CN109680976B - Mine blasting rubble protector - Google Patents
Mine blasting rubble protector Download PDFInfo
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- CN109680976B CN109680976B CN201910080323.9A CN201910080323A CN109680976B CN 109680976 B CN109680976 B CN 109680976B CN 201910080323 A CN201910080323 A CN 201910080323A CN 109680976 B CN109680976 B CN 109680976B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
- E04H9/10—Independent shelters; Arrangement of independent splinter-proof walls
- E04H9/12—Independent shelters; Arrangement of independent splinter-proof walls entirely underneath the level of the ground, e.g. air-raid galleries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Revetment (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the technical field related to coal mine blasting, in particular to a mine blasting broken stone protection device, which comprises an outer protection frame, an inner protection frame, a mounting substrate and a connecting guard plate, wherein the outer protection frame is connected to the surface of a filling layer in an extrusion mode, vibration reduction plates are clamped inside two groups of sound insulation plates on the inner side, a plurality of groups of connecting guard plates are clamped on the surface of the outer protection frame, the mounting blocks are clamped inside a mounting groove, a plurality of groups of elastic clamping blocks are welded on the surface of the mounting block, and the plurality of groups of elastic clamping blocks are clamped inside the mounting groove: when the backplate is connected in the installation, two sets of backplate of connecting of the one end extrusion of outside protection frame earlier, through the elastic action of elasticity fixture block for multiunit elasticity fixture block joint is in the inside of mounting groove, accomplishes preliminary installation, then slides multiunit slip fixture block, and with its joint in the inside of butt joint piece, has formed secondary joint fixed knot and has constructed, and fixed effect is good, is convenient for install and dismantle, is fit for promoting.
Description
Technical Field
The invention relates to the technical field related to coal mine blasting, in particular to a mine blasting broken stone protection device.
Background
Coal mines are one of important energy sources, and are continuously mined, when the coal mines are mined, the coal mines are required to be blasted, so that broken stones and the like are splashed, and therefore, a protective shelter is required to protect the safety of workers, but the following defects still exist in the practical use of a common protective device:
1. the common protection device adopts a single protection plate for protection, the damage to the inside is directly caused after the single protection plate is damaged, the protection effect is poor, meanwhile, the common protection device is built on the ground, the structural stability is poor, and the protection device is easy to shake and the like after being impacted by broken stones, so that the use effect is poor;
2. the broken stone is protected by the protection plate, the surface of the protection plate is smooth, and the broken stone is easy to splash around after striking on the surface of the protection plate, so that other facilities and staff are easy to be damaged;
3. the common protection device can only play a single protection role, but when broken stones are hit on the surface of the protection device, larger noise is generated, so that certain noise pollution is caused, meanwhile, workers resting in the protection device are influenced, the functionality is poor, and the use effect is poor;
4. the protection device is generally an integral type mounting structure, when the protection device is built, the specific protection device is customized through measuring the volume of the building to be protected, the protection device is inconvenient to install and detach, after part of the protection device is damaged, the whole protection device needs to be replaced, and the use cost is increased.
Disclosure of Invention
The invention aims to provide a mine blasting broken stone protection device which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the mine blasting broken stone protection device comprises an outer protection frame, an inner protection frame, a mounting base plate and a connecting protection plate, wherein the outer protection frame is connected to the surface of a filling layer in an extrusion mode, the inner end of the outer protection frame is clamped with the inner protection frame, a supporting seat is welded on the surface of the inner protection frame, the supporting seat is filled in the filling layer, the surface of the inner protection frame is welded with a plurality of groups of limiting clamping blocks, a plurality of groups of limiting grooves are formed in the inner part of the outer protection frame, the limiting clamping blocks are clamped in the limiting grooves, a supporting frame is welded on the inner wall of the inner protection frame, the surface of the inner protection frame is clamped with a first elastic component, the inner protection frame and the inner side of the inner protection frame are respectively provided with a fixing groove, the first elastic component is clamped in the inner part of the two groups of fixing grooves, the surface of the outer protection frame is welded with a plurality of elastic protruding blocks, a plurality of groups of limiting grooves are respectively arranged between the elastic protruding blocks, the plurality of groups of limiting grooves are respectively arranged in the inner part of the outer protection frame, the inner protection frame is welded with two groups of mounting base plates, the inner clamping blocks of the mounting base plate are internally clamped with a plurality of groups of limiting grooves, each group of the sound insulation board is clamped in the inner side of the two groups of the mounting base plate, one group of the sound insulation board is welded on the inner side of the two groups of the inner protection frame is provided with a plurality of the inner protection plates, the inner protection plate is welded with a plurality of groups of elastic blocks, the inner protection plate is welded on the inner protection plate is connected with the inner protection plates, the inner protection plate, and the inner protection plate is welded with the inner protection plate, and the vibration insulation plate is connected with the vibration insulation plate, and the vibration insulation plate and the vibration absorber plate is connected with the vibration absorber plate. The elastic clamping blocks are clamped in the mounting grooves.
Preferably, the inner protection frame is arranged on the inner side of the outer protection frame, a plurality of groups of limiting clamping blocks are arranged on the surface of the vertical part of the inner protection frame, each limiting clamping block is of an isosceles trapezoid elastic block structure, each limiting groove is arranged at the lower end of the inner part of the outer protection frame, each supporting frame is of a 'king' -shaped platy structure, and the horizontal part of each supporting frame is welded on the inner wall of the vertical part of the inner protection frame.
Preferably, the first elastic component comprises two groups of fixed plates and a plurality of groups of elastic bending rods, the two groups of fixed plates are respectively clamped on the inner walls of the two groups of fixed grooves on the outer protective frame and the inner protective frame, the elastic bending rods are welded on the inner side inner walls of the two groups of fixed plates, and the plurality of groups of elastic bending rods are all bent towards the outer ends.
Preferably, the elastic convex blocks are of isosceles trapezoid elastic plate-shaped structures, the horizontal parts of the plurality of groups of elastic convex blocks are welded on the surface of the outer protection frame, the limiting grooves are of hollow isosceles trapezoid structures, and the plurality of groups of limiting grooves are arranged on the inner sides of the inclined parts of the two groups of elastic convex blocks.
Preferably, the mounting substrate and the sound insulation board are both in a concave plate-shaped structure, the plurality of groups of sound insulation boards are clamped inside the concave parts of the two groups of mounting substrates, the sound absorbing cotton is clamped inside the concave parts of the two groups of sound insulation boards, the vibration reduction board is in a rectangular plate-shaped structure, and the structure of the second elastic piece is identical to that of the first elastic piece.
Preferably, the sliding clamping block consists of a group of L-shaped plates and two groups of isosceles trapezoid elastic blocks, the two groups of isosceles trapezoid elastic blocks are welded on the surface of the horizontal part of the L-shaped plates, the butt joint block is of a rectangular block structure, a limiting groove is formed in the butt joint block, and the sliding clamping block is clamped in the limiting groove.
Preferably, the installation block is rectangular block structure, the elastic clamping block is composed of a group of rectangular blocks and two groups of isosceles trapezoid elastic block structures, the rectangular blocks are welded on the two side surfaces of the installation block, and the isosceles trapezoid elastic block structures are clamped in the installation groove.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:
1. the outer protective frame and the inner protective frame are clamped together through the plurality of groups of limiting clamping blocks, the supporting seat is filled in the filling layer, a multi-layer protection structure is formed, the protection effect is better, meanwhile, the inner protective frame is supported through the supporting frame, the stability of the structure is improved, the inner protective frame is protected through the first elastic piece, and the use effect is good;
2. the surface of the outer protective frame is welded with a plurality of groups of elastic convex blocks, a plurality of groups of limiting grooves are arranged among the plurality of groups of elastic convex blocks, when broken stones are hit on the surface of the outer protective frame, the broken stones are hit on the inclined surfaces of the elastic convex blocks, the plurality of groups of inclined surfaces and the limiting grooves buffer the broken stones, so that the broken stones are prevented from splashing everywhere, and the protection effect is good;
3. the inside joint of mounting substrate has multiunit acoustic celotex board, through the effect of multiunit acoustic celotex board, and the sound that isolated part rubble hit and produce, the inside joint of multiunit acoustic celotex board has the sound cotton of inhaling, absorbs the sound through the effect of inhaling the sound cotton, and the setting of multiple noise protection structure gives sound insulation effectually, has guaranteed the inside silence of interior protection frame, excellent in use effect;
4. when the backplate is connected in the installation, two sets of backplate of connecting of the one end extrusion of outside protection frame earlier, through the elastic action of elasticity fixture block for multiunit elasticity fixture block joint is in the inside of mounting groove, accomplishes preliminary installation, then slides multiunit slip fixture block, and with its joint in the inside of butt joint piece, has formed secondary joint fixed knot and has constructed, and fixed effect is good, is convenient for install and dismantle, is fit for promoting.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection structure of the outer and inner frames according to the present invention;
FIG. 3 is a schematic view of the connection structure between the outer frame and the elastic bump;
FIG. 4 is a schematic view of the connection structure between the mounting substrate and the vibration damping plate according to the present invention;
FIG. 5 is a schematic view of the connection structure of the outer guard frame and the connecting guard plate of the present invention;
FIG. 6 is a schematic diagram of a connection structure between a connection guard and a sliding block according to the present invention.
In the figure: the packing layer 2, the inner protection frame 3, the supporting seat 4, the limiting clamping block 5, the limiting groove 6, the supporting frame 7, the first elastic piece 8, the fixing groove 9, the elastic protruding block 10, the limiting groove 11, the mounting substrate 12, the sound insulation plate 13, the sound absorbing cotton 14, the vibration absorbing plate 15, the second elastic piece 16, the connecting guard plate 17, the sliding groove 18, the sliding clamping block 19, the abutting block 20, the mounting block 21, the mounting groove 22 and the elastic clamping block 23.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a mine blasting rubble protector, including outer protection frame 1, inner protection frame 3, mounting substrate 12 and connection backplate 17, outer protection frame 1 extrusion connection is at the surface of filling layer 2, and the inner joint of outer protection frame 1 has inner protection frame 3, the surface welding of inner protection frame 3 has supporting seat 4, supporting seat 4 fills in the inside of filling layer 2, the surface welding of inner protection frame 3 has multiunit spacing fixture block 5, the inside of outer protection frame 1 is equipped with multiunit spacing groove 6, spacing fixture block 5 joint is in the inside of spacing groove 6, welding has support frame 7 on the inner wall of inner protection frame 3, inner protection frame 3 sets up in the inboard of outer protection frame 1, multiunit spacing fixture block 5 sets up the vertical part surface of inner protection frame 3, spacing fixture block 5 is isosceles trapezoid elastic block structure, spacing groove 6 sets up in the inside lower extreme of outer protection frame 1, the horizontal part welding of support frame 7 is on the vertical part inner wall of inner protection frame 3, inner protection frame 3 passes through spacing fixture block 5 joint in the inside of outer protection frame 1, multiple protection structure has been formed, good protection effect is carried out to support frame 4 simultaneously, and good stability is improved by using support frame 3 to the inside protection frame 3;
referring to fig. 2, the surface of the inner protection frame 3 is clamped with a first elastic piece 8, the inner parts of the outer protection frame 1 and the inner protection frame 3 are respectively provided with a fixed groove 9, the first elastic piece 8 is clamped in the two groups of fixed grooves 9, the first elastic piece 8 consists of two groups of fixed plates and a plurality of groups of elastic bending rods, the two groups of fixed plates are respectively clamped on the inner walls of the two groups of fixed grooves 9 on the outer protection frame 1 and the inner protection frame 3, the elastic bending rods are welded on the inner side inner walls of the two groups of fixed plates, the plurality of groups of elastic bending rods are respectively bent towards the outer ends, and through the elastic action of the plurality of groups of first elastic pieces 8, after broken stones hit the surface of the outer protection frame 1, a reaction force is formed, and impact force generated by the broken stones does not influence the inner protection frame 3, so that the protection effect is good, and the use effect is good;
referring to fig. 3, a plurality of groups of elastic protruding blocks 10 are welded on the surface of the outer protection frame 1, a plurality of groups of limiting grooves 11 are arranged between the plurality of groups of elastic protruding blocks 10, the plurality of groups of limiting grooves 11 are all arranged in the outer protection frame 1, the elastic protruding blocks 10 are of isosceles trapezoid elastic platy structures, the horizontal parts of the plurality of groups of elastic protruding blocks 10 are all welded on the surface of the outer protection frame 1, the limiting grooves 11 are of hollow isosceles trapezoid structures, the plurality of groups of limiting grooves 11 are all arranged on the inner sides of inclined parts of the two groups of elastic protruding blocks 10, when broken stones hit the surface of the outer protection frame 1, the broken stones hit the inclined surfaces of the elastic protruding blocks 10, and the broken stones are buffered through the combined action of the inclined surfaces and the plurality of groups of limiting grooves 11, so that the broken stones are prevented from splashing around;
