CN112045618A - Automobile rear axle support - Google Patents
Automobile rear axle support Download PDFInfo
- Publication number
- CN112045618A CN112045618A CN202010846606.2A CN202010846606A CN112045618A CN 112045618 A CN112045618 A CN 112045618A CN 202010846606 A CN202010846606 A CN 202010846606A CN 112045618 A CN112045618 A CN 112045618A
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- China
- Prior art keywords
- arm
- rear axle
- cross arm
- rod
- support
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/026—Springs wound- or coil-like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to the technical field of automobile manufacturing, and discloses an automobile rear axle support, which comprises a cross arm and a longitudinal arm, wherein the longitudinal arm is perpendicular to the cross arm, the cross arm is hollow, openings are formed in two ends of the cross arm, extension arms are inserted into the openings in the two ends of the cross arm, mounting parts for connecting a rear axle are arranged on the longitudinal arm and the two extension arms, and an adjusting mechanism for adjusting the extension length of the extension arms is arranged in the cross arm. The bottom of the cross arm is connected with a supporting seat through a buffer mechanism, and a lifting mechanism for adjusting the height of the cross arm is arranged on the supporting seat. The automobile rear axle support provided by the invention replaces the traditional adjusting mode of the extension arm extending out of the cross arm, and the adjusting mechanism arranged in the cross arm can be used for quickly adjusting the extending length of the extension arm in the cross arm, so that the batch assembly efficiency of the support on the automobile rear axle is improved.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to an automobile rear axle support.
Background
The rear axle is a rear drive axle component of the vehicle power transmission. For a front-driven vehicle, the rear axle mainly plays a bearing role, and for a rear-driven vehicle, the rear axle plays the roles of driving, decelerating and differentiating besides the bearing role.
The common rear axle assembly has larger self weight and is very inconvenient to assemble, and a rear axle support tool is mostly utilized during assembly. The existing rear axle bracket mainly comprises a cross arm, a longitudinal arm and two extension arms, wherein the longitudinal arm is perpendicular to the cross arm, and the two extension arms are inserted at two ends of the cross arm. And the extension and retraction of the extension arm in the cross arm are mostly adjusted through bolts. However, when the assembly operation is performed in batches, the adjustment method is time-consuming, labor-consuming and quite inconvenient.
Disclosure of Invention
The invention provides an automobile rear axle support tool, aiming at solving the technical problem that the extension arm is inconvenient to adjust in the extension length of a cross arm when the rear axle support tool is assembled in the prior art.
The invention is realized by adopting the following technical scheme: the automobile rear axle support comprises a cross arm and a longitudinal arm perpendicular to the cross arm, wherein the cross arm is hollow and is provided with openings at two ends, extension arms are inserted into the openings at two ends of the cross arm, mounting pieces for connecting a rear axle are arranged on the longitudinal arm and the two extension arms, and an adjusting mechanism for adjusting the extension length of the extension arms is arranged in the cross arm; the bottom of the cross arm is connected with a supporting seat through a buffer mechanism, and a lifting mechanism for adjusting the height of the cross arm is arranged on the supporting seat;
the adjusting mechanism comprises two shaft seats which are oppositely arranged in the cross arm, bearings are arranged in the two shaft seats, sleeves which are perpendicular to the longitudinal arm are respectively fixed on the inner rings of the two bearings, screw rods are inserted into the opposite ends of the two sleeves in a threaded manner, a limiting block which is in sliding fit with the inner wall of the cross arm is fixed at the other end of each screw rod, and one end, far away from the corresponding screw rod, of each limiting block is fixedly connected with the end part, extending into the cross arm, of the corresponding extension arm;
one end of the rotating rod extends into the cross arm and is fixedly provided with a second bevel gear meshed with the first bevel gear;
a fixed sleeve sleeved outside the rotating rod is fixed on the cross arm, external threads are arranged on the outer wall of the rotating rod close to one side of the fixed sleeve, and a movable sleeve matched with the external threads is sleeved on the rotating rod;
wherein, through driving the movable sleeve and the external screw thread to interact, the movable sleeve extrudes the fixed sleeve.
As a further improvement of the above scheme, a pressing block is arranged on one side of the fixed sleeve facing the movable sleeve, and a pressing groove in interference fit with the pressing block is formed on one side of the movable sleeve facing the fixed sleeve.
As a further improvement of the scheme, a rotating handle is fixed at the other end of the rotating rod.
As a further improvement of the above scheme, the buffer mechanism comprises a support plate, two support rods and a buffer rod piece, wherein the support plate is hollow; the buffer rod piece is accommodated in the support plate; one end of each of the two support rods is fixedly connected with the bottom of the cross arm, the other end of each of the two support rods extends into the support plate and is vertically fixed with the two ends of the buffer rod piece, the two ends of the buffer rod piece are respectively fixed with a first sliding block in sliding fit with the inner wall of the support plate, and the two first sliding blocks are connected with the corresponding inner wall of the support plate through a first spring.
As a further improvement of the above scheme, the buffer rod piece comprises a plug groove and two connecting rods which are respectively inserted into two ends of the plug groove in a sliding manner, sliding rods are fixed at the separated ends of the two connecting rods, and the other end of each sliding rod is fixedly connected with the corresponding first sliding block; and pistons matched with the plug grooves are fixed at the opposite ends of the two connecting rods, and oil liquid is contained in the plug grooves between the two pistons.
As a further improvement of the above scheme, the supporting plate is provided with a rod hole for the supporting rod to pass through, and the aperture of the rod hole is larger than the rod diameter of the supporting rod.
As a further improvement of the above solution, the lifting mechanism includes a hydraulic cylinder and two telescopic columns for connecting the support plate and the support seat.
As a further improvement of the scheme, the bottom of the supporting seat is provided with a universal wheel.
As a further improvement of the scheme, each universal wheel is connected with the supporting seat through a damping assembly, each damping assembly comprises a sliding groove with a downward groove opening, a second sliding block is arranged inside the sliding groove in a sliding mode, the top of the second sliding block is connected with the groove wall of the sliding groove through a second spring, and the bottom of the second sliding block is connected with the corresponding universal wheel through a fixing rod.
As a further improvement of the scheme, a limiting groove in sliding connection with the limiting block is formed in the inner wall of the cross arm.
The invention has the beneficial effects that:
the automobile rear axle support provided by the invention replaces the traditional adjusting mode of the extension arm extending out of the cross arm, and the adjusting mechanism arranged in the cross arm can be used for quickly adjusting the extending length of the extension arm in the cross arm, so that the batch assembly efficiency of the support on the automobile rear axle is improved.
The automobile rear axle support tool provided by the invention has the advantages that the movable sleeve extrudes the fixed sleeve through the screw action between the movable sleeve and the rotating rod, so that the rotating rod cannot rotate, and the extrusion contact area between the fixed sleeve and the movable sleeve is increased through the interference fit between the pressing block on the fixed sleeve and the pressing groove on the movable sleeve, so that the extension arm is kept stable after extending out.
The automobile rear axle support tool can reduce the influence of horizontal vibration on the support tool in the assembling process through the buffer mechanism, and ensures the smooth operation of the assembling process.
Drawings
Fig. 1 is a schematic cross-sectional structural view of an automobile rear axle carrier provided in embodiment 1 of the present invention;
FIG. 2 is a schematic top view of the cross arm and the trailing arm of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is a schematic cross-sectional view of the interior of the plug groove of FIG. 1;
fig. 5 is a schematic cross-sectional structure view of an automobile rear axle bracket according to embodiment 2 of the present invention;
fig. 6 is an enlarged schematic view of the structure at B in fig. 5.
