CN218137787U - Tapered roller bearing outer ring puller - Google Patents

Abstract

The utility model discloses a tapered roller bearing outer ring puller, which comprises a shell, wherein a positioning ring is arranged inside the shell, an intermediate shaft outer ring is arranged inside the shell, the intermediate shaft outer ring is attached to the positioning ring, a bar-shaped rod is arranged inside the shell, and the bar-shaped rod is attached to the positioning ring; the one end that the casing was kept away from to the bar is provided with the packing ring, and the upper surface of casing is provided with shoulder nut, and the laminating of shoulder nut and packing ring, shoulder nut's inside threaded connection has the round pin axle of pulling out. Through above-mentioned structure, no matter tapered roller bearing size, the casing is through-hole or blind hole, mainly leaves the shaft shoulder and all can take out, has improved the rate of reprocessing, reduces and scraps the casing risk.

Description

Tapered roller bearing outer ring puller

Technical Field

The utility model relates to a derailleur, new forms of energy field technical field, in particular to tapered roller bearing outer lane draw ma ware.

Background

In the derailleur maintenance process, when the outer lane of tapered roller bearing needs to be changed because of reasons such as tapered roller bearing wearing and tearing, colliding with, dismantle and waste time and energy, still can damage even, fish tail or destroy the casing risk, have following shortcoming at the dismantlement in-process with present extracting tool:

because the bearing hole of the shell is not a through hole and the shaft shoulder is not reserved, the flat head of the crowbar can be extended into the bottom of the tapered roller bearing, the bottom surface of the shell is used as a support to enable the force to upwarp until the outer ring is upwarped, the inner ring of the shell can deform or enlarge due to the uneven stress upwarping mode, the shell cannot be used again, labor is wasted, and the efficiency is low; when a smaller bearing outer ring is encountered, the crowbar cannot find a supporting point in a narrow space and can not be taken out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide tapered roller bearing outer lane and draw the ma ware, no matter tapered roller bearing size, the casing is through-hole or blind hole, mainly leaves the shaft shoulder and all can take out, has improved the rate of reprocessing, reduces and scraps the casing risk.

The utility model discloses still provide and have above-mentioned tapered roller bearing outer lane and draw the horse ware, tapered roller bearing outer lane draws the horse ware, include: the positioning device comprises a shell, a positioning ring is arranged inside the shell, an intermediate shaft outer ring is arranged inside the shell and is attached to the positioning ring, and a bar-shaped rod is arranged inside the shell and is attached to the positioning ring; the one end that the casing was kept away from to the bar pole is provided with the packing ring, and the upper surface of casing is provided with the shoulder nut, and the laminating of shoulder nut and packing ring, the inside threaded connection of shoulder nut has the round pin axle of pulling out, conveniently dismantles tapered roller bearing.

According to tapered roller bearing outer ring draw ma ware, pull out the side surface fixedly connected with handle of round pin axle, conveniently use the device.

According to the tapered roller bearing outer ring puller, clamping rings for shafts are arranged on the surfaces of the two sides of the pulling pin shaft and located below the handle, and the handle can be fixed.

According to the tapered roller bearing outer ring puller, the positioning rings are two symmetrical blocks cut into a whole ring, and the tapered roller bearing can be wrapped.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic view of the internal structure of the tapered roller bearing outer ring puller of the present invention;

fig. 2 is a structural diagram of a portion a in fig. 1 of the tapered roller bearing outer ring lama device of the present invention;

fig. 3 is a front view structure diagram of the tapered roller bearing outer ring puller of the utility model;

fig. 4 is a partial perspective view of the tapered roller bearing outer ring puller of the present invention.

Illustration of the drawings:

1. a housing; 2. positioning rings; 3. an outer ring of the intermediate shaft; 4. a bar-shaped rod; 5. a gasket; 6. a shoulder nut; 7. a collar for the shaft; 8. a handle; 9. and pulling the pin shaft.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1-4, the embodiment of the utility model provides a tapered roller bearing outer lane draws ma ware includes: the utility model provides a housing 1, the inside of casing 1 is provided with position circle 2, position circle 2 is two bisymmetry by whole circle cutting, the inside of casing 1 is provided with jackshaft outer lane 3, and jackshaft outer lane 3 and position circle 2 laminating, the bottom surface shoulder is used for hooking tapered roller jackshaft outer lane 3 thick terminal surface, little excircle cooperates with the little taper circle of tapered roller jackshaft outer lane 3, the inside of casing 1 is provided with bar 4, and bar 4 and position circle 2 laminating, the endotheca has radial support on bar 4, place bar 4 in the middle of position circle 2, its lower part strip face supports position circle 2, guarantee that position circle 2 hugs closely tapered roller jackshaft outer lane 3 when punching, there is a square step in the middle, be two position circle 2 asymmetric displacement of position when punching, bar 4 keeps away from the one end of casing 1 and is provided with packing ring 5, the upper surface of casing 1 is provided with take shoulder nut 6, and packing ring 5 laminating, its effect is that locking bar 4 and position circle 2 binding state does not have not become flexible when punching, the inside threaded connection of taking shoulder nut 6 has round pin shaft 9, the fixed pin 9 of axle pin 9 is connected with the handle 8 that the handle can be used in the handle 8 of handle, the handle can be used in the both sides of 8 of its lower part 8.

The working principle is as follows: when the device is used, the two positioning rings 2 are firstly respectively placed into holes in an outer ring 3 of a conical roller intermediate shaft of the shell 1, two cutting surfaces are parallel and are attached to an inner circle in the outer ring 3 of the conical roller intermediate shaft, the strip-shaped rod 4 is placed in, the strip-shaped surface is aligned to the cutting groove surfaces of the two positioning rings 2 and is placed inwards until a square step can rotate 90 degrees and lift upwards, a nut 6 with a shoulder is arranged on a gasket 5 at this time, then a pin pulling shaft 9 with a handle 8 is connected, the handle is held to repeatedly collide with the shaft shoulder surface of the pin pulling shaft 9 up and down until the outer ring 3 of the conical roller intermediate shaft and the inner ring of the shell 1 fall off, the nut 6 with the shoulder is loosened after the outer ring 3 of the conical roller intermediate shaft is withdrawn, and the outer ring can be taken down.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (4)

1. Tapered roller bearing outer ring draws ma ware, its characterized in that includes:

the middle shaft positioning device comprises a shell (1), wherein a positioning ring (2) is arranged inside the shell (1), a middle shaft outer ring (3) is arranged inside the shell (1), the middle shaft outer ring (3) is attached to the positioning ring (2), a bar-shaped rod (4) is arranged inside the shell (1), and the bar-shaped rod (4) is attached to the positioning ring (2);

the one end that casing (1) was kept away from in bar pole (4) is provided with packing ring (5), and the upper surface of casing (1) is provided with shoulder nut (6), and laminates with shoulder nut (6) and packing ring (5), the inside threaded connection of shoulder nut (6) has pull out round pin axle (9).

2. The tapered roller bearing outer ring puller according to claim 1, wherein a handle (8) is fixedly connected to a side surface of the pulling pin shaft (9).

3. The tapered roller bearing outer ring puller according to claim 1, wherein a shaft collar (7) is arranged on two side surfaces of the pulling pin shaft (9) below the handle (8).

4. The tapered roller bearing outer ring puller according to claim 1, wherein the retainer ring (2) is two symmetrical pieces cut from a whole ring.

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