CN217347767U - Electricelectric battery electric scooptram's electric liquid arrestment mechanism - Google Patents
Electricelectric battery electric scooptram's electric liquid arrestment mechanism Download PDFInfo
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- CN217347767U CN217347767U CN202221138582.6U CN202221138582U CN217347767U CN 217347767 U CN217347767 U CN 217347767U CN 202221138582 U CN202221138582 U CN 202221138582U CN 217347767 U CN217347767 U CN 217347767U
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Abstract
The utility model relates to an underground mining machinery technical field just discloses an electricelectric battery power shovel's electric liquid arrestment mechanism, including the braking system body, the brake pump is installed to the left side lower part of braking system body, the export of brake pump is installed and is pressed oil and strain, the brake pump is strained through pressing oil and is installed the prefill valve, press oil and strain the P mouth with the prefill valve and link to each other. The potentiometer is additionally arranged on the foot brake valve, the magnitude of the electric signal is in direct proportion to the stroke of a pedal of the foot brake valve, the walking driving motor is controlled to reduce the rotating speed after calculation until the walking driving motor stops, and the speed of the vehicle is reduced by the reverse rotation of the motor, so that the aim of braking is fulfilled; and the brake pump can only act after being stepped downwards, compared with the prior art, most working conditions can be braked by the motor, the problems of heating, brake failure, brake damage and the like of the brake pump caused by frequent braking are reduced, and meanwhile, the energy loss of the system caused by braking of the brake pump can be reduced.
Description
Technical Field
The utility model relates to an underground mining machinery technical field specifically is an electricelectric battery electric scooptram's electricity liquid arrestment mechanism.
Background
The underground scraper is mainly used for underground mine and tunnel engineering, has a low body, a transversely arranged cab, and is provided with a smooth-surface or semi-smooth-surface underground mining cut-resistant engineering tire and a diesel engine tail gas purification device.
With the continuous improvement of the mechanization level of global mining industry, the underground scraper becomes necessary equipment for underground mining, the underground ventilation of the mine is poor, and tail gas discharged by the diesel scraper during working cannot be discharged immediately, so that the working environment is severe; the traditional electric scraper is provided with a cable, so that remote construction and transition are inconvenient, the requirement on the emission of a fuel truck is higher and higher along with the social attention on environmental problems, battery-driven mine trackless equipment becomes a new development direction at present, underground equipment is required to be subjected to wet braking, and the common problem is that the braking failure caused by the heating of a brake is common, so that the electro-hydraulic braking mechanism of the pure battery electric scraper is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an electricelectric battery power shovel's electric liquid arrestment mechanism compares prior art scheme and passes through motor braking, and it causes the braking inefficacy greatly easily to generate heat when solving prior art and depositing the frequent braking of stopper, and the problem that the fast fault rate of stopper friction disc wearing and tearing is high.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electricelectric battery electric scooptram's electric liquid braking mechanism, includes the braking system body, the brake pump is installed to the left side lower part of braking system body, the export of brake pump is installed and is pressed oil and strain, the brake pump is strained through pressing oil and is installed the prefill valve, it strains to press oil and links to each other with the P mouth of prefill valve.
Preferably, a parking solenoid valve is arranged on the surface of the liquid charging valve, the liquid charging valve is connected with a port P of the parking solenoid valve, and an energy accumulator is installed on the left side of the parking solenoid valve.
Preferably, a foot brake valve is installed on the right side of the parking solenoid valve, and the parking solenoid valve is connected with a port P of the foot brake valve.
Preferably, a controller is installed on the upper surface of the foot brake valve, and a walking driving motor is installed on the left side of the controller.
Preferably, a first check valve is installed on the lower portion of the right side of the braking system body, and a second check valve is installed on the upper portion of the right side of the braking system body.
Preferably, a brake pump driving motor is mounted on a surface of the brake pump.
Advantageous effects
Compared with the prior art, the utility model provides an electricelectric battery electric scooptram's electricity liquid arrestment mechanism possesses following beneficial effect:
according to the electro-hydraulic brake mechanism of the pure battery electric scraper, a potentiometer is additionally arranged on a foot brake valve, the magnitude of an electric signal is in direct proportion to the stroke of a pedal of the foot brake valve, when the foot brake valve is stepped, a front 20% stroke brake does not work, only an electric proportional signal is provided, a controller receives the signal provided by the foot brake valve, a walking driving motor is controlled to reduce the rotating speed after calculation until the walking driving motor stops, the speed of the motor is reduced through the reverse rotation of the motor, and the purpose of braking is achieved; and the brake pump can only act after being stepped downwards, compared with the prior art, most working conditions can be braked by the motor, the problems of heating, brake failure, brake damage and the like of the brake pump caused by frequent braking are reduced, and meanwhile, the energy loss of the system caused by braking of the brake pump is reduced, and the working time of the battery is prolonged.
Drawings
Fig. 1 is the utility model discloses pure battery electric scooptram electricity liquid braking system schematic diagram.
In the figure: 1. a braking system body; 2. a brake pump; 3. pressing oil filter; 4. a liquid charging valve; 5. an accumulator; 6. a parking solenoid valve; 7. a foot brake valve; 8. a controller; 9. a first check valve; 10. a travel driving motor; 11. a brake pump drive motor; 12. a second one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a technical scheme, an electricity liquid brake mechanism of pure battery electric scooptram, including braking system body 1, brake pump 2, press the hydraulic fluid to strain 3, prefill valve 4, energy storage ware 5, parking solenoid valve 6, foot brake valve 7, controller 8, first check valve 9, walking driving motor 10, brake pump driving motor 11 and second check valve 12, please refer to figure 1, brake pump 2 is installed to the left side lower part of braking system body 1, brake pump 2 is the gear pump, the export of brake pump 2 is installed and is pressed the hydraulic fluid to strain 3, brake pump 2 is installed and is strained 3 through pressing the hydraulic fluid and is installed prefill valve 4, press the hydraulic fluid to strain 3 and link to each other with the P mouth of prefill valve 4, the surface of prefill valve 4 is equipped with parking solenoid valve 6, and prefill valve 4 links to each other with the P mouth of parking solenoid valve 6, energy storage ware 5 is installed on the left side of solenoid valve 6, the A mouth of prefill valve 4 links to each other with energy storage ware 5, when the pressure of the energy accumulator 5 is lower than the set pressure of the liquid charging valve 4, hydraulic oil enters the energy accumulator 5 from an opening A, when the pressure of the energy accumulator 5 reaches the set pressure of the liquid charging valve 4, a valve core of the liquid charging valve 4 moves to close the opening A, the hydraulic oil returns to a tank through an opening O, the energy accumulator 5 stores the hydraulic oil with the pressure, when the brake fails, power is provided for a brake system in a short time, a foot brake valve 7 is installed on the right side of a parking electromagnetic valve 6, the parking electromagnetic valve 6 is connected with an opening P of the foot brake valve 7, the opening A of the parking electromagnetic valve 6 is connected with the opening P of the foot brake valve 7, the opening T is connected with the tank, when the brake is not electrified, the hydraulic oil in the brake pump 2 directly passes through the opening T to be connected with the tank, when the brake pump 2 is electrified, the hydraulic oil generated by the brake valve enters the foot brake valve 7 through the opening A, the foot brake valve 7 is provided with a potentiometer, the magnitude of an electric signal is in direct proportion to the stroke of a pedal of the foot brake valve 7, when the foot brake valve 7 is stepped, the brake with the front 20% of travel does not work, only a proportional electric signal is provided, the brake continues to step downwards, hydraulic oil of the foot brake valve 7 enters the brake, the brake can only work, the controller 8 is installed on the upper surface of the foot brake valve 7, the walking driving motor 10 is installed on the left side of the controller 8, the walking driving motor 10 is a variable frequency motor, the rotating speed of the walking driving motor is controlled by the controller 8, the controller 8 receives signals provided by the foot brake valve 7, the walking driving motor 10 is controlled to reduce the rotating speed until the walking driving motor stops after calculation, the vehicle speed is reduced through motor reversal, the purpose of braking is achieved, the first check valve 9 is installed on the lower portion of the right side of the brake system body 1, the second check valve 12 is installed on the upper portion of the right side of the brake system body 1, the brake pump driving motor 11 is installed on the surface of the brake pump 2, and the brake pump driving motor 11 can be a fixed frequency motor.
The working principle of the device is as follows: the system is characterized in that a potentiometer is additionally arranged on a foot brake valve 7, the magnitude of an electric signal is in direct proportion to the stroke of a pedal of the foot brake valve 7, when the foot brake valve 7 is stepped, a front 20 percent stroke brake does not work and only provides an electric proportional signal, a controller 8 receives a signal provided by the foot brake valve 7, and controls a walking driving motor 10 to reduce the rotating speed until the walking driving motor stops after calculation, and the speed is reduced by reversing the motor, so that the purpose of braking is achieved; and the brake pump 2 can only act after being stepped downwards, compared with the prior art, most working conditions can be braked by the motor, the problems of heating, brake failure, brake damage and the like of the brake pump 2 caused by frequent braking are reduced, and meanwhile, the energy loss of the system caused by braking of the brake pump 2 is reduced, and the working time of the battery is prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an electricelectric battery electric scooptram's electric liquid braking mechanism, includes braking system body (1), its characterized in that: the brake system is characterized in that a brake pump (2) is installed on the lower portion of the left side of the brake system body (1), a pressure oil filter (3) is installed at an outlet of the brake pump (2), a liquid charging valve (4) is installed on the brake pump (2) through the pressure oil filter (3), and the pressure oil filter (3) is connected with a P port of the liquid charging valve (4).
2. The electro-hydraulic brake mechanism of the battery-only electric scooptram of claim 1, characterized in that: the surface of prefill valve (4) is equipped with parking solenoid valve (6), and prefill valve (4) link to each other with the P mouth that holds parking solenoid valve (6), energy storage ware (5) are installed in the left side of parking solenoid valve (6).
3. The electro-hydraulic brake mechanism of the battery-only electric scooptram of claim 2, characterized in that: foot brake valve (7) are installed on the right side of parking solenoid valve (6), parking solenoid valve (6) link to each other with the P mouth of foot brake valve (7).
4. The electro-hydraulic brake mechanism of a battery-only electric scooptram of claim 3, characterized in that: the upper surface of foot brake valve (7) installs controller (8), walking driving motor (10) are installed in the left side of controller (8).
5. The electro-hydraulic brake mechanism of a battery-only electric scooptram of claim 1, characterized in that: a first one-way valve (9) is installed on the lower portion of the right side of the braking system body (1), and a second one-way valve (12) is installed on the upper portion of the right side of the braking system body (1).
6. The electro-hydraulic brake mechanism of the battery-only electric scooptram of claim 1, characterized in that: and a brake pump driving motor (11) is arranged on the surface of the brake pump (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221138582.6U CN217347767U (en) | 2022-05-12 | 2022-05-12 | Electricelectric battery electric scooptram's electric liquid arrestment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221138582.6U CN217347767U (en) | 2022-05-12 | 2022-05-12 | Electricelectric battery electric scooptram's electric liquid arrestment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217347767U true CN217347767U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221138582.6U Active CN217347767U (en) | 2022-05-12 | 2022-05-12 | Electricelectric battery electric scooptram's electric liquid arrestment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217347767U (en) |
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2022
- 2022-05-12 CN CN202221138582.6U patent/CN217347767U/en active Active
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