CN212932160U - Closed hydraulic chuck - Google Patents
Closed hydraulic chuck Download PDFInfo
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- CN212932160U CN212932160U CN202021247170.7U CN202021247170U CN212932160U CN 212932160 U CN212932160 U CN 212932160U CN 202021247170 U CN202021247170 U CN 202021247170U CN 212932160 U CN212932160 U CN 212932160U
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Abstract
The utility model relates to a testing machine hydraulic pressure chuck technical field, concretely relates to closed hydraulic pressure chuck. Including tester base and hydro-cylinder, the hydro-cylinder includes the cylinder body and divide into the piston of epicoele and cavity of resorption two parts with the cylinder body, epicoele and cavity of resorption one side of hydro-cylinder all are provided with high pressure fuel pipe, piston lower extreme fixed connection is on the base, piston upper end fixedly connected with T type guide block, the equal fixedly connected with in the T type guide block left and right sides is kept silent, both sides fixedly connected with pincers mouth seat and end cover respectively about the hydro-cylinder. The closed structure has small deformation relative to the open structure, the volume of the chuck is easy to be reduced, the weight is lightened, and the natural frequency of the chuck can be improved, so that the frequency response of the fatigue testing machine is improved.
Description
Technical Field
The utility model relates to a testing machine hydraulic pressure chuck technical field, concretely relates to closed hydraulic pressure chuck.
Background
A testing machine, in a broad sense, is an apparatus for verifying the quality or performance of a product or material before the product or material is put into use, according to design requirements. By definition, all instruments that perform a proof of quality or performance may be called testers. The hydraulic chuck that testing machine was used commonly at present mainly adopts open structure, and the sample is directly put into from chuck side opening part, and the centre gripping is convenient, nevertheless because of adopting open structure, it is too big, leads to weight big, and natural frequency is low, seriously influences fatigue testing machine's dynamic response.
SUMMERY OF THE UTILITY MODEL
To the above insufficiency, the utility model provides a closed hydraulic chuck.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a closed hydraulic chuck, includes tester base and hydro-cylinder, the hydro-cylinder includes the cylinder body and divide into the piston of epicoele and cavity of resorption two parts with the cylinder body, epicoele and cavity of resorption one side of hydro-cylinder all are provided with high pressure fuel pipe, piston lower extreme fixed connection is on the base, piston upper end fixedly connected with T type guide block, the equal fixedly connected with in T type guide block left and right sides is kept silent, both sides fixedly connected with pincers mouth seat and end cover respectively about the hydro-cylinder.
Preferably, a jaw baffle for buffering is arranged between the jaw and the jaw seat. The purpose slows down the wearing and tearing of keeping silent with the jaw seat, prolongs the life of keeping silent, and can make the more firm clamp of keeping silent wait to detect the metal rod.
Preferably, a guide screw for fixing the T-shaped guide block and the jaw is arranged between the T-shaped guide block and the jaw.
Preferably, an inner hexagon screw for fixing the T-shaped guide block and the upper end of the piston is arranged between the T-shaped guide block and the upper end of the piston.
The guide screw and the inner hexagon screw both adopt the prior art, and the joint of the guide screw and the inner hexagon screw is provided with a gasket for preventing the screw from sliding.
Preferably, the longitudinal section of the inner wall of the jaw seat is trapezoidal, one side of each jaw opposite to the other side of each jaw is arranged in parallel, and the other side of each jaw opposite to the other side of each jaw is arranged in parallel with the inner wall of the jaw seat.
Preferably, rubber pads are arranged on the opposite sides of the two jaws. The rubber pad has certain elasticity, can not damage its surface when the metal rod that detects is pressed from both sides tightly to the jaw.
Preferably, the rubber pad is provided with anti-skid lines, and the anti-skid lines are arranged to prevent the metal rod to be detected from rotating.
The utility model has the advantages that: the utility model provides a closed hydraulic chuck, which has simple structure and reasonable design; the closed structure has small deformation relative to the open structure, the volume of the chuck is easy to be reduced, the weight is lightened, and the natural frequency of the chuck can be improved, so that the frequency response of the fatigue testing machine is improved.
Drawings
FIG. 1 is a schematic sectional view of the main structure of the present invention;
fig. 2 is a schematic top view of the present invention.
The hydraulic clamping device comprises a jaw seat 1, a jaw baffle 2, a jaw 3, a jaw 4, a guide screw 5, a T-shaped guide block 6, a socket head cap screw 7, a piston 8, a cylinder body 9, a high-pressure oil pipe 10 and an end cover.
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. 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 present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The closed hydraulic chuck as shown in fig. 1-2 comprises a tester base and an oil cylinder, wherein the oil cylinder comprises a cylinder body 8 and a piston 7 which divides the cylinder body 8 into an upper cavity and a lower cavity, the upper cavity and the lower cavity of the oil cylinder are respectively provided with a high-pressure oil pipe 9, the lower end of the piston 7 is fixedly connected to the base, the upper end of the piston 7 is fixedly connected with a T-shaped guide block 5, jaws 3 are fixedly connected to the left side and the right side of the T-shaped guide block 5, and the upper side and the lower side of the oil cylinder are respectively fixedly connected with a jaw seat 1 and an end.
In the embodiment, a jaw baffle 2 for buffering is arranged between the jaw 3 and the jaw seat 1. The purpose slows down the wearing and tearing of keeping silent 3 and keeping silent seat 1, and the life of extension keeping silent 3, and can make 3 firm clamping of keeping silent wait to detect the metal rod more.
In the embodiment, a guide screw 4 for fixing the T-shaped guide block 5 and the jaw 3 is arranged between the two.
In the embodiment, a socket head cap screw 6 for fixing the T-shaped guide block 5 and the upper end of the piston 7 is arranged between the two.
The guide screw 4 and the socket head cap screw 6 both adopt the prior art, and the junction of the guide screw 4 and the socket head cap screw 6 is provided with a gasket for preventing the screw from sliding.
In this embodiment, the longitudinal section of the inner wall of the jaw seat 1 is trapezoidal, two opposite sides of the jaws 3 are arranged in parallel, and the opposite sides of the jaws 3 are arranged in parallel with the inner wall of the jaw seat 1.
In this embodiment, a rubber pad is disposed on the opposite side of the two jaws 3. The rubber pad has certain elasticity, can not damage its surface when the metal rod that detects is pressed from both sides tightly to the jaw 3.
In this embodiment, the rubber pad is provided with anti-slip lines, and the anti-slip lines are arranged to prevent the rotation of the metal rod to be detected.
The working principle is as follows: the utility model provides a pair of closed hydraulic chuck, the oil cylinder epicoele oil feed cavity of resorption oil production during use, cylinder body 8 and the seat of keeping silent 1 go upward, keep silent 3, keep silent baffle 2 and leave the seat of keeping silent 1, the metal rod that will wait to detect this moment inserts two 3 middles of keeping silent, can keep silent 3 with two and go out the separation to pressing close to the seat of keeping silent 1, can wait to detect the metal rod from the top and insert two between keeping silent 3 this moment, the oil cylinder epicoele oil feed of keeping silent 1 oil production this moment, cylinder body 8 is down with the seat of keeping silent 1, under the effect of seat of keeping silent 1, guide screw 4 drives keep silent 3 and keep silent baffle 2 and follow the displacement of 5 levels of T type guide block toward the centre.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. A closed hydraulic chuck is characterized in that: including tester base and hydro-cylinder, the hydro-cylinder includes the cylinder body and divide into the piston of epicoele and cavity of resorption two parts with the cylinder body, epicoele and cavity of resorption one side of hydro-cylinder all are provided with high pressure fuel pipe, piston lower extreme fixed connection is on the base, piston upper end fixedly connected with T type guide block, the equal fixedly connected with in the T type guide block left and right sides is kept silent, both sides fixedly connected with pincers mouth seat and end cover respectively about the hydro-cylinder.
2. The enclosed hydraulic chuck according to claim 1, wherein: a jaw baffle plate for buffering is arranged between the jaw and the jaw seat.
3. The enclosed hydraulic chuck according to claim 1, wherein: and a guide screw for fixing the T-shaped guide block and the jaw is arranged between the T-shaped guide block and the jaw.
4. The enclosed hydraulic chuck according to claim 1, wherein: and an inner hexagon screw for fixing the T-shaped guide block and the upper end of the piston is arranged between the T-shaped guide block and the upper end of the piston.
5. The enclosed hydraulic chuck according to claim 1, wherein: the longitudinal section of the inner wall of the jaw seat is trapezoidal, the two opposite sides of the jaw are arranged in parallel, and the opposite sides of the jaw are arranged in parallel with the inner wall of the jaw seat.
6. The enclosed hydraulic chuck according to claim 1, wherein: and rubber pads are arranged on the opposite sides of the two jaws.
7. The enclosed hydraulic chuck according to claim 6, wherein: and anti-skid lines are arranged on the rubber pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247170.7U CN212932160U (en) | 2020-06-29 | 2020-06-29 | Closed hydraulic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247170.7U CN212932160U (en) | 2020-06-29 | 2020-06-29 | Closed hydraulic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212932160U true CN212932160U (en) | 2021-04-09 |
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ID=75327158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021247170.7U Active CN212932160U (en) | 2020-06-29 | 2020-06-29 | Closed hydraulic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212932160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324032A (en) * | 2021-12-20 | 2022-04-12 | 中机试验装备股份有限公司 | Be used for high temperature low cycle fatigue test anchor clamps |
-
2020
- 2020-06-29 CN CN202021247170.7U patent/CN212932160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324032A (en) * | 2021-12-20 | 2022-04-12 | 中机试验装备股份有限公司 | Be used for high temperature low cycle fatigue test anchor clamps |
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