CN215447621U

CN215447621U - Device for controlling quick explosive discharge in blast hole

Info

Publication number: CN215447621U
Application number: CN202122117244.6U
Authority: CN
Inventors: 柴健; 王伟斌; 闫福兴
Original assignee: Inner Mongolia Tongyuan Blasting Co ltd
Current assignee: Inner Mongolia Tongyuan Blasting Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-07
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a blast hole speed-control explosive discharging device, which comprises a lifting plate, a movable rod, a limiting plate, a transmission mechanism, a rotation control mechanism and a lifting mechanism, wherein the lifting plate is arranged on the lower part of the lifting plate; the lifting plate is movably connected with the upper end of the movable rod; a limiting plate is arranged at the bottom of the movable rod; the limiting plate is an arc-shaped plate attached to the inner wall of the blast hole; when the movable rod rotates, the limiting plate is driven to rotate towards the inner side of the circle center of the blast hole, so that a blocking structure for preventing emulsion explosive from falling is formed at the bottom of the movable rod; the top of the movable rod is connected with a transmission mechanism; the transmission mechanism controls the rotation of the movable rod through the rotation control mechanism; the lifting mechanism drives the lifting plate, the movable rod, the limiting plate, the transmission mechanism and the rotation control mechanism to integrally move up and down, and the emulsion explosive limited by the inner side of the movable rod is placed into the inner side of the blast hole; through rotary-type bottom stop gear, can directly hold the explosive from the bottom when the powder charge, guarantee that the explosive is firm, the explosive can not drop and lead to the striking.

Description

Device for controlling quick explosive discharge in blast hole

Technical Field

The utility model relates to the technical field of open blasting explosive treatment, in particular to a blast hole speed-control explosive discharging device.

Background

The emulsion explosive is a novel industrial explosive developed in the 20 th century and the 70 th century, and is formed by uniformly dispersing microdroplets of an oxidant salt aqueous solution in an oil phase continuous medium containing porous substances such as dispersed bubbles or hollow glass beads and the like under the action of an emulsifier.

The blast hole is used in the blasting excavation of the high slope of the roadbed, the blast hole composite charging structure technology is applied, the propagation direction of explosive detonation waves is effectively controlled, the effects of blasting shock waves and reflected tensile stress on the reserved rock mass of the high slope are reduced, the integrity and the stability of the high slope are ensured, and the reserved rock surface basically reaches the flatness of the designed slope rate; the emulsion explosive is bound on the emulsion explosive through a rope and then placed in a blast hole when being loaded into the blast hole, and because the finished emulsion explosive is of a cylindrical structure and the rope is bound on the side edge of the explosive and is very easy to fall off, a hook is generally arranged at one end of the rope; the hook is tied through the end part of the medicine bag, and the medicine bag falls down through the self gravity, and the rope is manually controlled to descend; however, the position where the hook is pierced is easy to tear in the mode, so that the medicine bag falls off, and the medicine bag impacts the bottom of the hole or other medicine bags, thereby generating potential safety hazards.

The utility model has the following contents:

according to the defects of the prior art, the utility model provides the blast hole speed-control explosive releasing device, and the rotary bottom limiting mechanism can directly support the explosive from the bottom during explosive charging, so that the stability of the explosive is ensured, and the explosive cannot fall off to cause impact.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a blast hole speed control explosive discharging device comprises a lifting plate, a movable rod, a limiting plate, a transmission mechanism, a rotation control mechanism and a lifting mechanism; the lifting plate is of a circular plate-shaped structure; the lifting plate is movably connected with the upper end of the movable rod; three movable rods are distributed at equal intervals along the inner wall of the blast hole; a limiting plate is arranged at the bottom of the movable rod; the limiting plate is an arc-shaped plate attached to the inner wall of the blast hole; when the movable rod rotates, the limiting plate is driven to rotate towards the inner side of the circle center of the blast hole, so that a blocking structure for preventing emulsion explosive from falling is formed at the bottom of the movable rod; the top of the movable rod is connected with a transmission mechanism; the transmission mechanism controls the rotation of the movable rod through the rotation control mechanism; the lifting mechanism drives the lifting plate, the movable rod, the limiting plate, the transmission mechanism and the rotation control mechanism to integrally move up and down, and the emulsion explosive limited by the inner side of the movable rod is placed into the inner side of the blast hole.

Preferably, the transmission mechanism comprises a first gear, a second gear, a third gear and a fourth gear; a first gear, a second gear and a third gear are respectively fixed at the end part of the movable rod, and a fourth gear is arranged in the middle of the three gears; the fourth gear simultaneously drives the first gear, the second gear and the third gear to enable the three gears to rotate in the same direction.

