Blasting flying stone protection device

Abstract

The utility model belongs to the technical field of blasting auxiliary equipment, and particularly relates to a blasting flying stone protection device which comprises a mounting frame, a protective cover and a protective cover. The chassis is arranged at the bottom end of the supporting rod; the main inserting pile is arranged on the bottom surface of the chassis; the dynamic protection plate is flexible in a natural state and is hardened when the surface of the dynamic protection plate is impacted by flying stones; wherein the two ends of the dynamic protection plate are fixedly connected with the two supporting rods respectively, and compared with the prior art, the protection performance of the blasting flying stone protection device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the auxiliary equipment technical field of blasting, especially relates to a blasting fly rock protection device. BACKGROUND

[0002] The blasting fly rock protection device is a safety protection device for protecting the hazards caused by fly rocks that may be generated in blasting operations. In blasting operations, due to the action of high explosives, rocks or building materials and the like will be instantaneously blasted, generating a large number of high-speed flying fragments (i.e. fly rocks). These fly rocks may cause serious harm and damage to surrounding personnel, equipment or buildings, and therefore, the design and application of the blasting fly rock protection device becomes particularly important. For example, a blasting fly rock protection net disclosed in Patent No. CN201921367138.X includes a support frame, a second slot is formed in one side of the support frame, arc-shaped blocks are equidistantly welded on the four edges of the second slot, a circular ring is connected to one side of the arc-shaped blocks, a spring is welded to the middle of one side of the circular ring, a first rubber net is welded to one end of the spring, fixed blocks are equidistantly welded on both sides of the support frame, a warning board is hingedly connected to the middle of the upper side of the support frame, support rods are arranged on the upper sides of both sides of the support frame, and a second rubber net is arranged inside the second slot.

[0003] This existing blasting fly rock protection device has effective fly rock protection performance of the rubber net, but cannot effectively absorb the kinetic energy of high-speed fly rocks and is prone to damage due to the impact of fly rocks. The structure of the metal protection net or plate also makes it difficult to store the blasting fly rock protection device, and therefore, it is necessary to make improvements. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above-mentioned technical problems, and provides a blasting fly rock protection device to effectively improve the protection performance of the blasting fly rock protection device and facilitate the storage of the blasting fly rock protection device.

[0005] Therefore, the utility model provides a blasting fly rock protection device, which comprises:

[0006] The mounting frame is composed of two support rods.

[0007] The bottom disc is arranged at the bottom end of the support rod.

[0008] The main plug is arranged on the bottom surface of the bottom disc.

[0009] The utility model further comprises:

[0010] The dynamic protection plate is flexible in a natural state and hardens when the fly rock impacts the surface.

[0011] Two ends of the dynamic protection plate are fixedly connected with the two supporting rods respectively.

[0012] In the technical solution, the dynamic protection plate is flexible in a natural state, which can effectively and conveniently store the blasting fly rock protection device, when the dynamic protection plate is impacted during the use of the blasting fly rock protection device, the surface layer of the dynamic protection plate disperses, hardens and absorbs, and the supporting rod conducts the impact energy to the ground in sequence, so that the impact energy is effectively consumed, the protection performance of the blasting fly rock protection device is improved, and the dynamic protection plate is not easy to be damaged, and the service life of the blasting fly rock protection device is improved.

[0013] In the above technical solution, further, the dynamic protection plate further comprises:

[0014] The plate body is made of a TPU film, a plurality of capsules are arranged on the plate body, and a gap of 1-2mm is formed between adjacent capsules; and a shear thickening fluid is filled in the capsules.

[0015] The wear-resistant surface layer is arranged on the surface of the plate body.

[0016] In the above technical solution, further, the dynamic protection plate further comprises:

[0017] The surface layer pattern is arranged on the surface of the wear-resistant surface layer, and the depth of the surface layer pattern is 0.3-0.5mm.

[0018] In the above technical solution, further, the dynamic protection plate further comprises:

[0019] A plurality of shock-absorbing blocks are arranged on the side wall of the supporting rod and are uniformly distributed along the height direction of the supporting rod.

[0020] In the above technical solution, further, the shock-absorbing block further comprises:

[0021] The inner cavity is arranged in the shock-absorbing block;

[0022] The adding port is arranged on the surface of the shock-absorbing block and communicates with the inner cavity, and a detachable sealing cover is arranged on the adding port;

[0023] The impact friction particles are filled in the inner cavity.

[0024] After the impact friction particles are filled in the inner cavity, 8%-12% of space is left.

[0025] The beneficial effects of the utility model are as follows:

[0026] 1. Through the setting of the dynamic protection plate, the protection performance of the blasting fly rock protection device can be effectively improved, and meanwhile the blasting fly rock protection device is convenient to store.

[0027] 2. Through the setting of the wear-resistant surface layer and the surface layer pattern, the wear resistance and the anti-slippage ability of the dynamic protection plate can be effectively improved.

[0028] 3. Through the setting of the shock-absorbing block, the consumption effect of the impact energy can be further improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0030] Figure 1 is a specific embodiment structure diagram of the present application.

[0031] Figure 2 is a front view structure diagram of the present application.

[0032] Figure 3 is a side view structure diagram of the present application.

[0033] Figure 4 is a dynamic protection plate structure diagram of the present application.

[0034] Figure 5 is a shock-absorbing block structure diagram of the present application.

[0035] The marks in the figure represent:

[0036] 1, support rod; 2, chassis; 3, main pile; 4, dynamic protection plate; 40, plate body; 41, capsule; 42, wear-resistant surface layer; 5, shock-absorbing block; 50, inner cavity; 51, adding port; 52, collision friction particles. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0038] In the description of the present application, it should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0039] Embodiment 1:

[0040] The embodiment of the present application provides a blasting fly rock protection device, which comprises: a mounting frame composed of two support rods 1; a chassis 2 arranged at the bottom end of the support rod 1; a main stake 3 arranged on the bottom surface of the chassis 2;

[0041] Further comprising: a dynamic protection plate 4 which is flexible in a natural state and hardens when impacting the surface of the fly rock;

[0042] Wherein, the two ends of the dynamic protection plate 4 are fixedly connected with the two support rods 1 respectively.

[0043] Moreover, the bottom of the support rod 1 is also provided with an auxiliary stake connected with the support rod 1 through a connecting arm.

[0044] In the embodiment, through the arrangement of the dynamic protection plate 4, the dynamic protection plate 4 is flexible in a natural state, which can effectively facilitate the storage of the blasting fly rock protection device. When the dynamic protection plate 4 is impacted during the deployment and use of the blasting fly rock protection device, the surface layer of the dynamic protection plate is dispersed, hardened and absorbed, and the support rod 1 is sequentially conducted to the ground, which can effectively consume the impact energy, thereby improving the protection performance of the blasting fly rock protection device. Moreover, the dynamic protection plate 4 is not easy to be damaged, thereby improving the service life of the blasting fly rock protection device.

[0045] Embodiment 2:

[0046] The embodiment provides a blasting fly rock protection device, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the dynamic protection plate 4 further comprises: the plate main body 40, the plate main body 40 is made of TPU film, a plurality of capsules 41 are provided on the plate main body 40, there is a gap of 1-2mm between adjacent capsules 41, and the capsules 41 are filled with shear thickening fluid; wear-resistant surface layer 42, wear-resistant surface layer 42 is sprayed on the surface of the plate main body 40.

[0047] Further comprising: surface texture, the surface texture is arranged on the surface of the wear-resistant surface layer 42 and the depth of the surface texture is 0.3-0.5mm.

[0048] Moreover, the capsules 41 are formed by hot pressing TPU film into bags, the shear thickening fluid is encapsulated in the capsules 41 by vacuum infusion and sealed by high-frequency welding, finally, the plate main body 40 is formed by array arrangement, the TPU film is preferably high-density polyurethane elastomer (hardness Shore A 90-95), the nano-SiO2 particles of the shear thickening fluid have a diameter of 50-100nm, are modified by a silane coupling agent on the surface, the wear-resistant surface layer 42 is formed by a wear-resistant ceramic coating (Al2O3 particles+epoxy resin, thickness 0.1-0.2mm) sprayed on the surface of the plate main body 40, and the surface texture is laser engraved.

[0049] In the embodiment, when a fly rock impacts the dynamic protection plate 4, the impact capacity is dissipated by the surface layer, hardened and absorbed by the shear thickening fluid, and dissipated by the energy dissipation path of the support rod 1 to the ground, the shear thickening fluid has a viscosity rise of 10^4 times within milliseconds when the fly rock impacts at high speed, converts the point impact into a surface load, the wear-resistant surface layer 42 and the plate main body 40 can effectively disperse the initial impact force and reduce surface scratches, and the surface texture can improve the anti-slippage capacity of the plate main body 40, specifically, the maximum deformation of the back surface of the dynamic protection plate 4 is 2.8mm (12mm for a traditional rubber material) under an impact energy of 50J, and the energy absorption rate is 82% (35% for a control group of metal mesh), compared with the prior art, the blasting fly rock protection device can effectively improve the protection performance of the blasting fly rock protection device and facilitate storage of the blasting fly rock protection device.

[0050] Embodiment 3:

[0051] The embodiment provides a blasting fly rock protection device, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, further comprising: a plurality of damping blocks 5, the plurality of damping blocks 5 are arranged on the side wall of the support rod 1 and are uniformly and intervally distributed along the height direction of the support rod 1.

[0052] The shock-absorbing block 5 further comprises: an inner cavity 50 arranged inside the shock-absorbing block 5; an adding port 51 arranged on the surface of the shock-absorbing block 5 and communicating with the inner cavity 50, and a detachable sealing cover arranged on the adding port 51; and collision and friction particles 52 filled in the inner cavity 50.

[0053] The inner cavity 50 has a space of 8%-12% after filling the collision and friction particles 52.

[0054] In the embodiment, when the impact energy is consumed through the energy dissipation path of dispersion through the surface layer, hardening absorption of the shear thickening fluid, and conduction to the ground by the support rod 1, the collision and friction particles 52 in the inner cavity 50 of the shock-absorbing block 5 can present a motion trend opposite to the impact direction under the action of inertia after the shock-absorbing block 5 receives the impact energy, so as to further consume the impact energy, and the collision and friction particles 52 further collide and rub with each other under the action of the impact, so as to further convert the impact energy into heat energy for consumption. Compared with the prior art, the utility model further improves the protection performance of the blasting fly rock protection device.

[0055] The embodiments of the application are described above in combination with the drawings, and the embodiments and the features in the embodiments in the application can be combined with each other without conflict, the application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, but not limited, and those skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, and all the forms belong to the protection of the application.

Claims

1. A blasting flyrock protection device, comprising: a mounting frame composed of two support rods (1); a base plate (2) arranged at the bottom end of the support rods (1); a main stake (3) arranged at the bottom surface of the base plate (2); characterized in that it further comprises: a dynamic protection plate (4) which is flexible in a natural state and hardens when a flyrock hits the surface; wherein the two ends of the dynamic protection plate (4) are fixedly connected with the two support rods (1), respectively.

2. A flyrock protection device according to claim 1, wherein, The dynamic protection plate (4) further comprises: a plate body (40) made of TPU film, a plurality of capsules (41) being arranged on the plate body (40), there being a gap of 1-2 mm between adjacent capsules (41), and a shear thickening fluid being filled in the capsules (41); a wear-resistant surface layer (42) sprayed on the surface of the plate body (40).

3. A flyrock protection device according to claim 2, wherein, Further comprising: a surface layer texture arranged on the surface of the wear-resistant surface layer (42) and having a depth of 0.3-0.5 mm.

4. A flyrock protection device according to claim 3, wherein, Further comprising: a plurality of shock-absorbing blocks (5) arranged on the side wall of the support rod (1) and uniformly spaced along the height direction of the support rod (1).

5. A flyrock protection device according to claim 4, wherein, The shock-absorbing block (5) further comprises: an inner cavity (50) arranged inside the shock-absorbing block (5); an adding port (51) arranged on the surface of the shock-absorbing block (5) and communicating with the inner cavity (50), the adding port (51) being provided with a detachable sealing cover; collision and friction particles (52) filled in the inner cavity (50); wherein the inner cavity (50) leaves a space of 8%-12% after filling the collision and friction particles (52).

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