referring to fig. 4, two groups of mounting substrates 12 are welded in the inner protection frame 3, a plurality of groups of sound insulation plates 13 are clamped in the two groups of mounting substrates 12, a plurality of groups of sound absorption cotton 14 are clamped in the two groups of sound insulation plates 13, a vibration reduction plate 15 is clamped in the two groups of inner sound insulation plates 13, a plurality of groups of second elastic pieces 16 are welded on the inner wall of the vibration reduction plate 15, the mounting substrates 12 and the sound insulation plates 13 are of a concave platy structure, a plurality of groups of sound insulation plates 13 are clamped in the concave parts of the two groups of mounting substrates 12, the sound absorption cotton 14 is clamped in the concave parts of the two groups of sound insulation plates 13, the vibration reduction plate 15 is of a rectangular platy structure, the structure of the second elastic pieces 16 is identical to that of the first elastic pieces 8, generated sound is isolated through the effect of the plurality of groups of sound absorption cotton 14, and meanwhile, the partially permeated sound is absorbed through the effect of the plurality of groups of sound absorption cotton 14, and the multiple noise prevention structures are arranged, so that the use effect is better;
referring to fig. 5 and 6, the surface of the outer protection frame 1 is clamped with a plurality of groups of connecting protection plates 17, the inside of one group of connecting protection plates 17 is provided with a plurality of groups of sliding grooves 18, the inside of the sliding groove 18 is connected with a sliding clamping block 19 in a sliding manner, the surface of the other group of connecting protection plates 17 is welded with a plurality of groups of butt joint blocks 20, the sliding clamping block 19 is clamped in the butt joint blocks 20, the sliding clamping block 19 consists of a group of L-shaped plates and two groups of isosceles trapezoid elastic blocks, the two groups of isosceles trapezoid elastic blocks are welded on the surface of the horizontal part of the L-shaped plates, the butt joint blocks 20 are in a rectangular block structure, the inside of the butt joint blocks 20 is provided with limiting grooves, the sliding clamping blocks 19 are clamped in the inside of the butt joint blocks 20 under the elastic action of the isosceles trapezoid elastic blocks on the sliding clamping blocks 19, and the clamping structure is simple, so that the outer protection frame 1 and the connecting protection plates 17 can be conveniently installed and disassembled;
referring to fig. 5, the surface welding of connecting backplate 17 has multiunit installation piece 21, the inside of outer protection frame 1 is equipped with multiunit mounting groove 22, installation piece 21 joint is in the inside of mounting groove 22, and the surface welding of installation piece 21 has multiunit elastic clamping block 23, multiunit elastic clamping block 23 joint is in the inside of mounting groove 22, installation piece 21 is rectangular block structure, elastic clamping block 23 comprises a set of rectangular block and two sets of isosceles trapezoid elastic block structures, rectangular block welding is on the both sides surface of installation piece 21, multiunit isosceles trapezoid elastic block structure all joint is in the inside of mounting groove 22, extrude the surface at outer protection frame 1 with two sets of connecting backplate 17, through the elasticity effect of elastic clamping block 23, make installation piece 21 and elastic clamping block 23 joint in the inside of mounting groove 22, the setting of secondary joint fixed knot constructs, multiple joint fixed knot constructs, fixed effect is good.
Working principle: during practical operation, the outer protective frame 1 and the framework of the inner protective frame 3 are firstly arranged on the surface of the filling layer 2, the supporting seat 4 is filled in the filling layer 2, the supporting seat 4 is clamped and fixed with the outer protective frame 1 through the limiting clamping blocks 5, a preliminary clamping and fixing structure is formed, the stability of the structure is improved, meanwhile, the supporting frame 7 supports the inner part of the inner protective frame 3, the stability of the structure is further improved, the outer protective frame 1 and the inner protective frame 3 are connected together through the plurality of groups of first elastic pieces 8, during the use, when broken stones strike the surface of the outer protective frame 1, the broken stones are subjected to reaction force through the elastic action of the plurality of groups of first elastic pieces 8, and then the inner protective frame 3 is protected, the multilayer protective structure is arranged, the protection effect is good, the use effect is better, due to the arrangement of the plurality of groups of elastic protruding blocks 10 and the limiting grooves 11, and when the broken stones strike the surface of the outer protective frame 1, through the elastic action of the elastic protruding blocks 10 and the action of the inclined surface, broken stone is enabled to be quickly flicked to the ground, broken stone is prevented from splashing everywhere, the protection quality of the outer protection frame 1 is improved, the use effect is good, meanwhile, a plurality of groups of sound insulation plates 13 are clamped in the installation base plate 12, a plurality of groups of sound absorption cotton 14 are clamped in the sound insulation plates 13, the broken stone is isolated from striking the sound of the outer protection frame 1 through the sound insulation plates 13, the sound generated by striking is further absorbed through the sound absorption cotton 14, the sound insulation effect of the inner protection frame 3 is good, rest and the like of personnel in the inner protection frame 3 are not affected, the vibration generated in the inner protection frame 3 is reduced through the action of a plurality of groups of second elastic pieces 16 in the vibration reduction plate 15, the stability of the structure is improved, the use quality of the inner protection frame 3 is guaranteed, when a plurality of groups of connecting protection plates 17 are installed, a plurality of groups of sliding clamping blocks 19 are slid, make multiunit slip fixture block 19 joint fix in the inside of butt joint piece 20, accomplish multiunit connection backplate 17's concatenation fixed, simultaneously with installation piece 21 through multiunit elasticity fixture block 23 joint in the inside of mounting groove 22, formed secondary fixed knot and construct, multiple fixed knot constructs's setting, fixed effect is good, excellent in use effect to adopt the mounting structure of concatenation formula, be convenient for install and dismantle protector, simple structure, excellent in use effect is fit for promoting.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a mine blasting rubble protector, includes outer protection frame (1), interior protection frame (3), mounting substrate (12) and connects backplate (17), its characterized in that: the utility model discloses a sound insulation board, including filling layer (2), outer fender bracket (1), support frame (7) are welded on the surface of filling layer (2), and the inner joint of outer fender bracket (1) has interior fender bracket (3), the surface welding of interior fender bracket (3) has supporting seat (4), supporting seat (4) are filled in the inside of filling layer (2), and the surface welding of interior fender bracket (3) has multiunit spacing fixture block (5), and the inside of outer fender bracket (1) is equipped with multiunit spacing groove (6), spacing fixture block (5) joint is in the inside of spacing groove (6), and the welding has support frame (7) on the inner wall of interior fender bracket (3), and the surface joint of interior fender bracket (3) has first elastic component (8), and the inside of outer fender bracket (1) and interior fender bracket (3) all is equipped with fixed slot (9), first elastic component (8) joint is in the inside of two sets of fixed slot (9), and the surface welding of outer fender bracket (1) has multiunit elastic bump (10), and multiunit spacing recess (11) all are equipped with between elastic bump (10), and the sound-absorbing board (12) of two sets of interior fender bracket (13) are installed in two sets of sound insulation board (13), the inside joint of two sets of acoustic baffles (13) in inboard has vibration damper (15), the welding has multiunit second elastic component (16) on the inner wall of vibration damper (15), and the surface joint of outer protection frame (1) has multiunit connection backplate (17), a set of the inside of connection backplate (17) is equipped with multiunit sliding tray (18), the inside sliding connection of sliding tray (18) has sliding fixture block (19), and the surface welding of another group connection backplate (17) has multiunit butt joint piece (20), sliding fixture block (19) joint is in the inside of butt joint piece (20), and the surface welding of connection backplate (17) has multiunit installation piece (21), and the inside of outer protection frame (1) is equipped with multiunit mounting groove (22), installation piece (21) joint is in the inside of mounting groove (22), and the surface welding of installation piece (21) has multiunit elastic fixture block (23), multiunit elastic fixture block (23) joint in the inside of mounting groove (22).
The first elastic piece (8) consists of two groups of fixing plates and a plurality of groups of elastic bending rods, the two groups of fixing plates are respectively clamped on the inner walls of two groups of fixing grooves (9) on the outer protective frame (1) and the inner protective frame (3), the elastic bending rods are welded on the inner walls of the two groups of fixing plates, and the plurality of groups of elastic bending rods are bent outwards;
the installation block (21) is of a rectangular block structure, the elastic clamping block (23) is composed of a group of rectangular blocks and two groups of isosceles trapezoid elastic block structures, the rectangular blocks are welded on the two side surfaces of the installation block (21), and the plurality of groups of isosceles trapezoid elastic block structures are clamped inside the installation groove (22).
2. A mine blasting rubble protection device according to claim 1, wherein: the inner protection frame (3) is arranged on the inner side of the outer protection frame (1), a plurality of groups of limiting clamping blocks (5) are arranged on the surface of the vertical part of the inner protection frame (3), the limiting clamping blocks (5) are of isosceles trapezoid elastic block structures, limiting grooves (6) are formed in the lower end of the inner part of the outer protection frame (1), the supporting frame (7) is of a 'king' -shaped platy structure, and the horizontal part of the supporting frame (7) is welded on the inner wall of the vertical part of the inner protection frame (3).
3. A mine blasting rubble protection device according to claim 1, wherein: the elastic lugs (10) are of isosceles trapezoid elastic plate-shaped structures, the horizontal portions of the plurality of groups of elastic lugs (10) are welded on the surface of the outer protection frame (1), the limiting grooves (11) are of hollow isosceles trapezoid structures, and the plurality of groups of limiting grooves (11) are arranged on the inner sides of the inclined portions of the two groups of elastic lugs (10).
4. A mine blasting rubble protection device according to claim 1, wherein: the installation base plate (12) and the acoustic baffle (13) are of a concave platy structure, the acoustic baffle (13) is clamped inside the concave parts of the two groups of installation base plates (12), the sound absorbing cotton (14) is clamped inside the concave parts of the two groups of acoustic baffle (13), the vibration reduction plate (15) is of a rectangular platy structure, and the structure of the second elastic piece (16) is identical to that of the first elastic piece (8).
5. A mine blasting rubble protection device according to claim 1, wherein: the sliding clamping block (19) consists of a group of L-shaped plates and two groups of isosceles trapezoid elastic blocks, the two groups of isosceles trapezoid elastic blocks are welded on the surface of the horizontal part of the L-shaped plates, the butt joint block (20) is of a rectangular block structure, a limiting groove is formed in the butt joint block (20), and the sliding clamping block (19) is clamped in the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080323.9A CN109680976B (en) | 2019-01-28 | 2019-01-28 | Mine blasting rubble protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080323.9A CN109680976B (en) | 2019-01-28 | 2019-01-28 | Mine blasting rubble protector |
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| CN109680976A CN109680976A (en) | 2019-04-26 |
| CN109680976B true CN109680976B (en) | 2023-09-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110207557B (en) * | 2019-06-20 | 2024-02-27 | 保利民爆哈密有限公司 | Protective net cover for controlling blasting flying stone by rock ore |
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| KR19990027077U (en) * | 1997-12-22 | 1999-07-15 | 김삼수 | Temporary soundproof wall panel fastening device |
| KR200307184Y1 (en) * | 2002-12-06 | 2003-03-15 | 김장연 | a sheet pile to protect from falling objects |
| CN203008399U (en) * | 2012-12-31 | 2013-06-19 | 潘娅红 | Protective shed for isolating flying stones |
| CN206418616U (en) * | 2017-01-20 | 2017-08-18 | 上海通用金属结构工程有限公司 | A kind of protective plate of roofing explosion venting device |
| CN208072678U (en) * | 2018-03-12 | 2018-11-09 | 浙江禾泽都林建筑规划设计有限公司 | A kind of interior wall sound panel |
| CN108678515A (en) * | 2018-06-17 | 2018-10-19 | 沈阳建筑大学 | The explosion-proof cabin of large deformation buffer-type |
| CN109184271A (en) * | 2018-10-15 | 2019-01-11 | 南京工业大学 | A kind of pavilion of taking refuge that School sports field uses |
| CN209585670U (en) * | 2019-01-28 | 2019-11-05 | 保利民爆哈密有限公司 | A kind of mine blasting rubble protective device |
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