CN211978275U - Carbon fiber safety hangs shock resistance test bench - Google Patents
Carbon fiber safety hangs shock resistance test bench Download PDFInfo
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- CN211978275U CN211978275U CN202021067649.2U CN202021067649U CN211978275U CN 211978275 U CN211978275 U CN 211978275U CN 202021067649 U CN202021067649 U CN 202021067649U CN 211978275 U CN211978275 U CN 211978275U
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Abstract
The utility model provides a carbon fiber safety crane shock resistance test bed, which comprises an installation base, a stand column, a lifting device, an electromagnet sucker and a shock weight, wherein the bottom of the stand column is installed in a matching way with the installation base, the top of the stand column is provided with a mounting plate, and the lifting device is installed in a matching way with the mounting plate; the lower end of the lifting device is connected with a fixed plate, the electromagnet sucker is fixed on the lower surface of the fixed plate, the top of the impact weight can be matched with the bottom of the electromagnet sucker to be tightly sucked, the impact weight is connected with the bottom of the lifting device through a balance steel rope, and the electromagnet sucker can be powered on and off by controlling to enable the impact weight to freely fall down to safely hoist carbon fibers for impact testing by a set height. Test bench simple structure, easily operation can test the shock resistance that carbon fiber safety hung steadily accurately, ensures that it satisfies the use strength requirement.
Description
Technical Field
The utility model belongs to the technical field of railway rails safety protection technique and specifically relates to a carbon fiber hangs impact resistance test bench safely.
Background
The carbon fiber safety crane is applied to safety protection of a railway passenger car bogie, is arranged below the bogie and is used for preventing components such as a swing bolster, a joist and the like from falling off and falling into a railway track when a passenger car runs to cause derailment or overturning of the railway passenger car.
The carbon fiber safety crane needs high impact resistance, the mass of parts such as a swing bolster, a joist and the like is generally about 800kg, and the carbon fiber safety crane can be subjected to high impact force when falling off. Therefore, after the carbon fiber is safely hung after production is finished, a sample needs to be taken for carrying out an impact resistance test.
The carbon fiber safety crane is subjected to an impact resistance test, generally, an 800kg mass block is adopted, the mass block is freely released at a height more than 150mm away from the carbon fiber safety crane, the mass block falls onto the carbon fiber safety crane, the carbon fiber safety crane needs to continuously bear three times of the impact tests, no fracture is generated, and the carbon fiber safety crane is a qualified product.
Because carbon fiber hangs the structure safely than special, the current impact resistance test bench in market can't satisfy and carries out above-mentioned impact test to it, consequently needs a rational in infrastructure urgently, can satisfy the test bench of high strength impact resistance test to hang to carbon fiber safety and carry out impact resistance test.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a carbon fiber hangs shock resistance test bench safely, the problem that proposes in the above-mentioned background can be solved to this test bench, hangs to carbon fiber safety and carries out shock resistance test.
The utility model provides a carbon fiber safety crane shock resistance test bed, which comprises an installation base, a stand column, a lifting device, an electromagnet sucker and a shock weight, wherein the bottom of the stand column is installed in a matching way with the installation base, the top of the stand column is provided with a mounting plate, and the lifting device is installed in a matching way with the mounting plate; the lower end of the lifting device is connected with a fixed plate, the electromagnet sucker is fixed on the lower surface of the fixed plate, the top of the impact weight can be matched with the bottom of the electromagnet sucker to be tightly sucked, the impact weight is connected with the bottom of the lifting device through a balance steel rope, and the electromagnet sucker can be powered on and off by controlling to enable the impact weight to freely fall down to safely hoist carbon fibers for impact testing by a set height.
Preferably, the lifting device comprises a first lifter and a second lifter which are vertically arranged, a first lifting guide rod of the first lifter is connected with the fixed plate, and the height of the fixed plate can be adjusted along the first lifting guide rod; and the bottom of the second lifter is connected with the impact weight through a plurality of balance steel ropes.
Preferably, the fixing plate is provided with at least one displacement sensor for acquiring height position information of the impact weight.
Preferably, the bottom of the upright column is provided with at least one speed sensor for acquiring falling speed information of the impact weight.
Preferably, an electrical control cabinet is arranged on one side of the upright post.
Preferably, a rectangular balance plate is arranged at the bottom of the second elevator, lifting rings are arranged at four corners of the balance plate respectively, and lifting rings are arranged at four corners of the impact weight respectively.
Preferably, the number of the balance steel ropes is four, the two ends of each balance steel rope are provided with lifting hooks, and the lifting hooks are correspondingly matched and connected with the balance plate and lifting rings at four corners of the impact weight respectively, so that the impact weight is lifted below the balance plate.
The utility model discloses beneficial effect who has: the utility model discloses a standard mass's impact weight hangs freely falling body impact to carbon fiber safety at appointed high, uses the electro-magnet sucking disc to absorb impact weight simultaneously, and the lift and the free fall of the weight are strikeed in the control of being convenient for, can hang carbon fiber safety to await measuring and carry out many times shock resistance test more conveniently, and the test result is more accurate, and the simple easy operation of test process has guaranteed the safety in utilization that carbon fiber safety hung.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of a test stand according to an embodiment of the present invention;
fig. 2 is a left side view schematic diagram of the test bed of the embodiment of the present invention.
Description of reference numerals:
1: installing a base; 2: a column; 3: a lifting device; 31: a first lifter; 311: a first lifting guide rod; 32: a second lifter; 321: a second lifting guide rod; 4: an electromagnet chuck; 5: impacting a weight; 6: mounting a plate; 7: a fixing plate; 8: a balance plate; 9: balancing the steel rope; 10: an electrical control cabinet; 11: a displacement sensor; 12: a speed sensor; 13: and (5) testing the test piece.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, a carbon fiber safety crane shock resistance test bed comprises an installation base 1, a stand column 2, a lifting device 3, an electromagnet chuck 4 and an impact weight 5, wherein the bottom of the stand column 2 is installed in cooperation with the installation base 1, an installation plate 6 extending towards the right side is arranged at the top of the stand column 2, the lifting device 3 comprises a first lifter 31 and a second lifter 32 which are vertically arranged, the lower end of a lifting guide rod 311 of the first lifter 31 is connected with a fixing plate 7, the fixing plate 7 extends towards the right side, and the fixing plate 7 can move up and down under the action of the first lifter 31. The lower end of a lifting guide rod 321 of the second elevator 32 is connected with a rectangular balance plate 8, four corners of the lower surface of the balance plate 8 are respectively provided with a hanging ring fixedly connected with the balance plate 8, the impact weight 5 is square, the four corners of the upper surface of the impact weight 5 are also fixed with the same hanging ring, each hanging ring on the balance plate 8 is connected with the hanging ring in the same position of the impact weight 5 through a balance steel rope 9, the balance plate 8 is connected with the impact weight 5 through four balance steel ropes 9 in total, the length of each balance steel rope 9 is the same, and the impact weight 5 can be horizontally hung below the balance plate 8. The electromagnet sucker 4 is fixed on the lower surface of the extending side of the fixing plate 7, strong magnetism is generated after the electromagnet sucker 4 is electrified, and the impact weight 5 can be sucked on the lower surface of the electromagnet sucker.
The impact weight 5 adopts a steel 800kg standard mass block which is square, hanging rings are arranged at four angular positions, a lifting hook matched with the hanging rings is arranged at the end part of the balance steel rope 9, and the lifting hook is matched with the hanging rings and can be conveniently taken down. The area of the upper surface or the lower surface of the impact weight 5 is larger than that of the electromagnet sucker 4, so that the electromagnet sucker 4 can be prevented from interfering with a balance steel rope 9 or hanging rings at four corners of the impact weight 5 when the impact weight 5 is tightly sucked.
Specifically, an electrical control cabinet 10 is fixed on the side surface of the upright column 2, and a PLC control system is arranged in the electrical control cabinet 10 and can be used for controlling the lifting action speed of the first lifter 31 and the second lifter 32 and the power on/off of the electromagnet suction cup 4. A displacement sensor 11 is attached to a side surface of the fixed plate 7, the displacement sensor 11 senses the height position of the impact weight 5 and transmits the position information to the PLC control system, and the PLC control system moves the first lifter 31 and the second lifter 32 up and down according to the obtained position information to adjust the position heights of the electromagnet chuck 4 and the impact weight 5. A speed sensor 12 is installed near the position of installation base 1 in the bottom of stand 2, and installation base 1 has placed carbon fiber safety on the surface and has hung test piece 13 that shock resistance test was used, and speed sensor 12 is used for gathering the impact velocity when strikeing weight 5 and test piece 13 collision to give the PLC control system with this impact velocity feedback, carry out record analysis as test data.
