CN214616843U - Preheating and heat radiating device of road roller - Google Patents
Preheating and heat radiating device of road roller Download PDFInfo
- Publication number
- CN214616843U CN214616843U CN202120674354.XU CN202120674354U CN214616843U CN 214616843 U CN214616843 U CN 214616843U CN 202120674354 U CN202120674354 U CN 202120674354U CN 214616843 U CN214616843 U CN 214616843U
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- China
- Prior art keywords
- switching
- road roller
- over valve
- aircraft bonnet
- circulating fan
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- Expired - Fee Related
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Abstract
The application discloses road roller preheats heat abstractor, including the road roller aircraft bonnet, road roller aircraft bonnet center department installs the engine, be equipped with the exhaust funnel on the aircraft bonnet top inner wall, the top of exhaust funnel is pegged graft and is had the exhaust tube, the other end of exhaust tube is connected with circulating fan, circulating fan is connected with first switching-over valve through first connecting pipe, install the heating cabinet on the aircraft bonnet left side wall, the heating cabinet passes through the second connecting pipe and is connected with first switching-over valve, the air outlet has been seted up to the aircraft bonnet bottom, second switching-over valve is installed to air outlet department, be equipped with temperature sensor on the aircraft bonnet lateral wall. The utility model discloses a circulating fan, heating cabinet, the cooperation of air-bleed fill and switching-over valve carry out all-round circulation from the engine bottom and preheat the engine, when the engine need dispel the heat, close the electric heat box, the adjustment switching-over valve utilizes circulating fan to replace hot-air and external cold air, and this device simple structure can realize preheating and heat dissipation function simultaneously.
Description
Technical Field
The application relates to the field of road engineering machinery, in particular to a preheating and heat-radiating device of a road roller.
Background
In the process of road engineering construction, a road roller is used for leveling the road surface, when the temperature is lower in winter, the engine is difficult to start due to low temperature, and the engine needs to be preheated so that the engine can be normally started; when the road roller operates, a large amount of heat is generated, and heat dissipation is needed. In the prior art, patent No. CN202020183666.6 discloses a synchronous preheating device for a road roller, which preheats by blowing hot air to the side and bottom of an engine, and has no hot air recycling in the preheating process, long preheating time and energy waste. Therefore, there is a need to provide a pre-heating heat sink for a road roller to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a road roller preheats heat abstractor to overcome not enough among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the embodiment of the application discloses road roller preheats heat abstractor, including the road roller aircraft bonnet, road roller aircraft bonnet center department installs the engine, be equipped with the exhaust fill on the aircraft bonnet top inner wall, the top of exhaust fill is pegged graft and is had the exhaust tube, the other end of exhaust tube is connected with circulating fan, circulating fan is connected with first switching-over valve through first connecting pipe, install the heating cabinet on the aircraft bonnet left side wall, the heating cabinet pass through the second connecting pipe with first switching-over valve is connected, the air outlet has been seted up to the aircraft bonnet bottom, air outlet department installs the second switching-over valve, the heating cabinet pass through the third connecting pipe with the second switching-over valve is connected, first switching-over valve side is connected with first ventilation pipe, second switching-over valve side is connected with the second ventilation pipe, be equipped with temperature sensor on the aircraft bonnet lateral wall.
Preferably, in the above preheating and heat dissipating device for a road roller, the air exhaust hopper is located at the center of the top of the hood, and the circulating fan is fixedly connected with the hood.
Preferably, in the above preheating and heat dissipating device for a road roller, a plurality of sets of resistance wires are arranged in the heating box, and a switch for controlling a circuit of the resistance wires is further arranged outside the heating box.
Preferably, in the above preheating and heat dissipating device for a road roller, an insulating layer is arranged around the inner wall of the hood.
Compared with the prior art, the utility model has the advantages of:
the utility model carries out all-round circulation preheating to the engine from the bottom of the engine through the matching of the circulating fan, the heating box, the air exhaust hopper, the reversing valve and a plurality of connecting pipes, thereby fully utilizing the heat in the preheating process and greatly shortening the preheating time; when the road roller needs to dissipate heat, the reversing valve is adjusted, the electric heating box is closed, the circulating fan is utilized to exchange hot air and external cold air in the hood, and preheating and heat dissipation are achieved while the structure of the device is not changed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural view of a preheating and heat dissipating device of a road roller according to an embodiment of the present invention.
Wherein: 1-road roller hood, 2-engine, 3-air suction hopper, 4-air suction pipe, 5-circulating fan, 6-heating box, 7-first reversing valve, 8-second reversing valve, 9-air outlet, 10-first connecting pipe, 11-second connecting pipe, 12-third connecting pipe, 13-second ventilating pipe, 14-first ventilating pipe, 15-heat preservation layer, 16-resistance wire, 17-switch and 18-temperature sensor
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, in the embodiment, a road roller preheating and heat dissipating device includes a road roller hood 1, an engine 2 is installed at the center of the road roller hood 1, an air exhaust funnel 3 is arranged on an inner wall of the top of the hood 1, an air exhaust pipe 4 is inserted into the top of the air exhaust funnel 3, the other end of the air exhaust pipe 4 is connected with a circulating fan 5, the circulating fan 5 is connected with a first reversing valve 7 through a first connecting pipe 10, a heating box 6 is installed on a left side wall of the hood 1, the heating box 6 is connected with the first reversing valve 7 through a second connecting pipe 11, an air outlet 9 is formed in the bottom of the hood 1, a second reversing valve 8 is installed at the air outlet 9, the heating box 6 is connected with the second reversing valve 8 through a third connecting pipe 12, a first ventilation pipe 14 is connected to a side end of the first reversing valve 7, a second ventilation pipe 13 is connected to a side end of the second reversing valve 8, and a temperature sensor 18 is arranged on a side wall of the hood 1.
Further, the air exhaust hopper 4 is positioned at the center of the top of the hood 1, and the circulating fan 5 is fixedly connected with the hood 1.
Furthermore, a plurality of groups of resistance wires 16 are arranged in the heating box 6, and a switch 17 for controlling a resistance wire circuit is also arranged outside the heating box.
Further, an insulating layer 15 is arranged around the inner wall of the hood 1.
In the technical scheme, when the road roller engine 2 needs to be preheated, the first reversing valve 7 and the second reversing valve 8 are adjusted, the electric heating box switch 17 is turned on, the circulating fan 5 drives airflow to sequentially pass through the air exhaust hopper 3, the air exhaust pipe 4, the circulating fan 5, the first connecting pipe 10, the first reversing valve 7 and the second connecting pipe 11 to be conveyed into the electric heating box 6, the resistance wire 16 heats the airflow, the output airflow passes through the third connecting pipe 12, the second reversing valve 8 and the bottom air outlet 9 to preheat the engine 2, and the preheated airflow upwards passes through the air exhaust hopper 3 to be recycled again, so that the utilization rate of energy is effectively improved, and the preheating time is shortened; when the engine 2 needs to dissipate heat, the heating box 6 is closed, the reversing valve is adjusted, hot air in the engine hood 1 is exchanged with external cold air through the air suction hopper 3, the air suction pipe 4, the circulating fan 5, the first connecting pipe 10, the first reversing valve 7 and the first ventilating pipe 14 by using the circulating fan 5, and meanwhile, the external cold air enters the engine hood 1 from the second ventilating pipe 13, the second reversing valve 8 at the bottom and the air outlet 9, so that the heat dissipation function of the engine hood is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.
Claims (4)
1. The utility model provides a road roller preheats heat abstractor, includes road roller aircraft bonnet, its characterized in that: the engine is installed at road roller aircraft bonnet center department, be equipped with the exhaust fill on the aircraft bonnet top inner wall, it has the exhaust tube to peg graft at the top of exhaust fill, the other end of exhaust tube is connected with circulating fan, circulating fan is connected with first switching-over valve through first connecting pipe, install the heating cabinet on the aircraft bonnet left side wall, the heating cabinet pass through the second connecting pipe with first switching-over valve is connected, the air outlet has been seted up to the aircraft bonnet bottom, air outlet department installs the second switching-over valve, the heating cabinet pass through the third connecting pipe with the second switching-over valve is connected, first switching-over valve side is connected with first ventilation pipe, second switching-over valve side is connected with the second ventilation pipe, be equipped with temperature sensor on the aircraft bonnet lateral wall.
2. The road roller preheating and heat dissipating device of claim 1, wherein: the air extraction hopper is positioned at the center of the top of the hood, and the circulating fan is fixedly connected with the hood.
3. The road roller preheating and heat dissipating device of claim 1, wherein: the heating box is internally provided with a plurality of groups of resistance wires, and the outer side of the heating box is also provided with a switch for controlling a resistance wire circuit.
4. The road roller preheating and heat dissipating device of claim 1, wherein: and a heat insulation layer is arranged around the inner wall of the hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120674354.XU CN214616843U (en) | 2021-04-02 | 2021-04-02 | Preheating and heat radiating device of road roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120674354.XU CN214616843U (en) | 2021-04-02 | 2021-04-02 | Preheating and heat radiating device of road roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214616843U true CN214616843U (en) | 2021-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120674354.XU Expired - Fee Related CN214616843U (en) | 2021-04-02 | 2021-04-02 | Preheating and heat radiating device of road roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214616843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115085063A (en) * | 2022-07-18 | 2022-09-20 | 安徽君锐电力设备有限公司 | Heat dissipation type box and box-type substation |
-
2021
- 2021-04-02 CN CN202120674354.XU patent/CN214616843U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115085063A (en) * | 2022-07-18 | 2022-09-20 | 安徽君锐电力设备有限公司 | Heat dissipation type box and box-type substation |
| CN115085063B (en) * | 2022-07-18 | 2024-01-02 | 安徽君锐电力设备有限公司 | Heat dissipation type box and box-type substation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |