CN110465796A - Rear axle shaft press-loading device and its press-loading apparatus - Google Patents
Rear axle shaft press-loading device and its press-loading apparatus Download PDFInfo
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- CN110465796A CN110465796A CN201910740456.4A CN201910740456A CN110465796A CN 110465796 A CN110465796 A CN 110465796A CN 201910740456 A CN201910740456 A CN 201910740456A CN 110465796 A CN110465796 A CN 110465796A
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- press
- indexable
- rear axle
- press fitting
- oil cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The present invention discloses a kind of rear axle shaft press-loading device and press-loading apparatus, the device includes mounting body, it is provided with semiaxis mounting portion to be pressed, and the multiple press fitting moving parts being arranged corresponding to bolt are provided in mounting body, the compressing member for compressing respective bolt is provided on each press fitting moving parts, compressing member has installment work position and press fitting operating position in the plane perpendicular to compaction direction；Press fitting driving part can drive press fitting moving parts to move along the compaction direction of bolt；Its rotation driving part drives press fitting moving parts rotation by rotation transmission part, so that compressing member switches between two operating positions.Using this structure, the press fitting of a car rear axle semi-axis can be disposably completed, thus greatly improve press fitting efficiency；It is pressed simultaneously using machine is unified, so that the press fitting situation of each bolt is substantially close, there is no the phenomenons that individual bolt press-fit effects are very poor, therefore also improve press fitting quality.
Description
Technical field
The present invention relates to technical field of vehicle, and in particular to a kind of rear axle shaft press-loading apparatus and uses the rear axle shaft
The rear axle shaft press-loading device of press-loading apparatus.
Background technique
Rear axle shaft is an important running part on vehicle transmission components, it receives the power from differential mechanism
Afterwards, power is transferred to left and right hub unit, drives wheel of the bus rotation.There are more bolts to pass through rear axle shaft on rear axle shaft
It is directly connected to automotive hub, plays load-bearing and intermal force, while also subject to moment of flexure and torsion as caused by Dynamic And Static Loads
Square, stress condition are complex.Therefore to guarantee automobile normal running, just have to ensure that the work of more bolts on rear axle shaft
Make stability, and the press fitting quality of the bolt is exactly an important influence factor.
Current existing press-fit approach is that artificial turning of work piece places bolt one by one, and then single cylinder is pressed, this press fitting
Mode is not only easy to appear press fitting defect under manually-operated precondition, but also it is very low to be pressed efficiency, when often will be very long
Between what a rear axle shaft could be pressed.Thus it is badly in need of a kind of press fitting at present to have higher success rate, press fitting more efficiently new pressure
Dress mode.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of rear axle shaft press-loading apparatus and uses above-mentioned rear axle shaft pressure
The rear axle shaft press-loading device of assembling device, efficiently accurately to carry out bolt press fitting.
The present invention provides a kind of rear axle shaft press-loading apparatus, for the press fitting of more bolts of car rear axle semi-axis, feature
It is, including mounting body, is provided with semiaxis mounting portion to be pressed, and be provided in the mounting body
The multiple press fitting moving parts being arranged corresponding to the bolt are provided on each press fitting moving parts and are used for
Compress the compressing member of the corresponding bolt, the compressing member have in the plane perpendicular to compaction direction installment work position and
It is pressed operating position；
It is pressed driving part, to drive the press fitting moving parts to move along the compaction direction of the bolt；
Rotation driving part and rotation transmission part, the rotation driving part drive institute by the rotation transmission part
Press fitting moving parts rotation is stated, so that the compressing member switches between two operating positions.
Using this structure, the press fitting of a car rear axle semi-axis can be disposably completed, and press mounting bolt quantity does not have
Limitation, thus greatly improve press fitting efficiency；It is pressed simultaneously using machine is unified, so that the press fitting situation of each bolt is substantially
Close, there is no the phenomenons that individual bolt press-fit effects are very poor, therefore also improve press fitting quality.
Optionally, the mounting body includes telescoping cylinder mounting bracket, and the press fitting driving part includes multiple is mounted on
Telescoping cylinder in the telescoping cylinder mounting bracket, each telescoping cylinder pass through telescoping cylinder connector and the corresponding pressure respectively
Fill moving parts connection.
Optionally, further include be disposed proximate on switch bracket close to switch, it is described to be mounted on institute close to switch bracket
It states in telescoping cylinder mounting bracket, the displacement close to the switch detection press fitting moving parts, and sends control signal to institute
Press fitting driving part and the rotation driving part are stated, and then controls the movement of the rear axle shaft press-loading apparatus.
Optionally, the mounting body includes substrate, and each press fitting moving parts includes splined shaft, the splined shaft
One end connected with the corresponding telescoping cylinder connector, the other end is provided with the compressing member；The splined shaft middle section is set
It is equipped with the first guide sleeve and the second guide sleeve, described first leads and be set between the splined shaft and the substrate, and described second leads
It is set between the splined shaft and the telescoping cylinder mounting bracket.
Optionally, the mounting body includes indexable oil cylinder mounting bracket, and the rotation driving part includes being mounted on institute
State the indexable oil cylinder in indexable oil cylinder mounting bracket, be provided with rack gear on the piston of the indexing oil cylinder, the rack gear with it is described
The input gear of rotation transmission part engages, to drive the press fitting moving parts rotation by the rotation transmission part.
Optionally, the indexable oil cylinder includes the indexable oil cylinder seat being fixedly connected with the indexable oil cylinder mounting bracket, two
A indexing oil cylinder set and two indexable cylinder flanges；Two indexable oil cylinder sets are separately mounted to the two of the indexable oil cylinder seat
End, and each indexable oil cylinder set outside is respectively arranged with the indexable cylinder flange, is arranged on the indexing cylinder flange
There is tubing interface；The both ends of the piston are plugged in the indexable oil cylinder set at both ends respectively, and turn respectively with accordingly described
Position cylinder flange forms working oil chamber；Wherein, the rack gear is located at the middle part of the piston, and passes through the indexable oil cylinder seat
Pass through openings are engaged with the input gear of the rotation transmission part.
Using this structure, it is disposed with rack gear on piston, while completing the linear motion of oil cylinder driving, moreover it is possible to play
The effect of forms of motion conversion；And oil cylinder bidirectional arrangements, the bidirectional-movement of piston can be realized without connector, so that structure
It greatly simplifies.
Optionally, the first seal of the indexable cylinder flange and the indexable oil cylinder inner room, is arranged in the indexing
In the inserting section of cylinder flange being adapted to the indexable oil cylinder set；Second sealing of the indexing oil cylinder set and the piston space
Part is arranged in the cooperation section of the piston being adapted to the indexable oil cylinder set.
Optionally, the indexable cylinder flange has from the protrusion of its ontology formation inwardly in the axial direction, correspondingly, institute
The end face for stating piston has the recess portion being adapted to the stopper protrusion；And it is configured that the recess portion and the protrusion offsets state
Under, there is preset distance between the end face of the piston and the ontology of the indexable cylinder flange.
Optionally, the center position of the indexable cylinder flange is arranged in the tubing interface, and the tubing interface is logical
Axial oil duct is crossed along axially through the protrusion；The protrusion also has radial direction oil, the radial direction oil and the axial oil
Road connection, and its opening is located at the root of the protrusion.
Using this structure, there are gap between piston and the contact surface of indexable cylinder flange, gap location has oil liquid to fill out in advance
It fills, when oil cylinder carries out switching operation, oil pressure can be given to piston moment, so that oil cylinder response is faster；Indexable oil cylinder method simultaneously
Axially and radially two-way oil duct arrangement, this design make oil liquid circulation more smooth to Lan Shangyou, and blocking probability is lower, so that oil cylinder work
Make more stability and high efficiency.
Optionally, the rotation transmission part further include central gear and with the splined shaft be correspondingly arranged with key teeth
Wheel；The central gear is mounted in the telescoping cylinder mounting bracket by central gear centration axis, each described with key teeth wheel
It coaxially fixes with the corresponding splined shaft, and is engaged respectively with the central gear；And the input gear and one of institute
Splined shaft is stated coaxially to fix.
The present invention also provides a kind of rear axle shaft press-loading devices, including described in workbench, control cabinet and any of the above item
Rear axle shaft press-loading apparatus；The rear axle shaft press-loading apparatus is installed on the workbench, and the control cabinet has control institute
State the control switch of rear axle shaft press-loading device start and stop.
Using this structure, worker only needs replacing rear axle shaft when being pressed, and presses press fitting start button,
Remaining step is all completed by machine, is greatly simplified operation, is reduced operation difficulty.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of rear axle shaft press-loading apparatus provided by the present invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is the cross-sectional view of the B-B of Fig. 2；
Fig. 6 is the portion the C enlarged drawing of Fig. 5；
Fig. 7 is a kind of structural schematic diagram of specific embodiment of rear axle shaft press-loading device provided by the present invention.
The reference numerals are as follows in Fig. 1-7:
1 mounting body, 11 telescoping cylinder mounting brackets, 111 second guide sleeves, 112 central gear centration axis, the positioning of 112a gear
Plate, 112b locking nut, 113 are close to switch bracket, 114 installation axles, 12 substrates, 121 semiaxis mounting portions to be pressed, 121a spiral shell
Bolt, 121b rear axle shaft, 122 first guide sleeves, 122a third sealing element, 13 indexable oil cylinder mounting brackets, 131U shape bracket, 132
Spacer；
21 telescoping cylinders；
31 splined shafts, 311 active splined shafts, 32 telescoping cylinder connectors, 33 compressing members, 34 locking nuts；
4 indexable oil cylinders, 41 indexable oil cylinder seats, 42 indexable oil cylinder sets, 42a first seal, 42b second seal, 43 turns
Position cylinder flange, the protrusion 43a, 43b axial direction oil duct, 43c radial direction oil, 44 pistons, 44a recess portion；
51 input gears, 52 central gears, 53 are with key teeth wheel, 531 actives with key teeth wheel；
6 rear axle shaft press-loading devices, 61 workbench, 62 rear axle shaft press-loading apparatus, 63 gratings, 64 control cabinets.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention
Applying example, the present invention is described in further detail.
The words such as " first " described herein, " second ", be merely for convenience of description scheme same or like two with
On structure or component, be not offered as certain particular determination to sequence.
Fig. 1-7 is please referred to, Fig. 1 is a kind of knot of specific embodiment of rear axle shaft press-loading apparatus provided by the present invention
Structure schematic diagram；Fig. 2 is the front view of Fig. 1；Fig. 3 is the top view of Fig. 1；Fig. 4 is the A-A cross-sectional view of Fig. 3；Fig. 5 is the B-B of Fig. 2
Cross-sectional view；Fig. 6 is the portion the C details enlarged drawing of Fig. 3；Fig. 7 is that one kind of rear axle shaft press-loading device provided by the present invention is specific
The structural schematic diagram of embodiment.
As shown in Figure 1, the present invention provides a kind of rear axle shaft press-loading apparatus, it to be used for more bolt 121a of car rear axle semi-axis
Press fitting, including mounting body 1 is provided with semiaxis mounting portion 121 to be pressed, rear axle shaft to be processed is placed in mounting portion
121, pre-determined bit can be realized.Specifically, it is provided in mounting body 1
The multiple press fitting moving parts being arranged corresponding to bolt 121a are provided with for compressing on each press fitting moving parts
The compressing member 33 of respective bolt 121a, compressing member 33 have installment work position and press fitting in the plane perpendicular to compaction direction
Operating position；Here, " installment work position ", which refers to, can carry out rear axle shaft disassembling operations when compressing member 33 is under the state,
" press fitting operating position ", which refers to, can carry out bolt presses operation when compressing member 33 is under the state.
It is pressed driving part, to drive above-mentioned press fitting moving parts to move along the compaction direction of bolt 121a；
Rotation driving part and rotation transmission part, rotation driving part drive above-mentioned press fitting to move by rotation transmission part
Dynamic component rotation, so that compressing member 33 switches between two operating positions.
Using this structure, the press fitting of a car rear axle semi-axis can be disposably completed, and press mounting bolt quantity does not have
Limitation, thus greatly improve press fitting efficiency；It is pressed simultaneously using machine is unified, so that the press fitting situation of each bolt is substantially
Close, there is no the phenomenons that individual bolt press-fit effects are very poor, therefore also improve press fitting quality.
In specific scheme, as shown in figures 1 to 6, mounting body 1 may include telescoping cylinder mounting bracket 11, above-mentioned press fitting
Driving part includes six telescoping cylinders 21 being mounted in telescoping cylinder mounting bracket 11, and telescoping cylinder 21 can be cylinder or oil cylinder etc.
Common motive power outputting apparatus, each telescoping cylinder 21 are connected by telescoping cylinder connector 32 with corresponding above-mentioned press fitting moving parts respectively
It connects.
Mounting body 1 may include be arranged in six close on switch bracket 113 close to switch (not shown), connect
Nearly switch bracket 113 is mounted in telescoping cylinder mounting bracket 11, detects above-mentioned press fitting moving portion close to switch (not shown)
The displacement of part, and control signal is sent to the control system for controlling above-mentioned press fitting driving part and above-mentioned rotation driving part
System, and then control the movement of rear axle shaft press-loading apparatus.
It should be pointed out that herein with no restrictions to the close number for switching (not shown) and set-up mode, as long as rear axle
Semiaxis press-loading apparatus can be realized the installation of semiaxis to be pressed, and press fitting and final finished are taken out.For example, its set-up mode can
With are as follows: be each arranged two close to switch close to switch bracket, including be disposed proximate at the top of switch bracket first close to opening
Close and be disposed proximate to the second close switch of switch bracket bottom.In system operation, after fixing rear axle shaft 121b, it is
System starting, above-mentioned rotation driving part first operate, and compressing member 33 are switched to press fitting operating position from installment work position, later
Above-mentioned press fitting driving part running, compressing member 33, which moves down, to be pressed, and is stopped after issuing signal close to switch until second, later
Press fitting driving part reversely operates, and compressing member 33 moves up, and stops after issuing signal close to switch until first, later rotate driving
Compressing member 33 is switched to installment work position from press fitting operating position, can taken rear axle shaft 121b at this time by part runs
Out, next semiaxis to be pressed is placed into.
Mounting body 1 may include that substrate 12, substrate 12 and telescoping cylinder mounting bracket 11 are connected by installation axle 114, often
A above-mentioned press fitting moving parts may include splined shaft 31, and one end of splined shaft 31 can connect with corresponding telescoping cylinder connector 32
It connects, compressing member 33 has can be set in the other end, and compressing member 33 is fixed by bolt 34；31 middle section of splined shaft can be set
One guide sleeve 122 and the second guide sleeve 111, the first guide sleeve 122 can be set between splined shaft 31 and substrate 12, the second guide sleeve 111
It can be set between splined shaft 31 and telescoping cylinder mounting bracket 11.Wherein the first guide sleeve 122 can be with the circular shaft of splined shaft 31
The cooperation of portion's hole axle, can be set first sealing device 122a between the first guide sleeve 122 and splined shaft 31；Second guide sleeve 111 can
To cooperate with the spline part of splined shaft 31.First guide sleeve 122 and the second guide sleeve 111 play support to splined shaft, guiding jointly
Effect.
