CN219993652U - Slurry circulation integrated construction platform - Google Patents

Abstract

The utility model discloses a slurry circulation integrated construction platform, which comprises: the first steel platform comprises a first upright post, a first transverse connection, a first distribution beam, a first panel supporting mechanism and a first panel, wherein the first upright post and the first transverse connection are enclosed into a cube, the top of the first upright post is transversely and vertically connected with the first distribution beam, the top of the first distribution beam is connected with the first panel supporting mechanism, and the top of the first panel supporting mechanism is supported with the first panel; the mud circulation system comprises a circulation tank, a sedimentation tank and a first mud pump, wherein the first mud pump is arranged in the circulation tank and is used for pumping mud into the pile hole, and the top of the circulation tank is communicated with the top of the sedimentation tank through a mud chute; the circulating tank and the sedimentation tank are arranged on a first transverse connection or a first distribution beam. By the construction platform, rapid slurry circulation can be realized, and the occupied space of the construction platform in water can be reduced as much as possible.

Description

Slurry circulation integrated construction platform

Technical Field

The utility model relates to the technical field of pile foundation construction, in particular to a slurry circulation integrated construction platform.

Background

In the construction process of the underwater bored pile, in order to prevent phenomena such as reaming, hole collapse, necking and the like, the hole wall is kept stable, slurry is often required to be pressed in the drilling process, and the slurry pumped out of the pile hole is entrained with drilling slag at the bottom of the hole, so that the slurry cannot be directly recycled, and a slurry pool is required to be arranged on a construction site for slurry circulation. The setting of the mud pit is the most difficult to handle at present, and at present, two modes are adopted: (1) The utility model discloses a deep water pile foundation slurry circulation construction system and a circulation construction method by adopting a steel casing as a slurry pond, and discloses a slurry circulation construction system which comprises: the upper part of the first pile foundation steel casing is provided with a first connecting port; the second pile foundation steel pile casing is arranged adjacent to the first pile foundation steel pile casing, and a second connecting port is formed in one side, opposite to the first connecting port, of the upper part of the second pile foundation steel pile casing; the first port of the connecting pipe is communicated with the first connecting port, the second port of the connecting pipe is communicated with the second connecting port, and a mud filtering device is arranged in the connecting pipe; a mud pump assembly for alternately pumping mud between the first pile foundation steel casing and the second pile foundation steel casing, the mud pump assembly comprising a mud pump body, a pumping tube connected to the mud pump body. The second pile foundation steel pile casing is used as the circulating pool, so that the space is saved by arranging the mud pool, but the mud flow of the mud pool is difficult to completely meet due to the small volume of the steel pile casing, so that the mud circulating effect is not ideal, the construction period is long, and the mud and drilling slag formed at the bottom of the steel pile casing are difficult to completely remove due to the fact that the circulating pool is submerged into a river bed deeply, so that the river bed environment is influenced to a certain extent; (2) The mud pit is arranged on a construction platform, is generally rectangular in overall steel structure, occupies large space, is inconvenient to transport, and has high navigation effect on river channel shadow and high construction cost.

Disclosure of Invention

The utility model discloses a slurry circulation integrated construction platform which can realize rapid slurry circulation and reduce the occupation of the space of the construction platform in water as much as possible.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a slurry circulation integrated construction platform, comprising:

the first steel platform comprises a first upright post, a first transverse connection, a first distribution beam, a first panel supporting mechanism and a first panel, wherein the first upright post and the first transverse connection enclose a cube, the top of the first upright post is vertically connected with the first distribution beam along a transverse interval, the top of the first distribution beam is connected with the first panel supporting mechanism, and the top of the first panel supporting mechanism supports the first panel;

the mud circulation system comprises a circulation tank, a sedimentation tank and a first mud pump, wherein the sedimentation tank is used for precipitating drilling slag, the first mud pump is arranged in the circulation tank and is used for pumping mud into a pile hole, and the top of the circulation tank is communicated with the top of the sedimentation tank through a mud chute or a mud tank circulation pipeline; the circulating tank and the sedimentation tank are arranged on the first transverse connection or the first distribution beam.

Further, the device also comprises a second steel platform, wherein the second steel platform is vertically connected to one side of the first steel platform; the second steel platform comprises a second upright post, a second transverse connection, a second distribution beam, a second panel supporting mechanism and a second panel, wherein the second upright post and the second transverse connection are enclosed to form a square body, the top of the second upright post is vertically connected with the second distribution beam along the longitudinal interval, the top of the second distribution beam is connected with the second panel supporting mechanism, and the top of the second panel supporting mechanism is supported with the second panel. Further, the second panel supporting mechanism comprises a plurality of second longitudinal beams and a plurality of second cross beams, the second longitudinal beams are vertically connected to the tops of the second distribution beams at intervals in the transverse direction, and the tops of the second longitudinal beams are vertically connected with the second cross beams at intervals in the longitudinal direction; the second longitudinal beam is made of a bailey piece.

Further, the first panel supporting mechanism comprises a plurality of first longitudinal beams and a plurality of first cross beams, the plurality of first longitudinal beams are vertically connected to the tops of the first distribution beams at intervals along the longitudinal direction, and the tops are vertically connected with the first cross beams at intervals along the transverse direction; the first longitudinal beam is made of a bailey piece.

Still further, the first panel includes assembled panel and fixed panel, the circulation tank and/or the sedimentation tank top corresponds the regional position department of installing first panel sets up to assembled panel, and remaining regional position department is fixed panel.

Still further, assembled panel passes through U type bolt, gasket and nut to be connected, the vertical through-hole that wears to be equipped with of assembled panel, U type bolt both ends pass the through-hole of assembled panel, the gasket inserts U type bolt's both ends from below and block under the first crossbeam/the first longeron, the nut is twisted U type bolt's both ends are realized the fixation of assembled panel.

Further, the sedimentation tank with the circulation tank all adopts assembled mud pit, the mud pit includes die block, side form, mixing system and ends thick liquid mechanism, wherein: the bottom die is circular; the side die at least comprises two side die units which are transversely spliced together to form a cylinder, and the bottom of the side die is connected with the bottom die to form a mud pit body; the stirring system comprises a stirrer and a stirring supporting mechanism, the stirring supporting mechanism is detachably connected with the top of the side die, the upper part of the stirrer is connected with the stirring supporting mechanism, and the lower part of the stirrer stretches into the mud pit body; the grout stopping mechanism comprises a grout stopping plate, a grout stopping sealing plate and a grout stopping stiffening plate, wherein the grout stopping plate is annular, the lower surface of the grout stopping plate is connected with the bottom die, the outer diameter of the grout stopping plate is matched with the inner diameter of the side die, a plurality of triangular grout stopping stiffening plates are arranged on the inner wall at intervals, the lower surface of the grout stopping stiffening plate is connected with the bottom die, the inner side surface of the grout stopping stiffening plate is connected with the annular grout stopping sealing plate, and the grout stopping sealing plate shields the space formed by the grout stopping stiffening plate, the grout stopping plate and the bottom die.

Further, the bottom die comprises a bottom die body and bottom die reinforcing ribs, wherein the bottom die body is circular, and a plurality of bottom die reinforcing ribs are connected to the lower surface of the bottom die body at intervals; bottom die reinforcing ribs are vertically connected between the bottom die reinforcing ribs at intervals;

further, the side die unit comprises a side die unit body, a hoop and side die reinforcing ribs, the transverse section of the side die unit body is arc-shaped, a plurality of vertically arranged side die reinforcing ribs are connected to the outer wall at intervals, and side die unit connecting plates are arranged on two sides of the outer wall; the outer side of the side die reinforcing rib is connected with an arc-shaped hoop which is transversely arranged, and hoop connecting plates are also arranged at two ends of the hoop; the side die unit connecting plates of the adjacent side die units and the hoop connecting plates are screwed together through the side die connecting pieces to enclose the side die.

Further, still include mud management system, mud management system sets up on first steel platform, including slurrying device, third slush pump, go into thick liquid pipe, first thick liquid pipe, sand separator, second and send thick liquid pipe and online densimeter, wherein: an inlet of the first slurry feeding pipe is connected with an outlet of the slurry making device; the third slurry pump is used for pumping slurry from the sedimentation tank; the slurry inlet pipe is used for introducing slurry with drilling slag extracted from a sedimentation tank or a pile hole into the sand separating device; the online densimeter is arranged on the pulp inlet pipe; the sand separating device is connected with the outlet of the slurry inlet pipe and is used for primarily screening the slurry with drilling slag introduced from the slurry inlet pipe to separate out silt and slurry; the inlet of the second slurry feeding pipe is connected with the slurry outlet of the sand separating device, the outlet extends into the circulating pool, and a slurry adjusting hole is formed in the outlet of the second slurry feeding pipe and connected with the outlet of the first slurry feeding pipe.

Above mud circulation integration construction platform, first steel platform is as the work platform of drilling construction, and for circulation tank and sedimentation tank provide place space and support, circulation tank and sedimentation tank are used for realizing the mud fast cycle in stake hole, and the second steel platform can be as steel reinforcement cage hoist and mount operation district for place steel reinforcement cage, crane and stake machine etc. mud management system is used for slurrying and adjusts mud density.

During construction, mud in the pile foundation drilling process circulates, mud and drilling slag generated in the pile foundation drilling process are sucked through a second mud pump in the steel pile casing, the mud is conveyed to a sedimentation tank through a mud pipe to carry out sedimentation of the drilling slag, a stirrer of the sedimentation tank is in a closed state, upper-layer mud in the sedimentation tank is conveyed to a circulating tank through a mud chute after sedimentation, the stirrer of the circulating tank is in an open state, so that the mud forms rotational flow, the sedimentation of the mud in the circulating tank is reduced, and then the mud in the circulating tank is conveyed to a pile machine drilling position through a first mud pump of the circulating tank to carry the drilling slag. When the drilling slag of the sedimentation tank reaches half, the assembled panel and the longitudinal beam are released to be fixed and lifted to the outer side of the platform through a crane so as to expose the sedimentation tank, a stirrer of the sedimentation tank is opened to break up the precipitated drilling slag, a slurry management system is started, slurry and the drilling slag of the sedimentation tank are pumped out and separated, the separated drilling slag is transported to a sand and stone field by adopting an agricultural vehicle to serve as raw materials of sand and stone, if parameters of the slurry in the slurry circulation process do not meet construction requirements, slurry in a pile hole is sucked through the slurry management system to carry out slurry deslagging and slurry filter pressing, and after the slurry reaches the construction requirements, the slurry is discharged to the circulation tank through a second slurry conveying pipe so as to improve the slurry proportion in construction.

When the pile foundation is drilled into place and then the hole is cleaned, the mud at the pile opening can be directly sucked by the mud management system to carry out mud circulation deslagging, and then the mud is directly conveyed to the bottom of the hole through the second mud conveying pipe to carry out slag reflection so as to accelerate the hole cleaning efficiency.

The utility model has the following advantages:

(1) The sedimentation tank and the circulating tank are placed above the first cross connection or the first distribution beam by utilizing the space below the first panel, so that the occupation of the working space on the top surface of the platform is reduced, and the occupation of a channel is reduced.

(2) The circular sedimentation tank and the circular circulation tank are adopted, the cross section size of the component can be relatively reduced when the same volume is required, the waste of materials is reduced, and the sedimentation tank and the circular circulation tank can be reused, so that the construction cost is reduced.

(3) The circulating pool adopts a matched stirrer, so that the slurry precipitation of the circulating pool is reduced, and the too small specific gravity of the slurry is prevented.

(4) The efficient mud circulation system and the mud management system are matched, and the mud density is controlled on line, so that the mud circulation quality is higher, the drilling speed of pile foundations is further increased, the hole cleaning time is shortened, and the slag cleaning is more convenient.

(5) The slurry management system is used for separating slurry, drilling slag and sand in the sedimentation tank, so that occupation of the drilling slag and the sand to the space of the sedimentation tank can be reduced, and meanwhile, the problem of slurry pollution in water construction is solved.

Drawings

Fig. 1 is a schematic top view of the present utility model (the first panel, the first cross member, the first side member, the first distribution beam, the second panel, the second cross member, the second side member, and the second distribution beam are omitted).

FIG. 2 is a schematic view of the structure of section A-A in FIG. 1.

Fig. 3 is a schematic view of the structure of section B-B in fig. 1.

Fig. 4 is a schematic top view enlarged structure of pile hole, sedimentation tank and circulating tank.

Fig. 5 is a schematic diagram of a front view enlarged structure of pile hole, sedimentation tank and circulation tank.

FIG. 6 is a schematic cross-sectional structural view of the mud pit taken along the axial direction of the side mold.

Fig. 7 is a schematic bottom view of the slurry tank (bottom die omitted).

Fig. 8 is a schematic diagram of the front view structure of the side mold.

Fig. 9 is a schematic bottom view of the bottom die.

Fig. 10 is a schematic diagram of the construction of the mud management system.

Fig. 11 is a schematic perspective view of a sand separating apparatus.

In the figure, a first upright 1, a first transverse link 2, a second transverse link 3, a second upright 4, a circulating pond 5, a sedimentation pond 6, pile holes 7, a first cross beam 8, a first longitudinal beam 9, an assembled panel 10, a second slurry pump 11, a slurry chute 12, a first slurry pump 13, a first distribution beam 14, a fixed panel 15, a second cross beam 16, a second panel 17, a screw pump 18, a second longitudinal beam 19, a second distribution beam 20, an online densitometer 21, a stirring system 22, a stirrer 2201, a stirring support beam 2202, a side mold 23, a hoop 2301, a side mold unit body 2302, a side mold reinforcing rib 2303, a side mold unit connecting plate 2304, a hoop connecting plate 2305, a slurry hole 2306, a slurry stopping mechanism 24, a slurry stopping sealing plate 2401, a slurry stopping stiffening plate 2403, a bottom mold 25, a bottom mold 2501, a cross beam 2502, a bottom mold reinforcing rib 3, a bottom mold reinforcing rib 4, a third pump 26, a sand separator device 27, a cyclone 2701, a slag tap 2702, a second stage 2703, a second stage 2704, a fourth stage 2704 slurry pump 28 and a fourth stage 2704 slurry pump.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A slurry circulation integrated construction platform comprising a first steel platform and a slurry circulation system, as shown in connection with fig. 1-3, wherein: the first steel platform comprises a first upright 1, a first transverse connection 2, a first distribution beam 14, a first panel supporting mechanism and a first panel, wherein the first upright 1 and the first transverse connection 2 are enclosed to form a square body, a plurality of first uprights 1 and the first transverse connection 2 are arranged, the first transverse connection 2 connects the first uprights 1 to form a whole in the horizontal direction, as shown in fig. 1, namely, the connecting structure of the first uprights 1 and the first transverse connection 2 is mainly displayed, and the adjacent first uprights 1 are connected together through the first transverse connection 2; the top of the first upright 1 is vertically connected with a first distribution beam 14 along the transverse direction, namely the top of each row of first upright 1 is connected with a first distribution beam; the top of the first distributing beam 14 is connected with a first panel supporting mechanism, and the top of the first panel supporting mechanism supports a first panel; the first upright column 1 is made of steel pipes, the first distribution beam 14 is made of double-spliced I-steel, and the first panel is made of patterned steel plates; the first steel platform can be used as a working platform for drilling construction and provides a placing space and support for the circulating tank 5 and the sedimentation tank 6. The mud circulation system comprises a circulation tank 5, a sedimentation tank 6 and a first mud pump 13, wherein the sedimentation tank 6 is used for sedimentation of drilling slag, the first mud pump 13 is arranged in the circulation tank 5, the first mud pump 13 is used for pumping mud into the pile hole 7, and the top of the circulation tank 5 is communicated with the top of the sedimentation tank 6 through a mud chute 12 or a mud tank circulation pipeline; the circulating tank 5 and the sedimentation tank 6 are erected on the first transverse connection 2 or the first distribution beam 14, the first transverse connection 2 is arranged on the uppermost surface of the first transverse connection 2, a second slurry pump 11 is arranged in the pile hole 7, slurry pumped out of the pile hole 7 by the second slurry pump 11 is sent into the sedimentation tank 6 through a slurry pipe, drilling slag and sand are deposited in the sedimentation tank 6, then the slurry flows into the circulating tank 5 through a slurry tank circulating pipe or a slurry chute, the slurry in the circulating tank 5 is pumped out by the first slurry pump 13, and the slurry is pumped into a drilling position of a pile driver through the slurry pipe for carrying drilling slag. The number of the circulating tanks 7 and the sedimentation tanks 5 can be selected according to the actual circulating mud volume; as shown in fig. 4 and 5, this embodiment is provided with 4 circulation tanks 5, 2 sedimentation tanks 6, and 2 circulation tanks 5 are matched with each 1 sedimentation tank 6.

Further, this embodiment provides a preferred structure of the first panel supporting mechanism, and as shown in fig. 2 and 3, the first panel supporting mechanism includes a plurality of first stringers 9 and a plurality of first cross beams 8, the plurality of first stringers 9 are vertically connected to the top of the first distribution beam 14 along a longitudinal interval, and the top of the first stringers 9 are vertically connected to the first cross beams 8 along a transverse interval, that is, an up-down force transmission structure is formed, and the first stringers 9 are made of bailey pieces.

Further, the system also comprises a second steel platform which is vertically connected to one side of the first steel platform, generally to one side in the length direction, so as to reduce the occupation of the channel in the length direction; the second steel platform comprises a second upright post 4, a second transverse connection 3, a second distribution beam 20, a second panel supporting mechanism and a second panel 17, wherein the second upright post 4 and the second transverse connection 3 are enclosed to form a square body, the top of the second upright post 4 is vertically connected with the second distribution beam 20 along the longitudinal direction, the top of the second distribution beam 20 is connected with the second panel supporting mechanism, the top of the second panel supporting mechanism is supported with the second panel 17, the second upright post 4 is made of steel pipes, the first distribution beam 14 is made of double-spliced I-steel, and the second panel 17 is made of a pattern steel plate; the structure is similar to the first steel platform but is perpendicular relative to the first steel platform. The first panel and the second panel 17 are spliced together. Further, the preferred structure of the second panel supporting mechanism is provided in this embodiment, the second panel supporting mechanism includes a plurality of second stringers 19 and a plurality of second cross members 16, the plurality of second stringers 19 are vertically connected to the top of the second distribution beam 20 along the lateral interval, the top is vertically connected to the second cross members 16 along the longitudinal interval, and similarly, the structure for forming the up-down force transmission is also formed, and the second stringers 19 are also made of bailey pieces.

Still further, the first panel includes assembled panel 10 and fixed panel 15, and the regional position department that corresponds the installation first panel above circulation tank 5 and sedimentation tank 6 sets up to assembled panel 10, and the regional position department of remaining is fixed panel 15, sets up assembled panel 10 above circulation tank 5 and sedimentation tank 6, can conveniently demolish when necessary to carry out operation to circulation tank 5 and/or sedimentation tank 6 and handle, if need when handling drilling and grit of sedimentation tank 6, then need to hoist assembled panel 10 to the platform outside in order to expose sedimentation tank 6, the mud and the drilling sediment in the extraction sedimentation tank. Wherein the first cross member 8 may not be provided below the position of the assembled panel 10, i.e. in the state shown in fig. 5. So as to facilitate the removal of the circulation tank 5 or the sedimentation tank 6, and the panel beam can be welded under the fabricated panel 10 to improve the supporting strength of the fabricated panel 10.

Still further, this embodiment provides a connection structure of assembled panel 10 convenient to install and demolish, and assembled panel 10 passes through U type bolt, gasket and nut connection, and assembled panel 10 vertically wears to be equipped with the through-hole, and U type bolt both ends pass assembled panel 10's through-hole, and the gasket inserts U type bolt's both ends from below and blocks under first crossbeam 8 or first longeron 9, and the nut screws in the both ends of U type bolt and realizes assembled panel 10's fixed. In this embodiment, the spacer is clamped under the first longitudinal beam 9, and the first longitudinal beam 9 is a beret sheet, and the spacer is specifically disposed under the upper chord. If the first cross member 8 is not provided under the assembled panel 10, both ends of the U-bolts are caught under the first side member 9.

Further, the sedimentation tank 6 and the circulation tank 5 are assembled mud tanks, and the mud tanks comprise a bottom die 25, side dies 23, a stirring system 22 and a mud stopping mechanism 24, as shown in fig. 6-9, wherein: the bottom die 25 is circular; the side mold 23 at least comprises two side mold units, the side mold units are transversely spliced together to form a cylinder, the bottom of the side mold units is connected with the bottom mold 25 to form a mud pit body, the side mold is formed by splicing the side mold units, the side mold units can be conveniently transported and stored when not used, the general side mold units are carved into the same size so as to be convenient to manufacture, if one side mold 23 is formed by splicing two side mold units, the section of each side mold unit is semicircular, and the like. The stirring system 22 comprises a stirrer 2201 and a stirring supporting mechanism, wherein the stirring supporting mechanism is detachably connected with the top of the side die 23, the upper part of the stirrer 2201 is connected with the stirring supporting mechanism, the lower part of the stirrer extends into the mud pit body, the stirring supporting mechanism provides a supporting foundation for the stirrer 2201, the stirrer 2201 is additionally arranged, the stirrer 2201 can stir in the mud pit body, and when the stirrer is used as the circulating pit 5, mud precipitation of the circulating pit can be reduced, and the mud proportion is prevented from being too small. The grout stopping mechanism 24 comprises a grout stopping plate 2402, a grout stopping sealing plate 2401 and a grout stopping stiffening plate 2403, wherein the grout stopping plate 2402 is annular, the lower surface of the grout stopping plate 2402 is connected with the bottom die 25, the outer diameter of the grout stopping plate is matched with the inner diameter of the side die 23, and after the grout stopping plate 2402 is tightly attached to the inner side of the inner wall of the side die 23; a plurality of triangular slurry-stopping stiffening plates 2403 are arranged on the inner wall at intervals, the lower surface of each slurry-stopping stiffening plate 2403 is connected with the bottom die 25, the inner side surface of each slurry-stopping stiffening plate 2401 is connected with an annular slurry-stopping sealing plate 2401, the slurry-stopping stiffening plates 2403 are right-angled triangles, one right-angle side is connected with the bottom die 25, and the other right-angle side is connected with the slurry-stopping plate 2402; the slurry stopping sealing plate 2401 shields the space surrounded by the slurry stopping stiffening plate 2403, the slurry stopping plate 2402 and the bottom die 25, namely, the slurry stopping sealing plate 2401 is a round table side surface with a smaller lower part and a larger upper part, the lower edge is propped against the bottom die, and the upper edge is propped against the slurry stopping plate 2402, so that the gap between the slurry stopping stiffening plates 2403 is shielded, sand and stone are prevented from being deposited between the slurry stopping stiffening plates 2403, and cleaning is difficult. The grout stop mechanism 24 may provide vertical support for the side forms 23 and the grout while preventing the grout from leaking out of the junction of the side forms 23 and the bottom form 25. The grout stop plate 2402, the grout stop seal plate 2401 and the grout stop stiffening plate 2403 are all made of steel plates, and the steel plates can be selected to have different thicknesses according to requirements, such as 6mm steel plates.

Still further, as shown in fig. 9, the bottom mold 25 includes a bottom mold body 2501 and a bottom mold reinforcing rib 2503, the bottom mold body 2501 is circular, a plurality of bottom mold reinforcing ribs 2503 are connected to the bottom surface of the bottom mold body 2501 at intervals, the bottom mold body 2501 is a base structure of the bottom mold 25, the bottom mold reinforcing ribs 2503 are used for reinforcing the supporting strength of the bottom mold 25, the bottom mold body 2501 can select steel plates with different thicknesses, such as 6mm steel plates, according to the weight requirement of bearing slurry, the bottom mold reinforcing ribs 2503 can be made of channel steel, the bottom mold 25 has higher requirement on strength, and 16# channel steel can be selected. The bottom die reinforcing ribs 2503 are further vertically connected with bottom die reinforcing ribs 2504 at intervals, namely, as shown in fig. 6 and 9, the bottom die reinforcing ribs 2503 are longitudinally arranged, the bottom die reinforcing ribs 2504 are transversely arranged, the bottom die reinforcing ribs 2503 are connected to form a whole, so that the supporting strength is better ensured, and the bottom die reinforcing ribs 2504 can be arranged on one side, away from the bottom die body 2501, of the bottom die reinforcing ribs 2503 for convenient welding. The bottom mold stiffener 2504 may be made of steel, such as 12mm screw steel. A ring of bottom die cross members 2502 may be fixed to the lower surface of the bottom die body 2501 on the peripheral side, and the peripheral side of the bottom die body 2501 may be integrally reinforced.

Further, as shown in fig. 8, the side mold unit comprises a side mold unit body 2302, a hoop 2301 and side mold reinforcing ribs 2303, the lateral section of the side mold unit body 2302 is arc-shaped, the outer wall is connected with a plurality of vertically arranged side mold reinforcing ribs 2303 at intervals, the two sides of the outer wall are provided with side mold unit connecting plates 2304, the side mold unit connecting plates 2304 preferably extend from the top to the bottom of the side mold unit body 2302, and when the side mold unit bodies 2302 are screwed together, slurry can be prevented from leaking from the spliced position better; the outer side of the side die reinforcing rib 2303 is connected with an arc-shaped hoop 2301 which is transversely arranged, and two ends of the hoop 2301 are also provided with hoop 2301 connecting plates; the side die unit connection plates 2304 and the anchor ear 2301 of the adjacent side die units are screwed together through the side die 23 connection pieces to enclose the side die 23. Specifically, the side die unit connection plates 2304 and the anchor ear connection plates 2305 are all provided with through holes, the side die connection pieces adopt bolts and nuts, the bolts respectively penetrate through the through holes of the side die unit connection plates 2304 and the anchor ear connection plates 2305 and are screwed into the nuts again to be fastened, the connection mode adopted in engineering is convenient to install and detach, and the details are not repeated here. The side die unit body 2302 may be made of steel plates, and may be selected from different thicknesses of steel plates, such as 3mm or 6mm, depending on the slurry requirements to be carried. Both the side mold reinforcing ribs 2303 and the anchor ear 2301 can be made of channel steel, such as 5# channel steel and 8# channel steel. A mud hole 2306 may be provided on one side of the upper portion of the side form unit body 2302 to connect a mud pit circulation pipe or a mud chute 12 to enable mud flow between mud pits. The hoop connecting plates 2305 are generally abutted against the outer side surfaces of the side die unit connecting plates 2304, and the side die unit connecting plates 2304 and the hoop connecting plates 2305 are arranged at the positions of the edges of the two sides of the side die unit body 2302, so that the side die unit body 2302 can be better connected together. For the connection of the bottom die 25 and the side die 23, a bolt hole is formed in the circumferential side of the bottom die body 2501, a bolt hole is also formed in the bottom of the side die 23, the bolt hole of the bottom die body 2501 is a through hole, the bolt hole of the side die 23 is a blind hole, and the bolt penetrates through the bolt hole of the bottom die body 2501 and is screwed into the bolt hole of the side die 23, so that the bottom die 25 and the side die 23 are fixed together. Here, the positions where the side molds 23 are provided with bolt holes means a side mold unit body 2302, which is the basic structure of the side molds 23, as will be readily understood and appreciated by those skilled in the art. When the bottom die 25 and the side die 23 are to be separated, the bolts are screwed out.

In addition, for stirring supporting mechanism, combine the fig. 7 to show, this embodiment also provides a specific structure of easy to assemble, stirring supporting mechanism includes two stirring supporting beams 2202, stirring supporting beam 2202 both ends are connected with the top of side form 23 respectively, the space between two stirring supporting beams 2202 holds the (mixing) shaft of mixer 2201 and passes, can erect the motor of mixer 2201 above through two stirring supporting beams 2202, and two stirring supporting beams 2202 pass through the top that the bolt can be installed at side form 23, convenient and fast. The agitating support beam 2202 may be formed from a channel, such as a 10# channel or a 12# channel.

Further, the system further comprises a slurry management system, as shown in fig. 10, wherein the slurry management system comprises a pulping device 28, a third slurry pump 26, a slurry inlet pipe, a first slurry feeding pipe, a sand separating device 27, a second slurry feeding pipe and an online densitometer 21, wherein: a first slurry feeding pipe, the inlet of which is connected with the outlet of the pulping device 28 and is used for conveying the slurry prepared by the pulping device 28; a third slurry pump 26 for pumping slurry from the sedimentation tank 6; the slurry inlet pipe is used for introducing the slurry with drilling slag pumped out from the sedimentation tank 6 or the pile hole 7 into the sand separating device 27, if the slurry with drilling slag is pumped out from the sedimentation tank 6, the third slurry pump 26 is started to pump, if the slurry with drilling slag is directly pumped out from the pile hole 7, the second slurry pump 11 at the pile hole is utilized to pump, a tee joint can be arranged at the inlet of the slurry inlet pipe, one valve is connected with a pipeline from the pile hole 7, and the other valve is connected with the pipeline from the sedimentation tank 6; the on-line densimeter 21 is arranged on the slurry inlet pipe and is used for measuring the density of slurry entering the sand separating device 27, and if the on-line densimeter 21 tests that the density of the slurry is qualified, the on-line densimeter 21 indicates that the quenching and tempering treatment of the slurry is qualified before; the sand separating device 27 is connected with the outlet of the slurry inlet pipe and is used for primarily screening the slurry with drilling slag introduced by the slurry inlet pipe, separating out mud sand and slurry, namely, pumping the slurry into the inlet of the sand separating device 27 from the sedimentation tank 6 or the pile hole 7, and separating the mud sand and the slurry by the sand separating device 27; the inlet of the second slurry feeding pipe is connected with the slurry outlet of the sand separating device 27, the outlet extends into the circulating pool 5, and a slurry adjusting hole is arranged and connected with the outlet of the first slurry feeding pipe; the on-line densitometer 21 is used for monitoring the density of the slurry entering the sand separating device 27 in real time, when the density of the slurry is low or high, the slurry preparing device 28 is used for preparing high-density or low-density slurry, the slurry prepared by the slurry preparing device 28 enters the second slurry feeding pipe from the slurry adjusting hole and is mixed with the slurry sent out from the sand separating device 27, the density of the slurry entering the circulating pool 5 is adjusted, in addition, if the slurry needs to be supplemented in the drilling process, the liquid level of the slurry in the pile hole 7 is ensured, and the normal density slurry prepared by the slurry preparing device 28 can also be introduced. By providing the on-line densitometer 21, the circulating mud density can be known in time, thereby helping to stably control the circulating mud density. Through the control of mud density, can strengthen the dado effect, improve drilling efficiency, shorten clear hole time behind the pore-forming greatly, guarantee construction quality and progress.

The bottom of the pulping device 28 is connected with the first pulp feeding pipe through the screw pump 18, namely, the outlet of the discharge barrel is connected with the screw pump 18, and the slurry is pumped into the first pulp feeding pipe through the screw pump 18.

As for the sand separating apparatus 27, this embodiment also provides a specific structure, and as shown in fig. 11, the sand separating apparatus 27 includes a cyclone 2701, a primary screen 2702 and a secondary screen 2704, and as shown in fig. 3, the primary screen 2702 and the secondary screen 2704 are provided at intervals in the lower portion of the cyclone 2701, and the aperture of the primary screen 2702 is larger than that of the secondary screen 2704. The cyclone 2701 is used for separating sand, mud flows out from an upper overflow port, mud slag containing sand flows out from a bottom flow port at the bottom, the mud at the upper overflow port enters a sand separating device 27, the sand flowing out from the bottom flow port is filtered by a two-stage screen, coarse and fine mud sand is separated, the coarse mud sand is discharged from one side of the first-stage screen 2702, the fine mud sand is discharged from one side of the second-stage screen 2704, and thus the separated mud slag can be separated into coarse sand and mud, and then classification treatment is correspondingly carried out.

Further, the first-stage screen 2702 and/or the second-stage screen 2704 are/is provided with a vibrating motor, and the vibrating motor vibrates, so that better sludge filtering can be facilitated, and the coarse sand and the mud can be quickly separated.

Still further, for convenient operation, the primary screen 2702 and the secondary screen 2704 may be fixed by a fixing mechanism, as shown in fig. 11, i.e. a cylinder is connected below the cyclone 2701, the primary screen 2702 and the secondary screen 2704 are fixed in the cylinder at intervals, a primary slag outlet 2705 is provided on one side of the primary screen 2702 on the side wall of the cylinder, and the primary slag outlet 2705 is obliquely arranged upwards along the slag outlet direction, so that the vibration screening time of the sludge on the primary screen 2702 can be prolonged, and the water content of coarse sand can be reduced. Similarly, a secondary slag outlet 2703 is also provided on one side of the secondary screen 2704, and the secondary slag outlet 2703 is provided obliquely upward in the slag discharging direction.

The fourth slurry pump 29 is arranged at the slurry outlet of the sand separating device 27, the outlet of the fourth slurry pump 29 is used as the slurry outlet of the sand separating device 27 to be connected with the inlet of the second slurry feeding pipe, the fourth slurry pump 29 pumps the slurry with the drilling residues separated into the second slurry feeding pipe through the fourth slurry pump 29, and the slurry is mixed with the slurry prepared by the slurry preparing device 28 to realize the thermal refining of the slurry.

During construction, mud in the pile foundation drilling process circulates, mud and drilling slag generated in the pile foundation drilling process are sucked through the second mud pump 11 in the pile hole 7, the mud is conveyed to the sedimentation tank 6 through the mud pipe to carry out precipitation of the drilling slag, the stirrer 2201 of the sedimentation tank 6 is in a closed state at the moment, after the mud is precipitated, upper-layer mud in the sedimentation tank 6 is directly conveyed to the circulating tank 5 through the mud chute 12, the stirrer 2201 of the circulating tank 5 is in an open state, the mud forms rotational flow, the precipitation of the mud in the circulating tank 5 is reduced, and then the mud in the circulating tank 5 is conveyed to a pile machine drilling position through the first mud pump 13 of the circulating tank 5 to carry the drilling slag. When the drilling slag of the sedimentation tank 6 reaches half, the assembled panel 10 and the first cross beam 8 or the first longitudinal beam 9 are unfixed and lifted to the outer side of the platform through a crane to expose the sedimentation tank, a stirrer 2201 of the sedimentation tank 6 is opened, the settled drilling slag is scattered, a slurry management system is started, slurry and drilling slag of the sedimentation tank 6 are pumped out, the drilling slag is separated through a sand separating device 27, the separated drilling slag is transported to a sand and stone field by adopting an agricultural vehicle as a raw material of sand and stone, if the parameters of the slurry in the slurry circulating process do not meet the construction requirement, the slurry of the pile hole 7 or the sedimentation tank 6 is sucked through the slurry management system to carry out slurry deslagging, and the slurry is subjected to tempering treatment of a slurry mixed medicament, so that the slurry reaches the construction requirement and is discharged to the circulation tank 5 through a second slurry conveying pipe to improve the specific gravity during construction.

When the pile foundation is drilled into place and then the hole is cleaned, the mud at the pile opening can be directly sucked by the mud management system to carry out mud circulation and deslagging, and then the mud is transported to the bottom of the hole through the second mud conveying pipe to carry out slag reflection and quicken the hole cleaning efficiency.

Claims (9)

1. The utility model provides a slurry circulation integration construction platform which characterized in that includes:

the first steel platform comprises a first upright post, a first transverse connection, a first distribution beam, a first panel supporting mechanism and a first panel, wherein the first upright post and the first transverse connection enclose a cube, the top of the first upright post is vertically connected with the first distribution beam along a transverse interval, the top of the first distribution beam is connected with the first panel supporting mechanism, and the top of the first panel supporting mechanism supports the first panel;

the mud circulation system comprises a circulation tank, a sedimentation tank and a first mud pump, wherein the sedimentation tank is used for precipitating drilling slag, the first mud pump is arranged in the circulation tank and is used for pumping mud into a pile hole, and the top of the circulation tank is communicated with the top of the sedimentation tank through a mud chute or a mud tank circulation pipeline; the circulating tank and the sedimentation tank are arranged above the first transverse connection or the first distribution beam.

2. The slurry circulation integrated construction platform according to claim 1, wherein:

the second steel platform is vertically connected to one side of the first steel platform; the second steel platform comprises a second upright post, a second transverse connection, a second distribution beam, a second panel supporting mechanism and a second panel, wherein the second upright post and the second transverse connection are enclosed to form a square body, the top of the second upright post is vertically connected with the second distribution beam along the longitudinal interval, the top of the second distribution beam is connected with the second panel supporting mechanism, and the top of the second panel supporting mechanism is supported with the second panel.

3. The slurry circulation integrated construction platform according to claim 1, wherein:

the first panel supporting mechanism comprises a plurality of first longitudinal beams and a plurality of first cross beams, the first longitudinal beams are vertically connected to the tops of the first distribution beams along longitudinal intervals, and the first cross beams are vertically connected between the tops along transverse intervals; the first longitudinal beam is made of a bailey piece.

4. The slurry circulation integrated construction platform according to claim 2, wherein:

the second panel supporting mechanism comprises a plurality of second longitudinal beams and a plurality of second cross beams, the second longitudinal beams are vertically connected to the tops of the second distribution beams along the transverse interval, and the tops of the second longitudinal beams are vertically connected with the second cross beams along the longitudinal interval; the second longitudinal beam is made of a bailey piece.

5. A slurry circulation integrated construction platform according to claim 3, wherein:

the first panel comprises an assembled panel and a fixed panel, the circulating tank and/or the position of the area above the sedimentation tank, where the first panel is correspondingly installed, is set as the assembled panel, and the rest position is the fixed panel.

6. The slurry circulation integrated construction platform according to claim 5, wherein:

the assembled panel is connected through U-shaped bolts, gaskets and nuts, through holes are vertically formed in the assembled panel in a penetrating mode, two ends of each U-shaped bolt penetrate through the through holes of the assembled panel, the gaskets are inserted into two ends of each U-shaped bolt from below and clamped below the first cross beam/the first longitudinal beam, and the nuts are screwed into two ends of each U-shaped bolt to fix the assembled panel.

7. The slurry circulation integrated construction platform according to claim 1, wherein:

the sedimentation tank with the assembled mud pit is all adopted to the circulation tank, the mud pit includes die block, side form, mixing system and ends thick liquid mechanism, wherein: the bottom die is circular; the side die at least comprises two side die units which are transversely spliced together to form a cylinder, and the bottom of the side die is connected with the bottom die to form a mud pit body; the stirring system comprises a stirrer and a stirring supporting mechanism, the stirring supporting mechanism is detachably connected with the top of the side die, the upper part of the stirrer is connected with the stirring supporting mechanism, and the lower part of the stirrer stretches into the mud pit body; the grout stopping mechanism comprises a grout stopping plate, a grout stopping sealing plate and a grout stopping stiffening plate, wherein the grout stopping plate is annular, the lower surface of the grout stopping plate is connected with the bottom die, the outer diameter of the grout stopping plate is matched with the inner diameter of the side die, a plurality of triangular grout stopping stiffening plates are arranged on the inner wall at intervals, the lower surface of the grout stopping stiffening plate is connected with the bottom die, the inner side surface of the grout stopping stiffening plate is connected with the annular grout stopping sealing plate, and the grout stopping sealing plate shields the space formed by the grout stopping stiffening plate, the grout stopping plate and the bottom die.

8. The slurry circulation integrated construction platform according to claim 7, wherein:

the bottom die comprises a bottom die body and bottom die reinforcing ribs, wherein the bottom die body is circular, and a plurality of bottom die reinforcing ribs are connected to the lower surface of the bottom die body at intervals; bottom die reinforcing ribs are vertically connected between the bottom die reinforcing ribs at intervals;

the side die unit comprises a side die unit body, a hoop and side die reinforcing ribs, wherein the transverse section of the side die unit body is arc-shaped, a plurality of vertically arranged side die reinforcing ribs are connected to the outer wall at intervals, and side die unit connecting plates are arranged on two sides of the outer wall; the outer side of the side die reinforcing rib is connected with an arc-shaped hoop which is transversely arranged, and hoop connecting plates are also arranged at two ends of the hoop; the side die unit connecting plates of the adjacent side die units and the hoop connecting plates are screwed together through the side die connecting pieces to enclose the side die.

9. The slurry circulation integrated construction platform according to claim 1, wherein:

still include mud management system, mud management system sets up on first steel platform, including slurrying device, third slush pump, go into thick liquid pipe, first thick liquid pipe, sand separator, second and send thick liquid pipe and online densimeter, wherein: an inlet of the first slurry feeding pipe is connected with an outlet of the slurry making device; the third slurry pump is used for pumping slurry from the sedimentation tank; the slurry inlet pipe is used for introducing slurry with drilling slag extracted from a sedimentation tank or a pile hole into the sand separating device; the online densimeter is arranged on the pulp inlet pipe; the sand separating device is connected with the outlet of the slurry inlet pipe and is used for primarily screening the slurry with drilling slag introduced from the slurry inlet pipe to separate out silt and slurry; the inlet of the second slurry feeding pipe is connected with the slurry outlet of the sand separating device, the outlet extends into the circulating pool, and a slurry adjusting hole is formed in the outlet of the second slurry feeding pipe and connected with the outlet of the first slurry feeding pipe.