Alarm device for preventing coal cutter driver from cutting cable by mistake

Abstract

The utility model relates to the technical field of mechanical operation alarm devices, in particular to an alarm device for preventing a coal cutter driver from cutting a cable mistakenly, which solves the problem that the coal cutter driver cuts the cable due to misoperation and misjudgment, and comprises a connecting plate, a plurality of connecting holes are arranged on the connecting plate, and a fixing plate is fixedly connected to the middle of one side of the connecting plate. A rotating groove is formed in one side of the fixing plate, a rotating wheel is installed in the rotating groove, rotating shafts rotationally connected with the fixing plate are fixedly connected to the two sides of the rotating wheel, a fixing cylinder is installed on the rotating wheel, a supporting rod is installed in the fixing cylinder, a first limiting part is arranged on the inner side of the top of the fixing cylinder, and a second limiting part is arranged at the bottom of the outer wall of the supporting rod. A touch ball is fixedly connected to the top of the supporting rod, a push rod is fixedly connected to the bottom of the supporting rod, a spring is installed in the fixing cylinder, a switch is installed at the bottom of the fixing cylinder, a gravity center block is arranged on the outer wall of the lower portion of the fixing cylinder, and a fixing rod is installed on the top of the fixing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical operation alarm devices, in particular to an alarm device for preventing a coal mining machine driver from accidentally cutting a cable. Background Art

[0002] As we all know, in the current large-scale coal mining process, in order to improve the coal mining efficiency, a drum coal mining machine is configured with a track at the bottom. By controlling the crushing wheel on the mechanical arm, the coal seam on one side is often crushed, and then the coal blocks are transported outward through a conveyor belt to achieve the purpose of efficient mining.

[0003] In order to drive the coal mining machine, cables are laid at the top of the coal mining channel. When operating the crushing wheel of the coal mining machine's mechanical arm, in the process of crushing the coal seam up and down and front and back, the coal mining machine driver often makes operating errors or misjudgments and cuts the cables, causing major electromechanical accidents and economic losses.

[0004] In order to prevent the above accidents from happening, an alarm device is proposed to prevent the coal mining machine driver from cutting the cable by mistake. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides an alarm device for preventing a coal mining machine driver from accidentally cutting a cable, thereby solving the problem of the coal mining machine driver cutting the cable due to operating errors or misjudgment.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an alarm device for preventing a coal mining machine driver from accidentally cutting a cable, comprising a connecting plate, a plurality of connecting holes are arranged on the connecting plate, a fixing plate is fixedly connected to the middle part of one side of the connecting plate, a rotating groove is arranged on one side of the fixing plate, and a rotating wheel is installed in the rotating groove, both sides of the rotating wheel are fixedly connected to a rotating shaft rotatably connected to the fixing plate, a fixing cylinder is installed on the rotating wheel, a support rod is installed inside the fixing cylinder, a first limiting portion is arranged on the inner side of the top of the fixing cylinder, a second limiting portion is arranged at the bottom of the outer wall of the support rod, a touch ball is fixedly connected to the top of the support rod, a push rod is fixedly connected to the bottom of the support rod, a spring is installed inside the fixing cylinder, a switch is installed at the bottom of the fixing cylinder, a center of gravity block is arranged on the outer wall of the lower part of the fixing cylinder, a fixing rod is installed on the top of the fixing plate, an audible and visual alarm is installed on the top of the fixing rod, a controller is installed on the top of the fixing plate, and a battery is installed on the top of the fixing plate.

[0009] Furthermore, the first limiting portion and the second limiting portion limit each other.

[0010] Furthermore, each connecting hole is composed of two holes, and the diameter of the outer hole is larger than the diameter of the inner hole.

[0011] Furthermore, the rotating wheel is connected to the fixed plate by rotation.

[0012] Furthermore, a push button is arranged on the top of the switch, and a certain distance is arranged between the push button and the bottom of the push rod.

[0013] Furthermore, the switch, the battery, and the sound and light alarm are all electrically connected to the controller.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an alarm device for preventing coal mining machine drivers from accidentally cutting cables, which has the following beneficial effects:

[0016] The alarm device for preventing the coal mining machine driver from accidentally cutting the cable is provided with a rotating groove on the fixed plate, and a rotating wheel is installed in the rotating groove. A center of gravity block is installed at the lower part of the fixed cylinder to keep the support rod in a vertical state. When the contact ball touches the cable compression spring, the push rod is pushed, and the push button on the squeeze switch is pressed. The controller controls the sound and light alarm to emit a light source and an alarm at the same time, so that the driver's crushing wheel will touch other objects and the direction of the mechanical arm will be changed, thereby preventing accidents and improving the safety of mining. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the isometric structure of the utility model;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 For this utility model Figure 2 A schematic diagram of the structure with a partial enlargement shown in FIG.

[0020] In the figure: 1. connecting plate; 2. connecting hole; 3. fixing plate; 4. rotating wheel; 5. rotating shaft; 6. fixing cylinder; 7. supporting rod; 8. first limiting part; 9. second limiting part; 10. touching ball; 11. pushing rod; 12. spring; 13. switch; 14. center of gravity block; 15. fixing rod; 16. sound and light alarm; 17. controller; 18. battery. 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] See also Figure 1-3 The utility model discloses an alarm device for preventing a coal mining machine driver from accidentally cutting a cable, comprising a connecting plate 1, a plurality of connecting holes 2 are arranged on the connecting plate 1, each connecting hole 2 is composed of two holes, the diameter of the outer hole is larger than the diameter of the inner hole, a bolt is placed in the connecting hole 2, and then the connecting plate 1 is fixed to one side of the crushing wheel, or the connecting plate 1 is fixed to one side of the crushing wheel by welding, a fixing plate 3 is fixedly connected to the middle part of one side of the connecting plate 1, a rotating groove is arranged on one side of the fixing plate 3, a rotating wheel 4 is installed in the rotating groove, the rotating wheel 4 is connected to the fixing plate 3 by rotation, and both sides of the rotating wheel 4 are fixedly connected to a rotating shaft 5 rotatably connected to the fixing plate 3, a fixing cylinder 6 is arranged on the rotating wheel 4, a supporting rod 7 is arranged inside the fixing cylinder 6, a first limiting portion 8 is arranged on the inner side of the top of the fixing cylinder 6, a second limiting portion 9 is arranged on the bottom of the outer wall of the supporting rod 7, and the first limiting portion 8 and the second limiting portion 9 are connected to each other. The two limiting parts 9 limit each other. A touch ball 10 is fixedly connected to the top of the support rod 7. The distance between the touch ball (10) and the rotating shaft (5) is greater than the distance between the top edge of the crushing wheel and the rotating shaft 5. A push rod 11 is fixedly connected to the bottom of the support rod 7. A spring 12 is installed inside the fixed cylinder 6. A switch 13 is installed at the bottom of the fixed cylinder 6. A push button is arranged on the top of the switch 13, and a certain distance is arranged between the push button and the bottom of the push rod 11. A center of gravity block 14 is arranged on the outer wall of the lower part of the fixed cylinder 6, so that the overall center of gravity of the support cylinder and the support rod 7 is downward, thereby keeping the support rod 7 vertical. A fixing rod 15 is installed on the top of the fixing plate 3. An audible and visual alarm 16 is installed on the top of the fixing rod 15. A controller 17 is installed on the top of the fixing plate 3. A battery 18 is installed on the top of the fixing plate 3. The switch 13, the battery 18, and the audible and visual alarm 16 are all electrically connected to the controller 17.

[0023] To sum up, the alarm device for preventing the coal mining machine driver from accidentally cutting the cable, when in use, fixes the connecting plate 1 to one side of the crushing wheel by welding or using bolts to pass through the connecting hole, so that the position of the touch ball 10 is higher than the top edge of the crushing wheel, starts the coal mining machine, operates the mechanical arm, and rotates the crushing wheel. When the touch ball 10 touches the cable or other equipment on the top, the push rod 11 is pushed to squeeze the bottom of the push rod 11 to start pressing the button, and the controller 17 controls the sound and light alarm 16 to emit a warning light and a warning sound, alerting the driver that the crushing wheel is about to touch the cable or other equipment, so that the driver can adjust the direction of the mechanical arm in time to prevent accidents and improve production safety.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An alarm device for preventing a coal mining machine driver from accidentally cutting a cable, comprising a connecting plate (1), characterized in that: The connecting plate (1) is provided with a plurality of connecting holes (2); a fixing plate (3) is fixedly connected to the middle of one side of the connecting plate (1); a rotating groove is provided on one side of the fixing plate (3); a rotating wheel (4) is installed in the rotating groove; both sides of the rotating wheel (4) are fixedly connected with a rotating shaft (5) rotatably connected to the fixing plate (3); a fixing cylinder (6) is installed on the rotating wheel (4); a supporting rod (7) is installed inside the fixing cylinder (6); a first limiting portion (8) is provided on the inner side of the top of the fixing cylinder (6); a second limiting portion (9) is provided at the bottom of the outer wall of the supporting rod (7); The top of the support rod (7) is fixedly connected to a touch ball (10), the bottom of the support rod (7) is fixedly connected to a push rod (11), a spring (12) is installed inside the fixed cylinder (6), a switch (13) is installed at the bottom of the fixed cylinder (6), a center of gravity block (14) is arranged on the outer wall of the lower part of the fixed cylinder (6), a fixed rod (15) is installed on the top of the fixed plate (3), an audible and visual alarm (16) is installed on the top of the fixed rod (15), a controller (17) is installed on the top of the fixed plate (3), and a storage battery (18) is installed on the top of the fixed plate (3).

2. The alarm device for preventing a coal mining machine driver from accidentally cutting a cable according to claim 1, characterized in that: The first limiting portion (8) and the second limiting portion (9) limit each other.

3. The alarm device for preventing a coal mining machine driver from accidentally cutting a cable according to claim 1, characterized in that: Each of the connecting holes (2) consists of two holes, and the diameter of the outer hole is larger than the diameter of the inner hole.

4. The alarm device for preventing a coal mining machine driver from accidentally cutting a cable according to claim 1, characterized in that: The rotating wheel (4) is connected to the fixing plate (3) by rotation.

5. The alarm device for preventing a coal mining machine driver from accidentally cutting a cable according to claim 1, characterized in that: A push button is arranged on the top of the switch (13), and a certain distance is arranged between the push button and the bottom of the push rod (11).

6. The alarm device for preventing a coal mining machine driver from accidentally cutting a cable according to claim 1, characterized in that: The switch (13), the storage battery (18), and the sound and light alarm (16) are all electrically connected to the controller (17).

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