CN202935361U - Pull-rod-free axle box body applied to light rail transport - Google Patents
Pull-rod-free axle box body applied to light rail transport Download PDFInfo
- Publication number
- CN202935361U CN202935361U CN 201220588386 CN201220588386U CN202935361U CN 202935361 U CN202935361 U CN 202935361U CN 201220588386 CN201220588386 CN 201220588386 CN 201220588386 U CN201220588386 U CN 201220588386U CN 202935361 U CN202935361 U CN 202935361U
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- CN
- China
- Prior art keywords
- box body
- axle box
- light rail
- journal box
- pull rod
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Abstract
The utility model discloses a pull-rod-free axle box body applied to light rail transport and aims at designing an axle box body which is applicable to a hinged type light rail bogie which is of the 80km/h speed grade and can pass a line with the through curve radius of R30m. The pull-rod-free axle box body applied to light rail transport comprises an axle box body, wherein a bearing mating hole is formed in the central position of the axle box body; a plurality of axial end cover threaded holes are formed around the bearing mating hole; spring seats are arranged on the left and right ends of the axle box body; a spring seat baffle side is arranged in the circumferential direction of each spring seat; a plurality of threaded blind hole bulges are arranged at the top part of the axle box body; chambers are arranged on two sides of the base of the axle body; and the chambers are internally provided with reinforcing ribs. The axle box body is simple, compact and light in structure, simple to disassemble, convenient to cast and strong in practicability, and is safe, reliable and attractive, thereby being applicable to a wider range of uses and the market demands, enhancing the competitiveness in the light rail transport market and being easy to popularize and apply.
Description
Technical field
The utility model relates to and belongs to city rail subway, light rail vehicle structure design field, is specially a kind of light rail non pull rod type journal box body.
Background technology
Bogie truck be tractive force of train, braking force, car load and track external force directly hold the receptor, most important to riding quality and the passenger traffic safety of vehicle.Bogie truck consists of parts such as, axle box, draw gear, foundation brake rigging, actuating devices framework, suspension gear, wheel, wherein axle box is the vitals that guarantees the vehicle safety operation, its effect is to being linked together with framework by wheel, make wheel be converted into the translation of vehicle along circuit to the rolling along rail, it bears the weight of vehicle, transmit the application force of each side, and guarantee good lubricity, make axletree unlikely generation hot box phenomenon when high-speed operation.So the load-carrying capacity of axle box is on there being great impact in service life of bearing.
In the prior art, general dual-pulling rod type axle box, single pull rod type axle box and the non pull rod type axle box of adopting on bogie truck.Existing pivoted arm axle box, guide colume type axle box, be used in conjunction with the non pull rod type structure of axle box such as axle box with the herringbone spring and exist and produce the casting difficulty, the problems such as local detail is unreasonable, can not meet the circuit radial type light rail vehicle bogie truck that has the 80km/h velocity stage that speed is fast, curving performance good, vehicle smoothness is good and can be R30m by radius of curve.
The utility model content
Journal box body for the circuit radial type light rail vehicle bogie truck developing a kind of 80km/h of adaptation velocity stage and can be R30m by radius of curve, the utility model aims to provide a kind of light rail non pull rod type journal box body, this journal box body is simple and compact for structure light and handy, dismounting is simple, casting is convenient, practical.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of light rail non pull rod type journal box body, comprise the axle box body, the center of this axle box body has the bearing fit hole, the surrounding in this bearing fit hole is provided with a plurality of axial end cap tapped bore, the two ends, left and right of described axle box body are provided with a spring perch, and each spring perch is circumferentially with the spring perch rib; Its constructional feature is, the top of described axle box body is provided with a plurality of installation tapped blind hole projections, and the base both sides of described axle box body have chamber, in this chamber, have reinforced rib.
Be below the technical scheme of further improvement of the utility model:
The top of described axle box body is provided with the safety stop contacted with framework, and this safety stop is being installed between the tapped blind hole projection, and when abnormal condition occur, safety stop contacts with framework, plays a supporting role, and avoids dangerous situation to occur.
In the safety stop bilateral symmetry, be provided with for the Xuan of clamping axle box body wheel boss, this Xuan wheel boss is positioned at the outside of tapped blind hole projection, clamping journal box body easily during the Xuan wheel.
The bottom of described spring perch is provided with the spring perch through hole, on described spring perch rib, has drainage channel.
Have the slip-off preventing preformed hole on the base of described axle box body, if need, can conveniently install anti-drop device additional.
The bottom that described axle box body is positioned at spring perch has lightening grooves.
In order to strengthen the bulk strength of journal box body, the both sides in described bearing fit hole are provided with reinforced rib.
In both sides, bearing fit hole and the base position be provided with drain gutter, be convenient to the excretion of sewage, the protection journal box body.
The aperture in described bearing fit hole is make journal box body and be placed between the bearing in the bearing fit hole as free-running fit.
By said structure, light rail of the present utility model is the inblock cast structure with the non pull rod type journal box body, the left and right almost symmetry, be designed with bearing fit hole, spring perch, spring perch rib, drain gutter, reinforced rib, Xuan wheel boss on journal box body, the structures such as tapped blind hole projection, safety stop, drainage channel, slip-off preventing preformed hole are installed, by transition arc and reinforced rib, be combined into an integral body.
It is free-running fit that the bearing fit hole should be able to guarantee between journal box body and bearing, and bearing fit hole both sides external is spring perch, is provided with reinforced rib spring perch rib around each spring perch, and reinforced rib extends to the journal box body middle part, improves the intensity of journal box body.Spring perch is provided with drainage channel, is convenient to sewage in spring perch and discharges.
Two ends, bearing fit hole are provided with 12 thread protrusion are installed, and have both improved journal box body intensity, make the journal box body compactness, simply attractive in appearance.
For alleviating the journal box body quality, and guarantee journal box body intensity, at the journal box body base, be provided with chamber, be provided with reinforced rib in chamber.
Compared with prior art, the beneficial effects of the utility model are: the utility model journal box body is simple and compact for structure light and handy, dismounting is simple, casting is convenient, practical, and safe and reliable attractive in appearance, can adapt to wider user and the market demand, strengthened the competitive power in light rail market, be easy to apply.
Below in conjunction with drawings and Examples, the utility model is further elaborated.
The accompanying drawing explanation
Fig. 1 is the structure principle chart of an embodiment of the utility model;
Fig. 2 is the schematic diagram of the second angle of Fig. 1;
Fig. 3 is the schematic diagram of the third angle of Fig. 1;
Fig. 4 is the schematic diagram of the 4th kind of angle of Fig. 1.
In the drawings
1-bearing fit hole; The 2-spring perch; 3-spring perch rib; The 4-drain gutter; The 5-reinforced rib;
6-Xuan takes turns boss; 7-installs the tapped blind hole projection; The 8-safety stop; The 9-drainage channel;
10-spring perch through hole; 11-axle box end cap tapped bore; 12-slip-off preventing preformed hole;
13 lightening grooves; 14 chambers; The 15-base; 16 reinforced ribs.
The specific embodiment
A kind of light rail non pull rod type journal box body, as shown in Figure 1, integral body is cast structure, the left and right almost symmetry, be provided with bearing fit hole 1, spring perch 2, spring perch rib 3, drain gutter 4, reinforced rib 5, Xuan wheel boss 6, the structures such as tapped blind hole projection 7, safety stop 8, drainage channel 9, spring perch through hole 10, axle box end cap tapped bore 11, slip-off preventing preformed hole 12, lightening grooves 13, chamber 14, base 15, reinforced rib 16 are installed, by transition arc and reinforced rib, be combined into an integral body.
Bearing fit hole 1 should be able to guarantee between journal box body and bearing to be free-running fit, so that inner end cap and outer end cap in the axle box assembling can be regulated.
Be provided with safety stop 8 at the top of journal box body, when abnormal condition occur, safety stop 8 contacts with framework, plays a supporting role, and avoids dangerous situation to occur.
Bearing fit hole 1 is provided with two Xuan wheel boss 6, clamping journal box body easily during the Xuan wheel.
Two ends, bearing fit hole are provided with 12 screw boss 7 are installed, and have both improved journal box body intensity, make again the journal box body compactness, simply attractive in appearance.
Bearing fit hole 1 both sides external is spring perch 2, around each spring perch 2, is provided with reinforced rib 5 and spring perch rib, and reinforced rib prolongs 5 and reaches the journal box body middle part, improves the intensity of journal box body.
In order to strengthen the bulk strength of journal box body, in bearing fit hole 1 bilateral symmetry, be provided with 4 reinforced ribs 5.
For alleviating the journal box body quality, and guarantee journal box body intensity, at the journal box body base, be provided with chamber 14, be provided with reinforced rib 16 in chamber.
Be provided with drain gutter 4 in 1 both sides, bearing fit hole, be convenient to the excretion of sewage, the protection journal box body.
Journal box body base 15 is provided with slip-off preventing preformed hole 12, if need, can conveniently install anti-drop device additional.
The content that above-described embodiment is illustrated should be understood to these embodiment only for being illustrated more clearly in the utility model, and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Claims (9)
1. a light rail non pull rod type journal box body, comprise the axle box body, the center of this axle box body has bearing fit hole (1), the surrounding in this bearing fit hole (1) is provided with a plurality of axial end cap tapped bore (11), the two ends, left and right of described axle box body are provided with a spring perch (2), and each spring perch (2) is circumferentially with spring perch rib (3); It is characterized in that, the top of described axle box body is provided with a plurality of installation tapped blind hole projections (7), and the base of described axle box body (15) both sides have chamber (14), have reinforced rib (16) in this chamber (14).
2. light rail according to claim 1 non pull rod type journal box body, is characterized in that, the top of described axle box body is provided with the safety stop (8) contacted with framework, and this safety stop (8) is positioned to be installed between tapped blind hole projection (7).
3. light rail according to claim 2 non pull rod type journal box body, is characterized in that, in safety stop (8) bilateral symmetry, is provided with the Xuan wheel boss (6) for clamping axle box body, and this Xuan wheel boss (6) is positioned at the outside of tapped blind hole projection (7).
4. light rail according to claim 1 non pull rod type journal box body, is characterized in that, the bottom of described spring perch (2) is provided with spring perch through hole (10), has drainage channel (4) on described spring perch rib (3).
5. light rail according to claim 1 non pull rod type journal box body, is characterized in that, has slip-off preventing preformed hole (12) on the base of described axle box body (15).
6. light rail according to claim 1 non pull rod type journal box body, is characterized in that, the bottom that described axle box body is positioned at spring perch (2) has lightening grooves (13).
7. light rail according to claim 1 non pull rod type journal box body, is characterized in that, the both sides in described bearing fit hole (1) are provided with reinforced rib (5).
8. light rail according to claim 1 non pull rod type journal box body, is characterized in that, (1) both sides, described bearing fit hole and base (15) position are provided with drain gutter (4).
9. light rail according to claim 1 non pull rod type journal box body, is characterized in that, the aperture in described bearing fit hole is make journal box body and be placed between the bearing in the bearing fit hole as free-running fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588386 CN202935361U (en) | 2012-11-09 | 2012-11-09 | Pull-rod-free axle box body applied to light rail transport |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220588386 CN202935361U (en) | 2012-11-09 | 2012-11-09 | Pull-rod-free axle box body applied to light rail transport |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202935361U true CN202935361U (en) | 2013-05-15 |
Family
ID=48319616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220588386 Expired - Lifetime CN202935361U (en) | 2012-11-09 | 2012-11-09 | Pull-rod-free axle box body applied to light rail transport |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202935361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661467A (en) * | 2013-12-05 | 2014-03-26 | 南车眉山车辆有限公司 | Bogie axle box suspension device |
| CN110001700A (en) * | 2019-04-19 | 2019-07-12 | 中车洛阳机车有限公司 | Two axis engineering trucks of one kind turn sequence wheel spindle device |
-
2012
- 2012-11-09 CN CN 201220588386 patent/CN202935361U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661467A (en) * | 2013-12-05 | 2014-03-26 | 南车眉山车辆有限公司 | Bogie axle box suspension device |
| CN110001700A (en) * | 2019-04-19 | 2019-07-12 | 中车洛阳机车有限公司 | Two axis engineering trucks of one kind turn sequence wheel spindle device |
| CN110001700B (en) * | 2019-04-19 | 2023-11-28 | 中车洛阳机车有限公司 | Axle device for turning sequence of two-axle engineering truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |