CN212748518U - Material clamping device for hardness stretching experiment in material scientific research - Google Patents
Material clamping device for hardness stretching experiment in material scientific research Download PDFInfo
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- CN212748518U CN212748518U CN202021530133.7U CN202021530133U CN212748518U CN 212748518 U CN212748518 U CN 212748518U CN 202021530133 U CN202021530133 U CN 202021530133U CN 212748518 U CN212748518 U CN 212748518U
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Abstract
The utility model discloses a tensile for experiment material clamping device of hardness in material scientific research relates to hardness tensile test technical field, adopts the fixed mode that the alveolus pressed from both sides tight tensile style to current anchor clamps for tensile test, and the alveolus may take place to skid with tensile style when meetting the great material of hardness, leads to the unstable problem of centre gripping, proposes following scheme now, and it includes base, tensile style, locking bolt and tensile arm, the one end fixed surface of base installs the gusset plate, just one side fixed surface that the base was kept away from to the gusset plate installs the installation screw, tensile arm is close to one side surface of base and has seted up the installation screw, just installation screw and installation screw threaded connection. The utility model discloses novel structure, and the device not only can avoid tensile style to drop owing to skid, simultaneously with tensile arm can be comparatively firm be connected to be convenient for later stage change maintenance, suitable popularization.
Description
Technical Field
The utility model relates to a hardness tensile test technical field especially relates to a tensile for experiment material clamping device of hardness in material scientific research.
Background
The hardness and tensile strength of the metal material are criteria for judging the mechanical property of the metal material, and at present, tests on the hardness and tensile strength of the metal material are mainly realized by using a tensile testing machine, and a tensile pattern is fixed by two tensile fixing jaws arranged at two ends of the tensile testing machine, so that subsequent tests are carried out.
The fixed mode of tensile style commonly used at present, most adopt the indent that is provided with evenly distributed in the inside of keeping silent, make the alveolus extrude the surface of work piece through reducing keeping silent, thereby with work piece and tensile arm interconnect, thereby it is fixed with tensile style, this kind of fixed mode is under the great condition of the material hardness of tensile style, because tensile style is limited with the position deformation that the alveolus is connected, the phenomenon that can lead to indent and tensile style's surface to skid, thereby it is firm inadequately to make the centre gripping, and clamping device generally fixes on the arm, it is comparatively complicated to change, the change and the maintenance in inconvenient later stage, therefore, in order to solve this type of problem, we propose a tensile experimental material clamping device of hardness in the material scientific research.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of tensile for experiment material clamping device of hardness in material scientific research has solved current anchor clamps for tensile test and has adopted the fixed mode that the alveolus pressed from both sides tight tensile style, and the alveolus may take place to skid with tensile style when meetting the great material of hardness, leads to the unstable problem of centre gripping.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a material clamping device for hardness stretching experiments in material research comprises a base, a stretching style, a locking bolt and a stretching mechanical arm, wherein a reinforcing plate is fixedly arranged on the surface of one end of the base, and the surface of one side of the reinforcing plate, which is far away from the base, is fixedly provided with a mounting screw, the surface of one side of the stretching mechanical arm, which is near to the base, is provided with a mounting screw hole, the mounting screw is in threaded connection with the mounting screw hole, two symmetrically distributed clamping seats are hinged on the surface of one end of the base far away from the reinforcing plate, and the surfaces of the two clamping seats are fixedly connected with two symmetrically distributed locking plates, the two locking bolts respectively penetrate through the two locking plates which are close to each other, and the locking bolt is in threaded connection with the locking plate at one side far away from the bolt head of the locking bolt, and two semicircular grooves which are symmetrically distributed are formed in the two clamping seats.
Preferably, a side face of the reinforcing plate close to the base is rotated and installed with evenly distributed reinforcing bolts, and the reinforcing bolts all penetrate through the reinforcing plate and are in threaded connection with the stretching mechanical arm.
Preferably, both ends of the stretching pattern are provided with fixed round platforms, and the two fixed round platforms are arranged in the semicircular groove.
Preferably, the surface of the mounting screw is slidably provided with a rubber check ring, the rubber check ring is sleeved with the mounting screw, and the surfaces of the reinforcing bolt and the locking bolt are sleeved with the cushion pads.
Preferably, a clamping table is arranged on one end surface of the clamping seat far away from the base, and the stretching pattern penetrates through the clamping table.
The utility model has the advantages that:
1. the fixing circular truncated cones are arranged at the two ends of the stretching pattern, the semicircular grooves matched with each other are formed in the two clamping seats, the fixing circular truncated cones are placed in the semicircular grooves, the two clamping seats are kept closed mutually through the locking bolts, the fixing circular truncated cones are clamped through the semicircular grooves, the stretching pattern is fixed with the clamping seats, and the stretching pattern is prevented from falling off from the clamping device due to slipping.
2. Through the threaded connection of installation screw rod and tensile arm to install evenly distributed's reinforcing bolt through rotating on the gusset plate, and reinforcing bolt all with tensile arm bolted connection, thereby make the device can be comparatively firm with tensile arm and be connected, and through rotating installation screw rod and reinforcing bolt, can take off the device from tensile arm, thereby make the device make things convenient for the dismouting, the later stage of being convenient for is changed the maintenance.
In conclusion, the device not only can avoid tensile style because skid and drop from clamping device, simultaneously with tensile arm can be comparatively firm be connected to the device makes things convenient for the dismouting, the later stage of being convenient for is changed the maintenance, suitable popularization.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural test chart of the present invention.
Fig. 3 is a schematic structural view of the clamping device of the present invention.
Fig. 4 is a sectional view of the holder in the clamping state of the present invention.
Reference numbers in the figures: the device comprises a base 1, a reinforcing plate 2, an installation screw rod 3, a clamping seat 4, a locking plate 5, a locking bolt 6, a semicircular groove 7, a stretching pattern 8, a fixing circular table 9, a reinforcing bolt 10, a stretching mechanical arm 11 and a rubber check ring 12.
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.
Referring to fig. 1-4, a material clamping device for hardness tensile experiments in material research comprises a base 1, a tensile style 8, locking bolts 6 and a tensile mechanical arm 11, wherein a reinforcing plate 2 is fixedly installed on the surface of one end of the base 1, a mounting screw 3 is fixedly installed on the surface of one side, away from the base 1, of the reinforcing plate 2, a mounting screw hole is formed in the surface of one side, close to the base 1, of the tensile mechanical arm 11, the mounting screw 3 is in threaded connection with the mounting screw hole, two clamping seats 4 which are symmetrically distributed are hinged to the surface of one end, away from the reinforcing plate 2, of the base 1, two locking plates 5 which are symmetrically distributed are fixedly connected to the surfaces of the two clamping seats 4, the two locking bolts 6 respectively penetrate through the two locking plates 5 which are close to each other, and the locking bolts 6 are in threaded connection with the locking plates 5 on the side, away from bolt heads of, two semicircular grooves 7 that are the symmetric distribution are seted up to the inside of grip slipper 4, its characterized in that, reinforcing plate 2 rotates near a side of base 1 and installs evenly distributed's reinforcing bolt 10, just reinforcing bolt 10 all runs through reinforcing plate 2 and with 11 threaded connection of tensile arm, tensile style 8's both ends all are provided with fixed round platform 9, and two fixed round platform 9 all is located the inside setting of semicircular groove 7, the surface sliding mounting of installing screw 3 has circlip 12, just circlip 12 cup joints with installing screw 3, just the blotter has all been cup jointed on reinforcing bolt 10 and locking bolt 6's surface, the one end surface that the base was kept away from to grip slipper 4 is provided with the grip slipper, just tensile style 8 runs through the grip slipper.
The working principle is as follows: before the device is used, the device needs to be installed, firstly, an installation screw rod 3 is aligned to an installation screw hole of a stretching mechanical arm 11, then, the installation screw rod 3 is rotated, the installation screw rod 3 is installed in the installation screw hole, the device and the stretching mechanical arm 11 are mutually fixed, then, a reinforcing bolt 10 is rotatably installed on a reinforcing plate 2, then, the reinforcing bolt 10 is rotated, the reinforcing bolt 10 is in bolt connection with the stretching mechanical arm 11, the connection between the device and the stretching mechanical arm 11 is reinforced, and the use stability is improved; when the device is used, the part of the fixed circular truncated cone 9 of the tensile pattern 8 is firstly placed into the semicircular groove 7 in the clamping seat 4 on one side, then the two clamping seats 4 are rotated to enable the two clamping seats 4 to be mutually closed, the fixed circular truncated cone 9 is positioned in the two semicircular grooves 7, then the two locking bolts 6 are rotated to enable the locking bolts 6 to penetrate through the two locking plates 5 and be in threaded connection with the locking plate 5 on one side, so that the two clamping seats 4 are mutually kept closed, the tensile pattern 8 and the clamping seats 4 can be fixed, and then a strength tensile test can be carried out; when carrying out tensile operation to drawing pattern 8, through the fixed round platform card 9 at 8 both ends of drawing pattern in the inside of two semicircular grooves 7, through fixed round platform 9 with drawing pattern 8 comparatively firm fix inside holder 4, effectual among the intensity tensile test of having avoided drawing pattern 8 drop.
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 (5)
1. A material clamping device for hardness stretching experiments in material scientific researches comprises a base (1), a stretching style (8), locking bolts (6) and a stretching mechanical arm (11), and is characterized in that a reinforcing plate (2) is fixedly arranged on the surface of one end of the base (1), a mounting screw (3) is fixedly arranged on the surface of one side, away from the base (1), of the reinforcing plate (2), a mounting screw is arranged on the surface of one side, close to the base (1), of the stretching mechanical arm (11), the mounting screw (3) is in threaded connection with the mounting screw, two clamping seats (4) which are symmetrically distributed are hinged on the surface of one end, away from the reinforcing plate (2), of the base (1), the two locking plates (5) which are symmetrically distributed are fixedly connected on the surfaces of the two clamping seats (4), and the two locking bolts (6) respectively penetrate through the two locking plates (5) which are close to each other, and the locking bolt (6) is in threaded connection with the locking plate (5) at one side far away from the bolt head, and two semicircular grooves (7) which are symmetrically distributed are formed in the two clamping seats (4).
2. The material clamping device for the hardness stretching experiment in the material research as claimed in claim 1, wherein reinforcing bolts (10) are rotatably mounted on one side surface of the reinforcing plate (2) close to the base (1) and evenly distributed, and the reinforcing bolts (10) penetrate through the reinforcing plate (2) and are in threaded connection with the stretching mechanical arm (11).
3. The material clamping device for the hardness stretching experiment in the material research as claimed in claim 1, wherein both ends of the stretching pattern (8) are provided with fixing circular truncated cones (9), and both fixing circular truncated cones (9) are arranged inside the semicircular groove (7).
4. The material clamping device for the hardness stretching experiment in material research as claimed in claim 2, wherein a rubber retaining ring (12) is slidably mounted on the surface of the mounting screw rod (3), the rubber retaining ring (12) is sleeved with the mounting screw rod (3), and buffering pads are sleeved on the surfaces of the reinforcing bolt (10) and the locking bolt (6).
5. The material clamping device for the hardness stretching experiment in the material research as claimed in claim 1, wherein a clamping table is arranged on one end surface of the clamping seat (4) far away from the base, and the stretching pattern (8) penetrates through the clamping table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021530133.7U CN212748518U (en) | 2020-07-29 | 2020-07-29 | Material clamping device for hardness stretching experiment in material scientific research |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021530133.7U CN212748518U (en) | 2020-07-29 | 2020-07-29 | Material clamping device for hardness stretching experiment in material scientific research |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212748518U true CN212748518U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021530133.7U Active CN212748518U (en) | 2020-07-29 | 2020-07-29 | Material clamping device for hardness stretching experiment in material scientific research |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212748518U (en) |
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2020
- 2020-07-29 CN CN202021530133.7U patent/CN212748518U/en active Active
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