CN215059005U - Step coupling of escalator - Google Patents

Abstract

The utility model discloses an escalator step coupling, which relates to the field of couplings and provides a scheme aiming at the problems of simple structure and no protective device of the existing escalator step coupling, wherein the scheme comprises a driving shaft, a first half coupling, a second half coupling and a driven shaft, mounting holes which have the same structure and are distributed in an annular array are arranged at one side of the first half coupling opposite to the second half coupling, and a fixed structure which has the same structure and is symmetrically distributed is arranged between the first half coupling and the second half coupling; and a driving shaft and a driven shaft are respectively arranged on the opposite sides of the first half coupling and the second half coupling in a sliding manner. The utility model discloses novel structure, and the device passes through protector's setting, plays the effect of protecting first half-coupling and second coupling, avoids first half-coupling and second coupling directly to expose in the air, and long-time the use receives the damage, has improved the life of device greatly.

Description

Step coupling of escalator

Technical Field

The utility model relates to a shaft coupling field especially relates to an automatic staircase step shaft coupling.

Background

The coupling is a device which connects two shafts or a shaft and a rotating part, rotates together in the process of transmitting motion and power and does not separate under normal conditions, and sometimes is used as a safety device for preventing the connected parts from bearing overlarge load to play a role in overload protection.

However, the existing escalator step coupling is simple in structure and free of a protection device, the coupling is exposed outside after being used for a long time, the coupling is easy to damage, and the service life of the device is shortened. Therefore, to solve the above problems, we propose an escalator step coupling.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic escalator step shaft coupling has solved current automatic escalator step shaft coupling simple structure and does not have protector's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the escalator step coupling comprises a driving shaft, a first half coupling, a second half coupling and a driven shaft, wherein mounting holes which are identical in structure and distributed in an annular array are formed in one opposite side of the first half coupling and one opposite side of the second half coupling, and fixing structures which are identical in structure and distributed symmetrically are arranged between the first half coupling and the second half coupling;

a driving shaft and a driven shaft are respectively installed on the opposite sides of the first half coupling and the second half coupling in a sliding mode, and clamping structures with the same structure are arranged between the driving shaft and the first half coupling and between the driven shaft and the second half coupling;

the first half coupling and the second half coupling are provided with protective devices with the same structure on the circumferential side walls.

Preferably, the fixed knot constructs including fixing bolt and fixation nut, and is two sets of the mounting hole one-to-one distributes, just all install the same fixing bolt of structure in the mounting hole, the equal thread bush in fixing bolt one end is equipped with the same fixation nut of structure, just the equal slidable mounting of fixing bolt circumference lateral wall has the same backing ring of structure.

Preferably, the screens structure includes fixed block and fixed slot, the driving shaft is close to first half-coupling one end and the driven shaft is close to the equal fixed mounting of second half-coupling one end circumference lateral wall has two fixed blocks that the structure is the same and be symmetric distribution, just the homonymy has all been seted up to first half-coupling and the opposite one end of second half-coupling fixed block assorted fixed slot.

Preferably, protector includes protecting frame, supplementary pipe, accomodates groove and spring, the equal slidable mounting of the opposite one end of first half-coupling and second half-coupling has the same protecting frame of structure, and two the groove of accomodating that the structure is the same is all seted up to the opposite one side of protecting frame, two accomodate the equal slidable mounting in the inslot has the same supplementary pipe of structure, and two accomodate one side inner wall and the homonymy that the groove was kept away from each other equal fixed mounting has the structure the same and is the spring that the annular array distributes, two between the supplementary pipe the equal fixed mounting of one side that the supplementary pipe is relative has the same rubber pad of structure, and two all be equipped with the same locking structure of structure between protecting frame and first half-coupling and the second half-coupling.

Preferably, the locking structure includes the screw ring and supports the position ring, the equal slidable mounting of the opposite one end of first half-coupling and second half-coupling has the same position ring that supports of structure, just the equal thread bush of the opposite one end of first half-coupling and second half-coupling is equipped with the screw ring, the opposite one end of first half-coupling and second half-coupling has all been seted up and has had a pigeon together the screw ring assorted thread tooth, just two it all is located the homonymy to support the position ring in the protective frame.

Preferably, the same mounting groove that just is the annular array and distributes of structure is all seted up to first half-coupling and the relative one side of second half-coupling, just equal fixed mounting has the shock pad that the structure is the same in the mounting groove, and is two sets of the mounting groove is the dislocation distribution.

The utility model has the advantages that:

1. through the setting of shock pad, play and subdue first half-coupling and second coupling and produce the power of shaking, reach protection device's effect, and through fixed knot structure's setting, utilize fixing bolt and fixation nut spiral shell to close, play the effect of fixed first half-coupling and second half-coupling, improved the stability of device, through the setting of screens structure, the staff's of being convenient for dismouting first half-coupling and second coupling have improved work efficiency greatly.

2. Through the setting of protector, utilize the setting of protective frame, supplementary pipe and spring, play the effect of protection first half-coupling and second coupling, avoid first half-coupling and second coupling directly to expose in the air, use for a long time and make the device receive the damage and rust, improved the life of device greatly.

In conclusion, the device novel structure through protector's setting, plays the effect of protection first half-coupling and second coupling, avoids first half-coupling and second coupling directly to expose in the air, and long-time the use receives the damage, has improved the life of device greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an exploded view of the protective device of the present invention;

fig. 4 is a schematic structural view of the first coupling half and the second coupling half of the present invention;

fig. 5 is an exploded view of the locking structure of the present invention.

Reference numbers in the figures: 1. a drive shaft; 2. a threaded ring; 3. a protective frame; 4. a replenishing pipe; 5. a driven shaft; 6. fixing the bolt; 7. a second coupling half; 8. a first half coupling; 9. a receiving groove; 10. a spring; 11. a position-resisting ring; 12. a fixed block; 13. a shock pad; 14. mounting grooves; 15. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, an escalator step coupling comprises a driving shaft 1, a first half coupling 8, a second half coupling 7 and a driven shaft 5, wherein mounting holes 15 which are identical in structure and distributed in an annular array are formed in one side, opposite to the first half coupling 8 and the second half coupling 7, of each of the first half coupling 8 and the second half coupling 7, and fixing structures which are identical in structure and distributed symmetrically are arranged between the first half coupling 8 and the second half coupling 7;

a driving shaft 1 and a driven shaft 5 are respectively installed on the opposite sides of the first half coupling 8 and the second half coupling 7 in a sliding mode, and clamping structures with the same structure are arranged between the driving shaft 1 and the first half coupling 8 and between the driven shaft 5 and the second half coupling 7;

the first half coupling 8 and the second half coupling 7 are provided with protective devices with the same structure on the circumferential side walls.

Referring to fig. 4-5, the fixing structure includes fixing bolt 6 and fixing nut, two sets of mounting holes 15 are distributed in a one-to-one correspondence manner, fixing bolt 6 with the same structure is installed in mounting hole 15, fixing nut with the same structure is threaded on one end of fixing bolt 6, and backing rings with the same structure are installed on the circumferential side wall of fixing bolt 6 in a sliding manner.

The screens structure includes fixed block 12 and fixed slot, and driving shaft 1 is close to 8 one ends of first half-coupling and driven shaft 5 and is close to the equal fixed mounting of 7 one end circumference lateral walls of second half-coupling has two fixed blocks 12 that the structure is the same and be symmetric distribution, and the homonymy fixed block 12 assorted fixed slot has all been seted up to the opposite one end of first half-coupling 8 and second half-coupling 7.

When the device is used, a worker places the fixed block 12 at one end, opposite to the driving shaft 1 and the driven shaft 5, of the driving shaft 1 and the driven shaft 5 in the fixed groove formed in one end, opposite to the second half-coupling 7, of the first half-coupling 8 and the second half-coupling 7 respectively, the worker can conveniently disassemble and assemble the first half-coupling 8 and the second half-coupling 7, the worker can conveniently fix the first half-coupling 8 and the second half-coupling 7 in the mounting hole 15 formed in one side, opposite to the first half-coupling 8 and the second half-coupling 7, meanwhile, the worker can fix the fixing nut with the fixing bolt 6 in a screwing mode, the effect of fixing the first half-coupling 8 and the second half-coupling 7 is achieved, the cushion ring is sleeved on the side wall of the circumference of the fixing bolt 6, and the stability of the device is greatly improved.

Referring to fig. 1-3, the protection device includes protective frame 3, supplementary pipe 4, accomodate groove 9 and spring 10, the equal slidable mounting of the opposite one end of first half-coupling 8 and second half-coupling 7 has protective frame 3 that the structure is the same, and the accomodating groove 9 that the structure is the same is all seted up to two relative one sides of protective frame 3, equal slidable mounting has supplementary pipe 4 that the structure is the same in two accomodating grooves 9, and two accomodate between one side inner wall that groove 9 kept away from each other and homonymy supplementary pipe 4 equal fixed mounting have the structure the same and be spring 10 that the annular array distributes, the equal fixed mounting in two relative one sides of supplementary pipe 4 has the same rubber pad of structure, and all be equipped with the same locking structure of structure between two protective frame 3 and first half-coupling 8 and the second half-coupling 7.

The locking structure includes that the screw thread ring 2 with support a ring 11, the equal slidable mounting of the opposite one end of first half-coupling 8 and second half-coupling 7 has the same ring 11 that supports of structure, and the equal thread bush of the opposite one end of first half-coupling 8 and second half-coupling 7 is equipped with screw thread ring 2, first half-coupling 8 and the opposite one end of second half-coupling 7 all seted up with 2 assorted screw thread of the pigeon thread ring in city, and two support a ring 11 and all be located homonymy protective frame 3.

