CN109701179A - A kind of narrow space flexibility package deliverance apparatus - Google Patents

A kind of narrow space flexibility package deliverance apparatus Download PDF

Info

Publication number
CN109701179A
CN109701179A CN201910137777.5A CN201910137777A CN109701179A CN 109701179 A CN109701179 A CN 109701179A CN 201910137777 A CN201910137777 A CN 201910137777A CN 109701179 A CN109701179 A CN 109701179A
Authority
CN
China
Prior art keywords
support chassis
terminal pad
air inlet
end cap
double
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.)
Granted
Application number
CN201910137777.5A
Other languages
Chinese (zh)
Other versions
CN109701179B (en
Inventor
赵杰
朱延河
隋东宝
王天铄
覃文雷
邹锐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Institute of Technology
Original Assignee
Harbin Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN201910137777.5A priority Critical patent/CN109701179B/en
Publication of CN109701179A publication Critical patent/CN109701179A/en
Application granted granted Critical
Publication of CN109701179B publication Critical patent/CN109701179B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of narrow space flexibility package deliverance apparatus, it is related to a kind of deep well rescue machine people, it includes support chassis, air inlet terminal pad, transmission mechanism, support tube, inflation end cap, power source, Double-layer flexible air bag and Duo Gen tightrope;Support tube is connected on the lower end surface of support chassis, end cap lid is inflated to close on support chassis, air inlet terminal pad and transmission mechanism, the internal layer of Double-layer flexible air bag is clamped at support chassis and air inlet terminal pad contact connectio, and the outer layer of Double-layer flexible air bag is clamped at the contact connectio of inflation end cap and air inlet terminal pad;Transmission mechanism is arranged in support chassis through hole, and the power source drive covered by being mounted on inflatable end.The configuration of the present invention is simple is securely and reliably suitble to the rescue operation under the deep-well of small space.

