CN208780564U - A kind of mobile assembled falling weight impact test device - Google Patents
A kind of mobile assembled falling weight impact test device Download PDFInfo
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- CN208780564U CN208780564U CN201821494701.5U CN201821494701U CN208780564U CN 208780564 U CN208780564 U CN 208780564U CN 201821494701 U CN201821494701 U CN 201821494701U CN 208780564 U CN208780564 U CN 208780564U
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- guide rail
- channel
- steel
- girder steel
- falling weight
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Abstract
The utility model relates to a kind of mobile assembled falling weight impact test devices, belong to shock resistance the field of test technology.The present apparatus includes test-bed, is dropped hammer and force snesor；Test-bed is made of channel steel base, guide rail, support rod and girder steel, and channel steel base is made of four channel steels；Guide rail is vertically arranged in channel steel base, is equipped with convex connecting plate every a distance on guide rail, and convex connecting plate is equipped with rectangular channel；Girder steel is fastened between guide rail and can slide up and down along the groove of guide rail；Support rod one end is inserted into rectangular channel, and other end insertion is laid in the slot on billet on the ground；It drops hammer and is fixed on girder steel, force snesor is fixed on lower surface of dropping hammer.Compared with traditional fabricated construction, many components of the present apparatus are easily obtained at the construction field (site), can be carried out field test in conjunction with field condition, be reduced transportation cost, reduce risk, increase economic efficiency, bring convenience.
Description
Technical field
The present invention relates to a kind of mobile assembled falling weight impact test devices, belong to shock resistance the field of test technology.
Background technique
In many developed countries, assembled architecture is the most important mode of building industrialization, it, which has, improves quality, contracting
Casual labourer's phase, it is energy saving, reduce consumption, clean manufacturing many advantages, such as.The novel city taking human as core that response country puts into effect
The call of townization construction pushes assembled architecture industrialization to a new stage.
Falling weight impact test is a kind of method for measuring concrete component response condition under Impact Load.It is both domestic and external
Many tests all carry out in laboratory.Traditional test method it is difficult to ensure that the drop point of jump bit fall every time all with floor center
Precise alignment；Jump bit can generate random secondary pulse after falling, and certain threat is caused to experimenter.
In existing falling weight impact test device, one kind is disclosed in Chinese invention patent specification CN106290013A
Fixed pulley formula falling weight impact test device, it includes two pairs of support frames, pilot sleeve, mandril, connecting rod (jump bit).Wherein, it props up
Support by same plane a vertical supporting column and two skewed horizontal load columns form, top is connected by mandril.Two guiding
Sleeve is connected by connecting rod, is respectively fitted on vertical supporting column.Connecting rod bottom centre is equipped with jump bit, and mandril bottom is equipped with fixed sliding
Wheel, drawstring passes through pulley and connecting rod holds connecting rod.Although the patent of invention ensure that test height is consistent, sleeve ensures jump bit
Drop point can precise alignment, reduce irregular secondary pulse, but in the biggish situation of impact force, support column is in connecting rod
It connects direction and generates moderate finite deformation, then lead to the error of drop point generation in this direction.Support frame and bottom plate are non-dismountable company
It connects,
A kind of falling weight impact test device, including impact are disclosed in Chinese invention patent specification CN205981946U
Frame, jump bit and impact ball.It impacts and is equipped with detachable positioning device at the top of frame chassis, it is mutual by four baffles and a protection board
It is formed by overlapping.Baffle around be seated on chassis by impact test piece and the test specimen is positioned, protection board distance should
Certain distance, which is arranged, above test specimen simultaneously positions impact ball, impact ball be located at immediately below jump bit and with impact test piece top
Contact.The patent of invention can quickly and accurately position test specimen and impact ball, find whereabouts center, but its sleeve is slotting
Sell inconvenient, it is possible to which danger is caused to experimenter.
It is disclosed in Chinese invention patent specification CN104897492A a kind of while being suitable for test concrete girder
The falling weight impact test method of test specimen and disk test specimen.It include drop hammer, test-bed, laser velocimeter system, displacement monitoring system
System, electronic counter, impact force acquisition system, displacement pedestal.The guide cylinder that drops hammer in test-bed is a transparent circular column,
It is connect, can be moved up and down with upright bar by four quarter butts and four fastening bolt casings.It drops hammer and hits force transfer ball along guide cylinder.Upright bar
It is fixed with steel plate base, indicates scale.Force transfer ball is placed in locator, is contacted at the top of bottom and test specimen.Biography is arranged at test specimen bottom
Power plate, dynamic pressure transducer are arranged between force transmitting board and steel sole plate.The patent of invention can find whereabouts center, guarantee test
Platform is horizontal, and freely falling can measure away from, drop impact speed, test specimen span centre displacement, impact force.But in the biggish feelings of weight of dropping hammer
Under condition, pulley operation is more difficult.Bottom plate can not be dismantled, mobile inconvenient.
Summary of the invention
In view of the deficiency of the prior art, present invention mainly solves technical problem be it is removable dismountable,
The falling weight impact test device that concrete floor absorbs impact kinetic energy under repeated stock load action can accurately be obtained.
The technical solution that the present invention proposes to solve above-mentioned technical problem is: a kind of mobile assembled falling weight impact test dress
It sets, including test-bed, drops hammer and force snesor；The test-bed is made of channel steel base, guide rail, support rod and girder steel,
The channel steel base is made of four channel steels, and the channel steel base bottom is equipped with trapezoidal backing plate, every a distance on the channel steel
Equipped with a universal wheel fixture；The guide rail is vertically arranged in the channel steel base, is equipped on the guide rail every a distance
Convex connecting plate, the convex connecting plate are equipped with rectangular channel；The girder steel is fastened between the guide rail and can lead along described
The groove of rail slides up and down, and the girder steel top surface is equipped with band long screw, and the band long screw is connected with remote control detacher；Institute
It states support rod one end to be inserted into the rectangular channel, other end insertion is laid in the slot on billet on the ground；It is described to fall
Hammer is fixed on the girder steel, and the force snesor is fixed on the lower surface of dropping hammer.
The further improvement of above scheme is: the girder steel both ends are respectively provided with a lateral screw hole, set across the screw hole
There is stay bolt, the stay bolt is equipped with idler wheel, and the girder steel is fastened in the groove of the guide rail by the idler wheel.
The further improvement of above scheme is: being reinforced between the channel steel by steel channel connector.
The further improvement of above scheme is: the guide rail top is equipped with dismountable hanger bar, pacifies between the guide rail
Equipped with steel plate support, the steel plate support is located at below the hanger bar, is disposed with fixed frame and displacement on the steel plate support
Meter, the displacement meter are fixed on the fixed frame.
The further improvement of above scheme is: the universal wheel fixture is connected with universal wheel module, the universal wheel module
Angle on adjustable vertical guide.
The further improvement of above scheme is: described drop hammer is fixed on the girder steel by reinforcing nut, the remote control
Detacher uses cable wire or rope hanging.
The beneficial effects of the present invention are:
(1) present apparatus uses detachable universal wheel, and movement is convenient, reduces disassembly process, easy to assembly.
(2) present apparatus structure is simple, using the component for being freely disassembled assembling, suitable for different height, size floor and
Different topographies.
(3) compared with traditional fabricated construction, many components of the present apparatus are easily obtained at the construction field (site), can be in conjunction with scene
Situation carries out field test, reduces transportation cost, reduces risk, increases economic efficiency, bring convenience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the front view of the embodiment of the present invention to drop hammer with girder steel.
Fig. 3 is the top view of the embodiment of the present invention to drop hammer with girder steel.
Fig. 4 is the girder steel of the embodiment of the present invention and the structural schematic diagram of guide rail.
Fig. 5 is the guide rail of the embodiment of the present invention and the structural schematic diagram of steel channel connector.
Fig. 6 is the support rod of the embodiment of the present invention and the structural schematic diagram of billet.
Fig. 7 is the structural schematic diagram of the billet of the embodiment of the present invention.
Fig. 8 is the structural schematic diagram of the universal wheel fixture of the embodiment of the present invention.
Fig. 9 is the structural schematic diagram of the channel steel base of the embodiment of the present invention.
Figure 10 is the structural schematic diagram of the force snesor of the embodiment of the present invention.
Figure 11 is the structural schematic diagram of the hanger bar of the embodiment of the present invention.
Figure 12 is the scheme of installation of the steel plate support of the embodiment of the present invention.
Figure 13 is the structural schematic diagram of the steel plate support of the embodiment of the present invention.
Figure 14 is the displacement meter of the embodiment of the present invention and the structural schematic diagram of fixed frame.
Figure label: dropping hammer 1, girder steel 2, band long screw 3, idler wheel 4, force snesor 5, guide rail 6, and steel channel connector 7 is convex
Type connecting plate 8, support rod 9, billet 10, slot 11, channel steel base 12, universal wheel fixture 13, universal wheel module 14 reinforce spiral shell
Mother 15, hanger bar 16, displacement meter 17, fixed frame 18, steel plate support 19.
Specific embodiment
Below against attached drawing, by the description of embodiment, to for example related each section of a specific embodiment of the invention
Between mutual alignment and connection relationship, the effect of each section and working principle, method etc., be described in further detail, with
Those skilled in the art are helped to have more complete, accurate and deep understanding to design of the invention, technical solution.
Embodiment
As shown in Figures 1 to 9, a kind of mobile assembled falling weight impact test device and installation method, including test-bed,
Drop hammer 1 and force snesor 5；Test-bed is made of channel steel base 12, guide rail 6, support rod 9 and girder steel 2.
As shown in Fig. 4 to Fig. 5, channel steel base 12 is made of four channel steels, and 12 bottom of channel steel base is equipped with trapezoidal backing plate, slot
A universal wheel fixture 13 is equipped with every a distance on steel.Guide rail 6 is vertically arranged in channel steel base 12, every one section on guide rail 6
Distance is equipped with convex connecting plate 8, and convex connecting plate 8 is equipped with rectangular channel.
As shown in Figure 2 to Figure 3, band stay bolt 3 is fixed in the screw hole that girder steel 2 is accomplished fluently in advance, then places girder steel 2
In 1 top surface of dropping hammer, center and centering are found.It band stay bolt 3 is passed through into girder steel 2 is inserted into cylinder and drop hammer 1, and by reinforcing spiral shell
Mother 15 is fixed.It is remotely controlled detacher and connects band stay bolt 3.
As shown in fig. 6, other end insertion is laid on billet 10 on the ground in 9 one end of support rod insertion rectangular channel
Slot 11 in；It drops hammer and 1 is fixed on girder steel 2, force snesor 5 is fixed on 1 lower surface of dropping hammer.
As shown in Figure 10, force snesor 5 is spoke type force snesor.
As shown in Figures 2 and 3,2 both ends of girder steel are respectively provided with a lateral screw hole, pass through screw hole and are equipped with stay bolt, stay bolt
It is equipped with idler wheel 4, girder steel 2 is fastened in the groove of guide rail 6 by idler wheel 4.
As shown in figure 9, being reinforced between channel steel by steel channel connector 7.
As shown in Fig. 1 and Figure 11,6 top of guide rail is equipped with dismountable hanger bar 16.
As shown in Figure 12 and Figure 13, steel plate support 19 is installed, steel plate support 19 is located under hanger bar 16 between guide rail 6
Side.
As shown in figure 14, fixed frame 18 and displacement meter 17 are disposed on steel plate support 19, displacement meter 17 is fixed on fixed frame
On 18.
As shown in figure 8, universal wheel fixture 13 is connected with universal wheel module 14, on the adjustable vertical guide of universal wheel module 14
Angle.
The present invention is not limited to the above embodiment.All technical solutions formed using equivalent replacement, are all fallen within the present invention and wanted
The protection scope asked.
Claims (6)
1. a kind of mobile assembled falling weight impact test device, it is characterised in that: including test-bed, drop hammer and force snesor；
The test-bed is made of channel steel base, guide rail, support rod and girder steel, and the channel steel base is made of four channel steels, described
Channel steel base bottom is equipped with trapezoidal backing plate, is equipped with a universal wheel fixture every a distance on the channel steel；The guide rail is vertical
It is arranged in the channel steel base, is equipped with convex connecting plate every a distance on the guide rail, the convex connecting plate is equipped with
Rectangular channel；The girder steel is fastened between the guide rail and can slide up and down along the groove of the guide rail, and the girder steel top surface is set
There is band long screw, the band long screw is connected with remote control detacher；Described support rod one end is inserted into the rectangular channel, separately
One end insertion is laid in the slot on billet on the ground；Described drop hammer is fixed on the girder steel, the force snesor
It is fixed on the lower surface of dropping hammer.
2. mobile assembled falling weight impact test device according to claim 1, it is characterised in that: the girder steel both ends are each
Equipped with a lateral screw hole, passes through the screw hole and be equipped with stay bolt, the stay bolt is equipped with idler wheel, and the girder steel passes through described
Idler wheel is fastened in the groove of the guide rail.
3. mobile assembled falling weight impact test device according to claim 1, it is characterised in that: lead between the channel steel
Cross steel channel connector reinforcing.
4. mobile assembled falling weight impact test device according to claim 1, it is characterised in that: the guide rail top is set
There is dismountable hanger bar, steel plate support is installed between the guide rail, the steel plate support is located at below the hanger bar, institute
It states and is disposed with fixed frame and displacement meter on steel plate support, the displacement meter is fixed on the fixed frame.
5. mobile assembled falling weight impact test device according to claim 1, it is characterised in that: the universal wheel fixture
It is connected with universal wheel module, the angle on the adjustable vertical guide of universal wheel module.
6. mobile assembled falling weight impact test device according to claim 1, it is characterised in that: described to drop hammer by adding
Gu nut is fixed on the girder steel, the remote control detacher uses cable wire or rope hanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494701.5U CN208780564U (en) | 2018-09-13 | 2018-09-13 | A kind of mobile assembled falling weight impact test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821494701.5U CN208780564U (en) | 2018-09-13 | 2018-09-13 | A kind of mobile assembled falling weight impact test device |
Publications (1)
| Publication Number | Publication Date |
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| CN208780564U true CN208780564U (en) | 2019-04-23 |
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ID=66160879
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| CN201821494701.5U Active CN208780564U (en) | 2018-09-13 | 2018-09-13 | A kind of mobile assembled falling weight impact test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021164391A1 (en) * | 2020-02-17 | 2021-08-26 | 浙江大学 | Pulley block amplification-acceleration-type assembly-type drop hammer test system |
-
2018
- 2018-09-13 CN CN201821494701.5U patent/CN208780564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021164391A1 (en) * | 2020-02-17 | 2021-08-26 | 浙江大学 | Pulley block amplification-acceleration-type assembly-type drop hammer test system |
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