CN112542647B - Be applied to plug-type dismouting device of adjustable hasp of new forms of energy freight train power battery - Google Patents
Be applied to plug-type dismouting device of adjustable hasp of new forms of energy freight train power battery Download PDFInfo
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- CN112542647B CN112542647B CN202011466832.4A CN202011466832A CN112542647B CN 112542647 B CN112542647 B CN 112542647B CN 202011466832 A CN202011466832 A CN 202011466832A CN 112542647 B CN112542647 B CN 112542647B
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- 210000002105 tongue Anatomy 0.000 claims description 37
- 238000010030 laminating Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 210000001331 nose Anatomy 0.000 description 8
- 238000013461 design Methods 0.000 description 6
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- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to an adjustable hasp push-pull type dismounting device applied to a power battery of a new energy truck, which is arranged between the power battery and a battery mounting bracket and used for realizing quick locking and unlocking between the power battery and the battery mounting bracket; the battery mounting bracket is characterized by comprising two locking beams for forming a bearing part of the battery mounting bracket and a main lock and an auxiliary lock which are respectively integrated on the two locking beams; the structure composition of the primary lock and the secondary lock is the same, and the primary lock and the secondary lock both comprise an operation part and a lock body part, wherein the operation part is used for controlling the locking and unlocking of the lock body part, and the lock body part is used for fixedly connecting the battery base with the mounting bracket. The locking device is safe and reliable, convenient to overhaul and maintain, capable of being firmly locked in interference fit, capable of being locked in multiple ways, capable of manually adjusting the locking tightness, capable of being unlocked and locked in linkage, and capable of being adapted and put into use without changing the power battery and the mounting bracket, and popularization and application of the rapid power battery dismounting device for the new energy freight car are accelerated.
Description
Technical Field
The invention relates to a power battery dismounting structure, in particular to an adjustable hasp push-pull type dismounting device applied to a power battery of a new energy truck, and belongs to the technical field of new energy battery mounting structures.
Background
At present, a power battery of a new energy truck cannot meet the requirement of rapid operation due to long charging time, and further the use value of a vehicle is influenced. Therefore, the current quick battery replacement system is applied to new energy trucks, and power battery quick-disassembly devices for new energy trucks with various structures are developed, and the main types and defects of the current quick-disassembly device are as follows:
1) but self-locking and interlocking's electrical equipment: the requirements on machining and assembling precision of a large number of application electric devices and parts are high, so that the equipment cost is high, and the purchase cost of the new energy truck is increased;
2) mechanical equipment needing manual self-locking and interlocking: the structure is too simple, the workload is slightly lighter than the whole screw assembly workload of the power battery, the time consumption and the labor consumption are too large during assembly and disassembly, and the quick battery replacement requirement is not met;
3) the equipment which needs the customization of the power battery and the mounting bracket comprises: the power battery and the mounting bracket structure which are commonly available in the market are not suitable, the comprehensive application cost is high, and the large-scale popularization is difficult;
4) the device has no or low requirements on the power battery and the mounting bracket structure: the power battery body is stressed too much and has poor safety.
As can be seen from the above, all the existing devices do not support manual adjustment of locking tightness, and the treatment period after locking loosening is long and the cost is high; the locking structure is locked only through a flat plate, a fixing plate made of a planar shape, a pin lock and the like, a locking part deforms slightly to cause structural failure, and the locking of the equipment is loosened.
Therefore, a brand-new power battery quick-dismounting device is urgently needed in the industry, so that the problems related to the prior art are solved, the development of a battery replacement technology is promoted, and the use value of a new energy truck is improved.
Disclosure of Invention
The invention aims to provide an adjustable hasp push-pull type dismounting device applied to a power battery of a new energy truck, the power battery quick dismounting device adopts a multi-mechanical principle composite integrated design, realizes linkage self-locking and linkage unlocking of the device, and has the advantages of comprehensive and reliable functions, low cost, convenient operation, firm locking, and convenient maintenance, repair and fault treatment.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
an adjustable hasp push-pull type dismounting device applied to a power battery of a new energy truck is arranged between the power battery and a battery mounting bracket and used for realizing quick locking and unlocking between the power battery and the battery mounting bracket; the structure of the battery mounting bracket is characterized by comprising two locking beams for forming a bearing part of the battery mounting bracket and a main lock and an auxiliary lock which are respectively integrated on the two locking beams;
the primary lock and the secondary lock are identical in structure composition and respectively comprise an operation part and a lock body part, the operation part is used for controlling locking and unlocking of the lock body part, and the lock body part is used for fixedly connecting the battery base with the mounting bracket;
the locking beams comprise a first locking beam and a second locking beam which are arranged oppositely, the two locking beams are square tubes with the same structure, and the upper end faces of the two locking beams, which are in contact with the power battery, are provided with mounting holes matched with the battery mounting holes;
the lock body part is structurally characterized in that the lock body part comprises a row of lock catches and a pin row assembly, the row of lock catches are composed of a lock plate and a lock tongue, the lock tongue is a bolt-type lock tongue, the head end of the lock tongue is arranged in the screw hole of the lock plate in a penetrating mode, a plurality of lock tongue pin grooves are formed in a screw rod of the lock tongue, the row of lock catches cover the upper end face of a battery mounting hole through the lock plate, the tail end of the lock tongue screw is arranged downwards, the battery mounting hole is penetrated through in an assembly mode, the tail end of the lock tongue screw is arranged downwards, and then the lock catches are inserted into a locking beam and are connected with the pin row assembly inside the locking beam in an adaptive mode.
The pin row assembly comprises a limiting pin plate and a buckling pin plate which are embedded inside the locking beam and are arranged relatively, the limiting pin plate is attached to and fixed on an inner side wall of the locking beam and used for implementing preliminary locking on the lock tongues of the row of lock catches, and the buckling pin plate is slidably attached to the other inner side wall of the locking beam and used for implementing complete locking on the lock tongues of the row of lock catches.
The control part comprises an adjustable pull buckle structure for realizing primary locking and a torsion spring linkage structure for realizing secondary locking; the adjustable pull buckle structure comprises a hook-type lock nose fixedly arranged at the end part of the limit pin plate and a multiple hinge pin which is in sleeve fit with the hook-type lock nose and is respectively connected with the end parts of the limit pin plate and the buckling pin plate; the torsion spring linkage structure comprises two L-shaped auxiliary locking rods and a middle connecting rod, the two L-shaped auxiliary locking rods are respectively arranged at the end parts of the locking beams and are provided with long rods for locking and pressing the transverse operating rod and short rods for connecting the middle connecting rod; two ends of the middle connecting rod are respectively and movably hinged with the short rods of the two L-shaped auxiliary locking rods, so that linkage control between the two L-shaped auxiliary locking rods is realized.
The length direction of spacing round pin board evenly has laid a plurality of spacing key holders, the quantity of spacing key holder matches with the spring bolt quantity phase-match of row's hasp, has all seted up the spacing groove on each spacing key holder, the shape of spacing groove is the half slot, and its diameter is the diameter looks adaptation of spring bolt screw rod to this realizes the spacing locking to the spring bolt screw rod. The lock pin plate is characterized in that a plurality of lock pin seats are uniformly distributed in the length direction of the lock pin plate, the number of the lock pin seats is matched with the number of lock tongues of the row of lock catches, and a plurality of pins are arranged on each lock pin seat.
The bolt pin grooves are cambered surface wedge pin grooves, the groove depth of the bolt pin grooves is equal to the radius of the screw, and a plurality of cambered surface wedge pin grooves are distributed at equal intervals along the bolt screw; the pins are cambered surface wedge-shaped pins, a plurality of cambered surface wedge-shaped pins are equidistantly distributed on the buckling pin base, and the arrangement position direction of the cambered surface wedge-shaped pins is in inserting fit with the bolt pin grooves formed in the bolts of the row lock catches.
Still be provided with the backup pad between spacing round pin board and the lock round pin board, two liang of intervals that are a pair of in the backup pad are installed in the length direction of spacing round pin board, the one end of backup pad links firmly in the terminal surface of spacing round pin board, the other end of backup pad and the terminal surface contact laminating of lock round pin board play not only and support limiting displacement between spacing round pin board and lock round pin board, can also strengthen the bulk strength of round pin row structure simultaneously.
The multiple hinge pin is formed by combining a driving pin sleeve and two linkage pin sleeves. The middle part of the driving pin sleeve is connected with a transverse operating rod, the transverse operating rod can pull and operate the multiple hinge pins to move along a preset direction, the inner ends of the two linkage pin sleeves are respectively in threaded connection with the two ends of the driving pin sleeve, the outer ends of the two linkage pin sleeves are respectively connected with linkage rods through bolt-type connecting rod shafts, the two linkage rods are respectively connected with the upper end and the lower end of the multiple hinge pins of the two locking beams in a pulling mode, and synchronous linkage of the pull buckle structures adjustable in two sides is achieved through the two linkage rods.
Two pull rods are connected between the two linkage pin sleeves and the lock pin plate, each pull rod is an L-shaped pull rod, threads are arranged at two ends of each L-shaped pull rod, a pull rod seat is arranged at the upper part and the lower part of the end part of the lock pin plate respectively, the short rod end of each L-shaped pull rod penetrates through the mounting hole of the corresponding pull rod seat and then is in threaded connection with a nut, and therefore the linkage between the pull rods and the pull rod seats is achieved, and the long rod end of each L-shaped pull rod penetrates through the linkage pin sleeve and then is in threaded connection with the nut, so that the linkage between the pull rods and the linkage pin sleeves is achieved.
Two supporting rods are connected between the driving pin sleeve and the limiting pin plate, the supporting rods are L-shaped supporting rods, threads are arranged at two ends of each L-shaped supporting rod, two supporting rod seats are arranged at the ends, close to the cab, of the limiting pin plate, short rod ends of the L-shaped supporting rods penetrate through the mounting holes of the supporting rod seats and then are connected with nuts in a screwed mode, accordingly, the supporting rods are hinged to the supporting rod seats, and the long rod ends of the L-shaped supporting rods penetrate through the nuts in a screwed mode after the driving pin sleeve, so that the supporting rods and the driving pin sleeve are fixedly connected.
The lower part of the L-shaped auxiliary locking rod is provided with a torsional spring, the torsional spring acts on the L-shaped auxiliary locking rod to enable the long rod of the L-shaped auxiliary locking rod to keep the trend of pressing the long rod to the transverse control rod, the L-shaped auxiliary locking rod is installed on the limiting pin plate through a rod shaft in a rotating mode, the lower end face of the long rod of the L-shaped auxiliary locking rod is provided with a locking groove buckled on the transverse control rod, a limiting block is located on one side of the locking groove and used for preventing the transverse control rod from slipping off from the locking groove, and the lower end of the short rod of the L-shaped auxiliary locking rod is hinged to the middle connecting rod through a shaft hole.
The torsional spring is installed on the limit pin boss through the spring boss, one end of the torsional spring is articulated on the first hanging rod convexly arranged on the L-shaped auxiliary lock rod, and the other end of the torsional spring is articulated on the second hanging rod convexly arranged on the limit pin boss.
The invention relates to an adjustable hasp push-pull type dismounting device applied to a power battery of a new energy truck, by adopting design methods such as interference fit, stress dispersion, multiple structures, mutual association, structural functionalization and the like, and combining and applying technologies of arc-surface-type wedge-shaped pin locks, multiple-associated pin locks, hasps, multiple hinges, torsion springs, connecting rods and shafts, the power battery quick disassembly and assembly equipment for the new energy freight car is simple in structure, safe and reliable, simple in overhaul and maintenance, free of precise electric devices, high in part deformation redundancy, capable of realizing firm locking in interference fit, multiple locking, manual adjustment of locking tightness, linkage unlocking and locking, and capable of adapting to the most common power batteries and mounting bracket structures in the market, does not need to change the power battery and the mounting bracket, the power battery quick-dismounting device can be adapted and put into use, and popularization and application of the power battery quick-dismounting device for the new energy truck are accelerated.
Drawings
FIG. 1 is a schematic diagram of a power battery and a mounting bracket according to an embodiment;
FIG. 2 is a schematic view of a battery mounting bracket configuration;
FIG. 3 is a schematic view of the assembled state of the row of latches;
FIG. 4 is a schematic view of a connection structure of the row of latches and the mounting bracket;
FIG. 5 is a schematic view of a row of latches;
FIG. 6 is a schematic view of a latch bolt structure;
FIG. 7 is a schematic view of a snap-fit pin plate;
FIG. 8 is a schematic view of a snap pin seat;
FIG. 9 is a schematic diagram of a spacing pin plate structure (without a support plate);
FIG. 10 is a schematic view of a spacing pin boss;
FIG. 11 is a schematic view of a spacer pin plate structure (with a support plate);
FIG. 12 is a schematic view of a pin row assembly;
FIG. 13 is a schematic view of an adjustable tab;
FIG. 14 is a schematic view of the linkage rod and multiple hinge pin connection;
FIG. 15 is a schematic view of a linkage structure of a torsion spring;
FIG. 16 is a schematic structural view of an L-shaped secondary lock lever;
FIG. 17 is a schematic view of the connection structure of the intermediate link and the L-shaped secondary lock lever;
FIG. 18 is a schematic view of a hook lock nose configuration;
in the figure, 1, a power battery, 2, a mounting bracket, 21a, a first locking beam, 21b, a second locking beam, 22, a bracket beam, 3, a row of lock catches, 31, a lock plate, 32, a lock tongue, 32a, a lock tongue pin groove, 4, a limit pin plate, 41, a limit pin base, 40, a linkage rod, 41a, a limit groove, 5, a lock pin plate, 51, a lock pin base, 51a, a cambered wedge-shaped pin, 6, a support plate, 7, a hook-type lock nose, 80, a transverse operating rod, 81, an active pin sleeve, 82, a linkage pin sleeve, 83, a bolt-type connecting rod shaft, 84, a pull rod, 84a, a pull rod base, 85, a support rod base, 90, an L-type auxiliary lock rod, 90a, a rod shaft, 90b, a lock groove, 90c, a limit block, 91, a torsion spring, 91a, a spring base, 91b, a first hanging rod, 91c, a second hanging rod, 92 and a middle connecting rod.
