CN217914961U - Frock clamp with safety catch - Google Patents
Frock clamp with safety catch Download PDFInfo
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- CN217914961U CN217914961U CN202222038110.XU CN202222038110U CN217914961U CN 217914961 U CN217914961 U CN 217914961U CN 202222038110 U CN202222038110 U CN 202222038110U CN 217914961 U CN217914961 U CN 217914961U
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- shell
- safety catch
- clamp
- clamping
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Abstract
The utility model relates to a fatigue test technical field especially relates to a frock clamp with safety catch, include: the device comprises a power device, a clamp structure, a base and a safety catch device; the clamp structure includes: two clamping plates and a shell; the two clamping plates are oppositely arranged, the opposite surfaces of the two clamping plates are attached to the external splines, the two ends of the two clamping plates are of wedge-shaped structures, and the two clamping plates and the inner side of the shell do sliding motion; a cavity is arranged on the inner side of the shell, and the liquid supply cylinder and the two clamping plates are arranged; the power device is a hydraulic cylinder and provides power for the relative movement between the clamping plate and the shell; the base is fixedly connected with the bottom of the hydraulic cylinder; the safety catch device is arranged in the cavity of the shell and has a locking effect on the clamp structure. Through the utility model discloses, solved the problem that there is the potential safety hazard at non-during-operation frock clamp, and through the safety catch simple structure, the simple operation not only can not influence the test of anchor clamps, still can avoid probably bringing the unexpected injury for the staff when idle, has greatly improved the security.
Description
Technical Field
The utility model relates to a fatigue test technical field especially relates to a frock clamp with safety catch.
Background
Before the composite material is put into use, the fatigue strength of the composite material needs to be tested, and the composite material can be put into use when meeting the requirements. At present, when the fatigue strength of a sample strip is tested, reinforcing pieces are generally needed to be respectively glued at two ends or two sides of one end of the sample strip, so that the sample strip is clamped and the stress of the sample strip is ensured to be uniform in the testing process.
Before present fatigue detection, all need anchor clamps to carry out the position fixing to the spline that needs the test, and when idle, in order to improve the security performance of anchor clamps, avoid the anchor clamps unusual centre gripping to appear, bring unexpected injury for the staff, urgently need design a section and have safeties's frock clamp.
The information disclosed in this background section is only for enhancement of understanding of the general background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a frock clamp with safety catch can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a frock clamp with safety catch, includes: the safety device comprises a power device, a clamp structure, a base and a safety catch device;
the clamp structure includes: two clamping plates and a shell;
the two clamping plates are oppositely arranged, opposite surfaces of the two clamping plates are attached to the external splines, two ends of each clamping plate are of wedge-shaped structures, and the two clamping plates and the inner side of the shell do sliding motion;
a cavity is formed in the inner side of the shell and used for mounting the power device and the two clamping plates;
the power device is a hydraulic cylinder and provides power for the relative movement between the clamping plate and the shell;
the base is fixedly connected with the bottom of the hydraulic cylinder;
the safety plug device is arranged in the cavity of the shell and has a locking effect on the clamp structure.
Further, the safety catch device includes: a locking plate, a locking hole and a bolt;
the inner side cavity of the shell is of a wedge-shaped structure, a groove is formed in the wedge-shaped structure, and the groove is arranged corresponding to the safety catch device;
the locking plate is arranged in the groove, one end of the locking plate is rotatably connected to the clamping plate, and the other end of the locking plate can freely rotate;
the lockhole is arranged on the locking plate, the clamping plate is provided with a screw hole corresponding to the rotating position of the lockhole and fixed through the bolt.
Furthermore, the safety catch devices are arranged on two sides of the two clamping plates.
Further, the inner side of the clamping plate is provided with a concave-convex surface part.
Furthermore, the hydraulic cylinder is single and is abutted to the bottoms of the two clamping plates to drive the two clamping plates to adjust the distance between the two clamping plates.
Furthermore, the hydraulic cylinders are two and are abutted to the shell to drive the shell to adjust the distance between the two clamping plates.
Furthermore, a plurality of guide posts are installed on the end face of the base, and the shell is sleeved on the guide posts and plays a role in guiding relative movement of the clamping plate and the shell.
Furthermore, a storage groove is formed in the wedge-shaped structures of the two clamping plates, and lubricating oil is filled in the storage groove to lubricate the sliding motion of the clamping plates and the shell.
Through the technical scheme of the utility model, can realize following technological effect:
the problem that there is the potential safety hazard in the non-operating time frock clamp has effectively been solved, and through the safety catch simple structure, the simple operation not only can not influence the test of anchor clamps, still can avoid probably bringing the unexpected injury for the staff when idle, has greatly improved the security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a rear view of embodiment 1;
FIG. 3 is a schematic view of the internal structure of embodiment 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
FIG. 5 is a partial enlarged view of the portion B in FIG. 3;
FIG. 6 is a schematic view of the internal structure of embodiment 2;
FIG. 7 is a schematic view showing the overall structure of embodiment 2;
reference numerals: 1. a splint; 11. a storage tank; 12. a concave-convex surface; 2. a housing; 3. a safety catch device; 31. a locking plate; 32. a lock hole; 33. a bolt; 4. a hydraulic cylinder; 5. a base; 6. and a guide post.
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.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 7, a tooling fixture with a safety plug includes: the device comprises a power device, a clamp structure, a base 5 and a safety catch device 3; the clamp structure includes: two clamping plates 1 and a shell 2; the two clamping plates 1 are oppositely arranged, opposite surfaces of the two clamping plates are attached to the external splines, two ends of the two clamping plates are of wedge-shaped structures, and the two clamping plates and the inner side of the shell 2 do sliding motion; a cavity is arranged on the inner side of the shell 2, and a liquid supply cylinder 4 and two clamping plates 1 are arranged; the power device is a hydraulic cylinder 4 and provides power for the relative movement between the clamping plate 1 and the shell 2; the base 5 is fixedly connected with the bottom of the hydraulic cylinder 4; the safety catch device 3 is arranged in the cavity of the shell 2 and has a locking effect on the clamp structure.
Through the technical scheme of the utility model, effectively solved the problem that there is the potential safety hazard at non-operating time frock clamp, and through safety catch simple structure, the simple operation not only can not influence the test of anchor clamps, still can avoid probably bringing the unexpected injury of staff when idle, greatly improved the security.
In the use, at first close safety catch device 3, cancel the slip restriction to the anchor clamps structure, place the position that the test spline needs the centre gripping between two splint 1 again, two splint 1 are the biggest distance between when the position of free fall, splint 1 interval under can controlling the initial condition here according to the slope inclination of wedge structure and the width of 2 cavitys of casing, the precision of the interval of marcing along with sliding motion can also be controlled to the inclination, through starting up pneumatic cylinder 4, make splint 1 and casing 2 produce sliding motion, it presss from both sides tightly to realize to the test spline until two splint 1, stop pneumatic cylinder 4 work, accomplish the fixed to the test spline.
As shown in fig. 1 to 4, the plug device 3 of the above embodiment preferably includes: a lock plate 31, a lock hole 32, and a bolt 33; the inner side cavity of the shell 2 is of a wedge-shaped structure, a groove is formed in the wedge-shaped structure, and the groove is arranged corresponding to the safety catch device 3; the locking plate 31 is arranged in the groove, one end of the locking plate is rotatably connected to the clamping plate 1, and the other end of the locking plate can rotate freely; the locking hole 32 is arranged on the locking plate 31, and the clamping plate 1 is provided with a screw hole which corresponds to the rotating position of the locking hole 32 and is fixed by a bolt 33. The safety catch device 3 specifically realizes the motion restriction to casing 2 and splint 1 through the recess, and when locking plate 31 and recess laminating state were down, splint 1 and casing 2 can not sliding motion, and when locking plate 31 rotatory left the recess, splint 1 and casing 2 can carry out sliding motion, and the normal start work of anchor clamps structure, the safety of frock clamp has been promoted greatly in setting up of safety catch, avoids the incident of test that probably takes place under unoperated state.
In the above embodiment, the safety catch devices 3 are provided on both sides of the two clamping plates 1. Referring to fig. 1 to 2, for the same purpose, the stability of the safety plug devices 3 is improved, the same safety plug devices 3 are arranged on the same side of the two clamping plates 1, the positions are symmetrically arranged, the structures of the other sides are the same, the arrangement of the plurality of safety plug devices 3 effectively ensures the limiting effect on the clamping plates 1 and the shell 2, and accidents caused by failure of the safety plug devices 3 due to excessive use times or material aging are avoided.
For better fixation of the splint 1, as shown in fig. 5, the inner side of the splint 1 is provided with a concave-convex surface 12 portion. For some conventional test sample strip materials, the relatively smooth clamping plate 1 can also realize the fixation of the test sample strip, but one test sample strip usually needs millions of repeated experiments, if the fixation stability of the clamping plate 1 for the test sample strip cannot be ensured, the precision of a test result is greatly influenced, the friction force on the inner side of the clamping plate 1 can be greatly enhanced by the arrangement of the concave-convex surface 12, and some materials which are not suitable for the clamping of the concave-convex surface 12 can not be influenced by the arrangement of the part of the concave-convex surface 12.
Example 1
In the utility model, as shown in fig. 1 to 3, the hydraulic cylinder 4 is single, and is abutted against the bottom of the two clamping plates 1 to drive the two clamping plates 1 to adjust the distance between the two clamping plates 1. In the embodiment, the hydraulic cylinder 4 is selected as a single cylinder, the single cylinder and the clamping plate 1 move statically, and the clamping plate 1 is pushed to enable the wedge-shaped structure of the clamping plate 1 and the wedge-shaped structure of the shell 2 to move in a sliding mode, so that the adjustment of the distance between the two clamping plates 1 is completed.
Example 2
As shown in fig. 6 and 7, two hydraulic cylinders 4 are provided, which abut against the housing 2 and drive the housing 2 to adjust the distance between the two clamping plates 1. In this embodiment, the difference from the above embodiment is that the clamping plate 1 of the present embodiment is relatively static, and the hydraulic cylinder 4 drives the housing 2 to move relatively with the clamping plate 1, but in contrast to the embodiment 1, the modification is that when the clamping plate 1 moves, not only the clamping force towards the middle but also the upward force are not needed, and in some fragile test strip materials, the upward friction force of the clamping plate 1 may damage the surface of the test strip, so that it is necessary to make the clamping plate 1 relatively static, and reduce the friction force generated during the fixing process of the test strip.
Preferably, as embodiment 1, a plurality of guide posts 6 are installed on the end surface of the base 5, and the housing 2 is sleeved on the guide posts 6 to guide the relative movement of the clamping plate 1 and the housing 2. Referring to fig. 2, in embodiment 2, the guiding function can be achieved by sleeving the two hydraulic cylinders 4 with the housing 2, and in embodiment 1, the arrangement of one hydraulic cylinder 4 can also achieve the guiding function, but is relatively unstable, so that the arrangement of the plurality of guiding columns 6 on the base 5 is beneficial to improving the guiding stability of embodiment 1.
Preferably, as the above embodiment, the wedge-shaped structure of the splint 1 is provided with the storage groove 11, and the storage groove 11 is filled with lubricating oil to lubricate the sliding motion of the splint 1 and the housing 2. Referring to fig. 3, the storage tank 11 is arranged, so that the clamping plate 1 and the shell 2 can slide more smoothly, the friction force is reduced, and the performance of the clamp is improved.
The foregoing illustrates and describes the general principles, features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a frock clamp with safety catch which characterized in that includes: the device comprises a power device, a clamp structure, a base and a safety catch device;
the clamp structure includes: two clamping plates and a shell;
the two clamping plates are oppositely arranged, opposite surfaces of the two clamping plates are attached to an external spline, two ends of the two clamping plates are of wedge-shaped structures, and the two clamping plates and the inner side of the shell do sliding movement;
a cavity is formed in the inner side of the shell and used for mounting the power device and the two clamping plates;
the power device is a hydraulic cylinder and provides power for the relative movement between the clamping plate and the shell;
the base is fixedly connected with the bottom of the hydraulic cylinder;
the safety plug device is arranged in the cavity of the shell and has a locking effect on the clamp structure.
2. The tool clamp with the safety catch of claim 1, wherein the safety catch device comprises: a locking plate, a locking hole and a bolt;
the inner side cavity of the shell is of a wedge-shaped structure, a groove is formed in the wedge-shaped structure, and the groove is arranged corresponding to the safety catch device;
the locking plate is arranged in the groove, one end of the locking plate is rotatably connected to the clamping plate, and the other end of the locking plate can rotate freely;
the lockhole is arranged on the locking plate, the clamping plate is provided with a screw hole corresponding to the rotating position of the lockhole and fixed through the bolt.
3. The tool clamp with the safety catch as claimed in claim 2, wherein the safety catch device is arranged on two sides of each of the two clamping plates.
4. A tool holder with a safety catch as claimed in claim 3, wherein the clamping plate is provided with a concave-convex surface portion on the inner side.
5. The frock clamp with the safety catch of claim 1, wherein the hydraulic cylinder is single and is abutted against the bottoms of the two clamping plates to drive the two clamping plates to adjust the distance between the two clamping plates.
6. The frock clamp with the safety catch of claim 1, wherein the number of the hydraulic cylinders is two, and the two hydraulic cylinders are abutted to the shell and drive the shell to adjust the distance between the two clamping plates.
7. The frock clamp with the safety catch of claim 5, wherein the end surface of the base is provided with a plurality of guide posts, and the shell is sleeved on the guide posts and plays a role in guiding the relative movement of the clamping plate and the shell.
8. The tool clamp with the safety plug as claimed in any one of claims 1 to 7, wherein a storage groove is formed in the wedge-shaped structures of the two clamping plates, and lubricating oil is filled in the storage groove to lubricate sliding movement of the clamping plates and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222038110.XU CN217914961U (en) | 2022-08-03 | 2022-08-03 | Frock clamp with safety catch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222038110.XU CN217914961U (en) | 2022-08-03 | 2022-08-03 | Frock clamp with safety catch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217914961U true CN217914961U (en) | 2022-11-29 |
Family
ID=84153234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222038110.XU Active CN217914961U (en) | 2022-08-03 | 2022-08-03 | Frock clamp with safety catch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217914961U (en) |
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2022
- 2022-08-03 CN CN202222038110.XU patent/CN217914961U/en active Active
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