Water injection device in front of guide hole of desert photovoltaic pile foundation

Abstract

The utility model discloses a water injection device in front of a guide hole of a desert photovoltaic pile foundation, which relates to the technical field of photovoltaic pile foundation construction, and is characterized in that a shunt pressure pump, a water pressure gauge, a flow meter and a second control valve are arranged between a hard pipe and a water source section, and the shunt pressure pump can pressurize a water source input into the hard pipe; the water pressure gauge and the flow meter can display water pressure and flow in real time, the second control valve can control water flow output from the hard pipe to the water drill bit according to water pressure and flow information fed back by the water pressure gauge and the flow meter, and therefore the amount of water injected into a hole can be controlled, and the water injection amount can be controlled quantitatively. Refined control over soil water injection construction is achieved, especially for the desert silty fine soil environment, the water pressure and the water amount are better controlled, hole collapse can be effectively prevented, rework is avoided, resource consumption is reduced, and the construction efficiency is improved; meanwhile, the device is simple and reasonable in structure and low in manufacturing cost, and all parts are easy to obtain and convenient to replace.

Description

TECHNICAL FIELD

[0001] The utility model belongs to photovoltaic pile foundation construction technical field, concretely relates to a sand photovoltaic pile foundation hole guide water injection device before. BACKGROUND

[0002] There are a large number of photovoltaic large base projects in Shagebarren area, and the photovoltaic pile foundation construction of these projects is difficult. Hole guide is often needed before drilling, and the depth of hole guide is about 1m-2m. However, the number of hole guide is large, and the quality requirement of hole guide is high. In Shagebarren area, especially in desert area, the wind and sand are large, the sand is dry, and the hole is easy to collapse if not water injection after digging. For part of fine sand, the moisture content in soil can form a liquid film in soil body, generate matrix suction on soil particles in the film, pull the soil body, and improve the cohesion of soil body. Therefore, the water injection process is increased before desert photovoltaic hole guide to improve the cohesion of soil body and prevent hole collapse.

[0003] The traditional water injection equipment is directly connected with water source and thin steel pipe through rubber hose, the equipment cannot accurately control water pressure and water quantity, the soil layer is damaged or the thin steel pipe is broken when water pressure is too large, water body is difficult to inject when water pressure is too small, and water quantity control basically relies on manual experience, so that standardization construction cannot be realized. UTILITY MODEL CONTENTS

[0004] In order to solve the technical problem that the existing water injection device cannot accurately control water pressure and water quantity, the utility model aims at providing a sand photovoltaic pile foundation hole guide water injection device before.

[0005] The technical scheme adopted by the utility model is:

[0006] A sand photovoltaic pile foundation hole guide water injection device before, including water source section, control section and water injection section, the water injection section includes water drill head, hard pipe and second control valve, the control section includes shunt pressurizing pump, water pressure gauge and flowmeter, the water inlet end and water outlet end of shunt pressurizing pump are connected with water source section and hard pipe respectively through soft pipe, and the water pressure gauge and flowmeter are arranged on soft pipe and located between shunt pressurizing pump and second control valve, one end of hard pipe is provided with water drill head, and the water drill head is used for hole guide and water injection, and the second control valve is used for controlling water source output of water drill head.

[0007] As optional, the water source section includes water pump, filter screen head and water tank, the water inlet end of water pump is connected with filter screen head, and the water outlet end is connected with water tank.

[0008] As optional, the first control valve is arranged between water tank and water pump.

[0009] As optional, the first control valve is arranged between water tank and shunt pressurizing pump.