The same mounting groove 14 that just is the annular array and distributes is all seted up to the relative one side of first half-coupling 8 and second half-coupling 7, and equal fixed mounting has the shock pad 13 that the structure is the same in the mounting groove 14, and two sets of mounting grooves 14 are the dislocation distribution.

And the staff installs two protective frame 3 in the opposite one end of first half-coupling 8 and second half-coupling 7 respectively in a sliding manner, simultaneously the staff cooperatees through threaded ring 2 and position-supporting ring 11, play the effect of fixed protective frame 3, and two supplement pipe 4 closely laminate under the effect of homonymy spring 10, play the effect of first half-coupling 8 and second half-coupling 7, prevent that first half-coupling 8 and second half-coupling 7 from when using, directly exposing in the air, long-time use is easily received damage or rust, influence the result of use, the life of device has greatly been improved, and be equipped with shock pad 13 between protective first half-coupling 8 and the second half-coupling 7, play and eliminate the oscillating force that produces when first half-coupling 8 and second half-coupling 7 operate, the security and the practicality of device have been improved greatly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The escalator step coupling comprises a driving shaft (1), a first half coupling (8), a second half coupling (7) and a driven shaft (5), and is characterized in that mounting holes (15) which are identical in structure and distributed in an annular array are formed in one side, opposite to the first half coupling (8) and the second half coupling (7), of each of the mounting holes, and fixing structures which are identical in structure and distributed symmetrically are arranged between the first half coupling (8) and the second half coupling (7);

a driving shaft (1) and a driven shaft (5) are respectively installed on the opposite sides of the first half coupling (8) and the second half coupling (7) in a sliding mode, and clamping structures with the same structure are arranged between the driving shaft (1) and the first half coupling (8) and between the driven shaft (5) and the second half coupling (7);

the first half coupling (8) and the second half coupling (7) are provided with protective devices with the same structure on the circumferential side walls.

2. The escalator step coupling according to claim 1, wherein the fixing structure comprises fixing bolts (6) and fixing nuts, two sets of the mounting holes (15) are distributed in a one-to-one correspondence manner, the fixing bolts (6) with the same structure are installed in the mounting holes (15), one end of each fixing bolt (6) is threaded with the fixing nut with the same structure, and the circumferential side wall of each fixing bolt (6) is slidably provided with the backing ring with the same structure.

3. The escalator step coupling according to claim 1, wherein the clamping structure comprises fixing blocks (12) and fixing grooves, two fixing blocks (12) which are the same in structure and are symmetrically distributed are fixedly mounted on the circumferential side wall of one end of the driving shaft (1) close to the first half coupling (8) and one end of the driven shaft (5) close to the second half coupling (7), and the fixing grooves matched with the fixing blocks (12) are formed in the opposite ends of the first half coupling (8) and the second half coupling (7) at the same side.

4. The escalator step coupling according to claim 1, wherein the protection device comprises a protection frame (3), a supplement pipe (4), a storage groove (9) and a spring (10), the protection frame (3) with the same structure is slidably mounted at one end of the first half coupling (8) opposite to the second half coupling (7), the storage grooves (9) with the same structure are formed at one side of the two protection frames (3) opposite to each other, the supplement pipe (4) with the same structure is slidably mounted in the two storage grooves (9), the springs (10) which are the same structure and distributed in an annular array are fixedly mounted between the inner wall of one side of the two storage grooves (9) far away from each other and the supplement pipe (4) at the same side, and the rubber pads with the same structure are fixedly mounted at one side of the two supplement pipes (4) opposite to each other, and two locking structures with the same structure are arranged between the protective frame (3) and the first half coupling (8) and between the protective frame and the second half coupling (7).

5. The escalator step coupling according to claim 4, characterized in that, locking structure includes threaded ring (2) and offset ring (11), the equal slidable mounting of the opposite one end of first half-coupling (8) and second half-coupling (7) has the same offset ring (11) of structure, just the equal thread bush of the opposite one end of first half-coupling (8) and second half-coupling (7) is equipped with threaded ring (2), the opposite one end of first half-coupling (8) and second half-coupling (7) all seted up with the dove in city threaded ring (2) assorted thread tooth, just two offset ring (11) all are located the homonymy in guard frame (3).

6. The escalator step coupling according to claim 1, wherein the opposite sides of the first half coupling (8) and the second half coupling (7) are respectively provided with mounting grooves (14) which have the same structure and are distributed in an annular array, shock-absorbing pads (13) which have the same structure are fixedly mounted in the mounting grooves (14), and the two mounting grooves (14) are distributed in a staggered manner.

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