Double-liquid mixing device for geotechnical engineering leaking stoppage and reinforcement grouting

By introducing the conveying assembly and agitating assembly into the dual-liquid grouting device, the problems of excessive pressure and uneven mixing of the liquid outlet pipe are solved, and uniform mixing and rapid transport of water glass and cement slurry are achieved.

CN223085084UActive Publication Date: 2025-07-11JIAN YAN FOUND ENG
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421514984.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-07-11
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing dual-liquid grouting device can easily lead to excessive pressure and damage to the liquid outlet pipe during the mixing process, uneven mixing, and poor practicality and mixing effect.

Method used

The conveying assembly and the stirring assembly are used to drive the spiral conveying plate by the conveying motor for primary mixing, and the stirring sheet is driven by the stirring motor to ensure uniform mixing of the water glass and cement slurry.

Benefits of technology

It effectively prevents damage caused by excessive pressure on the conveying cylinder, improves the uniformity and efficiency of mixing, and ensures that the mixture liquid is quickly transported to the grouting position.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223085084U_ABST
    Figure CN223085084U_ABST
Patent Text Reader

Abstract

The utility model discloses a double-liquid mixing device for geotechnical engineering leaking stoppage and reinforcement grouting, relates to the technical field of double-liquid grouting, and aims to solve the problems that in the background technology, the internal pressure of a liquid outlet pipe is too large, the liquid outlet pipe is easy to damage, the practicability is low, water glass and cement paste are not stirred, mixed liquid is non-uniformly mixed, and the grouting efficiency is high. According to the technical scheme, the device comprises a mounting mechanism, the mounting mechanism comprises a bottom plate, a mounting plate fixedly arranged on the outer wall of the top of the bottom plate and a supporting plate fixedly arranged on the outer wall of the top of the bottom plate, and a storage mechanism is arranged above the bottom plate; the storage mechanism comprises a conveying cylinder which penetrates through and is fixedly arranged on the outer wall of one side of the mounting plate. Water glass and cement paste can be primarily mixed and conveyed, so that the situation that the conveying cylinder is damaged due to the fact that the internal pressure of the conveying cylinder is too large is prevented, the practicability is improved, mixed liquid can be rapidly mixed, and the working efficiency is improved. The mixing effect is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of double - liquid grouting, in particular to a double - liquid mixing device for plugging and reinforcement grouting in geotechnical engineering. Background Technique

[0002] Double - liquid grouting essentially involves alternately injecting sodium silicate and calcium chloride solutions into the soil. The two solutions react quickly to form silica gel and calcium silicate gel, which play a role in cementing and filling pores, improving the strength and bearing capacity of the soil, and is mostly used in geotechnical engineering.

[0003] After retrieval, the Chinese patent (application number "202120595611.0") discloses "a slurry mixing device for a double - liquid grouting machine". The above - mentioned device includes a sodium silicate injection pipe and a cement slurry injection pipe. The front end of the sodium silicate injection pipe is a double - wall pipe structure. The inner cavity of the double - wall pipe structure is a double - liquid mixing cavity, which is connected to the sodium silicate injection pipe and a check diaphragm is arranged between them. A number of through - holes are provided on the inner wall of the inner pipe of the double - wall pipe structure. The front end of the cement slurry injection pipe is a liquid outlet pipe with a number of through - holes on its wall. A rubber one - way check film is sleeved outside the liquid outlet pipe. The liquid outlet pipe of the cement slurry injection pipe is inserted into the inner pipe of the double - wall pipe structure, and a spring structure is arranged at the front end of the inner pipe of the double - wall pipe structure; the front end of the double - wall pipe structure is the mixed liquid outlet; the sodium silicate injection pipe and the cement slurry injection pipe are connected by a rotary card slot and a card shaft. However, during the use of the above - mentioned device, the following problems exist:

[0004] 1. When the mixture of sodium silicate and cement slurry enters the liquid outlet pipe, the inner diameter of the liquid outlet pipe is smaller than that of the sodium silicate input pipe and the cement slurry input pipe. The entry of the mixed liquid into the liquid outlet pipe will cause excessive internal pressure in the liquid outlet pipe, easily leading to damage to the liquid outlet pipe and low practicability.

[0005] 2. When mixing sodium silicate and cement slurry, only relying on the input pressure to input sodium silicate and cement slurry into the liquid outlet pipe, without stirring sodium silicate and cement slurry, resulting in uneven mixing of the mixed liquid and poor mixing effect. Content of the Utility Model

[0006] The utility model provides a double - liquid mixing device for plugging and reinforcement grouting in geotechnical engineering, which solves the problems that the comparative document will cause excessive internal pressure in the liquid outlet pipe, easily leading to damage to the liquid outlet pipe, low practicability, without stirring sodium silicate and cement slurry, resulting in uneven mixing of the mixed liquid and poor mixing effect.

[0007] To achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A two - liquid mixing device for plugging and reinforcement grouting in geotechnical engineering, including an installation mechanism. The installation mechanism includes a bottom plate, a mounting plate fixedly arranged on the outer wall of the top of the bottom plate, and a support plate fixedly arranged on the outer wall of the top of the bottom plate. Above the bottom plate is provided a storage mechanism. The storage mechanism includes a delivery cylinder penetrating and fixedly arranged on one outer wall of the mounting plate, a first feeding cylinder screwed on one outer wall of one end of the delivery cylinder, a mixing cylinder penetrating and fixedly arranged on the outer wall of the bottom of the bottom plate, and a second feeding cylinder screwed on the outer wall of the lower part of the mixing cylinder. A delivery component is arranged in the delivery cylinder. The delivery component includes a mounting shaft penetrating and connected through a bearing to one outer wall of the delivery cylinder, and a number of spiral delivery plates fixedly arranged on the outer wall of the mounting shaft. On one outer wall of the mounting plate above the delivery cylinder, a delivery motor is connected by bolts. A stirring component is arranged in the mixing cylinder. The stirring component includes a stirring motor connected by bolts to the outer wall of the top of the mixing cylinder, a mounting piece, and a number of stirring blades respectively fixedly arranged on the outer wall of the mounting piece.

[0009] Preferably, two trapezoidal - structured reinforcing plates are fixedly arranged on one outer wall of the mounting plate, and the two reinforcing plates are respectively fixedly arranged on the outer wall of the top of the bottom plate.

[0010] Preferably, one end of the delivery cylinder penetrates and is fixedly arranged on one outer wall of the support plate, and two input pipes are fixedly arranged on one inner wall of the delivery cylinder. The two input pipes are respectively connected to a sodium silicate delivery pipe and a cement slurry delivery pipe. An output pipe is fixedly arranged on one inner wall of one end of the first feeding cylinder. A connecting pipe is fixedly arranged on the upper inner wall of one side of the mixing cylinder, and the output pipe is communicated with the connecting pipe.

[0011] Preferably, a connecting ring is connected to one outer wall of one end of the mounting shaft through a bearing, and a number of connecting rods are fixedly arranged on the outer wall of the connecting ring. A fixing ring is fixedly arranged on one inner wall of one end of the first feeding cylinder, and a number of connecting rods are respectively fixedly arranged on the inner wall of the fixing ring.

[0012] Preferably, a pulley is fixedly arranged on one outer wall of the output shaft of the delivery motor, and a driven pulley is fixedly arranged on one outer wall of one end of the mounting shaft. The pulley and the driven pulley are in transmission cooperation through a belt.

[0013] Through the above - mentioned scheme, the output shaft of the delivery motor drives the pulley and the driven pulley to rotate. The driven pulley drives the mounting shaft and a plurality of spiral delivery plates to rotate along the inner wall of the delivery cylinder, thereby delivering the sodium silicate and cement slurry entering the delivery cylinder into the mixing cylinder.

[0014] Preferably, a connecting shaft is connected to the bottom outer wall of the output shaft of the stirring motor through a coupling, and the mounting piece is connected to the bottom outer wall of the connecting shaft by bolts. A number of stirring blades respectively abut against the lower outer wall of the connecting shaft.

[0015] Through the above solution, the rotation of the output shaft of the stirring motor drives the connecting shaft, the mounting member and a plurality of stirring blades to rotate. The stirring blades mix the water glass and the cement slurry entering the mixing cylinder, connect the mixing cylinder to a pressure pump, and then quickly transport the mixed liquid to the grouting position.

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. A conveying assembly and a conveying motor are provided. The output shaft of the conveying motor drives the pulley and the driven pulley to rotate. The driven pulley drives the mounting shaft and a plurality of spiral conveying plates to rotate along the inner wall of the conveying cylinder, thereby conveying the water glass and the cement slurry entering the conveying cylinder into the mixing cylinder, being able to perform primary mixing on the water glass and the cement slurry, and conveying the water glass and the cement slurry, preventing damage to the conveying cylinder caused by excessive internal pressure of the conveying cylinder, and improving the practicability.

[0018] 2. A stirring assembly is provided. The rotation of the output shaft of the stirring motor drives the connecting shaft, the mounting member and a plurality of stirring blades to rotate. The stirring blades mix the water glass and the cement slurry entering the mixing cylinder, connect the mixing cylinder to a pressure pump, and then quickly transport the mixed liquid to the grouting position, being able to quickly mix the mixed liquid and improving the mixing effect.

[0019] In summary, the present utility model can perform primary mixing on the water glass and the cement slurry, convey the water glass and the cement slurry, prevent damage to the conveying cylinder caused by excessive internal pressure of the conveying cylinder, improve the practicability, can quickly mix the mixed liquid, and improve the mixing effect. Description of the Drawings

[0020] Figure 1 It is a front view three-dimensional structure schematic diagram of a two-liquid mixing device for plugging and reinforcing grouting in geotechnical engineering proposed by the present utility model.

[0021] Figure 2 It is a front view sectional structure schematic diagram of a two-liquid mixing device for plugging and reinforcing grouting in geotechnical engineering proposed by the present utility model.

[0022] Figure 3 It is a structure schematic diagram of the installation mechanism of a two-liquid mixing device for plugging and reinforcing grouting in geotechnical engineering proposed by the present utility model.

[0023] Figure 4 It is a structure schematic diagram of the storage mechanism of a two-liquid mixing device for plugging and reinforcing grouting in geotechnical engineering proposed by the present utility model.

[0024] Figure 5 It is a side view structure schematic diagram of the storage mechanism of a two-liquid mixing device for plugging and reinforcing grouting in geotechnical engineering proposed by the present utility model.

[0025] Figure 6 Schematic structural diagram of the conveying component of a two - liquid mixing device for plugging and reinforcement grouting in geotechnical engineering proposed by the present utility model.

[0026] Figure 7 Schematic structural diagram of the stirring component of a two - liquid mixing device for plugging and reinforcement grouting in geotechnical engineering proposed by the present utility model.

[0027] In the figure: 1. Installation mechanism; 101. Bottom plate; 102. Installation plate; 103. Reinforcement plate; 104. Support plate; 2. Storage mechanism; 201. Conveying cylinder; 202. Input pipe; 203. First feeding cylinder; 204. Output pipe; 205. Mixing cylinder; 206. Connecting pipe; 207. Second feeding cylinder; 3. Conveying component; 301. Installation shaft; 302. Conveying plate; 303. Connecting ring; 304. Connecting rod; 305. Fixed ring; 4. Conveying motor; 5. Stirring component; 501. Stirring motor; 502. Connecting shaft; 503. Installation part; 504. Stirring blade. Specific implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0029] Embodiment 1, referring to Figures 1-5 , a two - liquid mixing device for plugging and reinforcement grouting in geotechnical engineering, including an installation mechanism 1. The installation mechanism 1 includes a bottom plate 101, an installation plate 102 fixedly arranged on the outer wall of the top of the bottom plate 101, and a support plate 104 fixedly arranged on the outer wall of the top of the bottom plate 101. On one outer wall of the installation plate 102, two trapezoidal - structured reinforcement plates 103 are fixedly arranged, and the two reinforcement plates 103 are respectively fixedly arranged on the outer wall of the top of the bottom plate 101. Above the bottom plate 101 is provided a storage mechanism 2. The storage mechanism 2 includes a conveying cylinder 201 penetrating and fixedly arranged on one outer wall of the installation plate 102, a first feeding cylinder 203 screwed on one outer wall of one end of the conveying cylinder 201, a mixing cylinder 205 penetrating and fixedly arranged on the outer wall of the bottom of the bottom plate 101, and a second feeding cylinder 207 screwed on the outer wall of the lower part of the mixing cylinder 205. One end of the conveying cylinder 201 penetrates and is fixedly arranged on one outer wall of the support plate 104, and on one inner wall of the conveying cylinder 201, two input pipes 202 are fixedly arranged. The two input pipes 202 are respectively connected with a sodium silicate conveying pipe and a cement slurry conveying pipe. On one inner wall of one end of the first feeding cylinder 203, an output pipe 204 is fixedly arranged. On the upper inner wall of one side of the mixing cylinder 205, a connecting pipe 206 is fixedly arranged, and the output pipe 204 is communicated with the connecting pipe 206. A check valve is installed in a clamping manner at one end of the output pipe 204.

[0030] Embodiment 2, referring toFigure 6 , a double - liquid mixing device for plugging and reinforcement grouting in geotechnical engineering, further includes a conveying assembly 3. The conveying assembly 3 includes a mounting shaft 301 that penetrates and is connected to the outer wall of one side of the conveying cylinder 201 through a bearing, and a number of spiral conveying plates 302 fixed on the outer wall of the mounting shaft 301. One end of the outer wall of the mounting shaft 301 is connected to a connecting ring 303 through a bearing, and a number of connecting rods 304 are fixed on the outer wall of the connecting ring 303. A fixing ring 305 is fixed on the inner wall of one end of the first material - guiding cylinder 203, and a number of connecting rods 304 are respectively fixed on the inner wall of the fixing ring 305. On the outer wall of one side of the mounting plate 102 above the conveying cylinder 201, a conveying motor 4 is connected by bolts. One end of the output shaft of the conveying motor 4 is fixed with a belt pulley, and one end of the outer wall of the mounting shaft 301 is fixed with a driven belt pulley. The belt pulley and the driven belt pulley are in transmission cooperation through a belt.

[0031] Example 3, refer to Figure 7 , a double - liquid mixing device for plugging and reinforcement grouting in geotechnical engineering, further includes a stirring assembly 5. The stirring assembly 5 includes a stirring motor 501, a mounting member 503 connected to the outer wall of the top of the mixing cylinder 205 by bolts, and a number of stirring blades 504 respectively fixed on the outer wall of the mounting member 503. One end of the output shaft of the stirring motor 501 is connected to a connecting shaft 502 through a coupling, and the mounting member 503 is connected to the outer wall of the bottom end of the connecting shaft 502 by bolts. A number of stirring blades 504 respectively abut against the lower outer wall of the connecting shaft 502.

[0032] Working principle: The output shaft of the conveying motor 4 drives the belt pulley and the driven belt pulley to rotate. The driven belt pulley drives the mounting shaft 301 and a number of spiral conveying plates 302 to rotate along the inner wall of the conveying cylinder 201, thereby conveying the sodium silicate and cement slurry entering the conveying cylinder 201 into the mixing cylinder 205. The output shaft of the stirring motor 501 rotates to drive the connecting shaft 502, the mounting member 503 and a number of stirring blades 504 to rotate. The stirring blades 504 mix the sodium silicate and cement slurry entering the mixing cylinder 205. Connect the mixing cylinder 205 to a pressure pump, and then quickly convey the mixed liquid to the grouting position.

[0033] The above - mentioned is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A double-fluid mixing device for plugging and reinforcing grouting in geotechnical engineering, comprising an installation mechanism (1), characterized in that, The installation mechanism (1) includes a bottom plate (101), a mounting plate (102) fixedly arranged on the outer wall of the top of the bottom plate (101), and a support plate (104) fixedly arranged on the outer wall of the top of the bottom plate (101); Above the bottom plate (101) is provided a storage mechanism (2), the storage mechanism (2) includes a conveying cylinder (201) penetrating and fixedly arranged on one outer wall of the mounting plate (102), a first feeding cylinder (203) screwed on the outer wall of one end of the conveying cylinder (201), a mixing cylinder (205) penetrating and fixedly arranged on the outer wall of the bottom of the bottom plate (101), and a second feeding cylinder (207) screwed on the outer wall of the lower part of the mixing cylinder (205); Inside the conveying cylinder (201) is provided a conveying component (3), the conveying component (3) includes a mounting shaft (301) penetrating and connected by a bearing to one outer wall of the conveying cylinder (201), and a number of spiral conveying plates (302) fixedly arranged on the outer wall of the mounting shaft (301); On one outer wall of the mounting plate (102) above the conveying cylinder (201), a conveying motor (4) is connected by bolts; Inside the mixing cylinder (205) is provided a stirring component (5), the stirring component (5) includes a stirring motor (501) connected by bolts to the outer wall of the top of the mixing cylinder (205), a mounting member (503), and a number of stirring blades (504) respectively fixedly arranged on the outer wall of the mounting member (503).

2. The double-fluid mixing device for plugging and reinforcement grouting in geotechnical engineering according to claim 1, characterized in that, On one outer wall of the mounting plate (102), two trapezoidal reinforcing plates (103) are fixedly arranged, and the two reinforcing plates (103) are respectively fixedly arranged on the outer wall of the top of the bottom plate (101).

3. The double-fluid mixing device for plugging and reinforcement grouting in geotechnical engineering according to claim 1, wherein One end of the conveying cylinder (201) penetrates and is fixedly arranged on one outer wall of the support plate (104), and on one inner wall of the conveying cylinder (201), two input pipes (202) are fixedly arranged, the two input pipes (202) are respectively connected to a sodium silicate conveying pipe and a cement slurry conveying pipe, on one inner wall of one end of the first feeding cylinder (203), an output pipe (204) is fixedly arranged, on the upper inner wall of one side of the mixing cylinder (205), a connecting pipe (206) is fixedly arranged, and the output pipe (204) is communicated with the connecting pipe (206).

4. A two-fluid mixing device for plugging and reinforcement grouting in geotechnical engineering according to claim 1, characterized in that, On one outer wall of one end of the mounting shaft (301), a connecting ring (303) is connected by a bearing, and on the outer wall of the connecting ring (303), a number of connecting rods (304) are fixedly arranged, on one inner wall of one end of the first feeding cylinder (203), a fixing ring (305) is fixedly arranged, and the number of connecting rods (304) are respectively fixedly arranged on the inner wall of the fixing ring (305).

5. A two-fluid mixing device for plugging and reinforcement grouting in geotechnical engineering according to claim 1, characterized in that, On one outer wall of one end of the output shaft of the conveying motor (4), a pulley is fixedly arranged, and on one outer wall of one end of the mounting shaft (301), a driven pulley is fixedly arranged, and the pulley is in transmission cooperation with the driven pulley through a belt.

6. The double-fluid mixing device for plugging and reinforcement grouting in geotechnical engineering according to claim 1, characterized in that, On the bottom outer wall of the output shaft of the stirring motor (501), a connecting shaft (502) is connected by a coupling, and the mounting member (503) is connected by bolts to the bottom outer wall of the connecting shaft (502), and a number of stirring blades (504) respectively abut against the lower outer wall of the connecting shaft (502).

Citation Information

Patent Citations

  • Slurry mixing device of double-liquid grouting machine

    CN214996069U