Pendulum impact test device

Abstract

The utility model discloses a pendulum bob impact test device, which comprises a rack base, a protective cover is arranged on the top surface of the rack base, a supporting vertical plate is arranged on the protective cover, a supporting beam is arranged on the supporting vertical plate, a rotating shaft is rotatably connected in the supporting beam, a pendulum bob assembly is arranged on the rotating shaft, and the pendulum bob assembly is arranged on the rack base. The pendulum bob assembly comprises a pendulum bob rod, a clamping piece is arranged on the pendulum bob rod, an electromagnetic pin is arranged on the supporting vertical plate or the protective cover and comprises an electromagnetic shaft and a pin buckle, the pin buckle is arranged at one end of the electromagnetic shaft, and the pin buckle is used in cooperation with the clamping piece. According to the utility model, the clamping piece and the electromagnetic pin which are matched for use are added, and the pendulum bob assembly is fixed through the matching of the clamping piece and the pin buckle of the electromagnetic pin; when the pendulum bob assembly needs to be released, an operator can control the opening of the electromagnetic pin through the operation table far away from the swinging path of the pendulum bob, so that the pendulum bob assembly falls, and compared with a traditional pendulum bob impact test device, the pendulum bob impact test device is safer.

Description

Technical Field

[0001] This utility model relates to the field of impact testing technology for materials, and mainly to a pendulum impact testing device. Background Technology

[0002] The pendulum impact tester is a testing instrument used to examine the impact resistance of non-metallic materials such as plastics, nylon, rubber, fiberglass, composite plastic pipes, and electrical insulation materials under dynamic loads.

[0003] Some pendulum impact testing machines in related technologies include a base, specimen support, mounting arm, pendulum rod, pendulum, counterweight, V-groove, impact blade, display dial, etc. This utility model improves upon the existing pendulum impact testing machine by adding a sample receiving box with a push-out port. The specimen support is installed on the receiving box, and when placing the specimen, it is simply fed in through the push-out port, allowing the specimen to be stably placed on the two specimen supports. This makes placement stable and simple. Furthermore, after the specimen breaks and gains kinetic energy from the impact of the pendulum, it flies directly into the receiving box, avoiding injury to personnel from flying specimens. The receiving box can also be opened directly to retrieve the impact specimen, facilitating further research. It also avoids the need for multiple impact tests due to lost or damaged impact specimens, saving materials.

[0004] However, the inventors of this application discovered at least the following problems during the implementation of the aforementioned pendulum impact testing machine:

[0005] When using it, first raise the pendulum and then attach the safety pin. After the specimen is clamped, manually open the safety pin and use the pendulum to test the impact resistance of the specimen. If the operator cannot move away from the swing path of the pendulum in time, the pendulum will pose a safety hazard to the human body. Utility Model Content

[0006] The present invention aims to solve some problems existing in the prior art. Therefore, the purpose of the present invention is to provide a pendulum impact testing device.

[0007] To achieve the above objectives, this utility model employs the following technical solution:

[0008] A pendulum impact testing device includes a frame base, a protective cover on the top surface of the frame base, a support plate on the protective cover, a support beam on the support plate, a rotating shaft rotatably connected inside the support beam, a pendulum assembly on the rotating shaft, the pendulum assembly including a pendulum rod, a locking device on the pendulum rod, and an electromagnetic pin on the support plate or the protective cover. The electromagnetic pin includes an electromagnetic shaft and a pin buckle, the pin buckle being located at one end of the electromagnetic shaft and cooperating with the locking device.

[0009] Furthermore, based on the above scheme, the pendulum assembly also includes a first connecting seat, a second connecting seat, and a pendulum. One end of the pendulum rod is connected to the rotating shaft through the first connecting seat, and the other end is connected to the pendulum through the second connecting seat.

[0010] Furthermore, based on the above scheme, the pendulum assembly also includes several counterweights of different weights, which are fixed to both sides of the pendulum.

[0011] Furthermore, based on the above scheme, the pendulum is provided with several connecting holes, and the counterweight is also provided with several connecting holes. The counterweight is fixed to the pendulum by fasteners.

[0012] Furthermore, based on the above scheme, a specimen support is provided on the top surface of the frame base, and the specimen support is partially surrounded by a protective cover.

[0013] Furthermore, based on the above scheme, a photoelectric encoder is installed inside the support plate, and the rotating shaft passes through the support beam, the support plate and is connected to the photoelectric encoder.

[0014] Furthermore, based on the above scheme, the clamp is positioned close to the center of the pendulum rod.

[0015] Furthermore, based on the above scheme, a bearing is provided between the support beam and the rotating shaft.

[0016] Furthermore, based on the above scheme, a flange level is provided on the top surface of the frame base.

[0017] Furthermore, based on the above solution, an operating platform is provided on the top surface of the frame base.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] This invention adds a locking clip and an electromagnetic pin for coordinated use. The pendulum assembly is fixed by the engagement of the locking clip and the electromagnetic pin. When the pendulum assembly needs to be released, the operator can move away from the swing path of the pendulum and control the opening of the electromagnetic pin through the control panel to make the pendulum assembly fall. This is safer than the traditional pendulum impact testing device.

[0020] The features and advantages of this utility model will be described in detail through embodiments in conjunction with the accompanying drawings. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the pendulum impact testing device of this utility model;

[0022] Figure 2This is a schematic diagram showing the changing states of the pendulum assembly in the pendulum impact testing device of this utility model;

[0023] Figure 3 This is a schematic diagram of the internal structure of the pendulum impact testing device of this utility model.

[0024] Figure label:

[0025] 1. Rack base;

[0026] 2. Protective cover;

[0027] 3. Supporting the uprights;

[0028] 4. Support beam;

[0029] 5. Shaft;

[0030] 6. Pendulum assembly; 61. Pendulum rod; 62. First connecting seat; 63. Second connecting seat; 64. Pendulum; 65. Counterweight;

[0031] 7. Cards;

[0032] 8. Electromagnetic pin; 81. Electromagnetic shaft; 82. Pin buckle;

[0033] 9. Specimen support;

[0034] 10. Photoelectric encoder;

[0035] 11. Flange level;

[0036] 12. Control panel. Detailed Implementation

[0037] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0038] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses consistent with some aspects of this application as detailed in the appended claims.

[0039] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, the technical or scientific terms used in this application should be understood in their ordinary sense by one of ordinary skill in the art to which this utility model pertains. The words “a” or “one” and similar terms used in this application specification and claims do not indicate a limitation of quantity, but rather indicate the presence of at least one. “A plurality” includes two, equivalent to at least two. The words “comprising” or “including” and similar terms mean that the element or object preceding “comprising” or “including” covers the element or object listed following “comprising” or “including” and its equivalents, and does not exclude other elements or objects. The words “connected” or “linked” and similar terms are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect. The singular forms “a,” “the,” and “the” used in this application specification and appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0040] Please refer to the following for details. Figure 1-3 A pendulum impact testing device includes a frame base 1, a protective cover 2 on the top surface of the frame base 1, a support plate 3 on the protective cover 2, a support beam 4 on the support plate 3, a rotating shaft 5 rotatably connected inside the support beam 4, a pendulum 64 assembly 6 on the rotating shaft 5, the pendulum 64 assembly 6 including a pendulum 64 rod 61, a locking piece 7 on the pendulum 64 rod 61, and an electromagnetic pin 8 on the support plate 3 or the protective cover 2. In this embodiment, the electromagnetic pin 8 is preferably disposed on the support plate 3. The electromagnetic pin 8 includes an electromagnetic shaft 81 and a pin buckle 82. The pin buckle 82 is disposed at one end of the electromagnetic shaft 81 and is used in conjunction with the locking piece 7.

[0041] Based on the above technical means: the retraction or extension of the electromagnetic pin 8 is controlled by energizing and de-energizing it, thereby engaging with the locking piece 7 to restrict and fix the pendulum 64 assembly 6 after it has been raised, preventing it from falling. When it is necessary to release the pendulum 64 assembly 6, simply energize the electromagnetic pin 8 remotely, causing the electromagnetic shaft 81 and the pin buckle 82 to retract and release the locking piece 7. Then, the pendulum 64 assembly 6 can rotate and swing downwards under the action of the rotating shaft 5 to test the impact resistance of the test piece.

[0042] Furthermore, the pendulum 64 assembly 6 also includes a first connecting seat 62, a second connecting seat 63 and a pendulum 64. One end of the pendulum 64 rod 61 is connected to the rotating shaft 5 through the first connecting seat 62, and the other end is connected to the pendulum 64 through the second connecting seat 63.

[0043] Specifically, the first connecting seat 62 consists of two parts, which can be fixed to the rotating shaft 5 by fasteners. One end of the pendulum 64 rod 61 is inserted into the first connecting seat 62 and fixed by fasteners. The second connecting seat 63 is fixed to the pendulum 64 by fasteners, and the other end of the pendulum 64 rod 61 is inserted into the second connecting seat 63 and fixed by fasteners. The clamp 7 also consists of two parts, which can be fixed to the pendulum 64 rod 61 by fasteners.

[0044] It is understandable that the first connecting seat 62, the second connecting seat 63, the pendulum 64 rod 61 and the pendulum 64 can also be fixed together by other means, such as welding and snap-fitting. In this embodiment, fasteners are preferred for fixing.

[0045] Specifically, the support plate 3 is a hollow structure, made of multiple metal sheets by fasteners or welding, with stainless steel sheets being the preferred material for the support plate 3.

[0046] Furthermore, the pendulum 64 assembly 6 also includes several counterweights 65 of different weights. The counterweights 65 are fixed to both sides of the pendulum 64 to increase the weight of the pendulum 64, thereby increasing the impact force of the pendulum 64.

[0047] Specifically, the weight of the counterweight 65 can be 0.5kg, 0.8kg, 1kg, etc., and can be adjusted according to actual needs. The pendulum 64 is provided with several connection holes, and the counterweight 65 is also provided with several connection holes. Fasteners can be installed in the connection holes. The counterweight 65 is fixed to the pendulum 64 by the fasteners to increase the weight of the pendulum 64.

[0048] Furthermore, a specimen support 9 is provided on the top surface of the frame base 1. The specimen support 9 is partially surrounded by a protective cover 2. The protective cover 2 can prevent the specimen from being damaged and splashed during the test, thus preventing injury to the operator.

[0049] Furthermore, the support plate 3 is equipped with a photoelectric encoder 10. The rotating shaft 5 passes through the support beam 4 and the support plate 3 and is connected to the photoelectric encoder 10. The photoelectric encoder 10 can detect and provide feedback on the position and motion status of the pendulum 64 component 6 in real time and accurately.

[0050] Furthermore, the card 7 is positioned close to the center of the pendulum 64 and the lever 61.

[0051] Furthermore, a bearing, specifically a deep groove ball bearing, is installed between the support beam 4 and the rotating shaft 5.

[0052] Furthermore, a flange level 11 is provided on the top surface of the frame base 1. The flange level 11 can be used to check whether the device is level, thereby reducing the impact of external factors on the impact resistance of the test specimen.

[0053] Furthermore, an operating table 12 is provided on the top surface of the frame base 1. A PLC controller is installed inside the operating table 12. The PLC controller is electrically connected to the electromagnetic pin 8. The operating table 12 has a touch screen. The operation of the device (electromagnetic pin 8) can be controlled through the touch screen. At the same time, various data will also be displayed on the operating table 12 for the convenience of the operator.

[0054] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A pendulum impact testing device, comprising a rack base, a protective cover is arranged on the top surface of the rack base, a support vertical plate is arranged on the protective cover, a support beam is arranged on the support vertical plate, a rotating shaft is rotatably connected in the support beam, a pendulum assembly is arranged on the rotating shaft, the pendulum assembly comprises a pendulum rod, characterized in that, The pendulum rod is provided with a clamping piece, the support vertical plate or the protective cover is provided with an electromagnetic pin, the electromagnetic pin comprises an electromagnetic shaft and a pin buckle, the pin buckle is arranged at one end of the electromagnetic shaft, and the pin buckle is used in cooperation with the clamping piece.

2. The pendulum impact testing device of claim 1, wherein, The pendulum assembly further comprises a first connecting seat, a second connecting seat and a pendulum, one end of the pendulum rod is connected with the rotating shaft through the first connecting seat, and the other end of the pendulum rod is connected with the pendulum through the second connecting seat.

3. The pendulum impact testing device of claim 2, wherein, The pendulum assembly further comprises a plurality of counterweights with different weights, and the counterweights are fixed on both sides of the pendulum.

4. The pendulum impact testing device of claim 3, wherein, The pendulum is provided with a plurality of connecting holes, and the counterweights are also provided with a plurality of connecting holes, and the counterweights are fixed on the pendulum through fasteners.

5. The pendulum impact testing device according to claim 1 or 4, characterized in that The top surface of the rack base is provided with a test piece support, and the test piece support is half-enclosed by the protective cover.

6. The pendulum impact testing device of claim 1, wherein, The inside of the support vertical plate is provided with a photoelectric encoder, and the rotating shaft is connected with the photoelectric encoder through the support beam and the support vertical plate.

7. The pendulum impact testing device of claim 1, wherein, The clamping piece is close to the central position of the pendulum rod.

8. The pendulum impact testing device of claim 1, wherein, A bearing is arranged between the support beam and the rotating shaft.

9. The pendulum impact testing device of claim 1, wherein, The top surface of the rack base is provided with a flange level.

10. The pendulum impact testing apparatus of claim 1, wherein, The top surface of the rack base is provided with an operation table.

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