Description

A kind of narrow space flexibility package deliverance apparatus
Technical field
The present invention relates to a kind of deep well rescue devices, and in particular to a kind of narrow space flexibility package deliverance apparatus.
Background technique
At present for deep well rescue, since its operating space is narrow, large-scale rescue aid can not enter from well head, because And current rescue method is to excavate the rescue method in well side soil using large type drill and excavating machinery, but this method Cost is high, once and captive depths located underground, then the position of captive can not be positioned, easily causes to excavate dislocation, Even injury captive.
Summary of the invention
The present invention is to overcome the shortcomings of the existing technology, provide a kind of narrow space flexibility package deliverance apparatus, the robot knot Structure is simple and flexibility is good, convenient for the rescue operation under the deep-well of small space.
The technical scheme is that
A kind of narrow space flexibility package deliverance apparatus include support chassis, air inlet terminal pad, transmission mechanism, support tube, Inflate end cap, power source, Double-layer flexible air bag and Duo Gen tightrope;
The middle part of support chassis, air inlet terminal pad and inflation end cap is machined with through-hole, and the outer rim top of support chassis is set It is equipped with the air inlet terminal pad being tightly connected with support chassis, support tube is connected on the lower end surface of support chassis, and support tube end Face covers the through-hole of support chassis and the two is coaxially disposed, and inflation end cap lid is closed in support chassis, air inlet terminal pad and driver On structure, the internal layer of Double-layer flexible air bag is clamped at support chassis and air inlet terminal pad contact connectio, Double-layer flexible inflation The outer layer of bag is clamped at the contact connectio of inflation end cap and air inlet terminal pad;Transmission mechanism is arranged in support chassis through-hole Place, and the power source drive covered by being mounted on inflatable end, inflation end cap, support chassis have between air inlet terminal pad three With the air flue of Double-layer flexible air bag inner cavity perforation, one end of more tightropes is fixed on outer gear ring light wall, and more tightropes are through propping up The rope through penetrated through on support chassis and air inlet terminal pad protrudes into Double-layer flexible air bag, and the other end of more tightropes is fixed on bilayer Bottom in flexible gas-filled bag.
Further, transmission mechanism includes outer gear ring and gear, is machined in the middle through-hole outer rim of support chassis outward Convex sleeve, outer gear ring inner hole are rotatably installed on the sleeve, and inflation end cap lid is closed in support chassis, air inlet terminal pad and outer On gear ring, inflatable end, which covers, is rotatably equipped with gear, and gear is engaged with outer gear ring, the power that gear is covered by being mounted on inflatable end Source driving.
The beneficial effect of the present invention compared with prior art is
1, the structure of deep well rescue machine people is simple, small volume, convenient for the rescue work of underground small space.
2, it is driven due to it based on air pressure, therefore a tracheae is only needed to provide for power, as long as tracheae long enough, energy Realize the heavy duty service far from earth's surface.
3, plastic support ring is supported as captive head protection, so that it is not inflated bag expansion and is squeezed, to guarantee quilt The safety of tired person.And it can be used as the limitation that air bag expands outward, preferably lead to downwards to be easily achieved air bag Cross buttocks.
4, this robot lower part rescue air bag makes always to be divided into inside and outside it after folding inward using the double-layer structure of annular Four layers, be power based on air pressure, when folded air bag even inflation reaches buttocks, outermost two layers bag of layer is firstly because and body Stiction is excessive between body, stationary motion, continues to inflate, and the bag layer of two layers of folding, which is slowly gone out, in making most is gradually converted into outside Layer inflation (the bag layer and adjacent contacting layer of two layers of penetralia folding at this time are equivalent to pure rolling at this time), outer bag layer and body it Between between continue to remain stationary because of stiction, so slowly circulation is gone down, solve captive because underground narrow space other Mechanism buttocks be difficult to by problem.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the deep well rescue machine people driven the present invention is based on air pressure;
Fig. 2 is support chassis, air inlet terminal pad and inflation end cap connection relationship diagram;
Fig. 3 is to install cogged schematic diagram in air inlet terminal pad;
Fig. 4 is support tube and support chassis connection relationship diagram;
Fig. 5 is the deep well rescue machine people's main cross-sectional schematic diagram driven based on air pressure;
Fig. 6 is partial enlarged view at the K of Fig. 5;
Fig. 7 is that bag package rescue status diagram is inflated under simulation deep-well.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Referring to figure 1 and figure 2,
Referring to shown in Fig. 1-Fig. 6, a kind of narrow space flexibility package deliverance apparatus, it includes support chassis 1, air inlet connection Disk 2, transmission mechanism 11, support tube 5, inflation end cap 6, power source 8, Double-layer flexible air bag 9 and Duo Gen tightrope 10;
It support chassis 1, air inlet terminal pad 2 and inflates the middle part of end cap 6 and is machined with through-hole, in the outer rim of support chassis 1 Portion is provided with the air inlet terminal pad 2 being tightly connected with support chassis 1, and support tube 5 is connected on the lower end surface of support chassis 1, and 5 end face of support tube covers the through-hole of support chassis 1 and the two is coaxially disposed, and the inflation lid of end cap 6 is closed to be connected in support chassis 1, air inlet It connects on disk 2 and transmission mechanism 11, the internal layer of Double-layer flexible air bag 9 is clamped at support chassis 1 and the contact of air inlet terminal pad 2 connects Place is met, the outer layer of Double-layer flexible air bag 9 is clamped at the contact connectio of inflation end cap 6 and air inlet terminal pad 2;
Transmission mechanism 11 is arranged in 1 through hole of support chassis, and the power source 8 by being mounted on inflation end cap 6 drives, and fills Gas end cap 6, support chassis 1 have the air flue penetrated through with 9 inner cavity of Double-layer flexible air bag between 2 three of air inlet terminal pad, and more One end of tightrope 10 is fixed on the smooth wall of outer gear ring 3, mistake of the more tightropes 10 through penetrating through in support chassis 1 and air inlet terminal pad 2 Cord hole protrudes into Double-layer flexible air bag 9, and the other end of more tightropes 10 is fixed on bottom in Double-layer flexible air bag 9.
The further improvement of above embodiment, transmission mechanism 11 include outer gear ring 3 and gear 4, the middle part of support chassis 1 Outwardly convex sleeve is processed in through-hole outer rim, 3 inner hole of outer gear ring is rotatably installed on the sleeve, and the inflation lid of end cap 6 closes In support chassis 1, air inlet terminal pad 2 and outer gear ring 3, inflates and be rotatably equipped with gear 4 on end cap 6, gear 4 is nibbled with outer gear ring 3 It closes, gear 4 is driven by the power source 8 being mounted on inflation end cap 6.
Air inlet terminal pad 2 is bolted to connection with support chassis 1,3 inner hole of outer gear ring and 1 clearance fit of support chassis Connection, outer gear ring 3 relatively rotate with support chassis 1.
Gear 4 is engaged with the formation of outer gear ring 3, and the gear shaft of gear 4 passes through in the axis hole in support chassis 1, passes through bearing It is fixed.Since outer gear ring 3 can make independent rotation, such outer gear ring 3 can the movement that rotates with the rotation of gear 4. Inflation end cap 6, support tube 5 and support chassis 1 are fixed by screw, and inflation end cap 6, air inlet terminal pad 2 and support chassis 1 pass through It is bolted fixation, to ensure that the sealing in top air inlet space.
Preferably, Double-layer flexible air bag 9 is polybag.In general, polybag is polypropylene plastics pocket.Using polybag, It is light to be easy to get, it is easy to use.
Preferably, in order to protect human body head, support tube 5 is high-strength polyethylene plastic barrel in rescue operations.It is high-strength It spends material and guarantees not cracky, play good supporting role.
Referring to shown in Fig. 1 and Fig. 5, the power source 8 is motor, and the output end of motor is connected with output shaft, and output shaft turns Dynamic to be mounted in support chassis 1, gear 4 is packed on output shaft.Alternatively, power source 8 is rocker arm, one end is rotatably installed in In support chassis 1, gear 4 is packed on rocker arm.Rocker arm is alternative solution when underground is really rescued, and is used for this side of simplation verification The feasibility of case, after being replaced by motor, gear provides rotary power, and lower part is cooperated by the output shaft and bore of motor, Band moving gear 4 rotates.
The application is illustrated here with rocker arm, shown in Figure 1, and other various pieces are made with bolt 7 and rocker arm 8 Related introduction.Rocker arm 8 passes through the gear axis connection of bolt 7 and gear 4, and the internal layer of Double-layer flexible air bag 9 is by 1 He of support chassis 2 contact portion of air inlet terminal pad clamps, and outer layer is clamped by inflation end cap 6 and air inlet terminal pad 2, perpendicular from using 4 tightropes 10 For cloth inside Double-layer flexible air bag 9, lower end is fixedly arranged at 9 bottom of Double-layer flexible air bag, and upper end is circumferential by support chassis 1 Aperture consolidates on cloth rope through and the smooth wall of outer gear ring 3, (can be that the lower end of tightrope 10 is pulled up, make bilayer by folded inside It is intracavitary including flexible gas-filled bag bottom to upwardly extend, become four layers of bag after so folding), it foreshortens within 5 length of support tube.Such as Fig. 6 and Fig. 7 is that tightrope 10 specifically enters details displaying that is internal and being finally fixed at 3 lower part light wall of outer gear ring.
There is ring-shaped chamber between support chassis 1, air inlet terminal pad 2 and inflation 3 three of end cap, add in air inlet terminal pad 2 What work and ring-shaped chamber and Double-layer flexible air bag 9 connected crosses gas channel, crosses gas channel and air flue is collectively formed in ring-shaped chamber. After Double-layer flexible air bag 9 is folded inflation, gas enters air flue and Double-layer flexible air bag through the inflating port on inflation end cap 6 In 9, the expansion rescue of Double-layer flexible air bag 9 is realized.Preferably, crossing gas channel is that annular crosses gas channel.
The course of work
On the ground referring to figure, Double-layer flexible air bag 9 is folded inward first, 4 tightropes 10 are in relaxation shape at this time State rotates clockwise rocker arm 8 or starting motor, rotates gear 4, while outer gear ring 3 being driven to rotate, and makes to be fixed on outer ring transmission 4 flexible tightropes 10 on gear 3 shrink simultaneously and are in tightening state, and then one side double-layer plastic bag 9 folds inward, on one side Gear rocker arm 8 is rotated clockwise, and 4 flexible tightropes 10 is made to tighten speed with the folding rate almost one inward of double-layer plastic bag 9 It causes, until double-layer plastic bag 9 folds into 5 upper end of support tube inward.At this time and guarantee that total height is accumulated in the folding of double-layer plastic bag 9 Less than the vertical height of support tube 5.Support tube 5 plays auxiliary guiding and carries the arrival of the Double-layer flexible air bag 9 shoulder portion folded The purpose of position, human body head enters in support tube 5 at this time, and has certain support protective effect to human body heads such as children.It needs When rescuing, this robot is slowly put into along the borehole wall, at the shoulder that 5 lower part of support tube reaches captive, uses phase Closing device fixes top inflation end cap.
It opens air pump valve and inflates through inflation end cap 6 to air flue stomata, the beginning of air bag 9 slowly expands, at 4 tightropes 10 In tension, air pump valve is controlled, constant-pressure stable air inlet is made, then slowly rotate counterclockwise rocker arm 8 or keeps motor speed slow Slowly, release is wrapped in the tightrope 10 of 3 lower part of outer gear ring, and keeps release 10 speed of tightrope and 9 speed of expansion of air bag almost Unanimously, reach the control 9 extremely non-uniform purpose of position decrease speed out of the ordinary of air bag, to guarantee that 9 lower part of air bag is uniform It is expanded into sustained height.Constantly inflation, air bag 9 become four layers of inflation close to uniformly expansion is gone out downwards after folding at this time Bag 9 makees following movement, and 9 internal layer of air bag is gone out when reaching buttocks, outermost two layers of air bag firstly because between body static friction Power is excessive, stationary motion, continues to inflate, and the air bag of two layers of folding slowly goes out that be gradually converted into balloon outer (most interior in making most The air bag of two layers of portion folding is gone out outward is equivalent to pure rolling with adjacent contacting layer at this time), between balloon outer and body between Continue to remain stationary because of stiction, so slowly circulation is gone down, and two layers of air bag of last folded inside goes out buttocks hereinafter, punching It is partially converted into balloon outer out, finally reaches the knee of captive.After reaching knee, it is gradually increased inner gas pressure, air bag Inner wall and the fitting area of body of captive be gradually increased, also rubbing between final double-layer inflatable bag 9 and captive body Power is wiped to be gradually increased.As shown in fig. 7, central object simulates captive, 9 internal layer of double-layer inflatable bag wraps captive.
When double-layer inflatable bag 9, which expands, breaks through buttocks, pressure increases, when reaching certain value, air bag and captive Frictional force is greater than the gravity and the sum of air bag and the frictional force of the borehole wall of captive.At this moment, it can be incited somebody to action by top relevant apparatus Captive pulls out deep-well.
The present invention is disclosed as above with preferable case study on implementation, and however, it is not intended to limit the invention, any to be familiar with this profession Technical staff, without departing from the scope of the present invention, when the structure and technology contents that can use the disclosure above are done A little change or it is modified to the equivalence enforcement case of equivalent variations out, but it is all without departing from technical solution of the present invention Hold, any simple modification, equivalent change and modification done according to the technical essence of the invention to the above case study on implementation still belong to Technical solution of the present invention range.

Claims (9)

1. a kind of narrow space flexibility wraps up deliverance apparatus, it is characterised in that: it includes support chassis (1), air inlet terminal pad (2), transmission mechanism (11), support tube (5), inflation end cap (6), power source (8), Double-layer flexible air bag (9) He Duogen tightrope (10);
Support chassis (1), air inlet terminal pad (2) and inflate the middle part of end cap (6) and be machined with through-hole, support chassis (1) it is outer Edge top is provided with the air inlet terminal pad (2) being tightly connected with support chassis (1), and support tube (5) is connected to support chassis (1) On lower end surface, and the through-hole of support tube (5) end face covering support chassis (1) and the two coaxial arrangement, inflation end cap (6) lid, which closes, to exist On support chassis (1), air inlet terminal pad (2) and transmission mechanism (11), the internal layer of Double-layer flexible air bag (9) is clamped at support At chassis (1) and air inlet terminal pad (2) contact connectio, the outer layer of Double-layer flexible air bag (9) be clamped at inflation end cap (6) with At the contact connectio of air inlet terminal pad (2);
Transmission mechanism (11) is arranged in support chassis (1) through hole, and the power source (8) by being mounted in inflation end cap (6) drives Dynamic, inflation end cap (6), support chassis (1) have between air inlet terminal pad (2) three and pass through with Double-layer flexible air bag (9) inner cavity Logical air flue, one end of more tightropes (10) are fixed on outer gear ring (3) Guang Bishang, more tightropes (10) through support chassis (1) and The rope through penetrated through in air inlet terminal pad (2) protrudes into Double-layer flexible air bag (9), and the other end of more tightropes (10) is fixed on double Layer flexible gas-filled bag (9) interior bottom.
2. a kind of narrow space flexibility wraps up deliverance apparatus according to claim 1, it is characterised in that: the transmission mechanism (11) include outer gear ring (3) and gear (4), process outwardly convex sleeve, external tooth in the middle through-hole outer rim of support chassis (1) Circle (3) inner hole be rotatably installed on the sleeve, inflation end cap (6) lid close support chassis (1), air inlet terminal pad (2) and outside On gear ring (3), it is rotatably equipped with gear (4) in inflation end cap (6), gear (4) is engaged with outer gear ring (3), and gear (4) is by installing Power source (8) driving in inflation end cap (6).
3. a kind of narrow space flexibility wraps up deliverance apparatus according to claim 2, it is characterised in that: the Double-layer flexible fills Airbag (9) is polybag.
4. a kind of narrow space flexibility wraps up deliverance apparatus according to claim 3, it is characterised in that: the polybag is poly- Acrylic plastic bag.
5. a kind of narrow space flexibility wraps up deliverance apparatus according to claim 4, it is characterised in that: the support tube (5) For high-strength polyethylene plastic barrel.
6. a kind of narrow space flexibility wraps up deliverance apparatus according to claim 5, it is characterised in that: the power source (8) For motor, the output end of motor is connected with output shaft, and output shaft is rotatably installed on support chassis (1), and gear (4) is packed in defeated On shaft.
7. a kind of narrow space flexibility wraps up deliverance apparatus according to claim 5, it is characterised in that: the power source (8) For rocker arm, one end is rotatably installed on support chassis (1), and gear (4) is packed on rocker arm.
8. a kind of narrow space flexibility wraps up deliverance apparatus according to claim 7, it is characterised in that: support chassis (1), into There are ring-shaped chamber (23) between gas terminal pad (2) and inflation end cap (3) three, processing is held with annular in air inlet terminal pad (2) What chamber and Double-layer flexible air bag (9) connected crosses gas channel (21), crosses gas channel (21) and air flue is collectively formed in ring-shaped chamber.
9. a kind of narrow space flexibility wraps up deliverance apparatus according to claim 8, it is characterised in that: described to cross gas channel (21) gas channel is crossed for annular.
CN201910137777.5A 2019-02-25 2019-02-25 Flexible parcel rescue device in narrow space Active CN109701179B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910137777.5A CN109701179B (en) 2019-02-25 2019-02-25 Flexible parcel rescue device in narrow space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910137777.5A CN109701179B (en) 2019-02-25 2019-02-25 Flexible parcel rescue device in narrow space

Publications (2)

Publication Number Publication Date
CN109701179A true CN109701179A (en) 2019-05-03
CN109701179B CN109701179B (en) 2020-07-07

Family

ID=66264999

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910137777.5A Active CN109701179B (en) 2019-02-25 2019-02-25 Flexible parcel rescue device in narrow space

Country Status (1)

Country Link
CN (1) CN109701179B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111249647A (en) * 2020-03-18 2020-06-09 李桢祺 Deep well rescue system

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201551755U (en) * 2009-10-19 2010-08-18 钱佳宝 Deep-well rescue apparatus
CN202096625U (en) * 2011-05-10 2012-01-04 杨永钦 Salvage device for deep well
CN203634686U (en) * 2013-11-21 2014-06-11 刘永风 Air sac barrel for rescuing from small-bore deep well
CN104399207A (en) * 2014-12-19 2015-03-11 山东交通学院 Deep well rescue device
CN105298535A (en) * 2015-11-16 2016-02-03 别远辉 Deep well rescue device
CN105459124A (en) * 2015-12-14 2016-04-06 刘永风 Deep well rescue device
CN105641827A (en) * 2015-12-30 2016-06-08 沈阳师范大学 Undershaft rescue device
CN106823189A (en) * 2017-03-28 2017-06-13 西华大学 It is a kind of suitable for the deep well rescue machine people of small space and rescue mode
CN107412972A (en) * 2017-07-13 2017-12-01 彭声强 A kind of deep well rescue device
CN107485808A (en) * 2017-10-17 2017-12-19 张兴荣 Intelligent holographic deep well rescue system
CN107837473A (en) * 2017-10-23 2018-03-27 张宇川 Underground rescue robot
CN108014436A (en) * 2016-11-03 2018-05-11 湖北汽车工业学院 A kind of deep-well falls well deliverance apparatus
CN108339207A (en) * 2018-03-20 2018-07-31 西南交通大学 Cartridge type deep well rescue device
CN109224339A (en) * 2018-11-15 2019-01-18 乾安县鸿安食品有限责任公司 A kind of deep well salvage device and method

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201551755U (en) * 2009-10-19 2010-08-18 钱佳宝 Deep-well rescue apparatus
CN202096625U (en) * 2011-05-10 2012-01-04 杨永钦 Salvage device for deep well
CN203634686U (en) * 2013-11-21 2014-06-11 刘永风 Air sac barrel for rescuing from small-bore deep well
CN104399207A (en) * 2014-12-19 2015-03-11 山东交通学院 Deep well rescue device
CN105298535A (en) * 2015-11-16 2016-02-03 别远辉 Deep well rescue device
CN105298535B (en) * 2015-11-16 2018-01-26 别远辉 Deep-well rescue device
CN105459124B (en) * 2015-12-14 2017-09-12 刘永风 Deep well rescue device
CN105459124A (en) * 2015-12-14 2016-04-06 刘永风 Deep well rescue device
CN105641827A (en) * 2015-12-30 2016-06-08 沈阳师范大学 Undershaft rescue device
CN108014436A (en) * 2016-11-03 2018-05-11 湖北汽车工业学院 A kind of deep-well falls well deliverance apparatus
CN106823189A (en) * 2017-03-28 2017-06-13 西华大学 It is a kind of suitable for the deep well rescue machine people of small space and rescue mode
CN107412972A (en) * 2017-07-13 2017-12-01 彭声强 A kind of deep well rescue device
CN107485808A (en) * 2017-10-17 2017-12-19 张兴荣 Intelligent holographic deep well rescue system
CN107837473A (en) * 2017-10-23 2018-03-27 张宇川 Underground rescue robot
CN108339207A (en) * 2018-03-20 2018-07-31 西南交通大学 Cartridge type deep well rescue device
CN109224339A (en) * 2018-11-15 2019-01-18 乾安县鸿安食品有限责任公司 A kind of deep well salvage device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111249647A (en) * 2020-03-18 2020-06-09 李桢祺 Deep well rescue system
CN111249647B (en) * 2020-03-18 2021-11-19 李桢祺 Deep well rescue system

Also Published As

Publication number Publication date
CN109701179B (en) 2020-07-07

Similar Documents

Publication Publication Date Title
CN109701179A (en) A kind of narrow space flexibility package deliverance apparatus
ES2169819T3 (en) METHOD AND APPLIANCE TO PRODUCE BELTS WITH A PRECISE ROPE LENGTH AND VOLTAGE.
CN104224519A (en) Automatic breast massager
CN102678133A (en) Device and method for stopping water when heading device enters into receiving well
CN203090306U (en) Deep-well rescue device
CN203329011U (en) Automatic chest massaging instrument
US5536191A (en) Life-saving assistance drive
CN207268164U (en) The multi-functional rat hole for getting rid of and being drilled well tubular tool is connected and torn open on oil-well rig
KR102351443B1 (en) Lifesaving throwable tube
CN109821165A (en) A kind of controllable flexible rope device of deep well rescue
CN202163605U (en) Waistband-type emergency life buoy capable of being inflated fast when in water
CN206857348U (en) A kind of shock resistance protection device
CN109160464A (en) A kind of high-altitude operation vehicle with protective air-bag
US8978572B2 (en) Submarine
CN212395772U (en) Training is with iron tower climbing with climbing rope
CN106828480B (en) A kind of anti-settling aircushion vehicle that keeps out the wind
CN209560849U (en) Construction site safety belt experiences safely shop
CN214648936U (en) Active drowning prevention device
CN111529979B (en) Positive pressure air respirator convenient to know atmospheric pressure
CN207935621U (en) Pipeline slip casting prosthetic device
WO2001068445A2 (en) Floating rescue apparatus
CN109731253A (en) A kind of flexible deep well rescue machine people based on air pressure driving
CN214807998U (en) Small-bore deep well rescue air bag protection structure
CN220813539U (en) Zipper type airbag safety cone
CN217841939U (en) Air pump capable of being rapidly inflated and deflated

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant