CN210036473U - Blasting damping device that tunnel construction used - Google Patents
Blasting damping device that tunnel construction used Download PDFInfo
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- CN210036473U CN210036473U CN201920764026.1U CN201920764026U CN210036473U CN 210036473 U CN210036473 U CN 210036473U CN 201920764026 U CN201920764026 U CN 201920764026U CN 210036473 U CN210036473 U CN 210036473U
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Abstract
The utility model belongs to the technical field of tunnel blasting construction, in particular to a blasting damping device for tunnel construction, which comprises a tunnel wall body, wherein the front side surface of the tunnel wall body is provided with a blasting area, the outer side of the blasting area is provided with an arc tunnel area, the front side surface of the blasting area is provided with a blasting hole, the front side surface of the arc tunnel area is provided with a damping hole, the inner wall of the damping hole is provided with a first arc plate, and one side of the first arc plate is fixedly connected with a first spring seat; the elastic column is filled in the inner cavity, the elastic column is placed in a damping hole through the first elastic cushion pad and the second elastic cushion pad in an extrusion deformation mode, the elastic column is fixed and does not shake, impact force can pass through the first arc plate during blasting, the first spring seat and the second spring seat connected with the first arc plate are extruded, the elastic column filled in the inner cavity can also be extruded to generate deformation, corresponding offset is carried out on impact force, and damage of the impact force to a wall body is reduced.
Description
Technical Field
The utility model belongs to the technical field of the tunnel blasting construction, concretely relates to blasting damping device that tunnel construction used.
Background
The tunnel is the key and key engineering for highway, railway and other construction, the tunnel digging method has been developed rapidly with the development of railway construction and the progress of technology, the drilling and blasting method has strong adaptability to geological conditions and low digging cost, and is especially suitable for the construction of hard rock tunnel, broken rock tunnel and a large number of short tunnels, so the drilling and blasting method is still the current tunnel digging method commonly used at home and abroad, the blasting (blasting) is a technique for achieving the expected purpose by utilizing the compression, loosening, damage, throwing and killing action generated by the explosion of explosive in air, water, earth and stone media or objects, the phenomena of compression, deformation, damage, loosening and throwing are generated by explosive packages or explosive charges in the earth and stone media or structures, and the tunnel digging method is mainly used for earth and stone engineering, and the demolition of metal buildings and structures, etc.
The prior art has the following problems:
the blasting device that current tunnel construction used does not possess shock-absorbing function, because the impact force that the tunnel produced when blasting is too big, causes the damage to wall around the tunnel easily, and then influences the excavation and the construction in tunnel, brings inconvenience for mankind's use.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a blasting damping device that tunnel construction used has absorbing characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a blasting damping device that tunnel construction used, includes tunnel wall, tunnel wall front side surface is equipped with the blasting area, the blasting area outside is equipped with arc tunnel district, the blasting hole has been seted up to the side surface before the blasting area, the shock attenuation hole has been seted up to arc tunnel district front side surface, the shock attenuation downthehole wall is equipped with arc one, one side fixedly connected with spring holder one of arc, one opposite side fixedly connected with spring holder two, spring holder one and two top fixedly connected with arc two of spring holder, arc one is equipped with the elasticity post with two inner chambers of arc packing, spring fixing base one side is equipped with elasticity blotter one, two one sides of spring fixing base are equipped with elasticity blotter two.
Preferably, the damping holes are distributed on the inner side surface of the arc-shaped tunnel area in a semicircular array mode, and the damping holes are of a circular structure.
Preferably, the first arc-shaped plate and the second arc-shaped plate are symmetrically arranged on two sides of the first spring seat and the second spring seat, the first arc-shaped plate is matched with the shock absorption hole structure, and the second arc-shaped plate is matched with the shock absorption hole structure.
Preferably, the first elastic cushion pad and the second elastic cushion pad are semi-cylindrical structures, and the first elastic cushion pad and the second elastic cushion pad are arranged symmetrically on two sides of the first arc-shaped plate and the second arc-shaped plate.
Preferably, the diameter of the shock absorbing hole is 3/4 which is the sum of the length of the arc-shaped plate and the length of the elastic cushion pad 11, and the diameter of the shock absorbing hole is 3/4 which is the sum of the length of the arc-shaped plate and the length of the elastic cushion pad.
Preferably, the first spring seats are arranged between the first arc-shaped plate and the second arc-shaped plate in a linear array, and the second spring seats are arranged between the second arc-shaped plate and the first arc-shaped plate in a linear array.
Compared with the prior art, the beneficial effects of the utility model are that:
through being equipped with the shock attenuation hole, arc one, arc two, spring holder one, spring holder two, elastic cushion one, elastic cushion two and elastic column, the structure cooperation is used, constitute the cylinder shape through spring holder one and spring holder between arc one and the arc two, then the inner chamber packs elastic column, place in the shock attenuation hole through elastic cushion one and two extrusion deformation of elastic cushion, make its stable not produce and rock, impact force can make spring holder one and spring holder two of its connection produce the extrusion through arc one during the blasting, and then elastic column that the inner chamber was filled also can extrude and produce deformation, carry out corresponding offset to impact force, reduce the damage of impact force to the wall body, the utilization ratio and the safety in utilization of device have been improved, provide very big convenience for human use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a shock absorber according to the present invention;
FIG. 3 is a schematic perspective view of the inelastic buffer pad of the present invention;
fig. 4 is a schematic view of a three-dimensional structure of the damping device of the present invention.
In the figure: 1. a tunnel wall; 2. a blasting zone; 3. an arc-shaped tunnel region; 4. a blast hole; 5. a shock absorbing hole; 6. a first arc plate; 7. a first spring seat; 8. a second spring seat; 9. a second arc-shaped plate; 10. an elastic column; 11. a first elastic buffer cushion; 12. and a second elastic buffer cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a blasting damping device that tunnel construction used, including tunnel wall 1, tunnel wall 1 front side surface is equipped with blasting area 2, blasting area 2 outside is equipped with arc tunnel district 3, blasting hole 4 has been seted up to blasting area 2 front side surface, damping hole 5 has been seted up to arc tunnel district 3 front side surface, damping hole 5 inner wall is equipped with arc 6, 6 one side fixedly connected with spring holder 7 of arc, 6 opposite side fixedly connected with spring holder two 8 of arc, spring holder 7 and two 8 top fixedly connected with arc 9 of spring holder, 6 and two 9 inner chambers of arc packs and are equipped with elasticity post 10, 7 one side of spring holder is equipped with elasticity blotter 11, two 8 one sides of spring holder are equipped with elasticity blotter two 12.
In this embodiment: the inner wall of the damping hole 5 is provided with a first arc-shaped plate 6, a first 6 one side fixedly connected with spring seat 7 of the arc-shaped plate, a second 6 opposite side fixedly connected with spring seat 8 of the arc-shaped plate, a second 7 top fixedly connected with arc-shaped plate 9 of the spring seat, a first 6 and a second 9 inner cavity of the arc-shaped plate are filled with elastic columns 10, a first 7 one side of the spring seat is provided with an elastic cushion 11, one side of the spring seat is provided with an elastic cushion 12, a cylindrical shape is formed between the first 6 and the second 9 arc-shaped plate through a first 7 and a second 8 spring seat, then the elastic columns 10 are filled in the inner cavity, the elastic cushion 11 and the elastic cushion 12 are extruded and deformed to be placed in the damping hole.
Specifically, the damping holes 5 are distributed on the inner side surface of the arc-shaped tunnel region 3 in a semicircular array mode, and the damping holes 5 are of a circular structure; can make 3 damping surfaces in arc tunnel district more even, improve the shock attenuation security.
Specifically, the first arc-shaped plate 6 and the second arc-shaped plate 9 are symmetrically arranged on two sides of the first spring seat 7 and the second spring seat 8, the first arc-shaped plate 6 is structurally matched with the shock absorption hole 5, and the second arc-shaped plate 9 is structurally matched with the shock absorption hole 5; the tight connection between the structure can improve the stability of structural connection, and then improves the life of device.
Specifically, the first elastic cushion pad 11 and the second elastic cushion pad 12 are semi-cylindrical structures, and the first elastic cushion pad 11 and the second elastic cushion pad 12 are symmetrically arranged on two sides of the first arc-shaped plate 6 and the second arc-shaped plate 9; the use attractiveness and the practicability of the structure are improved.
Specifically, the diameter of the shock absorption hole 5 is 3/4 which is the sum of the length of the arc-shaped plate I6 and the length of the elastic cushion I11, and the diameter of the shock absorption hole 5 is 3/4 which is the sum of the length of the arc-shaped plate I6 and the length of the elastic cushion II 12; the first elastic cushion pad 11 and the second elastic cushion pad 12 can be extruded to generate deformation, so that the installation of the first elastic cushion pad and the second elastic cushion pad in the damping hole 5 is more stable.
Specifically, the first spring seats 7 are arranged between the first arc-shaped plate 6 and the second arc-shaped plate 9 in a linear array, and the second spring seats 8 are arranged between the second arc-shaped plate 9 and the first arc-shaped plate 6 in a linear array; the first arc-shaped plate 6 and the second arc-shaped plate 9 can be stressed uniformly, structural damage caused by local stress is reduced, and the service life of the device is prolonged.
The utility model discloses a theory of operation and use flow: the utility model provides a blasting damping device that tunnel construction used, when using, at first constitute cylindrical shape through spring holder 7 and spring holder two 8 between arc 6 and the arc two 9, then elastic column 10 is filled to the inner chamber, place in shock attenuation hole 5 through elastic cushion 11 and elastic cushion two 12 extrusion deformation, can produce the impact force to shock attenuation hole 5 when the tunnel begins to explode, arc 6 produces elastic potential energy through setting up of spring holder 7 and spring holder two 8 under the condition that receives the impact force, elastic column 10 also can receive the impact force to produce the extrusion simultaneously, carry out corresponding reduction and offset to the impact force through elastic potential energy's increase and reduction, the damage of impact force to the tunnel during the reduction blasting.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a blasting damping device that tunnel construction used, includes tunnel wall (1), tunnel wall (1) front side surface is equipped with blasting district (2), blasting district (2) outside is equipped with arc tunnel district (3), blasting hole (4) have been seted up to blasting district (2) front side surface, damping hole (5), its characterized in that have been seted up to arc tunnel district (3) front side surface: damping hole (5) inner wall is equipped with arc one (6), arc one (6) one side fixedly connected with spring holder (7), arc one (6) opposite side fixedly connected with spring holder two (8), spring holder one (7) and spring holder two (8) top fixedly connected with arc two (9), arc one (6) and arc two (9) inner chamber packing are equipped with elasticity post (10), spring holder one (7) one side is equipped with elastic cushion (11), spring holder two (8) one side is equipped with elastic cushion two (12).
2. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: the shock absorption holes (5) are arranged on the inner side surface of the arc-shaped tunnel region (3) in a semicircular array mode, and the shock absorption holes (5) are of a circular structure.
3. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: the damping device is characterized in that the first arc-shaped plate (6) and the second arc-shaped plate (9) are symmetrically arranged on two sides of the first spring seat (7) and the second spring seat (8), the first arc-shaped plate (6) is structurally matched with the damping hole (5), and the second arc-shaped plate (9) is structurally matched with the damping hole (5).
4. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: the first elastic cushion (11) and the second elastic cushion (12) are semi-cylindrical structures, and the first elastic cushion (11) and the second elastic cushion (12) are arranged symmetrically on two sides of a first arc-shaped plate (6) and a second arc-shaped plate (9).
5. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: the diameter of the shock absorption hole (5) is 3/4 of the sum of the length of the first arc-shaped plate (6) and the length of the first elastic cushion pad (11), and the diameter of the shock absorption hole (5) is 3/4 of the sum of the length of the first arc-shaped plate (6) and the length of the second elastic cushion pad (12).
6. The blasting shock-absorbing device for tunnel construction according to claim 1, wherein: the first spring seats (7) are arranged between the first arc-shaped plate (6) and the second arc-shaped plate (9) in a linear array manner, and the second spring seats (8) are arranged between the second arc-shaped plate (9) and the first arc-shaped plate (6) in a linear array manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764026.1U CN210036473U (en) | 2019-05-26 | 2019-05-26 | Blasting damping device that tunnel construction used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764026.1U CN210036473U (en) | 2019-05-26 | 2019-05-26 | Blasting damping device that tunnel construction used |
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| Publication Number | Publication Date |
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| CN210036473U true CN210036473U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920764026.1U Active CN210036473U (en) | 2019-05-26 | 2019-05-26 | Blasting damping device that tunnel construction used |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320309A (en) * | 2021-11-02 | 2022-04-12 | 台州市市政公用工程质量安全事务中心 | Protection mechanism for tunnel construction |
| CN117168257A (en) * | 2023-11-02 | 2023-12-05 | 华侨大学 | Blasting vibration reduction device for interchange tunnel and vibration reduction method thereof |
| CN118189766A (en) * | 2024-02-22 | 2024-06-14 | 湖南西部民爆工程有限公司 | Connecting and blocking structure for tunnel blasting operation |
-
2019
- 2019-05-26 CN CN201920764026.1U patent/CN210036473U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320309A (en) * | 2021-11-02 | 2022-04-12 | 台州市市政公用工程质量安全事务中心 | Protection mechanism for tunnel construction |
| CN114320309B (en) * | 2021-11-02 | 2024-04-02 | 台州市市政公用工程质量安全事务中心 | Protection mechanism for tunnel construction |
| CN117168257A (en) * | 2023-11-02 | 2023-12-05 | 华侨大学 | Blasting vibration reduction device for interchange tunnel and vibration reduction method thereof |
| CN117168257B (en) * | 2023-11-02 | 2024-02-13 | 华侨大学 | Blasting vibration reduction device for interchange tunnel and vibration reduction method thereof |
| CN118189766A (en) * | 2024-02-22 | 2024-06-14 | 湖南西部民爆工程有限公司 | Connecting and blocking structure for tunnel blasting operation |
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