CN114034615A - Impervious detection device of precast concrete pipe - Google Patents

Impervious detection device of precast concrete pipe Download PDF

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Publication number
CN114034615A
CN114034615A CN202111180535.8A CN202111180535A CN114034615A CN 114034615 A CN114034615 A CN 114034615A CN 202111180535 A CN202111180535 A CN 202111180535A CN 114034615 A CN114034615 A CN 114034615A
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concrete pipe
detection device
precast concrete
water injection
sealing
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CN202111180535.8A
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CN114034615B (en
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杜广伟
刘太双
陈江建
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Nanjing Fahai New Material Technology Co ltd
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Nanjing Fahai New Material Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/0806Details, e.g. sample holders, mounting samples for testing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/46Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082Investigating permeability by forcing a fluid through a sample
    • G01N15/0826Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Dispersion Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipe Accessories (AREA)

Abstract

The invention provides a precast concrete pipe impermeability detection device, which comprises a base and a sealing end mechanism, wherein the sealing end mechanism comprises a stand column, a mounting plate fixedly arranged on the side wall of the upper end of the stand column and a sealing end plug fixedly arranged on the side wall of the mounting plate, the sealing end plug is in adaptive splicing with a concrete pipe port to complete sealing and closing, and two sides of the base are provided with telescopic columns for driving the sealing end mechanism to approach towards or separate away from each other; run through on one of them end-capping mechanism and be equipped with the water injection pipe, water injection pipe one end intercommunication storage water tank, the other end and concrete pipe inner chamber intercommunication, this application monitoring devices is applicable to the impervious detection of different model specification pipelines, and whole automation is controlled, and is simple high-efficient, and the water injection leakproofness is good, has improved the accurate nature that detects greatly, and is high-efficient practical.

Description

Impervious detection device of precast concrete pipe
Technical Field
The invention relates to the technical field of production and processing of concrete pipes, in particular to a precast concrete pipe impermeability detection device.
Background
Concrete is an artificial stone widely used in construction, and for some buildings, such as hydraulic construction, underwater, underground and other construction projects, the buildings are required to have a special performance, namely, impermeability. Impervious concrete refers to concrete having an impermeability rating equal to or greater than the P6 rating. The impervious concrete is divided into 5 grades of P6, P8, P10, P12 and more than P12 according to different impervious pressure. The impervious concrete improves the pore structure by improving the compactness of the concrete, thereby reducing a permeation channel and improving the impermeability.
The impermeability refers to the resistance of the materials used in the construction to the penetration of water and other liquid (light oil, heavy oil) media under pressure. The concrete impermeability instrument is used for testing the impermeability of concrete, but the existing impermeability experiment device has complex structure, high production cost and poor experiment effect, and can not achieve ideal experiment results.
Disclosure of Invention
In view of this, the invention aims to provide a precast concrete pipe impermeability detection device, which is suitable for impermeability detection of pipelines of different types and specifications, is integrally and automatically controlled, is simple and efficient, has good water injection tightness, greatly improves the detection accuracy, and is efficient and practical.
In order to achieve the purpose, the invention provides the following technical scheme:
a precast concrete pipe impermeability detection device comprises a base and end capping mechanisms slidably mounted on two sides of the base, wherein each end capping mechanism comprises an upright post, a mounting plate fixedly arranged on the side wall of the upper end of the upright post and an end capping plug fixedly arranged on the side wall of the mounting plate, the end capping plugs are in adaptive splicing with concrete pipe ports to complete sealing and closing, and two sides of the base are provided with telescopic columns for driving the end capping mechanisms to approach or separate from each other oppositely; one end-sealing mechanism is provided with a water injection pipe in a penetrating mode, one end of the water injection pipe is communicated with the water storage tank, and the other end of the water injection pipe is communicated with the inner cavity of the concrete pipe.
As a further preferred mode of the invention, the upper surface of the base is provided with a sliding groove, and the bottom end of the upright post is provided with a sliding block which is in adaptive connection with the sliding groove.
As further optimization of the invention, the upright post is of a telescopic rod structure, and the outer wall of the upright post is provided with a scale value for observing the height of the sealing plug.
Preferably, the middle part of the base is provided with a longitudinal through groove, and a conveying belt is arranged in the longitudinal through groove and used for conveying and moving the concrete pipe.
Preferably, the end plug is of a truncated cone structure, and the end plug is made of an integral rubber material or a built-in rigid material and an outer layer coated with a rubber material.
Preferably, a hollow compression ring is arranged on one side, close to the mounting plate, of the sealing end plug, an annular hollow air bag is arranged on one side, not the mounting plate, of the sealing end plug, a plurality of vent grooves are formed in the sealing end plug, one end of each vent groove is communicated with the hollow compression ring, and the other end of each vent groove is communicated with the annular hollow air bag.
Preferably, the hollow compression ring and the annular hollow air bag are made of rubber materials, the hollow compression ring compresses and extends along the long axis direction of the concrete pipe, and the annular hollow air bag contracts and expands along the direction vertical to the long axis direction of the concrete pipe.
Further preferably, the number of the vent grooves is at least 1.
Preferably, the water injection pipe is provided with a pressure pump for regulating and controlling the pressure in the concrete pipe, and the outer end surface of the sealing plug is provided with a pressure sensor for monitoring the pressure in the concrete pipe.
The invention has the beneficial effects that: the anti-permeability detection device is suitable for anti-permeability detection of pipelines of different types and specifications, is integrally and automatically controlled, is simple and efficient, has good water injection sealing performance, greatly improves the detection accuracy, and is efficient and practical.
Set the conveyer belt, can carry out automated conveying to the concrete pipe, also can drive to next process after detecting, form continuous type operation, simple high efficiency, labour saving and time saving.
The end plug is the round platform structure, but its slope wall adaptability laminating different mouth of pipe internal diameters, along with flexible post drive adaptation laminating, sealed conflict, application scope is big.
The end-sealing plug is further provided with an annular hollow air bag and a hollow compression ring, in the using process, when the telescopic column is driven, the concrete pipe opening firstly abuts against the hollow compression ring to compress the hollow compression ring, the air flow is guided to the annular hollow air bag to expand, and finally the hollow air bag is attached to the inner wall of the pipeline, so that double sealing (the annular hollow air bag and the inner wall of the pipeline, and the hollow compression ring and the end port of the pipeline) is formed, the sealing effect is greatly improved, and the pressure detection accuracy is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a stopper according to the present invention;
in the figure: the device comprises a base 1, a sealing mechanism 2, a stand column 3, a mounting plate 4, a sealing plug 5, a telescopic column 6, a water injection pipe 7, a sliding groove 8, a scale value 9, a longitudinal channel 10, a conveying belt 11, a hollow compression ring 12, an annular hollow air bag 13 and an air groove 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
a precast concrete pipe impermeability detection device comprises a base 1 and end-capping mechanisms 2 slidably mounted on two sides of the base 1, wherein each end-capping mechanism 2 comprises an upright post 3, a mounting plate 4 fixedly arranged on the side wall of the upper end of the upright post 3 and an end-capping plug 5 fixedly arranged on the side wall of the mounting plate 4, the end-capping plugs 5 are in adaptive splicing with concrete pipe ports to complete sealing and closing, and two sides of the base 1 are provided with telescopic columns 6 for driving the end-capping mechanisms 2 to approach towards or separate away from each other oppositely; the end plug 5 is in a round table structure, and the end plug 5 is made of an integral rubber material or a built-in rigid material and an outer layer coated rubber material.
