CN213807826U - Combined device of mining automobile radiator and oil heat exchanger - Google Patents
Combined device of mining automobile radiator and oil heat exchanger Download PDFInfo
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- CN213807826U CN213807826U CN202022396212.XU CN202022396212U CN213807826U CN 213807826 U CN213807826 U CN 213807826U CN 202022396212 U CN202022396212 U CN 202022396212U CN 213807826 U CN213807826 U CN 213807826U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a combination device of a mine automobile radiator and an oil heat exchanger, which comprises a low-temperature radiator, wherein the bottom of the low-temperature radiator is provided with a groove body, the top cover of the groove body is covered with a pore plate, the pore plate is provided with a plurality of radiator copper pipe mounting holes, one side of the groove body is fixedly connected with a cooling liquid outlet pipe, the cooling liquid outlet pipe is communicated with the inner cavity of the groove body, a plurality of copper pipes are arranged in the groove body, both ends of the groove body are fixedly connected with end bodies, both ends of the copper pipes are arranged in the end bodies, the bottom of the end bodies is provided with an oil inlet and outlet, the utility model basically has no influence on the external dimension of the original high-low temperature combination radiator, does not influence the original installation requirement of the whole automobile, reasonably utilizes a vacant low-temperature water groove, increases the cooling function of brake oil, cancels the technology of hanging an oil radiator outside the front part of the combination radiator in the past, no influence on the rear high-low temperature radiator.
Description
Technical Field
The utility model belongs to the main supporting parts field of mining truck relates to a novel combination radiator technical field, specifically is a combination unit of mining truck radiator and oil heat exchanger.
Background
The large mining automobile with the load capacity of more than 170t has high technical requirements on an engine cooling system and a brake cooling system of the large mining automobile, and can normally work at the limit environment temperature of more than 45 ℃ under the working conditions of continuous heavy load up-down slope running and the like. Therefore, strict technical requirements are imposed on a heat dissipation system, a high-power engine contains a cylinder body and an intercooling cooling system, hydraulic transmission oil of a wet brake needs to be cooled during service braking and heavy-load downhill slow running braking, and a designed comprehensive cooling system is properly selected and configured to ensure normal working operation of an engine power system and a whole vehicle and ensure safety and reliability of parts of the engine and the brake.
At present, a large-scale mining automobile engine radiator and a brake oil cooler (or a heat exchanger) at home and abroad are generally two independent parts, the oil cooler is usually hung in front of the engine radiator and is cooled by an engine fan, so that the flow of the fan is reduced and the heat dissipation capacity is reduced due to the increase of air inlet resistance; another structure is to use an oil heat exchanger to cool the brake oil by using part of the engine coolant through the oil heat exchanger, which requires a separate heat exchanger component to be mounted on the vehicle and connected to a corresponding pipe, increasing the installation difficulty and component cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mining auto radiator and oil heat exchanger's composite set to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a mining auto radiator and oil heat exchanger's composite set, includes the low temperature radiator, the bottom of low temperature radiator is provided with the cell body, the top lid of cell body has closed the orifice plate, a plurality of through-holes have been seted up to the orifice plate, one side fixedly connected with coolant liquid drain pipe of cell body, the coolant liquid drain pipe is linked together with the inner chamber of cell body, be provided with a plurality of copper pipes in the cell body, the equal fixedly connected with end body in both ends of cell body, the both ends of copper pipe all set up at the end internally, the oil access & exit has been seted up to the bottom of end body.
As a further aspect of the present invention: one side lid of end head body has closed the closure plate, one side of closure plate is provided with sealed the pad, the closure plate endotheca is equipped with a plurality of bolts, the closure plate passes through the bolt and is connected with the end head body, a plurality of screw holes have been seted up to the end head body.
As a further aspect of the present invention: the low-temperature radiator comprises an outer frame, and the outer frame is connected with the end body through bolts.
As a further aspect of the present invention: the supporting plate is fixedly connected in the groove body, and a plurality of copper pipe through-wall through holes are formed in the supporting plate.
As a further aspect of the present invention: the copper pipe is sleeved in the copper pipe through-wall through hole.
As a further aspect of the present invention: rectangular threads are formed on the surface of the copper pipe.
As a further aspect of the present invention: and the bottom of the tank body is fixedly connected with a liquid discharge valve seat.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses basically there is not the influence to original high low temperature combination radiator overall dimension, does not also influence the original installation requirement to whole car, the reasonable empty low temperature sink that has utilized has increased the cooling function of brake oil, has cancelled in the past at the anterior outside of combination radiator and has hung an oil radiator's technique again, has not had the influence to high low temperature radiator at the back, has reduced the air intake resistance of fan and has improved air mass flow and promote the radiating efficiency.
2. The utility model discloses utilize the coolant liquid in low temperature return circuit to come heat exchange cooling brake oil, coolant liquid and brake oil temperature difference are reasonable, have guaranteed the normal operating condition of brake oil, prolong oily change cycle.
3. The utility model discloses cancelled in the past the technique of a heat exchanger of external installation, practiced thrift an assembly part cost and saved arranging and the installation cost of pipeline.
4. The utility model discloses heat exchanger under dismantlement that can be convenient is convenient for make and assemble to and the maintenance work in the future of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of a combined device of a mining truck radiator and an oil heat exchanger.
Fig. 2 is a front view of a combination mining truck radiator and oil heat exchanger.
Fig. 3 is a schematic structural diagram of an integral combined radiator device of a combined device of a mining truck radiator and an oil heat exchanger.
Fig. 4 is a partial structural schematic view of an integral combined radiator device of a combined device of a mining truck radiator and an oil heat exchanger.
Fig. 5 is an enlarged schematic view of a portion a in fig. 1.
Fig. 6 is a schematic structural diagram of a copper pipe of a combined device of a mining truck radiator and an oil heat exchanger.
Fig. 7 is a schematic structural diagram of a support plate of a combined device of a mining truck radiator and an oil heat exchanger.
Fig. 8 is an operational schematic diagram of a combination of a mining truck radiator and an oil heat exchanger.
Shown in the figure: the low-temperature radiator comprises a low-temperature radiator 1, an outer frame 2, a lower water tank 3, an oil heat exchanger copper pipe 4, a liquid discharge valve seat 5, a cooling liquid outlet pipe 6, a supporting plate 7, a radiator copper pipe mounting hole 8, a pore plate 9, a rectangular thread 10, a copper pipe wall through hole 11, an end body 12, a threaded hole 13, a blocking plate 14, an oil inlet and outlet 15 and a sealing gasket 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
Referring to fig. 1 to 8, in an embodiment of the present invention, a combination device of a mining truck radiator and an oil heat exchanger includes a low temperature radiator 1, an outer frame 2, a lower water tank 3, an oil heat exchanger copper pipe 4, a liquid discharge valve seat 5, a coolant outlet pipe 6, a support plate 7, a radiator copper pipe mounting hole 8, a pore plate 9, a rectangular thread 10, a copper pipe wall through hole 11, an end body 12, a threaded hole 13, a blocking plate 14, and an oil inlet/outlet 15, wherein the bottom of the low temperature radiator 1 is provided with the lower water tank 3, the top of the lower water tank 3 is covered with the pore plate 9, the pore plate 9 is provided with a plurality of radiator copper pipe mounting holes 8, one side of the lower water tank 3 is fixedly connected with the coolant outlet pipe 6, the coolant outlet pipe 6 is communicated with an inner cavity of the lower water tank 3, the lower water tank 3 is provided with a plurality of oil heat exchanger copper pipes 4, two ends of the lower water tank 3 are both fixedly connected with the end body 12, the two ends of the oil heat exchanger copper pipe 4 are arranged in the end body 12, the bottom of the end body 12 is provided with an oil inlet and outlet 15, the bottom of the lower water tank 3 is fixedly connected with a liquid discharge valve seat 5, when the low-temperature radiator 1 is used, cooled cooling liquid enters the lower water tank 3 combined with the oil heat exchanger copper pipe 4 through the pore plate 9, the cooling liquid spreads over the whole lower water tank 3 and flows out from one outlet to return to the inlet of a low-temperature loop pump of an engine, and brake oil enters from one end and flows out from the other end.
One side of the end head body 12 is covered with a blocking plate 14, one side of the blocking plate 14 is provided with a sealing gasket 16, a plurality of bolts are sleeved in the blocking plate 14, the blocking plate 14 is connected with the end head body 12 through the bolts, and the end head body 12 is provided with a plurality of threaded holes 13.
The low-temperature radiator 1 comprises an outer frame 2, the outer frame 2 is connected with an end body 12 through bolts, and a lower water tank 3 is fixed on the low-temperature radiator frame through the end bodies at two ends through bolts, so that the assembly is convenient to manufacture and is also convenient to maintain and replace in the future.
Fixedly connected with backup pad 7 in basin 3 down, backup pad 7 has seted up a plurality of copper pipes and has crossed wall through-hole 11, and oil heat exchanger copper pipe 4 cover is established in copper pipe crosses wall through-hole 11, and backup pad 7 plays the effect of supporting oil heat exchanger copper pipe 4.
The utility model discloses a theory of operation is:
the cooling of the engine matched with the large-scale mining truck is a double-pump/double-loop (2P2L) cooling system, the system uses two water pumps and two cooling water loops, one water pump is used for circularly cooling a supercharged cooling liquid loop LTC, the other water pump is used for circularly cooling a cylinder jacket cooling water loop HTC, the external brake oil is cooled and introduced into the LTC loop, and the high-temperature loop cooling liquid of the engine double-loop cooling liquid system still keeps an original pump outlet to enter a high-temperature radiator and then returns to a pump inlet; the outlet of the low-temperature loop cooling liquid pump enters a low-temperature radiator, the low-temperature loop cooling liquid is cooled by the radiator, then flows into the oil heat exchanger, finally returns to the inlet of the pump, and exchanges heat with the oil heat exchanger to dissipate heat of the low-temperature loop cooling liquid. The design inlet temperature of the low-temperature loop radiator is 78 ℃, the outlet temperature is 60 ℃, the design inlet temperature of the high-temperature loop radiator is 95 ℃, and the outlet temperature is 87 ℃ at the extreme environment temperature. According to the requirement that the normal working temperature of hydraulic transmission oil generally does not exceed 70 ℃, the low-temperature loop cooling liquid is selected to be cooled and then enters an oil heat exchanger, the temperature difference between 70 ℃ hot brake oil and 60 ℃ low-temperature cooling liquid is 10 ℃, the condition of heat exchange and radiation can be completely met, and the maximum working temperature of the brake oil is controlled not to exceed 70 ℃.
The production steps of the combined device of the mining truck radiator and the oil heat exchanger are as follows:
s1, determining the required heat dissipation area of the oil heat exchanger according to the brake power heat dissipation requirement (mainly considering the heavy-load downhill slow running brake working condition) provided by host manufacturers of different vehicle types and the temperature requirement of an inlet and an outlet of a high-low temperature loop of the engine at the limit environmental temperature, wherein the total heat dissipation surface of a copper pipe of the finally designed oil heat exchanger is higher than the required heat dissipation area and a certain safety coefficient is reserved;
s2, the oil heat exchanger assembly is still a welding structure of the lower water tank assembly of the original low-temperature radiator, and is changed into a cast-weld structure. The high cost configuration may be selected from brass orifice plates, bronze end body castings, and red copper oil heat exchanger copper tubing. The low-cost configuration can be changed into a hole plate made of a high-quality carbon steel plate, an end body casting made of low-carbon cast steel and an oil heat exchanger copper pipe made of red copper;
s3, fixing the copper tube of the oil heat exchanger and the end head body to ensure reliable sealing performance and certain anti-vibration strength, so that the copper tube of the oil heat exchanger is connected to the left end head body and the right end head body by adopting an inner diameter tube expansion technology;
s4, after finishing the water tank and the oil heat exchanger assembly in the low-temperature loop, independently performing oil pressure resistance test, and performing an oil filling test at the pressure of 620KPa and the temperature of 90-100 ℃ for 20 minutes without leakage at each welding bead, end body casting, blanking cover and expansion pipe joint. Qualified components can be transferred to a low-temperature radiator for assembly;
s5, after the assembly is completed, the low-temperature loop radiator including the oil heat exchanger is subjected to pressurizing tightness test, and the low-temperature loop radiator is kept for more than 10 minutes under the water pressure of 0.3-0.5MPa without any leakage point.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a mining truck radiator and oil heat exchanger's composite set, includes low temperature radiator (1), its characterized in that: a lower water tank (3) is arranged at the bottom of the low-temperature radiator (1), a pore plate (9) is covered at the top of the lower water tank (3), a plurality of radiator copper pipe mounting holes (8) are formed in the pore plate (9), a cooling liquid outlet pipe (6) is fixedly connected to one side of the lower water tank (3), the cooling liquid outlet pipe (6) is communicated with the inner cavity of the lower water tank (3), a plurality of oil heat exchanger copper pipes (4) are arranged in the lower water tank (3), end bodies (12) are fixedly connected to both ends of the lower water tank (3), both ends of the oil heat exchanger copper pipes (4) are arranged in the end bodies (12), an oil inlet and outlet (15) are formed in the bottoms of the end bodies (12), a blocking plate (14) is covered at one side of the end bodies (12), and a sealing gasket (16) is arranged at one side of the blocking plate (14), a plurality of bolts are equipped with to closure plate (14) endotheca, closure plate (14) are connected with end body (12) through the bolt, a plurality of screw hole (13) have been seted up in end body (12), low temperature radiator (1) includes outer frame (2), outer frame (2) are connected with end body (12) through the bolt.
2. A mining truck radiator and oil heat exchanger combination as claimed in claim 1, characterised in that: the lower water tank (3) is internally and fixedly connected with a supporting plate (7), and the supporting plate (7) is provided with a plurality of copper pipe through-wall through holes (11).
3. A mining truck radiator and oil heat exchanger combination as claimed in claim 1, characterised in that: the copper pipe (4) of the oil heat exchanger is sleeved in the copper pipe through-wall through hole (11).
4. A mining truck radiator and oil heat exchanger combination as claimed in claim 1, characterised in that: the surface of the oil heat exchanger copper pipe (4) is provided with rectangular threads (10).
5. A mining truck radiator and oil heat exchanger combination as claimed in claim 1, characterised in that: and the bottom of the water drainage tank (3) is fixedly connected with a liquid drainage valve seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022396212.XU CN213807826U (en) | 2020-10-26 | 2020-10-26 | Combined device of mining automobile radiator and oil heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022396212.XU CN213807826U (en) | 2020-10-26 | 2020-10-26 | Combined device of mining automobile radiator and oil heat exchanger |
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| Publication Number | Publication Date |
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| CN213807826U true CN213807826U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022396212.XU Active CN213807826U (en) | 2020-10-26 | 2020-10-26 | Combined device of mining automobile radiator and oil heat exchanger |
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| CN (1) | CN213807826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177746A (en) * | 2020-10-26 | 2021-01-05 | 大连海威特机械有限公司 | Combined device of mining automobile radiator and oil heat exchanger |
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2020
- 2020-10-26 CN CN202022396212.XU patent/CN213807826U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177746A (en) * | 2020-10-26 | 2021-01-05 | 大连海威特机械有限公司 | Combined device of mining automobile radiator and oil heat exchanger |
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