CN209108448U - A kind of planetary gear reducing mechanism for slow drop survival kit - Google Patents

Abstract

The utility model discloses a kind of planetary gear reducing mechanisms for slow drop survival kit, including lower plate and upper plate, rolling wheel and wirerope, the lower end surface inner edge of rolling wheel sets annular gear ring, three transmission gears of annular gear ring internal messing, central gear is engaged between transmission gear, central gear is set in the lower part of central axis, the middle part of central axis, which is run through, sets centrifugal shaft, the both ends of centrifugal shaft symmetrically set centrifugal-block, the outer wall sheathed spring of centrifugal shaft, rolling wheel bulge loop is set among the inner wall of rolling wheel, the inner edge of rolling wheel bulge loop sets bulge loop slope mouthful, the outer rim center of centrifugal-block sets centrifugal-block gap slot, the outer rim of centrifugal-block gap slot sets gap slot slope mouthful, bulge loop slope mouthful is identical with the gradient on gap slot slope mouthful and can be bonded to each other, the upper and lower side of central axis is rotatable to be protruded into upper plate and lower plate.The utility model is slowed down by gear cooperation is aided with centrifugal block friction deceleration, can make one to reach ground safely.

Description

A kind of planetary gear reducing mechanism for slow drop survival kit

Technical field

The utility model relates to escape device for high-rise buildings field, more specifically to a kind of planet for slow drop survival kit Gear reduction.

Background technique

With the raising of urbanization degree, more and more people's work and life is in high buildings and large mansions, and corresponding fire-fighting Survival means do not keep up with the development of society, and as floor is higher and higher, corresponding fire-extinguishing and lifesaving will be more and more difficult, and one Fire or other natural calamities occur for denier, will result in great casualties.

The deceleration mechanism of existing slow drop survival kit, which depends gear alone, slows down, and slowing effect is obvious not enough, under high-altitude Excessive velocities when pendant, have much room for improvement.

Utility model content

The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of row for slow drop survival kit Star gear reduction is slowed down by gear cooperation and is aided with the friction eceleration of centrifugal-block, can make one to reach ground safely.

The scheme that the utility model solves above-mentioned technical problem is:

A kind of planetary gear reducing mechanism for slow drop survival kit, including symmetrical above and below and spaced lower plate and Upper plate, the rolling wheel in lower plate and upper plate and be connected to rolling wheel lower end surface and along the annular wall of rolling wheel winding Wirerope, the lower end surface inner edge of the rolling wheel are equipped with annular gear ring, and the annular gear ring internal messing is there are three transmission gear, and three A central gear is engaged between transmission gear jointly, the central gear is set in the lower part of central axis, the central axis Middle part, which is run through, is equipped with perpendicular lateral centrifugal shaft, and the both ends of the centrifugal shaft symmetrically plug centrifugal-block, the centrifugal shaft Outer wall sheathed spring, the both ends of the spring are respectively held against central axis and centrifugal-block, and the inner wall middle of the rolling wheel is equipped with Inwardly projecting rolling wheel bulge loop, the inner edge of the rolling wheel bulge loop are equipped with bulge loop slope symmetrical above and below mouthful, the centrifugal-block it is outer Lateral centrifugal-block gap slot is equipped at edge center, the outer rim of the centrifugal-block gap slot is equipped with gap slot slope symmetrical above and below Mouthful, the bulge loop slope mouthful is identical with the gradient on gap slot slope mouthful and can be bonded to each other, the upper and lower end face difference of the rolling wheel Fitting is fixed with retaining ring and lower retaining ring, is interval point between the upper retaining ring and upper plate, between lower retaining ring and lower plate Cloth, the upper and lower side of the central axis is rotatable respectively to be protruded into upper plate and lower plate.

The inner edge of the transmission gear is set in the outer wall of transmission gear copper sheathing, the inner wall interference of the transmission gear copper sheathing The outer wall of cooperation insertion driving gearshaft, the lower end surface of the driving gearshaft is downwardly extending concentric transmission gear crown of roll Head is symmetrically arranged with two straight faces of plush copper, the lower plate and upper plate on the annular outer wall of the driving gearshaft plush copper Shape it is identical, on lower plate circumferentially through be equipped with transmission gear axis hole, the inner face of the lower plate is equipped with and driving cog The rectangular slot that axle hole communicates, projection of the transmission gear axis hole on rectangular slot entirely fall within the center of rectangular slot Place, the lower end surface of the driving gearshaft plush copper are bonded the bottom surface of rectangular slot and the straight face fitting rectangular slot of two plush coppers Wherein opposite two side walls, wear the screw for being screwed into driving gearshaft plush copper lower end surface in the transmission gear axis hole Driving gearshaft is fixed.

It extends transversely through the centrifugal shaft penetrated there are two setting for centrifugal shaft fitting in the middle part of the central axis to perforate, on central axis It is equipped with pedestal positioned at the periphery of two centrifugal shafts perforation, interference fit is equipped with bearing on the pedestal, the central axis Upper end is equipped with upper copper sheathing platform, and the lower section for a pedestal for being located at lower part on central axis is successively arranged centre tooth Luntai from top to bottom With lower copper sheathing platform, the outer wall of the centre tooth Luntai is symmetrically arranged with the straight face of gear platform, and the inner edge of the central gear is symmetrical Equipped with the straight face of central gear, central gear is inserted in centre tooth Luntai and the corresponding fitting gear platform of the straight face of central gear is flat Straight parts is arranged central axis copper sheathing on the upper copper sheathing platform and lower copper sheathing platform, the end face of the central gear resists be located under The end face of one central axis copper sheathing of side.

The inner wall lower of the rolling wheel is equipped with stepped down part, and the outer diameter of the stepped down part is less than in the minimum of rolling wheel bulge loop Diameter, the upper inside wall of the rolling wheel are equipped with top bar portion, and the internal diameter in the top bar portion is greater than the outer diameter of stepped down part, under described Lower hub is fitted in stage portion, the inner edge of the lower hub is bonded with the outer wall for a bearing for being located at central axis lower part, The top bar portion is equipped with upper wheel hub, and the inner edge of the upper wheel hub and the outer wall for a bearing for being located at central axis top paste It closes, the centrifugal-block is between upper wheel hub and lower hub, the circumferential uniformly upper wheel hub installation at inner edge on the upper wheel hub Hole.

The upper and lower end face of the rolling wheel is equipped with rolling wheel installation screw, and the lower end surface of rolling wheel is equipped with the expanded letter slot of connection and carefully Mouth slot, the width of the expanded letter slot are greater than the width of thin mouth slot, and the depth of expanded letter slot is greater than the depth of thin mouth slot, the wirerope Inner end form the expansion mouth that a size increases, in expansion mouth insertion expanded letter slot, the inner edge of the lower retaining ring is circumferentially equal Retaining ring mounting hole is planted, the center of the upper retaining ring is equipped with concentric upper retaining ring middle ring, the inner edge of upper retaining ring and upper retaining ring middle ring Outer rim between connected by circumferentially uniformly distributed connection strap, the circumferential uniformly upper retaining ring outer installing hole in the inner edge of upper retaining ring, it is described on Retaining ring interior installing hole is circumferentially uniformly gone up in retaining ring middle ring, the upper retaining ring outer installing hole and lower retaining ring mounting hole are respectively and on rolling wheel The rolling wheel installation screw of lower end surface is corresponding and is connected by screw to, and the upper retaining ring interior installing hole is opposite with upper hub installing hole It answers and is connected by screw to.

The rear end of the lower plate and upper plate is equipped with arc protrusion, consolidates on the arc protrusion through equipped with rear column Determine hole, the front end of the lower plate and upper plate is successively arranged quadrate support column fixation hole, front column perforation and column from front to back Sub- fixation hole is located at middle on the lower plate and upper plate and is equipped with central axis perforation, after the lower plate and upper plate It is connected between column fixation hole by rear column, the upper and lower side of the rear column is equipped with the rear column plush copper protruded with one heart, institute The inner side end for stating lower plate and upper plate is equipped with the rear column plush copper slot concentric with rear column fixation hole, the rear column The corresponding insertion rear column plush copper slot of plush copper and the screw by passing through rear column fixation hole be screwed into the end face of rear column plush copper into Row is fixed, and is successively fitted with two quadrate support columns, two between the lower plate and the inner side end of upper plate from front to back A front column and two pillars, the middle of each quadrate support column are equipped with lateral two shaft plush coppers perforation, each shaft Interference fit is arranged shaft copper sheathing in plush copper perforation, plugs lateral shaft, the transverse direction between two opposite shaft copper sheathings The both ends of shaft are equipped with the shaft plush copper outwardly protruded with one heart, and the shaft plush copper clearance fit is plugged in shaft copper sheathing, institute The upper and lower end face for stating quadrate support column is equipped with support column installation screw corresponding with quadrate support column fixation hole, vertical before each The both ends of column are equipped with the front column plush copper outwardly protruded with one heart, and the front column plush copper is plugged in front column copper sheathing, before described In the interference fit indentation front column perforation of column copper sheathing, the outer wall of one of front column is arranged rotating cylinder, the pillar and pillar Fixation hole passes through pillar fixation hole and is screwed into the end face of pillar and is fixed with respect to and by screw up and down.

The centrifugal-block is equipped with the centrifugal shaft jack penetrated for centrifugal shaft, the outer wall and centrifugal shaft jack of the centrifugal shaft Clearance fit.

The protrusion effect of the utility model is: present apparatus structure novel, the safe and reliable and service life is long, passes through annular tooth Circle, transmission gear and central gear cooperation are slowed down, then are aided with the friction eceleration of centrifugal-block, can be made one safety and steady and be reached in ground Face.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 be Fig. 2 in A-A to cross-sectional view；

Fig. 4 is the cross-sectional view of B-B direction in Fig. 2；

Fig. 5 is the enlarged drawing in Fig. 4 at C；

Fig. 6 is the first partial explosive view of the utility model；

Fig. 7 is second partial exploded view of the utility model；

Fig. 8 is the enlarged drawing in Fig. 7 at D；

Fig. 9 is the lower plate of the utility model and the explosive view of upper plate cooperation；

Figure 10 is the perspective view of the rolling wheel of the utility model；

Figure 11 is the rolling wheel of the utility model and the perspective view of wirerope cooperation；

Figure 12 is the partial assembled perspective view inside the rolling wheel of the utility model；

Figure 13 is the perspective view of the central axis of the utility model；

Figure 14 is the cooperation schematic diagram of the annular gear ring of the utility model, transmission gear and central gear；

Figure 15 is the enlarged drawing in Figure 14 at E.

In figure: upper wheel hub 1, upper hub installing hole 11, baffle ring 2, lower plate 3, upper plate 31, arc protrusion 32, rear column Fixation hole 33, pillar fixation hole 34, front column perforation 35, rectangular slot 36, quadrate support column fixation hole 37, rear column plush copper are inserted Slot 38, central axis perforation 39, transmission gear axis hole 310, lower retaining ring 4, upper retaining ring 41, lower retaining ring mounting hole 42, upper retaining ring middle ring 43, connection strap 44, upper retaining ring outer installing hole 45, upper retaining ring interior installing hole 46, rolling wheel 5, annular gear ring 51, rolling wheel installation screw 52, expanded letter slot 53, thin mouth slot 54, stepped down part 55, top bar portion 56, rolling wheel bulge loop 57, bulge loop slope mouthful 58, wirerope 6, expansion Oral area 61, lower hub 7, central axis 8, centrifugal shaft perforation 81, pedestal 82, centre tooth Luntai 83, gear platform is straight facial 84, under Copper sheathing platform 85, upper copper sheathing platform 86, centrifugal shaft 87, spring 88, centrifugal-block 89, centrifugal shaft jack 810, bearing 811, central axis copper sheathing 812, central gear 813, transmission gear 814, driving gearshaft 815, transmission gear copper sheathing 816, driving gearshaft plush copper 817, Plush copper is straight facial 818, central gear is straight facial 819, centrifugal-block gap slot 820, gap slot slope mouthful 821, rear column 9, Pillar 91, front column 92, support column installation screw 93, quadrate support column 94, lateral shaft 95, rotating cylinder 96, rear column plush copper 97, Front column plush copper 98, front column copper sheathing 99, shaft plush copper 910, shaft copper sheathing 911, shaft plush copper perforation 912.

Specific embodiment

Embodiment:

As shown in Fig. 1~Figure 15, a kind of planetary gear reducing mechanism for slow drop survival kit, including it is symmetrical above and below and Every the lower plate 3 and upper plate 31 of setting, the rolling wheel 5 in lower plate 3 and upper plate 31 and it is connected to 5 lower end surface of rolling wheel And the wirerope 6 wound along the annular wall of rolling wheel 5, the diameter of wirerope 6 is 3mm, and the lower end surface inner edge of the rolling wheel 5 is equipped with Annular gear ring 51,51 internal messing of annular gear ring engage between three transmission gears 814 jointly there are three transmission gear 814 One central gear 813, the central gear 813 are set in the lower part of central axis 8, and the middle part of the central axis 8, which is run through, to be equipped with Perpendicular lateral centrifugal shaft 87, the quantity of centrifugal shaft 87 are two and between the upper and lower every parallelly distribute on, the centrifugal shafts 87 Both ends symmetrically plug centrifugal-block 89, the centrifugal-block 89 is equipped with the centrifugal shaft jack 810 penetrated for centrifugal shaft 87, i.e., each Centrifugal shaft jack 810 on centrifugal-block 89 is two, the outer wall and 810 clearance fit of centrifugal shaft jack of the centrifugal shaft 87, this Sample centrifugal-block 89 can move back and forth along centrifugal shaft 87.

The outer wall sheathed spring 88 of the centrifugal shaft 87,88 a total of 4, spring, the both ends of the spring 88 are respectively held against Central axis 8 and centrifugal-block 89, the two sides of substantial each centrifugal shaft 87 are arranged baffle ring 2, and 2 one end face paste of baffle ring closes central axis 8, In this way centrifugal shaft 87 just will not transverse shift, baffle ring 2 other end fitting spring 88 one end, spring 88 can be made in this way End face contact area reaches maximization, improves the service life of spring 88.

The inner wall middle of the rolling wheel 5 is equipped with inwardly projecting rolling wheel bulge loop 57, and the inner edge of the rolling wheel bulge loop 57 is set There is bulge loop slope symmetrical above and below mouthful 58, is equipped with lateral centrifugal-block gap slot 820, institute at the outer rim center of the centrifugal-block 89 The outer rim for stating centrifugal-block gap slot 820 is equipped with gap slot slope symmetrical above and below mouthful 821, the bulge loop slope mouthful 58 and gap slot The gradient on slope mouthful 821 is identical and can be bonded to each other.

The upper and lower end face of the rolling wheel 5 is bonded respectively is fixed with retaining ring 41 and lower retaining ring 4, the upper retaining ring 41 and upper bottom Between plate 31, between lower retaining ring 4 and lower plate 3 be to be spaced apart, upper plate 31 and lower plate 3 are static when the present apparatus works , upper retaining ring 41 and lower retaining ring 4 are together as rolling wheel 5 rotates.

The upper and lower side of the central axis 8 is rotatable respectively to be protruded into upper plate 31 and lower plate 3.

The inner edge of the transmission gear 814 is set in the outer wall of transmission gear copper sheathing 816, the transmission gear copper sheathing 816 Inner wall interference fit insertion driving gearshaft 815 outer wall, the lower end surface of the driving gearshaft 815 is downwardly extending together The driving gearshaft plush copper 817 of the heart is symmetrically arranged with two plush copper flat faces on the annular outer wall of the driving gearshaft plush copper 817 Portion 818, the lower plate 3 is identical with the shape of upper plate 31 so that it is convenient to which high-volume processing and manufacturing (is substantially on upper plate 31 Transmission gear axis hole 310 do not use).

Circumferentially through transmission gear axis hole 310 is equipped on lower plate 3, the inner face of the lower plate 3 is equipped with and transmission The rectangular slot 36 that gear shaft holes 310 communicate, projection of the transmission gear axis hole 310 on rectangular slot 36 entirely fall within length At the center of square groove 36, the lower end surface of the driving gearshaft plush copper 817 is bonded the bottom surface of rectangular slot 36 and two plush coppers The wherein opposite two side walls of straight facial 818 fitting rectangular slot 36, driving gearshaft 815 will not revolve at work in this way Position is shifted, wears the screw for being screwed into 817 lower end surface of driving gearshaft plush copper to driving cog in the transmission gear axis hole 310 Wheel shaft 815 is fixed.After driving gearshaft 815 is fixed, transmission gear 814 can be rotated around transmission gear copper sheathing 816, this Each copper sheathing in device plays wear-resisting effect, can improve the service life of the present apparatus.

The middle part of the central axis 8, which extends transversely through, to be set there are two the centrifugal shaft perforation 81 penetrated for the fitting of centrifugal shaft 87, in The periphery for being located at two centrifugal shaft perforation 81 in mandrel 8 is equipped with pedestal 82, and interference fit is equipped with bearing on the pedestal 82 811, the upper end of the central axis 8 is equipped with upper copper sheathing platform 86, and the lower section of a pedestal 82 of lower part is located on central axis 8 from upper It is successively arranged centre tooth Luntai 83 and lower copper sheathing platform 85 down, it is straight that the outer wall of the centre tooth Luntai 83 is symmetrically arranged with gear platform Face 84, the inner edge of the central gear 813 is symmetrically arranged with central gear straight facial 819, and central gear 813 is inserted in centre tooth Luntai 83 and the corresponding fitting gear platform straight facial 84 of central gear straight facial 819, the setting is so that central gear 813 rotates When can drive central axis 8 together and then rotate.It is arranged central axis copper sheathing 812 on the upper copper sheathing platform 86 and lower copper sheathing platform 85, The end face of the central gear 813 resists the end face of a underlying central axis copper sheathing 812.Two central axis copper sheathings 812 Respectively in the central axis perforation 39 of interference fit indentation lower plate 3 and upper plate 31, such central axis 8 is just around central axis copper sheathing 812 are rotated.

The inner wall lower of the rolling wheel 5 is equipped with stepped down part 55, and the outer diameter of the stepped down part 55 is less than rolling wheel bulge loop 57 Minimum diameter, the upper inside wall of the rolling wheel 5 is equipped with top bar portion 56, and the internal diameter in the top bar portion 56 is greater than stepped down part 55 outer diameter first smooth can be put into lower hub 7 during installation in this way, finally place into wheel hub 1.

Be fitted with lower hub 7 on the stepped down part 55, the inner edge of the lower hub 7 be located at 8 lower part of central axis The outer wall fitting of one bearing 811, drives lower hub 7 to rotate together when rolling wheel 5 rotates.

The top bar portion 56 is equipped with upper wheel hub 1, the inner edge of the upper wheel hub 1 be located at one of 8 top of central axis The outer wall of bearing 811 is bonded, and the centrifugal-block 89 is between upper wheel hub 1 and lower hub 7, close to inner edge on the upper wheel hub 1 The circumferential uniformly upper hub installing hole 11 in place.

The upper and lower end face of the rolling wheel 5 is equipped with rolling wheel installation screw 52, and the lower end surface of rolling wheel 5 is equipped with the expanded letter slot of connection 53 and thin mouth slot 54, the width of the expanded letter slot 53 is greater than the width of thin mouth slot 54, and the depth of expanded letter slot 53 is greater than thin mouth slot 54 Depth, the inner end of the wirerope 6 forms the expansion mouth 61 that a size increases, and the expansion mouth 61 is embedded in expanded letter slot 53 It is interior, while cooperating the lower end surface of the lower fitting of retaining ring 4 crimping rolling wheel 5, including expanded letter slot 53 and thin mouth slot 54 are covered, such steel wire The expansion mouth 61 of rope 6 just can not be deviate from, and ensure that the security reliability used.

Retaining ring mounting hole 42 is circumferentially uniformly descended in the inner edge of the lower retaining ring 4, and the center of the upper retaining ring 41 is equipped with concentric Upper retaining ring middle ring 43 is connected between the inner edge of upper retaining ring 41 and the outer rim of upper retaining ring middle ring 43 by circumferentially uniformly distributed connection strap 44 It connects, the inner edge circumferential direction of upper retaining ring 41 uniformly goes up retaining ring outer installing hole 45, circumferentially uniformly goes up in retaining ring in the upper retaining ring middle ring 43 Mounting hole 46, the upper retaining ring outer installing hole 45 and lower retaining ring mounting hole 42 install spiral shell with the rolling wheel of 5 upper and lower end face of rolling wheel respectively Hole 52 is corresponding and is connected by screw to, and the upper retaining ring interior installing hole 46 is corresponding with upper hub installing hole 11 and passes through screw Connection.Upper retaining ring 41 is driven to rotate when rolling wheel 5 rotates so together, upper retaining ring 41 drives upper wheel hub 1 connected to it together again Rotation, i.e., the outer rim of upper wheel hub 1 do not need interference fit and are packed into top bar portion 56, and when installation is more convenient.The upper gear of stainless steel Circle 41 and lower retaining ring 4 and 5 synchronous rotary of rolling wheel, block both ends of the surface when wirerope 6 is wound, and wirerope 6 does not contact 3 He of lower plate Upper plate 31 prevents wirerope 6 and lower plate 3 and upper plate 31 from generating friction, generates failure when in use.

The rear end of the lower plate 3 and upper plate 31 is equipped with arc protrusion 32, runs through on the arc protrusion 32 and is equipped with The front end of rear column fixation hole 33, the lower plate 3 and upper plate 31 be successively arranged from front to back quadrate support column fixation hole 37, Front column perforation 35 and pillar fixation hole 34 is located at middle on the lower plate 3 and upper plate 31 and is equipped with central axis perforation 39, It is connected between the lower plate 3 and the rear column fixation hole 33 of upper plate 31 by rear column 9, the upper and lower side of the rear column 9 It is equipped with the rear column plush copper 97 protruded with one heart, the inner side end of the lower plate 3 and upper plate 31 is equipped with solid with rear column Determine the concentric rear column plush copper slot 38 in hole 33, the rear column plush copper 97 is corresponding to be inserted into rear column plush copper slot 38 and by wearing Later the end face that the screw of column fixation hole 33 is screwed into rear column plush copper 97 is fixed, the lower plate 3 and upper plate 31 Two quadrate support columns, 94, two front columns 92 and two pillars 91 are successively fitted between inner side end from front to back, this Pass through 94, two, a quadrate support column front column 92 and two of rear column 9, two between the lower plate 3 and upper plate 31 of device A pillar 91 realizes support connection.

The middle of each quadrate support column 94 is equipped with lateral two shaft plush coppers perforation 912, and each shaft plush copper is worn Interference fit is arranged shaft copper sheathing 911 in hole 912, plugs lateral shaft 95 between two opposite shaft copper sheathings 911, i.e., horizontal It is rotated to shaft 95 around shaft copper sheathing 911, it is convex that the both ends of the transverse direction shaft 95 are equipped with the shaft outwardly protruded with one heart First 910,910 clearance fit of shaft plush copper is plugged in shaft copper sheathing 911, and the upper and lower end face of the quadrate support column 94 is equal Equipped with support column installation screw 93 corresponding with quadrate support column fixation hole 37, the both ends of each front column 92 be equipped with one heart to The front column plush copper 98 of outer protrusion, the front column plush copper 98 are plugged in front column copper sheathing 99,99 mistake of front column copper sheathing It is full of in cooperation indentation front column perforation 35, front column 92 itself does not rotate, and the outer wall of one of front column 92 is arranged rotating cylinder 96, Rotating cylinder 96 can be rotated around front column 92, and the pillar 91 is opposite with about 34 pillar fixation hole and solid across pillar by screw Determine hole 34 and the end face for being screwed into pillar 91 is fixed.Wirerope 6 after completing winding to the annular outer wall of rolling wheel 5 passes through two (between a substantially front column 92 and a rotating cylinder 96, distance between the two is 4mm) and two cross between front column 92 To (distance between the two is 4mm) between shaft 95, in high-rise life saving, wirerope 6 stretches out Shi Keyu rotating cylinder 96 and transverse direction 95 relative rotation of shaft greatly reduces frictional force when downslide, extends the service life of wirerope 6.

The working principle of the slow drop survival kit of the present apparatus is: expansion bolt is squeezed on the exterior wall of each resident on high building, The bracket being linked into for suspension hook is fixedly connected on expansion bolt, the outer end of the wirerope 6 of the present apparatus is fixedly connected with a suspension hook, When encountering emergency case (such as fire), the slow drop survival kit of trapped person's back hangs the suspension hook being connected with 6 outer end of wirerope Enter the bracket on expansion bolt, then freely land, wirerope 6 stretches out at this time, and wirerope 6, which stretches out, drives rolling wheel 5 to rotate, rolling wheel 5 rotations drive three transmission gears 814 to rotate, and three rotations of transmission gear 814 drive central gear 813 to rotate, central gear 813 rotations drive central axises 8 to rotate, and central axis 8 rotates so that centrifugal-block 89 is subject to centrifugal forces and gets rid of outward, centrifugal-block 89 Gap slot slope mouthfuls 821 contact rotation generation frictional force with the bulge loop slope of rolling wheel 5 mouthful 58, in this way, pass through annular gear ring 51, Transmission gear 814 and the cooperation of central gear 813 are slowed down, then are aided with the friction eceleration of centrifugal-block 89, can make one slowly steadily to arrive Up to ground.Butter is added in the space for placing transmission gear 814 and central gear 813 in the present apparatus, it is ensured that the present apparatus safely may be used By work.

Above embodiments are merely to illustrate the utility model, and are not limitations of the present invention, related technology neck The those of ordinary skill in domain can also make a variety of changes in the case where not departing from the spirit and scope of the utility model, because This all equivalent technical solution also belongs to the scope of the utility model.

