CN214497557U - A precipitation device for open caisson construction - Google Patents

Abstract

The application relates to a precipitation device for open caisson construction, which comprises a bracket, be provided with the filtration basket that is used for placing the suction pump on the support, the top of filtering the basket is provided with the shielding plate, the circumference of filtering the basket is provided with annular shielding frame, be provided with the desilt subassembly between the filtration basket of annular shielding frame. This application has the effect of guaranteeing open caisson drainage function normality.

Description

A precipitation device for open caisson construction

Technical Field

The application relates to the field of open caisson construction equipment, in particular to a precipitation device for open caisson construction.

Background

With the development of infrastructure construction in China, a large open caisson is widely applied to municipal engineering as an important underground structure and a deep-buried foundation form, when the elevation of the open caisson bottom sealing meets the sandy soil texture condition of strong water burst, great difficulty is brought to the open caisson bottom sealing construction, and an effective precipitation mode becomes a key link of open caisson bottom sealing construction control.

In the related art, a sump is usually dug in the caisson, a water pump is placed in the sump, and water in the sump is pumped out through the water pump, so that seepage water in the caisson is drained.

In view of the above-mentioned related technologies, the inventor believes that when soil inside a caisson is excavated due to limited space inside the caisson, soil often splashes into a sump to block a water pump, thereby affecting normal drainage of the caisson.

SUMMERY OF THE UTILITY MODEL

In order to guarantee the normality of open caisson drainage function, this application provides a precipitation device for open caisson construction.

The application provides a precipitation device for open caisson construction adopts following technical scheme:

the utility model provides a precipitation equipment for open caisson construction, includes the support, be provided with the filtration basket that is used for placing the suction pump on the support, the top of filtering the basket is provided with the shielding plate, the circumference of filtering the basket is provided with annular shielding frame, be provided with the desilting subassembly between the filtration basket of annular shielding frame.

Through adopting above-mentioned technical scheme, place the suction pump in filtering the basket, the shielding plate plays at the top of filtering the basket and shelters from the entering that the guard action reduced top earth, and annular shielding frame has reduced circumference earth and has got into in filtering the basket for the suction pump guarantees the normality of the function of drawing water under the filtration of filtering the basket, thereby guarantees the normal drainage of open caisson.

Optionally, the shielding plate is an arched steel plate, and the size of the outer wall of the shielding plate is larger than that of the outer wall of the filter basket.

By adopting the technical scheme, the sand falling on the shielding plate is guided to the side edge of the bracket by the guiding action of the shielding plate, so that the cleanness of the interior of the filter basket is ensured.

Optionally, the desilting subassembly is including sliding the desilting piece that sets up between annular shielding frame and filter basket, be provided with the drive desilting piece on the support and follow the gliding desilting driving piece of filter basket.

Through adopting above-mentioned technical scheme, drive desilting spare through the desilting driving piece and will filter earth or grit on the basket lateral wall and clear away to guarantee during rivers can get into and filter the basket, thereby the normality of drawing water is guaranteed.

Optionally, the desilting driving piece is including setting up the backup pad on filtering basket roof, be provided with vertical decurrent waterproof electric jar in the backup pad, waterproof electric jar's telescopic link and desilting piece are connected.

Through adopting above-mentioned technical scheme, direct flexible through waterproof electric jar drive self telescopic link to drive desilting spare and remove along filtering basket outer wall, thereby reach the desilting effect.

Optionally, the desilting piece includes the base ring, the base ring is kept away from shielding plate one end and is provided with the wiper blade, the wiper blade includes with the mud scraping portion and the decurrent guide part of slope of filtering the basket laminating.

Through adopting above-mentioned technical scheme, the scraper blade is when following the base ring and removing, scrapes the grit soil that mud portion can will be attached on the filter screen and is scraped and then keep away from the filter screen through the grit direction that the guide part will scrape for guarantee during rivers can get into the filter basket through the filter screen, thereby guarantee the normality that the suction pump drew water.

Optionally, the filter basket includes the carriage, be provided with the filter grid on the diapire of carriage, be provided with the filter screen on the lateral wall of carriage, the filtration pore diameter of filter screen is less than the filtration pore diameter of filter grid.

Through adopting above-mentioned technical scheme for the grit that gets into in the filter basket from the mesh of filter screen can directly drop away from the filter grid, thereby guarantees the clean nature in the filter basket, thereby guarantees to place the normality of suction pump work in filtering the basket.

Optionally, the shielding plate is detachably disposed on the filter basket.

Through adopting above-mentioned technical scheme, can dismantle the shielding plate from filtering the basket to be convenient for put into filtering the basket with the suction pump.

Optionally, the shielding plate is provided with a plurality of insertion rods, and the filter basket is provided with fixing holes for the insertion rods to be inserted.

Through adopting above-mentioned technical scheme, only need insert the spliced pole in the fixed orifices, accomplished the fixed of shielding plate promptly to reach the effect of being convenient for place the suction pump.

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

1. the arrangement of the shielding plate and the annular shielding frame reduces sand stones or soil entering the filtering basket, so that the normality of the water pump is ensured;

2. the arrangement of the desilting component ensures that sand and stone or soil blockage is reduced, so that the normal work of the water suction pump is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a precipitation device for open caisson construction according to an embodiment of the present application.

Fig. 2 is a sectional view of a precipitation apparatus for open caisson construction according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a filtering basket in a precipitation device for open caisson construction according to an embodiment of the present application.

Fig. 4 is an exploded view of a precipitation device for open caisson construction according to an embodiment of the present application.

Description of reference numerals: 1. a support; 2. a filter basket; 21. a support frame; 22. a filter grid; 23. a filter screen; 3. an annular shielding frame; 4. a shielding plate; 41. a plug rod; 5. a support plate; 6. a mud removal assembly; 61. a mud removal part; 611. a base ring; 612. a mud scraper; 62. waterproof electric jar.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a precipitation device for open caisson construction. Referring to fig. 1 and 2, a precipitation apparatus for open caisson construction includes a support 1. The support 1 is provided with a filter basket 2, and the circumferential side edge of the filter basket 2 is sleeved with an annular shielding frame 3. A shielding plate 4 is detachably connected to the top of the filter basket 2.

Referring to fig. 2 and 3, the filter basket 2 includes a support frame 21 fixedly connected to the bracket 1, a filter grid 22 is fixed on a bottom wall of the support frame 21, filter screens 23 are fixed on circumferential side walls of the support frame 21, and outer side walls of the filter screens 23 are flush with circumferential outer walls of the support frame 21. And the mesh diameter of the filter screen 23 is smaller than that of the filter grid 22, so that gravels entering from the meshes of the filter screen 23 can directly fall out from the filter grid 22, thereby ensuring the cleanness inside the filter basket 2 and ensuring the normality of the work of the water suction pump placed in the filter basket 2.

Referring to fig. 2 and 3, the whole of the shielding plate 4 is an arched steel plate, and the maximum dimension of the circumferential outer wall of the arched steel plate is larger than the maximum dimension of the outer wall of the filtering basket 2, so that the gravels falling on the shielding plate 4 pass through the side of the guiding support 1 under the guiding action of the shielding plate 4, and the cleanness inside the filtering basket 2 is ensured. Four inserting rods 41 are fixed on the recessed surface of the shielding plate 4, and the four inserting rods 41 are uniformly distributed along the circumferential direction of the shielding plate 4. The bottom wall of the supporting frame 21 is provided with fixing holes for the four insertion rods 41 to be inserted, so that the shielding plate 4 can be taken down from the supporting frame 21, and a water suction pump can be conveniently placed in the shielding plate 4.

Referring to fig. 2 and 4, the bottom of the supporting frame 21 is fixed with an annular supporting plate 5, and the annular shielding frame 3 is fixed on the supporting plate 5, so that the annular shielding frame 3 and the filtering basket 2 are arranged at intervals, and the annular shielding plate 4 can block sand and stone from entering the filtering basket 2 circumferentially to block the filtering screen 23, thereby ensuring the cleanness inside the filtering basket 2. A mud-removing assembly 6 is arranged between the annular shielding frame 3 and the filter basket 2.

Referring to fig. 2 and 4, the mud removing assembly 6 includes a mud removing member 61 slidably disposed at a gap between the annular shadow frame 3 and the filter basket 2, and a mud removing driving member for driving the mud removing member 61 to slide up and down along the filter basket 2 is disposed on the support plate 5. The desilting driving piece is a vertical downward waterproof electric cylinder 62 fixed on the supporting plate 5, and an expansion rod of the waterproof electric cylinder 62 penetrates through the supporting plate 5 to be connected with the desilting piece 61. The mud removing part 61 comprises a base ring 611 which is arranged on the outer side wall of the filter basket 2 in a sliding manner, the base ring 611 is fixedly connected with an expansion rod of the waterproof electric cylinder 62, a mud scraping plate 612 is fixed on one side, away from the waterproof electric cylinder 62, of the base ring 611, the mud scraping plate 612 comprises a mud scraping part which is arranged in a manner of being attached to the filter basket 2, and a guide part which is arranged in a manner of inclining downwards along the direction from the annular shielding plate 4 to the filter screen 23. When the mud scraping plate 612 moves along with the base ring 611, the mud scraping part can scrape the sand and stone soil attached to the filter screen 23 and then guide the scraped sand and stone to be away from the filter screen 23 through the guide part, so that water flow can enter the filter basket 2 through the filter screen 23, and the normality of pumping water by the water suction pump is guaranteed.

The embodiment of the application provides a precipitation device's implementation principle for open caisson construction does: the shutter 4 is removed from the filtering basket 2 and the suction pump is placed inside the filtering basket 2, covered by the shutter 4. And the whole precipitation device is communicated with a water suction pump and placed in the water collection pit for pumping water. In the process of pumping water again, the baffle plate 4 and the annular baffle frame 3 play a role in blocking mud for the filter basket 2, so that the normality of the water pump is ensured. After long-time use, can drive desilting piece 61 through the desilting driving piece and will filter the soil or the gravel and sand of basket 2 outer wall and drain away to guarantee to filter can normally intake in the basket 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a precipitation device for open caisson construction which characterized in that: the water pump filter device is characterized by comprising a support (1), wherein a filtering basket (2) used for placing a water suction pump is arranged on the support (1), a shielding plate (4) is arranged at the top of the filtering basket (2), an annular shielding frame (3) is arranged in the circumferential direction of the filtering basket (2), and a mud removing assembly (6) is arranged between the filtering baskets (2) of the annular shielding frame (3).

2. The precipitation apparatus for open caisson construction of claim 1, wherein: the shielding plate (4) is an arched steel plate, and the size of the outer wall of the shielding plate (4) is larger than that of the outer wall of the filtering basket (2).

3. The precipitation apparatus for open caisson construction of claim 1, wherein: desilting subassembly (6) are including sliding desilting spare (61) that set up between annular shelter from frame (3) and filter basket (2), be provided with drive desilting spare (61) on support (1) along filtering the gliding desilting driving piece of basket (2).

4. A precipitation apparatus for open caisson construction, according to claim 3, wherein: the desilting driving piece comprises a supporting plate (5) arranged on the top wall of the filtering basket (2), a vertical downward waterproof electric cylinder (62) is arranged on the supporting plate (5), and a telescopic rod of the waterproof electric cylinder (62) is connected with the desilting piece (61).

5. A precipitation apparatus for open caisson construction, according to claim 3, wherein: the mud removing part (61) comprises a base ring (611), one end, far away from the shielding plate (4), of the base ring (611) is provided with a mud scraping plate (612), and the mud scraping plate (612) comprises a mud scraping part attached to the filter basket (2) and a guide part inclined downwards.

6. The precipitation apparatus for open caisson construction of claim 1, wherein: filter basket (2) including carriage (21), be provided with on the diapire of carriage (21) filtration bars (22), be provided with on the lateral wall of carriage (21) filter screen (23), the filtration pore diameter of filter screen (23) is less than the filtration pore diameter of filtration bars (22).

7. The precipitation apparatus for open caisson construction of claim 1, wherein: the shielding plate (4) is detachably arranged on the filtering basket (2).

8. The precipitation apparatus for open caisson construction of claim 7, wherein: the shielding plate (4) is provided with a plurality of insertion rods (41), and the filtering basket (2) is provided with fixing holes for the insertion rods (41) to be inserted.

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