CN210321465U - Mine blasting prevents flying stone safety canopy - Google Patents

Abstract

The utility model relates to a blasting field discloses a mine blasting prevents flying stone safety canopy, including a plurality of vaulting poles and two sets of stands, the vaulting pole is installed between two sets of stands, the cladding is fixed with the separation skin on the vaulting pole, the upper end fixed mounting of a set of stand has the angle steel, the V type groove shape phase-match that angle steel and stand upper end were seted up, the last fixed surface of angle steel install with angle steel shape assorted connecting plate, the broken line type recess has been seted up for the upper surface of V type and connecting plate to the connecting plate, fixedly connected with spliced pole on the connecting plate, this scheme adopts stand and vaulting pole cooperation to use and forms safe canopy frame, be equipped with reinforcing apparatus between stand and the vaulting pole, can effectual dispersion vaulting pole receive the impact force of flying stone, its structure is more stable, and because the setting of safe canopy is not fixed, can satisfy the.

Description

Mine blasting prevents flying stone safety canopy

Technical Field

The utility model relates to a blasting field, more specifically say, in particular to stone safety canopy is prevented flying in mine blasting.

Background

At present can produce some flying stones in the mine blasting operation work progress, can produce life danger to the operating personnel, consequently can all be equipped with the safety canopy near mine blasting and hide in order to supply the personnel, the chinese utility model that publication number is CN208968385U discloses an air space structure for mine blasting. Including the big gun hole, be provided with the spacer bar in the big gun hole, the upper end of spacer bar is the petal form and evenly is provided with a plurality of support arms, is provided with explosive bag on the support arm, is provided with the sealed material layer that is used for sealed big gun hole in the explosive bag, is provided with the explosive layer above the sealed material layer, is provided with the filling layer above the explosive layer. When the bottom of the blast hole is provided with a small amount of water and water-resistant explosive, the blasting hole can block water at the bottom of the hole without influencing the blasting effect, and when the bottom of the hole is not provided with water and is directly placed at the bottom of the hole, the blasting hole can play the role of an air spacer, so that the blasting effect is not influenced, the explosive is saved, the blasting hole is simple and convenient to construct, the manufacturing cost is low, and the construction cost is greatly saved.

The above-mentioned application document discloses separation skin and separation inlayer on the safety canopy for cushion when falling into the safety canopy to flying stone, but current safety canopy stability is not good, and this scheme is used for increasing the holistic stability of safety canopy, especially can increase the stability on safety canopy upper portion, and the structure of laying on the safety canopy no longer states tiredly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mine blasting prevents flying stone safety canopy to solve the not enough problem of safety canopy stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mine blasting flying stone prevention safety shed comprises a plurality of arch bars and two groups of stand columns, wherein the arch bars are installed between the two groups of stand columns, a separation outer layer is fixedly coated on the arch bars, angle steel is fixedly installed at the upper ends of the group of stand columns, the shape of the angle steel is matched with that of a V-shaped groove formed in the upper ends of the stand columns, a connecting plate matched with the shape of the angle steel is fixedly installed on the upper surface of the angle steel, the connecting plate is V-shaped, a broken line type groove is formed in the upper surface of the connecting plate, a connecting column is fixedly connected onto the connecting plate, the connecting column and the connecting plate form a square tube structure, a cavity is formed in the middle of the connecting column, a plurality of jacks are formed in the connecting column, two ends of the arch bars are respectively inserted into the two jacks in corresponding positions, the connecting column is fixedly connected, be equipped with reinforcing apparatus between stand and the arch bar, can effectual dispersion arch bar receive the impact force of flying stone, its structure is more stable, and because the setting of safe canopy is not fixed, can satisfy the demand that the frequent installation of operation personnel was dismantled.

Furthermore, the fixing device comprises a second screw, a screw rod part of the second screw sequentially penetrates through a first through hole formed in the connecting column and a second through hole formed in the arch bar and is installed in a threaded groove formed in the inserting hole in a threaded mode, and the arch bar can be fixed on the connecting column through the fixing device.

Furthermore, the inner wall of the second through hole is provided with a second through hole matched with the thread shape of the second screw, so that the stability of the second screw during installation can be improved, and the second screw is not easy to loosen.

Further, the angle steel is fixedly welded at the upper ends of the group of stand columns.

Further, connecting plate and angle steel pass through first screw and nut fixed connection, the spacing portion of first screw is located the cavity, the screw rod portion of first screw runs through connecting plate and angle steel in proper order and threaded connection has the nut.

Furthermore, a gasket is arranged between the nut and the angle steel.

Further, the lower extreme fixedly connected with bottom plate of stand, the bottom plate passes through pre-buried inserted bar and ground fixed connection.

Further, the upright posts and the bottom plate are reinforced through reinforcing rods.

Compared with the prior art, the utility model has the advantages of: when the safety canopy is installed to needs, fix the stand subaerial through pre-buried inserted bar, this department is the means commonly used among the prior art, does not account for here again, with the connecting plate through first screw and nut fixed mounting on the angle steel, with the spliced pole welding on the connecting plate, the spacing portion on first screw upper portion installs in the cavity, the shape of cavity is not restricted and shown with the drawing, here should not become the utility model discloses a restriction, insert the vaulting pole and establish in the jack and fix through the second screw, when the safety canopy received the impact of flying stone, the vaulting pole can be with the power dispersion that receives to the spliced pole on the whole, effectively disperses the atress of safety canopy upper portion both sides, increases the anti impulsive force ability of device.

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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic diagram of the structure at a in fig. 1.

Description of reference numerals: the novel steel plate comprises a vertical column 1, an arch bar 2, a bottom plate 3, a pre-buried inserted bar 4, a reinforcing bar 5, angle steel 6, a connecting plate 7, a first screw 8, a nut 9, a cavity 10, a connecting column 11, a second screw 12, a second through hole 13, a first through hole 14, a threaded groove 15 and a jack 16.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1 and 2, the utility model provides a mine blasting flyrock-proof safety shed, which comprises a plurality of arch bars 2 and two sets of upright posts 1, wherein the arch bars 2 are arranged between the two sets of upright posts 1, the arch bars 2 are wrapped and fixed with a blocking outer layer, the upper ends of the sets of upright posts 1 are fixedly provided with angle steel 6, the angle steel 6 is matched with the shape of a V-shaped groove arranged at the upper ends of the upright posts 1, the upper surface of the angle steel 6 is fixedly provided with a connecting plate 7 matched with the shape of the angle steel 6, the connecting plate 7 is V-shaped, the upper surface of the connecting plate 7 is provided with a zigzag groove, the zigzag groove is used for placing a limiting part of a first screw 8, the connecting plate 7 is fixedly connected with a connecting post 11, the connecting post 11 and the connecting plate 7 form a square pipe structure, the middle part of the connecting post 11 is provided with a cavity 10, the connecting post, the spliced pole 11 passes through fixing device and 2 tip fixed connection of arch bar, and the scheme adopts stand 1 and 2 cooperation uses of arch bar to form safe canopy frame, is equipped with reinforcing apparatus between stand 1 and the arch bar 2, can effectual dispersion arch bar 2 receive the impact force of flying stone, and its structure is more stable, and because the setting of safe canopy is not fixed, can satisfy the demand that the operation personnel often install and dismantle.

In this embodiment, the fixing device includes a second screw 12, a screw portion of the second screw 12 sequentially penetrates through a first through hole 14 formed in the connecting column 11 and a second through hole 13 formed in the arch bar 2 and is threadedly mounted in a threaded groove 15 formed in the insertion hole 16, and the fixing device can fix the arch bar 2 on the connecting column 11.

In this embodiment, the inner wall of the second through hole 13 is provided with the second through hole 13 matching with the thread shape of the second screw 12, so that the stability of the second screw 12 during installation can be increased, and the second screw is not easy to loosen.

In this embodiment, the angle steel 6 is fixedly welded to the upper ends of the group of columns 1.

In this embodiment, the connecting plate 7 and the angle iron 6 are fixedly connected through a first screw 8 and a nut 9, the limiting part of the first screw 8 is located in the cavity 10, and the screw part of the first screw 8 sequentially penetrates through the connecting plate 7 and the angle iron 6 and is in threaded connection with the nut 9.

In this embodiment, a spacer is provided between the nut 9 and the angle iron 6.

In this embodiment, the lower extreme fixedly connected with bottom plate 3 of stand 1, bottom plate 3 are through pre-buried inserted bar 4 and ground fixed connection.

In this embodiment, the vertical column 1 and the bottom plate 3 are reinforced by a reinforcing rod 5.

When the safety shed is installed to needs, fix stand 1 subaerial through pre-buried inserted bar 4, this department is the common-use means among the prior art, it states no longer tired here, with connecting plate 7 through first screw 8 and nut 9 fixed mounting on angle steel 6, with spliced pole 11 welding on connecting plate 7, the spacing portion on first screw 8 upper portion is installed in cavity 10, the shape of cavity 10 is not limited and is shown with figure 2, should not become here the utility model discloses a restriction, insert arch bar 2 and establish in jack 16 and fix through second screw 12, when the safety shed receives the impact of flying stone, arch bar 2 can be with the power dispersion that receives to spliced pole 11 on the whole, the atress of effectual dispersion safety shed upper portion both sides, increase the impact resistance ability of device.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications can be made by the owner within the scope of the appended claims, for example, the conventional replacement of the specific shape of the cavity 10, as long as the protection scope of the present invention is not exceeded by the claims.

Claims (8)

1. The utility model provides a mine blasting prevents flying stone safety canopy, includes a plurality of vaulting poles (2) and two sets of stand (1), vaulting pole (2) are installed between two sets of stand (1), the cladding is fixed with the separation skin on vaulting pole (2), its characterized in that: the upper end fixed mounting of a set of stand (1) has angle steel (6), the V type groove shape phase-match that angle steel (6) and stand (1) upper end were seted up, the last fixed surface of angle steel (6) install with angle steel (6) shape assorted connecting plate (7), broken line type recess has been seted up for the upper surface of V type and connecting plate (7) in connecting plate (7), fixedly connected with spliced pole (11) are gone up in connecting plate (7), spliced pole (11) form square tubular construction and middle part with connecting plate (7) and are formed with cavity (10), a plurality of jacks (16) have all been seted up on spliced pole (11), the both ends of vaulting pole (2) are inserted respectively and are established in two jacks (16) that correspond the position, the tip fixed connection of spliced pole (11) through fixing device and vaulting pole (2).

2. The safety shed for preventing flying stones in mine blasting according to claim 1, characterized in that: the fixing device comprises a second screw (12), and a screw part of the second screw (12) sequentially penetrates through a first through hole (14) formed in the connecting column (11) and a second through hole (13) formed in the arch bar (2) and is installed in a threaded groove (15) formed in the inserting hole (16) in a threaded mode.

3. The mine blasting flying stone prevention safety shed according to claim 2, characterized in that: and the inner wall of the second through hole (13) is provided with a second through hole (13) matched with the thread distribution shape of the second screw (12).

4. The safety shed for preventing flying stones in mine blasting according to claim 1, characterized in that: the angle steel (6) is fixedly welded at the upper ends of the group of upright posts (1).

5. The safety shed for preventing flying stones in mine blasting according to claim 1, characterized in that: connecting plate (7) and angle steel (6) are through first screw (8) and nut (9) fixed connection, the spacing portion of first screw (8) is located cavity (10), the screw rod portion of first screw (8) runs through connecting plate (7) and angle steel (6) and threaded connection has nut (9) in proper order.

6. The mine blasting flying stone prevention safety shed according to claim 5, characterized in that: and a gasket is arranged between the nut (9) and the angle steel (6).

7. The safety shed for preventing flying stones in mine blasting according to claim 1, characterized in that: the lower extreme fixedly connected with bottom plate (3) of stand (1), bottom plate (3) are through pre-buried inserted bar (4) and ground fixed connection.

8. The mine blasting flying stone prevention safety shed according to claim 7, characterized in that: the upright posts (1) and the bottom plate (3) are reinforced through reinforcing rods (5).

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