CN219104528U - Drop hammer impact test equipment - Google Patents

Abstract

The utility model discloses drop hammer impact test equipment, which comprises a base, a traction device, an impact device and an objective table, wherein the traction device is arranged on the base; the base is vertically provided with two front upright posts and two rear upright posts, an impact device is arranged between the front upright posts and the rear upright posts, traction devices are further arranged at the tops of the front upright posts and the rear upright posts and are in driving connection with the impact device, an objective table is arranged right below the impact device and fixedly arranged on the base, and a protection device is arranged around the objective table; the utility model is provided with the protection device which can play a role in protecting the object to be tested and prevent the object to be tested from being broken by impact and sputtering the surrounding; the acrylic plate is adopted as a main material, the light transmittance is good and can reach more than 92%, the impact resistance is strong, and sixteen times of that of common glass; not only has good protection effect, but also can not interfere the observation of the object to be tested by personnel.

Description

Drop hammer impact test equipment

Technical Field

The utility model relates to the field of test equipment, in particular to drop hammer impact test equipment.

Background

Impact testing is generally a test method for detecting the safety, reliability and effectiveness of a product when the device is subjected to an external impact or action. The drop weight impact test is also called drop weight test, which is to drop the heavy hammer onto the sample from different heights, calculate the relation between the drop height and the sample destruction rate, and represent the impact resistance of the sample by the drop height, and the main test device is a drop weight tester.

For example, the patent with the publication number of CN217845931U discloses a drop hammer impact testing machine, which belongs to the technical field of mechanical and electronic engineering and comprises a cross beam, a left upright post, a height scale, a left sliding rail, a sliding scale, a secondary impact preventing left mechanism, an object stage surface, a left bottom supporting beam, a left bottom longitudinal beam, a left base angle beam, an object stage upright post, a bottom plate, a lower cross beam, a right base angle beam, a right bottom longitudinal beam, a right bottom supporting beam, a secondary impact preventing right mechanism, a right upright post, a right sliding rail, a hammer frame upper plate, a balancing weight, a screw, a hammer frame lower plate, a hammer head support, a sensor, a hammer head and a fixing clamp,

according to the scheme, the path of the hammer head is standardized through the two upright posts, the risk of detachment of the hammer head is effectively prevented, but the protection of an object to be tested is lacking, and sputtering can be generated around if the object to be tested is broken after the object to be tested receives impact.

Therefore, there is a need for an improvement in such a structure to overcome the above-mentioned drawbacks.

Disclosure of Invention

The utility model aims to provide drop hammer impact test equipment for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a drop hammer impact test device comprises a base, a traction device, an impact device and an objective table; the base is vertically provided with two front upright posts and two rear upright posts, an impact device is arranged between the front upright posts and the rear upright posts, traction devices are further arranged at the tops of the front upright posts and the rear upright posts and are in driving connection with the impact device, an objective table is arranged right below the impact device and fixedly arranged on the base, and a protection device is arranged around the objective table; the protection device comprises a framework and protection plates arranged on the framework, the whole framework is rectangular, the bottom of the framework is fixedly arranged on the base, the protection plates are fixedly arranged on the side walls of the framework, and in order to enable the impact device to be capable of contacting an object to be tested on the object stage, the protection plates are not arranged on the top of the framework; the protection plate and the door are transparent acrylic plates.

Further, the front end of the protection device is also provided with a door for opening, one side of the door is rotationally connected with the framework through a hinge, and the other side of the door is movably connected with the framework through a door lock.

Further, a door handle is further arranged on one side, close to the door lock, of the door, so that the door can be opened and closed conveniently.

Furthermore, the bottoms of the front upright post and the rear upright post are fixedly connected through a lower side plate, the tops of the front upright post and the rear upright post are fixedly connected through an upper side plate, and a top beam is fixedly connected between the two front upright posts; the inner side of the front upright post is provided with a track groove.

Further, the impact device comprises a lifting table, a hammer head arranged at the bottom of the lifting table and a plurality of rail wheels arranged at the rear side of the lifting table; the rail wheel is slidably arranged in the rail groove of the front upright, so that the impact device can only move along the rail groove.

Furthermore, the rear side of the lifting platform is also provided with a limiting wheel, and the wheel diameter of the limiting wheel is smaller than the width of the track groove.

Further, the traction device comprises a traction motor, a speed reducer and a winding drum, wherein the traction motor is in driving connection with the speed reducer and is fixedly arranged at the bottom of the speed reducer, the speed reducer is fixedly arranged at the bottom of a top beam through a mounting bracket, the speed reducer is a double-output-shaft worm gear speed reducer, two output shafts of the speed reducer are fixedly connected with one end of a rotating shaft, and the other end of the rotating shaft is rotatably connected with an upper side plate through a bearing; the rotating shaft is also fixedly provided with a winding drum, a rope is wound on the winding drum, and the bottom end of the rope is fixedly connected to the lifting table of the impact device.

Further, the tops of the front upright post and the rear upright post are fixedly provided with dust covers, and the dust covers cover the traction device, so that dust is prevented from falling on the surfaces of the traction motor, the speed reducer and the like.

Compared with the prior art, the utility model has the beneficial effects that:

the protective device is arranged, so that the protective effect of the object to be tested can be achieved, and the object to be tested is prevented from being broken by impact and sputtering around;

the protection device adopts the acrylic plate as a main material, has good light transmittance which can reach more than 92 percent, and has strong impact resistance which is sixteen times that of common glass; not only has good protection effect, but also can not interfere the observation of the object to be tested by personnel.

Drawings

Fig. 1 is a schematic structural view of a drop hammer impact test apparatus.

Fig. 2 is a side view of a drop hammer impact test apparatus.

Fig. 3 is a schematic view of a drop hammer impact test apparatus with the protective device and dust cover removed.

FIG. 4 is a front view of a drop hammer impact test apparatus with the guard and dust cap removed.

Fig. 5 is a schematic view of the structure of the rear side of the middle impact device of the drop hammer impact test apparatus.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a drop hammer impact test apparatus includes a base 1, a traction device 5, an impact device 4, and a stage 6; two front upright posts 2 and two rear upright posts 3 are vertically arranged on the base 1, an impact device 4 is arranged between the front upright posts 2 and the rear upright posts 3, a traction device 5 is further arranged at the tops of the front upright posts 2 and the rear upright posts 3, the traction device 5 is in driving connection with the impact device 4, an objective table 6 is arranged right below the impact device 4, the objective table 6 is fixedly arranged on the base 1, and a protection device 7 is arranged around the objective table 6;

the improvement of the scheme is that the protection device 7 comprises a framework 701 and a protection plate 702 arranged on the framework 701, the whole framework 701 is rectangular, the bottom of the framework 701 is fixedly arranged on the base 1, the protection plate 702 is fixedly arranged on the side walls of the framework 701, and in order to enable the impact device 4 to be in contact with an object to be tested on the object stage 6, the protection plate 702 is not arranged on the top of the framework 701;

in order to facilitate placement of the object to be tested, the front end of the protection device 7 is further provided with a door 703 for opening, one side of the door 703 is rotatably connected with the framework 701 through a hinge, and the other side of the door 703 is movably connected with the framework 701 through a door lock 704;

a door handle 705 is further arranged on one side, close to the door lock 704, of the door 703 so as to facilitate opening and closing of the door 703;

for easy observation, the protection plate 702 and the door 703 are transparent acrylic plates;

the protection device 7 of the scheme adopts an acrylic plate as a main material, has good light transmittance which can reach more than 92%, and has strong impact resistance which is sixteen times that of common glass; not only has good protection effect, but also does not interfere with personnel to observe the object to be tested;

in this scheme, the bottoms of the front upright post 2 and the rear upright post 3 are fixedly connected through a lower side plate 201, the tops of the front upright post 2 and the rear upright post 3 are fixedly connected through an upper side plate 202, and a top beam 203 is fixedly connected between the two front upright posts 2; the inner side of the front upright post 2 is provided with a track groove 204,

the impact device 4 comprises a lifting platform 401, a hammer head 402 arranged at the bottom of the lifting platform 401 and a plurality of rail wheels 403 arranged at the rear side of the lifting platform 401; the rail wheel 403 is slidably arranged in the rail groove 204 of the front upright 2, so that the impact device 4 can only move along the rail groove 204;

in order to further limit the displacement of the impact device 4 in the front-rear direction, a limiting wheel 404 is further mounted on the rear side of the lifting platform 401, and the wheel diameter of the limiting wheel 404 is smaller than the width of the track groove 204;

the traction device 5 comprises a traction motor 501, a speed reducer 502 and a winding drum 505, wherein the traction motor 501 is in driving connection with the speed reducer 502 and is fixedly arranged at the bottom of the speed reducer 502, the speed reducer 502 is fixedly arranged at the bottom of the top beam 203 through a mounting bracket 503, the speed reducer 502 is a double-output-shaft worm gear speed reducer, two output shafts of the speed reducer 502 are fixedly connected with one end of a rotating shaft 504, and the other end of the rotating shaft 504 is rotatably connected with the upper side plate 202 through a bearing;

a winding drum 505 is fixedly arranged on the rotating shaft 504, a rope 506 is wound on the winding drum 505, and the bottom end of the rope 506 is fixedly connected to the lifting table 401 of the impact device 4;

when the drop hammer impact test equipment of this scheme is used, open door 703, place the product of waiting to test on the objective table, then close the door, draw gear 5 starts, and draw motor 501 drives reel 505 and rotates, promotes impact device 4 to the high level, then reverse motor, and impact device 4 falls along track groove 204, and the hammer 402 on the impact device 4 strikes the product of waiting to test.

As some embodiments of the present solution, the top parts of the front pillar 2 and the rear pillar 3 are fixedly provided with a dust cover 8, and the dust cover 8 covers the traction device 5, so as to prevent dust from falling on the surfaces of the traction motor 501, the speed reducer 502 and the like.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", "left", "right", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in place when the inventive product is used, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims (8)

1. A drop hammer impact test device comprises a base, a traction device, an impact device and an objective table; the base is vertically provided with two front upright posts and two rear upright posts, an impact device is arranged between the front upright posts and the rear upright posts, traction devices are further arranged at the tops of the front upright posts and the rear upright posts and are in driving connection with the impact device, an objective table is arranged right below the impact device and fixedly arranged on the base, and the base is characterized in that a protection device is arranged around the objective table; the protection device comprises a framework and protection plates arranged on the framework, the whole framework is rectangular, the bottom of the framework is fixedly arranged on the base, the protection plates are fixedly arranged on the side walls of the framework, and in order to enable the impact device to be capable of contacting an object to be tested on the object stage, the protection plates are not arranged on the top of the framework; the protection plate and the door are transparent acrylic plates.

2. The drop hammer impact test device according to claim 1, wherein the front end of the protecting device is further provided with a door for opening, one side of the door is rotatably connected with the framework through a hinge, and the other side of the door is movably connected with the framework through a door lock.

3. The drop hammer impact test apparatus of claim 1, wherein the door is further provided with a door handle on a side thereof adjacent to the door lock to facilitate opening and closing of the door.

4. The drop hammer impact test device according to claim 1, wherein the bottoms of the front upright post and the rear upright post are fixedly connected through a lower side plate, the tops of the front upright post and the rear upright post are fixedly connected through an upper side plate, and a top beam is fixedly connected between the two front upright posts; the inner side of the front upright post is provided with a track groove.

5. The drop hammer impact test apparatus of claim 4, wherein the impact device comprises a lifting platform, a hammer head mounted at the bottom of the lifting platform, and a plurality of rail wheels mounted at the rear side of the lifting platform; the rail wheel is slidably arranged in the rail groove of the front upright, so that the impact device can only move along the rail groove.

6. The drop hammer impact test apparatus of claim 5, wherein a limit wheel is further mounted on the rear side of the lifting platform, and the diameter of the limit wheel is smaller than the width of the rail groove.

7. The drop hammer impact test device according to claim 4, wherein the traction device comprises a traction motor, a speed reducer and a winding drum, the traction motor is in driving connection with the speed reducer and is fixedly arranged at the bottom of the speed reducer, the speed reducer is fixedly arranged at the bottom of a top beam through a mounting bracket, the speed reducer is a double-output-shaft worm gear speed reducer, two output shafts of the speed reducer are fixedly connected with one end of a rotating shaft, and the other end of the rotating shaft is rotatably connected with an upper side plate through a bearing; the rotating shaft is also fixedly provided with a winding drum, a rope is wound on the winding drum, and the bottom end of the rope is fixedly connected to the lifting table of the impact device.

8. The drop hammer impact test apparatus of claim 7, wherein the tops of the front and rear posts are also fixedly mounted with dust caps.

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