CN203876743U - Power apparatus of electric locomotive brake system - Google Patents
Power apparatus of electric locomotive brake system Download PDFInfo
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- CN203876743U CN203876743U CN201320797739.0U CN201320797739U CN203876743U CN 203876743 U CN203876743 U CN 203876743U CN 201320797739 U CN201320797739 U CN 201320797739U CN 203876743 U CN203876743 U CN 203876743U
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- braking clamp
- brake
- electric locomotive
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 46
- 238000009434 installation Methods 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 239000003245 coal Substances 0.000 abstract 1
- 238000005272 metallurgy Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 27
- 238000010586 diagram Methods 0.000 description 12
- 238000004146 energy storage Methods 0.000 description 10
- 238000010891 electric arc Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a power apparatus of an electric locomotive brake system. The power apparatus comprises an AC motor. An input end of the AC motor is connected with a frequency converter, and an output end of the AC motor is connected with an actuating member in a brake device. The motor in the brake device is the AC motor which replaces a DC motor, thereby overcoming a series of problems caused by the DC motor. The AC motor is low in starting current, almost has no arc, is low in failure rate, is nearly maintenance-free, helps to ensure that a locomotive runs normally, and also enables energy to be saved. Moreover, the AC motor and the frequency converter together are lower in price than the DC motor. Therefore, the power apparatus is an ideal option for main traction equipment for transporting minerals and instruments in coal mines, and underground main tunnels or galleries of metallurgy mines.
Description
Technical field
The utility model relates to electric locomotive field, relates to the actuating device of electric locomotive, and a kind of engine installation of electric locomotive system is provided.
Background technology
Electric locomotive of the prior art, the general brake mode adopting has electric braking, mechanical braking or air brake.
Because electric braking has larger damage to the electrical motor of electric locomotive, so generally do not allow to use, only have and in case of emergency just allow to use.
Pneumatic brake systems as depicted in figs. 1 and 2, is comprised of frame A, Air compressor 01, electrical motor 02, gas bag 03, baroswitch, safety valve 04, check valve 05, oil water separator 06, foot valve, compression indicator, brake shoe, lever system etc.The transmission device that electrical motor 02 consists of driving pulley mounted thereto and belt 02a and belt pulley 02b drives piston rod crank motion and provide pressurized air by airline 02c in cylinder body.When driver tramps with one's feet lower pedal, make pressurized air enter brake cylinder, by lever system, make brake shoe piece (locomotive has four groups) tightly embrace wheel (wheel to) tread, locomotive is implemented to braking; When unclamping pedal, release of brake.Pneumatic brake systems is main brake mode during locomotive work.
This case applicant also develops hydraulic efficiency pressure system disc braking device.
In above-mentioned various brake equipment, there is a drive motor, with the Air compressor in its driving brake equipment or the plunger pump of hydraulic efficiency pressure system etc.Drive motor of the prior art is all to adopt DC machine, for example, Air compressor in Pneumatic brake systems is as depicted in figs. 1 and 2 used direct current auxiliary traction motor as power, by key-board, combine and control, there is the following defect in this structure: starting current electric arc large, that produce is large, fault rate is high and maintenance difficult, not only often affect the normal operation of locomotive, and because the problems such as direct current auxiliary traction motor price is high, service expenditure is high exist, user's complaint the more, is wished to be improved.
Utility model content
The purpose of this utility model is to improve the deficiencies in the prior art, and a kind of engine installation of electric locomotive brake system of the shortcomings that can overcome DC machine is provided.
The purpose of this utility model is achieved in that
An engine installation for electric locomotive brake system, comprises an alternating current dynamo, and the input end of this alternating current dynamo connects a frequency converter, and this inverter output terminal connects the actuator in this braking assembling system.
The actuator that the mouth of described alternating current dynamo connects can be: the piston of the Air compressor of Pneumatic brake systems can be also the plunger pump of Hydraulic Station in hydraulic disc brake brake equipment.
The hydraulic disc brake brake equipment of described electric locomotive, comprise Hydraulic Station and brake gear, this Hydraulic Station connects the piston in this brake gear by hydraulic tubing, in this brake gear and the brake disc that is solidified as a whole of the wheel of electric locomotive corresponding with this piston, make Hydraulic Station drive this piston displacement and compress or unclamp described brake disc, realizing braking and the brake off of wheel.
Described brake gear comprises interior braking clamp and the outer braking clamp on the vehicle frame that is arranged at electric locomotive, on this inside and outside braking clamp, establish respectively into or oil outlet connect into or oil outlet pipe, the described hydraulic tubing that this enters or oil outlet pipe is connected with described Hydraulic Station connects, piston arrange one respectively in this interior braking clamp and outer braking clamp described in, two described pistons relatively, be separately positioned on the two sides of described brake disc.
Described in the described hydraulic tubing that connects described Hydraulic Station connects, enter or oil outlet pipe, the oil circuit module of connection is set between described interior braking clamp and outer braking clamp.
Described oil circuit module is: oil circuit one is set on the caliper of described interior braking clamp, and one end of this oil circuit one connects the chamber of described interior braking clamp, and a hole of offering on the end face of the other end and the external braking clamp mutually of interior braking clamp is communicated with; On this outer braking clamp, oil circuit two is set, its one end is communicated with the chamber of this outer braking clamp, the other end and outer braking clamp mutually internally the hole on the end face of braking clamp is communicated with, the described hole on two braking clamp end faces adopts sealing member connection.
On described oil circuit, offer the breather hole being in communication with the outside, on this breather hole, porous plug is set.
Described breather hole is arranged on the oil circuit one on described interior braking clamp, and the contrary direction of this end face of Kong Yu of offering on the described end face of described interior braking clamp is formed through this breather hole.
On the outer face of two this pistons corresponding with these brake disc both sides, set firmly brake rubber block.
Described Hydraulic Station comprises electrical motor, plunger pump, hydraulic efficiency pressure system and energy storage, this electrical motor connects this plunger pump, this plunger pump is arranged in this hydraulic efficiency pressure system, and this hydraulic efficiency pressure system connects this energy storage, and the described hydraulic tubing that connects described brake gear is set on this energy storage.
On the described hydraulic tubing that connects described brake gear, valve is set, this valve connects the foot-propelled operating control on electric locomotive.
Further, a pressure relay is installed on the junction circuit of described alternating current dynamo, this pressure relay is connected with the hydraulic efficiency pressure system of Hydraulic Station in described hydraulic efficiency pressure system disc braking device.This pressure relay is associated with the pressure sensor being arranged in corresponding hydraulic efficiency pressure system, incidence relation is: when in hydraulic efficiency pressure system, pressure is greater than the upper pressure limit of setting, this alternating current dynamo is stopped, when hydraulic efficiency pressure system is when pressure is less than the low pressure limit of setting, this alternating current dynamo is started.
Driver can as required, by regulating this pressure relay, regulate upper pressure limit and lower limit.By at Hydraulic Station, energy storage being set, even and above-mentioned pressure relay can so that the power-off when the underground work of colliery of this electric locomotive also can repeatedly brake.
The engine installation of the electric locomotive brake system that the utility model provides, by changing the motor in brake equipment into alternating current dynamo by DC machine, overcome the series of problems being brought by DC machine, its starting current is little, almost there is no any electric arc, fault rate is very low, hardly with maintenance, can not only guarantee the normal operation of locomotive, and energy-conservation, have again, alternating current dynamo is added together also cheap than DC machine with frequency converter, therefore, the utility model is colliery, main tunnel, metallurgical mine down-hole or galleries transportation mineral, the ideal chose of the main tractor equipment of equipment.
Accompanying drawing explanation
Fig. 1 is air brake power system works schematic diagram in prior art.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
The engine installation of electric locomotive brake system that Fig. 3 provides for the utility model and the connection structure schematic diagram of the Hydraulic Station adapted of hydraulic disc brake brake system.
Fig. 4 is the plan structure schematic diagram of Fig. 4.
Fig. 5 is the hydraulic disc brake brake system schematic diagram shown in Fig. 3.
Fig. 6 is the plan structure schematic diagram of Fig. 5.
Fig. 7 is the structural representation of brake gear in the hydraulic disc brake device of Fig. 3.
Fig. 8 is the plan structure schematic diagram of Fig. 7.
Fig. 9 is the fixed connection structure schematic diagram of brake disc and wheel.
Figure 10 is the structural representation of interior braking clamp.
Figure 10 a is the left TV structure schematic diagram of Figure 10.
Figure 10 b is the A-A sectional structure schematic diagram of Figure 10.
Figure 11 is the structural representation of outer braking clamp.
Figure 11 a is the left TV structure schematic diagram of Figure 11.
Figure 11 b is the B-B sectional structure schematic diagram of Figure 11.
The specific embodiment
The electric locomotive brake electronic device that the utility model provides, comprises an actuating device, and this actuating device is an alternating current dynamo 11, and the input end of this alternating current dynamo 11 connects a frequency converter 11a, and its mouth connects the actuator in this brake equipment.
Below a hydraulic disc brake brake system be example explanation.
As shown in Fig. 3,4 Fig. 6, this Hydraulic Station 1 comprises electrical motor 11, plunger pump 12, hydraulic efficiency pressure system and energy storage 13, this electrical motor 11 connects this plunger pump 12, this plunger pump 12 is arranged in this hydraulic efficiency pressure system, this hydraulic efficiency pressure system connects this energy storage 13, and the described hydraulic tubing 14 that connects described brake gear 2 is set on this energy storage 13.Hydraulic Station 1 is arranged on a support A.
Described brake gear 2 comprises by bolt 21a and is fixedly installed on the interior braking clamp 21 on the vehicle frame 3 of electric locomotive and the outer braking clamp 22 being solidified as a whole by bolt 22a and interior braking clamp, on this inside and outside braking clamp, establish respectively into (going out) oilhole a and connect described hydraulic tubing 14 connections that are connected with described Hydraulic Station 1 into (going out) oil pipe 23, in this interior braking clamp and outer braking clamp, arrange respectively 24, two described pistons 24 of a piston relatively, be separately positioned on the two sides of described brake disc 4.On the outer face of two this pistons 24 corresponding with these brake disc 4 both sides, by bolt 25a, set firmly brake rubber block 25.Oil sealing 26 and dust ring 27 are set between the piston 34 of inside and outside braking clamp and Qi Nei.
Described in the described hydraulic tubing 14 of connection Hydraulic Station 1 connects, enter (going out) oil pipe 23, give interior braking clamp fuel feeding, and the special oil circuit module of connection is set between interior braking clamp and outer braking clamp.
As shown in Figure 10, Figure 10 a, Figure 10 b and Figure 11, Figure 11 a, Figure 11 b, described oil circuit module is: oil circuit 1 is set on the caliper of interior braking clamp 21, the chamber 212 of braking clamp 21 in one end of this oil circuit 1 connects, a hole 214 of offering on the end face 213 of the other end and the external braking clamp 22 mutually of interior braking clamp 21 is communicated with; On outer braking clamp 22, oil circuit 2 221 is set, its one end is communicated with the chamber 222 of outer braking clamp 22, and the other end and outer the braking clamp 22 mutually hole 224 on the end face 223 of internal braking clamp 21 are communicated with, and two described holes described in two braking clamps on end face are communicated with hermetically.
By the above-mentioned oil circuit being opened on inside and outside braking clamp, can be so that this brake gear 2 simple in structure, compact, and oil circuit trend on braking clamp is extended along the caliper of braking clamp taper, again very rationally and be easy to processing, maintain easily.
In addition, in oil circuit, also offer the breather hole 215 being in communication with the outside, this breather hole 215 is opened on interior braking clamp 21, the hole 214 of offering on the described end face 213 of interior braking clamp 21 is formed through this breather hole 215 (seeing Figure 10 b) in the direction contrary with this end face, and porous plug 216 is set on this breather hole.
By hydraulic tubing 14, connect the piston 24 in these brake gears 2, in this brake gear 2 and the brake disc 4 that is solidified as a whole of the wheel 5 of electric locomotive corresponding with this piston 24.On the described hydraulic tubing 14 that connects described brake gear 2, valve (not shown) is set, this valve connects the foot-propelled operating control on electric locomotive.
Motor 11 actuation plunger pumps 12 in Hydraulic Station 1 rotate, to conveying liquid force feed in energy storage 13, make the pressure in this energy storage 13 reach setting value, by foot pedal apparatus, control the valve being arranged on hydraulic tubing 14, make hydraulic oil enter inside and outside braking clamp, drive these piston 24 displacements and compress or unclamp described brake disc, realizing braking and the brake off of wheel 5.
One pressure relay 11b is installed on the junction circuit of alternating current dynamo 11, and this pressure relay 11b is connected with the hydraulic efficiency pressure system of Hydraulic Station 1 in described hydraulic efficiency pressure system disc braking device.This pressure relay 11b is associated with the pressure sensor being arranged in corresponding hydraulic efficiency pressure system, incidence relation is: when in hydraulic efficiency pressure system, pressure is greater than the upper pressure limit of setting, this alternating current dynamo 11 is stopped, when hydraulic efficiency pressure system is when pressure is less than the low pressure limit of setting, this alternating current dynamo 11 is started.
This electrical motor 11 is Y100L
1-4 phase asynchronous alternating-current motor/AC motors, its power is 2.2KW, rated voltage 380V, rotating speed 1420r/min, in the input circuit of this electrical motor 11, connect a frequency converter, the direct current (DC) that is 550V by the voltage under mine converts the alternating current input electrical motor 11 that voltage is 380V to.This frequency converter can also regulate the rotating speed of electrical motor 11.
The system that alternating-current motor/AC motor 11 is connected with frequency converter 11a is also applicable to the driving of the Air compressor of Pneumatic brake systems.
Hydraulic disc brake brake system principle of work is as follows:
The switch of this hydraulic efficiency pressure system on the operating console of electric locomotive is threaded to behind open position, in Hydraulic Station, electrical motor 11 and plunger pump 12 are started working, after system oil pressure reaches 10MPa, electrical motor 11 quits work automatically, after system oil pressure is lower than 5MPa, electrical motor 11 is started working again, and this process relies on two and can regulate the pressure relay of pressure size automatically to realize.
In this course, the energy storage 13 in hydraulic efficiency pressure system can store the high-pressure liquid oil of 2L, during Hydraulic Station 1 quits work, realizes the repeatedly braking of locomotive.
When driver is with after foot-operated lower foot valve, the hydraulic oil of the certain pressure storing in Hydraulic Station is transported in the cylinder barrel of braking clamp in four groups, locomotive by hydraulic tubing, again by the oil circuit module between inside and outside braking clamp, make also to input in the cylinder barrel of outer braking clamp the oil of uniform pressure.Two pistons 24 of installing in opposite directions in inside and outside braking clamp, be subject to identical oil pressure effect and displacement in opposite directions simultaneously, thereby the brake rubber block that promotes to be arranged on two piston end surfaces is in opposite directions to brake disc 4 displacements that are arranged on locomotive wheel, and progressively give brake disc certain pressure, thereby realize the braking of locomotive.
Claims (10)
1. an engine installation for electric locomotive brake system, is characterized in that: comprise an alternating current dynamo, the input end of this alternating current dynamo connects a frequency converter, and this inverter output terminal connects the actuator in this brake system; The actuator that the mouth of described alternating current dynamo connects is: the piston of the Air compressor of Pneumatic brake systems, or the plunger pump of Hydraulic Station in hydraulic efficiency pressure system disc braking device.
2. the engine installation of electric locomotive brake system according to claim 1, it is characterized in that: the hydraulic disc brake brake equipment of described electric locomotive, comprise Hydraulic Station and brake gear, this Hydraulic Station connects the piston in this brake gear by hydraulic tubing, in this brake gear and the brake disc that is solidified as a whole of the wheel of electric locomotive corresponding with this piston, make Hydraulic Station drive this piston displacement and compress or unclamp described brake disc, realizing braking and the brake off of wheel.
3. the engine installation of electric locomotive brake system according to claim 2, it is characterized in that: described brake gear comprises interior braking clamp and the outer braking clamp on the vehicle frame that is arranged at electric locomotive, on this inside and outside braking clamp, establish respectively into or oil outlet connect into or oil outlet pipe, the described hydraulic tubing that this enters or oil outlet pipe is connected with described Hydraulic Station connects, piston arrange one respectively in this interior braking clamp and outer braking clamp described in, two described pistons relatively, be separately positioned on the two sides of described brake disc.
4. the engine installation of electric locomotive brake system according to claim 3, is characterized in that: described in the described hydraulic tubing that connects described Hydraulic Station connects, enter or oil outlet pipe, the oil circuit module of connection is set between described interior braking clamp and outer braking clamp.
5. the engine installation of electric locomotive brake system according to claim 4, it is characterized in that: described oil circuit module is: oil circuit one is set on the caliper of described interior braking clamp, one end of this oil circuit one connects the cylinder barrel of described interior braking clamp, and a hole of offering on the end face of the other end and the external braking clamp mutually of interior braking clamp is communicated with; On this outer braking clamp, oil circuit two is set, its one end is communicated with the cylinder barrel of this outer braking clamp, the other end and outer braking clamp mutually internally the hole on the end face of braking clamp is communicated with, the described hole on two braking clamp end faces adopts sealing member connection.
6. the engine installation of electric locomotive brake system according to claim 4, is characterized in that: on described oil circuit, offer the breather hole being in communication with the outside, on this breather hole, porous plug is set.
7. the engine installation of electric locomotive brake system according to claim 5, is characterized in that: on described oil circuit, offer the breather hole being in communication with the outside, on this breather hole, porous plug is set.
8. the engine installation of electric locomotive brake system according to claim 7, it is characterized in that: described breather hole is arranged on the oil circuit one on described interior braking clamp, the contrary direction of this end face of Kong Yu of offering on the described end face of described interior braking clamp is formed through this breather hole.
9. according to the engine installation of the electric locomotive brake system described in claim 2 or 3, it is characterized in that: described Hydraulic Station comprises electrical motor, plunger pump, hydraulic efficiency pressure system and accumulator, this electrical motor connects this plunger pump, this plunger pump is arranged in this hydraulic efficiency pressure system, this hydraulic efficiency pressure system connects this accumulator, and the described hydraulic tubing that connects described brake gear is set on this accumulator;
On the described hydraulic tubing that connects described brake gear, valve is set, this valve connects the foot-propelled operating control on electric locomotive.
10. the engine installation of electric locomotive brake system according to claim 1, it is characterized in that: a pressure relay is installed on the junction circuit of described alternating current dynamo, and this pressure relay is connected with the hydraulic efficiency pressure system of Hydraulic Station in described hydraulic efficiency pressure system disc braking device; This pressure relay is associated with the pressure sensor being arranged in corresponding hydraulic efficiency pressure system, incidence relation is: when in hydraulic efficiency pressure system, pressure is greater than the upper pressure limit of setting, this alternating current dynamo is stopped, when hydraulic efficiency pressure system is when pressure is less than the low pressure limit of setting, this alternating current dynamo is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797739.0U CN203876743U (en) | 2013-12-06 | 2013-12-06 | Power apparatus of electric locomotive brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797739.0U CN203876743U (en) | 2013-12-06 | 2013-12-06 | Power apparatus of electric locomotive brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203876743U true CN203876743U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797739.0U Expired - Lifetime CN203876743U (en) | 2013-12-06 | 2013-12-06 | Power apparatus of electric locomotive brake system |
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| Country | Link |
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| CN (1) | CN203876743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984452A (en) * | 2015-03-21 | 2016-10-05 | 株式会社万都 | Pump structure of electric integrated hydraulic brake device |
-
2013
- 2013-12-06 CN CN201320797739.0U patent/CN203876743U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984452A (en) * | 2015-03-21 | 2016-10-05 | 株式会社万都 | Pump structure of electric integrated hydraulic brake device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |
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| CX01 | Expiry of patent term |