CN106693220A - Electric power detecting construction safety belt hanger - Google Patents
Electric power detecting construction safety belt hanger Download PDFInfo
- Publication number
- CN106693220A CN106693220A CN201611178241.0A CN201611178241A CN106693220A CN 106693220 A CN106693220 A CN 106693220A CN 201611178241 A CN201611178241 A CN 201611178241A CN 106693220 A CN106693220 A CN 106693220A
- Authority
- CN
- China
- Prior art keywords
- triggering
- pin
- electric power
- valve body
- control valve
- 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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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D17/00—Parachutes
- B64D17/62—Deployment
- B64D17/72—Deployment by explosive or inflatable means
Abstract
In particular, the invention relates to an electric power detecting construction safety belt hanger. The technical problem that existing high-altitude descending devices are prone to being triggered falsely is solved. The provided electric power detecting construction safety belt hanger comprises a high-pressure gas cylinder, a containing bag and a parachute stored in the containing bag. The four corners of the parachute are connected to the bottom of the containing bag through connecting ropes. The electric power detecting construction safety belt hanger is characterized by further comprising a control valve; a piston is arranged in a valve body; a gas cylinder connector is arranged in the position, at the front end of the piston, of the valve body of the control valve; the high-pressure gas cylinder is connected with the control valve through the gas cylinder connector; a gas explosion opening is formed in the position, behind the gas cylinder connector, of the valve body of the control valve; a gas bag of the parachute is connected with the gas explosion opening through a pipeline; and the purpose of opening and closing the gas explosion opening is achieved by controlling the piston to move. The descending device greatly decreases the false triggering possibility and ensures smooth operation and the personal safety of construction personnel.
Description
Technical field
Particularly, for ensuring the safety of workmen's personal safety when being constructed the present invention relates to a kind of detection of electric power high-altitude
Band hanger.
Background technology
For the main device for guaranteeing personal safety it is safety belt during current electric power high-altitude detection operation, but safety belt is in hair
When raw fracture or hook come off, there is no corresponding safeguard, great potential safety hazard is brought to the personal safety of operating personnel.
Chinese patent literature 201610066813.X disclose a kind of anti-fall fast quick-fried slow descending device of power system rod-rising tower and
Its method, its technical scheme is to include collecting bag, and triggering device is installed on collecting bag, and gas cylinder is installed in triggering device, is touched
The venthole of transmitting apparatus is connected to the air admission hole of the air bag set on parachute by pipeline, and parachute is accommodated in bag container,
And four angles of rectangle parachute are connected to bag container bottom by connecting rope, and rope is connected with the operating side of triggering device.Such as
Fruit is hung said apparatus with safety belt, rapid using the gas cylinder in the device when workmen falls
Air bag on parachute is filled up, parachute is opened such that it is able to workmen is slowly fallen, play the mesh of security protection
's.
The triggering device of the anti-fall fast quick-fried descending lifeline is tactile by control using just to the triggering pin of gas cylinder sealing film
The action of hairpin reaches the effect of quick ignition.The control of wherein triggering pin has two kinds, and one kind is to pull triggering, one using drawstring
Plant is controlled by electronic installation using acceleration transducer detection.
But there is very big potential safety hazard in above two triggering mode, by the way of drawstring pulls triggering, work progress
In if drawstring occur winding cause interference pull or operating personnel by mistake pull can cause gas cylinder seal speed it is quick-fried；And use
Acceleration detection mode, as long as the state for accelerating occurs in descending lifeline, electronic installation also can immediately cause gas cylinder to seal
It is fast quick-fried, having for the state may be excessive to workmen's movement range too quickly related, it is also possible to was carried in transport
The acceleration mode occurred in journey is relevant.The gas cylinder sealing speed of above-mentioned appearance is quick-fried to belong to false triggering, caused by false triggering
Gas cylinder sealing speed it is quick-fried be all for device or workmen it is fatal, if occurred suddenly in normal high-altitude application
Gas cylinder sealing speed is quick-fried, not only causes operation obstacle, and unexpected scaring can be brought to cause to fall on the contrary to workmen
The rising of probability.
The content of the invention
It is the technical problem of easy false triggering in the presence of the existing high-altitude slow-falling device of solution, the present invention is to existing descending lifeline
It is improved, the descending lifeline after improvement is combined as hanger with safety belt, effectively prevents false triggering, ensures to reach
The purpose that device can start rapidly when action is needed.
