Pendulum impact test device

Abstract

The utility model relates to the technical field of pendulum bob type impact tests, in particular to a pendulum bob type impact test device which comprises a base and a support, and a lifting rope and a pendulum bob body are installed on the support. Through the arrangement of the adjusting structure, the factor that the height of the traditional pendulum bob main body cannot be adjusted is changed, and the height of the pendulum bob main body is flexibly adjusted, so that the impact energy and the impact force cannot be fixed or limited, the test range cannot be limited, and when the height of the pendulum bob main body needs to be adjusted, the height of the pendulum bob main body is adjusted. A driving motor is started to operate to drive a first gear to rotate, due to the connection relation between the first gear and a second gear, the second gear can rotate along with the first gear when the first gear rotates, the second gear can drive a lead screw to start to rotate when the second gear rotates, and when the lead screw rotates, a transmission block wheel descends, and meanwhile a winder operates to wind a lifting rope; and the descending distance of the transmission block wheel can correspond to the length of the lifting rope.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pendulum impact test device, in particular to a pendulum impact test device, belongs to pendulum impact test technical field. BACKGROUND

[0002] The anti-impact test is generally a test method for determining the safety, reliability and effectiveness of products when subjected to external force impact or action, and the pendulum impact test device is a tool for impact test, and the pendulum impact testing machine is used for detecting the impact resistance performance of metal materials and non-metal materials under dynamic load, so as to judge the properties of the materials under dynamic load, and is suitable for accurate determination of the pendulum impact resistance performance of materials such as plastic film, sheet, composite film and metal plate.

[0003] The existing pendulum impact test device has fixed structure and cannot adjust the height of the pendulum, which may cause the impact energy and impact force to be fixed or limited, thereby limiting the test range, and the unadjustable height of the pendulum may cause the pendulum to frequently impact other parts of the testing machine, which may cause damage or wear, thereby increasing the maintenance cost.

[0004] Therefore, it is urgent to improve the pendulum impact test device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a pendulum impact test device, through the setting of adjusting structure, change the factor that traditional pendulum main body height cannot be adjusted, the height of pendulum main body is adjusted flexibly, the impact energy and impact force will not be fixed or limited, will not make the test range be limited, when the height of pendulum main body needs to be adjusted, the drive motor is started and runs and drives the first gear to rotate, because of the connecting relationship of the first gear and the second gear, therefore the second gear also rotates when the first gear rotates, the second gear also can drive the lead screw to start rotating when rotating, when the lead screw rotates, the transmission block wheel drops simultaneously, and the winder runs and rolls up the hanging rope, the length of the hanging rope can correspond to the distance of the transmission block wheel drop, avoid the transmission block wheel drop and cause the pendulum main body to touch the base, thereby affecting the swing of the pendulum main body, and the winder is pulled out from the winder when lifting the transmission block wheel, and the height of the hanging rope can be adjusted flexibly, and the structure has the advantages of being suitable for experiments under different conditions, and the pendulum frequently impacts other parts of the testing machine, which can avoid damage or wear, thereby reducing the maintenance cost.

[0006] In order to achieve the above purpose, the main technical scheme of the utility model comprises:

[0007] A pendulum impact test device, including a base and a support, a hanging rope and a pendulum body are installed on the support, a sample clamp is fixedly installed on the top of the base, an adjusting structure is arranged on the support, the adjusting structure includes a driving motor fixedly installed on the top of the support, a first gear is fixedly installed on the output end of the driving motor, a through groove is formed in the support, a lead screw connected with the support is movably installed in the through groove, a second gear meshing with the first gear is fixedly installed on one end of the lead screw, a transmission block wheel is installed on the lead screw, a connecting shaft is fixedly installed on one end of the transmission block wheel, and a winding device connected with the hanging rope is movably installed on one side of the connecting shaft.

[0008] Preferably, a protective shell is fixedly installed on the outside of the driving motor, a plurality of heat dissipation holes are formed in the protective shell, and an inspection cover is arranged on the top of the protective shell.

[0009] Preferably, a first magnetic ring is fixedly installed on the protective shell, and a second magnetic ring magnetically connected with the first magnetic ring is fixedly installed on the bottom of the inspection cover.

[0010] Preferably, a plurality of fixed plates are fixedly installed on the side surface of the base, a fixed frame is fixedly installed on the top of the fixed plate, an electric telescopic rod is fixedly installed on the bottom of the fixed frame, and a suction cup is fixedly installed on the output end of the electric telescopic rod.

[0011] Preferably, a plurality of protective frames connected with the base are installed on both ends of the sample clamp, and bolts connected with the base are installed on the protective frames.

[0012] Preferably, a plurality of sliding grooves are formed in the inner side of the support, and sliding blocks connected with the transmission block wheel are movably installed in the sliding grooves.

[0013] Preferably, a plurality of limiting holes are formed in the support, and insertion rods connected with the sliding blocks are movably installed in the limiting holes.

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

[0015] 1. By adjusting the structure, the height of the traditional pendulum body cannot be adjusted, the height of the pendulum body is flexibly adjusted, the impact energy and impact force are not fixed or limited, and the test range is not limited.

[0016] 2、The pendulum main body height needs to be adjusted, the driving motor is started to drive the first gear to rotate, and then the second gear and the lead screw are rotated to wind the lifting rope, so that the descending distance of the transmission block wheel can correspond to the length of the lifting rope, effectively avoiding the pendulum main body from touching the base due to the descending of the transmission block wheel, thereby affecting the swing of the pendulum main body, and the lifting rope can be pulled out of the winder when the transmission block wheel is lifted, and the advantages of this structure are that the height of the lifting rope can be flexibly adjusted to adapt to experiments in different situations, and damage or wear caused by frequent impact of the pendulum on other parts of the testing machine can be avoided, thereby reducing maintenance costs. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the plug rod structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the suction cup structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the Figure 2 enlarged view of A;

[0022] Figure 5 It is a schematic diagram of the Figure 1 enlarged view of B;

[0023] Figure 6 It is a schematic diagram of the Figure 3 enlarged view of C.

[0024] In the drawings, 1, base; 2, support; 3, lifting rope; 4, pendulum main body; 5, sample clamp; 6, adjusting structure; 7, driving motor; 8, first gear; 9, lead screw; 10, second gear; 11, transmission block; 12, connecting shaft; 13, winder; 14, protective shell; 15, heat dissipation hole; 16, maintenance cover; 17, first magnetic ring; 18, second magnetic ring; 19, fixed plate; 20, fixed frame; 21, electric telescopic rod; 22, suction cup; 23, protective frame; 24, bolt; 25, sliding groove; 26, sliding block; 27, limiting hole; 28, plug rod. DETAILED DESCRIPTION

[0025] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, but not all the embodiments, based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model protection.

[0026] As shown in Figures 1-6 The utility model discloses a pendulum impact testing device embodiment.

[0027] A pendulum impact testing device, including base 1 and support 2, the rope 3 and pendulum body 4 are installed on the support 2, the top of base 1 is fixedly installed with sample fixture 5, the support 2 is provided with adjusting structure 6, adjusting structure 6 includes the drive motor 7 of fixed mounting at the top of support 2, the output of drive motor 7 is fixedly installed with first gear 8, the through slot is seted up on support 2, the inside movable mounting of through slot is connected with the lead screw 9 of support 2, one end of lead screw 9 is fixedly installed with the second gear 10 of meshing with first gear 8, the transmission block wheel 11 is installed on the lead screw 9, one end of transmission block wheel 11 is fixedly installed with connecting shaft 12, one side movable mounting of connecting shaft 12 is connected with the winding device 13 of rope 3, through the setting of adjusting structure 6, change the factor that traditional pendulum body 4 height can not be adjusted, the height of pendulum body 4 is adjusted flexibly, so that the impact energy and impact force will not be fixed or limited, will not make the test range be limited;

[0028] When the height of pendulum body 4 needs to be adjusted, drive motor 7 is started to drive first gear 8 to rotate, because of the connecting relationship between first gear 8 and second gear 10, when first gear 8 rotates, second gear 10 will also rotate, when second gear 10 rotates, it can also drive lead screw 9 to start rotating, when lead screw 9 rotates, transmission block wheel 11 descends at the same time, winding device 13 operates to wind rope 3, so that the descending distance of transmission block wheel 11 can correspond to the length of rope 3, avoiding the transmission block wheel 11 descending to cause pendulum body 4 touching base 1, thereby affecting the swing of pendulum body 4, similarly, when lifting transmission block wheel 11, pull out rope 3 from winding device 13, the advantage of this structure is that not only can the height of rope 3 be adjusted flexibly to adapt to experiments under different conditions, but also can avoid pendulum frequently impacting other parts of the testing machine to cause damage or wear, thereby reducing maintenance cost.

[0029] As shown in Figure 4As shown, the outer side of the driving motor 7 is fixedly installed with a protective shell 14, a plurality of heat dissipation holes 15 are formed on the protective shell 14, and a maintenance cover 16 is arranged on the top of the protective shell 14. Through the arrangement of the protective shell 14, the heat dissipation holes 15 and the maintenance cover 16, the driving motor 7 can be protected from damage caused by collision. The heat dissipation holes 15 can dissipate the heat generated by the driving motor 7 during operation, preventing the driving motor 7 from malfunctioning due to excessive heat inside the protective shell 14. The maintenance cover 16 can facilitate maintenance of the driving motor 7 without disassembling the protective shell 14, thereby saving maintenance time.

[0030] As shown in Figure 4 , the protective shell 14 is fixedly installed with a first magnetic ring 17, and the bottom of the maintenance cover 16 is fixedly installed with a second magnetic ring 18 magnetically connected with the first magnetic ring 17. By setting the first magnetic ring 17 and the second magnetic ring 18, the maintenance cover 16 can be fixed on the protective shell 14 to avoid falling off after being attracted to each other. Due to the characteristics of the first magnetic ring 17 and the second magnetic ring 18, the maintenance cover 16 can be opened directly without tools, thereby saving the time of opening the maintenance cover 16.

[0031] As shown in Figure 5 , a plurality of fixed plates 19 are fixedly installed on the side of the base 1, a fixed frame 20 is fixedly installed on the top of the fixed plate 19, an electric telescopic rod 21 is fixedly installed on the bottom of the fixed frame 20, and a suction cup 22 is fixedly installed on the output end of the electric telescopic rod 21. By setting the fixed plate 19, the fixed frame 20, the electric telescopic rod 21 and the suction cup 22, and simultaneously starting the extension of the plurality of electric telescopic rods 21 to make the suction cup 22 descend until being adsorbed to the ground, the stability of the base 1 can be improved, and the base 1 can be prevented from shaking during the swing of the pendulum body 4 to affect the experimental results.

[0032] As shown in Figure 1 and Figure 2 , a plurality of protective frames 23 connected with the base 1 are installed on both ends of the sample clamp 5, and a plurality of bolts 24 connected with the base 1 are installed on the protective frames 23. By setting the protective frames 23 and the bolts 24, the pendulum body 4 can be prevented from deviating and colliding with the support 2 during the swing, which may cause damage to both. By connecting the plurality of protective frames 23 with the base 1 through the plurality of bolts 24, the stability of the installation of the protective frames 23 can be improved, and the bolts 24 can be easily disassembled and replaced when the protective frames 23 are damaged.

[0033] As shown in Figure 6As shown, the inner side of the support 2 is provided with a plurality of sliding grooves 25, the inside of the sliding groove 25 movably installs the sliding block 26 connected with the transmission block wheel 11, through the setting of the sliding groove 25 and the sliding block 26, the friction between the transmission block wheel 11 and the support 2 can be reduced, so that the transmission block wheel 11 moves more smoothly on the support 2, thereby reducing the power consumption of the driving motor 7, and also reducing the wear between the transmission block wheel 11 and the support 2.

[0034] As shown, Figure 2 A plurality of limiting holes 27 are formed in the support 2, and a plurality of limiting holes 27 are movably installed in the support 2. The limiting hole 27 movably installs the connecting rod 28 connected with the sliding block 26. Through the setting of the limiting hole 27 and the connecting rod 28, the connecting rod 28 is inserted into the inside of the limiting hole 27 and connected with the transmission block wheel 11, which can improve the stability of the transmission block wheel 11 on the lead screw 9. The equidistant arrangement of the plurality of limiting holes 27 can limit the height of the hanging rope 3, so that the lifting height of the hanging rope 3 can be conveniently recorded.

[0035] In this embodiment, as shown, Figures 1-6 The working process of the pendulum impact test device provided in this embodiment is as follows:

[0036] When the height of the pendulum body 4 needs to be adjusted, the driving motor 7 is started to drive the first gear 8 to rotate. Since the first gear 8 and the second gear 10 are connected, the second gear 10 will also rotate when the first gear 8 rotates. The second gear 10 can also drive the lead screw 9 to start rotating when the second gear 10 rotates. When the lead screw 9 rotates, the transmission block wheel 11 descends, and the winder 13 operates to wind the hanging rope 3, so that the descending distance of the transmission block wheel 11 corresponds to the length of the hanging rope 3, avoiding the transmission block wheel 11 from descending and causing the pendulum body 4 to touch the base 1, thereby affecting the swing of the pendulum body 4. Similarly, when the transmission block wheel 11 is lifted, the hanging rope 3 is pulled out of the winder 13. The advantage of this structure is that it can not only flexibly adjust the height of the hanging rope 3 to adapt to experiments under different conditions, but also can avoid the pendulum from frequently impacting other parts of the test machine, thereby reducing the maintenance cost.

[0037] In summary, in this embodiment, according to the pendulum impact test device, through the setting of the protective shell 14, the heat dissipation hole 15 and the maintenance cover 16, the driving motor 7 can be protected, avoiding damage caused by collision. The heat dissipation hole 15 can dissipate the heat generated by the driving motor 7, preventing the driving motor 7 from malfunctioning due to excessive heat inside the protective shell 14. The maintenance cover 16 can facilitate the maintenance of the driving motor 7 without disassembling the protective shell 14, thereby saving the maintenance time of the personnel.

[0038] Through the setting of the first magnetic ring 17 and the second magnetic ring 18, the two are adsorbed after each other, the maintenance cover 16 can be fixed on the protective shell 14 to avoid falling off, due to the characteristics of the first magnetic ring 17 and the second magnetic ring 18, without tools, directly pull the maintenance cover 16 to make it open, thereby saving the time of opening the maintenance cover 16, through the setting of the fixing plate 19, the fixing frame 20, the electric telescopic rod 21 and the suction cup 22, simultaneously starting multiple electric telescopic rods 21 to extend so that the suction cup 22 is lowered until it is adsorbed with the ground, the stability of the base 1 can be improved, and the base 1 is prevented from shaking when the pendulum body 4 swings, so as to affect the experimental results;

[0039] Through the setting of the protection frame 23 and the bolt 24, the pendulum body 4 can be prevented from deviating and impacting the support 2 when swinging, which may damage both, connecting multiple protection frames 23 with the base 1 through multiple bolts 24 can improve the stability of the installation of the protection frame 23, and the bolts 24 can also be easily detached for replacement when the protection frame 23 is damaged, through the setting of the sliding groove 25 and the sliding block 26, the friction between the transmission block wheel 11 and the support 2 can be reduced, so that the transmission block wheel 11 moves more smoothly on the support 2, thereby reducing the power consumption of the driving motor 7, and also reducing the wear between the transmission block wheel 11 and the support 2;

[0040] Through the setting of the limiting hole 27 and the inserting rod 28, the inserting rod 28 is inserted into the inside of the limiting hole 27 and connected with the transmission block wheel 11, which can improve the stability of the transmission block wheel 11 on the lead screw 9, and the equidistant setting of multiple limiting holes 27 can limit the height of the hanging rope 3, so that the lifting height of the hanging rope 3 can be easily recorded by personnel.

