CN203078546U - Light faulted-installation-preventing brake lever - Google Patents
Light faulted-installation-preventing brake lever Download PDFInfo
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- CN203078546U CN203078546U CN 201320059655 CN201320059655U CN203078546U CN 203078546 U CN203078546 U CN 203078546U CN 201320059655 CN201320059655 CN 201320059655 CN 201320059655 U CN201320059655 U CN 201320059655U CN 203078546 U CN203078546 U CN 203078546U
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- brake lever
- lever
- lever body
- loss
- brake
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Abstract
The utility model relates to the technical fields of railway wagons, in particular to a light faulted-installation-preventing brake lever which comprises a lever body and three linings. Two ends and the middle of the lever body are respectively provided with a lining. One end of the lever body is thicker than the other end of the lever body. The thicker end is symmetric in the thickness direction. A weight reducing groove is formed in the lever body. The light faulted-installation-preventing brake lever can reduce the weight of the brake lever, prevent the brake lever from faulted installation, ensure that braking force of a vehicle is in compliance with design requirements, reduce relieving resistance generated after the vehicle is braked, ensure that the installation height of the brake lever is in line with that of a piston center of a brake cylinder and enable the brake lever to be reasonably stressed.
Description
Technical field
The application relates to the rolling stock technical field, the anti-error dress brake lever of particularly a kind of lightweight.
Background technology
In the China railways Freight Car Braking System, adopt brake lever, lever connection to come convergent-divergent usually and transmit the vehicle stopping brake or needed braking force is braked in speed governing.For guaranteeing that car brakeing power size adheres to specification, brake lever must the as prescribed assembling.Because of each mounting hole of brake lever is difficult to identification apart from approaching, sequence of erection, or because of the human element influence, when assembling at the scene, brake lever master arm end and slave arm end are adorned instead, are adorned wrong phenomenon (being called for short the mistake dress) and happen occasionally.Anti-or the misloading of brake lever dress will cause braking force to amplify or dwindle, and the too small adverse consequences of braking force is that vehicle can not be at the interior emergency of predetermined brake distance, and the excessive adverse consequences of braking force is a wheel tread flat.China utility model patent CN201963781U discloses a kind of brake lever, though the measure of the thickening of adopting at an end of lever, can solve the problem of mistake dress, but, what this brake lever adopted is the single face thickening, the position of thickening is asymmetric on thickness direction, mainly have following shortcoming: upset end along the center of symmetry of the center of symmetry of thickness direction and another common end (end of promptly not thickening) not in same horizontal surface, make that brake lever setting height(from bottom) and brake cylinder piston height of center are inconsistent, the brake lever two ends present vertical deflection, reduce the driving efficiency of braking force.The railway truck foundation brake rigging relies on the brake beam deadweight to alleviate, and it is less that it alleviates recuperability, and railway truck brake lever weight lays particular stress on and further strengthened the alleviation resistance, influences the normal alleviation after the car brakeing.The weight of existing railway truck brake lever is bigger, is unfavorable for the normal alleviation after the car brakeing, and alleviating not after the car brakeing, the good general jeopardizes vehicle operating safety.On the other hand, occur sleet ponding easily on the existing railway truck brake lever, accelerated corrosion, reduced the service life of railway truck brake lever the railway truck brake lever.
The utility model content
The application's technical matters to be solved provides and a kind ofly can alleviate brake lever weight, reduces alleviation resistance after the car brakeing to improve the safety of vehicle operating, can also prevent the anti-error dress brake lever of lightweight of brake lever mistake dress simultaneously.
For solving the problems of the technologies described above, the application provides a kind of lightweight anti-error dress brake lever, comprises lever body and three linings, and the two ends of described lever body and centre are respectively arranged with a lining.The thickness of one end of described lever body is greater than the thickness of the other end, and thicker end symmetry on thickness direction.Described lever body is provided with the loss of weight groove.
Further, offer drain gutter in the described loss of weight groove on the described lever body.
Further, the upper and lower faces of described lever body all offers described loss of weight groove.Described loss of weight groove on the described lever body upper and lower faces is over against setting.Between the described loss of weight groove that is provided with, offer at least one drain gutter on the described lever body upper and lower faces.
Further, the degree of depth over against the described loss of weight groove that is provided with is 5mm on the described lever body above and below.
Further, the thickness of the end that symmetry is thickeied on thickness direction on the described lever body is 32mm.
The anti-error dress brake lever of the lightweight that the application provides is provided with the loss of weight groove at the two ends of lever, has reduced the weight of brake lever, thereby has reduced the alleviation resistance after the car brakeing, has improved the safety of vehicle operating.One end of lever body is the symmetry thickening on thickness direction, can prevent the problem of brake lever mistake dress.Offer drain gutter in the loss of weight groove of lever body, can prevent to produce on the brake lever sleet ponding brake lever is corroded, prolonged the service life of brake lever.
Description of drawings
The anti-error dress brake lever of the lightweight front view that Fig. 1 provides for the embodiment of the present application.
The anti-error dress brake lever of the lightweight longitudinal sectional view that Fig. 2 provides for the embodiment of the present application.
