CN210604220U

CN210604220U - Impact testing machine and impact testing machine system

Info

Publication number: CN210604220U
Application number: CN201921449932.9U
Authority: CN
Inventors: 赵锋; 赵斌; 荆七一; 冯绍强; 李金峰; 张朝勇
Original assignee: Sichuan Xingming Energy Environmental Protection Technology Co ltd
Current assignee: Sichuan Xingming Energy Environmental Protection Technology Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-22
Anticipated expiration: 2029-09-02

Abstract

The utility model relates to a physical test equipment field especially relates to an impact tester and impact tester system. For the bottom of solving among the prior art safety protection cover and only locating impact tester, the opening upwards, safety protection cover's protection scope is less, only protects the partly of pendulum swing scope, when the pendulum swings to the scope that is higher than the safety cover, still can cause the potential safety hazard scheduling problem to testing personnel. It includes impact tester host computer and safety protection casing, and safety protection casing includes first protection casing and second protection casing, and the first protection casing covers and establishes at the impact tester top, and the second protection casing covers and establishes in the impact tester bottom, and the opening of first protection casing is relative and the shape matching with the opening of second protection casing. Meanwhile, the structure is simple, the strength is high, the flexibility is strong, the maintenance is convenient, and the device can be widely applied to industrial or practical production.

Description

Impact testing machine and impact testing machine system

Technical Field

The utility model relates to a physical test equipment field especially relates to an impact tester and impact tester system.

Background

The impact tester is a full-automatic testing instrument which applies impact test force to a test sample and is used for measuring the performance of a metal material resisting impact under a dynamic load so as to judge the mass condition of the material under the action of the dynamic load. The pendulum impact tester is the most common impact tester, which is one that can instantaneously measure and record the specific curve of a material during impact. The precision testing instrument is used for testing the mechanical properties, the process properties and the internal defects of metal materials, non-metal materials, mechanical parts, engineering structures and the like under various conditions and environments and verifying the dynamic unbalance of rotating parts. In the process of researching and exploring new materials, new processes, new technologies and new structures, the testing machine is an indispensable important testing instrument. The device is widely applied to industrial departments such as machinery, metallurgy, petroleum, chemical engineering, building materials, construction, aerospace, shipbuilding, transportation and the like, and relevant laboratories of universities and research institutes. Has important effects on effectively using materials, improving the process, improving the product quality, reducing the cost, ensuring the safety and the reliability of the product and the like.

However, the pendulum bob has a large swing radian during the test, and the impact force of the pendulum bob is large, so that the pendulum bob may be damaged by the pendulum bob or a test piece broken after the test, and therefore, a safety protection cover is needed to safely perform the test.

However, current safety protection cover only locates impact tester's bottom, and the opening is upwards, and at this moment, safety protection cover's protection scope is less, only protects a part of pendulum swing scope, when the pendulum swings to the scope that is higher than the safety cover, still can cause the potential safety hazard to testing personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impact tester, the safety protection casing cover that it contains establishes the scope and is greater than the swing range of pendulum, and protection range is wide, pendulum potential safety hazard.

Another object of the utility model is to provide an impact tester system, its simple structure, it is convenient to maintain, is applicable to industrial production.

The embodiment of the utility model is realized like this:

the utility model provides a pair of impact tester, it includes impact tester host computer and safety protection casing, and the safety protection casing cover is established in the impact tester host computer outside, and the impact tester host computer includes the fuselage, locate hanging pendulum device at fuselage top, with hang the pendulum that the pendulum device is connected and locate the support base of fuselage bottom, and the scope is established to the cover of safety protection casing is greater than the swing range of pendulum, and the safety protection casing is connected with the impact tester host computer is detachable.

The utility model discloses in the embodiment of preferred, above-mentioned safety protection casing includes protective bracket and protection network, and protective bracket and protection network are connected, and protection network and protective bracket shape match.

In the preferred embodiment of the present invention, the protection bracket is formed by welding round steel end to end.

In a preferred embodiment of the present invention, the protective net is a metal net.

The utility model discloses in the embodiment of the preferred, above-mentioned safety protection casing includes first protection casing and second protection casing, and the first protection casing cover is established at the impact tester top, and the second protection casing cover is established in the impact tester bottom, and the opening of first protection casing and the opening of second protection casing are just shape matching relatively.

The utility model discloses in the preferred embodiment, above-mentioned first protection casing and second protection casing are connected with the impact tester is detachable respectively.

The utility model discloses in the embodiment of the preferred, the one end that above-mentioned first protection casing and second protection casing and fuselage are connected is equipped with first connecting piece and second connecting piece respectively, and first connecting piece and second connecting piece are bolted connection with two sides that the fuselage is relative.

In a preferred embodiment of the present invention, the first protective cover and the second protective cover are respectively provided with a first opening and a second opening on the side far away from the pendulum, and the shapes of the first opening and the second opening are matched with the shape of the body.

In a preferred embodiment of the present invention, the first opening is provided with a groove, and the shape of the groove matches with the shape of the hanging and swinging device.

The utility model provides a pair of impact tester system, it includes foretell impact tester.

Compared with the prior art, the utility model discloses beneficial effect is: the utility model provides an impact tester and impact tester system, the protective range of the safety protection casing of its setting is greater than the swing range of pendulum, because swing radian is great when preventing the pendulum experiment, and the impact force of pendulum is great, can receive the injury that the cracked test piece led to the fact to the testing personnel behind pendulum or the experiment when falling. Furthermore, the method is simple. The safety protection cover is detachably connected with the impact testing machine, is convenient to use and is suitable for industrial production.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed to be used are briefly described below, and it should be apparent that the drawings in the following description are only some embodiments of the present invention, and therefore should not be considered as limitations on the scope of protection, and that other drawings can be obtained by those skilled in the art without inventive efforts.

Fig. 1 is a schematic structural diagram of an impact testing machine provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a safety shield according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a host machine of an impact tester provided in an embodiment of the present invention;

fig. 4 is a front view of a first protective cover according to an embodiment of the present invention;

fig. 5 is a top view of a first protective cover according to an embodiment of the present invention;

fig. 6 is a side view of a first protective cover according to an embodiment of the present invention;

icon: 100-impact tester; 110-impact tester main machine; 120-a safety shield; 111-a fuselage; 112-hanging the pendulum device; 113-a pendulum bob; 114-a support base; 121-a first shield; 122-a second shield; 123-a protective bracket; 124-protective net; 125-first shield opening; 126-second shield opening; 127-web member; 131-a first connector; 132-a second connector; 133-a first fixation patch; 134-second fixation point piece; 135-a first fixing bolt; 136-a second fixing bolt; 141-a first opening; 142-a second opening; 143-grooves; 144-a top surface; 145-first side; 146-a second face; 147-a third face; 148-fourth face.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The system of embodiments of the present invention, generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the following, some embodiments of the present invention will be described in detail with reference to the accompanying drawings, and features of the following embodiments and examples may be combined with each other without conflict.

Examples

As shown in fig. 1, the embodiment of the utility model provides a pair of impact testing machine 100, including impact testing machine host computer 110 and safety protection casing 120, safety protection casing 120 covers and establishes at impact testing machine host computer 110 outsidely, impact testing machine host computer 110 includes fuselage 111, locate the pendulum device 112 of hanging at fuselage 111 top, with hang pendulum 113 that pendulum device 112 is connected and locate the support base 114 of fuselage 111 bottom, safety protection casing 120's cover is established the scope and is greater than pendulum 113's swing scope, and safety protection casing 120 is connected with impact testing machine host computer 110 is detachable.

Further, the impact tester 100 and the main body 111 of the impact tester main unit 110 adopt a simple beam structure, and are composed of a power output mechanism, a pendulum 113, a hanging pendulum device 112, a pendulum raise angle limiting and locking system, an automatic safety pin device, a brake system, a safety protection device, a data acquisition system, a supporting base 114 and the like. In this embodiment, the pendulum 113 is a 300J pendulum 113, and the impact blade can be quickly replaced according to different standards (ASTM) or the worn blade can be replaced in the field. The pendulum hook is used for supporting the pendulum bob 113 during the pendulum lifting; during impact, the swing hook is separated from the pendulum bob 113 to fall freely, and the impact test is completed. The shaft system composed of a speed reducer, an electromagnetic clutch and a main shaft is attracted by the electromagnetic clutch to enable an output shaft of the speed reducer to be connected with the main shaft, and the swinging lifting and releasing actions are completed by positive rotation and negative rotation of a motor. The safety shield 120 can effectively prevent the broken sample from splashing.

Further, as shown in fig. 1 and 2, the safety protection cover 120 includes a protection bracket 123 and a protection net 124, wherein the protection bracket 123 is formed by welding steel end to form a steel skeleton, and the protection net 124 is cut for a metal net and then fixed on each steel skeleton, so that the whole safety protection cover 120 is covered outside the host 110 of the impact tester. The steel material can be rotated to form a rectangular steel pipe or round steel, and round steel is preferred in the embodiment and refers to solid long-strip steel material with a circular section; the metal mesh can be a low-carbon steel mesh, a medium-carbon steel mesh, a high-carbon steel mesh and a stainless steel mesh, the medium-carbon steel mesh of Q235A is preferred in the embodiment, the carbon content of the medium-carbon steel mesh is 0.25% -0.6%, the strength is high, the service life is long, the bearing capacity is good, the comprehensive performance is good, and the damage of the pendulum bob 113 or a test piece broken after the test to surrounding testers can be well prevented.

Further, as shown in fig. 4, the protection net 124 is made of a net material by weaving or welding, and the production process includes: the lower cross weave type is preferred in the present embodiment, and the formed holes have a rectangular or square hole diameter, which has a longer service life than the hole diameter mesh generated during the welding process. The diameter of the steel wires of the protection net 124 is matched with the mesh size, rather than the diameter size, the diameter is preferably 8mm, and the mesh diameter is preferably a steel wire mesh of 10mm × 10 mm.

Further, the safety shield 120 includes a first shield 121 and a second shield 122. The first protective cover 121 covers the top of the host impact tester 110, the second protective cover 122 covers the bottom of the host impact tester 110, and the first protective cover opening 125 and the second protective cover opening 126 are opposite and matched in opening shape to form the complete safety protective cover 120. The utility model discloses in, under the prerequisite that guarantees that safety shield 120's protection scope is greater than pendulum 113's swing range, the appearance of first protection casing 121 can be decided according to actual conditions. In this embodiment, the steel skeleton of the first shield 121 is a rectangular parallelepiped skeleton or a square skeleton, preferably a rectangular parallelepiped skeleton, and in this embodiment, the steel skeleton of the second shield 122 may be a rectangular parallelepiped skeleton or an arc-shaped steel skeleton, preferably an arc-shaped steel skeleton, the arc of which is consistent with the swing arc of the pendulum 113, but the diameter of the arc-shaped steel skeleton is greater than the length of the pendulum 113.

Further, the first shield 121 includes a top surface 144, a first face 145, a second face 146, a third face 147, a fourth face 148, and a first shield opening 125. Which is welded to constitute the entire first shield 121. The first surface 145 and the second surface 146 are respectively disposed on a surface close to the pendulum 113 and a surface far away from the pendulum 113, the first surface 145 and the second surface 146 are disposed opposite to each other, and the third surface 147 and the fourth surface 148 are respectively disposed on two opposite sides of the body 111. The second shield 122 includes a second shield opening 126, a circular arc surface, a fifth surface close to the pendulum 113, and a sixth surface far from the pendulum 113, wherein the fifth surface and the sixth surface are oppositely disposed.

Further, as shown in fig. 2, 5 and 6, the steel skeleton of the first protection cover 121 is further provided with web members 127, which makes the steel skeleton more stable, and the number of the web members 127 may be determined according to actual conditions, in this embodiment, 4 web members 127 are provided on the top of the steel skeleton of the first protection cover 121, i.e., the top surface 144, and one web member 127 is provided on the opposite side edges of the steel skeleton on the swing track of the pendulum 113, i.e., the third surface 147 and the fourth surface 148; the second face 146 is a closed face and is provided with a vertical web 127. The arc-shaped steel frame of the second cover 122 has two web members 127 perpendicular to the swing path of the pendulum 113.

Further, the first shield 121 and the second shield 122 are detachably connected to the main impact tester 110, respectively. Specifically, the first and

second guards

121 and 122 are respectively provided with a first opening 141 and a second opening 142 on the side away from the pendulum 113, wherein the first opening 141 is provided on the first surface 145, the second opening 142 is provided on the sixth surface, and the shape of the first and

second openings

141 and 142 matches the outer shape of the body 111. The first opening 141 and the second opening 142 are welded with a first connecting piece 131 and a second connecting piece 132 respectively, and the first connecting piece 131 and the second connecting piece 132 are connected with two opposite side faces of the body 111 through bolts.