One end of the water injection pipe 7 is communicated with a water storage tank (not shown in the figure, during the impermeability test, the water storage tank is used for filling liquid, such as water or other liquid solvents, such as oil, which is not limited in the figure), and the other end of the water injection pipe 7 is communicated with the inner cavity of the concrete pipe.
A pressure pump is arranged on the water injection pipe 7 and used for regulating and controlling the pressure in the concrete pipe, and a pressure sensor (not shown in the figure) is arranged on the outer end face of the end plug 5 and used for monitoring the pressure in the concrete pipe.
Specifically, the spout 8 has been seted up to base 1 upper surface, and 3 bottoms of stand are equipped with the slider with this spout 8 looks adaptation connection, like the picture, the stand sliding joint of end-capping mechanism is on the spout, along the horizontal lateral sliding of spout along with the flexible drive of flexible post to adjust and control the distance between two end-capping plugs, in order to satisfy the sealed grafting at different length pipeline both ends.
The stand 3 is telescopic rod structure, can adopt current electronic flexible regulation and control structure, and purchase finished product installation, guarantee flexible regulation can, do not limit here, 3 outer walls of stand are equipped with scale value 9 and are used for observing 5 height of end plug
Example 2:
based on above-mentioned structural design, further, base 2 middle part has been seted up vertical logical groove 10, installs conveyer belt 11 in vertical logical groove 10 and is used for the conveying of concrete pipe to remove. As shown in the figure, the scale mark one end is initially calculated from the upper end surface of the conveying belt, the other end corresponds to the center height of the end-sealing plug, the reference calculation is facilitated, the telescopic height of the stand column can be preset according to the pipeline specification during use, and the use is convenient and accurate.
Example 3:
the side, close to the mounting plate 4, of the end plug 5 is provided with a hollow compression ring 12, the side, not the mounting plate 4, of the end plug 5 is provided with an annular hollow air bag 13, the end plug 5 is internally provided with a plurality of vent grooves 14 (at least one, 2 in the figure), one end of each vent groove 4 is communicated with the hollow compression ring 12, and the other end of each vent groove is communicated with the annular hollow air bag 13.
The hollow compression ring 12 and the annular hollow air bag 13 are made of rubber materials, the hollow compression ring 12 compresses and extends along the long axis direction of the concrete pipe, and the annular hollow air bag 13 contracts and expands along the direction vertical to the long axis direction of the concrete pipe.
During the use, the concrete pipe is transported to on the base, between two end plugs through the conveyer belt, then drives flexible post and makes the end plug insert pipeline both ends mouth, starts the force pump and to wherein water injection, can acquire the testing data through the numerical value of observing pipeline outer wall infiltration condition and pressure sensor monitoring.
The anti-permeability detection device is suitable for anti-permeability detection of pipelines of different types and specifications, is integrally and automatically controlled, is simple and efficient, has good water injection sealing performance, greatly improves the detection accuracy, and is efficient and practical.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. The impervious detection device of the precast concrete pipe is characterized by comprising a base and end-capping mechanisms which are slidably mounted on two sides of the base, wherein each end-capping mechanism comprises a stand column, a mounting plate fixedly arranged on the side wall of the upper end of the stand column and an end-capping plug fixedly arranged on the side wall of the mounting plate, the end-capping plugs are in adaptive splicing with ports of the precast concrete pipe to complete sealing and closing, and two sides of the base are provided with telescopic columns which drive the end-capping mechanisms to approach or separate away from each other oppositely; one end-sealing mechanism is provided with a water injection pipe in a penetrating mode, one end of the water injection pipe is communicated with the water storage tank, and the other end of the water injection pipe is communicated with the inner cavity of the concrete pipe.
2. The precast concrete pipe impermeability detection device according to claim 1, wherein: the base upper surface has been seted up the spout, and the stand bottom is equipped with the slider with this spout adaptation connection.
3. The precast concrete pipe impermeability detection device according to claim 1, wherein: the stand is telescopic rod structure, and the stand outer wall is equipped with the scale interval and is used for observing the end-capping stopper height.
4. The precast concrete pipe impermeability detection device according to claim 1, wherein: a longitudinal through groove is formed in the middle of the base, and a conveying belt is installed in the longitudinal through groove and used for conveying and moving the concrete pipes.
5. The precast concrete pipe impermeability detection device according to claim 1, wherein: the end plug is of a round table structure and is made of an integral rubber material or a built-in rigid material and an outer layer coated rubber material.
6. The precast concrete pipe impermeability detection device according to claim 1, wherein: the sealing plug is provided with a hollow compression ring on one side close to the mounting plate, an annular hollow air bag is arranged on one side of the sealing plug, a plurality of vent grooves are formed in the sealing plug, and one end of each vent groove is communicated with the hollow compression ring and the other end of each vent groove is communicated with the annular hollow air bag.
7. The precast concrete pipe impermeability detection device of claim 6, wherein: the hollow compression ring and the annular hollow air bag are made of rubber materials, the hollow compression ring compresses and extends along the long axis direction of the concrete pipe, and the annular hollow air bag contracts and expands along the direction vertical to the long axis direction of the concrete pipe.
8. The precast concrete pipe impermeability detection device of claim 6, wherein: the number of the vent grooves is at least 1.
9. The precast concrete pipe impermeability detection device according to claim 1, wherein: the water injection pipe is provided with a pressure pump for regulating and controlling the pressure in the concrete pipe, and the outer end face of the end-sealing plug is provided with a pressure sensor for monitoring the pressure in the concrete pipe.
CN202111180535.8A 2021-10-11 2021-10-11 Impervious detection device of precast concrete pipe Active CN114034615B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116678802A (en) * 2023-08-03 2023-09-01 常州市建筑材料研究所有限公司 Prefabricated inspection well impermeability detection device and detection method thereof

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Publication number Priority date Publication date Assignee Title
CN116678802A (en) * 2023-08-03 2023-09-01 常州市建筑材料研究所有限公司 Prefabricated inspection well impermeability detection device and detection method thereof
CN116678802B (en) * 2023-08-03 2023-11-14 常州市建筑材料研究所有限公司 Prefabricated inspection well impermeability detection device and detection method thereof

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