CN-224227803-U - Filter screen grouting device capable of preventing glue overflow

CN224227803UCN 224227803 UCN224227803 UCN 224227803UCN-224227803-U

Abstract

The utility model relates to the field of grouting devices, in particular to a filter screen grouting device for preventing glue overflow, which comprises a base, a pressurizing storage tank is arranged above the base, the feeding hopper is connected above the pressurizing storage tank in a through way, and the material conveying hose is connected below the pressurizing storage tank in a through way. According to the utility model, the butt-joint barrel is rotated to be close to the material injection barrel, so that the filter screen moves downwards, the through hole is exposed, grouting glue with high pressure can be conveyed into the backflow cavity through the backflow groove at the moment and conveyed into the material injection barrel along the through hole, so that one cycle is completed, the situation of glue overflow due to high pressure is avoided, the butt-joint barrel and the material injection barrel can be quickly cleaned after construction, the pressure can be actively controlled and released in the grouting process through the structure, the situation of glue overflow is avoided, the normal operation of construction is ensured, the structure is simpler and disassembled, and the later maintenance and cleaning are facilitated.

Inventors

CHEN JIANKANG
ZHU CHENGJUN
CHEN WEI
GU WENJUAN
CAO QIONG
Gu Zhenlan

Assignees

苏州德崧净化有限公司

Dates

Publication Date: 20260512
Application Date: 20250529

Claims (6)

1. The filter screen grouting device for preventing glue overflow comprises a base (001) and is characterized in that a pressurizing storage tank (101) is arranged above the base (001), a feed hopper (102) is connected above the pressurizing storage tank (101) in a penetrating manner, a material conveying hose (103) is connected below the pressurizing storage tank (101) in a penetrating manner, a material injection cylinder (104) is arranged on one side, far away from the pressurizing storage tank (101), of the material conveying hose (103), and a filter screen (105) is arranged in the material injection cylinder (104); The glue overflow prevention assembly (002) arranged in the material injection barrel (104) comprises an annular groove (201), wherein the annular groove (201) is formed in the inner wall of the material injection barrel (104), a plurality of groups of backflow cavities (205) are formed in the material injection barrel (104) in an annular distribution mode, a plurality of groups of through holes (206) are formed between the backflow cavities (205) and the inner wall of the annular groove (201), the through holes (206) of each group are in sealing fit with the outer side of the filter screen (105), and backflow grooves (207) are formed between the bottom of the backflow cavities (205) and the inner wall below the material injection barrel (104); The control assembly (003) arranged above the injection cylinder (104) comprises a butt joint cylinder (301), and the butt joint cylinder (301) is in threaded connection with the injection cylinder (104).
2. The glue overflow prevention filter screen grouting device as claimed in claim 1, wherein the glue overflow prevention assembly (002) further comprises sliding rods (202), and the sliding rods (202) are installed below the inner wall of the annular groove (201) in an annular distribution.
3. The grouting device for a filter screen for preventing glue overflow according to claim 1, wherein a plurality of groups of butt joint holes (203) are formed in the bottom of the filter screen (105) in an annular distribution, and the butt joint holes (203) are in sliding connection with corresponding sliding rods (202).
4. The grouting device for the filter screen for preventing glue overflow according to claim 3, wherein the sliding rod (202) is sleeved with a spring (204), and two sides of the spring (204) are respectively attached to the bottom of the filter screen (105) and the inner wall of the annular groove (201).
5. The glue overflow prevention filter screen grouting device as claimed in claim 1, wherein a plurality of groups of conical rings (208) are sequentially arranged on the inner wall of the backflow groove (207), conical openings of the conical rings (208) face the direction of the backflow cavity (205), and a rubber sealing ring (209) is fixedly sleeved on the material injection cylinder (104).
6. The grouting device for filter screen of claim 1, wherein the control assembly (003) further comprises push rods (302), the push rods (302) are installed below the butt joint barrel (301) in annular distribution, and the lower parts of the push rods (302) of each group are attached to the upper part of the filter screen (105).

