CN207610968U - Concrete permeable coefficient measuring instrument - Google Patents

Abstract

The utility model provides a kind of permeation coefficient of permeable concrete analyzer, including main body installation frame；Main body installation frame top is equipped with water tank type test block fixture, and middle part, which is equipped with, penetrates water collecting means, and lower part setting penetrates water route, and weighing container and tank is arranged in bottom；Main body installation frame side is equipped with electronic control unit；Water tank type test block fixture includes that can be opened and closed clamping plate and clamping plate open and close control mechanism；Each clamping plate inner face is equipped with elastomeric layer；Clamping plate is equipped with water inlet and overflow port；It is divided into drainpipe and metering water pipe through water route, and solenoid valve is set for switching flow between drainpipe and metering water pipe；The external lower water of drainpipe, metering water pipe are passed through weighing container；Control button, control circuit and relay is at least arranged in electronic control unit；Control circuit penetrates the flow direction of water with relay control electromagnetism Vavle switching.The instrument for measuring permeability coefficient of the utility model has very high test convenience and accuracy, easy to operate, time saving and energy saving.

Description

Concrete permeable coefficient measuring instrument

Technical field

The utility model is related to the permeable systems of a kind of construction material device for determining permeation coefficient more particularly to a kind of concrete Number analyzer.

Background technology

Concrete refers to by cementitious material by the general designation of the cementing integral engineered composite material of aggregate.Concrete is building Purposes is most wide in engineering, a kind of maximum construction material of dosage.Pervious concrete is also known as celluar concrete, non-fine concrete or saturating Water terrace is mutually to be bonded by coarse aggregate surface cladding a thin layer cement mortar and form the equally distributed honeycomb structure in hole, Therefore have the characteristics that ventilative, permeable and light-weight.Pervious concrete is directed to the road surface of former urban road by American-European, Japan and other countries Defect and develop use, rainwater can be allowed to flow into underground, can effective recharge of groundwater, the level of ground water for alleviating city drastically declines Urban Environmental Problem, and the harm of the environmental pollutions such as the oil compounds on ground can be effectively eliminated.Conventional is permeable mixed Solidifying soil possesses the hole of 15%-25%, and permeable speed can be made to reach 31-52 and rise every meter per hour, significantly larger than most effective Rate of discharge of the rainfall under classic draining configuration.Therefore, pervious concrete is considered as protection underground water, safeguards ecology Balance alleviates urban heat land effect, builds the excellent construction material in sponge city.

Coefficient of permeability is to reflect the index of pervious concrete water penetration, and reflect the key index of pervious concrete performance One of, it situations such as it reflects the size of material internal hole, quantity, distribution and connection, typically refers under fixed water level, For pervious concrete by the permeable amount on unit area within the unit interval, unit is that millimeter is per second.Therefore, coefficient of permeability is also referred to as Most important testing index in being researched and developed for pervious concrete.Also have and be not fixed head, described under conditions of firm discharge permeable The method of concrete permeable performance.This method is chiefly used in the relatively poor concrete of water permeability.Currently, for permeable coagulation The test of native coefficient of permeability, different researchers develops different instrument and equipments based on roughly the same principle, but these set All test specimen being placed in the sink of a larger carry potential overflow mouth in standby, water when measurement through test specimen can enter the overflow groove, The coefficient of permeability of test specimen is calculated by measuring to be through water in overflow groove and squeeze the water of spilling slot.But this kind of equipment is not Enough maturations, sink depth is different, and squeeze pressure is different, and sink width is different, and the water for squeezing spilling slot is unstable, thoroughly Water test specimen lateral fluid side leakage not environmentally and is answered there are complicated, cumbersome, measurement error is larger, waste water resource The problems such as being limited with occasion.

Therefore, it is necessary to which the improvement by structure overcomes above-mentioned technical problem, the section of coefficient of permeability measurement is further increased The property learned and accuracy.