Claims (7)

1. a kind of planetary gear reducing mechanism for slow drop survival kit, it is characterised in that: including symmetrical above and below and interval setting Lower plate (3) and upper plate (31), be located at lower plate (3) and upper plate (31) in rolling wheel (5) and be connected to rolling wheel (5) The lower end surface inner edge of lower end surface and the wirerope (6) wound along the annular wall of rolling wheel (5), the rolling wheel (5) is equipped with annular tooth It encloses (51), there are three annular gear ring (51) internal messings transmission gear (814), nibbles jointly between three transmission gears (814) Unify central gear (813), the central gear (813) is set in the lower part of central axis (8), in the central axis (8) Portion, which is run through, is equipped with perpendicular lateral centrifugal shaft (87), and the both ends of the centrifugal shaft (87) symmetrically plug centrifugal-block (89), The both ends of the outer wall sheathed spring (88) of the centrifugal shaft (87), the spring (88) are respectively held against central axis (8) and centrifugal-block (89), the inner wall middle of the rolling wheel (5) is equipped with inwardly projecting rolling wheel bulge loop (57), the inner edge of the rolling wheel bulge loop (57) Equipped with bulge loop slope mouthful (58) symmetrical above and below, lateral centrifugal-block gap slot is equipped at the outer rim center of the centrifugal-block (89) (820), the outer rim of the centrifugal-block gap slot (820) is equipped with gap slot slope symmetrical above and below mouthful (821), the bulge loop slope Mouth (58) is identical with the gap slot slope mouthful gradient of (821) and can be bonded to each other, and the upper and lower end face of the rolling wheel (5) is bonded respectively It is fixed with retaining ring (41) and lower retaining ring (4), between the upper retaining ring (41) and upper plate (31), lower retaining ring (4) and lower plate It (3) is to be spaced apart between, the upper and lower side of the central axis (8) is rotatable respectively to protrude into upper plate (31) and lower plate (3) It is interior.

2. a kind of planetary gear reducing mechanism for slow drop survival kit as described in claim 1, it is characterised in that: the transmission The inner edge of gear (814) is set in the outer wall of transmission gear copper sheathing (816), the inner wall interference of the transmission gear copper sheathing (816) The outer wall of cooperation insertion driving gearshaft (815), the lower end surface of the driving gearshaft (815) is downwardly extending concentric biography Movable gear shaft plush copper (817) is symmetrically arranged with two straight faces of plush copper on the annular outer wall of the driving gearshaft plush copper (817) (818), the lower plate (3) is identical with the shape of upper plate (31), circumferentially through equipped with transmission gear axis hole on lower plate (3) (310), the inner face of the lower plate (3) is equipped with the rectangular slot (36) communicated with transmission gear axis hole (310), the biography Moving gear axis hole (310) is at the center that the projection on rectangular slot (36) entirely falls within rectangular slot (36), the driving cog The lower end surface of wheel shaft plush copper (817) is bonded the bottom surface of rectangular slot (36) and two plush coppers straight facial (818) are bonded rectangle The wherein opposite two side walls of slot (36), interior wear of the transmission gear axis hole (310) are screwed into driving gearshaft plush copper (817) driving gearshaft (815) is fixed in the screw of lower end surface.

3. a kind of planetary gear reducing mechanism for slow drop survival kit as claimed in claim 2, it is characterised in that: the center It extends transversely through and is set there are two the centrifugal shaft perforation (81) penetrated for centrifugal shaft (87) fitting in the middle part of axis (8), central axis (8) is upper Pedestal (82) are equipped in the periphery of two centrifugal shaft perforation (81), interference fit is equipped with bearing on the pedestal (82) (811), the upper end of the central axis (8) is equipped with upper copper sheathing platform (86), and a pedestal (82) of lower part is located on central axis (8) Lower section be successively arranged centre tooth Luntai (83) and lower copper sheathing platform (85), the outer wall pair of the centre tooth Luntai (83) from top to bottom Claim to be equipped with the straight face (84) of gear platform, the inner edge of the central gear (813) is symmetrically arranged with the straight face of central gear (819), central gear (813) is inserted in centre tooth Luntai (83) and central gear straight facial (819) corresponding fitting gear platform is flat Straight parts (84) is arranged central axis copper sheathing (812), the central gear on the upper copper sheathing platform (86) and lower copper sheathing platform (85) (813) end face resists the end face of a underlying central axis copper sheathing (812).

4. a kind of planetary gear reducing mechanism for slow drop survival kit as claimed in claim 3, it is characterised in that: the rolling wheel (5) inner wall lower is equipped with stepped down part (55), and the outer diameter of the stepped down part (55) is less than in the minimum of rolling wheel bulge loop (57) The upper inside wall of diameter, the rolling wheel (5) is equipped with top bar portion (56), and the internal diameter of the top bar portion (56) is greater than stepped down part (55) outer diameter is fitted with lower hub (7) on the stepped down part (55), the inner edge of the lower hub (7) be located at center The outer wall of one bearing (811) of axis (8) lower part is bonded, and the top bar portion (56) is equipped with upper wheel hub (1), the upper wheel hub (1) inner edge is bonded with the outer wall for a bearing (811) for being located at central axis (8) top, and the centrifugal-block (89) is located at upper wheel Between hub (1) and lower hub (7), on the upper wheel hub (1) at inner edge circumferential uniformly upper hub installing hole (11).

5. a kind of planetary gear reducing mechanism for slow drop survival kit as claimed in claim 4, it is characterised in that: the rolling wheel (5) upper and lower end face is equipped with rolling wheel installation screw (52), and the lower end surface of rolling wheel (5) is equipped with the expanded letter slot (53) and thin mouth of connection Slot (54), the width of the expanded letter slot (53) are greater than the width of thin mouth slot (54), and the depth of expanded letter slot (53) is greater than thin mouth slot (54) depth, the inner end of the wirerope (6) form the expansion mouth (61) that a size increases, expansion mouth (61) insertion In expanded letter slot (53), the inner edge of the lower retaining ring (4) is circumferentially uniformly descended retaining ring mounting hole (42), the center of the upper retaining ring (41) Equipped with concentric upper retaining ring middle ring (43), by circumferential equal between the inner edge of upper retaining ring (41) and the outer rim of upper retaining ring middle ring (43) The connection strap (44) of cloth connects, and the inner edge of upper retaining ring (41) is circumferential uniformly upper retaining ring outer installing hole (45), the upper retaining ring middle ring (43) on circumferentially uniformly upper retaining ring interior installing hole (46), the upper retaining ring outer installing hole (45) and lower retaining ring mounting hole (42) are respectively It is corresponding with rolling wheel installation screw (52) of rolling wheel (5) upper and lower end face and be connected by screw to, the upper retaining ring interior installing hole (46) corresponding with upper hub installing hole (11) and be connected by screw to.

6. a kind of planetary gear reducing mechanism for slow drop survival kit as claimed in claim 5, it is characterised in that: the bottom The rear end of plate (3) and upper plate (31) is equipped with arc protrusion (32), through solid equipped with rear column on the arc protrusion (32) Determine hole (33), the front end of the lower plate (3) and upper plate (31) be successively arranged from front to back quadrate support column fixation hole (37), Front column is perforated (35) and pillar fixation hole (34), positioned at middle equipped with center on the lower plate (3) and upper plate (31) Axis is perforated (39), is connected between the lower plate (3) and the rear column fixation hole (33) of upper plate (31) by rear column (9), The upper and lower side of the rear column (9) is equipped with the rear column plush copper (97) protruded with one heart, the lower plate (3) and upper plate (31) Inner side end be equipped with the rear column plush copper slot (38) concentric with rear column fixation hole (33), the rear column plush copper (97) Corresponding insertion rear column plush copper slot (38) is simultaneously screwed into rear column plush copper (97) by the screw across rear column fixation hole (33) End face be fixed, be successively fitted with two from front to back between the lower plate (3) and the inner side end of upper plate (31) A quadrate support column (94), two front columns (92) and two pillars (91), the middle of each quadrate support column (94) are equipped with Two lateral shaft plush coppers are perforated (912), and interference fit is arranged shaft copper sheathing in each shaft plush copper perforation (912) (911), it is plugged lateral shaft (95) between two opposite shaft copper sheathings (911), the both ends of the transverse direction shaft (95) are concentric Equipped with the shaft plush copper (910) outwardly protruded, shaft plush copper (910) clearance fit is plugged in shaft copper sheathing (911), institute The upper and lower end face for stating quadrate support column (94) is equipped with support column installation screw corresponding with quadrate support column fixation hole (37) (93), the both ends of each front column (92) are equipped with the front column plush copper (98) outwardly protruded, the front column plush copper (98) with one heart It is plugged in front column copper sheathing (99), in front column copper sheathing (99) the interference fit indentation front column perforation (35), wherein one The outer wall of a front column (92) is arranged rotating cylinder (96), and the pillar (91) and pillar fixation hole (34) relatively and pass through screw up and down Across pillar fixation hole (34) and the end face that is screwed into pillar (91) is fixed.

7. a kind of planetary gear reducing mechanism for slow drop survival kit, feature exist as described in claim 1~6 any one In: the centrifugal-block (89) is equipped with the centrifugal shaft jack (810) penetrated for centrifugal shaft (87), the outer wall of the centrifugal shaft (87) With centrifugal shaft jack (810) clearance fit.