Underground concrete water permeability coefficient tester

By adjusting the angle of the liquid storage mechanism with an electric push rod and gear mechanism, and adjusting the liquid pressure with a micro air pump and air pressure sensor, the problems of instrument tipping over and difficulty in simulating water pressure in the existing technology are solved, and stable and accurate detection of the permeability coefficient is achieved.

CN224051909UActive Publication Date: 2026-03-27CHONGQING MAJOR CONSTR ENG QUALITY INSPECTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing underground concrete permeability coefficient measuring instruments have problems such as the rigid fixed connection between the liquid storage container and the base, which can cause them to tip over, and the inability to simulate different water pressure environments and detect liquid flow rate.

Method used

The angle between the liquid storage mechanism and the base is adjusted by an electric push rod and gear mechanism, and the liquid pressure is adjusted by a micro air pump and air pressure sensor. The flow valve detects the flow data, and the control panel integrates the control of the solenoid valve and the flow valve.

Benefits of technology

It enables stable detection on inclined ground, can simulate different water pressure environments, accurately measure liquid flow rate at each time period, and improve detection efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an underground concrete water permeability coefficient tester which comprises a base, a fixing frame, a liquid storage mechanism, a liquid conveying pipe, an electromagnetic valve, a flow valve, a control panel, a transfer cavity, a first sealing ring, a second sealing ring and a power source, the liquid storage mechanism is fixed to the base through the fixing frame, and the liquid conveying pipe is fixed to the output end of the liquid storage mechanism through the electromagnetic valve. The other end of the infusion tube is fixed to the base, and a flow valve is fixed to the middle of the infusion tube. A transfer cavity is formed in the middle of the lower side face of the base, and a first sealing ring and a second sealing ring are fixed to the lower side face of the base. A control panel and a power source are fixed to the upper side face of the base. Through the arrangement of the fixing frame, the liquid storage mechanism, the flow valve and the control panel, the device can be prevented from rolling over in the use process, then the water seepage coefficient of underground concrete can be detected under the condition of different liquid pressures, and in addition, the water seepage amount of the underground concrete in each time period can be conveniently calculated.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to underground concrete water permeability coefficient detection technical field, especially relate to a kind of underground concrete water permeability coefficient measuring instrument. BACKGROUND

[0002] The quality of underground concrete engineering is related to the stability and durability of the entire building structure, and the water permeability coefficient is a key indicator for measuring the waterproof performance of underground concrete. The underground concrete water permeability coefficient measuring instrument, as a professional equipment for accurately detecting the coefficient, plays an indispensable role in the fields of construction, underground engineering maintenance, etc.

[0003] In the existing underground concrete water permeability coefficient measuring instrument, the common structure is relatively simple. Usually, it is composed of a fixed liquid storage container, a base and a liquid delivery pipe, and a manual valve is fixed in the middle of the liquid delivery pipe. The liquid storage container is fixed on the base, and then the liquid storage container and the base are connected together through the liquid delivery pipe.

[0004] However, the existing underground concrete water permeability coefficient measuring instrument has the following defects in the actual process:

[0005] Firstly, in the existing underground concrete water permeability coefficient measuring instrument, the liquid storage container and the base are rigidly fixed, and the relative angle between the liquid storage container and the base cannot be flexibly adjusted. When the measuring instrument is placed on an inclined underground concrete surface, it is easy to overturn, which causes the interruption of the detection work, and even may damage the instrument, seriously affecting the detection efficiency and the service life of the instrument. Secondly, the existing underground concrete water permeability coefficient measuring instrument does not have the function of automatically adjusting the liquid pressure, and it is difficult to simulate the water pressure environment under different actual working conditions, so it cannot accurately detect the water permeability coefficient of underground concrete under various pressure conditions. In addition, the existing underground concrete water permeability coefficient measuring instrument cannot detect the liquid flow data of each time period, so as to enable the staff to calculate the water permeation amount of underground concrete in each time period.

[0006] Therefore, it is necessary to invent an underground concrete water permeability coefficient measuring instrument. CONTENT OF THE UTILITY MODEL

[0007] In view of the above problems, the utility model provides an underground concrete water permeability coefficient measuring instrument, and the technical scheme used is:

[0008] The utility model provides an underground concrete permeation coefficient tester, including base, fixing frame, liquid storage mechanism, liquid delivery pipe, electromagnetic valve, flow valve, control panel, transfer chamber, first sealing ring, second sealing ring and power, the upper side of base is fixed with fixing frame through bolt, wherein the output of fixing frame is fixed with liquid storage mechanism, the output of liquid storage mechanism is fixed with liquid delivery pipe through electromagnetic valve, wherein the other end of liquid delivery pipe is fixed with base through joint, and the middle part of liquid delivery pipe is fixed with flow valve, the lower side middle part of base is equipped with transfer chamber, wherein transfer chamber communicates with the inside of liquid delivery pipe, and the first sealing ring is fixed on the base of transfer chamber outer edge through inlay, the lower side edge position of base is fixed with second sealing ring through inlay, the upper side of base is respectively fixed with control panel and power through bolt, wherein power is electrically connected with control panel, electromagnetic valve and flow valve through power line respectively, and control panel is electrically connected with electromagnetic valve and flow valve through data line respectively.

[0009] Further, the fixing frame includes an electric push rod, a connecting plate, a rack, a slide, a gear, a rotating shaft, and a positioning plate. The electric push rod is fixed on the base by a bolt, and the output end of the electric push rod is fixed with the connecting plate by a bolt. Both ends of the connecting plate are fixed with the rack by welding, and the rack is arranged on both sides of the liquid storage mechanism. The rack is engaged with the gear. The gear is fixed with the rotating shaft by welding on the side close to the liquid storage mechanism, and the other end of the rotating shaft is fixed with the liquid storage mechanism. The outer side of the rotating shaft is rotatably installed on the corresponding positioning plate by a support bearing, and the positioning plate is fixed on the base by a bolt. The rack is slidingly installed on the corresponding slide, and the slide is fixed on the base by a bolt. The electric push rod is electrically connected with the control panel by a data line, and the power connector of the electric push rod is electrically connected with the power supply by a power line. This arrangement can avoid the device from rolling over due to the inclination of the underground concrete.

[0010] Further, a plurality of balls are provided on the slide through a ball joint, and the outer side of the ball is in contact with the rack. This arrangement can reduce the friction between the rack and the slide.

[0011] Further, the liquid storage mechanism includes a cylinder, a sealing cover, a gas delivery pipe, and a micro air pump. The cylinder is fixed on the output end of the fixing frame, and the lower end of the cylinder is fixed with the liquid delivery pipe through the electromagnetic valve. The upper end of the cylinder is fixed with the sealing cover through thread engagement, and the upper side of the sealing cover is fixed with the gas delivery pipe through a joint. The other end of the gas delivery pipe is connected with the output end of the micro air pump through a joint. The base of the micro air pump is fixed on the upper side of the base by a bolt. The micro air pump is electrically connected with the control panel by a data line, and the power interface of the micro air pump is electrically connected with the power supply by a power line. This arrangement can transport liquid in the liquid delivery pipe and provide pressure for the liquid.

[0012] Further, the lower side of the sealing cover is fixed with an air pressure sensor through bolts, wherein the air pressure sensor is electrically connected with the control panel through a data line, and the power interface of the air pressure sensor is electrically connected with a power supply through a power line, so that the air pressure inside the barrel can be kept at a predetermined pressure.

[0013] Further, the barrel is made of transparent acrylic material, and the outer side of the barrel is engraved with corresponding water level scale lines, so that the staff can check the liquid level inside the barrel.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The setting of the fixing frame can control the corresponding action of the electric push rod through the control panel, and then adjust the angle between the liquid storage mechanism and the base through the collaborative action of the electric push rod, the connecting plate, the rack, the gear and the rotating shaft, thereby avoiding the side turning of the device due to the inclination of the underground concrete.

[0016] 2. The setting of the liquid storage mechanism can store liquid, and when needed, the liquid can be delivered into the transfer cavity through the electromagnetic valve and the infusion tube, and in addition, the pressure of the liquid can be adjusted through the collaborative work of the miniature air pump, the gas delivery pipe, the air pressure sensor and the control panel, thereby facilitating the detection of the water permeability coefficient of the underground concrete under different liquid pressure conditions.

[0017] 3. The setting of the flow valve and the control panel can detect the liquid flow discharged by the liquid storage mechanism during use, and transmit the detection data to the control panel, so that the staff can know the liquid flow data of each time period through the control panel, and then the water permeability of the underground concrete in each time period can be calculated through the data. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Fig. 1 It is the structural schematic diagram of the utility model.

[0020] Fig. 2 It is the sectional structure schematic diagram of the base of the utility model.

[0021] Fig. 3It is the structure schematic view of the fixing frame of the utility model.

[0022] Fig. 4 It is the structure schematic view of the rack and slide of the utility model.

[0023] Fig. 5 It is the structure schematic view of the liquid storage mechanism of the utility model.

[0024] In the figure,

[0025] 1-base, 2-fixing frame, 21-electric push rod, 22-connecting plate, 23-rack, 24-slide, 25-gear, 26-rotary shaft, 27-positioning plate, 3-liquid storage mechanism, 31-cylinder, 32-sealing cover, 33-gas conveying pipe, 34-micro air pump, 35-air pressure sensor, 4-infusion tube, 5-solenoid valve, 6-flow valve, 7-control panel, 8-intermediate cavity, 9-first sealing ring, 10-second sealing ring, 11-power supply. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] In the description of the utility model, it should be understood that the terms "upper", "middle", "outer", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0028] Please refer to Figs. 1-2As shown, the utility model is a kind of underground concrete permeability coefficient measuring instrument, including base 1, fixed frame 2, liquid storage mechanism 3, infusion tube 4, electromagnetic valve 5, flow valve 6, control panel 7, transfer cavity 8, first sealing ring 9, second sealing ring 10 and power 11, the upper side of base 1 is fixed with fixed frame 2 by bolt, wherein the output of fixed frame 2 is fixed with liquid storage mechanism 3;The output of liquid storage mechanism 3 is fixed with infusion tube 4 by electromagnetic valve 5, electromagnetic valve 5 adopts SMC's VQZ series, wherein the other end of infusion tube 4 is fixed with base 1 through joint, and the middle part of infusion tube 4 is fixed with flow valve 6, and flow valve adopts the Promag W series of Cologne;The lower side of base 1 is provided with transfer cavity 8 in the middle, wherein transfer cavity 8 is communicated with the inside of infusion tube 4, and first sealing ring 9 is fixed on the outer edge of transfer cavity 8 on base 1 by inlaying;Second sealing ring 10 is fixed on the edge position of the lower side of base 1 by inlaying;The upper side of base 1 is fixed with control panel 7 and power 11 respectively by bolt, control panel 7 adopts PLC control panel (Siemens S7-1200 series), power 11 adopts switching power supply (S-150-24 type of Mingwei), wherein power 11 is electrically connected with control panel 7, electromagnetic valve 5 and flow valve 6 respectively by power line, and control panel 7 is electrically connected with electromagnetic valve 5 and flow valve 6 respectively by data line.

[0029] As Fig. 3 As shown, fixed frame 2 includes electric push rod 21, connecting plate 22, rack 23, slide 24, gear 25, rotating shaft 26 and positioning plate 27, electric push rod 21 is fixed on base 1 by bolt, and the output of electric push rod 21 is fixed with connecting plate 22 by bolt, and electric push rod 21 selects HLP-05 series of Haileipu;Both ends of connecting plate 22 are fixed with rack 23 by welding, and the rack 23 is arranged on both sides of liquid storage mechanism 3;Both rack 23 are engaged with gear 25;The side of gear 25 close to liquid storage mechanism 3 is fixed with rotating shaft 26 by welding, and the other end of rotating shaft 26 is fixed with liquid storage mechanism 3;The outer side of rotating shaft 26 is rotatably installed on corresponding positioning plate 27 by support bearing, wherein positioning plate 27 is fixed on base 1 by bolt;Rack 23 is slidably installed on corresponding slide 24, wherein slide 24 is fixed on base 1 by bolt;Electric push rod 21 is electrically connected with control panel 7 by data line, and the power connector of electric push rod 21 is electrically connected with power 11 by power line, when the device needs to be placed on underground concrete, electric push rod 21 can be controlled to move correspondingly by control panel 7, and then the coordinated action of electric push rod 21, connecting plate 22 and rack 23 can drive gear 25 and rotating shaft 26 to rotate correspondingly, to adjust the angle between liquid storage mechanism 3 and base 1, to avoid the device from rolling over due to the inclination of underground concrete.

[0030] As Fig. 4 shown in the slide 24 through the ball hinge has several balls, the outer side of the ball with the rack 23 contact, when the rack 23 in the electric push rod 21 under the action of the slide 24, when the ball will be rotated accordingly, in turn to reduce the friction between the rack 23 and the slide 24.

[0031] As Fig. 5 shown, the liquid storage mechanism 3 includes the cylinder 31, sealing cover 32, gas pipe 33 and micro gas pump 34, cylinder 31 is fixed in the output end of the fixed frame 2, and the lower end of the cylinder 31 is fixed with the infusion tube 4 through the electromagnetic valve 5; the upper end of the cylinder 31 is fixed with the sealing cover 32 through thread engagement, and the upper side of the sealing cover 32 is fixed with the gas pipe 33 through the joint, the other end of the gas pipe 33 is connected with the output end of the micro gas pump 34 through the joint; the base of the micro gas pump 34 is fixed on the upper side of the base 1 through the bolt; the micro gas pump 34 is electrically connected with the control panel 7 through the data line, and the power interface of the micro gas pump 34 is electrically connected with the power supply 11 through the power line, the micro gas pump 34 adopts the 8002 series of Delixi, when in use, the liquid can be added to the inside of the cylinder 31 at the position of the sealing cover 32, in turn, when needed, the liquid can be delivered to the inside of the infusion tube 4 by opening the electromagnetic valve 5, in addition, during use, the micro gas pump 34 can be started by the control panel 7, the gas pressure inside the cylinder 31 is increased by the micro gas pump 34, so as to adjust the pressure of the liquid, in turn, the water permeability coefficient of the underground concrete under different liquid pressure conditions can be detected.

[0032] Specifically, the lower side of the sealing cover 32 is fixed with the gas pressure sensor 35 through the bolt, wherein the gas pressure sensor 35 is electrically connected with the control panel 7 through the data line, and the power interface of the gas pressure sensor 35 is electrically connected with the power supply 11 through the power line, the gas pressure sensor 35 adopts the HSC series of Honeywell, when in use, the gas pressure sensor 35 can detect the gas pressure inside the cylinder 31 in real time, and transmit the detection data to the control panel 7, in turn, so that the control panel 7 can adjust the power of the micro gas pump 34 according to the data, in turn, the gas pressure inside the cylinder 31 can be ensured to always keep at the predetermined pressure.

[0033] Specifically, the cylinder 31 is made of transparent acrylic material, and the outer side of the cylinder 31 is engraved with corresponding water level scale, when in use, the staff can see the remaining amount of the liquid through the cylinder 31 according to the water level scale.

[0034] Please refer to Figs. 1-5As shown, the utility model is a kind of underground concrete permeation coefficient measuring instrument, and its working principle is as follows: when using, first, base 1 is placed to underground concrete, then angle between liquid storage mechanism 3 and base 1 is adjusted by fixing frame 2, to avoid the device to appear side, then electromagnetic valve 5 is opened by control panel 7, so that the liquid in liquid storage mechanism 3 is transported to the inside of transfer chamber 8 by infusion tube 4, at this time, liquid will be in transfer chamber 8 position, penetrate into underground concrete, and staff can calculate the water permeability of underground concrete by observing the liquid level in liquid storage mechanism 3, in addition, flow valve 6 can detect the liquid flow of liquid storage mechanism 3 and pass detection data to control panel 7, so that staff can know the liquid flow data of each time period by control panel 7, and then by the data, the water permeation of underground concrete in each time period can be calculated.

[0035] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. An underground concrete permeability tester, comprising a base (1), a fixing frame (2), a liquid storage mechanism (3), a liquid delivery pipe (4), a solenoid valve (5), a flow valve (6), a control panel (7), a transfer cavity (8), a first sealing ring (9), a second sealing ring (10) and a power supply (11), characterized in that: The upper side of the base (1) is fixed with a fixed frame (2), wherein the output end of the fixed frame (2) is fixed with a liquid storage mechanism (3); the output end of the liquid storage mechanism (3) is fixed with a transfusion tube (4) through an electromagnetic valve (5), wherein the other end of the transfusion tube (4) is fixed with the base (1), and the middle part of the transfusion tube (4) is fixed with a flow valve (6); the middle part of the lower side of the base (1) is provided with a transfer cavity (8), wherein the transfer cavity (8) is communicated with the inside of the transfusion tube (4), and the first sealing ring (9) is fixed on the base (1) of the outer edge of the transfer cavity (8); the second sealing ring (10) is fixed on the edge position of the lower side of the base (1); the upper side of the base (1) is respectively fixed with a control panel (7) and a power supply (11), wherein the power supply (11) is respectively connected with the control panel (7), the electromagnetic valve (5) and the flow valve (6) through the power supply line, and the control panel (7) is respectively connected with the electromagnetic valve (5) and the flow valve (6) through the data line.

2. An apparatus for measuring the coefficient of permeability of concrete in subsoil as claimed in claim 1, wherein: The fixed frame (2) comprises an electric push rod (21), a connecting plate (22), a rack (23), a slide (24), a gear (25), a rotating shaft (26) and a positioning plate (27), the electric push rod (21) is fixed on the base (1), and the output end of the electric push rod (21) is fixed with the connecting plate (22); the both ends of the connecting plate (22) are fixed with the racks (23), which are arranged on the both sides of the liquid storage mechanism (3); the racks (23) are all engaged with the gears (25); the gears (25) are all fixed with the rotating shafts (26) on the side close to the liquid storage mechanism (3), and the other ends of the rotating shafts (26) are all fixed with the liquid storage mechanism (3); the outer sides of the rotating shafts (26) are all rotatably installed on the corresponding positioning plates (27), wherein the positioning plates (27) are all fixed on the base (1); the racks (23) are all slidably installed on the corresponding slides (24), wherein the slides (24) are all fixed on the base (1); the electric push rod (21) is connected with the control panel (7) through the data line, and the power connector of the electric push rod (21) is connected with the power supply (11) through the power supply line.

3. An apparatus for measuring the coefficient of permeability of concrete in subsoil as claimed in claim 2 wherein: A plurality of balls are rotatably installed on the slide (24) through ball hinges, and the outer sides of the balls are in contact with the racks (23).

4. The underground concrete permeability tester as claimed in claim 1, wherein: The liquid storage mechanism (3) comprises a cylinder (31), a sealing cover (32), a gas conveying pipe (33) and a micro air pump (34), the cylinder (31) is fixed on the output end of the fixed frame (2), and the lower end of the cylinder (31) is fixed with the transfusion tube (4) through the electromagnetic valve (5); the upper end of the cylinder (31) is fixed with the sealing cover (32) through thread engagement, and the upper side of the sealing cover (32) is fixed with the gas conveying pipe (33), and the other end of the gas conveying pipe (33) is connected with the output end of the micro air pump (34); the base of the micro air pump (34) is fixed on the upper side of the base (1); the micro air pump (34) is connected with the control panel (7) through the data line, and the power supply interface of the micro air pump (34) is connected with the power supply (11) through the power supply line.

5. An apparatus for measuring the coefficient of permeability of concrete in subsoil as claimed in claim 4 wherein: The lower side of the sealing cover (32) is fixed with an air pressure sensor (35), wherein the air pressure sensor (35) is electrically connected with the control panel (7) through a data line, and the power supply interface of the air pressure sensor (35) is electrically connected with the power supply (11) through a power supply line.

6. An apparatus for measuring the coefficient of permeability of concrete in subsoil as claimed in claim 4 wherein: The barrel (31) is made of transparent material, and the outer side of the barrel (31) is engraved with corresponding water level scale lines.