Detailed Description
The technical solutions of the embodiments of the present application are clearly and completely described below with reference to the drawings of the present application, and the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments.
Example one
The push-pull type dismounting device with the adjustable hasp, which is applied to the power battery of the new energy truck, is configured between the power battery 1 and the mounting bracket 2, and is used for realizing quick locking and unlocking between the power battery 1 and the mounting bracket 2. Battery mounting holes are formed in two sides of a battery base of the power battery 1 and are fixedly connected with the mounting bracket through the battery mounting holes; the mounting bracket is used for bearing a power battery and is a frame structure formed by welding two opposite bracket longitudinal beams and two opposite bracket cross beams 22, the bracket longitudinal beams are respectively called as a first locking beam 21a and a second locking beam 21b as locking beams in the embodiment, the two locking beams and the two bracket cross beams are made of square steel tubes, one surface of each locking beam, which is in contact with the battery base, is the upper end surface of each locking beam, and the upper end surface of each locking beam is provided with mounting holes matched with the battery mounting holes and is respectively aligned and attached to the battery mounting holes on two sides of the battery base. The structural design of the locking beam can be adapted to power batteries which are ubiquitous in the current market and provided with mounting holes in two opposite sides or two sides of the base.
The push-pull type dismounting device with the adjustable hasp comprises a main lock and an auxiliary lock, wherein the main lock and the auxiliary lock are respectively integrated in a first locking beam 21a and a second locking beam 21b, the main lock and the auxiliary lock are identical in structure composition and respectively comprise an operation part and a lock body part, the operation part is used for controlling locking and unlocking of the lock body part, and the lock body part is used for fixedly connecting a battery base with a mounting bracket.
The lock body part structure includes row's hasp 3 and round pin row subassembly, row's hasp 3 comprises jam plate 31 and the spring bolt 32 that sets up a plurality of screws, spring bolt 32 is the bolt type spring bolt, and its head end is worn to establish and is installed in the screw of jam plate 31, and it has a plurality of spring bolt cotter ways 32a to open on its screw rod, and the screw that jam plate 31 was opened is corresponding with the battery mounting hole one-to-one. The bolt cotter way 32a is the cambered surface wedge cotter way, and its groove depth equals the screw rod radius, and a plurality of cambered surface wedge cotter way distributes along bolt screw rod equidistance, and the antithetical couplet hasp 3 passes the battery mounting hole with the up end of jam plate 31 cover battery mounting hole, the terminal downward assembly mode of bolt 32 screw rod and then inserts inside the locking roof beam, with the inside round pin of locking roof beam row subassembly adaptation connection. The round pin row subassembly is including gomphosis in the locking roof beam inside and relative and spacing round pin board 4 and the lock round pin board 5 of establishing, spacing round pin board 4 laminating is fixed in a locking roof beam inside wall for implement preliminary locking to the spring bolt of antithetical couplet row hasp, 5 slip laminating in another inside wall of locking roof beam of lock round pin board for implement complete locking to the spring bolt of antithetical couplet row hasp. The length direction of the limit pin plate 4 is uniformly provided with a plurality of limit pin seats 41, the number of the limit pin seats 41 is matched with the number of the lock tongues 32 of the row lock catches 3, each limit pin seat 41 is provided with a limit groove 41a, the shape of each limit groove 41a is a semicircular groove, the diameter of each limit groove is matched with the diameter of the lock tongue screw, and therefore limit locking of the lock tongue screw is achieved. The buckling pin plates 5 are evenly distributed with a plurality of buckling pin seats 51 in the length direction, the number of the buckling pin seats 51 is matched with the number of the lock tongues 32 of the row lock catches 3, each buckling pin seat 51 is provided with a plurality of cambered wedge-shaped pins 51a, the cambered wedge-shaped pins 51a are equidistantly distributed on the buckling pin seats 51, and the arrangement position direction of the cambered wedge-shaped pins is matched with the lock tongue pin grooves 32a formed in the lock tongues 32 of the row lock catches 3 in an inserting mode. Relative and still be provided with backup pad 6 between spacing round pin board 4 and the lock round pin board 5 of establishing, 6 two liang of intervals that are a pair of in backup pad are installed in the length direction of spacing round pin board 4, the one end of backup pad 6 links firmly in the terminal surface of spacing round pin board 4, the other end of backup pad 6 and the terminal surface contact laminating of lock round pin board 5 play not only to support limiting displacement between spacing round pin board 4 and lock round pin board 5, can also strengthen the bulk strength of round pin row structure simultaneously.
The control part comprises an adjustable pull buckle structure for realizing primary locking and a torsional spring linkage structure for realizing secondary locking, wherein the adjustable pull buckle structure comprises a hook type lock nose 7 fixedly arranged at the end part of the limit pin plate 4 and a plurality of hinge pins which are in sleeve fit with the hook type lock nose 7 and are respectively connected with the end parts of the limit pin plate 4 and the buckling pin plate 5; the multiple hinge pin is composed of a driving pin bush 81 and two linking pin bushes 82. The middle of the driving pin sleeve 81 is connected with a transverse operating rod 80, the transverse operating rod 80 can pull and operate the multiple hinge pins to move along a preset direction, the inner ends of the two linkage pin sleeves 82 are respectively in threaded connection with the two ends of the driving pin sleeve 81, the outer ends of the two linkage pin sleeves 82 are respectively connected with the linkage rods 40 through bolt-type connecting rod shafts 83, the two linkage rods 40 are respectively tied at the upper end and the lower end of the multiple hinge pins of the two locking beams, and synchronous linkage of the adjustable pull buckle structures at the two sides is realized by means of the two linkage rods 40. Two pull rods 84 are connected between the two linkage pin sleeves 82 and the buckling pin plate 5, each pull rod 84 is an L-shaped pull rod, threads are arranged at two ends of each L-shaped pull rod, a pull rod seat 84a is arranged at the upper part and the lower part of the end part of the buckling pin plate 5 respectively, a short rod end of each L-shaped pull rod penetrates through a mounting hole of the corresponding pull rod seat 84a and then is screwed with a nut, accordingly, the linkage between the pull rods 84 and the pull rod seats 84a is achieved, and a long rod end of each L-shaped pull rod penetrates through the linkage pin sleeves and then is screwed with the nut, so that the linkage between the pull rods 84 and the linkage pin sleeves 82 is achieved. Two support rods 85 are connected between the driving pin sleeve 81 and the limiting pin plate 4, the support rods 85 are L-shaped support rods, threads are arranged at two ends of each L-shaped support rod, two support rod seats 85a are arranged at the plate ends, close to the cab, of the limiting pin plate 4, short rod ends of the L-shaped support rods penetrate through mounting holes of the support rod seats 85a and then are in threaded connection with nuts, accordingly, the support rods 85 are hinged to the support rod seats 85a, the long rod ends of the L-shaped support rods penetrate through the nuts in threaded connection with the driving pin sleeve 81, and the support rods 85 are fixedly connected with the driving pin sleeve 81. In a locking state, the lock tongues 32 of the row of lock catches are inserted into the locking beam, and the lock tongues 32 are partially embedded in the limiting grooves 41a of the limiting pin plates 4 to realize half locking; the multiple hinge pins are arranged in the hook-type lock noses 7, the multiple hinge pins drag the buckling pin plate 5 to a locking position through the pull rod, namely, the cambered surface wedge-shaped pins 51a on the buckling pin plate 5 are inserted in the bolt pin grooves 32a of the bolt 32, and complete locking is realized. The torsion spring linkage structure comprises two L-shaped auxiliary locking rods 90 and a middle connecting rod 92, wherein the two L-shaped auxiliary locking rods 90 are respectively arranged at the end parts of the locking beams and are provided with long rods for locking and pressing the transverse operating rod 80 and short rods for connecting the middle connecting rod 92; two ends of the middle connecting rod 92 are respectively and movably hinged with the short rods of the two L-shaped auxiliary locking rods 90, so that the linkage control between the two L-shaped auxiliary locking rods 90 is realized. The lower portion of the L-shaped auxiliary lock lever 90 is provided with a torsion spring 91, the torsion spring 91 acts on the L-shaped auxiliary lock lever 90 to keep the long rod thereof in a trend of being pressed against the transverse operating lever 80, the L-shaped auxiliary lock lever 90 is rotatably mounted on the limit pin plate 4 through a lever shaft 90a, the lower end face of the long rod of the L-shaped auxiliary lock lever 90 is provided with a lock groove 90b buckled against the transverse operating lever 80 and a limit block 90c located on one side of the lock groove 90b to prevent the transverse operating lever 80 from slipping off from the lock groove 90b, the lower end of the short rod of the L-shaped auxiliary lock lever 90 is hinged with a middle connecting rod 92 through a shaft hole, the torsion spring 91 is mounted on the limit pin plate 4 through a spring seat 91a, one end of the torsion spring 91 is hung on a first hanging rod 91b convexly provided on the L-shaped auxiliary lock lever 90, and the other end of the torsion spring 91 is hung on a second hanging rod 91c convexly provided on the limit pin seat 41.
When the adjustable hasp push-pull type dismounting device applied to the power battery of the new energy truck is locked, the row of buckles penetrate through the power battery mounting hole with the tail ends of the lock tongues downward, are inserted into the locking beam and are nested and attached with the limiting grooves in the limiting pin plates in the locking beam, and the lock tongues are matched with the limiting grooves to limit the circumferential movement of the lock tongues and the limiting grooves to realize half locking. And then the tail end of the long rod of the L-shaped auxiliary lock rod is lifted up, and under the action of the middle connecting rod, the L-shaped auxiliary lock rod of the other locking beam is driven to synchronously twist (rotate anticlockwise around the rod shaft of the L-shaped auxiliary lock rod). The transverse operating rod of the adjustable pull buckle structure is operated, under the action of the two linkage rods, the multiple hinge pins of the main and auxiliary locking mechanisms rotate clockwise around the rod shaft of the short rod of the support rod and drive the respective pull rods to move towards the cab direction, the buckling pin plate slides in the locking beam along with the rod end of the short rod, the cambered wedge-shaped pins on the buckling locking plate are synchronously buckled with the bolt pin grooves of the row of lock catches one by one, after the multiple hinge pins are difficult to rotate, the pressure rod is pushed violently by force, so that the pins are in interference fit with the pin holes, the multiple hinge pins are close to the arc-shaped grooves of the hook-shaped lock noses at most, the transverse operating rod is continuously pushed, and the multiple hinge pins slide to the bottoms of the grooves along the arc-shaped grooves. The L-shaped auxiliary locking rod is loosened, the long rod of the L-shaped auxiliary locking rod is pressed into the upper part of the transverse operating rod again under the action of the torsion spring, and the limiting block is attached to the transverse operating rod at the side far away from the chassis of the vehicle body, so that the transverse operating rod is prevented from rotating anticlockwise in the travelling crane. If the locking is still not completely fastened, the nut at the long rod end of the pull rod is continuously screwed by using a wrench tool until the locking is fastened.
According to the invention, through the composite integrated application of wedge-shaped interference fit, stress point rounding design, multiple hinge structures, adjustable pull buckles, pin locks, torsion springs, linkage rods and shafts, the power battery pull buckle push-pull type quick dismounting equipment for the new energy freight car, which can realize interference fit stirrup locking, linkage unlocking, linkage locking, manual adjustment of locking tightness, multiple strengthening locking looseness prevention, part deformation redundancy and high height, and is adaptive to common power batteries in the market and mounting bracket structures, is realized by a relatively simple structure.
The invention has the advantages that:
(1) local high stress concentration is avoided, firm locking is realized, and high part deformation redundancy is required;
(2) low cost, high fault redundancy;
(3) linkage self-locking and linkage unlocking;
(4) the device can be adjusted manually, and can be quickly processed when loosened;
(5) non-precision machining and precision assembly, and parts can be replaced conveniently;
(6) interference fit to secure the locking;
(7) the power battery and the bracket which are most common in the market are adapted;
(8) the maintenance and the overhaul are convenient, and only simple tools are needed;
(9) no high stress concentration exists, stress is dispersed, and the comprehensive strength is improved;
(10) the structure and the function are integrated, and the functional part is a structural part as far as possible, so that the comprehensive strength is improved;
(11) the multi-mechanical principle composite integrated design enriches functions and avoids the cost increase caused by the application of electric devices;
(12) multiple matching design is adopted to promote redundancy and enhance functionality;
(13) the utility model is convenient for the user to maintain, overhaul, operate and process faults.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An adjustable hasp push-pull type dismounting device applied to a power battery of a new energy truck is arranged between the power battery and a battery mounting bracket and used for realizing quick locking and unlocking between the power battery and the battery mounting bracket; is characterized in that the structure comprises two locking beams which are used for forming a bearing part of the battery mounting bracket and a main lock and an auxiliary lock which are respectively integrated on the two locking beams;
the primary lock and the secondary lock are identical in structure composition and respectively comprise an operation part and a lock body part, the operation part is used for controlling locking and unlocking of the lock body part, and the lock body part is used for fixedly connecting the battery base with the mounting bracket;
the locking beams comprise a first locking beam and a second locking beam which are arranged oppositely, the two locking beams are square tubes with the same structure, and the upper end faces of the two locking beams, which are in contact with the power battery, are provided with mounting holes matched with the battery mounting holes;
the lock body part structurally comprises a row of lock catches and a pin row assembly, wherein the row of lock catches are composed of a lock plate and a lock tongue, the lock tongue is a bolt-type lock tongue, the head end of the lock tongue is arranged in the screw hole of the lock plate in a penetrating mode, a plurality of lock tongue pin grooves are formed in a screw rod of the lock tongue, the row of lock catches penetrate through a battery mounting hole in an assembly mode that the lock plate covers the upper end face of the battery mounting hole, and the tail end of the lock tongue screw rod faces downwards, then the row of lock catches are inserted into a locking beam and are in adaptive connection with the pin row assembly in the locking beam;
the pin row assembly comprises a limiting pin plate and a buckling pin plate which are embedded in the locking beam and are arranged oppositely, the limiting pin plate is attached and fixed to one inner side wall of the locking beam and used for preliminarily locking the lock tongues of the row lock catches, and the buckling pin plate is slidably attached to the other inner side wall of the locking beam and used for completely locking the lock tongues of the row lock catches;
the control part comprises an adjustable pull buckle structure for realizing primary locking and a torsion spring linkage structure for realizing secondary locking; the adjustable pull buckle structure comprises a hook-type lock nose fixedly arranged at the end part of the limit pin plate and a multiple hinge pin which is in sleeve fit with the hook-type lock nose and is respectively connected with the end parts of the limit pin plate and the buckling pin plate; the torsion spring linkage structure comprises two L-shaped auxiliary locking rods and a middle connecting rod, wherein the two L-shaped auxiliary locking rods are respectively arranged at the end parts of the locking beams and are provided with a long rod for locking and pressing the transverse operating rod and a short rod for connecting the middle connecting rod; two ends of the middle connecting rod are respectively and movably hinged with the short rods of the two L-shaped auxiliary locking rods, so that linkage control between the two L-shaped auxiliary locking rods is realized.
2. The push-pull type dismounting device with the adjustable buckle applied to the power battery of the new energy truck as claimed in claim 1,
a plurality of limiting pin seats are uniformly distributed in the length direction of the limiting pin plate, the number of the limiting pin seats is matched with the number of lock tongues of the row of lock catches, each limiting pin seat is provided with a limiting groove, the limiting groove is in a semicircular groove shape, and the diameter of the limiting groove is matched with that of a lock tongue screw, so that the limiting locking of the lock tongue screw is realized; the lock pin plate is characterized in that a plurality of lock pin seats are uniformly distributed in the length direction of the lock pin plate, the number of the lock pin seats is matched with the number of lock tongues of the row of lock catches, and a plurality of pins are arranged on each lock pin seat.
3. The push-pull type dismounting device with the adjustable buckle applied to the power battery of the new energy truck as claimed in claim 2,
the bolt pin grooves are cambered surface wedge pin grooves, the groove depth of the bolt pin grooves is equal to the radius of the screw, and a plurality of cambered surface wedge pin grooves are distributed at equal intervals along the bolt screw; the pins are cambered surface wedge-shaped pins, a plurality of cambered surface wedge-shaped pins are equidistantly distributed on the buckling pin base, and the arrangement position direction of the cambered surface wedge-shaped pins is in inserting fit with the bolt pin grooves formed in the bolts of the row lock catches.
4. The push-pull type dismounting device with the adjustable buckle applied to the power battery of the new energy truck as claimed in claim 1,
the utility model discloses a spacing pin plate, including spacing pin plate, lock cotter board, backup pad, the one end of backup pad links firmly in the terminal surface of spacing pin plate, the other end of backup pad and the terminal surface contact laminating of lock cotter board.
5. The push-pull disassembly and assembly device with the adjustable hasp applied to the power battery of the new energy truck as claimed in claim 1,
the multiple hinge pin is formed by combining a driving pin sleeve and two linkage pin sleeves; the middle part of the driving pin sleeve is connected with a transverse operating rod, the inner ends of the two linkage pin sleeves are in threaded connection with the two ends of the driving pin sleeve respectively, the outer ends of the two linkage pin sleeves are connected with linkage rods through bolt-type connecting rod shafts respectively, the two linkage rods are connected with the upper end and the lower end of the multiple hinge pin of the two locking beams in a pulling mode respectively, and synchronous linkage of the adjustable pull buckle structures on the two sides is achieved by means of the two linkage rods.
6. The push-pull type dismounting device with the adjustable buckle applied to the power battery of the new energy truck as claimed in claim 5,
two pull rods are connected between the two linkage pin sleeves and the lock pin plate, each pull rod is an L-shaped pull rod, threads are arranged at two ends of each L-shaped pull rod, a pull rod seat is arranged at the upper part and the lower part of the end part of the lock pin plate respectively, the short rod end of each L-shaped pull rod penetrates through the mounting hole of the corresponding pull rod seat and then is in threaded connection with a nut, and therefore the linkage between the pull rods and the pull rod seats is achieved, and the long rod end of each L-shaped pull rod penetrates through the linkage pin sleeve and then is in threaded connection with the nut, so that the linkage between the pull rods and the linkage pin sleeves is achieved.
7. The push-pull type dismounting device with the adjustable buckle applied to the power battery of the new energy truck as claimed in claim 5,
two supporting rods are connected between the driving pin sleeve and the limiting pin plate, the supporting rods are L-shaped supporting rods, threads are arranged at two ends of each L-shaped supporting rod, two supporting rod seats are arranged at the ends, close to the cab, of the limiting pin plate, short rod ends of the L-shaped supporting rods penetrate through the mounting holes of the supporting rod seats and then are connected with nuts in a screwed mode, accordingly, the supporting rods are hinged to the supporting rod seats, and the long rod ends of the L-shaped supporting rods penetrate through the nuts in a screwed mode after the driving pin sleeve, so that the supporting rods and the driving pin sleeve are fixedly connected.
8. The push-pull type dismounting device with the adjustable buckle applied to the power battery of the new energy truck as claimed in claim 2,
the lower part of the L-shaped auxiliary locking rod is provided with a torsional spring, the torsional spring acts on the L-shaped auxiliary locking rod to enable the long rod of the L-shaped auxiliary locking rod to keep the trend of pressing the long rod to the transverse control rod, the L-shaped auxiliary locking rod is installed on the limiting pin boss through a rod shaft in a rotating mode, the lower end face of the long rod of the L-shaped auxiliary locking rod is provided with a locking groove buckled on the transverse control rod, a limiting block is located on one side of the locking groove and used for preventing the transverse control rod from slipping off from the locking groove, and the lower end of the short rod of the L-shaped auxiliary locking rod is hinged to the middle connecting rod through a shaft hole.
9. The push-pull type dismounting device with the adjustable buckle applied to the power battery of the new energy truck as claimed in claim 8,
the torsional spring is installed on the limit pin plate through the spring seat, one end of the torsional spring is connected to a first hanging rod which is convexly arranged on the L-shaped auxiliary lock rod in a hanging mode, and the other end of the torsional spring is connected to a second hanging rod which is convexly arranged on the limit pin seat in a hanging mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466832.4A CN112542647B (en) | 2020-12-14 | 2020-12-14 | Be applied to plug-type dismouting device of adjustable hasp of new forms of energy freight train power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466832.4A CN112542647B (en) | 2020-12-14 | 2020-12-14 | Be applied to plug-type dismouting device of adjustable hasp of new forms of energy freight train power battery |
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| Publication Number | Publication Date |
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| CN112542647A CN112542647A (en) | 2021-03-23 |
| CN112542647B true CN112542647B (en) | 2022-08-26 |
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| CN202011466832.4A Active CN112542647B (en) | 2020-12-14 | 2020-12-14 | Be applied to plug-type dismouting device of adjustable hasp of new forms of energy freight train power battery |
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| CN112542647A (en) | 2021-03-23 |
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Address after: No.99 Fushan Road, Laiyang Economic Development Zone, Yantai City, Shandong Province Patentee after: Weichai New Energy Commercial Vehicle Co.,Ltd. Address before: No.99 Fushan Road, Laiyang Economic Development Zone, Yantai City, Shandong Province Patentee before: Shandong Automobile Manufacturing Co.,Ltd. |
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