The shock resistance test of test bench includes following step: (1) and picking up the weight: the second lifter 32 acts to lift the impact weight 5 on the mounting base 1 to the height of 900mm, and an alarm is given to indicate that the test can be carried out; (2) and grabbing the weight: the first lifter 31 drives the electromagnet sucker 4 to move to a correction position with the height of 900mm, the electromagnet sucker 4 is electrified and magnetized to suck the impact weight 5, and then the first lifter 31 and the second lifter 32 act to enable the electromagnet sucker 4 to move to a test position with the height of 150mm together with the impact weight 5; (3) and starting a test: after sensing that the impact weight 5 reaches the test position, the displacement sensor 11 feeds a signal back to the PLC control system, the system gives an alarm prompt, controls the electromagnet sucker 4 to be powered off and demagnetized, and the impact weight 5 freely falls down to impact a test piece 13 placed on the mounting base 1 below the impact weight; (4) and (3) repeated testing: and (3) repeating the steps (1), (2) and (3), carrying out two-wheel test on the impact weight 5 again, recording the fracture condition of the impact weight 5 and the impact speed data acquired by the speed sensor 13, analyzing, and determining whether the impact resistance of the carbon fiber safety crane can reach the use safety standard.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. The carbon fiber safety crane shock resistance test bed is characterized by comprising an installation base, a stand column, a lifting device, an electromagnet sucker and an impact weight, wherein the bottom of the stand column is installed in a matched manner with the installation base; the lower end of the lifting device is connected with a fixed plate, the electromagnet sucker is fixed on the lower surface of the fixed plate, the top of the impact weight can be matched with the bottom of the electromagnet sucker to be tightly sucked, the impact weight is connected with the bottom of the lifting device through a balance steel rope, and the electromagnet sucker can be powered on and off by controlling to enable the impact weight to freely fall down to safely hoist carbon fibers for impact testing by a set height.
2. The carbon fiber safety crane impact resistance test bed according to claim 1, wherein the lifting device comprises a first lifter and a second lifter which are vertically arranged, a first lifting guide rod of the first lifter is connected with the fixed plate, and the height of the fixed plate can be adjusted along the first lifting guide rod; and the bottom of the second lifter is connected with the impact weight through a plurality of balance steel ropes.
3. The carbon fiber safety crane impact resistance test bed according to claim 1, wherein the fixing plate is provided with at least one displacement sensor for acquiring height position information of the impact weight.
4. The carbon fiber safety crane impact resistance test bed according to claim 1, wherein the bottom of the column is provided with at least one speed sensor for collecting falling speed information of the impact weight.
5. The carbon fiber safety crane impact resistance test bed according to claim 1, wherein an electrical control cabinet is arranged on one side of the upright column.
6. The carbon fiber safety crane impact resistance test bed according to claim 2, wherein a rectangular balance plate is arranged at the bottom of the second crane, lifting rings are respectively arranged at four corners of the balance plate, and lifting rings are respectively arranged at four corners of the impact weight.
7. The carbon fiber safety crane impact resistance test bed according to claim 6, wherein the number of the balance steel ropes is four, and the two ends of the balance steel ropes are respectively provided with a lifting hook, and the lifting hooks are correspondingly matched and connected with the balance plate and the lifting rings at the four corners of the impact weight respectively, so that the impact weight is lifted below the balance plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021067649.2U CN211978275U (en) | 2020-06-11 | 2020-06-11 | Carbon fiber safety hangs shock resistance test bench |
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| CN202021067649.2U CN211978275U (en) | 2020-06-11 | 2020-06-11 | Carbon fiber safety hangs shock resistance test bench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112262A (en) * | 2021-11-18 | 2022-03-01 | 中国铁路设计集团有限公司 | Vibration chip falling test method for spraying fibers on floor below main line of rail transit elevated station |
-
2020
- 2020-06-11 CN CN202021067649.2U patent/CN211978275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112262A (en) * | 2021-11-18 | 2022-03-01 | 中国铁路设计集团有限公司 | Vibration chip falling test method for spraying fibers on floor below main line of rail transit elevated station |
| CN114112262B (en) * | 2021-11-18 | 2023-08-15 | 中国铁路设计集团有限公司 | Floor spraying fiber vibration chip falling test method under overhead line of rail transit |
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