[0010] The utility model has the advantages of:

[0011] The utility model provides a kind of desert photovoltaic pile foundation hole guide water injection device before, by being arranged between rigid pipe and water source section shunt pressurizing pump, water pressure gauge, flowmeter and second control valve, shunt pressurizing pump can pressurize the water source input into rigid pipe, water pressure gauge and flowmeter can real-time display water pressure and flow, according to the water pressure and flow information fed back by water pressure gauge and flowmeter, second control valve can control the water flow output of rigid pipe to water drill head, to realize the control to the water amount injected into hole, can quantitatively control water injection amount, realize the fine management and control of soil water injection construction, especially for desert fine soil environment, better control water pressure and water amount can effectively prevent hole collapse, to avoid rework, help to save resource consumption, improve construction efficiency;While, the utility model structure is simple and reasonable, cost is low, and each component is easy to obtain, and it is convenient to replace. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic view when the utility model injects water.

[0013] Figure 2 It is the structure schematic view when the utility model pumps water.

[0014] In the drawing: 1-water tank, 2-first control valve, 4-shunt pressurizing pump, 5-flowmeter, 6-water pressure gauge, 7-second control valve, 8-rigid pipe, 9-water drill head, 10-filter screen head, 11-pump. DETAILED DESCRIPTION

[0015] Example one:

[0016] In the embodiment, as Figure 1The device includes a water source section, a control section and a water injection section; the water injection section includes a water drill bit 9, a hard pipe 8 and a second control valve 7, the control section includes a shunt pressurizing pump 4, a water pressure gauge 6 and a flow meter 5; the water inlet end and the water outlet end of the shunt pressurizing pump 4 are connected with the water source section and the hard pipe 8 through soft pipes respectively; the water pressure gauge 6 and the flow meter 5 are arranged on the soft pipe and are located between the shunt pressurizing pump 4 and the second control valve 7; one end of the hard pipe 8 is provided with the water drill bit 9, the water drill bit 9 is used for hole drilling and water injection, and the second control valve 7 is used for controlling the water source output of the water drill bit 9. By arranging the shunt pressurizing pump 4, the water pressure gauge 6, the flow meter 5 and the second control valve 7 between the hard pipe 8 and the water source section, the shunt pressurizing pump 4 can pressurize the water source input into the hard pipe 8, the water pressure gauge 6 and the flow meter 5 can display the water pressure and the flow in real time, according to the water pressure and the flow information fed back by the water pressure gauge 6 and the flow meter 5, the second control valve 7 can control the water flow output of the hard pipe 8 to the water drill bit 9, so as to control the water amount injected into the hole, quantitatively control the water injection amount, realize the fine management and control of the soil water injection construction, especially for the desert fine soil environment, better control of the water pressure and the water amount can effectively prevent the hole from collapsing, so as to avoid rework, help to save resource consumption and improve construction efficiency; meanwhile, the utility model has the advantages of simple and reasonable structure, low cost, easy acquisition of components and convenient replacement.

[0017] In the embodiment, the soft pipe is a rubber hose, and the hard pipe 8 is a thin steel pipe.

[0018] In the embodiment, the water tank 1 is a water tank on a water tank truck.

[0019] In the embodiment, the second control valve 7 is a three-way valve, and one end outlet of the second control valve 7 is communicated with the outside, for pressure relief of the hard pipe 8.

[0020] In the embodiment, the water source section includes a water pump 11, a filter screen head 10 and the water tank 1, the water inlet end of the water pump 11 is connected with the filter screen head 10, and the water outlet end is connected with the water tank 1. The water tank 1 is connected with the water pump 11 and the shunt pressurizing pump 4 through the first control valve 2. The first control valve 2 is a three-way valve, which is communicated with the water tank 1 and the water pump 11 during water pumping (for example, when the water tank 1 is empty), and water source is supplemented from the water source to the water tank 1 through the soft pipe; during water injection, the first control valve 1 is communicated with the shunt pressurizing pump 4. Figure 2 As shown in the figure, the first control valve 2 is communicated with the water tank 1 and the water pump 11, and water source is supplemented from the water source to the water tank 1 through the soft pipe during water pumping; during water injection, the first control valve 1 is communicated with the shunt pressurizing pump 4.

