CN219532392U - Device for testing tightness of dyke-penetrating culvert pipe - Google Patents

Abstract

The utility model relates to a tightness test device for a dyke-penetrating culvert pipe, which comprises a support ring, wherein the support ring is at least sleeved with two plugging air bag rings, the plugging air bag rings are provided with air charging holes, the plugging air bag rings are used for being abutted against the inner wall of the culvert pipe, the outer wall of the support ring is provided with a water supply groove along the circumferential direction of the support ring, the water supply groove is communicated with a water delivery pipe, the water supply groove is communicated with an exhaust pipe, the exhaust pipe is provided with a pressure gauge for monitoring the water pressure in the water supply groove, and the support ring is provided with a fixing component for fixing the position of the support ring; the support ring is fixed at the joint of two adjacent culverts through the fixing component, and then the sealing airbag ring and the inner wall of the culvert are inflated to form sealing, pressure medium water is introduced into the water supply tank through the water delivery pipe, the exhaust pipe is sealed after the water completely enters the sealing cavity, and the water pressure in the sealing cavity is kept for a certain time, so that whether a leakage phenomenon exists at a pipeline interface is checked.

Description

Device for testing tightness of dyke-penetrating culvert pipe

Technical Field

The utility model relates to the technical field of culverts, in particular to a device for testing tightness of a dyke-penetrating culvert.

Background

In the current hydraulic engineering, in order to provide convenience for cities or villages, a dyke-penetrating culvert pipe needs to be built in a river dyke, and the water logging and flood control can be achieved while irrigation is met to a certain extent. Culverts refer to pipes buried below the ground surface for water supply, drainage and other purposes, including cement culverts, metal culverts and the like.

According to GB50268 standard, after the pressure pipeline is installed, an integral or sectional functional test is carried out, and the pressure drop value and leakage quantity of the pipeline in the test section under test pressure are safely and effectively detected and used as a judging basis for verifying whether the construction quality of engineering meets functional design requirements and specification requirements. Because the small-diameter pressure pipeline is easy to carry out a hydraulic test, the pressing choke plug is convenient to manufacture, and the required investment is not very large, so the implementation is convenient. However, as the pipe diameter increases, it becomes more difficult to perform a hydrostatic test.

Disclosure of Invention

In order to facilitate the hydrostatic test of culverts with large pipe diameters, the utility model provides a device for testing tightness of a dyke-penetrating culvert pipe.

The utility model provides a device for testing tightness of a dyke-penetrating culvert pipe, which adopts the following technical scheme:

the utility model provides a wear dyke culvert pipe tightness test device, includes the supporting ring, the supporting ring cover is equipped with two shutoff gasbag rings at least, the inflation hole has been seted up to shutoff gasbag ring, shutoff gasbag ring is provided with the shutoff piece that is used for sealing the inflation hole, shutoff gasbag ring is used for the inner wall butt with the culvert pipe, the water supply tank has been seted up along the circumference direction of supporting ring to the outer wall of supporting ring, the water supply tank is located between two shutoff gasbag rings, the water supply tank intercommunication is provided with the raceway, the water supply tank intercommunication is provided with the blast pipe, the blast pipe is provided with the manometer that is used for monitoring the water pressure in the water supply tank, the supporting ring is provided with the fixed subassembly that is used for fixed supporting ring position.

Through adopting above-mentioned technical scheme, fix the supporting ring in the junction of two adjacent culverts through fixed subassembly, then aerify in the shutoff gasbag intra-annular through the gas filling hole, make shutoff gasbag intra-annular warp and outwards expand, thereby make shutoff gasbag intra-annular and culvert inner wall form sealedly, two shutoff gasbag intra-annular and water supply tank and culvert inner wall form a sealed cavity jointly, let in the water supply tank with the pressurized medium water through the raceway, the gas evacuation in the sealed cavity is passed through the blast pipe simultaneously, the blast pipe is sealed after the water gets into sealed cavity completely, and keep the water pressure in the sealed cavity for a certain time, whether the inspection pipeline interface has leakage phenomenon and pipe port to have fine defect, if find leakage or pipe defect then can take the method to remedy in time, be convenient for make the hydrostatic test to the culvert of big pipe diameter.

