CN217180323U - Large sample strip tension and compression fatigue test tool - Google Patents
Large sample strip tension and compression fatigue test tool Download PDFInfo
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- CN217180323U CN217180323U CN202220944455.9U CN202220944455U CN217180323U CN 217180323 U CN217180323 U CN 217180323U CN 202220944455 U CN202220944455 U CN 202220944455U CN 217180323 U CN217180323 U CN 217180323U
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Abstract
The utility model discloses a big appearance strip draws presses fatigue test frock belongs to the anchor clamps field, include: the locking device comprises a first mounting plate, a second mounting plate and a locking device; the first mounting plate is arranged above the second mounting plate; two ends of the first mounting plate and the second mounting plate are provided with locking devices, and the locking devices are used for connecting the first mounting plate and the second mounting plate; the front end surface and the rear end surface of the first mounting part are respectively flush with the front end surface and the rear end surface of the first mounting plate, and the front end surface and the rear end surface of the second mounting part are respectively flush with the front end surface and the rear end surface of the second mounting plate, so that the surface areas of the first mounting part and the second mounting part are large enough to accommodate and support a proper cushion block; the cushion block on the first mounting plate and the cushion block on the second mounting plate are matched to clamp the large sample strip, so that the large sample strip is prevented from shaking; the limiting part can further limit the large sample strip to shake.
Description
Technical Field
The utility model belongs to fatigue test frock field, especially a big appearance strip draws presses fatigue test frock.
Background
In the field of sheet forming, the plasticity index and the fracture index of a material are particularly important performance indexes, how to accurately obtain plasticity and fracture data under various paths is an important basis for formulating a forming process, the compression rate of a thin plate is low due to bending instability in a compression test, the change rule of stress strain cannot be comprehensively and accurately obtained, and the fracture of the material is also influenced by various factors, such as the loading path and the strain ratio of the material.
Big spline draws presses fatigue test frock to compare with ordinary spline draws presses fatigue test frock, big spline is bigger for the volume of ordinary spline, need bigger cushion just can make the surface area of cushion bigger, just can with the surface phase-match of big spline, if make great shape with the cushion, then can cause the waste of material, in the actual production, the cushion can be made less shape, nevertheless the bolt as the connecting piece at this moment rocks if wanting to restrict the cushion, just can take place to interfere with big spline, consequently, need design one kind and save the cushion material, and make the big spline of cushion position stability draw and press fatigue test frock.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect, the utility model provides a big appearance strip draws presses fatigue test frock to solve the problem that the background art relates.
The utility model provides a big appearance strip draws presses fatigue test frock, include: the locking device comprises a first mounting plate, a second mounting plate and a locking device; the first mounting plate is arranged above the second mounting plate; two ends of the first mounting plate and the second mounting plate are provided with locking devices, and the locking devices are used for connecting the first mounting plate and the second mounting plate; the middle part of the first mounting plate protrudes downwards to form a first mounting part, and the front end surface and the rear end surface of the first mounting part are respectively flush with the front end surface and the rear end surface of the first mounting plate; the middle part of the second mounting plate protrudes downwards to form a second mounting part, and the front end surface and the rear end surface of the second mounting part are respectively flush with the front end surface and the rear end surface of the second mounting plate; cushion blocks are arranged on the first mounting part and the second mounting part, the large spline is arranged between the first mounting plate and the second mounting plate, and the cushion blocks are used for clamping the large spline; the left and right sides of first installation department and second installation department all is equipped with spacing portion, locking device is located the outside of spacing portion, spacing portion is used for restricting the cushion and rocks.
Preferably or optionally, the positioning device is arranged at two ends of the first mounting plate and the second mounting plate, the positioning device is arranged outside the limiting part, and the positioning device is used for positioning the first mounting plate and the second mounting plate.
Preferably or optionally, the positioning device comprises a first positioning hole, a second positioning hole, a positioning pin and a screw; the first positioning hole is formed in the lower surface of the first mounting plate, the depth of the first positioning hole is smaller than the thickness of the first mounting plate, the second positioning hole is formed in the second mounting plate, the second positioning hole is a through hole, the top end of the positioning pin is embedded into the first positioning hole, and the bottom end of the positioning pin penetrates through the second positioning hole; the upper surface of first mounting panel is equipped with the via hole that is linked together with first locating hole, the top of first locating hole is equipped with the screw hole, the screw passes via hole and screw hole phase-match.
Preferably or optionally, the outer surface of the middle part of the spacer is bent outwards to form a first cambered surface, the middle part of the large spline is bent inwards to form a second cambered surface, and the first cambered surface is suitable for being matched with the second cambered surface.
Preferably or optionally, the locking means comprises a mounting hole and a bolt passing through the mounting hole and connecting the first and second mounting plates.
Preferably or optionally, the pad is of a tough fatigue resistant material.
Preferably or optionally, the tough wear resistant material is silicone rubber.
By adopting the technical scheme, the utility model discloses following beneficial effect has:
(1) the front end surface and the rear end surface of the first installation part of the utility model are respectively flush with the front end surface and the rear end surface of the first installation plate, and the front end surface and the rear end surface of the second installation part are respectively flush with the front end surface and the rear end surface of the second installation plate, so that the surface areas of the first installation part and the second installation part are large enough to accommodate and support a proper cushion block; the cushion block on the first mounting plate and the cushion block on the second mounting plate are matched to clamp the large sample strip, so that the large sample strip is prevented from shaking; the limiting part can further limit the large sample strip to shake.
(2) The positioning device of the utility model is used for positioning the first mounting plate and the second mounting plate, so that the first mounting plate and the second mounting plate are matched in the mounting process and are convenient to mount; in the use, positioner can restrict first mounting panel and second mounting panel and rock, improves the stability in use of frock.
(3) The first positioning hole, the second positioning hole and the positioning pin are matched to play a positioning role and limit the tool to shake; the user installs the dowel earlier, and the rethread screw is screwed up the dowel, and it is more convenient to install and dismantle for the dowel is fixed on first mounting panel, makes the frock use more stable.
(4) The utility model discloses a clearance appears when avoiding cushion and the cooperation of big appearance strip in the shape phase-match of first cambered surface and second cambered surface, and cushion and the cooperation of big appearance strip are inseparabler for cushion and the cooperation of big appearance strip are more stable.
(5) The utility model discloses a first mounting panel and second mounting panel can be connected to the bolt to it is more convenient that the bolt installation is dismantled.
(6) The large sample strip of the utility model can generate heat when being pulled and pressed for a long time, the first cushion block and the second cushion block need to adopt toughness fatigue-resistant materials, and the first cushion block and the second cushion block are prevented from generating deformation and clamping the large sample strip; the silicon rubber has outstanding heat resistance, can work for a long time at 180 ℃, and the first cushion block and the second cushion block made of the silicon rubber have stronger fatigue resistance and longer service life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the first mounting plate of the present invention.
Fig. 4 is a schematic structural diagram of the second mounting plate of the present invention.
Fig. 5 is a schematic structural view of the dowel of the present invention.
Fig. 6 is a schematic structural diagram of the cushion block of the present invention.
Fig. 7 is a schematic structural diagram of the large sample strip of the present invention.
The reference signs are: the locking device comprises a first mounting plate 1, a first mounting portion 11, a second mounting plate 2, a second mounting portion 21, a locking device 3, a mounting hole 31, a bolt 32, a cushion block 4, a first arc surface 41, a large spline 5, a second arc surface 51, a limiting portion 6, a positioning device 7, a first positioning hole 71, a second positioning hole 72, a positioning pin 73, a screw 74, a through hole 75 and a threaded hole 76.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as 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 present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 7, the large spline tension-compression fatigue test fixture of the present embodiment includes a first mounting plate 1, a second mounting plate 2, a locking device 3, a cushion block 4, a large spline 5, a limiting portion 6, and a positioning device 7.
The tool comprises a first mounting plate 1, a second mounting plate 2, a locking device 3 and a locking device 3, wherein the first mounting plate 1 is arranged above the second mounting plate 2, the locking device 3 is arranged at two ends of the first mounting plate 1 and the second mounting plate 2, the locking device 3 is uniformly arranged along the length direction of the first mounting plate 1, the uniform arrangement can ensure that the locking force at each position of the tool is uniformly distributed, and the locking device 3 is used for connecting the first mounting plate 1 and the second mounting plate 2; the middle part of the first mounting plate 1 protrudes downwards to form a first mounting part 11, the front end surface and the rear end surface of the first mounting part 11 are respectively flush with the front end surface and the rear end surface of the first mounting plate 1, the middle part of the second mounting plate 2 protrudes downwards to form a second mounting part 21, the front end surface and the rear end surface of the second mounting part 21 are respectively flush with the front end surface and the rear end surface of the second mounting plate 2, so that the surface areas of the first mounting part 11 and the second mounting part 21 are large enough to accommodate and support a cushion block 4 with a large surface area; cushion blocks 4 are arranged on the first mounting portion 11 and the second mounting portion 21, and the first mounting portion 11 and the second mounting portion 21 can support the cushion blocks 4.
In a further embodiment, the large splines 5 are arranged between the first mounting plate 1 and the second mounting plate 2, i.e. between the spacers 4 on the first mounting plate 1 and the spacers 4 on the second mounting plate 2, the spacers 4 cooperating to clamp the large splines 5; the left side and the right side of the first installation part 11 and the second installation part 21 are respectively provided with two limiting parts 6, the limiting parts 6 are in a strip shape, under the condition that the strength of the limiting parts 6 meets the requirement, the contact area between the strip-shaped limiting parts 6 and the cushion block 4 is the largest, meanwhile, the size of the limiting parts 6 is the smallest, and the material cost can be saved; the locking device 3 is located the outside of spacing portion 6, and locking device 3 and spacing portion 6 mutually noninterfere to spacing portion 6 is used for restricting cushion 4 and rocks.
In a further embodiment, the locking device further comprises two positioning devices 7, the two positioning devices 7 are arranged at two ends of the first mounting plate 1 and the second mounting plate 2, the positioning devices 7 are uniformly arranged along the length direction of the first mounting plate 1, the positions of the positioning devices 7 and the locking device 3 are not interfered with each other, the positioning devices 7 are arranged at the outer side of the limiting part 6, the positions of the positioning devices 7 and the limiting part 6 are not interfered with each other, and the positioning devices 7 are used for positioning the first mounting plate 1 and the second mounting plate 2, so that the first mounting plate 1 and the second mounting plate 2 are matched in the mounting process and are convenient to mount; in the use, positioner 7 also can restrict first mounting panel 1 and second mounting panel 2 and rock, improves the stability in use of frock.
In a further embodiment, the positioning device 7 comprises a first positioning hole 71, a second positioning hole 72, a positioning pin 73 and a screw 74; the first positioning hole 71 is arranged on the lower surface of the first mounting plate 1, the depth of the first positioning hole 71 is smaller than the thickness of the first mounting plate 1, namely the first positioning hole 71 is not a through hole, the second positioning hole 72 is arranged on the second mounting plate 2, the second positioning hole 72 is a through hole, the positioning pin 73 is matched with the first positioning hole 71 and the second positioning hole 72, wherein the top end of the positioning pin 73 is embedded into the first positioning hole 71, and the bottom end of the positioning pin 73 penetrates through the second positioning hole 72; the upper surface of first mounting panel 1 is equipped with the via hole 75 that is linked together with first locating hole 71, and the top of first locating hole 71 is equipped with screw hole 76, and screw 74 passes via hole 75 and screw hole 76 phase-match, and the user installs dowel 73 earlier, and rethread screw 74 screws up dowel 73, and the installation is dismantled more conveniently for dowel 73 fixes on first mounting panel 1, makes the frock use more stable.
In further embodiment, the outer surface at the middle part of cushion 4 forms first cambered surface 41 to the incurvation, the middle part incurvation of big spline 5 forms second cambered surface 51, first cambered surface 41 and second cambered surface 51 phase-match, the shape phase-match of frock through first cambered surface 41 and second cambered surface 51, and then appear the clearance when avoiding cushion 4 and 5 cooperation of big spline, make cushion 4 inseparabler with the cooperation of big spline 5, make cushion 4 and the cooperation of big spline 5 more stable.
In further embodiment, bolt 32 can be chooseed for use to locking device 3's retaining member, the double-screw bolt, connect vice, bolt 32 is chooseed for use to the retaining member of this embodiment, bolt 32 installation is dismantled more conveniently, wherein locking device 3 of this embodiment includes mounting hole 31 and bolt 32, bolt 32 passes mounting hole 31, and connect first mounting panel 1 and second mounting panel 2, when the big spline 5 of frock test draws and presses fatigue process, locking device can guarantee the stability of frock, avoid leading to the frock not hard up because of lacking locking device 3, the degree of accuracy during the influence test, thereby the degree of accuracy when improving the frock test.
In a further embodiment, the large sample strips 5 can generate heat due to long-term tension and compression, the first cushion block 4 and the second cushion block 4 need to be made of tough fatigue-resistant materials, the first cushion block 4 and the second cushion block 4 are prevented from deforming and clamping the large sample strips 5 loosely, the cushion block 4 is made of tough fatigue-resistant materials, the tough fatigue-resistant materials can be made of silicon rubber and polyurethane, the tough wear-resistant materials of the embodiment are made of silicon rubber, the heat resistance of the silicon rubber is outstanding, the large sample strips can work for a long time at 180 ℃, the fatigue resistance of the first cushion block 4 and the second cushion block 4 made of the silicon rubber is stronger, and the large sample strips 5 cannot be clamped tightly due to softening of the heat generated in the tension and compression process of the cushion blocks 4.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
Claims (7)
1. The utility model provides a big sample strip draws presses fatigue test frock which characterized in that includes: the locking device comprises a first mounting plate (1), a second mounting plate (2) and a locking device (3); the first mounting plate (1) is arranged above the second mounting plate (2); two ends of the first mounting plate (1) and the second mounting plate (2) are provided with locking devices (3), and the locking devices (3) are used for connecting the first mounting plate (1) and the second mounting plate (2);
the middle part of the first mounting plate (1) protrudes downwards to form a first mounting part (11), and the front end surface and the rear end surface of the first mounting part (11) are flush with the front end surface and the rear end surface of the first mounting plate (1) respectively;
the middle part of the second mounting plate (2) protrudes downwards to form a second mounting part (21), and the front end surface and the rear end surface of the second mounting part (21) are flush with the front end surface and the rear end surface of the second mounting plate (2) respectively;
cushion blocks (4) are arranged on the first mounting part (11) and the second mounting part (21), the large spline (5) is arranged between the first mounting plate (1) and the second mounting plate (2), and the cushion blocks (4) are used for clamping the large spline (5);
the left and right sides of first installation department (11) and second installation department (21) all is equipped with spacing portion (6), locking device (3) are located the outside of spacing portion (6), spacing portion (6) are used for restricting cushion (4) and rock.
2. The large sample strip tension and compression fatigue test tool according to claim 1, further comprising a positioning device (7), wherein the positioning device (7) is arranged at two ends of the first mounting plate (1) and the second mounting plate (2), the positioning device (7) is arranged at the outer side of the limiting portion (6), and the positioning device (7) is used for positioning the first mounting plate (1) and the second mounting plate (2).
3. The large sample strip tension and compression fatigue test tool according to claim 2, wherein the positioning device (7) comprises a first positioning hole (71), a second positioning hole (72), a positioning pin (73) and a screw (74); the first positioning hole (71) is formed in the lower surface of the first mounting plate (1), the depth of the first positioning hole (71) is smaller than the thickness of the first mounting plate (1), the second positioning hole (72) is formed in the second mounting plate (2), the second positioning hole (72) is a through hole, the top end of the positioning pin (73) is embedded into the first positioning hole (71), and the bottom end of the positioning pin penetrates through the second positioning hole (72); the upper surface of first mounting panel (1) is equipped with via hole (75) that are linked together with first locating hole (71), the top of first locating hole (71) is equipped with screw hole (76), screw (74) pass via hole (75) and screw hole (76) phase-match.
4. The large spline tension-compression fatigue testing tool according to claim 1, wherein the outer surface of the middle part of the cushion block (4) is bent outwards to form a first arc surface (41), the middle part of the large spline (5) is bent inwards to form a second arc surface (51), and the first arc surface (41) is suitable for being matched with the second arc surface (51).
5. The large sample strip tension and compression fatigue test tool according to claim 1, wherein the locking device (3) comprises a mounting hole (31) and a bolt (32), and the bolt (32) penetrates through the mounting hole (31) and is connected with the first mounting plate (1) and the second mounting plate (2).
6. The large sample strip tension-compression fatigue test tool according to claim 1, wherein the cushion block (4) is made of a tough fatigue-resistant material.
7. The tensile-compression fatigue test tool for large sample strips according to claim 6, wherein the tough fatigue-resistant material is silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220944455.9U CN217180323U (en) | 2022-04-22 | 2022-04-22 | Large sample strip tension and compression fatigue test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220944455.9U CN217180323U (en) | 2022-04-22 | 2022-04-22 | Large sample strip tension and compression fatigue test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217180323U true CN217180323U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220944455.9U Active CN217180323U (en) | 2022-04-22 | 2022-04-22 | Large sample strip tension and compression fatigue test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217180323U (en) |
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2022
- 2022-04-22 CN CN202220944455.9U patent/CN217180323U/en active Active
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