[0021] The water pumping process generally uses local river water, and the water pump 11, a transparent rubber tube and the filter screen head 10 are used during water pumping. The filter screen head 10 can filter out sand, stones and water plants in the water, so as to ensure the water quality, the transparent rubber tube can observe the water filling condition, the exhaust sealing condition needs to be checked when water filling is difficult, and the selection of the water pump 10 is related to the local river depth and the size of the tank truck.

[0022] The water injection process adopts rubber hose, shunt pressurizing pump 4, flow meter 5, water pressure gauge 6, thin steel pipe 8 and water drill bit 9. The shunt pressurizing pump 4 comprises three-cylinder plunger pump, belt pulley and gasoline engine. The specific operation steps are as follows:

[0023] 1. The water tank truck is parked at a proper position, and the rubber hose, shunt pressurizing pump 4, flow meter 5, thin steel pipe and other equipment are laid out.

[0024] 2. The water tank 1, shunt pressurizing pump 4, flow meter 5 and water pressure gauge 6 are connected in sequence, and the water leakage of the rubber hose is checked.

[0025] 3. The thin steel pipe and water drill bit 9 are drilled to the specified depth at the pre-measured and laid-out point, and the water pressure gauge 6 and the thin steel pipe are connected through the rubber hose.

[0026] 4. The gasoline engine and the plunger pump are started, the pressure is adjusted to a proper value, the second control valve 7 is opened, water is injected into the hole through the thin steel pipe and the water drill bit 9, the injection pressure is dynamically adjusted by the shunt pressurizing pump 4 of the plunger pump during the injection, so as to ensure that the pressure is within a reasonable range. When the flow meter 5 reaches the specified value, the second control valve 7 is closed. The pressure relief port of the second control valve 7 is opened, the water pressure in the thin steel pipe is discharged, and then the thin steel pipe and the rubber hose are disconnected.

[0027] 5. Steps 3 and 4 are repeated until all the hole positions are injected with water.

[0028] 6. When the scene is withdrawn, all the equipment is disconnected, the water leakage of the rubber hose is marked, the working conditions of the plunger pump and the gasoline engine are checked, and all the equipment is loaded into the truck and transported back.

[0029] It should be noted that the water pump 10, the shunt pressurizing pump 4, the flow meter 5, the water pressure gauge 6, the thin steel pipe 8 and the water drill bit 9 are commercially available products, which will not be described here.

[0030] In the utility model, unless another definite provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be understood in a broad sense, for example, it can be fixed connection, or it can be detachable connection, or it can be integrated; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0031] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0032] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A desert photovoltaic pile foundation hole drilling water injection device, characterized in that: The water source section, the control section and the water injection section are included. The water injection section includes a water drill head (9), a hard pipe (8) and a second control valve (7), The control section includes a shunt booster pump (4), a water pressure gauge (6) and a flow meter (5); The water inlet end and the water outlet end of the shunt booster pump (4) are connected with the water source section and the hard pipe (8) respectively through a soft pipe; The water pressure gauge (6) and the flow meter (5) are arranged on the soft pipe and located between the shunt booster pump (4) and the second control valve (7); One end of the hard pipe (8) is provided with the water drill head (9), the water drill head (9) is used for hole leading and water injection, and the second control valve (7) is used for controlling the water source output of the water drill head (9).

2. A device for pre-watering of a hole for a photovoltaic pile in a desert according to claim 1, characterized in that, The water source section includes a water pump (11), a filter screen head (10) and a water tank (1), the water inlet end of the water pump (11) is connected with the filter screen head (10), and the water outlet end is connected with the water tank (1).

3. A device for pre-watering of a hole for a photovoltaic pile in a desert according to claim 2, characterized in that, The first control valve (2) is arranged between the water tank (1) and the water pump (11).

4. A device for pre-watering of a hole for a photovoltaic pile in a desert according to claim 2, characterized in that, The first control valve (2) is arranged between the water tank (1) and the shunt booster pump (4).

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