CN113733838B

CN113733838B - Suspension lifting device suitable for new energy automobile

Info

Publication number: CN113733838B
Application number: CN202111306393.5A
Authority: CN
Inventors: 谢映吟
Original assignee: Hangzhou Yinbi Technology Co ltd
Current assignee: Hangzhou Yinbi Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-05-17
Anticipated expiration: 2041-11-05
Also published as: CN113733838A

Abstract

The invention discloses a suspension lifting device suitable for a new energy automobile, which relates to the technical field of new energy automobiles and comprises a double-shaft motor, a speed reducer, a flange plate, an upper sleeve, a lower sleeve, a shell, a buffering part, a fixing part, a linkage part, a lubricating part, a first screw rod, a first spring, a second spring, a driving gear, a driven gear, a first nut, a second nut and a disk, wherein the double-shaft motor is fixedly arranged on one side of the upper sleeve, the speed reducer is arranged on an output shaft above the double-shaft motor, the buffering part is arranged on the output shaft of the speed reducer, the fixing part is arranged on the lower part of the upper sleeve, the lower part of the upper sleeve is also provided with a clamping groove, the driving gear is arranged at the end part of the output shaft of the double-shaft motor, the device has more comprehensive lubricating oil spraying when the first screw rod rotates, effectively protects the second screw rod from sliding and reduces abrasion, the potential safety hazard problem of the vehicle is avoided.

Description

Suspension lifting device suitable for new energy automobile

Technical Field

The invention relates to the technical field of new energy vehicles, in particular to a suspension lifting device suitable for a new energy vehicle.

Background

The new energy automobile adopts unconventional automobile fuel as a power source, or uses conventional automobile fuel, adopts a novel vehicle-mounted power device, integrates advanced technologies in the aspects of power control and driving of the automobile, forms an automobile with advanced technical principle, new technology and new structure, and comprises a pure electric automobile, an extended range electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and the like.

The chinese patent publication No. CN113103838A discloses a suspension lifting device suitable for a new energy vehicle, which comprises a housing, a base, a driving motor, a transmission mechanism and a first screw rod; the shell comprises an upper shell and a lower shell which are fixedly connected, and the lower shell and the base are sleeved and can move relatively; the transmission mechanism is positioned in the upper shell and comprises a driving gear and a driven gear which are meshed with each other, the driving gear is arranged outside a driving shaft of the driving motor, and the driven gear is arranged outside the upper end of the screw rod; the screw rod penetrates through the lower shell, and the screw rod is in threaded movable connection with the top end of the base.

Above-mentioned patent makes base and casing take place relative movement through driving motor, drive mechanism and screw rod to adjust the frame height, and among the altitude mixture control process, the highly uniform in automotive suspension both sides, the vehicle atress is balanced but still has following problem: 1. the device lacks under the condition of lubricating oil between screw rod and base, easily produce wearing and tearing after working a period, thereby it is highly inconsistent to lead to the car to hang vehicle both sides lift when lifting frame, thereby can influence vehicle balance, under the more serious condition, smooth silk between screw rod and base loses the cooperation, thereby lead to the vehicle to empty, driving in-process is very dangerous, 2, the car hangs fixedly after the lift is accomplished, it is spacing that rack and locking pin cooperate the grafting block to use, the fixed position of the device is very inaccurate, and fixed effect is also not good, it breaks away from spacingly to cause the bolt disconnection easily when the vehicle jolts, lead to hanging the condition such as fracture, the vehicle takes place the potential safety hazard easily under this kind of condition.

Disclosure of Invention

The embodiment of the invention provides a suspension lifting device suitable for a new energy automobile, and aims to solve the technical problem.

The embodiment of the invention adopts the following technical scheme: a suspension lifting device suitable for a new energy automobile comprises a double-shaft motor, a speed reducer, a flange plate, an upper sleeve, a lower sleeve, a shell, a buffering part, a fixing part, a linkage part, a lubricating part, a first screw, a first spring, a second spring, a driving gear, a driven gear, a first nut, a second nut and a disc, wherein the double-shaft motor is fixedly arranged on one side of the upper sleeve, the speed reducer is arranged on an output shaft above the double-shaft motor, the buffering part is arranged on the output shaft of the speed reducer, the fixing part is arranged on the lower portion of the upper sleeve, a clamping groove is further formed in the lower portion of the upper sleeve, the driving gear is arranged at the end portion of the output shaft of the double-shaft motor, the linkage part is arranged on one side of the fixing part and is in transmission connection with the output shaft below the double-shaft motor, the first nut is arranged above the driven gear, the first screw rod is fixedly arranged at one end of the transmission shaft, the driven gear is arranged on the transmission shaft, the driven gear is meshed with the driving gear, the lower sleeve is screwed in the middle of the first screw rod, one end of the first spring is arranged on the upper wall in the upper sleeve, the other end of the first spring is arranged at the top of the outer wall of the lower sleeve, the lubricating part is arranged above the lower sleeve, the disc is arranged at the bottom of the first screw rod, the second nut is arranged at the bottom of the disc, the second spring is arranged in the lower sleeve, the shell is arranged at the upper end of the first screw rod, the flange plate is arranged at the bottom of the lower sleeve, the outer walls of the upper sleeve and the lower sleeve are provided with an integral shell, and the outer wall of the lower sleeve is further provided with an anti-slip strip.

Further, the buffering part includes buffer nut, buffering axle, two main stoppers and two time stoppers, the fixed central point that sets up at the driving gear of buffering axle puts, buffer nut sets up in the top of driving gear, and with buffering axle threaded connection, two main stopper symmetry sets up the tip at the output shaft of reduction gear, two time stopper symmetry sets up the tip in the below of buffering axle, and main stopper and time stopper are crisscross setting.

Further, fixed part includes two second screw rods, two carousels, two fixed springs, two fixed gears, first fixed disk and second fixed disk, first fixed disk is fixed to be set up on last telescopic spout, the one side symmetry spiro union of first fixed disk has two second screw rods, two fixed gear spiro union is respectively in the one end of two second screw rods, one side of second fixed disk is equipped with two screw holes, two the other end of second screw rod spiro union is respectively in two threaded holes that one side of second fixed disk set up, two the carousel rotates respectively to set up in the bottom of two screw holes, two fixed spring's one end is fixed the one end that sets up at two second screw rods respectively, and two fixed spring's the other end is fixed the setting respectively on two carousels.

Further, the linkage part comprises a first bevel gear, a second bevel gear, a first gear, a fixing shaft and a chain, wherein the bevel gear is arranged at the end part of the output shaft below the double-shaft motor, one end of the fixing shaft is rotatably arranged at one side of the first fixing disc, the first gear is arranged on the fixing shaft and is meshed with the chain, the first bevel gear is arranged at the other end of the fixing shaft, the second bevel gear is arranged at the end part of the output shaft below the double-shaft motor, and the first bevel gear is meshed with the second bevel gear.

Furthermore, the front ends of the two second screw rods are designed into a section type thread.

Further, lubricated part includes oil tank, an oil section of thick bamboo, two hoses, two heating pieces, funnel, oil pump and atomizer, an oil section of thick bamboo sets up telescopic top down, the oil tank sets up at the top of an oil section of thick bamboo, two the bottom of the one end symmetry intercommunication oil tank of hose, two the lateral wall of the other end intercommunication oil section of thick bamboo of hose, two heating piece symmetry sets up at the lateral wall of an oil section of thick bamboo, and two the hose runs through two heating pieces respectively, the funnel sets up the inner wall at an oil section of thick bamboo, and the funnel position is less than the oil-out of two hoses, the oil pump sets up in the below of funnel, and through the export intercommunication of pipeline and funnel below, the output of oil pump is connected with oil outlet pipeline, the atomizer sets up the tip at oil outlet pipeline.