[0041] As some terms are used in the description and claims, those skilled in the art should understand that the same components may be referred to by different names by hardware manufacturers. The description and claims of the present application do not distinguish components by name differences, but by functional differences. As mentioned throughout the description and claims, "comprising" is an open term, so it should be interpreted as "comprising but not limited to". "Approximately" means within an acceptable error range, and those skilled in the art can solve technical problems within a certain error range, basically achieving the technical effect.

[0042] It should be noted that the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the goods or system including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such goods or system. Without more limitations, the element defined by the sentence "including a…" does not exclude the presence of another identical element in the goods or system including the element.

[0043] The above description shows and describes several preferred embodiments of the present application, but as previously discussed, it is understood that the present application is not limited to the forms disclosed herein, but is to be accorded the broadest scope of the claims appended hereto subject to the requirements of the prior art, and can be practiced in various other combinations, modifications, and environments within the scope of the concepts disclosed herein, and using no more than the knowledge of the skilled in the art. Changes and modifications can be practiced by those of ordinary skill in the art. These changes and modifications can be carried out without departing from the scope of the application, and the general principles established by the embodiments described herein. Accordingly, certain embodiments of the present application have been specifically described in the foregoing specification. However, it will be understood that various modifications, and incantations of certain embodiments can be made by those skilled in the art without departing from the scope of the present application, and the general principles and features described herein are fully applicable to all embodiments combined herewith. Accordingly, the present application is not intended to be limited to the embodiments specifically illustrated and described herein, but is intended to include all embodiments falling within the scope of the appended claims.

Claims

1. A pendulum impact testing device, comprising a base (1) and a support (2), a suspension rope (3) and a pendulum body (4) are installed on the support (2), a sample clamp (5) is fixedly installed on the top of the base (1), characterized in that: The support (2) is provided with an adjusting structure (6), the adjusting structure (6) includes a drive motor (7) fixedly installed on the top of the support (2), the output end of the drive motor (7) is fixedly installed with a first gear (8), a through slot is formed in the support (2), a lead screw (9) connected with the support (2) is movably installed in the through slot, one end of the lead screw (9) is fixedly installed with a second gear (10) engaged with the first gear (8), a transmission block wheel (11) is installed on the lead screw (9), one end of the transmission block wheel (11) is fixedly installed with a connecting shaft (12), one side of the connecting shaft (12) is movably installed with a winding device (13) connected with the hanging rope (3).

2. A pendulum impact testing device according to claim 1, characterised in that: The outer side of the drive motor (7) is fixedly installed with a protective shell (14), a plurality of heat dissipation holes (15) are formed in the protective shell (14), and an inspection cover (16) is arranged on the top of the protective shell (14).

3. A pendulum impact testing device according to claim 2, characterised in that: The protective shell (14) is fixedly installed with a first magnetic ring (17), and the bottom of the inspection cover (16) is fixedly installed with a second magnetic ring (18) magnetically connected with the first magnetic ring (17).

4. A pendulum impact testing device according to claim 1, characterised in that: The side of the base (1) is fixedly installed with a plurality of fixed plates (19), the top of the fixed plate (19) is fixedly installed with a fixed frame (20), the bottom of the fixed frame (20) is fixedly installed with an electric telescopic rod (21), and the output end of the electric telescopic rod (21) is fixedly installed with a suction cup (22).

5. A pendulum impact testing device according to claim 1, wherein: The both ends of the sample clamp (5) are installed with a plurality of protection frames (23) connected with the base (1), and the protection frame (23) is installed with a bolt (24) connected with the base (1).

6. A pendulum impact testing device according to claim 1, characterised in that: The inner side of the support (2) is provided with a plurality of sliding grooves (25), and the sliding grooves (25) are movably installed with sliding blocks (26) connected with the transmission block wheel (11).

7. A pendulum impact testing device according to claim 6, characterised in that: A plurality of limiting holes (27) are formed in the support (2), and the limiting holes (27) are movably installed with inserting rods (28) connected with the sliding blocks (26).

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