate and controllable release of the falling ball can be achieved, the convenience and safety of experiment operation are improved, the falling ball containing cylinder is aligned to the middle of the collecting box, it is ensured that the falling ball vertically impacts the center of glass, and experiment errors are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the drop ball experiment device of the anti -impact wear -resisting glass anti -impact performance of inspection belongs to drop ball experiment technical field. BACKGROUND

[0002] The anti -impact wear -resisting glass is widely used in building, traffic, electronics and multiple fields, and the anti -impact performance is one of the core indexes of measuring product quality. Drop ball impact experiment is a commonly used method for detecting glass anti -impact performance, which simulates the impact of heavy objects on glass, observes the damage of glass, and judges the anti -impact grade.

[0003] The existing drop ball experiment device, the release of the drop ball is not accurate, the stability is poor, the glass fragments are easy to splash in the experiment process, the glass is not easy to collect and take, and the problems are not easy to solve, which not only affects the accuracy and repeatability of the experimental results, but also may cause safety hazards to the experimenters, and it is difficult to meet the detection needs of the anti -impact wear -resisting glass. UTILITY MODEL CONTENTS

[0004] The utility model provides drop ball experiment device of the anti -impact wear -resisting glass anti -impact performance of inspection, solves the problem in the above background art.

[0005] The utility model relates to the drop ball experiment device of the anti -impact wear -resisting glass anti -impact performance of inspection, including vertical square hollow stand, the square collection box is equipped with the hollow stand side, the top of collection box is equipped with support platform, the upper square of support platform is equipped with pressure frame, the hollow stand is equipped with lifting slide block, lifting slide block is connected with lifting locking mechanism, the outer side of lifting slide block is fixed with support arm, the outer end of support arm is fixed with the drop ball placement cylinder in the middle of collection box just above, support arm top is equipped with the supporting plate, the one end of supporting plate goes into drop ball placement cylinder, the other end of supporting plate is fixed with tension spring, the other end of tension spring hangs on lifting slide block, the limit hole is equipped on support arm, the limit pin is equipped in limit hole, and the limit pin is connected with pull rope.

[0006] As a preferred, the hollow stand is equipped with the open slot along the vertical direction near one side of collection box, the lifting slide block is in the hollow stand inner chamber, and the guide sliding slot that cooperates with the open slot side wall is equipped on the lifting slide block. The guide sliding slot and the open slot side wall slide cooperation, can the guiding effect of lifting slide block's lifting movement is avoided, the deviation, the jam of lifting slide block in the lifting process, guarantees the stability of lifting movement.

[0007] As a kind of preferred, lifting locking mechanism includes rotating shaft installed on the upper and lower ends of hollow column away from the side of fixed support arm, the upper and lower rotating shaft is fixed with sprocket, chain is connected between two sprockets, hollow column upper and lower ends are equipped with the access for the upper and lower sprocket to extend into its inner cavity, chain fixedly connected lifting slider, rotating shaft is connected with locking device. The transmission cooperation of sprocket and chain can realize the stable lifting of lifting slider, and transmission efficiency is high and not easy to wear.

[0008] As a kind of preferred, locking device includes the ratchet wheel fixed with the lower rotating shaft, the ratchet wheel is connected with pawl above, and the upper end of pawl is hinged to hollow column. The one-way clamping cooperation of pawl and ratchet wheel can realize reliable locking of rotating shaft, can effectively prevent lifting slider from descending under its own gravity, ensure that the ball height remains stable, while the hinged pawl is convenient for quick unlocking, and it is convenient for experiment personnel to flexibly adjust the ball height, and the locking reliability and operation convenience are considered.

[0009] The lower rotating shaft is fixed with rotating hand wheel at one end.

[0010] As a kind of preferred, the support arm is fixed with support plate below the limiting hole, the limiting pin is fixed with fixing ring at lower end, and the fixing ring is fixed with pull rope.

