CN110260744B - Karst geological blasting buffering vibration reduction system - Google Patents
Karst geological blasting buffering vibration reduction system Download PDFInfo
- Publication number
- CN110260744B CN110260744B CN201910516815.8A CN201910516815A CN110260744B CN 110260744 B CN110260744 B CN 110260744B CN 201910516815 A CN201910516815 A CN 201910516815A CN 110260744 B CN110260744 B CN 110260744B
- Authority
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- China
- Prior art keywords
- top frame
- bottom beam
- buffer
- shock attenuation
- damping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005422 blasting Methods 0.000 title claims abstract description 25
- 230000003139 buffering effect Effects 0.000 title claims abstract description 15
- 230000009467 reduction Effects 0.000 title claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 45
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 230000035939 shock Effects 0.000 claims description 55
- 238000003466 welding Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 abstract description 14
- 239000004575 stone Substances 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 241000269908 Platichthys flesus Species 0.000 description 11
- 125000003003 spiro group Chemical group 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
- F42D5/045—Detonation-wave absorbing or damping means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Dampers (AREA)
Abstract
The invention relates to the technical field of blasting engineering, in particular to a karst geological blasting buffering vibration reduction system, which comprises a bottom beam, a support column, a top frame and a protection net, wherein two ends of the bottom beam are connected with the lower ends of the support column through bolts, the upper ends of two clamping blocks are connected with two ends of the top frame through bolts, one side surfaces of the bottom beam, the support column and the top frame are connected with a vibration reduction plate through a vibration reduction sleeve rod group, and the other side surfaces of the bottom beam, the support column and the top frame are connected with the protection net through the vibration reduction sleeve rod group, so that the karst geological blasting buffering vibration reduction system has the beneficial effects that: according to the invention, the bottom ends of the two struts are connected with the two ends of the bottom beam through bolts, the two ends of the top frame are connected with the upper ends of the two struts through bolts, and the splicing mode is simple; when the damping plate receives transverse vibration, the damping plate compresses the compression springs sleeved outside the damping sleeve rod group, and the compression springs effectively absorb the transverse vibration force received by the damping plate; the buffer sleeve rod group is used for buffering impact force of flying stones to the protective net and preventing the protective net from being damaged by the too strong impact force.
Description
Technical Field
The invention relates to the technical field of blasting engineering, in particular to a karst geological blasting buffering vibration reduction system.
Background
When the karst landform is used for constructing the tunnel, in order to accelerate the construction process, the rock stratum section inevitably needs to be subjected to blasting construction, but blasting usually has a certain influence on the existing building, and reasonable and effective vibration reduction measures are needed to be adopted so as to smoothly finish the construction. The principle of controlling blasting in tunnel blasting is that vibration absorbing isolation belt is formed by arranging damping holes around arch part and buffer cushion is set, and the principle is that the vibration absorbing isolation belt and the buffer cushion absorb and consume great amount of the blasting shoe capacity during blasting to greatly reduce the vibration suffered by the area behind the isolation belt.
In order to ensure the safety of a tunnel structure in tunnel blasting, a tunnel supporting frame needs to be installed, the supporting frame is inconvenient to install in the tunnel, and the supporting frame bears the impact resistance bottom of blasting and is easy to be influenced by blasting vibration; as a plurality of broken stone blocks are in karst geology, when tunnel blasting is carried out, a plurality of splashed broken stone blocks are easy to cause damage to buildings and influence the safety of blasting personnel.
Disclosure of Invention
The invention aims to provide a karst geological explosion buffer vibration reduction system so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a karst geological explosion buffering vibration damping system, includes flounder, pillar, roof-rack and protection network, the lower extreme of bolted connection pillar is passed through at the both ends of flounder, two the upper end of fixture block passes through bolted connection roof-rack, follows the inboard spiro union of pillar has many evenly arranged's side fixing screw, and side fixing screw runs through out along the direction of the perpendicular inside wall of pillar, and the outer end welding of side fixing screw has the side fixed plate, the inner welding of side fixing screw has the hexagonal post head end, the inside wall spiro union along the roof-rack has many evenly arranged's last fixing screw, go up the fixing screw and run through to the lateral wall along the inside wall of roof-rack, and go up the outer end welding of fixing screw has the last fixed plate of cambered surface form, go up the inner welding of fixing screw has the hexagonal post head end, one side of flounder, pillar and roof-rack all is connected with the shock attenuation board through shock attenuation loop bar group, the other side of flounder, pillar and roof-rack is equipped with multiunit buffer loop bar group, all be connected with the edge of protection network on flounder, pillar and the roof-rack.
Preferably, the upper surfaces of the two ends of the bottom beam are provided with bottom beam clamping grooves, the upper ends and the lower ends of the struts are uniformly formed with clamping blocks, the clamping blocks arranged at the lower ends of the two struts are matched and clamped into the bottom beam clamping grooves formed in the upper surfaces of the two ends of the bottom beam, and the clamping blocks are fixedly connected with the bottom beam through bolts.
Preferably, the lower surfaces of the two ends of the top frame are provided with top frame clamping grooves, the clamping blocks arranged at the upper ends of the two support posts are matched and clamped into the top frame clamping grooves formed in the lower surfaces of the two ends of the top frame, and the clamping blocks are fixedly connected with the top frame through bolts.
Preferably, the shock attenuation board includes shock attenuation board, side shock attenuation board and last shock attenuation board down, and the roof beam is connected with down the shock attenuation board through multiunit shock attenuation loop bar group, and the length direction of shock attenuation board is unanimous with the length direction of roof beam down, and the pillar is connected with side shock attenuation board through multiunit shock attenuation loop bar group, and the length direction of side shock attenuation board is unanimous with the length direction of pillar, and the roof-rack is connected with the shock attenuation board through multiunit shock attenuation loop bar group, goes up the shock attenuation board and is the plate body the same with roof-rack arc limit shape.
Preferably, the damping sleeve rod group comprises a damping cylinder and a damping inner rod, the damping cylinder is perpendicularly welded on the side walls of the bottom beam, the support column and the top frame, the damping inner rod is matched and inserted in the damping cylinder, the outer end of the damping inner rod is fixedly welded on the side wall of the damping plate, and a compression spring is sleeved outside the damping cylinder.
Preferably, the buffer sleeve rod group comprises a buffer sleeve, a buffer pull rod and a piston, wherein the buffer sleeve is fixedly arranged on the side walls of the bottom beam, the support and the top frame through welding, the piston is connected with the buffer sleeve in a sliding manner, an extension spring is connected between one end of the piston and the inner end of the buffer sleeve, the buffer pull rod is welded at the other end of the piston, and the buffer pull rod penetrates out along one end of the buffer sleeve.
Preferably, the end parts of the buffer pull rods in the buffer pull rod groups arranged on the bottom beams are all directed upwards, the end parts of the buffer pull rods in the buffer pull rod groups arranged on the struts are all directed inwards, and the end parts of the buffer pull rods in the buffer pull rod groups arranged on the top frames are all directed inwards.
Compared with the prior art, the invention has reasonable structural arrangement and strong functionality, and has the following advantages:
1. According to the invention, the bottom ends of the two struts are connected with the two ends of the bottom beam through the bolts, the two ends of the top frame are connected with the upper ends of the two struts through the bolts, the splicing mode is simple, and the hexagonal column head ends of the side fixing screw and the upper fixing screw are wrenched and rotated through the spanner, so that the side fixing plate and the upper fixing plate are tightly pressed on the side wall and the top of the tunnel, and the fixation is convenient;
2. In the invention, when the damping plate is subjected to transverse vibration, the damping plate compresses the compression springs sleeved outside the damping sleeve rod group, and the compression springs effectively absorb the transverse vibration force of the damping plate;
3. According to the invention, the protective net is used for protecting the flying stone splashing position in blasting, when the middle part of the protective net is impacted by the flying stone, the edge of the protective net is pulled towards the middle part, the buffer pull rod is pulled out from the buffer sleeve, and the tension spring between the buffer sleeve and the piston is stressed and stretched, so that the impact force of the flying stone on the protective net is buffered, and the protective net is prevented from being damaged by the excessively strong impact force.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a schematic view of the structural installation of the present invention;
FIG. 3 is a side cross-sectional view of the structure of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 3;
Fig. 6 is an enlarged view at C in fig. 3.
In the figure: the bottom beam 1, the strut 2, the top frame 3, the protective net 4, the bottom beam clamping groove 5, the top frame clamping groove 51, the clamping block 6, the damping sleeve rod group 7, the damping plate 8, the lower damping plate 81, the side damping plate 82, the upper damping plate 83, the damping sleeve rod group 9, the side fixing plate 10, the side fixing screw 11, the upper fixing plate 12, the upper fixing screw 13, the damping cylinder 14, the damping inner rod 15, the damping sleeve 16, the damping pull rod 17 and the piston 18.
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 karst geological explosion buffering vibration damping system, including flounder 1, pillar 2, roof-rack 3 and protection network 4, combine the fig. 1 and the fig. 4 to show, flounder 1 is "concave" font support, flounder draw-in groove 5 has been seted up to the both ends upper surface of flounder 1, the both ends top of flounder 1 all is equipped with the pillar 2 that sets up perpendicularly, the upper and lower end homogeneous body shaping of pillar 2 has fixture block 6, the fixture block 6 that two pillar 2 lower extreme established cooperates in the roof-rack draw-in groove 5 of seting up of the roof-rack 1 both ends upper surface, the lateral wall spiro union along fixture block 6 has the bolt, and fixture block 6 passes through bolt and flounder 1 fixed connection, be connected with roof-rack 3 between the upper ends of two fixture blocks 6, roof-rack 3 is arch support form, roof-rack draw-in groove 51 has been seted up to the both ends lower surface of roof-rack 3, the fixture block 6 cooperation card that two pillar 2 upper ends set up has the bolt along the lateral wall spiro union of fixture block 6, and fixture block 6 is convenient for splice with roof-rack 3 through with roof-rack 3 fixed connection, the roof-rack 1, the roof-rack 2 and fast installation.
As shown in fig. 1 and 4, a plurality of uniformly arranged side fixing screws 11 are screwed along the inner side of the support column 2, the side fixing screws 11 penetrate along the direction of the vertical inner side wall of the support column 2, the outer ends of the side fixing screws 11 are welded with side fixing plates 10, the inner ends of the side fixing screws 11 are welded with hexagonal column heads, the hexagonal column heads of the side fixing screws 11 are wrenched and rotated by a wrench, the side fixing screws 11 on the two support columns 2 extend out to the two outer sides, the side fixing screws 11 push the side fixing plates 10 to press the side wall of a tunnel, the transverse offset is prevented, a plurality of uniformly arranged upper fixing screws 13 are screwed along the inner side wall of the top frame 3, the upper fixing screws 13 penetrate to the outer side wall along the inner side wall of the top frame 3, the outer ends of the upper fixing screws 13 are welded with cambered upper fixing plates 12, the inner ends of the upper fixing screws 13 are welded with hexagonal column heads, the upper fixing screws 13 extend out to the upper outer sides of the tunnel upwards by a wrench, and the upper fixing screws 13 push the top side wall of the upper fixing plates 12 to press the top wall of the tunnel.
As shown in fig. 1 and 2, a side of the bottom beam 1, the strut 2 and the top frame 3 is connected with a shock absorbing plate 8 through the shock absorbing sleeve rod group 7, the bottom beam 1 is connected with a lower shock absorbing plate 81 through the multi-group shock absorbing sleeve rod group 7, the length direction of the lower shock absorbing plate 81 is consistent with the length direction of the bottom beam 1, the strut 2 is connected with a side shock absorbing plate 82 through the multi-group shock absorbing sleeve rod group 7, the length direction of the side shock absorbing plate 82 is consistent with the length direction of the strut 2, the top frame 3 is connected with an upper shock absorbing plate 83 through the multi-group shock absorbing sleeve rod group 7, the upper shock absorbing plate 83 is a plate body with the same arc shape as the top frame 3, as shown in fig. 6, wherein the structure of the shock absorbing sleeve rod group 7 comprises a shock absorbing cylinder 14 and a shock absorbing inner rod 15, the shock absorbing cylinder 14 is vertically welded on the side walls of the bottom beam 1, the strut 2 and the top frame 3, the shock absorbing inner rod 15 is matched and inserted in the shock absorbing cylinder 14, the shock absorbing inner rod 15 can slide and stretch in the shock absorbing cylinder 14, the outer end of the shock absorbing inner rod 15 is welded and the side wall of the shock absorbing plate 8, the outer sleeve of the shock absorbing cylinder 14 is provided with a compression spring, the compression spring is arranged on the outer sleeve of the side wall of the shock absorbing cylinder 14, and the compression spring 8, and the compression spring 1 and the shock absorbing plate 8 when the compression spring and the compression spring 2 and the shock absorbing plate 8 are compressed by the shock absorbing and compressed by the shock.
The other side surfaces of the bottom beam 1, the support columns 2 and the top frame 3 are provided with a plurality of groups of buffer sleeve rod groups 9, as shown in fig. 6, wherein the buffer sleeve rod groups 9 are composed of buffer sleeves 16, buffer pull rods 17 and pistons 18, the buffer sleeves 16 are fixedly arranged on the side walls of the bottom beam 1, the support columns 2 and the top frame 3 through welding, pistons 18 are connected inside the buffer sleeves 16 in a sliding manner, extension springs are connected between one ends of the pistons 18 and the inner ends of the buffer sleeves 16, the buffer pull rods 17 are welded at the other ends of the pistons 18, the buffer pull rods 17 penetrate out along one ends of the buffer sleeve rods 16, as shown in fig. 5, the end parts of the buffer pull rods 17 in the buffer sleeve rod groups 9 arranged on the bottom beam 1 are all directed upwards, the end parts of the buffer pull rods 17 in the buffer sleeve rod groups 9 arranged on the two support columns 2 are all directed inwards, the end parts of the buffer pull rods 17 in the buffer sleeve rod groups 9 arranged on the top frame 3 are all directed inwards, the end parts of the buffer sleeve rods 17 in the buffer sleeve rod groups 1, the support columns 2 and the top frame 3 are connected with the edges of the protection network 4 in a sliding manner, the end parts of the buffer pull rods 17 in the buffer sleeve rods 18 are all fixed with the protection network 4, the other ends of the buffer sleeve rods 18 are welded with the protection network 4, the buffer network 4 are used for protecting the impact protection network 4, the impact protection network 4 is connected with the impact protection network 4 is broken by the impact protection network 4, and the impact protection network 4 is strongly stressed by the impact protection network 4 is connected with the protection network 4, and the impact protection network is prevented from the impact protection 4 is broken by the impact protection network 4.
Working principle: when the invention is installed, the buffer groove is dug at the bottom surface, the side wall and the top of the tunnel, the bottom beam 1 is installed in the buffer groove at the bottom surface, the support columns 2 are installed in the buffer groove at the side wall, the top frame 3 is installed in the buffer groove at the top, the bottom ends of the two support columns 2 are connected with the two ends of the bottom beam 1 through bolts, the two ends of the top frame 3 are connected with the upper ends of the two support columns 2 through bolts, the splicing mode is simple, the hexagonal column heads of the side fixing screws 11 are wrenched and rotated through the spanner, the side fixing screws 11 extend out to the two outer sides, the side fixing screws 11 push the side fixing plates 10 to tightly press the side wall of the tunnel, the transverse deviation is prevented, the hexagonal column heads of the upper fixing screws 13 are rotated through the spanner, the upper fixing screws 13 extend out to the upper outer sides of the top side of the tunnel, the upper fixing screws 13 push the top side wall of the tunnel, and the vertical direction fixing is convenient to fix the invention;
The damping plates 8 connected with one side of the bottom beam 1, the support column 2 and the top frame 3 are tightly attached to the side wall of the buffer groove, when the damping plates 8 are subjected to transverse vibration, the damping plates 8 compress the compression springs sleeved outside the damping sleeve rod group 7, and the compression springs effectively absorb the transverse vibration force of the damping plates 8;
The other side of the bottom beam 1, the support column 2 and the top frame 3 is connected with a protective net 4 through a buffer sleeve rod group 9, the protective net 4 is used for protecting the flying stones from splashing when blasting, when the middle part of the protective net 4 is impacted by the flying stones, the edge of the protective net 4 is pulled towards the middle part, then a buffer pull rod 17 is pulled out from the inside of a buffer sleeve 16, and the tension spring stress between the buffer sleeve 16 and a piston 18 is stretched for buffering the impact force of the flying stones to the protective net 4, so that the protective net 4 is prevented from being damaged by the too strong impact force.
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 karst geological blasting buffering vibration damping system, includes floorbar (1), pillar (2), roof-rack (3), fixture block (6) and protection network (4), its characterized in that: the two ends of the bottom beam (1) are connected with the lower ends of the supporting columns (2) through bolts, the upper ends of the two clamping blocks (6) are connected with the two ends of the top frame (3) through bolts, a plurality of uniformly arranged side fixing screws (11) are connected with the inner side of the supporting columns (2) in a threaded manner, the side fixing screws (11) penetrate out along the direction of the vertical inner side walls of the supporting columns (2), the outer ends of the side fixing screws (11) are welded with side fixing plates (10), the inner ends of the side fixing screws (11) are welded with hexagonal column heads, a plurality of uniformly arranged upper fixing screws (13) are connected with the inner side of the top frame (3) in a threaded manner, the inner side walls of the top frame (3) are connected with the outer side walls in a threaded manner, the outer ends of the upper fixing screws (13) are welded with cambered upper fixing plates (12), the inner ends of the upper fixing screws (13) are welded with hexagonal column heads, the bottom beam (1), the supporting columns (2) and one side face of the top frame (3) are connected with a shock-absorbing sleeve rod group (7), and the other side faces of the top frame (2) are connected with the shock-absorbing rods (9), and the side faces of the top frame (3) are connected with the shock-absorbing rods (9) in a buffering network (9);
The upper surfaces of the two ends of the bottom beam (1) are provided with bottom beam clamping grooves (5), clamping blocks (6) are uniformly and integrally formed at the upper end and the lower end of each strut (2), the clamping blocks (6) arranged at the lower ends of the two struts (2) are matched and clamped into the bottom beam clamping grooves (5) formed at the upper surfaces of the two ends of the bottom beam (1), and the clamping blocks (6) are fixedly connected with the bottom beam (1) through bolts; the two ends of the top frame (3) are provided with top frame clamping grooves (51), clamping blocks (6) arranged at the upper ends of the two support posts (2) are matched and clamped into the top frame clamping grooves (51) arranged at the lower surfaces of the two ends of the top frame (3), and the clamping blocks (6) are fixedly connected with the top frame (3) through bolts.
2. A karst geological blasting buffering vibration reduction system according to claim 1, wherein: the shock attenuation board (8) is including shock attenuation board (81) down, side shock attenuation board (82) and last shock attenuation board (83), roof beam (1) are connected with shock attenuation board (81) down through multiunit shock attenuation loop bar group (7), the length direction of shock attenuation board (81) is unanimous with the length direction of roof beam (1) down, pillar (2) are connected with side shock attenuation board (82) through multiunit shock attenuation loop bar group (7), the length direction of side shock attenuation board (82) is unanimous with the length direction of pillar (2), roof-rack (3) are connected with shock attenuation board (83) through multiunit shock attenuation loop bar group (7), go up shock attenuation board (83) for the same plate body with roof-rack (3) arc limit shape.
3. A karst geological blasting buffering vibration reduction system according to claim 1, wherein: the damping sleeve rod group (7) comprises a damping cylinder (14) and a damping inner rod (15), wherein the damping cylinder (14) is perpendicularly welded on the side walls of the bottom beam (1), the support (2) and the top frame (3), the damping inner rod (15) is matched and inserted into the damping cylinder (14), the outer end of the damping inner rod (15) is fixedly welded with the side wall of the damping plate (8), and a compression spring is sleeved outside the damping cylinder (14).
4. A karst geological blasting buffering vibration reduction system according to claim 1, wherein: the buffer sleeve rod group (9) comprises a buffer sleeve (16), a buffer pull rod (17) and a piston (18), wherein the buffer sleeve (16) is fixed on the side walls of the bottom beam (1), the support column (2) and the top frame (3) through welding, the piston (18) is connected inside the buffer sleeve (16) in a sliding manner, an extension spring is connected between one end of the piston (18) and the inner end of the buffer sleeve (16), the buffer pull rod (17) is welded at the other end of the piston (18), and the buffer pull rod (17) penetrates out along one end of the buffer sleeve (16).
5. A karst geological blasting buffering vibration reduction system according to claim 1, wherein: the end parts of the buffer pull rods (17) in the buffer sleeve rod groups (9) arranged on the bottom beams (1) are all directed upwards, the end parts of the buffer pull rods (17) in the buffer sleeve rod groups (9) arranged on the supporting columns (2) are all directed inwards, and the end parts of the buffer pull rods (17) in the buffer sleeve rod groups (9) arranged on the top frames (3) are all directed inwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910516815.8A CN110260744B (en) | 2019-06-14 | 2019-06-14 | Karst geological blasting buffering vibration reduction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910516815.8A CN110260744B (en) | 2019-06-14 | 2019-06-14 | Karst geological blasting buffering vibration reduction system |
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| CN110260744A CN110260744A (en) | 2019-09-20 |
| CN110260744B true CN110260744B (en) | 2024-06-21 |
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| CN201910516815.8A Active CN110260744B (en) | 2019-06-14 | 2019-06-14 | Karst geological blasting buffering vibration reduction system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210321466U (en) * | 2019-06-14 | 2020-04-14 | 保利新联爆破工程集团有限公司 | Karst geological blasting buffering and damping system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101028397B1 (en) * | 2011-01-14 | 2011-04-13 | (주)대우건설 | Protector having shock detection device for inducing drop zone of blasting debris, and running tunnel expanding method using thereof |
| CN106761772A (en) * | 2016-11-26 | 2017-05-31 | 高韶晗 | Shallow buried and underground excavated engineering project construction fixing device and its fixing means |
| KR101776091B1 (en) * | 2017-02-15 | 2017-09-07 | 주식회사 구림산업기계 | Lining foam for tunnel |
| CN108119149B (en) * | 2018-01-02 | 2019-04-09 | 兰州理工大学 | The tunnel support structure and construction method of existing building are worn under a kind of |
| CN208122858U (en) * | 2018-03-09 | 2018-11-20 | 天津安优捷盾构科技有限公司 | A kind of Tunnel Engineering fender bracket |
| CN208620917U (en) * | 2018-06-15 | 2019-03-19 | 武汉科技大学 | A kind of protective device of building column demolition blasting |
| CN109184759B (en) * | 2018-10-24 | 2020-04-07 | 黄双琼 | Mine tunnel supporting device |
| CN109629898A (en) * | 2019-01-29 | 2019-04-16 | 保利新联爆破工程集团有限公司 | A kind of surface blasting Spliced type steel mesh protecting wall |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210321466U (en) * | 2019-06-14 | 2020-04-14 | 保利新联爆破工程集团有限公司 | Karst geological blasting buffering and damping system |
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