CN209274280U - A kind of wheel spindle device of compartment whole low-floor tramcar - Google Patents

Abstract

The technical issues of a kind of wheel spindle device of compartment whole low-floor tramcar is related to low-floor tramcar equipment, solves the wheel spindle device that existing whole compartments are low land plate face, and structure is complicated, and cost is high, poor universality.The utility model uses a kind of wheel spindle device for the compartment whole low-floor tramcar being made of elastic wheel, built-in axle box, axis bridge and earthing or grounding means, two sides wheel is decoupled, it realizes and moves to wheel outside traction drive to two sides, by the way that axis bridge is designed as "u"-shaped, axle body height is effectively reduced, by the way that axle box to be integrated between wheel and axis bridge wheel seat, spandrel girder is set on axis bridge, compression simplifies wheel to structure to greatest extent, and finally can be realized tramcar whole compartment is low-floor.The utility model is used for tramcar equipment, is that structure is simple, at low cost, versatility is good, a kind of operational safety wheel spindle device of 100% low-floor tramcar of compartment.

Description

A kind of wheel spindle device of compartment whole low-floor tramcar

Technical field

The utility model relates to low-floor tramcar equipment, in particular to a kind of compartment whole low-floor tramcar Wheel spindle device.

Background technique

The floor compartment region that 100% low-floor tramcar can be realized 100% is respectively less than 40cm away from orbital plane height, Have many advantages, such as to be easy to that planning, small investment, construction period be short, environmental protection and energy saving in urban construction.To meet compartment whole floor Face is the requirement of low-floor, and the height at position among bogie need to be greatly lowered in traditional d-axis wheel, and simplifies structure, will be former This is located at the outer wheel that moves to such as braking system, traction drive among bogie to two sides, and axle body height is also required to reduce, from And realize the through low-floor in entire compartment.

Currently, existing wheel is to there are two types of technical solutions both at home and abroad: one is still use traditional d-axis wheel to structure, But traction gearbox interface, brake disc interface etc. are transferred to wheel to outside, tradition is located at wheel, the axle box in outside is shifted The position of wheel is abutted to inside to wheel, the advantages of program is that structure is simple, and cost is relatively low, the disadvantage is that the floor above axle body Face height is still higher, needs to carry out sloped transition with other floors, to the aesthetic measure in the comfort and compartment of seating It has an impact；Another scheme is will to take turns to decouple two sides wheel, cancels traditional d-axis, pacifies between the wheel and axle of two sides Bearing is filled, realizes that wheel independently rotates, meanwhile, traction gearbox interface, brake disc interface, which are set to, takes turns to outside, the program Advantage is to significantly reduce the height at position among bogie due to eliminating d-axis, and it is unified for being truly realized whole compartments The low land plate face of height, the disadvantage is that structure is complicated, cost is higher and does not have versatility.

Summary of the invention

The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of compartment whole low-floor tramcar Wheel spindle device, solve the wheel spindle device that existing whole compartments are low land plate face, structure is complicated, and cost is high, the skill of poor universality Art problem.

The utility model is achieved through the following technical solutions:

A kind of wheel spindle device of compartment whole low-floor tramcar, it is characterised in that: the compartment whole low-floor has The wheel spindle device of rail electric car is made of elastic wheel, built-in axle box, axis bridge and earthing or grounding means, and a pair of elastic wheel leads to respectively It crosses built-in axle box connected to it to connect with two spindle nose of axis bridge of "u"-shaped, respectively by connecing outside two spindle nose of axis bridge Ground device is connect with elastic wheel.

Further, the elastic wheel is equipped with shaft coupling interface, bull wheel core bore, bearing spacer core bore, steamboat core bore, note Rouge hole, gas vent；The built-in axle box include: big tapered roller bearing, roundlet taper roller bearing, bearing spacer, dust slinger, Journal box rear cover, bearing gland and fastener, sealing element；The axis bridge includes: wheel seat, dust-proof block seat, spindle nose, spandrel girder, axis Body；The dust slinger is loaded on the dust-proof block seat, and loaded on the big wheel seat of axis bridge, conicle rolls the big tapered roller bearing For sub- bearing loaded on the small wheel seat of axis bridge, bearing spacer is described big between big tapered roller bearing and roundlet taper roller bearing Tapered roller bearing outer ring and the bull wheel core bore are fitted close, and roundlet taper roller bearing outer ring and the steamboat core bore are tight The core wheel inner face of close fit, the journal box rear cover and elastic wheel is bolted, the bearing gland and axis bridge wheel seat End face is bolted, and the core wheel outer end face of earthing or grounding means shell and elastic wheel is bolted.

Further, labyrinth is designed between the bearing gland and earthing or grounding means shell, between dust slinger and journal box rear cover Sealing；Rhone is equipped on the outside of the journal box rear cover, the dust slinger, which is equipped with, stores oil/water slot, the bearing rear cover and dust-proof Labyrinth seal is equipped between retaining ring；The journal box rear cover inner face is equipped with groove, is connected to the gas vent of elastic wheel, the bearing Gland outer end face is equipped with earthing or grounding means interface, and it is close that bearing gland outer end face two sides constitute labyrinth together with earthing or grounding means shell Envelope.

Further, the liner for connecting with bogie primary shock-absorbing spring, the axle body are installed on the spandrel girder Middle part machining surface is equipped with the threaded hole for connecting with vehicle ground line.

The utility model compared with prior art, due to using by elastic wheel, built-in axle box, axis bridge and earthing or grounding means group At a kind of compartment whole low-floor tramcar wheel spindle device, two sides wheel is decoupled, realize traction drive outside move Axle body height is effectively reduced, by the way that axle box is integrated into wheel by the way that axis bridge is designed as "u"-shaped to two sides to wheel Between axis bridge wheel seat, spandrel girder is set, compression simplifies wheel to structure to greatest extent, finally can be realized tramcar on axis bridge Whole compartments are low-floor.

The utility model is used for tramcar equipment, is that structure is simple, at low cost, versatility is good, operational safety one kind The wheel spindle device of 100% low-floor tramcar of compartment.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram (main view) of the wheel spindle device of compartment whole low-floor tramcar；

Fig. 2 is the top view of Fig. 1；

Fig. 3 is the cross-sectional view of elastic wheel；

Fig. 4 is the cross-sectional view of built-in axle box；

Fig. 5 is the structural schematic diagram (main view) of axis bridge；

Fig. 6 is the top view of Fig. 5.Wherein:

1- elastic wheel, 1-1 shaft coupling interface, 1-2 bull wheel core bore, 1-3 bearing spacer core bore, 1-4 steamboat core bore, 1-5 Greasing hole, 1-6 gas vent, 1-7 core wheel inner face, 1-8 core wheel outer end face；

Axle box built in 2-, the big tapered roller bearing of 2-1,2-2 roundlet taper roller bearing, 2-3 bearing spacer, 2-4 dustproof baffle Circle, 2-4-1 store oil/water slot, 2-5 journal box rear cover, 2-5-1 rhone, 2-5-2 groove, 2-6 bearing gland, 2-6-1 earthing or grounding means Interface；

3- axis bridge, 3-1 wheel seat, the big wheel seat of 3-1-1 axis bridge, the small wheel seat of 3-1-2 axis bridge, 3-1-3 axis bridge wheel seat end face, 3-2 Dust-proof block seat, 3-3 spindle nose, 3-4 spandrel girder, 3-4-1 liner, 3-5 axle body, 3-5-1 threaded hole；

4- earthing or grounding means, 4-1 earthing or grounding means shell.

Specific embodiment

Clear, complete description is made to the technical solution of the utility model by embodiment below in conjunction with attached drawing.

As shown in Figures 1 to 6, a kind of wheel spindle device of compartment whole low-floor tramcar, by elastic wheel 1, built-in Axle box 2, axis bridge 3 and earthing or grounding means 4 form, and a pair of elastic wheel 1 passes through built-in axle box 2 connected to it and " U " respectively 3 liang of spindle nose connections of axis bridge of shape structure, 3 liang of spindle noses outsides of the axis bridge are connect by earthing or grounding means 4 with elastic wheel 1 respectively. The axis bridge 3 of "u"-shaped is by the structure of intermediate portion potential drop low clearance.

The elastic wheel 1 is equipped with shaft coupling interface 1-1, bull wheel core bore 1-2, bearing spacer core bore 1-3, steamboat core bore 1-4, greasing hole 1-5, gas vent 1-6；The built-in axle box 2 includes: big tapered roller bearing 2-1, roundlet taper roller bearing 2- 2, bearing spacer 2-3, dust slinger 2-4, journal box rear cover 2-5, bearing gland 2-6 and fastener, sealing element；The axis bridge 3 It include: wheel seat 3-1, dust-proof block seat 3-2, spindle nose 3-3, spandrel girder 3-4, axle body 3-5；The dust slinger 2-4 is loaded on described anti- On dirt block seat 3-2, loaded on the big wheel seat 3-1-1 of axis bridge, roundlet taper roller bearing 2-2 is loaded on the big tapered roller bearing 2-1 On the small wheel seat 3-1-2 of axis bridge, bearing spacer 2-3 is between big tapered roller bearing and roundlet taper roller bearing, the great circle The outer ring taper roller bearing 2-1 and the bull wheel core bore 1-2 are fitted close, the outer ring roundlet taper roller bearing 2-2 with it is described small It takes turns core bore 1-4 to be fitted close, the core wheel inner face 1-7 of the journal box rear cover 2-5 and elastic wheel 1 are bolted, described Bearing gland 2-6 is bolted with axis bridge wheel seat end face 3-1-3, outside the core wheel of earthing or grounding means shell 4-1 and elastic wheel 1 End face 1-8 is bolted.

It is designed between the bearing gland 2-6 and earthing or grounding means shell 4-1, between dust slinger 2-4 and journal box rear cover 2-5 Labyrinth seal；Rhone 2-5-1 is equipped on the outside of the journal box rear cover 2-5, the dust slinger 2-4, which is equipped with, stores oil/water slot 2-4- 1, labyrinth seal is equipped between the bearing rear cover 2-5 and dust slinger 2-4；The journal box rear cover 2-5 inner face is equipped with groove 2-5-2 is connected to the gas vent 1-6 of elastic wheel, and the bearing gland 2-6 outer end face is equipped with earthing or grounding means interface 2-6-1, described Bearing gland 2-6 outer end face two sides constitute labyrinth seal together with earthing or grounding means shell 4-1.

Liner 3-4-1 for connecting with bogie primary shock-absorbing spring is installed on the spandrel girder 3-4 of the axis bridge 3, Machining surface is equipped with the threaded hole 3-5-1 for connecting with vehicle ground line in the middle part of the axle body 3-5.

The working principle of the utility model is as follows:

External traction drive driving elastic wheel 1 is rotated by built-in axle box 2 around axis bridge 3, realizes wheel to traveling function Energy；Liner 3-4-1 connection bogie primary shock-absorbing spring on spandrel girder 3-4 realizes wheel to bearing function；Vehicle ground line connects Threaded hole 3-5-1 on spindle body 3-5, axis bridge 3 connect elastic wheel 1 by earthing or grounding means 4, and elastic wheel 1 contacts rail, real Existing grounding function；Periodically by lubricating grease in the greasing hole 1-5 and gas vent 1-6 update axle box on elastic wheel 1, wheel pair is realized Longtime running lubricating requirement.

The spirit and scope that the utility model can be embodied in a variety of forms without departing from the utility model, above-mentioned reality It applies example and is not limited to details above-mentioned, and should widely be explained in claim limited range.For the art For those of ordinary skill, without departing from the principle of this utility model, it can also make several improvements and equivalent scope Interior variation, such modifications and variations also should be regarded as the protection scope of the utility model.

Claims (4)

1. a kind of wheel spindle device of compartment whole low-floor tramcar, it is characterised in that: the compartment whole low-floor rail The wheel spindle device of electric car is made of elastic wheel (1), built-in axle box (2), axis bridge (3) and earthing or grounding means (4), a pair of elasticity Wheel (1) is connected by built-in axle box (2) connected to it with (3) two spindle nose of axis bridge of "u"-shaped respectively, the axis bridge It is connect respectively by earthing or grounding means (4) with elastic wheel (1) outside (3) two spindle noses.

2. the wheel spindle device of whole low-floor tramcar in compartment according to claim 1, it is characterised in that: the elasticity Wheel (1) is equipped with shaft coupling interface (1-1), bull wheel core bore (1-2), bearing spacer core bore (1-3), steamboat core bore (1-4), note Rouge hole (1-5), gas vent (1-6)；The built-in axle box (2) includes: big tapered roller bearing (2-1), roundlet taper roller bearing (2-2), bearing spacer (2-3), dust slinger (2-4), journal box rear cover (2-5), bearing gland (2-6) and fastener, sealing Part；The axis bridge (3) includes: wheel seat (3-1), dust-proof block seat (3-2), spindle nose (3-3), spandrel girder (3-4), axle body (3-5)；Institute Dust slinger (2-4) is stated loaded on the dust-proof block seat (3-2), the big tapered roller bearing (2-1) is loaded on the big wheel seat of axis bridge On (3-1-1), for roundlet taper roller bearing (2-2) loaded on the small wheel seat of axis bridge (3-1-2), bearing spacer (2-3) is located at big circular cone Between roller bearing and roundlet taper roller bearing, the big tapered roller bearing outer ring (2-1) and the bull wheel core bore (1-2) are tight Close fit, the roundlet taper roller bearing outer ring (2-2) and the steamboat core bore (1-4) are fitted close, the journal box rear cover (2- 5) it is bolted with the core wheel inner face (1-7) of elastic wheel (1), the bearing gland (2-6) and axis bridge wheel seat end face (3-1-3) is bolted, and the core wheel outer end face (1-8) of earthing or grounding means shell (4-1) and elastic wheel (1) is connected by bolt It connects.

3. the wheel spindle device of whole low-floor tramcar in compartment according to claim 2, it is characterised in that: the bearing It is close that labyrinth is designed between gland (2-6) and earthing or grounding means shell (4-1), between dust slinger (2-4) and journal box rear cover (2-5) Envelope；It is equipped with rhone (2-5-1) on the outside of the journal box rear cover (2-5), the dust slinger (2-4), which is equipped with, stores oil/water slot (2-4- 1) labyrinth seal, is equipped between the journal box rear cover (2-5) and dust slinger (2-4)；Journal box rear cover (2-5) inner face is set There is groove (2-5-2), be connected to the gas vent (1-6) of elastic wheel, bearing gland (2-6) outer end face connects equipped with earthing or grounding means Mouth (2-6-1), bearing gland (2-6) the outer end face two sides and earthing or grounding means shell (4-1) constitute labyrinth seal together.

4. the wheel spindle device of whole low-floor tramcar in compartment according to claim 2, it is characterised in that: the load-bearing Liner (3-4-1) for connecting with bogie primary shock-absorbing spring, machine in the middle part of the axle body (3-5) are installed on beam (3-4) Finished surface is equipped with the threaded hole (3-5-1) for connecting with vehicle ground line.