Optionally, fixed subassembly includes fixed column, screw rod, removal cover and slip column, fixed column and slip column all are used for with the inner wall butt of culvert pipe, the fixed column is provided with the support in the holding ring is fixed, fixed column and leg joint, the coaxial fixed connection of screw rod and fixed column, the slip column is located the fixed column along the length direction slip cap of fixed column, remove the cover thread bush and locate the screw rod, remove cover and slip column butt.

Through adopting above-mentioned technical scheme, through rotating the removal cover for remove the cover and remove along the length direction of screw rod, thereby remove cover and slip post butt drive slip post and slide, make the slip post slide to with the inner wall of culvert pipe support tightly, utilize the frictional force fixed support ring of slip post and culvert pipe inner wall.

Optionally, the fixed cover of one end that the fixed column was kept away from to the screw rod is equipped with the anticreep piece, the anticreep groove has been seted up along the length direction of sliding column to the inner wall of sliding column, the one end that the anticreep groove is close to the fixed column seals the setting, the anticreep piece slides with the anticreep groove and is connected.

Through adopting above-mentioned technical scheme, the anti-disengaging block is favorable to preventing sliding column from breaking away from the screw rod with anti-disengaging groove confined one end butt, the operation of being convenient for.

Optionally, the bottom mounting of fixed column is provided with first piece, first arc face that is used for laminating mutually with the inner wall of culvert pipe is seted up to first piece, the top of sliding column is fixed to be provided with the second piece, the second arc face that is used for laminating mutually with the inner wall of culvert pipe is seted up to the second piece, first arc face and second arc face all are used for with the butt of culvert pipe.

Through adopting above-mentioned technical scheme, first arcwall face and second arcwall face are favorable to increasing the area of contact of the inner wall of first piece and second piece and culvert pipe to increase the fixed effect to the support ring.

Optionally, the fixing column is detachably connected with the bracket.

Through adopting above-mentioned technical scheme, the fixed column can be dismantled with the support and be connected, be convenient for with fixed subassembly and the support ring fixed connection that the size is different to improve fixed subassembly's reuse rate, be favorable to practicing thrift the cost.

Optionally, the support includes first branch and second branch, first branch and second branch fixed connection, first branch is fixed to be set up in the supporting ring, the coaxial fixedly connected with inserted block of second branch, the slot that supplies inserted block male is seted up to the fixed column, inserted block and slot grafting, the fixed column is provided with the mounting that is used for fixed inserted block.

By adopting the technical scheme, the insert block is inserted into the slot, and the insert block is fixed through the fixing piece, so that the fixing column is fixedly connected with the bracket; and removing the constraint action of the fixing piece on the insert block, and driving the fixing column to be separated from the insert block, so that the fixing column can be detached from the bracket.

Optionally, the fixing piece is set to connecting bolt, connecting bolt wears to locate in fixed column and the inserted block simultaneously.

Through adopting above-mentioned technical scheme, connecting bolt can realize the mesh of fixed column and inserted block, and fixed effect is better simultaneously.

Optionally, both sides of the fixed column are hinged with inclined stay bars, and the inclined stay bars are used for being abutted with the inner wall of the culvert pipe.

Through adopting above-mentioned technical scheme, the diagonal brace is favorable to improving the stability of fixed column to increase the fixed effect to the supporting ring.

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

1. the support ring is fixed at the joint of two adjacent culverts through the fixing component, then the air inflation hole is used for inflating the sealing air bag ring, so that the sealing air bag ring deforms and expands outwards, the sealing air bag ring and the inner wall of the culvert are sealed, the two sealing air bag rings, the water supply tank and the inner wall of the culvert form a sealing cavity together, pressure medium water is introduced into the water supply tank through the water pipe, meanwhile, gas in the sealing cavity is exhausted through the exhaust pipe, the exhaust pipe is sealed after the water completely enters the sealing cavity, and the water pressure in the sealing cavity is kept for a certain time, thereby checking whether a leakage phenomenon exists at a pipeline interface and whether fine defects exist at a pipeline port or not, and timely remedying can be adopted if the leakage or the pipeline defects are found;

2. the fixing column is detachably connected with the bracket, so that the fixing component is conveniently and fixedly connected with the support rings with different sizes, the repeated use rate of the fixing component is improved, and the cost is saved;

3. the diagonal brace is favorable for improving the stability of the fixed column, thereby increasing the fixing effect on the supporting ring.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a structure embodying a support ring and a blocking balloon ring in accordance with an embodiment of the present utility model;

fig. 3 is a schematic structural view of a fixing assembly according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a culvert pipe; 2. a support ring; 21. a water supply tank; 22. an exhaust pipe; 23. a branch pipe; 24. a pressure gauge; 25. an exhaust valve; 3. plugging the air sac ring; 31. an inflation tube; 32. a gas pipe; 33. a blocking cover; 34. a water pipe; 4. a bracket; 41. a first strut; 42. a second strut; 421. inserting blocks; 51. fixing the column; 511. a slot; 52. a screw; 521. an anti-falling block; 53. a moving sleeve; 54. a sliding column; 541. an anti-drop groove; 55. a handle; 56. a connecting bolt; 61. a second branch block; 611. a second arcuate surface; 62. a first branch block; 621. a first arcuate surface; 63. an anti-slip bump; 64. and (5) an inclined strut.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a device for testing tightness of a dyke-penetrating culvert pipe.

Referring to fig. 1 and 2, a dyke-penetrating culvert pipe tightness test device comprises a support ring 2 which is used for being fixed at the joint of two culvert pipes 1, wherein two plugging air bag rings 3 are sleeved on the outer wall of the support ring 2 at least, air filling holes are formed in the plugging air bag rings 3, air filling pipes 31 are fixedly arranged in the air filling holes in the two plugging air bag rings 3 in a penetrating mode, the two air filling pipes 31 are communicated through an air pipe 32, the plugging air bag rings 3 are provided with plugging pieces for closing the air filling holes, the plugging pieces are arranged into plugging covers 33, and the plugging covers 33 are sleeved at one ends of the air filling pipes 32 in a threaded mode. The blockage is opened by screwing, and the gas pipe 32 is inflated by using a high-pressure gas pump, so that the two blockage balloon rings 3 are simultaneously bulged and deformed and expand outwards, and the blockage balloon rings 3 and the inner wall of the culvert pipe 1 form a seal.

Referring to fig. 2, the plugging balloon rings 3 are used for abutting against the inner wall of the culvert pipe 1, the outer wall of the support ring 2 is provided with water supply grooves 21 along the circumferential direction of the support ring 2, the water supply grooves 21 are positioned between the two plugging balloon rings 3, and the water supply grooves 21 are communicated with water delivery pipes 34. The water supply tank 21 is provided with an exhaust pipe 22 in communication, and the exhaust pipe 22 is provided with an exhaust valve 25 for exhausting air in the water supply tank 21. The exhaust pipe 22 is provided with a pressure gauge 24 for monitoring the water pressure in the water supply tank 21, the exhaust pipe 22 is provided with a branch pipe 23 in communication, and the pressure gauge 24 is provided on the branch pipe 23.

Referring to fig. 2 and 3, both sides of the support ring 2 are provided with fixing components for fixing the position of the support ring 2, the fixing components include a fixing column 51, a screw 52, a moving sleeve 53 and a sliding column 54, and the fixing column 51 and the sliding column 54 are both used for abutting against the inner wall of the culvert pipe 1. The support ring 2 internal fixation is provided with support 4, and support 4 includes first branch 41 and second branch 42, and first branch 41 and second branch 42 fixed connection and mutually perpendicular, first branch 41 fixed setting are in support ring 2, and the both ends of first branch 41 all with the inner wall fixed connection of support ring 2. One end of the second strut 42 is fixedly connected with one of the fixed columns 51, and the other end is fixedly connected with the other fixed column 51. Both sides of the fixed column 51 are hinged with inclined stay bars 64, and the inclined stay bars 64 are used for abutting against the inner wall of the culvert pipe 1.

Referring to fig. 3, a screw 52 is fixedly connected coaxially with the fixing post 51, and the screw 52 is fixedly provided on a top wall of the fixing post 51. The sliding column 54 is slidably sleeved on the fixed column 51 along the length direction of the fixed column 51, the moving sleeve 53 is threadedly sleeved on the screw 52, the top wall of the moving sleeve 53 is abutted with the bottom wall of the sliding column 54, and the moving sleeve 53 is fixedly provided with a handle 55 so as to facilitate rotation of the moving sleeve 53. The fixed cover of one end that the screw rod 52 kept away from the fixed column 51 is equipped with the anticreep piece 521, and the anticreep groove 541 has been seted up along the length direction of sliding column 54 to the inner wall of sliding column 54, and the one end that the anticreep groove 541 is close to the fixed column 51 sets up, and the anticreep piece 521 is connected with the anticreep groove 541 slides.

Referring to fig. 2 and 3, a first supporting block 62 is fixedly arranged at the bottom end of the fixing column 51, and the first supporting block 62 is provided with a first arc-shaped surface 621 which is used for being attached to the inner wall of the culvert pipe 1. The top end of the sliding column 54 is fixedly provided with a second supporting block 61, the second supporting block 61 is provided with a second arc-shaped surface 611 which is used for being attached to the inner wall of the culvert pipe 1, the second arc-shaped surface 611 is fixedly provided with a plurality of anti-slip convex blocks 63, and the anti-slip convex blocks 63 are arranged along the length direction and the width direction of the second supporting block 61. The first arc surface 621 and the second arc surface 611 are both used for abutting against the inner wall of the culvert pipe 1, and the anti-slip bump 63 is used for abutting against the inner wall of the culvert pipe 1.

Referring to fig. 3, the fixing post 51 is detachably connected with the bracket 4, the second supporting rod 42 is coaxially and fixedly connected with the insert block 421, the fixing post 51 is provided with a slot 511 into which the insert block 421 is inserted, the insert block 421 is inserted into the slot 511, the fixing post 51 is provided with a fixing piece for fixing the insert block 421, the fixing piece is provided with a connecting bolt 56, and the connecting bolt 56 is simultaneously threaded in the fixing post 51 and the insert block 421.

The embodiment of the utility model relates to a device for testing tightness of a dyke-penetrating culvert pipe, which comprises the following implementation principle: by rotating the movable sleeve 53, the movable sleeve 53 moves along the length direction of the screw rod 52, the movable sleeve 53 is abutted with the sliding column 54 so as to drive the sliding column 54 to slide, the sliding column 54 slides to be abutted against the inner wall of the culvert pipe 1, and the friction force between the sliding column 54 and the inner wall of the culvert pipe 1 is utilized to fix the support ring 2 at the joint of two adjacent culvert pipes 1. Then the air inflation holes are used for inflating the sealing air bag rings 3, so that the sealing air bag rings 3 deform and expand outwards, the sealing air bag rings 3 and the inner wall of the culvert pipe 1 form a seal cavity, the two sealing air bag rings 3, the water supply groove 21 and the inner wall of the culvert pipe 1 jointly form a seal cavity, pressure medium water is introduced into the water supply groove 21 through the water pipe 34, meanwhile, air in the seal cavity is exhausted through the exhaust pipe 22, the exhaust pipe 22 is sealed after the water completely enters the seal cavity, and the water pressure in the seal cavity is kept for a certain time, thereby checking whether a leakage phenomenon exists at a pipeline interface and whether fine defects exist at a pipeline port or not, and timely remedying can be adopted if leakage or pipeline defects are found.

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

Claims (8)

1. The utility model provides a wear dyke culvert pipe tightness test device which characterized in that: including supporting ring (2), supporting ring (2) cover is equipped with two shutoff gasbag rings (3) at least, the inflation hole has been seted up to shutoff gasbag ring (3), shutoff gasbag ring (3) are provided with the shutoff piece that is used for sealing the inflation hole, shutoff gasbag ring (3) are used for the inner wall butt with culvert pipe (1), water supply tank (21) have been seted up along the circumference direction of supporting ring (2) to the outer wall of supporting ring (2), water supply tank (21) are located between two shutoff gasbag rings (3), water supply tank (21) intercommunication is provided with raceway (34), water supply tank (21) intercommunication is provided with blast pipe (22), blast pipe (22) are provided with manometer (24) that are used for monitoring the water pressure in water supply tank (21), supporting ring (2) are provided with the fixed subassembly that is used for fixed supporting ring (2) position.

2. The dyke-penetrating culvert pipe tightness test device of claim 1, wherein: the utility model provides a fixed subassembly includes fixed column (51), screw rod (52), removes cover (53) and slip column (54), fixed column (51) and slip column (54) all are used for with the inner wall butt of culvert pipe (1), support ring (2) internal fixation is provided with support (4), fixed column (51) are connected with support (4), coaxial fixed connection of screw rod (52) and fixed column (51), fixed column (51) are located along the length direction slip cap of fixed column (51) to slip column (54), screw rod (52) are located to removal cover (53) thread bush, remove cover (53) and slip column (54) butt.

3. The dyke-penetrating culvert pipe tightness test device of claim 2, wherein: the fixed cover of one end that fixed column (51) was kept away from to screw rod (52) is equipped with anticreep piece (521), anticreep groove (541) have been seted up along the length direction of sliding column (54) to the inner wall of sliding column (54), anticreep groove (541) are close to the one end of fixed column (51) and set up, anticreep piece (521) is connected with the anticreep groove (541) slides.

4. The dyke-penetrating culvert pipe tightness test device of claim 2, wherein: the bottom end fixing of fixed column (51) is provided with first piece (62), first arcwall face (621) that are used for laminating mutually with the inner wall of culvert pipe (1) are seted up to first piece (62), the top of sliding column (54) is fixed to be provided with second piece (61), second arcwall face (611) that are used for laminating mutually with the inner wall of culvert pipe (1) are seted up to second piece (61), first arcwall face (621) and second arcwall face (611) all are used for with culvert pipe (1) butt.

5. The dyke-penetrating culvert pipe tightness test device of claim 2, wherein: the fixing column (51) is detachably connected with the bracket (4).

6. The dyke-penetrating culvert pipe tightness test device of claim 5, wherein: the support (4) comprises a first supporting rod (41) and a second supporting rod (42), the first supporting rod (41) and the second supporting rod (42) are fixedly connected, the first supporting rod (41) is fixedly arranged in the supporting ring (2), the second supporting rod (42) is fixedly connected with an inserting block (421) coaxially, a slot (511) for the inserting block (421) to be inserted into is formed in the fixing column (51), the inserting block (421) is inserted into the slot (511), and the fixing column (51) is provided with a fixing piece for fixing the inserting block (421).

7. The dyke-penetrating culvert pipe tightness test device of claim 6, wherein: the fixing piece is provided with a connecting bolt (56), and the connecting bolt (56) is simultaneously threaded in the fixing column (51) and the insert block (421).

8. The dyke-penetrating culvert pipe tightness test device of claim 2, wherein: both sides of the fixed column (51) are hinged with inclined stay bars (64), and the inclined stay bars (64) are used for being abutted with the inner wall of the culvert pipe (1).