CN217811340U - Underwater plugging device for water inlet transformation of water taking pump room - Google Patents

Abstract

The utility model discloses a water intaking pump house water inlet transformation is with plugging device under water, include: a seal cover, an opening end of which is fixed with an annular base plate along the circumferential direction; the water stop plate is covered on one side of the backing plate, which is far away from the sealing cover; and the plurality of pressing plates are fixedly arranged in the circumferential direction of the sealing cover at intervals, and a bolt hole is arranged on each pressing plate in a penetrating manner so as to arrange the cover sealed by the sealing cover in the circumferential direction of the water inlet hole to be formed. The utility model discloses do not need the cofferdam construction, with prefabricated plugging device stagnant water under water in the pump house outside, in the dry construction trompil in the pump house, pre-buried connecting pipe, tear down behind the plugging device with advance water piping connection, have the beneficial effect of labour saving and time saving, environmental protection, saving investment.

Description

Underwater plugging device for water intake pump room water inlet transformation

Technical Field

The utility model relates to a water intaking pump house reforms transform upgrading technical field. More specifically, the utility model relates to a water intaking pump house water inlet reforms transform and uses plugging device under water.

Background

The water intake pump house is a water intake structure for conveying raw water from a water source to a water purification structure or directly conveying the raw water to a water distribution network, a water tower or a high-ground water pool. With the development of society, when the original water taking point of a water plant is no longer the most preferable as the water taking point, the water taking point needs to be moved upwards according to actual conditions. Move the in-process on, because the former inlet opening of the water inlet face of water intaking pump house is still bearing the water intaking task, can not stop work, and have the unmatched condition of former inlet opening and new water intaking pipe, so can increase new water intaking pipe at the water inlet face of water intaking pump house usually. The water inlet hole needs to be opened on the pump house wall to the increase of new water intaking pipe, how to set up a plugging device, avoids opening the in-process in water inlet hole, and water intaking pump house extra income is the problem that at present urgently need to solve.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

The utility model discloses it is still another purpose to provide a water intaking pump house water inlet reforms transform and uses underwater plugging device, through plugging device's setting, treats to set up inlet opening department at the pump house wall and forms the enclosure space to in the influence that operating personnel did not receive external water source at the inboard operation inlet opening of pump house wall.

In order to realize according to the utility model discloses these objects and other advantages, provide a water intaking pump house water inlet reforms transform with plugging device under water, include:

a seal cover, an opening end of which is fixed with an annular base plate along the circumferential direction;

the water stop plate is covered on one side of the backing plate, which is far away from the sealing cover;

and the plurality of pressing plates are fixedly arranged in the circumferential direction of the sealing cover at intervals, and a bolt hole is arranged on each pressing plate in a penetrating manner so as to arrange the sealing cover in the circumferential direction of the water inlet hole to be formed.

Preferably, the sealing cover comprises a sealing plate and an I-shaped plate arranged along the circumferential direction of one side of the sealing plate, and one flat plate of the I-shaped plate forms a base plate.

Preferably, the shrouding is the square, the I-shaped board butt joint is square frame, and follows shrouding one side edge sets up.

Preferably, the number of the side pressing plates of the sealing cover is 2-3, and the number of the opposite side pressing plates is the same.

Preferably, the number of the side pressing plates of the sealing cover is 3.

Preferably, water intaking pump house water inlet reform transform with underwater plugging device, still include: and the pair of lifting lugs are symmetrically arranged on one side of the sealing cover.

Preferably, the underwater plugging device for water intake pump room water inlet reconstruction further comprises a pair of rib plates arranged corresponding to each pressing plate, each rib plate is arranged between the pressing plate and the sealing plate in a supporting manner, and the pair of rib plates arranged corresponding to each pressing plate are located on two sides of the bolt hole on the pressing plate and are symmetrically arranged relative to the bolt hole.

Preferably, water intaking pump house water inlet reform transform and use plugging device under water, still include the reinforcement subassembly, it is including fixed first support of locating the shrouding inboard, be located first support and keep away from shrouding one side second support, support and locate a plurality of bracing pieces between first support and second support, wherein, second support circumference and the riser rigid coupling of worker's word board.

Preferably, the first support and the second support are both in a grid shape formed by welding channel steel.

Preferably, the water stop plate is a rubber water stop plate.

The utility model discloses at least, include following beneficial effect:

first, through plugging device's setting, treat to set up the inlet opening at the pump house wall and form the enclosure space to operating personnel does not receive the influence of external water source at the inboard operation inlet opening of pump house wall.

And secondly, the design of a plurality of pressing plates on each side improves the installation and fixation stability of the plugging device, the number of the pressing plates on the two opposite sides is the same, so that bolts are symmetrically and tightly squeezed when the sealing cover is fixed, and a certain uniformly dispersed pre-pressure is formed between the water stop plate and the wall surface of the pump room to achieve a better sealing effect.

And thirdly, through the arrangement of the first support and the second support, the sealing plate is provided with the I-shaped plate support in a matched mode, so that the reinforced connection between the sealing plate and the I-shaped plate support is realized, and the pressure resistance of the whole device is improved.

Fourthly, by using the plugging device, the construction period is saved, cofferdams and water pumping procedures are not needed in the transformation process, and the construction time is shortened; the method is environment-friendly and pollution-free, the construction by adopting the technology does not pollute the water body of the original water intake, and the normal water intake during the construction period is ensured; the technology has the advantages of investment saving, simple process, no need of cofferdam and later-stage demolition cost, and is particularly suitable for water depth environment.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of an underwater plugging device for water inlet reformation of a water intake pump room according to one of the technical schemes of the present invention;

fig. 2 is a schematic structural view of the underwater plugging device for water inlet reformation of the water intake pump room in one of the technical schemes of the present invention;

fig. 3 is one of the technical schemes the water intake pump house water inlet is reformed transform and is used plugging device's mounting structure schematic diagram under water.

The reference numerals are specifically: a water inlet surface 1; a service valve 11; a water inlet hole 2; a seal cover 3; a backing plate 30; a water stop plate 4; a pressing plate 5; bolt holes 50; a closing plate 6; an I-shaped plate 60; a lifting lug 7; a rib plate 8; a first bracket 90; a second bracket 91; a support rod 92.

Detailed Description

The present invention is described in further detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-3, the utility model provides a water intaking pump house water inlet reforms transform and uses plugging device under water, include:

the end surface of the opening end of the sealing cover 3 is fixed with an annular base plate 30 along the circumferential direction, and the plane of the annular base plate 30 is parallel to the water inlet surface 1;

the water stop plate 4 is circumferentially arranged on one side, away from the sealing cover 3, of the backing plate 30 in a covering manner;

a plurality of clamp plates 5, a plurality of clamp plates 5 interval set firmly in 3 circumference of sealed cowling, specific clamp plate 5 can the rigid coupling in the outer loop terminal surface of backing plate 30, run through on every clamp plate 5 and set up bolt hole 50 to 2 circumference of inlet opening waiting to set up are located to the sealed cover of sealed cowling 3.

In the above technical scheme, the wall of the pump house (water inlet surface 1) constitutes a to-be-plugged surface, a water inlet hole 2 is arranged on the to-be-plugged surface, the plugging device is used for plugging the position of the water inlet hole 2 before the water inlet hole 2 is arranged so as to isolate that water outside the pump house enters the original pump house through the water inlet hole 2, the water inlet hole 2 to be arranged is positioned in the horizontal projection of the backing plate 30 inner ring on the to-be-plugged surface, in the using process, the plugging device is lifted by a floating crane, underwater hoisting is in place under the cooperation of a diver, anchoring holes are arranged on the wall of the pump house, the anchoring holes correspond to the bolt holes 50 one by one and are fixed by expansion bolts, a cover sealed by a sealing cover 3 is arranged in the circumferential direction of the water inlet hole 2 to be arranged, and the sealing performance of the plugging device and the wall is checked. When the bolts are installed, the bolts are symmetrically squeezed tightly, so that the water stop plate 4 and the wall surface of the pump room have certain pre-pressure to achieve the sealing effect;

measuring the position of the water inlet 2 on the inner side of the pump room, firstly, drilling a small hole in the middle of the water inlet 2 by using a D50 water abrasive drill to discharge water between the plugging device and the wall, synchronously generating pressure between the plugging device and the wall, checking whether water leaks or not, and if the water leaks, plugging and sealing the water outside the pump room by a diver; if no water leakage occurs, continuously opening the hole to a preset hole diameter; by adopting the technical scheme, through the arrangement of the plugging device, a closed space is formed at the position of the pump room wall where the water inlet hole 2 is to be formed, so that an operator can conveniently operate the water inlet hole 2 at the inner side of the pump room wall without being influenced by an external water source.

In another technical solution, the sealing cover 3 includes a sealing plate 6, and an i-shaped plate 60 is circumferentially disposed along one side of the sealing plate 6, and one of flat plates of the i-shaped plate 60 constitutes the backing plate 30. Adopt this kind of scheme, shrouding 6 specifically is the steel sheet for form the enclosure space between cooperation worker's word board 60, stagnant water board 4 and pump house wall, I-shaped board 60 specifically is the I-steel, and the I-steel includes the riser, locates the riser both ends and sets up the flat board perpendicularly with the riser, and worker's word board 60 is located shrouding 6 is close to one side of pump house wall, constitutes through the setting of shrouding 6 and I-steel seal cover 3.

In another technical scheme, the closing plate 6 is square, the i-shaped plate 60 is in a square frame in a butt joint mode, and is arranged along the edge of one side of the closing plate 6. By adopting the scheme, the square sealing plate 6 is convenient for assembling the whole components, and the specification of the plugging device is reduced; after the plugging device is plugged and installed, the plugging device and the water inlet hole 2 to be formed are coaxially arranged, each I-shaped plate 60 comprises 4 strip I-shaped plates 60 which are parallel to four sides of the sealing plate 6 respectively, and a V-shaped I-shaped plate 60 (the included angle is 90 degrees) used for butting two adjacent I-shaped plates 60, the top end of each I-shaped plate 60 (a flat plate connected with the sealing plate 6) is fixedly connected with the plugging device in a sealing mode, two end portions of any adjacent I-shaped plate 60 are butted and fixedly connected in a sealing mode, preferably, the flat plate connected with the sealing plate 6 on each I-shaped plate 60 is sunken to be provided with a strip groove in the middle in the width direction, the strip groove is arranged in the direction of the length extension of the I-shaped plate 60 (if the V-shaped I-shaped plate 60 is in a V mode), the strip grooves of all I-shaped plates 60 are butted to form an annular groove, a sealing ring is plugged in the annular groove, and when the top plate of the I-shaped plate 60 is fixed with the plugging device, the sealing ring forms a sealing barrier between the two.

In another technical scheme, the number of each side pressing plate 5 of the sealing cover 3 is 2-3, and the number of the pressing plates 5 on the two opposite sides is the same. By adopting the scheme, the design of the plurality of pressing plates 5 on each side improves the installation and fixation stability of the plugging device, the number of the pressing plates 5 on the two opposite sides is the same, so that bolts are symmetrically squeezed when the sealing cover 3 is fixed, and a certain uniformly dispersed pre-pressure is formed between the water stop plate 4 and the wall surface of the pump room to achieve a better sealing effect.

In another technical scheme, the number of the sealing covers 3 per side press plate 5 is 3. With this solution, installation robustness is provided.

In another technical scheme, water intaking pump house water inlet reform transform and use under water plugging device, still include: and the pair of lifting lugs 7 are symmetrically arranged on one side of the sealing cover 3. By adopting the scheme, a hoisting point is provided when the plugging device is hoisted by the floating crane ship.

In another technical scheme, the underwater plugging device for reforming the water inlet of the water intake pump room further comprises a pair of rib plates 8 corresponding to each pressing plate 5, each rib plate 8 is erected between the pressing plate 5 and the sealing plate 6, and the pair of rib plates 8 corresponding to each pressing plate 5 are located on two sides of the bolt hole 50 on the pressing plate 5 and symmetrically arranged relative to the bolt hole 50. By adopting the scheme, the pressing plate 5 is arranged to provide a connecting support between the sealing plate 6 and the pressing plate 5, so that the pre-pressure of the water stop plate 4 is shared, and the mounting stability of the pressing plate 5 is improved.

In another technical scheme, water intaking pump house water inlet reform transform and use underwater plugging device, still include the reinforcement subassembly, it is including fixed first support 90 of locating the shrouding 6 inboard, be located first support 90 and keep away from 6 one side second support 91 of shrouding, support and locate a plurality of bracing pieces 92 between first support 90 and second support 91, wherein, second support 91 circumference and I-shaped plate 60's riser rigid coupling. Adopt this kind of scheme, through the setting of first support 90, second support 91, cooperation bracing piece 92 provides shrouding 6 and I-shaped board 60 support reinforced connection, improves the compressive capacity of whole device.

In another technical scheme, the first bracket 90 and the second bracket 91 are both in a grid shape formed by welding channel steel. With this arrangement, the stability of the assembly of the entire device is improved, wherein the support rod 92 is also a channel, and preferably, the support rod 92 is arranged perpendicular to the first and second brackets 90 and 91.

In another technical scheme, the water stop plate 4 is a rubber water stop plate. With this arrangement, the sealing effect is promoted.

Example 1

The pipe diameter of the water intake pipe to be installed is DN1200;

the pressing plate 5, the ribbed plate 8 and the sealing plate 6 are all steel plates with the thickness of 12 mm;

the I-shaped plate 60 is 32b I-steel;

the channel steel forming the first bracket 90, the second bracket 91 and the support rod 92 is 10# channel steel;

the water stop plate 4 is a rubber water stop plate.

Construction scheme

The water intake pipe is added on the water inlet surface 1 of the original water intake pump room, and the method comprises the following steps:

1. plugging device fabrication

And manufacturing the plugging device in a processing plant according to a design drawing, and transporting the plugging device to a construction site after acceptance check is qualified.

2. Measuring line

The position of the water inlet hole 2 to be drilled is determined according to the design and marked by red paint.

And determining the position of the installation lifting point of the plugging device according to the structure of the plugging device.

Rechecking the specific position of the original pump house, rechecking the terrain of the original pump house, performing depth measurement and lofting on a construction area, and determining whether the front end part of the original pump house needs underwater excavation or not.

3. Excavation under water

If the pump room is excavated in the trial mode, the long-arm excavator is adopted to perform trial excavation on the front end part of the original pump room, the position of a lower bucket of the trial excavation is 1.5m away from the front end vertical well wall, the well wall structure of the original pump room is prevented from being collided in the excavation process, and the excavation can be performed and the geology can be checked by checking the trial excavation condition against the engineering geological survey report. The excavated waste slag is loaded, unloaded and thrown outwards, and after the waste slag is excavated to the elevation of the bottom of the pipeline, the water depth and the width of a pipe groove are detected, and the ultra-depth is controlled, so that the requirements of design drawings are met.

The diver's work area of original pump house front end portion is than design standard height more than 1.0m, possesses the diver underwater operation's construction condition, carries out the acceptance after the excavation is accomplished, and the mode of acceptance adopts measuring rope, GPS location, and every 5-10m surveys three points, measures and to satisfy design specification requirement the back can carry out next process.

4. Pump house wall cleaning

Because the pump house is soaked in water for a long time, a certain mud layer or moss and the like can be attached to the surface of the pump house, and in order to ensure that the sealing between the gate water stop strip and the wall surface of the pump house is good, the wall surface of the pump house must be cleaned firstly. The cleaning method comprises the following steps: the diver washes underwater by a high-pressure water gun and can scrub by a steel wire brush according to the condition.

5. Fixed under water

And lifting the plugging device by using a floating crane ship, lifting the plugging device in place under the cooperation of a diver, drilling an anchoring hole in the wall of the pump house, fixing the anchoring hole by using an expansion bolt, and checking the tightness of the plugging device and the wall. Wherein, 12 fixed points are established to plugging device periphery edge, and three fixed pressing plate 5 are established on every limit, adopt steel sheet and I-steel limit welding to add and establish floor 8. The middle of the fixed pressure plate 5 is provided with an anchoring hole phi 40, and the expansion bolt is 18 x 200. And after the construction of the screws of all the fixed points is finished, symmetrically squeezing the screws tightly to ensure that the water stop rubber plate and the wall surface of the pump room have certain pre-pressure to achieve the sealing effect.

6. Wall opening

The position of the opening hole is measured on the inner side of the pump room, a small hole is formed in the middle position of the water inlet hole 2 by using a D50 water abrasive drill, water between the plugging device and the wall is discharged, pressure is generated between the plugging device and the wall, whether water leakage exists or not is checked, and if the water leakage phenomenon exists, a diver performs plug sealing water stopping outside the pump room.

7. Installing wall-penetrating steel pipe and sleeve, binding reinforcing steel bars and pouring oxygen concrete

Because the front end of the water inlet steel pipe is provided with the flange, the water inlet steel pipe is firstly installed and then the wall bushing is installed after the water inlet steel pipe is temporarily fixed. In order to shorten the curing time, the curing agent,

the concrete outside the plugging pipe is HK-UW-1 epoxy concrete which has self-leveling property, and the use strength can be achieved within 24 hours and is not less than C40.

8. Installing a maintenance valve 11, removing a plugging device and installing a immersed tube underwater, wherein the immersed tube and the through-wall steel tube form one water taking pipe.

9. And (4) carrying out the water taking construction of the next pipe according to the design (repeating the process flow from 1 to 8).

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. It is obvious to the technical personnel in the field to adopt the utility model discloses water pump house water inlet transformation is with the application, modification and the change of plugging device under water.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, particular embodiments, but rather to those skilled in the art, having the benefit of the teachings of the present invention, which is capable of numerous modifications and alternative forms, and will be readily apparent to those skilled in the art, and it is not intended to limit the invention to the details shown and described without departing from the general concepts defined by the appended claims and their equivalents.

Claims (10)

1. Water intaking pump house water inlet reforms transform and uses plugging device under water, its characterized in that includes:

a seal cover, an opening end of which is fixed with an annular base plate along the circumferential direction;

the water stop plate is covered on one side of the backing plate, which is far away from the sealing cover;

and the plurality of pressing plates are fixedly arranged in the circumferential direction of the sealing cover at intervals, and a bolt hole is arranged on each pressing plate in a penetrating manner so as to arrange the cover sealed by the sealing cover in the circumferential direction of the water inlet hole to be formed.

2. The underwater plugging device for improving the water inlet of the water taking pump room as claimed in claim 1, wherein the sealing cover comprises a sealing plate, an I-shaped plate is circumferentially arranged along one side of the sealing plate, and one flat plate of the I-shaped plate forms a backing plate.

3. The underwater plugging device for improving the water inlet of the water taking pump room as claimed in claim 2, wherein the sealing plate is square, the I-shaped plates are butted to form a square frame, and the I-shaped frames are arranged along one side edge of the sealing plate.

4. The underwater plugging device for improving the water inlet of the water intake pump room as claimed in claim 3, wherein the number of the side pressing plates of the sealing cover is 2-3, and the number of the pressing plates at the opposite sides is the same.

5. The underwater plugging device for reforming the water inlet of the water taking pump room as claimed in claim 4, wherein the number of the side pressure plates of the sealing cover is 3.

6. The underwater plugging device for water inlet reconstruction of the water intake pump room as claimed in claim 2, further comprising: and the pair of lifting lugs are symmetrically arranged on one side of the sealing cover.

7. The underwater plugging device for improving the water inlet of the water intake pump room as claimed in claim 1, further comprising a pair of rib plates corresponding to each pressing plate, each rib plate is supported between the pressing plate and the sealing plate, and the pair of rib plates corresponding to each pressing plate are located on two sides of the bolt hole on the pressing plate and symmetrically arranged about the bolt hole.

8. The underwater plugging device for improving the water inlet of the water taking pump room as claimed in claim 2, further comprising a reinforcing component, which comprises a first support fixedly arranged at the inner side of the sealing plate, a second support positioned at the side of the first support far away from the sealing plate, and a plurality of support rods supported and arranged between the first support and the second support, wherein the second support is circumferentially and fixedly connected with a vertical plate of the I-shaped plate.

9. The underwater plugging device for improving the water inlet of the water intake pump room as claimed in claim 8, wherein the first support and the second support are both in a grid shape formed by welding channel steel.

10. The underwater plugging device for water inlet reconstruction of the water intake pump house as claimed in claim 1, wherein the water stop plate is a rubber water stop plate.

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