• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Soft soil stratum is stabilised by jetting powdery agent into the ground and mixing and agitating the same with the soil, in which a rotary shaft is inserted into the ground, powdery stabilised agent is pneumatically transported by way of transportation tube formed to the inside of the rotary shaft and jetted out from a nozzle disposed adjacent the mixing blade which is integrally attached to and extended from the top end of the shaft, mixed and agitated for solidification with the soil by the rotation of the mixing blade, while the carrier gas jetted into the ground is induced and discharged to the outside of the ground after separation and filtration. The supply of the powdery stabilised agent is always controlled optimally in accordance with a previously set condition. The powdery stabilised agent can be transported smoothly and mixed with the soil uniformly to provide satisfactory soil stabilisation, with no repair and maintenance problems.
    公开号:SU1410868A3
    申请号:SU853865857
    申请日:1985-02-01
    公开日:1988-07-15
    发明作者:Митани Такеси；Аико Хидео
    申请人:Кабусики Кайся Кобе Сейко Се (Фирма)；
    IPC主号:
    专利说明:

    00 od 00
     CM
    The invention relates to the construction, in particular to the strengthening of weak soils by introducing into them a Powder stabilizing agent.
    The purpose of the invention is to increase the uniformity of the soil to be reinforced and to reduce the degree of environmental pollution.
    FIG. 1 shows the arrangement and layout of the main equipment and communication lines of the control system; in fig. 2 — silos for powdered agent; Fig, 3 - feeder dosed supply of powdery agent; in fig. 4 shows the attachment of the moving blade to the rod, general view; in fig. 5 shows section A-A in FIG. four; in fig. 6 - the location of the covering casing rod; in fig. 7 shows the design of a blade and a bar, the second embodiment; FIG. 8 - blade, the third option; FIG. 9 is a section BB in FIG. figure 10 is the same, the second option; in fig. 11 — a blade, a fourth variant; FIG. 12 — the same, fifth, FIG. 13 - the same, the sixth variant, top view; in fig. 14 - the same, longitudinal section; in fig. 15 - distribution nozzle, the second option; in fig. 16 - the same, the third option; in fig. 17 - rod with auger drill fixed on it, the third embodiment; on the f. 18 — rod. with two rows of mixing blades, fourth embodiment; in fig. 19 - rod end, main and additional deflectable blades, general view; in fig. 20 - the location on the rod of the main and additional blades, the second option.
    The soil stabilization device has a mobile power station 2 located on the surface of the soil to be reinforced, a mobile control panel 3, a container 4 for a powder-like agent, for example cement 5 delivered by a vehicle 6, which drives onto the ramp 7. prior to unloading. using a pipeline (not shown).
    The device also contains a feeder 8 for dispensing cement by means of a hose 9 to the base means 10 located above the reinforced zone 11, a device 12 for separating residual cement or other powdered agent from the air sucked in by the suction fan 13 for directing it to the cyclone 14 with bag filter 15.
    As the base means 10, one of the known tracked vehicles with a tower 16 is used, on which
    E mounted engine 17 with a lifting device 18 type winch.
    Feeder 8 includes silos 21 mounted on base 19 with support 20, supported on dynamometers of brackets 22 and 23, inlet 2f4 for supplying compressed air, control valve 25, hermetic bellows 26, connecting hoppers 21 with capacitance 27 by pipeline 27 4, a cover 28 located at the bottom of each hopper 21 with a metering disc 29 and a discharge pipe 30 with a shut-off valve 31.
    In tower 16, there is a floor of a rod of 32 hectares, which by means of a swivel 33 is connected to the engine 17 and has a mixing blade 34 in the form of diametrically arranged consoles for directing it into a pre-drilled well to form a column 35 of a mixture of 36 cement and ground 1, producing fortified soil 37.
    The mixing blade 34 can be made curved in cross section of the outline with the teeth 38 and 39 along its lower edge, while the nozzle 41 connected to the internal cavity 40 of the rod 32 has its axial direction along the blade 34 (Fig. 4).
    On rod 32 there is a channel former 42, formed, for example, in the form of slats along a rod 32, four longitudinal rectangular projections forming a square in cross section (Fig. 5), or a longitudinal depression.
    A rail 43 is connected to the rail 32 above the ground surface, which by means of a bracket 44 is connected through an elastic annular jig 45 to a housing 46 that surrounds the rail 32. In the latter there is a bearing 47 and an outlet
    5 48, connected to the intake fan 13 and further through pipe 49 to the cyclone 14, in the lower part of which a container 50 is placed
    five
    0
    five
    0
    powdered stabilizing agent.
    The second embodiment of the implementation of the rod 32 is shown in FIG. 7. According to this embodiment, the cavity 40 is made in the form of a pipe 51 located with a gap 52 in the rod 32 having holes 53
    To create restrictions on the external reinforcement zone, a partition 54 can be applied at the end of the blade 34, and to improve the uniformity of distribution in the soil 1 of the stabilizing agent, it is advisable to use additional partitions 54 placed between the end partition 54 and the rod 32. In additional partitions 54 can be performed holes 55 (FIG. 12),
    In the sixth embodiment, the mixing blade 34 is provided with a longitudinal partition 56 and a curved guide 57 to create a curved trajectory 58 of the movement of the stabilizing agent in the form of an aerosol,
    Depending on the different conditions for strengthening the soil 1, a different arrangement of the nozzle 41 with respect to the length of the blade 34 (Figs. 15 and 16) can be applied, while at the location of the nozzle 41 in the middle part of the blade 34, the plate 59 is deflected. rod 32, it is advisable to install a screw auger 60. In the latter case, the rod 32 is formed by forming a channel 42 in the form of a groove in communication with a hole at the base of the blade 34.
    To improve the mixing efficiency of the fixing agent at the bottom of the borehole with the ground 1, a two-row arrangement of the blades 34 is recommended with the pipe 51 fixed by means of a bracket 61 and connecting pipes 62 connecting it with the nozzle 41 (Fig. 18). sealing elements 64 with a head 65 and a sealing element 66, and between the end of the pipe 51 and the head 65 a spring 67 is placed, pressing the sleeve 63 down. With the stop of the head 65 in the bottom of the well, the lower hole 68 in the sleeve 63 coincides with the lower nozzle 41, the upper nozzle 41 closes during this, and when the rod 32 is raised, the upper
    .
    ten
    15
    20
    25
    4108684
    the nozzle 41 is closed and the bottom, t, e. nozzle 41 lower blades 34.
    It is also advisable to use the construction shown in Figs. 19 and 20, which includes a sleeve 70 with a thread 71 in contact with a threaded bar on the rod 32. A support 72 is attached to the lower end of the rod 32, to which additional blades 32 deviating from the axis of the rod 32 are pivotally attached. 73 and 74, which are hingedly connected to each other and the sleeve 70. The main blade 34 can be placed between the sleeve 70 and the support 72 or several above the sleeve 70.
    The device for strengthening the soil works as follows.
    At the work site, a well with a diameter equal to the diameter of the mixing blade 34 described by the ends is drilled with a drill or other tool. In the well, the ground 1 is loosened and the base bar 10 is inserted into the well with the help of 16 of one of the required tools blades 34.
    At the same time, from tank 4, using a feeder 8, a powdered stabilizing agent, such as cement, slag or lime, is fed through a hose 9 through the swivel 33 and the cavity 40 of the rod 32 to the nozzles 35 of the blades. The powdered agent from the feeder 8 is supplied as an aerosol in the quantity 1 required to strengthen the soil, which is achieved by a corresponding speed of the metering disk 29. The powdery agent from the nozzle 41 exits along the blade 34, while the cross section of the latter has such a configuration that ensures that the nozzle is blocked 41 ground 1,
    Initially, the rotating rod 32 with the blades 34 is lowered into the well, while around the rod 32 by means of a channel 42, for example, a gap is created in the form of a rail through which excess air rises up and enters the housing 32 surrounding the rod 32, The latter is mounted on the surface 55 of the soil 1 by the transfer of the immersion of the rod 32,
    Air rising through duct 42 contains residues suspended in it.
    thirty
    40
    45
    51
    powdered fixing agent, so it is cleaned in a cyclone 14, where it is fed by a fan 13. Purified air through the filter 15 enters the atmosphere, and the remnants of the fixing agent in the container 50.
    After reaching the bottom of the well, the rod 32 with the blades 34 rises up, continuing to vigorously mix the powdered agent with the soil 1, while in the soil a column 35 of the reinforced soil 37 is formed by reacting the agent with water in the soil 1.
    At the end of the consolidation of the soil 1 in one place, the base means 10 moves to the next location of the reinforced zone 11, where the operations of strengthening the soil are repeated in the sequence shown.
    The required change in the dose of the powdered agent and other modes of the soil stabilization process 1 is carried out with the help of the mobile console 3 controls. Depending on the specific conditions, one of the following designs of the rod 32, blades 34, including the variant with additional blades 73 and 74, is used.
    Such an embodiment of the device provides a more uniform distribution of the anchoring agent in the soil, as a result of which the degree of equal strength of the fortified soil is increased. In addition, a catch is provided. 08686
    residues of the agent, which allows to reduce its consumption and eliminate pollution of the environment.
    权利要求:
    Claims (2)
    [1]
    1. A device for strengthening the soil, including mounted on
    Q base means hollow drill rod, container for powdered stabilizing agent with a feeder for its dosed feed, hose connecting the cavity with a swivel
    from the rod with the agent feeder, located at the end of the rod, mixing the blade, the distribution nozzle for the agent in the form of an aerosol and a control system that differs from the fact that, in order to increase the equal strength of the strengthened soil and reduce the degree of environmental pollution, a device for cleaning the air from the axis of the tatka of a powdered stabilizing agent with an intake fan; the mixing blade is made in the form of oppositely arranged consoles with a curvilinear transverse open downward th section recess and the drill rod has a channel-forming air outlet therealong.
    thirty
    [2]
    2. The device according to claim 1, characterized in that the drill rod is provided with additional accessories with a mechanism for their deviation relative to the rod axis.
    37
    34
    1
    24
    21
    23
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    nineteen
    FIG. 2
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    u /// /// i. 31 50
    FIG. H
     I
    31
    UU 1
    J4
    A-D 2- J- 42
    four/
    42
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    four
    5
    L "
    FIG. 7
    4/4 54 l / 4
    / / / / /
    X
     C
    //g.//
    5J 4L 54 34
     VVT I
     / / / 7
     -h, vx.x V-4vJvwwW4XX XNXN
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    / g / 2
    B b
    54
    5-5
    54
    9
    10
    .52 4 /
    55 57
    Xj
    4/55 Fug.f4
    57
    J4
    Fig.15
    J4
    59
    Phag.1b
    0 32
    FIG. 18
    0
    42
    32
    69
    54
    AO
    69
    70
    73
    eleven
    FIG. 2 o
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    同族专利:
    公开号 | 公开日
    EP0151526B1|1991-03-27|
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    KR900006384B1|1990-08-30|
    HK119393A|1993-11-12|
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    JPS60164509A|1985-08-27|
    EP0151526A2|1985-08-14|
    EP0151526A3|1986-09-17|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    JP59016132A|JPS60164509A|1984-02-02|1984-02-02|Method and apparatus for improving ground by jet stirring of powder|
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