CN103656882A - Shared type speed-adjustable descent control device - Google Patents
Shared type speed-adjustable descent control device Download PDFInfo
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- CN103656882A CN103656882A CN201310705106.7A CN201310705106A CN103656882A CN 103656882 A CN103656882 A CN 103656882A CN 201310705106 A CN201310705106 A CN 201310705106A CN 103656882 A CN103656882 A CN 103656882A
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Abstract
The invention provides a shared type speed-adjustable descent control device which is simple in structure and practical. The descent control device comprises a chain, a support, a crankshaft, a gear, a connecting rod and a cylinder body provided with a piston. A piston rod of the piston penetrates through the end wall at one end of the cylinder body. The piston rod and the end wall of the cylinder body are in movable seal. The piston divides the inside of the cylinder body into a first cavity and a second cavity. The crankshaft and the cylinder body are both installed on the support. The gear is fixedly installed at one end of the crankshaft. The support is provided with a chain frame, wherein the chain penetrates through the chain frame, and the gear is meshed with the chain. The small end of the connecting rod is connected with the piston rod of the piston through a piston pin. The big end of the connecting rod is connected with a rod journal of the crankshaft through a connecting rod bearing. The cylinder body is provided with a pipeline communicated with the first cavity and the second cavity. A valve is installed on the pipeline. The shared type speed-adjustable descent control device is simple in structure; compared with a traditional descent control device according to the gear principle, the shared type speed-adjustable descent control device is more durable and reliable; moreover, the slow descending speed is adjustable, multiple users can use the same chain, and use is quite convenient.
Description
Technical field
The invention belongs to lifesaving apparatus technical field, specially refer to a kind of common type adjustable speed descending lifeline.
Background technology
Descending lifeline is the device for height airborne fortune article or personnel, can be for lifesaving, and for example, while saying high-rise building with fire disaster, people can utilize descending lifeline to drop to voluntarily ground.Traditional descending lifeline is to utilize the principle of clock and watch walking to make, its inner utilization gear is realized slow falling, but the decrease speed of this kind of descending lifeline is difficult to control, and gear is after long storage time, easily, because corrosion etc. are former thereby work is not good, affect the normal use of descending lifeline.
Summary of the invention
The object of the invention is to propose a kind of simple in structure, practical common type adjustable speed descending lifeline.
Common type adjustable speed descending lifeline of the present invention comprises chain, support, bent axle, gear, connecting rod and the cylinder body that piston is housed, the piston rod of described piston is through one end end wall of cylinder body, between described piston rod and the end wall of cylinder body, be movable sealing, described piston is separated into the first cavity and the second cavity by cylinder interior; Described bent axle and cylinder body are all installed on support, and gear is fixedly mounted on one end of bent axle; Described support is provided with the chain frame passing for chain, described gear and chain engagement; The little head end of described connecting rod is connected with the piston rod of piston by piston pin, and the stub end of connecting rod is connected with the rod journal of bent axle by the connecting-rod bearing; Described cylinder body is provided with the pipeline that is communicated with the first cavity and the second cavity, and described pipeline is provided with valve.
In use, first the free end of chain is fixed on skyscraper, then by the binding of user and support, when user falls from eminence, chain will driven gear and bent axle rotate, and bent axle can drive piston to move reciprocatingly by connecting rod while rotating.Chain frame can guarantee that chain is meshed with gear all the time.Owing to being all closed with certain gas in the first cavity of cylinder body and the second cavity, when moving reciprocatingly, piston will periodically compress the gas of the first cavity and the second cavity, in this process, must overcome the resistance of gas, therefore can hinder piston moves back and forth rapidly, also just hindered bent axle quick rotation, thereby reduced the decrease speed of support, realized slow object of falling.Because the confining gas in the first cavity and the second cavity is more, can provide larger resistance for bent axle.
In addition, by valve, can change the gas communication speed between the first cavity and the second cavity, will inevitably change like this resistance of cylinder body inner sealing gas to reciprocating motion of the pistons, change the decrease speed of support, so just realize the object that regulates decrease speed.
When previous user and with the support safe falling of its binding behind ground, next user can be stuck in chain in the chain frame of own descending lifeline, and without fixing in addition other chain, so just realized the object that a plurality of users share same chain, saved chain, under the emergency situations such as breaking out of fire, can race against time for escape unharmed.
Further, described chain frame is provided with dodge gate, and described dodge gate is provided with bolt mechanism, opens bolt mechanism, dodge gate can be opened, thereby chain is snapped in chain frame, and then close dodge gate, and locking latch, avoids chain to deviate from chain frame.By design activity door, can easily chain be snapped in to chain frame or take out from chain frame.
Further, in described the first cavity and the second cavity, be filled with liquid, because the compressibility of liquid is weaker than gas far away, therefore can be for bent axle provides larger resistance, thus the low speed of realizing descending lifeline declines.
Further, the cylinder wall of described cylinder body is provided with guide frame, and described chain through described guide frame, can lead to chain like this, reduces the shaking degree of decline process medium-height trestle, and can reduce chain and be wrapped in the possibility on support.
Further, described support is provided with hook, so that the binding of user and support.
Further, the cylinder wall of described cylinder body is provided with fin, when as early as possible by reciprocating motion of the pistons and the dissipation of heat that produced of cylinder body casing wall friction fall, thereby guarantee the sealing property between piston and cylinder body casing wall, the reliability of raising descending lifeline.
Common type adjustable speed descending lifeline of the present invention is simple in structure, more durable and reliable with respect to the descending lifeline of traditional gear principle, and slow reduction of speed degree is adjustable, and a plurality of users share same chain, very easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of common type adjustable speed descending lifeline of the present invention.
The specific embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and operation principle etc.
Embodiment 1:
As shown in Figure 1, the common type adjustable speed descending lifeline of the present embodiment comprises support 1, bent axle 2, connecting rod 3, the cylinder body 5 that piston 4 is housed and gear 6, chain 7, the piston rod of described piston 4 is through one end end wall of cylinder body 5, between the end wall of described piston rod and cylinder body 5, be movable sealing, described piston 4 becomes the first cavity 51 and the second cavity 52 by cylinder body 5 interior separations; Described bent axle 2, cylinder body 5 are all installed on support 1, and described gear 6 is fixedly mounted on one end of bent axle 2, so that gear 6 is synchronizeed rotation with bent axle 2; Described support 1 is provided with the chain frame 8 passing for chain 7, described gear 6 and chain 7 engagements; The little head end of described connecting rod 3 is connected with the piston rod of piston 4 by piston pin 9, and the stub end of connecting rod 3 is connected with the rod journal of bent axle 2 by the connecting-rod bearing 10; Described cylinder body 5 is provided with the pipeline 11 that is communicated with the first cavity 51 and the second cavity 52, and described pipeline 11 is provided with valve 12.
Chain frame 8 is provided with dodge gate 81, and described dodge gate 81 is provided with bolt mechanism 82, opens bolt mechanism 82, dodge gate 81 can be opened, thereby chain 7 is snapped in chain frame 8, and then close dodge gate 81, and locking latch, avoids chain 7 to deviate from chain frame 8.By design activity door 81, can easily chain 7 be snapped in to chain frame 8 or take out from chain frame 8.
In the first cavity 51 and the second cavity 52, be filled with liquid, because the compressibility of liquid is weaker than gas far away, therefore can be for bent axle 2 provides larger resistance, thus the low speed of realizing descending lifeline declines.
The cylinder wall of cylinder body 5 is provided with guide frame 13, and described chain 7, through described guide frame 13, can lead to chain 7 like this, reduces the shaking degree of decline process medium-height trestle 1, and can reduce chain 7 and be wrapped in the possibility on support 1.
The bottom of support 1 is provided with hook 14, so that the binding of user and support 1.
The cylinder wall of cylinder body 5 is provided with fin (not drawing in the drawings fin), fall with the cylinder body 5 casing walls dissipation of heat being produced that rubs when as early as possible piston 4 being moved back and forth, thereby guarantee the sealing property between piston 4 and cylinder body 5 casing walls, improve the reliability of descending lifeline.
In use, first the free end of chain 7 is fixed on skyscraper, then by user and support 1 binding, when user falls from eminence, chain 7 will driven gear 6 and bent axle 2 rotate, and bent axle 2 can drive pistons 4 move reciprocatingly by connecting rod 3 while rotating.Chain frame 8 can guarantee that chain 7 is meshed with gear 6 all the time.Due to the first cavity 51 of cylinder body 5 with the second cavity 52 is interior is all closed with certain gas, when moving reciprocatingly, piston 4 will periodically compress the gas of the first cavity 51 and the second cavity 52, in this process, must overcome the resistance of gas, therefore can hinder piston 4 moves back and forth rapidly, also bent axle 2 quick rotation have just been hindered, thereby reduced the decrease speed of support 1, realized slow object of falling.Because the confining gas in the first cavity 51 and the second cavity 52 is more, can provide larger resistance for bent axle 2.
In addition, by valve 12, can change the gas communication speed between the first cavity 51 and the second cavity 52, will inevitably change like this cylinder body 5 inner sealing gases to the reciprocating resistance of piston 4, change the decrease speed of support 1, so just realize the object that regulates decrease speed.
When previous user and with support 1 safe falling of its binding behind ground, open the dodge gate 81 of chain frame 8, chain 7 is taken out from chain frame 8, then next user can open the dodge gate 81 of the chain frame 8 of own descending lifeline, chain 7 is stuck in chain frame 8, and lock dodge gates 81 with bolt mechanism 82, so just realized the object that a plurality of users share same chain 7, saved chain 7, under the emergency situations such as breaking out of fire, can race against time for escape unharmed.
If user's body weight is lighter, the situation that the body weight that may occur user cannot drive the bent axle 2 of descending lifeline to rotate, as long as now open valve 12, makes the liquid communication between the first cavity 51 and the second cavity 52 smooth and easy, can normally use.
Claims (6)
1. a common type adjustable speed descending lifeline, it is characterized in that comprising chain, support, bent axle, gear, connecting rod and the cylinder body that piston is housed, the piston rod of described piston is through one end end wall of cylinder body, between described piston rod and the end wall of cylinder body, be movable sealing, described piston is separated into the first cavity and the second cavity by cylinder interior; Described bent axle and cylinder body are all installed on support, and gear is fixedly mounted on one end of bent axle; Described support is provided with the chain frame passing for chain, described gear and chain engagement; The little head end of described connecting rod is connected with the piston rod of piston by piston pin, and the stub end of connecting rod is connected with the rod journal of bent axle by the connecting-rod bearing; Described cylinder body is provided with the pipeline that is communicated with the first cavity and the second cavity, and described pipeline is provided with valve.
2. common type adjustable speed descending lifeline according to claim 1, is characterized in that described chain frame is provided with dodge gate, and described dodge gate is provided with bolt mechanism.
3. common type adjustable speed descending lifeline according to claim 2, is characterized in that being filled with liquid in described the first cavity and the second cavity.
4. according to the common type adjustable speed descending lifeline described in claim 1 or 2 or 3, it is characterized in that the cylinder wall of described cylinder body is provided with guide frame, described chain is through described guide frame.
5. common type adjustable speed descending lifeline according to claim 4, is characterized in that the cylinder wall of described cylinder body is provided with fin.
6. common type adjustable speed descending lifeline according to claim 4, is characterized in that described support is provided with hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705106.7A CN103656882A (en) | 2013-12-20 | 2013-12-20 | Shared type speed-adjustable descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705106.7A CN103656882A (en) | 2013-12-20 | 2013-12-20 | Shared type speed-adjustable descent control device |
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| Publication Number | Publication Date |
|---|---|
| CN103656882A true CN103656882A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310705106.7A Pending CN103656882A (en) | 2013-12-20 | 2013-12-20 | Shared type speed-adjustable descent control device |
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| CN (1) | CN103656882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283764A (en) * | 2018-04-02 | 2018-07-17 | 彭方 | Ring building rescue run device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11267230A (en) * | 1998-03-23 | 1999-10-05 | Yoshiharu Takayanagi | Slow descender for escape |
| CN2514855Y (en) * | 2001-08-31 | 2002-10-09 | 周家仁 | Many-storied building lifesaving device capable of repeating use for many people |
| CN2863172Y (en) * | 2005-11-25 | 2007-01-31 | 杨光 | Slow descending installation of slow descending life saving device at high altitude |
| CN102008790A (en) * | 2010-12-05 | 2011-04-13 | 欧剑波 | Hydraulic damping high-rise escape descent control device |
| CN102008789A (en) * | 2010-04-24 | 2011-04-13 | 何少敦 | Air landing device |
| CN103041518A (en) * | 2013-01-18 | 2013-04-17 | 陈喆 | Safe escaper for high building |
| CN203750033U (en) * | 2013-12-20 | 2014-08-06 | 陈洪灿 | Shared speed-adjustable descent control device |
-
2013
- 2013-12-20 CN CN201310705106.7A patent/CN103656882A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11267230A (en) * | 1998-03-23 | 1999-10-05 | Yoshiharu Takayanagi | Slow descender for escape |
| CN2514855Y (en) * | 2001-08-31 | 2002-10-09 | 周家仁 | Many-storied building lifesaving device capable of repeating use for many people |
| CN2863172Y (en) * | 2005-11-25 | 2007-01-31 | 杨光 | Slow descending installation of slow descending life saving device at high altitude |
| CN102008789A (en) * | 2010-04-24 | 2011-04-13 | 何少敦 | Air landing device |
| CN102008790A (en) * | 2010-12-05 | 2011-04-13 | 欧剑波 | Hydraulic damping high-rise escape descent control device |
| CN103041518A (en) * | 2013-01-18 | 2013-04-17 | 陈喆 | Safe escaper for high building |
| CN203750033U (en) * | 2013-12-20 | 2014-08-06 | 陈洪灿 | Shared speed-adjustable descent control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283764A (en) * | 2018-04-02 | 2018-07-17 | 彭方 | Ring building rescue run device |
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Application publication date: 20140326 |