CN219139625U

CN219139625U - Cylindrical roller bearing for speed changer

Info

Publication number: CN219139625U
Application number: CN202320117587.9U
Authority: CN
Inventors: 熊永顺; 秦美幸; 李宝磊; 燕敬镇
Original assignee: Shandong Liulian Bearing Co ltd
Current assignee: Shandong Liulian Bearing Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-06-06
Anticipated expiration: 2033-02-06

Abstract

The utility model provides a cylindrical roller bearing for a speed changer, which relates to the technical field of speed changer bearings and comprises the following components: a bearing; four circumferentially arranged mounting holes are formed in the inner limit ring of the bearing; the utility model discloses a motor vehicle is characterized by including interior spacing collar, the mounting hole of interior spacing collar is connected with adjusting screw and sealing plug respectively through the screw thread around, after the transmission shaft outside is installed to the bearing, through rotating adjusting screw, can make the piston remove in the mounting hole of interior spacing collar, when the piston moves to the front end, the contact can be in the downthehole removal of sliding motion of effect in the atmospheric pressure, and lock the transmission shaft through the friction surface of contact lower extreme, after long-time use, if become flexible between bearing and the transmission shaft, through continuing to rotate adjusting screw, can convenient and fast's messenger's bearing continue locking transmission shaft, more convenient and fast has solved because the vibration in the car driving, can produce when long-time use between bearing and the car transmission shaft and become flexible, need dismantle and maintain, very loaded down with trivial details problem.

Description

Cylindrical roller bearing for speed changer

Technical Field

The utility model relates to the technical field of speed changer bearings, in particular to a cylindrical roller bearing for a speed changer.

Background

An automotive transmission is a set of devices for coordinating engine speed and wheel speed for helping an engine to perform best; currently, three structural types of bearings, namely a tapered roller bearing, a cylindrical roller bearing and a deep groove ball bearing, with conventional structures are commonly adopted in domestic heavy-duty automobile transmissions; however, in the conventional cylindrical roller bearing at present, due to vibration in the running process of the automobile, the bearing and the automobile transmission shaft are connected by interference fit, and the connection mode can be loosened when being used for a long time, so that the bearing is required to be detached for maintenance, and the connection mode is quite tedious.

Disclosure of Invention

The utility model provides a cylindrical roller bearing for a transmission, which specifically comprises the following components: a bearing; four circumferentially arranged mounting holes are formed in the inner limit ring of the bearing, and threads are respectively formed at the front end and the rear end of the mounting hole of the inner limit ring; the front end and the rear end of the mounting hole of the inner limit ring are respectively connected with an adjusting screw and a sealing plug through threads.

Optionally, a clamping groove is formed in the outer side of the inner limit ring, and rollers which are circumferentially arranged are inserted into the clamping groove of the inner limit ring; an outer limit ring is sleeved on the outer side of the roller, and a retainer is clamped on the outer side of the circumferentially arranged rollers.

Optionally, a linear sliding hole is formed inside the mounting hole of the inner limit ring, and a contact is inserted inside the sliding hole of the inner limit ring.

Optionally, a stud is arranged at the front end of the adjusting screw; the bearing also comprises: a piston; the rear end of the piston is provided with a screw hole, and a stud of an adjusting screw is inserted into the screw hole of the piston; the screw hole of the piston is meshed with the stud of the adjusting screw.

Optionally, a sealing rubber ring is arranged on the outer side of the sealing plug, and a sealing rubber ring is arranged on the outer side of the contact piece; the lower end of the contact piece is provided with a friction surface.

Advantageous effects

In the utility model, after the bearing is arranged on the outer side of the transmission shaft, the piston can move in the mounting hole of the inner limit ring by rotating the adjusting screw, when the piston moves towards the front end, the contact piece can move downwards in the sliding hole under the action of air pressure, the transmission shaft is locked by the friction surface at the lower end of the contact piece, after long-time use, if the bearing is loose with the transmission shaft, the bearing can be continuously locked with the transmission shaft conveniently and rapidly by continuously rotating the adjusting screw, and the transmission shaft is more convenient and rapid.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

The drawings described below are only for illustration of some embodiments of the utility model and are not intended to limit the utility model.

In the drawings:

FIG. 1 shows a schematic perspective view of the whole of a cylindrical roller bearing according to an embodiment of the present utility model;

FIG. 2 shows a schematic perspective cross-sectional view of an outer retainer ring of a cylindrical roller bearing in accordance with an embodiment of the utility model;

FIG. 3 shows a schematic perspective cross-sectional view of an inner retainer ring of a cylindrical roller bearing in accordance with an embodiment of the utility model;

FIG. 4 shows an enlarged partial schematic view at A of FIG. 3 of a cylindrical roller bearing according to an embodiment of the utility model;

fig. 5 shows an enlarged partial schematic view at B shown in fig. 3 of a cylindrical roller bearing according to an embodiment of the present utility model.

List of reference numerals

1. A bearing; 101. an inner limit ring; 1011. an adjusting screw; 1012. a piston; 1013. a sealing plug; 1014. a contact.

102. A roller; 103. an outer limit ring; 104. and a retainer.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model.

Examples: please refer to fig. 1 to 5:

the utility model provides a cylindrical roller bearing for a transmission, which comprises the following components: a bearing 1; four circumferentially arranged mounting holes are formed in the inner limit ring 101 of the bearing 1, and threads are respectively formed at the front end and the rear end of the mounting hole of the inner limit ring 101; the front and rear ends of the mounting hole of the inner limit ring 101 are respectively connected with an adjusting screw 1011 and a sealing plug 1013 through threads.

As shown in fig. 2, a clamping groove is formed on the outer side of the inner limit ring 101, and rollers 102 arranged circumferentially are inserted into the clamping groove of the inner limit ring 101; an outer limit ring 103 is sleeved on the outer side of the roller 102, and a retainer 104 is clamped on the outer side of the circumferentially arranged roller 102; the inner limit ring 101, the rollers 102, the outer limit ring 103 and the retainer 104 together form the main body of the bearing 1 and provide a mounting base for other parts.

As shown in fig. 2, a linear sliding hole is formed inside the mounting hole of the inner limit ring 101, and a contact 1014 is inserted into the sliding hole of the inner limit ring 101; after the bearing 1 is mounted on the outer side of the transmission shaft, the piston 1012 can be moved in the mounting hole of the inner limit ring 101 by rotating the adjusting screw 1011, when the piston 1012 moves towards the front end, the contact 1014 can move downwards in the sliding hole under the action of air pressure, and the transmission shaft is locked by the friction surface at the lower end of the contact 1014, after long-term use, if the bearing 1 loosens with the transmission shaft, the bearing 1 can be continuously locked by continuously rotating the adjusting screw 1011, and the transmission shaft can be more conveniently and rapidly locked.

As shown in fig. 3, a stud is arranged at the front end of the adjusting screw 1011; the bearing 1 further comprises: a piston 1012; the rear end of the piston 1012 is provided with a screw hole, and a stud of an adjusting screw 1011 is inserted into the screw hole of the piston 1012; the screw hole of the piston 1012 is meshed with the stud of the adjusting screw 1011; the movement of the piston 1012 is driven by turning the set screw 1011.

As shown in fig. 3, a sealing rubber ring is arranged on the outer side of the sealing plug 1013, and a sealing rubber ring is arranged on the outer side of the contact 1014; the lower end of the contact 1014 is provided with a friction surface.

Specific use and action of the embodiment: in the utility model, after the bearing 1 is arranged outside the transmission shaft, the piston 1012 moves in the mounting hole of the inner limit ring 101 by rotating the adjusting screw 1011, when the piston 1012 moves towards the front end, the contact 1014 moves downwards in the sliding hole under the action of air pressure, and the transmission shaft is locked by the friction surface at the lower end of the contact 1014, after long-term use, if the gap between the bearing 1 and the transmission shaft is loosened, the bearing 1 can be continuously locked by continuously rotating the adjusting screw 1011 conveniently and rapidly, and the transmission shaft is more convenient and rapid.

The foregoing is merely exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, which is defined by the appended claims.

Claims

1. A cylindrical roller bearing for a transmission, comprising: a bearing (1) and a contact (1014); four circumferentially arranged mounting holes are formed in the inner limit ring (101) of the bearing (1), and threads are formed at the front end and the rear end of the mounting hole of the inner limit ring (101) respectively; the front end and the rear end of the mounting hole of the inner limit ring (101) are respectively connected with an adjusting screw (1011) and a sealing plug (1013) through threads.

2. A cylindrical roller bearing for a transmission according to claim 1, wherein: the outer side of the inner limit ring (101) is provided with a clamping groove, and rollers (102) which are circumferentially arranged are inserted into the clamping groove of the inner limit ring (101); an outer limit ring (103) is sleeved on the outer side of the roller (102), and a retainer (104) is clamped on the outer side of the circumferentially arranged rollers (102).

3. A cylindrical roller bearing for a transmission according to claim 1, wherein: the inner side of the mounting hole of the inner limit ring (101) is provided with sliding holes which are linearly arranged, and a contact (1014) is inserted into the sliding holes of the inner limit ring (101).

4. A cylindrical roller bearing for a transmission according to claim 1, wherein: the front end of the adjusting screw (1011) is provided with a stud; the bearing (1) further comprises: a piston (1012); the rear end of the piston (1012) is provided with a screw hole, and a stud of an adjusting screw (1011) is inserted into the screw hole of the piston (1012); the screw hole of the piston (1012) is meshed with the stud of the adjusting screw (1011).

5. A cylindrical roller bearing for a transmission according to claim 1, wherein: the outer side of the sealing plug (1013) is provided with a sealing rubber ring, and the outer side of the contact piece (1014) is provided with a sealing rubber ring; the lower end of the contact (1014) is provided with a friction surface.