CN215309787U

CN215309787U - Double constant speed automatic rope-retracting descent control device

Info

Publication number: CN215309787U
Application number: CN202120533476.7U
Authority: CN
Inventors: 万正
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-12-28
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a double-constant-speed automatic rope-collecting descent control device which comprises a machine body framework, a rope-storing wheel shaft, an automatic speed-limiting mechanism, an automatic rope-collecting mechanism, an automatic wire-arranging mechanism and a shell, wherein the machine body framework comprises a right wall plate, a left wall plate, a cross column, a pipe sleeve, a nut, a hanging lug, a frame plate and a support column, the left wall plate is arranged on the left side of the right wall plate, the cross column is arranged on the upper side and the lower side between the right wall plate and the left wall plate, the pipe sleeve is arranged on the outer side of the cross column, the nut is locked at the tail end of the pipe sleeve and the cross column, the hanging lug is arranged at the rear end part above the right wall plate and the left wall plate, and the frame plate and the support column are respectively arranged on the outer part and the upper part of the right side of the right wall plate. The double-constant-speed automatic rope-collecting descent control device is ingenious in structure, the double-speed-limiting escapement mechanism and the scroll spring are adopted to act on the rope storage wheel shaft through gear speed change, and the double-constant-speed automatic rope-collecting descent control device has the advantages of being small in size, large in rope storage amount, fast and stable in automatic rope collection speed, stable in descending speed, high in reliability, economical, practical and the like.

Description

Double constant speed automatic rope-retracting descent control device

Technical Field

The utility model relates to the technical field of automatic descent control devices, in particular to a double-constant-speed automatic rope-retracting descent control device.

Background

An automatic descent control device is rescue and escape equipment and can enable a user to descend at a constant speed. The user is helped to automatically descend from a high place to the ground at a slow speed, so that the user can safely evacuate. Double constant speed means constant speed when descending and constant speed when withdrawing the rope. During descending, two sets of escapements (main and auxiliary) participate in speed limiting work at the same time, namely double constant speeds.

The scroll spring of the existing automatic rope-retracting descent control device directly acts on a rope storage disc, a scroll spring which is longer than the length of a rope is required to be configured to provide rope-retracting and rewinding force, for an ultra-long rope, the length, the weight and the volume of the scroll spring required by automatic rewinding are large, uncontrolled quick rope retracting easily causes part damage due to the existence of acceleration, and the use safety and stability of the descent control device are threatened, so that the double constant-speed automatic rope-retracting descent control device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double constant-speed automatic rope-retracting descent control device, which aims to solve the problems that the prior automatic rope-retracting descent control device provided in the background art directly acts on a rope storage disc, a large number of spiral springs longer than the length of a rope are required to provide rope-retracting and rewinding forces, the length, the weight and the volume of the spiral springs required for automatic rewinding of an overlong rope are large, and uncontrolled quick rope retracting easily causes damage to parts due to the existence of acceleration, so that the safety and the stability of the use of the descent control device are threatened.

In order to achieve the purpose, the utility model provides the following technical scheme: the double-constant-speed automatic rope-collecting descent control device comprises a machine body framework, a rope-storing wheel shaft, an automatic speed-limiting mechanism, an automatic rope-recovering mechanism, an automatic wire-arranging mechanism and a shell, wherein the machine body framework comprises a right wall plate, a left wall plate, a cross column, a pipe sleeve, a nut, a lug, a frame plate and a strut, the left wall plate is arranged on the left side of the right wall plate, the cross column is arranged on the upper side and the lower side between the right wall plate and the left wall plate, the pipe sleeve is arranged on the outer side of the cross column, the nut is locked at the tail ends of the pipe sleeve and the cross column, the lugs are arranged at the rear end parts of the upper parts of the right wall plate and the left wall plate, the frame plate and the strut are respectively arranged on the outer part and the upper part of the right side of the right wall plate, the rope-storing wheel shaft is arranged between the right wall plate and the left wall plate through a bearing, a hook is arranged at the outer end of a rope wound on the rope-storing wheel shaft, which penetrates through a rope hole on a sliding block of the automatic wire-arranging mechanism and a window of the shell, and the right wall plate is also provided with the automatic speed-limiting mechanism, the automatic speed limiting mechanism comprises a right first gear, a right second gear, a right third gear, an overrunning clutch, a right bearing, a right duplicate gear, a right fourth gear, a right fifth gear, a first escapement fork and a second escapement fork, the right first gear is fixed at the outer side of one end of the rope storage wheel shaft, the outer side of the right first gear is meshed with the right second gear and the right bearing, the right third gear is installed at the outer side of the right second gear through the overrunning clutch, the right duplicate gear is further installed at the outer side of one end of the rope storage wheel shaft through a bearing, the right fourth gear is meshed with the outer side of the right first gear, the right duplicate gear is respectively meshed with the right third gear and the right fifth gear, the first escapement fork and the second escapement fork are respectively installed at the outer sides of the right fourth gear and the right fifth gear, the automatic rope recycling mechanism is installed at the left side of the left wallboard, and comprises the left first gear, the right second gear, the right duplicate gear, the first escapement fork and the second escapement fork are installed at the outer side of the left wallboard, and the automatic recycling mechanism is installed at the left side of the rope recycling mechanism, The automatic cable arranging mechanism is arranged at the middle lower part of the inner sides of the right wall plate and the left wall plate and comprises a reciprocating screw rod, a sliding block, a cable arranging gear and an idle wheel, the reciprocating screw rod is arranged at the lower side of the inner sides of the right wall plate and the left wall plate through the bearing, the sliding block is arranged on the reciprocating screw rod, a cable guide hole is formed in the sliding block and is used for allowing the outer end of a cable wound on the cable storage wheel shaft to pass through, and the cable arranging gear is arranged at one end of the reciprocating screw rod extending out of the left wall plate, and one side that the winding displacement gear is close to left wallboard is provided with the idle wheel, the shell sets up in the outside of organism framework, and the shell is including right shell, left shell and screw, right shell is installed to the outside of right wallboard, left shell is installed to the outside of left wallboard, and left shell and right shell are respectively through the both ends of fix with screw in the spreader.

Preferably, the left first gear, the left duplicate gear, the left bearing and the gear shaft cylinder are combined to form a speed change gear set.

Preferably, the winding displacement gear is meshed with the left duplicate gear through the idle gear, and the left duplicate gear is meshed with the left first gear and the gear shaft barrel respectively.

Preferably, the right shell and the left shell are fixed with the cross column through screws, and the right shell and the left shell are attached to each other through flanges of respective edge openings and are fastened through screws.

Preferably, the fifth right gear is used as an escape wheel of the escape speed limiting mechanism and forms a main escape mechanism with the first escape fork, and the fourth right gear is meshed with the first right gear and forms a secondary escape mechanism with the first escape fork.

Compared with the prior art, the utility model has the beneficial effects that: the double constant-speed automatic rope-collecting descent control device mainly comprises a rope-storing wheel shaft, an automatic speed-limiting mechanism, an automatic rope-collecting mechanism, an automatic wire-arranging mechanism, a machine body framework, a shell and the like, wherein the machine body framework can be formed by a right wall plate, a left wall plate, a cross post, a pipe sleeve and a nut, and a frame plate and a support are combined with the right wall plate to form a support system; the automatic rope recovery mechanism at the other side of the rope storage wheel shaft is provided with an automatic rope recovery mechanism, a partition plate and a spiral spring; the automatic wire arranging mechanism is meshed with a gear on a rope storage wheel shaft through an idle wheel, so that the recovered rope is wound orderly;

the double-constant-speed automatic rope-collecting descent control device is ingenious in structure, the double-speed-limiting escapement and the scroll spring act on a rope-storing wheel shaft through gear speed change, and the double-speed-limiting escapement and scroll spring combined type rope-collecting descent control device has the advantages of being small in size, large in rope storage amount, high in speed and stability of automatic rope recovery, stable in descending speed, high in reliability, economical, practical and the like, wherein a fifth gear on the right serves as an escapement wheel of the escapement speed-limiting mechanism and a second escapement fork to form a main escapement mechanism, speed during releasing of a constant rope is achieved, a fourth gear on the right is meshed with a first gear on the right and serves as an escapement wheel of the escapement speed-limiting mechanism and a first escapement fork to form a secondary escapement mechanism, speed during recovering of the constant and quick rope is achieved, when the rope is released, the main escapement and secondary escapement speed-limiting mechanisms are all involved in work at the same time, therefore the automatic rope-collecting descent control device is suitable for many people to descend from high-altitude quickly, and meets emergency escape requirements of super high-rise buildings.

Drawings

FIG. 1 is a schematic front view of the internal structure of the present invention;

FIG. 2 is a side view of the present invention in a half-section configuration;

fig. 3 is a schematic view of the rope storage wheel shaft structure of the utility model.

In the figure: 1. a machine body framework; 101. a right wall panel; 102. a left wall panel; 103. a cross post; 104. pipe sleeve; 105. a nut; 106. hanging a lug; 107. a frame plate; 108. a pillar; 2. a rope storage wheel shaft; 3. an automatic speed limiting mechanism; 301. a right first gear; 302. a right second gear; 303. a right third gear; 304. an overrunning clutch; 305. a right bearing; 306. a right duplicate gear; 307. a fourth right gear; 308. a right fifth gear; 309. a first pallet fork; 310. a second pallet fork; 4. an automatic rope recovery mechanism; 401. a left first gear; 402. a left duplicate gear; 403. a left bearing; 404. a gear shaft cylinder; 405. a partition plate; 406. a coil spring; 5. an automatic wire arranging mechanism; 501. a reciprocating screw rod; 502. a slider; 503. a flat cable gear; 504. an intermediate wheel; 6. a housing; 601. a right housing; 602. a left housing; 603. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the double constant speed automatic rope-collecting descent control device comprises a machine body framework 1, a right wall plate 101, a left wall plate 102, a cross column 103, a pipe sleeve 104, a nut 105, a hanging lug 106, a frame plate 107, a support column 108, a rope storage wheel shaft 2, an automatic speed limiting mechanism 3, a right first gear 301, a right second gear 302, a right third gear 303, an overrunning clutch 304, a right bearing 305, a right duplicate gear 306, a right fourth gear 307, a right fifth gear 308, a first escape fork 309, a second escape fork 310, an automatic rope-collecting mechanism 4, a left first gear 401, a left duplicate gear 402, a left bearing 403, a gear shaft barrel 404, a partition plate 405, a spiral spring 406, an automatic wire arranging mechanism 5, a reciprocating screw rod 501, a sliding block 502, a wire arranging gear 503, an idle gear 504, a shell 6, a right shell 601, a left shell 602 and a screw 603, wherein the machine body framework 1 comprises the right wall plate 101, the left wall plate 102, the cross column 103, the pipe sleeve 104, the nut 105, the hanging lug 106, the left wall plate 102, the left wall plate 106, the right wall plate 103, the right wall plate 106, the left second rope-collecting descent control device, The left wall plate 102 is mounted on the left side of the right wall plate 101, the cross posts 103 are arranged on the upper side and the lower side between the right wall plate 101 and the left wall plate 102, the pipe sleeves 104 are mounted on the outer sides of the cross posts 103, nuts 105 are locked at the tail ends of the pipe sleeves 104 and the cross posts 103, the rear end parts of the upper parts of the right wall plate 101 and the left wall plate 102 are provided with the hanging lugs 106, and the frame plate 107 and the support post 108 are mounted on the outer part and the upper part of the right side of the right wall plate 101 respectively;

the rope storage wheel shaft 2 is arranged between the right wall plate 101 and the left wall plate 102 through a bearing, the outer end of a rope wound on the rope storage wheel shaft 2 passes through a rope hole on the automatic wire arranging mechanism sliding block 502 and the rear end of a window on the shell 6 and is provided with a hook, the right side of the right wall plate 101 is also provided with an automatic speed limiting mechanism 3, the automatic speed limiting mechanism 3 comprises a right first gear 301, a right second gear 302, a right third gear 303, an overrunning clutch 304, a right bearing 305, a right duplicate gear 306, a right fourth gear 307, a right fifth gear 308, a first escape fork 309 and a second escape fork 310, the right first gear 301 is fixed on the outer side of one end of the rope storage wheel shaft 2, the outer side of the right first gear 301 is engaged with the right second gear 302 and the right bearing 305, the outer side of the right second gear 302 is provided with the right third gear 303 through the overrunning clutch 304, the outer side of one end of the rope storage wheel shaft 2 is also provided with the right duplicate gear 306 through a bearing, a right fourth gear 307 is meshed with the outer side of the right first gear 301, the right duplicate gear 306 is respectively meshed with the right third gear 303 and the right fifth gear 308, a first escapement fork 309 and a second escapement fork 310 are respectively installed on the outer sides of the right fourth gear 307 and the right fifth gear 308, the right fifth gear 308 is simultaneously used as an escapement wheel of the escapement speed limiting mechanism and forms a main escapement mechanism with the second escapement fork 310, the right fourth gear 307 is meshed with the right first gear 301 and simultaneously used as an escapement wheel of the escapement speed limiting mechanism and forms a secondary escapement mechanism with the first escapement fork 309, and the main escapement mechanism and the secondary escapement mechanism are arranged to facilitate the realization of the constant-speed defense line collection of the rope storage wheel shaft 2;

the left side of the left wall plate 102 is provided with an automatic rope recovery mechanism 4, the automatic rope recovery mechanism 4 comprises a left first gear 401, a left duplicate gear 402, a left bearing 403, a gear shaft cylinder 404, a partition plate 405 and a coil spring 406, the left first gear 401 and the gear shaft cylinder 404 are arranged on the outer side of the other end of the rope storage wheel shaft 2, the left duplicate gear 402 is arranged on the outer side of the left wall plate 102 through the left bearing 403, the outer end of the cross column 103 is hooked with the coil spring 406, the partition plate 405 is arranged between the coil spring 406 and the gear of the gear shaft cylinder 404 through a cross shaft, and the left first gear 401, the left duplicate gear 402, the left bearing 403 and the gear shaft cylinder 404 are combined to form a speed change gear set;

the automatic wire arranging mechanism 5 is arranged at the middle lower part of the inner sides of the right wall plate 101 and the left wall plate 102, the automatic wire arranging mechanism 5 comprises a reciprocating screw rod 501, a sliding block 502, a wire arranging gear 503 and an idle gear 504, the reciprocating screw rod 501 is arranged at the lower sides of the inner sides of the right wall plate 101 and the left wall plate 102 through bearings, the sliding block 502 is arranged on the reciprocating screw rod 501, the wire arranging gear 503 is arranged at one end, extending out of the left wall plate 102, of the reciprocating screw rod 501, the idle gear 504 is arranged at one side of the wire arranging gear 503, close to the left wall plate 102, the wire arranging gear 503 is meshed with the left dual gear 402 through the idle gear 504, and the left dual gear 402 is respectively meshed with the left first gear 401 and the gear shaft barrel 404;

the housing 6 is disposed outside the machine body frame 1, and the housing 6 includes a right housing 601, a left housing 602 and screws 603, the right housing 601 is mounted on the outermost portion of the right wall plate 101, the left housing 602 is mounted on the outermost portion of the left wall plate 102, and the left housing 602 and the right housing 601 are respectively fixed to two ends of the cross post 103 by screws 603, the right housing 601 and the left housing 602 are fixed to the cross post 103 by screws 603, and the right housing 601 and the left housing 602 are attached to each other by flanges along their respective rims and fastened by screws 603.

The working principle is as follows: for the double constant speed automatic rope-collecting descent control device, when a certain descending load acts on the outer end of a steel wire rope wound on the rope storage wheel shaft 2 to form a pulling force, the rope storage wheel shaft 2 is forced to rotate, a right first gear 301 arranged at the shaft end drives a right second gear 302 to rotate in an accelerated way, the right second gear 302 drives a right third gear 303 through an overrunning clutch 304 to force a right duplicate gear 306 to rotate in a further accelerated way, but because a right fifth gear 308 simultaneously serves as an escape wheel of an escape speed limiting mechanism and a second escape fork 310 to form a main escape mechanism, and a right fourth gear 307 is meshed with the right first gear 301 and simultaneously serves as an escape wheel of the escape speed limiting mechanism and a first escape fork 309 to form a secondary escape mechanism, the rotating speed of the rope storage wheel shaft 2 under the action of the first escape fork 309 of the escape mechanism is limited according to the designed speed, and because the escape mechanism has the constancy speed limiting performance of a wider load, the descending speed of the rope is basically constant all the time, the spiral spring 406 is gradually tightened under the action of the left first gear 401, the left dual gear 402 and the gear shaft barrel 404 when the rope descends, the rope is rewound under the action of the revolving moment of the spiral spring 406 of the rope storage wheel shaft 2 after the descending load disappears, at the moment, the right third gear 303 of the gear does not rotate due to the one-way transmission action of the overrunning clutch 304, the main escapement speed limiting mechanism does not participate in the work, only the auxiliary escapement mechanism consisting of the right fifth gear 308 of the gear and the first escapement fork 309 plays a speed limiting role, the speed during rope recovery is quick and stable, the reciprocating screw 501 of the automatic wire arranging mechanism 5 rotates in the rope recovery process, the slide block 502 can do reciprocating motion along the axial direction of the reciprocating screw 501 according to the designed stroke, the reciprocating motion of the slide block 502 forces the rope passing through the rope hole to do reciprocating motion, and uniform rope is formed, The rope is tightly wound on the rope storage wheel shaft 2 in a layered mode, it is easy to see that when the rope is released, the main escape speed limiting mechanism and the auxiliary escape speed limiting mechanism both participate in the work at the same time, the revolving moment of the coil spring 406 acts on the rope storage wheel shaft 2 through the gear shaft barrel 404, the left duplicate gear 402 and the left first gear 401 of the automatic rope recovery mechanism 4, the ultra-long rope with the length being several times that of the coil spring 406 can be rapidly and reliably recovered, and the working process of the whole double constant-speed automatic rope recovery descent control device is completed.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions, alterations and modifications can be made without departing from the scope of the utility model, and any simple modification, equivalent changes and modifications made by the technical spirit of the present invention without departing from the technical spirit of the present invention are within the scope of the utility model.

Claims

1. Two constant speed automatic receipts rope descent control device, including organism framework (1), storage rope shaft (2), automatic speed limiting mechanism (3), automatic mechanism (4), automatic winding displacement mechanism (5) and shell (6) of retrieving of rope, its characterized in that: the machine body framework (1) comprises a right wall plate (101), a left wall plate (102), cross posts (103), pipe sleeves (104), nuts (105), hangers (106), frame plates (107) and support columns (108), wherein the left wall plate (102) is installed on the left side of the right wall plate (101), the cross posts (103) are arranged on the upper side and the lower side between the right wall plate (101) and the left wall plate (102), the pipe sleeves (104) are installed on the outer sides of the cross posts (103), the nuts (105) are locked at the tail ends of the pipe sleeves (104) and the cross posts (103), the hangers (106) are installed at the rear end parts above the right wall plate (101) and the left wall plate (102), the frame plates (107) and the support columns (108) are installed on the outer part and the upper part of the right side of the right wall plate (101), the rope storage wheel shaft (2) is arranged between the right wall plate (101) and the left wall plate (102) through bearings, and an automatic speed limiting mechanism (3) is further installed on the right side of the right wall plate (101), the automatic speed limiting mechanism (3) comprises a right first gear (301), a right second gear (302), a right third gear (303), an overrunning clutch (304), a right bearing (305), a right duplicate gear (306), a right fourth gear (307), a right fifth gear (308), a first pallet fork (309) and a second pallet fork (310), the right first gear (301) is fixed on the outer side of one end of the rope storage wheel shaft (2), the outer side of the right first gear (301) is meshed with the right second gear (302) and the right bearing (305), the outer side of the right second gear (302) is provided with the right third gear (303) through the overrunning clutch (304), the outer side of one end of the rope storage wheel shaft (2) is also provided with the right duplicate gear (306) through a bearing, the outer side of the right first gear (301) is meshed with the right fourth gear (307), and the right duplicate gear (306) is respectively meshed with the right third gear (303) and the right fifth gear (308), a first pallet fork (309) and a second pallet fork (310) are respectively arranged on the outer sides of the right fourth gear (307) and the right fifth gear (308), the left side of the left wall plate (102) is provided with an automatic rope recovery mechanism (4), the automatic rope recovery mechanism (4) comprises a left first gear (401), a left duplicate gear (402), a left bearing (403), a gear shaft cylinder (404), a partition plate (405) and a scroll spring (406), the left first gear (401) and the gear shaft cylinder (404) are arranged on the outer side of the other end of the rope storage shaft (2), the left duplicate gear (402) is arranged on the outer side of the left wall plate (102) through the left bearing (406), the outer end of the scroll spring (406) is hooked on the outer end of a cross column (403), the inner end of the scroll spring (406) is fixed on the gear shaft cylinder (404), and a partition plate (405) is arranged between the scroll spring (406) and the gear shaft cylinder (404) through a cross shaft, the automatic wire arranging mechanism (5) is arranged below the inner sides of the right wall plate (101) and the left wall plate (102), the automatic wire arranging mechanism (5) comprises a reciprocating screw rod (501), a sliding block (502), a wire arranging gear (503) and an idle wheel (504), the reciprocating screw rod (501) is arranged on the lower sides of the inner sides of the right wall plate (101) and the left wall plate (102) through bearings, the sliding block (502) is arranged on the reciprocating screw rod (501), the wire arranging gear (503) is arranged at one end, extending out of the left wall plate (102), of the reciprocating screw rod (501), the idle wheel (504) is arranged on one side, close to the left wall plate (102), of the wire arranging gear (503), the shell (6) is arranged on the outer side of the machine body framework (1), the shell (6) comprises a right shell (601), a left shell (602) and a screw (603), and the right shell (601) is arranged on the outermost portion of the right wall plate (101), a left shell (602) is installed on the outermost portion of the left wall plate (102), and the left shell (602) and the right shell (601) are fixed to two ends of the cross column (103) through screws (603) and nuts respectively.

2. The double constant-speed automatic rope-retracting descent control device of claim 1, wherein: the left first gear (401), the left duplicate gear (402), the left bearing (403) and the gear shaft barrel (404) are combined to form a speed change gear set.

3. The double constant-speed automatic rope-retracting descent control device of claim 1, wherein: the winding displacement gear (503) is meshed with the left duplicate gear (402) through the intermediate gear (504), and the left duplicate gear (402) is respectively meshed with the left first gear (401) and the gear shaft barrel (404).

4. The double constant-speed automatic rope-retracting descent control device of claim 1, wherein: the right shell (601), the left shell (602) and the cross column (103) are fixed through screws (603) and nuts, and the right shell (601) and the left shell (602) are attached to each other through flanges of respective edge openings and are fastened through screws.

5. The double constant-speed automatic rope-retracting descent control device of claim 1, wherein: the fifth right gear (308) is simultaneously used as an escape wheel of the escape speed limiting mechanism and a second escape fork (310) to form a main escape mechanism, and the fourth right gear (307) is meshed with the first right gear (301) and simultaneously used as the escape wheel of the escape speed limiting mechanism and a first escape fork (309) to form a secondary escape mechanism.