Grouting device for preventing and extinguishing fire in coal mine

Abstract

The utility model relates to the technical field of grouting equipment, in particular to a grouting device for fire prevention and extinguishment in a coal mine, which comprises a cart, one end of the top of the cart is fixedly connected with a wedge-shaped shell, the top of the wedge-shaped shell is fixedly connected with a storage shell, the storage shell is provided with a precipitation prevention mechanism in a matched manner, and the other end of the top of the cart is provided with a grouting mechanism. According to the grouting device, the grouting mechanism is arranged at the other end of the top of the cart, a water pump is started, so that slurry in a storage shell is conveniently conveyed into a spray head, the slurry is conveniently sprayed out through the spray head, the height of the spray head is conveniently adjusted by starting a first motor, and then the slurry is sprayed out through a second motor. And the second motor is used for driving the rotating rod to deflect, so that the sliding block and the spray head deflect to a proper angle, the height and the deflection angle of the spray head can be adjusted according to the position of an ignition point, and the fire extinguishing efficiency of the grouting device for fire prevention and extinguishing of the coal mine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grouting equipment, in particular to a grouting device used for fire prevention and extinguishing in coal mines. Background Art

[0002] The fire prevention and extinguishing grouting device for coal mines refers to a device used when there is a risk of spontaneous combustion of coal in the underground working face and goaf of coal mines, that is, a grouting device with fire prevention and extinguishing function that sprays slurry materials such as mud, fly ash slurry, lime slurry and chemical gel with water as the conveying medium or viscous liquid with higher viscosity. However, the existing coal mine fire prevention and extinguishing grouting device cannot adjust the height of the fire extinguishing device according to the ignition point, and its practicality is poor. In addition, the existing coal mine fire prevention and extinguishing grouting device, because the slurry is a turbid liquid mixed with multiple slurries and gels, will produce precipitation and solidification when not used for a long time, affecting the use effect of the slurry. Utility Model Content

[0003] The purpose of the utility model is to provide a grouting device for coal mine fire prevention and extinguishing, so as to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A grouting device for coal mine fire prevention and extinguishing comprises a cart, one end of the top of the cart is fixedly connected to a wedge-shaped shell, the top of the wedge-shaped shell is fixedly connected to a storage shell, the storage shell is equipped with an anti-sedimentation mechanism, and the other end of the top of the cart is provided with a grouting mechanism.

[0006] Furthermore, the grouting mechanism includes a water pump and a rectangular frame, the bottom of the rectangular frame is fixedly connected to the cart, a slider is slidably connected to the inside of the rectangular frame, and a circular hole is opened in the middle of the slider, the bottom of the water pump is fixedly connected to the cart, the water pumping end of the water pump is connected and fixed with a connecting pipe 1, and the connecting pipe 1 is connected and fixed to the bottom of the outer wall of the storage shell, the water outlet end of the connecting pipe 1 is connected and fixed with a connecting pipe 2, and one end of the connecting pipe 2 is fixedly connected to the inner wall of the circular hole, and one end of the connecting pipe 2 is connected and fixed with a nozzle.

[0007] Preferably, a fixed plate is fixedly connected to the top of one side of the rectangular frame, a motor 1 is provided on one side of the rectangular frame, and the bottom of the motor 1 is fixedly connected to the cart, a screw is fixedly connected to the output end of the motor 1, and an L-shaped plate is screwed and connected to the outer side of the screw, and one end of the L-shaped plate is fixedly connected to one side of the slider.

[0008] Preferably, an inner wall of the rectangular frame is provided with a sliding through hole, one end of the slider is fixedly connected to a rotating rod, the other end of the L-shaped plate is fixedly connected to a rectangular plate, one side of the rectangular plate is fixedly connected to motor 2, and the output end of motor 2 is fixedly connected to one end of the rotating rod.

[0009] Preferably, a ventilation hole is provided on the top of the storage shell, and a filter screen is fixedly connected to the inner wall of the ventilation hole.

[0010] Furthermore, the anti-sedimentation mechanism includes a rotating shell, the top of the rotating shell is rotatably connected to the middle position of the top surface of the storage shell, the outer wall of the rotating shell is evenly connected and fixed with a circular tube, and one end of the circular tube is connected and fixed with a movable tube, and a motor three is arranged on the top of the rotating shell, the motor three is fixedly connected to the middle position of the top of the storage shell, and the output end of the motor three passes through the side wall of the storage shell and is fixedly connected to the top of the rotating shell.

[0011] Preferably, a plurality of spray holes are evenly provided on the outer wall of the movable tube, an air supply pipe is connected and fixed to the bottom of the movable tube, and the bottom of the air supply pipe passes through the side walls of the wedge-shaped shell and the storage shell and is connected and fixed to a delivery pipe, the delivery pipe is located inside the wedge-shaped shell, an air pump is provided at the bottom of the movable tube, and one side of the air pump is fixedly connected to an inner wall of the wedge-shaped shell, and the air outlet end of the air pump is connected and fixed to one end of the delivery pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A grouting mechanism is provided at the other end of the top of the cart, and by starting the water pump, the slurry inside the storage shell is conveniently transported to the inside of the nozzle, and the nozzle is conveniently used to spray the slurry, and by starting the motor 1, the height of the nozzle is conveniently adjusted, and then by starting the motor 2, the motor 2 is used to drive the rotating rod to deflect, so that the slider and the nozzle are deflected to a proper angle, and then the nozzle can adjust the height and deflection angle according to the position of the ignition point, thereby improving the fire extinguishing efficiency of the grouting device for coal mine fire prevention and extinguishing;

[0014] 2. An anti-sedimentation mechanism is provided on the storage shell, and motor three is started to rotate the rotating shell, multiple circular tubes and multiple mobile tubes, and the slurry is stirred by the rotating multiple circular tubes and multiple mobile tubes. Then, the air pump is started, and the air pump, conveying pipe, air delivery pipe, rotating shell and multiple circular tubes are used to convey gas to the inside of the multiple mobile tubes, and the gas is sprayed out by the spray hole. The sprayed gas can blow the slurry, thereby avoiding the precipitation of the slurry stored in the storage shell and affecting the fire extinguishing effect of the slurry. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 yes Figure 1 A partial enlarged view of the middle part;

[0017] Figure 3It is a schematic diagram of the structure of the grouting mechanism in the utility model;

[0018] Figure 4 It is a schematic diagram of the positional relationship between the rectangular frame and the slider in the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the anti-sedimentation mechanism in the utility model.

[0020] In the figure: 100, cart; 110, wedge-shaped shell; 120, storage shell; 121, air vent; 130, filter; 200, grouting mechanism; 210, water pump; 220, connecting pipe one; 230, connecting pipe two; 231, nozzle; 240, rectangular frame; 241, sliding through hole; 250, slider; 251, round hole; 260, motor one; 261, screw; 262, fixed plate; 270, L-shaped plate; 280, rectangular plate; 290, motor two; 291, rotating rod; 300, anti-sedimentation mechanism; 310, rotating shell; 320, round tube; 330, moving tube; 331, spray hole; 340, motor three; 350, air supply pipe; 360, air pump; 361, delivery pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figure 1-5 In an embodiment of the utility model, a grouting device for coal mine fire prevention and extinguishing includes a cart 100, characterized in that a wedge-shaped shell 110 is fixedly connected to one end of the top of the cart 100, a storage shell 120 is fixedly connected to the top of the wedge-shaped shell 110, an anti-sedimentation mechanism 300 is matched with the storage shell 120, and a grouting mechanism 200 is arranged at the other end of the top of the cart 100.

[0024] Specifically, the storage shell 120 is used to store the slurry, and the grouting mechanism 200 is used to spray the slurry to achieve grouting fire extinguishing. The grouting mechanism 200 can adjust the grouting height and spraying angle, thereby improving the working efficiency of grouting fire extinguishing. The anti-sedimentation mechanism 300 is used to stir and mix the slurry inside the storage shell 120, thereby preventing the slurry inside the storage shell 120 from settling during use, which affects the use of the slurry.

