CN109058262B - Explosion venting bolt system - Google Patents
Explosion venting bolt system Download PDFInfo
- Publication number
- CN109058262B CN109058262B CN201811162258.6A CN201811162258A CN109058262B CN 109058262 B CN109058262 B CN 109058262B CN 201811162258 A CN201811162258 A CN 201811162258A CN 109058262 B CN109058262 B CN 109058262B
- Authority
- CN
- China
- Prior art keywords
- screw
- screw rod
- explosion venting
- lead nut
- traction hole
- 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.)
- Active
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 55
- 238000013022 venting Methods 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000009545 invasion Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 230000001066 destructive effect Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/005—Breakbolts loosening due to the action of an explosive charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The explosion venting bolt system comprises a screw, wherein a nut is fixedly arranged above the screw, a waterproof gasket is arranged below the nut, and the waterproof gasket is sleeved on the screw; a lead nut is arranged below the waterproof gasket and is arranged on the screw in a matched manner; the lower end of the screw is provided with a traction hole, the traction hole is a through hole, and the axis of the traction hole is intersected with the axis of the screw and forms an included angle; the lead nut is sleeved with a protective cap, the interior of the protective cap is arranged to be hexagonal nut-shaped and matched with the lead nut, a high-strength steel wire is fixedly connected to the inner bottom of the protective cap, and the other end of the high-strength steel wire is connected with the traction hole. In a word, the invention reduces the secondary damage caused by the splashes generated by explosion of the explosion venting wall, provides better explosion venting safety performance, is convenient to process and install, avoids the invasion of dust, and ensures better explosion venting effect.
Description
Technical Field
The invention relates to the field of explosion venting fasteners, in particular to an explosion venting bolt system.
Background
The explosion venting wall is a light pressure venting wall body applied to industrial and civil plants, boiler rooms, dangerous goods warehouses and the like, the explosion venting bolt is an explosion venting accessory for connecting the explosion venting wall body with a beam body, and when explosion occurs, the explosion venting wall body is easy to open at the explosion venting bolt, so that explosion energy is released, and the explosion destructive power is reduced. The existing pressure relief bolt connecting device mainly reduces the absorption of plate energy through the metal sleeve with the anti-bursting function or the gasket arranged at the screw nut part arranged on the surface of the bolt, so that the explosion energy is released, the explosion destructive power is reduced, however, the pressure relief bolt connecting device is required to be structurally provided with a large hole, the size of the hole influences the explosion venting effect, the processing is difficult, the situation of eccentric installation and the like, and on the other hand, when the pressure relief bolt connecting device is used for explosion, the plate is easy to burst under the action of huge shock waves, the generated splashes tend to bring secondary damage, and the inside of the nut and the gasket can enter dust for a long time, so that the explosion venting effect is influenced.
Disclosure of Invention
The invention provides an explosion venting bolt system, which aims to solve the technical problems that: the secondary damage caused by splashes generated by explosion of the explosion venting wall is reduced, better explosion venting safety performance is provided, meanwhile, the whole device is more convenient to process and install, invasion of dust can be effectively avoided, and better explosion venting effect is ensured.
In order to solve the technical problems, the invention adopts the following technical scheme:
the explosion venting bolt system comprises a screw, wherein a nut is fixedly arranged above the screw, a waterproof gasket is arranged below the nut, and the waterproof gasket is sleeved on the screw; a lead nut is arranged below the waterproof gasket and is matched with the screw rod, and when the waterproof gasket is used, the lower end of the screw rod is at least exposed out of 3 wires in a screwed state; the lower end of the screw is provided with a traction hole, the traction hole is a through hole, the diameter of the traction hole is not more than 1/6 of the diameter of the screw and not less than 3mm, the axis of the traction hole is intersected with the axis of the screw and is arranged at an included angle, and the distance between the outer edge of the traction hole and the end part of the lower end of the screw is not less than the diameter of the screw; the lower end of the screw is provided with two limiting grooves parallel to the axis of the screw, and the two limiting grooves extend from two ends of the traction hole to the end part of the lower end of the screw respectively; the screw nut is characterized in that a protective cap is sleeved on the screw nut, the inner part of the protective cap is in a hexagonal nut shape and matched with the screw nut, a high-strength steel wire is fixedly connected to the inner bottom of the protective cap, the other end of the high-strength steel wire is connected with a traction hole, and when the screw nut is in use, the bottom of the protective cap and the end part of the lower end of the screw are provided with a distance, and redundant elongation of the high-strength steel wire still exists.
Preferably, the lead nut is provided with at least 3 specifications of different thicknesses, and as an alternative, the thickness of the lead nut is determined according to the magnitude of the explosion venting pressure.
Preferably, the axis of the pulling hole intersects and is perpendicular to the axis of the screw.
Preferably, the groove width and the groove depth of the limiting groove are both twice the diameter of the high-strength steel wire.
Compared with the prior art, the invention has the beneficial effects that: the nuts are made of lead nuts with different thicknesses, the lead nuts with different thicknesses are adopted according to different explosion venting force pressure values, and the lead nuts are damaged when explosion venting occurs, so that the structure is simple, and the processing and the installation are convenient; the protective cap not only protects the end part of the screw rod and the lead nut from being corroded by external environment, but also can be used for environments with higher requirements on cleaning, so as to avoid dust fall, and more importantly, when explosion venting occurs, the wallboard is limited and restrained on the main structure to be incompletely dropped by the traction of the internal high-strength steel wire, so that secondary damage caused by the fact that the wallboard or explosive flies out is avoided; the limiting groove enables the high-strength steel wire to be included in the groove, so that the high-strength steel wire is prevented from preventing the lead nut from falling off; the waterproof gasket enhances the waterproof effect and the dustproof effect. In a word, the invention reduces the secondary damage caused by the splashes generated by explosion of the explosion venting wall, provides better explosion venting safety performance, is convenient to process and install, avoids the invasion of dust, and ensures better explosion venting effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a protective cap according to the present invention;
FIG. 3 is a schematic view of the installation of the present invention
FIG. 4 is a schematic view of the invention when the wall is subjected to shock waves generated by an explosion;
fig. 5 is a schematic view of a limiting groove according to the present invention.
In the figure: 1. screw rod 2, waterproof washer 3, lead nut 4, protection cap 5, high strength steel wire 6, wall 7, wallboard 11, draw hole 12, nut 13, spacing groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention provides an explosion venting bolt system, which is shown in fig. 1, and comprises a screw 1, wherein a nut 12 is fixedly arranged above the screw 1, a waterproof gasket 2 is arranged below the nut 12, the waterproof gasket 2 is made of an EPDM material, and the waterproof gasket 2 is sleeved on the screw 1 and is used for preventing surrounding moisture from entering the bolt; the waterproof gasket 2 is characterized in that a lead nut 3 is arranged below the waterproof gasket 2, the lead nut 3 can be provided with at least 3 different thickness specifications, as an alternative piece, the thickness of the lead nut 3 is determined according to the explosion venting pressure, the lead nut 3 is matched and installed on the screw 1, when in use, the lower end of the screw 1 is at least exposed by 3 wires in a screwing state of the lead nut 3, when in installation, the lead nut 3 with different thicknesses is adopted according to different explosion venting preset pressure values, and when in explosion venting, the lead nut 3 is damaged, the structure is simple, and the processing and the installation are convenient; the lower end of the screw 1 is provided with a traction hole 11, the traction hole 11 is a through hole, the diameter of the traction hole 11 is not larger than 1/6 of the diameter of the screw 1 and not smaller than 3mm for ensuring strength, the distance between the outer edge of the traction hole 11 and the end part of the lower end of the screw 1 is not smaller than the diameter of the screw 1, and the axis of the traction hole 11 is intersected with the axis of the screw 1 and is vertically arranged; the protection cap 4 is sleeved on the lead nut 3, as shown in fig. 2, the inside of the protection cap 4 is provided with a hexagonal nut shape and is matched with the lead nut 3, the bottom of the protection cap 4 is fixedly connected with the high-strength steel wire 5, the other end of the high-strength steel wire 5 is connected with the traction hole 11, when the lead nut 3 is in use, in the screwing state, the bottom of the protection cap 4 is spaced from the lower end of the screw 1, and the high-strength steel wire 5 still has redundant elongation, as shown in fig. 5, the lower end of the screw 1 is provided with two limiting grooves 13 parallel to the axis of the screw 1, and the two limiting grooves 13 respectively extend from the two ends of the traction hole 11 to the lower end of the screw 1, the groove width and the groove depth of the limiting grooves 13 are twice the diameter of the high-strength steel wire 5, the limiting grooves 13 enable the high-strength steel wire 5 to be included in the grooves, so that the lead nut 3 is prevented from being blocked from falling off, by arranging the protection cap 4, not only the end of the screw 1 and the lead nut 3 are prevented from being corroded by external environment, but also can be used for higher environment, dust fall is prevented, more importantly, when the inner part is prevented from being broken, the inner part is prevented from falling down, and the steel wire is prevented from being completely from being damaged by the main explosion, and the main wall panel from being caused by the explosion.
In the implementation process of the invention, as shown in fig. 3, corresponding holes are punched on a wall body 6 and a wall plate 7, a screw 1 is penetrated through the waterproof gasket 2 and then penetrates through the holes on the wall body 6 and the wall plate 7, a lead nut 3 with proper thickness is adopted for locking according to different explosion venting preset pressure values, then a high-strength steel wire 5 at the inner bottom of a protective cap 4 is connected to a traction hole 11, and then the protective cap 4 is sleeved on the lead nut 3; when the wall 6 is impacted, as shown in fig. 4, the indoor pressure reaches a preset value, and the internal thread of the lead nut 3 is broken away from the screw 1 under the action of shock waves because the strength of the lead nut is lower, so that the pressure is released to play a role in explosion venting, the wall plate 7 flies out under the action of the shock waves, the high-strength steel wire 5 plays a traction role, the wall plate 7 is limited and restrained on the wall 6 to fall incompletely, and secondary damage caused by the flying out of the wall plate 7 is avoided. In a word, the invention reduces the secondary damage caused by the splashes generated by the explosion venting wall when the explosion occurs, provides better explosion venting safety performance, is convenient to process and install, avoids the invasion of dust, and ensures better explosion venting effect.
Claims (4)
1. An explosion venting bolt system, characterized in that: the novel waterproof screw comprises a screw rod (1), wherein a screw cap (12) is fixedly arranged above the screw rod (1), a waterproof gasket (2) is arranged below the screw cap (12), and the waterproof gasket (2) is sleeved on the screw rod (1); a lead nut (3) is arranged below the waterproof gasket (2), the lead nut (3) is arranged on the screw (1) in a matching way, and at least 3 wires are exposed at the lower end of the screw (1) in a screwing state of the lead nut (3) when the waterproof gasket is used; the lower end of the screw rod (1) is provided with a traction hole (11), the traction hole (11) is a through hole, the diameter of the traction hole (11) is not more than 1/6 of the diameter of the screw rod (1) and is not less than 3mm, the axis of the traction hole (11) is intersected with the axis of the screw rod (1) and is arranged at an included angle, and the distance between the outer edge of the traction hole (11) and the end part of the lower end of the screw rod (1) is not less than the diameter of the screw rod (1); two limiting grooves (13) parallel to the axis of the screw (1) are formed in the lower end of the screw, and the two limiting grooves (13) extend from two ends of the traction hole (11) to the end part of the lower end of the screw (1) respectively; the utility model discloses a screw rod, including screw rod (1) and screw rod, lead nut (3) are gone up the cover and are equipped with protection cap (4), the inside hexagonal nut form that sets up of protection cap (4) cooperates with lead nut (3), the interior fixedly connected with steel wire (5) that excels in protection cap (4), the steel wire (5) other end that excels in is connected with traction hole (11), and under lead nut (3) screwing the state during the use, protection cap (4) bottom is provided with interval and the steel wire (5) that excels in still has unnecessary extension with screw rod (1) lower extreme tip.
2. A explosion venting bolt system according to claim 1, wherein: the lead nut (3) is provided with at least 3 specifications with different thicknesses as candidate pieces, and the thickness of the lead nut (3) is determined according to the explosion venting pressure.
3. A explosion venting bolt system according to claim 1, wherein: the axis of the traction hole (11) is intersected with and perpendicular to the axis of the screw (1).
4. A explosion venting bolt system according to claim 1, wherein: the groove width and the groove depth of the limiting groove (13) are two times of the diameter of the high-strength steel wire (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162258.6A CN109058262B (en) | 2018-09-30 | 2018-09-30 | Explosion venting bolt system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162258.6A CN109058262B (en) | 2018-09-30 | 2018-09-30 | Explosion venting bolt system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109058262A CN109058262A (en) | 2018-12-21 |
| CN109058262B true CN109058262B (en) | 2024-01-19 |
Family
ID=64767514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811162258.6A Active CN109058262B (en) | 2018-09-30 | 2018-09-30 | Explosion venting bolt system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058262B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503110B (en) * | 2020-04-23 | 2022-05-10 | 河北远东特种门窗集团有限公司 | Explosion venting bolt and mounting method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010060244A1 (en) * | 2008-11-28 | 2010-06-03 | Li Paolin | Explosion relief screw fastener for a pressure relief establishment |
| CN106194945A (en) * | 2016-08-30 | 2016-12-07 | 徐燕 | A kind of venting of dust explosion bolt and there is the explosion release window of this venting of dust explosion bolt |
| CN206529926U (en) * | 2017-03-08 | 2017-09-29 | 郑州安筑实业有限公司 | A kind of venting of dust explosion draws strand cable system |
| CN207314676U (en) * | 2017-08-16 | 2018-05-04 | 李宝龄 | Explosion-proof venting of dust explosion system for explosive gas |
| CN207863220U (en) * | 2018-02-09 | 2018-09-14 | 衡水金盾门业有限公司 | A kind of novel embedded venting of dust explosion wall |
| CN208793417U (en) * | 2018-09-30 | 2019-04-26 | 郑州大学 | A kind of venting of dust explosion bolt system |
-
2018
- 2018-09-30 CN CN201811162258.6A patent/CN109058262B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010060244A1 (en) * | 2008-11-28 | 2010-06-03 | Li Paolin | Explosion relief screw fastener for a pressure relief establishment |
| CN106194945A (en) * | 2016-08-30 | 2016-12-07 | 徐燕 | A kind of venting of dust explosion bolt and there is the explosion release window of this venting of dust explosion bolt |
| CN206529926U (en) * | 2017-03-08 | 2017-09-29 | 郑州安筑实业有限公司 | A kind of venting of dust explosion draws strand cable system |
| CN207314676U (en) * | 2017-08-16 | 2018-05-04 | 李宝龄 | Explosion-proof venting of dust explosion system for explosive gas |
| CN207863220U (en) * | 2018-02-09 | 2018-09-14 | 衡水金盾门业有限公司 | A kind of novel embedded venting of dust explosion wall |
| CN208793417U (en) * | 2018-09-30 | 2019-04-26 | 郑州大学 | A kind of venting of dust explosion bolt system |
Non-Patent Citations (1)
| Title |
|---|
| 泄爆导管对球形容器内气体爆炸泄放过程影响的试验;张庆武;蒋军成;喻源;杨进军;柯宇;;安全与环境学报(第02期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109058262A (en) | 2018-12-21 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Junfeng Inventor after: Wang Huan Inventor after: Wang Shen Inventor after: Tian Guangfeng Inventor before: Wang Huan Inventor before: Wang Shen Inventor before: Zhang Junfeng Inventor before: Tian Guangfeng |
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| CB03 | Change of inventor or designer information | ||
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| GR01 | Patent grant |