CN203479492U - Impact test block for impact resistance test - Google Patents
Impact test block for impact resistance test Download PDFInfo
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- CN203479492U CN203479492U CN201320626413.1U CN201320626413U CN203479492U CN 203479492 U CN203479492 U CN 203479492U CN 201320626413 U CN201320626413 U CN 201320626413U CN 203479492 U CN203479492 U CN 203479492U
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- test block
- impact
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- block body
- impact test
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Abstract
The utility model discloses an impact test block for an impact resistance test. The impact test block comprises a test block body made of concrete, at least one lifting lug box disposed on the top of the test block body in a recess manner, a lifting lug disposed in the lifting lug box, a release pull lug disposed at the tail of the test block body, at least two roller grooves disposed in the bottom of the test block body in a recess manner, and rollers disposed in the roller grooves. According to the impact test block, a steel plate is welded into a polyhedral shaped housing which is filled with concrete to form an integral structure, and thus the robustness of the structure of the impact test block is guaranteed, multiple impact tests can be conducted, the utilization rate of the impact test block is sub substantially improved; and furthermore, the impact test block is consistent in the integrity of appearance, can fully simulate an impact process of a falling rock on a slope during the test, is strong in simulation performance, and has accurate and obvious test effects.
Description
Technical field
The utility model relates to side slope protection field tests, specifically, relates to a kind of impact test block for shock resistance test.
Background technology
In highway, prevention of geological disaster field, the equilateral slope of railway; as the avalanche of knob, rubble flow, falling rocks, usually can give the vehicle in driving process causes casualties; the side slope protective screen of research can stop the tenesmus of the avalanche rock soil body at present; play side slope protection effect; avoided the generation of casualties; and whether side slope protective screen can effectively stop the impact of the avalanche rock soil body, this just need to carry out shock resistance test to side slope protective screen.The impact test block of using at present directly adopts reinforced concrete moulding by casting, is not with guard shield, and access times are limited, utilization factor is low, and impact mode all adopts free fall type to impact, vertically crash net, can not simulate the impact process of falling rocks in side slope completely.
Utility model content
The purpose of this utility model is to provide a kind of impact test block for shock resistance test, mainly solves impact test block utilization factor of the prior art low and can not simulate the defect of the impact process of falling rocks in side slope completely.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of impact test block for shock resistance test, comprise the test block body of being made by concrete, at least one the hanger box arranging in test block bodies top depression, be arranged on the hanger in hanger box, ear is drawn in the release that is arranged at test block body afterbody, at least two roller grooves that arrange in test block body bottom notch, and be arranged on the roller in roller groove.Wherein test block body is typically designed to polyhedron-shaped, specifically, its main body is generally right cylinder or comparatively regular polyhedron, its body front end is impact head, be shaped as the arc body mating with right cylinder or the polyhedron mating with polyhedron, but this test block body be shaped as decision design, should not be considered as the restriction to the utility model pilot scale block body shape.
In order to strengthen inner structure, in described test block body, be provided with stiffener.
For convenient test, on described test block body, be provided with depression sensor in the inner, this sensor at least comprises speed pickup and acceleration transducer.
Guiding while moving for the ease of test block body, the test block body bottom between described roller is provided with angle sheave.
In order to increase the impact resistance of test block body, improve access times, described test block body surface is provided with and is coated with the shell that increases its solidness, and wherein, hanger box, release draw ear to be all connected with this shell with roller groove.Specifically, this shell is welded to each other and is formed by top board, base plate, side plate, tailgate, the crash panel that is positioned at its front end, is generally closed integral body.As preferably, described shell is made by steel plate.
For the ease of the shock of a fall process of simulation falling rocks and be convenient to test, the utility model also comprise mate with roller for controlling the track of this impact test block direction of motion, common pre-buried being arranged in side slope to be tested of this track.
The utility model is mainly used in testing the performance of side slope protective screen, when reality is used, be also included in that track upper end arranges for limiting the windlass that impacts test block initial position.Wherein, track adopts I shape track conventionally, and roller contacts with track upper surface, angle sheave with the contacts side surfaces of track, windlass draws by steel cable and release that ear is detachable to be connected.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model adopts Plate Welding to become polyhedron-shaped shell, fill concrete forms monolithic construction within it, guaranteed impact test block structural robustness, can carry out repeatedly shock-testing, greatly improved the utilization factor of impacting test block, and other accessories of the present utility model are (as hanger, rollers etc.) all depression is arranged on shell, fully ensure the globality of impacting in test block profile, make it can simulate the impact process of falling rocks in side slope completely when test, simulation is strong, there is substantive distinguishing features and progress, and the utility model design is ingenious, simple for structure, with low cost, safe and reliable, there is market application foreground widely, be applicable to applying.
(2) on the utility model, be also provided with sensor, be generally speed pickup and acceleration transducer, image data while conveniently carrying out shock-testing, realizes the checking of analog result better.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Facad structure schematic diagram of the present utility model.
Fig. 3 is the side-looking structural representation of Fig. 2.
Fig. 4 be Fig. 3 partly cut open structural representation.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-shell, 2-test block body, 3-hanger box, 4-hanger, 5-discharges and draws ear, 6-roller groove, 7-roller, 8-angle sheave, 9-reinforcement, 10-sensor, the parallel crash panel of 11-, the oblique crash panel of 12-, 13-stiffening plate, 14-track.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment 1
As shown in Figures 1 to 4, should be for the impact test block of protection network shock resistance test, comprise the test block body 2 of being made by concrete, be coated on the shell 1 of test block body surface, two each and every one the hanger boxes 3 that arrange in shell top depression, are arranged on the hanger 4 in hanger box, ear 5 is drawn in the release that is arranged at shell afterbody, two roller grooves 6 that arrange in shell bottom notch, are arranged on the roller 7 in roller groove, and the angle sheave 8 of the setting of the outer casing bottom between roller.Wherein, the profile of described test block body is designed to the shape matching with falling rocks profile, shell is also corresponding shape, be convenient to carry out better simulation test, therefore the test block body and the shell profile that in the present embodiment, relate to can not be considered as restriction of the present utility model, specifically, it is to be welded to each other and to be formed closed integral body by top board, base plate, side plate, tailgate, the parallel crash panel 11 that is positioned at shell front end and oblique crash panel 12, wherein, hanger box is connected with top board, release draws ear to be connected with tailgate, and roller groove is all connected with base plate with angle sheave.As preferably, described shell is made by steel plate, and top board, base plate, side plate, tailgate, parallel crash panel and oblique crash panel are made by steel plate, and is welded to each other and is whole.
For fastness and the stability that guarantees that shell is connected with roller, outside described base plate and in roller groove, be equipped with stiffening plate 13.
In order to strengthen inner structure, in described shell, be provided with stiffener 9.
For convenient test, on described shell, be provided with depression sensor 10 in the inner, this sensor at least comprises speed pickup and acceleration transducer, for detection of test data.
The utility model is mainly used in testing the performance of side slope protective screen, when reality is used, is also included in the track 14 being preset in side slope, and in orbit end arrange for limiting the windlass that impacts test block initial position.Wherein, track adopts I shape track conventionally, and roller contacts with track upper surface, angle sheave with the contacts side surfaces of track, windlass draws by steel cable and release that ear is detachable to be connected.
When using the utility model to carry out test experiments, need first track to be embedded in side slope, protection network is fixed on before side slope, with tower machine or crane, the utility model assembling is lifted to track upper end, with windlass, by steel cable, be fixed on to discharge and draw on ear, unclamp the suspension hook of tower machine or crane, by windlass, hold this impact test block, this impact test block is stopped, after opening windlass, this impact test block is because deadweight can be done accelerated motion in orbit, when it moves to behind track lower end, de-orbit and impinge upon on protection network, simulated the dropping process of falling rocks completely, thereby realize protection network shock resistance test, simulation is strong, and can obtain by sensor the related data of this impact test block in process, be convenient to statistical computation.After test, impact test block is sling, reclaim, also can repeatedly test, utilization factor is high.
In addition, during the utility model not only can be tested for the shock resistance of side slope protective screen, and can be in otherwise shock resistance test.
The difference of the present embodiment and embodiment 1 is not arrange shell, and other structures are all identical, as the accessories such as hanger box, roller groove are all directly fixedly connected with test block body, with this, saves the materials of shell steel plate, and cost is lower.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
According to above-described embodiment, just can realize well the utility model.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical matters; even if some that make on the utility model are without substantial change or polishing; the essence of the technical scheme adopting is still consistent with the utility model, also should be in protection domain of the present utility model.
Claims (7)
1. the impact test block for shock resistance test, it is characterized in that, comprise the test block body of being made by concrete, at least one the hanger box arranging in test block bodies top depression, be arranged on the hanger in hanger box, ear is drawn in the release that is arranged at test block body afterbody, at least two roller grooves that arrange in test block body bottom notch, and be arranged on the roller in roller groove.
2. a kind of impact test block for shock resistance test according to claim 1, is characterized in that, in described test block body, is provided with stiffener.
3. a kind of impact test block for shock resistance test according to claim 1, is characterized in that, is provided with depression sensor in the inner on described test block body.
4. a kind of impact test block for shock resistance test according to claim 1, is characterized in that, the test block body bottom between described roller is provided with angle sheave.
5. according to a kind of impact test block for shock resistance test described in claim 1 ~ 4 any one, it is characterized in that, described test block body surface is provided with and is coated with the shell that increases its solidness, and wherein, hanger box, release draw ear to be all connected with this shell with roller groove.
6. a kind of impact test block for shock resistance test according to claim 5, is characterized in that, described shell is made by steel plate.
7. according to a kind of impact test block for shock resistance test described in claim 1 ~ 4 any one or 6, it is characterized in that, also comprise mate with roller for controlling the track of this impact test block direction of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320626413.1U CN203479492U (en) | 2013-10-11 | 2013-10-11 | Impact test block for impact resistance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320626413.1U CN203479492U (en) | 2013-10-11 | 2013-10-11 | Impact test block for impact resistance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479492U true CN203479492U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320626413.1U Expired - Fee Related CN203479492U (en) | 2013-10-11 | 2013-10-11 | Impact test block for impact resistance test |
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| Country | Link |
|---|---|
| CN (1) | CN203479492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707432A (en) * | 2020-05-13 | 2020-09-25 | 清华大学 | Protective impact performance testing device and measuring method for protective structure |
| CN113720220A (en) * | 2021-09-29 | 2021-11-30 | 北京理工大学 | Fragment recovery test device capable of testing residual speed and test method thereof |
-
2013
- 2013-10-11 CN CN201320626413.1U patent/CN203479492U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707432A (en) * | 2020-05-13 | 2020-09-25 | 清华大学 | Protective impact performance testing device and measuring method for protective structure |
| CN111707432B (en) * | 2020-05-13 | 2021-06-11 | 清华大学 | Protective impact performance testing device and measuring method for protective structure |
| CN113720220A (en) * | 2021-09-29 | 2021-11-30 | 北京理工大学 | Fragment recovery test device capable of testing residual speed and test method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20201011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |