CN209601895U - A kind of main drive assembly of staircase - Google Patents

Abstract

The utility model provides a kind of main drive assembly of staircase, including truss, control cabinet, driving mechanism, drive sprocket, driving chain, arrestment mechanism, handrail drive wheel, handrail driving wheel, driving spindle, pedestal, main shaft drives wheel, resilient cushion, damping spring and handrail axis.The setting of the utility model damping spring, driving mechanism can generate vibration in the process of running, and damping spring plays buffer function to the vibration of generation, improve the driving effect of driving mechanism, reduce the noise in driving mechanism operational process；The setting of arrestment mechanism, when staircase is shut down, electromagnet power loss, brake arm turns to the inside, and friction plate is made to contradict driving spindle, realizes the purpose of braking driving spindle, guarantees the security performance of staircase；The setting of brake arm and friction plate is arranged friction plate in the inside of brake arm, effectively avoids brake arm in braking process from directly contacting with driving spindle, prevent the excessive wear of driving spindle and brake arm, improve the service life of driving spindle.

Description

A kind of main drive assembly of staircase

Technical field

The utility model belongs to staircase equipment technical field more particularly to a kind of main drive assembly of staircase.

Background technique

Staircase is a kind of with circular flow step, and the fixation for tilting conveying passenger upward or downward, which is driven by electricity, to be set Standby, it has the characteristics that continuous work, freight volume are big, be widely used in the stream of people concentration subway, light rail, station, airport, harbour, The vertical transport of the public places such as shop and mansion, therefore, it should which the safety for especially paying attention to staircase is increased to the safety of staircase The height of public safety just can guarantee the life security of passenger.The structure of staircase is mainly by step, step driving unit, driving Host, transmission parts, tensioning device, armrest system, metal structure, step roller track, upper and lower cover plates, fishback, safety device and The components such as electric part composition, wherein staircase driving host is the power-equipment of escalator, provides operation institute for escalator Torque and revolving speed are needed, there is the title of the heart of escalator.

Chinese Patent Application No. is 201721313660.0, a kind of entitled staircase drive system of innovation and creation, including Permanent magnet synchronous motor, shaft coupling and gear-box；Permanent magnet synchronous motor includes motor shaft；Gear-box includes input bevel gear, driven Bevel gear, second level pinion gear, second level gear wheel, output shaft；One end of shaft coupling is fixedly connected with motor shaft, the other end and input The rotary shaft of bevel gear is fixedly connected；Driven wheel of differential and the coaxial arrangement of second level pinion gear；Input bevel gear and driven wheel of differential Engagement, second level pinion gear are engaged with second level gear wheel；Second level gear wheel is set on the output shaft, and is fixedly connected with output shaft, Advantage is that overall design is exquisite, compact-sized, small in size, significantly reduces costs；Magneto revolving speed is low, and drive noise is low, With small vibration, complete machine runs smoothly；Control is simple, is not necessarily to encoder, has a wide range of application.

But the existing main driving of staircase always lacks damping, damping effect is poor, and noise is big, and brake is lacked on main shaft Structure, staircase is in the case where shutdown, and there are security risk, handrail driving is driven using single-chain, the problem of structural stability difference.

Therefore, a kind of main drive assembly of staircase is invented to be very necessary.

Summary of the invention

In order to solve the above-mentioned technical problem, the utility model provides a kind of main drive assembly of staircase, to solve existing staircase Main driving always lacks damping, and damping effect is poor, and noise is big, and arrestment mechanism is lacked on main shaft, staircase in the case where shutdown, There are security risk, handrail driving is driven using single-chain, the problem of structural stability difference.A kind of main drive assembly of staircase, packet Include truss, control cabinet, driving mechanism, drive sprocket, driving chain, arrestment mechanism, handrail drive wheel, handrail driving wheel, driving Main shaft, pedestal, main shaft drives wheel, resilient cushion, damping spring and handrail axis, the control cabinet are bolted on the truss right side The top of side；The resilient cushion is bolted on the right side of truss, positioned at the lower section of control cabinet；The pedestal welding In the top of resilient cushion；The damping spring is bolted on the inside of resilient cushion using multiple；The driving machine Structure is bolted on the top of pedestal；The drive sprocket is fixed on the lower section on the right side of driving mechanism by axle sleeve；Institute The driving spindle stated is fixed on the inside of truss by axle sleeve, and both ends are through to the outside of truss；The main shaft drives wheel is adopted With two, the both ends of driving spindle are fixed on by pivot pin, right end is connected by driving chain with drive sprocket；The braking Mechanism is welded on the right side of truss, positioned at the outside of driving spindle；The handrail axis is fixed on the inside of truss by axle sleeve, Both ends are through to the outside of truss；The handrail drive wheel is fixed on the both ends of handrail axis by pivot pin；The handrail passes Driving wheel uses four, is fixed in handrail axis and driving spindle, is connected by driving chain.

