A bearing housing for mounting an escalator upper drive shaft

Abstract

The utility model provides a bearing seat for installing the upper drive shaft of escalator, including base, the base is installed with upper cover, is provided with the mounting hole between base and upper cover, is installed with bearing, sealing ring and shaft end cover in the mounting hole, bearing, sealing ring and shaft end cover coaxial arrangement, bearing is located between sealing ring and shaft end cover bearing seat. This bearing seat passes through the adjustment existing product bearing installation position, will set in the outermost two head position of upper drive shaft, and adopts bearing seat fixed, realizes the thorough protection to bearing, prolongs the service life, facilitates daily maintenance, reduces maintenance difficulty and expense.

Description

Technical Field

[0001] This utility model belongs to the field of elevator equipment, and specifically relates to a bearing housing for installing the upper drive shaft of an escalator. Background Technology

[0002] Currently, the escalator and elevator industry has developed rapidly in recent years. As special equipment, the quality of escalators and elevators is of paramount importance. The upper drive assembly is the core component of an escalator, and the quality of the upper sprocket assembly is even more critical. Currently, many escalators operate outdoors and in harsh environments under complex conditions, leading to some escalators experiencing downtime or damage within the warranty period. Inspections have revealed that most failures stem from bearing damage; however, in existing designs, the bearing installation location is unique, and on-site construction conditions are limited, making it impossible to replace the bearing alone. The only solution is to replace the entire upper sprocket assembly, resulting in high maintenance costs and a cumbersome repair process.

[0003] Therefore, in view of the shortcomings of the above-mentioned solutions in actual manufacturing and implementation, a bearing housing for installing the upper drive shaft of an escalator is provided to solve the above-mentioned technical problems. Utility Model Content

[0004] This invention proposes a bearing housing for installing the upper drive shaft of an escalator, which solves the problems in the prior art.

[0005] The technical solution of this utility model is as follows: a bearing housing for installing the upper drive shaft of an escalator includes a base, a top cover is installed on the base, an installation hole is provided between the base and the top cover, a bearing, a sealing ring and a shaft end cover are installed in the installation hole, the bearing, the sealing ring and the shaft end cover are coaxially arranged, and the bearing is located between the sealing ring and the shaft end cover.

[0006] In a preferred embodiment, the mounting hole sidewall is provided with a mounting groove, the mounting groove is provided with a ring groove and a cover groove respectively, the bearing is installed in the mounting groove, the sealing ring is installed in the ring groove, and the shaft end cover is installed in the cover groove.

[0007] In a preferred embodiment, the inner wall of the mounting hole is further provided with a limiting groove, which is located between the cover groove and the mounting groove, and a limiting ring is installed in the limiting groove.

[0008] In a preferred embodiment, the base includes a base body, the top cover is detachably mounted on the base body, and the base body has side ends on both sides, with connection holes on the side ends.

[0009] In a preferred embodiment, the base body has a first connecting end on both sides and the top cover has a second connecting end on both sides. The first connecting end and the second connecting end are equipped with positioning components, and the first connecting end and the second connecting end are fixedly connected by the positioning components.

[0010] In a preferred embodiment, the first connecting end is provided with a threaded hole, the second connecting end is provided with a through hole, and the bottom of the positioning component passes through the through hole and is threaded into the threaded hole.

[0011] In a preferred embodiment, the positioning component is a positioning bolt.

[0012] In a preferred embodiment, a positioning pin is installed on the top of the base body, and a positioning hole is provided on the bottom of the upper cover. The positioning hole corresponds to the position of the positioning pin, and the positioning pin is slidably installed in the positioning hole.

[0013] After adopting the above technical solution, the beneficial effects of this utility model are as follows: This utility model discloses a bearing housing for installing the upper drive shaft of an escalator. By adjusting the bearing installation position of the existing product, it is set at the outermost two ends of the upper drive shaft and fixed with the bearing housing, thus achieving complete protection of the bearing, extending its service life, facilitating daily maintenance, and reducing maintenance difficulty and cost. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the base structure of this utility model; Figure 3 This is a partial structural diagram of the present invention; Figure 4 This is a partial structural diagram of the present invention; Figure 5 This is a cross-sectional structural diagram of the present invention; Figure 6 This is a schematic diagram of the structure of the present invention in use.

[0016] In the diagram, 1. Base; 11. Side end; 1101. Connecting hole; 12. Base body; 1201. Ring groove; 1202. Mounting groove; 1203. Limiting groove; 1204. Cover groove; 1205. Positioning hole; 13. First connecting end; 1301. Threaded hole; 2. Top cover; 3. Positioning bolt; 4. Shaft end cover; 5. Limiting ring; 6. Bearing; 7. Sealing ring. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figure 1 As shown, a bearing housing for installing the upper drive shaft of an escalator includes a base 1, a top cover 2 mounted on the base 1, an installation hole provided between the base 1 and the top cover 2, a bearing 6, a sealing ring 7 and a shaft end cover 4 installed in the installation hole, the bearing 6, the sealing ring 7 and the shaft end cover 4 being coaxially arranged, and the bearing 6 being located between the sealing ring 7 and the shaft end cover 4.

[0019] enter Figures 2 to 5 As shown, the mounting hole sidewall is provided with a mounting groove 1202, and the mounting groove 1202 is provided with a ring groove 1201 and a cover groove 1204 respectively. The bearing 6 is installed in the mounting groove 1202, the sealing ring 7 is installed in the ring groove 1201, and the shaft end cover 4 is installed in the cover groove 1204.

[0020] In this embodiment, the sealing ring 7 is a lip sealing ring.

[0021] The inner wall of the mounting hole is also provided with a limiting groove 1203, which is located between the cover groove 1204 and the mounting groove 1202. A limiting ring 5 is installed in the limiting groove 1203.

[0022] The base 1 includes a base body 12, and the top cover 2 is detachably installed on the base body 12. The base body 12 has side ends 11 on both sides, and the side ends 11 are provided with connection holes 1101.

[0023] The base body 12 has a first connecting end 13 on both sides, and the top cover 2 has a second connecting end on both sides. The first connecting end 13 and the second connecting end are equipped with positioning components, and the first connecting end 13 and the second connecting end are fixedly connected by the positioning components.

[0024] The first connecting end 13 is provided with a threaded hole 1301, and the second connecting end is provided with a through hole. The bottom of the positioning component passes through the through hole and is threaded into the threaded hole 1301.

[0025] In this embodiment, the positioning component is the positioning bolt 3.

[0026] The base body 12 has a positioning pin installed on its top, and the top cover 2 has a positioning hole 1205 at its bottom. The positioning hole 1205 corresponds to the position of the positioning pin, and the positioning pin is slidably installed in the positioning hole 1205.

[0027] like Figure 6 As shown, the bearing 6 seat used for installing the upper drive shaft of the escalator installs the bearing 6 at the outermost two ends of the upper drive shaft, replacing the original clamping parts and replacing their original function; the bearing 6 is installed at both ends of the main shaft and connected to the upper drive shaft, and is fixed in the placement groove of the bearing 6 seat. The upper cover 2, shaft end cover 4, base 1, and lip seal 7 form an overall protection for the bearing 6.

[0028] The base 1 has two pre-drilled connection holes 1101 on both sides for installation on the escalator truss, which can be fixed on the truss. The base 1 is provided with various grooves that are compatible with the bearing 6, shaft end cover 4, lip seal ring 7, etc. The base 1 and the upper cover 2 have pre-drilled pin positioning holes 1205. The upper cover 2 and the base 1 are fixed to the two ends of the shaft by positioning bolts 3, covering the outside of the bearing 6 to form a sealed protection and prevent dust, moisture and other impurities from entering the bearing 6.

[0029] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A bearing housing for mounting the upper drive shaft of an escalator, characterized in that, Includes a base (1), on which a top cover (2) is mounted. An installation hole is provided between the base (1) and the top cover (2). A bearing (6), a sealing ring (7) and a shaft end cover (4) are installed in the installation hole. The bearing (6), the sealing ring (7) and the shaft end cover (4) are coaxially arranged. The bearing (6) is located between the sealing ring (7) and the shaft end cover (4).

2. A bearing housing for mounting the upper drive shaft of an escalator according to claim 1, characterized in that, The inner wall of the mounting hole is provided with a mounting groove (1202), and the mounting groove (1202) is provided with a ring groove (1201) and a cover groove (1204). The bearing (6) is installed in the mounting groove (1202), the sealing ring (7) is installed in the ring groove (1201), and the shaft end cover (4) is installed in the cover groove (1204).

3. A bearing housing for mounting the upper drive shaft of an escalator according to claim 2, characterized in that, The inner wall of the mounting hole is also provided with a limiting groove (1203), which is located between the cover groove (1204) and the mounting groove (1202). A limiting ring (5) is installed in the limiting groove (1203).

4. A bearing housing for mounting the upper drive shaft of an escalator according to claim 1, characterized in that, The base (1) includes a base body (12), and the upper cover (2) is detachably installed on the base body (12). The base body (12) has side ends (11) on both sides, and the side ends (11) are provided with connecting holes (1101).

5. A bearing housing for mounting the upper drive shaft of an escalator according to claim 4, characterized in that, The base body (12) is provided with a first connecting end (13) on both sides, and the upper cover (2) is provided with a second connecting end on both sides. The first connecting end (13) and the second connecting end are equipped with positioning components, and the first connecting end (13) and the second connecting end are fixedly connected by the positioning components.

6. A bearing housing for mounting the upper drive shaft of an escalator according to claim 5, characterized in that, The first connecting end (13) is provided with a threaded hole (1301), and the second connecting end is provided with a through hole. The bottom of the positioning component passes through the through hole and is threaded into the threaded hole (1301).

7. A bearing housing for mounting the upper drive shaft of an escalator according to claim 6, characterized in that, The positioning component is a positioning bolt (3).

8. A bearing housing for mounting the upper drive shaft of an escalator according to claim 4, characterized in that, The base body (12) is equipped with a positioning pin on the top and a positioning hole (1205) is provided at the bottom of the upper cover (2). The positioning hole (1205) corresponds to the position of the positioning pin and the positioning pin is slidably installed in the positioning hole (1205).

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