Device for assisting starting of engine and heating of heating equipment

Abstract

The utility model relates to a device for assisting engine starting and heating equipment heating. The device comprises a bottom plate, a support, a heater, a water pump, an oil pump, a heat insulation plate, a heat insulation protection sleeve, a three-way connector and a three-way reversing ball valve. The heater, the water pump and the oil pump are arranged on the same bottom plate, and the bottom plate is fixed on the excavator platform, so that the whole device can be conveniently maintained and maintained, and the problems can be timely determined when the problems occur, so that the normal operation of the excavator is ensured, and the working efficiency is improved; through the arrangement of the heat insulation plate and the heat insulation protection sleeve, it is guaranteed that the heat insulation plate, the heat insulation protection sleeve and the heater are aligned in the vertical direction, and therefore the influence of high temperature at the exhaust pipe in the using process of the heater on power transmission lines and precise instruments in the excavator is reduced, and the fault rate of the excavator is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of low-temperature starting of automobiles and heating of driving cabs, in particular to a device for assisting engine starting and heating equipment. Background Art

[0002] The statements herein merely provide background art related to the present invention and do not necessarily constitute prior art.

[0003] Excavators play a vital role in modern construction projects, significantly improving work efficiency and ensuring safety. As a key component of an excavator, the proper starting of the engine is crucial for its operation. However, in the cold winter months, excavator engines can have difficulty starting, and the heating system in the cab is ineffective. This not only shortens the engine's service life but also prevents the operator from operating in a comfortable environment.

[0004] Existing technology installs heaters, water pumps, oil pumps, and other equipment within the excavator body to assist in starting the engine and heating the heating system. However, when the heater is in use, the heater's exhaust pipe generates high temperatures, which can easily cause fires in the excavator's power lines. It can also cause the excavator's precision components to become overheated and malfunction, affecting the excavator's operating efficiency. Furthermore, heaters, water pumps, oil pumps, and other equipment are often installed in different locations within the excavator body. This makes it difficult to quickly identify the faulty device in the event of a malfunction, and it is also difficult to repair the faulty device. Utility Model Content

[0005] The technical problem to be solved by the present invention is to provide a device for assisting engine starting and heating equipment, by utilizing a heat insulation board, a bracket and a heat insulation protective sleeve structure, so as to reduce the impact of the heater on other equipment and lines during use; and by centrally arranging the heater, water pump and oil pump on the same base plate, it is convenient to repair and maintain each device, and it can also realize the starting of the engine and the heating of the heating equipment at the same time.

[0006] The purpose of the utility model is to provide a device for assisting engine starting and heating equipment, comprising a base plate, a bracket, a heater, a water pump, an oil pump, a heat insulation board, a heat insulation protective sleeve, a three-way joint and a three-way reversing ball valve;

[0007] The bracket is fixed on the base plate with a gap between the bracket and the base plate, the heater is fixed above the bracket, the insulation board is arranged in the gap, the insulation protection sleeve is fixed on the bottom end of the base plate, and the heater, insulation board and insulation protection sleeve are aligned in the vertical direction; the water pump and the oil pump are fixed on two different sides of the heater, the three-way joint and the three-way reversing ball valve are fixed on the base plate, the oil pump, water pump and three-way joint are all connected to the heater through pipes, and the three-way reversing ball valve is respectively connected to the water pump and the three-way joint through pipes.

[0008] As a further technical solution, one opening of the three-way joint is connected to the heating equipment through a pipeline.

[0009] As a further technical solution, one opening of the three-way reversing ball valve is connected to the engine through a pipeline.

[0010] As a further technical solution, the three-way joint and the three-way reversing ball valve are fixed to the base plate through a wire seat.

[0011] As a further technical solution, the bracket adopts a U-shaped steel bracket.

[0012] As a further technical solution, the pipeline is specifically a hose.

[0013] As a further technical solution, the hose is made of silicone.

[0014] As a further technical solution, the heat insulation board and the heat insulation protection sleeve are made of asbestos.

[0015] As a further technical solution, the bottom plate is made of stainless steel.

[0016] Beneficial effects of one or more of the above technical solutions:

[0017] (1) The utility model arranges the heater, water pump and oil pump on the same base plate and fixes the base plate on the excavator platform, thereby facilitating the maintenance and upkeep of the entire device and promptly identifying the source of the problem when it occurs, thereby ensuring the normal operation of the excavator and improving work efficiency.

[0018] (2) The utility model provides a heat insulation plate and a heat insulation protective sleeve, and ensures that the heat insulation plate, the heat insulation protective sleeve and the heater are aligned in the vertical direction, thereby reducing the impact of the high temperature at the exhaust pipe on the power transmission lines and precision instruments in the excavator during the use of the heater, thereby reducing the failure rate of the excavator.

[0019] (3) The utility model provides a three-way joint and a three-way reversing ball valve, which can simultaneously meet the requirements of assisting engine starting and improving the heating effect of the heating equipment while reducing fuel consumption, and extend the service life of the engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings in the specification that constitute part of this application are used to provide further understanding of this application. In order to facilitate understanding, the proportions between the structures of each part have been adjusted. The schematic embodiments of this application and their descriptions are used to explain this application and do not constitute a limitation on this application.

[0021] Figure 1 The utility model is a structural schematic diagram of a device for assisting engine starting and heating equipment.

[0022] Figure 2 The utility model is a top view of a device for assisting engine starting and heating equipment.

[0023] Figure 3 This is a connection structure diagram of a device for assisting engine starting and heating equipment during operation according to the utility model.

[0024] Among them, 1. Base plate, 2. Bracket, 3. Heater, 4. Water pump, 5. Oil pump, 6. Three-way connector, 7. Three-way reversing ball valve, 8. Heat insulation board, 9. Engine, 10. Heating equipment, 11. Fuel tank, 12. Engine water outlet pipe, 13. Evaporator water outlet pipe, 14. Evaporator water inlet pipe, 15. Fuel pipe, 16. Heater water outlet pipe, 17. Three-way reversing ball valve outlet pipe, 18. Heater water inlet pipe, 19. Heat insulation protective sleeve, 20. Wire seat. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-3 , clearly and completely describe the technical solutions in the embodiments of the present utility model.

[0026] Example 1

[0027] Reference Figure 1-2 A device for assisting engine starting and heating equipment heating includes a base plate 1, a bracket 2, a heater 3, a water pump 4, an oil pump 5, a heat insulation board 8, a heat insulation protection sleeve 19, a three-way joint 6 and a three-way reversing ball valve 7.

[0028] In this embodiment, the base plate 1 refers to the lower base plate of the tool box in the excavator, and the base plate 1 is made of stainless steel; the bracket 2 is a U-shaped steel bracket, and the two side edges of the bracket 2 are fixed to the base plate 1 by welding, and a gap is left between the top edge of the bracket 2 and the base plate 1; at the same time, the number of brackets 2 can be adaptively selected according to the amount of installed equipment.

[0029] Heater 3 is bolted to bracket 2 and located above bracket 2. Considering that during use, a high-temperature area will form at the exhaust pipe of heater 3, which will affect the transmission performance of the power transmission line in the excavator and, in more serious cases, cause a fire in the power transmission line; in addition, high temperature will also affect the accuracy of high-precision instruments in the excavator, causing errors and mistakes during operation, affecting the corresponding construction progress and efficiency.

[0030] To this end, the present application sets an insulation board 8 in the gap between the bracket 2 and the base plate 1, and fixes the insulation board 8 on the base plate 1 by welding; at the same time, a heat insulation protective sleeve 19 is fixed on the lower bottom surface of the base plate 1 by welding, and ensures that the heater 3, the insulation board 8 and the heat insulation protective sleeve 19 are aligned in the vertical direction.

[0031] In addition, during installation, the bracket 2 and thermal insulation board 8 are mounted on the lower floor of the toolbox (referred to as floor 1) in the excavator. Floor 1 and thermal insulation sleeve 19 are bolted to the excavator platform. This means that the bracket 2 and thermal insulation board 8 are installed inside the toolbox, while the thermal insulation sleeve 19 is installed at the bottom of the toolbox, between the toolbox and the excavator platform.

[0032] Through the above arrangement, the heat shield 8 and the heat shield sleeve 19 can effectively insulate the heater 3 from the excavator body, thereby reducing the impact of the heater 3 on the excavator body. To further improve the heat insulation performance of the heat shield 8 and the heat shield sleeve 19, both the heat shield 8 and the heat shield sleeve 19 are made of asbestos.

[0033] Reference Figure 1-2 The water pump 4 and oil pump 5 are bolted to two different sides of the heater 3 to facilitate connection of the water pump 4 and oil pump 5 and avoid interference with the connecting pipes. Meanwhile, the three-way connector 6 and the three-way reversing ball valve 7 are fixed to the upper surface of the base plate 1. To facilitate the fixing and replacement of the three-way connector 6 and the three-way reversing ball valve 7, the three-way connector 6 and the three-way reversing ball valve 7 can be fixed to the base plate 1 using a threaded seat 20.

[0034] In this embodiment, the heating equipment 10 is targeted at an air conditioner, and the air conditioner itself has an evaporator, and the evaporator includes an evaporator water inlet and an evaporator water outlet; at the same time, the engine 9 targeted includes a warm air water inlet and a warm air return water inlet, and the warm air water inlet and the warm air return water inlet are used for the inflow and outflow of coolant in the engine 9 to assist in starting the engine 9.

[0035] The oil pump 5, water pump 4, and three-way connector 6 are all connected to the heater 3 via pipes, while the three-way reversing ball valve 7 is connected to the water pump 4 and the three-way connector 7 via pipes, respectively. Furthermore, one opening of the three-way connector 6 is connected to the heating device 10 via a pipe, and one opening of the three-way reversing ball valve 7 is connected to the engine 9 via a pipe. The pipes are all hoses made of silicone to prevent them from being affected by the excavator's internal equipment.

[0036] For a clearer description and understanding, the pipelines used are now broken down into sections as follows:

[0037] The water pump 4 and the oil pump 5 are both connected to the heater 3 through a hose; the heater 3 is connected to an interface of the three-way joint 6 through the heater water outlet pipe 16, the water pump 4 is connected to an opening of the three-way reversing ball valve 7 through the heater water inlet pipe 18, and at the same time, an opening of the three-way joint 6 is connected to an opening of the three-way reversing ball valve 7 through the three-way reversing ball valve outlet pipe 17.

[0038] During use of the device, the oil pump 5 is connected to the fuel tank 11 through the fuel pipe 15, so that the fuel in the fuel tank 11 can be transported to the inner cavity of the heater 3; and the last opening of the three-way joint 6 is connected to the evaporator water inlet of the air conditioner through the evaporator water inlet pipe 14, while the evaporator water outlet of the air conditioner is connected to the warm air return port of the engine through the evaporator water outlet pipe 13, and finally the warm air water inlet of the engine is connected to the last opening of the three-way reversing ball valve 7 through the engine water outlet pipe 12.

[0039] Through the above arrangement, a loop is formed between the engine 9, the heating device 10 (air conditioner) and the device proposed in this embodiment, which is conducive to meeting the auxiliary starting of the engine and improving the heating effect of the heating device.

[0040] The steps for using the device are as follows:

[0041] First, turn on the excavator's power switch. Then, turn the handle of the three-way reversing ball valve 7 to maintain communication between the water pump 4 and the engine 9 (and between the engine water outlet pipe 12 and the heater water inlet pipe 18). Then, turn on the heater 3. The water pump 4 starts running and delivers coolant from the engine's heater water inlet to the heater 3 through the engine water outlet pipe 12 and the heater water inlet pipe 18. At the same time, the ignition plug of the heater 3 is energized for preheating. After 60 seconds of preheating, the oil pump 5 and the motor impeller assembly are energized and work, and the fuel is transported from the fuel tank 11 to the internal volatile net of the heater 3 through the fuel pipe 15. When heated, it volatilizes and mixes with the combustion-supporting air sent in by the motor impeller assembly. The oil-gas mixture ignites in the combustion chamber under the high temperature of the ignition plug. The heat generated by the combustion heats the coolant and enters the evaporator of the air conditioner through the heater water outlet pipe 16 and the evaporator water inlet pipe 14, and is transported from the air conditioner evaporator outlet to the warm air return port of the engine 9 through the evaporator water outlet pipe 13. After multiple cycles, when the coolant temperature reaches the minimum starting temperature of the engine 9 and the ignition switch is pressed, the engine can be assisted in starting.

[0042] When the engine 9 is not started and the cab needs to be heated by the heating device 10 (air conditioner), the air conditioner knob is turned to the heating mode. The coolant heated by the heater 3 enters the air conditioner evaporator through the heater outlet pipe 16 and the evaporator inlet pipe 14, which can increase the temperature of the air conditioner evaporator core and heat the surrounding air. The heated air is then transported into the cab by the fan. At the same time, the heated coolant is transported from the air conditioner evaporator outlet to the warm air return port of the engine 9 through the evaporator outlet pipe 13, thereby achieving the effect of heating the cab when the engine 9 is not started.

[0043] After the engine is operating normally, the coolant delivered from engine 9 to the heater via engine water outlet pipe 12 is reheated within the heater and delivered to the air conditioner evaporator via heater water outlet pipe 16 and evaporator water inlet pipe 14, rapidly raising the cab temperature and improving the cab's air conditioning and heating effectiveness. When the coolant temperature reaches 80°C, electromagnetic oil pump 5 stops supplying oil, heater 3 stops firing, and water pump 4 continues to operate, relying on the water temperature from engine 9 to continue heating the cab. When the temperature sensor of heater 3 detects that the water outlet temperature is below 65°C, heater 3 reignites, and this cycle repeats.

[0044] When the cab temperature reaches the driver's heating requirement, the three-way reversing ball valve 7 can be rotated again (to connect the engine water outlet pipe 12 and the three-way reversing ball valve outlet pipe 17), and the heater 3 switch is turned off at the same time. The coolant transported from the engine 9 through the engine water outlet pipe 12 directly enters the air-conditioning evaporator through the three-way reversing ball valve outlet pipe 17 and the evaporator water inlet pipe 14, and then returns to the engine 9 through the evaporator water outlet pipe 13. It no longer passes through the heater 3 for heating in the middle, which can reduce fuel consumption and thereby improve the service life of the engine 9.

[0045] Although the above description of the specific implementation methods of the present invention is combined with the accompanying drawings, it does not limit the scope of protection of the present invention. Technical personnel in the relevant field should understand that on the basis of the technical solution of the present invention, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the present invention.

Claims

1. A device for assisting engine starting and heating equipment, characterized in that: Including base plate, bracket, heater, water pump, oil pump, heat insulation board, heat insulation protection sleeve, three-way joint and three-way reversing ball valve; The bracket is fixed on the base plate with a gap between the bracket and the base plate, the heater is fixed above the bracket, the insulation board is arranged in the gap, the insulation protection sleeve is fixed on the bottom end of the base plate, and the heater, insulation board and insulation protection sleeve are aligned in the vertical direction; the water pump and the oil pump are fixed on two different sides of the heater, the three-way joint and the three-way reversing ball valve are fixed on the base plate, the oil pump, water pump and three-way joint are all connected to the heater through pipes, and the three-way reversing ball valve is respectively connected to the water pump and the three-way joint through pipes.

2. The device for assisting engine starting and heating equipment according to claim 1, characterized in that: One opening of the three-way joint is communicated with the heating equipment through a pipeline.

3. The device for assisting engine starting and heating equipment according to claim 1, characterized in that: One opening of the three-way reversing ball valve is communicated with the engine through a pipeline.

4. The device for assisting engine starting and heating equipment as claimed in claim 1, characterized in that: The three-way joint and the three-way reversing ball valve are fixed on the bottom plate through a thread seat.

5. The device for assisting engine starting and heating equipment as claimed in claim 1, characterized in that: The bracket is a U-shaped steel bracket.

6. The device for assisting engine starting and heating equipment as claimed in claim 1, characterized in that: The pipeline is specifically a hose.

7. The device for assisting engine starting and heating equipment according to claim 6, characterized in that: The hose is made of silicone.

8. The device for assisting engine starting and heating equipment according to claim 1, characterized in that: The heat insulation board and the heat insulation protection sleeve are made of asbestos.

9. The device for assisting engine starting and heating equipment according to claim 1, characterized in that: The bottom plate is made of stainless steel.

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