CN114683875A - Hydraulic locking structure of power battery system assembly for pure electric power-change heavy truck - Google Patents
Hydraulic locking structure of power battery system assembly for pure electric power-change heavy truck Download PDFInfo
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- CN114683875A CN114683875A CN202210327556.6A CN202210327556A CN114683875A CN 114683875 A CN114683875 A CN 114683875A CN 202210327556 A CN202210327556 A CN 202210327556A CN 114683875 A CN114683875 A CN 114683875A
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- hydraulic lock
- system assembly
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- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000008859 change Effects 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0455—Removal or replacement of the energy storages
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention belongs to the technical field of pure electric power change heavy trucks, and particularly relates to a hydraulic locking structure of a power battery system assembly for a pure electric power change heavy truck, which comprises a lower bracket and hydraulic locking assemblies, wherein the hydraulic locking assemblies are arranged at four corners of the top of the lower bracket; the hydraulic locking assembly comprises a hydraulic lock fixing support, a hydraulic power mechanism, an external detection switch, an internal detection switch, a hydraulic lock fixing lock catch, a manual switch and a hydraulic lock hook clamping plate, wherein the hydraulic lock hook clamping plate is arranged in the middle of an inner cavity of the hydraulic lock fixing support; the hydraulic power supply device is reasonable in structure, simple in structure and high in stability, hydraulic power can be adopted accurately, and the jacking force is large, so that the power exchange process can be completed smoothly.
Description
Technical Field
The invention relates to the technical field of pure electric power change heavy trucks, in particular to a hydraulic locking structure of a power battery system assembly for a pure electric power change heavy truck.
Background
With the continuous implementation of carbon peak reaching, carbon neutralization and green logistics strategies in China, the application scenes of new energy heavy trucks are more and more, and the replacement of the heavy trucks is increasingly accepted by the market as a hotspot.
The current development of new energy automobiles has entered the motorway. By 6 months in 2020, the quantity of automobiles in China is 2.7 hundred million, wherein the number of private automobiles accounts for 73.3 percent, the number of trucks accounts for 10.9 percent, and the number of trucks is about 2940 million. The popularization of new energy automobiles in China is started from 2009, the popularization speed is leading worldwide, but due to technical reasons, freight vehicles with higher energy consumption and emission, particularly heavy trucks, have slower electric energy replacement progress (the emission of one heavy truck is equivalent to 300 cars), and domestic electric heavy trucks are gradually sold in 2019.
The battery replacement card overcomes the short-plate problem of the new energy vehicle in charging time, endurance mileage and the like, and can be applied to the scenes of building material transportation, mine mineral transportation, port area logistics transportation and the like in urban areas in the future, and the battery replacement card also becomes an important ring.
The power battery system assembly needs 6 to 8 batteries, the weight of each battery is about 221kg, the weight of accessories such as a water cooling unit, a battery controller, a battery junction box, a wire harness, cooling liquid, a cooling water tank and the like is 1.5 to 2 tons, and the total weight of the power battery system assembly is about 3 tons.
The power battery system is composed of an upper box body assembly and a lower bracket assembly, the lower bracket assembly is connected with a heavy truck frame, the difficulty is that the lower bracket and the upper box body need to have interchangeability, and the difficulty is that an automatic locking device is needed between the upper box body and the lower bracket. A common automatic locking device adopts a pneumatic locking system, and has the defects that an air cylinder locking assembly is large in size, complex in structure and poor in stability, if air pressure is unstable, and if a lock cylinder of the air cylinder assembly is damaged, the air cylinder assembly cannot be normally opened after being locked due to insufficient jacking force, so that the battery replacement efficiency is influenced.
Therefore, a novel hydraulic locking structure of a power battery system assembly for a pure electric power-change heavy truck is provided to solve the problems.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the problems occurring in the prior art.
Therefore, the invention aims to provide a hydraulic locking structure of a power battery system assembly for a pure electric power change heavy truck, which has the advantages of simple structure, high stability, accuracy due to the adoption of hydraulic power, large jacking force and capability of smoothly completing a power change process.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a hydraulic locking structure of a power battery system assembly for a pure electric power change heavy truck comprises a lower bracket and hydraulic locking assemblies, wherein the hydraulic locking assemblies are arranged at four corners of the top of the lower bracket;
wherein,
the hydraulic locking assembly comprises a hydraulic lock fixing support, a hydraulic power mechanism, an external detection switch, an internal detection switch, a hydraulic lock fixing lock catch, a manual switch and a hydraulic lock hook clamping plate, the hydraulic lock hook clamping plate is arranged in the middle of an inner cavity of the hydraulic lock fixing support, the hydraulic lock fixing lock catch is arranged at the top of the inner cavity of the hydraulic lock fixing support, the hydraulic lock fixing lock catch is connected with the hydraulic lock hook clamping plate, the bottom of the hydraulic lock fixing support is provided with the hydraulic power mechanism, the output end of the hydraulic power mechanism is connected with the bottom of the hydraulic lock hook clamping plate, and the internal detection switch and the external detection switch are arranged on two sides of the hydraulic lock fixing support respectively.
As a preferred scheme of the hydraulic locking structure of the power battery system assembly for the pure electric power change heavy truck, the hydraulic locking structure comprises the following components: the lower bracket comprises a frame, connecting plates and reinforcing ribs, wherein the connecting plates are arranged on two sides of the bottom of the frame, and the reinforcing ribs are arranged between the frame and the connecting plates.
As a preferred scheme of the hydraulic locking structure of the power battery system assembly for the pure electric power change heavy truck, the hydraulic locking structure comprises the following components: the surface of the connecting plate is provided with a fixing bolt and a fixing screw hole, and four corners of the top of the frame are provided with positioning pins.
As a preferred scheme of the hydraulic locking structure of the power battery system assembly for the pure electric power change heavy truck, the hydraulic locking structure comprises the following components: and a manual switch is arranged on one side of the hydraulic lock fixing support, and one end of the manual switch is connected with the hydraulic lock locking clamping plate.
As a preferred scheme of the hydraulic locking structure of the power battery system assembly for the pure electric power change heavy truck, the hydraulic locking structure comprises the following components: the bottom plate of the hydraulic lock fixing support is provided with a U-shaped connecting support, and the locking assembly is connected with the frame in the lower bracket through the U-shaped connecting support.
As a preferred scheme of the hydraulic locking structure of the power battery system assembly for the pure electric power change heavy truck, the hydraulic locking structure comprises the following components: the hydraulic power mechanism comprises an electric hydraulic pump and an electromagnetic valve, and the electromagnetic valve is connected with the heavy truck through CAN communication.
Compared with the prior art, the invention has the beneficial effects that: through with hydraulic locking subassembly through the bolt fastening on four setpoint of lower carriage, hydraulic power unit is inside to contain electronic hydraulic pump and solenoid valve, installs hydraulic power unit on locking subassembly, and the solenoid valve is connected with the whole car of heavily blocking through the CAN communication simultaneously, and when last box need be changed, hydraulic power unit obtains power signal, and the hydraulic pump starts. Then the solenoid valve is opened, and hydraulic oil reaches electronic hydraulic pump through hydraulic line, and the pneumatic cylinder jack-up is with hydraulic pressure lock latch hook cardboard back-off, hydraulic pressure lock unblock. Go up the box and can hoist and carry out the repacking operation, the device simple structure, stability is high, adopts hydraulic power can be accurate, and jack-up power can accomplish the electricity changing process greatly smoothly, and unique design's mechanical locking structure can prevent to go up and throw off between box and the bottom bracket simultaneously, arouses that the box slides and causes the incident.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the locking assembly of the present invention;
fig. 4 is a schematic view of the internal structure of the locking assembly of the present invention.
In the figure; 100 lower brackets, 110 frames, 120 connecting plates, 130 reinforcing ribs, 140 positioning pins, 200 locking assemblies, 210 hydraulic lock fixing supports, 220 hydraulic power mechanisms, 230 external detection switches, 240 internal detection switches, 250 hydraulic lock fixing buckles, 260 manual switches, 270 hydraulic lock hook clamping plates and 280U-shaped connecting supports.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides the following technical scheme: a hydraulic locking structure of a power battery system assembly for a pure electric power change heavy truck has the advantages of simple structure and high stability, can be accurate by adopting hydraulic power, and can smoothly complete the power change process due to large jacking force;
fig. 1 to 4 are schematic structural views illustrating an embodiment of a hydraulic locking structure of a power battery system assembly for a pure electric reloading truck, which includes a main body including a lower bracket 100 and a locking assembly 200;
referring to fig. 1 to 4 again, the lower bracket 100 includes a frame 110, a connecting plate 120 and reinforcing ribs 130, the connecting plate 120 is welded at both sides of the bottom of the frame 110, the reinforcing ribs 130 are welded between the frame 110 and the connecting plate 120, fixing bolts and fixing screw holes are installed on the surface of the connecting plate 120, positioning pins 140 are welded at four corners of the top of the frame 110, and the lower bracket 100 is further used for bearing the upper box and the locking assembly 200;
referring to fig. 1 to 4 again, the hydraulic locking assembly 200 includes a hydraulic lock fixing bracket 210, a hydraulic power mechanism 220, an external detection switch 230, an internal detection switch 240, a hydraulic lock fixing latch 250, a manual switch 260, and a hydraulic lock latch hook catch 270, the hydraulic lock latch hook catch 270 is installed in the middle of the inner cavity of the hydraulic lock fixing bracket 210, the hydraulic lock fixing latch 250 is installed at the top of the inner cavity of the hydraulic lock fixing bracket 210, the hydraulic lock fixing latch 250 is connected to the hydraulic lock latch hook catch 270, the hydraulic power mechanism 220 is screwed to the bottom of the hydraulic lock fixing bracket 210, the output end of the hydraulic power mechanism 220 is connected to the bottom of the hydraulic lock latch hook catch 270, the internal detection switch 240 and the external detection switch 230 are screwed to two sides of the hydraulic lock fixing bracket 210 respectively, the manual switch 260 is installed on one side of the hydraulic lock fixing bracket 210, and one end of the manual switch 260 is connected to the hydraulic lock latch catch, the bottom plate welding of hydraulic pressure lock fixed bolster 210 has U type linking bridge 280, and locking Assembly 200 is connected with the frame 110 in the lower carriage 100 through U type linking bridge 280, and hydraulic power unit 220 includes electronic hydraulic pump and solenoid valve, and the solenoid valve is connected with the whole car of heavy truck through the CAN communication.