To realize above-mentioned technical purpose, the technical solution adopted by the present invention is：Electric power detection construction safety band hanger, bag
Gas cylinder, bag container and the parachute being accommodated in bag container are included, the corner of parachute is connected to bag container by connecting rope
Bottom, it is characterised in that：Also include control valve, described control valve includes the valve body of a sealing, valve body in convex so as to
Valve inner forms the diameter of the diameter less than rear chamber of front cavity and rear chamber, front and rear cavity insertion and front cavity, in valve body
Be provided with piston, piston diameter is consistent with front cavity internal diameter, the tailgate consistent with rear chamber internal diameter be provided with piston tail end, tailgate with
Support spring is provided between valve body end plate, the air pressure balance duct along axis insertion is provided with internal piston；In the control of piston nose
Valve body is provided with cylinder interface, and described gas cylinder is connected by cylinder interface with control valve, at cylinder interface rear
Control valve body is provided with gas explosion mouthful, and the air bag of parachute is connected with gas explosion mouthful by pipeline, is provided with the cavity wall of rear chamber
Relief hole, is provided with triggering pin in relief hole, described triggering pin is connected with triggering device.
Further, described triggering device includes electromagnet, acceleration transducer, power supply, comparator, relay and prolongs
When device, described triggering Aculeata is connected with electromagnet armature, and electromagnet is connected to power supply by the normally opened contact of relay
Positive pole, coil one end of relay is connected to power cathode, and the other end is connected to the output end of comparator, and of comparator is defeated
Enter end and be connected to positive source, the output end of acceleration transducer is connected to another input of comparator by delayer.
Further, described triggering device includes needle plate, and horizontal groove is provided with the middle of the needle plate, square on groove
Into upper eaves board, groove lower eaves board formed below, upper eaves board and lower eaves board are provided with the vertical pin hole of coaxial insertion, lower eaves board bottom
It is connected with control valve body, described pin hole is just right with relief hole, triggering pin runs through upper lower pinhole, groove and relief hole；
The needle body that triggering pin is located in groove is provided with radial direction bearing pin, and bearing pin is provided with rotatable pendulum, and pendulum is located inside grooves
And the length of pendulum is more than recess width, pendulum is respectively arranged at two ends with drawstring, and drawstring is through the drawstring perforation on upper eaves board.
Further, backing plate is provided between the lower eaves board and control valve body, backing plate is two pieces, is distributed in the two of pin hole
Side, the gap between two backing plates forms bleed passage.
Further, friction sleeve is provided with the pin hole on the upper eaves board, triggering pin passes through friction sleeve, triggers the afterbody of pin
It is provided with needle stand.
Further, also including elastic clip, the drawstring at the pendulum two ends is connected with elastic clip respectively.
Further, also including pull unit, described pull unit includes pull handle, is set in described pull handle
Have two each self-corresponding perforation of drawstring, drawstring is provided with damping block through the rope body after perforation, damping block with diameter greater than wearing
Bore dia.
Beneficial effects of the present invention are：Triggering device can effectively be prevented using mode is electronically activated by increasing delayer
Only slow descending device causes the false triggering of triggering device under the accidental of short duration acceleration mode for occurring；And use the side of drawstring triggering
Formula, triggering device can only be triggered in the state of double drawstrings simultaneously stress, it is therefore prevented that it is dry that single drawstring occurs winding
Relate to the false triggering for pulling or being caused when pulling by mistake.By above-mentioned setting, the false triggering of slow descending device appearance can be effectively prevented, together
When in emergency situations, the triggering device of slow descending device can obtain quick triggering immediately again, greatly protect workmen's
Personal safety.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of first embodiment.
Accompanying drawing 2 is the enlarged drawing at B in accompanying drawing 1.
Accompanying drawing 3 is circuit theory diagrams in first embodiment.
Accompanying drawing 4 is the structural representation of second embodiment.
Accompanying drawing 5 is enlarged drawing at C in accompanying drawing 4.
Accompanying drawing 6 be accompanying drawing 5 in A-A to structure sectional view.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment to electric power provided by the present invention detection construction safety band hanger do specifically
It is bright.
Embodiment 1
As shown in Figure 1, the embodiment provide a kind of electric power detection construction safety band hanger, when using by the hanger with
Safety belt is connected as one, and hanger includes gas cylinder 1, bag container 2 and the parachute being accommodated in bag container, parachute
Corner is connected to bag container bottom, the wherein structure and existing skill of the parachute that bag container 2 and its inside are accommodated by connecting rope
Art is consistent, will not be described here.
As shown in Figure 1, also including control valve, the control valve include one sealing valve body 3, valve body in convex so as to
Valve inner forms the diameter of the diameter less than rear chamber of front cavity 4 and rear chamber 5, front and rear cavity insertion and front cavity, valve body
Piston 6 is inside provided with, the diameter of piston 6 is consistent with the internal diameter of front cavity 4, and the tailgate 7 consistent with rear chamber internal diameter is provided with piston tail end,
Support spring 8 is provided between tailgate 7 and valve body end plate, is provided with inside piston 6 along the air pressure balance duct 9 of axis insertion.
As shown in Figure 1, it is provided with cylinder interface on the control valve body of piston nose（The bottleneck of accompanying drawing mesohigh gas cylinder
Position）, the bottleneck of gas cylinder 1 is threadedly coupled with cylinder interface, gas cylinder 1 is connected as one with control valve, in gas cylinder
The control valve body at interface rear is provided with gas explosion mouthful 10, and the air bag of parachute is connected by pipeline with gas explosion mouthful, in rear chamber
Cavity wall be provided with relief hole（Pin needle point present position is triggered in accompanying drawing）, triggering pin 11 is provided with relief hole.
As shown in Figure 1, when no pressure in gas cylinder, piston 6 in the presence of support spring 8, piston tail end
Tight against on the boss of front cavity 4 Yu the junction of rear chamber 5, gas explosion mouthful 10 is blocked tailgate 7 by piston 6, and relief hole is triggered pin
11 closure, control valve forms sealing state.When to gases at high pressure are filled in gas cylinder 1, in gas cylinder and in front cavity 4
Pressure increase, due to the presence of air pressure balance duct 9, the pressure also synchronous increase therewith in rear chamber 5, front cavity 4 and rear chamber 5
Interior pressure is consistent, and the pressure is P, and piston cross-section is S1, and tailgate area is S2, and air pressure balance duct 9 is smaller due to its diameter（One
As diameter control in 1-2mm）, its sectional area ignores, then the pressure F1=P*S1 that piston nose is subject to, piston rear end tail
The pressure F2=P*S2 that plate is subject to, due to S2>S1, therefore F2>F1, piston keeps the state of stabilization, and gas explosion mouthful 10 is by the envelope of piston 6
It is stifled.Now, if triggering pin 11 is extracted by relief hole, the gases at high pressure in rear chamber 5 are released, and the pressure in rear chamber is rapid
Decline, F2 is reduced suddenly, F1 is much larger than F2, piston 6 is moved by quick promotion to the direction of rear chamber 5, and support spring is compressed, living
Fill in 6 front ends and leave gas explosion mouthful 10, gas explosion mouthful 10 is opened, the gases at high pressure in gas cylinder 1 are rapid to be produced by gas explosion mouthful 10, is led to
Crossing pipeline and rushing in the air bag of parachute causes parachute to be ejected by bag container 2 and opened, so as to play the effect of slow drop.
As shown in Figure 1, to increase sealing of the piston 6 to gas explosion mouthful 10, sealing ring 12 is provided with piston 6.
A kind of triggering device for controlling triggering pin 11 to act is provided in the present embodiment.
As shown in Figure 2, the triggering device includes electromagnet 13, and electromagnet 13 is fixed on valve body 3, triggers the end of pin 11
End is fixed with electromagnet armature 14, and when armature 14 is acted, triggering pin 11 is acted therewith, and electronics control is received in the action of electromagnet 13
Device processed 15 is controlled.
As shown in Figure 3, the circuit theory of electronic controller 15 is：It includes acceleration transducer 16, power supply 17, compares
Device 18, relay 19 and delayer 20, electromagnet 13 are connected to positive source, relay 19 by the normally opened contact of relay 19
Coil one end be connected to power cathode, the other end is connected to the output end of comparator 18, and an input of comparator 18 connects
Positive source is connected to, the output end of acceleration transducer 16 is connected to another input of comparator by delayer 20.
In foregoing circuit increase delayer 20 can effectively prevent slow descending device accidentally occur acceleration mode cause electromagnetism
Iron is acted, existing so as to cause slow descending device to be produced by mistake.After 16 output signal of acceleration transducer, detected by delayer 20 and added
Whether in persistent state, such as acceleration mode is under persistent state fast state, judges generation of falling, and control electromagnet is moved
Make, triggering pin 11 is extracted out by relief hole, slow descending device speed is quick-fried, and when acceleration mode is in non-continuous state, electromagnet is not
Action.So that parachute after falling from high altitude distance reaches 2.5 meters is opened as an example, general 2.5 meters landed apart from human body will not be to people
Body causes mortal injury, and larger danger is then had later higher than 2.5 meters.Calculated according to formula S=1/2 (gt2), S=2.5 meters, g
=9.8, t=0.714m can be calculated, therefore the time of delayer can be set as 0.7m, after acceleration sensor outputs signals,
Lasting output is then judged to that fall condition occurs in the time of 0.7m, and the accidental acceleration shape of slow descending device is then judged to less than 0.7m
State, thus can greatly reduce slow descending device and by mistake quick-fried possibility occur.In the design of foregoing circuit, delayer 20 can also be designed
It is adjustable mode, the surface of delayer carries knob, different height values is carved with delayer, during operation, with residing height
Change, knob is rotated to the scale of respective heights, when such as high-altitude highly reaches 50 meters, can control the time of delayer
It is 1m, after falling distance reaches 5 meters, parachute can just be opened, further reduces by mistake quick-fried possibility.
Embodiment 2
The present embodiment provides the triggering device of another control triggering pin action.
As shown in Figure 4, gas cylinder 1, the structure of control valve and implementation in the slow descending device that the present embodiment is provided
Consistent in example 1, difference is in the change of triggering device.
As shown in accompanying drawing 5 and accompanying drawing 6, triggering device includes needle plate 21, horizontal groove 22 is provided with the middle of needle plate, in groove 22
Top forms eaves board 23, and the lower eaves board 24 formed below of groove 22, upper eaves board 23 and lower eaves board 24 are provided with hanging down for coaxial insertion
Staight needle hole（Pin 11 through the position of upper and lower eaves board is triggered in accompanying drawing）, the lower bottom of eaves board 24 with control valve body 3 be connected, pin
Hole is just right with relief hole, and triggering pin 11 runs through upper lower pinhole, groove and relief hole.
As shown in accompanying drawing 5 and accompanying drawing 6, the needle body that triggering pin 11 is located in groove 22 is provided with radial direction bearing pin 25, bearing pin 25
Rotatable pendulum 26 is provided with, pendulum 26 is located at the inside of groove 22 and the length of pendulum 26 is more than the width of groove 22, works as pendulum
26 when rotating, by upper eaves board 23 and lower eaves board 24 limited can only in certain angular range positive and negative rotation, and can not be real
Existing 360 ° of rotations.
As shown in Figure 5, pendulum 26 is respectively arranged at two ends with drawstring 27, and drawstring 27 is through drawstring perforation on upper eaves board
28。
As shown in Figure 5, when a drawstring 27 therein is pulled, pendulum 26 is rotated, when the end of pendulum 26 is subject to upper
After the limitation of eaves board 23 or lower eaves board 24, pendulum 26 is stopped operating, and the root drawstring cannot be pulled on, and triggers pin 11 and motionless
Make, when two drawstrings 27 are pulled simultaneously, pendulum 26 is moved up, while pendulum 26 drives triggering pin 11 to move up, so that
Triggering pin 11 is extracted out by relief hole, cause the fast quick-fried of slow descending device.
As shown in accompanying drawing 5, accompanying drawing 6, to make triggering pin 11 after extraction, the gases at high pressure in rear chamber can quickly be let out
Go out, backing plate 29 be provided between lower eaves board 24 and control valve body 3, backing plate 29 is two pieces, be distributed in the both sides of pin hole, two backing plates it
Between gap formed bleed passage 30.After triggering pin and being extracted by relief hole, gases at high pressure in rear chamber are through relief hole, discouraged
Passage 30 is quickly released.
As shown in accompanying drawing 5 and accompanying drawing 6, friction sleeve 31 is provided with the pin hole on upper eaves board, triggering pin passes through friction sleeve 31, touches
The afterbody of hairpin is provided with needle stand.After setting friction sleeve 31,31 pairs of triggering pins 11 of friction sleeve form certain chucking power, when triggering pin
11 when relief hole is blocked, because the diameter for triggering pin is smaller, even if the pressure in rear chamber has numerical value higher, but effect
In the upward active force on triggering pin much smaller than the chucking power that friction sleeve is formed to triggering pin 11 such that it is able to make at triggering pin 11
In the sealed condition of stabilization.
The triggering device pulls or constructs after using double structure of tow line when a drawstring therein occurs to wind to interfere
Personnel by mistake pull when all without cause triggering pin action, it is ensured that slow descending device be not in by mistake it is quick-fried, only when double drawstrings simultaneously
After stress, can just cause the action of triggering pin, start slow descending device.
As shown in Figure 1, also including elastic clip 32, the drawstring 27 at pendulum two ends is connected with elastic clip 32 respectively.Behaviour
When making, elastic clip 32 is clipped on the fixture of high-altitude, and such as on shaft tower cross bar, when falling, two drawstrings 27 produce pulling force, should
Pulling force overcomes the elastic force of elastic clip 32 to open elastic clip 32, while while 32 elastic force of elastic clip is overcome, two drawstrings
Upward pulling force is produced to the pendulum in triggering device, pendulum is moved up, triggering pin is extracted out by relief hole, slow descending device speed
Quick-fried opening, by being come off on fixture, operating personnel slowly drop on ground elastic clip with slow descending device.
As shown in Figure 5, emergent pull unit is also add in the triggering device, the pull unit includes pull handle
33, pull handle 33 is provided with two each self-corresponding perforation of drawstring, and drawstring is provided with damping block 34 through the rope body after perforation,
Damping block 34 with diameter greater than penetration hole diameter.After above-mentioned setting, pull handle 33 cannot cross the damping block 34 on drawstring,
When pull handle 33 is pulled up, prevented by damping block 34 on two rope bodies, pull handle 33 pairs of two drawstrings apply simultaneously
Upward pulling force, causes triggering device to trigger.And in normal operating, the pulling of single drawstring has no effect on pull handle 33,
Triggering device triggering is not resulted in simultaneously yet.Can manually be pulled under emergency rating after increasing the pull handle 33
Mode starts rapidly slow descending device, reaches the purpose of the slow drop of safety.In addition, between keeping certain between perforation in pull handle
Away from, so that two drawstrings are in released state all the time in the presence of pull handle, prevent from being tangled between two drawstrings, enter one
Step reduces the possibility of false triggering.
Claims (7)
1. electric power detection construction safety is with hanger, including gas cylinder, bag container and the parachute being accommodated in bag container, drop
The fall corner of umbrella is connected to bag container bottom by connecting rope, it is characterised in that：Also include control valve, described control valve includes
The valve body of one sealing, valve body is in convex so as to form front cavity and rear chamber, front and rear cavity insertion and ante-chamber in valve inner
The diameter of body is provided with piston less than the diameter of rear chamber in valve body, piston diameter is consistent with front cavity internal diameter, is set in piston tail end
There is the tailgate consistent with rear chamber internal diameter, support spring is provided between tailgate and valve body end plate, be provided with along axis in internal piston
The air pressure balance duct of insertion；Cylinder interface is provided with the control valve body of piston nose, described gas cylinder is connect by gas cylinder
Mouthful be connected with control valve, is provided with gas explosion mouthful on the control valve body at cylinder interface rear, the air bag of parachute pass through pipeline and
Gas explosion mouthful connection, is provided with relief hole in the cavity wall of rear chamber, and triggering pin is provided with relief hole, and described triggering pin is filled with triggering
Put and be connected.
2. electric power detection construction safety according to claim 1 is with hanger, it is characterised in that：Described triggering device bag
Include electromagnet, acceleration transducer, power supply, comparator, relay and delayer, described triggering Aculeata and the rank of electromagnet
Iron is connected, and electromagnet is connected to positive source by the normally opened contact of relay, and coil one end of relay is connected to power supply and bears
Pole, the other end is connected to the output end of comparator, and an input of comparator is connected to positive source, acceleration transducer
Output end is connected to another input of comparator by delayer.
3. electric power detection construction safety according to claim 1 is with hanger, it is characterised in that：Described triggering device bag
Needle plate is included, horizontal groove is provided with the middle of the needle plate, eaves board, groove lower eaves board formed below, upper eaves are formed above groove
Plate and lower eaves board are provided with the vertical pin hole of coaxial insertion, and lower eaves board bottom is connected with control valve body, described pin hole
Just right with relief hole, triggering pin runs through upper lower pinhole, groove and relief hole；The needle body that triggering pin is located in groove is provided with radially
Bearing pin, bearing pin is provided with rotatable pendulum, and pendulum is located inside grooves and the length of pendulum is more than recess width, the two of pendulum
End is respectively equipped with drawstring, and drawstring is perforated through the drawstring on upper eaves board.
4. electric power detection construction safety according to claim 3 is with hanger, it is characterised in that：The lower eaves board and control
Backing plate is provided between valve body, backing plate is two pieces, is distributed in the both sides of pin hole, and the gap between two backing plates forms bleed passage.
5. electric power detection construction safety according to claim 3 is with hanger, it is characterised in that：Pin on the upper eaves board
Friction sleeve is provided with hole, triggering pin passes through friction sleeve, and the afterbody for triggering pin is provided with needle stand.
6. electric power detection construction safety according to claim 3 is with hanger, it is characterised in that：Also include elastic clip, institute
The drawstring for stating pendulum two ends is connected with elastic clip respectively.
7. electric power detection construction safety according to claim 3 is with hanger, it is characterised in that：Also include pull unit,
Described pull unit includes pull handle, and described pull handle is provided with two each self-corresponding perforation of drawstring, and drawstring is worn
The rope body crossed after perforation is provided with damping block, damping block with diameter greater than penetration hole diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611178241.0A CN106693220B (en) | 2016-12-19 | 2016-12-19 | Electric power detects construction safety band hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611178241.0A CN106693220B (en) | 2016-12-19 | 2016-12-19 | Electric power detects construction safety band hanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106693220A true CN106693220A (en) | 2017-05-24 |
| CN106693220B CN106693220B (en) | 2019-09-17 |
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ID=58938337
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611178241.0A Expired - Fee Related CN106693220B (en) | 2016-12-19 | 2016-12-19 | Electric power detects construction safety band hanger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502194A (en) * | 2018-04-18 | 2018-09-07 | 佛山论剑科技有限公司 | A kind of anti-aircraft bombing device of unmanned plane |
| CN109580153A (en) * | 2018-11-26 | 2019-04-05 | 南安初盼商贸有限公司 | A kind of device using gas extrusion detection seat belt hanger |
| CN109568824A (en) * | 2018-12-04 | 2019-04-05 | 吴燕青 | A kind of high altitude operation cylindrical object climbing band protection air-cushion device |
| CN113086907A (en) * | 2021-04-01 | 2021-07-09 | 河南金冠宇电力工程有限公司 | High-altitude operation protection system and high-altitude operation vehicle applying same |
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| CN204592331U (en) * | 2015-03-19 | 2015-08-26 | 南京消防器材股份有限公司 | A kind of air cylinder bottle valve |
| CN105536157A (en) * | 2016-01-30 | 2016-05-04 | 国网山东省电力公司桓台县供电公司 | Falling prevention quick-opening and slow-descending device and falling prevention quick-opening and slow-descending method for climbing pole tower in power system |
| CN205578807U (en) * | 2016-05-06 | 2016-09-14 | 爱德利康（北京）科技有限公司 | Combined pressure reducing valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108502194A (en) * | 2018-04-18 | 2018-09-07 | 佛山论剑科技有限公司 | A kind of anti-aircraft bombing device of unmanned plane |
| CN109580153A (en) * | 2018-11-26 | 2019-04-05 | 南安初盼商贸有限公司 | A kind of device using gas extrusion detection seat belt hanger |
| CN109568824A (en) * | 2018-12-04 | 2019-04-05 | 吴燕青 | A kind of high altitude operation cylindrical object climbing band protection air-cushion device |
| CN113086907A (en) * | 2021-04-01 | 2021-07-09 | 河南金冠宇电力工程有限公司 | High-altitude operation protection system and high-altitude operation vehicle applying same |
| CN113086907B (en) * | 2021-04-01 | 2021-12-14 | 河南金冠宇电力工程有限公司 | High-altitude operation protection system and high-altitude operation vehicle applying same |
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| CN106693220B (en) | 2019-09-17 |
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Granted publication date: 20190917 Termination date: 20211219 |