CN217132834U - Tensile detection device under metal material thermal action - Google Patents
Tensile detection device under metal material thermal action Download PDFInfo
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- CN217132834U CN217132834U CN202122955276.3U CN202122955276U CN217132834U CN 217132834 U CN217132834 U CN 217132834U CN 202122955276 U CN202122955276 U CN 202122955276U CN 217132834 U CN217132834 U CN 217132834U
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Abstract
The utility model discloses a tensile detection device under metal material thermal action, including the tensile test machine body, be provided with pneumatic fixture on the workstation of tensile test machine body, be provided with the heated tube way on the pneumatic fixture, be formed with the centre gripping chamber on the pneumatic fixture, the one end of detecting the test piece is passed the heated tube way centre gripping and is provided with electric heating wire in the centre gripping intracavity in the heated tube way, and the below in centre gripping chamber is provided with range sensor, and range sensor is used for measuring the offset that detects the test piece non-tensile deformation in the experimentation. After the metal test piece centre gripping, detect the amount of movement that the metal test piece produced at tensile in-process through the range finding sensor that sets up below the metal test piece to eliminate the influence of metal test piece amount of movement to tensile experimental result, improve the accuracy nature of tensile experimental parameter result, can simulate different temperature environment simultaneously, with the influence to metal tensile properties under the research different temperature environment.
Description
Technical Field
The utility model relates to a tensile experiment of metal detects technical field, specifically is a tensile detection device under metal material thermoaction.
Background
The tensile test is one of important indexes for detecting the tensile property of metal, an accurate marking line for a sample gauge length in the tensile test is an important parameter for ensuring the accuracy of a tensile result, the requirements of the tensile test on the used sample are different according to different metal materials, and the metal material tensile sample is mostly blocky or rodlike, so that the clamping is convenient for the tensile test; the metal needs strong tensile force for stretching, so that the detection test piece can move on the clamp under the action of the strong tensile force, the moving direction of the detection test piece is along the direction of the tensile force applied by the tensile testing machine, the movement of the detection test piece can be calculated when the tensile testing machine calculates tensile parameters, the result of the tensile test parameters is inaccurate, and the use judgment of subsequent metal is influenced; meanwhile, the metal material is used in various severe environments, such as high-temperature environments, and the existing tensile testing machine cannot provide different thermal environments required by the metal test piece, so that the influence on the tensile property of the metal under different thermal environments cannot be researched.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a tensile detection device under metal material thermoaction, after the metal test piece centre gripping, detect the amount of movement that metal test piece produced at tensile in-process through the range sensor that sets up below the metal test piece to eliminate the influence of metal test piece amount of movement to tensile experimental result, improve the accuracy nature of tensile experimental parameter result, can simulate different temperature environment simultaneously, in order to study the influence to metal tensile properties under the different temperature environment.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a tensile detection device under metal material thermal action, includes the tensile test machine body, be provided with pneumatic fixture on the workstation of tensile test machine body, the last heated tube that is provided with of pneumatic fixture, the last centre gripping chamber that is formed with of pneumatic fixture, the one end that detects the test piece is passed the heated tube centre gripping is in the centre gripping intracavity, be provided with electric heating wire in the heated tube, the below in centre gripping chamber is provided with range sensor, range sensor is used for measuring the offset that detects the non-tensile deformation of test piece in the experimentation.
Further, the pneumatic clamp comprises a left clamping block and a right clamping block which are arranged in a sliding mode, and the clamping cavity is formed between the left clamping block and the right clamping block.
Further, the pneumatic clamp further comprises a base, the left clamping block and the right clamping block are oppositely arranged on the base, the left clamping block and the right clamping block are both in sliding connection with the base, a detection hole is formed in the base, and the distance measuring sensor is installed in the detection hole.
Further, be provided with first cylinder and second cylinder on the base, the telescopic shaft of first cylinder with the left clamp splice is connected, the telescopic shaft of second cylinder with the right clamp splice is connected.
Furthermore, an annular connecting plate is fixed on the heating pipeline close to the pneumatic clamp and connected with the pneumatic clamp through bolts.
Further, run through on the annular connecting plate and seted up two bar grooves, bar inslot slip adaptation has the bolt, all set up threaded hole on left side clamp splice and the right clamp splice, one of them the bolt of bar inslot and the screw hole screw thread adaptation on the left clamp splice, another the bolt of bar inslot and the screw hole screw thread adaptation on the right clamp splice.
Furthermore, two sliding grooves are symmetrically formed in the base, sliding blocks are fixed to the bottoms of the left clamping block and the right clamping block, the sliding block on the left clamping block is matched in one of the sliding grooves in a sliding mode, and the sliding block on the right clamping block is matched in the other sliding groove in a sliding mode.
Furthermore, a pressure sensor is embedded in one surface, close to the clamping cavity, of the left clamping block or the right clamping block.
