CN209668590U - Safety-type staircase drive assembly - Google Patents

Abstract

The utility model relates to the technical fields of escalator auxiliary equipment can lock the first driving wheel when the first driving wheel takes a turn for the worse more particularly to a kind of safety-type staircase drive assembly, improve safety in utilization；Radiating and cooling can be carried out to motor, improve use reliability；Motor, driving wheel, driven wheel, the first belt, the first driving wheel, the second driving wheel and shaft, motor output end are provided with transmission shaft；It further include bottom plate, four groups of screwed pipes, four groups of threaded rods, adjustment seat, fixed pin, bar and spring, adjustment seat top right half area is provided with placing groove, and bar front side wall lower half region is provided with rotation hole；It further include support column, transverse slat, band driving wheel, the second belt, fixed plate, rotating bar, first bevel gear, second bevel gear and swingle, fixed plate front side wall upper half area is provided with through hole, transverse slat top left area is provided with intercommunicating pore, and swingle lateral wall lower half region is provided with one group of blade.

Description

Safety-type staircase drive assembly

Technical field

The utility model relates to the technical fields of escalator auxiliary equipment, drive more particularly to a kind of safety-type staircase Assembly.

Background technique

It is well known that staircase drive assembly is a kind of for providing the device of power to escalator, in escalator Field in be widely used in a variety of applications；Existing staircase drive assembly includes motor, driving wheel, driven wheel, belt, the first biography Driving wheel, the second driving wheel and shaft, motor output end are provided with transmission shaft, transmission shaft front end and driving wheel rear wall middle section Connection, shaft front-end and back-end are connect with the first driving wheel rear wall and the second driving wheel front side wall middle section respectively, driven Wheel is mounted on the first driving wheel front side wall middle section, and belt is set on driving wheel and driven wheel, and driving wheel and driven wheel are logical Cross belt transmission connection；In use, shaft needs the external world fixed, motor driven driving wheel rotates existing staircase drive assembly, Driving wheel drives driven wheel rotation by belt, and driven wheel drives the first driving wheel, shaft and the rotation of the second driving wheel, realization pair The driving of escalator；It is found in existing staircase drive assembly use, when staircase breaks down, the first driving wheel can occur inverse Turn, is easy to damage passenger, safety in utilization is poor；Motor work is easy to produce heat, and overheat will cause damage, in turn Elevator faults are caused, use reliability is poor.

Utility model content

In order to solve the above technical problems, the utility model, which provides one kind, to be passed when the first driving wheel takes a turn for the worse to first Driving wheel is locked, and safety in utilization is improved；Radiating and cooling can be carried out to motor, the safety-type staircase for improving use reliability drives Dynamic assembly.

A kind of safety-type staircase drive assembly of the utility model, including motor, driving wheel, driven wheel, the first belt, One driving wheel, the second driving wheel and shaft, motor output end are provided with transmission shaft, transmission shaft front end and driving wheel rear wall center Region connection, shaft front-end and back-end are connect with the first driving wheel rear wall and the second driving wheel front side wall middle section respectively, Driven wheel is mounted on the first driving wheel front side wall middle section, and the first belt is set on driving wheel and driven wheel, driving wheel and Driven wheel is sequentially connected by the first belt；It further include bottom plate, four groups of screwed pipes, four groups of threaded rods, adjustment seat, fixed pin, gears Bar and spring, the bottom plate top left area front left side, forward right side, left rear side and right lateral side are provided with four groups of rotation slots, institute Four groups of screwed pipe bottom ends are stated to be inserted into respectively in four groups of rotation slots, four groups of screwed pipe lateral walls respectively with four groups of rotation slot inner sidewalls Rotation connection, four groups of threaded rod tips are connect with adjustment seat bottom end front left side, forward right side, left rear side and right lateral side respectively, Spiral shell is filled in four groups of screwed pipes respectively for four groups of threaded rod bottom ends, and adjustment seat top right half area is provided with placing groove, described Bar bottom end be it is arc-shaped, bar bottom end is protruded into placing groove, and bar front side wall lower half region is provided with rotation hole, the fixation Pin front end is connect with front side wall left area in placing groove, and fixed pin rear end is across rotation hole and left partly with rear wall in placing groove Region connection, the spring one end are protruded into placing groove and connects with downside wall right half area in placing groove, the spring other end and The connection of bar right side wall upper half area；It further include support column, transverse slat, band driving wheel, the second belt, fixed plate, rotating bar, the first cone Gear, second bevel gear and swingle, the support column bottom end are connect with bottom plate top right half area, support top end and transverse slat It is connect on front side of the connection of bottom end right half area, the fixed plate bottom end and transverse slat top left area, fixed plate front side wall upper half Domain is provided with through hole, and the rotating bar front end is connect with driving wheel rear wall middle section, second belt be set in from Driving wheel and on driving wheel, driven wheel and is sequentially connected with driving wheel by the second belt, and rotation rod rear end passes through through hole and with the The connection of one bevel gear front side wall middle section, transverse slat top left area are provided with intercommunicating pore, and the swingle top, which passes through, to be connected Through-hole is simultaneously connect with second bevel gear bottom end middle section, and swingle lateral wall and intercommunicating pore inner sidewall are rotatablely connected, swingle Lateral wall lower half region is provided with one group of blade, and the first bevel gear is engaged with second bevel gear.

A kind of safety-type staircase drive assembly of the utility model, further includes speed reducer, it is defeated that the speed reducer is located at motor Outlet.

A kind of safety-type staircase drive assembly of the utility model, further includes limit base, the limit base bottom end and adjusting Seat top left area connection.

A kind of safety-type staircase drive assembly of the utility model, the limit base right side wall are provided with cushion.

A kind of safety-type staircase drive assembly of the utility model is respectively arranged with four groups of balls in four groups of rotation slots Bearing, four groups of screwed pipe bottom ends are inserted into four groups of ball bearings and respectively with four groups of ball bearings respectively and are keyed.

A kind of safety-type staircase drive assembly of the utility model, four groups of screwed pipe lateral walls are respectively arranged with four groups Rubber ring set.

A kind of safety-type staircase drive assembly of the utility model, further includes limited block, the limited block front end and rotation The connection of bar rear wall upper half area.

A kind of safety-type staircase drive assembly of the utility model, further includes resilient cushion, the resilient cushion top and motor Bottom end connection, resilient cushion bottom end is connect with bottom plate top right half area.

Compared with prior art the utility model has the following beneficial effects: four groups of screwed pipe lateral walls respectively with four groups of rotation slots Inner sidewall rotation connection, spiral shell is filled in four groups of screwed pipes respectively for four groups of threaded rod bottom ends, and four groups of threaded rod tips respectively with tune Section seat bottom end front left side, forward right side, left rear side connects with right lateral side, while four groups of screwed pipes of rotation, four groups of rotated threaded tubulars Four groups of threaded rods are moved upwardly or downwardly simultaneously simultaneously, and then realize the adjusting of the upper and lower position of adjustable plate, and fixed pin rear end is worn It crosses rotation hole and is rotatablely connected with rotation hole, so that bar can be using fixed pin as axis rotation, bottom in spring one end and placing groove The connection of side wall right half area, the spring other end are connect with bar right side wall upper half area, and the elastic force of spring is moderate, and spring is in just When beginning state, support can be played the role of to bar, and just bar can be made in a vertical state, motor driven first passes Driving wheel rotates counterclockwise, and the first driving wheel lateral wall is provided with multiple groups teeth, and adjacent two groups of teeth tooth is just protruded on bar top Between, while the first driving wheel rotates counterclockwise drive multiple groups teeth rotate so that bar top is pushed to the right, bar to Right compressed spring, bar will not have an impact the first driving wheel rotated counterclockwise, and when escalator breaks down, first is passed When driving wheel reverses, bar between two adjacent groups teeth can be to blocking the first driving wheel, and then to the first driving wheel Detent is carried out, so that the first driving wheel is not taken a turn for the worse, the failure of escalator is avoided to damage passenger, is improved using peace Quan Xing；Band driving wheel is sequentially connected by the second belt and driven wheel, so that driven wheel rotation can be driven band driving wheel and rotate together, Band wheel rotation driving first bevel gear rotation, first bevel gear drive the second bevel gear rotation being engaged with, the second cone tooth Wheel drive swingle and one group of blade rotation, since one group of blade is located above motor, one group of blade of rotation plays motor The effect of radiating and cooling improves use reliability.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is motor, speed reducer, transmission shaft, driving wheel, driven wheel, the first belt, the first driving wheel, the second driving wheel With the connection signal top view of shaft；

