Grouting machine for coal mine fire prevention

Abstract

The utility model relates to the technical field of coal mine grouting, in particular to a grouting machine for coal mine fire prevention, which is characterized in that the upper side and the lower side of a grouting cylinder are respectively provided with a feed port and a discharge port in a penetrating manner, and the top end of the grouting cylinder is provided with an opening in a penetrating manner; the moving plate is arranged in the opening through the lifting assembly. The driven gear is rotationally connected to the moving plate through a bearing, an open hole is formed in the driven gear in a penetrating mode, the first motor is fixedly arranged on the grouting barrel, a driving gear is arranged at the output end of the first motor, the driving gear is meshed with the driven gear, and the first motor is connected with an external power source; the height of the moving plate is controlled through the lifting assembly, the cleaning rod can conveniently stretch out of the grouting barrel, and therefore the cleaning rod can be conveniently cleaned, the cleaning rod movably abuts against the inner wall of the grouting barrel through the adjusting assembly, and the inner wall of the grouting barrel is cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine grouting, and particularly relates to a grouting machine for coal mine fire prevention. Background Art

[0002] In coal mining operations, when a coal seam spontaneous combustion fire occurs, the most commonly used fire extinguishing method is to spray mud to cover the coal seam, so as to form an air-insulating surface layer through the mud, and absorb heat through the evaporation of water in the mud, so as to jointly work to achieve flame retardant and fire extinguishing of the coal seam. Since the mud in the grouting machine adheres to the inner wall of the grouting cylinder and is not easy to clean, there is an urgent need for a grouting machine for coal mine fire prevention to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a grouting machine for coal mine fire prevention in view of the defects and deficiencies of the prior art, and its technical features can solve the above problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: It includes:

[0005] A grouting cylinder, the grouting cylinder is arranged in a hollow cylindrical structure, and feeding ports and discharging ports are both provided through the upper and lower sides of the grouting cylinder, and an opening is provided through the top end of the grouting cylinder;

[0006] A moving plate, the moving plate is arranged in the opening by a lifting component;

[0007] A driven gear, the driven gear is rotatably connected to the moving plate by a bearing, an opening is provided through the driven gear, a motor I is fixedly arranged on the grouting cylinder, and a driving gear is arranged at the output end of the motor I, the driving gear is meshed with the driven gear, and the motor I is connected to an external power supply;

[0008] A stirring rod, the top end of the stirring rod is fixedly arranged on the bottom surface of the driven gear, and the stirring rod penetrates through the moving plate and is arranged in the grouting cylinder, and several adjusting rods are rotatably connected to both sides of the stirring rod by hinge seats, and an adjusting component is connected to the adjusting rods;

[0009] Cleaning rods, there are several cleaning rods, the several cleaning rods are rotatably connected to the ends of the adjusting rods by rotating rods, and the cleaning rods are movably abutted against the side wall of the grouting cylinder.

[0010] Adopting the above technical solutions, the height of the moving plate is controlled by the lifting component, so that the cleaning rods can extend out of the grouting cylinder, thereby facilitating the cleaning of the cleaning rods, and then the cleaning rods are movably abutted against the inner wall of the grouting cylinder through the adjusting component, thereby cleaning the inner wall of the grouting cylinder.

[0011] Preferably, the lifting component includes:

[0012] Fixed plates, there are two fixed plates, and the two fixed plates are respectively fixedly arranged on the left and right sides of the movable plate;

[0013] An adjusting screw, wherein the adjusting screw thread is screwed into the left wall of the grouting barrel, and the top end of the adjusting screw is screwed into the left fixed plate by a bearing, the guide rod is connected to the right fixed plate, and the guide rod is movably inserted into the right wall of the grouting barrel;

[0014] Motor 2 is fixedly arranged on the left fixed plate, and the output end of motor 2 is connected to the end of the adjusting screw, and motor 2 is connected to an external power supply.

[0015] By adopting the above technical solution, the adjusting screw is driven to rotate by the second motor, and the height of the movable plate is controlled in cooperation with the guide rod, so that the movable plate drives the stirring rod to move to a suitable height position.

[0016] Preferably, the adjustment component comprises:

[0017] Connecting rods, there are two connecting rods, the two connecting rods are screwed to the corresponding adjusting rods by means of rotating rods, and the connecting rods are movably inserted into the openings, and buckles are provided at the ends of the connecting rods;

[0018] The electric push rod is fixedly arranged on the driven gear, and a lifting rod is arranged at the output end of the electric push rod, lifting grooves are arranged through both sides of the lifting rod, and the buckle is movably arranged in the lifting groove, and the electric push rod is connected to an external power supply.

[0019] By adopting the above technical solution, an electric push rod is used to control the lifting and lowering of the lifting rod, thereby controlling the up and down movement of the connecting rod, and then adjusting the rotation of the adjusting rod by moving the connecting rod, so as to facilitate the cleaning rod to be movably pressed against the inner wall of the grouting barrel.

[0020] Preferably, a resistance wheel is screwed onto the buckle by means of a bearing, and the resistance wheel is rollingly arranged in the lifting groove, and the buckle is conveniently moved in the lifting groove by means of the rolling effect of the resistance wheel.

[0021] Preferably, brushes are provided on the rod walls of the plurality of cleaning rods to facilitate washing off the debris on the inner wall of the grouting barrel.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. Set up an adjustment component, control the height of the lifting rod through the electric push rod, thereby controlling the height position of the connecting rod. The connecting rod controls the rotation of the adjustment rod, and then adjusts the position of the cleaning rod in the grouting barrel, so as to clean the inner wall of the grouting barrel;

[0024] 2. Set up a lifting assembly, use motor 2 to drive the adjusting screw to rotate, and cooperate with the guide rod to make the moving plate drive the stirring to move up and down, which is convenient for the operator to clean the cleaning rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the utility model.

[0026] Figure 2 It is a structural schematic diagram of the lifting component in the utility model.

[0027] Figure 3 It is a structural schematic diagram of the adjusting rod, the cleaning rod and the adjusting assembly in the utility model.

[0028] Figure 4 It is a structural schematic diagram of the lifting rod, the buckle and the interference wheel in the utility model.

[0029] Figure 5 It is a structural schematic diagram of a grouting barrel in the utility model.

[0030] Description of reference numerals:

[0031] Grouting cylinder 1, feed port 2, discharge port 3, opening 4, movable plate 5, lifting assembly 6, fixed plate 6-1, adjusting screw 6-2, guide rod 6-3, motor 2 6-4, driven gear 7, motor 1 8, driving gear 9, stirring rod 10, adjusting rod 11, adjusting assembly 12, connecting rod 12-1, buckle 12-2, electric push rod 12-3, lifting rod 12-4, lifting slot 12-5, cleaning rod 13, resistance wheel 14, brush 15. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings.

[0033] like Figure 1 -- Figure 5 As shown, this specific implementation adopts the following technical solution: it includes:

[0034] A grouting barrel 1, wherein the grouting barrel 1 is a hollow cylindrical structure, wherein a feed port 2 and a discharge port 3 are provided on both upper and lower sides of the grouting barrel 1, and an opening is provided on the top of the grouting barrel 1, and an external pumping device is used to transport and extract the grouting material from the feed port 2 and the discharge port 3 respectively;

[0035] The movable plate 5 is arranged in the opening by means of a lifting assembly 6, and the lifting assembly 6 comprises:

[0036] Fixed plates 6-1, there are two fixed plates 6-1, the two fixed plates 6-1 are respectively fixedly arranged on the left and right sides of the movable plate 5, and the fixed plates 6-1 play a role of fixed positioning;

[0037] Adjusting screw rod 6-2, the adjusting screw rod 6-2 is threadedly connected inside the left side wall of the grouting cylinder 1, and the top end of the adjusting screw rod 6-2 is rotatably connected to the left fixing plate 6-1 by a bearing. The guide rod 6-3 is connected to the right fixing plate 6-1, and the guide rod 6-3 is movably inserted inside the right side wall of the grouting cylinder 1. Both the adjusting screw rod 6-2 and the guide rod 6-3 play a guiding role. By rotating the adjusting screw rod 6-2, it is convenient to control the height of the moving plate 5;

[0038] Motor two 6-4, the motor two 6-4 is fixedly arranged on the left fixing plate 6-1, and the output end of the motor two 6-4 is connected to the end of the adjusting screw rod 6-2. The motor two 6-4 is connected to an external power source. By using the motor two 6-4, the rotation direction of the adjusting screw rod 6-2 is controlled;

[0039] Driven gear 7, the driven gear 7 is rotatably connected to the moving plate 5 by a bearing. An opening 4 is formed through the driven gear 7. The motor one 8 is fixedly arranged on the grouting cylinder 1, and a driving gear 9 is arranged at the output end of the motor one 8. The driving gear 9 is meshed with the driven gear 7. The motor one 8 is connected to an external power source. By using the motor one 8, the rotation direction of the driving gear 9 is controlled, thereby controlling the rotation direction of the driven gear 7;

[0040] Stirring rod 10, the top end of the stirring rod 10 is fixedly arranged on the bottom surface of the driven gear 7, and the stirring rod 10 penetrates through the moving plate 5 and is arranged inside the grouting cylinder 1. Several adjusting rods 11 are rotatably connected to both sides of the stirring rod 10 by hinge seats. The adjusting assembly 12 is connected to the adjusting rods 11. By driving the adjusting rods 11 to rotate with the stirring rod 10, it is convenient to stir the grouting material inside the grouting cylinder 1 evenly. Then, in cooperation with the adjusting assembly 12 to control the rotation of the adjusting rods 11, the ends of the adjusting rods 11 are made to approach the inner wall of the grouting cylinder 1, which is convenient to increase the stirring range of the adjusting rods 11;

[0041] Cleaning rods 13, there are several cleaning rods 13. The several cleaning rods 13 are rotatably connected to the ends of the adjusting rods 11 by rotating rods. The cleaning rods 13 are in movable contact with the side wall of the grouting cylinder 1, which is convenient to clean the inner wall of the grouting cylinder 1. Brushes 15 are arranged on the rod walls of the several cleaning rods 13, which is convenient to wash down the sundries on the inner wall of the grouting cylinder 1. The adjusting assembly 12 includes:

[0042] Connecting rod 12-1. There are two connecting rods 12-1. The two connecting rods 12-1 are rotatably connected to the corresponding adjusting rods 11 by rotating rods, and the connecting rods 12-1 are movably inserted into the openings 4. A buckle 12-2 is provided at the end of the connecting rod 12-1. The connecting rod 12-1 drives the adjusting rod 11 on the same side to rotate synchronously in the same direction. A contact wheel 14 is rotatably connected to the buckle 12-2 by a bearing. The contact wheel 14 is rollingly arranged in the lifting groove 12-5. By the rolling action of the contact wheel 14, it is convenient for the buckle 12-2 to move in the lifting groove 12-5;

[0043] Electric push rod 12-3. The electric push rod 12-3 is fixedly arranged on the driven gear 7, and a lifting rod 12-4 is provided at the output end of the electric push rod 12-3. Lifting grooves 12-5 are formed through both sides of the lifting rod 12-4. The buckle 12-2 is movably clamped in the lifting groove 12-5. The electric push rod 12-3 is connected to an external power supply. The height of the lifting rod 12-4 is controlled by the electric push rod 12-3, and the up and down movement of the connecting rod 12-1 is controlled in cooperation with the buckle 12-2.

[0044] When using the present utility model, the operator injects the grouting material into the grouting cylinder 1 through the feeding port 2 by an external pumping device. Then, the first motor 8 is turned on. The first motor 8 drives the driving gear 9 to rotate. The driving gear 9 drives the driven gear 7 to rotate. The driven gear 7 drives the stirring rod 10 to rotate. The stirring rod 10 drives the adjusting rod 11 to rotate. By the rotation of the adjusting rod 11, it is convenient to stir the grouting material in the grouting cylinder 1 evenly. At the same time, when it is necessary to adjust the stirring range of the adjusting rod 11, the electric push rod 12-3 is turned on. The electric push rod 12-3 pushes the lifting rod 12-4 to move. When the lifting rod 12-4 moves, the buckle 12-2 drives the contact wheel 14 to roll in the lifting groove 12-5. The buckle 12-2 drives the corresponding connecting rod 12-1 to move up and down. The connecting rod 12-1 drives the corresponding adjusting rod 11 to rotate, so that the adjusting rod 11 rotates to a suitable position, and then the stirring range of the adjusting rod 11 is adjusted;

[0045] After the grouting is completed, the operator turns on the second motor 6-4. The second motor 6-4 drives the adjusting screw 6-2 to rotate. The adjusting screw 6-2 cooperates with the guide rod 6-3 to drive the moving plate 5 to rise. The moving plate 5 drives the stirring rod 10, the adjusting rod 11 and the cleaning rod 13 to rise until the moving plate 5 moves to a suitable position, so that the adjusting rod 11 and the cleaning rod 13 extend out of the grouting cylinder 1, which is convenient for the operator to clean the adjusting rod 11 and the cleaning rod 13;

[0046] When it is necessary to clean the inner wall of the grouting cylinder 1, the electric push rod 12-3 drives the lifting rod 12-4 to cooperate with the connecting rod 12-1, so that the brush 15 on the cleaning rod 13 abuts against the inner wall of the grouting cylinder 1. Then, the motor 8 drives the driving gear 9 to rotate, cooperates with the driven gear 7, and drives the stirring rod 10 to rotate. The stirring rod 10 drives the cleaning rod 13 to rotate by means of the adjusting rod 11. At the same time, water is poured in from the feed port 2 through an external water pump, so as to clean the inner wall of the grouting cylinder 1.

[0047] After adopting the above structure, the beneficial effects of this specific embodiment are as follows:

[0048] 1. The adjusting assembly 12 is provided. The height of the lifting rod 12-4 is controlled by the electric push rod 12-3, so as to control the height position of the connecting rod 12-1. The connecting rod 12-1 controls the rotation of the adjusting rod 11, and then adjusts the position of the cleaning rod 13 in the grouting cylinder 1, which is convenient for cleaning the inner wall of the grouting cylinder 1;

[0049] 2. The lifting assembly 6 is provided. The motor 6-4 drives the adjusting screw 6-2 to rotate, and cooperates with the guide rod 6-3, so that the moving plate 5 drives the stirring to move up and down, which is convenient for the operator to clean the cleaning rod 13.

[0050] The above is only used to illustrate the technical solution of the present invention and not to limit it. Any other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the present invention shall be covered by the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A grouting machine for coal mine fire prevention, characterized in that: It contains: A grouting barrel (1), wherein the grouting barrel (1) is a hollow cylindrical structure, a feed inlet (2) and a discharge outlet (3) are provided on both upper and lower sides of the grouting barrel (1), and an opening is provided on the top surface of the grouting barrel (1); A movable plate (5), wherein the movable plate (5) is arranged in the opening by means of a lifting assembly (6); A driven gear (7), wherein the driven gear (7) is screwed onto the movable plate (5) by means of a bearing, an opening (4) is provided through the driven gear (7), a motor (8) is fixedly arranged on the grouting cylinder (1), and a driving gear (9) is provided at the output end of the motor (8), the driving gear (9) is meshed with the driven gear (7), and the motor (8) is connected to an external power source; A stirring rod (10), wherein the top end of the stirring rod (10) is fixedly arranged on the bottom surface of the driven gear (7), and the stirring rod (10) passes through the movable plate (5) and is arranged in the grouting tube (1), and a plurality of adjustment rods (11) are screwed on both sides of the stirring rod (10) by means of a hinge seat, and the adjustment assembly (12) is connected to the adjustment rod (11); A cleaning rod (13), wherein there are a plurality of cleaning rods (13), the plurality of cleaning rods (13) are screwed to the end of the adjusting rod (11) by means of a rotating rod, and the cleaning rod (13) is arranged to movably contact the side wall of the grouting tube (1).

2. A grouting machine for coal mine fire prevention according to claim 1, characterized in that: The lifting assembly (6) comprises: A fixed plate (6-1), wherein there are two fixed plates (6-1), and the two fixed plates (6-1) are respectively fixedly arranged on the left and right sides of the movable plate (5); An adjusting screw (6-2), wherein the adjusting screw (6-2) is threadedly screwed into the left side wall of the grouting barrel (1), and the top end of the adjusting screw (6-2) is screwed onto the left fixing plate (6-1) by means of a bearing, and the guide rod (6-3) is connected to the right fixing plate (6-1), and the guide rod (6-3) is movably inserted into the right side wall of the grouting barrel (1); Motor 2 (6-4), wherein the motor 2 (6-4) is fixedly arranged on the left fixed plate (6-1), and the output end of the motor 2 (6-4) is connected to the end of the adjusting screw rod (6-2), and the motor 2 (6-4) is connected to an external power supply.

3. A grouting machine for coal mine fire prevention according to claim 1, characterized in that: The regulating component (12) comprises: Connecting rods (12-1), there are two connecting rods (12-1), the two connecting rods (12-1) are screwed onto corresponding adjustment rods (11) by means of a rotating rod, and the connecting rods (12-1) are movably inserted into the openings (4), and buckles (12-2) are provided at the ends of the connecting rods (12-1); An electric push rod (12-3) is fixedly arranged on a driven gear (7), and a lifting rod (12-4) is provided at the output end of the electric push rod (12-3), lifting grooves (12-5) are provided through both sides of the lifting rod (12-4), and the buckle (12-2) is movably arranged in the lifting groove (12-5), and the electric push rod (12-3) is connected to an external power supply.

4. A grouting machine for coal mine fire prevention according to claim 3, characterized in that: The buckle (12-2) is screwed with a contact wheel (14) by means of a bearing, and the contact wheel (14) is rotatably arranged in the lifting groove (12-5).

5. A grouting machine for coal mine fire prevention according to claim 1, characterized in that: Brushes (15) are provided on the rod walls of the plurality of cleaning rods (13).

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