CN215931561U - Special device for flue soft object impact resistance test - Google Patents
Special device for flue soft object impact resistance test Download PDFInfo
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- CN215931561U CN215931561U CN202122496387.2U CN202122496387U CN215931561U CN 215931561 U CN215931561 U CN 215931561U CN 202122496387 U CN202122496387 U CN 202122496387U CN 215931561 U CN215931561 U CN 215931561U
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Abstract
The utility model is suitable for the technical field of impact performance test equipment, and provides a special device for a flue soft object impact resistance test, which comprises a test platform and a detection device positioned on the test platform; the lifting mechanism comprises a lifting plate, a support column and a power gear, wherein a rack meshed with the power gear is arranged in the support column and is connected with the lifting plate; the lifting plate is provided with a blanking mechanism, the blanking mechanism comprises a trough, and a kickoff plate connected with a power device is arranged in the trough; the detection device is positioned above the test platform and comprises a drop hammer impact sensitivity instrument connected with the data acquisition system and is positioned right below a discharge port of the material tank; the test platform is also provided with a material pushing mechanism, and the material pushing mechanism comprises a material pushing plate and a cylinder assembly connected with the material pushing plate. Therefore, the blanking mechanism and the material pushing mechanism are arranged on the test platform, so that the manual intervention is reduced, and the aim of more accurate test is fulfilled.
Description
Technical Field
The utility model relates to the technical field of impact performance testing equipment, in particular to a special device for a flue soft object impact resistance test.
Background
According to the requirements of soft object impact resistance tests in the industry standard JGJ/T194-2018 smoke (air) exhaust duct products in residential kitchens and toilets, for a smoke exhaust duct to be constructed, 10kg of sandbags need to be freely dropped from the height of 1m, the sandbags need to impact the same position on the side wall surface of the long edge of the end face of a test piece for 5 times, and whether the test piece of the exhaust duct cracks or not is checked so as to judge whether the construction requirements are met or not.
In the testing process, multiple tests are needed to ensure the accuracy of the test result. Among the existing equipment, the height of resistant soft thing test is generally fixed, can only be used for the measurement of a type test piece, and the testing process is mostly manual operation, has great error, if the kind that needs the test is more, the test piece of different materials, required impact force is all inequality, if experimental data is more to realize the contrast of multiple test piece under same height, will unable satisfying operation requirement.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model aims to provide the special device for the flue soft object impact resistance test, which reduces manual intervention and achieves the purpose of more accurate test by arranging the blanking mechanism and the material pushing mechanism on the test platform.
In order to achieve the purpose, the utility model provides a special device for a flue soft object impact resistance test, which comprises a test platform and a detection device positioned on the test platform; the lifting mechanism comprises a lifting plate, a support column and a power gear, wherein a rack meshed with the power gear is arranged in the support column and is connected with the lifting plate; the lifting plate is provided with a blanking mechanism, the blanking mechanism comprises a trough, and a kickoff plate connected with a power device is arranged in the trough; the detection device is positioned above the test platform and comprises a drop hammer impact sensitivity instrument connected with the data acquisition system and is positioned right below a discharge port of the material tank; the test platform is also provided with a material pushing mechanism, and the material pushing mechanism comprises a material pushing plate and a cylinder assembly connected with the material pushing plate.
According to the special device for the flue soft object impact resistance test, the power device is a belt wheel assembly, and the installation distances between the adjacent material shifting plates are the same.
According to the special device for the flue soft object impact resistance test, the number of the power gears and the number of the support columns are two.
According to the special device for the flue soft object impact resistance test, the middle part of the lifting plate is also provided with the rotating shaft, and the lifting plate is connected with the test platform through the mutually meshed gear sets.
According to the special device for the flue soft object impact resistance test, the hydraulic cylinder is connected below the rotating shaft.
According to the special device for the soft object impact resistance test of the flue, the test platform is also provided with a locking mechanism.
According to the special device for the flue soft object impact resistance test, the locking mechanism comprises a limiting hole and a limiting pin shaft positioned in the limiting hole.
According to the special device for the soft object impact resistance test of the flue, the shell is sleeved on the outer side of the test platform and is made of transparent materials.
The utility model provides a special device for a flue soft object impact resistance test, which comprises a test platform and a detection device positioned on the test platform; the test platform has a large area and is mainly used for supporting, and the detection device is used for testing and collecting test data. The lifting mechanism comprises a lifting plate, a support column and a power gear, wherein a rack meshed with the power gear is arranged in the support column and is connected with the lifting plate; the power gear drives the rack located in the support column to move up and down in the rotating process, and the rack drives the lifting plate to lift, so that the height of the lifting plate is adjusted, and the purpose of blanking with various heights is achieved. The lifting plate is provided with a blanking mechanism, the blanking mechanism comprises a trough, and a kickoff plate connected with a power device is arranged in the trough; according to the requirement of testing quantity in an experiment, a plurality of shifting plates can be arranged, the power device can drive the shifting plates to slide in the trough when working, and the testing piece in front of each shifting plate is all pulled out from the port of the trough, so that the falling point is ensured to fall at the same position of the tested workpiece, the test data collected by the falling weight impact sensitivity instrument at each time can be ensured to be the data of free falling bodies, and the accuracy of the data is ensured. The pushing mechanism generally utilizes the cylinder component to drive the reciprocating motion of the pushing plate to realize pushing, and besides the cylinder component, a cam mechanism which can swing in a reciprocating mode can be adopted, so that the cost is lower, and the installation is more convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the pusher mechanism of the present invention;
in the context of the figures, it is,
1-a test platform;
2-lifting mechanism, 21-supporting column, 22-power gear, 23-lifting plate, 231-rotating shaft and 232-hydraulic cylinder;
3-a material pushing mechanism, 31-a material pushing plate and 32-a cylinder assembly;
4-blanking mechanism, 41-trough, 42-kickoff plate, 43-belt wheel component.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1-3, the utility model provides a special device for a flue soft object impact resistance test, which comprises a test platform 1 and a detection device positioned on the test platform 1; the test platform 1 is large in area and mainly used for supporting, and the detection device is used for testing and collecting test data. The lifting mechanism 2 comprises a lifting plate 23, a support column 21 and a power gear 22, wherein a rack meshed with the power gear 22 is arranged in the support column 21 and is connected with the lifting plate 23; in the rotating process, the power gear 22 drives the rack positioned in the support column 21 to move up and down, and the rack drives the lifting plate 23 to lift, so that the height of the lifting plate 23 is adjusted, and the purpose of blanking with various heights is realized. The lifting plate 23 is provided with a blanking mechanism 4, the blanking mechanism 4 comprises a trough 41, and a kickoff plate 42 connected with a power device is arranged in the trough 41; according to the needs of test quantity in the experiment, can set up a plurality of switch-plates 42, power device can drive switch-plates 42 and slide in silo 41 at the during operation to all dial out the test piece in every switch-plates 42 place ahead from silo 41's port department, all fall the same position at the work piece that is tested in order to guarantee the placement, can guarantee like this that the experimental data that drop hammer striking sensitivity appearance was collected at every turn is the data of free fall, has guaranteed the accuracy of data. The pushing mechanism 3 generally utilizes the cylinder assembly 32 to drive the pushing plate 31 to reciprocate to push materials, a cam mechanism which can swing in a reciprocating mode can be adopted besides the cylinder assembly 32, the cam mechanism is utilized to drive the pushing plate 31 to move, regular reciprocating pushing can be achieved, the cost is lower, and the installation is more convenient.
Preferably, the power device of the present invention is a pulley assembly 43, and the installation distance between the adjacent switch plates 42 is the same. The kick-out plates 42 are mainly used for kick-out, the distances between the adjacent kick-out plates 42 are the same, so that the interval time of blanking at each time is the same, the movement speed of the material pushing mechanism 3 can be conveniently adjusted according to the blanking time, and the mutual interference between workpieces is reduced.
In addition, the number of the power gears 22 and the number of the support columns 21 of the present invention are both two. The power gear 22 and the support column 21 are generally required to be symmetrically distributed on two sides of the lifting plate 23, so that the lifting stability is ensured. Besides the power gear 22 and the supporting column 21, an electric telescopic rod can be used, and the installation and maintenance are simpler. The power gear 22 has more stable transmission and stronger synchronism, and is more suitable for heavy load.
Furthermore, the middle part of the lifting plate 23 of the utility model is also provided with a rotating shaft 231, and the lifting plate 23 is connected with the test platform 1 through the mutually meshed gear sets. In the actual free fall test, there is a certain difference in the positions to be impacted for different tested pieces, and particularly, in order to visually compare the impact results, the hydraulic cylinder 232 pushes the lifting plate 23 to rise, and then the lifting plate 23 rotates along the rotating shaft 231, so as to realize the impact test on different tested pieces or different positions of a single tested piece.
In order to achieve better technical effect, the test platform 1 of the utility model is also provided with a locking mechanism. If the data of test is more, the cycle is longer, in order to prevent 2 long-time standby states of elevating system, can set for the lift height, then with the fixed position of lifter plate 23 of latched device who mutually supports, latched device is of many kinds, can directly carry on spacingly with spacing round pin axle and spacing hole to lifter plate 23. Except for the limiting pin shaft and the limiting hole, a clamp, a lock catch and the like can be used.
In addition, a shell is sleeved on the outer side of the test platform 1, and the shell is made of transparent materials. The most commonly used sandbags in soft impact tests, which generate a lot of dust when impacted, are preferably sleeved with a transparent shell on the outer side of the test platform 1.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. A special device for a flue soft object impact resistance test is characterized by comprising a test platform and a detection device positioned on the test platform;
the lifting mechanism comprises a lifting plate, a support column and a power gear, wherein a rack meshed with the power gear is arranged in the support column, and the rack is connected with the lifting plate;
the lifting plate is provided with a blanking mechanism, the blanking mechanism comprises a trough, and a kickoff plate connected with a power device is arranged in the trough;
the detection device is positioned above the test platform and comprises a drop hammer impact sensitivity instrument connected with a data acquisition system, and is positioned right below a discharge port of the material tank;
the test platform is further provided with a material pushing mechanism, and the material pushing mechanism comprises a material pushing plate and a cylinder assembly connected with the material pushing plate.
2. The special device for the flue soft object impact resistance test as claimed in claim 1, wherein the power device is a belt wheel assembly, and the installation distances between adjacent material shifting plates are the same.
3. The special device for the flue soft object impact resistance test according to claim 1, wherein the number of the power gears and the number of the support columns are two.
4. The special device for the soft object impact test of the flue according to claim 1, wherein a rotating shaft is further arranged in the middle of the lifting plate, and the lifting plate is connected with the test platform through a gear set which is meshed with the lifting plate.
5. The special device for the flue soft object impact resistance test according to claim 4, wherein a hydraulic cylinder is further connected below the rotating shaft.
6. The special device for the flue soft object impact resistance test as claimed in claim 1, wherein a locking mechanism is further arranged on the test platform.
7. The special device for the flue soft object impact resistance test as claimed in claim 6, wherein the locking mechanism comprises a limiting hole and a limiting pin shaft positioned in the limiting hole.
8. The special device for the soft object impact test of the flue according to claim 1, wherein a shell is sleeved outside the test platform, and the shell is made of a transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496387.2U CN215931561U (en) | 2021-10-18 | 2021-10-18 | Special device for flue soft object impact resistance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496387.2U CN215931561U (en) | 2021-10-18 | 2021-10-18 | Special device for flue soft object impact resistance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215931561U true CN215931561U (en) | 2022-03-01 |
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ID=80405000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122496387.2U Active CN215931561U (en) | 2021-10-18 | 2021-10-18 | Special device for flue soft object impact resistance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215931561U (en) |
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2021
- 2021-10-18 CN CN202122496387.2U patent/CN215931561U/en active Active
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