CN214749545U

CN214749545U - Integrated detection device for low-temperature impact toughness of steel

Info

Publication number: CN214749545U
Application number: CN202121238773.5U
Authority: CN
Inventors: 姚远; 张伟; 翁平平
Original assignee: Hangzhou Construction Quality Testing Centre Co ltd
Current assignee: Hangzhou Construction Quality Testing Centre Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-16
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a steel low temperature impact toughness integral type detection device, including the base, the bottom surface of base is equipped with the supporting leg, is equipped with the backup pad on the both sides lateral wall of base respectively, is equipped with the impact tester body in the backup pad, and the top surface of base is equipped with low temperature mechanism, and low temperature mechanism includes workstation, locating piece and liquid nitrogen tank, and the inside of low temperature mechanism is equipped with fixture, and fixture includes grip block, first fixed block, second fixed block and threaded rod, and the top surface of low temperature mechanism is equipped with the apron. Steel low temperature impact toughness integral type detection device, belong to the detection device field, use through the cooperation of the impact tester body that sets up, low temperature mechanism and apron, also can carry out impact test to the sample when carrying out the refrigerated to the sample, avoid the sample to expose under normal atmospheric temperature state, had both guaranteed impact test's precision like this, can detect again from the operation test piece of leisurely.

Description

Integrated detection device for low-temperature impact toughness of steel

Technical Field

The utility model relates to a detection device field, in particular to steel low temperature impact toughness integral type detection device.

Background

The existing method for detecting the low-temperature impact toughness of steel generally stores an impact test piece in a low-temperature tank, and adopts dry ice or liquid nitrogen for cooling, but the test piece is taken out from the low-temperature tank and then placed on an impact tester for impact test, the test piece is at the normal temperature for a period of time, the impact test needs to be completed within a short time, and the low temperature required by the test may not be reached.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides steel low temperature impact toughness integral type detection device, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

steel low temperature impact toughness integral type detection device, including the base, the bottom surface of base is equipped with the supporting leg, is equipped with the backup pad on the both sides lateral wall of base respectively, is equipped with the impact tester body in the backup pad, and the top surface of base is equipped with low temperature mechanism, and low temperature mechanism includes workstation, locating piece and liquid nitrogen tank, and the inside of low temperature mechanism is equipped with fixture, and fixture includes grip block, first fixed block, second fixed block and threaded rod, and the top surface of low temperature mechanism is equipped with the apron.

Preferably, four corner end positions of the bottom surface of the base are respectively and fixedly provided with a supporting leg, the supporting plate is fixedly arranged on the side wall of the base, and the impact testing machine body is fixedly arranged on the top surface of the supporting plate.

Preferably, the workbench is fixedly installed on the top surface of the base, the top surface of the workbench is provided with a cryogenic tank, an inner groove is formed in the workbench, a plurality of vent holes are respectively formed in the groove walls of the two sides of the cryogenic tank and are communicated with the inner groove, a connector is formed in the outer wall of the workbench and is communicated with the inner groove, the top surface of the base is fixedly provided with a liquid nitrogen tank, the liquid nitrogen tank is located at the front end of the workbench, and the air outlet end of the liquid nitrogen tank is fixedly installed on the connector.

Preferably, the four corner end parts of the top surface of the base are respectively and fixedly provided with a positioning block, the four corner end parts of the bottom surface of the cover plate are respectively provided with a positioning hole, the positioning holes correspond to the positioning blocks, the top surface of the cover plate is fixedly provided with symmetrical handles, and the positioning blocks are arranged in the positioning holes in an inserting manner.

Preferably, the chutes are respectively formed in two sides of the side wall of the low-temperature groove, the chutes are located above the vent holes, the clamping plate is symmetrical, the sliding blocks are respectively and fixedly mounted on two sides of the clamping plate, the sliding blocks are movably mounted in the chutes, the first fixing blocks are fixedly mounted on the top surface of the clamping plate, grooves are formed in the outer side wall of the first fixing blocks, and rotating grooves are formed in the grooves of the grooves.

Preferably, the two sides of the top surface of the workbench are respectively and fixedly provided with a second fixing block, a thread groove is formed in the second fixing block, the threaded rod is in threaded connection with the thread groove, the front end of the threaded rod is fixedly provided with a rotating block, and the rotating block is movably arranged in the rotating groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, the cooperation through the impact tester body that sets up, low temperature mechanism and apron is used, also can carry out impact test to the sample when carrying out refrigerated to the sample, avoid the sample to expose under normal atmospheric temperature state, the precision of impact test has both been guaranteed like this, can detect from the container operation test piece again, and the fixture who sets up for fix the sample, avoid the test sample to appear cracked back splash in the impact test, also ensure the stability of sample when being the impact test simultaneously.

Drawings

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

FIG. 2 is a schematic sectional view of the structure of the low temperature mechanism of the present invention;

fig. 3 is a schematic view of the overall structure of the cover plate of the present invention;

fig. 4 is a schematic view of the structure split of the clamping mechanism of the present invention.

In the figure: 1. a base; 2. supporting legs; 3. a support plate; 4. an impact tester body; 5. a low temperature mechanism; 6. a clamping mechanism; 7. a cover plate; 8. a work table; 9. a low temperature tank; 10. a vent hole; 11. an inner tank; 12. a connecting port; 13. a chute; 14. positioning blocks; 15. a liquid nitrogen tank; 16. positioning holes; 17. a handle; 18. a clamping plate; 19. a slider; 20. a first fixed block; 21. a groove; 22. a rotating groove; 23. a second fixed block; 24. a thread groove; 25. a threaded rod; 26. and (6) rotating the block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, steel low temperature impact toughness integral type detection device, including base 1, the bottom surface of base 1 is equipped with supporting leg 2, be equipped with backup pad 3 on the lateral wall of base 1's both sides respectively, be equipped with impact tester body 4 in the backup pad 3, the top surface of base 1 is equipped with low temperature mechanism 5, low temperature mechanism 5 includes workstation 8, locating piece 14 and liquid nitrogen container 15, the inside of low temperature mechanism 5 is equipped with fixture 6, fixture 6 includes grip block 18, first fixed block 20, second fixed block 23 and threaded rod 25, the top surface of low temperature mechanism 5 is equipped with apron 7.

In this embodiment, in order to fix a sample, sliding grooves 13 are respectively formed on two sides of a side wall of a low-temperature groove 9, the sliding grooves 13 are located above the vent holes 10, a clamping plate 18 is symmetrically formed, sliding blocks 19 are respectively fixedly mounted on two sides of the clamping plate 18, the sliding blocks 19 are movably mounted in the sliding grooves 13, a first fixing block 20 is fixedly mounted on a top surface of the clamping plate 18, a groove 21 is formed in an outer side wall of the first fixing block 20, a rotating groove 22 is formed in the groove of the groove 21, second fixing blocks 23 are respectively fixedly mounted on two sides of a top surface of a worktable 8, threaded grooves 24 are formed in the second fixing blocks 23, threaded rods 25 are in threaded connection with the threaded grooves 24, rotating blocks 26 are fixedly mounted at front ends of the threaded rods 25, the rotating blocks 26 are movably mounted in the rotating grooves 22, the sample is firstly placed in the low-temperature groove 9, then the threaded rods 25 on two sides are respectively screwed, at this time, the threaded rods 25 are screwed in the threaded grooves 24 formed in the second fixing blocks 23, and the rotating block 26 arranged at the front end of the threaded rod 25 rotates in the rotating groove 22 arranged in the groove 21 arranged in the first fixed block 20, and at the same time, the clamping plate 18 is driven to move in the low-temperature groove 9, the sliding blocks 19 arranged at the two sides of the clamping plate 18 slide in the sliding grooves 13, the distance between the symmetrical clamping plates 18 is shortened until the threaded rod 25 cannot be screwed, and at the moment, the sample is clamped and fixed in the low-temperature groove 9 by the symmetrical clamping plates 18.

In this embodiment, in order to avoid liquid nitrogen overflowing from the cryotank 9, positioning blocks 14 are fixedly mounted at four corner ends of the top surface of the base 1, positioning holes 16 are formed in four corner ends of the bottom surface of the cover plate 7, the positioning holes 16 correspond to the positioning blocks 14, symmetrical handles 17 are fixedly mounted on the top surface of the cover plate 7, the positioning blocks 14 are inserted into the positioning holes 16, the cover plate 7 is covered on the top surface of the workbench 8 through the handles 17 after a sample is fixed in the cryotank 9, and when the operation is performed, the positioning blocks 14 are inserted into the positioning holes 16 formed in the bottom surface of the cover plate 7.

In this embodiment, in order to perform impact detection on a sample in a low temperature state, a worktable 8 is fixedly installed on the top surface of a base 1, the top surface of the worktable 8 is provided with a cryogenic tank 9, the inside of the worktable 8 is provided with an inner tank 11, two side tank walls of the cryogenic tank 9 are respectively provided with a plurality of vent holes 10, the vent holes 10 are communicated with the inner tank 11, the outer wall of the worktable 8 is provided with a connector 12, the connector 12 is communicated with the inner tank 11, the top surface of the base 1 is fixedly provided with a liquid nitrogen tank 15, the liquid nitrogen tank 15 is positioned at the front end of the worktable 8, the outlet end of the liquid nitrogen tank 15 is fixedly installed on the connector 12, after a cover plate 7 is covered on the top surface of the worktable 8, the air valve of the liquid nitrogen tank 15 is opened to allow the liquid nitrogen inside to directly enter the inner tank 11 through the connector 12, and the liquid nitrogen in the inner tank 11 enters the cryogenic tank 9 from the vent holes 10, and the sample in the low temperature tank 9 is continuously cooled, while the liquid nitrogen remaining in the inner tank 11 indirectly cools the sample.

In this embodiment, in order to detect the impact toughness of the sample, the supporting legs 2 are respectively and fixedly mounted at four corner end portions of the bottom surface of the base 1, the supporting plate 3 is fixedly mounted on the side wall of the base 1, the impact testing machine body 4 is fixedly mounted on the top surface of the supporting plate 3, after the low-temperature mechanism 5 cools the sample to a certain extent, the cover plate 7 is uncovered and the impact testing machine body 4 is opened, so that the impact testing machine body 4 can detect the sample in the low-temperature tank 9, and at this time, the detected sample is still kept in a cooling state and is not exposed at normal temperature.

It should be noted that, the utility model relates to a device for detecting the binding coefficient of heavy goods, when in use, firstly, a sample is placed in the low-temperature groove 9, then the threaded rods 25 on both sides are respectively screwed, at this time, the threaded rods 25 realize the threaded rotation in the threaded grooves 24 formed on the second fixing block 23, the rotating block 26 arranged at the front end of the threaded rods 25 rotates in the rotating groove 22 formed in the groove 21 formed in the first fixing block 20, at the same time, the clamping plate 18 is driven to move in the low-temperature groove 9, the sliding blocks 19 arranged on both sides of the clamping plate 18 slide in the sliding grooves 13, the distance between the symmetrical clamping plates 18 is shortened until the threaded rods 25 can not be screwed, at this time, the sample is clamped and fixed in the low-temperature groove 9 by the symmetrical clamping plates 18, after the sample is fixed in the low-temperature groove 9, the cover plate 7 is covered on the top surface of the worktable 8 through the handle 17, when the operation is executed, the positioning block 14 is inserted into the positioning hole 16 opened on the bottom surface of the cover plate 7 to prevent the liquid nitrogen from overflowing, after the cover plate 7 is covered on the top surface of the worktable 8, the air valve of the liquid nitrogen tank 15 is opened to ensure that the liquid nitrogen in the liquid nitrogen tank directly enters the inner groove 11 through the connecting port 12, the liquid nitrogen in the inner tank 11 enters the cryogenic tank 9 through the vent hole 10 and cools the sample in the cryogenic tank 9 continuously, while the liquid nitrogen remaining in the inner tank 11 indirectly cools the sample, after the low-temperature mechanism 5 cools the sample to a certain degree, the cover plate 7 is uncovered, the impact testing machine body 4 is opened, the impact testing machine body 4 is enabled to test the sample in the low-temperature groove 9, at the moment, the test sample is still kept in a cooling state, the impact test device does not expose to normal temperature, the accuracy of the impact test is guaranteed, and the test piece can be operated easily for detection.

While the invention has been described in detail with reference to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

Claims

1. Steel low temperature impact toughness integral type detection device, its characterized in that: including base (1), the bottom surface of base (1) is equipped with supporting leg (2), be equipped with backup pad (3) on the both sides lateral wall of base (1) respectively, be equipped with impact tester body (4) on backup pad (3), the top surface of base (1) is equipped with low temperature mechanism (5), low temperature mechanism (5) are including workstation (8), locating piece (14) and liquid nitrogen tank (15), the inside of low temperature mechanism (5) is equipped with fixture (6), fixture (6) are including grip block (18), first fixed block (20), second fixed block (23) and threaded rod (25), the top surface of low temperature mechanism (5) is equipped with apron (7).

2. The steel low-temperature impact toughness integrated detection device according to claim 1, characterized in that: four corner end positions of the bottom surface of the base (1) are respectively and fixedly provided with supporting legs (2), the supporting plate (3) is fixedly arranged on the side wall of the base (1), and the impact testing machine body (4) is fixedly arranged on the top surface of the supporting plate (3).

3. The steel low-temperature impact toughness integrated detection device according to claim 2, characterized in that: workstation (8) fixed mounting is on the top surface of base (1), cryotank (9) have been seted up to the top surface of workstation (8), inside groove (11) have been seted up to the inside of workstation (8), a plurality of air vent (10) have been seted up on the both sides cell wall of cryotank (9) respectively, and air vent (10) and inside groove (11) communicate each other, connector (12) have been seted up on the outer wall of workstation (8), and connector (12) and inside groove (11) communicate each other, the top surface fixed mounting of base (1) has liquid nitrogen container (15), and liquid nitrogen container (15) are located the front end of workstation (8), the end fixed mounting that gives vent to anger of liquid nitrogen container (15) is on connector (12).

4. The steel low-temperature impact toughness integrated detection device according to claim 3, characterized in that: the four corner end parts of the top surface of the base (1) are respectively and fixedly provided with positioning blocks (14), the four corner end parts of the bottom surface of the cover plate (7) are respectively provided with positioning holes (16), the positioning holes (16) correspond to the positioning blocks (14), the top surface of the cover plate (7) is fixedly provided with symmetrical lifting handles (17), and the positioning blocks (14) are arranged in the positioning holes (16) in a penetrating manner.

5. The steel low-temperature impact toughness integrated detection device according to claim 4, characterized in that: spout (13) have been seted up respectively to low temperature groove (9) lateral wall both sides, and spout (13) are located the top of air vent (10), grip block (18) are the symmetry form and appear, the both sides of grip block (18) fixed mounting respectively have slider (19), slider (19) movable mounting is in spout (13), the top surface fixed mounting of grip block (18) has first fixed block (20), set up on the lateral wall of first fixed block (20) fluted (21), the inslot of recess (21) is seted up and is rotated groove (22).

6. The steel low-temperature impact toughness integrated detection device according to claim 5, characterized in that: the top surface both sides of workstation (8) are fixed mounting respectively has second fixed block (23), thread groove (24) have been seted up on second fixed block (23), threaded rod (25) carry out threaded connection with thread groove (24), the front end fixed mounting of threaded rod (25) has turning block (26), turning block (26) movable mounting is in rotating groove (22).