CN111923937A - Automatic sand scattering device of electric locomotive - Google Patents
Automatic sand scattering device of electric locomotive Download PDFInfo
- Publication number
- CN111923937A CN111923937A CN202010841195.8A CN202010841195A CN111923937A CN 111923937 A CN111923937 A CN 111923937A CN 202010841195 A CN202010841195 A CN 202010841195A CN 111923937 A CN111923937 A CN 111923937A
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- China
- Prior art keywords
- electromagnetic valve
- electric locomotive
- air
- sand
- electric
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/08—Preventing wheel slippage
- B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
- B61C15/102—Preventing wheel slippage by depositing sand or like friction increasing materials with sanding equipment of mechanical or fluid type, e.g. by means of steam
Abstract
The invention provides an automatic sand spreading device of an electric locomotive, which comprises: the device comprises an air pump, an electromagnetic valve, an air cylinder, a controller and a sand spreading rod; the controller is connected with the electromagnetic valve and controls the opening size of the electromagnetic valve according to the running speed of the electric locomotive; the cylinder is respectively connected with the electromagnetic valve and the sand spreading rod; air pressure generated by the air pump enters the air cylinder through the control of the electromagnetic valve, and the air cylinder stretches and retracts to drive the sand spreading rod to spread sand; through the device, the automatic control sand scattering rod of the electric locomotive can accurately and uniformly scatter sand, and the automatic control replaces manual labor.
Description
Technical Field
The invention relates to the field of automatic control, in particular to an automatic sand spreading device for an electric locomotive.
Background
When the underground electric locomotive runs to a wet and slippery position of a track, the electric locomotive slips or reaches a position needing emergency stopping, an electric locomotive driver needs emergency braking, but the underground electric locomotive is stopped by only braking, and needs to manually pull a sanding rod to perform sanding braking. At this moment, the driver of the electric locomotive needs to manually control the operating handle, pedal the brake and manually pull the sanding rod. Therefore, the series of actions need to be carried out simultaneously, the operation of the locomotive driver is inconvenient, and meanwhile, when the sand is scattered, the locomotive driver judges according to experience that the sand scattering is not uniform and effective, so that the locomotive cannot be braked in the shortest time.
Disclosure of Invention
The invention aims to provide an automatic sand scattering device of an electric locomotive, which realizes automatic sand scattering of the electric locomotive to replace manual labor.
In order to achieve the above object, the present invention provides an automatic sanding device for an electric locomotive, the device comprising:
an air pump for generating air pressure;
the electromagnetic valve is connected with the air pump and used for controlling the air pressure to enter the air cylinder;
the cylinder is connected with the electromagnetic valve and used for controlling the self expansion and contraction amount according to the air pressure passing through the electromagnetic valve;
the controller is connected with the electromagnetic valve and used for controlling the opening size of the electromagnetic valve according to the running speed of the electric locomotive;
and the sand spreading rod is connected with the air cylinder and used for controlling the sand spreading amount according to the telescopic amount of the air cylinder.
Optionally, the apparatus further comprises:
and the sensor is arranged on the electric locomotive, is connected with the controller and is used for acquiring the running speed of the electric locomotive and transmitting the running speed to the controller.
Optionally, the apparatus further comprises:
and the motor is connected with the air pump and used for driving the air pump to compress air.
Optionally, the apparatus further comprises:
and the power supply is connected with the motor and used for providing electric energy for the motor.
Optionally, the apparatus further comprises:
and the air pressure meter is connected with the air pump and used for displaying the air pressure of the air pump.
Optionally, the formula for controlling the opening size of the electromagnetic valve according to the running speed of the electric locomotive is as follows:
in the formula, KOpening deviceAnd V is the opening ratio of the electromagnetic valve, and the running speed of the electric locomotive.
Optionally, the solenoid valve is a proportional solenoid valve.
Optionally, the controller is a PLC controller.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides an automatic sand spreading device of an electric locomotive, which comprises: the device comprises an air pump, an electromagnetic valve, an air cylinder, a controller and a sand spreading rod; the controller is connected with the electromagnetic valve and controls the opening size of the electromagnetic valve according to the running speed of the electric locomotive; the cylinder is respectively connected with the electromagnetic valve and the sand spreading rod; air pressure generated by the air pump enters the air cylinder through the control of the electromagnetic valve, and the air cylinder stretches and retracts to drive the sand spreading rod to spread sand; through the device, the automatic control sand scattering rod of the electric locomotive can accurately and uniformly scatter sand, and the automatic control replaces manual labor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a structural diagram of an automatic sanding device of an electric locomotive according to an embodiment of the present invention;
the device comprises an air pump 1, an air pressure gauge 2, an air pressure gauge 3, an electromagnetic valve 4, an air cylinder 5, a motor 6, a controller 7 and a sand scattering rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an automatic sand scattering device of an electric locomotive, which realizes automatic sand scattering of the electric locomotive to replace manual labor.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a structural diagram of an automatic sanding device for an electric locomotive according to an embodiment of the present invention, and as shown in fig. 1, the present invention provides an automatic sanding device for an electric locomotive, the device including: the device comprises an air pump 1, an electromagnetic valve 3, an air cylinder 4, a controller 6 and a sand scattering rod 7. The air pump 1 is used for generating air pressure; the electromagnetic valve 3 is connected with the air pump 1 and used for controlling the air pressure to enter the air cylinder 4; the cylinder 4 is connected with the electromagnetic valve 3 and used for controlling the self expansion and contraction amount according to the air pressure passing through the electromagnetic valve 3; the controller 6 is connected with the electromagnetic valve 3 and is used for controlling the opening size of the electromagnetic valve 3 according to the running speed of the electric locomotive; the sand spreading rod 7 is connected with the air cylinder 4 and used for controlling the sand spreading amount according to the expansion amount of the air cylinder 4.
In this embodiment, the apparatus further includes: sensor, motor 5, power supply and barometer 2.
The sensor is arranged on the electric locomotive, is connected with the controller 6 and is used for acquiring the running speed of the electric locomotive and transmitting the running speed to the controller 6. The motor 5 is connected with the air pump 1 and used for driving the air pump 1 to compress air. The power supply is connected with the motor 5 and used for providing electric energy for the motor 5. The barometer 2 is connected with the air pump 1 and used for displaying the air pressure of the air pump 1.
In this embodiment, the formula for controlling the opening size of the electromagnetic valve 3 according to the running speed of the electric locomotive is as follows:
in the formula, KOpening deviceThe opening ratio of the electromagnetic valve 3 is shown, and V is the running speed of the electric locomotive.
In this embodiment, the running speed of the electric locomotive controls the opening size of the electromagnetic valve 3 so as to control the amount of the sand spreading, and automatic and accurate sand spreading can be realized. When the running speed of the electric locomotive is high, the electric locomotive needs more sand for emergency braking; when the running speed of the electric locomotive is low, less sand is needed for emergency braking of the electric locomotive.
In this embodiment, the electromagnetic valve 3 is a proportional electromagnetic valve, and the controller 6 is a PLC controller.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the core concepts of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides an automatic device that spills sand of electric locomotive, its characterized in that, the device includes:
an air pump for generating air pressure;
the electromagnetic valve is connected with the air pump and used for controlling the air pressure to enter the air cylinder;
the cylinder is connected with the electromagnetic valve and used for controlling the self expansion and contraction amount according to the air pressure passing through the electromagnetic valve;
the controller is connected with the electromagnetic valve and used for controlling the opening size of the electromagnetic valve according to the running speed of the electric locomotive;
and the sand spreading rod is connected with the air cylinder and used for controlling the sand spreading amount according to the telescopic amount of the air cylinder.
2. The automatic sanding device for electric locomotives according to claim 1, characterized in that it further comprises:
and the sensor is arranged on the electric locomotive, is connected with the controller and is used for acquiring the running speed of the electric locomotive and transmitting the running speed to the controller.
3. The automatic sanding device for electric locomotives according to claim 1, characterized in that it further comprises:
and the motor is connected with the air pump and used for driving the air pump to compress air.
4. The automatic sanding device for electric locomotives according to claim 3, characterized in that it further comprises:
and the power supply is connected with the motor and used for providing electric energy for the motor.
5. The automatic sanding device for electric locomotives according to claim 1, characterized in that it further comprises:
and the air pressure meter is connected with the air pump and used for displaying the air pressure of the air pump.
6. The automatic sanding device for electric locomotives according to claim 2, wherein the formula for controlling the size of the opening of the electromagnetic valve according to the running speed of the electric locomotive is as follows:
in the formula, KOpening deviceAnd V is the opening ratio of the electromagnetic valve, and the running speed of the electric locomotive.
7. The automatic sanding device for electric locomotives according to claim 1, wherein said solenoid valve is a proportional solenoid valve.
8. The automatic sanding device for electric locomotives according to claim 1, wherein said controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010841195.8A CN111923937A (en) | 2020-08-20 | 2020-08-20 | Automatic sand scattering device of electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010841195.8A CN111923937A (en) | 2020-08-20 | 2020-08-20 | Automatic sand scattering device of electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111923937A true CN111923937A (en) | 2020-11-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010841195.8A Pending CN111923937A (en) | 2020-08-20 | 2020-08-20 | Automatic sand scattering device of electric locomotive |
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| Country | Link |
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| CN (1) | CN111923937A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU770850A1 (en) * | 1978-12-25 | 1980-10-15 | Московский Ордена Ленина И Ордена Трудового Красного Знамени Институт Инженеров Железнодорожного Транспорта | Apparatus for controlling sand transfer under wheels of railway transport vehicle |
| CN88200928U (en) * | 1988-01-23 | 1988-12-21 | 吉林省安图县白河林业局汽运处 | Auto-spreading sand type antiskid unit of motordriven vechicle |
| DE202014102881U1 (en) * | 2014-06-24 | 2014-07-03 | Mbm Holding Gmbh | Circuit arrangement for controlling sanding devices |
| CN106364497A (en) * | 2016-10-20 | 2017-02-01 | 中车南京浦镇车辆有限公司 | Rail vehicle sanding amount automatic adjustment method based on speed control |
-
2020
- 2020-08-20 CN CN202010841195.8A patent/CN111923937A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU770850A1 (en) * | 1978-12-25 | 1980-10-15 | Московский Ордена Ленина И Ордена Трудового Красного Знамени Институт Инженеров Железнодорожного Транспорта | Apparatus for controlling sand transfer under wheels of railway transport vehicle |
| CN88200928U (en) * | 1988-01-23 | 1988-12-21 | 吉林省安图县白河林业局汽运处 | Auto-spreading sand type antiskid unit of motordriven vechicle |
| DE202014102881U1 (en) * | 2014-06-24 | 2014-07-03 | Mbm Holding Gmbh | Circuit arrangement for controlling sanding devices |
| CN106364497A (en) * | 2016-10-20 | 2017-02-01 | 中车南京浦镇车辆有限公司 | Rail vehicle sanding amount automatic adjustment method based on speed control |
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Application publication date: 20201113 |