The driving mechanism includes motor, brake and reduction gearbox, and the reduction gearbox is bolted on pedestal Top, be connected by conducting wire with control cabinet；The brake is bolted on reduction gearbox and is connected, and passes through conducting wire and control Case processed is connected；The motor is bolted on the top of brake, is connected by conducting wire with control cabinet, selects Y160M- 4 types.

The arrestment mechanism includes casing, electromagnet, spring, brake arm, fixed plate and fixed link, the fixed link It is welded on the top of casing internal；The brake arm is socketed in the middle position of fixed link, positioned at the outside of driving spindle；Institute The spring stated uses two, is socketed in fixed link, between brake arm and casing；The electromagnet is fixed by axle sleeve Top on the inside of brake arm, is connected to the motor by conducting wire；The fixed plate is fixed on inside brake arm by pivot pin Lower section.

It is provided with friction plate on the inside of the brake arm, friction plate is set in the inside of brake arm, effectively avoids making Brake arm is directly contacted with driving spindle during dynamic, prevents the excessive wear of driving spindle and brake arm, improves arrestment mechanism With the service life of driving spindle.

Compared with prior art, the utility model has the following beneficial effects: due to the utility model a kind of staircase master Drive assembly is widely used in staircase equipment technical field.Meanwhile the utility model has the following beneficial effects:

1. in the utility model, the setting of the damping spring, driving mechanism can generate vibration in the process of running, subtract Shake spring plays buffer function to the vibration of generation, improves the driving effect of driving mechanism, reduces in driving mechanism operational process Noise.

2. in the utility model, the setting of the handrail driving wheel carries out handrail transmission using two pairs of handrail driving wheels, Handrail transmission wheel structure stability is improved, handrail is improved and is driven effect.

3. in the utility model, the setting of the arrestment mechanism, when staircase is shut down, electromagnet power loss, brake arm is inside Side rotation, makes friction plate contradict driving spindle, realizes the purpose of braking driving spindle, when staircase power loss, guarantees the safety of staircase Performance.

4. in the utility model, the setting of the brake arm and friction plate is arranged friction plate in the inside of brake arm, has Effect avoids brake arm in braking process from directly contacting with driving spindle, prevents the excessive wear of driving spindle and brake arm, mentions The service life of high arrestment mechanism and driving spindle.

Detailed description of the invention

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

Fig. 2 is the right view of the utility model.

Fig. 3 is the driving mechanism structure schematic diagram of the utility model.

Fig. 4 is the arrestment mechanism structural schematic diagram of the utility model.

In figure:

1, truss, 2, control cabinet, 3, driving mechanism, 31, motor, 32, brake, 33, reduction gearbox, 4, drive sprocket, 5, Driving chain, 6, arrestment mechanism, 61, casing, 62, electromagnet, 63, spring, 64, brake arm, 65, fixed plate, 66, fixed link, 7, handrail drive wheel, 8, handrail driving wheel, 9, driving spindle, 10, pedestal, 11, main shaft drives wheel, 12, shake pad, 13, damping bullet Spring, 14, handrail axis.

Specific embodiment

The utility model is described further below in conjunction with attached drawing:

Embodiment:

As shown in attached drawing 1 to attached drawing 4

The utility model provides a kind of main drive assembly of staircase, including truss 1, control cabinet 2, driving mechanism 3, drive sprocket 4, driving chain 5, arrestment mechanism 6, handrail drive wheel 7, handrail driving wheel 8, driving spindle 9, pedestal 10, main shaft drives wheel 11, Resilient cushion 12, damping spring 13 and handrail axis 14, the control cabinet 2 are bolted on the top on 1 right side of truss；It is described Resilient cushion 12 be bolted on the right side of truss 1, positioned at the lower section of control cabinet 2；The pedestal 10 is welded on damping The top of pad 12；The use of damping spring 13 is multiple, is bolted on the inside of resilient cushion 12；The driving Mechanism 3 is bolted on the top of pedestal 10；The drive sprocket 4 is fixed on 3 right side of driving mechanism by axle sleeve Lower section；The driving spindle 9 is fixed on the inside of truss 1 by axle sleeve, and both ends are through to the outside of truss 1；The master Axis driving wheel 11 uses two, and the both ends of driving spindle 9 are fixed on by pivot pin, and right end passes through driving chain 5 and drive sprocket 4 It is connected；The arrestment mechanism 6 is welded on the right side of truss 1, positioned at the outside of driving spindle 9；The handrail axis 14 passes through Axle sleeve is fixed on the inside of truss 1, and both ends are through to the outside of truss 1；The handrail drive wheel 7 is fixed on by pivot pin to be helped The both ends of hand axis 14；The handrail driving wheel 8 uses four, is fixed on handrail axis 14 and driving spindle 9, passes through transmission chain Item 5 is connected.

In above-described embodiment, specifically, the driving mechanism 3 includes motor 31, brake 32 and reduction gearbox 33, it is described Reduction gearbox 33 be bolted on the top of pedestal 10, be connected by conducting wire with control cabinet 2；The brake 32 passes through Bolt is fixed on reduction gearbox 33 and is connected, and is connected by conducting wire with control cabinet 2；The motor 31 is bolted on brake 32 top is connected by conducting wire with control cabinet 2, and Y160M-4 type is selected.

In above-described embodiment, specifically, the arrestment mechanism 6 includes casing 61, electromagnet 62, spring 63, brake arm 64, fixed plate 65 and fixed link 66, the fixed link 66 are welded on the top inside casing 61；64 sets of the brake arm It connects in the middle position of fixed link 66, positioned at the outside of driving spindle 9；The spring 63 uses two, is socketed in fixed link On 66, between brake arm 64 and casing 61；The electromagnet 62 is fixed on the top of 64 inside of brake arm by axle sleeve, It is connected by conducting wire with motor 31；The fixed plate 65 is fixed on the lower section inside brake arm 64 by pivot pin.

In above-described embodiment, specifically, the inside of the brake arm 64 is provided with friction plate, in the inside of brake arm 64 Friction plate is set, brake arm 64 in braking process is effectively avoided directly to contact with driving spindle 9, prevents driving spindle 9 and system The excessive wear of swing arm 64 improves the service life of arrestment mechanism 6 and driving spindle 9.

Working principle

In the utility model, driving mechanism 3 can generate vibration in the process of running, and the vibration of 13 pairs of damping spring generations rises To buffer function, the driving effect of driving mechanism 3 is improved, the noise in 3 operational process of driving mechanism is reduced, using two pairs of handrails Driving wheel 8 carries out handrail transmission, improves 8 structural stability of handrail driving wheel, improves handrail and is driven effect, when staircase is shut down, electricity 62 power loss of magnet, brake arm 64 turn to the inside, and friction plate is made to contradict driving spindle 9, realize the purpose of braking driving spindle 9, When staircase power loss, guarantee the security performance of staircase, friction plate is set in the inside of brake arm 64, is effectively avoided in braking process Brake arm 64 is directly contacted with driving spindle 9, prevents the excessive wear of driving spindle 9 and brake arm 64, improves 6 He of arrestment mechanism The service life of driving spindle 9.

Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model It encloses.

Claims (4)

1. a kind of main drive assembly of staircase, which is characterized in that the main drive assembly of the staircase, including truss (1), control cabinet (2) drive Motivation structure (3), drive sprocket (4), driving chain (5), arrestment mechanism (6), handrail drive wheel (7), handrail driving wheel (8) drive Dynamic main shaft (9), pedestal (10), main shaft drives wheel (11), resilient cushion (12), damping spring (13) and handrail axis (14), it is described Control cabinet (2) is bolted on the top on the right side of truss (1)；The resilient cushion (12) is bolted on truss (1) right side is located at the lower section of control cabinet (2)；The pedestal (10) is welded on the top of resilient cushion (12)；The damping Spring (13) use is multiple, is bolted on the inside of resilient cushion (12)；The driving mechanism (3) is bolted In the top of pedestal (10)；The drive sprocket (4) is fixed on the lower section on the right side of driving mechanism (3) by axle sleeve；Described Driving spindle (9) is fixed on the inside of truss (1) by axle sleeve, and both ends are through to the outside of truss (1)；The main shaft drives It takes turns (11) and uses two, the both ends of driving spindle (9) are fixed on by pivot pin, right end passes through driving chain (5) and drive sprocket (4) it is connected；The arrestment mechanism (6) is welded on the right side of truss (1), is located at the outside of driving spindle (9)；The handrail Axis (14) is fixed on the inside of truss (1) by axle sleeve, and both ends are through to the outside of truss (1)；The handrail drive wheel (7) The both ends of handrail axis (14) are fixed on by pivot pin；The handrail driving wheel (8) use four, be fixed on handrail axis (14) and In driving spindle (9), it is connected by driving chain (5).

2. the main drive assembly of staircase as described in claim 1, which is characterized in that the driving mechanism (3) includes motor (31), brake (32) and reduction gearbox (33), the reduction gearbox (33) are bolted on the top of pedestal (10), pass through Conducting wire is connected with control cabinet (2)；The brake (32) is bolted on reduction gearbox (33) and is connected, and passes through conducting wire and control Case (2) processed is connected；The motor (31) is bolted on the top of brake (32), passes through conducting wire and control cabinet (2) It is connected, selects Y160M-4 type.

3. the main drive assembly of staircase as described in claim 1, which is characterized in that the arrestment mechanism (6) includes casing (61), electromagnet (62), spring (63), brake arm (64), fixed plate (65) and fixed link (66), the fixed link (66) weldering Connect the top internal in casing (61)；The brake arm (64) is socketed in the middle position of fixed link (66), is located at driving master The outside of axis (9)；The spring (63) uses two, is socketed on fixed link (66), is located at brake arm (64) and casing (61) between；The electromagnet (62) is fixed on the top on the inside of brake arm (64) by axle sleeve, passes through conducting wire and motor (31) it is connected；The fixed plate (65) is fixed on the internal lower section of brake arm (64) by pivot pin.

4. the main drive assembly of staircase as claimed in claim 3, which is characterized in that be provided on the inside of the brake arm (64) Friction plate.