CN214584593U - Creep test device - Google Patents
Creep test device Download PDFInfo
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- CN214584593U CN214584593U CN202120654957.3U CN202120654957U CN214584593U CN 214584593 U CN214584593 U CN 214584593U CN 202120654957 U CN202120654957 U CN 202120654957U CN 214584593 U CN214584593 U CN 214584593U
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Abstract
The utility model provides a creep test device in the technical field of test, including the proof box, fixedly connected with connecting seat in the proof box, be connected with the weight seat that can reciprocate in the direction of height on the connecting seat, be fixed with the weight that is used for the loading on the weight seat, the connecting seat upside still is fixed with the holder of centre gripping test piece, weight seat downside is connected with two at least measuring sticks, the lower extreme of measuring stick stretches out the proof box downwards, the measuring stick can slide from top to bottom along the connecting seat, detachably is connected with the distance sensing board on the measuring stick that stretches out outside the proof box, the proof box downside is fixed with the connecting plate, be fixed with distance sensor on the connecting plate below the distance sensing board; the utility model discloses simple structure, simple to operate.
Description
Technical Field
The utility model belongs to the technical field of the test, in particular to creep test device.
Background
Creep refers to the process of increasing deformation over time under constant load and temperature, and is often tested using a creep tester at a given load and temperature. The test device mainly adopts the forms of electronic control and electric drive precision lead screw loading, has good test effect and is expensive. Among the prior art, the name is "elastic element creep testing machine", the notice number is CN 2632662Y, the utility model patent that the notice day is 2004.08.11, this testing machine includes the frame, proof box and creep test loading mechanism, experimental sample has been put in the proof box, be equipped with the hinge of installation loading lever in the frame, the hinge links to each other with the loading lever loop, the loading lever can use the hinge to swing from top to bottom as the hinge point, the other end of loading lever has hung arbitrary loaded weight through wire rope, displacement sensor is according to the concrete fixed mounting position of sample, in this design, the structure is complicated, different sample displacement sensor's mounted position is different, the installation is troublesome.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model discloses an overcome the weak point among the above-mentioned prior art, provide a creep test device, solved the troublesome technical problem of deformation measurement structure installation among the prior art, the utility model discloses simple structure, simple to operate.
The utility model aims at realizing that a creep test device, including the proof box, fixedly connected with connecting seat in the proof box, be connected with the weight seat that can reciprocate on the direction of height on the connecting seat, be fixed with the weight that is used for the loading on the weight seat, the connecting seat upside still is fixed with the holder of centre gripping test piece, weight seat downside is connected with two piece at least measuring sticks, the lower extreme of measuring stick stretches out the proof box downwards, and the measuring stick can slide from top to bottom along the connecting seat, and detachably is connected with the distance sensing board on stretching out the measuring stick outside the proof box, the proof box downside is fixed with the connecting plate, be fixed with distance sensor on the connecting plate of distance sensing board below.
In the utility model, the measuring rod moves along with the movement of the weight seat, the weight seat moves along with the movement of the weight, during the test, the weight is loaded on the test piece, the distance of the movement of the weight reflects the deformation of the test piece, and the distance sensor detects the displacement of the distance sensing plate, so that the deformation of the test piece is obtained, and the creep test is realized; the utility model has simple structure and convenient deformation measurement; the method can be applied to creep test work.
In order to facilitate the clamping of the test piece, the clamping piece is detachably connected to the upper side of the connecting seat, a plurality of clamping parts are distributed in the height direction of the clamping piece, clamping holes for the test piece to pass through are formed in the clamping parts, the test piece extends upwards out of the upper side of the clamping piece, and the loading end of the weight extends downwards out of the weight seat and abuts against the test piece; in the design, the lower end of the clamping piece is provided with a threaded hole, the lower end of the connecting seat is provided with a countersunk hole, a fastening bolt is screwed into the threaded hole, and when the fastening bolt abuts against the limiting step of the connecting seat, the connection between the clamping piece and the connecting seat is completed.
In order to further facilitate the replacement of the test piece, the measuring rod above the connecting seat is connected with a fastening nut in a threaded manner, the fastening nut can be compressed on the upper side of the connecting seat, at least two guide sleeves are arranged on the lower side of the weight seat, a plurality of guide rods in one-to-one correspondence with the guide sleeves are arranged on the upper side of the connecting seat, and the guide sleeves can slide up and down along the guide rods.
In order to further improve the measurement accuracy, the distance sensor is a laser displacement sensor.
Drawings
Fig. 1 is a first perspective view of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a second perspective view of the present invention.
Fig. 4 is a partially enlarged view at B in fig. 3.
Fig. 5 is a third perspective view of the present invention.
Fig. 6 is a partially enlarged view at C in fig. 5.
Wherein, 1 measuring stick, 2 guide bars, 3 uide bushing, 4 weights, 5 proof boxes, 6 weight seats, 7 connecting seats, 8 holders, 801 centre gripping hole, 802 clamping part, 9 fastening nut, 10 test pieces, 11 connecting plates, 12 distance sensor, 13 distance induction plates, connecting nut on 14, connecting nut under 15, 16 counter bores, 17 fastening bolt.
Detailed Description
The creep test device shown in fig. 1 to 6 comprises a test box 5, a connecting seat 7 is fixedly connected in the test box 5, a weight seat 6 capable of moving up and down in the height direction is connected on the connecting seat 7, a weight 4 for loading is fixed on the weight seat 6, a clamping piece 8 for clamping a test piece 10 is further fixed on the upper side of the connecting seat 7, at least two measuring rods 1 are connected on the lower side of the weight seat 6, the lower ends of the measuring rods 1 extend out of the test box 5 downwards, the measuring rods 1 can slide up and down along the connecting seat 7, a distance sensing plate 13 is detachably connected on the measuring rods 1 extending out of the test box 5, specifically, an upper connecting nut 14 is connected on one end of the measuring rod 1 extending out of the test box 5 downwards through a threaded connection, the distance sensing plate 13 is sleeved on the measuring rod 1, a lower connecting nut 15 is connected on the measuring rod 1 below the distance sensing plate 13 through a threaded connection, and a lower connecting nut 15 is screwed in, the lower connecting nut 15 presses the distance sensing plate 13 onto the upper connecting nut 14, so that the distance sensing plate 13 is fixed; a connecting plate 11 is fixed on the lower side of the test box 5, a distance sensor 12 is fixed on the connecting plate 11 below the distance induction plate 13, and the distance sensor 12 is a laser displacement sensor; the clamping piece 8 is detachably connected to the upper side of the connecting seat 7, a threaded hole is formed in the lower end of the clamping piece 8, a countersunk hole 16 is formed in the lower end of the connecting seat 7, a fastening bolt 17 is screwed into the threaded hole, and when the fastening bolt 17 abuts against the limiting step of the connecting seat 7, the clamping piece 8 is connected with the connecting seat 7; a plurality of clamping parts 802 are distributed in the height direction of the clamping piece 8, clamping holes 801 through which the test piece 10 just passes are formed in the clamping parts 802, the test piece 10 upwards extends out of the upper portion of the clamping piece 8, and the loading end of the weight 4 downwards extends out of the weight seat 6 and abuts against the test piece 10.
In order to further facilitate the replacement of the test piece 10, a fastening nut 9 is connected to the measuring rod 1 above the connecting seat 7 through threads, the fastening nut 9 can be tightly pressed on the upper side of the connecting seat 7, at least two guide sleeves 3 are arranged on the lower side of the weight seat 6, a plurality of guide rods 2 which correspond to the guide sleeves 3 one by one are arranged on the upper side of the connecting seat 7, and the guide sleeves 3 can slide up and down along the guide rods 2.
In the utility model, the fastening nut 9 is loosened to make it leave the connecting seat 7, the loading end of the weight 4 is loaded on the test piece 10, when the test piece 10 is deformed, the loading end moves downwards, the weight seat 6 and the weight 4 move to move synchronously downwards along with the loading end, the measuring rod 1 moves along with the movement of the weight seat 6, and the laser displacement sensor measures the displacement change of the distance sensing plate 13, so that the deformation of the test piece 10 under constant load is measured, and the creep test is realized; after the test is finished, the weight seat 6 is pushed to ascend, and when the weight seat 6 ascends to a required position, the fastening nut 9 is screwed, so that the fastening nut 9 is tightly pressed on the upper side of the connecting seat 7, and the position fixation of the weight seat 6 is realized; the utility model has simple structure, convenient deformation measurement, high measurement precision, convenient disassembly and assembly, and convenient later-stage maintenance; the method can be applied to creep test work.
While particular embodiments of the present invention have been described, it is to be understood that the present invention is not limited to the precise embodiments described above, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (4)
1. A creep test device, includes proof box, its characterized in that: the test box comprises a test box body and is characterized in that a connecting seat is fixedly connected in the test box body, a weight seat capable of moving up and down in the height direction is connected to the connecting seat, weights for loading are fixed on the weight seat, a clamping piece for clamping a test piece is further fixed to the upper side of the connecting seat, at least two measuring rods are connected to the lower side of the weight seat, the lower end of each measuring rod extends out of the test box downwards, the measuring rods can slide up and down along the connecting seat, a distance sensing plate is detachably connected to the measuring rods extending out of the test box, a connecting plate is fixed to the lower side of the test box, and a distance sensor is fixed to the connecting plate below the distance sensing plate.
2. A creep test apparatus as claimed in claim 1, wherein: the holder detachably connects at the connecting seat upside, and a plurality of clamping parts of having arranged on the direction of height of holder, it has the centre gripping hole that just lets the test piece pass to open on the clamping part, and the test piece upwards stretches out the holder top, the loading end of weight is stretched out the weight seat downwards and is contradicted on the test piece outward.
3. A creep test apparatus as claimed in claim 1 or 2, wherein: the measuring rod above the connecting seat is connected with a fastening nut in a threaded manner, the fastening nut can be pressed on the upper side of the connecting seat, at least two guide sleeves are arranged on the lower side of the weight seat, a plurality of guide rods in one-to-one correspondence with the guide sleeves are arranged on the upper side of the connecting seat, and the guide sleeves can slide up and down along the guide rods.
4. A creep test apparatus as claimed in claim 3, wherein: the distance sensor is a laser displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654957.3U CN214584593U (en) | 2021-03-31 | 2021-03-31 | Creep test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654957.3U CN214584593U (en) | 2021-03-31 | 2021-03-31 | Creep test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214584593U true CN214584593U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120654957.3U Active CN214584593U (en) | 2021-03-31 | 2021-03-31 | Creep test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214584593U (en) |
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2021
- 2021-03-31 CN CN202120654957.3U patent/CN214584593U/en active Active
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