Utility model content

The purpose of this utility model is that：A kind of measurement device of permeation coefficient of permeable concrete is provided, can be overcome existing The number of drawbacks for having equipment further decreases operation difficulty, improves measuring accuracy.

Technical solution is used by the utility model realizes above-mentioned purpose：

First, a kind of device measuring permeation coefficient of permeable concrete, including main body installation frame, the main body are provided Installation frame top is equipped with water tank type test block fixture, and middle part, which is equipped with, penetrates water collecting means, and lower part setting penetrates water route, bottom setting Weighing container and tank with water pump；Main body installation frame side is equipped with electronic control unit；

The water tank type test block fixture, which includes a pair, can be opened and closed clamping plate and clamping plate open and close control mechanism；Described a pair can The upright barrel that bottom end opens is formed after being opened and closed jaws close, depth is not less than 2 times of height of specimen；In each clamping plate Surface is equipped with elastomeric layer；The clamping plate bottom end that is opened and closed is equipped with the limit rib for preventing test specimen from dropping；On the clamping plate Half portion is equipped with water inlet and overflow port；The water pump of the water inlet connection tank；The overflow port passes through The pipeline connection tank；

Described is arranged through water collecting means below the water tank type test block fixture, and opening area is more than described thereon The lower end open area formed after jaws close can be opened and closed；

Described is divided into drainpipe and metering water pipe through water route, and solenoid valve is arranged in drainpipe and metering water pipe Between switch flow；The external lower water of the drainpipe, the metering water pipe are passed through the weighing container；The weighing is held Device connects the tank by pipeline with electric control valve；

Control button, control circuit and relay is at least arranged in the electronic control unit；The control circuit with it is described Relay electrical connection, the relay be electrically connected with the solenoid valve, and the flow direction in water route through water is penetrated with control Switching.

In the embodiment of the utility model, the concrete form of the main body installation frame does not have special restriction, Ke Yishi Skeleton, table type or box-type；The shape is also not particularly limited, and can be integrally in cylinder or square column or the two In conjunction with.In the preferred scheme of the utility model, the main body installation frame is the square box that surface is provided with several holes；It is described Water tank type test block fixture be fixedly mounted on the babinet upper surface, it is described through water route, weighing container and with the storage of water pump Water container is all placed in the box house；The hole through water collecting means through the babinet upper surface is mounted on the water Immediately below box test block fixture.

In the embodiment of the utility model, the effect of the water tank type test block fixture be will set head, fixed test block and Test block side seal integration.After between test block is put into clamping plate, jaws close, the extruding force that a pair of of clamping plate is provided by outside will be tried Block clamps in the horizontal direction, so that test block is fixed on lower part in the cylinder of clamping plate formation vertically, at this time the elastic material of clamping plate inner face Layer can fill and close the hole of test block side surface well, and side seal is also achieved while completing fixed to test block, with This directly forms test head, as a result, by described in the utility model in cylinder more than test block after the water filling of space simultaneously Water tank type test block fixture completes fixation and the side seal of setting, the test block of head in which can achieve many things at one stroke.

So the concrete form of water tank type test block fixture described in the utility model does not limit specifically, described one It can be symmetrical or asymmetric to clamping plate, can also be able to be in cylinder in square tube after closure；The clamping plate open and close control Mechanism can be any one or a few in latching device, lever mechanism or screw mechanism combination with slideway；The bullet Property material layer elastic material type also without spy become limitation, hardness be not more than 40 degree of shore hardness various elastic materials. As long as being capable of providing the enough clamping forces of horizontal direction, the elastomeric layer inside clamping plate has enough elasticity and thickness, closure There is sufficient space to form the sub-assembly of head in cylinder afterwards, just all can serve as the water tank type test block fixture of the utility model.

In the preferred scheme of the utility model, a pair of of clamping plate is made of symmetrical clamping plate one and clamping plate two, horizontal The equal Cheng " ∟ in section " shapes；The clamping plate open and close control mechanism includes square frame, horizontal slide, sliding block, lever and screws spiral shell Bar；The square frame is fixedly mounted on the square box upper surface, opens on one side, opposite side inside and the clamping plate It is fixedly connected in the middle part of one ridge side, the horizontal slide described in remaining arbitrary one side or both sides setting；It is sliding in the horizontal slide The dynamic connection sliding block, the sliding block are fixedly connected in the middle part of two outer surface of clamping plate；Lever one end pin joint It is equipped with the side of horizontal slide in the square frame, lever middle contacts in the middle part of the ridge side of the clamping plate two when horizontally rotating, and pushes away Dynamic clamping plate two is slided along horizontal slide to clamping plate one, to realize the closure of a pair of of clamping plate；The screw rod that screws is fixedly mounted on On the square frame, when clamping plate two is pushed into be closed with clamping plate one by the lever, the screw rod that screws can be with the thick stick The turning end of bar is spirally connected, and a pair of of clamping plate can be further locked by screw-fashion pushes lever.The horizontal slide can To be arranged on one side in the square frame, can also be arranged on the parallel both sides of square frame, in the utility model preferably Horizontal slide is set in described two parallel edges of square frame, to ensure the stability of the sliding of clamping plate two.At this point, the water Box test block fixture farthest can apply pressure to four sides of test block in clamping process, and elastomeric layer is made to fill Each side of test block is closed in enfeoffment, reduces the generation of test block side water leakage situation in test process as far as possible.

In scheme described in the utility model, the overflow port of water tank type test block fixture is positioned above the clamping plate of test block position On, quantity, shape and the specific location of setting can there are many, for example, several different heights longitudinally spaced can be arranged Overflow port only can also be arranged an overflow port in highest order, an elongated longitudinally through formula overflow port can also be arranged；Institute The overflow mouth-shaped stated can also be circle hole shape, flat rectangular etc..For the utility model preferably in a kind of scheme, described is a certain 3 flat rectangular overflow ports are set longitudinally spacedly on clamping plate the same face；3 flat rectangular overflow ports pass through pipe respectively Road connects tank, or switches as needed with the same pipeline for being connected to tank and connect.

In the preferred scheme of the utility model, transparent windows are further set on the clamping plate, for observing head Situation of change；More preferably graduation mark, the amplitude of variation of auxiliary observation head are further set on the transparent windows.

In the preferred scheme of the utility model, the electronic control unit is further provided with computing chip, memory and display Screen；The computing chip is electrically connected with the weighing container, for receiving the data from weighing container and by default Program processing data；The memory is for storing data；The display screen is for showing result of calculation.

In the further preferred scheme of the utility model, the control circuit includes water pump digital-control circuit and relay control Circuit processed；The water pump digital-control circuit is electrically connected with the water pump in the tank, and institute is controlled for high-precision digital State the flow of water pump；The control relay circuit controls the solenoid valve through water route and weighing by relay respectively The electric control valve of container.At this point, the electronic control unit can be with the water pump in Precise control tank, and then subtly adjust Save the inflow in fixture type head setting device；And control penetrates waterway electromagnetic valve at any time as needed under pre-set programs, Control obtains the weighing data and result of calculation of arbitrarily desired period through the flow direction of water.

Permeation coefficient of permeable concrete analyzer application method described in the utility model, includes the following steps：

1) take pervious concrete test block, select the floating face of test block as determination block above, i.e. aspect of measure, lap conduct A pair of of clamping plate of the water tank type test block fixture is opened in side, by test block be close to the clamping plate inner face be placed on it is described On limit rib, a pair of of clamping plate is clamped and locked by clamping plate open and close control mechanism, completes fixation and the side seal of test block；

2) by the flow through water route to be set as enter the drainpipe；The water pump of tank is opened, By water inlet water filling into the water tank type test block fixture, water filling while, a part of water penetrated downwards test block, Another part water is discharged from the overflow port when necessary, observes the water level in water tank type test block fixture, adjusts the water pump Flow makes the level changing amplitude in water tank type test block fixture keep within a preset range, completing head setting；

3) it will transmit through flow and weigh preset time to the metering water pipe, weighing container is switched to from the drainpipe The examination is calculated further according to parameters such as area, the head liquid levels of test block aspect of measure in the water for inside carrying out self-measuring water pipe The coefficient of permeability of block.

Analyzer described in the utility model controls pump capacity, control by the way that digital-control circuit high-precision digital is arranged Precision is per second up to 0.01 liter.With can the realizing fast accurate at this time liquid level in regulating tank formula test block fixture, makes water The test used time is greatly saved in rapid held stationary；It will be further appreciated that adjusting pump capacity, this reality by high-precision With head height can be set in arbitrary height in novel assay method, head height depends no longer on the height of overflow port Degree, so as to the measurement being readily achieved under arbitrary head height, has broken the limitation of traditional sensing equipment.Meanwhile Firm discharge can also be used, the method for being not fixed head measures water permeability.

Compared with prior art, the instrument for measuring permeability coefficient of the utility model has various advantageous effects, main body Now：

1, test block is fixed, side seal and head are set by water tank type test block fixture integration realization, test block did not both need Independent side seal processing is carried out, also need not specially be fixed using independent accessory, cost the time required to side seal is greatly saved, Reduce the sealing cost and leak risk that assembled belt is come between accessory.Keep continuous mode more convenient.Moreover, passing through machine Elastomeric layer is continued jam-packed by tool power to test block side, it can be ensured that test block lateral apertures have non-in entire test process Normal ideal sealing effect, with sealed with wax in the prior art to test block side or the closed mode of coating compared with, can be time saving Effortlessly reduce caused error of leaking hunting.Meanwhile this analyzer is non-destructive determination, completes the test specimen after coefficient of permeability measures, also The test specimen that can be used as compressive mechanical property measurement, reduces human error to the maximum extent.

2, by automatically controlled switching through flow to simplifying the operation in continuous mode, default can measure each section Individually being measured through water in the time not only reduces the volume requirement of weighing container, nor needs continually Instrument is closed to empty weighing container.This analyzer can also arbitrarily switch in the case where determining head and indefinite water first two form, with Ensure the needs of different tests and research work.

Description of the drawings

Fig. 1 is the overall structure diagram of 1 instrument for measuring permeability coefficient of embodiment.

Fig. 2 is structural schematic diagram when the fixture type water tank of 1 instrument for measuring permeability coefficient of embodiment is closed.

Fig. 3 is structural schematic diagram when the fixture type water tank of 1 instrument for measuring permeability coefficient of embodiment is opened.

Fig. 4 is the fixture type water tank structure schematic diagram of 1 instrument for measuring permeability coefficient of embodiment.

Fig. 5 is 1 instrument for measuring permeability coefficient of embodiment through waterway structure schematic diagram.

Specific implementation mode

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but the utility model It is not limited to these examples.

Embodiment 1

A kind of permeation coefficient of permeable concrete measurement device, as shown in Figure 1, it generally comprises integral box 1, fixture type water Case 2, through water collection funnel 3, through water lines 4, weigh bucket 5, water tank 6, electric cabinet 7 and touch screen type micro-computer 8.

Fixture type water tank 2, as shown in Figure 2,3, 4, including square frame 20, right angle splint 1, right angle splint 2 22, water Smooth road 23, sliding block 24, lever 25 and screw screw rod 26；Right angle splint 1 is identical with 2 22 specification of right angle splint, after closure The upright square tube that bottom end opens is formed, depth is more than or equal to 2 times of specimen thickness；Right angle splint 1 and right angle splint 2 22 Inner surface is equipped with elastomeric layer 27；One 21 bottom end of right angle splint is equipped with the limit rib 28 for preventing test specimen from dropping；Right angle splint one 21 face is equipped with water inlet 211, another face is equipped with is arranged 3 flat rectangular overflow ports 212 longitudinally spacedly；Into The mouth of a river 211 connects the water pump of water tank 6 by water pipe 9；In three overflow ports 212, there are two being equipped with plug 213, another It is connected to the water pipe 9 for being connected to water tank 6；Transparent windows 221, transparent windows are set on two faces of right angle splint 2 22 Graduation mark 222, the amplitude of variation for observing head are set on 221.As shown in Fig. 2,3,4, square frame 20 is fixedly mounted It in 1 upper surface of integral box, opens on one side, on the inside of opposite side in the middle part of the ridge side of welding right angle splint 1, water is arranged in remaining both sides Smooth road 23；Be slidably connected sliding block 24 in horizontal slide 23, and sliding block 24 welds in the middle part of 2 22 outer surface of right angle splint；Lever 25 1 End is pinned on square frame 20, when horizontally rotating in the middle part of the ridge side of 25 middle part contact right angle splint 2 22 of lever, pushes right angle Clamping plate 2 22 is slided along horizontal slide to right angle splint 1, to realize the closure of a pair of of clamping plate；Screw the fixed installation of screw rod 26 On square frame 20, when right angle splint 2 22 is pushed into be closed with right angle splint 1 by lever 25, screwing screw rod 26 can be with The turning end of lever 25 is spirally connected, and further can push lever 25 by screw-fashion, and then lock a pair of of clamping plate.

As shown in Figure 1, under being mounted on fixture type water tank 2 just through the hole of 1 upper surface of integral box through water collection funnel 3 Side, the square tube lower end open area that opening area is formed after being closed more than right angle splint 1 and right angle splint 2 22 thereon；

As shown in figure 5, dividing for drainpipe 41 through water lines 4 and measuring water pipe 42, and solenoid valve 43 is set for arranging Switch flow between water pipe and metering water pipe；The external lower water of drainpipe 41, metering water pipe 42, which is passed through, weighs bucket 5；It weighs bucket 5 and passes through water Pipe 9 and electric control valve 51 connect water tank 6；

Relay is equipped in electric cabinet 7；Touch screen type micro-computer 8 is equipped with computing chip, memory and touch display screen；It calculates Chip is electrically connected with bucket 5 is weighed, for receiving from the data for weighing bucket 5 and handling data by pre-set programs；Memory is used In storage data；Touch display screen is for inputting instruction and showing result of calculation.The also built-in water pump numerical control electricity of touch screen type micro-computer 8 Road and control relay circuit；Water pump digital-control circuit is electrically connected with the water pump in water tank 6, and water is controlled for high-precision digital The flow of pump；Control relay circuit through the solenoid valve 43 of water lines and weighs the automatically controlled of bucket 5 by relay control respectively Valve 51.The electronic control unit can be with the water pump in Precise control tank, and then subtly alignment jig formula head Inflow in setting device；And control at any time penetrates waterway electromagnetic valve as needed under pre-set programs, control is through water Flow direction obtains the weighing data and result of calculation of arbitrarily desired period.

The part that do not addressed in the utility model uses or uses for reference prior art and can be realized.

In the description of the present invention, it should be understood that term "center", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", " back of the body ", "bottom" "inner", "outside" is orientation based on ... shown in the drawings or position Relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

Specific embodiment described herein is only the spiritual example explanation to the utility model.This practicality Novel person of ordinary skill in the field can make various modifications or additions to the described embodiments or adopt It is substituted with similar mode, but without departing from the spirit of the present application or surmounts model defined in the appended claims It encloses.

Claims (8)

1. a kind of concrete permeable coefficient measuring instrument, including main body installation frame, the main body installation frame top is equipped with water Box test block fixture, middle part, which is equipped with, penetrates water collecting means, and lower part setting penetrates water route, and bottom is arranged weighing container and with water pump Tank；Main body installation frame side is equipped with electronic control unit；

The water tank type test block fixture, which includes a pair, can be opened and closed clamping plate and clamping plate open and close control mechanism；Described a pair can be opened and closed The upright barrel that bottom end opens is formed after jaws close, depth is more than or equal to 2 times of specimen thickness；Table in each clamping plate Face is equipped with elastomeric layer；The clamping plate bottom end that is opened and closed is equipped with the limit rib for preventing test specimen from dropping；The clamping plate upper half Portion is equipped with water inlet and overflow port；The water pump of the water inlet connection tank；The overflow port passes through pipe The road connection tank；

Described is arranged through water collecting means below the water tank type test block fixture, and opening area is more than described open thereon Close the lower end open area formed after jaws close；

Described is divided into drainpipe and metering water pipe through water route, and solenoid valve is arranged for being cut between drainpipe and metering water pipe Change flow；The external lower water of the drainpipe, the metering water pipe are passed through the weighing container；The weighing container is logical Piping connects the tank with electric control valve；

Control button, control circuit and relay is at least arranged in the electronic control unit；The control circuit with it is described after Electric appliance is electrically connected, and the relay is electrically connected with the solenoid valve, is switched through the flow direction of water through in water route with controlling.

2. analyzer described in claim 1, it is characterised in that：The main body installation frame is the side that surface is provided with several holes Shape babinet；A pair of of clamping plate is made of symmetrical clamping plate one and clamping plate two, the equal Cheng " ∟ in cross section " shape；The clamping plate Open and close control mechanism includes square frame, horizontal slide, sliding block, lever and screws screw rod；The square frame is fixedly mounted It in the square box upper surface, opens, is fixedly connected in the middle part of the ridge side of the clamping plate one on the inside of opposite side on one side, remaining is appointed Meaning is on one side or the horizontal slide is arranged in both sides；Be slidably connected the sliding block in the horizontal slide, the sliding block It is fixedly connected in the middle part of two outer surface of clamping plate；Described lever one end is pinned at the square frame and is equipped with horizontal slide Side, lever middle contacts in the middle part of the ridge side of the clamping plate two when horizontally rotating, and clamping plate two is pushed to be slided to clamping plate one along horizontal slide It is dynamic, to realize the closure of a pair of of clamping plate；The screw rod that screws is fixedly mounted on the square frame, will be pressed from both sides in the lever It is described to screw screw rod and be spirally connected with the turning end of the lever when plate two is pushed into be closed with clamping plate one, it can further pass through rotation Stubborn mode pushes lever and then locks a pair of of clamping plate.

3. analyzer described in claim 1, it is characterised in that：3 are arranged longitudinally spacedly on a certain clamping plate the same face A flat rectangular overflow port；3 flat rectangular overflow ports respectively by pipeline connect tank, or be connected to The same pipeline of tank switches connection as needed.

4. analyzer described in claim 1, it is characterised in that：The hardness of the elastic material of the elastomeric layer is not more than 40 degree of shore hardness.

5. the analyzer described in claim 1-4 any one, it is characterised in that：Transparent sight is further set on the clamping plate Window is examined, for observing change of water level situation.

6. the analyzer described in claim 5, it is characterised in that：Graduation mark, auxiliary observation are set on the transparent windows The amplitude of variation of head.

7. analyzer described in claim 1, it is characterised in that：The electronic control unit is further provided with computing chip, storage Device and display screen；The computing chip is electrically connected with weighing container, for receiving the data from weighing container and by pre- If program processing data；The memory is for storing data；The display screen is for showing result of calculation.

8. the analyzer described in claim 1,2,3,4,6 or 7 any one, it is characterised in that：The control circuit includes Water pump digital-control circuit and control relay circuit；The water pump digital-control circuit is electrically connected with the water pump in the tank, The flow of the water pump is controlled for high-precision digital；Described in the control relay circuit is controlled by relay respectively The electric control valve of solenoid valve and weighing container through water route.