[0011] As a kind of preferred, the front side wall of hollow column is fixed with guide ring, and the other end of pull rope is connected with pull ring through guide ring. The guide ring plays a guiding role on pull rope, avoids winding and deviation of pull rope during pulling process, ensures that limiting pin can be smoothly pulled out, and the design of pull ring is convenient for experiment personnel to hold and pull, can realize remote release of ball, and experiment personnel do not need to approach falling area of ball, significantly improve the safety of experimental operation.

[0012] As a kind of preferred, the left end of supporting plate is provided with upward flange, the supporting plate is provided with guide strip hole in left-right direction, the guide strip hole is provided with guide bolt fixed on support arm, and the ball placing cylinder is provided with socket for inserting supporting plate. The cooperation of guide strip hole and guide bolt plays a guiding role on left-right movement of supporting plate, avoids deviation of supporting plate during movement.

[0013] As a kind of preferred, the rear side wall of hollow column is fixed with vertical scale, and the lifting slider is fixed with scale pointer. It is convenient for experiment personnel to quickly and accurately read the falling height of ball, and the accurate adjustment of different impact height can be realized according to experimental requirements.

[0014] The utility model has the following beneficial effects:

[0015] The collection box top supporting platform can support the glass to be experimented, then the collection box can effectively collect the glass fragments generated by the experiment by pressing the frame to press the glass, the frame is pressed to the glass to avoid the fragments from splashing and hurting people, and the glass is more convenient to take and place, the design of the tension spring and the limiting pin can realize the quick resetting of the supporting plate and the controllable release of the falling ball, the convenience and safety of the experimental operation are improved, the falling ball placing cylinder is aligned with the middle of the collection box, the falling ball is ensured to vertically impact the center of the glass, and the experimental error is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a partial structure schematic diagram of Figure 1 ; Figure 1

[0018] Figure 3 It is a partial structure schematic diagram of Figure 1 ; Figure 2

[0019] Figure 4 It is a top structure schematic diagram of the hollow column and the lifting slider cooperation;

[0020] Figure 5 It is a top structure schematic diagram of the falling ball placing cylinder and the supporting plate cooperation;

[0021] Figure 6 It is a side structure schematic diagram of the ratchet wheel and the pawl cooperation;

[0022] Figure 7 It is a side structure schematic diagram of the scale place;

[0023] Figure 8 It is a partial structure schematic diagram of Figure 7 ;

[0024] In the drawing: 1, frame; 2, collection box; 3, hollow column; 4, pull rope; 5, chain wheel; 6, rotating hand wheel; 7, chain; 8, lifting slider; 9, supporting plate; 10, falling ball placing cylinder; 11, supporting plate; 12, limiting pin; 13, guide ring; 14, tension spring; 15, supporting arm; 16, socket; 17, scale pointer; 18, guide strip hole; 19, ratchet wheel; 20, pawl; 21, scale. DETAILED DESCRIPTION

[0025] The utility model will be further described in connection with the embodiments.

[0026] Embodiment 1, as Figures 1 to 8 ​​As shown, the utility model is the falling ball experiment device for testing the impact resistance of impact resistance wear -resisting glass, including vertical square hollow column 3, hollow column 3 is equipped with square collecting box 2 on one side, the top of collecting box 2 is equipped with support platform, the top of support platform is equipped with square pressure frame 1, hollow column 3 is equipped with lifting slide 8, lifting slide 8 is connected with lifting locking mechanism, the outside of lifting slide 8 is fixed with support arm 15, the outer end of support arm 15 is fixed with the falling ball placement cylinder 10 in the middle of collecting box 2, support arm 15 top is equipped with supporting plate 11, supporting plate 11 one end extends into falling ball placement cylinder 10, supporting plate 11 other end is fixed with tension spring 14, tension spring 14 other end hangs on lifting slide 8, support arm 15 is equipped with limiting hole, limiting hole is equipped with limiting pin 12, limiting pin 12 is connected with pull rope 4.

[0027] Working process: the cutting good to be detected impact resistance wear -resisting glass is placed on the support platform on the top of collecting box 2, then the glass is fixed by pressure frame 1, the tension of tension spring 14 is overcome to pull supporting plate 11 to the right, supporting plate 11 enters falling ball placement cylinder 10 to carry out bottom limiting, then limiting pin 12 is inserted in limiting hole, steel ball is placed in falling ball placement cylinder 10 from the top, steel ball falls on supporting plate 11, supporting plate 11 keeps still under the limitation of limiting pin 12.

[0028] Lifting slide 8 is lifted by lifting locking mechanism, when lifting slide 8 rises to the specified height, the position of lifting slide 8 is fixed. The experiment personnel pull pull rope 4, drive limiting pin 12 to move downwards, make limiting pin 12 separate from limiting hole, supporting plate 11 moves to the left under the action of the tension of tension spring 14, the left end of supporting plate 11 separates from falling ball placement cylinder 10, steel ball falls under the action of its gravity, impacts the glass to be detected, after the experiment is completed, the damage of glass is observed, and the experimental data is recorded, and the glass fragments in collecting box 2 can be cleaned up.

[0029] In the embodiment 2, on the basis of the embodiment 1, hollow column 3 is equipped with the open slot along the vertical direction near the side of collecting box 2, lifting slide 8 is in the inner chamber of hollow column 3, lifting slide 8 is equipped with the guide sliding slot matched with the sidewall of open slot.

[0030] Lifting locking mechanism includes the rotation installation of the upper and lower end of the upper and lower shafts away from fixed support arm 15 side of hollow column 3, the upper and lower shafts are all fixed with sprocket 5, chain 7 is connected between two sprockets 5, hollow column 3 upper and lower end is all equipped with the access for the upper and lower sprocket 5 to extend into its inner chamber, chain 7 is fixedly connected with lifting slide 8, the shaft is connected with locking device.

[0031] Locking device includes the ratchet wheel 19 fixed with the lower shaft, the upper end of ratchet pawl 20 is hinged to hollow column 3.

[0032] The lower end of the rotating shaft is fixed with a rotating hand wheel 6. When adjusting the height, rotate the rotating hand wheel 6 to drive the chain wheel 5 to rotate, the chain 7 drives the lifting block 8 to rise, when the lifting block 8 rises to the specified height, stop, and when the chain wheel 5 rotates, the pawl 20 cooperates with the ratchet wheel 19 to prevent the chain wheel 5 from rotating reversely in real time, when it is needed to lower the lifting block 8, lift the pawl 20 upward, rotate the rotating hand wheel 6 reversely, drive the chain wheel 5 to rotate, and the chain 7 drives the lifting block 8 to descend.

[0033] The supporting plate 9 is fixed on the supporting arm 15 below the limiting hole, the limiting pin 12 is fixed with a fixed ring at the lower end, and the fixed ring is fixed with the pull rope 4.

[0034] The guide ring 13 is fixed on the front side wall of the hollow column 3, and the pull ring is connected and fixed at the other end of the pull rope 4 through the guide ring 13. When the limiting pin 12 is pulled, the experimenter holds the pull ring and pulls the pull rope 4 to drive the limiting pin 12 to move downward.

[0035] The left end of the supporting plate 11 is provided with an upward flange, the supporting plate 11 is provided with a guide strip-shaped hole 18 in the left-right direction, the guide strip-shaped hole 18 is provided with a guide bolt fixed on the supporting arm 15, and the ball placing cylinder 10 is provided with a socket 16 for inserting the supporting plate 11.

[0036] The vertical scale 21 is fixed on the rear side wall of the hollow column 3, and the scale pointer 17 is fixed on the lifting block 8. When the lifting block 8 rises and falls, the scale 21 will rise and fall together, the position of the scale pointer 17 on the scale 21 is observed to determine the height, and the scale pointer 17 is sprayed with a bright color such as red.

[0037] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0038] In the description of the present application, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and not for the requirement that the present application must be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

Claims

1. A falling ball apparatus for testing the impact resistance of impact resistant wear resistant glass, comprising a vertical square hollow column (3) next to which a square collection tank (2) is arranged, characterised in that: The top of the collecting box (2) is provided with a supporting platform, a square pressing frame (1) is arranged above the supporting platform, a hollow column (3) is provided with a lifting sliding block (8), the lifting sliding block (8) is connected with a lifting locking mechanism, the outer side of the lifting sliding block (8) is fixedly provided with a supporting arm (15), the outer end of the supporting arm (15) is fixedly provided with a ball placing cylinder (10) which is vertically arranged above the middle of the collecting box (2), a supporting plate (11) is arranged above the supporting arm (15), one end of the supporting plate (11) extends into the ball placing cylinder (10), the other end of the supporting plate (11) is fixedly provided with a tension spring (14), the other end of the tension spring (14) is hung on the lifting sliding block (8), a limiting hole is arranged on the supporting arm (15), a limiting pin (12) is arranged in the limiting hole, and the limiting pin (12) is connected with a pull rope (4).

2. The falling weight test apparatus for testing the impact resistance of impact resistant wear- resistant glass according to claim 1, characterized in that: The hollow column (3) is provided with an open slot in the vertical direction near one side of the collecting box (2), the lifting sliding block (8) is arranged in the inner cavity of the hollow column (3), and a guide sliding groove is arranged on the lifting sliding block (8) and matched with the side wall of the open slot.

3. The falling sphere test device for testing the impact resistance of impact resistant wear- resistant glass according to claim 2, characterized in that: The lifting locking mechanism comprises rotating shafts which are rotatably arranged on the upper and lower ends of the hollow column (3) and away from the fixed supporting arm (15), chain wheels (5) are fixedly arranged on the rotating shafts, a chain (7) is connected between the two chain wheels (5), the upper and lower ends of the hollow column (3) are provided with extension openings for the upper and lower chain wheels (5) to extend into the inner cavities thereof, the chain (7) is fixedly connected with the lifting sliding block (8), and the rotating shafts are connected with a locking device.

4. The falling sphere test device for testing the impact resistance of impact resistant wear- resistant glass according to claim 3, characterized in that: The locking device comprises a ratchet wheel (19) which is fixedly arranged on the lower rotating shaft, a pawl (20) is connected above the ratchet wheel (19), and the upper end of the pawl (20) is hingedly connected to the hollow column (3).

5. The falling sphere test device for testing the impact resistance of impact resistant wear- resistant glass according to claim 3, characterized in that: One end of the lower rotating shaft is fixedly provided with a rotating hand wheel (6).

6. The falling weight test apparatus for testing the impact resistance of impact resistant wear- resistant glass according to claim 1, wherein: The supporting arm (15) below the limiting hole is fixedly provided with a supporting plate (9), the lower end of the limiting pin (12) penetrates through the supporting plate (9) and is fixedly provided with a fixing ring, and the fixing ring is fixedly connected with the pull rope (4).

7. The falling sphere test device for testing the impact resistance of impact resistant wear- resistant glass according to claim 6, characterized in that: A guide ring (13) is fixedly arranged on the front side wall of the hollow column (3), the other end of the pull rope (4) penetrates through the guide ring (13) and is fixedly connected with a pull ring.

8. The falling weight test apparatus for testing the impact resistance of impact resistant wear- resistant glass according to claim 1, wherein: The left end of the supporting plate (11) is provided with an upward turned edge, a guide strip-shaped hole (18) is arranged on the supporting plate (11) and extends in the left-right direction, a guide bolt is fixedly arranged on the supporting arm (15) and arranged in the guide strip-shaped hole (18), and the ball placing cylinder (10) is provided with a socket (16) for inserting the supporting plate (11).

9. The falling sphere test device for testing the impact resistance of impact resistant wear- resistant glass according to claim 7, characterized in that: A vertical scale (21) is fixedly arranged on the rear side wall of the hollow column (3), and a scale pointer (17) is fixedly arranged on the lifting sliding block (8).

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