[0025] like Figure 3-4As shown, in this embodiment, the grouting mechanism 200 includes a water pump 210 and a rectangular frame 240, the bottom of the rectangular frame 240 is fixedly connected to the cart 100, the interior of the rectangular frame 240 is slidably connected with a slider 250, and a circular hole 251 is opened at the middle position of the slider 250, the bottom of the water pump 210 is fixedly connected to the cart 100, the water pumping end of the water pump 210 is connected and fixedly connected with a connecting pipe 220, and the connecting pipe 220 is connected and fixedly connected to the bottom of the outer wall of the storage shell 120, and the water outlet end of the connecting pipe 220 is connected and fixedly connected to the outer wall of the storage shell 120. There is a connecting tube 230, and one end of the connecting tube 230 is fixedly connected to the inner wall of the circular hole 251, one end of the connecting tube 230 is connected to and fixed with a nozzle 231, a fixing plate 262 is fixedly connected to the top of one side of the rectangular frame 240, a motor 260 is arranged on one side of the rectangular frame 240, and the bottom of the motor 260 is fixedly connected to the cart 100, a screw 261 is fixedly connected to the output end of the motor 260, and an L-shaped plate 270 is screwed and connected to the outer side of the screw 261, and one end of the L-shaped plate 270 is fixedly connected to one side of the slider 250.

[0026] In this embodiment, by starting the water pump 210, the water pump 210, the connecting pipe 1 220 and the connecting pipe 2 230 are used to transport the slurry inside the storage shell 120 to the inside of the nozzle 231, and the nozzle 231 is used to spray the slurry. By starting the motor 1 260, the motor 1 260 is used to drive the screw 261 to move, so that the L-shaped plate 270, the slider 250 and the nozzle 231 are moved, and then the height of the nozzle 231 is adjusted, so that the nozzle 231 can adjust its position according to the height of the ignition point, thereby improving the fire extinguishing efficiency of the grouting device used for coal mine fire prevention and extinguishing.

[0027] like Figure 3-4 As shown, in this embodiment, a sliding through hole 241 is opened on an inner wall of the rectangular frame 240, one end of the slider 250 is fixedly connected to a rotating rod 291, the other end of the L-shaped plate 270 is fixedly connected to a rectangular plate 280, one side of the rectangular plate 280 is fixedly connected to a motor 290, and the output end of the motor 290 is fixedly connected to one end of the rotating rod 291.

[0028] In a specific implementation, the second motor 290 is started to drive the rotating rod 291 to deflect, so that the slider 250 and the nozzle 231 are deflected to a proper angle.

[0029] Embodiment 2

[0030] On the basis of the first embodiment, in order to prevent the slurry inside the storage shell 120 from settling and affecting the fire extinguishing effect of the slurry.

[0031] like Figure 5As shown, in this embodiment, a vent hole 121 is provided at the top of the storage shell 120, and a filter screen 130 is fixedly connected to the inner wall of the vent hole 121, and the anti-precipitation mechanism 300 includes a rotating shell 310, the top of the rotating shell 310 is rotatably connected to the middle position of the inner top surface of the storage shell 120, the outer wall of the rotating shell 310 is evenly connected and fixed with a circular tube 320, and one end of the circular tube 320 is connected and fixed with a moving tube 330, and a motor 340 is provided on the top of the rotating shell 310, and the motor 340 is fixedly connected to the middle position of the top of the storage shell 120, and the motor 340 outputs The outlet end passes through the side wall of the storage shell 120 and is fixedly connected to the top of the rotating shell 310. The outer wall of the movable tube 330 is evenly provided with a plurality of spray holes 331. The bottom of the movable tube 330 is connected and fixed with an air supply pipe 350, and the bottom of the air supply pipe 350 passes through the side walls of the wedge-shaped shell 110 and the storage shell 120 and is connected and fixed with a delivery pipe 361. The delivery pipe 361 is located inside the wedge-shaped shell 110. An air pump 360 is provided at the bottom of the movable tube 330, and one side of the air pump 360 is fixedly connected to an inner wall of the wedge-shaped shell 110. The air outlet end of the air pump 360 is connected and fixed with one end of the delivery pipe 361.

[0032] During the specific implementation, the motor 340 is started to drive the rotating shell 310, the multiple circular tubes 320 and the multiple mobile tubes 330 to rotate, and the rotating multiple circular tubes 320 and the multiple mobile tubes 330 are used to stir the slurry. Then, the air pump 360 is started to facilitate the delivery of gas to the multiple mobile tubes 330 by using the air pump 360, the delivery pipe 361, the air delivery pipe 350, the rotating shell 310 and the multiple circular tubes 320, and the gas is sprayed out by using the spray hole 331. The sprayed gas can blow the slurry, thereby avoiding the precipitation of the slurry stored in the storage shell 120 and affecting the fire extinguishing effect of the slurry.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A grouting device for fire prevention and extinguishing in coal mines, comprising a trolley (100), characterized in that: One end of the top of the cart (100) is fixedly connected to a wedge-shaped shell (110), the top of the wedge-shaped shell (110) is fixedly connected to a storage shell (120), an anti-sedimentation mechanism (300) is matched with the storage shell (120), and the other end of the top of the cart (100) is provided with a grouting mechanism (200); The grouting mechanism (200) comprises a water pump (210) and a rectangular frame (240). The bottom of the rectangular frame (240) is fixedly connected to the cart (100). A slider (250) is slidably connected inside the rectangular frame (240), and a circular hole (251) is provided at the middle position of the slider (250). The bottom of the water pump (210) is fixedly connected to the cart (100). A connecting pipe 1 (220) is connected and fixed to the water pumping end of the water pump (210), and the connecting pipe 1 (220) is connected and fixed to the bottom of the outer wall of the storage shell (120). A connecting pipe 2 (230) is connected and fixed to the water outlet end of the connecting pipe 1 (220), and one end of the connecting pipe 2 (230) is fixedly connected to the inner wall of the circular hole (251). A nozzle (231) is connected and fixed to one end of the connecting pipe 2 (230). A fixing plate (262) is fixedly connected to the top of one side of the rectangular frame (240), a motor 1 (260) is arranged on one side of the rectangular frame (240), and the bottom of the motor 1 (260) is fixedly connected to the cart (100), a screw rod (261) is fixedly connected to the output end of the motor 1 (260), and an L-shaped plate (270) is screwed and connected to the outer side of the screw rod (261), one end of the L-shaped plate (270) is fixedly connected to one side of the slider (250), an inner side wall of the rectangular frame (240) is provided with a sliding through hole (241), one end of the slider (250) is fixedly connected to a rotating rod (291), the other end of the L-shaped plate (270) is fixedly connected to the rectangular plate (280), one side of the rectangular plate (280) is fixedly connected to the motor 2 (290), and the output end of the motor 2 (290) is fixedly connected to one end of the rotating rod (291).

2. A grouting device for coal mine fire prevention and extinguishing according to claim 1, characterized in that: The top of the storage shell (120) is provided with an air vent (121), and the inner wall of the air vent (121) is fixedly connected with a filter screen (130).

3. A grouting device for coal mine fire prevention and extinguishing according to claim 1, characterized in that: The anti-sedimentation mechanism (300) comprises a rotating shell (310), the top of the rotating shell (310) is rotatably connected to the middle position of the inner top surface of the storage shell (120), the outer side wall of the rotating shell (310) is evenly connected and fixed with a circular tube (320), and one end of the circular tube (320) is connected and fixed with a moving tube (330), and a motor three (340) is arranged on the top of the rotating shell (310), the motor three (340) is fixedly connected to the middle position of the top of the storage shell (120), and the output end of the motor three (340) passes through the side wall of the storage shell (120) and is fixedly connected to the top of the rotating shell (310).

4. A grouting device for coal mine fire prevention and extinguishing according to claim 3, characterized in that: The outer wall of the movable tube (330) is evenly provided with a plurality of spray holes (331); the bottom of the movable tube (330) is connected and fixed with an air supply pipe (350); the bottom of the air supply pipe (350) passes through the side walls of the wedge-shaped shell (110) and the storage shell (120) and is connected and fixed with a delivery pipe (361); the delivery pipe (361) is located inside the wedge-shaped shell (110); an air pump (360) is provided at the bottom of the movable tube (330); one side of the air pump (360) is fixedly connected to an inner wall of the wedge-shaped shell (110); the air outlet end of the air pump (360) is connected and fixed to one end of the delivery pipe (361).

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