CN209920175U

CN209920175U - Double-liquid grouting equipment

Info

Publication number: CN209920175U
Application number: CN201920073625.9U
Authority: CN
Inventors: 黄永瑞
Original assignee: CHENGDU GROUTSPRAY CONSTRUCTION MACHINE Co Ltd
Current assignee: CHENGDU GROUTSPRAY CONSTRUCTION MACHINE Co Ltd
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2020-01-10
Anticipated expiration: 2029-01-16

Abstract

The utility model provides a biliquid slip casting equipment, including the frame, two sets of gear motor, hopper and screw pump installed on the frame, the outlet of each group of hopper connects the sunction inlet of this group of screw pump, is equipped with the defeated material spiral in each group of hopper, the defeated material spiral is made up of defeated material screw axis and the screw thread on the defeated material screw axis; one end of the material conveying spiral is connected with the group of speed reducing motors, and the other end of the material conveying spiral is connected with a screw shaft of the group of screw pumps; the extruding ends of the two groups of screw pumps are respectively connected to the two feeding holes of the mixer, and slurry is output after being mixed by the mixer; the mixer comprises a shell, a first feeding hole, a second feeding hole, a discharging hole, a mixing wheel and a separating ring, wherein the mixing wheel is arranged in the shell and consists of a mixing shaft and mixing blades, the separating ring is arranged at one end, close to the discharging hole, of the mixing shaft, a plurality of jet holes are formed in the separating ring, and outlets of the first feeding hole and the second feeding hole are directed to the mixing wheel in a non-concentric mode towards the mixing shaft in the same direction. The utility model discloses defeated material is continuous stable, simple structure, and the application is extensive.

Description

Double-liquid grouting equipment

Technical Field

The utility model relates to a pumping installations suitable for elastic fluid, in particular to biliquid slip casting equipment.

Background

In the conveying and pouring construction of cement mortar, concrete and the like in the building construction industry, the screw pump is widely applied, and the conveying problem of difficult media such as high temperature, high pressure, high consistency, larger particles or longer fibers and the like is solved. The working principle of the single-screw pump is a displacement pump with internal meshing and eccentric rotation, and the main components of the pump are as follows: a single-start helical rotor and a twin-helical stator, usually made of elastomeric material, the closed cavity formed between the rotor and stator being displaced along the rotor helix as the rotor makes planetary turns around the axis of the stator in the stator cavity; the medium is thus continuously fed from the suction port to the discharge port at a uniform speed and with a constant volume. At present, screw pumps are only suitable for conveying and filling single-component media, but with the requirement of construction engineering, two or more media need to be fully mixed in a certain proportion and then filled so as to realize the effect of quickly plugging or repairing defects, and thus screw double-liquid pumps appear. The screw type double-liquid pump adopts two independent groups of screw pumps to respectively convey two different media, the two different media are fully mixed by the mixer and quickly injected into a pouring point, and the two media are initially solidified in a short time so as to realize the effect of quickly plugging or repairing.

Chinese patent CN 206801873U discloses a double-liquid grouting machine, which comprises a first pumping system, a second pumping system and a mixing system, wherein the first and second pumping systems both comprise a single-screw pump, an adjusting motor for providing power for the single-screw pump and a raw material storage tank, and a feed inlet of the single-screw pump is connected with the raw material storage tank. The mixer comprises a stirring tank, a stirring rotating shaft and a stirring blade, wherein the stirring rotating shaft and the stirring blade are arranged in the stirring tank, and the stirring rotating shaft is driven by a driving motor. The raw material of the raw material storage tank with the structure only enters the single-screw pump by virtue of gravity, and is not easy to convey into the screw pump under the condition that the water ash content of the material is small.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a defeated material continuous and stable biliquid slip casting equipment is provided.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a biliquid slip casting equipment, including the frame, two sets of gear motor, hopper and screw pump installed on the frame, the outlet of each group of hopper connects the sunction inlet of this group of screw pump, is equipped with the defeated material spiral in each group of hopper, the defeated material spiral is made up of defeated material screw axis and the screw thread on the defeated material screw axis; one end of the material conveying spiral is connected with the group of speed reducing motors, and the other end of the material conveying spiral is connected with a screw shaft of the group of screw pumps; the extruding ends of the two groups of screw pumps are respectively connected to the two feeding holes of the mixer, and slurry is output after being mixed by the mixer. The material conveying screw helps the material conveying to be continuous and has a secondary stirring effect; the mixer comprises a shell, a first feeding hole, a second feeding hole, a discharging hole, a stirring wheel and a separating ring, wherein the first feeding hole, the second feeding hole and the discharging hole are arranged on the shell; the stirring wheel is rotatably arranged in the shell and consists of a stirring shaft and stirring blades, a separation ring is arranged at one end, close to the discharge port, of the stirring shaft, a plurality of jet holes are formed in the separation ring, the outlet of the first feed port and the outlet of the second feed port are not aligned to the stirring wheel in the central axis direction of the stirring shaft, and the direction of the. The utility model discloses a discharge gate setting is in the casing upper end, so set up the spacer ring in the upper end of (mixing) shaft.

Preferably, the center of the bottom of the shell and the center of the separating ring are both provided with holes for accommodating and limiting the stirring shaft, the shell comprises an upper cover, the discharge port is arranged on the upper cover, one surface of the upper cover facing the shell is provided with a convex edge, and the convex edge is abutted against the separating ring.

Preferably, at least one set of screw pump outlets is provided with a flow regulating device.

Preferably, the flow regulating device is a bypass pipe.

Preferably, the flow regulating device is a valve.

Preferably, the extrusion end of the screw pump and the first feed inlet, the second feed inlet and the discharge outlet of the mixer are respectively provided with a quick coupling.

Preferably, the electric control box is further included and is connected with the speed reducing motor and the screw pump.

Preferably, the center of the bottom of the shell is provided with a blind hole for accommodating the limiting stirring shaft, and the center of the separating ring is provided with a through hole for accommodating the limiting stirring shaft.

Preferably, the two groups of speed reducing motors, the material conveying screw and the screw pump are arranged on two inclined straight lines side by side.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses adopt defeated material spiral to make defeated material stable in succession and have the effect of secondary stirring in the hopper. The mixer adopts the kinetic energy of the medium as power, can achieve good mixing effect without adding a rotary power source, has novel structure, simple operation and maintenance, can be installed in any direction, is wide in applicable medium, and can be widely applied to reinforcement and reinforcement of grouting and water plugging of a cavern excavation face, rock stratum and concrete, tunnel cracks, broken rock mass, evacuated rock and the like. The utility model also has the advantages of simple structure, convenient maintenance, small vibration, low noise and wide application.

Drawings

Fig. 1 is a front view of the dual-fluid grouting apparatus of the present invention.

Fig. 2 is a left side view of the dual fluid grouting apparatus of fig. 1 plus a schematic of the mixer.

Fig. 3 is a cross-sectional view of the mixer.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is a structural view of the agitating wheel.

Fig. 6 is a structural view of the spacer ring.

Description of reference numerals: 1-vehicle frame, 2-speed reducing motor, 3-hopper, 4-screw pump, 5-conveying screw, 6-mixer, 7-first feeding hole, 8-second feeding hole, 9-discharging hole, 10-electric cabinet, 11-shell, 12-stirring wheel, 13-separating ring, 14-stirring shaft, 15-stirring blade, 16-jet hole, 17-upper cover, 18-convex edge, 19-quick connector, 20-blind hole and 21-through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses a biliquid slip casting equipment includes frame 1, two sets of gear motor 2, hopper 3 and the screw pump 4 of installing 1 on the frame that inclines side by side. The outlet of each group of hoppers 3 is connected with the suction inlet of the group of screw pumps 4, a material conveying screw 5 is arranged in each group of hoppers 3, one end of the material conveying screw 5 is connected with the group of speed reducing motors 2, and the other end of the material conveying screw is connected with the screw shaft of the group of screw pumps 4. The material conveying screw 5 is composed of a material conveying screw shaft and threads on the material conveying screw shaft, and the threads play a role in continuously conveying materials in the group of hoppers 3 into the group of screw pumps 4. The extrusion end of one group of screw pumps 4 is connected to a first feeding hole 7 of the mixer 6, the extrusion end of the other group of screw pumps 4 is connected to a second feeding hole 8 of the mixer 6, and the slurry is mixed by the mixer 6 and then output. The utility model discloses the first feed inlet 7, second feed inlet 8, discharge gate 9 of the pressure output end of screw pump 4 and blender 6 all are equipped with quick-operation joint 19 so that dismantle fast and connect. In addition, an electric cabinet 10 can be additionally arranged, and the electric cabinet 10 is connected with a speed reducing motor 2 and a screw pump 4 to control a circuit of the double-liquid grouting equipment.

The mixer 6 comprises a housing 11, a mixing wheel 12 and a separating ring 13. The stirring wheel 12 is rotationally arranged in the shell 11, the stirring wheel 12 is composed of a stirring shaft 14 and stirring blades 15, and the stirring wheel 12 is provided with six stirring blades 15 which are uniformly distributed along the circumference of the stirring shaft 14. A separating ring 13 is arranged at the upper end of the stirring shaft 14, a plurality of jet holes 16 are arranged on the separating ring 13, and the jet holes 16 are distributed on a plurality of equidistantly distributed circumferences at equal intervals. The center of the bottom of the shell 11 is provided with a blind hole 20, the center of the separating ring 13 is provided with a through hole 21, and the stirring shaft 14 of the stirring wheel 12 is accommodated and limited in the blind hole 20 and the through hole 21. The shell 11 comprises an upper cover 17, the upper cover 17 is provided with a discharge hole 9, one surface of the upper cover 17 facing the inside of the shell 11 is provided with a convex edge 18, and the convex edge abuts against the separating ring 13 so as to abut against the separating ring 13 to fix the stirring wheel 12.

The bottom of the shell 11 is provided with a first feed inlet 7 and a second feed inlet 8, and the side wall of the shell 11 is provided with an outlet of the first feed inlet 7 and an outlet of the second feed inlet 8. The first feed inlet 7 is communicated with the outlet of the first feed inlet 7, and a channel between the first feed inlet 7 and the first feed inlet 7 is a first feeding channel; the second feed inlet 8 is communicated with the outlet of the second feed inlet 8, and the channel between the second feed inlet 8 and the outlet of the second feed inlet 8 is a second feed channel. The first feeding channel and the second feeding channel firstly penetrate through the bottom of the shell along the axis of the shell into the side wall of the shell, and then penetrate through the side wall of the shell into the shell along the direction vertical to the axis of the shell. The outlet of the first feed opening 7 and the outlet of the second feed opening 8 are directed to the stirring wheel 12 not directly opposite to the central axis of the stirring shaft 14, and are directed in the same clockwise or counterclockwise direction relative to the central axis of the stirring shaft 14 so as to form the same moment in the direction of rotating the stirring shaft 14.

The working principle of the mixer is that the medium output by a grouting pump is utilized, the medium has stronger power, the component A entering from the first feeding hole 7 and the component B entering from the second feeding hole 8 are respectively flushed out from the outlet of the first feeding hole 7 and the outlet of the second feeding hole 8 and respectively act on the stirring blades 15 of the stirring wheel 12, the stirring wheel 12 automatically rotates, so that two media obtain turbulence in the shell and are stirred to achieve the mixing effect, the two media are forced to generate jet flow and turbulence through the partition ring 13 again, thereby achieving the sufficient mixing of the two media and achieving the good grouting effect.

When the screw pump grouting machine is used, two screw pump 4 grouting buttons on the electric cabinet 10 are started simultaneously, the speed reducing motor 2 rotates according to the grouting direction, the conveying screw 5 stirs slurry in the hopper 3 and drives a rotor (namely a screw shaft) of the screw pump 4 to rotate, and a sealed cavity formed between the rotor and the stator generates displacement along the spiral line of the rotor; thus, the slurry or medium in the hopper 3 is continuously and uniformly conveyed from the suction port to the extrusion port with constant volume; the two slurries or media (two sets of screw pumps are started simultaneously) are fully mixed in the mixer 6 according to the ratio of 1:1, and then are injected into a filling point, so that the media of the two components are rapidly solidified.

A flow regulating device can be additionally arranged at the extrusion end of at least one group of screw pumps 4 to regulate the output displacement of the screw pumps, so that the matching proportion of the two components of the medium is 1: 0-1, and the grouting range of the double-liquid grouting is enlarged. The flow regulating device can be a valve or a bypass pipeline. The matching proportion of the two media is adjusted by adjusting the size of the valve or the bypass pipeline.

Under the condition of not needing to fill two components, the two groups of screw pumps 4 can be independently controlled and used.

Claims

1. The utility model provides a biliquid slip casting equipment, includes frame (1), two sets of gear motor (2), hopper (3) and screw pump (4) of installing on frame (1), the exit linkage this group of screw pump (4) of every group hopper (3) sunction inlet, its characterized in that: a material conveying screw (5) is arranged in each group of hoppers (3), and each material conveying screw (5) consists of a material conveying screw shaft and a thread on the material conveying screw shaft; one end of the material conveying screw (5) is connected with the group of speed reducing motors (2), and the other end of the material conveying screw is connected with a screw shaft of the group of screw pumps (4); the extrusion ends of the two groups of screw pumps (4) are respectively connected to two feed inlets of the mixer (6), and slurry is output after being mixed by the mixer (6); the mixer (6) comprises a shell (11), a first feeding hole (7), a second feeding hole (8), a discharging hole (9), a stirring wheel (12) and a separating ring (13) which are arranged on the shell (11), wherein the extruding end of one group of screw pumps (4) is connected with the first feeding hole (7), and the extruding end of the other group of screw pumps (4) is connected with the second feeding hole (8); stirring wheel (12) rotate to set up in casing (11), stirring wheel (12) comprise (mixing) shaft (14) and stirring vane (15), and the one end that discharge gate (9) are close to in (mixing) shaft (14) is provided with spacer ring (13), be provided with a plurality of jet holes (16) on spacer ring (13), the export of first feed inlet (7) is just directional stirring wheel (12) to (mixing) shaft (14) the central axis ground with the export of second feed inlet (8) non-, and its directional clockwise or anticlockwise for (mixing) shaft (14) the central axis is the same.

2. The dual fluid grouting apparatus of claim 1, wherein: the mixing device is characterized in that holes for containing and limiting the mixing shaft (14) are formed in the center of the bottom of the shell (11) and the center of the separating ring (13), the shell (11) comprises an upper cover (17), the discharge hole (9) is formed in the upper cover (17), a convex edge (18) is arranged on one surface, facing the shell (11), of the upper cover (17), and the convex edge (18) abuts against the separating ring (13).

3. The dual fluid grouting apparatus of claim 2, wherein: the extrusion end of at least one group of screw pumps (4) is provided with a flow regulating device.

4. The dual fluid grouting device of claim 3, wherein: the flow regulating device is a bypass pipeline.

5. The dual fluid grouting device of claim 3, wherein: the flow regulating device is a valve.

6. The dual fluid grouting device of claim 4 or 5, characterized in that: and the extrusion end of the screw pump (4) and the first feeding hole (7), the second feeding hole (8) and the discharging hole (9) of the mixer (6) are respectively provided with a quick joint (19).

7. The dual fluid grouting apparatus of claim 6, wherein: the electric control box (10) is further included, and the electric control box (10) is connected with the speed reducing motor (2) and the screw pump (4).

8. The dual fluid grouting apparatus of claim 7, wherein: the center of the bottom of the shell (11) is provided with a blind hole (20) for accommodating a limiting stirring shaft (14), and the center of the separating ring (13) is provided with a through hole (21) for accommodating the limiting stirring shaft.

9. The dual fluid grouting apparatus of claim 8, wherein: the two groups of speed reducing motors (2), the material conveying screw (5) and the screw pump (4) are arranged on two inclined straight lines side by side.