Strip mine safety protection device

Abstract

The utility model relates to the technical field of strip mine safety protection, and discloses a strip mine safety protection device which comprises a bottom plate, two sliding grooves are formed in the upper surface of the bottom plate, sliding blocks are connected into the two sliding grooves in a sliding mode, the upper ends of the two sliding blocks are fixedly connected with baffles, and the baffles are fixedly connected with the bottom plate. A transverse plate is fixedly connected to the top end of the baffle, the interior of the transverse plate is hollow, an opening is formed in one end of the transverse plate, a threaded rod is rotationally connected to one side wall of the interior of the transverse plate, the surface of the threaded rod is sleeved with a protection plate in a threaded mode, and a set of vertical plates are fixedly connected to the upper surface of the bottom plate; two sliding rods are fixedly connected between one set of vertical plates, buffering assemblies are arranged between the two sliding rods and the baffles, the device can effectively block and protect flying stones, meanwhile, through multiple buffering and damping structures, the influence generated in the blasting process is reduced, and the protection effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to open pit safety protection technical field, concretely is an open pit safety protection device. BACKGROUND

[0002] The open pit is stripped of the overburden and surrounding rock covering the upper part of the ore body and is transported to the dump from the waste rock, and the ore is directly mined from the open pit. When blasting, a large amount of flying stones are produced, which can easily cause harm to the operators. Therefore, a protective device is needed for protection.

[0003] According to the search of the announcement No. CN 217930017 U, an open pit blasting flying stone safety protection device includes a stand and a second protective plate. One side of the stand is fixedly provided with a first protective plate. The first protective plate and the second protective plate are both provided with a splicing protection assembly. The utility model can move the protective device to the designated position through the universal wheel, and can be fixed through the fixing nails. The second protective plate can be placed between the first protective plates, and then fixed through the bolt and nut. It is convenient for splicing. The dust cloth is placed inside the protective plate. The end of the insertion block is separated from the square groove by moving the block. The clamping frame is inserted into the protective plate, and the insertion rod on one side is inserted into the connecting hole. The square block is inserted into the square groove. The insertion block is inserted into the insertion slot through the force of the spring, and the clamping frame is fixed. The dust cloth can be replaced when it is damaged.

[0004] The above-mentioned protective device still has some deficiencies in the process of use. It can only protect and eliminate some dust, but some flying stones will be produced during blasting, which cannot effectively protect the upper part. At the same time, the protective effect is poor, and it cannot effectively buffer and shock absorption, which is not convenient to use. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an open pit safety protection device, which solves the problems that only some dust can be protected and eliminated, but some flying stones will be produced during blasting, which cannot effectively protect the upper part. At the same time, the protective effect is poor, and it cannot effectively buffer and shock absorption, which is not convenient to use.

[0006] The utility model provides following technical scheme: a safety device of open -pit mine, including the bottom plate, its characterized in be: the upper surface of bottom plate is equipped with two chutes, the inside of two chutes is slidably connected with the sliding block, two sliding blocks upper end fixedly connected with the baffle, the top of baffle is fixedly connected with the transverse plate, the inside of transverse plate is hollow and is equipped with the opening in one end, the inside one side wall of transverse plate is rotatably connected with the threaded rod, the surface of threaded rod is threadedly connected with the protection board for protecting personnel, protection board can extend the transverse plate, the upper surface of bottom plate is fixedly connected with a group of vertical boards, a group of vertical boards are fixedly connected with two slide rods between, two slide rods all are provided with buffer assembly between with baffle.

[0007] The buffer assembly includes two sliding sleeves that are slidably connected to the slide rods, two connecting rods that are movably connected between the slide sleeves and the baffle, and two damping pads that are fixedly connected to the ends of the slide rods. The first springs are sleeved between the slide sleeves and the damping pads.

[0008] Two damping blocks are fixedly connected to the inner side walls of the two chutes, and the second springs are fixedly connected between the slide blocks and the damping blocks.

[0009] Two limiting rods are fixedly connected to the inner side walls of the transverse plate, two limiting grooves are formed on the surface of the protection board, and the protection board is slidably connected to the two limiting rods through the limiting grooves.

[0010] A drive motor is fixedly connected to the side of the baffle, the output end of the drive motor extends into the interior of the transverse plate and is fixedly connected with a first bevel gear, a second bevel gear is fixedly connected to the surface of the threaded rod, and the first bevel gear and the second bevel gear are meshed with each other.

[0011] Two fixed plates are fixedly connected to the two side faces of the bottom plate, mounting holes are formed on the surface of each fixed plate, and a plurality of fixed cones are fixedly connected to the lower surface of the bottom plate.

[0012] The safety device of open -pit mine has the following beneficial effects: when in use, the bottom plate and the entire device are fixedly installed at the protection site through the fixed plate. When blasting, the personnel stand on the bottom plate, the rotation of the control motor drives the first bevel gear and the second bevel gear to rotate, thereby driving the threaded rod to rotate, making the protection board extend from the interior of the transverse plate, protecting the upper part of the personnel standing on the bottom plate, avoiding the harm caused by the falling of flying stones from the upper part during blasting, and buffering and damping the impact generated during blasting through the buffer assembly, the first spring of the damping pad, the damping block and the second spring, thereby achieving better protection. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1The utility model discloses a structure schematic drawing of the utility model.

[0014] Fig. 2 The utility model discloses a bottom plate and baffle structure split drawing of the utility model.

[0015] Fig. 3 The utility model discloses a cross plate and protection plate structure section view of the utility model.

[0016] In the drawing: 1, bottom plate, 2, sliding groove, 3, sliding block, 4, baffle, 5, cross plate, 6, threaded rod, 7, protection plate, 8, vertical plate, 9, sliding rod, 10, sliding sleeve, 11, connecting rod, 12, damping pad, 13, first spring, 14, damping block, 15, second spring, 16, limiting rod, 17, drive motor, 18, first bevel gear, 19, second bevel gear, 20, fixed plate. DETAILED DESCRIPTION

[0017] Please refer to Figs. 1-3 ,

[0018] Example one: a kind of open pit safety protection device, including bottom plate 1, the upper surface of bottom plate 1 is equipped with two sliding grooves 2, the inside of two sliding grooves 2 is slidably connected with sliding block 3, two sliding blocks 3 upper end is fixedly connected with baffle 4, the top of baffle 4 is fixedly connected with cross plate 5, the inside of cross plate 5 is hollow and is equipped with opening in one end, the inside one side wall of cross plate 5 is rotatably connected with threaded rod 6, threaded rod 6 is threadedly connected with protection plate 7 on the surface, the upper surface of bottom plate 1 is fixedly connected with a group of vertical plate 8, two sliding rods 9 are fixedly connected between a group of vertical plate 8, and the buffer assembly is arranged between two sliding rods 9 and baffle 4.

[0019] Example two: the difference between the embodiment and example one lies in, wherein, buffer assembly includes two sliding sleeves 10 slidably connected on sliding rod 9, two sliding sleeves 10 are movably connected with connecting rod 11 between baffle 4, and the both ends of sliding rod 9 are fixedly connected with damping pad 12, and the first spring 13 is arranged between two sliding sleeves 10 and two damping pads 12 respectively.

[0020] Example three: the difference between the embodiment and example one lies in, wherein, the inside side wall of two sliding grooves 2 is fixedly connected with damping block 14, and the second spring 15 is fixedly connected between two damping blocks 14 and two sliding blocks 3 respectively.

[0021] Example four: the difference between the embodiment and example one lies in, wherein, the inside one side wall of cross plate 5 is fixedly connected with two limiting rods 16, and the surface of protection plate 7 is equipped with two limiting grooves, and protection plate 7 is slidably connected on two limiting rods 16 through limiting groove.

[0022] In the embodiment, the side surface of the baffle 4 is fixedly connected with a driving motor 17, the output end of the driving motor 17 extends to the inside of the horizontal plate 5 and is fixedly connected with a first bevel gear 18, the surface of the threaded rod 6 is fixedly sleeved with a second bevel gear 19, and the first bevel gear 18 and the second bevel gear 19 are in mesh with each other.

[0023] In the embodiment, the side surface of the baffle 4 is fixedly connected with a driving motor 17, the output end of the driving motor 17 extends to the inside of the horizontal plate 5 and is fixedly connected with a first bevel gear 18, the surface of the threaded rod 6 is fixedly sleeved with a second bevel gear 19, and the first bevel gear 18 and the second bevel gear 19 are in mesh with each other.

[0024] In the embodiment, the side surface of the baffle 4 is fixedly connected with a driving motor 17, the output end of the driving motor 17 extends to the inside of the horizontal plate 5 and is fixedly connected with a first bevel gear 18, the surface of the threaded rod 6 is fixedly sleeved with a second bevel gear 19, and the first bevel gear 18 and the second bevel gear 19 are in mesh with each other. In summary, the open-pit mine safety protection device is fixedly installed at a protection site through the fixed plate 20 when in use. When blasting, a person stands on the bottom plate 1, the first bevel gear 18 and the second bevel gear 19 are driven to rotate by controlling the rotation of the motor 17, thereby driving the threaded rod 6 to rotate, so that the protection plate 7 extends from the inside of the horizontal plate 5 to protect the upper part of the person standing on the bottom plate 1, avoiding the flying stones generated by blasting from falling from above to cause harm. At the same time, the impact generated by blasting can be buffered and damped by the buffer assembly, the damping pad 12, the first spring 13, the damping block 14 and the second spring 15, thereby achieving better protection.

Claims

1. A safety shield for an open pit mine comprising a floor, characterised in that: The upper surface of the bottom plate is provided with two sliding grooves, the interiors of the two sliding grooves are slidably connected with sliding blocks, the upper ends of the two sliding blocks are fixedly connected with a baffle, the top end of the baffle is fixedly connected with a horizontal plate, the interior of the horizontal plate is hollow and is provided with an opening at one end, one side wall of the interior of the horizontal plate is rotatably connected with a threaded rod, the surface of the threaded rod is threadedly sleeved with a protective plate for protecting people, and the protective plate can extend out of the horizontal plate.

2. A safety shield for an open pit mine as claimed in claim 1, characterised in that: The bottom plate is fixedly connected with a group of vertical plates, two sliding rods are fixedly connected between the vertical plates, and the sliding rods are provided with a buffer assembly between the baffle.

3. A safety shield for an open pit mine as claimed in claim 1, characterised in that: The buffer assembly comprises two sliding sleeves slidably sleeved on the sliding rods, connecting rods movably connected between the sliding sleeves and the baffle, and damping pads fixedly sleeved on the two ends of the sliding rods.

4. A safety shield for an open pit mine as claimed in claim 1, characterised in that: The interiors of the two sliding grooves are fixedly connected with damping blocks, and the sliding blocks are fixedly connected with second springs between the damping blocks.

5. A safety shield for an open pit mine as claimed in claim 1, characterised in that: One side wall of the interior of the horizontal plate is fixedly connected with two limiting rods, the surface of the protective plate is provided with two limiting grooves, and the protective plate is slidably sleeved on the two limiting rods through the limiting grooves.

6. A safety shield for an open pit mine as claimed in claim 1, characterised in that: The side surface of the baffle is fixedly connected with a driving motor, the output end of the driving motor extends into the interior of the horizontal plate and is fixedly connected with a first bevel gear, the surface of the threaded rod is fixedly sleeved with a second bevel gear, and the first bevel gear and the second bevel gear are meshed with each other. The two side surfaces of the bottom plate are fixedly connected with two fixed plates, the surface of each fixed plate is provided with a mounting hole, and the lower surface of the bottom plate is fixedly connected with a plurality of fixed cones.

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