Proportioning and stirring device for deep mine laneway grouting materials
By designing a proportional mixing device for grouting materials in deep mine tunnels with electric telescopic rods and stirring components, the problem of uneven mixing of grouting materials in the prior art is solved, and efficient and uniform mixing of grouting materials is achieved.
Patent Information
- Application Number
- CN202420904828.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-28
AI Technical Summary
When grouting in deep grouting at full section of surrounding rock in deep mine tunnels, the mixing device in the prior art cannot effectively stir the grouting material located at the bottom of the stirring tank, resulting in uneven mixing and some materials precipitation.
A mixing stirring device for grouting materials in deep mine tunnels is designed, using a horizontal chassis, a vertically distributed frame and agitating tank, an electric telescopic rod and agitating components. The electric telescopic rod drives the stirring tank to swing back and forth to ensure that The grouting materials are mixed evenly during the stirring process.
Through the swinging action of the stirring tank, the grouting material located at the bottom of the tank can flow, improve the uniformity of the grouting material during stirring and mixing, avoid precipitation, and ensure efficient mixing of the grouting material.
Smart Images
Figure CN222450853U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building construction equipment, in particular to a proportioning and stirring device for grouting materials in a deep mine tunnel. Background Art
[0002] At present, when performing full-section deep grouting of surrounding rock of mine tunnels, it is necessary to use a grouting slurry prepared with ordinary silicate cement, and the water-cement ratio of the grouting slurry is 1:2. In the prior art, when preparing the above-mentioned grouting slurry, various grouting materials are usually weighed according to the ratio, and then the prepared various grouting materials are poured into a mixing tank together, and finally the various grouting materials in the mixing tank are stirred and mixed by a stirring device. In order to avoid affecting the rotation of the stirring device in the mixing tank, there is usually a certain distance between the bottom of the stirring device and the bottom of the mixing tank. In this way, when in use, since the stirring device cannot stir the grouting material located at the bottom of the mixing tank, part of the grouting material will be precipitated to the bottom of the mixing tank, which will eventually cause uneven mixing of the grouting materials. Therefore, there are still shortcomings and deficiencies in the prior art. Utility Model Content
[0003] The purpose of the utility model is to provide a mixing device for proportioning grouting materials in deep mine tunnels to solve the problems raised in the above-mentioned background technology.
[0004] In order to solve the above problems, the technical solution adopted by the utility model is:
[0005] A proportioning and mixing device for grouting materials in deep mine tunnels comprises a horizontally arranged chassis, a vertically distributed frame and a mixing tank are respectively installed on the top surface of the chassis, the mixing tank is a tank structure with a cavity, a feed hopper is fixedly connected to the top surface of the mixing tank, the bottom surface of the mixing tank is hinged to the chassis, and an electric telescopic rod is hinged between the side of the mixing tank close to the frame and the frame, the other side of the mixing tank is fixedly connected to a horizontally distributed discharge pipe with a switch valve, and a mixing assembly coaxially arranged with the mixing tank is also installed in the mixing tank; the bottom end of the frame is fixedly connected to the chassis, and a weighing assembly is installed on the frame, and a hopper with an opening on the top surface and capable of adding materials to the feed hopper is installed on the weighing assembly.
[0006] Furthermore, the weighing assembly includes a horizontally arranged support platform, which is located on one side of the frame close to the mixing tank and fixedly connected to the top of the frame, and a vertically distributed electronic crane scale is installed on the support platform, an inverted U-shaped frame located below the support platform is hung on the electronic crane scale, a stepper motor is installed on the inverted U-shaped frame, and the hopper is rotatably connected in the inverted U-shaped frame, the hopper is located obliquely above the feed hopper, and the stepper motor is transmission-connected to the hopper.
[0007] Furthermore, horizontally distributed rotating shafts are provided between both sides of the hopper and the inverted U-shaped frame, one end of the rotating shaft is fixedly connected to the hopper, the other end of the rotating shaft is rotatably connected to the inverted U-shaped frame, and one of the rotating shafts is transmission-connected to the stepping motor.
[0008] Furthermore, universal wheels with self-locking function are installed at the four corners of the bottom surface of the chassis.
[0009] Furthermore, a limit assembly is arranged between the side of the mixing tank away from the frame and the chassis, and the limit assembly includes a vertically distributed adjusting screw, the adjusting screw passes through the chassis and is threadedly connected to the chassis, and the bottom end of the adjusting screw is fixedly connected with a turning handle, and the top end of the adjusting screw is installed with a limit block made of rubber material and located below the mixing tank.
[0010] Furthermore, the mixing tank includes a vertically distributed tank body, the bottom surface of the tank body is hinged to the chassis, the top surface of the tank body is opened, and a tank cover is provided at the opening position of the top surface of the tank body, the tank cover and the tank body are connected by connecting bolts, the feed hopper and the mixing assembly are both installed on the tank cover, the discharge pipe is connected to the bottom of the tank body, and the electric telescopic rod is hinged to the tank body at one end close to the mixing tank.
[0011] Furthermore, the stirring assembly includes a stirring motor vertically installed on the tank cover, and the output shaft of the stirring motor passes through the tank cover and is transmission-connected to a stirring shaft coaxially arranged with the stirring tank and located inside the tank body, and a plurality of horizontally distributed stirring blades are installed on both sides of the stirring shaft from top to bottom.
[0012] By adopting the above technical solution, the beneficial effects of the utility model are:
[0013] When the utility model is in use, the grouting material can be first poured into the material hopper and weighed and prepared by the weighing component, and then the grouting material in the material hopper is poured into the stirring tank through the feeding hopper. After all kinds of grouting materials are poured into the stirring tank, the various grouting materials in the stirring tank can be stirred and mixed by the stirring component, and in the process of stirring and mixing by the stirring component, the stirring tank can be driven to swing back and forth by repeatedly extending and retracting the electric telescopic rod, so that the grouting material located at the bottom of the stirring tank can flow, thereby improving the uniformity of the grouting material when stirring and mixing. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a structural schematic diagram of some devices of the utility model;
[0016] Figure 3This is one of the structural schematic diagrams of the utility model in use;
[0017] Figure 4 This is the second structural schematic diagram of the utility model in use.
[0018] Figure numerals: 1. feed hopper; 2. limit assembly; 21. adjusting screw; 22. turning handle; 23. limit block; 3. mixing tank; 31. tank body; 32. tank cover; 33. connecting bolt; 4. discharge pipe; 41. switch valve; 5. stirring assembly; 51. stirring motor; 52. stirring shaft; 53 stirring blade; 6. weighing assembly; 61. support platform; 62. second reinforcing rod; 63. electronic crane scale; 64. inverted U-shaped frame; 65. stepping motor; 7. frame; 71. first reinforcing rod; 8. electric telescopic rod; 9. hopper; 91. rotating shaft; 10. chassis; 11. universal wheel. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the implementation mode of the present invention is further described in detail below with reference to the accompanying drawings.
[0020] like Figures 1 to 4As shown, the utility model provides a mixing device for grouting materials in deep mine tunnels, comprising a horizontally arranged chassis 10, on the top surface of which are respectively mounted a vertically distributed frame 7 and a mixing tank 3, the mixing tank 3 being a tank structure with a cavity, and the mixing tank 3 can be used to contain grouting materials; a feed hopper 1 is fixedly connected to the top surface of the mixing tank 3, the bottom surface of the mixing tank 3 is hinged to the chassis 10, and an electric telescopic rod 8 is hinged between the side of the mixing tank 3 close to the frame 7 and the frame 7, specifically, the electric telescopic rod 8 can be set as an electric push rod, and It has its own power supply and start-stop switch, and in the initial state, the telescopic end of the electric telescopic rod 8 is in a retracted state. At this time, the mixing tank 3 is vertically distributed, and when the telescopic end of the electric telescopic rod 8 is in the process of extension and retraction, it can drive the mixing tank 3 to swing; the other side of the mixing tank 3 is fixedly connected to a horizontally distributed discharge pipe 4 with a switch valve 41, and the switch valve 41 can be used to start and stop the discharge channel of the discharge pipe 4; when in use, after opening the switch valve 41, the grouting slurry formed by the mixing of various grouting materials can be discharged outward through the discharge pipe 4; there is also A stirring assembly 5 is installed coaxially with the stirring tank 3, and the stirring assembly 5 stirs and mixes various grouting materials in the stirring tank 3; in addition, the bottom end of the frame 7 is fixedly connected to the chassis 10, and in order to improve the connection strength between the frame 7 and the chassis 10 at the connection position, an inclined first reinforcing rod 71 is fixedly connected between the frame 7 and the chassis 10; and a weighing assembly 6 is installed on the frame 7, and a hopper 9 with an opening on the top surface and capable of adding materials to the feed hopper 1 is installed on the weighing assembly 6. Specifically, when in use, the grouting material can be first poured into the hopper 9 The weighing component 6 is used for weighing and preparing, and then the grouting material in the hopper 9 is poured into the mixing tank 3 through the feed hopper 1. After all the grouting materials are poured into the mixing tank 3, the various grouting materials in the mixing tank 3 can be stirred and mixed by the stirring component 5. In the process of stirring and mixing by the stirring component 5, the stirring tank 3 can be driven to swing back and forth by repeatedly extending and retracting the electric telescopic rod 8, so that the grouting material at the bottom of the mixing tank 3 can flow, thereby improving the uniformity of the grouting material during stirring and mixing.
[0021] The specific structure of the weighing assembly 6 is as follows: Figures 1 to 4As shown, the weighing assembly 6 includes a horizontally arranged support platform 61, which is located on one side of the frame 7 close to the mixing tank 3 and is fixedly connected to the top of the frame 7. In order to improve the connection strength between the support platform 61 and the frame 7 at the connection position, an inclined second reinforcing rod 62 is fixedly connected between the support platform 61 and the frame 7; and a vertically distributed electronic hanging scale 63 is installed on the support platform 61, and the electronic hanging scale 63 has its own power supply and switch button; an inverted U-shaped frame 64 located below the support platform 61 is hung on the electronic hanging scale 63, and a stepping motor 65 is installed on the inverted U-shaped frame 64. The stepper motor 65 is a forward and reverse motor with its own power supply and start-stop switch; and the inverted U-shaped frame 64 is rotatably connected to the hopper 9, which is located obliquely above the feed hopper 1. The stepper motor 65 is transmission-connected to the hopper 9. Specifically, when in use, after the grouting material is poured into the hopper 9, the weight of the grouting material in the hopper 9 can be displayed on the electronic hanging scale 63, so that the grouting material can be prepared according to the weight value displayed on the electronic hanging scale 63; and when the preparation is completed, first hold the fixed position of the inverted U-shaped frame 64, and then start the stepper motor 65, as shown in FIG. Figure 4 As shown, the stepper motor 65 can drive the hopper 9 to rotate, so that the grouting material can be automatically added into the feed hopper 1.
[0022] The specific mode of transmission connection between the stepping motor 65 and the hopper 9 is as follows: Figure 2 As shown, horizontally distributed rotating shafts 91 are provided between both sides of the hopper 9 and the inverted U-shaped frame 64, one end of the rotating shaft 91 is fixedly connected to the hopper 9, and the other end of the rotating shaft 91 is rotatably connected to the inverted U-shaped frame 64, and one of the rotating shafts 91 is transmission-connected to the stepper motor 65. Specifically, the output shaft of the stepper motor 65 is coaxially arranged with the rotating shaft 91, and the output shaft of the stepper motor 65 is connected to the rotating shaft 91 through a coupling, so that when the stepper motor 65 is started, the stepper motor 65 can drive the hopper 9 to rotate, thereby automatically adding grouting material into the feed hopper 1.
[0023] Further, such as Figure 1 , Figure 3 and Figure 4 As shown, universal wheels 11 with self-locking function are installed at the four corners of the bottom surface of the chassis 10, so that when in use, the position of the entire proportioning and stirring device can be easily moved; and when moved into place, the position of the proportioning and stirring device can also be fixed by the self-locking function of the universal wheels 11.
[0024] In order to prevent the stirring tank 3 from swinging too much during use, Figure 1 , Figure 3 and Figure 4As shown, a limit assembly 2 is arranged between the side of the mixing tank 3 away from the frame 7 and the chassis 10, and the limit assembly 2 includes a vertically distributed adjusting screw 21, the adjusting screw 21 passes through the chassis 10 and is threadedly connected to the chassis 10, and the bottom end of the adjusting screw 21 is fixedly connected with a handle 22, and the handle 22 can facilitate the rotation of the adjusting screw 21; the top end of the adjusting screw 21 is installed with a limit block 23 located below the mixing tank 3 and made of rubber material. Specifically, when in use, the limit can be adjusted by rotating the adjusting screw 21. The height position of the limit block 23 can adjust and limit the swing amplitude of the stirring tank 3 to prevent the stirring tank 3 from swinging too much; and because the limit block 23 is made of rubber material, it can avoid rigid contact between the stirring tank 3 and the limit block 23, thereby avoiding damage to the stirring tank 3; in addition, when the telescopic end of the electric telescopic rod 8 is in a retracted state, that is, when the stirring tank 3 is not in use, the limit block 23 can be abutted against the outer bottom surface of the stirring tank 3, so that the stirring tank 3 in the vertical state can be supported.
[0025] The specific structure of the stirring tank 3 is as follows: Figure 1 , Figure 3 and Figure 4 As shown, the mixing tank 3 includes a vertically distributed tank body 31, the bottom surface of the tank body 31 is hinged to the chassis 10, the top surface of the tank body 31 is opened, and a tank cover 32 is arranged at the top surface opening of the tank body 31, and the tank cover 32 is connected to the tank body 31 by connecting bolts 33. Specifically, there are multiple connecting bolts 33, and the multiple connecting bolts 33 are equidistantly distributed along the circumference of the tank cover 32; when the tank cover 32 is connected to the tank body 31, the screw end of the connecting bolt 33 passes through the tank cover 32 and then It is threadedly connected to the tank body 31, and the head of the connecting bolt 33 abuts against the tank cover 32, which makes it easy to remove and install the tank cover 32 on the tank body 31; in addition, the feed hopper 1 and the stirring assembly 5 are both installed on the tank cover 32, so that after removing the tank cover 32, the stirring assembly 5 can be easily taken out of the stirring tank 3, thereby facilitating the cleaning of the grouting slurry remaining on the stirring assembly 5; the discharge pipe 4 is connected to the bottom of the tank body 31, and the electric telescopic rod 8 is hinged to the tank body 31 at one end close to the stirring tank 3.
[0026] The specific structure of the stirring assembly 5 is as follows: Figure 1 , Figure 3 and Figure 4As shown, the stirring assembly 5 includes a stirring motor 51 vertically installed on the tank cover 32, and the stirring motor 51 has its own power supply and start-stop switch; the output shaft of the stirring motor 51 passes through the tank cover 32 and is transmission-connected to a stirring shaft 52 which is coaxially arranged with the stirring tank 3 and located in the tank body 31, and a plurality of horizontally distributed stirring blades 53 are installed on both sides of the stirring shaft 52 from top to bottom. Specifically, when in use, when the stirring motor 51 is started, the stirring shaft 52 can be driven to rotate, and the stirring shaft 52 can drive the stirring blades 53 to rotate during the rotation process, so that various grouting materials in the stirring tank 3 can be stirred and mixed.
[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A mixing device for grouting materials in deep mine tunnels, comprising a horizontally arranged chassis, characterized in that: A vertically distributed frame and a stirring tank are respectively installed on the top surface of the chassis. The stirring tank is a tank structure with a cavity. A feed hopper is fixedly connected to the top surface of the stirring tank. The bottom surface of the stirring tank is hinged to the chassis, and an electric telescopic rod is hinged between the side of the stirring tank close to the frame and the frame. A horizontally distributed discharge pipe with a switch valve is fixedly connected to the other side of the stirring tank. A stirring assembly coaxially arranged with the stirring tank is also installed in the stirring tank; the bottom end of the frame is fixedly connected to the chassis, and a weighing assembly is installed on the frame. A hopper with an opening on the top surface and capable of adding materials to the feed hopper is installed on the weighing assembly.
2. A mixing device for grouting materials in deep mine tunnels according to claim 1, characterized in that: The weighing assembly includes a horizontally arranged support platform, which is located on a side of the frame close to the mixing tank and fixedly connected to the top of the frame, and a vertically distributed electronic hanging scale is installed on the support platform, an inverted U-shaped frame located below the support platform is hung on the electronic hanging scale, a stepper motor is installed on the inverted U-shaped frame, and the material hopper is rotatably connected in the inverted U-shaped frame, the material hopper is located obliquely above the feed hopper, and the stepper motor is transmission-connected to the material hopper.
3. A mixing device for grouting materials in deep mine tunnels according to claim 2, characterized in that: Horizontally distributed rotating shafts are arranged between the two sides of the hopper and the inverted U-shaped frame, one end of the rotating shaft is fixedly connected to the hopper, the other end of the rotating shaft is rotatably connected to the inverted U-shaped frame, and one of the rotating shafts is transmission-connected to the stepping motor.
4. A mixing device for grouting materials in deep mine tunnels according to claim 1, characterized in that: Universal wheels with self-locking function are installed at the four corners of the bottom surface of the chassis.
5. A mixing device for grouting materials in deep mine tunnels according to claim 4, characterized in that: A limit assembly is arranged between the side of the mixing tank away from the frame and the chassis, and the limit assembly includes a vertically distributed adjusting screw, which passes through the chassis and is threadedly connected to the chassis, and the bottom end of the adjusting screw is fixedly connected to a rotating handle, and the top end of the adjusting screw is provided with a limit block made of rubber material and located below the mixing tank.
6. A mixing device for grouting materials in deep mine tunnels according to claim 1, characterized in that: The mixing tank comprises a vertically distributed tank body, the bottom surface of the tank body is hinged to the chassis, the top surface of the tank body is opened, and a tank cover is arranged at the opening position of the top surface of the tank body, the tank cover is connected to the tank body by connecting bolts, the feed hopper and the mixing assembly are both installed on the tank cover, the discharge pipe is connected to the bottom of the tank body, and the electric telescopic rod is hinged to the tank body at one end close to the mixing tank.
7. A mixing device for grouting materials in deep mine tunnels according to claim 6, characterized in that: The stirring assembly includes a stirring motor vertically installed on the tank cover. The output shaft of the stirring motor passes through the tank cover and is transmission-connected to a stirring shaft coaxially arranged with the stirring tank and located in the tank body. A plurality of horizontally distributed stirring blades are installed on both sides of the stirring shaft from top to bottom.