Preferably, the rotation control mechanism comprises a shield, a fifth gear, a positioning bracket and a movable rack; the shield is arranged above the lifting plate and covers the first gear, the second gear, the third gear and the fourth gear; a rotating shaft is arranged in the middle of the fourth gear, extends towards the outer side of the protective cover, and a fifth gear is fixed at the upper end of the rotating shaft; a positioning bracket is fixed on the outer side of the fifth gear; one side of the positioning bracket is provided with a sliding chute, and a movable rack is arranged in the sliding chute; and two ends of the movable rack are provided with limit positions.

Preferably, the lifting mechanism comprises a movable door rail, a sliding block, a connecting plate, a pull rope, a rotary table and a rotary rod; a movable door rail is arranged on the outer side of the shield in a crossing manner; sliding rails are arranged on two sides of the movable door rail; a sliding block is arranged in the sliding rail; the sliding blocks are connected and fixed through a connecting plate; the middle part of the connecting plate is fixed with the protective cover; one end of the pull rope is fixed with the positioning bracket; the other end of the pull rope penetrates through the top of the movable door rail and extends downwards along the door rail on one side; the other end of the drawing is finally wound on a turntable; the front side of the rotating disc is provided with a through hole, a rotating rod is arranged in the through hole, and the rotating rod can perform telescopic movement; and a hole is formed in the side surface of the movable door rail corresponding to the rotating rod.

Preferably, the movable door rail is provided with a guide wheel corresponding to the turning position of the pull rope.

Preferably, the movable door rail is fixed to the surface of the car hopper; and a notch is formed in the position, corresponding to the protective cover, of the bottom plate of the car hopper.

Preferably, a sliding groove is formed in a bottom plate of the car hopper, and a sliding rail is arranged in the sliding groove; the slide rails are connected through reinforcing ribs; the surface of the sliding rail is provided with a groove for placing finished explosives in a matching manner; and a convex double-layer placing structure is arranged above the sliding rail.

Preferably, a counterweight is fixed at the tail part of the car hopper.

Preferably, a handle is arranged on the surface of the end part of the movable rack; and the middle part of the movable rack is provided with a limiting clamping groove corresponding to the surface of the protective cover.

The utility model discloses a blast hole speed control explosive releasing device, which has the following beneficial effects:

1. the limiting plate is filled from the bottom when in a rotating and opening state, and the emulsion explosive is placed among the three movable rods to be limited; after the emulsion explosive is placed, the limiting plate rotates inwards to close the emulsion explosive, so that the stability of the emulsion explosive is ensured.

2. The lifting mechanism and the transmission mechanism are matched to complete explosive placing work of the filled explosives, and the explosive placing process is simplified.

3. The device is positioned on the car hopper, so that the movement among blast holes is facilitated.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a lowering structure of the present invention.

FIG. 2 is a schematic view of the lift structure of the present invention.

Fig. 3 is a schematic structural view of the opened state of the limiting plate of the utility model.

Fig. 4 is a schematic structural view of a closed state of the limiting plate of the utility model.

Fig. 5 is a top view of the present invention.

Fig. 6 is a schematic view of the internal structure of the shield of the present invention.

Fig. 7 is a schematic view of the slide rail structure of the present invention.

Fig. 8 is a schematic view of the turntable structure of the present invention.

In the figure, a lifting plate 1, a movable rod 2, a limiting plate 3, a transmission mechanism 4, a first gear 4-1, a second gear 4-2, a third gear 4-3, a fourth gear 4-4, a rotation control mechanism 5, a shield 5-1, a fifth gear 5-2, a positioning support 5-3, a movable rack 5-4, a lifting mechanism 6, a movable door rail 6-1, a sliding block 6-2, a connecting plate 6-3, a pull rope 6-4, a rotary table 6-5, a rotary rod 6-6, a balancing weight 7, a guide wheel 8, a car hopper 9, a finished emulsion explosive 10 and a slide rail 11 are arranged on the lifting plate.

The specific implementation mode is as follows:

as shown in fig. 1,3 and 4, a device for controlling the speed of discharging explosive in a blast hole comprises a lifting plate 1, a movable rod 2, a limiting plate 3, a transmission mechanism 4, a rotation control mechanism 5 and a lifting mechanism 6; the lifting plate 1 is in a circular plate-shaped structure; the lifting plate 1 is movably connected with the upper end of the movable rod 2, so that the movable rod 2 rotates in the lifting plate 1; three movable rods 2 are equidistantly distributed along the inner wall of the blast hole, and although more movable rods 2 can be arranged, the more the movable rods 2 are, the more the movable space of the bottom limiting plate 3 of each movable rod 2 is limited, so that the preferable number of the movable rods 2 is three; if the number of the gears is large, the gears corresponding to the top of the movable rod 2 are ensured to be transmitted around the fourth gear 4-4; the bottom of the movable rod 2 is provided with a limiting plate 3; the limiting plate 3 is an arc-shaped plate attached to the inner wall of the blast hole; when the movable rod 2 rotates, the limiting plate 3 is driven to rotate towards the inner side of the circle center of the blast hole, so that a blocking structure for preventing emulsion explosive from falling is formed at the bottom of the movable rod 2; the top of the movable rod 2 is connected with a transmission mechanism 4; the transmission mechanism 4 controls the rotation of the movable rod 2 through the rotation control mechanism 5; the lifting mechanism 6 drives the lifting plate 1, the movable rod 2, the limiting plate 3, the transmission mechanism 4 and the rotation control mechanism 5 to integrally move up and down, and the emulsion explosive limited by the inner side of the movable rod 2 is placed into the inner side of the blast hole.

As shown in fig. 2,5,6,7 and 8, the transmission mechanism 4 comprises a first gear 4-1, a second gear 4-2, a third gear 4-3 and a fourth gear 4-4; a first gear 4-1, a second gear 4-2 and a third gear 4-3 are respectively fixed at the end part of the movable rod 2, and a fourth gear 4-4 is arranged in the middle of the three gears; the fourth gear 4-4 simultaneously drives the first gear 4-1, the second gear 4-2 and the third gear 4-3, so that the three gears rotate in the same direction, and the limiting plate 3 at the bottom is kept synchronously opened and closed. The rotation control mechanism 5 comprises a shield 5-1, a fifth gear 5-2, a positioning bracket 5-3 and a movable rack 5-4; the shield 5-1 is arranged above the lifting plate 1 to cover the first gear 4-1, the second gear 4-2, the third gear 4-3 and the fourth gear 4-4; a rotating shaft is arranged in the middle of the fourth gear 4-4, extends towards the outer side of the shield 5-1, and a fifth gear 5-2 is fixed at the upper end of the rotating shaft; a positioning bracket 5-3 is fixed on the outer side of the fifth gear 5-2; one side of the positioning bracket 5-3 is provided with a sliding chute, and a movable rack 5-4 is arranged in the sliding chute; the two ends of the movable rack 5-4 are provided with limit positions, and the limit positions ensure that the limit plate 3 can only be in a fully opened state or a closed state when the movable rack 5-4 is pulled to the maximum position each time. The surface of the end part of the movable rack 5-4 is provided with a handle which is convenient for an operator to push and pull the rack; the middle part of the movable rack 5-4 is provided with a limiting clamping groove corresponding to the surface of the shield 5-1. The lifting mechanism 6 comprises a movable door rail 6-1, a sliding block 6-2, a connecting plate 6-3, a pull rope 6-4, a rotary table 6-5 and a rotary rod 6-6; a movable door rail 6-1 is arranged on the outer side of the shield 5-1 in a crossing manner; two sides of the movable door rail 6-1 are provided with slide rails; a slide block 6-2 is arranged in the slide rail; the sliding blocks 6-2 are fixedly connected through a connecting plate 6-3, so that the two sliding blocks 6-2 can move together; the middle part of the connecting plate 6-3 is fixed with the protective cover 5-1, and the slide block 6-2 drives the protective cover 5-1 and the integral structure in the protective cover 5-1 to move together; one end of the pull rope 6-4 is fixed with the positioning bracket 5-3; the other end of the pull rope 6-4 penetrates through the top of the movable door rail 6-1 and extends downwards along one side door rail; the other end of the drawing is finally wound on a rotary table 6-5; the guide wheel 8 is arranged at the turning position of the movable door rail 6-1 corresponding to the pull rope 6-4, and the guide wheel 8 prevents the pull rope 6-4 from being worn, so that the resistance is reduced; the front side of the rotary table 6-5 is provided with a through hole, a rotary rod 6-6 is arranged in the through hole, and the rotary rod 6-6 can perform telescopic movement; the side surface of the movable door rail 6-1 corresponding to the rotating rod 6-6 is provided with a hole, and after the device is folded, the rotating rod 6-6 is inserted into the hole on the movable door rail 6-1 to prevent the rotating disc 6-5 from rotating; the speed control of the rotary table 6-5 is manual, so that the speed control is possibly uneven, and if the site conditions allow, a motor can be connected to replace manual control of the rotary table 6-5. The movable door rail 6-1 is fixed on the surface of the car hopper, and the car body is convenient to move integrally; the bottom plate of the car hopper is provided with a sliding chute corresponding to the position of the protective cover 5-1, and the sliding chute is internally provided with a sliding rail; the slide rails are connected through reinforcing ribs; the surface of the sliding rail is provided with a groove for placing the finished emulsion explosive in a matching way; a convex double-layer placing structure is arranged above the sliding rail; the tail part of the car hopper is fixed with a balancing weight 7 to prevent the car body from turning over. The above-mentioned fixing methods are all welded or screwed by means of the common technical means of those skilled in the art, if they are not separately described.

The working principle is as follows:

before the device moves, putting the finished emulsion explosive to be filled above a car hopper; then transporting to a blast hole; vertically placing the finished emulsion explosive on the inner side of the movable rod 2, and pulling the movable rack 5-4 to enable the limiting plate 3 to rotate and close; finally, pulling out the rotating rod 6-6 to begin to put down the finished emulsion explosive; when the rotary table 6-5 rotates, the rotation speed is manually controlled, after the rotary table is placed in the hole, the movable rack 5-4 is pulled to open the bottom, and then the rotary table 6-5 is rotated to withdraw the device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A device for controlling the speed of explosive discharge in a blast hole is characterized by comprising a lifting plate, a movable rod, a limiting plate, a transmission mechanism, a rotation control mechanism and a lifting mechanism; the lifting plate is of a circular plate-shaped structure; the lifting plate is movably connected with the upper end of the movable rod; three movable rods are distributed at equal intervals along the inner wall of the blast hole; a limiting plate is arranged at the bottom of the movable rod; the limiting plate is an arc-shaped plate attached to the inner wall of the blast hole; when the movable rod rotates, the limiting plate is driven to rotate towards the inner side of the circle center of the blast hole, so that a blocking structure for preventing emulsion explosive from falling is formed at the bottom of the movable rod; the top of the movable rod is connected with a transmission mechanism; the transmission mechanism controls the rotation of the movable rod through the rotation control mechanism; the lifting mechanism drives the lifting plate, the movable rod, the limiting plate, the transmission mechanism and the rotation control mechanism to integrally move up and down, and the emulsion explosive limited by the inner side of the movable rod is placed into the inner side of the blast hole.

2. A blasthole speed-controlled explosive discharging device according to claim 1, characterized in that: the transmission mechanism comprises a first gear, a second gear, a third gear and a fourth gear; a first gear, a second gear and a third gear are respectively fixed at the end part of the movable rod, and a fourth gear is arranged in the middle of the three gears; the fourth gear simultaneously drives the first gear, the second gear and the third gear to enable the three gears to rotate in the same direction.

3. A blasthole speed-controlled explosive discharging device according to claim 1, characterized in that: the rotation control mechanism comprises a shield, a fifth gear, a positioning bracket and a movable rack; the shield is arranged above the lifting plate and covers the first gear, the second gear, the third gear and the fourth gear; a rotating shaft is arranged in the middle of the fourth gear, extends towards the outer side of the protective cover, and a fifth gear is fixed at the upper end of the rotating shaft; a positioning bracket is fixed on the outer side of the fifth gear; one side of the positioning bracket is provided with a sliding chute, and a movable rack is arranged in the sliding chute; and two ends of the movable rack are provided with limit positions.

4. A blasthole speed-controlled explosive discharging device according to claim 3, characterized in that: the lifting mechanism comprises a movable door rail, a sliding block, a connecting plate, a pull rope, a rotary table and a rotary rod; a movable door rail is arranged on the outer side of the shield in a crossing manner; sliding rails are arranged on two sides of the movable door rail; a sliding block is arranged in the sliding rail; the sliding blocks are connected and fixed through a connecting plate; the middle part of the connecting plate is fixed with the protective cover; one end of the pull rope is fixed with the positioning bracket; the other end of the pull rope penetrates through the top of the movable door rail and extends downwards along the door rail on one side; the other end of the pull rope is finally wound on the rotary table; the front side of the rotating disc is provided with a through hole, a rotating rod is arranged in the through hole, and the rotating rod can perform telescopic movement; and a hole is formed in the side surface of the movable door rail corresponding to the rotating rod.

5. A blasthole speed-control explosive discharging device according to claim 4, characterized in that: and a guide wheel is arranged at the turning position of the movable door rail corresponding to the pull rope.

6. A blasthole speed-control explosive discharging device according to claim 5, characterized in that: the movable door rail is fixed on the surface of the car hopper; and a notch is formed in the position, corresponding to the protective cover, of the bottom plate of the car hopper.

7. A blasthole speed-control explosive discharging device according to claim 6, characterized in that: a sliding chute is arranged on the bottom plate of the car hopper, and a sliding rail is arranged in the sliding chute; the slide rails are connected through reinforcing ribs; the surface of the sliding rail is provided with a groove for placing finished explosives in a matching manner; and a convex double-layer placing structure is arranged above the sliding rail.

8. A blasthole speed-control explosive discharging device according to claim 6, characterized in that: and a balancing weight is fixed at the tail part of the car hopper.

9. A blasthole speed-controlled explosive discharging device according to claim 3, characterized in that: a handle is arranged on the surface of the end part of the movable rack; and the middle part of the movable rack is provided with a limiting clamping groove corresponding to the surface of the protective cover.