CN201884158U - Engineering machine and air preheater thereof - Google Patents
Engineering machine and air preheater thereof Download PDFInfo
- Publication number
- CN201884158U CN201884158U CN2010206504837U CN201020650483U CN201884158U CN 201884158 U CN201884158 U CN 201884158U CN 2010206504837 U CN2010206504837 U CN 2010206504837U CN 201020650483 U CN201020650483 U CN 201020650483U CN 201884158 U CN201884158 U CN 201884158U
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- relay
- preheating
- preheating relay
- engineering machinery
- air heater
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Abstract
The utility model provides an engineering machine and an air preheater thereof. The air preheater comprises an air heater and a preheating relay arranged on the power supply circuit of the air heater, the interior of the preheating relay does not have a fuse, and the power supply circuit of the air heater is provided with a fuse which can be separately dismounted. Since the fuse can be separately replaced, the air preheater is convenient to maintain, the whole preheating relay does not need to be replaced, and thereby the cost is saved for customers.
Description
Technical field
The utility model relates to engineering machinery, particularly relates to a kind of engineering machinery and air preheater thereof.
Background technique
Excavator is a kind of of engineering machinery, is widely used in engineering fields such as building, road, mine, and main effect is to carry out digging operation.Fig. 1 is the shape assumption diagram of the excavator in the existing engineering machinery, as shown in Figure 1, the working portion of excavator mainly comprises scraper bowl (bucket) 110, dipper (arm) 120 and swing arm (boom) 130, and these workpieces all promote by hydraulic jack.
Existing engineering machinery, for example crawler excavator, wheel excavator, wheel loader etc., when being cold, the engine start difficulty generally need increase air preheater on motor.Fig. 2 is the circuit theory diagrams of existing engineering machinery engine Preheating unit, as shown in Figure 2, the circuit of Preheating unit comprises: storage battery 201, storage battery relay 202, fuse 203, circuit breaker 204, key operation 205, fuse box 206, preheating relay 207, air heater 208, preheat lamp 209, diode 210.Wherein, the use of air preheater is generally by preheating relay 207 controls.
The structural drawing of the preheating relay that Fig. 3 is adopted for pre existing thermic devices circuit as shown in Figure 3, is provided with safety fuse cutout 301 within the housing of preheating relay 207.When Preheating unit uses, electric current is generally all very big, when the client gets to preheating position with key operation for a long time, easy insurance 301 scaling loss with preheating relay 207 inside, after the insurance scaling loss, preheating relay needs integral replacing, and cost is very high, this quality to excavator has caused influence, has caused loss to the client.
The model utility content
The utility model embodiment's purpose provides a kind of engineering machinery and air preheater thereof, can change insurance separately, is convenient to safeguard, needn't change whole preheating relay, for the client has saved cost.
To achieve these goals, the utility model provides a kind of air preheater of engineering machinery, comprise air heater and be arranged on preheating relay on the power supply circuits of described air heater, the inside of described preheating relay does not have safety fuse cutout, and the described power supply circuits of described air heater are provided with the safety fuse cutout that can dismantle separately.
Preferably, in the above-mentioned air preheater, the described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the storage battery relay.
Preferably, in the above-mentioned air preheater, the described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the described air heater.
Preferably, in the above-mentioned air preheater, an end of the Electromagnetic Control circuit of described preheating relay connects the preheating position of key operation, the other end ground connection of the Electromagnetic Control circuit of described preheating relay.
The utility model also provides a kind of engineering machinery, comprise air preheater, described air preheater comprises air heater and is arranged on preheating relay on the power supply circuits of described air heater, the inside of described preheating relay does not have safety fuse cutout, and the described power supply circuits of described air heater are provided with the safety fuse cutout that can dismantle separately.
Preferably, in the above-mentioned engineering machinery, the described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the storage battery relay.
Preferably, in the above-mentioned engineering machinery, the described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the described air heater.
Preferably, in the above-mentioned engineering machinery, an end of the Electromagnetic Control circuit of described preheating relay connects the preheating position of key operation, the other end ground connection of the Electromagnetic Control circuit of described preheating relay.
Preferably, in the above-mentioned engineering machinery, described engineering machinery is crawler excavator, wheel excavator or wheel loader.
There is following technique effect at least in the utility model embodiment:
1) the utility model has been made independent portion product with the insurance in the preheating relay, is placed on the outside of relay, if the insurance scaling loss can be changed insurance separately, needn't change whole preheating relay, has improved preheating relay quality and life-span.
2) lower because change the cost of insurance separately, institute thinks that the client provides cost savings.
3) insurance is placed on the outside of relay, is convenient to maintenance.
Description of drawings
Fig. 1 is the shape assumption diagram of the excavator in the existing engineering machinery;
Fig. 2 is the circuit theory diagrams of existing engineering machinery engine Preheating unit;
The structural drawing of the preheating relay that Fig. 3 is adopted for pre existing thermic devices circuit;
The circuit theory diagrams of the engineering machinery engine Preheating unit that Fig. 4 provides for the utility model embodiment.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model embodiment is clearer, specific embodiment is described in detail below in conjunction with accompanying drawing.
The circuit theory diagrams of the engineering machinery engine Preheating unit that Fig. 4 provides for the utility model embodiment, as shown in Figure 4, the air preheater of engineering machinery comprises air heater 410 and is arranged on preheating relay 420 on the power supply circuits of described air heater 410, wherein
The inside of described preheating relay 420 does not have safety fuse cutout, and the described power supply circuits of described air heater 410 are provided with the safety fuse cutout 430 that can dismantle separately.
As seen, the utility model is by being arranged on safety fuse cutout the outside of preheating relay 420, safety fuse cutout can be dismantled separately, after burning, safety fuse cutout can change separately, and needn't go again to change or dismounting preheating relay 420, so can save user's cost, promote the quality of engineering machinery.
Wherein, the described safety fuse cutout that can dismantle separately 430 is arranged on the circuit between described preheating relay 420 and the storage battery relay 440 (position shown in Fig. 4).
Perhaps, the described safety fuse cutout that can dismantle separately 430 also can be arranged on the circuit between described preheating relay 420 and the described air heater 410.
One end of the Electromagnetic Control circuit 421 of described preheating relay 420 connects the preheating position of key operation 450, the other end ground connection of the Electromagnetic Control circuit 421 of described preheating relay.Electromagnetic Control circuit 421 can be controlled the break-make of the power supply circuits of air heater 410 by the effect of electromagnetism.
The utility model embodiment also provides a kind of engineering machinery, comprise air preheater, described air preheater comprises air heater and is arranged on preheating relay on the power supply circuits of described air heater, wherein, the inside of described preheating relay does not have safety fuse cutout, and the described power supply circuits of described air heater are provided with the safety fuse cutout that can dismantle separately.
The described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the storage battery relay, and perhaps, the described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the described air heater.One end of the Electromagnetic Control circuit of described preheating relay connects the preheating position of key operation, the other end ground connection of the Electromagnetic Control circuit of described preheating relay.
Wherein, described engineering machinery can be crawler excavator, wheel excavator or wheel loader or the like.When being cold, if the engine start difficulty of these engineering machinery, when would needing to use Preheating unit, electric current is generally all very big, when if the client gets to preheating position with key operation for a long time, may be with the safety fuse cutout scaling loss, because the utility model has been made independent portion product with the insurance in the preheating relay, be placed on the outside of relay, integrated with wire harness, if the insurance scaling loss can be changed insurance separately, be convenient to safeguard, also save cost for the client.
As from the foregoing, the utility model embodiment has following advantage:
1) the utility model has been made independent portion product with the insurance in the preheating relay, is placed on the outside of relay, if the insurance scaling loss can be changed insurance separately, needn't change whole preheating relay, has improved preheating relay quality and life-span.
2) lower because change the cost of insurance separately, institute thinks that the client provides cost savings.
3) insurance is placed on the outside of relay, is convenient to maintenance.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. the air preheater of an engineering machinery comprises air heater and is arranged on preheating relay on the power supply circuits of described air heater, it is characterized in that,
The inside of described preheating relay does not have safety fuse cutout, and the described power supply circuits of described air heater are provided with the safety fuse cutout that can dismantle separately.
2. air preheater according to claim 1 is characterized in that, the described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the storage battery relay.
3. air preheater according to claim 1 is characterized in that, the described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the described air heater.
4. according to claim 1,2 or 3 described air preheaters, it is characterized in that an end of the Electromagnetic Control circuit of described preheating relay connects the preheating position of key operation, the other end ground connection of the Electromagnetic Control circuit of described preheating relay.
5. an engineering machinery comprises air preheater, and described air preheater comprises air heater and is arranged on preheating relay on the power supply circuits of described air heater, it is characterized in that,
The inside of described preheating relay does not have safety fuse cutout, and the described power supply circuits of described air heater are provided with the safety fuse cutout that can dismantle separately.
6. engineering machinery according to claim 5 is characterized in that, the described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the storage battery relay.
7. engineering machinery according to claim 5 is characterized in that, the described safety fuse cutout that can dismantle separately is arranged on the circuit between described preheating relay and the described air heater.
8. according to claim 5,6 or 7 described engineering machinery, it is characterized in that an end of the Electromagnetic Control circuit of described preheating relay connects the preheating position of key operation, the other end ground connection of the Electromagnetic Control circuit of described preheating relay.
9. engineering machinery according to claim 5 is characterized in that, described engineering machinery is crawler excavator, wheel excavator or wheel loader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206504837U CN201884158U (en) | 2010-12-03 | 2010-12-03 | Engineering machine and air preheater thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206504837U CN201884158U (en) | 2010-12-03 | 2010-12-03 | Engineering machine and air preheater thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884158U true CN201884158U (en) | 2011-06-29 |
Family
ID=44181697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206504837U Expired - Fee Related CN201884158U (en) | 2010-12-03 | 2010-12-03 | Engineering machine and air preheater thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884158U (en) |
-
2010
- 2010-12-03 CN CN2010206504837U patent/CN201884158U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20161203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |