Method and device for plastic drainage system erection

FIELD: irrigation building, particularly for laying collector-and-drainage system in the case of high ground water level (which is below plough-layer).

SUBSTANCE: method involves erecting pits along drain lines having inclined walls, wherein pit wall inclination is less than natural filtering material slope; filling the pits with filtering material along drain-installing machine travel so that filtering material volume is equal to that of blinding material; laying drain lines along pit axes with narrow-trench drain-installing machine after drain-installing machine bin is filled with filtering material up to level above ground water one, wherein drain laying rate exceeds rate of water percolation from watered ground of trench backfill; maintaining constant filtering material level in the bin due to supplying thereof from pit; additionally leveling and compacting upper filtering material surface. Device comprises main machine, active working tool with reverse operating chain rotation, guiding draining pipe chute and bin. Bin has front cutting part, expandable transversal walls and longitudinal walls bending in vertical plane. Receiving windows are formed in longitudinal walls. Splitter located in front of working tool is mounted on working tool frame and may perform vertical displacement. Splitter comprises plough and side wings enclosing working tool from two sides and connected to plough in front wing parts and to hinges in rear parts thereof. The hinges are connected to bin in front of receiving windows having additional wings installed behind receiving windows to allow installation angle change. Device has gate extending at 3°-4° angle to drain line and located in lower bin part.

EFFECT: increased capacity and drain laying quality, as well as following drainage operational efficiency.

4 cl, 4 dwg

 

The present invention relates to the reclamation construction and can be used in the process of construction of a drainage network with high groundwater levels (but below the arable horizon).

There is a method of construction of trenchless drainage (autospid. No. 1463857, E 02 In 11/00, 1987), including the gasket of closed manifolds, the passage of the pits of sinks-sinks angle of the side faces is equal to the natural angle of repose of the filter material, backfilling of pits filter material and laying of drainage trenchless genocidical crossing profile pits.

A disadvantage of the known technical solution is the high energy intensity of trenchless construction method of drainage, and in addition, work in waterlogged soils leads to compaction of the walls cut by knife granolithic cracks and waterlogging of the filtering material in the area of the drain, which reduces the quality of the styling and performance of drainage.

The closest offer is ushtrasana way drainage construction (Vmmemctl " Technology training runs drains in the Stavropol region", Proc. of advanced technologies for the construction and operation of irrigation systems., M: Agropromizdat, 1990, pages 133-134, 5, Annilation, Vmmemctl "Ensuring ushtrasana is remolacio filter material", see ibid - page 129-130, Fig. 1), including dredging vegetable soil with the device of the trenches with a width of 0.6-0.9 m along the slopes of drains, laying of drains along the axis of the pits ushtrasana genocidical with simultaneous submission of the filtering material by the loader, the backfilling of the trench mineral soil and backfill pits vegetable soil.

The disadvantage of this method is the implementation of the trenches with vertical walls, which leads to collapse of the soil during the subsequent laying of drains and the loss of vegetative ground. In this joint work of granolithic with material handler limits the performance of the last speed of laying drains. In addition, when working in flooded soils may waterlogging of the filtering material in the lower part of the hopper, which leads to disruption of the process of forming the filter sprinkled, reduces productivity and quality of laying drains.

To eliminate the mentioned disadvantages allows the proposed method of construction plastic drainage, including the device ditches on the highway drains, laying of drains along the axis of the pits ushtrasana genocidical with simultaneous submission of the filtering material and backfilling of trenches and backfill of trenches, in which the pits do with the slope of the side walls is less than the natural angle the n slope of the filtering material and in the course of granolithic filled with filtering material in the volume, equal to the amount of drainage sprinkled, and the laying of drains is carried out after the filling of granolithic the filtering material above the groundwater table and hold it with a speed higher than the speed of filtration of water or backfilling trenches, the level of filtering material in the hopper support through the filtering material from the pits. In addition, in the process of laying drains can further levelling and compaction of the top of the filter package.

Known design ushtrasana of granolithic (RF patent No. 2206670, E 02 F 5/10, 2001), which includes the basic machine, active working body with a reverse rotation of the working circuit, the guide chute drainage pipe, a hopper containing the front cutting edge, sliding the transverse wall and installed with the possibility of deflection in the vertical plane of the longitudinal walls.

The disadvantage of using this device at high groundwater level is waterlogging of the filtering material in the lower part of the hopper, which leads to disruption of the process of forming the filter package and reduces the quality of the laying of drainage. In addition, the joint work of granolithic with material handler limits the performance of the last speed of laying drains and does not provide stable support level of filtering material in the hopper you the e groundwater level.

To eliminate this disadvantage the proposed device allows for the implementation of the proposed method, which includes the basic machine, active working body with a reverse rotation of the working circuit, the guide chute drainage pipe, a hopper containing the front cutting edge, sliding the transverse wall and installed with the possibility of deflection in the vertical plane of the longitudinal wall, in which the bunker is equipped executed in its longitudinal walls of the receiving Windows, and in front of the screed on his frame mounted with a possibility of vertical movement of the divider, consisting of shares with the roller and the side wing, the envelopes with the two sides of the active working body and connected to the forward portion of the plow and in the back with hinges attached to the hopper before receiving Windows, which are placed with the possibility of changing the angle of installation of an additional wing. In addition, at the bottom of the hopper the flap angle 3-4° to the axis of the stacked drain.

