CN208561463U - A kind of crane wheel group - Google Patents

Abstract

The utility model discloses a kind of crane wheel groups, belong to and is related to crane facility field, it includes wheel, axletree and the bearing for being set on axletree and being located at wheel two sides, it is pyramidal structure at the position of axletree and bearing fit, the small end of axletree pyramidal structure is equipped with the stopper section of limitation bearing axial movement；It is taper that wheel, which is set in the inner hole on axletree, and axletree matches with the outer dimension at the cooperation position of wheel with the cone-shaped inner hole of wheel, and the limiting section for pressing against the axial movement of wheel inner holes small end side block wheel is equipped between wheel and bearing.The utility model overcomes the bearing and axletree of prior art press fitting or hot charging, dismantles difficult defect between wheel and axletree；The stability connected between bearing, wheel and axletree is not influenced simultaneously, it is time saving and energy saving.

Description

A kind of crane wheel group

Technical field

The utility model relates to crane facility field more particularly to a kind of crane wheel groups.

Background technique

Wheel group is for supporting crane and load, and the device of reciprocal running in orbit.Conventional hoist Bearing, wheel piece, axis catcher of wheel group etc. are installed by press fitting or hot-assembling method, and bearing chamber is monolithic construction, when it In a certain part such as bearing, wheel piece etc. be damaged when needing replacing, wheel group can only integrally be removed, be sent to tool car Between, wheel group is dismantled by the large-scale ancillary equipment such as press machine, is re-assemblied after replacing impaired components, then be transported to using position It sets, it is time-consuming and laborious.

Summary of the invention

For deficiency existing for above-mentioned background technique, the utility model proposes a kind of quick-detachable crane wheels Group, to solve the problems, such as that it is time-consuming and laborious that existing wheel group is dismantled.

In order to achieve the above object, the utility model mainly provides the following technical solutions:

A kind of crane wheel group including wheel, axletree and is set in the bearing on axletree and positioned at wheel two sides, It is pyramidal structure at the position of the axletree and bearing fit, the small end of axletree pyramidal structure is equipped with limitation bearing and axially moves Dynamic stopper section；The wheel is set in the inner hole on axletree for taper, at the cooperation position of the axletree and wheel Outer dimension matches with the cone-shaped inner hole of wheel, is equipped between the wheel and bearing and presses against one side block of wheel inner holes small end The only limiting section of wheel axial movement.

It the purpose of this utility model and solves its technical problem also following technical measures can be used to further realize.

Preferably, the stopper section is the sleeve being set on axletree, the bearing is set on sleeve.

Preferably, the limiting section is the axle sleeve being set on axletree, the axle sleeve is equipped with close to one end of wheel Card sets the extension side for pressing against wheel side, and the other end of axle sleeve presses against on stopper section.

Preferably, the pyramidal structure on axletree with two sides bearing fit is disposed opposite to each other, the small end of pyramidal structure is remote It is arranged from wheel.

Preferably, the bearing outer sheath is equipped with bearing housing, the bearing housing split settings, bearing housing and bearing two sides Bearing cap be fixedly connected.

Preferably, being connected by key between the wheel and axletree.

The utility model has the beneficial effects that the utility model proposes a kind of fast quick-detach type wheel group, bearing and wheel The pyramidal structure to match is equipped at the cooperation position of axis, the small end of pyramidal structure is equipped with the backstop of limitation bearing axial movement Portion；Mating surface between wheel and axletree is also tapered surface, and is moved axially with limiting section limiting wheel；Which overcome existing The bearing and axletree of technology press fitting or hot charging dismantle difficult defect between wheel and axletree；Bearing, vehicle are not influenced simultaneously The stability connected between wheel and axletree is time saving and energy saving.In application, first dismantling stopper section, bearing, then dismantle limiting section and vehicle Wheel, do not need it is i.e. detachable using equipment such as press machines, dismantle it is simple and quick；And after the part in wheel group is impaired Also it is able to achieve quick-replaceable and installation, it is time saving and energy saving.

Detailed description of the invention

By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this Novel limitation.And throughout the drawings, identical component is indicated with identical pa-rameter symbols.In the accompanying drawings:

Fig. 1 is a kind of overall structure cross-sectional view of crane wheel group of embodiment；

Fig. 2 is the structural schematic diagram of angle-style bearing housing in Fig. 1；

Fig. 3 is the partial sectional view at Fig. 2 middle (center) bearing case link position；

Fig. 4 is the overall structure cross-sectional view of embodiment another kind crane wheel group；

Fig. 5 is the structural schematic diagram of round bearing housing in Fig. 4；

Fig. 6 is the partial sectional view at Fig. 5 middle (center) bearing case link position.

Attached drawing summarizes: 1, bearing cap 2, bearing 3, wheel 4, angle-style bearing housing 5, axletree 6, bolt group 7, round Bearing housing 8, connection bolt 9, stopper section 10, key 11, extension side 12, axle sleeve.

Specific embodiment

It is the technical means and efficacy reaching predetermined purpose of utility model and being taken for the utility model is further described, with Lower combination attached drawing and preferred embodiment, to according to the utility model proposes a kind of crane wheel group, specific embodiment, Structure, feature and its effect, detailed description is as follows.In the following description, different " embodiment " or " embodiment " refers to not It must be the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any suitable form groups It closes.

Embodiment

A kind of crane wheel group of the utility model first choice embodiment, including wheel 3, axletree 5 and it is set in vehicle Bearing housing on wheel shaft 5 and positioned at wheel two sides.

Bearing housing split settings are simultaneously fixedly connected by connecting bolt 8；It is fixedly mounted in bearing housing on axletree 5 Bearing 2 is first mounted in sleeve 9 by sleeve 9 and the bearing 2 being mounted on sleeve, when installation, sleeve 9 is fixed It is mounted on axletree 5, the two sides of sleeve bearing 2 are equipped with bearing cap 1, two bearings lid 1 and bearing housing and are connected by bolt group 6 It connects.In the present embodiment, bearing 2 can be angle-style bearing and round bearing, and outside is arranged angle-style bearing housing 4 and round axis respectively Hold case 7.

The part that axletree 5 is in contact with wheel 3 is set as the pyramidal structure that shape matches, and pyramidal structure has big end and small It holds, is disposed opposite to each other on axletree with the pyramidal structure of two sides bearing fit, the small end of pyramidal structure is arranged far from wheel.Wheel The limiting section of limiting wheel axial movement is equipped between 3 tapered end thereofs and wheel case；Wheel 3 is connect with axletree 5 by key 10 To 3 radial positioning of wheel.Limiting section is an axle sleeve in the present embodiment, and axle sleeve 12 is equipped with extension side close to one end of wheel 11,11 one end of extension side presses against the side of wheel, and the other end protrudes into bearing cap and presses against on limiting section；Bearing cap 1 and limit Sealing ring is equipped between the portion of position；It is equipped with gasket between the bearing chamber of split settings, between bearing cap and bearing housing, with true It is not excessive to protect lubricant grease.It in other embodiments, is pyramidal structure at the position of axletree and bearing fit, stopper section is to set Screw thread at pyramidal structure small end and with the nut that is threadedly engaged, for carrying out axial limiting to bearing.

The utility model proposes a kind of fast quick-detach type wheel group, be equipped with kissing at the cooperation position of bearing and axletree The pyramidal structure of conjunction, the small end of pyramidal structure are equipped with the stopper section of limitation bearing axial movement；Matching between wheel and axletree Conjunction face is also tapered surface, and is moved axially with limiting section limiting wheel；Which overcome the prior art press fitting or hot charging bearing and Difficult defect is dismantled between axletree, wheel and axletree；It does not influence to connect between bearing, wheel and axletree simultaneously steady Solidity, it is time saving and energy saving.In application, first dismantling stopper section, bearing, then limiting section and wheel are dismantled, not needed using press machine etc. Equipment, that is, detachable is dismantled simple and quick；And quick-replaceable and peace are also able to achieve after the part in wheel group is impaired Dress is time saving and energy saving.

Although the preferred embodiment of the utility model has been described, those skilled in the art once knows substantially new Newness concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as includes Preferred embodiment and all change and modification for falling into the scope of the utility model.

Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims (6)

1. a kind of crane wheel group including wheel, axletree and is set in the bearing on axletree and positioned at wheel two sides, It is characterized in that, is pyramidal structure at the position of the axletree and bearing fit, the small end of axletree pyramidal structure is equipped with limitation The stopper section of bearing axial movement；It is taper that the wheel, which is set in the inner hole on axletree, and the axletree and wheel are matched The outer dimension at the coincidence place of setting matches with the cone-shaped inner hole of wheel, is equipped between the wheel and bearing and presses against wheel inner holes The limiting section of small end side block wheel axial movement.

2. a kind of crane wheel group according to claim 1, which is characterized in that the stopper section is to be set in axletree On sleeve, the bearing is set on sleeve.

3. a kind of crane wheel group according to claim 2, which is characterized in that the limiting section is to be set in axletree On axle sleeve, the axle sleeve, which close to one end of wheel is equipped with card and sets, presses against the extension side of wheel side, the other end top of axle sleeve It is pressed on stopper section.

4. a kind of crane wheel group according to claim 1, which is characterized in that on axletree with two sides bearing fit Pyramidal structure is disposed opposite to each other, and the small end of pyramidal structure is arranged far from wheel.

5. a kind of crane wheel group according to claim 1, which is characterized in that the bearing outer sheath is equipped with bearing Case, the bearing housing split settings, bearing housing are fixedly connected with the bearing cap of bearing two sides.

6. a kind of crane wheel group according to claim 1, which is characterized in that pass through between the wheel and axletree Key connection.