A coal mine fireproof grouting device with adjustable concentration and anti-clogging function

Abstract

This utility model discloses a coal mine fireproof grouting device with adjustable concentration and anti-clogging functions, including a frame and a grouting assembly for adjusting the viscosity of the grout. The grouting assembly includes a tube A, a piston rod A, and a push rod. The tube A is fixedly connected to the frame, the piston rod A is slidably connected inside the tube A, and the push rod is fixedly connected to the piston rod A. This utility model can adjust the viscosity of the grout in real time to prevent adhesion and clogging.

Description

Technical Field

[0001] This utility model belongs to the field of grouting technology, and in particular relates to a coal mine fire prevention grouting device with adjustable concentration and anti-clogging function. Background Technology

[0002] Fireproof grouting is a method of achieving fire prevention and extinguishing using a grout of a certain concentration. This method is particularly important in coal mining production. It involves mixing and stirring solid materials such as clay, crushed shale, and power plant fly ash with water to prepare a grout of a specific concentration. This grout is then injected or sprayed into the goaf through grout delivery pipelines to achieve fire prevention and extinguishing. This method is called grouting for fire prevention and extinguishing. Grouting is usually done manually using a pipe, but this method makes it difficult to control the viscosity in a timely manner, leading to the viscous grout easily clogging and adhering to the walls. This paper proposes a fireproof grouting structure to prevent grout clogging and adhesion. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a coal mine fire prevention grouting device with adjustable concentration and anti-clogging functions, thus solving the aforementioned problems.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: a coal mine fireproof grouting device with adjustable concentration and anti-clogging function, including a frame, and further including: a grouting assembly for adjusting the viscosity of the grout; the grouting assembly includes a tube A, a piston rod A and a push rod, the tube A is fixedly connected to the frame, the piston rod A is slidably connected inside the tube A, and the push rod is fixedly connected to the piston rod A.

[0005] Beneficial effects

[0006] This utility model provides a coal mine fireproof grouting device with adjustable concentration and anti-clogging functions, which has the following advantages compared with the prior art:

[0007] The user holds the frame and presses the grout outlet of the connecting pipe into the wall hole, ensuring a tight seal with the grout outlet to prevent overflow. The user then starts motor A, which drives the screw fixed to its output shaft. This causes the threaded push rod on the screw to slide, pushing piston rod A into pipe A. Grout flows from pipe A into the wall hole through the connecting pipe. Simultaneously, the rubber plug at the connection between piston rod A and pipe A effectively prevents grout overflow. If grout adheres to the wall and causes blockage, the user pushes the screw to be flush with the connecting plate and tightens the bolt on the slider to secure it to piston rod B. Then, a technician pushes the insert rod into the hole in the connecting plate. When the limiting pad at the top of the insert rod... When the slider contacts the wall, the insert rod is fully inserted into the connecting plate. Simultaneously, the diameter of the limiting pad at the top of the insert rod should be larger than the diameter of the insert rod. At this point, continue starting motor A and open the valve at the outlet of pipe B, causing the connecting plate to move the slider synchronously. This allows piston rod B to push water from pipe B into the connecting pipe to mix with the slurry, reducing the slurry's viscosity and preventing it from sticking to the wall. It also neutralizes any viscous slurry already adhering to the wall. When using this device, the user can start motor B, causing it to drive the eccentric wheel fixedly connected to its output shaft to rotate synchronously. This, in turn, causes the eccentric wheel to drive the connecting rod connected to its eccentric part to rotate synchronously, pushing the slide cylinder along the limiting rod. This causes the rubber ring at the front end of the slide cylinder to repeatedly hammer the wall, further preventing slurry from sticking and clogging the wall through vibration. The rubber ring at the front end of the slide cylinder should have a certain thickness to prevent damage to the wall surface. Attached Figure Description

[0008] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0009] Figure 2 This is an enlarged structural schematic diagram of the present invention.

[0010] Figure 3 This is an enlarged schematic diagram of the structure of this utility model.

[0011] Figure reference numerals: Frame 101, Grouting assembly 2, Pipe A201, Piston rod A202, Push rod 203, Connecting plate 204, Screw 205, Motor A206, Slider 207, Insert rod 208, Piston rod B209, Pipe B301, Connecting pipe 302, Eccentric wheel 303, Connecting rod 304, Slide cylinder 305, Limiting rod 306. Detailed Implementation

[0012] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0013] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0014] Please see Figures 1-3 According to one embodiment of this utility model, a coal mine fireproof grouting device with adjustable concentration and anti-clogging function is provided, including a frame 101, and further including:

[0015] Grouting component 2 is used to adjust the viscosity of the grout.

[0016] The grouting assembly 2 includes a tube A201, a piston rod A202, and a push rod 203. The tube A201 is fixedly connected to the frame 101, the piston rod A202 is slidably connected inside the tube A201, and the push rod 203 is fixedly connected to the piston rod A202.

