Explosive filling height measuring system
By designing a system for measuring explosive filling height, using probe rods and photoelectric switches to detect explosive height, and automatically controlling the filling device through the controller, the problems of inaccurate manual measurement and frequent start and stop times of the device are solved, and efficient and accurate explosive filling is achieved.
Patent Information
- Application Number
- CN202422209902.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-09
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-09
AI Technical Summary
In the prior art, manually measuring the height of explosives in the gun hole through a measuring rope increases labor intensity, inaccurate measurements, and increases the number of start and stops of the explosive filling device, reducing efficiency and shortening service life.
An explosive filling height measurement system is designed, including probe rods, photoelectric switches, wire harnesses and controllers. The probe rod is placed in the gun hole, the photoelectric switch detects the height of the explosive in the protective cover and issues an electrical signal. The controller controls the filling device to automatically shut down according to the signal.
Automatic filling is realized, labor intensity is reduced, filling accuracy is improved, device starts and stops times, filling efficiency is improved, and device service life is extended.
Smart Images
Figure CN223005468U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of blasting, and particularly relates to a measuring system for the filling height of explosives. Background Art
[0002] During the on-site blasting process in the civil explosive industry, explosive mixing trucks have been widely used. When filling explosives into the blast holes of an explosive mixing truck by using an explosive filling device, generally, the operation of the explosive filling device is stopped first, and then, manually, a measuring rope is used to continuously measure the height of the explosives filled in the blast holes; the above-mentioned measuring method not only significantly increases the labor intensity, the measured filling height is also inaccurate, but also increases the start-stop times of the explosive filling device, seriously reducing the efficiency of explosive filling, and at the same time shortening the service life of the explosive filling device. Content of the Utility Model
[0003] In view of this, the utility model provides a measuring system for the filling height of explosives to solve the problems that the measuring method of manually using a measuring rope to continuously measure the height of the explosives filled in the blast holes not only significantly increases the labor intensity, the measured filling height is also inaccurate, but also increases the start-stop times of the explosive filling device, seriously reducing the efficiency of explosive filling, and at the same time shortening the service life of the explosive filling device.
[0004] The utility model provides a measuring system for the filling height of explosives, including:
[0005] A probe rod, with a protective cover at its end, and a plurality of feed holes are provided on the protective cover; the probe rod is adapted to be placed in a blast hole, and the protective cover is arranged at the outlet away from the blast hole;
[0006] A photoelectric switch, arranged in the protective cover; the photoelectric switch is adapted to emit an electrical signal when explosives enter the protective cover;
[0007] A wire harness, composed of a signal line and a power line arranged in parallel; a support member is fixed along the length direction of the wire harness, and one end of the wire harness is connected to the photoelectric switch; the support member is adapted to keep the wire harness in a straight state, and the wire harness is arranged along the length direction of the probe rod; dimension scales are provided on the wire harness, and the dimension scales are adapted to represent the height of the photoelectric switch in the blast hole;
[0008] A controller, which is connected to the output end of the signal line and is in signal connection with the explosive filling device; the controller is adapted to stop the explosive filling operation of the explosive filling device when receiving the electrical signal of the photoelectric switch through the signal line. Beneficial effects: By adopting the above technical solution, when the photoelectric switch senses the explosive filled to the set height in the blast hole, the controller is used to control the explosive filling device to stop filling the explosive, which is convenient for realizing automation, significantly reducing the labor intensity, improving the filling accuracy of the blast hole, significantly reducing the start-stop times of the explosive filling device, significantly improving the filling efficiency of the explosive, and at the same time extending the service life of the explosive filling device.
[0009] Optionally, it further includes:
[0010] A transmitter, which is connected to the output end of the signal line;
[0011] A receiver, which is wirelessly connected to the transmitter and is in signal connection with the controller. Beneficial effects: By adopting the above technical solution, the filling of explosives can be remotely controlled.
[0012] Optionally, it further includes:
[0013] A power supply, which is connected to the plug provided at the input end of the power line through a socket, and the power supply is electrically connected to the transmitter. The power supply is adapted to supply power to the photoelectric switch and the transmitter.
[0014] Optionally, the socket is a waterproof aviation socket and the plug is a waterproof aviation plug.
[0015] Optionally, both the power supply and the transmitter are located in a storage bag, and a socket is provided on the outer surface of the storage bag. Beneficial effects: By adopting the above technical solution, it is convenient to store the power supply and the transmitter.
[0016] Optionally, both the controller and the receiver are located in a control box.
[0017] Optionally, the photoelectric switch is a U-shaped photoelectric switch.
[0018] Optionally, the support member is a metal wire.
[0019] Optionally, the metal wire is a steel wire.
[0020] Optionally, the controller is a PLC controller. Description of the Drawings
[0021] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0022] Figure 1 It is a schematic diagram of the explosive filling height measurement system provided in the embodiment of the present invention;
[0023] Figure 2 It is a partial structural schematic diagram of the explosive filling height measurement system provided in the embodiment of the present invention.
[0024] Explanation of reference numerals:
[0025] 1. Wiring harness; 2. Probe rod; 3. End; 4. Photoelectric switch; 5. Protective cover; 6. Feeding hole; 7. Storage bag; 8. Transmitter; 9. Receiver; 10. Control box; 11. Controller. Specific embodiments
[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0027] As Figures 1 to 2 shown, a specific embodiment of the explosive filling height measurement system includes: a probe rod 2, a photoelectric switch 4, a wiring harness 1, a controller 11, a transmitter 8, a receiver 9, and a power source. Specifically, the photoelectric switch 4 is a U-shaped photoelectric switch, the controller 11 is a PLC controller, the power source is a battery, and the battery can be connected to a switch for controlling its on-off. The battery has functions of explosion protection, overvoltage detection, overcurrent detection, over-discharge detection, short-circuit detection, and temperature protection. The probe rod 2, the photoelectric switch 4, and the wiring harness 1 constitute a detection unit, and the transmitter 8 and the receiver 9 constitute a wireless transmission unit. The explosive filling height measurement system of the present application can be used in conjunction with various types of explosive mixing vehicles to achieve the purpose of automatically stopping the explosive filling device when the explosive filling device fills the blast holes of the explosive mixing vehicle with explosives to a set height, and can be applied to on-site blasting in the civil explosive industry.
[0028] As Figure 1 shown, a protective cover 5 is provided at the end 3 of the probe rod 2, asFigure 2 As shown, a plurality of feed holes 6 are provided on the protective cover 5; the plurality of feed holes 6 can be arranged circumferentially on the protective cover 5. The probe rod 2 is adapted to be placed in the blast hole, and the protective cover 5 is arranged away from the outlet of the blast hole. The photoelectric switch 4 is arranged in the protective cover 5; the photoelectric switch 4 is adapted to emit an electrical signal when explosives enter the protective cover 5. The wire harness 1 is composed of a signal line and a power line arranged in parallel; a support member is fixed along the length direction of the wire harness 1. Specifically, the support member is a metal wire. More specifically, the metal wire is a steel wire. One end of the wire harness 1 is connected to the photoelectric switch 4; the support member is adapted to keep the wire harness 1 in a straight state, and the wire harness 1 is arranged along the length direction of the probe rod 2. The wire harness 1 can extend beyond the length of the probe rod 2 and extend towards the muzzle of the blast hole; a size scale is provided on the wire harness 1, and the size scale is adapted to represent the height of the photoelectric switch 4 in the blast hole. Of course, if the length of the probe rod 2 is relatively long, a size scale indicating the height of the photoelectric switch 4 in the blast hole can also be provided on the probe rod 2. The transmitter 8 is connected to the output end of the signal line, and the transmitter 8 receives the electrical signal of the photoelectric switch 4 through the signal line; the receiver 9 is wirelessly connected to the transmitter 8, and the receiver 9 is signal-connected to the controller 11. The transmitter 8 converts the collected electrical signal of the photoelectric switch 4 into a wireless signal and sends it out; the receiver 9 amplifies and decodes the received wireless signal and transmits it to the controller 11. The controller 11 is signal-connected to the explosive filling device; the controller 11 is adapted to stop the explosive filling operation of the explosive filling device when receiving the electrical signal of the photoelectric switch 4 through the signal line and wireless transmission. The power supply is connected to the plug provided at the input end of the power line through a socket, and the power supply is electrically connected to the transmitter 8. The power supply is adapted to supply power to the photoelectric switch 4 and the transmitter 8. Specifically, the socket is a waterproof aviation socket, and the plug is a waterproof aviation plug. Of course, the cooperation between the plug and the socket can also be replaced by the cooperation of interfaces. Through the interface cooperation, the signal line is connected to the transmitter 8, and the power line is connected to the power supply.
[0029] Further, both the power supply and the transmitter 8 are located in the storage bag 7, and a socket is provided on the outer surface of the storage bag 7. The controller 11 and the receiver 9 are both located in the control box 10.
[0030] The usage process and principle of the explosive filling height measurement system described in this application are briefly described as follows: Fix the U-shaped photoelectric switch inside the protective cover 5 at the end 3 of the probe rod 2; Connect the wire harness 1 to the power supply and the transmitter 8, and turn on the power switch; Lower the probe rod 2 from the muzzle of the blast hole to the predetermined filling height through the wire harness 1 with size scales, and wait for the explosive to be filled; The controller starts the explosive filling device, and the explosive filling device starts to fill the blast hole with explosives. The explosives approach the feeding hole 6 of the protective cover 5 from the bottom up inside the blast hole. When the explosives enter the feeding hole 6, the explosives flow towards the U-shaped photoelectric switch, causing the U-shaped photoelectric switch to detect the explosives. The U-shaped photoelectric switch emits an electrical signal, which is transmitted to the transmitter 8 through the signal wire, and then transmitted to the receiver 9 wirelessly. The receiver 9 transmits the electrical signal to the controller 11, and then the controller 11 stops the operation of filling the blast hole with explosives by the explosive filling device.
[0031] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.
Claims
1. An explosive filling height measurement system, characterized in that: include: A probe rod (2) is provided with a protective cover (5) at its end (3), and a plurality of feed holes (6) are provided on the protective cover (5); the probe rod (2) is suitable for being placed in a blast hole, and the protective cover (5) is arranged away from the outlet of the blast hole; A photoelectric switch (4) is arranged in the protective cover (5); the photoelectric switch (4) is adapted to emit an electrical signal when explosives enter the protective cover (5); A wire harness (1) is composed of a signal wire and a power wire arranged in parallel; a support is fixed to the wire harness (1) along the length direction, and one end of the wire harness (1) is connected to the photoelectric switch (4); the support is suitable for keeping the wire harness (1) in a straight state, and the wire harness (1) is arranged along the length direction of the probe rod (2); a size scale is provided on the wire harness (1), and the size scale is suitable for indicating the height of the photoelectric switch (4) in the blast hole; A controller (11) is connected to the output end of the signal line, and the controller (11) is signal-connected to the explosive filling device; the controller (11) is adapted to stop the explosive filling operation of the explosive filling device when receiving an electrical signal from the photoelectric switch (4) through the signal line.
2. The explosive filling height measuring system according to claim 1, characterized in that: Also includes: A transmitter (8) connected to the output end of the signal line; The receiver (9) is connected to the transmitter (8) in a wireless manner, and the receiver (9) is signal-connected to the controller (11).
3. The explosive filling height measuring system according to claim 2, characterized in that: Also includes: A power supply is connected to a plug provided at the input end of the power line via a socket, and the power supply is electrically connected to the transmitter (8), and the power supply is suitable for supplying power to the photoelectric switch (4) and the transmitter (8).
4. The explosive filling height measuring system according to claim 3, characterized in that: The socket is a waterproof aviation socket, and the plug is a waterproof aviation plug.
5. The explosive filling height measuring system according to claim 3 or 4, characterized in that: The power source and the transmitter (8) are both located in the storage bag (7), and a socket is provided on the outer surface of the storage bag (7).
6. The explosive filling height measuring system according to any one of claims 2 to 4, characterized in that: The controller (11) and the receiver (9) are both located in the control box (10).
7. The explosive filling height measuring system according to any one of claims 1 to 4, characterized in that: The photoelectric switch (4) is a U-shaped photoelectric switch.
8. The explosive filling height measuring system according to any one of claims 1 to 4, characterized in that: The supporting member is a metal wire.
9. The explosive filling height measuring system according to claim 8, characterized in that: The metal wire is a steel wire.
10. The explosive filling height measuring system according to any one of claims 1 to 4, characterized in that: The controller (11) is a PLC controller.