CN210571721U - Clamp for hydraulic chuck of universal testing machine - Google Patents
Clamp for hydraulic chuck of universal testing machine Download PDFInfo
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- CN210571721U CN210571721U CN201921499241.XU CN201921499241U CN210571721U CN 210571721 U CN210571721 U CN 210571721U CN 201921499241 U CN201921499241 U CN 201921499241U CN 210571721 U CN210571721 U CN 210571721U
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- 239000002184 metal Substances 0.000 description 2
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Abstract
The utility model relates to a mechanical test equipment technical field provides an anchor clamps for universal tester hydraulic chuck, include: the clamping device comprises a first wedge-shaped base, a second wedge-shaped base, a connecting piece, a first clamping plate and a second clamping plate; the inclined plane of the first wedge-shaped base faces the first inclined plane of the hydraulic chuck, the inclined plane of the second wedge-shaped base faces the second inclined plane of the hydraulic chuck, the first wedge-shaped base and the second wedge-shaped base are both slidably mounted on the connecting piece, the first wedge-shaped base and the second wedge-shaped base are symmetrically arranged relative to a perpendicular bisector of the connecting piece, and the connecting piece is detachably connected with a piston column of the hydraulic chuck; the first clamping plate is detachably connected to the first wedge-shaped base, and the second clamping plate is detachably connected to the second wedge-shaped base. This an anchor clamps for universal tester hydraulic chuck has solved that anchor clamps installation is loaded down with trivial details among the current wedge anchor clamps test process, wastes time, difficultly to lead to the lower problem of work efficiency.
Description
Technical Field
The utility model relates to a mechanical test equipment technical field, in particular to an anchor clamps for universal tester hydraulic chuck.
Background
At present, the relatively high-end large-tonnage (200 kN-500 kN) electronic universal testing machine produced by various testing machine manufacturers basically adopts a hydraulic chuck to carry out the tensile test on a metal plate or a bar.
The supporting anchor clamps of hydraulic chuck are mated wedge anchor clamps of various models, and every wedge anchor clamps both sides face symmetry sets up the couple, and on being connected to the jacket of hydraulic chuck through drawing the spring to one side, draw the spring to one side and can guarantee that wedge anchor clamps do not drop, guaranteed simultaneously that wedge anchor clamps reciprocate with the clamp of making things convenient for sample installation and clamp tightly along with hydraulic chuck piston.
The wedge-shaped block clamp has the advantages that the wedge-shaped block clamp is solid and durable, the clamp does not need to be cracked when large tension is generated, but due to the fact that the thickness of a plate sample and the diameter of a bar sample are different, when a specification sample is manufactured, the corresponding wedge-shaped block clamp needs to be replaced, an inclined pull spring needs to be taken down and installed, and the wedge-shaped block clamp is very complex, and accordingly working efficiency is low.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of above-mentioned technical defect and application demand, this application provides a anchor clamps for universal tester hydraulic chuck to solve the lower problem of current wedge anchor clamps work efficiency.
(II) technical scheme
In order to solve the above problem, the utility model provides an anchor clamps for universal tester hydraulic chuck, include: the clamping device comprises a first wedge-shaped base, a second wedge-shaped base, a connecting piece, a first clamping plate and a second clamping plate; the inclined plane of the first wedge-shaped base faces a first inclined plane of a hydraulic chuck, the inclined plane of the second wedge-shaped base faces a second inclined plane of the hydraulic chuck, the first wedge-shaped base and the second wedge-shaped base are both slidably mounted on the connecting piece, the first wedge-shaped base and the second wedge-shaped base are symmetrically arranged about a perpendicular bisector of the connecting piece, and the connecting piece is detachably connected with a piston column of the hydraulic chuck; the first clamping plate is detachably connected to the first wedge-shaped base, and the second clamping plate is detachably connected to the second wedge-shaped base.
The bottom of the first wedge-shaped base is provided with a first blind hole, and the bottom of the second wedge-shaped base is provided with a second blind hole; the clamp for the hydraulic chuck of the universal testing machine further comprises an elastic piece; one end of the elastic piece is positioned in the first blind hole, and the other end of the elastic piece is positioned in the second blind hole.
The clamp for the hydraulic chuck of the universal testing machine further comprises a guide rod; the elastic piece is wound on the guide rod.
Wherein, the elastic component is a return spring.
Wherein the length of the guide rod is equal to the sum of the depth of the first blind hole and the depth of the second blind hole.
Wherein the connecting piece is a trapezoidal guide rail;
the bottom of the first wedge-shaped base is provided with a first dovetail groove matched with the trapezoid guide rail, and the bottom of the second wedge-shaped base is provided with a second dovetail groove matched with the trapezoid guide rail.
The trapezoidal guide rail is connected with the piston column of the hydraulic chuck through a countersunk bolt.
The top of the first wedge-shaped base is provided with a third dovetail groove, and the top of the second wedge-shaped base is provided with a fourth dovetail groove;
the first clamping plate is provided with a first trapezoidal sliding block matched with the third dovetail groove, and the second clamping plate is provided with a second trapezoidal sliding block matched with the fourth dovetail groove.
The first clamp plate is provided with a first jaw, and the second clamp plate is provided with a second jaw; the first jaw and the second jaw cooperate to form a plate jaw.
The first clamping plate is provided with a third jaw, and the second clamping plate is provided with a fourth jaw; the third jaw and the fourth jaw cooperate to form a V-shaped jaw.
(III) advantageous effects
The utility model provides an anchor clamps for universal tester hydraulic chuck at first places the sample between first splint and second splint, starts universal tester, and the piston post of hydraulic chuck drives the motion that the connecting piece carried out the upper and lower direction, and first wedge base and second wedge base move in opposite directions this moment, the inclined plane of first wedge base and the first inclined plane sliding contact of hydraulic chuck, the inclined plane of second wedge base and the second inclined plane sliding contact of hydraulic chuck, namely the distance between first wedge base and the second wedge base reduces; at the same time, the test specimen is clamped by the opposite movement of the first clamping plate and the second clamping plate, and the test is carried out according to the preset universal testing machine speed required by GB/T228.1-2010. This an anchor clamps for universal tester hydraulic chuck has solved that anchor clamps installation is loaded down with trivial details among the current wedge anchor clamps test process, wastes time, difficultly to lead to the lower problem of work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a clamp for a hydraulic chuck of a universal testing machine provided by an embodiment of the present invention;
FIG. 2 is a side view of a first wedge-shaped base of a clamp for a universal testing machine hydraulic chuck according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a trapezoidal guide rail of a clamp for a hydraulic chuck of a universal testing machine according to an embodiment of the present invention;
the device comprises a base, a first wedge-shaped base, a second wedge-shaped base and a third wedge-shaped base, wherein 1, the first wedge-shaped base is arranged; 2. a first splint; 3. a trapezoidal guide rail; 4. a return spring; 5. a guide bar; 6. a countersunk head bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
Fig. 1 is the utility model provides a structural schematic diagram of an anchor clamps for universal testing machine hydraulic chuck, as shown in fig. 1, the utility model provides an anchor clamps for universal testing machine hydraulic chuck, include: a first wedge-shaped base 1, a second wedge-shaped base (not shown in the figure), a connecting piece, a first clamping plate 2 and a second clamping plate (not shown in the figure); the first wedge-shaped base 1 and the second wedge-shaped base can be both right-angled trapezoid wedge-shaped bases;
the first wedge base 1 and the second wedge base are arranged in a cavity of the hydraulic chuck, the inclined plane of the first wedge base 1 faces to the first inclined plane of the hydraulic chuck, the inclined plane of the second wedge base faces to the second inclined plane of the hydraulic chuck, namely the inclined plane of the first wedge base 1 is in sliding contact with the first inclined plane of the hydraulic chuck,
the inclined plane of the second wedge-shaped base is in sliding contact with the second inclined plane of the hydraulic chuck; the first wedge-shaped base 1 and the second wedge-shaped base are both arranged on the connecting piece in a sliding mode;
the first wedge-shaped base 1 and the second wedge-shaped base are symmetrically arranged about a perpendicular bisector of the connecting piece, at the moment, the large end of the first wedge-shaped base 1 faces the bottom of the hydraulic chuck, and the large end of the second wedge-shaped base faces the bottom of the hydraulic chuck; the connecting piece is detachably connected with a piston column at the bottom of the hydraulic chuck; the first clamping plate 2 is detachably connected to the first wedge-shaped base 1, and the second clamping plate is detachably connected to the second wedge-shaped base; the specimen is clamped by the movement of the first clamping plate 2 and the second clamping plate towards each other, and the specimen is released by the movement of the first clamping plate 2 and the second clamping plate away from each other.
In the embodiment of the utility model, at first place the sample between first splint 2 and second splint, start the universal tester, the piston post of hydraulic chuck drives the connecting piece and carries out the motion of upper and lower direction, first wedge base 1 and second wedge base move in opposite directions this moment, the inclined plane of first wedge base 1 and the first inclined plane sliding contact of hydraulic chuck, the inclined plane of second wedge base and the second inclined plane sliding contact of hydraulic chuck, namely the distance between first wedge base 1 and the second wedge base reduces; at the same time, the test specimen is clamped by the opposite movement of the first clamping plate 2 and the second clamping plate, and the test is carried out according to the speed of the universal testing machine preset by the GB/T228.1-2010 requirement. This an anchor clamps for universal tester hydraulic chuck has solved that anchor clamps installation is loaded down with trivial details among the current wedge anchor clamps test process, wastes time, difficultly to lead to the lower problem of work efficiency.
On the basis of the above embodiment, as shown in fig. 2, the bottom of the first wedge-shaped base 1 is provided with a first blind hole, and the bottom of the second wedge-shaped base is provided with a second blind hole; the clamp for the hydraulic chuck of the universal testing machine further comprises an elastic piece; one end of the elastic piece is positioned in the first blind hole, and the other end of the elastic piece is positioned in the second blind hole.
The embodiment of the utility model provides an in, the elastic component can be reset spring 4, and reset spring 4's one end is located first blind hole, and reset spring 4's the other end is located the second blind hole. Before the test is not started, the first wedge-shaped base 1 and the second wedge-shaped base are completely matched with the bayonet of the hydraulic chuck under the action of elastic force provided by the return spring 4; after the test is finished, the first wedge-shaped base 1 and the second wedge-shaped base are completely matched with the bayonet of the hydraulic chuck through the action of the restoring force provided by the return spring 4.
On the basis of the embodiment, the clamp for the hydraulic chuck of the universal testing machine further comprises a guide rod 5; the elastic member is wound around the guide bar 5.
In the embodiment of the present invention, the reset spring 4 is wound on the surface of the guide rod 5 along the length direction of the guide rod 5, and the length of the reset spring 4 is greater than the length of the guide rod 5. By the action of the guide rod 5, the return spring 4 does not deviate from the axial direction of the guide rod 5 when moving, namely, the return spring 4 always reciprocates along the axial direction of the guide rod 5.
On the basis of the above embodiment, the length of the guide rod 5 is equal to the sum of the depth of the first blind hole and the depth of the second blind hole.
In the embodiment of the present invention, the length of the guide rod 5 is equal to the sum of the depth of the first blind hole and the depth of the second blind hole, so that the first side of the first wedge-shaped base 1 and the first side of the second wedge-shaped base can contact each other.
It should be noted that the first blind hole is disposed on the first side surface of the first wedge base 1, and the second blind hole is disposed on the first side surface of the second wedge base.
On the basis of the above embodiment, as shown in fig. 3, the connecting member is a trapezoidal guide rail 3; the bottom of the first wedge-shaped base 1 is provided with a first dovetail groove matched with the trapezoidal guide rail 3, and the bottom of the second wedge-shaped base is provided with a second dovetail groove matched with the trapezoidal guide rail 3.
The embodiment of the utility model provides an in, first dovetail runs through the bottom setting of first wedge base 1, and the second dovetail runs through the bottom setting of second wedge base, and first wedge base 1 removes along the length direction of trapezoidal guide rail 3, and second wedge base removes along the length direction of trapezoidal guide rail 3.
On the basis of the above described embodiment, the trapezoidal guide rail 3 is connected to the piston post of the hydraulic cartridge by means of a countersunk bolt 6.
The embodiment of the utility model provides an in, the intermediate position department of trapezoidal guide rail 3 is provided with the through-hole, and countersunk bolt 6 screws to the middle screw at the top of the piston post of hydraulic chuck after passing the through-hole of trapezoidal guide rail.
On the basis of the embodiment, a third dovetail groove is formed in the top of the first wedge-shaped base 1, and a fourth dovetail groove is formed in the top of the second wedge-shaped base;
the first clamping plate 2 is provided with a first trapezoidal sliding block matched with the third dovetail groove, and the second clamping plate is provided with a second trapezoidal sliding block matched with the fourth dovetail groove.
In the embodiment of the present invention, the second side surface adjacent to the first side surface of the first wedge base 1 is provided with the third dovetail groove, and the second side surface adjacent to the first side surface of the second wedge base is provided with the fourth dovetail groove. A first trapezoidal sliding block is arranged on the surface of the first clamping plate 2, and a second trapezoidal sliding block is arranged on the surface of the second clamping plate. First splint 2 is connected in first wedge base 1 through first trapezoidal slider, and the second splint passes through second trapezoidal slider and connects in second wedge base. At this moment, the surface of the first clamping plate 2 is attached to the second side surface of the first wedge-shaped base 1, the surface of the second clamping plate is attached to the second side surface of the second wedge-shaped base, the top of the first clamping plate 2 is flush with the top of the first wedge-shaped base 1, the top of the second clamping plate is flush with the top of the second wedge-shaped base, the side surface of the first clamping plate 2 is flush with the first side surface of the first wedge-shaped base 1, and the side surface of the second clamping plate is flush with the first side surface of the second wedge-shaped base.
On the basis of the above embodiment, the first clamping plate 2 is provided with a first jaw, and the second clamping plate is provided with a second jaw;
the first jaw and the second jaw cooperate to form a plate jaw.
In the embodiment of the present invention, the first jaw is disposed on the side of the first clamping plate 2, and the second jaw is disposed on the side of the second clamping plate. When the first clamping plate 2 and the second clamping plate move towards each other, namely the distance between the first clamping plate 2 and the second clamping plate is reduced, the first jaw and the second jaw are matched to form a flat plate jaw.
On the basis of the above embodiment, the first clamping plate 2 is provided with a third jaw, and the second clamping plate is provided with a fourth jaw;
the third jaw and the fourth jaw cooperate to form a V-shaped jaw.
In the embodiment of the present invention, the first clamping plate 2 is provided with a third jaw on the side, and the second clamping plate is provided with a fourth jaw on the side. When the first clamping plate 2 and the second clamping plate move towards each other, namely the distance between the first clamping plate 2 and the second clamping plate is reduced, the third jaw and the fourth jaw are matched to form a V-shaped jaw.
The embodiment of the utility model provides a anchor clamps for universal tester hydraulic chuck, winding reset spring 4 on the guide bar, reset spring 4's both ends are installed respectively in the first blind hole that is located the clamping face of first wedge base and in the second blind hole that is located the clamping face of second wedge base, install first splint on first wedge base, second splint are installed on second wedge base, install countersunk bolt 6 to trapezoidal guide rail 3, use bench vice to clip first wedge base and second wedge base, compression reset spring 4 makes first wedge base and second wedge base fold and keep folding state, open universal tester, make the hydraulic chuck be in the unclamping state, punch and the mantle fiber in the top intermediate position of the piston post of hydraulic chuck, put the whole anchor clamps that will keep folding state to hydraulic chuck bayonet department, use the spanner to twist countersunk bolt 6 to the cylinder of hydraulic piston chuck, the first wedge-shaped base and the second wedge-shaped base are loosened, the whole fixture is completely matched with a bayonet of the hydraulic chuck under the action of the reset spring 4, one end of a bar material sample is placed into the V-shaped jaw, a clamping key on the universal testing machine is pressed, a piston column of the hydraulic chuck advances to push the first clamping plate and the second clamping plate to close and clamp the sample, the speed of the testing machine is set according to the GB/T228.1-2010 requirement, the testing machine is started, the wedge-shaped structure of the whole fixture enables the sample to be clamped more and more tightly, the self-locking function is realized, and if a metal plate test is carried out, the V-shaped jaw is only required to be replaced by a flat plate.
The embodiment of the utility model provides an anchor clamps for universal tester hydraulic chuck carries out different specification samples (panel and rod) and examines time measuring, need not to change a whole set of anchor clamps, only need with first splint and second splint take out change for other splint can, easy operation saves time, laborsaving, has greatly improved work efficiency.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A clamp for a universal testing machine hydraulic chuck is characterized by comprising: the clamping device comprises a first wedge-shaped base, a second wedge-shaped base, a connecting piece, a first clamping plate and a second clamping plate;
the inclined plane of the first wedge-shaped base faces a first inclined plane of a hydraulic chuck, the inclined plane of the second wedge-shaped base faces a second inclined plane of the hydraulic chuck, the first wedge-shaped base and the second wedge-shaped base are both slidably mounted on the connecting piece, the first wedge-shaped base and the second wedge-shaped base are symmetrically arranged about a perpendicular bisector of the connecting piece, and the connecting piece is detachably connected with a piston column of the hydraulic chuck; the first clamping plate is detachably connected to the first wedge-shaped base, and the second clamping plate is detachably connected to the second wedge-shaped base.
2. The clamp for the hydraulic chuck of the universal testing machine according to claim 1, wherein the bottom of the first wedge-shaped base is provided with a first blind hole, and the bottom of the second wedge-shaped base is provided with a second blind hole; the clamp for the hydraulic chuck of the universal testing machine further comprises an elastic piece; one end of the elastic piece is positioned in the first blind hole, and the other end of the elastic piece is positioned in the second blind hole.
3. The clamp for a hydraulic chuck of a universal testing machine according to claim 2, further comprising a guide rod; the elastic piece is wound on the guide rod.
4. The clamp for a hydraulic cartridge of a universal testing machine according to claim 3, wherein the elastic member is a return spring.
5. The clamp for a universal tester hydraulic cartridge of claim 3, wherein the length of the guide bar is equal to the sum of the depth of the first blind hole and the depth of the second blind hole.
6. The clamp for the hydraulic chuck of the universal testing machine according to claim 1, wherein the connecting member is a trapezoidal guide rail;
the bottom of the first wedge-shaped base is provided with a first dovetail groove matched with the trapezoid guide rail, and the bottom of the second wedge-shaped base is provided with a second dovetail groove matched with the trapezoid guide rail.
7. The clamp for a universal tester hydraulic chuck according to claim 6, wherein the trapezoidal guide rail is connected to the piston post of the hydraulic chuck by a countersunk bolt.
8. The clamp for the hydraulic chuck of the universal testing machine according to claim 1, wherein the top of the first wedge-shaped base is provided with a third dovetail groove, and the top of the second wedge-shaped base is provided with a fourth dovetail groove;
the first clamping plate is provided with a first trapezoidal sliding block matched with the third dovetail groove, and the second clamping plate is provided with a second trapezoidal sliding block matched with the fourth dovetail groove.
9. The clamp for the hydraulic chuck of the universal testing machine according to claim 1, wherein the first clamping plate is provided with a first jaw, and the second clamping plate is provided with a second jaw;
the first jaw and the second jaw cooperate to form a plate jaw.
10. The clamp for the hydraulic chuck of the universal testing machine according to claim 1, wherein the first clamping plate is provided with a third jaw, and the second clamping plate is provided with a fourth jaw;
the third jaw and the fourth jaw cooperate to form a V-shaped jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499241.XU CN210571721U (en) | 2019-09-10 | 2019-09-10 | Clamp for hydraulic chuck of universal testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499241.XU CN210571721U (en) | 2019-09-10 | 2019-09-10 | Clamp for hydraulic chuck of universal testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN210571721U true CN210571721U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921499241.XU Active CN210571721U (en) | 2019-09-10 | 2019-09-10 | Clamp for hydraulic chuck of universal testing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805450A (en) * | 2020-07-07 | 2020-10-23 | 扬中凯悦铜材有限公司 | Quick clamping device for copper bar tensile test and copper bar tension testing device |
| CN112393988A (en) * | 2020-11-03 | 2021-02-23 | 太原科技大学 | Novel device for thin strip tension bending experiment |
| CN115200974A (en) * | 2022-07-10 | 2022-10-18 | 郑州大学 | Auxiliary stretching device for stretching machine and working steps thereof |
-
2019
- 2019-09-10 CN CN201921499241.XU patent/CN210571721U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805450A (en) * | 2020-07-07 | 2020-10-23 | 扬中凯悦铜材有限公司 | Quick clamping device for copper bar tensile test and copper bar tension testing device |
| CN112393988A (en) * | 2020-11-03 | 2021-02-23 | 太原科技大学 | Novel device for thin strip tension bending experiment |
| CN115200974A (en) * | 2022-07-10 | 2022-10-18 | 郑州大学 | Auxiliary stretching device for stretching machine and working steps thereof |
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