Air vibration type vibration grouting rod

Abstract

The utility model discloses an air vibration type vibration grouting rod. The air vibration type vibration grouting rod comprises a vibration part, a piston type vibration device, an annular grouting pipe, a rubber hose, a grout stopping plug, a connecting section, a grout conveying hose, a first air conveying pipe, a second air conveying pipe and the like. According to the air vibration type vibration grouting rod, vibration force is provided for the grouting rod through the piston type vibration device, vibration is concentrated on the vibration part during grouting, slurry diffusion is facilitated, the rubber hose plays a damping role to prevent vibration from being transmitted upwards, and the blank of an existing vibration grouting rod is filled up.

Description

TECHNICAL FIELD

[0001] The utility model relates to saturated sand soil vibration liquefaction technical field especially, relates to a kind of gas vibration type vibration grouting rod BACKGROUND

[0002] Saturated sand layer is a kind of common soft and poor stratum, it is common in underground comprehensive pipe gallery, subway, tunnel and other engineering, its structure is loose, self-stability is poor, easy to sudden deformation, induce accident, the reinforcement of this stratum anti-seepage processing has been the hotspot of engineering research.Saturated sand layer is influenced after vibration, pore water pressure in soil body rises suddenly, stress between soil particles reduces to zero, soil body presents nearly liquid state, although grouting method has been more mature in many aspects development, but for sand layer, grouting effect is not satisfactory, often appear the situation that grout is difficult to inject, currently commonly used grouting rod in vibration grouting construction itself does not have vibration function or vibration effect is poor, the present application fills the blank of existing vibration grouting rod, places vibration source in sand layer, compared with previous research, the gas vibration type vibration grouting rod has the characteristics that vibration force is more concentrated, different vibration frequencies can be adjusted by controlling air valve.Construction efficiency can be accelerated, compared with traditional grouting rod device structure is simple and has complete functions. SUMMARY

[0003] The utility model aims at solving the shortcoming in prior art, and provides a gas vibration type vibration grouting rod.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A gas vibration type vibration grouting rod, including the reciprocating movement of the piston type vibration device in the vibration grouting rod to which the gas vibration type vibration grouting rod belongs is powered by inflation through the air pump to generate vibration, the inside of the gas vibration type vibration grouting rod is connected with the grout conveying hose through the hose joint, the grout conveying hose is used for conveying grout from the grouting machine to the vibration grouting rod, the grout flows out from the annular grouting pipe connected with the grout conveying hose at the lower end of the vibration grouting rod, and the air pump provides pressure to the grout stop plug through the second gas conveying pipe, so that the grout stop plug expands, to ensure that grouting is carried out smoothly.

[0006] As an optional embodiment, in the gas vibration type vibration grouting rod provided by the utility model, the rubber hose is used between the vibration part and the grout stop plug of the gas vibration type vibration grouting rod, and the two ends are connected through threads, and the vibration is concentrated at the lower end of the vibration grouting rod.

[0007] As an optional embodiment, in the gas vibration type vibration grouting rod provided by the utility model, the inner wall of the vibration part of the gas vibration type vibration grouting rod is directly welded with the piston type vibration device.

[0008] As an optional embodiment, in the air vibration type vibrating grouting rod provided by the present application, the piston type vibrating device is provided with uniform vibration by 8 piston type vibrators which are welded in a ring shape.

[0009] As an optional embodiment, in the air vibration type vibrating grouting rod provided by the present application, the second gas conveying pipe is connected with the grouting stop plug by using a hose joint in the vibrating grouting rod, and the first gas conveying pipe is connected with the piston type vibrating device by using a hose joint in the vibrating grouting rod.

[0010] As an optional embodiment, in the air vibration type vibrating grouting rod provided by the present application, the ring-shaped grouting pipe is sleeved outside the vibrating part by a threaded sleeve and connected with the internal grouting hose by a hose joint.

[0011] As an optional embodiment, in the air vibration type vibrating grouting rod provided by the present application, the air vibration type vibrating grouting rod needs to be used in combination with a grouting machine, a motor, a gas pump and the like.

[0012] The present application has the following beneficial effects:

[0013] The present application comprises a vibrating part, a piston type vibrating device, a ring-shaped grouting pipe, a rubber hose, a grouting stop plug, a connecting section, a grouting hose, a first gas conveying pipe and a second gas conveying pipe. The air vibration type vibrating grouting rod is characterized in that the inner wall of the vibrating part is welded with the piston type vibrating device, the ring-shaped grouting pipe is sleeved outside the vibrating part and connected with the internal grouting hose, the vibrating part is connected with the rubber hose, the rubber hose is connected with the grouting stop plug, the grouting stop plug is connected with the connecting section, and the first gas conveying pipe and the second gas conveying pipe are arranged inside the connected device, wherein the second gas conveying pipe and the first gas conveying pipe are connected with the grouting stop plug and the piston type vibrating device respectively, and the air vibration type vibrating grouting rod is formed. The device can realize horizontal exciting force and ensure that the vibration source is placed in the sand layer. In addition, the device can adjust different vibration frequencies by controlling the gas valve while realizing vibration liquefaction and grouting, so as to accelerate the construction efficiency. Compared with the traditional grouting rod device, the device has simple structure and complete functions. The device is suitable for the research on saturated sand layer vibration liquefaction and related vibration grouting engineering, and can be used for the grouting work in engineering by designers and researchers. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The present application provides a cross-sectional view of an air vibration type vibrating grouting rod

[0015] Figure 2 The present application provides a profile view of an air vibration type vibrating grouting rod

[0016] Figure 3 The present application provides a piston type vibrator of FP series

[0017] Figure 4 Schematic diagram of a piston vibration device

[0018] In the figure: 1 vibration part, 2 piston type vibration device, 3 rubber hose, 4 slurry stopper, 5 connecting section, 6 annular grouting pipe, 7 slurry delivery hose, 8 first air delivery pipe, 9 second air delivery pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] like Figure 1 As shown, the present invention provides a pneumatic vibration grouting rod, which includes a vibration part 1, a piston-type vibration device 2, an annular grouting pipe 6, a rubber hose 3, a slurry stopper 4, a connecting section 5, a slurry hose 7, a first air pipe 8, a second air pipe 9, etc. In the pneumatic vibration grouting rod, the inner wall of the vibration part 1 is welded to the piston-type vibration device 2, the annular grouting pipe 6 is sleeved on the outside of the vibration part 1 and is connected to the internal slurry hose 7 through a hose joint, the vibration part 1 is connected to the rubber hose 3 through a thread, the rubber hose 3 is connected to the slurry stopper 4 through a thread, the slurry stopper 4 is connected to the connecting section 5 through a thread, the first air pipe 8 and the second air pipe 9 are built into the connected device, wherein the second air pipe 9 is connected to the slurry stopper 4 through a hose joint, and the first air pipe 8 is connected to the piston-type vibration device 2 through a hose joint. The pneumatic vibration grouting rod can be set to different vibration frequencies by adjusting the air inlet valve of the piston-type vibration device 2.

[0021] Working principle: S1: Assemble the pneumatic vibration grouting rod and the grouting equipment into one, determine the required grouting position, and place the grouting rod therein;

[0022] S2: After reaching the designated position, start the air pump, open the valve of the first air pipe 8 of the piston vibrating device 2, open the valve of the second air pipe 9 of the slurry stopper 4, wait until the slurry stopper 4 enters the working state, and start the grouting equipment to start grouting;

[0023] S3: When the expected setting is achieved, the grouting equipment is turned off and the grouting is stopped. The valve of the first air pipe 8 of the piston vibrating device 2 is closed. The corresponding setting time is waited for according to the specific grouting material. The air pump is turned off and the grouting rod is pulled out after the grout plug 4 is restored.

[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pneumatic vibration grouting rod, characterized in that: The invention comprises a vibration part (1), a piston-type vibration device (2) arranged inside the vibration part (1), a slurry stopper (4), an annular grouting pipe (6), a slurry delivery hose (7), a first air delivery pipe (8) and a second air delivery pipe (9); the piston-type vibration device (2) is inflated by an air pump through the first air delivery pipe (8) to achieve reciprocating motion, thereby providing vibration power for the air-vibration vibration grouting rod; before grouting, the slurry is delivered to the vibration grouting rod through the slurry delivery hose (7) by the grouting machine matched with the device; the slurry extends to the slurry delivery hose (7) through the lower end of the vibration part (1) and flows out from the annular grouting pipe (6) connected to the slurry delivery hose (7); at the same time, the air pump provides pressure to the slurry stopper (4) through the second air delivery pipe (9), thereby expanding the slurry stopper (4) and ensuring smooth grouting.

2. The pneumatic vibrating grouting rod according to claim 1, characterized in that: The inner wall of the vibration part (1) is directly welded to the piston-type vibration device (2).

3. The pneumatic vibration grouting rod according to claim 1, characterized in that: The piston-type vibration device (2) is composed of eight piston-type vibrators welded together in a ring shape.

4. The pneumatic vibrating grouting rod according to claim 1, characterized in that: The pneumatic vibration grouting rod uses a rubber hose (3) to be connected at both ends through threads between the vibration part (1) and the grouting stopper (4), and the vibration is concentrated at the lower end of the vibration grouting rod.

5. The pneumatic vibration grouting rod according to claim 1, characterized in that: The second air supply pipe (9) is connected to the grouting stopper (4) in the vibrating grouting rod via a hose joint, and the first air supply pipe (8) is connected to the piston-type vibrating device (2) in the vibrating grouting rod via a hose joint.

6. The pneumatic vibration grouting rod according to claim 1, characterized in that: The annular grouting pipe (6) is threadedly sleeved on the outside of the vibration part (1) and is connected to the internal grouting hose (7) through a hose joint.

7. The pneumatic vibration grouting rod according to claim 1, characterized in that: It needs to be used with a grouting machine, electric motor, air pump, etc.

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