The working principle is as follows: in the using process of the invention, the hydraulic locking assembly 200 is fixed on four positioning points of the lower bracket 100 through bolts, the hydraulic power mechanism 220 internally comprises an electric hydraulic pump and an electromagnetic valve, the hydraulic power mechanism 220 is installed on the locking assembly 200, meanwhile, the electromagnetic valve is connected with the heavy truck vehicle through CAN communication, when the upper box body needs to be replaced, the hydraulic power mechanism 220 obtains a power supply signal, and the hydraulic pump is started. Then the solenoid valve opens, and hydraulic oil reaches electronic hydraulic pump through hydraulic line, and the pneumatic cylinder jack-up is with hydraulic pressure lock latch hook cardboard 270 jack-up, and the hydraulic pressure lock unblock. The upper box body can be lifted to carry out reloading operation.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A hydraulic locking structure of a power battery system assembly for a pure electric power change heavy truck is characterized in that the hydraulic locking structure comprises a power battery system assembly and a power battery system assembly; the hydraulic locking device comprises a lower bracket (100) and hydraulic locking assemblies (200), wherein the hydraulic locking assemblies (200) are arranged at four corners of the top of the lower bracket (100);
wherein,
the hydraulic locking assembly (200) comprises a hydraulic lock fixing support (210), a hydraulic power mechanism (220), an outer detection switch (230), an inner detection switch (240), a hydraulic lock fixing lock catch (250), a manual switch (260) and a hydraulic lock hook clamping plate (270), the hydraulic lock latch hook clamping plate (270) is arranged in the middle of an inner cavity of the hydraulic lock fixing bracket (210), the hydraulic lock fixing lock catch (250) is arranged at the top of the inner cavity of the hydraulic lock fixing bracket (210), and the hydraulic lock fixing lock catch (250) is connected with the hydraulic lock locking hook clamping plate (270), a hydraulic power mechanism (220) is arranged at the bottom of the hydraulic lock fixing bracket (210), the output end of the hydraulic power mechanism (220) is connected with the bottom of the locking hook clamping plate (270) of the hydraulic lock, and an inner detection switch (240) and an outer detection switch (230) are respectively arranged on two sides of the hydraulic lock fixing bracket (210).
2. The hydraulic locking structure of the power battery system assembly for the pure electric power conversion heavy truck according to claim 1, characterized in that: the lower bracket (100) comprises a frame (110), a connecting plate (120) and reinforcing ribs (130), wherein the connecting plate (120) is arranged on two sides of the bottom of the frame (110), and the reinforcing ribs (130) are arranged between the frame (110) and the connecting plate (120).
3. The hydraulic locking structure of the power battery system assembly for the pure electric power conversion heavy truck according to claim 2, characterized in that: the surface of the connecting plate (120) is provided with fixing bolts and fixing screw holes, and positioning pins (140) are arranged at four corners of the top of the frame (110).
4. The hydraulic locking structure of the power battery system assembly for the pure electric power conversion heavy truck according to claim 1, characterized in that: one side of the hydraulic lock fixing support (210) is provided with a manual switch (260), and one end of the manual switch (260) is connected with the hydraulic lock locking clamping plate.
5. The hydraulic locking structure of the power battery system assembly for the pure electric power conversion heavy truck according to claim 1, characterized in that: a U-shaped connecting support (280) is arranged on a bottom plate of the hydraulic lock fixing support (210), and the locking assembly (200) is connected with a frame (110) in the lower bracket (100) through the U-shaped connecting support (280).
6. The hydraulic locking structure of the power battery system assembly for the pure electric power conversion heavy truck according to claim 1, characterized in that: the hydraulic power mechanism (220) comprises an electric hydraulic pump and an electromagnetic valve, and the electromagnetic valve is connected with the heavy truck through CAN communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327556.6A CN114683875A (en) | 2022-03-30 | 2022-03-30 | Hydraulic locking structure of power battery system assembly for pure electric power-change heavy truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327556.6A CN114683875A (en) | 2022-03-30 | 2022-03-30 | Hydraulic locking structure of power battery system assembly for pure electric power-change heavy truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114683875A true CN114683875A (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210327556.6A Pending CN114683875A (en) | 2022-03-30 | 2022-03-30 | Hydraulic locking structure of power battery system assembly for pure electric power-change heavy truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114683875A (en) |
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2022
- 2022-03-30 CN CN202210327556.6A patent/CN114683875A/en active Pending
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