Further, the number of the first connecting members 131 and the second connecting members 132 is at least two, and two or more connecting members are respectively disposed on two opposite sides of the main body 111, in this embodiment, there are 4 first connecting members 131 and 2 second connecting members 132, which are respectively disposed on two opposite sides of the central axis of the main body 111. Specifically, the first connecting member 131 includes a first fixing point piece 133 and a first fixing bolt 135, the second connecting member 132 includes a second fixing point piece 134 and a second fixing bolt 136, and the first fixing bolt 135 and the second fixing bolt 136 respectively pass through bolt holes on the first fixing point piece 133 and the second fixing point piece 134 to fix the first shield 121 and the body 111 and the second shield 122 and the body 111.

Further, a third opening is provided on the fifth surface of the second protection cover 122, so that the part protruding from the main unit 110 of the impact tester can be protruded from the third opening without enlarging the range of the safety protection cover 120, and the swing range of the pendulum 113 can be completely located in the safety protection cover 120.

As shown in fig. 4 and 5, the groove 143 is provided on the first opening 141 near the hanging and swinging device 112, because the hanging and swinging device 112 swings with the driving pendulum 113, and thus the groove 143 provides a swinging space for the hanging and swinging device 112 in order to prevent the hanging and swinging device 112 from colliding with the steel frame of the first opening 141 during swinging.

In this embodiment, an operation method and principle of the impact tester 100 are as follows:

in the test of the impact testing machine 100 of this embodiment, the power output mechanism of the hanging pendulum device 112 drives the pendulum 113 to swing, so that the impact blade can be replaced quickly according to different standards (ASTM) or the worn blade can be replaced on site. The pendulum hook is used for supporting the pendulum bob 113 during the pendulum lifting; during impact, the swing hook is separated from the pendulum bob 113 to fall freely, and the impact test is completed. The safety protection cover 120 covers the whole impact tester host 110, the range of the safety protection cover is larger than the swing range of the pendulum bob 113, and the safety protection cover can effectively prevent the pendulum bob 113 or the broken test piece after the test from splashing to hurt the tester. In addition, when the pendulum 113 or the main impact tester 110 fails, the first fixing bolt 135 can be loosened to detach the first protective cover 121 from the main body 111, and then the pendulum 113 or the main impact tester 110 can be repaired.

To sum up, the utility model provides an impact tester and impact tester system, the protective range of the safety protection casing of its setting is greater than the swing range of pendulum, because swing radian is great when preventing the pendulum experiment, and the impact force of pendulum is great, can receive the injury that the cracked test piece led to the fact the tester behind pendulum or the experiment when falling. Furthermore, the method is simple. The safety protection cover is detachably connected with the impact testing machine, is convenient to use and is suitable for industrial production.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an impact tester, its characterized in that, it includes impact tester host computer and safety protection casing, the safety protection casing cover is established the impact tester host computer is outside, the impact tester host computer includes the fuselage, locates the pendulum device is hung at fuselage top, with hang the pendulum that the pendulum device is connected and locate the support base of fuselage bottom, safety protection casing's cover is established the scope and is greater than the sweep range of pendulum, just safety protection casing with the detachable connection of impact tester host computer.

2. The impact testing machine according to claim 1, wherein the safety shield comprises a protective bracket and a protective mesh, the protective bracket is connected with the protective mesh, and the shape of the protective mesh matches the shape of the protective bracket.

3. The impact testing machine according to claim 2, wherein the protective bracket is formed by welding round steel end to end.

4. The impact tester of claim 2, wherein the protective mesh is a metal mesh.

5. The impact testing machine of claim 1, wherein the safety shield comprises a first shield and a second shield, the first shield covers the top of the main machine of the impact testing machine, the second shield covers the bottom of the main machine of the impact testing machine, and the opening of the first shield is opposite to the opening of the second shield and is matched in shape.

6. The impact tester of claim 5, wherein the first protective cover and the second protective cover are detachably connected to the main machine of the impact tester, respectively.

7. The impact tester of claim 6, wherein the first and second shields have respective first and second openings on a side thereof remote from the pendulum, the first and second openings having a shape that matches the outer shape of the body.

8. The impact testing machine according to claim 7, wherein the first opening and the second opening are respectively provided with a first connecting piece and a second connecting piece, and the first connecting piece and the second connecting piece are connected with two opposite side faces of the machine body through bolts.

9. The impact tester of claim 7, wherein the first opening is provided with a groove having a shape matching the shape of the hanging and swinging device.

10. An impact tester system comprising an impact tester according to any one of claims 1 to 9.