CN208342729U - A kind of efficient rear axle beam holds press-loading device - Google Patents
A kind of efficient rear axle beam holds press-loading device Download PDFInfo
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- CN208342729U CN208342729U CN201820606938.1U CN201820606938U CN208342729U CN 208342729 U CN208342729 U CN 208342729U CN 201820606938 U CN201820606938 U CN 201820606938U CN 208342729 U CN208342729 U CN 208342729U
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Abstract
The utility model discloses a kind of efficient rear axle beams to hold press-loading device, including workbench and rear axle mold, and rear axle mold includes several bearing blocks, is equipped in bearing block and holds to last item, the two sides at least side of each bearing block axial direction is equipped with pressure oil cylinder；The oil cylinder that presses includes oil cylinder shell and piston rod, the one end of piston rod outwardly is equipped with the pressure block being bonded with bearing side to be pressed, the axis held to last item is parallel with plane in the work of workbench, workbench is equipped with limit assembly and positions the positioning component of rear axle mold, pressure oil cylinder is fixed on limit assembly, and pressure block can opposing pistons rod axis screw.The benefit of the utility model is that the pressure that pressing bearing is become from longitudinal punch process in plane is processed, and processing space becomes larger, and positioning process is convenient, improves the working efficiency of pressing bearing；Pressure block is pressed into rotation relative to bearing block and holds to last item, prevents the stress of bearing surface to be pressed from concentrating, and improves the installation strength held to last item, and positioning requirements are low.
Description
Technical field
The utility model relates to bearing press mounting technical fields more particularly to a kind of efficient rear axle beam to hold press-loading device.
Background technique
Rear axle just refers to the rear drive shaft component part of vehicle power transmitting, and for supporting wheel and connection rear car
The device of wheel.It needs installation axle to hold in rear axle, punching press is usually carried out by vertical punching machine.Usual rear axle is axially symmetric structure,
The bearing block that bearing is installed on rear axle is typically provided with four, and two of them bearing seat is on same axis, another two bearing block
It also is located on same axis, and the axis of two groups of bearing blocks is parallel, due to being easy to be installed in punching machine pressing bearing by bearing
Dislocation, influence the accurate installation of rear axle bearing, when serious even will cause rear axle fracture or distortion, there is security risk；By
Keep the bearing installation of rear axle two sides not coaxial in the interference of rear axle self structure and punching machine structure, causes rear axle difficult to install, hold
Deleterious effect easily is caused to the runnability of automobile.
Application No. is CN201510482095X in Chinese patent literature, publication date is on November 25th, 2015, disclosed name
For the patent of invention of " a kind of small vehicle rear axle differential bearing press-fitting device ", this application discloses after a kind of small vehicle
Axle differential bearing press-loading apparatus, including bracket, rack upper surface are fixed with horizontally disposed support plate, and support plate upper surface is left
The lower end of vertical and arranged in parallel column one, column two is fixed at right both ends respectively, column one, column two from bottom to up according to
Secondary to be slidably connected with differential mounting plate, pushing board ends, upper end is fixedly connected with fixed air cylinder fixed plate, and air cylinder fixed plate is solid
Surely the cylinder for thering is piston rod to stretch out downward, the fixation device of cylinder piston rod lower section fixed lower platen and differential mechanism upside bearing,
The upper and lower perforative circular hole two of installation differential mechanism is provided on differential mounting plate, support plate is fixed with side pressure under installation differential mechanism
Entering the bearing fixed seat of bearing, structure is simple, and it is at low cost, improve the working efficiency of differential bearing press fitting.Its shortcoming
It is, bearing press mounting fills low efficiency, and the fixed and positioned more inconvenience of rear axle differential needs high accuracy positioning that could complete to press
Dress, otherwise will cause the dislocation of bearing press mounting during press fitting；The direct active force of lower platen holds on bearing during press fitting
It easily causes the outer ring of bearing to be broken, reduces the service life of bearing.
Therefore, design that a kind of installation effectiveness is high, small to the bearing stress rear axle beam low with to positioning requirements holds press-loading device
It is just necessary.
Utility model content
The utility model will overcome existing rear axle beam to hold the press fitting low efficiency of press-loading device, and it is high not to be pressed positioning requirements
Foot provides a kind of efficient rear axle beam and holds press-loading device, can quick press mounting rear axle bearing and low to the positioning requirements of rear axle,
Improve the efficiency of rear axle bearing press mounting.
To achieve the goals above, the utility model adopts the following technical solution.
A kind of efficient rear axle beam holds press-loading device, including workbench and rear axle mold, and rear axle mold includes several axis
Seat is held, is equipped in bearing block and is held to last item, the two sides at least side of each bearing block axial direction is equipped with pressure oil cylinder；Press oil cylinder
Including oil cylinder shell and piston rod, piston rod with to last item hold coaxial line；The one end of piston rod outwardly, which is equipped with, holds side with to last item
Face paste close pressure block, the axis held to last item is parallel with plane in the work of workbench, workbench be equipped with limit assembly and
The positioning component of rear axle mold is positioned, pressure oil cylinder is fixed on limit assembly, and pressure block can opposing pistons rod axis spiral fortune
It is dynamic.
Planar movable stopper rod is held in the work with workbench to last item and holds coaxial line to last item, is become from longitudinal punch process
Pressure processing in plane, processing space become larger, and positioning process is convenient, improves the working efficiency of pressing bearing；Press block phase
Bearing block is pressed into rotation and is held to last item, prevents the stress of bearing surface to be pressed from concentrating, it is strong to improve the installation held to last item
Degree, positioning requirements are low.
Preferably, pressure block includes relatively-stationary connecting pin and pressure end, pressure end is pasted with the side held to last item
It closes, limit assembly includes the limit hole with piston rod clearance fit, and connecting pin is coated on the outside of piston rod, is set on the inside of connecting pin
There is feed screw line, the close outside of piston rod is equipped with the limit salient point of cooperation feed screw line.Pressure block is connected through end
Feed screw line and piston rod limit salient point cooperate, pressure block fitting when last item is held, due to the limit held to last item
Effect, when piston rod persistently presses, feed screw line and limit salient point cooperation can make pressure block is opposite to hold side rotation to last item
Turn side to be pressed into, prevent the stress of bearing surface to be pressed from concentrating, improve the installation strength held to last item, positioning requirements are low.
Preferably, limit assembly includes the fixed block being vertically fixed on workbench, the fixed block of different limit assemblies
The plane at place is parallel to each other, and fixed block is fixed on plane in the work of work item by attachment screw, and limit hole, which is located at, to be fixed
In block, the axis of limit hole and the axis collinear held to last item.Pressure oil cylinder is fixed on the positioning block, and is applied by locating piece raising
The coaxial degree of compressing cylinder improves processing efficiency.
Preferably, positioning component is located at the lower section of bearing block, positioning component includes link block, on the upside of link block
Support rod and locating piece positioned at post upper, the upper side of locating piece be cylindrical surface and the axis on the cylindrical surface with to last item
The axis that holds is parallel, and bearing seat is in the upper side of locating piece.Support rod enhances the bonding strength of link block, prevents link block
It deflects.The upside that bearing block is placed on locating piece can complete to be pre-positioned, easy to process.
Preferably, being equipped with lubrication long hole inside the connecting pin of pressure block.Profit is passed through in pressure block by lubrication long hole
Lubricating oil completes the lubrication of ball, while the ventilation that can be completed inside pressure block by lubricating long hole is radiated, and pressure block is improved
It is pressed precision.
Preferably, the bearing block on rear axle mold is four, the bearing coaxial line inside two of them bearing block, in addition
Bearing inside two bearing blocks also coaxial line is equipped with No.1 between two bearing blocks of internal bearings coaxial line and presses oil cylinder,
No.1 presses oil cylinder as double rod hydraulic cylinder, and No.1 pressure oil cylinder is fixed on two bearing block opposite sides of internal bearings coaxial line
Two limit assemblies on.Holding to last item for two coaxial lines can be synchronously completed by the bidirectional piston bar of No.1 pressure oil cylinder
Installation, reduce the positioning number of bearing press mounting, be conducive to improve the installation accuracy held to last item, prevent two coaxial lines to
Last item holds installation and deviation occurs.
Preferably, the limit assembly of the opposite side of two bearing blocks of internal bearings coaxial line is equipped with No. two pressures
Oil cylinder, No. two pressure oil cylinders are single pole hydraulic cylinder, and the piston rod of No. two pressure oil cylinders is close to the side of bearing block.It is undressed
Before, the piston rod of No. two pressure oil cylinders is shunk, and occupied space is few, and the pick-and-place of rear axle mold, has been conducive to when facilitating pressing bearing
At the installation of pressing bearing；The piston rod of No. two pressure oil cylinders and No.1 pressure oil cylinder cooperates, and rear axle mold can be made same
When complete clamp and press fitting, improve processing efficiency.
Preferably, pressure block is equipped with transition chamfering close to the side held to last item.The transition chamfering of pressure block is conducive to
The position for correcting bearing block and the block that presses, improves the accuracy of press fitting.
Preferably, downside one end of workbench can be rotated to be equipped with a support plate for being vertically fixed on level ground, work
The downside for making the platform other end opposite with support plate is equipped with height adjustment device.Workbench one is adjusted by height adjustment device
The height of side makes workbench become an inclined slope surface, and facilitate rear axle mold lifts positioning, is conducive to complete rear axle upper bearing (metal)
Press fitting.
The utility model has the beneficial effect that
1, planar movable stopper rod is held in the work with workbench to last item and hold coaxial line to last item, become by longitudinal punch process
For the pressure processing in plane, processing space becomes larger, and positioning process is convenient, improves the working efficiency of pressing bearing；
2, positioning component completes the pre-determined bit of rear axle mold, completes rear axle mold by pressure oil cylinder and pressure block when processing
It is fixed；
3, the limit salient point for the feed screw line and limited block that pressure block is connected through end cooperates, and can make the block phase that presses
Bearing block is pressed into rotation and is held to last item, prevents the stress of bearing surface to be pressed from concentrating, it is strong to improve the installation held to last item
Degree, location requirement are low；
4, multiple synchronous processings held to last item can be completed by multiple combinations for compressing Power Component, to improve axis
The efficiency of pressure-bearing dress.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
The utility model presses the schematic diagram of block and piston rod when Fig. 2 is for pressing bearing.
The schematic diagram of the utility model pressure block and piston rod when Fig. 3 is pressing bearing.
The schematic diagram of members when Fig. 4 is the utility model processing.
In figure: 1 rear axle mold of workbench, 2 bearing block 21 holds 211 pressure oil cylinder, 3 No.1 pressure oil cylinder 301 to last item
No. two 302 oil cylinder shell of pressure oil cylinder, 31 piston rod 32 limit pressure 33 connecting pin of block, the 331 feed screw lines of salient points 321
3311 balls 3312 lubricate 3313 pressure end of long hole, 332 limit assembly, 4 fixed block 41 and connect 411 positioning component 5 of ear
Link block 51 installs 511 support rod of elongated slot, 52 locating piece, 53 Limit screw, 54 limited block, 6 support plate, 7 height adjustment dress
Set 8.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments.
In Fig. 1, Fig. 2 and Fig. 3, a kind of efficient rear axle beam holds press-loading device, including workbench 1 and rear axle mold 2, rear axle
Mold 2 includes several bearing blocks 21, and in Fig. 4, the bearing block 21 on rear axle mold 2 is four, in two of them bearing block 21
The bearing coaxial line in portion, bearing inside other two bearing block 21 also coaxial line are equipped in bearing block 21 and hold 211 to last item,
The axial two sides at least side of each bearing block 21 is equipped with pressure oil cylinder 3；The oil cylinder 3 that presses includes oil cylinder shell 31 and piston rod
32, piston rod 32 with to last item hold 211 coaxial lines；The one end of piston rod 32 outwardly, which is equipped with, holds what 211 sides were bonded with to last item
Press block 33, and pressure block 33 includes relatively-stationary connecting pin 331 and pressure end 332, and the lateral surface of pressure block 33 is multi-diameter shaft
Shape, the diameter of pressure end 332 are greater than the outer diameter of connecting pin 331, reduce pressure under the premise of guaranteeing to press 33 ability to work of block
The material utilization amount of block 33 reduces cost.Pressure end 332 is bonded with the side for holding 211 to last item, to last item hold 211 axis with
Plane is parallel in the work of workbench 1, and workbench 1 is equipped with limit assembly 4 and positions the positioning component 5 of rear axle mold 2, pressure
Oil cylinder 3 is fixed on limit assembly 4, pressure block 33 can the 32 axis screw of opposing pistons bar, limit assembly 4 includes and piston
The limit hole of 32 clearance fit of bar, connecting pin 331 are coated on 32 outside of piston rod, and the inside of connecting pin 331 is equipped with feed screw
Line 3311, in the evenly spaced distribution in inside of connecting pin 331, the close outside of piston rod 32 is equipped with matches feed screw line 3311
Close the limit salient point 321 of feed screw line 3311.The inner sidewall and 32 clearance fit of piston rod of linkage section, feed screw line 3311
Inside is equipped with the ball 3312 of the cross section inscribe of several diameters and feed screw line 3311 in the side of limit salient point 321.Fig. 2
In, the length of feed screw line 3311 is three spiral lamination distances, and ball 3312 is located at the side of limit salient point 321.Feed spiral shell
The right side annular groove of lira 3311 had both been used as feed slot or had been used as escape.Pressing block 33 can 32 axis spiral of opposing pistons bar fortune
It is dynamic, so that the pressure rotatable pressure of block 33 of piston rod 32 be made to hold 211 to last item.Profit is equipped with inside the connecting pin 331 of pressure block 33
Sliding long hole 3313.Pressure block 33 is equipped with transition chamfering close to the side for holding 211 to last item.Limit assembly 4 includes being vertically fixed on
Fixed block 41 on workbench 1, fixed block 41 are rectangular parallelepiped structure, and the upside of fixed block 41 is equipped with the transition chamfering of resistance to stress,
The downside of fixed block 41 extends to form two connection ears 411 toward two sides, the plane where the fixed block 41 of different limit assemblies 4
It is parallel to each other, fixed block 41 is fixed on plane in the work of work item by attachment screw, and specially attachment screw is fixedly connected
For ear 411 to fixed fixed block 41, structure is reliable.Fixed block 41 is vertical with plane in the work of workbench 1, and limit hole is located at
In fixed block 41, the axis of limit hole and the axis collinear that 211 are held to last item.Fixed block 41 is located at the two sides of positioning component 5, position
Two pieces of fixed blocks 41 in 5 two sides of positioning component are connected with two Limit screws 54 being parallel to each other.The two of Limit screw 54
End is equipped with screw thread to make Limit screw 54 be connected through a screw thread with fixed block 41.
Positioning component 5 is located at the lower section of bearing block 21, and positioning component 5 includes link block 51, positioned at 51 upside of link block
Support rod 52 and locating piece 53 positioned at 52 upper end of support rod, the upper side of locating piece 53 are cylindrical surface and the axis on the cylindrical surface
Parallel with the axis for holding 211 to last item, bearing block 21 is located at the upper side of locating piece 53.Support rod 52 is located at link block 51
Center, the two sides of link block 51 are equipped with installation elongated slot 511, and the position of the corresponding installation elongated slot 511 of workbench 1 is equipped with corresponding
Mounting hole.The fine tuning of 51 installation site of link block can be completed by installing elongated slot 511, improves the operation is stable of pressing bearing
Property.No.1 pressure oil cylinder 33013 is equipped between two bearing blocks 21 of internal bearings coaxial line, No.1 pressure oil cylinder 33013 is
Double rod hydraulic cylinder, No.1 pressure oil cylinder 33013 are fixed on two of two 21 opposite sides of bearing block of internal bearings coaxial line
On limit assembly 4.The limit assembly 4 of the opposite side of two bearing blocks 21 of internal bearings coaxial line is equipped with No. two pressure oil
Cylinder 33023, No. two pressure oil cylinders 33023 are single pole hydraulic cylinder, and the piston rod 32 of No. two pressure oil cylinders 33023 is close to bearing block
21 side.Fig. 4 is the schematic diagram of the members of present application, has concealed the shell of pressure oil cylinder 3, in Fig. 4, rear axle mold
It is located at the opposite two limit assemblies 4 setting limited block 6 for two bearing blocks 21 being closer on same axis, another two on 2
No. two hydraulic cylinders are arranged in two opposite limit assemblies 4 positioned at farther away two bearing blocks 21 of same axial line distance.Fig. 4
In, downside one end of workbench 1 can be rotated to be equipped with a support plate 7 for being vertically fixed on level ground, workbench 1 and support plate
The downside of 7 opposite other ends is equipped with height adjustment device 8.Height adjustment device 8 includes an adjusting hydraulic cylinder, is adjusted hydraulic
The shell of cylinder is fixed on ground, adjusts the upward hinged one piece of sliding block in one end of the piston rod of hydraulic cylinder, sliding block can be in workbench 1
7 direction of lower vertical support plate sliding, so as to adjust the height of 1 side of workbench by adjusting hydraulic cylinder, in convenience
Blanking.Workbench 1 and support plate 7 are connected by hinge.
Locating piece 53 is finely tuned by installation elongated slot 511, makes the upper 21 identical and coaxial line of height of bearing block of locating piece 53,
Rear axle mold 2 is placed on the locating piece 53 of positioning component 5, the pre-determined bit of rear axle mold 2 is simple and convenient；After limited block 6 limits
The piston rod 32 of No. two pressure oil cylinders 33023 in one end where the bearing block 21 that 2 two, same axis of bridge mold is closer is not
It stretches out, it is easy for installation.As shown in Figures 2 and 3,211 will be held to last item to be put into 21 side of bearing block and touch with 21 virtual connection of bearing block,
Piston rod 32 is protruding, and the promotion pressure block 33 of piston rod 32 moves out, in limit salient point inside feed screw line 3311
321 side is equipped with the ball 3312 of the cross section inscribe of several diameters and feed screw line 3311, is completed by ball 3312
The limit of piston rod 32 and pressure block 33 on 32 axis of piston rod, while reducing to rub between pressure block 33 and piston rod 32 and being
Number improves pressure block 33 in the ability for being pressed into rotation pressure when last item holds 211；Pressure block 33 is pushed by piston rod 32
When, it is touched after last item holds 211 in pressure block 33, the block 33 that presses rotates side phase in the reaction force for holding 211 to last item below
To 32 spiral of piston rod bounce back, and piston rod 32 continue it is protruding, so pressure block 33 relatively 21 spiral of bearing block forward,
It is rotated by feed screw line 3311 and the limit cooperation of salient point 321, so that piston rod 32 can be completed with auger wait press
The installation of bearing 211.Pressure 33 spiral of block, which is pressed into, holds 211 to last item, reduces 32 axial stress of piston rod, the transition for the block 33 that presses
The position that chamfering enables pressure block 33 to reset to and hold 211 coaxial lines to last item reduces the precision of press fitting positioning needs, thus
Improve the efficiency of bearing press mounting.Pressure block 33 drives the screwfeed pressure for holding 211 to last item that can make to hold 211 sides to last item
Pressure suffered by each position is close, improves the press fitting efficiency of bearing and the service life of bearing, prevents the stress of bearing from concentrating
Conquassation with rear axle mold 2 deforms.Press oil cylinder 3 when processing and the block 33 that presses complete the fixation of rear axle mold 2, realize it is fixed and
It is carried out while processing, improves the efficiency of bearing press mounting；The lateral setting of processing platform and pressure oil cylinder 3 becomes end compression processing again
To process in transverse plane, the synchronous installation of multistation rear axle bearing is realized.
Claims (9)
1. a kind of efficient rear axle beam holds press-loading device, characterized in that including workbench and rear axle mold, if rear axle mold includes
Dry bearing block, interior be equipped with of bearing block are held to last item, and the two sides at least side of each bearing block axial direction is equipped with pressure oil cylinder；It applies
Compressing cylinder includes oil cylinder shell and piston rod, piston rod with hold coaxial line to last item；The one end of piston rod outwardly be equipped with wait press
The pressure block of bearing side fitting, the axis held to last item is parallel with plane in the work of workbench, and workbench is equipped with limit
The positioning component of component and positioning rear axle mold, pressure oil cylinder are fixed on limit assembly, and pressure block can opposing pistons rod axis
Screw.
2. a kind of efficient rear axle beam according to claim 1 holds press-loading device, characterized in that the pressure block includes phase
To fixed connecting pin and pressure end, pressure end is bonded with the side held to last item, and limit assembly includes matching with piston rod gap
The limit hole of conjunction, connecting pin are coated on the outside of piston rod, and the inside of connecting pin is equipped with feed screw line, the close outside of piston rod
Limit salient point equipped with cooperation feed screw line.
3. a kind of efficient rear axle beam according to claim 1 or 2 holds press-loading device, characterized in that the limit assembly
Including the fixed block being vertically fixed on workbench, the plane where the fixed block of different limit assemblies is parallel to each other, fixed block
Be fixed on plane in the work of work item by attachment screw, limit hole is located in fixed block, the axis of limit hole with to last item
The axis collinear held.
4. a kind of efficient rear axle beam according to claim 1 holds press-loading device, characterized in that the positioning component is located at
The lower section of bearing block, positioning component include link block, the support rod on the upside of link block and the positioning positioned at post upper
The upper side of block, locating piece is cylindrical surface and the axis on the cylindrical surface is parallel with the axis held to last item, and bearing seat is in fixed
The upper side of position block.
5. a kind of efficient rear axle beam according to claim 2 holds press-loading device, characterized in that the connection of the pressure block
End is internal to be equipped with lubrication long hole.
6. a kind of efficient rear axle beam according to claim 1 holds press-loading device, characterized in that on the rear axle mold
Bearing block is four, the bearing coaxial line inside two of them bearing block, the also coaxial line of the bearing inside other two bearing block,
Between two bearing blocks of internal bearings coaxial line be equipped with No.1 press oil cylinder, No.1 press oil cylinder be double rod hydraulic cylinder, one
On two limit assemblies of number pressure oil cylinder two bearing block opposite sides being fixed on internal bearings coaxial line.
7. a kind of efficient rear axle beam according to claim 6 holds press-loading device, characterized in that the internal bearings are coaxial
The limit assembly of the opposite side of two bearing blocks of line is equipped with No. two pressure oil cylinders, and No. two pressure oil cylinders are single pole hydraulic oil
Cylinder, the piston rod of No. two pressure oil cylinders is close to the side of bearing block.
8. a kind of efficient rear axle beam described according to claim 1 or 2 or 5 holds press-loading device, characterized in that the pressure block
Transition chamfering is equipped with close to the side held to last item.
9. a kind of efficient rear axle beam described according to claim 1 or 2 or 5 holds press-loading device, characterized in that the workbench
Downside one end can be rotated to be equipped with a support plate for being vertically fixed on level ground, another opposite with support plate of workbench
The downside at end is equipped with height adjustment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606938.1U CN208342729U (en) | 2018-04-25 | 2018-04-25 | A kind of efficient rear axle beam holds press-loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606938.1U CN208342729U (en) | 2018-04-25 | 2018-04-25 | A kind of efficient rear axle beam holds press-loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208342729U true CN208342729U (en) | 2019-01-08 |
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ID=64887331
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820606938.1U Active CN208342729U (en) | 2018-04-25 | 2018-04-25 | A kind of efficient rear axle beam holds press-loading device |
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| CN (1) | CN208342729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637646A (en) * | 2018-04-25 | 2018-10-12 | 杭州容大智造科技有限公司 | A kind of efficient rear axle beam holds press-loading device |
-
2018
- 2018-04-25 CN CN201820606938.1U patent/CN208342729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637646A (en) * | 2018-04-25 | 2018-10-12 | 杭州容大智造科技有限公司 | A kind of efficient rear axle beam holds press-loading device |
| CN108637646B (en) * | 2018-04-25 | 2020-03-24 | 杭州容大智造科技有限公司 | Efficient rear axle bearing pressure equipment |
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