CN106948335A

CN106948335A - Special-shaped sand drain combines board-plugging device with drain bar

Info

Publication number: CN106948335A
Application number: CN201710212455.3A
Authority: CN
Inventors: 余闯; 骆嘉成; 王辉; 邵吉成
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2017-04-01
Filing date: 2017-04-01
Publication date: 2017-07-14
Anticipated expiration: 2037-04-01
Also published as: CN106948335B

Abstract

Combine board-plugging device the invention discloses a kind of special-shaped sand drain and drain bar, including descending operation mechanism and center pipe, center pipe is set the driving lifting with lifting operating mechanism, it is at least three wing plates of radiation profile to be fixed with the center pipe around the center of circle of center pipe, medial extremity of the inner chamber of the center pipe with the inner chamber of the wing plate in wing plate is turned on, and the wing plate and center circle ttom of pipe end are provided with openable termination capping.The special-shaped sand drain can be simultaneously by the drain bar and the wing plate of surrounding in the sand drain at center, sand drain while set in the soil body with the board-plugging device of combining of drain bar, the underground evacuation system of the sand drain wall for including periphery, the sand drain of internal layer and the drain bar at center is formed in the soil body, its operating efficiency is higher, and the joint board-plugging device can topple over sand and drain bar into the soil body by the keying for controlling termination to cover, sand drain wall, sand drain and the drain bar of integrative-structure are directly formed, makes the underground pump drainage passage to be formed more unobstructed.

Description

Special-shaped sand drain combines board-plugging device with drain bar

Technical field

The present invention relates to a kind of special-shaped sand drain that can squeeze into sand drain, sand drain wall and drain bar in the soil body and drain bar Joint board-plugging device.

Background technology

It is a large amount of to use vacuum method or preloading in traditional high-moisture percentage soil body, such as pump drainage of barged-in fill Cooperation squeezes into drain bar and evacuation duct of the soil body etc. and realizes pump drainage, but can only to extract periphery limited for drain bar or sand drain etc. Moisture in the soil body of ground region, it is therefore desirable to increase the quantity of drain bar or sand drain, taken out on the premise of accelerating Arrange efficiency also not high.

The content of the invention

In view of the deficiency of background technology, the technical problems to be solved by the invention are to provide a kind of special-shaped sand drain and drain bar Joint board-plugging device, the board-plugging device can integrally squeeze into sand drain, sand drain wall and drain bar in the soil body.

Therefore, sand drain and drain bar the joint pump drainage construction for the High water cut soil body that the present invention is provided, including drain bar, surround Drain bar is evenly distributed with least three sand drain walls centered on drain bar along directions of rays, and the drain bar upper end is provided with very Empty precompressed pump drainage mechanism or piling prepressing pump drainage mechanism, the drainpipe of the drain bar and the vacuum preloading pump drainage mechanism or The drainpipe connection of person's piling prepressing pump drainage mechanism.

Present invention also offers the construction method of a kind of sand drain of above-mentioned High water cut soil body and drain bar joint pump drainage construction The special-shaped sand drain of middle use and the board-plugging device of combining of drain bar, including descending operation mechanism and center pipe, center pipe is by beating If the driving with lifting operating mechanism is lifted, it is fixed with the center pipe around the center of circle of center pipe in radiation profile At least three wing plates, the inner chamber of the center pipe and the inner chamber of the wing plate are turned in the medial extremity of wing plate, the wing plate and Center circle ttom of pipe end is provided with termination capping.

Beneficial effects of the present invention are as follows：

1st, multiple sand drain walls of diverging distribution radiate suction region to surrounding, and the vertical face of sand drain wall can increase to a greater degree With the contact area of the soil body so that water is transported in the drain bar at center by sand drain wall in larger scope in the soil body, not only Pump drainage efficiency is enhanced, and reduces the drain bar consumption in unit area.

2nd, wing plate and center pipe are structure as a whole, and the sand drain in the sand drain Qiang He centers pipe in wing plate is in company with drain bar Squeeze into the soil body together, and wing plate above carried using side and center circle tube edge squeeze into sand drain wall, sand drain and drain bar method work Make more efficient, because no later stage drain bar is squeezed into sand drain, the sand drain wall of formation, sand drain are more uniform, globality is more preferable, The drainage channel of the formation of sand drain wall and sand drain is more clear and more coherent.

Brief description of the drawings

The wing plate of sand drain and drain bar joint pump drainage construction and the side structure of center pipe that Fig. 1 provides for the present invention show It is intended to.

Fig. 2 is the longitudinal schematic cross-sectional view of structure of the center pipe in Fig. 1.

Fig. 3 covers the structural representation of open mode for the termination of the center pipe in Fig. 2.

Fig. 4 is close-up schematic view at Fig. 3 A.

The structure schematic cross section that Fig. 5 constructs for sand drain and drain bar the joint pump drainage of the High water cut soil body.

Fig. 6 for the center pipe that uses in the construction method of sand drain and drain bar the joint pump drainage construction of the High water cut soil body with The cross-sectional view of wing plate.

Embodiment

Shown in reference picture 1, Fig. 2, Fig. 3, Fig. 4, the board-plugging device of combining of the special-shaped sand drain that provides of the present invention and drain bar, including Descending operation mechanism and center pipe 4, center pipe 4 are set the driving lifting with lifting operating mechanism, the center pipe 4 On to be fixed with around the center of circle of center pipe 4 be at least three wing plates 5 of radiation profile, be 4 wing plates 5, institute in the present embodiment State medial extremity of the inner chamber of center pipe 4 with the inner chamber of the wing plate 5 in wing plate 5 to turn on, wing plate 5 and center pipe 4 bottom End is provided with openable termination capping 6.

Shown in reference picture 1, Fig. 2, Fig. 3, Fig. 4, in the above-described embodiments, the termination capping 6 is configured with opening device, opens The first embodiment of opening device includes a pair of the hydraulic tubes 7 being arranged on the wing plate 5 and center pipe 4, the termination envelope Lid 6 includes two symmetrical valve traps 8, and trap 8 is hinged with main body termination, and main body termination is including wing plate 5 and center pipe 4 Termination, two valve traps 8 are close to rear enclosed termination, and the upper end of hydraulic tube 7 is connected with hydraulic cylinder, the lower end of hydraulic tube 7 and hydraulically extensible Mechanism 9 is connected, and expansion link 10 and the motion bar 11 of hydraulic telescopic machanism 9 are hinged, and motion bar 11 is hinged with trap 8, the hydraulic pressure The keying of the flexible drive trap 8 of the expansion link 10 of telescoping mechanism 9.In order to preferably guide expansion link 10 and motion bar 8, The expansion link 10 is in Telescopic path 12, expansion link 10 and at least at the top of motion bar 11 when the expansion link 10 is inside contracted In in Telescopic path 12, in order to avoid there is the phenomenon that motion bar 11 cannot be introduced into Telescopic path 12, the lower end of Telescopic path 12 It is distributed at opening in the conical surface 13.

Second of embodiment of opening device be：Termination capping 6 is hinged with the center pipe 4 or wing plate 5, and hinged place is matched somebody with somebody It is equipped with and promotes termination to cover the torsion spring that the 6 closing center pipes 4 or wing plate 5 are hinged.

Shown in reference picture 5, above-mentioned special-shaped sand drain machines the pump drainage system to be formed, including row with the plate of combining of drain bar Water plate 1, at least three sand drain walls 2, the draining are evenly distributed with around drain bar 1 centered on drain bar 1 along directions of rays The upper end of plate 1 is provided with vacuum preloading pump drainage mechanism or piling prepressing pump drainage mechanism, and the drain bar 1 is taken out with the vacuum preloading The drainpipe of mechanism or the drainpipe connection of piling prepressing pump drainage mechanism are arranged, the center where the drain bar 1 is set There are circular sand drain 3 and the medial extremity of the sand drain wall 2 to be connected, the drain bar 1 is in the circular sand drain 3.The present embodiment In, circular sand drain 3 is directly connected with the sand drain wall 2 of surrounding, and circular sand drain 3 have also been enlarged the contact area with the soil body, because This being capable of the moisture of more quick, flow larger in the pump drainage soil body.

Shown in reference picture 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the construction party for combining board-plugging device of above-mentioned special-shaped sand drain and drain bar Method comprises the following steps：

A, the drain bar 1 inserted special-shaped sand drain with the center pipe 4 for combining board-plugging device of drain bar, special-shaped sand drain with Sand is filled in the inner chamber of center pipe 4 and the inner chamber of wing plate 5 of the joint board-plugging device of drain bar；

B, the setting the center pipe 4 and the wing with lifting operating mechanism of board-plugging device combined using special-shaped sand drain and drain bar Plate 5 is inserted into soil body depths；

C, the termination capping for opening the wing plate 5 and the bottom of center pipe 4, combine board-plugging device using special-shaped sand drain and drain bar Set the wing plate 5 and center pipe 4 gradually above carried with lifting operating mechanism, promote in the wing plate 5 and center pipe 4 In groove of the sand full of the wing plate 5 and the insertion soil body formation of center pipe 4；

D, in the drain bar upper end vacuum preloading pump drainage mechanism or piling prepressing pump drainage mechanism are set, connect the row Water plate 1 and the drainpipe or the drainpipe of piling prepressing pump drainage mechanism of the vacuum preloading pump drainage mechanism.

Claims

1. the board-plugging device of combining of a kind of special-shaped sand drain and drain bar, including descending operation mechanism and center pipe, center pipe by The driving lifting with lifting operating mechanism is set, it is characterized in that：It is fixed with the center pipe around the center of circle of center pipe In at least three wing plates of radiation profile, the inner chamber of the center pipe is led with the inner chamber of the wing plate in the medial extremity of wing plate Logical, the wing plate and center circle ttom of pipe end are provided with openable termination capping.

2. special-shaped sand drain according to claim 1 combines board-plugging device with drain bar, it is characterized in that：The termination capping is matched somebody with somebody It is equipped with opening device.

3. special-shaped sand drain according to claim 2 combines board-plugging device with drain bar, it is characterized in that：The opening device bag A pair of hydraulic tubes being arranged on the wing plate and center pipe are included, the termination capping includes two symmetrical valve traps, Trap is hinged with main body termination, and two valve traps are close to rear enclosed termination, and hydraulic tube upper end is connected with hydraulic cylinder, the lower end of hydraulic tube It is connected with hydraulic telescopic machanism, expansion link and the motion bar of hydraulic telescopic machanism are hinged, and motion bar is hinged with trap, the hydraulic pressure The keying of the flexible drive trap of the expansion link of telescoping mechanism.

4. special-shaped sand drain according to claim 3 combines board-plugging device with drain bar, it is characterized in that：The expansion link is in In Telescopic path, when the expansion link is inside contracted expansion link and at least the top of motion bar be in Telescopic path in, Telescopic path It is distributed at lower ending opening in the conical surface.

5. special-shaped sand drain according to claim 1 combines board-plugging device with drain bar, it is characterized in that：Termination cover with it is described Center pipe or wing plate are hinged, and hinged place is configured with the torsion spring for promoting the termination capping closing center pipe or wing plate to be hinged.