Description

Filter screen grouting device capable of preventing glue overflow Technical Field The utility model relates to the field of grouting devices, in particular to a filter screen grouting device capable of preventing glue overflow. Background The grouting device is used for injecting grout into stratum, rock crack, building structure gap or concrete to realize the engineering purposes of reinforcement, seepage prevention, leakage stopping, etc. The working principle is based on the hydraulic, pneumatic or electrochemical principle, and the prepared slurry is uniformly and continuously injected into a target area through a pipeline system. Through searching, the utility model patent with the bulletin number of CN202214729U specifically discloses a rapid hole sealing grouting device. The utility model aims to provide a rapid hole sealing grouting device which is simple in structure and convenient to operate, and can efficiently solve the problem of sealing in the presence of pressurized water at any hole depth. The quick hole sealing grouting device comprises a steel pipe for conveying slurry and is characterized in that a positioning ring is arranged on the steel pipe at a part to be sealed, and a hard wedge-shaped circular ring and a flexible circular ring are sleeved on the steel pipe at the orifice side of the positioning ring in sequence. The utility model is suitable for quick hole sealing in grouting of various small-aperture drilling grouting fields. In the use process of the existing grouting device, after the hole is drilled at the hollow position, the grouting device is required to penetrate through the hole to carry out grouting glue water delivery, but in the delivery process, the situation of glue overflow can be caused due to the fact that the internal pressure is large, so that the simple sealing treatment is generally adopted at the joint of the hole and the grouting injection pipe, and the normal grouting construction is affected due to the fact that the grouting glue overflows under the condition that the pressure is large. Therefore, it is necessary to solve the above problems by inventing a filter screen grouting device for preventing glue overflow. Disclosure of utility model The utility model aims to provide a filter screen grouting device for preventing glue overflow, which realizes pressure reduction by actively controlling the opening and closing of a backflow cavity and a backflow groove, thereby avoiding the glue overflow effect and solving the problem that the normal grouting construction is influenced due to the fact that the glue overflow occurs when the pressure is high in the construction process in the prior art. In order to achieve the aim, the utility model provides the technical scheme that the filter screen grouting device for preventing glue overflow comprises a base, wherein a pressurizing storage tank is arranged above the base, a feed hopper is connected above the pressurizing storage tank in a through way, a material conveying hose is connected below the pressurizing storage tank in a through way, a material injection cylinder is arranged on one side, far away from the pressurizing storage tank, of the material conveying hose, and a filter screen is arranged in the material injection cylinder; The glue overflow prevention assembly arranged in the material injection cylinder comprises an annular groove, wherein the annular groove is formed in the inner wall of the material injection cylinder, a plurality of groups of backflow cavities are annularly distributed in the material injection cylinder, a plurality of groups of through holes are formed between the backflow cavities and the inner wall of the annular groove, the through holes are in sealing fit with the outer side of the filter screen, and backflow grooves are formed between the bottom of the backflow cavities and the inner wall below the material injection cylinder; the control assembly arranged above the material injection cylinder comprises a butt joint cylinder which is in threaded connection with the material injection cylinder. Preferably, the glue overflow prevention assembly further comprises sliding rods, and the sliding rods are annularly distributed and installed below the inner wall of the annular groove. Preferably, a plurality of groups of butt joint holes are formed in the bottom of the filter screen in an annular distribution mode, and the butt joint holes are connected with corresponding sliding rods in a sliding mode. Preferably, the sliding rod is sleeved with a spring, and two sides of the spring are respectively attached to the bottom of the filter screen and the inner wall of the annular groove. Preferably, a plurality of groups of conical rings are sequentially arranged on the inner wall of the reflux groove, the conical opening of each conical ring faces the direction of the reflux cavity, and a rubber sealing ring is fixedly sleeved on the material injection cylinder. Preferably, the contro