阅读说明：本技术 一种摊铺机冷启动装置 (Cold starting device of paver ) 是由 石淮什 尹畅 李相权 杨森 孙广坤 于 2020-07-15 设计创作，主要内容包括：本申请公开了一种摊铺机冷启动装置,涉及筑路机械技术领域,其包括加热模块、进回油系统以及温度检测装置；所述的加热模块包括一级加热装置、二级加热装置、三级加热装置、加热模块主体、常态加热装置、保温装置和加热模块固定装置；所述的加热模块的动力来源于电机；所述的进回油系统起到将燃油从燃油箱中抽出,经所述加热模块的加热后输送给发动机供其运转的作用；所述的温度检测装置为设置于摊铺机柴燃油箱内部的柴油温度传感器以及设置于发动机内部的循环水温度传感器,其起到将液体温度转换为信号并向摊铺机中控输送的作用,为摊铺机中控决策开启加热循环或常态循环提供温度参数。(The application discloses a cold starting device of a paver, which relates to the technical field of road building machinery and comprises a heating module, an oil inlet and return system and a temperature detection device; the heating module comprises a primary heating device, a secondary heating device, a tertiary heating device, a heating module main body, a normal heating device, a heat preservation device and a heating module fixing device; the power of the heating module is derived from a motor; the oil inlet and return system has the functions of extracting fuel oil from the fuel oil tank, heating the fuel oil by the heating module and then conveying the fuel oil to the engine for running; the temperature detection device is a diesel oil temperature sensor arranged in a diesel oil fuel tank of the paver and a circulating water temperature sensor arranged in the engine, and the temperature detection device has the functions of converting the liquid temperature into a signal and carrying the signal to the paver and provides temperature parameters for the paver to decide to start heating circulation or normal circulation.)

1. The cold starting device of the paver is characterized by comprising a heating module, an oil inlet and return system and a temperature detection device;

the heating module comprises a primary heating device, a secondary heating device, a tertiary heating device, a heating module main body, a normal heating device, a heat preservation device and a heating module fixing device;

the power of the heating module is derived from a motor;

the primary heating device, the secondary heating device and the tertiary heating device are all heating devices which take the principle of converting mechanical energy into internal energy as a principle;

the normal heating device plays a role in transferring the heat energy of the circulating water of the engine to the liquid to be heated;

the heating module main body plays a role in bearing the secondary heating device and the tertiary heating device;

the heat preservation device plays a role in slowing down heat energy loss in the heating module main body;

the heating module fixing device plays a role in fixing the heating module;

the oil inlet and return system has the functions of extracting fuel oil from the fuel oil tank, heating the fuel oil by the heating module and then conveying the fuel oil to the engine for running;

The temperature detection device is a diesel oil temperature sensor arranged in a diesel oil fuel tank of the paver and a circulating water temperature sensor arranged in the engine, and has the functions of converting the liquid temperature into a signal and carrying the signal to the paver for central control, and provides temperature parameters for the paver for starting normal circulation, heating circulation or normal heating circulation.

2. The cold start apparatus of paving machine as recited in claim 1 wherein said cold start apparatus is further characterized by

The heating module main body comprises a heating module tank body, a heating module main shaft, a shaft sealing device and a power element;

the heating module tank body is a cylindrical tank body with top and bottom sealed, and the top and the bottom of the heating module tank body are respectively provided with a diesel oil inlet and a diesel oil outlet;

the heating module main shaft is rotatably and fixedly connected to the heating module tank body and is coaxial with the heating module tank body, and the structure of the heating module main shaft is a shaft with a spline at one end;

the heating module tank body and the heating module main shaft play a role in bearing the secondary heating device and the tertiary heating device;

the shaft sealing devices are fixedly connected at the contact positions of the heating module tank body and the heating module main shaft, and the number of the shaft sealing devices is one or two, so that the shaft sealing effect is realized;

The power element is used for providing power for the heating module spindle and comprises a motor and a first spline housing, the motor is erected at one end of the heating module tank body, and an output shaft of the motor is coaxially fixed with the heating module spindle through the first spline housing.

3. Cold start device for a spreading machine as claimed in claim 1 or claim 2 wherein said cold start device is adapted to be used in connection with a cold start of a spreading machine

The primary heating device has the functions of pressurizing and heating diesel oil entering the heating module tank body, an oil inlet is formed in one end, far away from the heating module tank body, of the primary heating device and is communicated with a diesel oil tank, an oil outlet is formed in one end, close to the heating module tank body, of the primary heating device and is communicated with the oil inlet of the heating module tank body;

the primary heating device comprises a motor coaxial gear, a primary heating device driving gear and a primary heating device main body;

the motor coaxial gear is coaxially fixed with the motor output shaft, and the primary heating device driving gear is meshed with the motor coaxial gear and is used for transmitting power and actions from the motor;

the primary heating device main body is a cylindrical tank body internally provided with a screw rod with unequal pitches, one end of the screw rod with unequal pitches in the primary heating device main body is coaxially fixed with the primary heating device driving gear, and the pitch of one end of the screw rod, which is far away from the heating module main body, is larger than that of the other end of the screw rod;

The first heating device pressurizes and heats diesel oil input into the first heating device through rotation of a screw rod in the first heating device and leads the diesel oil into the heating module tank body.

4. Cold start device for a spreading machine as claimed in claim 1 or claim 2 wherein said cold start device is adapted to be used in connection with a cold start of a spreading machine

The secondary heating device and the tertiary heating device are both arranged in the heating module tank body and play a role in converting mechanical energy of the motor into internal energy of liquid in the heating module tank body;

the second-stage heating device is a combination of a honeycomb impeller fixedly connected to the main shaft of the heating module and a honeycomb inner wall arranged on the inner wall of the heating module tank body;

the honeycomb impeller is coaxial with the heating module main shaft and rotates along with an output shaft of the motor when the motor runs;

the three-stage heating device is a combination of a shuttle-shaped block coaxially fixed with the main shaft of the heating module and two annular blocks fixedly connected with or integrally formed with the inner wall of the heating module tank body,

the annular blocks are respectively arranged at the upper end and the lower end of the shuttle-shaped block and are matched with the shuttle-shaped block;

the interval between the shuttle-shaped block and the annular block is 1.5MM to 3MM, and diesel oil forms a low-thickness oil layer at the position, flows to the inside of the heating module tank body from the end close to the motor under the influence of pressure, is far away from the motor and flows to the oil inlet and return system from the oil outlet of the heating module tank body.

5. Cold start device for a spreading machine as claimed in claim 1 or claim 2 wherein said cold start device is adapted to be used in connection with a cold start of a spreading machine

The normal heating device is a circulating water heating layer arranged on the side wall of the heating module tank body and plays a role in heating the heating module tank body by utilizing waste heat of an engine brought by circulating water of the engine in a heat conduction mode;

the normal heating device can be a water delivery pipe spirally and densely distributed on the side wall of the heating module tank body or a hollow cylindrical tank body sleeved and fixed on the heating module tank body;

the heat preservation device is arranged on the outer periphery of the normal heating device, plays a role in preserving heat of the heating module tank body and the normal heating device, is fixedly connected to the heating module tank body, and can be heat insulation cotton or a cylindrical tank body with vacuum inside;

the heating module fixing device plays a role in detachably and fixedly connecting the heating module to a diesel vehicle main body.

6. The cold start apparatus of paving machine as recited in claim 1 wherein said cold start apparatus is further characterized by

The oil inlet and return system comprises an engine self-priming pump, an oil delivery pump, a first Y-shaped connector, a second Y-shaped connector, a third Y-shaped connector, a first controlled one-way valve, a second controlled one-way valve, a diesel filter and an oil delivery pipe;

The oil inlet and return systems are connected through the oil delivery pipes, and the oil delivery pipes comprise oil inlet and return oil delivery pipes;

the engine self-priming pump and the oil transfer pump both play a role in supplying oil to the engine;

the circulation of the oil in the oil inlet and return system is divided into normal circulation, heating circulation and normal heating circulation;

when the temperature of diesel oil in the fuel tank is higher than the wax precipitation point of the diesel oil and exceeds three to five ℃, the flow direction of the diesel oil in the oil inlet and return system is normal circulation, namely the heating module does not work, the first controlled one-way valve is controlled to be conducted in the forward direction, and the second controlled one-way valve is controlled to be closed; diesel oil flows out from a fuel tank, sequentially flows through the first Y-shaped connector, the oil delivery pump, the second Y-shaped connector, the first controlled one-way valve, the third Y-shaped connector, the diesel oil filter and the engine self-priming pump and flows into an engine through the oil inlet oil delivery pipe, residual oil which is not consumed by the engine flows to the diesel oil filter through the oil return oil delivery pipe and enters the oil inlet oil delivery pipe again or flows to the fourth Y-shaped connector, and one part of fuel oil which enters the fourth Y-shaped connector through the oil return oil delivery pipe directly flows to the other part of the fuel tank and enters the oil inlet oil delivery pipe again to participate in oil inlet of the engine;

When the temperature of diesel oil in the fuel tank is not higher than the wax precipitation point of the diesel oil and exceeds three to five ℃, a control in the paver sends out a signal to control the heating module to participate in fuel oil circulation and carry out the heating circulation; the first controlled one-way valve is controlled to be closed, and the second controlled one-way valve is controlled to be communicated in the positive direction; diesel oil flows out from the fuel tank, flows into the heating module through the first Y-shaped connector, the oil transfer pump, the second Y-shaped connector and the second controlled one-way valve in sequence, flows to the third Y-shaped connector through the heating of the heating module, flows into the engine through the diesel oil filter and the engine self-priming pump and flows into the engine through the oil inlet and oil delivery pipe, and at the moment, the return flow direction of diesel oil which is not consumed by the engine is consistent with the normal circulating return oil circuit; when the diesel oil filter loses filtering effect because diesel oil wax precipitation blocks a filter element gap, diesel oil flowing through the diesel oil filter flows out through an overflow valve of the diesel oil filter, flows through the fourth Y-shaped connector through the oil return delivery pipe, reenters the oil inlet delivery pipe under the influence of the oil delivery pump, flows to the heating module to be heated, and reenters the diesel oil filter after being heated, so that the heat of the diesel oil filter is transferred to the diesel oil which is blocked in the diesel oil filter element gap and is subjected to wax precipitation in a heat conduction mode, and the temperature of the diesel oil filter rises and is gradually separated from a wax precipitation state; if the filter element is seriously blocked, the diesel oil flows through the diesel oil filter and enters heating circulation again due to the existence of an overflow valve inside the diesel oil filter, and the heat conduction is carried out on the diesel oil which is blocked in the gap of the filter element of the diesel oil filter and is waxed again until the diesel oil filter can ensure the normal filtration and circulation of the diesel oil.

The oil flow direction of the normal heating cycle is consistent with that of the heating cycle, and only the rotating speed of the motor is reduced to 30rpm and below from 500rp-2000rpm during the heating cycle.

7. The cold starting device of the spreading machine as claimed in claim 1 or claim 6, wherein when the temperature of the circulating water of the engine reaches the normal temperature of the operation of the engine after the spreading machine is normally started, the oil inlet and return system enters the normal heating cycle, the motor is controlled and controlled in the spreading machine to reduce the rotating speed to below 30RPM, the heating effect of the heating module is maintained by the normal heating device, and the rotation of the motor only plays a role in promoting the flow of oil in the heating module so as to promote the heat conduction.

8. The cold start apparatus of a paving machine as claimed in claim 1 or claim 2, wherein the cold start apparatus of a paving machine further comprises a series combination system;

the serial combination system comprises a second spline sleeve, a shifting fork, an electric actuator and a bearing;

a spline housing is arranged at one end of the heating module main shaft, which is far away from the motor, and the spline housing is fixedly connected with the heating module main shaft or integrally formed and can be matched with a spline shaft arranged at one end of the heating module main shaft, which is close to the motor;

One end of the second spline housing is a spline housing, and the other end of the second spline housing is a spline shaft, the specification size of the spline housing on the second spline housing is consistent with that of the spline housing on the heating module main shaft, and the specification size of the spline shaft on the second spline housing is consistent with that of the spline shaft on the heating module main shaft;

the bearing is fixedly connected to the second spline sleeve and can be a tapered roller bearing or a cylindrical roller bearing;

one end of the shifting fork is fixedly connected to the outer ring of the bearing, and the other end of the shifting fork is connected with the electric actuator to play a role in transmitting the action of the electric actuator;

the electric actuator is fixedly connected to the frame of the paver and plays a role in receiving a control signal in the paver to generate action so as to force the second spline sleeve to move along the axis of the heating module spindle.

The heating modules are controlled and combined through the series combination system and can respectively heat circulating water, fuel oil, urea and/or hydraulic oil of the engine.

Technical Field

The invention relates to the technical field of road building machinery, in particular to a cold starting device of a paver.

Background

When the temperature of the environment where the diesel oil is located is lower than the wax precipitation point of the diesel oil, the diesel oil can separate out solid paraffin crystals to generate a wax precipitation phenomenon; the problems of insufficient oil supply, unstable ignition, even flameout and the like of a machine taking diesel oil as power are caused by the fact that a filter element of a diesel oil filter blocks or blocks an oil pipeline due to wax precipitation of the diesel oil; when the wax deposition is serious, even in the mechanical operation process, the risk of sudden flameout of the diesel engine also exists; for the spreading machine needing continuous operation, the normal operation of the spreading work can be influenced by diesel oil waxing before the spreading machine taking the diesel oil as power is started, so that the spreading progress is delayed, and the spreading quality of the spreading machine can be influenced by the flameout of the spreading machine caused by the diesel oil waxing in the spreading process.

Disclosure of Invention

The embodiment of the application provides a cold starting device of a spreading machine, solves the problems that in the prior art, diesel machinery is difficult to start and is easy to extinguish in the starting process due to diesel waxing under the low-temperature environment, avoids the defect of the cold starting device of the diesel spreading machine in the prior art, and realizes low risk, low limitation and no influence on an engine of the cold starting device of the diesel spreading machine.

The embodiment of the application provides a cold starting device of a paver, which comprises a heating module, an oil inlet and return system and a temperature detection device;

the heating module comprises a primary heating device, a secondary heating device, a tertiary heating device, a heating module main body, a normal heating device, a heat preservation device and a heating module fixing device;

the power of the heating module is derived from a motor;

the primary heating device, the secondary heating device and the tertiary heating device are all heating devices which take the principle of converting mechanical energy into internal energy as a principle;

the normal heating device plays a role in transferring the heat energy of the circulating water of the engine to the liquid to be heated;

the heating module main body plays a role in bearing the secondary heating device and the tertiary heating device;

the heat preservation device plays a role in slowing down heat energy loss in the heating module main body;

the heating module fixing device plays a role in fixing the heating module;

the oil inlet and return system has the functions of extracting fuel oil from the fuel oil tank, heating the fuel oil by the heating module and then conveying the fuel oil to the engine for running;

the temperature detection device is a diesel oil temperature sensor arranged in a diesel oil fuel tank of the paver and a circulating water temperature sensor arranged in the engine, and has the functions of converting the liquid temperature into a signal and carrying the signal to the paver for central control, and provides temperature parameters for the paver for starting normal circulation, heating circulation or normal heating circulation.

The heating module main body further comprises a heating module tank body, a heating module main shaft, a shaft sealing device and a power element;

the heating module tank body is a cylindrical tank body with top and bottom sealed, and the top and the bottom of the heating module tank body are respectively provided with a diesel oil inlet and a diesel oil outlet;

the heating module main shaft is rotatably and fixedly connected to the heating module tank body and is coaxial with the heating module tank body, and the structure of the heating module main shaft is a shaft with a spline at one end;

the heating module tank body and the heating module main shaft play a role in bearing the secondary heating device and the tertiary heating device;

the shaft sealing devices are fixedly connected at the contact positions of the heating module tank body and the heating module main shaft, and the number of the shaft sealing devices is one or two, so that the shaft sealing effect is realized;

the power element is used for providing power for the heating module spindle and comprises a motor and a first spline housing, the motor is erected at one end of the heating module tank body, and an output shaft of the motor is coaxially fixed with the heating module spindle through the first spline housing.

The first-stage heating device has the functions of pressurizing and heating diesel oil entering the heating module tank body, an oil inlet is formed in one end, far away from the heating module tank body, of the first-stage heating device and communicated with a diesel oil tank, an oil outlet is formed in one end, close to the heating module tank body, of the first-stage heating device and communicated with the oil inlet of the heating module tank body;

The primary heating device comprises a motor coaxial gear, a primary heating device driving gear and a primary heating device main body;

the motor coaxial gear is coaxially fixed with the motor output shaft, and the primary heating device driving gear is meshed with the motor coaxial gear and is used for transmitting power and actions from the motor;

the primary heating device main body is a cylindrical tank body internally provided with a screw rod with unequal pitches, one end of the screw rod with unequal pitches in the primary heating device main body is coaxially fixed with the primary heating device driving gear, and the pitch of one end of the screw rod, which is far away from the heating module main body, is larger than that of the other end of the screw rod;

the first heating device pressurizes and heats diesel oil input into the first heating device through rotation of a screw rod in the first heating device and leads the diesel oil into the heating module tank body.

The secondary heating device and the tertiary heating device are arranged in the heating module tank body, and the function of converting the mechanical energy of the motor into the internal energy of liquid in the heating module tank body is achieved;

the second-stage heating device is a combination of a honeycomb impeller fixedly connected to the main shaft of the heating module and a honeycomb inner wall arranged on the inner wall of the heating module tank body;

The honeycomb impeller is coaxial with the heating module main shaft and rotates along with an output shaft of the motor when the motor runs;

the three-stage heating device is a combination of a shuttle-shaped block coaxially fixed with the main shaft of the heating module and two annular blocks fixedly connected with or integrally formed with the inner wall of the heating module tank body,

the annular blocks are respectively arranged at the upper end and the lower end of the shuttle-shaped block and are matched with the shuttle-shaped block;

the interval between the shuttle-shaped block and the annular block is 1.5MM to 3MM, and diesel oil forms a low-thickness oil layer at the position, flows to the inside of the heating module tank body from the end close to the motor under the influence of pressure, is far away from the motor and flows to the oil inlet and return system from the oil outlet of the heating module tank body.

The normal heating device is a circulating water heating layer arranged on the side wall of the heating module tank body, and plays a role in heating the heating module tank body by utilizing engine waste heat brought by engine circulating water in a heat conduction mode;

the normal heating device can be a water delivery pipe spirally and densely distributed on the side wall of the heating module tank body or a hollow cylindrical tank body sleeved and fixed on the heating module tank body;

The heat preservation device is arranged on the outer periphery of the normal heating device, plays a role in preserving heat of the heating module tank body and the normal heating device, is fixedly connected to the heating module tank body, and can be heat insulation cotton or a cylindrical tank body with vacuum inside;

the heating module fixing device plays a role in detachably and fixedly connecting the heating module to a diesel vehicle main body.

The oil inlet and return system further comprises an engine self-priming pump, an oil transfer pump, a first Y-shaped connector, a second Y-shaped connector, a third Y-shaped connector, a first controlled one-way valve, a second controlled one-way valve, a diesel filter and an oil transfer pipe;

the oil inlet and return systems are connected through the oil delivery pipes, and the oil delivery pipes comprise oil inlet and return oil delivery pipes;

the engine self-priming pump and the oil transfer pump both play a role in supplying oil to the engine;

the circulation of the oil in the oil inlet and return system is divided into normal circulation, heating circulation and normal heating circulation;

when the temperature of diesel oil in the fuel tank is higher than the wax precipitation point of the diesel oil and exceeds three to five ℃, the flow direction of the diesel oil in the oil inlet and return system is normal circulation, namely the heating module does not work, the first controlled one-way valve is controlled to be conducted in the forward direction, and the second controlled one-way valve is controlled to be closed; diesel oil flows out from a fuel tank, sequentially flows through the first Y-shaped connector, the oil delivery pump, the second Y-shaped connector, the first controlled one-way valve, the third Y-shaped connector, the diesel oil filter and the engine self-priming pump and flows into an engine through the oil inlet oil delivery pipe, residual oil which is not consumed by the engine flows to the diesel oil filter through the oil return oil delivery pipe and enters the oil inlet oil delivery pipe again or flows to the fourth Y-shaped connector, and one part of fuel oil which enters the fourth Y-shaped connector through the oil return oil delivery pipe directly flows to the other part of the fuel tank and enters the oil inlet oil delivery pipe again to participate in oil inlet of the engine;

When the temperature of diesel oil in the fuel tank is not higher than the wax precipitation point of the diesel oil and exceeds three to five ℃, a control in the paver sends out a signal to control the heating module to participate in fuel oil circulation and carry out the heating circulation; the first controlled one-way valve is controlled to be closed, and the second controlled one-way valve is controlled to be communicated in the positive direction; diesel oil flows out from the fuel tank, flows into the heating module through the first Y-shaped connector, the oil transfer pump, the second Y-shaped connector and the second controlled one-way valve in sequence, flows to the third Y-shaped connector through the heating of the heating module, flows into the engine through the diesel oil filter and the engine self-priming pump and flows into the engine through the oil inlet and oil delivery pipe, and at the moment, the return flow direction of diesel oil which is not consumed by the engine is consistent with the normal circulating return oil circuit; when the diesel oil filter loses filtering effect because diesel oil wax precipitation blocks a filter element gap, diesel oil flowing through the diesel oil filter flows out through an overflow valve of the diesel oil filter, flows through the fourth Y-shaped connector through the oil return delivery pipe, reenters the oil inlet delivery pipe under the influence of the oil delivery pump, flows to the heating module to be heated, and reenters the diesel oil filter after being heated, so that the heat of the diesel oil filter is transferred to the diesel oil which is blocked in the diesel oil filter element gap and is subjected to wax precipitation in a heat conduction mode, and the temperature of the diesel oil filter rises and is gradually separated from a wax precipitation state; if the filter element is seriously blocked, the diesel oil flows through the diesel oil filter and enters heating circulation again due to the existence of an overflow valve inside the diesel oil filter, and the heat conduction is carried out on the diesel oil which is blocked in the gap of the filter element of the diesel oil filter and is waxed again until the diesel oil filter can ensure the normal filtration and circulation of the diesel oil.

The oil flow direction of the normal heating cycle is consistent with that of the heating cycle, and only the rotating speed of the motor is reduced to 30rpm and below from 500rp-2000rpm during the heating cycle.

When the temperature of the circulating water of the engine of the paver after normal starting reaches the normal temperature of the running of the engine, the oil inlet and return system enters the normal heating circulation, the paver controls the motor to reduce the rotating speed to be below 30RPM in a central control mode, the heating effect of the heating module is maintained by the normal heating device, and the rotation of the motor only plays a role in promoting the flow of oil in the heating module so as to promote heat conduction.

The cold starting device of the paver also comprises a series combination system;

the serial combination system comprises a second spline sleeve, a shifting fork, an electric actuator and a bearing;

a spline housing is arranged at one end of the heating module main shaft, which is far away from the motor, and the spline housing is fixedly connected with the heating module main shaft or integrally formed and can be matched with a spline shaft arranged at one end of the heating module main shaft, which is close to the motor;

one end of the second spline housing is a spline housing, and the other end of the second spline housing is a spline shaft, the specification size of the spline housing on the second spline housing is consistent with that of the spline housing on the heating module main shaft, and the specification size of the spline shaft on the second spline housing is consistent with that of the spline shaft on the heating module main shaft;

The bearing is fixedly connected to the second spline sleeve and can be a tapered roller bearing or a cylindrical roller bearing;

one end of the shifting fork is fixedly connected to the outer ring of the bearing, and the other end of the shifting fork is connected with the electric actuator to play a role in transmitting the action of the electric actuator;

the electric actuator is fixedly connected to the frame of the paver and plays a role in receiving a control signal in the paver to generate action so as to force the second spline sleeve to move along the axis of the heating module spindle.

The heating modules are controlled and combined through the series combination system and can respectively heat circulating water, fuel oil, urea and/or hydraulic oil of the engine.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

the electric energy is converted into mechanical energy by using the motor as a power source, and the mechanical energy is converted into internal energy of the diesel oil by a technical means of pressurizing or rubbing the diesel oil, so that the danger that the diesel oil is directly heated by the heating wire in the prior art is effectively solved, the engine is not damaged, the diesel oil is safely heated, and the temperature of the diesel oil is higher than a wax precipitation point and is further separated from a wax precipitation state.

The cold starting device of the paver is driven to operate by consuming the electric energy in the storage battery of the paver, and the heating module of the cold starting device of the paver is assisted by engine waste heat to heat diesel oil, so that the problem that the cold starting device in the prior art is greatly limited is solved, and the normal operation of the cold starting device in various engine states is realized.

Drawings

FIG. 1 is an isometric view of a heating module of a cold start device of a paving machine of the present invention;

fig. 2 is a schematic diagram showing the relationship among the systems of the cold start device of the paver of the present invention;

FIG. 3 is a diesel oil trend system diagram of the cold start device of the paver of the present invention;

fig. 4 is an isometric view of a primary heating device in a heating module of a cold start device of a paver of the present invention, which is used to show the spatial position and structure of the primary heating device;

FIG. 5 is a cross-sectional view of a primary heating device in the heating module of the cold start device of the paver of the present invention, which is used for showing the internal construction and structure of the primary heating device;

FIG. 6 is a cross-sectional view of a heating module of a cold start device of the paving machine of the present invention showing the internal configuration of the heating module of the cold start device;

FIG. 7 is an isometric view of a heating module spindle of a heating module of the paver cold start apparatus of the present invention, used to show the configuration of the heating module spindle of the heating module and the spatial positions of the heating devices of each stage;

Fig. 8 is a schematic structural diagram of a first spline housing of the cold start device of the paver of the present invention;

fig. 9 is a schematic structural diagram of a series combination system of the cold start device of the paver of the present invention, which is used for showing the position relationship of each component in the series combination system and the respective shape configuration thereof;

fig. 10 is a schematic structural diagram of a second spline housing in a series combination system of the cold start device of the paver of the present invention;

in the figure:

a heating module 100;

the heating module comprises a heating module main body 110, a heating module tank body 111, a heating module main shaft 112, a shaft sealing device 113, a power element 114, a motor 114-1 and a first spline housing 114-2;

a primary heating device 120, a motor coaxial gear 121, a primary heating device driving gear 122, a primary heating device main body 123;

a secondary heating device 130;

a tertiary heating device 140;

a normal state heating device 150;

a heat preservation device 160, a circulating water inlet 161 and a circulating water outlet 162;

a heating module fixture 170;

an oil inlet and return system 200;

the system comprises an engine self-priming pump 210, an oil delivery pump 220, a first Y-shaped connector 230, a second Y-shaped connector 240, a third Y-shaped connector 250, a fourth Y-shaped connector 260, a first controlled one-way valve 270, a second controlled one-way valve 280, a diesel filter 290, an oil delivery pipe 2900, an oil inlet delivery pipe 2910 and an oil return delivery pipe 2920;

A series combination system 300;

a second spline housing 310, a shifting fork 320, an electric actuator 330, a bearing 340;

the temperature detection means 400.

Detailed Description

In order to facilitate an understanding of the embodiments of the present invention, the embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that, in the drawing of fig. 3 of the present disclosure, arrow-headed lines are all oil pipes 2900, solid arrows in the drawing are oil inlet oil passages, dashed arrows in the drawing are oil return oil passages, a pipe forming the oil inlet oil passages is an oil inlet oil pipe 2910, and a pipe forming the oil return oil passages is an oil return oil pipe 2920.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 2, the cold start device of the paver of the present invention includes a heating module 100, an oil inlet and return system 200, and a temperature detection device 400; the heating module 100 converts mechanical energy into internal energy of diesel oil, so that the temperature of the diesel oil is safely and effectively increased, the warmed diesel oil is transferred out by using the oil inlet and return system 200, the wax precipitation state of the diesel oil which is subjected to wax precipitation in an oil pipeline and the diesel oil filter is removed in a heat conduction mode, and the pipeline is dredged and the stable diesel oil is supplied to the engine; the temperature detection device 400 is used for distinguishing the temperature of diesel oil in the oil tank and the temperature of circulating water of the engine, monitoring the temperature and simultaneously sending a physical signal to the paver.