A multi-functional emergency device with lithium battery

Abstract

This utility model discloses a multi-functional emergency device for lithium batteries, belonging to the field of emergency equipment for railway engineering. The multi-functional emergency device for lithium batteries includes: an electric motor; a hydraulic pump capable of being driven by the electric motor; a lifting accessory connected to the hydraulic pump via a hydraulic pipeline; a reversing valve, one end connected to the output end of the hydraulic pump and the other end connected to the lifting accessory; and an ultra-high pressure conversion accessory, one end connected to the hydraulic pump and the other end connected to the lifting accessory, used to increase the oil pressure output by the hydraulic pump to the lifting accessory.

Description

Technical Field

[0001] This utility model relates to the field of emergency equipment for railway engineering, specifically to a multi-functional emergency device using lithium batteries. Background Technology

[0002] Railway engineering work vehicles mainly rely on hydraulic systems to complete their work. However, during operation, there are situations where the working device cannot be retracted, hydraulic components malfunction (such as hydraulic valve group jamming, hydraulic oil pipe bursting, oil cylinder breakage, etc.), or even the vehicle derails. Therefore, existing mechanical vehicles are generally equipped with at least two sets of emergency hydraulic equipment: one set for situations where the working device cannot be retracted, and the other set for situations where the hydraulic components of the work vehicle malfunction or derails.

[0003] In some existing technologies, to ensure the reliability and safety of railway engineering machinery operations and guarantee the safe operation of railway lines, existing railway engineering vehicles are all equipped with hydraulic emergency devices.

[0004] The hydraulic emergency device is connected to the hydraulic system of the work vehicle; in the event of a power supply failure in the hydraulic system of the work vehicle, the hydraulic emergency device provides power to complete the retraction action of the working device.

[0005] However, the hydraulic emergency device can only provide power when the hydraulic system of the work vehicle fails; when the hydraulic components in the hydraulic system fail, the hydraulic emergency device cannot work properly even if an additional power source is provided.

[0006] In some other existing technologies, each fleet is equipped with a set of special equipment for derailment recovery, which consists of a prime mover (electric motor, internal combustion engine), hydraulic pump, oil tank, valve group, oil cylinder, etc.

[0007] The derailment recovery equipment can only be used for derailment recovery and cannot be used to solve other problems of the work vehicle; secondly, the increase in the number of equipment has multiplied the cost of equipment procurement and use. Utility Model Content

[0008] To address the shortcomings of existing technologies, this utility model proposes a multifunctional emergency device powered by lithium batteries.

[0009] The objective of this utility model can be achieved through the following technical solutions:

[0010] This utility model relates to a multi-functional emergency device for lithium batteries, comprising:

[0011] Electric motor;

[0012] Hydraulic pumps can be driven by electric motors;

[0013] The lifting components are connected to the hydraulic pump via hydraulic pipelines.

[0014] The reversing valve is connected at one end to the output end of the hydraulic pump and at the other end to the lifting accessory;

[0015] In addition, an ultra-high pressure conversion component, one end of which is connected to the hydraulic pump and the other end of which is connected to the lifting component, is used to increase the oil pressure output by the hydraulic pump to the lifting component.

[0016] Optionally, a lithium battery is also included to power the electric motor.

[0017] Optionally, the ultra-high pressure conversion component is equipped with at least one of a booster, an unloading valve, a relief valve, and a high-pressure reversing valve.

[0018] Optionally, a display screen is also included, powered by the lithium battery.

[0019] Optionally, a remote start switch is connected to the display screen.

[0020] Optionally, the motor is a permanent magnet motor.

[0021] Optionally, it also includes oil tank A and oil tank B, which are used to supply oil to the input end of the hydraulic pump and to receive the return oil from the lifting accessories, respectively.

[0022] Optionally, the directional valve is equipped with at least one of a shut-off valve, a relief valve, and a pressure testing connector; the pressure testing connector is used to connect an external oil pressure testing device.

[0023] Optionally, the hydraulic pump also includes an atmospheric pressure output port for connecting to the atmospheric pressure accessories of an external engineering vehicle.

[0024] Optionally, the atmospheric pressure accessories include at least one of the following: tamping device, rammer, rail lifting device, satellite trolley, clamp, stabilizing device, and shaft support lifting cylinder.

[0025] The beneficial effects of this utility model are:

[0026] 1. Add an independent power source (lithium battery);

[0027] 2. It adopts an AC permanent magnet synchronous motor, which has lower energy consumption compared to the three-phase AC asynchronous motor used in other emergency devices;

[0028] 3. Add a smart touchscreen, which can display and record the real-time data of the entire system on the main page. The touchscreen can also alarm and record abnormal situations.

[0029] 4. The emergency device of this application is suitable for a variety of fault conditions, and can output normal pressure power and boosted ultra-high pressure power according to on-site needs. Attached Figure Description

[0030] The present invention will be further described below with reference to the accompanying drawings.

[0031] Figure 1 This is a schematic diagram of the structure of the lithium battery multi-functional emergency device of this application.

[0032] Figure 2 This is a schematic diagram of the assembly state of the hydraulic pump and electric motor of this application.

[0033] Figure 3 This is a schematic diagram of the valve block structure of this application.

[0034] In the picture:

[0035] 1. Lifting components; 2. Normal pressure pipeline reversing valve; 3. Ultra-high pressure conversion components; 4. Display screen; 5. Chassis; 6. Lithium battery; 7. Oil tank B; 8. Oil tank A; 9. Bolts; 10. Gaskets; 11. Hydraulic pump; 12. Electric motor. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0037] In some embodiments, a lithium-ion battery multi-functional emergency device is disclosed, including a power supply, an electric motor 12, a hydraulic pump 11, external expansion accessories and ultra-high voltage conversion accessories 3, and a lifting accessory 1.

[0038] Specifically, the power source provides power to the motor, driving the hydraulic pump 11. The connection between the motor and the hydraulic pump 11 can be via a coupling, connecting the output shaft of the motor 12 and the input shaft of the hydraulic pump 11, thereby transmitting the torque and speed of the motor 12 to the hydraulic pump 11. In some embodiments, the motor and the hydraulic pump 11 can be connected via a gearbox, which can be used to adjust or configure a suitable transmission ratio. The power source can be a lithium battery 6, or other batteries or energy storage devices capable of storing / releasing electrical energy.

[0039] The operation of the hydraulic pump 11 may include: the moving parts inside the hydraulic pump 11 start to rotate, creating a partial vacuum in the oil suction chamber, and drawing hydraulic oil from the oil tank A8; the drawn-in oil is forced to the oil discharge chamber by the moving parts of the pump, and the oil pressure increases due to the resistance at the outlet of the oil discharge chamber (e.g., a hydraulic actuator or valve), and the high-pressure hydraulic oil is delivered to the hydraulic pipeline, which can be used directly or indirectly to drive the hydraulic actuator.

[0040] The output end of the hydraulic pump 11 is equipped with both a normal pressure pipeline and a high pressure pipeline. The high pressure pipeline is equipped with an ultra-high pressure conversion component 3, enabling the high pressure pipeline to output hydraulic power higher than that of the normal pressure pipeline. Specifically, the high pressure pipeline can output a pressure of 10-80 MPa after pressurization. When connected to pressurized oil, it can directly control the operation of devices or equipment requiring a high-pressure oil source, such as lifting cylinders, lateral movement cylinders, and straightening cylinders.

[0041] In the atmospheric pressure pipeline, the pressure is the output pressure of the emergency pump, generally rated at 13-16 MPa (depending on the specific emergency pump model and vehicle vehicle), used for recovery operation devices, etc. An atmospheric pressure pipeline reversing valve 2 can be connected in series on the atmospheric pressure pipeline, used to adjust the reversing valve during the operation of the lifting accessory 1 to cause the hydraulic cylinder of the working device (lifting accessory 1) to extend and retract.

[0042] Atmospheric pressure pipelines are used to connect actuators driven by atmospheric pressure, such as, but not limited to, one or more of the following: tamping devices, rammers, rail lifting devices, satellite trolleys, clamps, stabilizing devices, and shaft support lifting cylinders.

[0043] In some embodiments of this utility model, the ultra-high pressure conversion accessory can be the emergency pump front-end multi-loop energy expansion device described in patent document CN115750501A.

[0044] For example, the oil inlet of the ultra-high pressure conversion component 3 is connected to the pressure oil port of the lithium battery multi-functional emergency device; the oil return port is connected to the oil tank for hydraulic oil to return to the oil tank.

[0045] The ultra-high pressure conversion component 3 is equipped with a reversing valve: during the operation of the lifting component 1, the reversing valve is adjusted to cause the hydraulic cylinder of the working device (e.g., lifting component 1) to extend and retract. In other examples, the ultra-high pressure conversion component 3 is also equipped with a booster, a relief valve, a shut-off valve, a pressure gauge, a working port, etc. The booster can pressurize the pressure oil output by the emergency device to meet the system's operating requirements; the relief valve regulates the maximum pressure of the medium-pressure circuit of the ultra-high pressure conversion component, and opens when the pressure in the circuit exceeds the set pressure of the relief valve; the shut-off valve is used to regulate the pressure in the ultra-high pressure circuit; the pressure gauge can be used to monitor the output pressure of the ultra-high pressure conversion component 3 in real time; the working port is equipped with two output ports, which are connected to the two oil ports of the lifting component 1 respectively.

[0046] In some examples, the lifting accessory 1 can be a hydraulically driven lifting cylinder that performs up and down strokes.

[0047] A normal pressure line reversing valve 2 can be installed between the hydraulic pump 11 and the lifting accessory 1 to switch between the normal pressure line and the high pressure line. Specifically, the functions of the normal pressure line reversing valve 2 may include: (i) receiving pressurized oil output from the hydraulic pump 11 at the inlet; (ii) outputting pressurized oil to the hydraulic device (e.g., the cylinder of the lifting accessory 1) through the outlet; and (iii) receiving the pressurized oil returned from the cylinder of the hydraulic device through the return port and returning it to the oil tank B7.

[0048] The hydraulic pump 11 is equipped with a valve block, which can be a hydraulic device with hydraulic input and output functions and hydraulic pipeline switching functions. For example, it can be equipped with a relief valve, a shut-off valve, an oil inlet (e.g., for connecting the hydraulic pump 11 to the lithium battery multi-functional emergency device), a pressure port (e.g., for connecting to a normal pressure accessory or hydraulic actuator), a return port, and a pressure measuring interface. Specifically, the relief valve can be used to regulate the maximum pressure; when the system pressure is higher than the set pressure of the relief valve, the relief valve opens. The pressure measuring interface is used to monitor the pressure of the emergency device system in real time. The oil inlet can be connected to the hydraulic pump 11; hydraulic oil from the tank enters the valve block through the valve block's oil inlet after passing through the hydraulic pump 11. The return port is connected to the tank, allowing the hydraulic oil overflowing from the relief valve and shut-off valve to flow back to the tank. The pressure port can be connected to the working device (such as the working vehicle itself, the lifting accessory 1, etc.) and / or external expansion accessories (such as normal pressure accessories, ultra-high pressure conversion accessories 3, etc.) to provide a pressure source.

[0049] In some implementations, if the hydraulic system of the engineering vehicle loses hydraulic power, but the actuators or atmospheric pressure components are working normally, the hydraulic pump 11 in the lithium battery multi-functional emergency device is directly connected to the hydraulic system of the engineering vehicle as a backup power source to drive the atmospheric pressure components to reset.

[0050] If the hydraulic power source of the engineering vehicle is functioning normally, but the atmospheric pressure component cannot be retracted (for example, a malfunction in the hydraulic pipeline or hydraulic components between the hydraulic power source and the atmospheric pressure component), the hydraulic pump 11 of the lithium-ion battery multi-functional emergency device can be connected to the atmospheric pressure component of the engineering vehicle via a reversing valve to drive its retraction. Alternatively, a lifting component 1 can be used, whereby the hydraulic pump 11, connected to and driven by the reversing valve, lifts the atmospheric pressure component of the engineering vehicle to its reset position. When the provided atmospheric pressure is insufficient to lift the actuators of the engineering vehicle, the hydraulic pump 11 can be connected to an ultra-high pressure conversion component 3, which, when connected to the lifting component 1, provides a greater lifting force.

[0051] Since the hydraulic pump 11 and the electric motor 12 maintain a constant mechanical connection and transmission link, a housing 5 (or a frame or other form) can be provided for easy carrying and storage. The hydraulic pump 11 and the electric motor 12 are then mechanically connected (e.g., fastened with bolts and nuts) and assembled inside the housing 5. In some embodiments, the hydraulic pump 11 and the motor housing can be assembled using bolts 9 and washers 10 to achieve installation and fixation (e.g., as shown in the image). Figure 2 (As shown).

[0052] The lithium-ion battery intelligent multi-functional emergency pump is designed with a detachable structure. When a part of the lithium-ion battery multi-functional emergency device (such as the ultra-high pressure conversion accessory 3, the reversing valve, the lifting accessory 1, etc.) is not in use, it can be disassembled for easy storage and placement.

[0053] In some embodiments, when an engineering vehicle derails, the ultra-high pressure conversion component 3 and the lifting component 1 are first removed; the lifting component 1 is then placed in a position where the vehicle body needs to be lifted / suitable for lifting. Then, the hydraulic pump 11 is connected to the lifting component 1 via the ultra-high pressure conversion component 3, driving the lifting component 1 to lift the vehicle body.

[0054] In some embodiments, the lifting accessory 1 may be equipped with more cylinders, such as a lateral movement cylinder, a straightening cylinder, and a lifting cylinder. The power output of the hydraulic pump 11 is sequentially switched between the lateral movement cylinder, the straightening cylinder, and the lifting cylinder via valve reversal. Therefore, when the lithium battery 6 is activated to power the emergency pump and the touchscreen 4, the electric motor 12 drives the hydraulic pump 11, enabling it to perform lateral movement, straightening, and lifting actions (the specific steps and sequence depend on the on-site conditions), thus resetting the vehicle.

[0055] In some embodiments, when the hydraulic working device of the engineering vehicle (e.g., tamping device, rammer, rail lifting device, satellite trolley, clamp, stabilizing device, axle support lifting cylinder, etc.) cannot be retracted, the lithium battery 6 is first activated to power the motor 12 (or also includes the touch screen 4), and the motor 12 drives the hydraulic pump 11 to provide pressure to the hydraulic system so that the hydraulic working device can be retracted.

[0056] In some embodiments, when the hydraulic components carried by the work vehicle fail, the lithium-ion battery multi-functional emergency device of this application can be used to replace the hydraulic components carried by the work vehicle to complete the retraction action of the hydraulic cylinder. Specifically, it includes the following steps: first, remove the external extension accessory (atmospheric pressure accessory); install the external extension accessory onto the hydraulic pump 11; then start the lithium battery 6 to power the motor 12 and the touch screen 4, and then the motor 12 drives the hydraulic pump 11 (connected to the hydraulic cylinder of the work vehicle that needs to be driven) to generate driving force and retract the hydraulic cylinder.

[0057] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0058] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A multi-functional emergency device powered by a lithium battery, characterized in that, include: Electric motor; Hydraulic pumps can be driven by electric motors. The lifting components are connected to the hydraulic pump via hydraulic pipelines. The reversing valve is connected at one end to the output end of the hydraulic pump and at the other end to the lifting accessory; In addition, an ultra-high pressure conversion component, one end of which is connected to the hydraulic pump and the other end of which is connected to the lifting component, is used to increase the oil pressure output by the hydraulic pump to the lifting component.

2. The lithium battery multi-functional emergency device according to claim 1, characterized in that, It also includes lithium batteries, which are used to power the electric motor.

3. The lithium battery multi-functional emergency device according to claim 1, characterized in that, The ultra-high pressure conversion component is equipped with at least one of the following: a booster, an unloading valve, a relief valve, and a high-pressure reversing valve.

4. The lithium battery multi-functional emergency device according to claim 2, characterized in that, It also includes a display screen, which is powered by the lithium battery.

5. The lithium battery multi-functional emergency device according to claim 4, characterized in that, The display screen is equipped with a remote start switch.

6. The lithium battery multi-functional emergency device according to claim 1, characterized in that, The electric motor is a permanent magnet motor.

7. The lithium battery multi-functional emergency device according to claim 1, characterized in that, It also includes oil tank A and oil tank B, which are used to supply oil to the input end of the hydraulic pump and to receive the return oil from the lifting components, respectively.

8. The lithium battery multi-functional emergency device according to claim 1, characterized in that, The hydraulic pump is connected to a valve block, which is equipped with at least one of a shut-off valve, a relief valve, and a pressure testing connector; the pressure testing connector is used to connect an external oil pressure testing device.

9. The lithium battery multi-functional emergency device according to claim 1, characterized in that, The hydraulic pump also includes an atmospheric pressure output port for connecting to atmospheric pressure components of engineering vehicles.

10. The lithium battery multifunctional emergency device according to claim 9, characterized in that, The atmospheric pressure components include at least one of the following: tamping device, rammer, rail lifting device, satellite trolley, clamp, stabilizing device, and shaft support lifting cylinder.

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