Fig. 3 be transverse slat, fixed plate, band driving wheel, rotating bar, first bevel gear, second bevel gear, swingle, limited block and The connection signal right view of one group of blade；

Fig. 4 is the partial enlarged view of A in Fig. 1；

It is attached marked in the figure: 1, motor；2, driving wheel；3, driven wheel；4, the first belt；5, the first driving wheel；6, it second passes Driving wheel；7, shaft；8, transmission shaft；9, bottom plate；10, screwed pipe；11, threaded rod；12, adjustment seat；13, fixed pin；14, bar； 15, spring；16, support column；17, transverse slat；18, band driving wheel；19, the second belt；20, fixed plate；21, rotating bar；22, the first cone Gear；23, second bevel gear；24, swingle；25, blade；26, speed reducer；27, limit base；28, cushion；29, ball axis It holds；30, rubber ring set；31, limited block；32, resilient cushion.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

As shown in Figures 1 to 4, a kind of safety-type staircase drive assembly of the utility model, including motor 1, driving wheel 2, Driven wheel 3, the first belt 4, the first driving wheel 5, the second driving wheel 6 and shaft 7,1 output end of motor are provided with transmission shaft 8, pass 8 front end of moving axis is connect with 2 rear wall middle section of driving wheel, 7 front-end and back-end of shaft respectively with 5 rear wall of the first driving wheel It is connected with 6 front side wall middle section of the second driving wheel, driven wheel 3 is mounted on 5 front side wall middle section of the first driving wheel, the first skin Band 4 is set on driving wheel 2 and driven wheel 3, and driving wheel 2 and driven wheel 3 are sequentially connected by the first belt 4；It further include bottom plate 9, four groups of screwed pipes, 10, four groups of threaded rods 11, adjustment seat 12, fixed pin 13, bar 14 and spring 15,9 top left half-court of bottom plate Domain front left side, forward right side, left rear side and right lateral side are provided with four groups of rotation slots, and four groups of 10 bottom ends of screwed pipe are inserted into four groups respectively In rotation slot, four groups of 10 lateral walls of screwed pipe are rotatablely connected with four groups of rotation slot inner sidewalls respectively, four groups of 11 tops of threaded rod point It is not connect with 12 bottom end front left side of adjustment seat, forward right side, left rear side and right lateral side, spiral shell is filled to four respectively for four groups of 11 bottom ends of threaded rod In group screwed pipe 10,12 top right half area of adjustment seat is provided with placing groove, 14 bottom end of bar be it is arc-shaped, 14 bottom end of bar is stretched Enter in placing groove, 14 front side wall lower half region of bar is provided with rotation hole, front side wall left half in 13 front end of fixed pin and placing groove Region connection, 13 rear end of fixed pin pass through rotation hole and connect with rear wall left area in placing groove, and 15 one end of spring is protruded into It is connect in placing groove and with downside wall right half area in placing groove, 15 other end of spring and 14 right side wall upper half area of bar connect It connects；Further include support column 16, transverse slat 17, band driving wheel 18, the second belt 19, fixed plate 20, rotating bar 21, first bevel gear 22, Second bevel gear 23 and swingle 24,16 bottom end of support column are connect with 9 top right half area of bottom plate, 16 top of support column and cross It is connect on front side of the connection of 17 bottom end right half area of plate, 20 bottom end of fixed plate and 17 top left area of transverse slat, 20 front side wall of fixed plate Upper half area is provided with through hole, and 21 front end of rotating bar is connect with 18 rear wall middle section of driving wheel, and the second belt 19 is arranged It in driven wheel 3 and on driving wheel 18, driven wheel 3 and is sequentially connected with driving wheel 18 by the second belt 19,21 rear end of rotating bar is worn It crosses through hole and is connect with 22 front side wall middle section of first bevel gear, 17 top left area of transverse slat is provided with intercommunicating pore, rotation 24 top of bull stick passes through intercommunicating pore and connect with 23 bottom end middle section of second bevel gear, in 24 lateral wall of swingle and intercommunicating pore Side wall rotation connection, 24 lateral wall lower half region of swingle is provided with one group of blade 25, first bevel gear 22 and second bevel gear 23 engagements；Four groups of screwed pipe lateral walls are rotatablely connected with four groups of rotation slot inner sidewalls respectively, four groups of threaded rod bottom end difference spiral shell dresses To four groups of screwed pipes, and four groups of threaded rod tips connect with adjustment seat bottom end front left side, forward right side, left rear side and right lateral side respectively It connects, while rotating four groups of screwed pipes, four groups of threaded rods are moved upwardly or downwardly simultaneously while four groups of rotated threaded tubulars, Jin Ershi The adjusting of the upper and lower position of existing adjustable plate, fixed pin rear end pass through rotation hole and are rotatablely connected with rotation hole, so that bar can be with Fixed pin is axis rotation, and spring one end is connect with downside wall right half area in placing groove, the spring other end and bar right side wall Upper half area connection, the elastic force of spring is moderate, when spring is in original state, can play the role of support to bar, and just Bar can be made in a vertical state well, the first driving wheel of motor driven rotates counterclockwise, and the first driving wheel lateral wall is provided with Multiple groups teeth, bar top are just protruded between adjacent two groups of teeth tooth, are driven while the first driving wheel rotates counterclockwise more Group teeth rotate and then bar top are pushed to the right, and compressed spring, bar will not be to first rotated counterclockwise to the right for bar Driving wheel has an impact, when escalator breaks down, when the first driving wheel reverses, between two adjacent groups teeth Bar can be to blocking the first driving wheel, and then carries out detent to the first driving wheel, so that the first driving wheel is not taken a turn for the worse, avoids The failure of escalator damages passenger, improves safety in utilization；Band driving wheel is connected by the second belt and driven wheel transmission It connects, so that driven wheel rotation can be driven band driving wheel and rotate together, band wheel rotation driving first bevel gear rotation, the first cone tooth Wheel drives the second bevel gear rotation being engaged with, and second bevel gear drives swingle and one group of blade rotation, due to one group of leaf Piece is located above motor, and one group of blade of rotation plays the role of radiating and cooling to motor, improves use reliability.

