CN213933437U - Fatigue test device with protection function - Google Patents
Fatigue test device with protection function Download PDFInfo
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- CN213933437U CN213933437U CN202022801692.3U CN202022801692U CN213933437U CN 213933437 U CN213933437 U CN 213933437U CN 202022801692 U CN202022801692 U CN 202022801692U CN 213933437 U CN213933437 U CN 213933437U
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Abstract
The utility model discloses a fatigue test device with protect function, including the hydraulic press, be equipped with the test piece that awaits measuring under the cylinder end of hydraulic press, the top of test piece is equipped with the cushion, be equipped with force transducer between the cylinder end of cushion and hydraulic press, the bilateral symmetry of test piece is equipped with the vertical protection shield with test piece looks adaptation, the clearance has between vertical protection shield and the test piece, the ring all around of test piece and vertical protection shield is equipped with vertical protection post, vertical protection shield links to each other with vertical protection post. The utility model provides a fatigue test device is equipped with vertical protection shield and vertical guard post, can form the protection region around the test piece, and after the test piece was destroyed, the auxiliary measuring subassembly on the test piece was installed in protection that can be fine.
Description
Technical Field
The utility model relates to a fatigue test device with protect function belongs to fatigue test technical field.
Background
The fatigue test is widely applied in a plurality of scientific research processes, mainly measures the fatigue performance of various materials and knows the application value of the materials.
At present, a test piece is generally subjected to a fatigue test through a special fatigue test device, and during the fatigue test, the test piece is generally placed under a cylinder head of a hydraulic machine, and the hydraulic machine applies pressure to the test piece to damage the test piece. Because during the fatigue test operation, can be equipped with many more sensitive sensors, displacement meter auxiliary measurement subassemblies on the test piece, like this, when the test piece was destroyed, auxiliary measurement subassembly can be because the test piece destroys the fracture suddenly and is pounded and fall or even damage, not only influences the fatigue test process, still can cause economic loss.
SUMMERY OF THE UTILITY MODEL
The above-mentioned problem to prior art exists, the utility model aims at providing a fatigue test device with protect function, when the test piece is destroyed, can protect the auxiliary measurement subassembly of installing on the test piece.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fatigue test device with protect function, includes the hydraulic press, be equipped with the test piece of examination under the cylinder head of hydraulic press, the top of test piece is equipped with the cushion, be equipped with force transducer between the cylinder head of cushion and hydraulic press, the bilateral symmetry of test piece is equipped with the vertical protection shield with test piece looks adaptation, the clearance has between vertical protection shield and the test piece, the ring is equipped with vertical protection post around test piece and vertical protection shield, vertical protection shield links to each other with vertical protection post.
The utility model provides an embodiment, vertical protection post is hollow cylinder, test piece and vertical protection shield are located the well hollow portion of vertical protection post, just the height of vertical protection post ≧ the height of gasket.
According to a preferable scheme, the vertical protection columns are formed by detachably connecting N sub-protection columns end to end, and N is not less than 2.
According to a preferable scheme, the vertical protection columns are formed by embedding and connecting N sub-protection columns end to end, and N is not less than 2.
According to the preferable scheme, the vertical protection columns are hollow cylinders and are formed by detachably connecting N sub-protection columns with cross sections being 1/N circular rings end to end, and N is larger than or equal to 2.
According to a preferable scheme, the vertical protection columns are formed by embedding and connecting N sub-protection columns with the cross sections of 1/N circular rings end to end, and N is not less than 2.
In one embodiment, the vertical protection column is provided with an observation window.
In one embodiment, the bottom of the vertical protection column is provided with anti-skid rubber matched with the vertical protection column.
According to the optimal scheme, the distance between the vertical protection plates on the two sides of the test piece is smaller than the length of the cushion block.
According to the preferable scheme, the distance between the vertical protection plates on the two sides of the test piece is adjustable.
In one embodiment, the vertical protection plate is detachably connected with the vertical protection column.
Compared with the prior art, the utility model has the advantages of:
the utility model provides a fatigue test device is equipped with vertical protection shield and vertical guard post, can form the protection zone territory around the test piece, has protect function, and after the test piece was destroyed, protection that can be fine was installed the auxiliary measurement subassembly on the test piece, whole device simple structure, convenient to use, low cost are fit for industrial production, have obvious practical value.
Drawings
FIG. 1 is a schematic view of a fatigue testing device with a protection function according to an embodiment of the present invention, with front and rear protection pillars removed;
FIG. 2 is a top view of a test piece, a vertical protection plate and a vertical protection column part in the embodiment of the invention;
fig. 3 is a schematic view of a vertical protection column in an embodiment of the invention;
FIG. 4 is a schematic view of a test piece viewing window portion in an embodiment of the present invention;
the numbers in the figures are as follows: 1. a cylinder head of a hydraulic press; 2. a test piece; 3. cushion blocks; 4. a force sensor; 5. a vertical protective plate; 6. a vertical guard post; 61. a left guard post; 62. a front guard post; 63. a right guard post; 64. a rear guard post; 65. an observation window; 7. anti-skid rubber; 8. a threaded rod; 9. a fastener.
Detailed Description
The technical solution of the present invention will be further clearly and completely described below with reference to the accompanying drawings and examples.
Examples
Please refer to fig. 1 to fig. 4: the fatigue test device with protect function that this embodiment provided, including the hydraulic press, be equipped with the test piece 2 that awaits measuring under the cylinder head 1 of hydraulic press, the top of test piece 2 is equipped with cushion 3, be equipped with force sensor 4 between cushion 3 and the cylinder head 1 of hydraulic press, the bilateral symmetry of test piece 2 is equipped with the vertical protection shield 5 with test piece 2 looks adaptation, the clearance has between vertical protection shield 5 and the test piece 2, the ring is equipped with vertical guard column 6 around test piece 2 and vertical protection shield 5, vertical protection shield 5 links to each other with vertical guard column 6.
The use method of the fatigue test device with the protection function is as follows:
fixing a test piece 2 under a cylinder head 1 of a hydraulic machine, placing a cushion block 3 on the top of the test piece 2, installing a force sensor 4 between the cylinder head 1 and the cushion block 3 of the hydraulic machine, installing vertical protection plates 5 on two sides of the test piece 2 and ensuring a certain distance between the vertical protection plates 5 and the test piece 2, then installing auxiliary measurement components (belonging to the conventional technology and omitted in the drawings of the embodiment) such as a displacement meter and a sensor on the test piece 2, then arranging vertical protection columns 6 around the test piece 2 and the vertical protection plates 5, protecting the test piece 2 and the vertical protection plates 5 in the vertical protection columns 6, connecting the vertical protection plates 5 with the vertical protection columns 6, further supporting and fixing the vertical protection plates 5 through the vertical protection columns 6, after the whole installation is finished, emptying a person in a field, and after confirming the safety, carrying out a fatigue test according to the conventional operation, specifically, the method comprises the following steps: downward pressure is applied to the cushion block 3 through the cylinder head 1 of the hydraulic machine (the pressure applied by the hydraulic machine is transmitted to the cushion block 3 through the force sensor 4 positioned between the cushion block 3 and the cylinder head 1 of the hydraulic machine, the pressure applied by the cylinder head 1 of the hydraulic machine is monitored at the same time), further pressure is applied to the test piece 2, meanwhile, data of auxiliary measuring components such as a displacement meter and a sensor which are installed on the test piece 2 are recorded, and when the test piece 2 is damaged, the cylinder head 1 of the hydraulic machine stops applying the pressure;
due to the existence of the vertical protection plates 5 and the vertical protection columns 6, a protection area can be formed around the test piece 2, and the test piece 2 can finally lean against the vertical protection plates 5 on the two sides of the test piece 2 after being damaged, so that the phenomena of smashing, falling and large-amplitude inclination can be avoided, the phenomenon that the auxiliary measurement assembly is damaged due to the large-amplitude inclination and smashing falling of the test piece can be effectively avoided, the auxiliary measurement assembly arranged on the test piece can be well protected, and the economic loss is effectively reduced; and, test piece 2 is destroyed the back, even have the small part to scatter and also can be blocked by vertical guard post 6, in addition, test piece 2 is destroyed, and even cushion 3 can fall because of losing test piece 2's support, the cushion that falls also can be blocked by vertical guard post 6, can not cause the potential safety hazard to testing personnel.
The utility model discloses in, vertical guard post 6 can be dismantled by N sub guard post head and the tail and connect and form, and N ≧ 2, it is specific, inlay the connection by N sub guard post head and the tail and form. Easy dismounting, swift, the holistic installation time of very big economizer has improved test efficiency.
The overall shape of the vertical protection column 6 is not limited, and includes, but is not limited to, a hollow square column, a cylinder, and the like. In this embodiment, referring to fig. 2, the vertical protection column 6 is a hollow cylinder, and correspondingly, the vertical protection column 6 is formed by detachably connecting N sub-protection columns with a cross section of 1/N circular ring shape end to end (specifically, by means of an inlay connection), where N is ≧ 2. The number of N can be flexibly adjusted as required, and as shown in fig. 3, in this embodiment, N is 4, that is, the vertical protection column 6 is formed by connecting 4 sub-protection columns with 1/4 circular cross sections in an end-to-end embedded manner. For convenience of description, in the present embodiment, the four sub-protection pillars are respectively named as a left protection pillar 61, a front protection pillar 62, a right protection pillar 63, and a rear protection pillar 64, and the head and tail ends of the four protection pillars are respectively provided with a convex portion and a concave portion (not labeled) for damascene connection, so that the left protection pillar 61, the front protection pillar 62, the right protection pillar 63, and the rear protection pillar 64 are sequentially connected in an end-to-end damascene manner.
Because vertical guard post 6 is lived test piece 2 protection, the utility model discloses in, be equipped with observation window 65 on the vertical guard post 6 to observe test piece 2's experimental condition through observation window 65. If not set up observation window 65, also can choose the material of vertical guard post 6 for use to be transparent material to the condition of audio-visual observation test piece 2. In this embodiment, the observation window 65 is provided on the front guard post 62.
The bottom of the vertical protection column 6 is provided with an anti-skid rubber 7 matched with the vertical protection column. In this embodiment, when the vertical protection column 6 is a hollow cylinder, the overall shape of the anti-slip rubber 7 is a circular ring. The anti-skid rubber 7 plays an anti-skid role, can prevent the vertical protection column 6 from sliding with the ground, and enhances the overall stability of the device. Before the fatigue test, the antiskid rubber 7 can be placed around the test piece 1, and then the vertical protection column 6 is arranged on the top of the antiskid rubber 7.
In this embodiment, the distance between the vertical protection shield 5 of test piece 2's both sides is less than the length of cushion 3, like this when test piece 2 is destroyed the back that collapses, when cushion 3 falls because of losing the support of test piece 2, because the distance between the vertical protection shield 5 is less than the length of cushion 3, can fall on vertical protection shield 5 after cushion 3 falls, catch by vertical protection shield 5, thereby can effectively prevent to cause the secondary destruction to the supplementary measuring component of installation on test piece 2 because cushion 3 falls, still effectively avoid simultaneously because cushion 3 falls the personnel's potential safety hazard that can cause, in addition, because cushion 3 is caught by vertical protection shield 5, install force sensor 4 at cushion 3 top then also corresponding can not fall scattered, also have the guard action to force sensor 4.
In addition, the distance between the vertical protection shield 5 of the both sides of test piece 2 is adjustable, can be according to the nimble distance of adjustment between the vertical protection shield 5 of test piece 2, and flexibility and suitability are good. Vertical protection shield 5 can be dismantled with vertical guard post 6 and be connected, has strengthened the whole dismouting convenience of device. Specifically, in this embodiment, a threaded rod 8 is horizontally inserted through a side wall of the vertical protection column 6 at a position corresponding to the vertical protection plate 5, one end of the threaded rod 8 is fastened and connected with the vertical protection column 6 through a fastener 9 (including but not limited to a nut and a screw), and the other end of the threaded rod is detachably connected with the vertical protection plate 5 (specifically, in threaded connection with the vertical protection plate 5). When the distance between the vertical protection board 5 needs to be adjusted, the fastener 9 is unscrewed, the threaded rod 8 is horizontally moved, the vertical protection board 5 can be horizontally moved, and when the distance between the vertical protection board 5 meets the requirements, the fastener 9 is screwed down again.
It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. The utility model provides a fatigue test device with protect function which characterized in that: the device comprises a hydraulic machine, a test piece to be tested is arranged under a cylinder head of the hydraulic machine, a cushion block is arranged at the top of the test piece, a force sensor is arranged between the cushion block and the cylinder head of the hydraulic machine, vertical protection plates matched with the test piece are symmetrically arranged on two sides of the test piece, a gap is reserved between each vertical protection plate and the test piece, vertical protection columns are arranged around the test piece and the vertical protection plates in an encircling mode, and the vertical protection plates are connected with the vertical protection columns.
2. The fatigue test apparatus with a protection function according to claim 1, characterized in that: the vertical protection column is a hollow cylinder, the test piece and the vertical protection plate are located in the hollow portion of the vertical protection column, and the height of the vertical protection column is larger than or equal to that of the gasket.
3. The fatigue test apparatus with a protection function according to claim 2, characterized in that: the vertical protection column is formed by detachably connecting N sub-protection columns end to end, and N is not less than 2.
4. The fatigue test apparatus with a protection function according to claim 3, characterized in that: the vertical protection column is formed by embedding and connecting N sub-protection columns end to end, and N is not less than 2.
5. The fatigue test apparatus with a protection function according to any one of claims 1 to 4, characterized in that: and an observation window is arranged on the vertical protection column.
6. The fatigue test apparatus with a protection function according to any one of claims 1 to 4, characterized in that: and the bottom of the vertical protection column is provided with anti-skid rubber matched with the vertical protection column.
7. The fatigue test apparatus with a protection function according to claim 1, characterized in that: the distance between the vertical protection shield of test piece both sides is less than the length of cushion.
8. The fatigue test apparatus with a protection function according to claim 1, characterized in that: the distance between the vertical protection boards on the two sides of the test piece is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022801692.3U CN213933437U (en) | 2020-11-27 | 2020-11-27 | Fatigue test device with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022801692.3U CN213933437U (en) | 2020-11-27 | 2020-11-27 | Fatigue test device with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213933437U true CN213933437U (en) | 2021-08-10 |
Family
ID=77145089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022801692.3U Active CN213933437U (en) | 2020-11-27 | 2020-11-27 | Fatigue test device with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213933437U (en) |
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2020
- 2020-11-27 CN CN202022801692.3U patent/CN213933437U/en active Active
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