Description of the main symbols:
1. a cross arm; 2. a trailing arm; 3. an extension arm; 4. a mounting member; 5. a shaft seat; 6. a sleeve; 7. a screw; 8. a limiting block; 9. a limiting groove; 10. a first bevel gear; 11. a rotating rod; 12. a second bevel gear; 13. a handle is rotated; 14. fixing a sleeve; 15. a movable sleeve; 16. an external thread; 17. pressing the block; 18. a pressing groove; 19. a support plate; 20. a support bar; 21. a supporting seat; 22. a hydraulic cylinder; 24. a telescopic column; 25. a universal wheel; 26. a first sliding block; 27. a first spring; 28. a slide bar; 29. plugging the groove; 30. a piston; 31. a connecting rod; 32. oil liquid; 33. a chute; 34. a second sliding block; 35. fixing the rod; 36. and a second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1 to 4, the rear axle carrier of the automobile includes a cross arm 1 and a longitudinal arm 2 perpendicular to the cross arm 1, the cross arm 1 is hollow and has openings at two ends, the openings at two ends of the cross arm 1 are inserted with extension arms 3, and the extension arms 3 can extend out of or retract into the openings of the cross arm 1. The trailing arm 2 and the two extension arms 3 are each provided with a mounting 4 for connecting a rear axle (not shown). The mounting member 4 can be selected according to the type of the rear axle, for example, the mounting member 4 can be a circular fixing member (not shown), and a circular groove (not shown) is formed in the center of the fixing member for mounting and fixing the rear axle with the cross beam being a groove-shaped cross beam. In another example, the mounting member 4 is a "concave" shaped member (not shown), and a fixing position (not shown) is provided at the bottom of the "concave" shaped member, which is suitable for mounting and fixing a rear axle in which the cross beam is a non-groove cross beam.
The cross arm 1 is internally provided with an adjusting mechanism for adjusting the extension length of the extension arm 3, so that the extension arm 3 can conveniently extend out of and retract into the cross arm 1. The bottom of the cross arm 1 is connected with a supporting seat 21 through a buffer mechanism, and a lifting mechanism for adjusting the height of the cross arm 1 is arranged on the supporting seat 21.
Adjustment mechanism is including setting up two axle beds 5 in xarm 1 relatively, all installs bearing (not shown) in two axle beds 5, and two bearing inner races are fixed with respectively with 2 looks vertically sleeves 6 of trailing arm, and two equal screw threads of 6 one ends that carry on the back mutually of sleeve are inserted and are equipped with screw rod 7, and the other end of every screw rod 7 is fixed with the stopper 8 with 1 inner wall sliding fit of xarm, can avoid screw rod 7 to follow sleeve 6 through stopper 8 and rotate stretching out or retracting sleeve 6's in-process. One end of each limiting block 8, which is far away from the corresponding screw 7, is fixedly connected with the end part of the corresponding extension arm 3 extending into the cross arm 1.
The sleeve 6 is driven to rotate, so that the sleeve and the screw 7 are in threaded interaction, the extension arm 3 extends out of or retracts into the opening of the cross arm 1 under the limiting action of the limiting block 8, and the length of the extension arm 3 extending out of the cross arm 1 is rapidly adjusted.
One end of each of the two sleeves 6 opposite to each other is provided with a first bevel gear 10, and a rotating rod 11 is vertically inserted into the cross arm 1 in a penetrating manner. In the present embodiment, the cross arm 1 is provided with a rotating hole (not shown) for the rotating rod 11 to pass through. One end of the rotating rod 11 extends into the cross arm 1 and is fixed with a second bevel gear 12 which is meshed with the first bevel gear 10. The rotating rod 11 is driven to rotate to drive the second bevel gear 12 to rotate, the second bevel gear 12 drives the first bevel gear 10 to rotate, and the first bevel gear 10 can drive the sleeve 6 to rotate.
A fixed sleeve 14 sleeved outside the rotating rod 11 is fixed on the cross arm 1, an external thread 16 is arranged on the outer wall of the rotating rod 11 close to one side of the fixed sleeve 14, and a movable sleeve 15 matched with the external thread 16 is sleeved on the rotating rod 11. In this embodiment, the inner wall of the movable sleeve 15 is provided with an internal thread (not shown) corresponding to the external thread 16. The movable sleeve 15 is pressed against the fixed sleeve 14 by driving the movable sleeve 15 to interact with the external thread 16.
When the movable sleeve 15 rotates to the position of the external thread 16, the internal thread interacts with the external thread 16, so that the movable sleeve 15 and the fixed sleeve 14 are mutually extruded, and the rotating rod 11 is forced to be incapable of rotating, so as to ensure the stability of the extension arm 3 after extending.
One side of the fixed sleeve 14 facing the movable sleeve 15 is provided with a pressing block 17, and one side of the movable sleeve 15 facing the fixed sleeve 14 is provided with a pressing groove 18 in interference fit with the pressing block 17. The pressing contact area between the fixed sleeve 14 and the movable sleeve 15 is increased through the interference fit between the pressing block 17 and the pressing groove 18, so that the extension arm 3 is kept stable in extension.
The other end of the rotating rod 11 is fixed with a rotating handle 13, and the rotating rod 11 can be conveniently rotated by people through the rotating handle 13.
The buffer mechanism comprises a support plate 19, two support rods 20 and buffer rod pieces, wherein the support plate 19 is hollow. The buffer rod is housed in the support plate 19. One end of each of the two support rods 20 is fixedly connected with the bottom of the cross arm 1, and the other end of each of the two support rods 20 extends into the support plate 19 and is vertically fixed with the two ends of the buffer rod member, so that the cross arm 1 can move synchronously with the buffer rod member through the support rods 20.
And two sliding blocks I26 which are in sliding fit with the inner wall of the supporting plate 19 are fixed at two ends of the buffer rod piece, and the two sliding blocks I26 are connected with the corresponding inner wall of the supporting plate 19 through springs I27. The vibration of the cross arm 1 in the horizontal direction can be reduced through the deformation of the first spring 27.
The buffer rod piece comprises a plug groove 29 and two connecting rods 31 which are respectively inserted at two ends of the plug groove 29 in a sliding manner, a sliding rod 28 is fixed at one end of each connecting rod 31, which is away from the other end, and the sliding rod 28 can slide on the inner wall of the supporting plate 19. The other end of each sliding rod 28 is fixedly connected with the corresponding sliding block I26. Pistons 30 matched with the plug grooves 29 are fixed at the opposite ends of the two connecting rods 31, and oil liquid 32 is contained in the plug grooves 29 between the two pistons 30. The piston 30 presses the oil 32 in the plug groove 29, so that the vibration of the cross arm 1 in the horizontal direction can be further reduced.
The supporting plate 19 is provided with a rod hole (not shown) for the supporting rod 20 to pass through, and the diameter of the rod hole is larger than that of the supporting rod 20, so that the supporting rod 20 can horizontally move in the rod hole.
The lifting mechanism comprises a hydraulic cylinder 22 and two telescopic columns 24 for connecting the support plate 19 and the support base 21. The hydraulic cylinder 22 is fixed on top of the support base 21, and two telescopic columns 24
The inner wall of the cross arm 1 is provided with a limit groove 9 which is connected with the limit block 8 in a sliding way. Are respectively positioned at two sides of the hydraulic cylinder 22, and the top and the bottom of the telescopic column 24 are respectively and fixedly connected with the bottom of the supporting plate 19 and the top of the supporting seat 21, so as to ensure the stability of the process of lifting or pulling down the supporting plate 19 by the piston rod of the hydraulic cylinder 22.
The universal wheel 25 is installed at the bottom of the supporting seat 21, and the supporting tool can be conveniently moved through the universal wheel 25.
When the device is used, firstly, according to the specification of the rear axle, the rotating rod 11 is driven to synchronously rotate through the rotating handle 13, the rotating rod 11 drives the bevel gear II 12 to rotate, and the bevel gear II 12 drives the bevel gear I10 to rotate, the bevel gear I10 can drive the sleeve 6 to rotate on the corresponding shaft seat 5, so that the sleeve and the corresponding screw 7 are in mutual threaded action, the two extension arms 3 respectively extend out of or retract into the corresponding openings of the cross arm 1 under the limiting action of the corresponding limiting blocks 8, and the length of the two extension arms 3 extending out of the cross arm 1 is rapidly adjusted to be matched with the specification of the rear axle. Then the movable sleeve 15 is moved to the external thread 16 of the rotating rod 11 to rotate, so that the movable sleeve 15 and the rotating rod 11 are in threaded fit with each other, the movable sleeve 15 and the fixed sleeve 14 are close to each other, and the pressing block 17 is pressed into the pressing groove 18, so that the rotating rod 11 cannot rotate, and the stability of the extension arm 3 after extending out is ensured. And then, selecting a mounting piece 4 matched with the model number of the rear axle, and respectively mounting the mounting piece on the transverse arm 1 and the longitudinal arm 2. And then the supporting tool is moved to the lower part of the corresponding rear axle through the universal wheel 25 at the bottom of the supporting seat 21, and the piston rod of the hydraulic cylinder 22 is controlled to lift the supporting plate 19, so that the transverse arm 1 and the longitudinal arm 2 are lifted to the proper height convenient for mounting the supporting tool, and the transverse arm 1 and the longitudinal arm 2 are respectively fixed on the corresponding mounting positions on the rear axle through the mounting part 4, so that the operation is simple and convenient.
When the support device is vibrated from the horizontal direction, the support rod 20 can drive the slide rod 28 in the support plate 19 to slide in the support plate, one end of the slide rod 28 can compress the spring I27 through the slide block I26, or compress the oil liquid 32 in the plug groove 29 through the connecting rod 31, so that the vibration from the horizontal direction to the support device is reduced, and the stability of the rear axle assembling process is ensured.
Example 2
Referring to fig. 5 and fig. 6, this embodiment 2 is a modified version of embodiment 1. Each universal wheel 25 is connected with the supporting seat 21 through a damping assembly, the damping assembly comprises a sliding groove 33 with a downward notch, a second sliding block 34 is arranged inside the sliding groove 33 in a sliding mode, the top of the second sliding block 34 is connected with the groove wall of the sliding groove 33 through a second spring 36, and the bottom of the second sliding block 34 is connected with the corresponding universal wheel 25 through a fixing rod 35.
When the bracket is vibrated in the vertical direction, the second sliding block 34 slides in the sliding groove 33 under the action of vibration force, and the second spring 36 is compressed to be elastically deformed so as to reduce vibration, so that the stability of the rear axle assembly process is further ensured.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements 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 automobile rear axle support is characterized by comprising a transverse arm and a longitudinal arm perpendicular to the transverse arm, wherein the transverse arm is hollow and is provided with openings at two ends, extension arms are inserted into the openings at two ends of the transverse arm, mounting pieces for connecting a rear axle are arranged on the longitudinal arm and the two extension arms, and an adjusting mechanism for adjusting the extension length of the extension arms is arranged in the transverse arm; the bottom of the cross arm is connected with a supporting seat through a buffer mechanism, and a lifting mechanism for adjusting the height of the cross arm is arranged on the supporting seat;
the adjusting mechanism comprises two shaft seats which are oppositely arranged in the cross arm, bearings are arranged in the two shaft seats, sleeves which are perpendicular to the longitudinal arm are respectively fixed on the inner rings of the two bearings, screw rods are inserted into the opposite ends of the two sleeves in a threaded manner, a limiting block which is in sliding fit with the inner wall of the cross arm is fixed at the other end of each screw rod, and one end, far away from the corresponding screw rod, of each limiting block is fixedly connected with the end part, extending into the cross arm, of the corresponding extension arm;
one end of the rotating rod extends into the cross arm and is fixedly provided with a second bevel gear meshed with the first bevel gear;
a fixed sleeve sleeved outside the rotating rod is fixed on the cross arm, external threads are arranged on the outer wall of the rotating rod close to one side of the fixed sleeve, and a movable sleeve matched with the external threads is sleeved on the rotating rod;
wherein, through driving the movable sleeve and the external screw thread to interact, the movable sleeve extrudes the fixed sleeve.
2. The vehicle rear axle support as claimed in claim 1, wherein a pressing block is disposed on a side of the fixed sleeve facing the movable sleeve, and a pressing groove for interference fit with the pressing block is disposed on a side of the movable sleeve facing the fixed sleeve.
3. The vehicle rear axle carrier as recited in claim 1, wherein a stem is fixed to the other end of said rotating rod.
4. The automobile rear axle carrier as recited in claim 1, wherein said buffer mechanism includes a support plate, two support rods and a buffer rod member, said support plate being hollow inside; the buffer rod piece is accommodated in the support plate; one end of each of the two support rods is fixedly connected with the bottom of the cross arm, the other end of each of the two support rods extends into the support plate and is vertically fixed with the two ends of the buffer rod piece, the two ends of the buffer rod piece are respectively fixed with a first sliding block in sliding fit with the inner wall of the support plate, and the two first sliding blocks are connected with the corresponding inner wall of the support plate through a first spring.
5. The automobile rear axle support according to claim 4, wherein the buffer rod member comprises a plug groove and two connecting rods which are respectively inserted into two ends of the plug groove in a sliding manner, a sliding rod is fixed at one end of each of the two connecting rods which is away from each other, and the other end of each sliding rod is fixedly connected with the corresponding sliding block I; and pistons matched with the plug grooves are fixed at the opposite ends of the two connecting rods, and oil liquid is contained in the plug grooves between the two pistons.
6. The automobile rear axle support as claimed in claim 5, wherein the support plate is provided with a rod hole for the support rod to pass through, and the diameter of the rod hole is larger than that of the support rod.
7. The vehicle rear axle carrier as recited in claim 4, wherein said lifting mechanism comprises a hydraulic cylinder and two telescopic columns for connecting said support plate to said support base.
8. The vehicle rear axle carrier as recited in claim 1, wherein universal wheels are mounted to the bottom of said support base.
9. The automobile rear axle support as claimed in claim 8, wherein each universal wheel is connected with the support seat through a shock absorption assembly, the shock absorption assembly comprises a sliding groove with a downward notch, a second sliding block is slidably arranged inside the sliding groove, the top of the second sliding block is connected with the groove wall of the sliding groove through a second spring, and the bottom of the second sliding block is connected with the corresponding universal wheel through a fixing rod.
10. The automobile rear axle bracket as recited in claim 1, wherein a limiting groove slidably connected to said limiting block is formed on an inner wall of said cross arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846606.2A CN112045618A (en) | 2020-08-21 | 2020-08-21 | Automobile rear axle support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846606.2A CN112045618A (en) | 2020-08-21 | 2020-08-21 | Automobile rear axle support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112045618A true CN112045618A (en) | 2020-12-08 |
Family
ID=73600608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010846606.2A Withdrawn CN112045618A (en) | 2020-08-21 | 2020-08-21 | Automobile rear axle support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112045618A (en) |
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| EP3218148A1 (en) * | 2014-11-13 | 2017-09-20 | PSA Automobiles SA | Machine for mounting a vehicle rear axle, comprising a system for anchoring the body shell and a means for lifting each suspension arm |
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| CN209667259U (en) * | 2019-02-21 | 2019-11-22 | 一汽-大众汽车有限公司 | A kind of automobile axle support tool |
| CN110549307A (en) * | 2019-08-29 | 2019-12-10 | 南京凯盟仕电子科技有限公司 | Machining operation table for fixing bearing speed measurement sensor and fixing method |
| CN210551003U (en) * | 2019-07-30 | 2020-05-19 | 黄骅渤海机械制造有限公司 | High security C type table |
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2020
- 2020-08-21 CN CN202010846606.2A patent/CN112045618A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3218148A1 (en) * | 2014-11-13 | 2017-09-20 | PSA Automobiles SA | Machine for mounting a vehicle rear axle, comprising a system for anchoring the body shell and a means for lifting each suspension arm |
| CN208930185U (en) * | 2018-08-06 | 2019-06-04 | 天津滨海新区大港顺力汽车零部件厂 | A kind of detection workbench for auto parts and components |
| CN209667259U (en) * | 2019-02-21 | 2019-11-22 | 一汽-大众汽车有限公司 | A kind of automobile axle support tool |
| CN110142730A (en) * | 2019-06-20 | 2019-08-20 | 徐州玉伟机械设备有限公司 | Adjusting bracket is used in a kind of production and processing of automobile axle |
| CN210551003U (en) * | 2019-07-30 | 2020-05-19 | 黄骅渤海机械制造有限公司 | High security C type table |
| CN110549307A (en) * | 2019-08-29 | 2019-12-10 | 南京凯盟仕电子科技有限公司 | Machining operation table for fixing bearing speed measurement sensor and fixing method |
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Application publication date: 20201208 |