CN215262756U

CN215262756U - Low-temperature impact testing machine

Info

Publication number: CN215262756U
Application number: CN202120596517.7U
Authority: CN
Inventors: 余鸣亮
Original assignee: Zhejiang Lianda Forging Co ltd
Current assignee: Zhejiang Lianda Forging Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-21
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a low temperature impact testing machine in the technical field of tests; the intelligent cabinet temperature adjusting device comprises a cabinet body, the work groove has been seted up to the inner wall of the cabinet body, one side lateral wall in work groove is equipped with the hydraulic press, the outer wall fixedly connected with flange that the hydraulic press is close to cabinet internal wall one side, flange is close to the one end of cabinet internal wall and the inner wall fixed connection of the cabinet body, one side lateral wall fixedly connected with impact head that flange is kept away from to the hydraulic press, the bottom of hydraulic press is equipped with the backup pad, the bottom of backup pad and the bottom fixed connection of work inslot wall, the inner wall that hydraulic press one side was kept away from in the work groove is equipped with first fixed plate, the lateral wall that the work groove is located first fixed plate top is equipped with the second fixed plate. The utility model has the advantages that: the device is simple to use, can adjust the internal working environment of the impact testing machine when the material is subjected to impact resistance test operation, is convenient for testing the impact resistance of the material at different temperatures, and is low in energy consumption and capable of reducing the testing cost.

Description

Low-temperature impact testing machine

Technical Field

The utility model relates to an experimental technical field specifically is low temperature impact tester.

Background

Impact testers are used to measure the resistance of metal materials to impact under dynamic load in order to determine the properties of the materials under dynamic load. The absorption work of the sample is obtained by displaying the difference between the potential energy before the impact of the pendulum and the residual potential energy after the impact on a dial.

In the prior art, most impact testing machines can test the impact resistance of materials, if the impact resistance of the materials at different temperatures is required to be tested, the external environment can only be changed to realize side view, the overall temperature of a testing field is changed, the energy consumption is high, and if the materials of the impact testing machines can not adapt to low-temperature operation, the testing result is inaccurate or the impact testing machines are damaged. Accordingly, those skilled in the art have provided a low temperature impact tester to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low temperature impact tester to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the cabinet comprises a cabinet body, wherein a working groove is formed in the inner wall of the cabinet body, a hydraulic machine is arranged on the side wall of one side of the working groove, a connecting flange is fixedly connected to the outer wall of one side of the hydraulic machine close to the inner wall of the cabinet body, one end of the connecting flange close to the side wall of the cabinet body is fixedly connected with the inner wall of the cabinet body, a collision head is fixedly connected to the side wall of one side of the hydraulic machine far away from the connecting flange, a supporting plate is arranged at the bottom of the hydraulic machine, the bottom of the supporting plate is fixedly connected with the bottom of the inner wall of the working groove, a first fixing plate is arranged on the inner wall of the working groove far away from the hydraulic machine, a second fixing plate is arranged on the side wall of the working groove, which is positioned at the top of the first fixing plate, connecting blocks are fixedly connected to the top and the side wall of the bottom of one side of the first fixing plate and the second fixing plate respectively close to the inner wall of the cabinet body, and one side of the four connecting blocks respectively close to the inner wall of the cabinet body is fixedly connected to the inner wall of the cabinet body with the matched position, and a buffer plate is fixedly connected to the side wall of one side of the working groove, which is close to the first fixing plate.

As a further aspect of the present invention: the utility model discloses a cabinet temperature testing device, including the cabinet body, the one end lateral wall swing joint of the cabinet body has first cabinet door, the top of the cabinet body is equipped with the air-blower, the solid fixed ring of outer wall fixedly connected with of air-blower, gu fixed ring keeps away from the bottom at both ends each other all with the top fixed connection of the position phase-match cabinet body, the output fixedly connected with air duct of air-blower, swing joint is run through with the top of the cabinet body to the one end that the air-blower was kept away from to the air duct, can ventilate the work inslot through the air-blower, is convenient for adjust the temperature of work inslot after the test.

As a further aspect of the present invention: the movable plates are arranged between two sides, close to each other, of the second fixing plate and the first fixing plate, a screw is movably connected to the top of each movable plate, the top of each screw is connected with the second fixing plate in a penetrating and meshing mode, and the first fixing plate, the second fixing plate and the movable plates are matched to use so that the test materials can be limited.

As a further aspect of the present invention: the cabinet body is close to the lateral wall fixedly connected with switch board one side, the one end swing joint that the cabinet body was kept away from to the switch board has the second cabinet door, the even fixedly connected with in bottom at both ends ear is fixed to the cabinet body and switch board each other kept away from to the cabinet body, the top of switch board is equipped with the controller, and it is spacing to connect the cabinet body and switch board through fixed ear, prevents to strike and causes the cabinet body and switch board displacement.

As a further aspect of the present invention: the holding tank has been seted up to the inner wall of switch board, the bottom fixedly connected with inoxidizing coating of holding tank inner wall, a plurality of standing grooves have evenly been seted up at the top of inoxidizing coating, and are a plurality of the inner wall of standing groove all is equipped with the liquid nitrogen container, through the liquid nitrogen in the liquid nitrogen container to the inside operation of cooling down of work groove, forms the protection to the liquid nitrogen container through the inoxidizing coating.

As a further aspect of the present invention: it is a plurality of the top of liquid nitrogen container all passes through the stand pipe through connection, one side lateral wall that the stand pipe is close to the cabinet body runs through fixedly connected with connecting pipe, the one end and the switch board through connection that the connecting pipe is close to the cabinet body are through connection with the leading-in work inslot of liquid nitrogen operation of cooling down through stand pipe and connecting pipe.

As a further aspect of the present invention: the cabinet body has seted up the through hole with connecting pipe position assorted lateral wall, the connecting pipe runs through swing joint with the through hole after passing the switch board, the position of through hole is located between first fixed plate and the second fixed plate, the lateral wall fixedly connected with thermometer of work groove position between first fixed plate and the second fixed plate monitors the temperature of work inslot through the thermometer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, provide main installation and working space through the cabinet body, it is spacing to connect the hydraulic press through backup pad cooperation flange, starts cooperation striking head through controller control hydraulic press and carries out impact test to the material, presss from both sides tight spacingly through first fixed plate, second fixed plate cooperation fly leaf to the material, ensures that the striking head can accurately strike the material, is convenient for obtain accurate test result.

The liquid nitrogen container is provided with a storage space through the storage tank, the protective layer and the placing groove are matched to form protection for the liquid nitrogen container, the liquid nitrogen container is prevented from being damaged due to external impact, the liquid nitrogen container is used for cooling the working groove, and the impact resistance of the test material at different temperatures is facilitated.

The device is simple to use, can adjust the internal working environment of the impact testing machine when the material is subjected to impact resistance test operation, is convenient for testing the impact resistance of the material at different temperatures, and is low in energy consumption and capable of reducing the testing cost.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the middle cabinet body of the present invention;

fig. 3 is a schematic structural view of the middle cabinet body of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is a schematic sectional view of the control cabinet of the present invention;

fig. 6 is an enlarged schematic view of the structure at B in fig. 5.

In the figure: 1. a cabinet body; 2. a control cabinet; 3. fixing the ear; 4. a first cabinet door; 5. a fixing ring; 6. a blower; 7. an air duct; 8. a second cabinet door; 9. a controller; 10. a through hole; 11. a working groove; 12. a connecting flange; 13. a hydraulic press; 14. a support plate; 15. a striking head; 16. a buffer plate; 17. a first fixing plate; 18. connecting blocks; 19. a second fixing plate; 20. a screw; 21. a movable plate; 22. a thermometer; 23. a guide tube; 24. a storage tank; 25. a liquid nitrogen tank; 26. a connecting pipe; 27. a protective layer; 28. and (6) placing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in the embodiment of the present invention, a low temperature impact testing machine includes a cabinet 1, a working groove 11 is formed on an inner wall of the cabinet 1, a hydraulic machine 13 is disposed on a side wall of one side of the working groove 11, a connecting flange 12 is fixedly connected to an outer wall of the hydraulic machine 13 near one side of the inner wall of the cabinet 1, one end of the connecting flange 12 near the side wall of the cabinet 1 is fixedly connected to the inner wall of the cabinet 1, a striking head 15 is fixedly connected to a side wall of the hydraulic machine 13 far away from the connecting flange 12, a supporting plate 14 is disposed at a bottom of the hydraulic machine 13, a first fixing plate 17 is disposed on an inner wall of the working groove 11 far away from the hydraulic machine 13, a second fixing plate 19 is disposed on a side wall of the working groove 11 at a top of the first fixing plate 17, and connecting blocks 18 are fixedly connected to a top and a bottom side wall of the first fixing plate 17 and the second fixing plate 19 respectively near the inner wall of the cabinet 1, one side of each of the four connecting blocks 18, which is close to the inner wall of the cabinet body 1, is fixedly connected with the inner wall of the cabinet body 1, which is matched with the position of the connecting block, and the side wall of the working groove 11, which is close to the first fixing plate 17, is fixedly connected with a buffer plate 16.

