CN219915285U

CN219915285U - Detection device for permeable coefficient of permeable concrete

Info

Publication number: CN219915285U
Application number: CN202320458559.3U
Authority: CN
Inventors: 王永; 张钰源; 王惠; 王西燕
Original assignee: Jinan Shenghua Concrete Co ltd
Current assignee: Jinan Shenghua Concrete Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-10-27
Anticipated expiration: 2033-03-08

Abstract

The utility model relates to the technical field of detection of the water permeability coefficient of pervious concrete, and particularly discloses a detection device of the water permeability coefficient of pervious concrete, which comprises a pervious cylinder and a water overflow tank, wherein a bearing cylinder is arranged below the pervious cylinder, the bearing cylinder is erected and installed at the bottom of the water overflow tank, the top of the bearing cylinder is provided with a containing groove for containing a pervious concrete test block, a bearing component for bearing the pervious concrete test block is arranged in the containing groove, and a connecting component for quick connection is arranged between the bearing cylinder and the pervious cylinder. When the concrete test block that permeates water is placed to needs, realize the separation that the drum that permeates water and bearing section of thick bamboo are connected fast through coupling assembling, place the concrete test block that permeates water in the holding tank, bearing subassembly can carry out the bearing to the concrete test block that permeates water, will permeate water drum bottom and bearing section of thick bamboo upper end amalgamation this moment, utilize coupling assembling can be with the drum that permeates water install fast at the top of bearing section of thick bamboo to realize the quick installation to the concrete test block that permeates water.

Description

Detection device for permeable coefficient of permeable concrete

Technical Field

The utility model relates to the technical field of permeable concrete permeability coefficient detection, in particular to a permeable concrete permeability coefficient detection device.

Background

The pervious concrete is a material whose internal structure is composed of a skeleton formed of a series of porous structures communicating with the outside air, and has good water permeability compared with a hardened road surface. The pervious concrete belongs to dry and hard concrete, and the water permeability is the most important performance index of the pervious concrete, so that the water permeability coefficient of the produced pervious concrete needs to be detected.

When the water permeability coefficient of the pervious concrete is detected, a water permeability coefficient detection device is generally used for detection, and the device comprises an overflow water tank and a pervious cylinder erected in the overflow water tank, wherein a bearing platform for supporting a pervious concrete test block is arranged in the pervious cylinder; overflow ports are formed in the upper peripheral wall of the permeable cylinder and the upper peripheral wall of the overflow water tank, and measuring cylinders for receiving water are arranged below each overflow port.

When the water permeation detection is carried out, firstly vacuumizing and soaking the water permeation concrete test block, and then placing the treated water permeation concrete test block into a water permeation cylinder to enable the water permeation concrete test block to be placed on a bearing platform in the water permeation cylinder; and adding water into the permeable cylinder, and measuring the permeability coefficient of the permeable concrete test block by a standard measuring method.

Before detection, the pervious concrete test block is required to be placed on a bearing platform in the pervious cylinder, after detection, the pervious concrete test block is required to be taken out from the pervious cylinder, and in the process, the pervious concrete test block is not convenient to place and take, so that improvement is required.

Disclosure of Invention

In order to more conveniently place and take the pervious concrete test block, the utility model provides a device for detecting the pervious coefficient of the pervious concrete.

The utility model provides a device for detecting the water permeability coefficient of permeable concrete, which adopts the following technical scheme:

the utility model provides a detection device of concrete coefficient of permeating water that permeates water, includes the drum of permeating water, overflow basin, the drum below of permeating water is provided with the bearing section of thick bamboo, the bearing section of thick bamboo is erect and is installed overflow basin's bottom, the holding tank that is used for holding the concrete test block that permeates water has been seted up at bearing section of thick bamboo top, be provided with the bearing subassembly that is used for carrying out the bearing to the concrete test block that permeates water in the holding tank, the bearing section of thick bamboo with be provided with the coupling assembling who is used for quick connect between the drum that permeates water.

Through adopting above-mentioned technical scheme, when needing to place the concrete test block that permeates water, realize the separation that the drum that permeates water and bearing section of thick bamboo are connected fast through coupling assembling, place the concrete test block that permeates water in the holding tank, bearing subassembly can carry out the bearing to the concrete test block that permeates water, will permeate water drum bottom and bearing section of thick bamboo upper end amalgamation this moment, utilize coupling assembling can be with the drum that permeates water install fast at the top of bearing section of thick bamboo to realize the quick installation to the concrete test block that permeates water.

Optionally, the bearing subassembly includes elastic component and backup pad, a plurality of standing grooves have been seted up along the length direction of bearing section of thick bamboo to the lateral wall of holding tank, the elastic component be provided with a plurality of and correspond install in the standing groove, the backup pad with elastic component fixed connection, just the backup pad tip stretches into in the holding tank.

By adopting the technical scheme, when the pervious concrete test block is placed, the pervious concrete test block is placed in the accommodating groove, and the pervious concrete test block can be propped against the supporting plate at the moment, and the supporting plate drives the elastic piece to shrink;

when the elastic supporting force of each elastic piece is balanced with the gravity of the pervious concrete test block, each elastic piece supports the pervious concrete at the moment, so that the top of the pervious concrete test block extends out of the top of the bearing cylinder;

when the permeable cylinder and the supporting cylinder are connected, the bottom of the permeable cylinder can prop against the elastic piece, so that the elastic piece continues to shrink, and at the moment, the top of the permeable concrete test block is flush with the top of the supporting cylinder, so that the permeable cylinder and the supporting cylinder can be conveniently connected and installed;

when the concrete test block needs to be taken, the permeable cylinder and the supporting cylinder are only required to be separated, at this moment, under the elasticity of each elastic piece, the top of the permeable concrete test block can stretch out the top of the supporting cylinder again, and at this moment, the permeable concrete test block can be taken out conveniently.

Optionally, the bearing assembly further comprises a sealing gasket arranged in the accommodating groove, the size of the sealing gasket is matched with the inner diameter of the accommodating groove, and the sealing gasket is respectively fixed with each supporting plate; the bottom of the permeable cylinder is also provided with sealing gaskets with the same size.

Through adopting above-mentioned technical scheme, be located the sealing washer about the concrete test block that permeates water can seal the week side of concrete test block that permeates water, make water follow the upper wall seepage of concrete test block that permeates water as far as possible to it is more accurate to make the measurement.

Optionally, the coupling assembling is including the slip cap locate the outer screw thread section of thick bamboo of cylinder that permeates water and set up in on the cylinder periphery wall that permeates water and be used for right the slip of screw thread section of thick bamboo is carried out spacing locating part, be provided with the external screw thread on the periphery wall of bearing section of thick bamboo correspondingly, the external screw thread with screw thread adaptation in the screw thread section of thick bamboo.

Through adopting above-mentioned technical scheme, when needs connect drum and the bearing section of thick bamboo that permeates water, rotate the screw thread section of thick bamboo, make the screw thread section of thick bamboo be fixed with the external screw thread on the bearing section of thick bamboo periphery wall can.

Optionally, the connecting component comprises a mounting cylinder sleeved outside the permeable cylinder in a sliding manner and a clamping block fixed in the mounting cylinder, a guide groove and a clamping groove are formed in the peripheral wall of the bearing cylinder along the length direction, one end of the guide groove extends to the top of the bearing cylinder, and the end part of the clamping groove is communicated with the guide groove and extends along the circumferential direction of the bearing cylinder; the clamping block is in sliding clamping fit with the clamping groove.

Through adopting above-mentioned technical scheme, when needs connect the drum that permeates water and hold a section of thick bamboo, inject the joint piece in the guide way, promote the drum that permeates water, make the joint piece slide to the tip of guide way, rotate the drum that permeates water again, make the joint piece slide into in the joint inslot from the guide way can.

Optionally, the slot width and the slot depth of the clamping slot far away from one end of the guide slot gradually become smaller.

Through adopting above-mentioned technical scheme, after the joint piece slides into the joint inslot, continue to rotate the drum that permeates water to make the joint that the joint piece can be more fastened in the joint inslot, make the connection between drum that permeates water and the supporting section of thick bamboo more stable.

Optionally, the coupling assembling includes connecting cylinder and plug connector, the connecting cylinder slip cap is located on the drum periphery wall permeates water, the plug connector set up in on the connecting cylinder, the slot has been seted up on the periphery wall of bearing section of thick bamboo, the plug connector can with the slot grafting adaptation.

By adopting the technical scheme, when the permeable cylinder and the bearing cylinder are required to be connected, the connecting cylinder is only required to be slid, so that the plug-in connector is aligned with the slot, and then the plug-in connector is pressed down, so that the plug-in connector is plugged into the slot.

Optionally, a pulling component for pulling the sliding of the connecting cylinder is further arranged between the connecting cylinder and the permeable cylinder.

Through adopting above-mentioned technical scheme, the traction assembly can pull the drum that permeates water, makes the drum that permeates water have the trend that the direction that is close to the supporting section of thick bamboo top removed to make the connection between drum that permeates water and the supporting section of thick bamboo more stable.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the connecting component can realize the rapid separation of the connection of the permeable cylinder and the supporting cylinder, the permeable concrete test block is placed in the accommodating groove, the supporting component can support the permeable concrete test block, at the moment, the bottom of the permeable cylinder is spliced with the upper end of the supporting cylinder, and the permeable cylinder can be rapidly installed at the top of the supporting cylinder by using the connecting component, so that the rapid installation of the permeable concrete test block is realized;

2. sealing gaskets positioned above and below the permeable concrete test block can seal the peripheral side of the permeable concrete test block, so that water leaks from the upper wall of the permeable concrete test block as much as possible, and the measurement is more accurate;

drawings

Fig. 1 is a schematic diagram of the overall structure of a device for detecting the water permeability coefficient of permeable concrete according to an embodiment of the present utility model.

FIG. 2 is a schematic view of a portion of the permeable cylinder and support cylinder of FIG. 1.

Fig. 3 is an exploded view of the first embodiment of the connection assembly of fig. 2.

Fig. 4 is an exploded view of a second embodiment of the coupling assembly of fig. 2.

Fig. 5 is an exploded view of a third embodiment of the coupling assembly of fig. 2.

Reference numerals: 1. a overflow trough; 2. a bearing cylinder; 21. a receiving groove; 211. a placement groove; 22. a guide groove; 23. a clamping groove; 24. a slot; 3. a permeable cylinder; 31. an overflow pipe; 4. a measuring cylinder; 5. a support assembly; 51. a support plate; 52. a sealing gasket; 6. a connection assembly; 61. a thread cylinder; 62. an external thread; 71. a mounting cylinder; 81. a connecting cylinder; 82. a plug-in component.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1 to 5.

The embodiment of the utility model discloses a device for detecting the water permeability coefficient of permeable concrete.

Referring to fig. 1 and 2, a device for detecting the water permeability coefficient of pervious concrete comprises a water overflow tank 1, a supporting cylinder 2 erected in the water overflow tank 1, and a pervious cylinder 3 mounted on the supporting cylinder 2, wherein overflow ports are formed in the upper peripheral wall of the pervious cylinder 3 and the upper peripheral wall of the water overflow tank 1, overflow pipes 31 are mounted on the overflow ports, and measuring cylinders 4 for receiving water are placed below each overflow pipe 31.

Before detection, firstly measuring the surface area and thickness of the pervious concrete block, then placing the pervious concrete block into a vacuumizing device, vacuumizing to 90KPa and keeping for 30 minutes, adding enough water sample pervious concrete block to cover and enable the water level to be 100 mm higher than that of the pervious concrete block while keeping vacuum, stopping vacuumizing and continuing soaking for 20 minutes, and taking out the pervious concrete block at the moment, thus formally detecting the water permeability coefficient.

The pervious concrete test block is in a round table shape, and in other embodiments, the pervious concrete test block can be in other shapes, such as prismatic, a containing groove 21 for containing the pervious concrete test block is formed in the top of the bearing cylinder 2, a bearing component 5 for bearing the pervious concrete test block is arranged in the containing groove 21, and a connecting component 6 for quick connection is arranged between the bearing cylinder 2 and the pervious cylinder 3.

Specifically, referring to fig. 3, the supporting member 5 includes an elastic member, a supporting plate 51 and a sealing gasket 52, the elastic member adopts springs, the side wall of the receiving groove 21 is provided with a plurality of placing grooves 211 along the length direction of the supporting cylinder 2, the springs are provided with a plurality of corresponding placing grooves 211, the plurality of springs are installed in the corresponding placing grooves 211, and one ends of the springs are fixed on the bottom wall of the placing grooves 211;

the backup pad 51 is fixed with the other end of spring, and in the partly plate body of backup pad 51 stretches into holding tank 21, a plurality of backup pads 51 that stretch into in the holding tank 21 all with sealing washer 52 fixed connection, also be provided with the same sealing washer 52 of size in the bottom of permeating water drum 3, two sealing washers 52 can seal the perisporium of permeating water concrete, make water can be passed through from the upper surface when permeating water concrete test block.

Placing the concrete test block that permeates water in holding tank 21, a plurality of springs can support the concrete test block that permeates water, make the top of concrete test block that permeates water stretch out the support section of thick bamboo 2 top, when connecting the drum 3 that permeates water and support section of thick bamboo 2, the bottom of the drum 3 that permeates water can support the pressure spring, makes the spring shrink, and the top of the concrete test block that permeates water and the top of support section of thick bamboo 2 flush this moment, be convenient for connect installation drum 3 that permeates water and support section of thick bamboo 2.

In the embodiment of the present utility model, referring to fig. 2 and 3, the connection assembly 6 includes a threaded cylinder 61 and a limiting member, the threaded cylinder 61 is slidably sleeved outside the permeable cylinder 3, the limiting member is a limiting block, the limiting member is disposed on the outer peripheral wall of the permeable cylinder 3, and the sliding of the threaded cylinder 61 can be limited, so that the threaded cylinder 61 cannot fall off from the end of the permeable cylinder 3;

the outer peripheral wall of the supporting cylinder 2 is provided with an external thread 62, and the external thread 62 is matched with the thread on the inner peripheral wall of the threaded cylinder 61, so that when the threaded cylinder 61 is screwed, the threaded cylinder 61 can fix the ends of the permeable cylinder 3 and the supporting cylinder 2 with each other.

In a possible embodiment, referring to fig. 2 and 4, the connection assembly 6 may include a mounting cylinder 71 and a clamping block, the mounting cylinder 71 is slidably sleeved outside the water permeable cylinder 3, the mounting cylinder 71 is also provided with a stopper for preventing detachment, and the clamping block is welded and fixed on an inner peripheral wall of the mounting cylinder 71. A guide groove 22 and a clamping groove 23 are formed in the peripheral wall of the bearing cylinder 2 along the length direction, and one end of the guide groove 22 extends to the end part of the bearing cylinder 2; the end part of the clamping groove 23 is communicated with the guide groove 22 and extends along the circumferential direction of the bearing cylinder 2;

the joint can slide along guide slot 22 earlier at the in-process of pegging graft, then by guide slot 22 slip in joint groove 23 again, in order to make the joint piece can be more fastened with joint groove 23 joint fixed, the groove width and the groove depth that guide slot 22 one end was kept away from to joint groove 23 diminish gradually, in the slip in-process of joint piece, joint groove 23 can carry out the joint spacing to the joint piece to accomplish the mutual fixation of permeable cylinder 3 and supporting section of thick bamboo 2.

In another possible embodiment, referring to fig. 2 and 5, the connection assembly 6 may further include a connection cylinder 81 and a plug 82, the connection cylinder 81 is slidably sleeved on the outer peripheral wall of the permeable cylinder 3, and a pulling assembly for pulling the sliding of the connection cylinder 81 is further disposed between the connection cylinder 81 and the permeable cylinder 3;

the plug connector 82 is arranged on the connecting cylinder 81, the slot 24 is formed in the peripheral wall of the supporting cylinder 2, the plug connector 82 comprises a plug pin and a spring for driving the plug pin to move towards the direction close to the slot 24, when the permeable cylinder 3 and the supporting cylinder 2 are connected, the connecting cylinder 81 is only required to slide to be aligned with the slot 24, and under the action of the elasticity of the spring, the plug pin is inserted into the slot 24, so that the fixation between the connecting cylinder 81 and the supporting cylinder 2 is realized.

The traction assembly comprises a traction spring, one end of the traction spring is fixed with the connecting cylinder 81, the other end of the traction spring is fixed with the peripheral wall of the permeable cylinder 3, and when the permeable cylinder 3 and the supporting cylinder 2 are connected, the traction spring can traction the connecting cylinder 81, so that the connection between the permeable cylinder 3 and the supporting cylinder 2 is firmer.

During detection, no soda water is added to the top of the permeable cylinder 3, distilled water is selected as the no soda water, and when water flows out from the overflow pipe 31 of the overflow water tank 1, the water inflow is adjusted to keep a certain water level (about 150 mm) of the permeable cylinder 3;

after the water flows of the overflow pipe 31 of the overflow water tank 1 and the overflow pipe 31 of the permeable cylinder 3 are stable, the water is received from the overflow pipe 31 by the dosage cylinder 4, the water flowing out of the dosage cylinder is recorded for 5 minutes, and the water is measured for three times and averaged;

the difference between the water level of the permeable cylinder 3 and the water level of the overflow water tank 1 is measured by a steel ruler, the temperature of the water in the overflow water tank 1 in an experiment is measured by a thermometer, and finally the water permeability coefficient is calculated according to a water permeability coefficient formula, so that the water permeability coefficient is obtained.

The embodiment of the utility model provides a detection device for the water permeability coefficient of permeable concrete, which comprises the following implementation principle: when the concrete test block that permeates water is placed to needs, realize the separation that the drum 3 that permeates water and the support section of thick bamboo 2 are connected fast through coupling assembling 6, place the concrete test block that permeates water in holding tank 21, and the support subassembly 5 can carry out the bearing to the concrete test block that permeates water, with the amalgamation of drum 3 bottom that permeates water and support section of thick bamboo 2 upper end this moment, utilize coupling assembling 6 can install the drum 3 that permeates water at the top of support section of thick bamboo 2 fast to realize the quick installation to the concrete test block that permeates water.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a detection device of permeable concrete coefficient of permeating water, includes drum (3) that permeate water, overflow water tank (1), its characterized in that: the utility model discloses a quick-connection type water-permeable concrete test block test device, including support cylinder (2), support cylinder (3) below is provided with support cylinder (2), support cylinder (2) erect and install the bottom of overflow water tank (1), holding tank (21) that are used for holding the concrete test block that permeates water has been seted up at support cylinder (2) top, be provided with in holding tank (21) and be used for carrying out bearing subassembly (5) to the concrete test block that permeates water, support cylinder (2) with be provided with coupling assembling (6) that are used for quick connection between the cylinder (3) that permeates water.

2. The device for detecting the water permeability coefficient of permeable concrete according to claim 1, wherein: the bearing assembly (5) comprises an elastic piece and a supporting plate (51), wherein a plurality of placing grooves (211) are formed in the side wall of the accommodating groove (21) along the length direction of the bearing barrel (2), the elastic piece is provided with a plurality of placing grooves (211) and is correspondingly installed in the placing grooves (211), the supporting plate (51) is fixedly connected with the elastic piece, and the end part of the supporting plate (51) extends into the accommodating groove (21).

3. The device for detecting the water permeability coefficient of permeable concrete according to claim 2, wherein: the bearing assembly (5) further comprises a sealing gasket (52) arranged in the accommodating groove (21), the size of the sealing gasket (52) is matched with the inner diameter of the accommodating groove (21), and the sealing gasket (52) is respectively fixed with each supporting plate (51); the bottom of the permeable cylinder (3) is also provided with sealing gaskets (52) with the same size.

4. The device for detecting the water permeability coefficient of permeable concrete according to claim 1, wherein: the connecting assembly (6) comprises a threaded cylinder (61) which is sleeved outside the water permeable cylinder (3) in a sliding mode and a limiting piece which is arranged on the peripheral wall of the water permeable cylinder (3) and used for limiting sliding of the threaded cylinder (61), external threads (62) are correspondingly arranged on the peripheral wall of the bearing cylinder (2), and the external threads (62) are matched with threads in the threaded cylinder (61).

5. The device for detecting the water permeability coefficient of permeable concrete according to claim 1, wherein: the connecting assembly (6) comprises an installation cylinder (71) which is sleeved outside the water permeable cylinder (3) in a sliding manner and a clamping block which is fixed in the installation cylinder (71), a guide groove (22) and a clamping groove (23) are formed in the peripheral wall of the bearing cylinder (2) along the length direction, one end of the guide groove (22) extends to the top of the bearing cylinder (2), and the end part of the clamping groove (23) is communicated with the guide groove (22) and extends along the circumferential direction of the bearing cylinder (2); the clamping block is in sliding clamping fit with the clamping groove (23).

6. The device for detecting the water permeability coefficient of permeable concrete according to claim 5, wherein: the groove width and the groove depth of the clamping groove (23) far away from one end of the guide groove (22) are gradually reduced.

7. The device for detecting the water permeability coefficient of permeable concrete according to claim 1, wherein: the connecting assembly (6) comprises a connecting cylinder (81) and a plug connector (82), the connecting cylinder (81) is slidably sleeved on the peripheral wall of the water permeable cylinder (3), the plug connector (82) is arranged on the connecting cylinder (81), a slot (24) is formed in the peripheral wall of the supporting cylinder (2), and the plug connector (82) can be in plug-in fit with the slot (24).

8. The device for detecting the water permeability coefficient of permeable concrete according to claim 7, wherein: and a traction component for traction on sliding of the connecting cylinder (81) is further arranged between the connecting cylinder (81) and the water permeable cylinder (3).