CN207986556U - A kind of descending lifeline - Google Patents
A kind of descending lifeline Download PDFInfo
- Publication number
- CN207986556U CN207986556U CN201721908437.0U CN201721908437U CN207986556U CN 207986556 U CN207986556 U CN 207986556U CN 201721908437 U CN201721908437 U CN 201721908437U CN 207986556 U CN207986556 U CN 207986556U
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- CN
- China
- Prior art keywords
- oil pump
- hydraulic oil
- hoist engine
- fuel tank
- descending lifeline
- 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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Abstract
The utility model provides a kind of descending lifeline, including hoist engine, hydraulic oil pump and circulating oil path device, the elevator arbor both ends of the hoist engine are in mating connection with the hoist engine support of bearing respectively, the outlet end of two steel wire ropes on hoist engine is connected with A hooks, one end of elevator arbor passes through the corresponding hoist engine support of bearing, and winding gear is installed on it, the winding gear and reduction gearing, reduction gearing is intermeshed setting two-by-two with hydraulic oil pump gear, reduction gearing one end is installed by one limiter of speed, the circulating oil path device includes oil cylinder, fuel tank, check valve and pressure limiting valve, the hydraulic oil pump, check valve, oil cylinder passes sequentially through oil pipe with fuel tank and is connected, hydraulic oil pump, check valve, oil cylinder, a circulating oil path is collectively formed in pressure limiting valve and fuel tank.The utility model has the beneficial effects that descending speed can be manually controlled, not by external influences, at the same can automatic uniform speed decline, can be used for the escape of personnel's tall-building fire fighting, when mountain-climbing is speedily carried out rescue work.
Description
Technical field
The utility model belongs to descending lifeline equipment technical field, more particularly, to a kind of descending lifeline.
Background technology
Currently known descending lifeline has several kinds, and some reaches slow drop according to centrifugal force brake, some The gear decelerations into
The slow drop of row, the above descending lifeline defect be, cannot be by reduction of speed under manual control when centrifugal force brake and the slow drop of The gear deceleration
Degree.In addition, people's varies in weight, descending speed can be made different, and encounter fire sprinkler or encounter greasy dirt and can make brake block
Skidding and rope slipping, cause decrease speed to be unable to control.
A kind of descending lifeline has filled up drawbacks described above, can be used for the escape of personnel's tall-building fire fighting, and mountain-climbing uses when speedily carrying out rescue work.This slow drop
Device ordinary person, which does not need professional training, can arbitrarily carry out slow drop.
Utility model content
The purpose of this utility model be to provide it is a kind of can manually control descending speed, not by external influences, while can
The lifesaving hydraulic descent control device that automatic uniform speed declines can be used for the escape of personnel's tall-building fire fighting, mountain-climbing when speedily carrying out rescue work.
The technical solution of the utility model is：A kind of descending lifeline, including hoist engine, hydraulic oil pump and circulating oil path device,
The elevator arbor both ends of the hoist engine are in mating connection with the hoist engine support of bearing respectively, the elevator machine bearing described in two
Holder outer end is each attached on shell, and the outlet end of the steel wire rope on hoist engine is connected with A hooks, one end of elevator arbor
Across the corresponding hoist engine support of bearing, and winding gear is installed on it, the winding gear and deceleration
Gear, reduction gearing and hydraulic oil pump gear are intermeshed setting two-by-two, and a limiter of speed is installed in reduction gearing one end, described
Hydraulic oil pump gear is connected with the line shaft of hydraulic oil pump；
The circulating oil path device includes oil cylinder, fuel tank, check valve and pressure limiting valve, the hydraulic oil pump, check valve,
Oil cylinder passes sequentially through oil pipe with fuel tank and is connected, and the delivery outlet of the hydraulic oil pump is connected with the oil inlet of check valve, single
The import of delivery outlet and oil cylinder to valve is connected, and the outlet of the oil cylinder is connected with the import of pressure limiting valve, the outlet of pressure limiting valve
It is connected with fuel tank one end button, the other end button of fuel tank is connected with hydraulic oil pump oil-in, hydraulic oil pump, check valve, oil cylinder, pressure limiting
A circulating oil path is collectively formed in valve and fuel tank.
Preferably, the hydraulic oil pump is gear oil pump or pillar oil pump.
Preferably, the reduction gearing, hydraulic oil pump gear pass through reduction gearing holder, hydraulic oil pump gear branch respectively
Frame is fixed on the shell.
Preferably, two outer end of shell is respectively equipped with fixed screw holes.
Preferably, graduation apparatus is arranged according to adjustment oil pump capacity size in the pressure limiting valve, and decline per second is arranged in graduation apparatus
Distance, meter per second.
Preferably, the oil cylinder, fuel tank are arranged inside the housing.
Preferably, an oil filler is set above the oil cylinder.
Preferably, according to car belt operation principle, a limiter of speed is installed in reduction gearing one end, when descending lifeline declines
When speed is more than the decrease speed of design, the centrifugation tooth on limiter of speed blocks reduction gearing, and elevator arbor stops operating, descending lifeline
Stop declining.
The utility model has the advantages and positive effects of：Due to the adoption of the above technical scheme, the lifesaving hydraulic descent control device leads to
It crosses hoist engine to be combined with hydraulic oil pump, drives hoist engine to rotate using the gravity of object, hoist engine is driven to work to hydraulic oil pump,
Hydraulic oil pump, due to the size of pressure limiting valve regulation oil pump capacity, causes oil cylinder working-pressure either large or small, works as pressure limiting valve during pump oil
When oil pump capacity is big, hydraulic oil pump rotating speed becomes faster, and when pressure limiting valve oil pump capacity is small, hydraulic oil pump pump oil is turned by resistance, hydraulic oil pump
Speed is slack-off, and the resistance that hoist engine rotate by hydraulic oil pump slow rotation therewith, makes object uniform descent, closing pressure limiting valve,
Hydraulic oil pump stops operating, and descending lifeline stops declining, moreover, the utility model descending lifeline is not sprayed by fire water, greasy dirt etc. is outer
It is influenced in factor.
Description of the drawings
Fig. 1 is a kind of slow drop schematic diagram of fixed lifesaving hydraulic descent control device.
Fig. 2 is a kind of slow drop schematic diagram of portable lifesaving hydraulic descent control device.
In figure：
1, hoist engine 2, the hoist engine support of bearing 3, elevator arbor
4, hydraulic oil pump 5, oil pipe 6, check valve
7, pressure limiting valve 8, steel wire rope 9, A hooks
10, B hooks 11, weight 12, oil cylinder
13, fuel tank 14, hydraulic oil 15, fixed screw holes
16, reduction gearing 17, shell 18, winding gear
19, delay drop personnel 20, hydraulic oil pump gear 21, limiter of speed
22, oil filler 23, reduction gearing holder 24, hydraulic oil pump gear stand
Specific implementation mode
Embodiment 1
A kind of descending lifeline, including hoist engine 1, hydraulic oil pump 4 and circulating oil path device, the hoist engine of the hoist engine 1
3 both ends of axis are in mating connection with the hoist engine support of bearing 2 respectively, and 2 outer end of the hoist engine support of bearing described in two is each attached to
On shell 17, the outlet end of the steel wire rope 8 on hoist engine 1 is connected with A hooks 9, and one end of elevator arbor 3 is across right therewith
The hoist engine support of bearing 2 answered, and winding gear 18 is installed on it, the winding gear 18 and reduction gearing
16, reduction gearing 16 is intermeshed setting two-by-two with hydraulic oil pump gear 20, and a limiter of speed 21 is installed in 16 one end of reduction gearing,
The hydraulic oil pump gear 20 is connected with the line shaft of hydraulic oil pump 4；
The circulating oil path device includes oil cylinder 12, fuel tank 13, check valve 6 and pressure limiting valve 7, the hydraulic oil pump 4,
Check valve 6, oil cylinder 12 and fuel tank 13 pass sequentially through oil pipe 5 and are connected, delivery outlet and the check valve 6 of the hydraulic oil pump 4
Oil inlet be connected, the delivery outlet of check valve 6 is connected with the import of oil cylinder 12, the outlet of the oil cylinder 12 and pressure limiting valve 7
Import is connected, and the outlet of pressure limiting valve 7 is connected with 13 one end of fuel tank button, other end button and the 4 oil inlet phase of hydraulic oil pump of fuel tank 13
Even, a circulating oil path is collectively formed in hydraulic oil pump 4, check valve 6, oil cylinder 12, pressure limiting valve 7 and fuel tank 13.
In the present embodiment, the hydraulic oil pump 4 is gear oil pump or pillar oil pump.
In the present embodiment, the reduction gearing 16, hydraulic oil pump gear 20 pass through reduction gearing holder, hydraulic oil respectively
Pump tooth wheel support 24 is fixed on the shell.
In the present embodiment, described 17 liang of outer ends of shell are respectively equipped with fixed screw holes 15.
In the present embodiment, according to adjustment oil pump capacity size graduation apparatus is arranged, under graduation apparatus setting is per second in the pressure limiting valve
The distance of drop, meter per second.
In the present embodiment, the oil cylinder 12, fuel tank 13 are arranged inside shell 17.
In the present embodiment, an oil filler 22 is arranged in 12 top of oil cylinder.
In the present embodiment, according to car belt operation principle, a limiter of speed 21 is installed in 16 one end of reduction gearing, when slow
When dropping decrease speed of the device decrease speed more than design, the centrifugation tooth on limiter of speed 21 blocks reduction gearing 16, and elevator arbor 3 stops
Rotation stop is dynamic, and descending lifeline stops declining.
Installation process：The 17 both sides fixed screw holes 15 of shell of descending lifeline are mounted to a wall, close pressure limiting valve 7, installation
It finishes.
When slow drop, when A hooks 9 hang up weight 11 or slow drop personnel 19, hoist engine 1 starts to rotate, winding gear 18
Transmitting hydraulic oil pump gear 20 drives hydraulic oil pump 4 to 12 pump oil of oil cylinder, when pressure limiting valve 7 is closed, 12 note of oil cylinder
Full hydraulic oil 14, pressure increase, and oil pump 4 is made to stop pump oil, and oil pump gear 20 stops operating, and the transmission of hydraulic oil pump gear 20 is to volume
Machine gear 18 is raised, prevents hoist engine 1 from rotating, weight 11, which is hung over, cannot vacantly move down；
When opening pressure limiting valve 7, for example it is set as 0.5 meter per second of scale, 12 pressure of oil cylinder reduces at this time, and oil pump 4 starts to pump
Oil, oil circuit 5 form a circuit by 7 → fuel tank of fuel tank 13 → hydraulic oil pump, 4 → check valve, 6 → oil cylinder, 12 → pressure limiting valve 13,
Since 7 oil pump capacity of pressure limiting valve is smaller, (oil cylinder working-pressure becomes larger) hydraulic oil pump 4 is rotated by resistance, 4 slow rotation of hydraulic oil pump,
It is driven again and gives hoist engine 1 slow rotation, weight 11, which enters, delays drop state.Descending lifeline is with 0.5 meter per second uniform descent.
Pressure limiting valve 7 is closed, 12 pressure of oil cylinder increases, and oil pump 4 stops pump oil, and hoist engine 1 stops operating, under weight 11 stops
Drop.
Embodiment 2
A kind of descending lifeline, as shown in Figure 2, the lifesaving hydraulic descent control device are portable, and the hydraulic bjuffer is different from reality
It is that A hooks 9 are hung on wall body fixing device to apply example 1, and B hooks 10, which are fixed, delays drop personnel 19, and entire lifesaving hydraulic descent control device is in company with slow
Drop personnel 19 decline together, and slow drop personnel 19 manually control pressure limiting valve 7, when pressure limiting valve 7, descending lifeline is turned off manually in slow drop personnel 19
Gentle drop personnel 19 are in stopping decline state.
When slow drop, delays drop personnel 19 and open pressure limiting valve 7 manually, for example open pressure limiting valve 7 and be set as 0.5 meter per second of scale, oil
Road 5 forms a circuit, hoist engine by 7 → fuel tank of fuel tank 13 → hydraulic oil pump, 4 → check valve, 6 → oil cylinder, 12 → pressure limiting valve 13
1 under human bady gravitational effect, drives hydraulic oil pump 4 to rotate, and since setting 7 oil pump capacity of pressure limiting valve is smaller, 12 pressure of oil cylinder increases,
Hydraulic oil pump 4 is rotated by resistance, makes 4 slow rotation of hydraulic oil pump, then be driven and give hoist engine 1 slow rotation, delays drop personnel 19
Into slow drop state.Descending lifeline is with 0.5 meter per second uniform descent.
Embodiment 3
When descending lifeline decrease speed is too fast or decrease speed is more than design maximum speed, according to car belt work
Make principle, the centrifugation gear on limiter of speed 21 blocks fixed tooth, and elevator arbor 3 stops operating, and descending lifeline stops declining.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (7)
1. a kind of descending lifeline, it is characterised in that：Including hoist engine, hydraulic oil pump and circulating oil path device, the hoist engine
Elevator arbor both ends are in mating connection with the hoist engine support of bearing respectively, and the hoist engine support of bearing outer end described in two is fixed
On the shell, the outlet end of the steel wire rope on hoist engine is connected with A hooks, and one end of elevator arbor is across corresponding
The hoist engine support of bearing, and be equipped with winding gear on it, the winding gear and reduction gearing, reduction gearing with
Hydraulic oil pump gear is intermeshed setting two-by-two, and a limiter of speed is installed in reduction gearing one end, the hydraulic oil pump gear with
The line shaft of hydraulic oil pump is connected, and the circulating oil path device includes oil cylinder, fuel tank, check valve and pressure limiting valve, the liquid
Pressure oil pump, check valve, oil cylinder and fuel tank pass sequentially through oil pipe and are connected, the delivery outlet of the hydraulic oil pump and check valve into
Hydraulic fluid port is connected, and the delivery outlet of check valve is connected with the import of oil cylinder, and the outlet of the oil cylinder is connected with the import of pressure limiting valve, limit
The outlet of pressure valve and fuel tank one end button are connected, and the other end button of fuel tank is connected with hydraulic oil pump oil-in, hydraulic oil pump, unidirectionally
A circulating oil path is collectively formed in valve, oil cylinder, pressure limiting valve and fuel tank.
2. a kind of descending lifeline according to claim 1, it is characterised in that：The hydraulic oil pump is gear oil pump or pillar
Oil pump.
3. a kind of descending lifeline according to claim 1, it is characterised in that：The reduction gearing, hydraulic oil pump gear point
It is not fixed on the shell by reduction gearing holder, hydraulic oil pump gear stand.
4. a kind of descending lifeline according to claim 1, it is characterised in that：Two outer end of shell is respectively equipped with fixed spiral shell
Wire hole.
5. a kind of descending lifeline according to claim 1, it is characterised in that：The pressure limiting valve is big according to adjustment oil pump capacity
It is small, graduation apparatus is set, and the distance of decline per second, meter per second is arranged in graduation apparatus.
6. a kind of descending lifeline according to claim 1, it is characterised in that：The oil cylinder, fuel tank setting are inside the housing.
7. a kind of descending lifeline according to claim 1, it is characterised in that：One oil filler is set above the oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908437.0U CN207986556U (en) | 2017-12-29 | 2017-12-29 | A kind of descending lifeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908437.0U CN207986556U (en) | 2017-12-29 | 2017-12-29 | A kind of descending lifeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207986556U true CN207986556U (en) | 2018-10-19 |
Family
ID=63818483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721908437.0U Expired - Fee Related CN207986556U (en) | 2017-12-29 | 2017-12-29 | A kind of descending lifeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207986556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108147299A (en) * | 2017-12-29 | 2018-06-12 | 应小平 | A kind of descending lifeline |
-
2017
- 2017-12-29 CN CN201721908437.0U patent/CN207986556U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108147299A (en) * | 2017-12-29 | 2018-06-12 | 应小平 | A kind of descending lifeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20191229 |