Proportioning and stirring device for deep mine laneway grouting material

Abstract

The utility model provides a proportioning and stirring device for a grouting material of a deep mine roadway, which comprises a tank body, a raw material feeding port arranged at the top of the tank body, a grouting discharge port arranged at the bottom of the tank body, a stirring mechanism arranged inside the tank body, a feeding cylinder arranged above the raw material feeding port, and a stirring mechanism arranged above the feeding cylinder, the side wall of the feeding cylinder is connected with the side wall of the tank body through an elastic piece, a sieve plate is arranged in the feeding cylinder, the lower end of the feeding cylinder extends into the raw material feeding opening, a vibration motor is installed on the feeding cylinder, and an opening in the upper end of the feeding cylinder is connected with a feeding groove which is obliquely arranged; the end, close to the raw material feeding opening, of the feeding groove is lower than the end, away from the raw material feeding opening, of the feeding groove. In the using process, materials are added into the feeding groove, screened through the screen plate and then stirred in the tank body, a grouting material is obtained, meanwhile, a vibration motor is arranged, and the discharging efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a coal mining auxiliary device, in particular to a proportioning and stirring device for grouting materials in a deep mine tunnel. Background Art

[0002] Coal is one of the important energy sources of modern industry. In the process of coal mining, as the service life of the mine continues to increase and the depth continues to extend, the tunnel needs to be grouting and reinforced in time to ensure the safety of the mining process. Before grouting the tunnel, it is necessary to stir and mix the materials first, and then grouting and spraying. There are many equipment for tunnel grouting, such as: a grouting and spraying device for coal mine tunnels disclosed in Chinese patent CN110344851A, a Y-type tunnel support method and auxiliary equipment for high impact ground pressure tunnels disclosed in Chinese patent CN113550768A, and an anti-clogging grouting device for tunnel grouting disclosed in Chinese patent CN212614766U. However, these equipment do not screen the raw materials before feeding the grouting mixing tank. During the grouting process, large impurity particles in the slurry are easy to block the grouting pipe.

[0003] In order to solve the above problems, people have been seeking an ideal technical solution. Utility Model Content

[0004] The utility model aims to provide a mixing and proportioning device for grouting materials in deep mine tunnels in view of the deficiencies of the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A proportioning and stirring device for grouting materials in a deep mine tunnel comprises a tank body, a raw material feeding port is arranged on the top of the tank body, a grouting discharge port is arranged on the bottom of the tank body, a stirring mechanism is arranged inside the tank body, a feeding barrel is arranged above the raw material feeding port, the side wall of the feeding barrel and the side wall of the tank body are connected by an elastic member, a sieve plate is arranged inside the feeding barrel and the lower end of the feeding barrel extends into the raw material feeding port, a vibration motor is installed on the feeding barrel, the upper end of the feeding barrel is open and connected to a feeding trough, the feeding trough is arranged obliquely, and the height of one end of the feeding trough close to the raw material feeding port is lower than the height of the other end of the feeding trough away from the raw material feeding port.

[0007] A support plate is provided on the top surface of the tank body, the area of ​​which is smaller than the cross section of the top of the tank body and larger than 1 / 2 of the cross section of the top of the tank body, and the gap between the support plate and the side wall of the tank body forms a raw material feeding port.

[0008] A motor support seat is arranged on the support plate, and the stirring motor is installed on the motor support seat. The stirring mechanism includes a stirring shaft and a stirring blade arranged on the stirring shaft. The upper end of the stirring shaft is rotatably connected to the support plate, and the output end of the stirring motor is transmission-connected to the stirring shaft.

[0009] A vertical partition is arranged on the support plate and / or the feeding trough, and the height of the vertical partition is greater than the height of the feeding trough.

[0010] The stirring shaft is provided with a plurality of supporting connecting rods in sequence from bottom to top. The stirring blades include a plurality of spiral blades. The spiral radius of the spiral blades increases gradually from inside to outside. The supporting connecting rods are connected to each spiral blade respectively.

[0011] Two adjacent groups of supporting connecting rods are perpendicular to each other.

[0012] The outermost spiral blade is tangent to the inner wall of the tank.

[0013] A lower supporting platform is arranged on the side wall of the tank body, an upper supporting platform is arranged on the side wall of the feeding cylinder, and the upper supporting platform and the lower supporting platform are connected by a spring.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a mixing device for grouting materials in deep mine tunnels. During use, materials are added to the feeding trough, and the grouting materials are obtained by mixing the tank body after screening through the sieve plate. At the same time, a vibration motor is provided to improve the feeding efficiency. Through the screening process, large impurity particles are prevented from entering the grouting material and causing the grouting pipe to be blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the stirring mechanism in the utility model.

[0017] In the figure: 1. Tank body; 2. Grouting outlet; 3. Feeding barrel; 4. Feeding trough; 5. Support plate; 6. Stirring motor; 7. Vertical partition; 8. Stirring shaft; 9. Support connecting rod; 10. Spiral blade. DETAILED DESCRIPTION

[0018] The technical solution of the utility model is further described in detail below through specific implementation methods.

[0019] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. "Installed", "provided with", "connected", etc. can adopt conventional means in the prior art, such as: integral setting, snap-on installation, welding connection, adhesive connection, bolt connection, etc. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances, and suitable connection, setting or installation methods can be selected in the prior art.

[0020] like Figure 1-2 As shown, a proportioning and stirring device for grouting materials in a deep mine tunnel comprises a tank body 1, a raw material feeding port is arranged on the top of the tank body 1, a grouting discharge port 2 is arranged on the bottom of the tank body 1, a stirring mechanism is arranged inside the tank body 1, a feeding barrel 3 is arranged above the raw material feeding port, the side wall of the feeding barrel 3 and the side wall of the tank body 1 are connected by an elastic member, a sieve plate is arranged inside the feeding barrel 3 and the lower end of the feeding barrel 3 extends into the raw material feeding port, a vibration motor is installed on the feeding barrel 3, and the upper end of the feeding barrel 3 is openly connected to a feeding trough 4, the feeding trough 4 is inclined, and the height of the end of the feeding trough 4 close to the raw material feeding port is lower than the height of the end of the feeding trough 4 away from the raw material feeding port. Specifically, the vibration motor can be a commercially available conventional vibration motor, the elastic member can be a spring, and the outer contour of the feeding barrel is smaller than the inner contour of the raw material feeding port. Preferably, the top surface of the feeding trough and the side away from the tank body are open, and the bottom surface of the feeding trough and the top opening of the feeding barrel are smoothly transitioned, so that the feeding trough is connected with the feeding barrel.

[0021] During use, materials are added to the feeding trough, and the tank body is stirred after screening through the sieve plate to obtain grouting materials. At the same time, a vibration motor is set to improve the feeding efficiency. Through the screening process, large impurity particles are prevented from entering the grouting material and causing blockage of the grouting pipe. At the same time, large impurity particles that cannot pass through the top of the sieve plate can escape from the feeding trough. In order to avoid blockage of the sieve plate, the sieve plate needs to be cleaned periodically. In order to reduce the difficulty of cleaning, the sieve plate can be installed at the top of the feeding barrel to cover its open position.

[0022] In one embodiment, a support plate 5 is provided on the top surface of the tank body 1, the area of ​​the support plate 5 is smaller than the cross-section of the top of the tank body 1 and larger than 1 / 2 of the cross-section of the top of the tank body 1, and the gap between the support plate 5 and the side wall of the tank body 1 forms a raw material feeding port.

[0023] In one embodiment, a motor support seat is provided on the support plate 5, and a stirring motor 6 is installed on the motor support seat. The stirring mechanism includes a stirring shaft 8 and a stirring blade provided on the stirring shaft 8. The upper end of the stirring shaft 8 is rotatably connected to the support plate 5, and the output end of the stirring motor 6 is transmission-connected to the stirring shaft 8. Specifically, the stirring shaft is coaxial with the tank body, and the stirring motor and the stirring shaft are connected by a transmission structure such as a transmission belt and a pulley.

[0024] In one of the embodiments, a vertical partition 7 is provided on the support plate 5 and / or the feeding trough 4. The height of the vertical partition 7 is greater than the height of the feeding trough 4 to shield the stirring motor to prevent the raw materials from splashing on the stirring motor and affecting the operation of the stirring motor. Preferably, a shielding cover can be used to cover the stirring motor.

[0025] In one of the embodiments, a stirring shaft 8 is provided with several groups of supporting rods 9 in sequence from bottom to top, and the stirring blades include several spiral blades 10. The spiral radius of the spiral blades 10 gradually increases from the inside to the outside. The supporting rods 9 are respectively connected to each spiral blade 10, and each spiral blade is staggered to facilitate sufficient stirring.

[0026] In one embodiment, two adjacent groups of supporting links 9 are perpendicular to each other to form a cross-shaped supporting structure.

[0027] In one embodiment, the outermost spiral blade 10 is tangent to the inner wall of the tank body 1 .

[0028] In one of the embodiments, a lower support platform is provided on the side wall of the tank body 1, and an upper support platform is provided on the side wall of the feeding barrel 3. The upper support platform and the lower support platform are connected by a spring to facilitate the installation of the feeding barrel.

[0029] The above embodiments can be combined with each other.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A mixing device for grouting materials in deep mine tunnels, comprising a tank body, a raw material feeding port is arranged on the top of the tank body, a grouting discharge port is arranged on the bottom of the tank body, and a mixing mechanism is arranged inside the tank body, characterized in that: A feeding barrel is arranged above the raw material feeding port, and the side wall of the feeding barrel and the side wall of the tank body are connected by an elastic part. A sieve plate is arranged inside the feeding barrel and the lower end of the feeding barrel extends into the interior of the raw material feeding port. A vibration motor is installed on the feeding barrel, and the upper open end of the feeding barrel is connected to a feeding trough, which is arranged at an angle, and the height of one end of the feeding trough close to the raw material feeding port is lower than the height of the other end of the feeding trough away from the raw material feeding port.

2. The mixing device for grouting materials in deep mine tunnels according to claim 1, characterized in that: A support plate is provided on the top surface of the tank body, the area of ​​which is smaller than the cross section of the top of the tank body and larger than 1 / 2 of the cross section of the top of the tank body, and the gap between the support plate and the side wall of the tank body forms a raw material feeding port.

3. The mixing device for grouting materials in deep mine tunnels according to claim 2, characterized in that: A motor support seat is arranged on the support plate, and the stirring motor is installed on the motor support seat. The stirring mechanism includes a stirring shaft and a stirring blade arranged on the stirring shaft. The upper end of the stirring shaft is rotatably connected to the support plate, and the output end of the stirring motor is transmission-connected to the stirring shaft.

4. The mixing device for grouting materials in deep mine tunnels according to claim 3 is characterized in that: A vertical partition is arranged on the support plate and / or the feeding trough, and the height of the vertical partition is greater than the height of the feeding trough.

5. The mixing and stirring device for grouting materials in deep mine tunnels according to claim 4, characterized in that: The stirring shaft is provided with a plurality of supporting connecting rods in sequence from bottom to top. The stirring blades include a plurality of spiral blades. The spiral radius of the spiral blades increases gradually from inside to outside. The supporting connecting rods are connected to each spiral blade respectively.

6. The mixing and stirring device for grouting materials in deep mine tunnels according to claim 5, characterized in that: Two adjacent groups of supporting connecting rods are perpendicular to each other.

7. The mixing and stirring device for grouting materials in deep mine tunnels according to claim 6, characterized in that: The outermost spiral blade is tangent to the inner wall of the tank.

8. The mixing and stirring device for grouting materials in deep mine tunnels according to claim 7, characterized in that: A lower supporting platform is arranged on the side wall of the tank body, an upper supporting platform is arranged on the side wall of the feeding cylinder, and the upper supporting platform and the lower supporting platform are connected by a spring.

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