CN219914209U - Explosion protection device - Google Patents

Abstract

The utility model provides a blasting protection device, belongs to the technical field of blasting engineering, and aims to solve the problem that a large amount of physical force is required to be used by the existing staff when the protection device is dragged, and the protection device is dragged to cause friction of the protection device on the ground; comprising the following steps: the device comprises a protection reinforcing layer, a protection dust-reducing layer, a blasting protection layer, a stable pull rope, a bottom connecting block, a device moving mechanism and a moving starting mechanism; the protective dust-falling layer is slidably connected to the lower end face of the protective reinforcing layer; the explosion protection layer is fixedly connected to the lower end face of the protection dust-reducing layer; the stable pull rope is fixedly connected to the protection reinforcing layer; the bottom connecting block is connected inside the protection reinforcing layer in a sliding way; the device moving mechanism is arranged on the bottom connecting block; the movable starting mechanism is arranged in the protection reinforcing layer; through adopting device moving mechanism, realize firm plug pin with the blasting inoxidizing coating steady in the explosion mouth department, through adopting removal actuating mechanism, realize making things convenient for the staff to stimulate protector and remove.

Description

Explosion protection device

Technical Field

The utility model belongs to the technical field of blasting engineering, and particularly relates to a blasting protection device.

Background

The explosion is a phenomenon that objects are damaged by explosion of the explosives, when the whole mountain area is exploded, a pit is required to be dug on the mountain area, the explosives are placed in the pit, and then the pit is covered by a protection device, so that scattered objects are prevented from being generated when the explosives explode.

According to CN201721480741.X, the utility model discloses a surface blasting protection device which comprises a blasting cover layer, a buffer dust-reducing layer and a reinforcing layer. The blasting cover layer is arranged at the lowest layer and is close to the blasting surface, the blasting cover layer is made of rubber, and water permeable holes are formed in the blasting cover layer. The buffer dust-reducing layer is arranged in the middle layer and made of water-absorbing materials. The reinforcing layer is arranged on the uppermost layer and made of metal, water adding holes are formed in the reinforcing layer, the periphery of the reinforcing layer is connected with a buffer spring, and the other end of the buffer spring is connected with a ground nail. The blasting cover layer is mainly used for preventing blasting flying stones from damaging the buffering dust-reducing layer. The buffer dust-reducing layer is wetted by adding water Kong Jiashui, so that the functions of dust reduction and buffer are achieved. The buffer spring on the reinforcing layer further buffers blasting shock waves, and the protection device is guaranteed to be fixed in place through the fixing effect of the ground nails, and blasting flying stones are pressed under the protection device. Therefore, the device can effectively prevent dust and explosion from flying stones.

Based on the above, the existing protection device is generally woven through junked tires and steel wire meshes, the weight of the protection device is generally heavy, workers generally drag the protection device directly on the ground, a great deal of physical force is required to be used by the workers when dragging the protection device, and meanwhile, the dragging of the protection device causes friction of the protection device on the ground, so that the service life of the protection device is influenced.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a blasting protection device, which is used for solving the problems that the existing protection device is generally woven by waste tires and steel wire meshes, the protection device is generally heavy, a worker generally pulls the protection device directly on the ground, a great deal of physical force is required to be used by the worker when the worker pulls the protection device, and meanwhile, the protection device is pulled to cause friction on the ground, so that the service life of the protection device is influenced.

The utility model discloses a blasting protection device, which is characterized by comprising the following specific technical means:

a blast protection device, comprising: the device comprises a protection reinforcing layer, a protection dust-reducing layer, a blasting protection layer, a stable pull rope, a stable inserted pin, a bottom connecting block, a device moving mechanism and a moving starting mechanism; the protective dust-falling layer is slidably connected to the lower end face of the protective reinforcing layer; the explosion protection layer is fixedly connected to the lower end face of the protection dust-reducing layer; four groups of stable pull ropes are arranged in total and are respectively and fixedly connected to the front side and the rear side of the left end and the right end of the protection reinforcing layer; the four groups of stable plug nails are respectively and fixedly connected to the four groups of stable pull ropes; the four groups of bottom connecting blocks are respectively and slidably connected to four corners inside the protection reinforcing layer; the device moving mechanisms are provided with four groups in total, and the four groups of device moving mechanisms are respectively arranged on the bottom connecting block; the movable starting mechanism is arranged inside the protection reinforcing layer.

Further, the device moving mechanism comprises: a bottom spring and a bottom roller; the bottom spring is fixedly connected inside the protection reinforcing layer, and the bottom spring is elastically connected with the upper end surface of the bottom connecting block; the bottom roller is fixedly connected to the lower end face of the bottom connecting block.

Further, the movement starting mechanism comprises: the starting rotating shaft, the rotating handle and the reset torsion spring; the starting rotating shaft is rotatably connected to the front side of the inside of the protection reinforcing layer; the rotary handle is fixedly connected to the middle position of the starting rotating shaft; the two groups of reset torsional springs are respectively and fixedly connected to the front side inside the protection reinforcing layer, and are respectively and elastically connected with the starting rotating shaft.

Further, the movement starting mechanism further comprises: a bottom top block and a bottom cam; four groups of bottom jacking blocks are arranged in total, and the four groups of bottom jacking blocks are respectively and fixedly connected to the middle positions of the upper end surfaces of the four groups of bottom connecting blocks; the bottom cams are provided with two groups, the two groups of bottom cams are respectively fixedly connected to the left side and the right side of the starting rotating shaft, and the two groups of bottom cams are respectively positioned on the upper sides of the two groups of bottom jacking blocks on the front side.

Further, the movement starting mechanism further comprises: starting a bevel gear, an intermediate transmission shaft and an intermediate bevel gear A; the starting bevel gear is coaxially and fixedly connected to the starting rotating shaft; the middle transmission shaft is rotatably connected inside the protection reinforcing layer; the middle bevel gear A is coaxially and fixedly connected to the front side of the middle transmission shaft, and the starting bevel gear and the middle bevel gear A are meshed to form a bevel gear transmission mechanism together.

Further, the movement starting mechanism further comprises: the middle bevel gear B, the rear rotating shaft, the rear bevel gear and the rear cam; the middle bevel gear B is coaxially and fixedly connected to the rear side of the middle transmission shaft; the rear side rotating shaft is rotatably connected to the rear side of the inside of the protection reinforcing layer; the rear bevel gear is coaxially and fixedly connected to the rear rotating shaft; the rear bevel gear and the middle bevel gear B are meshed to form a bevel gear transmission mechanism together; the rear cams are provided with two groups, the two groups of rear cams are respectively fixedly connected to the left side and the right side of the rear rotating shaft, and the two groups of rear cams are respectively positioned on the upper sides of bottom jacking blocks on the two sides of the rear.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the bottom roller drives the protection reinforcing layer to move by adopting the device moving mechanism, the bottom spring supports the bottom roller, when the explosion protection layer is paved at the explosion opening, the bottom roller drives the bottom spring to be arranged inside the protection reinforcing layer, the explosion protection layer is tightly covered at the explosion opening, and then the explosion protection layer is firmly fixed at the explosion opening by the stable inserted nails, so that the protection device can better protect.

According to the utility model, when the protective device is moved by adopting the movement starting mechanism, the rotary handle is pulled out from the upper end face of the protective reinforcing layer, the rotary handle is pulled out and simultaneously drives the bottom roller to slide out from the inside of the protective reinforcing layer, the bottom roller supports the blasting protective layer, a worker pulls the rotary handle to drive the bottom roller to roll on the ground, the problem that a heavier worker of the protective device is difficult to move the protective device is avoided, the worker can conveniently pull the protective device to move, and the physical strength of the worker for moving the protective device is saved.

Drawings

Fig. 1 is a schematic top view of the protective device of the present utility model.

Fig. 2 is a schematic view of the structure of the shielding device of the present utility model.

Figure 3 is a schematic view of the internal transmission structure of the guard according to the utility model.

Fig. 4 is a schematic view of the structure of the bottom roller of the present utility model.

Fig. 5 is a schematic view of the structure of the starting shaft of the present utility model.

Fig. 6 is a schematic diagram of the power transmission structure of the mobile starting mechanism of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a protective reinforcing layer; 2. a protective dust-reducing layer; 3. blasting the protective layer; 4. the pull rope is stabilized; 401. stabilizing the inserted nails; 5. a bottom connecting block; 501. a bottom spring; 502. a bottom top block; 6. a bottom roller; 7. starting a rotating shaft; 701. rotating the handle; 702. a reset torsion spring; 703. a bottom cam; 704. starting a bevel gear; 8. an intermediate transmission shaft; 801. an intermediate bevel gear A; 802. an intermediate bevel gear B; 9. a rear-side rotating shaft; 901. a rear bevel gear; 902. a rear cam.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 to 6:

the utility model provides a blasting protection device, comprising: the device comprises a protection reinforcing layer 1, a protection dust layer 2, a blasting protective layer 3, a stable pull rope 4, a stable plug pin 401, a bottom connecting block 5, a device moving mechanism and a moving starting mechanism; the protective dust-reducing layer 2 is connected to the lower end face of the protective reinforcing layer 1 in a sliding manner; the explosion protection layer 3 is fixedly connected to the lower end face of the protection dust layer 2; four groups of stable pull ropes 4 are arranged in total, and the four groups of stable pull ropes 4 are respectively and fixedly connected to the front side and the rear side of the left end surface and the right end surface of the protection reinforcing layer 1; four groups of stable plug nails 401 are arranged in total, and the four groups of stable plug nails 401 are respectively and fixedly connected to the four groups of stable pull ropes 4; four groups of bottom connecting blocks 5 are arranged in total, and the four groups of bottom connecting blocks 5 are respectively and slidably connected to four corners in the protection reinforcing layer 1; the four groups of device moving mechanisms are respectively arranged on the bottom connecting block 5; the movement starting mechanism is arranged inside the protection reinforcement layer 1.

Wherein, device moving mechanism includes: a bottom spring 501 and a bottom roller 6; the bottom spring 501 is fixedly connected inside the protection reinforcing layer 1, and the bottom spring 501 is elastically connected with the upper end face of the bottom connecting block 5; the bottom roller 6 is fixedly connected to the lower end surface of the bottom connecting block 5, and in use, the bottom spring 501 supports the bottom roller 6 to move on the ground.

Wherein, remove actuating mechanism and include: a start rotating shaft 7, a rotating handle 701 and a reset torsion spring 702; the starting rotating shaft 7 is rotatably connected to the front side inside the protection reinforcing layer 1; the rotary handle 701 is fixedly connected to the middle position of the starting rotating shaft 7; the reset torsion springs 702 are provided with two groups, the two groups of reset torsion springs 702 are respectively fixedly connected to the front side inside the protection reinforcing layer 1, the two groups of reset torsion springs 702 are respectively elastically connected with the starting rotating shaft 7, and in the use process, the hand-wrenching rotating handle 701 rotates to drive the starting rotating shaft 7 to rotate, and the starting rotating shaft 7 rotates to drive the reset torsion springs 702 to stretch out and draw back.

Wherein, remove actuating mechanism still includes: bottom top block 502 and bottom cam 703; the bottom jacking blocks 502 are provided with four groups, and the four groups of bottom jacking blocks 502 are respectively and fixedly connected to the middle positions of the upper end surfaces of the four groups of bottom connecting blocks 5; the bottom cams 703 are provided with two groups, the two groups of bottom cams 703 are respectively fixedly connected to the left side and the right side of the starting rotating shaft 7, the two groups of bottom cams 703 are respectively positioned on the upper sides of the front two groups of bottom jacking blocks 502, in the using process, the starting rotating shaft 7 rotates to drive the bottom cams 703 to rotate, the bottom cams 703 rotate to drive the front two groups of bottom jacking blocks 502 to slide, and the front two groups of bottom jacking blocks 502 slide to drive the front two groups of bottom rollers 6 to slide.

Wherein, remove actuating mechanism still includes: a start bevel gear 704, an intermediate drive shaft 8 and an intermediate bevel gear a801; the starting bevel gear 704 is coaxially and fixedly connected to the starting rotating shaft 7; the middle transmission shaft 8 is rotatably connected inside the protection reinforcing layer 1; the middle bevel gear A801 is coaxially and fixedly connected to the front side of the middle transmission shaft 8, the starting bevel gear 704 and the middle bevel gear A801 are meshed to form a bevel gear transmission mechanism, in the use process, the starting rotation shaft 7 rotates to drive the starting bevel gear 704 to rotate, the starting bevel gear 704 rotates to drive the meshed middle bevel gear A801 to rotate, and the middle bevel gear A801 rotates to drive the middle transmission shaft 8 to rotate.

Wherein, remove actuating mechanism still includes: a middle bevel gear B802, a rear rotary shaft 9, a rear bevel gear 901, and a rear cam 902; the middle bevel gear B802 is coaxially and fixedly connected to the rear side of the middle transmission shaft 8; the rear rotating shaft 9 is rotatably connected to the rear side inside the protection reinforcing layer 1; the rear bevel gear 901 is coaxially and fixedly connected to the rear rotating shaft 9; the rear bevel gear 901 and the middle bevel gear B802 are meshed to form a bevel gear transmission mechanism together; the rear cams 902 are provided with two groups, the two groups of rear cams 902 are respectively fixedly connected to the left side and the right side of the rear rotating shaft 9, the two groups of rear cams 902 are respectively positioned on the upper sides of the rear bottom jacking blocks 502, in the use process, the middle transmission shaft 8 rotates to drive the middle bevel gear B802 to rotate, the middle bevel gear B802 rotates to drive the meshed rear bevel gear 901 to rotate, the rear bevel gear 901 rotates to drive the rear rotating shaft 9 to rotate, the rear rotating shaft 9 rotates to drive the rear cams 902 to rotate, the rear cams 902 rotate to drive the rear bottom jacking blocks 502 to slide, and the rear bottom jacking blocks 502 slide to drive the rear bottom rollers 6 to slide.

Specific use and action of the embodiment:

in the use process, bottom spring 501 supports bottom gyro wheel 6 and moves on ground, it rotates to break rotatory handle 701 and drives start pivot 7 and rotate, start pivot 7 rotates and drives reset torsional spring 702 and stretch out and draw back, start pivot 7 rotates and drives bottom cam 703 and rotate, bottom cam 703 rotates and drives two sets of bottom lifters 502 of front side and slides, two sets of bottom lifters 502 of front side slide and drive two sets of bottom gyro wheels 6 of front side, start pivot 7 rotates and drives start bevel gear 704 and rotate, start bevel gear 704 rotates and drives meshed middle bevel gear A801 and rotates, middle bevel gear A801 rotates and drives middle transmission shaft 8 and rotates, middle transmission shaft 8 rotates and drives middle bevel gear B802 and rotates and drives meshed rear bevel gear 901 and rotate, rear side bevel gear 901 rotates and drives rear side pivot 9 and rotate, rear side cam 902 rotates and drives two sets of bottom lifters 502 of rear side and slides, two sets of bottom lifters 502 of rear side slide and drive two sets of bottom gyro wheels 6 of rear side and slide, convenient protector is realized and moves.

Claims (6)

1. A blast protection device, comprising: the device comprises a protection reinforcing layer (1), a protection dust-reducing layer (2), a blasting protection layer (3), a stable pull rope (4), a stable plug pin (401), a bottom connecting block (5), a device moving mechanism and a movement starting mechanism; the protective dust-reducing layer (2) is connected to the lower end face of the protective reinforcing layer (1) in a sliding manner; the explosion protection layer (3) is fixedly connected to the lower end face of the protection dust-reducing layer (2); four groups of stable pull ropes (4) are arranged in total, and the four groups of stable pull ropes (4) are fixedly connected to the front side and the rear side of the left end and the right end of the protection reinforcing layer (1) respectively; four groups of stable inserting nails (401) are arranged in total, and the four groups of stable inserting nails (401) are fixedly connected to the four groups of stable pull ropes (4) respectively; the four groups of bottom connecting blocks (5) are arranged in total, and the four groups of bottom connecting blocks (5) are respectively and slidably connected to four corners in the protection reinforcing layer (1); the four groups of device moving mechanisms are respectively arranged on the bottom connecting block (5); the movable starting mechanism is arranged inside the protection reinforcing layer (1).

2. A blast protected unit as set forth in claim 1, wherein: the device moving mechanism comprises: a bottom spring (501) and a bottom roller (6); the bottom spring (501) is fixedly connected inside the protection reinforcing layer (1), and the bottom spring (501) is elastically connected with the upper end face of the bottom connecting block (5); the bottom roller (6) is fixedly connected to the lower end face of the bottom connecting block (5).

3. A blast protected unit as set forth in claim 1, wherein: the mobile starting mechanism comprises: a starting rotating shaft (7), a rotating handle (701) and a reset torsion spring (702); the starting rotating shaft (7) is rotatably connected to the front side of the inside of the protection reinforcing layer (1); the rotary handle (701) is fixedly connected to the middle position of the starting rotating shaft (7); two groups of reset torsional springs (702) are arranged in total, the two groups of reset torsional springs (702) are respectively and fixedly connected to the front side inside the protection reinforcing layer (1), and the two groups of reset torsional springs (702) are respectively and elastically connected with the starting rotating shaft (7).

4. A blast protected unit as set forth in claim 3, wherein: the mobile starting mechanism further comprises: a bottom top block (502) and a bottom cam (703); four groups of bottom jacking blocks (502) are arranged in total, and the four groups of bottom jacking blocks (502) are respectively and fixedly connected to the middle positions of the upper end surfaces of the four groups of bottom connecting blocks (5); the bottom cams (703) are provided with two groups, the two groups of bottom cams (703) are respectively fixedly connected to the left side and the right side of the starting rotating shaft (7), and the two groups of bottom cams (703) are respectively positioned on the upper sides of the two groups of bottom jacking blocks (502) on the front side.

5. A blast protected unit as set forth in claim 3, wherein: the mobile starting mechanism further comprises: a starting bevel gear (704), an intermediate transmission shaft (8) and an intermediate bevel gear A (801); the starting bevel gear (704) is coaxially and fixedly connected to the starting rotating shaft (7); the middle transmission shaft (8) is rotatably connected inside the protection reinforcing layer (1); the middle bevel gear A (801) is coaxially and fixedly connected to the front side of the middle transmission shaft (8), and the starting bevel gear (704) and the middle bevel gear A (801) are meshed to form a bevel gear transmission mechanism together.

6. A blast protected unit as set forth in claim 5, wherein: the mobile starting mechanism further comprises: an intermediate bevel gear B (802), a rear rotary shaft (9), a rear bevel gear (901) and a rear cam (902); the middle bevel gear B (802) is coaxially and fixedly connected to the rear side of the middle transmission shaft (8); the rear rotating shaft (9) is rotatably connected to the rear side inside the protection reinforcing layer (1); the rear bevel gear (901) is coaxially and fixedly connected to the rear rotating shaft (9); the rear bevel gear (901) and the middle bevel gear B (802) are meshed to form a bevel gear transmission mechanism together; the rear cams (902) are provided with two groups, the two groups of rear cams (902) are respectively and fixedly connected to the left side and the right side of the rear rotating shaft (9), and the two groups of rear cams (902) are respectively positioned on the upper sides of bottom jacking blocks (502) on the two sides of the rear.