CN112428749A - Integral rear suspension supporting and positioning structure of electric vehicle - Google Patents

Integral rear suspension supporting and positioning structure of electric vehicle Download PDF

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Publication number
CN112428749A
CN112428749A CN202011370365.5A CN202011370365A CN112428749A CN 112428749 A CN112428749 A CN 112428749A CN 202011370365 A CN202011370365 A CN 202011370365A CN 112428749 A CN112428749 A CN 112428749A
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CN
China
Prior art keywords
rear suspension
suspension support
hole
fixedly connected
electric vehicle
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CN202011370365.5A
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Chinese (zh)
Inventor
朱红军
钱春虎
高裕河
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Jiangsu Jinpeng Group Co Ltd
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Jiangsu Jinpeng Group Co Ltd
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Publication of CN112428749A publication Critical patent/CN112428749A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/004Mounting arrangements for axles

Abstract

The invention discloses an integrated rear suspension supporting and positioning structure of an electric vehicle, which comprises a positioning structure, wherein the positioning structure comprises a fixed frame and a push plate, the left end and the right end of the inside of the fixed frame are connected in a sliding manner, the left end of the push plate on the left side is connected with an adjusting piece in a rotating manner, the upper side and the lower side of the push plate are provided with positioning blocks in a sliding and sleeving manner, a threaded rod is connected between the positioning blocks in a rotating manner, and a sleeved limiting block and a handle are fixedly connected to the upper end of the threaded rod. When the rear suspension supporting members are symmetrically welded on the rear axle pipe through the positioning structure, the rear suspension supporting members symmetrically welded on the rear axle pipe can be positioned on the same horizontal line, and the phenomenon that one or two rear suspension supporting members incline simultaneously when the rear suspension supporting members are positioned in a welding mode is avoided, so that the center deviation is caused.

Description

Integral rear suspension supporting and positioning structure of electric vehicle
Technical Field
The invention relates to the technical field of positioning structures, in particular to an integrated rear suspension supporting and positioning structure of an electric vehicle.
Background
The rear axle of electric vehicle is the rear driving axle component for transmitting vehicle power. It is composed of two half-bridges, and can implement half-bridge differential motion. And also a device for supporting the wheels and connecting the rear wheels.
As is well known, an electric vehicle is widely used in daily life as a transportation vehicle, wherein a rear axle assembly plays a role in supporting wheels and connecting rear wheels in the electric vehicle, and plays a role in driving and decelerating. In the welding assembly process of rear axle constitution, through welding the leaf spring seat on the rear axle assembly for support leaf spring. The violent vibration of the electric vehicle during running is reduced through the steel plate spring, so that the vehicle can keep stable during running.
In order to enhance the stability of the electric vehicle in the driving process, the steel plate springs are arranged on the general electric vehicle rear axle assembly in a symmetrical mode, and thus the steel plate spring seats are required to be symmetrically welded on the rear axle assembly. Because the leaf spring seat welds on the axle pipe of rear axle, often can go out the condition that welding slope appears simultaneously in one of them leaf spring seat or two leaf spring seats when welding, just can lead to welded leaf spring seat not to be in same water flat line on the axle pipe to influence leaf spring's installation.
Disclosure of Invention
The embodiment of the application ensures that the rear suspension support symmetrically welded on the rear axle pipe can be positioned on the same horizontal line by providing the positioning structure for the rear suspension support symmetrically welded on the rear axle pipe, and avoids the simultaneous inclination of one or two rear suspension supports of the rear suspension support when the rear suspension support is positioned by welding, thereby causing the occurrence of the condition of central deviation.
The embodiment of the application provides an integrated rear suspension support positioning structure of an electric vehicle, which comprises a rear suspension support member, a positioning structure, a connecting member and a rear axle pipe,
the rear axle pipe is detachably arranged on the body of the electric vehicle;
the rear suspension support is welded and fixed on the rear axle pipe and is used for realizing an integrated structure of a steel plate spring seat and an adjusting pull rod lifting lug;
the positioning structure is detachably connected to the rear suspension support and used for welding and positioning the rear suspension support;
the positioning structure comprises a fixing frame, a push plate, an adjusting piece, a positioning block, a threaded rod, a limiting block and a handle;
two groups of fixing frames are arranged and are respectively used for fixing rear suspension supporting members on a rear axle pipe, and threaded through holes are formed in the outer walls of the left side and the right side of each fixing frame;
the push plate is connected to the left end and the right end inside the fixed frame in a sliding manner;
the adjusting piece is rotatably connected to the left end of the push plate on the left side and used for pushing the push plate to move in the position in the fixed frame;
the positioning blocks are sleeved on the upper side and the lower side of the push plate in a sliding manner, and the distance between the positioning blocks and the upper end and the lower end of the push plate is 1-2cm greater than the transverse length distance of the rear suspension support;
the threaded rod is rotatably connected between the positioning blocks and positioned above the push plate and used for realizing the movement of the positioning blocks;
the limiting block is fixedly sleeved at the middle position of the threaded rod;
the handle is fixedly connected to the upper end of the threaded rod, is positioned outside the upper end of the fixed frame and is used for realizing the rotation of the threaded rod;
and the connecting piece is fixedly connected between the fixed frames and used for adjusting the distance between the fixed frames.
Further the regulating part rotates the push pedal right-hand member of connecting in the right side for fixed frame symmetry, wherein, the regulating part include the push pedal left end rotate the bull stick of connecting with bull stick left end fixed connection's carousel.
The connecting piece further comprises a mounting base, a connecting rope end, an operating rod, a winding drum and a transmission gear;
the mounting base is fixedly welded on the outer wall of the right end of the fixed frame on the left side and is used for positioning a foundation of the connecting piece;
the winding drum is rotatably connected to the upper end inside the mounting base and has restoring force capable of automatically returning, and the outer wall of the winding drum is rotatably sleeved with the gear disc for realizing winding of the connecting rope;
the transmission gear is rotationally connected below the winding drum and is used for being meshed with the gear disc to rotate;
the operating rod is detachably connected to the front surface of the connecting piece and used for limiting the rotation of the winding drum;
connect the rope end, fixed connection is on the installation base, and connects and rotate through connecting the rope between rope end and the reel and be connected.
Further the upper end of connecting the rope end extends to the upper surface upside of connecting piece, is located the action bars below, and connects fixed frame left end outer wall welded fastening on rope end upper end and right side for realize the connection between the fixed frame.
The operating rod further comprises a handle and an installation head which is rotatably connected with the right end of the handle, a connecting part is fixedly connected with the middle position of the installation head, an installation shaft is fixedly connected with the right end of the connecting part, the bottom end of the installation shaft is rotatably connected with an arc-shaped fixed plate, and a second installation hole is formed in the arc-shaped fixed plate.
Furthermore, a through hole corresponding to the position of the reel shaft hole is formed in the front surface of the connecting piece, a circle of connecting hole is formed by taking the formed through hole as the center of a circle and 1/2 of the distance between the two mounting holes as the radius, and the connecting hole penetrates through the front surface of the connecting piece and extends to the reel.
Furthermore, four corners of the bottom end of the fixing frame are fixedly connected with adjusting columns, wherein each adjusting column comprises a telescopic rod, a second fixing hole, a mounting seat and a supporting plate;
the upper end of the telescopic rod is fixedly connected to the bottom end of the fixed frame;
the second fixing hole is formed in the front surface of the telescopic rod and is designed as a through hole;
the mounting seat is fixedly connected to the bottom end of the telescopic rod;
the backup pad through the cooperation detachable connection in fixture block and block groove on the mount pad left and right sides, backup pad bottom end face after the installation is located same water flat line with mount pad bottom end face.
The rear suspension supporting pieces are used in pairs and are respectively welded on the left side and the right side of a rear axle pipe, wherein each rear suspension supporting piece comprises a pressing plate, a first plane structure, an arc-shaped hole, a lifting lug structure and a first mounting hole;
the pressing plate is a common steel plate with the thickness not less than 3mm and subjected to surface treatment, and the width of the pressing plate can be adapted according to the width of the steel plate spring;
the first plane structure is fixedly connected to the front side and the rear side of the pressing plate and vertically faces downwards at 90 degrees;
the arc-shaped hole is formed in the first plane structure, has the diameter of 60mm and is used for providing a connecting part for welding the support piece on the rear axle pipe;
the lifting lug structure is fixedly connected to the left end of the first plane structure at the front side, symmetrically and fixedly connected to the left end of the first plane structure at the rear side relative to the pressing plate, and used for mounting a rear axle adjusting pull rod;
and the mounting hole is formed in the pressing plate and used for mounting the central bolt of the steel plate spring.
The lifting lug structure further comprises a plane structure II, a fixing hole I and a plane structure III;
the second planar structure is fixedly connected to the left end of the first planar structure, and the second planar structure is bent inwards by 60 degrees by taking the left end face of the first planar structure as an end point;
and the third planar structure is fixedly connected to the left end of the second planar structure, and the third planar structure is outwards bent by 60 degrees by taking the left end face of the second planar structure as an end point.
Further be equipped with two kinds of screw thread directions on the threaded rod, the screw thread direction sets up clockwise on the threaded rod of stopper left end, the direction anticlockwise setting of screw thread on the threaded rod of stopper right-hand member.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. firstly, adjusting the distance between the positioning blocks to be maximum, then sleeving the fixing frame on the supporting piece, rotating the rotating rod to push the push plate to the direction of the supporting piece, stopping rotating the rotary disc after the push plate is tightly attached to the supporting piece, then rotating the threaded rod, moving the positioning blocks to the opposite direction, and fixing the supporting piece; when the fixing frame moves, the supporting plate is clamped on the mounting seat, then the telescopic rod is pulled downwards, the bottom end face of the mounting seat and the bottom end face of the supporting plate are simultaneously contacted with the processing plane, the position of the telescopic rod is fixed, then the fixing frame at the left end of the connecting piece is kept still, the fixing frame at the right end of the connecting piece is pulled in the opposite direction, and the end of the connecting rope is pulled out by the pulling force, so that the distance between the fixing frames is adjusted; when the rear suspension support is symmetrically welded on the rear axle pipe through the positioning structure, two groups of fixing frames are ensured to move on the same horizontal line, so that the two groups of fixing frames are parallel to a machining plane, the rear suspension support welded on the rear axle pipe can be positioned on the same horizontal line, and the phenomenon that one or two rear suspension supports incline simultaneously when the rear suspension support is welded and positioned is avoided, so that the situation of center deviation is caused.
2. The mounting shaft is inserted into a shaft hole in the winding drum, then the arc-shaped fixing plate is rotated to enable the position of the mounting hole II to correspond to the connecting hole in the connecting piece, and then the bolt is inserted to enable the bolt to penetrate through the connecting hole and be inserted into the winding drum, so that the rotation of the winding drum is limited, and the distance between the fixing frames is fixed; make this connecting piece realize spacingly after connecting the rope and pull out, make fixed frame position behind the adjustment distance can be fixed, the condition that can not appear resetting suddenly.
3. This back suspension supporting part realizes steel plate spring seat and regulation pull rod lug integral type structure, effectively avoids the risk of welding dislocation between steel plate spring seat and the regulation pull rod lug, reinforcing welding strength.
Drawings
FIG. 1 is a schematic view of an integrated rear suspension support positioning structure of an electric vehicle in the practice of the present application;
FIG. 2 is a top view of the positioning structure of FIG. 1;
FIG. 3 is a top view of the fixed frame of FIG. 2;
FIG. 4 is a schematic view of a fixed frame structure in FIG. 2;
FIG. 5 is a schematic view of the threaded rod of FIG. 3;
FIG. 6 is a schematic view of the connector of FIG. 1;
FIG. 7 is a schematic view of the internal structure of the connector shown in FIG. 6;
FIG. 8 is a schematic view of the lever of FIG. 6;
FIG. 9 is a schematic view of the structure of the adjustment column of FIG. 4;
FIG. 10 is a schematic diagram of the rear suspension support of FIG. 1;
fig. 11 is a state diagram of the positioning structure of fig. 1 in use.
In the figure: 10, a rear suspension support, 110 pressing plates, 120, a first plane structure, 130 arc-shaped holes, 140 lifting lug structures, 141, a second plane structure, 142, a third plane structure, 143, a first fixing hole and 150, wherein the first plane structure is a plane structure; 20 positioning structures, 210 push plates, 220 fixing frames, 230 adjusting pieces, 231 rotating rods, 232 rotating discs, 240 positioning blocks, 250 threaded rods, 260 limiting blocks, 270 handles, 280 adjusting columns, 281 telescopic rods, 282 fixing holes II, 283 installation seats and 284 supporting plates;
30 connecting pieces, 300 mounting bases, 310 connecting rope ends, 320 operating rods, 321 handles, 322 mounting heads, 323 connecting parts, 324 mounting shafts, 325 arc-shaped fixing plates, 326 mounting holes II, 330 winding drums and 340 transmission gears;
40 rear axle tube.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
Referring to fig. 1-5, an integrated rear suspension support positioning structure of an electric vehicle comprises a rear suspension support member 10, a positioning structure 20, a connecting member 30 and a rear axle tube 40;
the rear axle pipe 40 is detachably arranged on the body of the electric vehicle and is used for forming a component of a rear axle assembly;
the rear suspension supporting pieces 10 are welded and fixed on the rear axle tube 40, and the rear suspension supporting pieces 10 are used in pairs and respectively welded on the left side and the right side of the rear axle tube 40 to realize the integral supporting of the steel plate spring and the rear axle adjusting pull rod lifting lug;
the positioning structure 20 is detachably connected to the rear suspension support 10 and used for welding and positioning the rear suspension support 10, so that the rear suspension support 10 welded to the rear axle tube 40 is ensured to be on the same horizontal line, and the situation that the rear suspension support 10 is inclined during welding and positioning, so that the center is offset is avoided;
the positioning structure 20 comprises a fixing frame 220, a push plate 210, an adjusting piece 230, a positioning block 240, a threaded rod 250, a limiting block 260 and a handle 270;
two groups of fixing frames 220 are arranged and are respectively used for fixing the rear suspension support member 10, so that the stability of welding the rear suspension support member 10 on the rear axle tube 40 is ensured, and the inclination is avoided during welding;
the push plate 210 is slidably connected to the left and right ends inside the fixing frame 220;
the adjusting member 230 is rotatably connected to the left end of the push plate 210 on the left side, and the adjusting member 230 is symmetrically and rotatably connected to the right end of the push plate 210 on the right side relative to the fixed frame 220, so as to adjust the position of the push plate 210 in the fixed frame 220, and to realize position movement of the push plate 210;
the positioning block 240 is sleeved on the upper side and the lower side of the push plate 210 in a sliding manner;
the threaded rod 250 is rotatably connected between the positioning blocks 240, and the threaded rod 250 is positioned above the push plate 210 and used for adjusting the position of the positioning block 240 on the push plate 210 so as to realize position movement of the positioning block 240;
the limiting block 260 is fixedly sleeved at the middle position of the threaded rod 250;
the handle 270 is fixedly connected to the upper end of the threaded rod 250, and the handle 270 is located outside the upper end of the fixing frame 220 and used for realizing rotation of the threaded rod 250;
the connecting member 30 is fixedly connected between the two sets of fixing frames 220 for adjusting the distance between the two sets of fixing frames 220 so that the rear suspension support 10 can be positioned on the same horizontal line when welded.
The adjusting member 230 includes a rotating rod 231 and a rotating disc 232;
the rotating rod 231 is rotatably connected to the left end of the push plate 210, and the rotating rod 231 penetrates through the fixed frame 220 and extends to the outside of the left end of the fixed frame 220, so as to push the push plate 210 to slide in the fixed frame 220;
the rotary plate 232 is fixedly connected to the left end of the rotary rod 231 and used for rotating the rotary rod 231.
The outer walls of the left side and the right side of the fixing frame 220 are provided with threaded holes, and the depth of the threaded holes penetrates through the outer wall of the fixing frame 220 and is designed as through holes for realizing the rotary connection with the rotating rods 231.
The threaded rod 250 is provided with two thread directions, the limit block 260 is fixedly sleeved on the threaded rod 250, so that the limit block 260 is used as a limit, the thread direction on the threaded rod 250 at the left end of the limit block 260 is clockwise arranged, the thread direction on the threaded rod 250 at the right end of the limit block 260 is anticlockwise arranged, when the handle 270 is clockwise rotated, the positioning block 240 on the push plate 210 rotates along the threaded rod 250 to the opposite direction, and when the handle 270 is anticlockwise rotated, the positioning block 240 on the push plate 210 rotates along the threaded rod 250 to the opposite direction.
The maximum dimension distance between the positioning blocks 240 on the push plate 210 (i.e. the positioning blocks 240 are respectively positioned at the upper end and the lower end of the push plate 210) is 1-2cm greater than the transverse length distance of the rear suspension support 10, when the fixing frame 220 is fixed on the rear suspension support 10, the distance between the positioning blocks 240 is firstly adjusted to be maximum, then the position of the push plate 210 is adjusted to be close to the rear suspension support 10, so that the push plate 210 is tightly attached to the support, and finally the handle 270 is rotated to move the positioning blocks 240 in opposite directions, so that the support is fixed.
In practical operation of the embodiment of the present application, when the rear suspension support 10 needs to be welded to the rear axle tube 40, since the rear suspension support 10 needs to be welded symmetrically, before the fixing frame 220 is installed on the rear suspension support 10, the distance between the positioning blocks 240 is adjusted to be maximum (that is, the positioning blocks 240 are respectively located at the upper and lower ends of the push plate 210 at the same time), then the fixing frame 220 is respectively sleeved on the rear suspension support 10, the rotating disc 232 is rotated clockwise to rotate the rotating rod 231, thereby pushing the push plate 210 toward the rear suspension support 10, when the push plate 210 is tightly attached to the outer surface of the support, the rotating disc 232 is stopped, the threaded rod 250 is driven to rotate by clockwise rotating the handle 270, so that the positioning block 240 moves along the push plate 210 in the opposite direction, the rear suspension support 10 is fixed between the positioning blocks 240, the handle 270 is stopped to rotate, the position of the fixing frame 220 at the left, at this time, the rear suspension support 10 is welded to the left and right sides of the rear axle tube 40 only by pulling the fixing frame 220 at the right end of the connecting member 30 to move along the rear axle tube 40 and pulling it to a proper position.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
when the rear suspension supporting members are symmetrically welded on the rear axle pipe through the positioning structure, the rear suspension supporting members symmetrically welded on the rear axle pipe can be positioned on the same horizontal line, and the phenomenon that one or two rear suspension supporting members incline simultaneously when the rear suspension supporting members are positioned in a welding mode is avoided, so that the center deviation is caused.
Example two
Referring to fig. 6 to 8, in order to adjust the distance between two sets of the fixing frames 220, the connecting member 30 is designed to facilitate the adjustment of the distance between the fixing frames 220, so that the adjustment range is wide and the adaptability is strong.
The connecting piece 30 comprises a mounting base 300, a connecting rope end 310, an operating rod 320, a winding drum 330 and a transmission gear 340;
the mounting base 300 is fixedly welded on the outer wall of the right end of the left fixing frame 220 and is used for mounting and supporting a positioning base of the connecting piece 30 and other components of the connecting piece 30;
the winding drum 330 is rotatably connected to the upper end inside the installation base 300, and the outer wall of the winding drum 330 is rotatably sleeved with a gear disc for realizing the winding of the connection rope;
the transmission gear 340 is rotatably connected below the winding drum 330 and is used for being meshed with the gear disc to rotate;
the operating lever 320 is detachably coupled to the front surface of the connecting member 30 for restricting the rotation of the drum 330;
the connecting rope end 310 is fixedly connected to the mounting base 300, and the connecting rope end 310 is rotatably connected to the winding drum 330 through a connecting rope.
The upper end of connecting rope end 310 extends to the upper surface upside of connecting piece 30, and connects rope end 310 upper end and the fixed frame 220 left end outer wall welded fastening on right side for realize two sets ofly connect between the fixed frame 220.
The operating principle of the winding drum 330 is similar to that of a tape measure, the winding drum 330 has restoring force capable of automatically returning, the connection rope is wound on the winding drum 330, and the length of the connection rope can be determined according to requirements.
The operating rod 320 comprises a handle 321, a mounting head 322, a connecting part 323, a mounting shaft 324, an arc-shaped fixing plate 325 and a second mounting hole 326;
the handle 321 is used for installing the operating rod 320, and convenience is provided for installation and disassembly of the operating rod 320;
the mounting head 322 is rotatably connected to the right end of the handle 321;
the connecting part 323 is fixedly connected to the middle position of the mounting head 322;
the mounting shaft 324 is fixedly connected to the right end of the connecting part 323 and is used for connecting with a middle shaft hole of the winding drum 330;
the arc-shaped fixing plate 325 is rotatably connected to the bottom end of the mounting shaft 324 and used for limiting the rotation of the winding drum 330;
the second mounting hole 326 is formed in the arc-shaped fixing plate 325.
The front surface of the connecting piece 30 is provided with a through hole, and the position of the through hole is up-down corresponding to the position of the shaft hole on the winding drum 330, so as to realize the installation of the installation shaft.
The front surface of the connecting element 30 is provided with a circle of connecting holes by taking the formed through holes as the circle center, and the two halves of the distance between the two 326 mounting holes on the arc-shaped fixing plate 325 are provided with a radius, and the connecting holes are also formed in a through hole shape, penetrate through the front surface of the connecting element 30 and extend to the winding drum 330, and are used for fixing the positions of the arc-shaped fixing plates 326.
After the connecting rope is pulled out, the distance between the two groups of fixing frames 220 is gradually increased, the distance between the fixing frames 220 is adjusted to a proper position, and in order to prevent the connecting rope from automatically contracting back, the rotating of the winding drum 330 is limited by the operating rod 320, so that the distance between the fixing frames 220 is fixed.
In the practical operation of the embodiment of the present application, after the fixing frame 220 is fixed on the rear suspension support 10, if the distance between the fixing frames 220 needs to be adjusted, at this time, the position of the fixing frame 220 at the left end or the right end of the connecting member 30 is kept fixed, the fixing frame 220 at the other end is pulled to move in the opposite direction, the end 310 of the connecting rope is pulled out by the pulling force, thereby realizing the distance adjustment between the fixing frames 220, in order to prevent the connecting rope from automatically retracting, the mounting shaft 324 is inserted into the shaft hole on the winding drum 330 through the handle 321, then the arc fixing plate 325 is rotated to make the position of the second mounting hole 326 correspond to the connecting hole on the connecting member 30, then the bolt is inserted to make the through connecting hole to be inserted into the winding drum 330, thereby limiting the rotation of.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
the distance adjustment between the fixed frames is realized through the connection mode, the adjustment distance of the connection mode is increased, and the adaptability of the connecting piece is improved; and meanwhile, the device has a limiting effect, so that the position of the fixed frame after the distance is adjusted can be fixed, and the condition of sudden reset cannot occur.
EXAMPLE III
Referring to fig. 9, when the distance between the two sets of fixing frames 220 increases, in order to ensure that the two sets of fixing frames 220 can move on the same horizontal line, adjusting posts 280 are designed to make the two sets of fixing frames 280 parallel to the processing plane and ensure that the two sets of fixing frames 220 are at the same horizontal level.
The adjusting columns 280 are fixedly connected to four corners of the bottom end of the fixed frame 220 and used for ensuring that the two groups of fixed frames 220 are positioned at the same horizontal position and height, so that the bottom end surface of the fixed frame 220 is parallel to the processing plane;
the adjusting column 280 comprises an expansion link 281, a second fixing hole 282, a mounting seat 283 and a supporting plate 284;
the upper end of the telescopic rod 281 is fixedly connected to the bottom end of the fixed frame 220 and is used for adjusting the length of the adjusting column 280;
the second fixing hole 282 is formed in the front surface of the expansion link 281, and the second fixing hole 282 is designed to be a through hole and used for fixing the position of the expansion link 281 after expansion or contraction;
the mounting seat 283 is fixedly connected to the bottom end of the telescopic rod 281;
the support plates 284 are detachably attached to the left and right sides of the mounting seat 283 to enhance the verticality of the bottom end of the adjusting post 280 with respect to the processing plane.
The supporting plate 284 and the mounting seat 283 are detachably connected through the matching of the clamping blocks and the clamping grooves (the clamping blocks are fixedly connected to the supporting plate 284, the clamping grooves are formed in the left side and the right side of the mounting seat 283 or the supporting plate 284 is installed at one end of the mounting seat 283 and is provided with the clamping grooves, the clamping blocks are fixedly connected to the left end and the right end of the mounting seat 283), and the bottom end face of the supporting plate 284 and the bottom end face of the mounting seat 283 are located on the same horizontal line.
In practical operation of the embodiment of the present invention, when the fixing frame 220 fixedly sleeved on the rear suspension support 10 moves, although the connection between the fixing frames 220 is realized by the connecting member 30, the problem of inclination of the fixing frame 220 is not guaranteed when the fixing frame 220 moves, at this time, the length of the adjusting post 280 needs to be adjusted, first, the supporting plate 284 is clamped on the mounting seat 283, then the telescopic post 281 is pulled downwards, so that the bottom end surfaces of the mounting seat 283 and the supporting plate 284 are simultaneously contacted with the processing plane, and then the bolt is inserted into the two fixing holes 282, so as to adjust the position of the telescopic post 281, and particularly, the distance of the up-and-down adjustment of the adjusting posts 280 of the two sets of fixing frames 220 is the same (that is, the length of the telescopic post 281 is the same).
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
through the adjusting column, the two groups of fixing frames are ensured to be at the same horizontal position height, so that the two groups of fixing frames are parallel relative to a processing plane, the two groups of fixing frames can move on the same horizontal line, and the rear suspension support is ensured to be on the same horizontal line during welding.
Example four
Referring to fig. 10, when the steel plate spring seat and the adjusting drawbar lug are welded to the rear axle assembly, in order to make the center lines of the steel plate spring seat and the adjusting drawbar lug consistent when the steel plate spring seat and the adjusting drawbar lug are welded, the rear suspension support 10 is designed to realize the integral structure of the steel plate spring seat and the adjusting drawbar lug
The rear suspension support 10 comprises a pressing plate 110, a first plane structure 120, an arc-shaped hole 130, a lifting lug structure 140 and a first mounting hole 150;
the pressing plate 110 is a common steel plate with the thickness not less than 3mm and subjected to surface treatment, and the width of the pressing plate 110 can be adapted according to the width of a steel plate spring and is used as a positioning foundation for other components of the support;
the first plane structure 120 is fixedly connected to the front side and the rear side of the pressure plate 110, and the first plane structure 120 is vertically downward at an angle of 90 degrees, so that the locknut is convenient to assemble;
the arc-shaped hole 130 is formed in the first plane structure 120, and the diameter of the arc-shaped hole 130 is 60mm, so that the support is welded to a connecting part of the rear axle pipe 40;
the lifting lug structure 140 is fixedly connected to the left end of the first planar structure 120 at the front side, and the lifting lug structure 140 is symmetrically and fixedly connected to the left end of the first planar structure 120 at the rear side relative to the pressing plate 110, and is used for mounting a rear axle adjusting pull rod;
the lifting lug structure 140 comprises a second plane structure 141, a first fixing hole 143 and a third plane structure 142;
the second planar structure 141 is fixedly connected to the left end of the first planar structure 120, and the second planar structure 141 is bent inwards by 60 degrees by taking the left end face of the first planar structure 120 as an end point;
the third planar structure 142 is fixedly connected to the left end of the second planar structure 141, and the third planar structure 142 is bent outwards by 60 degrees by taking the left end face of the second planar structure 141 as an end point;
the first fixing hole 143 is formed in the third planar structure 142 and used for fixing a rear axle adjusting tie rod ball head;
the mounting hole 150 is formed in the pressing plate 110 and used for mounting a center bolt of a leaf spring.
The pressing plate 110, the first plane structure 120, the arc-shaped hole 130, the second plane structure 141 and the third plane structure 142 can be formed integrally by bending again after the same steel plate is not separated and cut.
In practical operation of the embodiment of the present application, the second planar structure 141 bent inward by 60 degrees and the third planar structure 142 bent outward by 60 degrees form the lifting lug structure 140, so that the steel plate spring seat and the adjusting pull rod lifting lug are combined into one, and then the rear suspension support 10 is welded to the rear axle pipe 40 through the arc hole 130.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
this hang support behind electric motor car realizes steel plate spring seat and regulation pull rod lug integral type structure, effectively avoids the risk of welding dislocation between steel plate spring seat and the regulation pull rod lug, reinforcing welding strength.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a hang support location structure behind electric motor car integral type, hangs supporter, location structure, connecting piece and rear axle pipe, its characterized in that including the back:
the rear axle pipe is detachably arranged on the body of the electric vehicle;
the rear suspension support is welded and fixed on the rear axle pipe and is used for realizing an integrated structure of a steel plate spring seat and an adjusting pull rod lifting lug;
the positioning structure is detachably connected to the rear suspension support and used for welding and positioning the rear suspension support;
the positioning structure comprises a fixing frame, a push plate, an adjusting piece, a positioning block, a threaded rod, a limiting block and a handle;
two groups of fixing frames are arranged and are respectively used for fixing rear suspension supporting members on a rear axle pipe, and threaded through holes are formed in the outer walls of the left side and the right side of each fixing frame;
the push plate is connected to the left end and the right end inside the fixed frame in a sliding manner;
the adjusting piece is rotatably connected to the left end of the push plate on the left side and used for pushing the push plate to move in the position in the fixed frame;
the positioning blocks are sleeved on the upper side and the lower side of the push plate in a sliding manner, and the distance between the positioning blocks and the upper end and the lower end of the push plate is 1-2cm greater than the transverse length distance of the rear suspension support;
the threaded rod is rotatably connected between the positioning blocks and positioned above the push plate and used for realizing the movement of the positioning blocks;
the limiting block is fixedly sleeved at the middle position of the threaded rod;
the handle is fixedly connected to the upper end of the threaded rod, is positioned outside the upper end of the fixed frame and is used for realizing the rotation of the threaded rod;
and the connecting piece is fixedly connected between the fixed frames and used for adjusting the distance between the fixed frames.
2. The integrated rear suspension support positioning structure for the electric vehicle as claimed in claim 1, wherein: the regulating part rotates the push pedal right-hand member of connecting in the right side for fixed frame symmetry, wherein, the regulating part include the push pedal left end rotate the bull stick of connecting with bull stick left end fixed connection's carousel.
3. The integrated rear suspension support positioning structure for the electric vehicle as claimed in claim 1, wherein: the connecting piece comprises a mounting base, a connecting rope end, an operating rod, a winding drum and a transmission gear;
the mounting base is fixedly welded on the outer wall of the right end of the fixed frame on the left side and is used for positioning a foundation of the connecting piece;
the winding drum is rotatably connected to the upper end inside the mounting base and has restoring force capable of automatically returning, and the outer wall of the winding drum is rotatably sleeved with the gear disc for realizing winding of the connecting rope;
the transmission gear is rotationally connected below the winding drum and is used for being meshed with the gear disc to rotate;
the operating rod is detachably connected to the front surface of the connecting piece and used for limiting the rotation of the winding drum;
connect the rope end, fixed connection is on the installation base, and connects and rotate through connecting the rope between rope end and the reel and be connected.
4. The integrated rear suspension support positioning structure for the electric vehicle as claimed in claim 3, wherein: the upper end of connecting the rope end extends to the upper surface upside of connecting piece, is located the action bars below, and connects fixed frame left end outer wall welded fastening on rope end upper end and right side for realize the connection between the fixed frame.
5. The integrated rear suspension support positioning structure for the electric vehicle as claimed in claim 3, wherein: the operating rod comprises a handle and an installing head which is rotatably connected with the right end of the handle, a connecting part is fixedly connected with the middle position of the installing head, an installing shaft is fixedly connected with the right end of the connecting part, the bottom end of the installing shaft is rotatably connected with an arc-shaped fixed plate, and a second installing hole is formed in the arc-shaped fixed plate.
6. An integrated rear suspension support positioning structure for an electric vehicle as claimed in claim 3 or 5, wherein: and a through hole corresponding to the position of the shaft hole of the winding drum is formed in the front surface of the connecting piece, a circle of connecting hole is formed by taking the formed through hole as the center of a circle and 1/2 of the distance between the two mounting holes as the radius, and the connecting hole penetrates through the front surface of the connecting piece and extends to the winding drum.
7. The integrated rear suspension support positioning structure for the electric vehicle as claimed in claim 1, wherein: four corners of the bottom end of the fixing frame are fixedly connected with adjusting columns, wherein each adjusting column comprises a telescopic rod, a second fixing hole, a mounting seat and a supporting plate;
the upper end of the telescopic rod is fixedly connected to the bottom end of the fixed frame;
the second fixing hole is formed in the front surface of the telescopic rod and is designed as a through hole;
the mounting seat is fixedly connected to the bottom end of the telescopic rod;
the backup pad through the cooperation detachable connection in fixture block and block groove on the mount pad left and right sides, backup pad bottom end face after the installation is located same water flat line with mount pad bottom end face.
8. The integrated rear suspension support positioning structure for the electric vehicle as claimed in claim 1, wherein: the rear suspension supports are used in pairs and are respectively welded on the left side and the right side of a rear axle pipe, wherein each rear suspension support comprises a pressure plate, a first plane structure, an arc-shaped hole, a lifting lug structure and a first mounting hole;
the pressing plate is a common steel plate with the thickness not less than 3mm and subjected to surface treatment, and the width of the pressing plate can be adapted according to the width of the steel plate spring;
the first plane structure is fixedly connected to the front side and the rear side of the pressing plate and vertically faces downwards at 90 degrees;
the arc-shaped hole is formed in the first plane structure, has the diameter of 60mm and is used for providing a connecting part for welding the support piece on the rear axle pipe;
the lifting lug structure is fixedly connected to the left end of the first plane structure at the front side, symmetrically and fixedly connected to the left end of the first plane structure at the rear side relative to the pressing plate, and used for mounting a rear axle adjusting pull rod;
and the mounting hole is formed in the pressing plate and used for mounting the central bolt of the steel plate spring.
9. The integrated rear suspension support positioning structure for electric vehicle of claim 8, wherein: the lifting lug structure comprises a plane structure II, a fixing hole I and a plane structure III;
the second planar structure is fixedly connected to the left end of the first planar structure, and the second planar structure is bent inwards by 60 degrees by taking the left end face of the first planar structure as an end point;
the third planar structure is fixedly connected to the left end of the second planar structure, and the third planar structure is outwards bent by 60 degrees by taking the left end face of the second planar structure as an end point;
and the first fixing hole is formed in the third plane structure and used for fixing the rear axle adjusting pull rod ball head.
10. The integrated rear suspension support positioning structure for the electric vehicle as claimed in claim 1, wherein: the threaded rod is provided with two thread directions, the thread direction on the threaded rod at the left end of the limiting block is clockwise arranged, and the thread direction on the threaded rod at the right end of the limiting block is anticlockwise arranged.
CN202011370365.5A 2020-11-24 2020-11-30 Integral rear suspension supporting and positioning structure of electric vehicle Pending CN112428749A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/131172 WO2022109786A1 (en) 2020-11-24 2020-11-24 Integrated rear suspension support and positioning structure for electric vehicle
CNPCT/CN2020/131172 2020-11-24

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CN112428749A true CN112428749A (en) 2021-03-02

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WO (1) WO2022109786A1 (en)

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Application publication date: 20210302