CN112924105A - Device and method for waterproof detection of joint of comprehensive pipe gallery - Google Patents
Device and method for waterproof detection of joint of comprehensive pipe gallery Download PDFInfo
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- CN112924105A CN112924105A CN202110107548.6A CN202110107548A CN112924105A CN 112924105 A CN112924105 A CN 112924105A CN 202110107548 A CN202110107548 A CN 202110107548A CN 112924105 A CN112924105 A CN 112924105A
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- splicing seam
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- 238000001514 detection method Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 170
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 239000003566 sealing material Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Abstract
The invention discloses a device and a method for detecting the water resistance of a joint of a comprehensive pipe gallery, wherein the device comprises the following components: a flexible sealing strip is arranged at the position, close to the splicing seam of the pipe gallery, of the detection water tank; the water injection device is arranged on the detection water tank far away from the splicing seam of the pipe gallery; and the pressure device is arranged on the detection water tank. The device can detect the joints in the construction stage of the comprehensive pipe gallery, can find whether the joints have leakage problems as early as possible in the construction period, and prevents leakage from occurring after backfilling to increase the maintenance cost; modularized design, convenient to use, maneuverability is strong, and the range of application is wide, both can use at the piping lane top, also can use in the side.
Description
Technical Field
The invention belongs to the field of building construction, and particularly relates to a device and a method for detecting the water resistance of a joint of a comprehensive pipe gallery.
Background
In recent years, the building of pipe galleries is hot in China. The seam crossing of prefabricated utility tunnel is waterproof short slab, and the infiltration problem of seam crossing is the key that influences prefabricated utility tunnel's security and durability. The main construction process of piping lane does, carries out the earthwork excavation earlier, then carries out prefabricated utility tunnel installation in the foundation ditch, carries out the earthwork after the installation is checked and accepted and backfills. If leakage occurs after the earthwork is backfilled, the leakage point searching and the maintenance are difficult. Consequently, after the piping lane installation, carry out the concealed engineering before backfilling, waterproof detection of piping lane seam department and acceptance check are very important. The splicing seams are different in size and large, and corresponding waterproof detection devices are not temporarily arranged.
At present, the water storage test is carried out on the waterproof detection of the joint, and a water storage tank needs to be built, so that the process is complicated, and time and labor are wasted. The patent CN110954274A is an assembled piping lane waterproof test device and method need use a large amount of water when detecting, economic inadequately.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a device and a method for detecting the water resistance of the joint of a comprehensive pipe gallery, which can overcome the defects in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the utility model provides a waterproof device that detects of utility tunnel seam crossing, the device includes:
a flexible sealing strip is arranged at the position, close to the splicing seam of the pipe gallery, of the detection water tank;
at least one water injection device, install in keeping away from piping lane concatenation seam department on the detection basin:
the pressure device is arranged on the detection water tank;
when the vertical surface of the splicing seam of the pipe gallery is detected, the detection water tank is arranged on the bracket; and sealing materials are arranged on the unconnected holes of the detection water tank and the water injection device.
Further, the water injection device includes:
the water storage barrel is arranged on the detection water tank through a connecting bolt;
the switch valve is arranged at the lower part of the water storage barrel close to the detection water tank;
the water filling port is arranged on the upper part of the water storage barrel far away from the detection water tank.
Further, the support can be adjusted in height.
Furthermore, the water storage barrel is provided with scale marks.
On the other hand, the invention provides a waterproof detection method for the joint of a comprehensive pipe gallery, which comprises the following steps:
s1: cleaning dust at the splicing seams of the pipe gallery by using a brush;
s2: if the plane of the pipe gallery splicing seam is detected, namely the upper surface part of the pipe gallery splicing seam is detected, the detection water tank is horizontally placed on the pipe gallery splicing seam; if the vertical surface of the pipe gallery splicing seam is detected, namely the side surface part of the pipe gallery splicing seam is detected, the detection water tank is vertically placed on the support along the pipe gallery splicing seam on the vertical surface of the pipe gallery, and the support is adjusted to an appropriate height, so that the flexible sealing strip is well contacted with the pipe gallery splicing seam on the vertical surface;
s3: finely adjusting the detection water tank to enable the splicing seam of the pipe gallery to be located in the middle position of the detection water tank, sealing the position, where the periphery of the flexible sealing strip is detected to be in contact with the pipe gallery, with a sealant, connecting the water storage barrel with the detection water tank, and connecting a water source with a water filling port;
s4: and opening a switch valve, injecting water through the water injection port, starting timing after the pressure device reaches the planned water pressure, pressurizing for 20-30 min, and observing whether the corresponding position of the pipeline on the inner side of the splicing seam of the pipe gallery has leakage.
Further, the leakage is classified into three grades, wherein the first grade is that moisture and watermarks are observed; the second level is the existence of water drops or the gradual diffusion of the watermark is observed; and the third stage is to form water flow, and water flow is sprayed at the joint.
The invention has the beneficial effects that: the device can detect the joints in the construction stage of the comprehensive pipe gallery, can find whether the joints have leakage problems as early as possible in the construction period, and prevents leakage from occurring after backfilling to increase the maintenance cost; modularized design, convenient to use, maneuverability is strong, and the range of application is wide, both can use at the piping lane top, also can use in the side.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the device for detecting water resistance at the joint of the comprehensive pipe rack in planar use;
FIG. 2 is a schematic structural view of the waterproof detection device for the joint of the utility tunnel in a vertical face in use;
FIG. 3 is a schematic view of a bracket used in the facade of the waterproof detection device for the joints of the utility tunnel according to the present invention;
fig. 4 is a schematic view of the waterproof detection device for the joint of the utility tunnel according to the present invention.
In the figure: 1: a pipe gallery; 2: splicing seams of the pipe gallery; 3: a support; 4: a water injection port; 5: a water storage barrel; 6: a pressure gauge; 7: detecting a water tank; 8: a flexible sealing strip; 9: an on-off valve; 10: and connecting the bolts.
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 drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, a device for waterproof detection of utility tunnel seam department, the device includes:
and a flexible sealing strip 8 is arranged at the position, close to the pipe gallery splicing seam 2, of the detection water tank 7.
For example, flexible sealing strip 8 is pasted around the contact of detection basin 7 and piping lane 1, adopts flexible sealing strip 8 purpose in order to guarantee to make detection basin 7 and piping lane 1 sealing contact make the water of pouring into not spill over from detection basin 7 and piping lane 1 contact surface.
And the water injection device is arranged on the detection water tank 7 far away from the splicing seam 2 of the pipe gallery.
For example, as shown in fig. 1, when the detection is plane detection, the water injection device is connected with the horizontal upper surface of the detection water tank 7; as shown in fig. 2, when the detection is the vertical detection, the water injection device is connected with the vertical surface of the detection water tank 7. The remaining through holes on the detection water tank 7, which are not in contact with the detection water tank 7, of the water injection device are sealed by sealing materials, so that the sealing performance of the detection water tank 7 is ensured.
The pressure device is arranged on the detection water tank 7 and comprises a pressure gauge 6;
when the vertical surface of the pipe gallery splicing seam 2 is detected, the detection water tank 7 is arranged on the bracket 3; and sealing materials are arranged on the holes which are not connected with the detection water tank 7 and the water injection device. The height of the bracket 3 can be adjusted in order to measure the pipe gallery splicing seams 2 at different positions.
In some embodiments of the invention, the water injection means comprises:
a water storage barrel 5 which is arranged on the detection water tank 7 through a connecting bolt 10;
the switch valve 9 is arranged at the lower part of the water storage barrel 5 close to the detection water tank 7;
and the water filling port 4 is arranged at the upper part of the water storage barrel 5 far away from the detection water tank 7.
Example (b):
a device for waterproof detection of the joint of a comprehensive pipe gallery is composed of a bracket 3; a water injection port 4; a water storage barrel 5; a pressure gauge 6; a detection water tank 7; a flexible sealing strip 8; an on-off valve 9; the connecting bolt 10. The connection mode of the detection water tank 7 and the water storage barrel 5 is bolt connection, and the connection mode can be divided into two modes, namely figure 1 and figure 2, and is respectively suitable for plane detection and vertical surface detection. And cleaning dust at the splicing seams 2 of the pipe gallery by using a brush. If the plane of the pipe gallery splicing seam 2 is detected, namely the upper surface part of the pipe gallery splicing seam is detected, the detection water tank 7 is horizontally placed on the seam; if carry out 2 facades of piping lane concatenation seam and examine time measuring, when detecting 2 side surface positions of piping lane concatenation seam promptly, detect basin 7 and vertically place on the support along piping lane facade concatenation seam, adjust support 3 to suitable height, make flexible sealing strip 8 and 2 contacts well of facade concatenation seam. Finely tune and detect basin 7 and make the seam be in and detect basin 7 intermediate position, will detect basin flexible seal strip 8 with sealed glue and seal up with piping lane contact position all around, be connected water storage bucket 5 with detecting basin 7, the connected mode adopts bolted connection, is connected water source and water filling port 4. Opening the switch valve 9, filling water into the device, starting timing after the pressure gauge 6 reaches the planned water pressure, pressurizing for 20-30 min, observing whether the corresponding position on the inner side of the pipe gallery joint 2 has leakage, wherein the leakage can be divided into three grades, and the first grade is that moisture and watermarks can be observed; the second level is the existence of water drops or the gradual diffusion of the watermark can be observed; and the third stage is to form water flow, and water flow is sprayed at the joint. And establishing a maintenance scheme according to the corresponding grade.
In some embodiments of the invention, the stand 3 is height adjustable.
In some embodiments of the present invention, the water storage barrel 5 is provided with scale marks for measuring the amount of water in the water storage barrel 5, so as to control the water pressure.
In another aspect, the invention provides a method for detecting water resistance of a joint of a comprehensive pipe rack, which comprises the following steps:
step S1: cleaning dust at the splicing seams 2 of the pipe gallery by using a brush;
step S2: if the plane of the pipe gallery splicing seam 2 is detected, namely the upper surface part of the pipe gallery splicing seam 2 is detected, the detection water tank 7 is horizontally placed on the pipe gallery splicing seam 2; if the vertical surface of the pipe gallery splicing seam 2 is detected, namely the side surface part of the pipe gallery splicing seam 2 is detected, the detection water tank 7 is vertically placed on the support 3 along the pipe gallery splicing seam 2 on the vertical surface of the pipe gallery 1, and the support 3 is adjusted to an appropriate height, so that the flexible sealing strip 8 is well contacted with the vertical surface pipe gallery splicing seam 2;
step S3: finely adjusting the detection water tank 7 to enable the pipe gallery splicing seam 2 to be located in the middle of the detection water tank 7, sealing the position, in contact with the pipe gallery, of the periphery of the flexible sealing strip 8 by using a sealant, connecting the water storage barrel 5 with the detection water tank 7, and connecting a water source with the water filling port 4;
step S4: and opening the switch valve 9, injecting water through the water injection port 4, timing after the pressure device reaches the planned water pressure, pressurizing for 20-30 min, and observing that no leakage exists at the corresponding position of the pipeline on the inner side of the splicing seam 2 of the pipe gallery.
In some embodiments of the present invention, as shown in fig. 1, the structure is a structural style during plane detection, in the structure, a detection water tank 7 is placed on a pipe gallery splicing seam 2, a flexible sealing strip 8 is arranged around the bottom of the detection water tank 7 at a contact position of the detection water tank 7 and the pipe gallery splicing seam 2, and the purpose of the flexible sealing strip 8 is to seal the detection water tank 7 and the pipe gallery splicing seam 2 to prevent water leakage. A pressure gauge 6 for detecting the pressure in the detection water tank 7 is exposed on the upper surface of the detection water tank 7. The middle position of the upper surface of the detection water tank 7 is connected with a water storage barrel 5 through a connecting bolt 10, the outer surface of the lower part of the water storage barrel 5 is provided with a convex switch valve 9, the water storage barrel 5 is also provided with a scale value, and the scale value is arranged on the upper part of the switch valve 9 and used for measuring the water quantity in the water storage barrel 5. The upper surface of the water storage barrel 5 is connected with a water injection hole. Because of the plane detection, the connecting hole between the detection water tank 7 and the water storage barrel 5 which are not used at the right side of the detection water barrel 7 are sealed by a sealing material, and water leakage is prevented.
In some embodiments of the present invention, as shown in fig. 2, the detection water tank 7 is placed on the pipe gallery joint seam 2, and a flexible sealing strip 8 is disposed around the bottom of the detection water tank 7 at the contact position of the detection water tank 7 and the pipe gallery joint seam 2, where the flexible sealing strip 8 is used to seal the detection water tank 7 and the pipe gallery joint seam 2, so as to prevent water leakage. A pressure gauge 6 is exposed on the right surface of the detection water tank 7 to detect the pressure in the detection water tank 7. The middle position of the upper surface of the side surface of the detection water tank 7 is connected with a water storage barrel 5 through a connecting bolt 10, the outer surface of the lower part of the water storage barrel 5 is provided with a raised switch valve 9, the water storage barrel 5 is also provided with a scale value, and the scale value is arranged on the upper part of the switch valve 9 and used for measuring the amount of water in the water storage barrel 5. The upper surface of the water storage barrel 5 is connected with a water injection hole. Because of the vertical surface detection, the connecting hole between the detection water tank 7 and the water storage barrel 5 which is not used at the right side of the detection water tank 7 is sealed by a sealing material, so that water leakage is prevented. During detection, the lower bottom surface of the detection water tank 7 is placed on the bracket 3.
In some embodiments of the invention, the leakage is classified into three levels, one being the observation of wetness, a watermark; the second level is the existence of water drops or the gradual diffusion of the watermark is observed; and the third stage is to form water flow, and water flow is sprayed at the joint.
The device can detect the joints in the construction stage of the comprehensive pipe gallery, can find whether the joints have leakage problems as early as possible in the construction period, and prevents leakage from occurring after backfilling to increase the maintenance cost; modularized design, convenient to use, maneuverability is strong, and the range of application is wide, both can use at the piping lane top, also can use in the side.
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 (6)
1. The utility model provides a waterproof device that detects of utility tunnel seam crossing which characterized in that includes:
a flexible sealing strip (8) is arranged at the position, close to the pipe gallery splicing seam (2), of the detection water tank (7);
at least one water injection device is arranged on the detection water tank (7) far away from the splicing seam (2) of the pipe gallery;
the pressure device is arranged on the detection water tank (7);
when the vertical surface of the pipe gallery splicing seam (2) is detected, the detection water tank (7) is arranged on the bracket (3); and sealing materials are arranged on the unconnected holes of the detection water tank (7) and the water injection device.
2. The utility model provides a device of waterproof detection of utility tunnel seam crossing of claim 1, characterized in that, the water injection device includes:
the water storage barrel (5) is arranged on the detection water tank (7) through a connecting bolt (10);
the switch valve (9) is arranged at the lower part of the water storage barrel (5) close to the detection water tank (7);
and the water injection port (4) is arranged at the upper part of the water storage barrel (5) far away from the detection water tank (7).
3. Device for the detection of the waterproofing of utility tunnel joints according to claim 1, characterized in that the height of the bracket (3) is adjustable.
4. The utility tunnel joint waterproof detection device according to claim 2, characterized in that the water storage barrel (5) is provided with graduation marks.
5. A method for water-proofing detection at a joint of a utility tunnel, characterized in that the device for water-proofing detection of any of claims 1 to 4 is used, the method comprising:
s1: cleaning dust at the splicing seams (2) of the pipe gallery by using a brush;
s2: if the plane of the pipe gallery splicing seam (2) is detected, namely the upper surface part of the pipe gallery splicing seam (2) is detected, the detection water tank (7) is horizontally placed on the pipe gallery splicing seam (2); if the vertical surface of the pipe gallery splicing seam (2) is detected, namely the side surface part of the pipe gallery splicing seam (2) is detected, the detection water tank (7) is vertically placed on the support (3) along the pipe gallery splicing seam (2) on the vertical surface of the pipe gallery, and the support (3) is adjusted to an appropriate height, so that the flexible sealing strip (8) is well contacted with the pipe gallery splicing seam (2) on the vertical surface;
s3: finely adjusting the detection water tank (7) to enable the pipe gallery splicing seam (2) to be located in the middle of the detection water tank (7), using sealant to seal the position, in contact with the pipe gallery, of the periphery of the flexible sealing strip (8), connecting the water storage barrel (5) with the detection water tank (7), and connecting a water source with the water filling port (4);
s4: and opening the switch valve (9), injecting water through the water injection port (4), timing after the pressure device reaches the planned water pressure, pressurizing for 20-30 min, and observing that no leakage exists at the corresponding position of the pipeline on the inner side of the splicing seam (2) of the pipe gallery.
6. The method for detecting the water tightness of the joints of the comprehensive pipe gallery according to claim 5, wherein the seepage is classified into three grades, wherein one grade is that moisture and watermarks are observed; the second level is the existence of water drops or the gradual diffusion of the watermark is observed; and the third stage is to form water flow, and water flow is sprayed at the joint.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110107548.6A CN112924105A (en) | 2021-01-25 | 2021-01-25 | Device and method for waterproof detection of joint of comprehensive pipe gallery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110107548.6A CN112924105A (en) | 2021-01-25 | 2021-01-25 | Device and method for waterproof detection of joint of comprehensive pipe gallery |
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| CN112924105A true CN112924105A (en) | 2021-06-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432806A (en) * | 2021-06-23 | 2021-09-24 | 广州地铁设计研究院股份有限公司 | Pressure waterproof test system for assembly type connector |
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| CN207231732U (en) * | 2017-09-01 | 2018-04-13 | 深圳市路桥建设集团有限公司 | A kind of assembled piping lane joint waterproofing test device |
| CN109459363A (en) * | 2018-10-19 | 2019-03-12 | 上海城建市政工程（集团）有限公司 | A kind of watertight test method at piping lane straight cut |
| CN110763409A (en) * | 2019-11-27 | 2020-02-07 | 江苏省建筑工程质量检测中心有限公司 | Method and device for detecting sealing performance of splicing seams of comprehensive pipe gallery |
| CN111595535A (en) * | 2020-06-08 | 2020-08-28 | 合肥工业大学 | Tunnel joint leakage detection device and using method thereof |
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2021
- 2021-01-25 CN CN202110107548.6A patent/CN112924105A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206337590U (en) * | 2016-12-28 | 2017-07-18 | 衡水益通管业股份有限公司 | A kind of package seal checker of assembled steel pipe gallery |
| CN207231732U (en) * | 2017-09-01 | 2018-04-13 | 深圳市路桥建设集团有限公司 | A kind of assembled piping lane joint waterproofing test device |
| CN109459363A (en) * | 2018-10-19 | 2019-03-12 | 上海城建市政工程（集团）有限公司 | A kind of watertight test method at piping lane straight cut |
| CN110763409A (en) * | 2019-11-27 | 2020-02-07 | 江苏省建筑工程质量检测中心有限公司 | Method and device for detecting sealing performance of splicing seams of comprehensive pipe gallery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113432806A (en) * | 2021-06-23 | 2021-09-24 | 广州地铁设计研究院股份有限公司 | Pressure waterproof test system for assembly type connector |
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