CN103852372A - Wave removing structure of large explosive wave simulation device - Google Patents
Wave removing structure of large explosive wave simulation device Download PDFInfo
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- CN103852372A CN103852372A CN201410101012.3A CN201410101012A CN103852372A CN 103852372 A CN103852372 A CN 103852372A CN 201410101012 A CN201410101012 A CN 201410101012A CN 103852372 A CN103852372 A CN 103852372A
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- orifice plate
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Abstract
The invention relates to the technical field of wave removing structures of explosive wave simulation devices and discloses a wave removing structure of a large explosive wave simulation device. The wave removing structure of the large explosive wave simulation device comprises a wave removing tube body (1) which is in an arched structure with a plurality of through holes, wherein a sliding rail (4) is fixed on the inner wall of the wave removing tube body (1); a plurality of wave removing pore plates (2) are arranged in the wave removing tube body (1); the wave removing pore plates (2) are semicircular steel plates with a plurality of through holes; the wave removing pore plates (2) are matched with the sliding rail (4) through a sliding assembly (3); a locking device (5) is arranged between the wave removing pore plates (2) and the wave removing tube body (1); the wave removing tube body (1) is fixed on a reinforced concrete foundation. The wave removing structure of the large explosive wave simulation device has the characteristics of being good in wave removing and noise reducing effect, adjustable in interaction effect of shock wave and the wave removing structure, simple in structure, safe and reliable, strong in operability and the like. The wave removing structure of the large explosive wave simulation device plays an important role of meeting target experimental conditions and guaranteeing surrounding environment of a place.
Description
Technical field
The present invention relates to the technology category of blast wave analogue means development, relate in particular to the wave absorption structure that reaches a kind of large-scale blast wave analogue means of wave absorption noise reduction by cutting down shock wave energy.
Technical background
In the time that in blast wave analogue means, explosive load is larger, the shock wave in device exit may cause damage of building in quite on a large scale, simultaneously, the rarefaction wave of upstream advancing also may arrive experimental section too early, thereby destroy the simulated environment of target, and wave absorption structure can be cut down the surge pressure of exit shock wave, and can regulate to a certain extent and suppress the up impact on target of rarefaction wave.Therefore, the design of wave absorption structure, to improving the security of large-scale blast wave analogue means, ensures that test place environment and target simulated environment have a very important role.
Summary of the invention
The object of the invention is to propose a kind of wave absorption structure of large-scale blast wave analogue means, can cut down shock wave energy, meet target experiment condition and ensure place surrounding enviroment, thering is adjustable, simple in structure, safe and reliable, the workable feature of wave absorption excellent noise reduction effect, shock wave and wave absorption structure repercussion effect.
For achieving the above object, the present invention takes following technical scheme:
A wave absorption structure for large-scale blast wave analogue means, described wave absorption structure is positioned at the end of large-scale blast wave analogue means, is fixed in the reinforced concrete agent structure of large-scale blast wave analogue means endpiece; The wave absorption body that described wave absorption structure has is the domes with several through holes; On the internal face of described wave absorption body, be fixed with in order to wave absorption orifice plate along the axially movable sliding rail of clipper tube body; Described wave absorption orifice plate is arranged in wave absorption body, and described wave absorption orifice plate is the polylith that front and back arrange; Described wave absorption orifice plate is the semicircle doughnut-shaped steel plate with several through holes; Described wave absorption orifice plate coordinates with described sliding rail by slide assemblies, in order to adjust the position of wave absorption orifice plate in wave absorption body; Between described wave absorption orifice plate and wave absorption body, be provided with locking device, in order to wave absorption orifice plate and wave absorption body are connected as one; Described wave absorption body is fixed on reinforced concrete bed by the foot bolt being arranged on the connecting bottom board of wave absorption body both sides.
Described wave absorption body is the domes that connected and composed by some sections of sections of jurisdiction with holes, and the two ends of every section of section of jurisdiction with holes are all fixed with joint flange; Adjacent two sections of sections of jurisdiction with holes connect by joint flange, and between joint flange, have the aluminium matter packing ring I in order to the sealing of wave absorption body and compatibility of deformation; The endpiece of wave absorption body is provided with the rarefaction wave canceller locating piece for rarefaction wave canceller is installed; On the outer wall of described section of jurisdiction with holes, be welded with orthogonal hoop gusset and longitudinal gusset, in order to strengthen the intensity of section of jurisdiction with holes; In the seal groove of described connecting bottom board, be provided with the sealing strip sealing between connecting bottom board and reinforced concrete bed; The percentage of open area of described section of jurisdiction with holes is 16.7%.
Described wave absorption orifice plate is made up of wave absorption orifice plate panel and wave absorption orifice plate arc plate and wave absorption orifice plate fixed block; Described wave absorption orifice plate panel is the semicircle doughnut-shaped steel plate with several through holes; Described wave absorption orifice plate arc plate is welded on the exterior arc surface of wave absorption orifice plate panel; Between described wave absorption orifice plate panel and wave absorption orifice plate arc plate, be provided with to strengthen the wave absorption orifice plate back up pad of wave absorption orifice plate rigidity; On described wave absorption orifice plate arc plate, be fixed with to install the wave absorption orifice plate fixed block of locking device; Described wave absorption orifice plate panel has circular hole, and percentage of open area is 16.7%.
Described slide assemblies includes guide wheel bracket, angle sheave, spindle nose catch and the axis of guide; Described angle sheave is connected to one end of the axis of guide by bearing; Described guide wheel bracket is fixed on the axis of guide; Described spindle nose catch is fixed on the axis of guide, spacing for angle sheave and bearing.
Described sliding rail is made up of slide rail fixed block and slip rail, and described slip rail fixed block is welded on the inwall of wave absorption body, slip rail by bolted on slip rail fixed block.
Described locking device includes wave absorption orifice plate latch segment and wave absorption orifice plate lock pad; Described wave absorption orifice plate lock pad is positioned at the inner side of wave absorption orifice plate fixed block; Described wave absorption orifice plate latch segment is a larger through hole outside that is stuck in section of jurisdiction with holes, less one is threaded with described wave absorption orifice plate lock pad through through hole.
The entrance point of described wave absorption body is provided with the connector in order to be connected with outlet section; Described connector is connected with outlet section by oral area end face built-in fitting; Described connector is domes; On described connector, be provided with the connector back up pad for increasing connector rigidity; Between connector and corresponding oral area end face built-in fitting, accompany for sealing and the aluminium matter packing ring II of compatibility of deformation.
The wave absorption structure of a kind of large-scale blast wave analogue means that the present invention proposes, by the interaction between shock wave and section of jurisdiction with holes, wave absorption orifice plate, and the useful space of wave absorption section is cut down consumption shock wave energy, meet target experiment condition and ensured place surrounding enviroment, there is adjustable, simple in structure, safe and reliable, the workable feature of wave absorption excellent noise reduction effect, shock wave and wave absorption structure repercussion effect, to meeting target experiment condition and ensureing that place surrounding enviroment have vital role.
Accompanying drawing explanation
Fig. 1 a is large-scale blast wave analogue means wave absorption structure schematic diagram.
Fig. 1 b is cross-sectional view of the present invention.
Fig. 2 is clipper tube body structure schematic diagram of the present invention.
Fig. 3 a is wave absorption AND DEWATERING FOR ORIFICE STRUCTURE schematic diagram of the present invention.
Fig. 3 b is wave absorption orifice plate left view of the present invention.
Fig. 4 is slide assemblies structural representation of the present invention.
Fig. 5 is sliding rail structural representation of the present invention.
Fig. 6 is wave absorption orifice plate locking device structure schematic diagram of the present invention.
Fig. 7 is oral area end face embedded part structure schematic diagram of the present invention.
Fig. 8 is connector structural representation of the present invention.
Fig. 9 is foundation bolt structure schematic diagram of the present invention.
In figure: 1, wave absorption body, 2, wave absorption orifice plate, 3, slide assemblies, 4, sliding rail, 5, locking device, 6, oral area end face built-in fitting, 7, connector, 8, foot bolt, 11, section of jurisdiction with holes, 12, hoop gusset, 13, longitudinally gusset, 14, connecting bottom board, 15, joint flange, 16, sealing strip, 17, aluminium matter packing ring I, 18, rarefaction wave canceller locating piece, 21, wave absorption orifice plate panel, 22, wave absorption orifice plate arc plate, 23, wave absorption orifice plate back up pad, 24, wave absorption orifice plate fixed block, 31, slip rail fixed block, 32, slip rail, 35, wave absorption orifice plate latch segment, 36, wave absorption orifice plate lock pad, 37, hexagonal nut I, 41, guide wheel bracket, 42, angle sheave, 43, bearing, 44, circlip, 45, spindle nose catch, 46, the axis of guide, 47, sunk screw, 48, hexagonal nut II, 51, screw, 52, hexagon head bolt, 53, screw mandrel, 54, connector back up pad, 55, aluminium matter packing ring II, 61, hex-head nut, 62, plain washer, 63, lower margin screw, 64, lower margin screw mandrel, 65, channel-section steel.
Embodiment
With specific embodiment, invention is illustrated by reference to the accompanying drawings.
As shown in Figure 1 a, 1 b, a kind of wave absorption structure of large-scale blast wave analogue means, described wave absorption structure is positioned at the end of large-scale blast wave analogue means, is fixed in the reinforced concrete agent structure of large-scale blast wave analogue means endpiece; The wave absorption body 1 that described wave absorption structure has is for having the domes of several through holes; On the internal face of described wave absorption body 1, be fixed with in order to wave absorption orifice plate 2 along the axially movable sliding rail 4 of wave absorption body 1; Described wave absorption orifice plate 2 is arranged in wave absorption body 1, and described wave absorption orifice plate 2 is for three of front and back setting, can be arranged on the diverse location place in wave absorption body 1 according to experiment demand; Described wave absorption orifice plate 2 is for having the semicircle doughnut-shaped steel plate of several through holes; Described wave absorption orifice plate 2 coordinates with described sliding rail 4 by slide assemblies 3, in order to adjust the position of wave absorption orifice plate 2 in wave absorption body 1; Between described wave absorption orifice plate 2 and wave absorption body 1, be provided with locking device 5, in order to wave absorption orifice plate 2 and wave absorption body 1 are connected as one; Described wave absorption body 1 is fixed on reinforced concrete bed by the connecting bottom board 14, the foot bolt 8 that are arranged on wave absorption body both sides.
As shown in Fig. 1 a, Fig. 1 b and Fig. 2, the domes that described wave absorption body 1 connects and composes for the section of jurisdiction with holes 11 that is 3m by four segment length, the two ends of every section of section of jurisdiction 11 with holes are all fixed with joint flange 15; Adjacent two sections of sections of jurisdiction 11 with holes connect by joint flange 15, and between joint flange 15, have the aluminium matter packing ring I 17 in order to the sealing of wave absorption body and compatibility of deformation; The endpiece of wave absorption body 1 is provided with the rarefaction wave canceller locating piece 18 for rarefaction wave canceller is installed; On the outer wall of described section of jurisdiction with holes 11, be welded with orthogonal hoop gusset 12 and longitudinal gusset 13, in order to strengthen the intensity of section of jurisdiction with holes; In the seal groove of described connecting bottom board 14, be provided with the sealing strip sealing between connecting bottom board and reinforced concrete bed; The percentage of open area of described section of jurisdiction with holes 11 is 16.7%.
As shown in Fig. 3 a, 3b, described wave absorption orifice plate is made up of wave absorption orifice plate panel 21 and wave absorption orifice plate arc plate 22 and wave absorption orifice plate fixed block 24; Described wave absorption orifice plate panel 21 is for having the semicircle doughnut-shaped steel plate of several through holes; Described wave absorption orifice plate arc plate 22 is welded on the exterior arc surface of wave absorption orifice plate panel 21; Between described wave absorption orifice plate panel 21 and wave absorption orifice plate arc plate 22, be provided with to strengthen the wave absorption orifice plate back up pad 23 of wave absorption orifice plate 2 rigidity; Described wave absorption orifice plate back up pad 23 is triangle gusset, is welded on wave absorption orifice plate arc plate 22 on one side, and another side is welded on wave absorption orifice plate panel 21, for increasing the rigidity of wave absorption orifice plate 2; On described wave absorption orifice plate arc plate 22, be fixed with to install the wave absorption orifice plate fixed block 24 of locking device 5; Described wave absorption orifice plate fixed block 24 has 8, is arranged on wave absorption orifice plate arc plate 22; Described wave absorption orifice plate panel 21 has circular hole, and percentage of open area is 16.7%.
As shown in Figure 4, described slide assemblies 3 includes guide wheel bracket 41, angle sheave 42, spindle nose catch 45 and the axis of guide 46; Described angle sheave 42 is connected to one end of the axis of guide 46 by bearing 43; One side of described guide wheel bracket 41 is fixedly connected on wave absorption orifice plate panel 21, and the other end is locked on the axis of guide 46 by hexagonal nut II 48; Described spindle nose catch 45 is fixed on the axis of guide 46, and described spindle nose catch 45 is spacing for angle sheave and bearing by sunk screw 47, and between spindle nose catch 45 and the axis of guide 46, circlip 44 is set.
As shown in Figure 5, described sliding rail 4 is made up of slip rail fixed block 31 and slip rail 32, and described slip rail fixed block 31 is welded on the inwall of wave absorption body 1, slip rail 32 by bolted on slip rail fixed block 31; Described slip rail fixed block 31 is T steel structure, has 30, on the inwall that is welded on wave absorption body 1 facing each other; Described slip rail 32 is joist steel, has 2.
As shown in Figure 6, described locking device 5 includes wave absorption orifice plate latch segment 35 and wave absorption orifice plate lock pad 36; Described wave absorption orifice plate lock pad 36 is positioned at the inner side of wave absorption orifice plate fixed block 24; Described wave absorption orifice plate latch segment 35 is a larger through hole outside that is stuck in section of jurisdiction 11 with holes, locks by hexagonal nut I 37 through through hole and described wave absorption orifice plate lock pad 36 for less one.
As shown in Figure 7, described oral area end face built-in fitting 6 is between the wave absorption structure and outlet section of large-scale blast wave analogue means; Described oral area end face built-in fitting 6 is domes, and described oral area end face built-in fitting 6 is connected with connector 7 by screw 51, hexagon head bolt 52, is connected with the reinforced concrete agent structure of outlet section by screw mandrel 53.
As shown in Figure 8, the entrance point of described wave absorption body 1 is provided with the connector 7 in order to be connected with outlet section; Described connector 7 is bolted on the inwall of wave absorption body 1; Described connector 7 is domes; On described connector 7, be provided with the connector back up pad 54 for increasing connector 7 rigidity; Between connector 7 and corresponding oral area end face built-in fitting 6, accompany for sealing and aluminium matter packing ring 55 II of compatibility of deformation.
As shown in Figure 9, described foot bolt 8 has 48, on every connecting bottom board 14, installs 6; Described foot bolt 8 is made up of hex-head nut 61, plain washer 62, lower margin screw 63 and lower margin screw mandrel 64, and a side of foot bolt 8 is embedded with channel-section steel 65, for location and the connecting bottom board 14 and ground sealing of foot bolt 8.
Claims (7)
1. a wave absorption structure for large-scale blast wave analogue means, is characterized in that: described wave absorption structure is positioned at the end of large-scale blast wave analogue means, is fixed in the reinforced concrete agent structure of large-scale blast wave analogue means endpiece; The wave absorption body (1) that described wave absorption structure has is for having the domes of several through holes; On the internal face of described wave absorption body (1), be fixed with in order to wave absorption orifice plate (2) along the axially movable sliding rail of wave absorption body (1) (4); Described wave absorption orifice plate (2) is arranged in wave absorption body (1), and described wave absorption orifice plate (2) is the polylith of front and back setting; Described wave absorption orifice plate (2) is for having the semicircle doughnut-shaped steel plate of several through holes; Described wave absorption orifice plate (2) coordinates with described sliding rail (4) by slide assemblies (3), in order to adjust the position of wave absorption orifice plate (2) in wave absorption body (1); Between described wave absorption orifice plate (2) and wave absorption body (1), be provided with locking device (5), in order to wave absorption orifice plate (2) and wave absorption body (1) are connected as one; Described wave absorption body (1) is fixed on reinforced concrete bed by the foot bolt (8) being arranged on wave absorption body (1) both sides connecting bottom boards (14).
2. the wave absorption structure of large-scale blast wave analogue means according to claim 1, it is characterized in that: the domes of described wave absorption body (1) for being connected and composed by the identical section of jurisdiction with holes (11) of four segment length, the two ends of every section of section of jurisdiction with holes (11) are all fixed with joint flange (15); Adjacent two sections of sections of jurisdiction with holes (11) connect by joint flange (15), and between joint flange (15), have the aluminium matter packing ring I (17) in order to wave absorption body (1) sealing and compatibility of deformation; The endpiece of wave absorption body (1) is provided with the rarefaction wave canceller locating piece (18) for rarefaction wave canceller is installed; On the outer wall of described section of jurisdiction with holes (11), be welded with orthogonal hoop gusset (12) and longitudinal gusset (13), in order to strengthen the intensity of section of jurisdiction with holes (11); In the seal groove of described connecting bottom board (14), be provided with the sealing strip sealing between connecting bottom board and reinforced concrete bed; The percentage of open area of described section of jurisdiction with holes (11) is 16.7%.
3. the wave absorption structure of large-scale blast wave analogue means according to claim 1, is characterized in that: described wave absorption orifice plate is made up of wave absorption orifice plate panel (21) and wave absorption orifice plate arc plate (22) and wave absorption orifice plate fixed block (24); Described wave absorption orifice plate panel (21) is for having the semicircle doughnut-shaped steel plate of several through holes; Described wave absorption orifice plate arc plate (22) is welded on the exterior arc surface of wave absorption orifice plate panel (21); Between described wave absorption orifice plate panel (21) and wave absorption orifice plate arc plate (22), be provided with to strengthen the wave absorption orifice plate back up pad (23) of wave absorption orifice plate rigidity; On described wave absorption orifice plate arc plate (22), be fixed with to install the wave absorption orifice plate fixed block (24) of locking device (5); Described wave absorption orifice plate panel (21) has circular hole, and percentage of open area is 16.7%.
4. the wave absorption structure of large-scale blast wave analogue means according to claim 1, is characterized in that: described slide assemblies includes guide wheel bracket (41), angle sheave (42), spindle nose catch (45) and the axis of guide (46); Described angle sheave (42) is connected to one end of the axis of guide (46) by bearing (43); Described guide wheel bracket (41) is fixed on the axis of guide (46); It is upper that described spindle nose catch (45) is fixed on the axis of guide (46), spacing for angle sheave (46) and bearing (43).
5. the wave absorption structure of large-scale blast wave analogue means according to claim 1, it is characterized in that: described sliding rail (4) is made up of slip rail fixed block (31) and slip rail (32), described slip rail fixed block (31) is welded on the inwall of wave absorption body (1), slip rail (32) by bolted on slip rail fixed block (31).
6. the wave absorption structure of large-scale blast wave analogue means according to claim 1, is characterized in that: described locking device (5) includes wave absorption orifice plate latch segment (35) and wave absorption orifice plate lock pad (36); Described wave absorption orifice plate lock pad (36) is positioned at the inner side of wave absorption orifice plate fixed block (24); Described wave absorption orifice plate latch segment (35) is a larger through hole outside that is stuck in section of jurisdiction with holes (11), less one is threaded with described wave absorption orifice plate lock pad (36) through through hole.
7. the wave absorption structure of large-scale blast wave analogue means according to claim 1, is characterized in that: the entrance point of described wave absorption body (1) is provided with the connector (7) in order to be connected with outlet section; Described connector (7) is connected with outlet section by oral area end face built-in fitting (6); Described connector (7) is domes; On described connector (7), be provided with the connector back up pad (54) for increasing connector (7) rigidity; Between connector (7) and corresponding oral area end face built-in fitting (6), accompany for sealing and the aluminium matter packing ring II (55) of compatibility of deformation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410101012.3A CN103852372B (en) | 2014-03-19 | 2014-03-19 | The wave absorption structure of large-scale blast wave analogue means |
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| CN201410101012.3A CN103852372B (en) | 2014-03-19 | 2014-03-19 | The wave absorption structure of large-scale blast wave analogue means |
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| CN103852372B CN103852372B (en) | 2015-12-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107061124A (en) * | 2017-06-27 | 2017-08-18 | 哈尔滨工程大学 | A kind of floatation type carries the piezoelectricity Wave energy converting device of swash plate |
| CN108868813A (en) * | 2018-06-27 | 2018-11-23 | 西南交通大学 | A kind of railway tunnel buffer structure |
| CN109342655A (en) * | 2018-10-12 | 2019-02-15 | 清华大学合肥公共安全研究院 | A kind of hot malicious disaster environment experimental system for simulating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107061124A (en) * | 2017-06-27 | 2017-08-18 | 哈尔滨工程大学 | A kind of floatation type carries the piezoelectricity Wave energy converting device of swash plate |
| CN108868813A (en) * | 2018-06-27 | 2018-11-23 | 西南交通大学 | A kind of railway tunnel buffer structure |
| CN109342655A (en) * | 2018-10-12 | 2019-02-15 | 清华大学合肥公共安全研究院 | A kind of hot malicious disaster environment experimental system for simulating |
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