Safety positioning and monitoring device for underground coal mine transportation

Abstract

The utility model discloses a safety positioning and monitoring device for underground coal mine transportation, which belongs to the technical field of transportation safety monitoring and comprises a mine car box and rail wheels used for transportation and arranged below the mine car box, the rail wheels are installed and arranged through a base arranged below the mine car box, and a distance measuring reflecting plate is downwards arranged at the bottom of the mine car box. A distance measuring sensor is further arranged on one side of the surface of the distance measuring reflecting plate, meanwhile, a central processing unit connected with one side of the distance measuring sensor is used for receiving, processing and analyzing signals, and after the distance measuring sensor monitors that the distance between adjacent mine car boxes is too large, the central processing unit can also enable a rotating pipe to rotate at the moment, and then the braking effect on the rail wheels is achieved; and the transportation safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation safety monitoring, in particular to a transportation safety positioning and monitoring device for coal mines underground. Background Technique

[0002] A mine car is a narrow-gauge railway handling vehicle for transporting bulk materials such as coal, ore, and waste rock in coal mines underground. Generally, it must be towed by a locomotive or a winch. Mine cars are divided into 5 categories according to different structures and unloading methods: fixed mine cars (material cars, flat cars), dump mine cars, single-side curved rail side-dumping mine cars, bottom (side)-dumping mine cars, and shuttle mine cars. When materials need to be transported in coal mines underground, multiple groups of mine cars are connected to each other, and then the materials can be efficiently transported.

[0003] For example, in the Chinese Patent Database, the utility model patent with the publication number CN218367789U discloses a safe transportation mine car, which can connect adjacent mine cars through its mine car and transport and displace them together.

[0004] In the prior art, most of the connections between mine cars are made by pins or other means. However, after the connection, the following disadvantages are likely to occur: 1. When one of the mine cars becomes detached during transportation after the connection, the operator at the front end cannot promptly discover the danger, and then a safety accident will occur; 2. The detached mine car cannot be braked. Content of the Utility Model

[0005] Aiming at the above-mentioned existing technical deficiencies, the purpose of the utility model is to provide a transportation safety positioning and monitoring device for coal mines underground. After the distance measurement sensor detects that the distance between adjacent mine carriages is too large, the central processor rotates the rotating tube at this time, and then brakes the track wheels to improve transportation safety.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme: A transportation safety positioning and monitoring device for coal mines underground, including a mine carriage, and track wheels for transportation below the mine carriage. At the same time, the track wheels are installed through a base provided below the mine carriage. A distance measurement reflector is arranged downward at the bottom of the mine carriage, and a distance measurement sensor is also arranged on one side of the surface of the distance measurement reflector. At the same time, the central processor connected to one side of the distance measurement sensor receives, processes, analyzes signals.

[0007] Preferably, mounting seats are also arranged on both sides of the base, and two mounting seats on the same side as the track wheels are arranged opposite to each other. At the same time, brake pads are arranged opposite to each other on one side of the surface of the track wheels, and positioning rods and threaded rods are distributed from top to bottom on the outer surface of the brake pads.

[0008] Preferably, the positioning tube provided on the surface of the mounting seat is penetrated by a positioning rod, and a rotating tube is sleeved on the outer surfaces of two opposite threaded rods. The rotating tube is provided with an open structure at both ends, and threaded threads are arranged to extend inward from its opening.

[0009] Preferably, a worm gear is further arranged in the middle of the outer peripheral surface of the rotating tube. The worm gear is driven by a worm gear meshed and connected below, and two opposite threaded threads are arranged in opposite directions.

[0010] Preferably, a double-headed motor is arranged below the ranging reflector. The power output end of the double-headed motor is connected to a rotating shaft, and the worm is arranged at both ends of the rotating shaft.

[0011] Preferably, a scraper is arranged on one side of the surface of the ranging reflector, and clamping blocks are respectively arranged at both ends of the scraper. The clamping blocks are slidably clamped on both sides of the ranging reflector.

[0012] Preferably, reciprocating threaded grooves are respectively arranged on both sides of the outer peripheral surface of the rotating shaft, and a moving ring is sleeved on the outer peripheral surface of the reciprocating threaded groove. One end of the reciprocating hole opened through the moving ring is penetrated by the rotating shaft.

[0013] Preferably, one end of the inlaid block provided on the inner wall of the reciprocating hole extends into the path of the reciprocating threaded groove.

[0014] Preferably, the moving ring and the scraper are connected by a push rod, and both ends of the push rod are movably connected to the surfaces of the moving ring and the scraper respectively.

[0015] Preferably, connecting seats for connecting other mine carriages are respectively arranged at both ends of the base, and the connecting seats are connected to the couplers to complete the connection of multiple groups of mine carriages.

[0016] 1. The beneficial effects of the present invention are as follows: During the daily transportation and braking of the mine carriage, at this time, the central processor sends a signal to make the double-headed motor rotate. After the double-headed motor operates, the worm connected to the power output end of the double-headed motor can rotate together. After the worm rotates and drives the worm gear meshed above, at this time, after the rotating tube rotates forward or backward, the track wheel can be braked. And after the ranging sensor detects that the distance between adjacent mine carriages is too large, at this time, the central processor can also make the rotating tube rotate, thereby achieving the effect of braking the track wheel to improve transportation safety.

[0017] 2. The beneficial effects of the present utility model are as follows: During the daily transportation braking process of the mine car body, at this time, the central processing unit emits a signal to make the double-headed motor rotate. After the double-headed motor operates, the worm gear connected to the power output end of the double-headed motor can rotate together. After the worm gear rotates and drives the meshing worm wheel above, at this time, after the rotating tube rotates forward or backward, the track wheel can be braked. And after the ranging sensor detects that the distance between adjacent mine car bodies is too large, at this time, the central processing unit can also make the rotating tube rotate, thereby achieving the effect of braking the track wheel to improve transportation safety.

[0018] 3. The beneficial effects of the present utility model are as follows: During the normal operation braking and stop braking processes of the brake pads, at this time, the rotating shaft can rotate forward or backward through the double-headed motor. After the rotating shaft rotates forward and backward, the moving ring provided on the outer peripheral surface of the rotating shaft can reciprocate to both sides. After the two moving rings reciprocate towards each other at the same time, the scraper provided thereon can clean the area monitored by the ranging reflector to prevent some large impurities from affecting the ranging sensor reflection monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure provided by an embodiment of the present utility model.

[0021] Figure 2 It is a schematic diagram of the bottom view structure of the mine car body provided by an embodiment of the present utility model Figure 1 .

[0022] Figure 3 It is a schematic diagram of the bottom view structure of the mine car body provided by an embodiment of the present utility model Figure 2 .

[0023] Figure 4 It is a schematic diagram of the brake pad structure provided by an embodiment of the present utility model.

[0024] Figure 5 It is a schematic diagram of the top view structure of the brake pad provided by an embodiment of the present utility model.

[0025] Figure 6 It is provided by an embodiment of the present utility model along Figure 5 The schematic cross-sectional structure diagram of the A-A section in

[0026] Figure 7Explosion structure schematic diagram of the scraper and the rotating shaft provided by the embodiment of the present utility model.

[0027] Explanation of reference numerals:

[0028] 1 - Mine car box; 11 - Connecting seat; 12 - Base; 13 - Track wheel; 2 - Distance measuring reflector; 3 - Mounting seat; 31 - Positioning tube; 4 - Double - head motor; 41 - Rotating shaft; 42 - Worm; 43 - Reciprocating thread groove; 5 - Distance measuring sensor; 6 - Central processing unit; 7 - Brake pad; 71 - Positioning rod; 72 - Threaded rod; 8 - Rotating tube; 81 - Worm gear; 82 - Thread wire; 9 - Scraper; 91 - Clamping block; 92 - Push rod; 93 - Moving ring; 94 - Reciprocating hole. Specific implementation manners

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Embodiment 1

[0031] As Figures 1 to 3 shown, the present utility model provides a safety positioning and monitoring device for underground coal mine transportation, including a mine car box 1 for transporting ores underground in a coal mine. A base 12 is provided at the bottom of the mine car box 1, and connecting seats 11 for connecting other mine car boxes 1 are respectively provided at both ends of the base 12. Connecting the connecting seat 11 with a coupler can complete the connection of multiple mine car boxes 1. And track wheels 13 for rolling displacement are respectively provided on both sides of the bottom of the base 12. After the track wheels 13 roll on the track, the ores inside the mine car box 1 can be transported.

[0032] At the same time, a distance measuring reflector 2 is provided downward at the bottom of the mine car box 1, and a distance measuring sensor 5 is provided on one side of the surface of the distance measuring reflector 2. The signal emitted by the distance measuring sensor 5 can be reflected by the distance measuring reflector 2. Subsequently, the signal is received, processed, and analyzed by the central processing unit 6 connected to one side of the distance measuring sensor 5. And a power supply is provided at the bottom of the mine car box 1, and the power supply can supply power to the central processing unit 6 and the distance measuring sensor 5. And the numerical range of the reaction and processing after the central processing unit 6 receives the signal is the activity interval between two adjacent mine car boxes 1. Therefore, when a column of mine car boxes 1 is in transportation, if one of the mine car boxes 1 becomes detached, and then the distance value between the two detached mine car boxes 1 and the mine car box 1 in front becomes larger, it can be received and processed by the central processing unit 6. To achieve a safety monitoring effect.

[0033] Example Two

[0034] As Figures 2 to 6 shown, mounting seats 3 are also provided on both sides of the base 12, and two mounting seats 3 on the same side as the track wheels 13 are arranged oppositely. Brake pads 7 are arranged oppositely on one side of the surface of the track wheels 13. At the same time, positioning rods 71 and threaded rods 72 are distributed from top to bottom on one side of the outer surface of the brake pads 7. The positioning tubes 31 provided on the surface of the mounting seats 3 can be penetrated by the positioning rods 71. A rotating tube 8 is sleeved on the outer surfaces of the two opposite threaded rods 72. The rotating tube 8 is provided with an open structure at both ends. At the same time, threaded threads 82 extend inward from its openings. The two opposite threaded threads 82 are arranged oppositely in terms of positive and negative. At the same time, a worm gear 81 is also provided in the middle of the outer peripheral surface of the rotating tube 8. The worm gear 81 is driven by a worm 42 engaged and connected below. Therefore, after the worm 42 rotates, the worm gear 81 can start to rotate. After the worm gear 81 rotates, the rotating tube 8 can rotate together.

[0035] A double-headed motor 4 is provided below the ranging reflector 2. The power output end of the double-headed motor 4 is connected with a rotating shaft 41, and the worm 42 is arranged at both ends of the rotating shaft 41. And the central processor 6 can drive the double-headed motor 4 to operate. Therefore, during the daily transportation and braking process of the ore car body 1, at this time, the central processor 6 sends a signal to make the double-headed motor 4 rotate. After the double-headed motor 4 operates, the worm 42 connected to the power output end of the double-headed motor 4 can rotate together. After the worm 42 rotates and drives the worm gear 81 engaged above, at this time, after the rotating tube 8 rotates forward or backward, the track wheels 13 can be braked. And after the ranging sensor 5 detects that the distance between adjacent ore car bodies 1 is too large, at this time, the central processor 6 can also make the rotating tube 8 rotate, and then play a role in braking the track wheels 13 to improve transportation safety.

[0036] Example Three

[0037] As Figure 2 and Figure 7 shown, a scraping plate 9 is provided on one side of the surface of the ranging reflector 2, and clamping blocks 91 are respectively provided at both ends of the scraping plate 9. The clamping blocks 91 are slidably clamped on both sides of the ranging reflector 2, enabling the scraping plate 9 to slide on the surface of the ranging reflector 2.

[0038] Meanwhile, reciprocating threaded grooves 43 are respectively arranged on both sides of the outer peripheral surface of the rotating shaft 41. A moving ring 93 is sleeved on the outer peripheral surface of the reciprocating threaded groove 43. One end of the reciprocating hole 94 penetratingly opened in the moving ring 93 is penetrated by the rotating shaft 41, and one end of the insert block provided on the inner wall of the reciprocating hole 94 extends into the path of the reciprocating threaded groove 43. Therefore, through the mutual cooperation of the insert block and the reciprocating threaded groove 43, the moving ring 93 can perform reciprocating displacement, that is, the moving ring 93 can reciprocate when the rotating shaft 41 rotates. At the same time, the moving ring 93 and the scraping plate 9 are connected by a push rod 92. Therefore, during the normal operation of braking and the process of stopping braking of the brake pad 7, at this time, the rotating shaft 41 can rotate forward or backward through the double-headed motor 4. After the rotating shaft 41 rotates forward and backward, the moving ring 93 provided on the outer peripheral surface of the rotating shaft 41 can reciprocate to both sides. After the two moving rings 93 reciprocate and move towards each other at the same time, the scraping plate 9 provided thereon can clean the area monitored by the ranging reflector 2, so as to prevent some large impurities from affecting the reflection monitoring of the ranging sensor 5.

[0039] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims

1. A safety positioning monitoring device for underground transportation in a coal mine, comprising a mine car box and a rail wheel for transportation under the mine car box, wherein the rail wheel is installed through a base arranged under the mine car box, and is characterized in that: A ranging reflector is arranged downwardly at the bottom of the mine car box, and a ranging sensor is also arranged on one side of the surface of the ranging reflector. A central processing unit connected to one side of the ranging sensor performs signal reception, processing and analysis.

2. A coal mine underground transportation safety positioning monitoring device as claimed in claim 1, characterized in that: Mounting seats are also arranged on both sides of the base, and two mounting seats on the same side as the track wheel are arranged oppositely, a brake pad is arranged oppositely on one side of the track wheel surface, and a positioning rod and a threaded rod are distributed from top to bottom on one side of the outer surface of the brake pad.

3. A coal mine underground transportation safety positioning monitoring device as claimed in claim 2, characterized in that: The positioning tube provided on the surface of the mounting seat is penetrated by the positioning rod, and the outer surfaces of the two opposite threaded rods are sleeved with a rotating tube, which is open at both ends and has threads extending inwardly from the opening.

4. A coal mine underground transportation safety positioning monitoring device as claimed in claim 3, characterized in that: A worm wheel is also arranged in the middle of the outer peripheral surface of the rotating tube. The worm wheel is driven by a worm screw meshingly connected below, and two opposite thread threads are arranged opposite to each other.

5. A coal mine underground transportation safety positioning monitoring device as claimed in claim 4, characterized in that: A double-headed motor is arranged below the ranging reflector plate, a power output end of the double-headed motor is connected with a rotating shaft, and a worm is arranged at both ends of the rotating shaft.

6. A coal mine underground transportation safety positioning monitoring device as claimed in claim 5, characterized in that: A scraper is arranged on one side of the surface of the distance measuring reflector plate, and clamping blocks are respectively arranged at both ends of the scraper plate, and the clamping blocks are slidably clamped on the two sides of the distance measuring reflector plate.

7. A coal mine underground transportation safety positioning monitoring device as claimed in claim 6, characterized in that: Reciprocating thread grooves are respectively arranged on both sides of the outer circumference of the rotating shaft, and a moving ring is sleeved on the outer circumference of the reciprocating thread groove, and a reciprocating hole is opened at one end of the moving ring.

8. A coal mine underground transportation safety positioning monitoring device as claimed in claim 7, characterized in that: One end of the insert block provided on the inner ring wall of the reciprocating hole extends into the path of the reciprocating thread groove.

9. A coal mine underground transportation safety positioning monitoring device as claimed in claim 8, characterized in that: The moving ring and the scraper are connected via a push rod, and two ends of the push rod are movably connected to the moving ring and the scraper surface respectively.

10. A coal mine underground transportation safety positioning monitoring device as claimed in claim 9, characterized in that: Both ends of the base are respectively provided with connection seats for connecting other mine car boxes, and multiple groups of mine car boxes are connected to the hooks through the connection seats to form a connection.

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