Furthermore, two bolt holes are formed in the flange plate.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the lubricating oil spraying device has the advantages that the lubricating oil spraying is more uniform when the first screw rod of the device rotates due to the arrangement of the oil tank, the oil cylinder, the two hoses, the two heating blocks, the funnel, the oil pump and the atomizing nozzle and the matching of the parts, so that the service life of the second screw rod is effectively protected, the screw rod is prevented from sliding, the abrasion is reduced, the problem of inaccurate height adjustment of a vehicle frame is prevented, and the potential safety hazard of a vehicle is reduced.

Secondly, the device is effectively and accurately fixed through the arrangement of the two second screw rods, the two rotary discs, the two fixing springs, the two fixing gears, the first fixing disc and the second fixing disc and the matching work among the parts, and the problems of inaccurate fixing position and poor fixing effect when the rack and the locking pin are matched for fixing in the prior art are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a perspective view of a portion of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the lower sleeve and the fixing member of the present invention in a first operating state;

FIG. 5 is a schematic view of a second operating state of the present invention in which the lower sleeve and the fixing member are engaged;

FIG. 6 is a schematic view of a cushioning member according to the present invention;

FIG. 7 is a schematic cross-sectional view of a lubricated component according to the present invention;

FIG. 8 is a schematic view of the cooperating structure of the linkage member and the fixing member of the present invention;

FIG. 9 is an exploded view of a second stationary disk and a second screw according to the present invention;

fig. 10 is a sectional view of the overall structure of the present invention.

Reference numerals:

1. a double-shaft motor; 2. a speed reducer; 3. a flange plate; 4. a disc; 5. an upper sleeve; 6. a lubricated component; 7. a linkage member; 8. a buffer member; 9. a fixing member; 10. a housing; 11. a lower sleeve; 12. a first spring; 13. a second spring; 14. a driving gear; 15. a driven gear; 16. a first nut; 17. a second nut; 18. a first screw; 61. an oil tank; 62. an oil cylinder; 63. a hose; 64. a heating block; 65. a funnel; 66. an oil pump; 67. an atomizing spray head; 71. a first bevel gear; 72. a second bevel gear; 73. a first gear; 74. a fixed shaft; 75. a chain; 81. a cushion nut; 82. a buffer shaft; 83. a limiting block; 91. a second screw; 92. a turntable; 93. fixing the spring; 94. fixing a gear; 95. a first fixed disk; 96. a second fixed disk.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "dual axis," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, an embodiment of the present invention provides a suspension lifting device suitable for a new energy vehicle, including a dual-shaft motor 1, a speed reducer 2, and a flange 3, and is characterized by further including an upper sleeve 5, a lower sleeve 11, a housing 10, a buffer member 8, a fixing member 9, a linkage member 7, a lubricating member 6, a first screw 18, a first spring 12, a second spring 13, a driving gear 14, a driven gear 15, a first nut 16, a second nut 17, and a disk 4, wherein the dual-shaft motor 1 is fixedly disposed at one side of the upper sleeve 5, the speed reducer 2 is disposed on an output shaft above the dual-shaft motor 1, the buffer member 8 is disposed on the output shaft of the speed reducer 2, the fixing member 9 is disposed at a lower portion of the upper sleeve 5, a notch is further formed at a lower portion of the upper sleeve 5, the driving gear 14 is disposed at an end portion of the output shaft of the dual-shaft motor 1, the linkage part 7 is arranged on one side of the fixing part 9, the linkage part 7 is in transmission connection with an output shaft below the double-shaft motor 1, the first nut 16 is arranged above the driven gear 15, the first screw 18 is fixedly arranged at one end of the transmission shaft, the driven gear 15 is arranged on the transmission shaft, the driven gear 15 is meshed with the driving gear 14, the lower sleeve 11 is in threaded connection with the middle of the first screw 18, one end of the first spring 12 is arranged on the upper wall inside the upper sleeve 5, the other end of the first spring is arranged on the top of the outer wall of the lower sleeve 11, the lubricating part 6 is arranged above the lower sleeve 11, the disc 4 is arranged at the bottom of the first screw 18, the second nut 17 is arranged at the bottom of the disc 4, the second spring 13 is arranged inside the lower sleeve 11, the shell 10 is arranged at the upper end of the first screw 18, the flange plate 3 is arranged at the bottom of the lower sleeve 11, the outer walls of the upper sleeve 5 and the lower sleeve 11 are provided with a whole shell, and the outer wall of the lower sleeve is also provided with an anti-slip strip 19.

When the device works, the two output shafts above and below the double-shaft motor 1 rotate simultaneously, the lubricating part 6 works while the output shaft below rotates, lubricating oil is sprayed on the first screw 18, at the moment, the output shaft above the double-shaft motor 1 rotates under the speed reduction of the speed reducer 2, the output shaft of the speed reducer 2 drives the buffer part 8 to rotate, the buffer part 8 is provided with a delay rotation, so that the output shaft above the double-shaft motor 1 rotates for a certain angle to drive the driving gear 14 to rotate, the driving gear 14 drives the driven gear 15 meshed with the driving gear to rotate, the driven gear 15 drives the transmission rod to rotate, the transmission rod drives the first screw 18 connected with the transmission rod to rotate, the first screw 18 rotates to drive the lower sleeve 11 in threaded fit with the first screw to move relative to the upper sleeve 5, so as to adjust the height of a vehicle frame, and while the output shaft above the double-shaft motor 1 rotates, an output shaft below the double-shaft motor 1 drives the linkage part 7 to move, the linkage part 7 drives the fixing part 9 to fix the adjusted lower sleeve 11 while moving, the height of the frame is adjusted up and down through the forward rotation and the reverse rotation of the first screw rod 18, lubricating oil is sprayed to the threaded part of the first screw 18 and the lower sleeve 11 through the lubricating part 6, and the spraying of the lubricating oil is more uniform and the lubricating effect is better under the matching of the rotation of the first screw 18, however, the spraying lubrication can effectively prevent the lower sleeve 11 screwed with the first screw 18 from sliding to cause the suspension damage, and avoids the large error of the lifting frame caused by the abrasion of the first screw 18, so that the condition that the vehicle inclines and is not balanced occurs, and the design of the anti-slip strip 19 can prevent the first fixing plate 95 and the second fixing plate 96 from sliding after being fixed.

Specifically, the buffer part 8 includes a buffer nut 81, a buffer shaft 82, two main limit blocks 83 and two secondary limit blocks 84, the buffer shaft 82 is fixedly arranged at the central position of the driving gear 14, the buffer nut 81 is arranged above the driving gear 14 and is in threaded connection with the buffer shaft 82, two the main limit blocks 83 are symmetrically arranged at the end part of the output shaft of the speed reducer 2, two the secondary limit blocks 84 are symmetrically arranged at the end part of the lower part of the buffer shaft 82, and the main limit blocks 83 and the secondary limit blocks 84 are arranged in a staggered manner.

During operation, two stopper 83 that reduction gear 2 output shaft drove the tip rotate certain angle, make two stopper 83 of blotter and tip and two other stopper 83 block that set up the tip in buffering axle 82 below spacing, thereby make reduction gear 2 drive driving gear 14 and rotate, the antiport is with the same reason, the device's setting can make and linkage part 7, when fixed part 9 and second screw 91 cooperate, can play and remove fixed part 9 before second screw 91 rotates and to lower sleeve 11 fixed, also can drive linkage part 7 work after second screw 91 work is accomplished, thereby linkage part 7 drives fixed part 9 and to lower sleeve 11 fixed, it is more convenient that the linkage effect through the device makes the device use, the integration of device and the rationality of device have been embodied.

Specifically, the fixing part 9 includes two second screws 91, two rotating discs 92, two fixing springs 93, two fixed gears 94, a first fixing disc 95 and a second fixing disc 96, the first fixed disk 95 is fixedly arranged on the sliding groove of the upper sleeve 5, two second screws 91 are symmetrically screwed on one side of the first fixed disk 95, two fixed gears 94 are respectively screwed on one ends of the two second screws 91, one side of the second fixed disk 96 is provided with two threaded holes, the other ends of the two second screws 91 are respectively screwed in the two threaded holes arranged on one side of the second fixed disk 96, the two turntables 92 are respectively rotatably arranged at the bottoms of the two threaded holes, one ends of the two fixed springs 93 are respectively fixedly arranged at one ends of the two second screws 91, and the other ends of the two fixing springs 93 are respectively fixedly arranged on the two turntables 92.

When the device works, the two fixed gears 94 rotate to drive the two second screws 91 to rotate, the two second screws 91 rotate to drive the second fixed disk 96 in threaded fit with the two second screws 91 to slowly move towards the direction of the second screws 91, so that the first fixed disk 95 and the second fixed disk 96 clamp and fix the lower sleeve 11, because the front end part of the second screws 91 is provided with two sections of smooth surfaces, the second fixed disk 96 cannot continuously move towards the direction of the second screws 91 when the second screws 91 rotate to the smooth part, at the moment, the second threaded rods keep the original rotation condition in the threaded holes, and at the moment, the fixed part 9 cooperates with the linkage part 7, the rationality of the device is improved, and when the fixation needs to be released, only the linkage part 7 is needed to drive the second screws 91 to reversely rotate, and because the end part of the second threaded rods is connected with the fixed spring 93, at the moment, the spring compresses and butts against the end part of the second screws 91, make second screw rod 91 receive fixed spring 93's thrust when the antiport, closely cooperate with the screw thread in the screw hole, make second screw rod 91 can the antiport with the second fixed plate push away and remove fixedly, and the front end of second screw rod 91 is equipped with one section smooth surface, prevent that second screw rod 91 from continuing to rotate after removing fixedly, thereby break away from the screw hole, and fixed spring 93 is stretched by threaded rod and second fixed disk 96 when fixed part 9 removes fixedly, the pulling force that the spring resets can prevent also that second screw rod 91 from breaking away from the screw hole, the device simple structure, and the laminating is actually easily realized.

Specifically, the linkage member 7 includes a first bevel gear 71, a second bevel gear 72, a first gear 73, a fixed shaft 74 and a chain 75, the bevel gear is disposed at an end portion of the output shaft below the biaxial motor 1, one end of the fixed shaft 74 is rotatably disposed at one side of a first fixed disk 95, the first gear 73 is disposed on the fixed shaft 74, the first gear 73 is engaged with the chain 75, the first bevel gear 71 is disposed at the other end of the fixed shaft 74, the second bevel gear 72 is disposed at an end portion of the output shaft below the biaxial motor 1, and the first bevel gear 71 and the second bevel gear 72 are engaged with each other.

During operation, the output shaft below the double-shaft motor 1 drives the second bevel gear 72 at the end part to rotate along the horizontal plane, and drives the other first bevel gear 71 engaged with the second bevel gear to rotate on the vertical plane, and the fixed shaft 74 rotates and is arranged at one side of the first fixed disc 95, the first bevel gear 71 rotates through the fixed shaft 74 to drive the first gear 73 to rotate, the first gear 73 rotates to drive the chain 75 to transmit, the chain 75 transmits to drive the two fixed gears 94 engaged with the chain to rotate, so that the two fixed gears 94 rotate to drive the fixed part 9 to work, the whole device can be driven to operate only through one double-shaft motor 1, resources are saved more, and energy consumption is reduced.

Specifically, the front ends of the two second screws 91 are designed into a single-section type thread.

In operation, two smooth surfaces are arranged to prevent the second screw 91 from rotating along the thread to disengage from the threaded hole after the second fixing plate is fixed and released, thereby increasing the rationality of the device.

Specifically, the lubricating part 6 comprises an oil tank 61, an oil cylinder 62, two hoses 63, two heating blocks 64, a funnel 65, an oil pump 66 and an atomizing nozzle 67, the oil cylinder 62 is arranged at the top of the lower sleeve 11, the oil tank 61 is arranged at the top of the oil cylinder 62, one end of each of the two hoses 63 is symmetrically communicated with the bottom of the oil tank 61, the other end of each of the two hoses 63 is communicated with the side wall of the oil cylinder 62, the two heating blocks 64 are symmetrically arranged on the side wall of the oil cylinder 62, and the two hoses 63 respectively penetrate through the two heating blocks 64, the funnel 65 is arranged on the inner wall of the oil cylinder 62, and the funnel 65 is positioned lower than the oil outlets of the two hoses 63, the oil pump 66 is arranged below the funnel 65, and the outlet of the lower part of the funnel 65 is communicated with the outlet of the oil pump 66 through a pipeline, the output end of the oil pump is connected with an oil outlet pipeline, and the atomizing nozzle 67 is arranged at the end part of the oil outlet pipeline.

The during operation, when needs lubricate first screw rod 18, two hoses 63 that lubricating oil passes through oil tank 61 bottom intercommunication flow through two heating blocks 64, heat and prevent that the oil temperature from crossing excessively and becoming viscous, thereby influence lubricated effect, from two hoses 63's export inflow funnel 65, input extraction lubricating oil through oil pump 66 spouts through the output, spun lubricating oil is through going out oil pipe and carrying, finally carry out the blowout to lubricating oil by atomizer 67, and first screw rod 18 is more comprehensive of lubricating oil spraying when rotating, the effectual life-span of having protected second screw rod 91 prevents that screw rod silk and reducing wear from appearing, prevent the not accurate problem of frame height-adjusting.

Specifically, two bolt holes are arranged on the flange 3.

When the flange plate works, the flange plate 3 is fixed through bolts.

The working principle is as follows: the lubricating oil in the oil tank 61 is extracted through the oil pump 66, the lubricating oil flows through the two heating blocks 64 through the two hoses 63 communicated with the bottom of the oil tank 61, the lubricating oil is heated to prevent the oil temperature from becoming viscous due to low temperature and affecting the lubricating effect, the lubricating oil flows into the hopper 65 from the outlets of the two hoses 63, the lubricating oil is extracted through the input end of the oil pump 66 and is sprayed out through the output end, the sprayed lubricating oil is conveyed through the oil outlet pipeline, finally the lubricating oil is sprayed out through the atomizing spray head 67, the spraying of the lubricating oil is more comprehensive when the first screw 18 rotates, then the lubricating oil simultaneously rotates through the two output shafts above and below the double-shaft motor 1, when the output shaft above the double-shaft motor 1 rotates, after the output shaft above the double-shaft motor 1 is subjected to speed reduction rotation through the speed reducer 2, the output shaft of the speed reducer 2 drives the two limit blocks 83 at the end part to rotate for a certain angle, the cushion pad and the two limit blocks 83 at the end part are clamped and limited with the other two limit blocks 83 at the end part arranged below the buffer shaft 82, so that the speed reducer 2 drives the driving gear 14 to rotate, and the reverse rotation is the same, the device can be arranged to release the fixing part 9 from fixing the lower sleeve 11 before the second screw 91 rotates when being matched with the linkage part 7, the fixing part 9 and the second screw 91, and can also be matched with the second bevel gear 72 to rotate along the horizontal plane after the second screw 91 finishes working, so as to drive the other first bevel gear 71 meshed with the second bevel gear to rotate on the vertical plane, the fixing shaft 74 is arranged at one side of the first fixing disc 95 in a rotating way, the first bevel gear 71 drives the first gear 73 to rotate through the rotation of the fixing shaft 74, the first gear 73 rotates to drive the chain 75 to transmit, the chain 75 transmits and drives the two fixed gears 94 meshed with the chain 75 to rotate, thereby, the two fixed gears 94 rotate to drive the fixing component 9 to work, so that the first fixed disk 95 and the second fixed disk 96 fix the lower sleeve 11 after the height adjustment is completed, the output shaft below the double-shaft motor 1 rotates and simultaneously drives the second bevel gear 72 at the end portion to rotate along the horizontal plane, and drives the other first bevel gear 71 engaged with the first fixed disk to rotate on the vertical plane, the fixed shaft 74 is rotatably arranged at one side of the first fixed disk 95, the first bevel gear 71 rotates through the rotation of the fixed shaft 74 to drive the first gear 73 to rotate, the first gear 73 rotates to drive the chain 75 to transmit, the chain 75 drives the two fixed gears 94 engaged with the chain to rotate, the two fixed gears 94 rotate to drive the two second screws 91 to rotate, the two second screws 91 rotate to drive the second fixed disk 96 engaged with the second screws to slowly move towards the direction of the second screws 91, so that the first fixing plate 95 and the second fixing plate 96 clamp and fix the lower sleeve 11, because the front end part of the second screw 91 is provided with two sections of smooth surfaces, the second screw 91 rotates to a smooth position, the second fixing plate 96 can not move continuously towards the second screw 91, at the moment, the second screw rod keeps the original rotation in the threaded hole, and at the moment, the fixing part 9 cooperates with the linkage part 7, the rationality of the device is improved, and when the fixing needs to be released, only the double-shaft motor 1 needs to rotate reversely to drive the second screw 91 to rotate reversely, and because the end part of the second screw rod is connected with the fixing spring 93, the spring compresses and collides with the end part of the second screw 91, so that the second screw 91 is pushed by the thrust of the fixing spring 93 when rotating reversely and is tightly matched with the threads in the threaded hole, so that the second screw 91 can rotate reversely to push the second fixing plate to release the fixing, and the front end of the second screw 91 is provided with a section of smooth surface, which prevents the second screw 91 from continuing to rotate after the fixation is released, so as to be separated from the threaded hole, and the fixing spring 93 is stretched by the threaded rod and the second fixing disk 96 when the fixation of the fixing part 9 is released, the second screw 91 can be prevented from being separated from the threaded hole by the tension of the spring reset, when the first fixing disk 95 and the second fixing disk 96 release the fixation of the lower sleeve 11, the anti-slip strip 19 can be designed to prevent the phenomenon that the first fixing disk 95 and the second fixing disk 96 can slide after being fixed, the double-shaft motor 1 rotates reversely to drive the first screw 18 to rotate reversely, so as to adjust the height of the vehicle frame.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A suspension lifting device suitable for a new energy automobile comprises a double-shaft motor (1), a speed reducer (2) and a flange plate (3), and is characterized by further comprising an upper sleeve (5), a lower sleeve (11), a shell (10), a buffering component (8), a fixing component (9), a linkage component (7), a lubricating component (6), a first screw (18), a first spring (12), a second spring (13), a driving gear (14), a driven gear (15), a first nut (16), a second nut (17) and a disc (4), wherein the double-shaft motor (1) is fixedly arranged on one side of the upper sleeve (5), the speed reducer (2) is arranged on an output shaft above the double-shaft motor (1), the buffering component (8) is arranged on the output shaft of the speed reducer (2), the fixing component (9) is arranged on the lower portion of the upper sleeve (5), the lower portion of the upper sleeve (5) is further provided with a clamping groove, the driving gear (14) is arranged at the end portion of an output shaft of the double-shaft motor (1), the linkage part (7) is arranged on one side of the fixing part (9), the linkage part (7) is in transmission connection with the output shaft below the double-shaft motor (1), the first nut (16) is arranged above the driven gear (15), the first screw (18) is fixedly arranged at one end of the transmission shaft, the driven gear (15) is arranged on the transmission shaft, the driven gear (15) is meshed with the driving gear (14), the lower sleeve (11) is in threaded connection with the middle of the first screw (18), one end of the first spring (12) is arranged on the upper wall inside the upper sleeve (5), the other end of the first spring is arranged at the top of the outer wall of the lower sleeve (11), the lubricating part (6) is arranged above the lower sleeve (11), the disc (4) is arranged at the bottom of the first screw (18), the second nut (17) is arranged at the bottom of the disc (4), the second spring (13) is arranged inside the lower sleeve (11), the shell (10) is arranged at the upper end of the first screw (18), the flange (3) is arranged at the bottom of the lower sleeve (11), the outer walls of the upper sleeve (5) and the lower sleeve (11) are provided with a whole shell, the outer wall of the lower sleeve is also provided with an anti-slip strip (19), the buffering component (8) comprises a buffering nut (81), a buffering shaft (82), two main limiting blocks (83) and two secondary limiting blocks (84), the buffering shaft (82) is fixedly arranged at the central position of the driving gear (14), the buffering nut (81) is arranged above the driving gear (14) and is in threaded connection with the buffering shaft (82), and the two main limiting blocks (83) are symmetrically arranged at the end of an output shaft of the speed reducer (2), the two secondary limiting blocks (84) are symmetrically arranged at the end part below the buffer shaft (82), the main limiting blocks (83) and the secondary limiting blocks (84) are arranged in a staggered mode, the fixing component (9) comprises two second screw rods (91), two rotating discs (92), two fixing springs (93), two fixed gears (94), a first fixing disc (95) and a second fixing disc (96), the first fixing disc (95) is fixedly arranged on a sliding groove of the upper sleeve (5), one side of the first fixing disc (95) is symmetrically screwed with the two second screw rods (91), the two fixed gears (94) are respectively screwed at one ends of the two second screw rods (91), one side of the second fixing disc (96) is provided with two threaded holes, and the other ends of the two second screw rods (91) are respectively screwed in the two threaded holes formed in one side of the second fixing disc (96), the two turntables (92) are respectively and rotatably arranged at the bottoms of the two threaded holes, one ends of the two fixing springs (93) are respectively and fixedly arranged at one ends of the two second screw rods (91), and the other ends of the two fixing springs (93) are respectively and fixedly arranged on the two turntables (92).

2. The suspension lifting device suitable for the new energy automobile according to claim 1, wherein the linkage member (7) comprises a first bevel gear (71), a second bevel gear (72), a first gear (73), a fixed shaft (74) and a chain (75), the bevel gears are arranged at the end of the output shaft below the double-shaft motor (1), one end of the fixed shaft (74) is rotatably arranged at one side of the first fixed disc (95), the first gear (73) is arranged on the fixed shaft (74), the first gear (73) is meshed with the chain (75), the first bevel gear (71) is arranged at the other end of the fixed shaft (74), the second bevel gear (72) is arranged at the end of the output shaft below the double-shaft motor (1), and the first bevel gear (71) and the second bevel gear (72) are meshed.

3. The suspension lifting device suitable for the new energy automobile is characterized in that the front ends of the two second screws (91) are in a one-section thread design.

4. The suspension lifting device suitable for the new energy automobile is characterized in that the lubricating part (6) comprises an oil tank (61), an oil cylinder (62), two hoses (63), two heating blocks (64), a funnel (65), an oil pump (66) and an atomizing spray head (67), the oil cylinder (62) is arranged at the top of the lower sleeve (11), the oil tank (61) is arranged at the top of the oil cylinder (62), one ends of the two hoses (63) are symmetrically communicated with the bottom of the oil tank (61), the other ends of the two hoses (63) are communicated with the side wall of the oil cylinder (62), the two heating blocks (64) are symmetrically arranged on the side wall of the oil cylinder (62), the two hoses (63) respectively penetrate through the two heating blocks (64), the funnel (65) is arranged on the inner wall of the oil cylinder (62), and the position of the funnel (65) is lower than oil outlets of the two hoses (63), oil pump (66) set up in the below of funnel (65), and the export intercommunication through pipeline and funnel (65) below, the output of oil pump (66) is connected with oil outlet pipe way, atomizer (67) set up the tip at oil outlet pipe way.

5. The suspension lifting device suitable for the new energy automobile is characterized in that two bolt holes are formed in the flange plate (3).