CN205977385U - Novel excavator is with radiator that has expansion tank - Google Patents

Novel excavator is with radiator that has expansion tank Download PDF

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Publication number
CN205977385U
CN205977385U CN201621052015.3U CN201621052015U CN205977385U CN 205977385 U CN205977385 U CN 205977385U CN 201621052015 U CN201621052015 U CN 201621052015U CN 205977385 U CN205977385 U CN 205977385U
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China
Prior art keywords
radiator
expansion tank
coolant
gas removing
removing pipe
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CN201621052015.3U
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Chinese (zh)
Inventor
王桂民
王宾
陈维雄
胡强
夏金玲
王久刚
王蓉
陈红杰
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Lovol Heavy Industry Group Co ltd
Original Assignee
QINGDAO LEIWO EXCAVATOR Co Ltd
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Priority to CN201621052015.3U priority Critical patent/CN205977385U/en
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Abstract

The utility model discloses a novel excavator is with radiator that has expansion tank, hydroecium, coolant liquid filler, the sealed lid of radiator, radiator are first including the radiator on removes that trachea, radiator second remove the trachea, the engine removes gas port, expansion tank assembly, the sealed lid of expansion tank, expansion tank sight glass, filling pipe and radiator lower header, the coolant liquid filler sets up and seals up on the hydroecium and by the sealed lid of radiator on the radiator, the radiator is first except that on the ventilating connector of tracheal one end connection on the coolant liquid filler, and the other end is connected with the blow vent on the expansion tank assembly, on the radiator second removed the blow vent of tracheal one end connection hydroecium side on the radiator, the other end was continuous with the another one blow vent on the bloated water tank assembly, the sealed lid of expansion tank is installed at the top of bloated water tank assembly. The utility model provides a novel excavator is with radiator that has expansion tank has improved once filling rate of cooling system and degasification performance.

Description

A kind of radiator with expansion tank for dredger
Technical field
This utility model is related to technical field of engineering machinery, and more particularly, to a kind of dredger is with expansion tank Radiator.
Background technology
The filling of expansion tank and degasification are mainly the air filling cooling system and remaining in system in filling process Discharge and keep water pump pumps ability in time to maintain sufficient coolant rate in system.Excavator is carrying state's trimotor Afterwards, its caloric value increases, and the gas producing in cooling system work needs to discharge in time by external expansion tank, in case right Cooling system produces injury.It is desired that the connected mode of improvement radiator and expansion tank is ensured in extreme operating conditions with this Under, cooling system has enough pressure to prevent coolant boiling and water pump cavitation pitting.
Fig. 1 is the mounting structure schematic diagram of cooling system external expansion tank in prior art;Fig. 2 is in prior art After cooling system external expansion tank fills first, air remains distribution schematic diagram.As shown in Figure 1-2, this cooling system includes Electromotor 51, thermostat 52, electromotor gas removing pipe 53, liquid level window 54, secondary cistern 55, pressure cover 56, radiator gas removing pipe 57, Filler pipe 58, radiator 59, long-range by-pass 60, gearbox cooler 61 and water pump 62;Wherein, the requirement for height of secondary cistern 55 The height of radiator 59 assembly to be far above, to ensure that disposably filling it up with rate in coolant injection is not less than 90%.
Prior art suffers from the drawback that:
Shortcoming one:For excavator product, space requirement is too high, in the case that upper hood does not substantially increase, attached water Case 55 limited with radiator 59 drop it is impossible to form very big pressure reduction, when the speed that adds water is more than 6L/s, the internal gas of secondary cistern 55 Body is difficult to discharge at once, needs on a production line repeatedly to fill and repeatedly could fill it up with coolant.
Shortcoming two:With the degasification of cooling system after initial filling, the coolant liquid level in secondary cistern 55 can decline, because The air 63 remaining in electromotor 51, radiator 59 and gearbox cooler 61 loop etc. can be discharged to secondary cistern 55 from gas removing pipe In.The air 63 remaining after first filling in systems will determine the decline degree of liquid level in secondary cistern 55, and electromotor 51 is in fortune After turning, bubble will be pooled to radiator 59 top with blood circulation, and our purpose is intended to push up radiator 59 as early as possible The gas in portion is discharged in secondary cistern 55, but existing design is difficult to this point by single radiator gas removing pipe 57.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, providing a kind of dredger with swollen The radiator of swollen water tank.
For achieving the above object, this utility model adopts following technical proposals:
A kind of radiator with expansion tank for dredger, including upper header, coolant injection mouth, dissipates Hot device closure, radiator first gas removing pipe, radiator second gas removing pipe, electromotor remove QI KOU, expansion tank assembly, swelling water Case closure, expansion tank liquid-sighting glass, filler pipe and radiator lower header;
Described coolant injection mouth is arranged on upper header and is sealed by radiator cap, solid;
Ventilating joint is welded with described coolant injection mouth, one end of described radiator first gas removing pipe is connected to cooling On ventilating joint on liquid filler, the other end of described radiator first gas removing pipe is connected with the blow vent on expansion tank assembly Connect;
The side of described upper header is also welded with blow vent, and one end of described radiator second gas removing pipe is connected to On the blow vent of upper header side, on the other end of described radiator second gas removing pipe and swollen water tank assembly other one Individual blow vent is connected;
The top of described swollen water tank assembly is provided with expansion tank closure;
It is provided with expansion tank liquid-sighting glass, on the side of described expansion tank liquid-sighting glass on the leading flank of described swollen water tank assembly While being provided with electromotor to remove QI KOU.
One lower mouth of a river is also had on described expansion tank assembly, described lower mouth of a river passes through filler pipe and radiator lower header phase Even.
Its operation principle is:Adopt radiator cap, solid (no pressure) and expansion tank closure (pressure simultaneously 0.9bar), when coolant fills first, open radiator cap, solid (no pressure) and expansion tank closure (pressure simultaneously 0.9bar), then by coolant injection mouth water tank is filled it up with, now the gas within water tank simultaneously can be from coolant injection mouth Discharge with the top filler of swollen water tank assembly, and discharge the speed of gas and greatly increase, after upper header water is full, close Close radiator cap, solid (no pressure), then again to the top filler filling coolant of expansion tank assembly, treat that liquid reaches During the midline position of expansion tank liquid-sighting glass, stop the filling of coolant.
In addition, being supplemented it is only necessary to open expansion tank closure (pressure 0.9bar) when supplementing coolant at ordinary times ?.
When electromotor works, because expansion tank position is higher, the gas of upper header alluvial can be by dissipating , to aerofluxuss in expansion tank assembly, exhaust velocity also greatly increases for hot device first gas removing pipe and radiator second gas removing pipe.
Dredger the having the beneficial effect that with the radiator with expansion tank that this utility model provides:Improve cold But system once filling rate and degasification performance.Specifically, system coolant injection speed lifting 30%, upper tank exhaust gas inside speed Degree is accelerated, and de-gas is improved.
Add tank lid at existing radiator top, when filling first, will be close to this radiator cap, solid and expansion tank Capping is opened simultaneously, fills coolant to radiator first, and, up to 11L/s, the gas in system can be by dissipating for filling speed Hot device filler and expansion tank filler are discharged simultaneously, close radiator cap, solid after radiator coolant is filled it up with, then to Expansion tank fills coolant, speed 6L/s, by improving, can increase by 30% filling speed.
Compact for excavator inner space, in the case that expansion tank cannot high be arranged, by radiator and expansion Water tank connecting portion exhaust structure improves, and improves de-gas.
Brief description
Fig. 1 is the mounting structure schematic diagram of cooling system external expansion tank in prior art;
Fig. 2 is air residual distribution schematic diagram after cooling system external expansion tank fills first in prior art;
Fig. 3 is the structural representation of this utility model radiator and the connected mode of expansion tank.
Wherein:1. upper header;2. coolant injection mouth;3. radiator cap, solid (no pressure);4. radiator One gas removing pipe;5. radiator second gas removing pipe;6. electromotor removes QI KOU;7. expansion tank assembly;8. expansion tank closure (pressure Power 0.9bar);9. expansion tank liquid-sighting glass;10. filler pipe;11. radiator lower headers;51. electromotors;52. thermostats;53. Electromotor gas removing pipe;54. liquid level windows;55. secondary cisterns;56. pressure covers;57. radiator gas removing pipe;58. filler pipes;59. dissipate Hot device;60. long-range by-passes;61. gearbox cooler;62. water pumps;63. (residual) air.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is further illustrated.
As shown in figure 3, a kind of radiator with expansion tank for dredger, including upper header 1, cooling Liquid filler 2, radiator cap, solid (no pressure) 3, radiator the first gas removing pipe 4, radiator the second gas removing pipe 5, electromotor remove QI KOU 6, expansion tank assembly 7, expansion tank closure (pressure 0.9bar) 8, expansion tank liquid-sighting glass 9, filler pipe 10 and dissipate Hot device lower header 11;Wherein, coolant injection mouth 2 is arranged on upper header 1 and is sealed by radiator cap, solid 3, and Ventilating joint is welded with coolant injection mouth 2, one end of radiator the first gas removing pipe 4 is connected on coolant injection mouth 2 On ventilating joint, the other end is connected with the blow vent on expansion tank assembly 7;In addition, the side of upper header 1 is also welded Have blow vent, one end of radiator the second gas removing pipe 5 is connected on the blow vent of upper header 1 side, the other end with swollen Another one blow vent on water tank assembly 7 is connected, and the top of swollen water tank assembly 7 is provided with expansion tank closure (pressure 0.9bar) 8, it is used for sealed expansion water tank;It is provided with expansion tank liquid-sighting glass 9, by this on the leading flank of swollen water tank assembly 7 Expansion tank liquid-sighting glass 9 can observe the filling situation of swollen water tank assembly 7 at any time, in the setting of the side of expansion tank liquid-sighting glass 9 There is electromotor to remove QI KOU 6, be easy to discharge in-engine gas in time.Reach more than 0.9bar in the internal gross pressure of radiator When, expansion tank closure 8 is opened, and gaseous vapor is entered in air.Also have a lower mouth of a river on expansion tank assembly 7, should Lower mouth of a river is connected with radiator lower header 11 by filler pipe 10, and it is used for the exchange of expansion tank and radiator coolant.
Its operation principle is:Adopt radiator cap, solid (no pressure) 3 and expansion tank closure (pressure simultaneously 0.9bar) 8, when coolant fills first, open radiator cap, solid (no pressure) 3 and expansion tank closure (pressure simultaneously Power 0.9bar) 8, then by coolant injection mouth 2, water tank is filled it up with, now the gas within water tank simultaneously can from coolant plus The top filler of geat 2 and swollen water tank assembly 7 is discharged, and the speed of discharge gas greatly increases, and treats upper header 1 water Man Hou, closes radiator cap, solid (no pressure) 2, then again to the top filler filling coolant of expansion tank assembly 7, treats When liquid reaches the midline position of expansion tank liquid-sighting glass 9, stop the filling of coolant.
In addition, being supplemented it is only necessary to open expansion tank closure (pressure 0.9bar) 8 when supplementing coolant at ordinary times ?.
When electromotor works, because expansion tank position is higher, the gas of upper header 1 alluvial can be by dissipating , to aerofluxuss in expansion tank assembly 7, exhaust velocity also greatly increases for hot device the first gas removing pipe 4 and radiator the second gas removing pipe 5.
The radiator with expansion tank for the dredger that this utility model provides, improves cooling system and once adds Note rate and degasification performance.Specifically, system coolant injection speed lifting 30%, upper header exhaust gas inside speed adds Hurry up, de-gas is improved.
Add tank lid at existing radiator top, when filling first, will be close to this radiator cap, solid and expansion tank Capping is opened simultaneously, fills coolant to radiator first, and, up to 11L/s, the gas in system can be by dissipating for filling speed Hot device filler and expansion tank filler are discharged simultaneously, close radiator cap, solid after radiator coolant is filled it up with, then to Expansion tank fills coolant, speed 6L/s, by improving, can increase by 30% filling speed.
Compact for excavator inner space, in the case that expansion tank cannot high be arranged, by radiator and expansion Water tank connecting portion exhaust structure improves, and improves de-gas.
Although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not new to this practicality The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability Field technique personnel do not need to pay the various modifications that creative work can make or deformation still in protection model of the present utility model Within enclosing.

Claims (2)

1. a kind of radiator with expansion tank for dredger, is characterized in that, adds including upper header, coolant Geat, radiator cap, solid, radiator first gas removing pipe, radiator second gas removing pipe, electromotor are total except QI KOU, expansion tank One-tenth, expansion tank closure, expansion tank liquid-sighting glass, filler pipe and radiator lower header;
Described coolant injection mouth is arranged on upper header and is sealed by radiator cap, solid;
Ventilating joint is welded with described coolant injection mouth, one end of described radiator first gas removing pipe is connected to coolant and adds On ventilating joint on geat, the other end of described radiator first gas removing pipe is connected with the blow vent on expansion tank assembly;
The side of described upper header is also welded with blow vent, and one end of described radiator second gas removing pipe is connected to radiating On the blow vent of device upper tank side, the other end of described radiator second gas removing pipe is led to the another one on swollen water tank assembly QI KOU is connected;
The top of described swollen water tank assembly is provided with expansion tank closure;
It is provided with expansion tank liquid-sighting glass on the leading flank of described swollen water tank assembly, set on the side of described expansion tank liquid-sighting glass It is equipped with electromotor and remove QI KOU.
2. the radiator with expansion tank for the dredger as claimed in claim 1, is characterized in that, described expansion tank One lower mouth of a river is also had on assembly, described lower mouth of a river is connected with radiator lower header by filler pipe.
CN201621052015.3U 2016-09-12 2016-09-12 Novel excavator is with radiator that has expansion tank Active CN205977385U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621052015.3U CN205977385U (en) 2016-09-12 2016-09-12 Novel excavator is with radiator that has expansion tank

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106948922A (en) * 2017-04-19 2017-07-14 安徽安凯汽车股份有限公司 A kind of off gas system based on engine water route
CN110397107A (en) * 2019-06-27 2019-11-01 三一重机有限公司 Radiator water case lid structure and its control method, excavator
CN112412608A (en) * 2020-12-15 2021-02-26 广西玉柴机器股份有限公司 Vehicle expansion tank with pressure display

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106948922A (en) * 2017-04-19 2017-07-14 安徽安凯汽车股份有限公司 A kind of off gas system based on engine water route
CN106948922B (en) * 2017-04-19 2023-03-07 安徽安凯汽车股份有限公司 Degassing system based on engine water route
CN110397107A (en) * 2019-06-27 2019-11-01 三一重机有限公司 Radiator water case lid structure and its control method, excavator
CN112412608A (en) * 2020-12-15 2021-02-26 广西玉柴机器股份有限公司 Vehicle expansion tank with pressure display

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 266599 the Yellow River East Road, Huangdao District, Shandong, China, No. 75, No.

Patentee after: QINGDAO LOVOL ENGINEERING MACHINERY Co.,Ltd.

Address before: 266599 the Yellow River East Road, Huangdao District, Shandong, China, No. 75, No.

Patentee before: QINGDAO LOVOL EXCAVATOR Co.,Ltd.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province

Patentee after: LOVOL Engineering Machinery Group Co.,Ltd.

Address before: 266599 No. 75 east the Yellow River Road, Huangdao District, Shandong, Qingdao

Patentee before: QINGDAO LOVOL ENGINEERING MACHINERY Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province

Patentee after: Lovol Heavy Industry Group Co.,Ltd.

Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province

Patentee before: LOVOL Engineering Machinery Group Co.,Ltd.