CN112370672A - Expanding rod type pry for rescuing ruin life after earthquake - Google Patents
Expanding rod type pry for rescuing ruin life after earthquake Download PDFInfo
- Publication number
- CN112370672A CN112370672A CN202011297765.8A CN202011297765A CN112370672A CN 112370672 A CN112370672 A CN 112370672A CN 202011297765 A CN202011297765 A CN 202011297765A CN 112370672 A CN112370672 A CN 112370672A
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- Prior art keywords
- hydraulic
- prying
- support
- ruins
- hydraulic oil
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention belongs to the technical field of emergency rescue equipment, and relates to an expanding rod type pry for rescuing ruins life after an earthquake. The lever type pry is an expansion type hydraulic support which is in a telescopic lever type shape and is provided with a sawtooth structure; when the prying tool is not applied with hydraulic oil, the end part of the bracket retracts to form a non-protruding bar system structure; after the prying position is determined, the prying tip acts between the upper covering layer and the lower covering layer, the prying tip is connected with the hydraulic pipe body at a hydraulic oil interface through the bendable flexible elastic high-strength pipe, the hydraulic piston moves forwards in the hydraulic oil cavity along the hydraulic slide rod under the action of an external hydraulic oil pump, and the support sliding ring enables the support with the connecting hinge and the sawtooth steel bar to be in an expansion state under the action of the hydraulic slide rod until the support is pushed to the stretching fixed end, so that one-time prying support rescue work is completed; the problem that trapped people cannot be rescued due to the fact that no prying point space gap exists or the space gap is small can be solved; the method can be applied to life rescue of people trapped in ruins after an earthquake.
Description
Technical Field
The invention belongs to the technical field of emergency rescue equipment, and particularly relates to an expanding rod type pry for rescuing ruins life after an earthquake.
Background
The strong earthquake causes huge damage to the earth surface and buildings thereof, various dangerous buildings in the earthquake area tend to shake, the buildings collapse and accumulate like a mountain, broken walls are located everywhere, steel bars are exposed, and the structure is complex. In different stages of rescue, the people must be well held; the rescue tool can quickly and safely rescue the buried personnel from the ruins within 72 hours of rescue time and simultaneously ensure the safety of the search personnel by fully utilizing feasible rescue tools and scientific methods and technologies under various unfavorable working conditions such as aftershock, wind and rain, day and night temperature difference, rescue disturbance load and the like. How to ensure the safety and stability of the life rescue channel and how to efficiently improve the dynamic efficiency of life rescue are key technologies and major scientific problems of life rescue in ruins. But the rescue aim is realized, and the preconditions are as follows: an efficient and safe rescue tool is needed. The existing rescue tool has no corresponding good rescue tool when no prying point space gap exists or the existing rescue tool is small; the existing rescue tool can not realize effective rescue and can easily cause secondary injury to rescued people.
Disclosure of Invention
The invention aims to provide a rescue tool which can be applied to rescue trapped people in ruins after an earthquake and is particularly suitable for prying and supporting rescue ruins without prying point space gaps or smaller rescue spaces.
The technical scheme adopted by the invention is as follows: the lever type prying tool is a hydraulic support structure which can be extended into a lever type shape and is provided with a giant tooth shape, and the support is composed of more than 4 pieces of high-strength stainless steel; when the prying tool is not applied with hydraulic oil, the end part of the bracket retracts to form a non-protruding bar system structure; after the prying point position is determined, the prying end point acts between the upper covering layer and the lower covering layer, the bendable flexible elastic high-strength pipe is connected with the hydraulic pipe body at a hydraulic oil interface, the hydraulic piston moves forwards in the hydraulic oil cavity along the hydraulic slide rod under the action of an external hydraulic oil pump, and the support sliding ring enables the support with the connecting hinge and the sawtooth steel bar to be in an expansion state under the action of the hydraulic slide rod until the support extends to the fixed end, so that the prying point position can be pried and the rescue ruins can be supported without prying point space gaps or smaller rescue spaces.
The support slip ring and the support steel bar or the steel bar are hinged, and the number of the hinged parts is equal.
The tip of the prying end is processed into a cone of 20-30 degrees.
The hydraulic support is high-strength stainless steel with yield strength of more than 500 MPa; the number of the high-strength stainless steel bars or steel plates is increased along with the pressure of different supporting structures, and the surface of the high-strength stainless steel bars or steel plates is provided with the front and back staggered saw teeth, so that the surface friction force between the high-strength stainless steel bars or steel plates and the buried structure can be increased.
The cross section of the hydraulic column oil cavity is larger than that of the hydraulic oil inlet, so that the hydraulic column oil cavity has the function of a jack.
The size of the expansion bracket should increase with the size of the structure of the buried pressure space supported by the lever type prying tool.
The external hydraulic oil pump is connected with the hydraulic pipe body at the hydraulic oil interface through a bent flexible elastic high-strength pipe.
The invention has the beneficial effects that:
the rod-type pry is simple in process and convenient to manufacture, and expansion type ruin rescue rod-type prys with different models and sizes can be manufactured according to different sizes of buried structures after earthquake; the expansion type bracket has the advantages that the front and back staggered saw teeth are arranged on the surface of the high-strength steel stainless steel, so that the surface friction force between the expansion type bracket and a buried structure can be increased; the buried structure with different pressures can be pried up due to the action of the high-pressure hydraulic jack. When trapped people are rescued in the ruins after actual earthquake, a plurality of expansion type ruins rescue lever type prys can be used simultaneously, and the problem that trapped people are rescued after earthquake in a quick and efficient manner when rescue ruins have no prying point space gaps or are small can be solved.
Drawings
FIG. 1 is a schematic elevational view of the lever sled of the present invention;
FIG. 2 is a schematic view of the longitudinal section A-A of the lever type pry tool of the present invention in a contracted state;
FIG. 3 is a schematic view of the longitudinal section A-A of the lever sled of the present invention in an expanded state.
Reference numbers in the figures:
1-bending the flexible and elastic high-strength pipe; 2-hydraulic oil interface; 3-hydraulic cylinder wall; 4-hydraulic oil cavity; 5-hydraulic sliding rod; 6-a piston; 7-a cradle slip ring; 8-bracket connecting hinge; 9-reinforcing steel bars with sawtooth brackets; 10-picking the end tip; 11-hydraulic ram; 12-the stent extends the fixed end.
Detailed Description
The invention provides an expanding rod type pry for rescuing life in ruins after earthquake, and the invention is further explained by the description of the attached drawings and the specific implementation mode.
The lever type pry tool is an expansion type hydraulic support which is composed of a telescopic lever type reinforcing steel bar structure 9 with a sawtooth support, and the support is composed of more than 4 pieces of high-strength stainless steel; when the structure has no oil hydraulic pressure, the support is retracted to be a non-protruding rod system structure, as shown in figures 1 and 2; after the position and the prying point of a rescued worker in the ruins after an earthquake are determined, the prying end tip 10 acts between an upper covering layer and a lower covering layer, the bendable flexible high-strength tube 1 is connected with the hydraulic tube body 3 at the hydraulic oil interface 2, and under the work of an external hydraulic oil pump, hydraulic oil enables the hydraulic piston 6 to move forwards along the hydraulic slide rod 5 in the hydraulic oil cavity 4, so that the hydraulic jacking sliding column 11 acts on the support sliding ring 7, and the support 9 with the connecting hinge 8 and the sawtooth steel bar is in an expansion state until the hydraulic jacking sliding column 11 jacks the support extending fixing end 12, as shown in fig. 3; thereby completing the rescue and support work.
Claims (7)
1. An expansion rod type prying tool for rescuing life in ruins after earthquake is of a hydraulic support structure which can be expanded into a rod type shape and is provided with a giant tooth shape, and the support is composed of more than 4 pieces of high-strength stainless steel; when the prying tool is not applied with hydraulic oil, the end part of the bracket retracts to form a non-protruding bar system structure; after the prying point position is determined, the prying end point acts between the upper covering layer and the lower covering layer, the bendable flexible elastic high-strength pipe is connected with the hydraulic pipe body at a hydraulic oil interface, the hydraulic piston moves forwards in the hydraulic oil cavity along the hydraulic slide rod under the action of an external hydraulic oil pump, and the support sliding ring enables the support with the connecting hinge and the sawtooth steel bar to be in an expansion state under the action of the hydraulic slide rod until the support extends to the fixed end, so that the prying point position can be pried and the rescue ruins can be supported without prying point space gaps or smaller rescue spaces.
2. The life rescue expansion rod type pry tool in the ruins after earthquake according to claim 1, wherein the bracket sliding ring and the bracket steel bar or steel bar are hinged, and the number of the hinged brackets is equal.
3. The life rescue expansion rod type pry tool in the ruins after earthquake according to claim 1, wherein the tip of the prying end is processed into a cone of 20-30 degrees.
4. The life rescue expansion rod type pry tool in the ruins after earthquake according to claim 1, wherein the hydraulic support is high-strength stainless steel with yield strength of more than 500 MPa; the number of the high-strength stainless steel bars or steel plates is increased along with the pressure of different supporting structures, and the surface of the high-strength stainless steel bars or steel plates is provided with the front and back staggered saw teeth, so that the surface friction force between the high-strength stainless steel bars or steel plates and the buried structure can be increased.
5. The expanding lever type pry tool for life rescue in ruins after earthquake according to claim 1, wherein the cross section of the oil cavity of the hydraulic column is larger than that of the hydraulic oil inlet, so that the hydraulic column has a jack function.
6. The life rescue expansion rod type pry tool in the ruins after earthquake according to claim 1, wherein the size of the expansion support is increased along with the increase of the size of a buried pressure space structure supported by the rod type pry tool.
7. The life rescue expansion rod type pry tool in the ruins after earthquake according to claim 1, wherein the external hydraulic oil pump is connected with the hydraulic pipe body at a hydraulic oil interface through a bent flexible and elastic high-strength pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011297765.8A CN112370672A (en) | 2020-11-20 | 2020-11-20 | Expanding rod type pry for rescuing ruin life after earthquake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011297765.8A CN112370672A (en) | 2020-11-20 | 2020-11-20 | Expanding rod type pry for rescuing ruin life after earthquake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112370672A true CN112370672A (en) | 2021-02-19 |
Family
ID=74585165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011297765.8A Withdrawn CN112370672A (en) | 2020-11-20 | 2020-11-20 | Expanding rod type pry for rescuing ruin life after earthquake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112370672A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033477A (en) * | 2022-01-10 | 2022-02-11 | 中铁十七局集团第五工程有限公司 | Rapid labor-saving safety rescue method |
| CN114031021A (en) * | 2021-12-23 | 2022-02-11 | 韦邦耸 | Electric crow bar |
| CN114455520A (en) * | 2022-03-09 | 2022-05-10 | 韦邦耸 | Electric crow bar |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08215327A (en) * | 1995-02-17 | 1996-08-27 | Yoshiro Nakamatsu | Burying escape instrument |
| JPH1099462A (en) * | 1996-10-02 | 1998-04-21 | Kenji Hanabusa | Clearance expanding machine for rescue of person from collapsed house |
| CN102172426A (en) * | 2011-01-28 | 2011-09-07 | 清华大学 | Expanding rescue device for ruin channel |
| CN102266648A (en) * | 2011-04-27 | 2011-12-07 | 太原理工大学 | Portable spiral rescue expander |
| CN202212878U (en) * | 2011-08-23 | 2012-05-09 | 天津泰瑞救援装备有限公司 | Hydraulic multifunctional pincers |
| CN102500073A (en) * | 2011-09-29 | 2012-06-20 | 天津泰瑞救援装备有限公司 | Hydraulic expander |
| CN202761942U (en) * | 2012-09-14 | 2013-03-06 | 广西大学 | Mechanical gap expander |
| CN202897923U (en) * | 2012-10-18 | 2013-04-24 | 宁波大学 | Combined type hydraulic jack |
| CN203663279U (en) * | 2013-12-11 | 2014-06-25 | 宝鸡市众安消防器材有限公司 | Miniature expanding device |
| US20190083821A1 (en) * | 2016-05-06 | 2019-03-21 | Lukas Hydraulik Gmbh | Method for operating a work appliance or rescue appliance, work appliance or rescue appliance, and energy source |
| CN208865071U (en) * | 2017-02-13 | 2019-05-17 | 杭州众铎消防科技有限公司 | Electro hydraulic gear |
| CN110064138A (en) * | 2019-05-09 | 2019-07-30 | 湖南科技大学 | A kind of coniform spiral parallel-moving type expanding rescuing equipment |
| CN209195480U (en) * | 2018-09-27 | 2019-08-02 | 大连卓亿科技有限公司 | A kind of emergency and rescue equipment |
| CN211024867U (en) * | 2019-10-21 | 2020-07-17 | 天津瀚洋达海洋工程有限公司 | Air pressure type forcible entry tool |
-
2020
- 2020-11-20 CN CN202011297765.8A patent/CN112370672A/en not_active Withdrawn
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08215327A (en) * | 1995-02-17 | 1996-08-27 | Yoshiro Nakamatsu | Burying escape instrument |
| JPH1099462A (en) * | 1996-10-02 | 1998-04-21 | Kenji Hanabusa | Clearance expanding machine for rescue of person from collapsed house |
| CN102172426A (en) * | 2011-01-28 | 2011-09-07 | 清华大学 | Expanding rescue device for ruin channel |
| CN102266648A (en) * | 2011-04-27 | 2011-12-07 | 太原理工大学 | Portable spiral rescue expander |
| CN202212878U (en) * | 2011-08-23 | 2012-05-09 | 天津泰瑞救援装备有限公司 | Hydraulic multifunctional pincers |
| CN102500073A (en) * | 2011-09-29 | 2012-06-20 | 天津泰瑞救援装备有限公司 | Hydraulic expander |
| CN202761942U (en) * | 2012-09-14 | 2013-03-06 | 广西大学 | Mechanical gap expander |
| CN202897923U (en) * | 2012-10-18 | 2013-04-24 | 宁波大学 | Combined type hydraulic jack |
| CN203663279U (en) * | 2013-12-11 | 2014-06-25 | 宝鸡市众安消防器材有限公司 | Miniature expanding device |
| US20190083821A1 (en) * | 2016-05-06 | 2019-03-21 | Lukas Hydraulik Gmbh | Method for operating a work appliance or rescue appliance, work appliance or rescue appliance, and energy source |
| CN208865071U (en) * | 2017-02-13 | 2019-05-17 | 杭州众铎消防科技有限公司 | Electro hydraulic gear |
| CN209195480U (en) * | 2018-09-27 | 2019-08-02 | 大连卓亿科技有限公司 | A kind of emergency and rescue equipment |
| CN110064138A (en) * | 2019-05-09 | 2019-07-30 | 湖南科技大学 | A kind of coniform spiral parallel-moving type expanding rescuing equipment |
| CN211024867U (en) * | 2019-10-21 | 2020-07-17 | 天津瀚洋达海洋工程有限公司 | Air pressure type forcible entry tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114031021A (en) * | 2021-12-23 | 2022-02-11 | 韦邦耸 | Electric crow bar |
| CN114033477A (en) * | 2022-01-10 | 2022-02-11 | 中铁十七局集团第五工程有限公司 | Rapid labor-saving safety rescue method |
| CN114033477B (en) * | 2022-01-10 | 2022-03-15 | 中铁十七局集团第五工程有限公司 | Rapid labor-saving safety rescue method |
| CN114455520A (en) * | 2022-03-09 | 2022-05-10 | 韦邦耸 | Electric crow bar |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210219 |
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| WW01 | Invention patent application withdrawn after publication |