Slurry circulating device

Abstract

The utility model relates to a mud circulating device, including two round tubular steel casing, ring-shaped catch basin, drainage channel, connecting channel, two steel casing install at the pile hole top, every steel casing top one side is equipped with one water inlet, catch basin install at the top of one steel casing, drainage channel is equipped with the connecting channel, drainage channel is equipped with the drainage channel, the connecting channel is equipped with the drainage channel, the drainage channel is equipped with the drainage channel. A drainage connector extending outwards is arranged on one side of the water collecting groove, the connecting groove is formed in a water inlet of the other steel casing, and the drainage connector at the position of one steel casing is communicated with the water inlet at the position of the other steel casing through the drainage groove. The device has the beneficial effects that the water collecting tank is mounted at the top of one steel casing to collect slurry overflowing from the top of the steel casing, so that the slurry is prevented from flowing to the ground of a construction site around the steel casing; slurry recovery is improved, and slurry waste is reduced.

Description

Technical Field

[0001] The utility model relates to the field of pile foundation construction, in particular to a mud circulation device. Background Art

[0002] As an important part of civil engineering construction, the status quo and development of mud circulation technology have attracted wide attention. At present, mud circulation technology has been widely used in many projects, effectively improving construction efficiency and project quality.

[0003] However, this technology also has the following problems in practical application: the mud is easy to overflow from the top of the steel casing due to the slow recovery pumping speed, and the mud is easy to overflow from the top of the steel casing during the drilling rig construction process, causing the mud to flow to the construction site around the steel casing, causing mud flow. Utility Model Content

[0004] The purpose of the utility model is to overcome the above problems existing in the prior art and provide a mud circulation device.

[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0006] A mud circulation device comprises two circular tubular steel casings, a circular water collecting trough, a U-shaped drainage trough and a connecting trough. The two steel casings are installed on the top of the pile hole, and a water inlet is provided on one side of the top of each steel casing. The water collecting trough is installed on the top of one of the steel casings, and a drainage interface with a U-shaped longitudinal section extending outward is provided on one side of the water collecting trough. The connecting trough is installed on the water inlet of the other steel casing. The drainage trough connects the drainage interface at one steel casing position with the water inlet at another steel casing position.

[0007] Among them, the water collection trough includes a circular trough bottom plate, a C-shaped inner baffle, a circular outer baffle, and a U-shaped drainage interface. The inner baffle and the outer baffle are respectively welded to the trough bottom plate, and the outer baffle is provided with a U-shaped opening. The drainage interface is welded to the outer wall of the outer baffle, and the drainage interface is aligned with the U-shaped opening.

[0008] Furthermore, a plurality of support rods are welded between the inner baffle plate and the outer baffle plate.

[0009] Furthermore, three limiting rings are welded on the outer wall of the outer baffle, and each limiting ring and a support rod are located in the same radial direction of the water collecting tank.

[0010] Wherein, the inner wall of the inner baffle is provided with a slot matching the top of the steel casing, and the top of the steel casing is inserted into the slot.

[0011] Furthermore, N half-thread bolts arranged in a circular array are threaded on the inner baffle, and N pin holes arranged in a circular array are opened on the outer wall of the steel casing, and the tail of the half-thread bolt is plug-in-pull fit in the pin hole.

[0012] Furthermore, a fan-shaped grate is placed on the support rod.

[0013] Among them, the head of the drainage groove is provided with an enlarged opening, and the enlarged opening is engaged with the drainage interface or the tail of the drainage groove, and the tail of the drainage groove is engaged with the connecting groove; the outer side of the tail of the drainage groove and the outer side of the drainage interface are respectively provided with sealing strip installation grooves, and a sealing strip is fixedly installed in the sealing strip installation groove.

[0014] Wherein, a U-shaped clamp is arranged on the outer side of the tail of the connecting groove, and the U-shaped clamp is clamped on the steel casing around the water inlet.

[0015] The beneficial effects of the utility model are as follows: a water collecting trough is installed on the top of a steel casing to collect the mud overflowing from the top of the steel casing, so as to prevent the mud from flowing onto the construction site ground around the steel casing; a water inlet is opened on one side of the top of the steel casing to allow part of the mud to flow back into the steel casing; a connecting groove is installed on the water inlet on the top of another steel casing, and the drainage interface on one side of the water collecting trough is connected with the connecting groove by means of the drainage groove, and the excess mud in the water collecting trough is introduced into the adjacent steel casing, and then the mud is pumped back into the slurry making trough by means of a mud pump to recover the excess mud; the recovery of mud is improved and the waste of mud is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a structural schematic diagram of the mud circulation device in the utility model;

[0018] Figure 2 It is a structural schematic diagram of the steel casing in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the water collecting tank in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the drainage trough in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the connecting groove in the utility model;

[0022] Explanation of the numbers in the figure: steel casing 1, water inlet 11, pin hole 12, water collecting trough 2, trough bottom plate 21, inner baffle 22, outer baffle 23, drainage interface 24, support rod 25, limit ring 26, slot 27, half-thread bolt 28, drainage trough 3, enlarged opening 31, connecting groove 4, U-shaped clamping mouth 41, grate 6, sealing strip installation groove 7, sealing strip 8. DETAILED DESCRIPTION

[0023] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0024] like Figures 1 to 5 As shown, a mud circulation device includes two cylindrical steel casings 1, a circular water collecting trough 2, a U-shaped drainage trough 3, and a connecting trough 4. The two steel casings 1 are installed on the top of the pile hole, and a water inlet 11 is opened on one side of the top of each steel casing 1.

[0025] The water collection tank 2 is installed on the top of one of the steel casings 1, and a drainage interface 24 with a U-shaped longitudinal section extending outward is provided on one side of the water collection tank 2. Specifically: the water collection tank 2 includes a circular groove bottom plate 21, a C-shaped inner baffle 22, a circular outer baffle 23, and a U-shaped drainage interface 24. The inner baffle 22 and the outer baffle 23 are respectively welded to the groove bottom plate 21, and a U-shaped opening is opened on the outer baffle 23. The drainage interface 24 is welded to the outer wall of the outer baffle 23, and the drainage interface 24 is aligned with the U-shaped opening. The inner wall of the inner baffle 22 is provided with a slot 27 matching the top of the steel casing 1, and the top of the steel casing 1 is inserted into the slot 27 to improve the matching degree of the connection between the steel casing 1 and the water collection tank 2. In order to improve the sealing between the steel casing 1 and the water collection tank 2, a sealing belt is clamped between the steel casing 1 and the water collection tank.

[0026] The connecting groove 4 is installed on the water inlet 11 of another steel casing 1 . Specifically, a U-shaped clamping opening 41 is arranged on the outer side of the tail of the connecting groove 4 , and the U-shaped clamping opening 41 is clamped on the steel casing 1 around the water inlet 11 .

[0027] The drainage trough 3 connects the drainage interface 24 at one steel casing 1 with the water inlet 11 at another steel casing 1, and uses a mud pump to pump the mud back into the slurry making trough to recycle the excess mud. Specifically: the head of the drainage trough 3 is provided with an enlarged opening 31, which is engaged with the drainage interface 24 or the tail of the drainage trough 3, and the tail of the drainage trough 3 is engaged with the connecting groove 4; the outer side of the tail of the drainage trough 3 and the outer side of the drainage interface 24 are respectively provided with sealing strip installation grooves 7, and a sealing strip 8 is fixedly installed in the sealing strip installation groove 7. The sealing strip 8 forms a seal between the enlarged opening 31 and the drainage interface 24, or between the enlarged opening 31 and the tail of the drainage trough 3, or between the tail of the drainage trough 3 and the connecting groove 4.

[0028] A plurality of support rods 25 are welded between the inner baffle plate 22 and the outer baffle plate 23 , and the support rods 25 are used to improve the stability between the inner baffle plate 22 and the outer baffle plate 23 .

[0029] Three limiting rings 26 are welded on the outer wall of the outer baffle plate 23, and the limiting rings 26 are used to insert the support rods of the tripod bracket into the limiting rings 26 when building the tripod bracket; each limiting ring 26 and a support rod 25 are located in the same radial direction of the water collecting tank 2, thereby improving the stability of the water collecting tank 2 and preventing the water collecting tank 2 from being pulled and deformed by the support rod 25.

[0030] Four half-thread bolts 28 arranged in a circular array are screwed on the inner baffle 22, and four pin holes 12 arranged in a circular array are opened on the outer wall of the steel casing 1. The tail of the half-thread bolts 28 cooperates with the pin holes 12 to improve the stability of the top of the colored steel casing installed in the water collection tank.

[0031] A fan-shaped grate 6 is placed on the support rod 25 to facilitate workers standing on the water collection tank to carry out pile foundation construction.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A mud circulation device, characterized in that: It includes two circular tubular steel casings, a circular water collecting trough, a U-shaped drainage trough, and a connecting groove. The two steel casings are installed on the top of the pile hole. A water inlet is opened on one side of the top of each steel casing. The water collecting trough is installed on the top of one of the steel casings. A drainage interface with a U-shaped longitudinal section extending outward is provided on one side of the water collecting trough. The connecting groove is installed on the water inlet of the other steel casing. The drainage trough connects the drainage interface at one steel casing position with the water inlet at another steel casing position.

2. The mud circulation device according to claim 1, characterized in that: The water collection trough includes a circular trough bottom plate, a C-shaped inner baffle, a circular outer baffle, and a U-shaped drainage interface. The inner baffle and the outer baffle are respectively welded to the trough bottom plate, and the outer baffle is provided with a U-shaped opening. The drainage interface is welded to the outer wall of the outer baffle, and the drainage interface is aligned with the U-shaped opening.

3. The mud circulation device according to claim 2, characterized in that: A plurality of support rods are welded between the inner baffle plate and the outer baffle plate.

4. The mud circulation device according to claim 3, characterized in that: Three limiting rings are welded on the outer wall of the outer baffle, and each limiting ring and a supporting rod are located in the same radial direction of the water collecting tank.

5. The mud circulation device according to claim 2, characterized in that: The inner wall of the inner baffle is provided with a clamping groove matching the top of the steel casing, and the top of the steel casing is clamped into the clamping groove.

6. The mud circulation device according to claim 2, characterized in that: The inner baffle is threaded with N half-thread bolts arranged in a circular array, and the outer wall of the steel casing is provided with N pin holes arranged in a circular array, and the tail of the half-thread bolt is plug-in-pull fit in the pin hole.

7. The mud circulation device according to claim 3, characterized in that: A fan-shaped grate is placed on the support rod.

8. The mud circulation device according to claim 1, characterized in that: The head of the drainage groove is provided with an enlarged opening, and the enlarged opening is engaged with the drainage interface or the tail of the drainage groove, and the tail of the drainage groove is engaged with the connecting groove; the outer side of the tail of the drainage groove and the outer side of the drainage interface are respectively provided with sealing strip installation grooves, and a sealing strip is fixedly installed in the sealing strip installation groove.

9. The mud circulation device according to claim 1, characterized in that: A U-shaped clamp is arranged on the outer side of the tail of the connecting groove, and the U-shaped clamp is clamped on the steel casing around the water inlet.

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