The specific embodiment
Referring to Fig. 1-Fig. 2, the anti-error dress brake lever of a kind of lightweight that the embodiment of the present application provides comprises lever body 1 and three linings 4.The two ends of lever body 1 and centre are respectively arranged with a lining 4.The two ends of lever body 1 are respectively arranged with loss of weight groove 2, are specially: the upper and lower faces of lever body 1 is respectively arranged with loss of weight groove 2, and the loss of weight groove 2 of lever body 1 upper and lower faces is over against setting.Loss of weight groove 2 on the lever body 1 is provided with by the mode that forges.Offer drain gutter in the loss of weight groove 2 on the lever body 1, be specially: lever body 1 upper and lower faces offers 2 over against offering at least one drain gutter 3(the embodiment of the present application between the loss of weight groove 2 that is provided with).Lever body 1 upper and lower faces is 5mm over against the degree of depth of the loss of weight groove 2 that is provided with.The thickness of one end of lever body 1 is greater than the thickness of the other end, and the thickness of a thicker end is 32mm on the lever body 1, and the thicker end symmetry on thickness direction of lever body 1.An end that approaches on the lever body 1 and the thickness of lever body 1 upper and lower faces loss of weight groove 2 neighboring areas are 25mm.
The principle of work of the embodiment of the present application is as follows: an end of lever body 1 is the symmetry thickening on thickness direction, the upset end of lever body 1 can only be formed with the rear fulcrum seat of brake cylinder or vehicle during assembling and be connected, the common end of lever body 1 (not Jia Hou a end) is formed with the top rod of vehicle and is connected, therefore, can prevent to assemble mistiming dress brake lever.The upset end of lever body 1 can guarantee that along the thickness direction symmetrical configuration setting height(from bottom) of lever body 1 is consistent with brake cylinder piston center, makes the stressed more reasonable of brake lever.Lever body 1 is provided with loss of weight groove 2, the peripheral thickness of loss of weight groove 2 identical with existing railway truck brake lever (being 25mm all), under the prerequisite that guarantees the brake lever normal operation, alleviated brake lever weight, reduced vehicle and alleviate resistance, made the vehicle can safe operation.Offer drain gutter 3 in the loss of weight groove 2 on the lever body 1, can discharge the sleet ponding in the loss of weight groove 2 on the lever body 1, make brake lever exempt from erosion.
The embodiment of the present application has following beneficial effect:
1, is provided with the loss of weight groove at the two ends of lever, reduced the weight of brake lever, thereby reduced the alleviation resistance after the car brakeing, improved the vehicle mitigation performance, reduced the wheel flat risk.
2, an end of lever body symmetry thickening on thickness direction can prevent the problem that the brake lever mistake is adorned, and guarantees that car brakeing power adheres to specification, and can guarantee that the brake lever setting height(from bottom) is consistent with brake cylinder piston center, and brake lever is stressed more reasonable.
3, offer drain gutter in the loss of weight groove of lever body, can prevent to produce on the brake lever sleet ponding brake lever is corroded, prolonged the service life of brake lever.
4, simple in structure, easy to assembly, be convenient to assemble the back inspection of assembling rightness is confirmed.
It should be noted last that, the above specific embodiment is only unrestricted in order to explanation the application's technical scheme, although the application is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the application's technical scheme, and not breaking away from the spirit and scope of present techniques scheme, it all should be encompassed in the middle of the application's the claim scope.
Claims (5)
1. the anti-error dress brake lever of lightweight comprises lever body and three linings;
The two ends of described lever body and centre are respectively arranged with a lining;
It is characterized in that,
The thickness of one end of described lever body is greater than the thickness of the other end, and thicker end symmetry on thickness direction;
Described lever body is provided with the loss of weight groove.
2. the anti-error dress brake lever of lightweight according to claim 1 is characterized in that, offers drain gutter in the described loss of weight groove on the described lever body.
3. the anti-error dress brake lever of lightweight according to claim 1 is characterized in that the upper and lower faces of described lever body all offers described loss of weight groove;
Described loss of weight groove on the described lever body upper and lower faces is over against setting;
Between the described loss of weight groove that is provided with, offer at least one drain gutter on the described lever body upper and lower faces.
4. the anti-error dress brake lever of lightweight according to claim 3 is characterized in that, the degree of depth over against the described loss of weight groove that is provided with on the described lever body above and below is 5mm.
5. the anti-error dress brake lever of lightweight according to claim 1 is characterized in that, the thickness of the end that symmetry is thickeied on thickness direction on the described lever body is 32mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320059655 CN203078546U (en) | 2013-02-01 | 2013-02-01 | Light faulted-installation-preventing brake lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320059655 CN203078546U (en) | 2013-02-01 | 2013-02-01 | Light faulted-installation-preventing brake lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203078546U true CN203078546U (en) | 2013-07-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320059655 Expired - Lifetime CN203078546U (en) | 2013-02-01 | 2013-02-01 | Light faulted-installation-preventing brake lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203078546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072595A (en) * | 2013-02-01 | 2013-05-01 | 南车长江车辆有限公司 | Light-weight anti-misloading brake lever |
-
2013
- 2013-02-01 CN CN 201320059655 patent/CN203078546U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072595A (en) * | 2013-02-01 | 2013-05-01 | 南车长江车辆有限公司 | Light-weight anti-misloading brake lever |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee after: CRRC Yangtze Co.,Ltd. Address before: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Patentee before: CSR YANGTZE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |