CN220490547U - Heat insulation fixture for rubber crack propagation equipment - Google Patents
Heat insulation fixture for rubber crack propagation equipment Download PDFInfo
- Publication number
- CN220490547U CN220490547U CN202321725916.4U CN202321725916U CN220490547U CN 220490547 U CN220490547 U CN 220490547U CN 202321725916 U CN202321725916 U CN 202321725916U CN 220490547 U CN220490547 U CN 220490547U
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- Prior art keywords
- connecting rod
- block
- piece
- bolts
- locating piece
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- 238000009413 insulation Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 6
- 239000012774 insulation material Substances 0.000 abstract description 5
- 230000002427 irreversible effect Effects 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a heat insulation fixture for rubber crack extension equipment, which comprises a mounting base, an upper compression block and a lower compression block, wherein a lower positioning block is arranged at the top of the mounting base; the alignment (including front and back, left and right, up and down positions) of the upper clamp and the lower clamp can be adjusted by the calibration block tool, so that the problems of complex installation process and low calibration efficiency are solved, and finally the test accuracy and the parallelism of data on two sides are effectively improved; the addition of the heat insulation material can effectively reduce irreversible damage to the sensor caused by high temperature of the clamp under the simulated high-temperature working condition, and prolong the service life of the equipment.
Description
Technical Field
The utility model relates to the field of fixtures, in particular to a heat insulation fixture for rubber crack extension equipment.
Background
The purpose of the fatigue crack growth test is to measure the growth rate of the precut crack during cyclic loading. The strain state of the crack tip is kept unchanged along with the expansion of the crack, and the calculation of the crack tip energy is simple, so that a pure shear plane tensile sample is selected. The incision is placed in the specimen away from the edge to avoid edge effects. The test piece was stretched in the load-unload mode, with the minimum strain being zero and the maximum strain increasing slowly over 20 hours. Throughout the experiment, the length of the fracture was measured. At some point, the crack begins to propagate. Since the maximum strain is slowly increasing, the crack growth rate increases. The slope of the crack length versus period is the crack growth rate. In addition to measuring the fracture length, the corresponding time, strain and stress were measured and the associated energy calculations were performed. Since the crack measurement in the test standard is left and right side measurement, comparison reference is performed after calculation, and the clamps vibrate vertically up and down, the alignment of the upper and lower clamps is very important.
The existing clamp is relatively complex in calibration, complex in operation and long in time consumption; when the high-temperature experiment is carried out, the heat conduction effect of the clamp can cause irreversible damage to the sensor when the temperature of the heating box is kept at 100 ℃ or above, the service life of equipment is reduced, and the use cost is increased intangibly.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and provides a heat insulation fixture of rubber crack extension equipment so as to solve the problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rubber crack extension equipment heat insulation fixture, includes the installation base, goes up the clamp block and compresses tightly the piece down, the lower locating piece is installed at the top of installation base, the top of locating piece is equipped with down the clamp block, the one end of compressing tightly the piece down is equipped with first side benchmark calibration piece, the other end of compressing tightly the piece down is equipped with second side benchmark calibration piece, the top of compressing tightly the piece down is equipped with the clamp block, go up the top of compressing tightly the piece and install the locating piece, go up the top of locating piece and install down the connecting rod, the connecting rod is installed at the top of connecting rod down, go up and install the heat insulating block between connecting rod and the connecting rod down, go up the clamp block and install positive benchmark calibration piece with the intermediate position of compressing tightly down.
As a preferable technical scheme of the utility model, the lower positioning block is mounted on the top of the mounting base through bolts, and the lower pressing block is mounted on the lower positioning block through six bolts with inner gaskets.
As a preferable technical solution of the present utility model, the first side reference calibration block and the second side reference calibration block are mounted on the top of the mounting base by bolts.
As a preferable technical scheme of the utility model, the heat insulation block is arranged at the joint of the upper connecting rod and the lower connecting rod, and the joint of the upper connecting rod and the lower connecting rod is fixedly connected through a bolt.
As a preferable technical scheme of the utility model, the lower connecting rod is arranged on the top of the upper positioning block through bolts, and the upper pressing block is arranged on the bottom of the upper positioning block through six bolts with inner gaskets.
As a preferable technical scheme of the utility model, the top of the upper connecting rod is provided with an internal threaded hole, and a force value sensor in the device is arranged in the internal threaded hole.
The beneficial effects of the utility model are as follows: the correction block and the heat insulation material which can effectively calibrate and adjust the position of the clamp are added on the basis of the prior clamp; the alignment (including front and back, left and right, up and down positions) of the upper clamp and the lower clamp can be adjusted by the calibration block tool, so that the problems of complex installation process and low calibration efficiency are solved, and finally the test accuracy and the parallelism of data on two sides are effectively improved; the addition of the heat insulation material can effectively reduce irreversible damage to the sensor caused by high temperature of the clamp under the simulated high-temperature working condition, and prolong the service life of the equipment;
the addition of the calibration block improves the calibration efficiency, saves time and further improves the working efficiency; the intervention of the heat insulation block not only reduces the equipment failure rate, but also reduces the equipment use cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a plan view of the present utility model.
In the figure: the device comprises a mounting base 1, an upper connecting rod 2, a heat insulation block 3, a lower connecting rod 4, a first side surface reference calibration block 5, a second side surface reference calibration block 6, an upper positioning block 7, an upper compression block 8, a front surface reference calibration block 9, a lower compression block 10 and a lower positioning block 11.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Examples: referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a rubber crack extension equipment heat insulation fixture, including installation base 1, go up compact heap 8 and lower compact heap 10, lower locating piece 11 is installed at installation base 1's top, lower locating piece 11's top is equipped with down compact heap 10, lower compact heap 10's one end is equipped with first side benchmark calibration piece 5, lower compact heap 10's the other end is equipped with second side benchmark calibration piece 6, lower compact heap 10's top is equipped with compact heap 8, go up compact heap 8's top and install locating piece 7, go up the top of locating piece 7 and install down connecting rod 4, go up connecting rod 2 at lower connecting rod 4's top, go up and install thermal-insulated piece 3 between connecting rod 2 and the lower connecting rod 4, upward the front benchmark calibration piece 9 is installed to compact heap 8 and lower compact heap 10's intermediate position.
The lower positioning block 11 is mounted on the top of the mounting base 1 through bolts, and the lower pressing block 10 is mounted on the lower positioning block 11 through six bolts with inner gaskets.
The first side reference calibration block 5 and the second side reference calibration block 6 are each mounted on top of the mounting base 1 by bolts.
The heat insulation block 3 is arranged at the joint of the upper connecting rod 2 and the lower connecting rod 4, and the joint of the upper connecting rod 2 and the lower connecting rod 4 is fixedly connected through bolts.
The lower connecting rod 4 is mounted on the top of the upper positioning block 7 through bolts, and the upper pressing block 8 is mounted on the bottom of the upper positioning block 7 through six bolts with inner gaskets.
The top of the upper connecting rod 2 is provided with an internal threaded hole, and a force value sensor in the device is installed in the internal threaded hole.
Working principle: a heat insulation clamp of rubber crack propagation equipment, an upper connecting rod 2 (the top end of which is provided with internal threads) is connected with the lower end of a force value sensor in the equipment; the heat insulation block 3 is arranged at the middle sections of the upper connecting rod and the lower connecting rod and is connected through two fixing bolts; the upper positioning block 7 is arranged at the lower end of the upper connecting rod platform and is connected or welded through 2 fixing bolts; the upper compressing block 8 is arranged at the outer side of the upper positioning block 7 and is connected by 6 bolts with gaskets, and the upper connecting rod 2 drives the upper positioning block and the upper compressing block to reciprocate along the axial direction of the upper compressing shaft in the working state; the lower positioning block 11 is arranged in the upper central area of the mounting base 1; the lower compression block 10 is connected by 6 bolts with inner gaskets, and the bolts can be not screwed in a non-calibration period or a working period; the calibration block is used for calibrating the upper and lower clamps (vertical and horizontal alignment states of the upper and lower positioning blocks), and the front reference calibration block 9 is arranged at the center of the upper and lower compression blocks and is fixed by an upper bolt and a lower bolt respectively; the side reference calibration blocks are respectively placed on two sides of the upper fixing block and the lower fixing block, the fixing blocks are tightly attached, the upper clamp and the lower clamp are adjusted to enable the edge of the upper fixing block to be aligned with the calibration blocks, and finally the upper clamp and the lower clamp are fixedly connected with equipment (the installation base is connected with the equipment base).
The correction block and the heat insulation material which can effectively calibrate and adjust the position of the clamp are added on the basis of the prior clamp; the alignment (including front and back, left and right, up and down positions) of the upper clamp and the lower clamp can be adjusted by the calibration block tool, so that the problems of complex installation process and low calibration efficiency are solved, and finally the test accuracy and the parallelism of data on two sides are effectively improved; the addition of the heat insulation material can effectively reduce irreversible damage to the sensor caused by high temperature of the clamp under the simulated high-temperature working condition, and prolong the service life of the equipment.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (6)
1. The utility model provides a rubber crack extension equipment heat-insulating fixture, includes installation base (1), goes up compact heap (8) and lower compact heap (10), its characterized in that: the utility model discloses a thermal insulation device for the automobile, including installation base (1), locating piece (7) are installed at the top of installation base (1), locating piece (11) are installed down in the top of locating piece (11), the one end of locating piece (10) is equipped with first side benchmark calibration piece (5) down, the other end of locating piece (10) is equipped with second side benchmark calibration piece (6) down, the top of locating piece (10) is equipped with pinch piece (8) down, last locating piece (7) are installed at the top of last pinch piece (8), connecting rod (4) down are installed at the top of last locating piece (7), connecting rod (2) are installed at the top of connecting rod (4) down, install thermal insulation piece (3) between connecting rod (2) and the connecting rod (4) down, the middle part position of going up pinch piece (8) and pinch piece (10) installs positive benchmark calibration piece (9).
2. The rubber crack growth device heat shielding fixture of claim 1, wherein: the lower positioning block (11) is mounted on the top of the mounting base (1) through bolts, and the lower pressing block (10) is mounted on the lower positioning block (11) through six bolts with inner gaskets.
3. The rubber crack growth device heat shielding fixture of claim 1, wherein: the first side surface reference calibration block (5) and the second side surface reference calibration block (6) are mounted on the top of the mounting base (1) through bolts.
4. The rubber crack growth device heat shielding fixture of claim 1, wherein: the heat insulation block (3) is arranged at the joint of the upper connecting rod (2) and the lower connecting rod (4), and the joint of the upper connecting rod (2) and the lower connecting rod (4) is fixedly connected through bolts.
5. The rubber crack growth device heat shielding fixture of claim 1, wherein: the lower connecting rod (4) is arranged on the top of the upper positioning block (7) through bolts, and the upper pressing block (8) is arranged on the bottom of the upper positioning block (7) through six bolts with inner gaskets.
6. The rubber crack growth device heat shielding fixture of claim 1, wherein: the top of last connecting rod (2) is equipped with the internal thread hole, the internally mounted of internal thread hole has the force value sensor in the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725916.4U CN220490547U (en) | 2023-07-03 | 2023-07-03 | Heat insulation fixture for rubber crack propagation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725916.4U CN220490547U (en) | 2023-07-03 | 2023-07-03 | Heat insulation fixture for rubber crack propagation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490547U true CN220490547U (en) | 2024-02-13 |
Family
ID=89833393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321725916.4U Active CN220490547U (en) | 2023-07-03 | 2023-07-03 | Heat insulation fixture for rubber crack propagation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220490547U (en) |
-
2023
- 2023-07-03 CN CN202321725916.4U patent/CN220490547U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |