Combined type large railway maintenance machinery rescue lifting and returning emergency pump station system
The combined railway large-scale track maintenance machinery rescue and recovery emergency pump station system, which integrates a motor, gear pump, and valve combination booster, solves the problem of low reset efficiency caused by hydraulic system failure, and achieves efficient emergency reset and hydraulic support in the event of derailment.
Patent Information
- Application Number
- CN202520584294.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Large railway maintenance machinery is prone to hydraulic system failures during operation, leading to derailment or malfunction. Existing emergency systems provide insufficient pressure, have low reset efficiency, and are complex to operate.
Design a combined emergency pump station system for the rescue and recovery of large railway maintenance machinery. The hydraulic system integrated in the box includes a motor, gear pump, valve combination booster, and high-low pressure switching controlled by a reversing valve to provide 50MPa high-pressure power support.
It improves emergency reset efficiency, reduces installation space and operator workload, and can quickly provide the necessary hydraulic power for the working mechanism and derailment situations, ensuring the normal operation of the machinery.
Smart Images

Figure CN223754390U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to railway maintenance equipment technical field, concretely relates to a combined type railway large road maintenance machinery rescue liftout emergency pump station system. BACKGROUND
[0002] The large railway road maintenance machinery is in the construction operation or running process, because the complex structure, and the operation condition is bad, inevitably will have the failure, especially in the line comprehensive overhaul operation, such as changing rail, comprehensive operation such as screen cleaning, the line condition is very bad, more increase the probability of the accident such as derailment, the hydraulic system paralysis in the operation mechanism, thereby leading to the large railway road maintenance machinery unable normal operation, the large machine drops the track and cannot reset to the car collection state in time, will make the railway line interruption, can influence the operation of the follow-up vehicle, even lead to the accident.
[0003] At present, in order to prevent the hydraulic system driven pump of the operation mechanism of the large road maintenance machinery from failure, a set of emergency system is generally increased in the vehicle, the emergency system can only provide 16MPa low pressure, when the vehicle derails in special circumstances, the liftout device needs to be used to reset, and the liftout device still needs the external hydraulic station to provide 50MPa high pressure, which is complex and low in efficiency. In view of the above problems, the combined type railway large road maintenance machinery rescue liftout emergency pump station system is proposed, which can be directly installed on the large road maintenance machinery and can provide hydraulic power for the emergency reset of the operation device of the large machine and the emergency liftout after the large machine drops the track. UTILITY MODEL CONTENTS
[0004] To solve the above problems, the utility model provides a combined type railway large road maintenance machinery rescue liftout emergency pump station system, which comprises a box body, an oil inlet, a low-pressure oil outlet, a low-pressure oil return port, a high-pressure oil outlet and a high-pressure oil return port are arranged on the surface of the box body, a hydraulic system is installed in the box body, the hydraulic system comprises a motor, a gear pump and a valve combination booster, the motor is connected with the gear pump through a connecting shaft, a hydraulic pipeline A is installed on the left side of the gear pump and connected with the oil inlet, the gear pump is connected with the valve group, the valve group is on the right side of the gear pump, a hydraulic pipeline B is installed on the right side of the valve group and connected with the low-pressure oil outlet, three hydraulic pipelines C are installed on the left side of the valve group, among the three hydraulic pipelines C, one is connected with the low-pressure oil return port and the high-pressure oil return port, one is connected with the high-pressure oil outlet, and one is connected with the booster, a hydraulic pipeline D is installed on the upper side of the valve group and connected with the booster.
[0005] Further, a reversing valve is installed on the valve group, and the conversion of high pressure and low pressure output by the motor is controlled through the reversing valve.
[0006] Further, the motor and the box body are connected through bolts, and the valve group and the gear pump are connected through bolts.
[0007] Further, the external diameter of the hydraulic pipeline C connected with the high-pressure oil outlet is equal to the external diameter of the high-pressure oil outlet, the external diameter of the hydraulic pipeline C connected with the high-pressure oil return port is equal to the external diameter of the high-pressure oil return port, and the high-pressure oil outlet and the high-pressure oil return port are arranged side by side.
[0008] Further, the external diameter of the hydraulic pipeline A connected with the oil inlet is equal to the external diameter of the oil inlet, the external diameter of the hydraulic pipeline B connected with the low-pressure oil outlet is equal to the external diameter of the low-pressure oil outlet, the external diameter of the hydraulic pipeline C connected with the low-pressure oil return port is equal to the external diameter of the low-pressure oil return port, and the oil inlet, the low-pressure oil outlet and the low-pressure oil return port are arranged side by side.
[0009] Further, the top of the box body is provided with a top cover, the front wall of the box body is provided with a front door and a door lock, the right wall of the box body is provided with a high-pressure pressure gauge, a system pressure gauge, an electric operation panel door and a panel door lock, and the rear wall of the box body is provided with a rear cover.
[0010] Further, the device further comprises a recovery device flow divider, and the recovery device flow divider comprises an oil inlet, a low-pressure oil outlet, a low-pressure oil return port, a high-pressure oil outlet and a high-pressure oil return port.
[0011] The device has the following beneficial effects:
[0012] 1. The combined railway large-scale track maintenance machinery rescue recovery emergency pump station system combines two independent emergency systems commonly used in the original large-scale track maintenance machinery into one system, thereby reducing the installation space, reducing the labor intensity of the operator, improving the emergency recovery efficiency, providing power required for the emergency recovery of various large-scale track maintenance machinery operating devices, and providing the power required for the emergency recovery of the whole vehicle when the vehicle is derailed.
[0013] 2. When the power system or the hydraulic system of the large-scale track maintenance machinery fails and the operating mechanism cannot be recovered to the running locking state, the device can provide power for the emergency recovery of the operating mechanism so that the operating mechanism can be quickly recovered to the running locking device, and when the large-scale track maintenance machinery is derailed, the device can provide hydraulic power for the emergency recovery device. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structure schematic view of the box body in the utility model;
[0015] Figure 2 is another structure schematic view of the box body in the utility model;
[0016] Figure 3 is a hydraulic system composition diagram in the utility model;
[0017] Figure 4 is a connection structure schematic view of the motor in the utility model;
[0018] Figure 5 is a hydraulic pump station principle diagram in the utility model;
[0019] Figure 6 is a control panel principle diagram in the utility model.
[0020] The reference signs are explained as follows: 1, box body; 201, motor; 202, gear pump; 203, valve group; 204, pressure booster; 3, hydraulic pipeline A; 4, hydraulic pipeline B; 5, hydraulic pipeline C; 6, hydraulic pipeline D; 7, top cover; 8, front door; 9, door lock; 10, high pressure pressure gauge; 11, system pressure gauge; 12, electric appliance operation panel door; 13, rear cover. DETAILED DESCRIPTION
[0021] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying the importance of the opposite.
[0022] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0023] The utility model will be further described below in conjunction with the drawings of the specification:
[0024] A combined railway large track maintenance machinery rescue hoisting emergency pump station system, as shown in Figures 1-4 The box body 1 is internally provided with a hydraulic system, and the hydraulic system comprises a motor 201, a gear pump 202, a valve group 203 and a supercharger 204; the motor 201 is connected with the box body 1 through bolts, the valve group 203 and the gear pump 202 are connected through bolts, the motor 201 is connected with the gear pump 202 through a connecting shaft, the motor 201 is arranged in an inner shaft type and can be directly connected with the gear pump 202 without a shaft coupling, so that the structure is more compact; the left side of the gear pump 202 is provided with a hydraulic pipeline A3 connected with the oil inlet, the gear pump 202 is connected with the valve group 203, the valve group 203 is located at the right side of the gear pump 202, the right side of the valve group 203 is provided with a hydraulic pipeline B4 connected with the low-pressure oil outlet, the left side of the valve group 203 is provided with three hydraulic pipelines C5, among which one is connected with the low-pressure oil return port and the high-pressure oil return port, one is connected with the high-pressure oil outlet and one is connected with the supercharger 204, the upper side of the valve group 203 is provided with a hydraulic pipeline D6 connected with the supercharger 204; the valve group 203 is provided with a reversing valve, and the reversing valve is used for controlling the conversion of high pressure and low pressure output by the motor 201.
[0025] As shown in Figure 4 In the embodiment, the external diameter of the hydraulic pipeline C5 connected with the high-pressure oil outlet is equal to the external diameter of the high-pressure oil outlet, the external diameter of the hydraulic pipeline C5 connected with the high-pressure oil return port is equal to the external diameter of the high-pressure oil return port, and the high-pressure oil outlet and the high-pressure oil return port are arranged side by side; the external diameter of the hydraulic pipeline A3 connected with the oil inlet is equal to the external diameter of the oil inlet, the external diameter of the hydraulic pipeline B4 connected with the low-pressure oil outlet is equal to the external diameter of the low-pressure oil outlet, the external diameter of the hydraulic pipeline C5 connected with the low-pressure oil return port is equal to the external diameter of the low-pressure oil return port, and the oil inlet, the low-pressure oil outlet and the low-pressure oil return port are arranged side by side.
[0026] As shown in Figure 1 and Figure 2 In the embodiment, the top of the box body 1 is provided with a top cover 7, the front wall of the box body 1 is provided with a front door 8 and a door lock 9, the right wall of the box body 1 is provided with a high-pressure pressure gauge 10, a system pressure gauge 11, an electric operation panel door 12 and a panel door lock, and the rear wall of the box body 1 is provided with a rear cover 13; the hoisting device shunt block further comprises an oil inlet, a low-pressure oil outlet, a low-pressure oil return port, a high-pressure oil outlet and a high-pressure oil return port.
[0027] Please refer to Figure 5The utility model provides a technical scheme: a combined type railway large road maintenance machinery rescue and recovery emergency pump station system, hydraulic pump station working principle: motor 201 drives gear pump 202, pumps out hydraulic oil, when the change valve is in the middle position, P, T, A, B mouth links, and the hydraulic oil returns to the oil tank directly.
[0028] Please refer to Figure 6 The utility model provides a technical scheme: a combined type railway large road maintenance machinery rescue and recovery emergency pump station system, control panel working principle: when two change valves are in the middle position, system hydraulic oil returns to the oil tank directly through the middle position of change valve, and the whole system has no pressure display, when manual change valve one changes to left position, system pressure oil enters jack oil cylinder lower chamber, and the jack rises, when it changes to right position, hydraulic oil enters oil cylinder upper chamber, opens lower chamber hydraulic control check valve simultaneously, makes lower oil return, and the jack falls. Limiting valve is used for limiting the control pressure of hydraulic control check valve, avoids falling too fast because of reverse load when falling. Operating manual change valve two can move left and right for horizontal moving oil cylinder, and when this change valve is in the middle position, can keep horizontal moving oil cylinder in stable state for a short time.
[0029] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and description in the specification are only to illustrate the principle of the utility model, and the utility model will have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall into the scope of the utility model claimed.
Claims
1. A combined railway heavy maintenance of way machine rescue hoisting emergency pump station system, comprising a box (1), characterized in that: The box (1) surface is provided with oil inlet, low pressure oil outlet, low pressure oil return, high pressure oil outlet and high pressure oil return, the box (1) inside is provided with hydraulic system, the hydraulic system includes motor (201), gear pump (202), valve group (203) and booster (204);The motor (201) is connected with the gear pump (202) through the connecting shaft, the left side of the gear pump (202) is provided with hydraulic pipeline A (3) and is connected with the oil inlet, the gear pump (202) is connected with the valve group (203), the valve group (203) is located in the right side of the gear pump (202), the right side of the valve group (203) is provided with hydraulic pipeline B (4) and is connected with the low pressure oil outlet, the left side of the valve group (203) is provided with three hydraulic pipelines C (5), three hydraulic pipelines C (5), one is connected with the low pressure oil return, high pressure oil return, one is connected with the high pressure oil outlet, one is connected with the booster (204), the top of the valve group (203) is provided with hydraulic pipeline D (6) and is connected with the booster (204).
2. The combined railway heavy maintenance-of-way machine rescue hoist emergency pump station system of claim 1, wherein: The valve group (203) is provided with a reversing valve, and the conversion of high pressure and low pressure output by the motor (201) is controlled through the reversing valve.
3. The combined railway heavy maintenance-of-way machine rescue hoist emergency pump station system of claim 1, wherein: The motor (201) and the box (1) are connected by bolts, and the valve group (203) and the gear pump (202) are connected by bolts.
4. The combined railway heavy maintenance-of-way machine rescue hoist emergency pump station system of claim 1, wherein: The outer diameter of the hydraulic pipeline C (5) connected with the high pressure oil outlet is equal to the outer diameter of the high pressure oil outlet, the outer diameter of the hydraulic pipeline C (5) connected with the high pressure oil return is equal to the outer diameter of the high pressure oil return, and the high pressure oil outlet and the high pressure oil return are arranged side by side.
5. The combined railway heavy maintenance-of-way machine rescue hoist emergency pump station system of claim 1, wherein: The outer diameter of the hydraulic pipeline A (3) connected with the oil inlet is equal to the outer diameter of the oil inlet, the outer diameter of the hydraulic pipeline B (4) connected with the low pressure oil outlet is equal to the outer diameter of the low pressure oil outlet, the outer diameter of the hydraulic pipeline C (5) connected with the low pressure oil return is equal to the outer diameter of the low pressure oil return, and the oil inlet, the low pressure oil outlet and the low pressure oil return are arranged side by side.
6. The combined railway heavy maintenance-of-way machine rescue hoist emergency pump station system of claim 1, wherein: The top of the box (1) is provided with a top cover (7), the front wall of the box (1) is provided with a front door (8) and a door lock (9), the right wall of the box (1) is provided with a high pressure gauge (10), a system pressure gauge (11), an electric operation panel door (12) and a panel door lock, and the rear wall of the box (1) is provided with a rear cover (13).
7. The combined railway heavy maintenance-of-way machine rescue hoist emergency pump station system of claim 1, wherein: It also includes a starting and restoring device flow block, which includes an oil inlet, a low pressure oil outlet, a low pressure oil return, a high pressure oil outlet and a high pressure oil return.