CN203241247U - Fatigue testing machine - Google Patents
Fatigue testing machine Download PDFInfo
- Publication number
- CN203241247U CN203241247U CN 201320130055 CN201320130055U CN203241247U CN 203241247 U CN203241247 U CN 203241247U CN 201320130055 CN201320130055 CN 201320130055 CN 201320130055 U CN201320130055 U CN 201320130055U CN 203241247 U CN203241247 U CN 203241247U
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- CN
- China
- Prior art keywords
- pilot hole
- cylinder
- lifting
- articulated elements
- locker
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a fatigue testing machine for testing the fatigue strength of a lifting locker, comprising a frame and a pushing cylinder. One end of the frame is provided with a cylinder holder, the other end of the frame is provided with two opposite fixed members, and a placing zone is formed between the two fixed members for placing the lifting locker. The two fixed members are respectively provided with a link mechanism. The link mechanism is respectively provided with the fixed member and the lifting locker. The pushing cylinder is mounted on a cylinder holder. A cylinder rod of the pushing cylinder is connected with a connecting rod of the link mechanism through a connecting member to drive the lifting locker up and down by the link mechanism. The beneficial effects of the utility model are that: the fatigue testing machine can test the times of repeatedly lifting of a lifting mechanism by reciprocating motions driving the cylinder, and then determine the fatigue strength.
Description
[technical field]
The utility model relates to fatigue testing equipment, relates in particular to a kind of fatigue tester for test lifting locker fatigue strength
[background technology]
Follow expanding economy, people's living standard progressively improves, requirement to quality of life is also more and more higher, especially lives row, becomes one of target of modern youth struggle, therefore, Home Fashion ﹠ Design Shanghai also becomes the principal element of people's decorating house, for the restriction of room space and area, in now a lot of Home Fashion ﹠ Design Shanghais, in order to take full advantage of the space, can be with some Home Fashion ﹠ Design Shanghais such as locker that need on body of wall, to save the space, for further easy to use, often locker is designed to liftable structure, yet, the locker of this lifting structure, in actual use, because its structure and strength problem, normal operation is after a period of time, and lifting structure can break down, so that can not normally use, cause the main cause of this problem to be, in the design process of locker, the lifting structure of locker is not made fatigue strength test, its poor-performing, therefore, the test of lifting locker fatigue strength becomes one of key factor of restriction lifting locker application.
[summary of the invention]
The purpose of this utility model is effectively to overcome above-mentioned deficiency, provides a kind of simple in structure, can carry out to the lifting locker fatigue tester of fatigue strength test.
The technical solution of the utility model is achieved in that a kind of fatigue tester, is used for the fatigue strength of test lifting locker, and it comprises
One frame, one end of described frame is provided with an air cylinder support, the other end is provided with two relative fixtures, and be formed with between two fixtures be used to the rest area of placing described lifting locker, be respectively equipped with a linkage assembly on described two fixed blocks, described linkage assembly is connected with described fixture and lifting locker respectively;
One promotes cylinder, and described promotion cylinder is installed on the described air cylinder support, and the cylinder rod of described promotion cylinder is connected with a connecting link of described linkage assembly by web member, to drive the lifting of described lifting locker by described linkage assembly.
The below further sets forth technique scheme:
Further, described linkage assembly is three-link mechanism, has the head rod, the second connecting link and the 3rd connecting link that are rotationally connected successively, wherein,
Described the second connecting link is fixedly connected with described lifting locker, and the lower end of described head rod and described fixture are rotationally connected, and the lower end of described the 3rd connecting link is provided with keeper;
Described fixture is provided with first pilot hole corresponding with described keeper and the second pilot hole, and when described air cylinder driven linkage assembly action, described keeper is by sliding in the second pilot hole in the first pilot hole.
Further, described head rod lower end is fixedly connected with one in order to force described keeper by the STATEMENT OF FEDERALLY SPONSORED that slides in the first pilot hole in the second pilot hole.
Further, described web member comprises the first articulated elements, the second articulated elements and U-shaped spare, the two side of described U-shaped spare is fixedly connected with head rod on described two linkage assemblys respectively, described the first articulated elements is fixedly connected with the cylinder rod of described promotion cylinder, described the second articulated elements is fixedly connected with described U-shaped spare, and is hinged between described the first articulated elements and the second articulated elements.
Further, described U-shaped spare rear is arranged at the limited post for restriction U-shaped spare stroke.
Further, described fixture comprises the block that is positioned at the outside and the fixed mount that is fixed in the block inboard, and described the first pilot hole and the second pilot hole are arranged on the described fixed mount, and the lower end of described head rod and described fixed mount are rotationally connected.
The beneficial effects of the utility model are: the utility model is by promoting the air cylinder driven linkage assembly, drive the lifting of lifting locker by linkage assembly again, so, can utilize the to-and-fro movement that promotes cylinder to realize the elevating mechanism of the lifting locker number of times of lifting action repeatedly, and then definite its fatigue strength, so, can be by the test of fatigue strength, determine the quality of its usability, be conducive to design and the improvement of article cabinet structure, so that the performance of lifting locker is better, use more convenient and practical.
[description of drawings]
Fig. 1 is structural representation Fig. 1 of the present utility model;
Fig. 2 is structural representation Fig. 2 of the present utility model;
Among the figure: frame 1; Promote cylinder 2; Air cylinder support 3; Block 4; Fixed mount 5; Lifting locker 6; Head rod 7; The second connecting link 8; The 3rd connecting link 9; The first articulated elements 10; The second articulated elements 11; U-shaped spare 12; Limited post 13.
[embodiment]
The utility model will be further described below in conjunction with drawings and Examples.
Referring to figs. 1 through shown in Figure 2, the utility model has disclosed a kind of fatigue tester, the fatigue strength that is used for test lifting locker 6, it comprises that a frame 1 and promotes cylinder 2, one end of described frame 1 is provided with an air cylinder support 3, the other end is provided with two relative fixtures, and be formed with between two fixtures be used to the rest area of placing described lifting locker 6, lifting locker 6 can be positioned in the rest area, be respectively equipped with a linkage assembly on described two fixed blocks, described linkage assembly is connected with described fixture and lifting locker 6 respectively; Described promotion cylinder 2 is installed on the described air cylinder support 3, and the cylinder rod of described promotion cylinder 2 is connected with a connecting link of described linkage assembly by web member, to drive described lifting locker 6 liftings by described linkage assembly.
In the present embodiment, described linkage assembly is three-link mechanism, have the head rod 7, the second connecting link 8 and the 3rd connecting link 9 that are rotationally connected successively, wherein, described the second connecting link 8 is fixed in the sidewall of described lifting locker 6, the lower end of described head rod 7 and described fixture are rotationally connected, and the lower end of described the 3rd connecting link 9 is provided with the keeper (not shown); Described fixture is provided with first pilot hole corresponding with described keeper and the second pilot hole, when described air cylinder driven linkage assembly action, described keeper is by sliding in the first pilot hole in the second pilot hole, concrete, the first position of positioning hole is lower than the second position of positioning hole, when the cylinder rod that promotes cylinder 2 stretches out, rotate between head rod 7 and the second connecting link 8, rotate between the 3rd connecting link 9 and the second connecting link 8, distance between head rod 7 and the 3rd connecting link 9 is dwindled, the lower end of the 3rd connecting link 9 moves downward, and keeper slides into the first pilot hole by the second pilot hole, and the second web member drives lifting locker 6 and descends; When the cylinder rod that promotes cylinder 2 is retracted, rotate between head rod 7 and the second connecting link 8, rotate between the 3rd connecting link 9 and the second connecting link 8, distance between head rod 7 and the 3rd connecting link 9 increases, and the lower end of the 3rd connecting link 9 moves upward, and keeper is slid in the second pilot hole by the first pilot hole, the second web member drives lifting locker 6 and rises, so, under the reciprocal driving that promotes cylinder 2, realize the test to the lifting number of times of lifting locker 6.
Further, described head rod 7 lower ends are fixedly connected with one in order to force described keeper by the STATEMENT OF FEDERALLY SPONSORED (not shown) that slides in the first pilot hole in the second pilot hole, when the cylinder rod that promotes cylinder 2 is retracted, head rod 7 drives STATEMENT OF FEDERALLY SPONSORED and rotates synchronously, the front end of STATEMENT OF FEDERALLY SPONSORED is just conflicted when rotating, therefore, when STATEMENT OF FEDERALLY SPONSORED is rotated, the STATEMENT OF FEDERALLY SPONSORED front end forces keeper by skidding off in the first pilot hole, and be slipped into its top the second pilot hole, so, be convenient to the smooth movement of keeper between the first pilot hole and the second pilot hole.
Concrete, web member in the present embodiment comprises the first articulated elements 10, the second articulated elements 11 and U-shaped spare 12, the two side of described U-shaped spare 12 is fixedly connected with head rod 7 on described two linkage assemblys respectively, described the first articulated elements 10 is fixedly connected with the cylinder rod of described promotion cylinder 2, described the second articulated elements 11 is fixedly connected with described U-shaped spare 12, hinged between described the first articulated elements 10 and the second articulated elements 11, promote that cylinder 2 stretches out or when retracting, relatively rotate between the first articulated elements 10 and the second articulated elements 11, and promote U-shaped spares 12 by the second articulated elements 11 and move forwards or backwards, to drive 6 liftings of lifting locker.
Described fixture comprises the block 4 that is positioned at the outside and the fixed mount 5 that is fixed in block 4 inboards, described the first pilot hole and the second pilot hole are arranged on the described fixed mount 5, the lower end of described head rod 7 and described fixed mount 5 are rotationally connected, so, its structure is more simple compact, and is convenient to the connection between linkage assembly and the fixture.
Described U-shaped spare 12 rears are arranged at the limited post 13 for restriction U-shaped spare 12 strokes, and when promoting cylinder 2 and retract, just being resisted against on the described limited post 13 of U-shaped spare 12 is so that the keeper of this moment is just in corresponding the second pilot hole that slips on the fixed mount 5.
To sum up, the utility model drives 6 liftings of lifting locker by linkage assembly, so again by promoting cylinder 2 drive link mechanisms, can utilize the to-and-fro movement that promotes cylinder 2 to realize the elevating mechanism of lifting locker 6 number of times of lifting action repeatedly, and then determine its fatigue strength, and so, can be by the test of fatigue strength, determine the quality of its usability, be conducive to design and the improvement of article cabinet structure, so that the performance of lifting locker 6 is better, use more convenient and practical.
Described above only is preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (6)
1. fatigue tester is used for the fatigue strength of test lifting locker, and it is characterized in that: it comprises
One frame, one end of described frame is provided with an air cylinder support, the other end is provided with two relative fixtures, and be formed with between two fixtures be used to the rest area of placing described lifting locker, be respectively equipped with a linkage assembly on described two fixed blocks, described linkage assembly is connected with described fixture and lifting locker respectively;
One promotes cylinder, and described promotion cylinder is installed on the described air cylinder support, and the cylinder rod of described promotion cylinder is connected with a connecting link of described linkage assembly by web member, to drive the lifting of described lifting locker by described linkage assembly.
2. fatigue tester according to claim 1, it is characterized in that: described linkage assembly is three-link mechanism, has the head rod, the second connecting link and the 3rd connecting link that are rotationally connected successively, wherein,
Described the second connecting link is fixedly connected with described lifting locker, and the lower end of described head rod and described fixture are rotationally connected, and the lower end of described the 3rd connecting link is provided with keeper;
Described fixture is provided with first pilot hole corresponding with described keeper and the second pilot hole, and when described air cylinder driven linkage assembly action, described keeper is by sliding in the second pilot hole in the first pilot hole.
3. fatigue tester according to claim 2, it is characterized in that: described head rod lower end is fixedly connected with one in order to force described keeper by the STATEMENT OF FEDERALLY SPONSORED that slides in the first pilot hole in the second pilot hole.
4. fatigue tester according to claim 2, it is characterized in that: described web member comprises the first articulated elements, the second articulated elements and U-shaped spare, the two side of described U-shaped spare is fixedly connected with head rod on described two linkage assemblys respectively, described the first articulated elements is fixedly connected with the cylinder rod of described promotion cylinder, described the second articulated elements is fixedly connected with described U-shaped spare, and is hinged between described the first articulated elements and the second articulated elements.
5. fatigue tester according to claim 4 is characterized in that: described U-shaped spare rear is arranged at the limited post for restriction U-shaped spare stroke.
6. fatigue tester according to claim 2, it is characterized in that: described fixture comprises the block that is positioned at the outside and the fixed mount that is fixed in the block inboard, described the first pilot hole and the second pilot hole are arranged on the described fixed mount, and the lower end of described head rod and described fixed mount are rotationally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130055 CN203241247U (en) | 2013-03-20 | 2013-03-20 | Fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130055 CN203241247U (en) | 2013-03-20 | 2013-03-20 | Fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241247U true CN203241247U (en) | 2013-10-16 |
Family
ID=49318532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320130055 Expired - Fee Related CN203241247U (en) | 2013-03-20 | 2013-03-20 | Fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203241247U (en) |
-
2013
- 2013-03-20 CN CN 201320130055 patent/CN203241247U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20160320 |