CN204064826U - A kind of level of aggregation and vertical impact test apparatus - Google Patents
A kind of level of aggregation and vertical impact test apparatus Download PDFInfo
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- CN204064826U CN204064826U CN201420485403.5U CN201420485403U CN204064826U CN 204064826 U CN204064826 U CN 204064826U CN 201420485403 U CN201420485403 U CN 201420485403U CN 204064826 U CN204064826 U CN 204064826U
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Abstract
A kind of level of aggregation described in the utility model and vertical impact test apparatus, comprise the device that vertically drops hammer, vertical guide, horizontal impact car, level guide track and fixture etc. into.Drop hammer and can be promoted to specified altitude assignment separately, then by dropping hammer itself as impacting body, realize the vertical impulse test to test sample, also by drag rope, the horizontal impact car dropped hammer with guiding in level on track can be connected, ropes is discharged after drop hammer lifting to a certain height, drop hammer by drag rope realize the traction of horizontal impact car is accelerated, horizontal car is before shock sample, drag rope is separated with horizontal impact car, then independent by horizontal impact car realize to the horizontal Impulsive load of the freedom of test block.For the energy of level and vertical impulse test, by dropping hammer, gravitional force provides.There is safety, reliable, controllability is good, reproducible, Basic principles and devices is simple, without plurality of advantages such as electric noise signal disturbing, easily popularization.
Description
Technical field
The utility model belongs to impulse test technical field, specifically, relates to a kind of level of aggregation and vertical impact test apparatus.
Background technology
In recent years, along with the rapid growth of domestic national economy, inland water transport career development is rapid, inland water transport traffic becomes very busy, so that on-water bridge occurred again and again by the event of hitting, wherein most typical accident be Guangdong Jiujiang Bridge in 2007 by the accident of hitting, direct loss more than 2,000 ten thousand in accident.
Impact strength or claim impact flexibility to be one of important mechanical property of material, is used for weighing impact resistance and the degree of flexibility of material.
In field of civil engineering, material and the mechanical response of structure under shock load have significantly different features from the mechanical response under static load, and in the practical problemss such as engineering, impact can bring serious destructiveness.Very extensively (as: the mechanical response feature under shock load is the basis set up dynamic constitutive, mechanical analysis and rationally carry out engineering design to problem involved by impact, also be material model and material properties data foundation in various imitation technology), therefore, material and the structure physical mechanics behavior test under shock load has become the indispensable technological means of civil engineering work, and is more and more subject to paying much attention to and the fundamental test urgently further developed.
The kind of current impulse test has following several fundamental type:
1, air bubble method, namely utilizes the principle of differential pressure of air pressure to realize blowing out.The method due to need pneumatic supply air pressure quite high, usual civilian testing laboratory be difficult to realize.
2, the ballistic method of flywheel or rotating disc.Impulsive force for field of civil engineering is tested, and the speed that the method can provide and acceleration are also not enough far away.
3, chemical explosive explosion method.The impulsive force that the method can provide is comparatively large, but owing to having potential safety hazard, is usually difficult to get the Green Light.
4, air gun type method (comprising: pneumatic type (pneumatic)).The method is similar to chemical explosive explosion method, and when air gun impulsive force is enough large, the method exists larger potential safety hazard; But when the use of air gun is in safe range, its speed and acceleration less, make impulsive force often not reach requirement.
5, electromagnetic launcher (comprise railgun, coilgun----coil form electromagnetic launcher, reclosing big gun).At present, the use of the method otherwise realize in military system that place scale is had certain requirements, or be that the situation that less quality, impact energy and speed are lower realizes for being some impact bodies.
Utility model content
The utility model overcomes shortcoming of the prior art, provides a kind of level of aggregation and vertical impact test apparatus, for the engineering structures such as bridge, building, protection are impacted design, assessment, detected and even high impact material research and development, provides common trial platform.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of level of aggregation and vertical impact test apparatus, comprise the device that vertically drops hammer, can realize drops hammer does the vertical guide of the movement of falling object, horizontal impact car, level guides track and the fixture for fixing test part into, described top of vertically dropping hammer device is provided with double grooved pulley, described double grooved pulley is arranged with ropes and drag rope, described ropes and drag rope are all connected and drop hammer, described vertically movement under described ropes and drag rope traction of dropping hammer, the other end of described drag rope draws described horizontal impact car and guides moving on rails in described level, described level is guided track into and is arranged described fixture away from described one end of vertically dropping hammer device, described level is guided track into and is arranged reverse seat near one end of fixture, the drag rope connecting described double grooved pulley is walked around described reverse seat and is connected described horizontal impact car, tripping device is provided with between described drag rope and described horizontal impact car.
Further, described ropes is dropped hammer by clamping device connection.
Further, described drag rope is dropped hammer by fast connector connection.
Further, corresponding described test block shock point is provided with high-speed camera.
Further, described fixture is provided with adjustable for height cushion cap base, and described fixture comprises crossbeam, and the corresponding described cushion cap base of described crossbeam is provided with the hydraulic loading device for fixing described test block upper end.
Further, between described crossbeam and hydraulic loading device, motion in one dimension stop means is set.
Further, described motion in one dimension stop means comprises the fixed block that is fixed on described crossbeam, be provided with some horizontal rollers in described fixed block, the upper end of described hydraulic loading device is provided with fixture, and described fixture is fixed between described fixed block and horizontal roller.
Further, the corresponding described test block of described fixture is provided with displacement meter.
Further, test block is secured by bolts in the cushion cap base of described fixture.
Compared with prior art, the beneficial effects of the utility model are:
A kind of level of aggregation described in the utility model and vertical impact test apparatus, drop hammer and can be promoted to specified altitude assignment separately, complete nearly freely falling body by himself Action of Gravity Field vertically to accelerate, then by dropping hammer itself as impacting body, realize the vertical impulse test to test sample, also by drag rope, the horizontal impact car of guiding on track with the level of being placed on that drops hammer can be connected, ropes is discharged after drop hammer lifting to a certain height, due to the Action of Gravity Field dropped hammer, realize dropping hammer and the common acceleration of horizontal impact car by drag rope, horizontal car is before shock sample, drag rope is separated with horizontal impact car by device, then independent by horizontal impact car realize to the horizontal Impulsive load of the freedom of test sample.
Can also be discharged after drop hammer lifting to a certain height, realize horizontal impact test and vertical impulse test simultaneously, realize once promoting, horizontal impact test and vertical impulse test can obtain data accurately, improve work efficiency, have saved cost.
For the energy of level and vertical impulse test, by dropping hammer, gravitional force provides, and has safety, reliable, controllability is good, reproducible, Basic principles and devices is simple, without plurality of advantages such as electric noise signal disturbing, easy popularizations.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, is used from explanation the utility model with embodiment one of the present utility model, does not form restriction of the present utility model, in the accompanying drawings:
Fig. 1 is the structural representation of a kind of level of aggregation described in the utility model and vertical impact test apparatus;
Fig. 2 is the structural representation of fixture.
In figure, 1---vertical guide; 2---horizontal impact car;
3---level guides track into; 4---fixture;
5---double grooved pulley; 6---ropes;
7---drag rope; 8---drop hammer;
9---column; 10---crossbeam;
11---cushion cap base; 12---hydraulic loading device;
13---oppositely seat; 14---fixed block;
15---single groove fixed pulley; 16---cushion cap seat;
17---horizontal roller.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Fig. 1 is a kind of level of aggregation described in the utility model and vertical impact test apparatus, comprise the device that vertically drops hammer, can be realized dropping hammer 8 vertical guide 1 doing the movement of falling object, horizontal impact car 2, level guides track 3 and the fixture 4 for fixing test part into, vertically the drop hammer top of device is provided with double grooved pulley 5, double grooved pulley 5 is double flute fixed pulley, two grooves of double grooved pulley 5 are arranged with ropes 6 and drag rope 7, ropes 6 is connected by clamping device drops hammer 8, drag rope 7 drops hammer 8 by fast connector connection, drop hammer 8 below be provided with cushion cap seat 16, ropes 68 rises to certain altitude for dropping hammer, to drop hammer 8 vertically movements under the traction of ropes 6 and drag rope 7, drag rope 7 draws horizontal impact car 2 and guides motion on track 3 in level, level is guided track 3 into and is arranged fixture 4 away from one end of the device that vertically drops hammer.
Consult Fig. 2, fixture 4 comprises column 9, crossbeam 10 and adjustable for height cushion cap base 11, and crossbeam 10 is by two shore supports, and the corresponding cushion cap base 11 of crossbeam 10 is provided with the hydraulic loading device 12 for fixing test part upper end.
Level is guided track 3 into and is arranged reverse seat 13 near one end of fixture 4, reverse seat 13 is right cylinder, it is highly less than the bottom of horizontal impact car 2, drag rope 7 walks around reverse seat 13, connect the drag rope 7 of double grooved pulley 5 to downward-extension, lateral arrangement is realized again by a single groove fixed pulley 15, walk around reverse seat 13 and connect horizontal impact car 2, tripping device is provided with between drag rope 7 and horizontal impact car 2, tripping device comprises the johning knot that drag rope 7 tail end is equipped with, the corresponding johning knot of horizontal impact car 2 is provided with hook, because the opening of hook is towards the device that vertically drops hammer, when the link position of drag rope 7 and hook is through reverse seat 13, the johning knot of drag rope 7 and hook natural separation.
Motion in one dimension stop means is installed between crossbeam 10 and hydraulic loading device 12, motion in one dimension stop means comprises the fixed block 14 that is fixed on crossbeam 10, some horizontal rollers 17 are provided with in fixed block 14, the upper end of hydraulic loading device 12 is provided with fixture, and fixture is fixed between fixed block 14 and horizontal roller 17.
The corresponding test block of fixture 4 is provided with displacement meter, adopts the rod-pulling type displacement meter of 300mm, outside the middle section being arranged in test block, uses special displacement measuring points bearing to be fixed, displacement meter is connected to control device and processes.
Horizontal impact car 2 and drop hammer 8 front end be equipped with impact force testing device, the impulse force numerical value of record impact moment.
Test block is secured by bolts in the cushion cap base 11 of fixture 4.
The course of work of the present utility model is:
Vertical impulse test:
Test block is fixed on cushion cap seat 16, and one end of ropes 6 is walked around double grooved pulley 5 and connected and drop hammer 8, and ropes 6 will be dropped hammer and 8 be risen to certain altitude, discharge ropes 6, drop hammer 8 vertically guide rail 1 do the movement of falling object, realize vertical impulse test.
Horizontal impact is tested:
Test block is fixed between the hydraulic loading device 12 of fixture 4 and cushion cap base 11, one end of drag rope 78 to be connected with dropping hammer by fast connector, the other end is tethered to the afterbody of horizontal impact car 2 by double grooved pulley 5, by pull ropes 6 will drop hammer 8 move certain altitude to after, carry out release to make it to do the movement of falling object, drag rope 7 pulls horizontal impact car 2 to guide on track 3 in level and moves, horizontal impact car 2 moves to the direction of fixture 4, when the link position of drag rope 7 and hook is through reverse seat 13, drag rope 7 is separated with hook, horizontal impact car 2 is thrown out of, hit test block.
Vertical impulse test and horizontal impact test are carried out simultaneously:
Two test blocks be separately fixed at drop hammer 8 below and fixture 4 on, ropes 6 will be dropped hammer and 8 be risen to certain altitude, one end of drag rope 7 connects drops hammer 8, the other end connects horizontal impact car 2, drop hammer 8 vertically guide rail 1 do the movement of falling object, horizontal impact car 2 is guided on track 3 in level and is moved, and realizes vertical impulse test and horizontal impact test simultaneously.
After having collided, obtain required time-history curves by data acquisition system (DAS).
Last it is noted that these are only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; but it is all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a level of aggregation and vertical impact test apparatus, it is characterized in that: comprise the device that vertically drops hammer, can realize drops hammer does the vertical guide of the movement of falling object, horizontal impact car, level guides track and the fixture for fixing test part into, described top of vertically dropping hammer device is provided with double grooved pulley, described double grooved pulley is arranged with ropes and drag rope, described ropes is connected with drag rope drops hammer, described vertically movement under described ropes and drag rope traction of dropping hammer, the other end of described drag rope draws described horizontal impact car and guides moving on rails in described level, described level is guided track into and is arranged described fixture away from described one end of vertically dropping hammer device, described level is guided track into and is arranged reverse seat near one end of fixture, the drag rope connecting described double grooved pulley is walked around described reverse seat and is connected described horizontal impact car, tripping device is provided with between described drag rope and described horizontal impact car.
2. a kind of level of aggregation according to claim 1 and vertical impact test apparatus, is characterized in that: described ropes is connected by clamping device drops hammer.
3. a kind of level of aggregation according to claim 1 and 2 and vertical impact test apparatus, is characterized in that: described drag rope is dropped hammer by fast connector connection.
4. a kind of level of aggregation according to claim 1 and 2 and vertical impact test apparatus, is characterized in that: corresponding described test block shock point is provided with high-speed camera.
5. a kind of level of aggregation according to claim 1 and 2 and vertical impact test apparatus, it is characterized in that: described fixture is provided with adjustable for height cushion cap base, described fixture comprises crossbeam, and the corresponding described cushion cap base of described crossbeam is provided with the hydraulic loading device for fixing described test block upper end.
6. a kind of level of aggregation according to claim 5 and vertical impact test apparatus, is characterized in that: arrange motion in one dimension stop means between described crossbeam and hydraulic loading device.
7. a kind of level of aggregation according to claim 6 and vertical impact test apparatus, it is characterized in that: described motion in one dimension stop means comprises the fixed block that is fixed on described crossbeam, some horizontal rollers are provided with in described fixed block, the upper end of described hydraulic loading device is provided with fixture, and described fixture is fixed between described fixed block and horizontal roller.
8. a kind of level of aggregation according to claim 7 and vertical impact test apparatus, is characterized in that: the corresponding described test block of described fixture is provided with displacement meter.
9. a kind of level of aggregation according to claim 1 and 2 and vertical impact test apparatus, is characterized in that: test block is secured by bolts in the cushion cap base of described fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485403.5U CN204064826U (en) | 2014-08-26 | 2014-08-26 | A kind of level of aggregation and vertical impact test apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485403.5U CN204064826U (en) | 2014-08-26 | 2014-08-26 | A kind of level of aggregation and vertical impact test apparatus |
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| CN204064826U true CN204064826U (en) | 2014-12-31 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949815A (en) * | 2015-06-08 | 2015-09-30 | 上海交通大学 | Bio-mechanical impact test table |
| CN113933145A (en) * | 2021-11-09 | 2022-01-14 | 上海交通大学 | Long-span box girder dynamic bending ultimate strength test device |
| CN114964686A (en) * | 2022-05-10 | 2022-08-30 | 东南大学 | Horizontal impact test device and method for detecting performance of bridge anti-collision device |
| CN116296911A (en) * | 2023-05-11 | 2023-06-23 | 山东聚金龙汽车发展有限公司 | Impact detection equipment for hydrogen fuel cell |
| CN116660059A (en) * | 2023-07-31 | 2023-08-29 | 昆明理工大学 | Device and method for breaking test of layered cemented filling body test piece under blasting load |
-
2014
- 2014-08-26 CN CN201420485403.5U patent/CN204064826U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949815A (en) * | 2015-06-08 | 2015-09-30 | 上海交通大学 | Bio-mechanical impact test table |
| CN113933145A (en) * | 2021-11-09 | 2022-01-14 | 上海交通大学 | Long-span box girder dynamic bending ultimate strength test device |
| CN113933145B (en) * | 2021-11-09 | 2022-08-02 | 上海交通大学 | Long-span box girder dynamic bending ultimate strength test device |
| CN114964686A (en) * | 2022-05-10 | 2022-08-30 | 东南大学 | Horizontal impact test device and method for detecting performance of bridge anti-collision device |
| CN116296911A (en) * | 2023-05-11 | 2023-06-23 | 山东聚金龙汽车发展有限公司 | Impact detection equipment for hydrogen fuel cell |
| CN116296911B (en) * | 2023-05-11 | 2023-07-21 | 山东聚金龙汽车发展有限公司 | Impact detection equipment for hydrogen fuel cell |
| CN116660059A (en) * | 2023-07-31 | 2023-08-29 | 昆明理工大学 | Device and method for breaking test of layered cemented filling body test piece under blasting load |
| CN116660059B (en) * | 2023-07-31 | 2023-09-26 | 昆明理工大学 | Device and method for breaking test of layered cemented filling body test piece under blasting load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160826 |