The essence of the invention lies in the fact that the implementation of the pits with the slope of the side walls is less than the angle of repose of the filtering material and the filling of the filtering material in the course of granolithic with divider and boot Windows in the longitudinal walls of the hopper, allow with minimum sweat is s to provide continuous uploading of the hopper and maintaining a level of filtering material therein above the level of groundwater, thus creating a constant additional load on the stacked layer drainage sprinkled. This allows to overcome the resistance of flooded soil backfilling of the trench, which in combination with the laying of drains at a rate above the rate of water infiltration from the soil backfill provides more high quality installation of drainage and further improve its performance.

The presence of valves in the lower part of the tank will allow time for pre-loading the hopper to prevent hydration of the filtering material in the lower part of the watered soil of the trench. Open the flap in the process of laying drains as the screen blocks the access of moisture to the boundary of the formation of drainage sprinkled, and located at an angle 3-4° to the axis of the stacked drain it produces additional levelling and compaction of the upper drainage sprinkled that allows you to slow the process of training waterlogged soil backfill.

The essence of the invention is illustrated by drawings, where figure 1 shows a device for implementing the method, side view; figure 2 is a view in plan; figure 3 - implementation of the proposed method in the plan; figure 4 - sequence of the complete method.

The device for implementing the method (ushtrasana granolithic) which incorporates both the basic machine 1, active working body 2, the guide chute 3 of the drainage pipe and the hopper 4. Before working body on the frame 5 is mounted divider 6, consisting of a plow blade 7 with the supporting wheel 8 and the side wing 9, the envelopes with the two sides working body. The side wing front end connected to the blade 7, and the rear - with hinges 10, assigned to adoptive Windows 11, performed on the longitudinal walls of the hopper 4. The side wing 9 is connected to the frame 5 by means of the hydraulic cylinders 13, which is raising and lowering of the cutting mechanism. For adoptive Windows installed additional wing 14, the angle of installation of which is regulated by the screw extensions 15. At the bottom of the hopper on the border of forming the filter sprinkled angle 3-4° to the axis of the stacked drain 17 may be mounted flap 16. The damper control can be carried out using the gear 18 and the lever 19.

The proposed method using the proposed device is as follows.

Before laying the drains 17 along perform the pits 12. The main parameters of the pits is selected based on the volume of the filter sprinkled, while the bottom width should equal the width of the excavated trench, the angles of the side faces is less than the angle of repose of the filtering material, the depth within the topsoil. The mouth of austo pits 12 perform, for example, canlocate 20 with the mechanism keeping the set bias. Ushtrasana granolithic set along the axis of the pit into position, using the mechanism 19 to close the valve 16. In the course of granolithic a pit filled with filtering material in the volume equal to the volume of the filter package. With the help of hydraulic cylinders 13 and screw marks 15 are installed in working position the divider 6 and the additional wing 14. The loader 22 fill the hopper 4 by the filtering material to the level above the groundwater level. Then open the valve 16 and begin laying drainage.

Laying drains perform at speeds exceeding 20 m/h, which exceeds the rate of water infiltration from the soil backfill the trench 23. In the process of laying drains filtering material in the pit before genocidical divider 6 is divided into equal parts and taking an active part of the working body 2, is sent to the receiving window 11 of the hopper 4. Part of the filtering material when it is displaced on the slopes of the pit, but due to the fact that the slope of its side walls is less than the angle of repose of the filtering material, the latter is poured back into the hopper. Additional wing 14 of the device prevent the penetration of the filtering material in the trench with backfill, also directing it into the receiving window 11. This supports the post is permanent level of filtering material in the hopper, providing a more stable and high-quality process of installation of the filter package.

The presence of valves installed at an angle 3-4° to the axis of the stacked drains and open representing the screen will prepyatstvovat entering the lower part of the hopper 4 moisture from the soil backfill trenches and advanced to level and seal the top of the drainage sprinkled.

Thus, the proposed method of construction plastic drainage using the proposed device allows to increase the productivity and quality of laying drainage, with a high level of groundwater and the effectiveness of its subsequent operation.

1. The method of construction plastic drainage, including the device ditches on the highway drains, laying of drains along the axis of the pits ushtrasana genocidical with simultaneous submission of the filtering material and backfilling of trenches and backfill of pits, wherein the pits do with the slope of the side walls, the smaller the angle of repose of the filtering material, and in the course of granolithic filled with filtering material in an amount equal to the amount of drainage sprinkled, and the laying of drains is carried out after the filling of granolithic the filtering material above the groundwater table and hold it with a speed higher than the speed of filtration of obodan the th backfilling of the trench, the level of filtering material in the hopper support through the filtering material from the pits.

2. The method according to claim 1, characterized in that in the process of laying drains spend additional levelling and compaction of the top of the filter package.

3. Device for plastic construction drainage, which includes the basic machine, active working body with a reverse rotation of the working circuit, the guide chute drainage pipe, a hopper containing the front cutting edge, sliding the transverse wall and installed with the possibility of deflection in the vertical plane of the longitudinal wall, characterized in that the bunker is equipped executed in its longitudinal walls of the receiving Windows, and in front of the screed on his frame mounted with a possibility of vertical movement of the divider, consisting of shares with the supporting roller and the side wing, the envelopes with the two sides of the active working body and connected to the front of the plowshare, and the rear - with the hinges attached to the hopper before receiving Windows, which are placed with the possibility of changing the angle of installation of an additional wing.

4. The device according to claim 3, characterized in that the lower part of the hopper the flap angle 3-4° to drain axis.



 

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