CN2566880Y - Reciprocating slowly drop-down apparatus - Google Patents
Reciprocating slowly drop-down apparatus Download PDFInfo
- Publication number
- CN2566880Y CN2566880Y CN 02251039 CN02251039U CN2566880Y CN 2566880 Y CN2566880 Y CN 2566880Y CN 02251039 CN02251039 CN 02251039 CN 02251039 U CN02251039 U CN 02251039U CN 2566880 Y CN2566880 Y CN 2566880Y
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- CN
- China
- Prior art keywords
- gear
- change gear
- housing
- control device
- driving wheel
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a reciprocating slow dropping device which relates to a device for people in a high building to escape in an emergency. The utility model comprises a hanging wheel (1) used for winding a rope, a speed change device which is driven to transmit by the hanging wheel (1), a drive wheel (2) which rotates following the speed change device, a casing (3) and a centrifugal block (4) which rotates along with the drive wheel (2), wherein, the centrifugal block (4) and the drive wheel (2) form outward sliding fit in the circumference direction; the circular arc-shaped outer side surface (4-1) of the centrifugal block (4) which rotates is tightly contacted with the inner cylindrical surface (3-1) of the casing (3). The hanging wheel (1) is arranged in the middle position of the casing (3), and the drive wheel (2) and the speed change device are respectively arranged on the left and the right sides of the hanging wheel (1). A rope outlet (3-2) on the casing (3) is arranged just under the hanging wheel (1); accordingly, the utility model does not have the problem of gravity centre deflection. The reciprocating slow dropping device has the advantages of simple structure, low cost, reliable motion, difficult abrasion and long service life.
Description
Technical field: the utility model relates to personnel on a kind of skyscraper and in case of emergency is used to the device of escaping.
Background technology: occurred the descending lifeline of multiple structure in recent years, but the ubiquity center of gravity is partially in a side, the problem of serious wear during work.ZL95244667 has announced a kind of " emergency escape descending lifeline ", and there is the shortcoming of complex structure, production cost height, reliable in action difference in it.
The utility model content: the utility model provides a kind of reciprocating descent control device, and it has solved complex structure, production cost height, reliable in action difference and center of gravity that existing like product exists partially in the problem of a side.Reciprocating descent control device of the present utility model includes the change gear 1 that is used for wiring, drive the speed change gear of underdrive, driving wheel 2 that the covariant quick-mounting is put rotation, housing 3 at change gear 1, together rotate with driving wheel 2 centrifugal 4, form cooperating of outside circumferencial direction slip form with driving wheel 2 for centrifugal 4, the lateral surface 4-1 of centrifugal 4 circular arc of rotation closely contacts with the inner cylinder face 3-1 of housing 3.Because square being directly proportional of centrifugal 4 centrifugal force and its rotating speed, when change gear 1 rotating speed increases, centrifugal 4 centrifugal force that produces increases, the pressure of centrifugal thereupon 4 couples housing 3 inner cylinder face 3-1 is just big more, frictional resistance between centrifugal 4 of while and the housing 3 is also big more, thereby can reduce the rotating speed of change gear 1, and then reduce the gliding speed of rope.The change gear 1 of this reciprocating descent control device is arranged on the centre position of housing 3, and driving wheel 2 and speed change gear lay respectively at the left and right sides of change gear 1, the rope outlet 3-2 on the housing 3 be positioned at change gear 1 under, so there is not the problem of centre-of gravity shift in it.That this reciprocating descent control device has is simple in structure, production cost is low, the advantage of reliable in action, not easy to wear, long service life.
Description of drawings: Fig. 1 is a structural representation of the present utility model, and Fig. 2 is the C-C cutaway view of Fig. 1, and Fig. 3 is the B-B cutaway view of Fig. 1, and Fig. 4 is the structural representation of rope brake 5, and Fig. 5 is the A-A cutaway view of Fig. 4.
The specific embodiment: the reciprocating descent control device of present embodiment is made up of change gear 1, driving wheel 2, housing 3, centrifugal 4, rope brake 5, speed change gear, cap 6 and central shaft 7.Speed change gear by central gear 8, internal gear 9 on the central shaft 7 that is installed in the housing 3, be arranged on around the central gear 8 and with central gear 8 and internal gear 9 simultaneously planet gear meshed 10 form, planetary gear 10 is installed on the flange 1-1 of change gear 1 end by axle 11, driving wheel 2 is fixedly connected on the end of central gear 8 wheel hub 8-1, and internal gear 9 is structure as a whole with the cap 6 of housing 3.During work, change gear 1 drives driving wheel 2 by planetary gear 10, fixed internal gear 9 and central gear 8 and rotates.Change gear 1 is sleeved on the middle part of central gear 8 wheel hub 8-1, is provided with bearing 12 between change gear 1 and the wheel hub 8-1.In the fan-shaped centrifugal 4 fan groove 2-2 that is arranged on driving wheel 2 sides, centrifugal 4 forms cooperating of outside circumferencial direction slip form with driving wheel 2, and the lateral surface 4-1 of centrifugal 4 circular arc of rotation closely contacts with the inner cylinder face 3-1 of housing 3.Rope outlet 3-2 place on housing 3 is provided with rope brake 5, is provided with two folder rope sheave 5-1 that will walk around the two strands clamping of change gear 1 in the rope brake 5, and this rope brake 5 takes up on change gear 1 rope, and drives change gear 1 rotation.Form 8 °～15 ° angle between the two sides of grooving 1-2 on the change gear 1, can be convenient to like this rope is clamped.
Claims (7)
1, reciprocating descent control device, it includes the change gear (1) that is used for wiring, in centrifugal (4) that change gear (1) drives the speed change gear of underdrive, driving wheel (2) that the covariant quick-mounting is put rotation, housing (3), together rotates with driving wheel (2), it is characterized in that centrifugal (4) form cooperating of outside circumferencial direction slip form with driving wheel (2), the lateral surface (4-1) of the circular arc of centrifugal (4) of rotation closely contacts with the inner cylinder face (3-1) of housing (3).
2, reciprocating descent control device according to claim 1, it is characterized in that change gear (1) is arranged on the centre position of housing (3), driving wheel (2) and speed change gear lay respectively at the left and right sides of change gear (1), and the rope outlet (3-2) on the housing (3) is under change gear (1).
3, reciprocating descent control device according to claim 1 and 2, it is characterized in that speed change gear by central gear (8), internal gear (9) on the central shaft (7) that is installed in the housing (3), be arranged on central gear (8) and form on every side and with central gear (8) and internal gear (9) while planet gear meshed (10), planetary gear (10) is installed on the flange (1-1) of change gear (1) end by axle (11), driving wheel (2) is fixedly connected on the end of central gear (8) wheel hub (8-1), and internal gear (9) is structure as a whole with the cap (6) of housing (3).
4, reciprocating descent control device according to claim 3 is characterized in that change gear (1) is sleeved on the middle part of central gear (8) wheel hub (8-1), is provided with bearing (12) between change gear (1) and the wheel hub (8-1).
5, reciprocating descent control device according to claim 1 is characterized in that fan-shaped centrifugal (4) are arranged in the fan groove (2-2) of driving wheel (2) side.
6, reciprocating descent control device according to claim 2 is characterized in that the rope outlet (3-2) on housing (3) locates to be provided with rope brake (5), is provided with two the folder rope sheaves (5-1) that will walk around the two strands clamping of change gear (1) in the rope brake (5).
7, reciprocating descent control device according to claim 1 is characterized in that forming between the two sides of the grooving (1-2) on the change gear (1) 8 °～15 ° angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02251039 CN2566880Y (en) | 2002-12-03 | 2002-12-03 | Reciprocating slowly drop-down apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02251039 CN2566880Y (en) | 2002-12-03 | 2002-12-03 | Reciprocating slowly drop-down apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566880Y true CN2566880Y (en) | 2003-08-20 |
Family
ID=33721035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02251039 Expired - Fee Related CN2566880Y (en) | 2002-12-03 | 2002-12-03 | Reciprocating slowly drop-down apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2566880Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014080A (en) * | 2013-02-28 | 2014-09-03 | 张雨 | Building fire disaster-earthquake life preserver |
| CN113559429A (en) * | 2021-08-23 | 2021-10-29 | 金华捷科工具有限公司 | High-altitude escape backpack and rope-recoverable descent control device thereof |
-
2002
- 2002-12-03 CN CN 02251039 patent/CN2566880Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014080A (en) * | 2013-02-28 | 2014-09-03 | 张雨 | Building fire disaster-earthquake life preserver |
| CN113559429A (en) * | 2021-08-23 | 2021-10-29 | 金华捷科工具有限公司 | High-altitude escape backpack and rope-recoverable descent control device thereof |
| WO2023024326A1 (en) * | 2021-08-23 | 2023-03-02 | 金华捷科工具有限公司 | High-altitude escape backpack, and descend control device thereof with retractable rope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030820 Termination date: 20101203 |