A kind of safety-type staircase drive assembly of the utility model, further includes speed reducer 26, it is defeated that speed reducer 26 is located at motor 1 Outlet；Speed reducer can stablize the revolving speed of motor, improve stability in use.

A kind of safety-type staircase drive assembly of the utility model further includes limit base 27,27 bottom end of limit base and adjusting Seat 12 top left area connection；Limit base plays the role of limit to bar, and anti-gear-stopping bar is excessively moved to the left, and improves and uses Safety.

A kind of safety-type staircase drive assembly of the utility model, 27 right side wall of limit base are provided with cushion 28；Buffering Pad plays the role of buffering to bar, collides between anti-gear-stopping bar and limit base, improves and uses controllability.

A kind of safety-type staircase drive assembly of the utility model is respectively arranged with four groups of ball bearings in four groups of rotation slots 29, four groups of 10 bottom ends of screwed pipe are inserted into four groups of ball bearings 29 and respectively with four groups of ball bearings 29 respectively and are keyed；Four Group ball bearing can respectively reduce generated frictional resistance when four groups of rotated threaded tubulars, improve and use ride comfort.

A kind of safety-type staircase drive assembly of the utility model, four groups of 10 lateral walls of screwed pipe are respectively arranged with four groups of rubbers Rubber ring set 30；Four groups of rubber ring sets prevent that opposite sliding occurs between operator's palm and four groups of screwed pipes, improve using stream Smooth property.

A kind of safety-type staircase drive assembly of the utility model further includes limited block 31,31 front end of limited block and rotation The connection of 24 rear wall upper half area of bar；Limited block can prevent swingle to be detached from the damage of intercommunicating pore junction, and raising makes Use stability.

A kind of safety-type staircase drive assembly of the utility model further includes resilient cushion 32,32 top of resilient cushion and motor 1 Bottom end connection, 32 bottom end of resilient cushion is connect with 9 top right half area of bottom plate；The vibration that resilient cushion can generate motor is played slow The effect of punching prevents motor damage, improves usage economy.

The safety-type staircase drive assembly of the utility model, at work, four groups of screwed pipe lateral walls respectively with four groups The rotation connection of rotation slot inner sidewall, spiral shell is filled in four groups of screwed pipes respectively for four groups of threaded rod bottom ends, and four groups of threaded rod tips point It is not connect with adjustment seat bottom end front left side, forward right side, left rear side and right lateral side, while rotating four groups of screwed pipes, four groups of screwed pipes Four groups of threaded rods are moved upwardly or downwardly simultaneously while rotation, and then realize the adjusting of the upper and lower position of adjustable plate, fixed pin Rear end passes through rotation hole and is rotatablely connected with rotation hole, so that bar can be using fixed pin as axis rotation, spring one end and placement Downside wall right half area connects in slot, and the spring other end is connect with bar right side wall upper half area, and the elastic force of spring is moderate, spring When in original state, support can be played the role of to bar, and just bar can be made in a vertical state, motor driven First driving wheel rotates counterclockwise, and the first driving wheel lateral wall is provided with multiple groups teeth, and adjacent two are just protruded on bar top Between group teeth, drives multiple groups teeth to rotate while the first driving wheel rotates counterclockwise and then bar top is pushed to the right, Compressed spring, bar will not have an impact the first driving wheel rotated counterclockwise bar to the right, when escalator break down, When first driving wheel reverses, bar between two adjacent groups teeth can be to blocking the first driving wheel, and then to first Driving wheel carries out detent, so that the first driving wheel is not taken a turn for the worse, the failure of escalator is avoided to damage passenger, improves Safety in utilization；Band driving wheel is sequentially connected by the second belt and driven wheel, so that band driving wheel one can be driven in driven wheel rotation Rotation, band wheel rotation driving first bevel gear rotation are played, first bevel gear drives the second bevel gear rotation being engaged with, the Two bevel gear driving swingles and one group of blade rotation, since one group of blade is located above motor, one group of blade of rotation is to electricity Machine plays the role of radiating and cooling, improves use reliability；Speed reducer can stablize the revolving speed of motor, improve stability in use； Limit base plays the role of limit to bar, and anti-gear-stopping bar is excessively moved to the left, and improves safety in utilization；Cushion plays bar It to the effect of buffering, collides between anti-gear-stopping bar and limit base, improves and use controllability；Four groups of ball bearings can be distinguished Reduce generated frictional resistance when four groups of rotated threaded tubulars, improves and use ride comfort；Four groups of rubber ring sets prevent operator Opposite sliding occurs between palm and four groups of screwed pipes, improves and uses fluency；Limited block can prevent swingle and intercommunicating pore Junction damage is detached from, and is improved and is used stability；Buffering is played the role of in the vibration that resilient cushion can generate motor, prevents Only motor damage improves usage economy.

Motor and speed reducer used in the safety-type staircase drive assembly of the utility model be all from purchasing on the market, It need to only be installed and used to specifications.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into modification.

Claims (8)

1. a kind of safety-type staircase drive assembly, including motor (1), driving wheel (2), driven wheel (3), the first belt (4), first Driving wheel (5), the second driving wheel (6) and shaft (7), motor (1) output end are provided with transmission shaft (8), transmission shaft (8) front end with Driving wheel (2) rear wall middle section connection, shaft (7) front-end and back-end respectively with the first driving wheel (5) rear wall and second The connection of driving wheel (6) front side wall middle section, driven wheel (3) are mounted on the first driving wheel (5) front side wall middle section, the first skin Band (4) is set on driving wheel (2) and driven wheel (3), and driving wheel (2) and driven wheel (3) are connected by the first belt (4) transmission It connects；It is characterized in that, further including bottom plate (9), four groups of screwed pipes (10), four groups of threaded rods (11), adjustment seat (12), fixed pin (13), bar (14) and spring (15), bottom plate (9) top left area front left side, forward right side, left rear side and right lateral side are set Four groups of rotation slots are equipped with, four groups of screwed pipes (10) bottom end is inserted into respectively in four groups of rotation slots, and four groups of screwed pipes (10) are outside Side wall is rotatablely connected with four groups of rotation slot inner sidewalls respectively, four groups of threaded rods (11) top respectively with adjustment seat (12) bottom end Front left side, forward right side, left rear side are connected with right lateral side, and spiral shell is filled to four groups of screwed pipes (10) respectively for four groups of threaded rod (11) bottom ends Interior, adjustment seat (12) the top right half area is provided with placing groove, and bar (14) bottom end is arc-shaped, bar (14) bottom End is protruded into placing groove, and bar (14) front side wall lower half region is provided with rotation hole, fixed pin (13) front end and placing groove Interior front side wall left area connection, fixed pin (13) rear end pass through rotation hole and connect with rear wall left area in placing groove, Described spring (15) one end is protruded into placing groove and is connect with downside wall right half area in placing groove, spring (15) other end and gear The connection of bar (14) right side wall upper half area；Further include support column (16), transverse slat (17), band driving wheel (18), the second belt (19), consolidate Fixed board (20), rotating bar (21), first bevel gear (22), second bevel gear (23) and swingle (24), the support column (16) Bottom end is connect with bottom plate (9) top right half area, and support column (16) top is connect with transverse slat (17) bottom end right half area, described solid It is connect on front side of fixed board (20) bottom end and transverse slat (17) top left area, fixed plate (20) front side wall upper half area is provided with perforation Hole, rotating bar (21) front end are connect with driving wheel (18) rear wall middle section, second belt (19) be set in from Driving wheel (3) and on driving wheel (18), driven wheel (3) and passes through the second belt (19) with driving wheel (18) and is sequentially connected, rotating bar (21) rear end passes through through hole and connect with first bevel gear (22) front side wall middle section, and transverse slat (17) top left area is set It is equipped with intercommunicating pore, swingle (24) top passes through intercommunicating pore and connect with second bevel gear (23) bottom end middle section, revolves Bull stick (24) lateral wall and intercommunicating pore inner sidewall are rotatablely connected, and swingle (24) lateral wall lower half region is provided with one group of blade (25), the first bevel gear (22) is engaged with second bevel gear (23).

2. safety-type staircase drive assembly as described in claim 1, which is characterized in that it further include speed reducer (26), it is described to subtract Fast machine (26) is located at motor (1) output end.

3. safety-type staircase drive assembly as claimed in claim 2, which is characterized in that further include limit base (27), the limit Position seat (27) bottom end is connect with adjustment seat (12) top left area.

4. safety-type staircase drive assembly as claimed in claim 3, which is characterized in that limit base (27) the right side wall setting There are cushion (28).

5. safety-type staircase drive assembly as claimed in claim 4, which is characterized in that be respectively set in four groups of rotation slots Have four groups of ball bearings (29), four groups of screwed pipes (10) bottom end be inserted into four groups of ball bearings (29) respectively and respectively with Four groups of ball bearing (29) key connections.

6. safety-type staircase drive assembly as claimed in claim 5, which is characterized in that four groups of screwed pipes (10) lateral wall It is respectively arranged with four groups of rubber ring sets (30).

7. safety-type staircase drive assembly as claimed in claim 6, which is characterized in that further include limited block (31), the limit Position block (31) front end is connect with swingle (24) rear wall upper half area.

8. safety-type staircase drive assembly as claimed in claim 7, which is characterized in that it further include resilient cushion (32), it is described to subtract Shake pad (32) top is connect with motor (1) bottom end, and resilient cushion (32) bottom end is connect with bottom plate (9) top right half area.