CN215115020U - Waterproof test device of prefabricated assembled piping lane interface - Google Patents
Waterproof test device of prefabricated assembled piping lane interface Download PDFInfo
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- CN215115020U CN215115020U CN202122458491.2U CN202122458491U CN215115020U CN 215115020 U CN215115020 U CN 215115020U CN 202122458491 U CN202122458491 U CN 202122458491U CN 215115020 U CN215115020 U CN 215115020U
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Abstract
The utility model provides a waterproof test device of prefabricated assembled piping lane interface includes: the outer peripheral side of the first sealing steel ring is provided with a first elastic sealing element, and the inner peripheral side of the first sealing steel ring is distributed with a plurality of first penetrating holes; the outer peripheral side of the second sealing steel ring is provided with a second elastic sealing element, the inner peripheral side of the second sealing steel ring is provided with a plurality of second penetrating holes, the first sealing steel ring and the second sealing steel ring are butted along the axial direction, and a butt joint gap is formed between the first sealing steel ring and the second sealing steel ring; the gap sealing assembly is clamped between the first sealing steel ring and the second sealing steel ring and seals the inner peripheral side of the butt joint gap, and a water storage cavity is formed on the outer peripheral side of the butt joint gap; the fastener is arranged in the corresponding first penetrating hole and the second penetrating hole in a penetrating mode, and at least one penetrating hole in the first penetrating hole and the second penetrating hole is a long hole with a long structure in the radial direction. The prefabricated assembled pipe gallery interface waterproof test device disclosed can perform water tightness test on the prefabricated pipe joints under the condition of relative dislocation during assembly.
Description
Technical Field
The invention relates to the technical field of building waterproofing, in particular to a prefabricated assembly type pipe gallery interface waterproofing test device.
Background
Prefabricated assembled utility tunnel is formed by the concatenation of prefabricated tube coupling mostly, and prefabricated tube coupling adopts reinforced concrete structure more. Because of the piping lane sets up in the underground, be in the environment that groundwater surrounds, interface percolating water problem easily appears. During the installation of prefabricated tube coupling, because of construction error, the dislocation easily appears in the kneck of two adjacent prefabricated tube couplings, more can weaken the waterproof performance of its interface, therefore prefabricated tube coupling interface often is waterproof weak link, need verify the rationality of piping lane structure waterproof design through prototype structure's water tightness test.
Disclosure of Invention
The embodiment of the disclosure provides a waterproof test device of prefabricated assembled piping lane interface, and the structure is more reasonable, applicable in the watertight performance capability test under the condition that prefabricated tube coupling produced relative dislocation when the assembly.
The technical scheme provided by the disclosure is as follows:
the embodiment of the present disclosure provides a waterproof test device of prefabricated assembled piping lane interface, include:
the outer peripheral side of the first sealing steel ring is provided with a first elastic sealing element arranged around the first sealing steel ring, and the inner peripheral side of the first sealing steel ring is distributed with a plurality of first penetrating holes;
the outer peripheral side of the second sealing steel ring is provided with a second elastic sealing element arranged around the first sealing steel ring, the inner peripheral side of the second sealing steel ring is distributed with a plurality of second penetrating holes which are in one-to-one correspondence with the first penetrating holes, and the first sealing steel ring and the second sealing steel ring are butted along the axial direction so as to form a butt joint gap between the first sealing steel ring and the second sealing steel ring;
the gap sealing assembly is clamped between the first sealing steel ring and the second sealing steel ring and seals the inner peripheral side of the butt joint gap, and a water storage cavity is formed on the outer peripheral side of the butt joint gap; and
the fasteners are arranged in the corresponding first penetrating holes and the second penetrating holes in a penetrating mode, and at least one penetrating hole in the first penetrating holes and the second penetrating holes is a long hole with a long structure in the radial direction.
Illustratively, the first and second seal steel rings each have a steel ring structure made of H-section steel, the inner circumferential side of the steel ring structure having a first groove opening toward the inner circumferential side, and the outer circumferential side of the steel ring structure having a second groove opening toward the outer circumferential side.
Illustratively, an angle steel is arranged at the inner corner of the first groove.
Illustratively, the first elastic sealing element is clamped and fixed between the angle steel and the inner side wall of the first groove on the first sealing steel ring; and on the second sealing steel ring, the second elastic sealing element is clamped and fixed between the angle steel and the inner side wall of the first groove.
Illustratively, at least one of the first and second resilient seals comprises:
the inflation part is arranged around the first sealing steel ring;
the elastic sealing part is arranged around the first sealing steel ring, the elastic sealing part and the inflating part are connected into a whole, and the elastic sealing part is positioned on the outer peripheral side of the inflating part;
the inflation part can be inflated or deflated to drive the elastic sealing part to move towards the direction of the outer periphery or towards the direction of the inner periphery.
Illustratively, the cross section of the inflation part is rectangular, and an inflation cavity is arranged in the middle of the inflation part; the cross section of the elastic sealing part is rectangular.
Illustratively, the slit seal assembly includes: the sealing structure comprises a first sealing ring, a second sealing ring and a gap filling steel plate clamped between the first sealing ring and the second sealing ring.
In an exemplary embodiment, at least one of the first sealing steel ring and the second sealing steel ring is provided with a water injection hole communicated with the water storage cavity.
Exemplarily, the water storage cavity is provided with an exhaust pipe communicated with the water storage cavity, and the exhaust pipe is provided with an exhaust valve.
Illustratively, a plurality of third penetrating holes which are in one-to-one correspondence with the first penetrating holes are formed in the gap sealing assembly, and the fasteners are further penetrated in the third penetrating holes.
The beneficial effects brought by the embodiment of the disclosure are as follows:
the waterproof test device of prefabricated assembled piping lane interface that this disclosed embodiment provided, first sealed steel ring passes through the fastener with the second sealed steel ring and docks together along axial direction, wherein wear the dress hole that sets up on at least one in first sealed steel ring and the second sealed steel ring is the rectangular hole that extends along radial direction, like this, when carrying out the water proofness test to prefabricated assembled piping lane interface, the relative dislocation distance of adjustable first sealed steel ring and second sealed steel ring, the misalignment phenomenon that probably exists when simulating two sections prefabricated pipe joints of piping lane actual installation to testable kneck water proofness under the misalignment condition of two sections prefabricated pipe joints installation.
Drawings
Fig. 1 is an installation schematic diagram of the prefabricated assembled pipe gallery interface waterproof test device of the utility model;
fig. 2 is a schematic sectional view of the prefabricated assembled pipe gallery interface waterproof test device of the present invention;
FIG. 3 is a standard cross-sectional view of the prefabricated assembled pipe rack interface waterproof test device of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;
fig. 6 is a sectional view taken along line C-C of fig. 2.
The reference numbers in the drawings are as follows:
a first prefabricated pipe section 10; a second prefabricated pipe section 20; a pipe joint water stop rubber strip 30; a first sealing steel ring 100; a first resilient seal 110; an inflation portion 111; an inflation lumen 1110; an elastic seal portion 112; a first through hole 120; a second sealing steel ring 200; a first groove 200 a; a second groove 200 b; angle steel 200 c; a second resilient seal 210; a second through hole 220; a gap seal assembly 300; a fastener 400; a first seal ring 310; a second seal ring 320; a caulking steel plate 330; sealing the water cavity A; an inflation hole 500; a water injection hole 600; an exhaust pipe 700; and an exhaust valve 800.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 to 6, in the embodiment of the present disclosure, a prefabricated assembled pipe gallery interface waterproof test apparatus is provided, including a first sealing steel ring 100, a second sealing steel ring 200, a gap sealing assembly 300, and a fastener 400; a first elastic sealing element 110 arranged around the first sealing steel ring 100 is arranged on the outer peripheral side of the first sealing steel ring 100, and a plurality of first penetrating holes 120 are distributed on the inner peripheral side; a second elastic sealing element 210 arranged around the first sealing steel ring 100 is arranged on the outer peripheral side of the second sealing steel ring 200, and a plurality of second penetrating holes 220 corresponding to the first penetrating holes 120 one by one are distributed on the inner peripheral side; the first sealing steel ring 100 and the second sealing steel ring 200 are butted along an axial direction to form a butt gap between the first sealing steel ring 100 and the second sealing steel ring 200; the gap sealing assembly 300 is clamped between the first sealing steel ring 100 and the second sealing steel ring 200, and seals the inner circumference side of the butt joint gap, so that the outer circumference side of the butt joint gap forms a water storage cavity. The fastener 400 is inserted into the corresponding first insertion hole 120 and second insertion hole 220 to butt the first sealing steel ring 100 and the second sealing steel ring 200 together, and at least one of the first insertion hole 120 and the second insertion hole 220 is a long hole having a longitudinal structure in a radial direction.
In the scheme, the first sealing steel ring 100 and the second sealing steel ring 200 are both polygonal structures to adapt to the shape of the inner opening of the prefabricated pipe joint of the tested pipe gallery and are arranged at the interface of two adjacent first prefabricated pipe joints 10 and second prefabricated pipe joints 20 of the assembled comprehensive pipe gallery. The first sealing steel ring 100 and the second sealing steel ring 200 are respectively arranged on the inner wall close to the joint of the first prefabricated pipe joint 10 and the second prefabricated pipe joint 20 and are embedded into the pipe orifice for a certain depth. The inner peripheral side of the butt joint gap between the first sealing steel ring 100 and the second sealing steel ring 200 is sealed by a gap sealing assembly 300, and a water storage cavity is formed on the outer peripheral side, when a water tightness test is carried out, the outer peripheral side of the interface of the first prefabricated pipe joint 10 and the second prefabricated pipe joint 20 is sealed by a pipe joint water stop rubber strip 30, the first sealing steel ring 100 is in contact sealing with the inner wall of the first prefabricated pipe joint 10 through a first elastic sealing element 110, and the second sealing steel ring 200 is in contact sealing with the inner wall of the second prefabricated pipe joint 20 through a second elastic sealing element 210, so that the water storage cavity can form a closed water cavity A, water is injected into the closed water cavity A, the sealing performance of the interface is tested, and if water seepage and water dripping do not occur, the test is passed.
One of the first and second through holes 120 and 220 may be a circular hole, and the other may be a long hole extending in the radial direction. When the water tightness test is performed on the interface between the first prefabricated pipe joint 10 and the second prefabricated pipe joint 20, the relative dislocation distance between the first sealing steel ring 100 and the second sealing steel ring 200 can be adjusted by adjusting the relative positions of the first penetrating hole 120 and the second penetrating hole 220, so that the misalignment phenomenon which may exist during the actual installation of the pipe gallery pipe joint can be simulated, and the water tightness under the misalignment condition of the installation of the pipe joint can be tested.
In some exemplary embodiments, the first and second sealing steel rings 100 and 200 each have a steel ring structure made of H-shaped steel, the inner circumferential side of which has a first groove 200a opening toward the inner circumferential side, and the outer circumferential side of which has a second groove 200b opening toward the outer circumferential side. With this arrangement, the rigidity of the first and second seal steel rings 100 and 200 is large.
Illustratively, an angle steel 200c is arranged at the inner corner of the first groove 200 a. By welding the angle steel 200c in the H-beam, the rigidity of the first and second seal steel rings 100 and 200 is further increased.
Illustratively, on the first seal steel ring 100, the first elastic seal member 110 is clamped and fixed between the angle steel 200c and the inner side wall of the first groove 200 a; on the second seal steel ring 200, the second elastic seal 210 is clamped and fixed between the angle steel 200c and the inner side wall of the first groove 200 a. With such an arrangement, the radial pressure of the first elastic sealing element 110 and the second elastic sealing element 210 on the inner wall of the concrete prefabricated pipe section and the steel ring when sealing with the prefabricated pipe section can be reduced.
Illustratively, the first and second resilient seals 110, 210 may be the same or different in structure. Taking the first elastic sealing member and the second elastic sealing member as an example, referring to the drawings, the first elastic sealing member includes: a gas-filled portion 111 provided around the first sealing steel ring 100; the elastic sealing part 112 is arranged around the first sealing steel ring 100, the elastic sealing part 112 and the inflating part 111 are connected into a whole, and the elastic sealing part 112 is positioned on the outer peripheral side of the inflating part 111; the inflation portion 111 can be inflated or deflated to drive the elastic sealing portion 112 to move toward the outer circumferential direction or the inner circumferential direction.
Illustratively, the cross section of the inflation part 111 is rectangular, and an inflation cavity 1110 is arranged in the middle of the inflation part; the cross-section of the elastic sealing part 112 is rectangular. With the arrangement, the section of the elastic sealing part 112 is rectangular, and during a water tightness test, high-pressure gas is filled into the inflating part 111 to expand the inflating part 111, so that the elastic sealing part 112 is tightly attached to the inner wall of the prefabricated pipe joint to form a closed water cavity A.
Illustratively, the slit seal assembly 300 includes: a first seal ring 310, a second seal ring 320, and a caulk plate 330 sandwiched between the first seal ring 310 and the second seal ring 320. Specifically, as shown, the gap seal assembly 300 may include 1 caulk plate 330, a first seal ring 310, and a second seal ring 320. Wherein, the first sealing ring 310 and the second sealing ring 320 can both adopt sealing rubber sheets.
Illustratively, the gap sealing assembly 300 is provided with a plurality of third through holes corresponding to the first through holes 120 one to one, and the fasteners 400 are further inserted into the third through holes. That is, the first sealing steel ring 100 and the second sealing steel ring 200 may be coupled together by the fastening member 400, and the caulking steel plate 330, the first sealing ring 310, and the second sealing ring 320 may be coupled together. Wherein the fastener 400 may be any suitable fastener 400 such as a bolt.
Illustratively, the first sealing steel ring 100 and the second sealing steel ring 200 are respectively provided with an inflation hole 500, which is respectively communicated with the inflation cavities 1110 of the first elastic sealing element 110 and the second elastic sealing element 210, so as to inflate the inflation portion 111 with gas such as high-pressure nitrogen or air, and pressurize the inflation portion 111 to expand, so that the elastic sealing portion 112 is tightly attached to the inner wall of the concrete pipe section.
In addition, for example, at least one of the first sealing steel ring 100 and the second sealing steel ring 200 is provided with a water injection hole 600 communicated with the water storage cavity. Adopt above-mentioned scheme, the water injection hole stretches into in the water storage chamber to be used for to water injection in the water storage chamber (sealing water cavity A promptly), in order to verify the water proofness of prefabricated assembled piping lane tube coupling interface.
Preferably, the water storage cavity is provided with an exhaust pipe 700 communicated with the water storage cavity, and the exhaust pipe 700 is provided with an exhaust valve 800. Specifically, an exhaust pipe 700 communicated with the water storage cavity is arranged, and the upper end of the exhaust pipe 700 extends to the highest point of the water storage cavity, namely the closest position point of the water storage cavity and the prefabricated pipe joint, so that when a water tightness test is started, gas in the closed water cavity A is discharged, and the closed water cavity A can be filled with water.
Furthermore, the utility model discloses first sealed steel ring 100 and the sealed steel ring 200 of second can have a plurality of steel section welding to form among the prefabricated assembled piping lane interface water proof testing device, reasonable in design, sealing performance is good.
Following right the utility model discloses prefabricated assembled piping lane interface water proof test device explains the method of testing assembled utility tunnel coupling interface water proofness: during the water tightness test process, the method mainly comprises the following steps:
step S1, respectively and fixedly arranging the first sealing steel ring 100 and the second sealing steel ring 200 at the interface of two adjacent first prefabricated pipe joints 10 and second prefabricated pipe joints 20 of the fabricated comprehensive pipe gallery, and installing the first prefabricated pipe joints 10 and the second prefabricated pipe joints 20 together according to the designed connection method so as to carry out a water tightness test.
Wherein, the operator opens the charging valve 6, and uses non-corrosive gas such as high-pressure nitrogen or air to pressurize the charging part 111, so that it expands, and the elastic sealing part 112 is tightly attached to the inner wall of the prefabricated pipe joint, forming a closed water cavity a.
And step S2, opening a water injection valve and an exhaust valve, injecting clear water into the closed water cavity A (water storage cavity), closing the exhaust valve after the exhaust valve starts to continuously discharge water, testing the sealing performance of the interface at a pre-designed water injection pressurization pressure, and passing the test if no water seepage or water dripping occurs.
Step S3, after the test is finished, discharging the gas in the inflatable part 111 to release the pressure inside the inflatable part 111; loosening the joints of the adjacent first prefabricated pipe joint 10 and the second prefabricated pipe joint 20 to discharge the water in the closed water cavity A;
step S4, when the water tightness under the condition of relative dislocation delta between the two pipe joints needs to be tested, loosening the fasteners 400 uniformly distributed along the circumferential direction of the steel ring between the first sealing steel ring 100 and the second sealing steel ring 200, after staggering the first sealing steel ring 100 and the second sealing steel ring 200 by the delta distance, respectively installing the first sealing steel ring 100 and the second sealing steel ring 200 at the interfaces of the first prefabricated pipe joint 10 and the second prefabricated pipe joint 20, and then screwing the fasteners 400, so as to perform the water tightness test under the current working condition.
To sum up, the utility model discloses the waterproof test device of prefabricated assembled piping lane interface that provides in some exemplary embodiments compares in prior art, has following beneficial effect:
1) the first sealing steel ring 100 and the second sealing steel ring are made of H-shaped steel with higher rigidity, angle steel 200c is welded in the H-shaped steel, the rigidity of the steel ring structure is further improved, and meanwhile, the contact area between the elastic sealing portion 112 and the concrete prefabricated pipe joint is reduced, so that when the air inflation portion 111 pressurizes, deformation of the steel ring and the concrete prefabricated pipe joint is reduced, higher air pressure can be filled, and a better sealing effect is achieved.
2) An exhaust pipe, an exhaust pipe hole and an exhaust valve which are communicated with the closed water cavity A are designed, and the upper end of the exhaust pipe is communicated with the highest point of the closed water cavity A, so that when water is injected in a water tightness test, air in the closed water cavity A is exhausted, and the closed water cavity A can be filled with water.
3) At least one of the first penetrating hole 120 on the first sealing steel ring 100 and the second penetrating hole 220 on the second sealing steel ring 200 is a strip hole, so that the relative dislocation distance of the two steel rings can be adjusted during a water tightness test, a possible misalignment phenomenon can be simulated during actual installation of a pipe joint of a pipe gallery, and the water tightness of the interface can be tested under the condition that the pipe joint is not centered during installation.
The following points need to be explained:
(1) the drawings of the embodiments of the disclosure only relate to the structures related to the embodiments of the disclosure, and other structures can refer to the common design.
(2) For purposes of clarity, the thickness of layers or regions in the figures used to describe embodiments of the present disclosure are exaggerated or reduced, i.e., the figures are not drawn to scale. It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.
(3) Without conflict, embodiments of the present disclosure and features of the embodiments may be combined with each other to arrive at new embodiments.
The above is only a specific embodiment of the present disclosure, but the scope of the present disclosure is not limited thereto, and the scope of the present disclosure should be determined by the scope of the claims.
Claims (10)
1. The utility model provides a waterproof test device of prefabricated assembled piping lane interface which characterized in that includes:
the outer peripheral side of the first sealing steel ring is provided with a first elastic sealing element arranged around the first sealing steel ring, and the inner peripheral side of the first sealing steel ring is distributed with a plurality of first penetrating holes;
the outer peripheral side of the second sealing steel ring is provided with a second elastic sealing element arranged around the first sealing steel ring, the inner peripheral side of the second sealing steel ring is distributed with a plurality of second penetrating holes which are in one-to-one correspondence with the first penetrating holes, the first sealing steel ring and the second sealing steel ring are butted along the axial direction, and a butt joint gap is formed between the first sealing steel ring and the second sealing steel ring;
the gap sealing assembly is clamped between the first sealing steel ring and the second sealing steel ring and seals the inner peripheral side of the butt joint gap, and a water storage cavity is formed on the outer peripheral side of the butt joint gap; and
the fastener is arranged in the corresponding first penetrating hole and the second penetrating hole in a penetrating mode, and at least one penetrating hole in the first penetrating hole and the second penetrating hole is a long hole with a long-length structure in the radial direction.
2. The prefabricated assembled pipe gallery interface water-proofing test device of claim 1, wherein the first sealing steel ring and the second sealing steel ring are both steel ring structures made of H-section steel, an inner circumferential side of the steel ring structures is provided with a first groove opening to an inner circumferential side, and an outer circumferential side of the steel ring structures is provided with a second groove opening to an outer circumferential side.
3. The prefabricated assembled pipe gallery interface waterproofing test device of claim 2, wherein there is an angle steel at the inside corner of the first groove.
4. The prefabricated assembled pipe gallery interface waterproof test device of claim 3, wherein the first elastic sealing element is clamped and fixed between the angle steel and the inner side wall of the first groove on the first sealing steel ring; and on the second sealing steel ring, the second elastic sealing element is clamped and fixed between the angle steel and the inner side wall of the first groove.
5. The pre-fabricated assembled piping lane interface waterproofing test apparatus according to claim 1, wherein at least one of said first and second resilient seals comprises:
the inflation part is arranged around the first sealing steel ring;
the elastic sealing part is arranged around the first sealing steel ring, the elastic sealing part and the inflating part are connected into a whole, and the elastic sealing part is positioned on the outer peripheral side of the inflating part;
the inflation part can be inflated or deflated to drive the elastic sealing part to move towards the direction of the outer periphery or towards the direction of the inner periphery.
6. The prefabricated assembled pipe gallery interface waterproof test device of claim 5, wherein the cross section of the inflation portion is rectangular, and an inflation cavity is arranged in the middle of the inflation portion; the cross section of the elastic sealing part is rectangular.
7. The pre-fabricated assembled piping lane interface water proof test device of claim 1, characterized in that, the gap seal assembly includes: the sealing structure comprises a first sealing ring, a second sealing ring and a gap filling steel plate clamped between the first sealing ring and the second sealing ring.
8. The prefabricated assembled pipe gallery interface waterproof test device of claim 1, wherein at least one of the first sealing steel ring and the second sealing steel ring is provided with a water injection hole communicated with the water storage cavity.
9. The prefabricated assembled pipe gallery interface waterproof test device of claim 1, wherein the water storage cavity is provided with an exhaust pipe communicated with the water storage cavity, and the exhaust pipe is provided with an exhaust valve.
10. The prefabricated assembled pipe gallery interface waterproof test device of claim 1, wherein a plurality of third penetrating holes corresponding to the first penetrating holes one to one are formed in the gap sealing assembly, and the fasteners are further penetrated in the third penetrating holes.
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| CN202122458491.2U CN215115020U (en) | 2021-10-12 | 2021-10-12 | Waterproof test device of prefabricated assembled piping lane interface |
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| CN202122458491.2U CN215115020U (en) | 2021-10-12 | 2021-10-12 | Waterproof test device of prefabricated assembled piping lane interface |
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