Pedal control device for explosive mixing system of granular ammonium nitrate fuel oil explosive on-site mixing and loading truck

Abstract

The utility model relates to the technical field of blast hole blasting, in particular to a pedal control device for a mixing system of a granular ammonium nitrate fuel oil explosive on-site mixing and charging truck, which comprises an anti-explosion pedal switch connected onto a base and connected with an input point for controlling start and stop of charging by a PLC (programmable logic controller) in an operation box in a cab through a cable. Compared with the prior art, only one operator is needed to complete the filling work of the blast hole, the efficiency is high, and the labor intensity and the labor cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to blasthole blasting technical field especially relates to granular ammonium oil explosive on -the -spot mixed loading truck mixed medicine system foot control device. BACKGROUND

[0002] Porous granular ammonium oil explosive is with porous granular ammonal as main component, with certain proportion light diesel oil, mechanical mixing and is prepared one kind of non cap sensitivity industrial explosive, the main working principle of porous ammonium oil explosive on -the -spot mixed loading truck: mixed loading truck loads porous granular ammonium nitrate and diesel oil, drives into the blasthole blasting site, and through the on -vehicle mixed system, it is filled into the blasthole after being mixed fully.

[0003] Since the operation box and the on -vehicle control system are installed in the cab, the filling amount of the blasthole cannot be directly observed by the operator due to the limitation of the field of vision, so an operator is added to observe the filling amount of the blasthole outside, but this method is not only slow in efficiency, but also the operator outside needs to shout loudly or use gestures to indicate to the operator in the cab, which increases the labor intensity of the operator, therefore, a granular ammonium oil explosive on -the -spot mixed loading truck mixed medicine system foot control device is needed, which can complete the filling work of the blasthole with only one operator, which is not only fast in efficiency, but also can reduce the labor intensity and labor cost. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that: provide a kind of granular ammonium oil explosive on -the -spot mixed loading truck mixed medicine system foot control device, only one operator can complete the filling work of blasthole, not only efficiency is fast, also can reduce labor intensity and labor cost.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme that: a kind of granular ammonium oil explosive on -the -spot mixed loading truck mixed medicine system foot control device, including the operation box in the cab, operation box is equipped with button, button includes diesel pump, inclined screw, lifts / down, mixed screw, quantitative screw, cooling fan, swing in / out, power switch and charge start-stop, including;

[0006] Explosion-proof pedal switch, explosion-proof pedal switch is connected on base, explosion-proof pedal switch is connected with the input point of PLC control charge start-stop in operation box in cab by cable.

[0007] Further, the explosion-proof pedal switch comprises a base, a pedal body, a fixing seat, a rotating shaft, an elastic mechanism and a terminal box, the fixing seat is connected to the base, the rotating shaft is rotatably connected to the fixing seat, the axial direction of the rotating shaft is Y direction, one end of the pedal body is fixedly connected to the rotating shaft, the elastic mechanism is located between the pedal body and the base, the elastic mechanism is used for resetting the pedal body, the terminal box is connected to the base, a through hole is arranged in the terminal box, one end of the rotating shaft penetrates through the through hole and is located in the terminal box, the terminal box is circular, the rotating shaft is coaxial with the terminal box, a start-stop device is arranged in the terminal box, the start-stop device is connected to a PLC control system charging start-stop input point in an operation box in a cab through a cable, a trigger point is arranged on the start-stop device, one end of the through hole penetrating through the rotating shaft is provided with a copper sheet, and the copper sheet is located in the terminal box.

[0008] In a certain state, the pedal body swings downward, the copper sheet abuts against the trigger point of the start-stop device, the start-stop device is started, and the blast hole is dosed.

[0009] Further, the explosion-proof pedal switch comprises a base, a pedal body, a fixing seat, a rotating shaft, an elastic mechanism and a terminal box, the fixing seat is connected to the base, the rotating shaft is rotatably connected to the fixing seat, the axial direction of the rotating shaft is Y direction, one end of the pedal body is fixedly connected to the rotating shaft, the elastic mechanism is located between the pedal body and the base, the elastic mechanism is used for resetting the pedal body, the terminal box is connected to the base, a through hole is arranged in the terminal box, one end of the rotating shaft penetrates through the through hole and is located in the terminal box, the terminal box is circular, the rotating shaft is coaxial with the terminal box, a start-stop device is arranged in the terminal box, the start-stop device is connected to a PLC control system charging start-stop input point in an operation box in a cab through a cable, a trigger point is arranged on the start-stop device, one end of the through hole penetrating through the rotating shaft is provided with a copper sheet, and the copper sheet is located in the terminal box.

[0010] In the first state, the pedal body is not moved, the rotating shaft is not rotated, the copper sheet does not abut against the start-stop column and the three valve switch columns, the start-stop device is not started, and the three rectangular discs are closed.

[0011] In the second state, the pedal body swings downward, the rotating shaft is rotated by a certain angle, the copper sheet abuts against the start-stop column and one valve switch column, the first rectangular disc is opened, and the start-stop device is started.

[0012] In the third state, the pedal body swings downward, the rotating shaft is rotated by a certain angle, the copper sheet abuts against the start-stop column and two valve switch columns, the first rectangular disc and the second rectangular disc are opened, and the start-stop device is started.

[0013] In the fourth state, the pedal body swings downward, the rotating shaft rotates by a certain angle, the copper sheet abuts against the start-stop column and the three valve switch columns, the first, second and third rectangular discs are opened, and the start-stop device is opened.

[0014] Further, the elastic mechanism comprises a first spring, a second spring and a third spring, one end of the first spring is connected to the base, the other end of the first spring is connected to the lower part of the X-direction side of the pedal body, one end of the second spring is connected to the bottom plate, the height of the second spring is less than that of the first spring, the second spring is coaxial with the first spring, one end of the third spring is connected to the bottom plate, and the height of the third spring is less than that of the second spring.

[0015] In the first state, none of the three springs is compressed.

[0016] In the second state, the first spring is compressed.

[0017] In the third state, the first spring and the second spring are compressed.

[0018] In the fourth state, the three springs are compressed simultaneously.

[0019] Further, the radius of the first spring is greater than that of the second spring, and the radius of the second spring is greater than that of the third spring.

[0020] Further, the start-stop column and the three valve switch columns are located on the X-direction side of the junction box, and four openings are arranged on the outer circumference of the X-direction side of the junction box, one of which is used for the cable of the start-stop device to pass through, and the other three are used for the cables of the valve switch columns to pass through.

[0021] The beneficial effects of the present application are that, compared with the prior art, only one operator is needed to complete the filling work of the blast hole, which not only improves the efficiency, but also reduces the labor intensity and labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the foot control device of the granular ammonium oil explosive on-site mixing and loading vehicle mixing system of the present application;

[0023] Figure 2 It is a structure schematic view of the rectangular pipe of the foot control device of the granular ammonium oil explosive on-site mixing and loading vehicle mixing system of the present application;

[0024] Figure 3 It is the state of opening of the three rectangular discs of the rectangular pipe;

[0025] Figure 4 It is the state of opening of the first and second rectangular discs of the rectangular pipe;

[0026] Figure 5The first rectangular disc of the rectangular pipe is opened.

[0027] Label description.

[0028] 1, explosion-proof pedal switch; 11, pedal body;

[0029] 2, base;

[0030] 3, fixed seat;

[0031] 4, rotating shaft; 41, copper sheet;

[0032] 5, elastic mechanism; 51, first spring; 52, second spring; 53, third spring;

[0033] 6, junction box; 61, through hole; 62, start-stop device; 621, start-stop column; 622, valve switch column; 63, opening;

[0034] 7, rectangular pipe; 71, valve device; 711, first rotating shaft; 7111, first rectangular disc; 712, second rotating shaft; 7121, second rectangular disc; 713, third rotating shaft; 7131, third rectangular disc. DETAILED DESCRIPTION

[0035] In order to explain the technical content, the purpose and effect of the present application in detail, the following will be described in conjunction with the drawings.

[0036] Please refer to Figures 1 to 5 A granular ammonium oil explosive site mixing vehicle mixing system foot control device, including the operation box in the cab, the operation box is equipped with buttons, the buttons include diesel pump, inclined spiral, lifting / down, mixing spiral, quantitative spiral, cooling fan, swing in / out, power switch and charging start-stop, including;

[0037] Explosion-proof pedal switch 1 is connected to base 2, and explosion-proof pedal switch 1 is connected to the input point of PLC control charging start-stop in the operation box in the cab through the cable.

[0038] In the above embodiment, the operator first mixes the raw materials into explosives by the buttons of the operation box in the cab, then connects one end of the cable of a certain length to the input point of the start-stop device 62 in the junction box 6, connects the other end of the cable to the input point of the PLC control charging start-stop in the operation box in the cab, then pulls out the connected base plate to the ground beside the spiral discharge port, and the operator comes out of the cab and realizes the filling and dosing of the blast hole by stepping on the pedal, while observing the amount of filling explosive in the blast hole. Compared with the prior art, only one operator can complete the filling work of the blast hole, which not only saves time, but also reduces labor intensity and labor cost.

[0039] As an optional embodiment, the explosion-proof pedal switch 1 comprises a base 2, a pedal body 11, a fixing seat 3, a rotating shaft 4, an elastic mechanism 5 and a terminal box 6. The fixing seat 3 is connected to the base 2, the rotating shaft 4 is rotatably connected to the fixing seat 3, the axial direction of the rotating shaft 4 is Y direction, one end of the pedal body 11 is fixedly connected to the rotating shaft, the elastic mechanism 5 is located between the pedal body 11 and the base, the elastic mechanism 5 is used for resetting the pedal body 11, the terminal box 6 is connected to the base 2, the terminal box 6 is provided with a through hole 61, one end of the rotating shaft is located in the terminal box 6 through the through hole 61, the terminal box 6 is circular, the rotating shaft is coaxial with the terminal box 6, the terminal box 6 is provided with a start-stop device 62, the start-stop device 62 is connected to the charging start-stop input point of the PLC control system in the operation box in the cab through a cable, the start-stop device 62 is provided with a trigger point, one end of the rotating shaft passing through the through hole is provided with a copper sheet 41, and the copper sheet 41 is located in the terminal box 6.

[0040] In a certain state, the pedal body 11 swings downward, the copper sheet 41 abuts against the trigger point of the start-stop device 62, and the start-stop device 62 is started to charge the blast hole.

[0041] In the above embodiment, the pedal body 11 swings downward, the rotating shaft is rotated, and the copper sheet 41 is in contact with the trigger point of the start-stop device 62 to start charging.

[0042] As an optional embodiment, the granular ammonium nitrate fuel explosive on-site mixing and charging vehicle mixing system foot control device further comprises a charging pipeline, the charging pipeline comprises a rectangular pipeline 7, the rectangular pipeline 7 is provided with a valve device 71, the valve device 71 comprises a first rotating shaft 711, a second rotating shaft 712 and a third rotating shaft 713, the axial directions of the first rotating shaft 711, the second rotating shaft 712 and the third rotating shaft 713 are parallel and perpendicular to the axial direction of the pipeline, the first rotating shaft 711 is provided with a first rectangular disc 7111, the second rotating shaft 712 is provided with a second rectangular disc 7121, the third rotating shaft 713 is provided with a third rectangular disc 7131, the start-stop device 62 comprises a start-stop column 621 and three valve switch columns 622, the start-stop column 621 is provided with a trigger point, the start-stop column 621 is connected to the charging start-stop input point of the PLC control system in the operation box in the cab through a cable, the three valve switch columns 622 are all provided with trigger points, the three valve switch columns 622 are respectively electrically connected to the driving devices of the first rotating shaft 711, the second rotating shaft 712 and the third rotating shaft 713 through cables, the copper sheet 41 is arc-shaped, and the copper sheet 41 is switched between a first state, a second state, a third state and a fourth state.

[0043] In the first state, the pedal body 11 is not moved, the rotating shaft 4 is not rotated, the copper sheet 41 is not abutted against the start-stop column 621 and the three valve switch columns 622, the start-stop device 62 is not started, and the three rectangular discs are closed.

[0044] In the second state, the pedal body 11 swings downward, the rotating shaft 4 rotates by a certain angle, the copper sheet 41 abuts against the start-stop column 621 and one valve switch column 622, the first rectangular disc 7111 is opened, and the start-stop device 62 is opened.

[0045] In the third state, the pedal body 11 swings downward, the rotating shaft 4 rotates by a certain angle, the copper sheet 41 abuts against the start-stop column 621 and two valve switch columns 622, the first rectangular disc 7111 and the second rectangular disc 7121 are opened, and the start-stop device 62 is opened.

[0046] In the fourth state, the pedal body 11 swings downward, the rotating shaft 4 rotates by a certain angle, the copper sheet 41 abuts against the start-stop column 621 and three valve switch columns 622, the first rectangular disc 7111, the second rectangular disc 7121 and the third rectangular disc 7131 are opened, and the start-stop device 62 is opened.

[0047] In the above embodiment, it is to be noted that the driving device is a driving motor, three driving motors are respectively in transmission connection with the first rotating shaft 711, the second rotating shaft 712 and the third rotating shaft 713, when the pipeline filled with explosives is placed in the blast hole, the operator steps on the pedal body 11, so that the copper sheet 41 is in the fourth state, the explosive start-stop and three rectangular discs are opened, as shown in FIG. 6, the blast hole is filled with the largest amount of explosives. Figure 3 After a period of time, the operator releases the pedal body 11, so that the copper sheet 41 is in the third state, the explosive start-stop and two rectangular discs are opened, as shown in FIG. 5, the blast hole is filled with a reduced amount of explosives. Figure 4 When the operator observes that the amount of explosives is close to the amount of explosives filled in a single blast hole, the operator continues to release the pedal body 11, so that the copper sheet 41 is in the second state, the explosive start-stop and one rectangular disc are opened, as shown in FIG. 4, the blast hole is filled with the smallest amount of explosives. Figure 5 At this time, the amount of explosives filled in a single blast hole is avoided to be too much, explosives are wasted, and finally the pedal body 11 is completely released, so that the copper sheet 41 is in the first state, and no explosives are filled.

[0048] As an optional embodiment, the elastic mechanism 5 includes a first spring 51, a second spring 52 and a third spring 53, one end of the first spring 51 is connected to the base 2, the other end of the first spring 51 is connected to the lower part of the X-direction side of the pedal body 11, one end of the second spring 52 is connected to the bottom plate, the height of the second spring 52 is less than the height of the first spring 51, the second spring 52 is coaxial with the first spring 51, one end of the third spring 53 is connected to the bottom plate, and the height of the third spring 53 is less than the height of the second spring 52.

[0049] In the first state, none of the three springs is compressed.

[0050] In the second state, the first spring 51 is compressed.

[0051] In the third state, the first spring 51 and the second spring 52 are compressed;

[0052] In the fourth state, the three springs are compressed simultaneously.

[0053] In the above embodiment, the operator steps on the pedal body 11, and the valve is opened by feeling the compression of the different springs.

[0054] As an optional embodiment, the first spring 51 is larger than the second spring 52 in radius, and the second spring 52 is larger than the third spring 53 in radius.

[0055] As an optional embodiment, the start-stop column 621 and the three valve switch columns are located on one side of the junction box 6 in the X direction, and four openings 63 are arranged on the outer circumference of the one side of the junction box 6 in the X direction, one of which is used for the cable of the start-stop to pass through, and the other three are used for the cable of the valve switch column 622 to pass through.

[0056] In the above embodiment, one end of the cable is connected with the start-stop, the other end of the cable passes through the opening 63 and is connected with the control box in the driver, one end of the cable box is connected with the valve switch column 622, and the other end of the cable passes through the opening 63 and is electrically connected with the driving device of the rectangular disc, so that the cable can be bound in the opening 63, and the cable is prevented from being too messy.

[0057] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent transformation or direct or indirect application in the related technical field is also included in the patent protection range of the present application.

Claims

1. A kind of granular ammonium oil-based explosive site mixing vehicle mixing system foot control device, including the operation box in cab, operation box is equipped with button, button includes diesel pump, oblique screw, lift / down, mixing screw, quantitative screw, cooling fan, swing in / out, power switch and charge start-stop, its characterized in that, Comprise; The explosion-proof pedal switch is connected to the base, and the explosion-proof pedal switch is connected to the input point of the PLC control system in the operation box in the cab through a cable.

2. The foot control device of a granular ammonium nitrate fuel oil explosive on-site mixing and loading vehicle mixing system according to claim 1, characterized in that, The explosion-proof pedal switch comprises a base, a pedal body, a fixing seat, a rotating shaft, an elastic mechanism and a junction box, the fixing seat is connected to the base, the rotating shaft is rotatably connected to the fixing seat, the rotating shaft is Y-shaped, one end of the pedal body is fixedly connected to the rotating shaft, the elastic mechanism is located between the pedal body and the base, the elastic mechanism is used for resetting the pedal body, the junction box is connected to the base, a through hole is formed in the junction box, one end of the rotating shaft penetrates through the through hole and is located in the junction box, the junction box is circular, the rotating shaft is coaxial with the junction box, a start-stop device is arranged in the junction box, the start-stop device is connected to the input point of the PLC control system in the operation box in the cab through a cable, a trigger point is arranged on the start-stop device, one end of the rotating shaft penetrating through the through hole is provided with a copper sheet, and the copper sheet is located in the junction box. In a certain state, the pedal body swings downward, the copper sheet abuts against the trigger point of the start-stop device, the start-stop device is started, and the blast hole is dosed.

3. The foot control device of a granular ammonium nitrate fuel oil explosive on-site mixing and loading vehicle mixing system according to claim 2, characterized in that, The foot control device of the granular ammonium oil explosive on-site mixing and loading vehicle mixing system further comprises a filling pipeline, the filling pipeline comprises a rectangular pipeline, a valve device is arranged in the rectangular pipeline, the valve device comprises first, second and third rotating shafts, the first, second and third rotating shafts are parallel to each other in the axial direction and perpendicular to the axial direction of the pipeline, a first rectangular disc is arranged on the first rotating shaft, a second rectangular disc is arranged on the second rotating shaft, a third rectangular disc is arranged on the third rotating shaft, the start-stop device comprises one start-stop column and three valve switch columns, a trigger point is arranged on the start-stop column, the start-stop column is connected to the input point of the PLC control system in the operation box in the cab through a cable, trigger points are arranged on the three valve switch columns, the three valve switch columns are respectively connected to the driving devices of the first, second and third rotating shafts through cables, the copper sheet is arc-shaped, and the copper sheet is switched between a first state, a second state, a third state and a fourth state. In the first state, the pedal body is not moved, the rotating shaft is not rotated, the copper sheet does not abut against the three valve switch columns of the start-stop column box, the start-stop device is not started, and the three rectangular discs are closed. In the second state, the pedal body swings downward, the rotating shaft is rotated by a certain angle, the copper sheet abuts against the start-stop column and one valve switch column, the first rectangular disc is opened, and the start-stop device is started. In the third state, the pedal body swings downward, the rotating shaft is rotated by a certain angle, the copper sheet abuts against the start-stop column and two valve switch columns, the first and second rectangular discs are opened, and the start-stop device is started. In the fourth state, the pedal body swings downward, the rotating shaft is rotated by a certain angle, the copper sheet abuts against the start-stop column and three valve switch columns, the first, second and third rectangular discs are opened, and the start-stop device is started.

4. The foot control device of a granular ammonium nitrate fuel oil explosive on-site mixing and loading vehicle mixing system according to claim 2, characterized in that, The elastic mechanism comprises a first spring, a second spring and a third spring, one end of the first spring is connected to the base, the other end of the first spring is connected to the lower part of the X direction side of the pedal body, one end of the second spring is connected to the bottom plate, the height of the second spring is less than that of the first spring, the second spring is coaxial with the first spring, one end of the third spring is connected to the bottom plate, the height of the third spring is less than that of the second spring; In the first state, none of the three springs is compressed; In the second state, the first spring is compressed; In the third state, the first spring and the second spring are compressed; In the fourth state, the three springs are compressed at the same time.

5. The foot control device of a granular ammonium nitrate fuel oil explosive on-site mixing and loading vehicle mixing system according to claim 4, characterized in that, The radius of the first spring is greater than that of the second spring, and the radius of the second spring is greater than that of the third spring.

6. The foot control device of a granular ammonium nitrate fuel oil explosive on-site mixing and loading vehicle mixing system according to claim 2, characterized in that, The start-stop column and the three valve switch columns are located on the X direction side of the junction box, and four openings are arranged on the outer circumference of the X direction side of the junction box, one of which is used for the cable of the start-stop to pass through, and the other three are used for the cables of the valve switch columns to pass through.

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