[0017] Regarding the above examples, those skilled in the art should know that the implementation of the above technical solutions is not limited to the specific piston rod A202 described in the above embodiments. For example, a rubber stopper is provided at the connection between the piston rod A202 and the tube A201. The purpose of this arrangement is to prevent the slurry from overflowing through the gap at the connection. A rubber stopper is also provided at the connection between the piston rod B209 and the tube B301.

[0018] Regarding the above examples, those skilled in the art should know that the implementation of the above technical solutions is not limited to the specific frame 101 described in the above embodiments. For example, the bottom of the frame 101 may be provided with a telescopic bracket. The purpose of this arrangement is to facilitate the support of the frame 101 by the telescopic bracket, thereby avoiding the worker holding the device for a long time during the work process.

[0019] Specifically, the push rod 203 is threadedly connected to the screw 205, one end of the screw 205 is rotatably connected to the frame 101, and the other end of the screw 205 is fixedly connected to the output shaft of the motor A206, which is fixedly connected to the frame 101.

[0020] Regarding the above examples, those skilled in the art should know that the implementation of the above technical solutions is not limited to the specific screw 205 described in the above embodiments. For example, the screw 205 can be a reciprocating lead screw. The purpose of this arrangement is that when the slider connected to the thread on the reciprocating lead screw moves to one end, the movement direction of the slider connected to the thread on it can be quickly changed by continuing to control the reciprocating lead screw to rotate in the same direction.

[0021] Specifically, a connecting plate 204 is fixedly connected to the push rod 203, a tube B301 is fixedly connected to the frame 101, a piston rod B209 is slidably connected inside the tube B301, and a valve is provided at the outlet of the tube B301.

[0022] For the above examples, those skilled in the art should know that the implementation of the above technical solutions is not limited to the specific connecting plate 204 described in the above embodiments. For example, the connecting plate 204 has a damping rubber strip in the through hole. The purpose of this setting is to increase the damping of its sliding, thereby preventing the insertion rod 208 from disengaging from the connecting plate 204 after being inserted into it.

[0023] Specifically, a slider 207 is slidably connected to the piston rod B209, and the slider 207 is provided with bolts for connecting the piston rod B209.

[0024] Regarding the above examples, those skilled in the art should know that the implementation of the above technical solutions is not limited to the specific piston rod B209 described in the above embodiments. For example, the piston rod B209 may be provided with multiple grooves. The purpose of this arrangement is to facilitate the insertion of the bolt on the slider 207 into the groove of the piston rod B209 by rotating the bolt, thereby strengthening the connection and fastening of the slider 207 and the piston rod B209.

[0025] Specifically, a rod 208 is slidably connected to the slider 207, and the rod 208 can be inserted into the groove of the connecting plate 204. A connecting pipe 302 is fixedly connected to the outlet of the tube B301, and the other side of the connecting pipe 302 is fixedly connected to the slurry outlet of the tube A201.

[0026] For the above examples, those skilled in the art should know that the implementation of the above technical solutions is not limited to the specific connecting pipe 302 described in the above embodiments. For example, the outlet of the connecting pipe 302 should have multiple sizes available for replacement. The purpose of this setting is to make it easy to adapt to multiple sizes of apertures.

[0027] Specifically, a motor B307 is fixedly connected to the bottom of the frame 101, an eccentric wheel 303 is fixedly connected to the output shaft of the motor B307, and a connecting rod 304 is rotatably connected to the eccentric part of the eccentric wheel 303.

[0028] For the above examples, those skilled in the art should know that the implementation of the above technical solutions is not limited to the specific motor B307 described in the above embodiments. For example, the motor B307 should be a motor with multiple adjustable speeds. The purpose of this setting is to facilitate the adjustment of the contact frequency between the slide 305 and the wall surface.

[0029] Specifically, the other end of the connecting rod 304 is hinged to the slide cylinder 305, the slide cylinder 305 is slidably connected to the limiting rod 306, and the limiting rod 306 is fixedly connected to the frame 101.

[0030] In this embodiment of the invention, the user holds the frame 101 and presses the grout outlet of the connecting pipe 302 into the wall hole. The sealing strip at the grout outlet ensures tight contact with the wall hole, preventing grout overflow. The user then starts the motor A206, causing the motor A206 to drive the screw 205, which is fixedly connected to its output shaft, to rotate synchronously. This causes the push rod 203, threaded onto the screw 205, to slide, pushing the piston rod A202 into the tube A201. This allows the grout to flow through the connecting pipe 302 into the tube A201. As the grout flows into the hole in the wall, and the piston rod A202 begins to push the grout in the tube A201, the rubber plug at the connection between the piston rod A202 and the tube A201 effectively prevents the grout from overflowing from the connection. If grout adheres to the wall and causes blockage, the user pushes the screw rod 205 to be flush with the connecting plate 204, and simultaneously tightens the bolt on the slider 207 so that the bolt presses against the piston rod B209, thus fixing the slider 207 onto the piston rod B209. Then, the relevant technician pushes the insertion rod 208, inserting it into the hole in the connecting plate 204. When the insertion rod 208... When the limiting pad at the top of the 08 contacts the slider 207, the insertion rod 208 is fully inserted into the connecting plate 204. Simultaneously, the diameter of the limiting pad at the top of the insertion rod 208 should be larger than the diameter of the insertion rod 208. At this point, continue to start the motor A206 and open the valve at the outlet of the pipe B301, causing the connecting plate 204 to drive the slider 207 to slide synchronously. This causes the piston rod B209 to begin pushing the water in the pipe B301 into the connecting pipe 302 to mix with the slurry, thereby reducing the viscosity of the slurry and preventing it from sticking to the wall. It also neutralizes any water already stuck to the wall. The viscous slurry; when using this device, the user can start the motor B307, which will drive the eccentric wheel 303 fixedly connected to its output shaft to rotate synchronously, which will drive the connecting rod 304 connected to its eccentric part to rotate synchronously, so that the connecting rod 304 will start to push the slide cylinder 305 to slide along the limit rod 306, so that the rubber ring at the front end of the slide cylinder 305 will repeatedly hammer the wall, and the vibration will further prevent the slurry in the wall from sticking and blocking. At the same time, the rubber ring at the front end of the slide cylinder 305 should have a certain thickness to prevent damage to the wall surface.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] The term "fixed connection" as used in this application refers to a connection in which parts or components are fixed without any relative movement. This includes both detachable and non-detachable connections.

[0033] (1) Detachable connection: The components are fixed together using screws, splines, wedges, etc. This type of connection can be disassembled during maintenance without damaging the parts. However, the specifications of the connecting parts used must be correct (such as the length of the bolts, keys, wedges) and properly tightened.

[0034] (2) Non-removable connections: These mainly refer to welding, riveting, and tenon joints. Since disassembly requires forging, sawing, or oxyacetylene cutting for repair or replacement, the parts generally cannot be reused. At the same time, attention should be paid to process quality, technical inspection, and remedial measures (such as correction and polishing) during connection.

[0035] The sliding connection referred to in this application means that the component can slide along a linear trajectory, and the hinge referred to in this application means that the component can rotate along an axial constraint.

[0036] In some cases, the sliding connection and hinge referred to in this application may also be damped, enabling the component to maintain in the desired position.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coal mine fireproof grouting device with adjustable concentration and anti-blocking function, comprising a rack (101), characterized in that, Also includes: Grouting component (2) is used to adjust the viscosity of the grout. The grouting assembly (2) includes a tube A (201), a piston rod A (202), and a push rod (203). The tube A (201) is fixedly connected to the frame (101), the piston rod A (202) is slidably connected inside the tube A (201), and the push rod (203) is fixedly connected to the piston rod A (202). The push rod (203) is threadedly connected to the screw (205). One end of the screw (205) is rotatably connected to the frame (101), and the other end of the screw (205) is fixedly connected to the output shaft of the motor A (206). The motor A (206) is fixedly connected to the frame (101). A connecting plate (204) is fixedly connected to the push rod (203), a tube B (301) is fixedly connected to the frame (101), a piston rod B (209) is slidably connected inside the tube B (301), and a valve is provided at the outlet of the tube B (301). A slider (207) is slidably connected to the piston rod B (209), and the slider (207) is provided with bolts for connecting the piston rod B (209).

2. The coal mine fireproof grouting device with adjustable concentration and anti-blocking function according to claim 1, characterized in that, A rod (208) is slidably connected to the slider (207). The rod (208) is inserted into the groove of the connecting plate (204). A connecting pipe (302) is fixedly connected to the outlet of the tube B (301). The other side of the connecting pipe (302) is fixedly connected to the slurry outlet of the tube A (201).

3. The coal mine fireproof grouting device with adjustable concentration and anti-blocking function according to claim 1, characterized in that, The bottom of the frame (101) is fixedly connected to a motor B (307), and an eccentric wheel (303) is fixedly connected to the output shaft of the motor B (307). A connecting rod (304) is rotatably connected to the eccentric part of the eccentric wheel (303).

4. The coal mine fireproof grouting device with adjustable concentration and anti-blocking function according to claim 3, characterized in that, The other end of the connecting rod (304) is hinged to the slide cylinder (305), and the slide cylinder (305) is slidably connected to the limiting rod (306), which is fixedly connected to the frame (101).

5. The coal mine fireproof grouting device with adjustable concentration and anti-blocking function according to claim 1, characterized in that, The connecting plate (204) has a damping rubber strip inside the through hole.

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