Open-air rock blasting alarm device

By designing an open-air rock blasting alarm device with lifting and rotation adjustment functions, the existing device has solved the problem of short sound propagation distance and inability to face the crowd, which has significantly improved the operational safety.

CN222600293UActive Publication Date: 2025-03-11RIZHAO PINGDA BLASTING CO LTD
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Patent Information

Application Number
CN202421195746.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-03-11
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The existing open-air rock blasting alarm device is fixed in the installation height and orientation, resulting in the sound propagation distance being close, and it is impossible to ensure that the sound is facing the crowd, the warning effect is poor, and it affects safety.

Method used

An open-air rock blasting alarm device including a load bearing base plate, a moving wheel, a lifting assembly and a rotating mechanism is designed. The stepper motor drives the screw to drive the connecting sleeve and the sliding through the slide chute to realize the up and down movement of the sirens; the servo motor drives the driving gear on the rotation shaft to drive the driven gear plate to realize the rotation adjustment of the sirens.

Benefits of technology

Through lifting and rotary adjustment, the propagation distance and accuracy of the alarm sound are improved, ensuring that the sound is facing the crowd, and the safety of open-air rock blasting operations is significantly improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an open-air rock blasting warning device in the technical field of warning devices, which comprises a bearing bottom plate, moving wheels are mounted at four corners of the lower surface of the bearing bottom plate, four groups of long bolts are vertically connected in the bearing bottom plate, grounding cones are arranged at the bottoms of each group of long bolts, and a fixing cylinder is further mounted on the upper surface of the bearing bottom plate. An electric box is arranged on the outer side wall of the fixing cylinder, a lifting assembly is arranged in the fixing cylinder and comprises a connecting sliding sleeve, a penetrating sliding groove matched with the connecting sliding sleeve is formed in the outer wall of the right side of the fixing cylinder, a mounting table plate is connected to the outer side wall of the connecting sliding sleeve, and a rotating mechanism is arranged on the mounting table plate and comprises a driven fluted disc; according to the open-air rock blasting warning device, the height and the direction of the blasting warning alarm can be adjusted, when the open-air rock blasting warning device gives an alarm, the spread sound is farther, the spread sound can directly face people, the warning effect is better, and the safety during open-air rock blasting is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of alarm devices, in particular to an open-air rock blasting alarm device. Background Art

[0002] The open-pit rock blasting alarm device is a device used to sound an alarm during blasting operations in open-pit mines. When the alarm device sounds, personnel need to leave the blasting area immediately and can only return after confirming safety. This device plays a very important role in safety protection in mining operations and can effectively reduce the risks brought by blasting operations.

[0003] Before open-air rock blasting, the blasting alarm device needs to be installed. However, most of the existing blasting alarm devices are fixedly installed, and their installation height and orientation are mostly fixed. Affected by the open-air rock terrain, the sound propagated by the blasting alarm device at a fixed height is short, and the blasting alarm device at a fixed orientation cannot ensure that the sound propagated is directly facing the crowd. The warning effect is general, resulting in unsafe open-air rock blasting operations. For this reason, we propose an open-air rock blasting alarm device. Utility Model Content

[0004] The purpose of the utility model is to provide an open-air rock blasting alarm device to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An open-air rock blasting alarm device comprises a bearing base plate, movable wheels are installed at the four corners of the lower surface of the bearing base plate, and four groups of long bolts are vertically connected in the bearing base plate, and the bottom of each group of long bolts is provided with a grounding cone, and a fixed cylinder is also installed on the upper surface of the bearing base plate, and an electrical box is provided on the outer wall of the fixed cylinder, and a lifting assembly is provided in the fixed cylinder, and the lifting assembly comprises a connecting sleeve, and a through sliding groove matched with the connecting sleeve is opened on the right outer wall of the fixed cylinder, and a mounting table is connected to the outer wall of the connecting sleeve, and a rotating mechanism is provided on the mounting table, and the rotating mechanism comprises a driven gear plate, and the middle part of the lower surface of the driven gear plate is rotatably connected to the top of the mounting table plate through a bearing, and a blasting warning alarm is connected to the top of the driven gear plate.

[0007] Further: the lifting assembly also includes a stepper motor, which is located at the top of the fixed cylinder, and the output end of the stepper motor is connected to a screw rod, a support plate is installed on the lower inner wall of the fixed cylinder, the bottom end of the screw rod is rotatably connected to the upper surface of the support plate through a bearing, and a threaded seat is threadedly connected to the screw rod, and the outer wall of the threaded seat is connected to the side wall of the connecting sleeve.

[0008] Further: the rotating mechanism also includes an L-shaped side plate, the L-shaped side plate is located on the lower surface of the mounting plate, and a servo motor is installed on the upper surface of the L-shaped side plate, the output end of the servo motor is connected to a rotating shaft, a driving gear is installed on the top of the rotating shaft, and the driving gear is meshed and connected with the driven gear disc.

[0009] Furthermore: a battery pack is arranged in the electrical box, and a controller is installed on the outer wall of the electrical box.

[0010] Furthermore: a connecting plate is provided on the lower surface of the blast warning alarm, and a plurality of groups of bolts are vertically connected in the connecting plate, and the bottom of each group of bolts is threadedly connected to the driven gear disc.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model can drive the screw rod to rotate through the operation of the stepping motor, and the threaded seat connected to the screw rod threadably drives the blasting warning alarm on the mounting plate of the outer wall of the connecting sleeve to move up and down after being limited by the sliding of the connecting sleeve and the penetrating sliding groove, so that the sound of the open-air rock blasting alarm device when it alarms can be transmitted farther, and the operation of the servo motor can drive the active gear on the rotating shaft to rotate, because the active gear is meshed and connected with the driven gear plate, the blasting warning alarm on the top of the driven gear plate can be rotated to adjust the azimuth, so that the sound transmitted when the open-air rock blasting alarm device alarms can be directed to the crowd, the warning effect is better, and the safety during open-air rock blasting operation is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0015] Figure 3 This is a schematic diagram of the connection structure between the mounting platform and the blast warning alarm of the utility model.

[0016] In the figure: 1. load-bearing base plate; 2. moving wheel; 3. long bolt; 4. grounding cone; 5. fixing cylinder; 6. electrical box; 7. stepping motor; 8. through slide groove; 9. support plate; 10. mounting table; 11. blast warning alarm; 12. lead screw; 13. threaded seat; 14. connecting sleeve; 15. L-shaped side plate; 16. servo motor; 17. rotating shaft; 18. driving gear; 19. driven gear plate. DETAILED DESCRIPTION

[0017] 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.

[0018] Embodiment 1:

[0019] See also Figure 1-3 The utility model provides a technical solution: an open-air rock blasting alarm device, comprising a bearing base plate 1, movable wheels 2 are installed at the four corners of the lower surface of the bearing base plate 1, and four groups of long bolts 3 are vertically connected in the bearing base plate 1, and a grounding cone 4 is provided at the bottom of each group of long bolts 3, and a fixing cylinder 5 is also installed on the upper surface of the bearing base plate 1, and an electrical box 6 is provided on the outer wall of the fixing cylinder 5, and a lifting component is provided in the fixing cylinder 5, and the lifting component includes a connecting sleeve 14, and a through slide groove 8 adapted to the connecting sleeve 14 is opened on the right outer wall of the fixing cylinder 5, and a mounting plate 10 is connected to the outer wall of the connecting sleeve 14, and a rotating mechanism is provided on the mounting plate 10, and the rotating mechanism includes a driven gear disc 19, and the middle part of the lower surface of the driven gear disc 19 is rotatably connected to the top of the mounting plate 10 through a bearing, and a blasting warning alarm 11 is connected to the top of the driven gear disc 19.

[0020] The blasting warning alarm 11 is an existing device, and the specific working principle is not described here. The battery pack in the electrical box 6 supplies power to the electrical equipment, and the controller controls the operation of each electrical equipment. When in use, the blasting alarm device is moved to the working position of open-air rock blasting through the action of the four sets of moving wheels 2. Brake pedals are installed on the four sets of moving wheels 2. After pressing the brake pedal, the moving wheels 2 can be prevented from rolling. Then, the four sets of long bolts 3 are rotated to insert the grounding cone 4 at the bottom into the ground, thereby improving the stability of the entire blasting alarm device during operation; through the work of the lifting assembly, The connecting sleeve 14 can be driven to slide up and down in the through slide groove 8. Since the connecting sleeve 14 is fixedly connected to the mounting plate 10, the blasting warning alarm 11 on the mounting plate 10 moves up and down, so that the sound of the open-air rock blasting alarm device when it alarms can be transmitted farther. Through the operation of the rotating mechanism, the driven gear plate 19 can be driven to rotate, so that the blasting warning alarm 11 on the top of the driven gear plate 19 can be rotated to adjust the direction, so that the sound transmitted when the open-air rock blasting alarm device alarms can be directed to the crowd, the warning effect is better, and the safety during open-air rock blasting operations is improved.

[0021] Among them, preferably, the lifting assembly also includes a stepper motor 7, the stepper motor 7 is located at the top of the fixed cylinder 5, and the output end of the stepper motor 7 is connected to a screw rod 12, a support plate 9 is installed on the lower inner wall of the fixed cylinder 5, the bottom end of the screw rod 12 is rotatably connected to the upper surface of the support plate 9 through a bearing, and a threaded seat 13 is threadedly connected to the screw rod 12, and the outer wall of the threaded seat 13 is connected to the side wall of the connecting sleeve 14;

[0022] The support plate 9 is fixedly connected to the inner wall of the fixed tube 5, the threaded seat 13 is fixedly connected to the connecting sleeve 14, and the cross-section of the connecting sleeve 14 and the through-slot 8 is rectangular. The operation of the stepper motor 7 can drive the screw rod 12 to rotate forward or reverse. After the threaded seat 13 threadedly connected to the screw rod 12 is limited by the sliding connection between the connecting sleeve 14 and the through-slot 8, the connecting sleeve 14 moves up and down in the through-slot 8, thereby driving the blast warning alarm 11 on the mounting plate 10 to move.

[0023] Preferably, the rotating mechanism also includes an L-shaped side plate 15, which is located on the lower surface of the mounting plate 10, and a servo motor 16 is installed on the upper surface of the L-shaped side plate 15, and the output end of the servo motor 16 is connected to a rotating shaft 17, and a driving gear 18 is installed on the top of the rotating shaft 17, and the driving gear 18 is meshed and connected with a driven gear plate 19; the L-shaped side plate 15 is fixedly connected to the mounting plate 10, and the operation of the servo motor 16 can drive the driving gear 18 on the rotating shaft 17 to rotate. Since the driving gear 18 is meshed and connected with the driven gear plate 19 that is rotatably connected, the driven gear 19 rotates, so that the direction of the blast warning alarm 11 is adjusted.

[0024] Preferably, a battery pack is provided in the electrical box 6 , and a controller is installed on the outer wall of the electrical box 6 .

[0025] Embodiment 2:

[0026] Reference Figure 3 This embodiment is different from the first embodiment in that a connecting plate is provided on the lower surface of the blasting warning alarm 11, and a plurality of groups of bolts are vertically connected in the connecting plate, and the bottom of each group of bolts is threadedly connected to the driven gear plate 19; through the setting of the connecting plate and the plurality of groups of bolts, the blasting warning alarm 11 and the driven gear plate 19 can be quickly disassembled and assembled, which can facilitate the subsequent replacement of the blasting warning alarm 11, is simple and convenient to operate, and improves work efficiency.

[0027] 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 open-air rock blasting alarm device, comprising a bearing base plate (1), characterized in that: The four corners of the lower surface of the bearing base plate (1) are all equipped with moving wheels (2), and four groups of long bolts (3) are vertically connected in the bearing base plate (1), and the bottom of each group of long bolts (3) is provided with a grounding cone (4). The upper surface of the bearing base plate (1) is also equipped with a fixing cylinder (5), and the outer side wall of the fixing cylinder (5) is provided with an electrical box (6), and a lifting component is provided in the fixing cylinder (5), and the lifting component includes a connecting sleeve (14), and the fixing cylinder ( 5) is provided with a through slide groove (8) adapted to the connecting sleeve (14), and the outer side wall of the connecting sleeve (14) is connected to a mounting plate (10), and a rotating mechanism is provided on the mounting plate (10), and the rotating mechanism includes a driven gear disc (19), and the middle part of the lower surface of the driven gear disc (19) is rotatably connected to the top of the mounting plate (10) through a bearing, and the top of the driven gear disc (19) is connected to a blast warning alarm (11).

2. An open-air rock blasting alarm device according to claim 1, characterized in that: The lifting assembly further comprises a stepping motor (7), wherein the stepping motor (7) is located at the top of the fixing cylinder (5), and the output end of the stepping motor (7) is connected to a lead screw (12).

3. An open-air rock blasting alarm device according to claim 2, characterized in that: A support plate (9) is installed on the lower inner wall of the fixed cylinder (5); the bottom end of the screw rod (12) is rotatably connected to the upper surface of the support plate (9) via a bearing; a threaded seat (13) is threadedly connected to the screw rod (12); and the outer wall of the threaded seat (13) is connected to the side wall of the connecting sleeve (14).

4. The open-air rock blasting alarm device according to claim 1, characterized in that: The rotating mechanism further comprises an L-shaped side plate (15), wherein the L-shaped side plate (15) is located on the lower surface of the mounting platform (10), and a servo motor (16) is mounted on the upper surface of the L-shaped side plate (15).

5. An open-air rock blasting alarm device according to claim 4, characterized in that: The output end of the servo motor (16) is connected to a rotating shaft (17), a driving gear (18) is installed on the top of the rotating shaft (17), and the driving gear (18) is meshedly connected with a driven gear disc (19).

6. The open-air rock blasting alarm device according to claim 1, characterized in that: A battery pack is arranged inside the electrical box (6), and a controller is installed on the outer wall of the electrical box (6).

7. The open-air rock blasting alarm device according to claim 1, characterized in that: The lower surface of the blast warning alarm (11) is provided with a connecting plate, and a plurality of groups of bolts are vertically connected in the connecting plate, and the bottom of each group of bolts is threadedly connected to the driven gear disc (19).