The utility model has the advantages that:
the utility model provides a tensile detection device under metal material thermoaction, after the metal test piece centre gripping, detects the amount of movement that metal test piece produced at tensile in-process through the range sensor who sets up below the metal test piece to eliminate the influence of metal test piece amount of movement to tensile experimental result, improve the accuracy nature of tensile experimental parameter result, can simulate different temperature environment simultaneously, in order to study the influence to metal tensile properties under the different temperature environment.
Drawings
FIG. 1 is a perspective view of a tensile testing apparatus of the present invention under the action of heat from a metal material;
FIG. 2 is a schematic view of the internal structure of a heating pipe in the tensile testing apparatus under the action of heat of a metal material of the present invention;
FIG. 3 is a perspective view of a base of the tensile testing apparatus of the present invention under the action of heat from a metal material;
FIG. 4 is a top view of the tensile testing apparatus of the present invention under the action of heat from a metal material;
FIG. 5 is a schematic view of the overall structure of the tensile testing apparatus of the present invention under the action of heat from a metal material;
in the figure, 1-a tensile testing machine body, 2-a pneumatic clamp, 3-a heating pipeline, 4-a clamping cavity, 5-an electric heating wire, 6-a distance measuring sensor, 7-a left clamping block, 8-a right clamping block, 9-a base, 10-a detection hole, 11-a first air cylinder, 12-a second air cylinder, 13-an annular connecting plate, 14-a bolt, 15-a strip-shaped groove, 16-a sliding groove, 17-a sliding block and 18-a pressure sensor.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in figures 1 to 5, a tensile testing device under the action of heat of a metal material comprises a tensile testing machine body 1, a pneumatic clamp 2 is arranged on a workbench of the tensile testing machine body 1, a heating pipeline 3 is arranged on the pneumatic clamp 2, a clamping cavity 4 is formed on the pneumatic clamp 2, one end of a test piece passes through the heating pipeline 3 and is clamped in the clamping cavity 4, an electric heating wire 5 is arranged in the heating pipeline 3, a distance measuring sensor 6 is arranged below the clamping cavity 4, the distance measuring sensor 6 is used for measuring the offset of non-tensile deformation of the test piece in the experimental process, the tensile testing machine adopts a vertical type, the metal test piece is vertically clamped through the pneumatic clamp 2, after the metal test piece is clamped, the distance measuring sensor 6 arranged below the metal test piece is used for detecting the movement amount of the metal test piece in the tensile process, so as to eliminate the influence of the movement amount of the metal test piece on the tensile experimental result, the accuracy of the parameter result of the stretching experiment is improved; when needing to study the influence to metal tensile properties under the different temperature environment, after the metal test piece centre gripping is accomplished, install heated tube 3 on pneumatic fixture 2 to make metal test piece pass heated tube 3, electric heating wire 5 connects, through letting in different current intensity to electric heating wire 5, makes electric heating wire 5 produce different temperatures, thereby change the temperature environment in heated tube 3, and then can simulate different temperature environment, with the influence to metal tensile properties under the research different temperature environment.
Further, as shown in fig. 1 and fig. 3, the pneumatic fixture 2 includes a left clamping block 7 and a right clamping block 8 which are slidably disposed, a clamping cavity 4 is formed between the left clamping block 7 and the right clamping block 8, the metal test piece is placed in the clamping cavity 4, and the left clamping block 7 and the right clamping block 8 are moved to contact with the metal test piece for clamping; pneumatic fixture 2 still includes base 9, left clamp splice 7 and right clamp splice 8 set up relatively on base 9, left side clamp splice 7 and right clamp splice 8 all with base 9 sliding connection, inspection hole 10 has been seted up on base 9, range sensor 6 installs in inspection hole 10, provide range sensor 6's installation space through inspection hole 10, and make range sensor 6 be located metal specimen under, make range sensor 6's probe just detect metal specimen's bottom, thereby obtain the amount of movement of metal specimen in tensile process, thereby eliminate the influence of metal specimen amount of movement to the tensile experimental result, improve the accuracy nature of tensile experimental parameter result.
Furthermore, a first air cylinder 11 and a second air cylinder 12 are arranged on the base 9, a telescopic shaft of the first air cylinder 11 is connected with the left clamping block 7, a telescopic shaft of the second air cylinder 12 is connected with the right clamping block 8, two sliding grooves 16 are symmetrically formed in the base 9, sliding blocks 17 are fixed at the bottoms of the left clamping block 7 and the right clamping block 8, the sliding block 17 on the left clamping block 7 is in sliding fit in one sliding groove 16, and the sliding block 17 on the right clamping block 8 is in sliding fit in the other sliding groove 16; drive left clamp splice 7 through first cylinder 11 and slide on base 9, drive right clamp splice 8 through second cylinder 12 and slide on base 9, it is big to adopt cylinder driven mode to lie in the power of cylinder, enables left clamp splice 7 and right clamp splice 8 with higher effort butt metal test piece, thereby improves pneumatic fixture 2's clamping strength, reduces the amount of movement of metal test piece in tensile experiment, perhaps avoids metal test piece to follow pneumatic fixture 2 and goes up the roll-off.
Further, a pressure sensor 18 is embedded into one surface, close to the clamping cavity 4, of the left clamping block 7 or the right clamping block 8, the contact strength between the left clamping block 7 or the right clamping block 8 and the metal test piece is detected through the pressure sensor 18, and the pneumatic clamp is guaranteed to achieve the set clamping strength to clamp the metal test piece.
Further, as shown in fig. 1 and 2, an annular connecting plate 13 is fixed to the heating pipeline 3 close to the pneumatic clamp 2, the annular connecting plate 13 is connected with the pneumatic clamp 2 through bolts 14, two strip-shaped grooves 15 are formed in the annular connecting plate 13 in a penetrating manner, bolts 14 are slidably fitted in the strip-shaped grooves 15, threaded holes are formed in the left clamping block 7 and the right clamping block 8, the bolt 14 in one strip-shaped groove 15 is in threaded fit with the threaded hole in the left clamping block 7, and the bolt 14 in the other strip-shaped groove 15 is in threaded fit with the threaded hole in the right clamping block 8; the setting through bar groove 15 makes the mounted position of heating duct 3 adjustable, during the concrete implementation, the size of 2 centre gripping metal test pieces of air jig is different, and the screw hole position on its left clamp splice 7 and the right clamp splice 8 is also different, and sliding bolt 14 on bar groove 15 this moment makes bolt 14 be located the screw hole directly over, and the head of bolt can not pass bar groove 15 to the head of screwing bolt 14 through bolt 14 supports annular connecting plate 13 tightly on air jig 2, accomplishes the installation of heating duct 3 promptly.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. The utility model provides a tensile detection device under metal material thermoaction, includes tensile test machine body (1), be provided with pneumatic fixture (2) on the workstation of tensile test machine body (1), its characterized in that, be provided with heated tube way (3) on pneumatic fixture (2), be formed with centre gripping chamber (4) on pneumatic fixture (2), the one end that detects the test piece is passed heated tube way (3) centre gripping is in centre gripping chamber (4), be provided with electric heating wire (5) in heated tube way (3), the below in centre gripping chamber (4) is provided with range sensor (6), range sensor (6) are used for measuring the offset that detects the test piece at the non-tensile deformation of experimentation.
2. The device for detecting the tensile strength of the metal material under the action of heat according to claim 1, wherein the pneumatic clamp (2) comprises a left clamping block (7) and a right clamping block (8) which are arranged in a sliding manner, and the clamping cavity (4) is formed between the left clamping block (7) and the right clamping block (8).
3. The metal material tensile detection device under heat action according to claim 2, wherein the pneumatic clamp (2) further comprises a base (9), the left clamping block (7) and the right clamping block (8) are oppositely arranged on the base (9), the left clamping block (7) and the right clamping block (8) are both in sliding connection with the base (9), a detection hole (10) is formed in the base (9), and the distance measuring sensor (6) is installed in the detection hole (10).
4. The metal material tensile detection device under thermal action according to claim 3, wherein a first cylinder (11) and a second cylinder (12) are arranged on the base (9), a telescopic shaft of the first cylinder (11) is connected with the left clamping block (7), and a telescopic shaft of the second cylinder (12) is connected with the right clamping block (8).
5. The device for detecting the tensile strength of the metal material under the action of heat according to claim 2, wherein an annular connecting plate (13) is fixed on the heating pipeline (3) close to the pneumatic clamp (2), and the annular connecting plate (13) is connected with the pneumatic clamp (2) through bolts (14).
6. The device for detecting the tensile strength of the metal material under the action of heat according to claim 5, wherein two strip-shaped grooves (15) penetrate through the annular connecting plate (13), the bolts (14) are slidably matched in the strip-shaped grooves (15), threaded holes are formed in the left clamping block (7) and the right clamping block (8), the bolts (14) in one strip-shaped groove (15) are in threaded fit with the threaded holes in the left clamping block (7), and the bolts (14) in the other strip-shaped groove (15) are in threaded fit with the threaded holes in the right clamping block (8).
7. The device for detecting the tensile strength of the metal material under the action of heat according to claim 3, wherein two sliding grooves (16) are symmetrically formed in the base (9), sliding blocks (17) are fixed to the bottoms of the left clamping block (7) and the right clamping block (8), the sliding block (17) on the left clamping block (7) is slidably fitted in one of the sliding grooves (16), and the sliding block (17) on the right clamping block (8) is slidably fitted in the other sliding groove (16).
8. The metal material tensile testing device under heat action according to claim 7, wherein a pressure sensor (18) is embedded in one surface of the left clamping block (7) or the right clamping block (8) close to the clamping cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122955276.3U CN217132834U (en) | 2021-11-29 | 2021-11-29 | Tensile detection device under metal material thermal action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122955276.3U CN217132834U (en) | 2021-11-29 | 2021-11-29 | Tensile detection device under metal material thermal action |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217132834U true CN217132834U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122955276.3U Active CN217132834U (en) | 2021-11-29 | 2021-11-29 | Tensile detection device under metal material thermal action |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217132834U (en) |
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2021
- 2021-11-29 CN CN202122955276.3U patent/CN217132834U/en active Active
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