CN207610964U - Water tank type piece fixture for measuring concrete permeable coefficient - Google Patents

Abstract

The utility model provides a kind of water tank type piece fixture for measuring concrete permeable coefficient, including a pair can be opened and closed clamping plate and clamping plate open and close control mechanism；Described a pair forms the upright barrel that bottom end opens after being opened and closed jaws close, and depth is not less than 2 times of height of specimen；Each clamping plate inner 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 first half is also at least provided with water inlet.When coefficient of permeability of the water tank type piece fixture of the utility model for pervious concrete measures, setting head, fixed test block and test block side seal integration can further reduced operation difficulty, improve measuring accuracy.

Description

Water tank type piece fixture for measuring concrete permeable coefficient

Technical field

The utility model is related to a kind of devices for concrete permeable coefficient determination, more particularly to one kind being used for concrete Coefficient of permeability measures test piece fixing device used.

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%, can make permeable speed reach 31-52 liters/m/h, significantly larger than most effective drop Rate of discharge of the rain under classic draining configuration.Therefore, pervious concrete is considered as protection underground water, safeguards that ecology is flat Weighing apparatus 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, Pervious concrete passes through the permeable amount on unit area, unit mm/s within the unit interval.Therefore, coefficient of permeability is also referred to as saturating Most important testing index in the research and development of water coagulation soil.Also have and be not fixed head, permeable coagulation is described under conditions of firm discharge The method of native water permeability.This method is chiefly used in the relatively poor concrete of water permeability.Currently, saturating for pervious concrete The test of water coefficient, different researchers develop different instrument and equipments, the focus packet of research and development based on roughly the same principle The effective fixation for how realizing test specimen and side seal are included, and how to obtain stable head difference.Existing various sensing equipments In research and development, often solved respectively by designing and processing different components the technical issues of these two aspects, practical application It when operation, similarly needs to handle respectively, causes equipment manufacturing costs high, continuous mode is complicated, and error is big.

Therefore, it is necessary to provide a kind of new device measured for coefficient of permeability, coefficient of permeability can be further increased The convenience of measurement saves minute, reduces equipment cost.

Utility model content

The purpose of this utility model is that：A kind of water tank type piece fixture for measuring concrete permeable coefficient is provided, The number of drawbacks that existing equipment can be overcome further decreases operation difficulty, improves measuring accuracy.

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

A kind of water tank type piece fixture for measuring concrete permeable coefficient is provided, including a pair can be opened and closed clamping plate and folder Plate open and close control mechanism；Described a pair forms the upright barrel that bottom end opens after being opened and closed jaws close, and depth is not less than examination 2 times of part height；Each clamping plate inner face is equipped with elastomeric layer；It is described be opened and closed clamping plate bottom end and be equipped with prevent from trying The limit rib of part tenesmus；The clamping plate first half is also at least provided with water inlet.

When coefficient of permeability of the water tank type piece fixture of the utility model for pervious concrete measures, water can will be set Head, fixed test block and test block side seal integration.After between test block is put into clamping plate, jaws close, a pair of of clamping plate is carried by outside The extruding force of confession clamps test block in the horizontal direction, so that test block is fixed on lower part in the cylinder of clamping plate formation vertically, at this time in clamping plate The elastomeric layer on surface can fill and close the hole of test block side surface well, while completing fixed to test block Side seal is realized, at the same time, test head is directly formd after the water filling of space in cylinder more than test block, passes through this as a result, Fixture type head assignment component described in utility model completes fixation and the side of setting, the test block of head in which can achieve many things at one stroke Envelope.

In the embodiment of the utility model, the concrete form of a pair of of clamping plate is not particularly limited, and can be symmetrical Or it is asymmetric, can also be able to be in cylinder in square tube after closure.

In the embodiment of the utility model, the clamping plate open and close control mechanism can be that by control clamping plate opening and closing Various structures, such as can be any one or a few in latching device, lever mechanism or screw mechanism combination with slideway.

In the embodiment of the utility model, the elastic material type of the elastomeric layer is also without the limitation of spy's change, firmly Various elastic materials of the degree no more than 40DURO may be used to the utility model.

In short, as long as the cooperation by clamping plate and clamping plate open and close control mechanism is capable of providing the enough clampings of horizontal direction Elastomeric layer inside power, clamping plate has the combination for having after enough elasticity and thickness, closure sufficient space to form head in cylinder Part all can serve as the water tank type piece fixture of the utility model.

Preferably in a kind of scheme, a pair of of clamping plate is made of the utility model symmetrical clamping plate one and clamping plate two, The equal Cheng " ∟ in its cross section " shapes；The clamping plate open and close control mechanism includes square frame, horizontal slide, sliding block, lever and rotation Tight screw rod；The square frame, opens on one side, and opposite side is fixedly connected with one outer surface of right angle splint, remaining is arbitrary on one side Or the horizontal slide that both sides setting is described；Be slidably connected the sliding block in the horizontal slide, and the sliding block, which is fixed, to be connected Connect two outer surface of clamping plate；Described lever one end is pinned at the side that the square frame is equipped with horizontal slide, and level turns Lever middle contacts the ridge side of the clamping plate two when dynamic, pushes clamping plate two to be slided to clamping plate one along horizontal slide, to realize a pair The closure of clamping plate；The screw rod that screws is fixedly mounted on the square frame, and clamping plate two is pushed into and is 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 one is closed, can thick stick further be pushed by screw-fashion Bar and then a pair of of clamping plate of locking.

The utility model is preferably in another scheme, and a pair of of clamping plate is by two structure of symmetrical clamping plate one and clamping plate At the equal Cheng " ∟ in cross section " shape；The clamping plate open and close control mechanism include square frame, horizontal slide, sliding block, runner and Screw screw rod；The square frame is fixedly connected with one outer surface of right angle splint on one side, and opposite side horizontal direction is spirally connected described Screw screw rod；The horizontal slide is respectively set in remaining both sides；Be slidably connected the sliding block in the horizontal slide, institute The sliding block stated is fixedly connected with two outer surface of right angle splint；The ridge side for screwing screw rod one end pin joint right angle splint two, separately One end is externally provided with runner in the direction frame；The runner rotation screw rod that screws keeps right angle splint two sliding along level Road slidably reciprocates, and realizes the opening and closing of a pair of of clamping plate.

The horizontal slide can be on one side arranged in the square frame, can also square frame it is parallel two Side is arranged, and horizontal slide preferably is arranged in described two parallel edges of square frame in the utility model, to ensure that clamping plate two is slided Dynamic stability.At this point, the fixture type head assignment component in clamping process can be farthest to the four of test block A side applies pressure, makes each side of elastomeric layer adequate closure test block, reduces test block in test process as far as possible The generation of side water leakage situation.

In the preferred scheme of the utility model, it is also further provided with overflow port higher than test block position on the clamping plate, is used In preventing, the water level in fixture is excessively high to be overflowed around.

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.

Compared with prior art, water tank type piece fixture described in the utility model can measure existing coefficient of permeability Setting head, test specimen in method are fixed and the integration in the same equipment of three elements of test specimen side seal solves, and test specimen was both Independent side seal processing need not be carried out, also need not specially be fixed using independent accessory, the time required to side seal is greatly saved Cost also reduces the sealing cost and leak risk of assembled belt between accessory.Keep continuous mode more convenient.And And elastomeric layer is continued by jam-packed to test block side by mechanical force, it can be ensured that the test block side in entire test process Hole has ideal sealing effect, and is sealed with wax in the prior art to test block side or the closed mode phase of coating Than that can reduce test specimen time saving and energy savingly and leak hunting caused error.Meanwhile this analyzer is non-destructive determination, completes coefficient of permeability Test specimen after measurement is alternatively arranged as the test specimen of compressive mechanical property measurement, reduces human error to the maximum extent.

The water tank type piece fixture of the utility model can with through water collecting device, measuring equipment, plumbing equipment etc. Other measure equipment common combination necessary to coefficient of permeability and use, wherein are connected by the water inlet of the utility model fixture Water work, described be placed on through water collecting device below the fixture of the utility model penetrate water to collect, are collected into It can be delivered to measuring equipment metering through water；The utility model fixture equipped with overflow port is set by overflow port connection draining It is standby.

In use, take pervious concrete test specimen, select the floating face of test specimen as determination block above, i.e. aspect of measure, remaining A pair of of clamping plate of the water tank type piece fixture is opened as side in face, and test specimen is close to the clamping plate inner face and is placed On the limit rib, a pair of of clamping plate is clamped and locked by clamping plate open and close control mechanism, that is, completes fixation and the side seal of test specimen； Be then turned on water work, by water inlet water filling into the fixture of the utility model, water filling while a part of water Test block is penetrated downwards, it is also possible to which a part of water is discharged from the overflow port, observes the water in fixture type head assignment component Position adjusts flow of inlet water, and the level changing amplitude in the fixture is made to keep within a preset range, that is, completes head setting；So Conventionally measure and calculate afterwards the coefficient of permeability for obtaining test specimen.

Description of the drawings

Fig. 1 is the structural schematic diagram after the water tank type fixture of embodiment 1 is closed.

Fig. 2 is the structural schematic diagram when water tank type fixture of embodiment 1 is opened.

Fig. 3 is the clamping plate open and close control mechanism structural schematic diagram of the water tank type fixture of embodiment 2.

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 water tank type piece fixture measured for coefficient of permeability, as shown in Figure 1, 2, including square frame 20, right angle Clamping plate 1, right angle splint 2 22, horizontal slide 23, sliding block 24, lever 25 and screw screw rod 26；Right angle splint 1 and right angle 2 22 specification of clamping plate is identical, and the upright square tube that bottom end opens is formed after closure, and depth is more than 2 times of height of specimen；Rigging angle clamp Plate 1 and 2 22 inner surface of right angle splint are equipped with elastomeric layer 27；One 21 bottom end of right angle splint, which is equipped with, prevents test specimen tenesmus Limit rib 28；One face of right angle splint 1 is equipped with water inlet 211, another face is equipped with overflow port 212；Water inlet 211 pass through 9 external water work of water pipe；Overflow port 212 is connected to external drainage equipment or water storage apparatus with water pipe 9.

As shown in Figure 1, 2, square frame 20 opens on one side, and opposite side is welded with one 21 outer surface of right angle splint, remaining both sides Horizontal slide 23 is set；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；Thick stick 25 one end of bar 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, is pushed away Dynamic right angle splint 2 22 is slided along horizontal slide to right angle splint 1, to realize the closure of a pair of of clamping plate；It is solid to screw screw rod 26 Dingan County, when right angle splint 2 22 is pushed into be closed with right angle splint 1 by lever 25, screws screw rod on square frame 20 26 can be spirally connected with the turning end of lever 25, further can push lever 25 by screw-fashion, and then lock a pair of of clamping plate.

Embodiment 2

A kind of water tank type piece fixture measured for coefficient of permeability, as shown in figure 3, including square frame 20, rigging angle clamp Plate 1, horizontal slide 23, sliding block 24, screws screw rod 26 and runner 29 at right angle splint 2 22；Right angle splint 1 and rigging angle clamp 2 22 specification of plate is identical, and the upright square tube that bottom end opens is formed after closure, and depth is more than 2 times of height of specimen；Right angle splint 1 and 2 22 inner surface of right angle splint be equipped with elastomeric layer 27；One 21 bottom end of right angle splint is equipped with the limit for preventing test specimen from dropping Position muscle；One face of right angle splint 1 is equipped with water inlet, another face is equipped with overflow port；Water inlet by water pipe 9 outside Connect water work；Overflow port is connected to external drainage equipment or water storage apparatus with water pipe 9.It is arranged on two faces of right angle splint 2 22 Graduation mark 222, the amplitude of variation for observing head are arranged on transparent windows 221 for transparent windows 221.

As shown in figure 3, square frame 20 welds right angle splint 1 on one side, opposite side horizontal direction, which is spirally connected, screws screw rod 26； Horizontal slide 23 is arranged in remaining both sides；Be slidably connected sliding block 24 in horizontal slide 23, and sliding block 24 welds 2 22 appearance of right angle splint Middle face；In the middle part of the ridge side for screwing 26 one end pin joint right angle splint 2 22 of screw rod, the other end is externally provided in the direction frame 20 Runner 29；Screw rod 26 is screwed by the rotation of runner 29, coupled right angle splint 2 22 can be made to be slided back and forth along horizontal slide It is dynamic, closer or far from right angle splint 1, to realize the opening and closing of a pair of of clamping plate.

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 (6)

1. a kind of water tank type piece fixture for measuring concrete permeable coefficient, it is characterised in that：It can be opened and closed folder including a pair Plate and clamping plate open and close control mechanism；Described a pair forms the upright barrel that bottom end opens after being opened and closed jaws close, and depth is not Less than 2 times of height of specimen；Each clamping plate inner face that described a pair can be opened and closed clamping plate is equipped with elastomeric layer；Described can Opening and closing clamping plate bottom end is equipped with the limit rib for preventing test specimen from dropping；The clamping plate first half is also at least provided with water inlet.

2. fixture described in claim 1, it is characterised in that：A pair of of clamping plate is that specification is identical and symmetrical rigging angle clamp Plate.

3. fixture described in claim 1, it is characterised in that：A pair of of clamping plate is by two structure of symmetrical clamping plate one and clamping plate At the equal Cheng " ∟ in cross section " shape；The clamping plate open and close control mechanism include square frame, horizontal slide, sliding block, lever and Screw screw rod；The square frame, opens on one side, and opposite side is fixedly connected with one outer surface of right angle splint, remaining is arbitrary on one side Or the horizontal slide that both sides setting is described；Be slidably connected the sliding block in the horizontal slide, and the sliding block, which is fixed, to be connected Connect two outer surface of clamping plate；Described lever one end is pinned at the side that the square frame is equipped with horizontal slide, and level turns Lever middle contacts the ridge side of the clamping plate two when dynamic, pushes clamping plate two to be slided to clamping plate one along horizontal slide, to realize a pair The closure of clamping plate；The screw rod that screws is fixedly mounted on the square frame, and clamping plate two is pushed into and is 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 one is closed, lever and then lock are pushed by screw-fashion Tight a pair of clamping plate.

4. the fixture described in claim 1-3 any one, it is characterised in that：It is equipped with and overflows higher than test block position on the clamping plate Head piece, for preventing the water level in fixture is excessively high from overflowing around.

5. the fixture described in claim 4, it is characterised in that：Transparent windows are set on the clamping plate.

6. the fixture described in claim 5, it is characterised in that：Graduation mark is set on the transparent windows.