The side wall of one end of the cabinet body 1 is movably connected with a first cabinet door 4, the top of the cabinet body 1 is provided with an air blower 6, the outer wall of the air blower 6 is fixedly connected with a fixing ring 5, the bottoms of the fixing rings 5 far away from the two ends are fixedly connected with the top of the cabinet body 1 matched in position, the output end of the air blower 6 is fixedly connected with an air duct 7, one end of the air duct 7 far away from the air blower 6 is movably connected with the top of the cabinet body 1 in a penetrating manner, ventilation can be carried out in the working groove 11 through the air blower 6, and the temperature in the working groove 11 can be conveniently adjusted after the test is finished; a movable plate 21 is arranged between the two sides of the second fixed plate 19 and the first fixed plate 17, the top of the movable plate 21 is movably connected with a screw 20, the top of the screw 20 is connected with the second fixed plate 19 in a penetrating and meshing manner, and the first fixed plate 17, the second fixed plate 19 and the movable plate 21 are matched for use so as to limit the test material; the lateral wall fixedly connected with switch board 2 that the cabinet body 1 is close to 16 one sides of buffer board, the one end swing joint that the cabinet body 1 was kept away from to switch board 2 has second cabinet door 8, the even fixedly connected with in bottom of both ends is kept away from each other to the cabinet body 1 and switch board 2 a plurality of fixed ears 3, the top of switch board 2 is equipped with controller 9, it is spacing to connect the cabinet body 1 and switch board 2 through fixed ear 3, prevent to strike and cause the displacement of the cabinet body 1 and switch board 2.

The inner wall of the control cabinet 2 is provided with a storage groove 24, the bottom end of the inner wall of the storage groove 24 is fixedly connected with a protective layer 27, the top of the protective layer 27 is uniformly provided with a plurality of placing grooves 28, the inner walls of the placing grooves 28 are provided with liquid nitrogen tanks 25, the interior of the working groove 11 is cooled through liquid nitrogen in the liquid nitrogen tanks 25, and the protective layer 27 protects the liquid nitrogen tanks 25; the tops of the liquid nitrogen tanks 25 are all connected through guide pipes 23 in a penetrating manner, the side wall of one side, close to the cabinet body 1, of each guide pipe 23 is fixedly connected with a connecting pipe 26 in a penetrating manner, one end, close to the cabinet body 1, of each connecting pipe 26 is connected with the control cabinet 2 in a penetrating manner, and liquid nitrogen is guided into the working tank 11 through the guide pipes 23 and the connecting pipes 26 to be cooled; through hole 10 has been seted up with the lateral wall of connecting pipe 26 position assorted to the cabinet body 1, and connecting pipe 26 runs through swing joint with through hole 10 behind the passing through switch board 2, and the position of through hole 10 is located between first fixed plate 17 and the second fixed plate 19, and work groove 11 is located the lateral wall fixedly connected with thermometer 22 between first fixed plate 17 and the second fixed plate 19, monitors the temperature in the work groove 11 through thermometer 22.

The utility model discloses a theory of operation is: when the device is used, the plurality of fixing lugs 3 are connected with the ground only by placing the device at a proper position, then the second cabinet door 8 is opened, the liquid nitrogen tank 25 storing liquid nitrogen is replaced, the tops of the plurality of liquid nitrogen tanks 25 are connected in series through the guide pipe 23, and then the second cabinet door 8 is closed; the first cabinet door 4 is opened, the screw rod 20 is rotated to the highest position, the test material is placed between the first fixing plate 17 and the movable plate 21, the screw rod 20 is rotated to drive the movable plate 21 to move, the movable plate 21 and the first fixing plate 17 are matched for use, the test material is clamped and limited, the impact force of the hydraulic machine 13 is set through the controller 9, then the connecting pipe 26 is opened, liquid nitrogen enters the working groove 11, the temperature in the working groove 11 is reduced, when the thermometer 22 detects that the temperature in the working groove 11 reaches the test temperature, the hydraulic machine 13 is started, and the impact head 15 is driven to perform impact resistance test on the side view material. After the test is finished, the blower 6 is started, cold air in the working tank 11 is pumped out through the air duct 7, and the liquid nitrogen in the working tank 11 is prevented from frostbite workers. When the temperature in the working groove 11 is consistent with the external temperature, the first cabinet door 4 is opened, the screw 20 is screwed, the movable plate 21 is enabled to release the limit on the test material, the material is taken out, and the test result is measured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Low temperature impact tester, including the cabinet body (1), its characterized in that: a working groove (11) is formed in the inner wall of the cabinet body (1), a hydraulic machine (13) is arranged on the side wall of one side of the working groove (11), a connecting flange (12) is fixedly connected to the outer wall of one side, close to the inner wall of the cabinet body (1), of the hydraulic machine (13), one end, close to the side wall of the cabinet body (1), of the connecting flange (12) is fixedly connected with the inner wall of the cabinet body (1), a collision head (15) is fixedly connected to the side wall of one side, far away from the connecting flange (12), of the hydraulic machine (13), a supporting plate (14) is arranged at the bottom of the hydraulic machine (13), the bottom of the supporting plate (14) is fixedly connected with the bottom of the inner wall of the working groove (11), a first fixing plate (17) is arranged on the inner wall of one side, far away from the hydraulic machine (13), of the working groove (11), a second fixing plate (19) is arranged on the side wall, located at the top of the first fixing plate (17), first fixed plate (17) and second fixed plate (19) are close to one side top and the equal fixedly connected with connecting block (18) of bottom lateral wall of the cabinet body (1) inner wall respectively, four one side that connecting block (18) are close to the cabinet body (1) inner wall respectively all with position assorted cabinet body (1) inner wall fixed connection, work groove (11) are close to one side lateral wall fixedly connected with buffer board (16) of first fixed plate (17).

2. The low-temperature impact tester according to claim 1, wherein: the utility model discloses a cabinet, including the cabinet body, the one end lateral wall swing joint of the cabinet body (1) has first cabinet door (4), the top of the cabinet body (1) is equipped with air-blower (6), the solid fixed ring (5) of outer wall fixedly connected with of air-blower (6), gu fixed ring (5) keep away from the bottom at both ends each other all with the top fixed connection of the position phase-match cabinet body (1), the output fixedly connected with air duct (7) of air-blower (6), swing joint is run through at the top of the one end of air-blower (6) and the cabinet body (1) is kept away from in air duct (7).

3. The low-temperature impact tester according to claim 1, wherein: the movable plates (21) are arranged between two sides, close to each other, of the second fixing plate (19) and the first fixing plate (17), the tops of the movable plates (21) are movably connected with screw rods (20), and the tops of the screw rods (20) are connected with the second fixing plate (19) in a penetrating and meshing mode.

4. The low-temperature impact tester according to claim 1, wherein: the utility model discloses a cabinet, including the cabinet body, the cabinet body (1) is close to lateral wall fixedly connected with switch board (2) of buffer board (16) one side, the one end swing joint that the cabinet body (1) was kept away from in switch board (2) has second cabinet door (8), the even fixedly connected with in bottom at both ends a plurality of fixed ears (3) are kept away from each other to the cabinet body (1) and switch board (2), the top of switch board (2) is equipped with controller (9).

5. The low-temperature impact tester according to claim 4, wherein: holding tank (24) have been seted up to the inner wall of switch board (2), the bottom fixedly connected with inoxidizing coating (27) of holding tank (24) inner wall, a plurality of standing grooves (28) have evenly been seted up at the top of inoxidizing coating (27), and are a plurality of the inner wall of standing groove (28) all is equipped with liquid nitrogen container (25).

6. The low-temperature impact tester according to claim 1 or 5, characterized in that: a plurality of the top of liquid nitrogen container (25) all passes through stand pipe (23) through connection, one side lateral wall that stand pipe (23) are close to the cabinet body (1) runs through fixedly connected with connecting pipe (26), one end and switch board (2) through connection that connecting pipe (26) are close to the cabinet body (1).

7. The low-temperature impact tester according to claim 1 or 6, characterized in that: through hole (10) have been seted up with connecting pipe (26) position assorted lateral wall in the cabinet body (1), connecting pipe (26) run through behind switch board (2) and run through swing joint with through hole (10), the position of through hole (10) is located between first fixed plate (17) and second fixed plate (19), lateral wall fixedly connected with thermometer (22) that work groove (11) are located between first fixed plate (17) and second fixed plate (19).