CN211667043U

CN211667043U - Main shaft bearing seat device for escalator or moving sidewalk

Info

Publication number: CN211667043U
Application number: CN202020062444.9U
Authority: CN
Inventors: 付春平
Original assignee: Suzhou Vocational University
Current assignee: Suzhou Vocational University
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-13
Anticipated expiration: 2030-01-13

Abstract

The utility model relates to a main shaft bearing frame device for automatic escalator or moving walk, including bearing base, glib talker, bearing, main shaft, spacing retaining ring, bearing frame end cover and for the axle retaining ring. The bearing is placed in the bearing base, one side of the side edge of the bearing outer ring is attached to the step surface of the inner ring of the bearing base, and the other side of the side edge of the bearing outer ring is attached to the limiting retainer ring. The inner ring of the bearing is matched with the main shaft, a bearing seat end cover and a shaft check ring are respectively fixed on two sides of the bearing inner ring, and the maximum diameter upper surface of the bearing seat end cover is matched with a step on the edge of the bearing base inner ring; one end of the main shaft sequentially penetrates through the shaft check ring, the bearing and the bearing seat end cover from right to left, and the step of the main shaft is in contact with the side face of the shaft check ring. And a lubricating hole is formed in the bearing outer ring and is positioned at the lower end of the mounting hole of the oil nozzle. The utility model discloses a bearing frame device has simple structure easily to process, simple to operate, and the leakproofness is good, characteristics such as lubricity is good.

Description

Main shaft bearing seat device for escalator or moving sidewalk

Technical Field

The utility model relates to an staircase technical field especially relates to a main shaft bearing frame device for automatic escalator or moving walk.

Background

The main shaft of the existing escalator or moving sidewalk generally adopts a shaft and shaft tube combined structure, the shaft tube is connected with the shaft through a bearing, the main shaft is fixed on a truss through a non-rotating shaft, and the shaft tube can rotate along the fixed shaft. The structure is complex, the cost is high, and the manufacturing and assembling difficulty is high. A novel structure of a single rotating shaft is developed at present, because a single main shaft does not comprise a shaft tube structure, the shaft needs to rotate, and a special bearing seat needs to be configured when the shaft is connected with a truss and is used for being fixed on the truss of an escalator or a moving sidewalk.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a safe and reliable, simple structure's a bearing frame device that is used for automatic escalator or moving walk main shaft is provided.

In order to solve the technical problem, the utility model discloses a main shaft bearing frame device for automatic escalator or moving walk, including bearing base, glib talker, bearing, main shaft, spacing retaining ring, bearing frame end cover and for-axis retaining ring. The bearing is placed in the inner ring of the bearing base, one side of the side edge of the bearing outer ring is attached to the step surface of the inner ring of the bearing base, and the other side of the side edge of the bearing outer ring is attached to the limiting retainer ring. The inner ring of the bearing is matched with the main shaft, a bearing seat end cover and a shaft check ring are respectively fixed on two sides of the bearing inner ring, and the maximum diameter upper surface of the bearing seat end cover is matched with a step on the edge of the bearing base inner ring; one end of the main shaft sequentially penetrates through the shaft check ring, the bearing and the bearing seat end cover from right to left, and the step of the main shaft is in contact with the side face of the shaft check ring. And a lubricating hole is formed in the bearing outer ring and is positioned at the lower end of the mounting hole of the oil nozzle. Set up spacing retaining ring, for the shaft retaining ring and bearing frame end cover, cooperate with bearing, bearing base, laminating, make the device have sealed effect.

As an improvement of the utility model, the bearing base is of an integral casting structure.

As an improvement of the present invention, the bearing is a self-aligning roller bearing.

As an improvement of the utility model, the limiting retainer ring is an unclosed elastic retainer ring. The radial direction can generate displacement, and the bearing can be conveniently clamped into the groove of the inner ring of the bearing base, so that the bearing is axially fixed.

As an improvement of the utility model, the device still sets up the bolt, the bearing frame end cover passes through the bolt fastening on the main terminal surface of bearing to guarantee the relative position of bearing and main shaft.

As an improvement of the utility model, the retaining ring for the shaft is formed by machining and is provided with steps with different diameters.

As an improvement of the utility model, set up a wear-resisting rubber seal on the retaining ring for the shaft, wear-resisting rubber seal and the laminating of bearing base terminal surface. The wear-resistant sealing rubber ring for low-speed transmission is arranged, and the overall sealing performance is improved.

As an improvement of the utility model, the mounting hole lower extreme of glib talker still is equipped with a V type recess, V type recess and bearing inner race contact to with the position phase-match of lubrication hole, guarantee to enter into the bearing smoothly when lubricating oil enters into the bearing base recess through the glib talker.

Compared with the prior art, the utility model has the advantages of as follows: 1) the structure is simple, the processing is easy, and the installation is convenient; 2) set up spacing retaining ring, for the shaft retaining ring and bearing frame end cover, cooperate with bearing, bearing base, laminating, make the device have sealed effect. 3) A wear-resistant sealing rubber ring for low-speed transmission is arranged, so that the overall sealing performance of the device is improved; 4) the oil nozzle and the V-shaped groove are arranged, lubricating oil infiltrates the whole bearing through the groove, and the service life of the bearing is effectively prolonged.

Drawings

Fig. 1 is a schematic view of an installation structure of a main shaft bearing seat device for an escalator or a moving sidewalk according to the present invention;

fig. 2 is an explosion analysis diagram of the main shaft bearing seat device for the escalator or the moving sidewalk according to the present invention;

in the figure: 1. a bearing mount; 2. a bearing block end cover; 3. a nozzle tip; 4. a retainer ring for a shaft; 5. a bearing; 6. a limit retainer ring; 7. a wear-resistant rubber seal ring; 8. a main shaft; 9. a bolt; 10. a lubrication hole; 11. v-shaped grooves.

The specific implementation mode is as follows:

for the purpose of enhancing the understanding of the present invention, the following detailed description is made with reference to the accompanying drawings.

Example 1: referring to fig. 1 and 2, a main shaft bearing seat device for an escalator or a moving walk, a bearing 5 is placed in an inner ring of a bearing base 1, one side of the side edge of an outer ring of the bearing 5 is attached to the step surface of the inner ring of the bearing base 1, and the other side of the side edge of the outer ring of the bearing 5 is attached to a limiting elastic retainer ring 6, so that the relative position of the bearing base 1 and the bearing 5 is ensured. The inner ring of the bearing 5 is matched with a main shaft 8, a bearing seat end cover 2 and a shaft retainer ring 4 are respectively fixed on two sides of the inner ring of the bearing 5, and the maximum diameter upper surface of the bearing seat end cover 2 is matched with a step on the edge of the inner ring of the bearing base 1; one end of the main shaft 8 sequentially penetrates through the shaft check ring 4, the bearing 5 and the bearing seat end cover 2 from right to left, and the step of the main shaft 8 is contacted with the side surface of the shaft check ring 4; the upper end of the bearing base 1 is provided with a mounting hole for mounting the oil nozzle 3, the outer ring of the bearing 5 is provided with a lubricating hole 10, and the lubricating hole 10 is positioned at the lower end of the mounting hole for mounting the oil nozzle 3 and plays a role in lubricating the bearing.

The bearing base 1 is of an integral casting structure.

The bearing 5 is a self-aligning roller bearing.

The limiting retainer ring 6 is an unclosed elastic retainer ring. The radial direction can generate displacement, and the bearing can be conveniently clamped into a groove of an inner ring of the bearing base 1, so that the bearing 5 is axially fixed.

The device is also provided with a bolt 9, and the bearing seat end cover 2 can be fixed on the main end surface of the bearing 5 through the bolt 9 so as to ensure the relative position of the bearing 5 and the main shaft 8.

The shaft retainer ring 4 is formed by machining and provided with steps with different diameters.

The bearing is characterized in that the shaft retainer ring 4 is provided with a wear-resistant rubber seal ring 7, and the wear-resistant rubber seal ring 7 is attached to the end face of the bearing base 1, so that the overall sealing performance is improved.

The lower end of the mounting hole of the oil nozzle 3 is also provided with a V-shaped groove 11, the V-shaped groove 11 is in contact with the outer ring of the bearing 5 and is matched with the position of the lubricating hole 10, and lubricating oil can smoothly enter the bearing when entering the groove of the bearing base 1 through the oil nozzle 3.

When the bearing is installed, the bearing 5 is firstly placed in the inner ring of the bearing base 1, the position of the V-shaped groove 11 opposite to the lubricating hole 10 is noticed, and then the inner ring of the bearing 5 is matched and connected with the main shaft 8. The limiting elastic check ring 6 is attached to the outer ring of the bearing seat 5, then the bearing seat end cover 2 is fixed on the inner ring of the bearing 5, the upper surface of the maximum diameter of the bearing seat end cover 2 is matched with the step at the edge of the inner ring of the bearing base 1, and the bearing seat end cover 2 is fixed on the main end face of the bearing 5 through the bolt 9. And then after the wear-resistant sealing ring 7 is attached to the shaft check ring 4, the shaft check ring 4 is fixed on the right side of the inner ring of the bearing 5.

Finally, it should be noted that: the technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a main shaft bearing frame device for automatic escalator or moving walk, includes bearing base (1), glib talker (3), bearing (5), main shaft (8), place in the inner circle of bearing base (1) bearing (5), its characterized in that: the device also comprises a limiting retainer ring (6), a shaft retainer ring (4) and a bearing seat end cover (2), wherein one side of the side edge of the outer ring of the bearing (5) is attached to the step surface of the inner ring of the bearing base (1), and the other side of the side edge of the outer ring of the bearing is attached to the limiting retainer ring (6); the inner ring of the bearing (5) is matched with the main shaft (8), a bearing seat end cover (2) and a shaft check ring (4) are respectively fixed on two sides of the inner ring of the bearing (5), and the upper surface of the maximum diameter of the bearing seat end cover (2) is matched with a step on the edge of the inner ring of the bearing base (1); one end of the main shaft (8) sequentially penetrates through the shaft check ring (4), the bearing (5) and the bearing seat end cover (2) from right to left, and a step of the main shaft (8) is in contact with the side face of the shaft check ring (4); and a lubricating hole (10) is formed in the outer ring of the bearing (5), and the lubricating hole (10) is located at the lower end of the mounting hole of the oil nozzle (3).

2. A spindle bearing housing arrangement for escalators or moving walkways according to claim 1, wherein: the bearing base (1) is of an integral casting structure.

3. A spindle bearing housing arrangement for escalators or moving walkways according to claim 1, wherein: the bearing (5) is a self-aligning roller bearing.

4. A spindle bearing housing arrangement for escalators or moving walkways according to claim 1, wherein: the limiting retainer ring (6) is an unclosed elastic retainer ring.

5. A spindle bearing housing arrangement for escalators or moving walkways according to claim 1, wherein: the device is further provided with a bolt (9), and the bearing seat end cover (2) is fixed on the main end face of the bearing (5) through the bolt (9).

6. A spindle bearing housing arrangement for escalators or moving walkways according to claim 1, wherein: the shaft retainer ring (4) is formed by machining and is provided with steps with different diameters.

7. A spindle bearing housing arrangement for escalators or moving walkways according to claim 6, wherein: the bearing is characterized in that a wear-resistant rubber sealing ring (7) is arranged on the shaft check ring (4), and the wear-resistant rubber sealing ring (7) is attached to the end face of the bearing base (1).

8. A spindle bearing housing arrangement for escalators or moving walkways according to claim 6, wherein: the lower end of the mounting hole of the oil nozzle (3) is also provided with a V-shaped groove (11), and the V-shaped groove (11) is in contact with the outer ring of the bearing (5) and is matched with the position of the lubricating hole (10).