CN219547803U

CN219547803U - Grouting equipment

Info

Publication number: CN219547803U
Application number: CN202320884004.5U
Authority: CN
Inventors: 胡九林; 王建芸; 祁永强; 周伟; 孙延鸿
Original assignee: Gansu Wuhuan Road Engineering Co ltd
Current assignee: Gansu Wuhuan Road Engineering Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-08-18
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses grouting equipment, which relates to the field of frame beam anchor rod grouting, wherein a sleeve is arranged below a steel backing plate, a sealing ring is sleeved on the sleeve, a central anchor rod pipe is arranged in the center of the sleeve, and the inside and the outside of the central anchor rod pipe are connected with a central anchor rod.

Description

Grouting equipment

Technical Field

The utility model relates to the field of grouting of sash beam anchor rods, in particular to grouting equipment.

Background

The slope reinforcement is a measure for improving the stability of the slope of the strip mine, and the slope stability is improved by arranging a slope angle retaining wall under the slope angle of a slope breaking belt, arranging an anti-slide pile on a local breaking belt or the slope and grouting a rock stratum with an opening joint and a crack, the anchor rod frame grid beam is a novel slope reinforcement technology, has ideal effect on the reinforcement of a high-expansion soil slope and a weathered soil slope, and is widely used.

At present, in the grouting process of an anchor rod frame grid beam anchor rod, the problems are as follows: the grouting process only depends on a grouting pipe inserted into the bottom of the hole, the slurry forms self-flow under extremely small pressure of the equipment, when the slurry overflows from the hole opening, the grouting is determined to be completed, the grouting pressure does not reach the standard, the grouting compactness and saturation degree are poor, the slurry is hardly diffused, the quality is finally unqualified, and the protective effect of the frame Liang Bianpo is affected.

In view of this, the present utility model has been made.

Disclosure of Invention

Aiming at the problems, the utility model provides grouting equipment which solves the problems that grouting pressure does not reach the standard, grouting compactness and saturation are poor, and almost no slurry diffusion is formed.

The utility model adopts the technical scheme that: a grouting device comprises a steel backing plate, a sealing ring, a grouting pipe, a central anchor rod pipe, a sleeve, a grouting pipe, a grouting valve and a grouting machine connector;

a sleeve is arranged below the steel backing plate, a sealing ring is sleeved on the sleeve, a central anchor rod pipe is arranged in the center of the inside of the sleeve, and the inside and the outside of the central anchor rod pipe are connected with a central anchor rod;

one side of center stock pipe is equipped with the back pulp pipe, the opposite side of center stock pipe is equipped with the slip casting pipe, the slip casting pipe runs through the sleeve, and the first end of slip casting pipe is equipped with the slip casting valve, can dismantle on the slip casting valve 7 and be connected with the slip casting machine connector, the external slip casting hose of second end of slip casting pipe.

Further, the grouting valve is buckled and connected with the grouting machine connector.

Furthermore, the steel backing plate is composed of two round steel plates or flanges, the thickness of each round steel plate or flange is 1cm, the diameter of the round steel plate or flange at the upper layer is 5-10cm larger than the diameter of the drilled hole, and the diameter of the round steel plate or flange at the lower layer is the same as the diameter of the drilled hole.

Further, the sleeve is made of phi 89 steel pipes, and the length of the sleeve is 20cm.

Furthermore, the sealing ring is made of rubber, and an inflatable opening which can be opened and closed is arranged on the sealing ring.

Still further, the maximum diameter of the seal ring is 3cm.

The utility model has the advantages that:

according to the grouting device, the grouting hose is sleeved on the second end of the grouting pipe, the central anchor rod of the grouting device is sleeved on the central anchor rod to push into the pore canal until the grouting hose, the grouting pipe, the central anchor rod pipe, the sleeve and the grouting pipe all enter the pore canal, at the moment, the upper layer steel backing plate is tightly attached to the rock face, the lower layer steel backing plate is embedded into the pore canal, then the inflation port is opened, gas is injected into the inflation port, the sealing ring is inflated, after the sealing ring is filled with gas, the sealing ring and the pore canal which is opened in advance are extruded, the sleeve and the pore canal are clamped, the grouting valve is opened, grouting is started when the grouting machine is started, when continuous slurry is sprayed out of the grouting pipe, the grouting pipe is closed, at the moment, the pressure is not less than 0.8mpa, at the moment, the grouting machine system is automatically pressurized for grouting, at the moment, the grouting valve is closed at the moment, the grouting pressure is not up to standard, the grouting is completed, the problem that the grouting pressure is compact, the grouting degree is poor, the grouting degree is hardly formed, the diffusion of slurry is guaranteed, the grouting degree is guaranteed, the stability is guaranteed, and the slope stability is exerted. Under the effect of pressure, the diffusion degree is greatly enhanced, the effect of reinforcing the side slope is achieved, the stability of the side slope is further enhanced, and the side slope is simple in structure and high in practicability.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic view of the overall structure of the present utility model;

fig. 2 is a schematic view of the structure of the steel pallet of the present utility model.

Reference numerals:

1 is a steel backing plate; 2 is a sealing ring; 3 is a slurry return pipe; 4 is a central anchor rod pipe; 5 is a sleeve; 6 is a grouting pipe; 7 is a grouting valve; 8 is a grouting machine connector.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 2, a grouting device comprises a steel backing plate 1, a sealing ring 2, a grouting pipe 3, a central anchor rod pipe 4, a sleeve 5, a grouting pipe 6, a grouting valve 7 and a grouting machine connector 8;

a sleeve 5 is arranged below the steel backing plate 1, a sealing ring 2 is fixedly sleeved on the sleeve 5, a central anchor rod pipe 4 is arranged at the center inside the sleeve 5, a central anchor rod is connected inside and outside the central anchor rod pipe 4, a slurry return pipe 3 is arranged on one side of the central anchor rod pipe 4, a grouting pipe 6 is arranged on the other side of the central anchor rod pipe 4, the grouting pipe 6 penetrates through the sleeve 5, a grouting valve 7 is arranged at the first end of the grouting pipe 6, a grouting machine connector 8 is detachably connected to the grouting valve 7, and a grouting hose is externally connected to the second end of the grouting pipe 6;

in this embodiment: the steel backing plate 1 and the sleeve 5 are welded, the steel backing plate 1 is composed of two round steel plates or flanges, the thickness of each round steel plate or flange is 1cm, the diameter of the upper round steel plate or flange is larger than that of the drilled hole by 5-10cm, the diameter of the lower round steel plate or flange is the same as that of the drilled hole, the sleeve 5 adopts phi 89 steel pipes, and the length is 20cm, when the steel backing plate is used, the upper steel backing plate is tightly attached to a rock surface, the lower steel backing plate is embedded into a pore canal and is matched with the pore canal which is formed in advance, the grouting valve 7 and the grouting machine connector 8 are buckled and connected, the lower part of the grouting machine connector 8 can be inserted into the head part of the grouting valve 7,

the fixture block is installed to slip casting valve 7 head below department, and the buckle of slip casting machine connector 8 both sides can with the fixture block lock, and slip casting machine connector 8 effect is the connection slip casting machine of being convenient for, and the switch is installed to the back slurry pipe 3 department, like fig. 1.

The sealing ring 2 is made of rubber, an inflatable opening which can be opened and closed is formed in the sealing ring 2, and the maximum diameter of the sealing ring 2 is 3cm;

in this embodiment: when the sealing device is used, the gas charging port is opened, gas is injected from the gas charging port, the sealing ring 2 is inflated, after the sealing ring 2 is fully inflated, the diameter of the sealing ring 2 is 3cm, at the moment, the sealing ring 2 is extruded with a pore canal which is formed in advance, and the sleeve 5 is tightly clamped with the pore canal, as shown in fig. 1.

The working process of the utility model comprises the following steps:

when in use, a hole is firstly formed on the slope, a central anchor rod is arranged at the center of the hole, a grouting hose is sleeved on the second end of the grouting pipe 6, the central anchor rod pipe 4 of grouting equipment is sleeved on the central anchor rod to push the grouting hose, the grouting pipe 3, the central anchor rod pipe 4, the sleeve 5 and the grouting pipe 6 into the hole, at the moment, an upper layer steel backing plate is tightly attached to the rock face, a lower layer steel backing plate is embedded into the hole, then an air charging port is opened, air is injected into the air charging port, so that the sealing ring 2 is inflated, after the sealing ring 2 is fully inflated, the sealing ring 2 and the hole which is formed in advance are extruded, the sleeve 5 is clamped with a pore canal, a grouting machine connector 8 and a grouting valve 7 are fastened and fixed finally, the grouting valve is opened, grouting is started when the grouting machine is started, a grouting pipe 3 is observed at the moment, when slurry inclusion bubbles overflow from the grouting pipe 3, observation and continuous grouting are carried out, when continuous slurry ejection occurs from the grouting pipe 3, the grouting pipe 3 is closed, a pressure maintaining grouting stage is carried out at the moment, the pressure is not less than 0.8mpa, when the pressure is lower than 0.8mpa, the grouting machine system automatically pressurizes and grouting, the time is controlled to be 3-5min, when no slurry enters and the pressure is stable, the grouting valve 7 is closed at the moment, and primary grouting is completed;

when the primary grouting is completed, the grouting hose is pulled out, the phenomenon of falling back of the grouting surface occurs at the orifice, the secondary grouting is immediately carried out at the moment, the steps are the same as above, the secondary grouting is not installed with the grouting hose any more, the experiment proves that after the secondary grouting is completed, no obvious sign exists that the falling back of the grouting surface of the orifice is caused, the tertiary grouting is not carried out any more, and the whole working process is completed.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The grouting equipment is characterized by comprising a steel backing plate (1), a sealing ring (2), a grouting pipe (3), a central anchor rod pipe (4), a sleeve (5), a grouting pipe (6), a grouting valve (7) and a grouting machine connector (8);

a sleeve (5) is arranged below the steel backing plate (1), a sealing ring (2) is sleeved on the sleeve (5), a central anchor rod pipe (4) is arranged in the center of the inside of the sleeve (5), and the inside and the outside of the central anchor rod pipe (4) are connected with a central anchor rod;

one side of center stock pipe (4) is equipped with back thick liquid pipe (3), the opposite side of center stock pipe (4) is equipped with slip casting pipe (6), slip casting pipe (6) run through sleeve (5), and the first end of slip casting pipe (6) is equipped with grouting valve (7), can dismantle on grouting valve (7) and be connected with grouting machine connector (8), the external slip casting hose of second end of slip casting pipe (6).

2. Grouting equipment according to claim 1, characterized in that the grouting valve (7) is snap-fitted to the grouting machine connection head (8).

3. Grouting equipment according to claim 1, characterized in that the steel backing plate (1) is composed of two circular steel plates or flanges, each circular steel plate or flange has a thickness of 1cm, the diameter of the upper circular steel plate or flange is 5-10cm larger than the diameter of the drilled hole, and the diameter of the lower circular steel plate or flange is the same as the diameter of the drilled hole.

4. Grouting equipment according to claim 1, characterized in that the sleeve (5) is a phi 89 steel tube and has a length of 20cm.

5. Grouting equipment according to claim 1, characterized in that the sealing ring (2) is made of rubber, and the sealing ring (2) is provided with an inflatable opening which can be opened and closed.

6. Grouting device according to claim 5, characterized in that the sealing ring (2) has a maximum diameter of 3cm.