It is found that above-mentioned telescoping cylinder connector 32 is merely to guarantee that telescoping cylinder 21 can drive splined shaft 31 to move, therefore stretch
Contracting cylinder 21 and splined shaft 31 are not limited to connect by telescoping cylinder connector 32, as long as can play the role of being connected and fixed, example
Can be used between such as telescoping cylinder 21 and splined shaft 31 be bolted or pin connection mode be connected and fixed；Similarly, splined shaft
31 and compressing member 33 also not can only be fixed by bolt 34, the modes such as welding or pin connection can be used and fix.
As shown in Fig. 1,5,6, mounting body 1 includes indexable oil cylinder mounting bracket 13, and above-mentioned rotation driving part includes peace
Indexable oil cylinder 4 in indexable oil cylinder mounting bracket 13, is provided with rack gear on the piston 44 of indexable oil cylinder 4, rack gear with it is above-mentioned
The input gear 51 of rotation transmission part engages, to drive above-mentioned press fitting moving parts to rotate by rotation transmission part.
Above-mentioned indexing oil cylinder 4 includes 41, two indexings of indexable oil cylinder seat being fixedly connected with indexable oil cylinder mounting bracket 13
Oil cylinder set 42 and two indexable cylinder flanges 43；Two indexable oil cylinder sets 42 are separately mounted to the both ends of indexable oil cylinder seat 41, and
Each 42 outside of indexing oil cylinder set is respectively arranged with indexable cylinder flange 43, is provided with tubing interface on indexable cylinder flange 43；
The both ends of piston 44 are plugged in respectively in the indexable oil cylinder set 42 at both ends, and form work with corresponding indexable cylinder flange 43 respectively
Oil pocket；Wherein, rack gear is located at the middle part of piston 44, and passes through the pass through openings of indexable oil cylinder seat 41 and above-mentioned rotation transmission part
Input gear 51 engage.
There can be first seal 42a between indexable cylinder flange 43 and indexable oil cylinder set 42, be arranged in indexable cylinder flange
In the 43 inserting section being adapted to indexable oil cylinder set 42；There can be second seal 42b between indexable oil cylinder set 42 and piston 44, if
It sets in the cooperation section of piston 44 being adapted to indexable oil cylinder set 42.The type of first seal 42a and second seal 42b are not
It is restricted, can be Glais ring or O-ring etc..
Indexable cylinder flange 43 has the protrusion 43a from the formation inwardly in the axial direction of its ontology, correspondingly, piston 44
End face has the recess portion 44a being adapted to stopper protrusion 43a；And it is configured that recess portion 44a and protrusion 43a offset under state, piston 44
End face and indexable cylinder flange 43 ontology between there is preset distance.
It should be appreciated that realize the technical characteristic, selected structure is not limited to above structure, can also be other knots
Structure, such as: indexable cylinder flange 43, which has from its ontology, axially extends the recess portion to be formed, the end face of piston 44 have with it is described
Said effect also may be implemented when the protrusion and the recess portion offset in the protrusion of recess portion adaptation.
The center position of indexable cylinder flange 43 is arranged in above-mentioned tubing interface, and tubing interface passes through axial oil duct 43b
Along axially through protrusion 43a；Also there is protrusion 43a radial direction oil 43c, radial direction oil 43c to be connected to axial direction oil duct 43b, and its
Opening is located at the root of protrusion 43a.
Using this structure, there are gap between piston and the contact surface of indexable cylinder flange, gap location has oil liquid to fill out in advance
It fills, when oil cylinder carries out switching operation, oil pressure can be given to piston moment, so that oil cylinder response is faster；Indexable oil cylinder method simultaneously
Axially and radially two-way oil duct arrangement, this design make oil liquid circulation more smooth to Lan Shangyou, and blocking probability is lower, so that oil cylinder work
Make more stability and high efficiency.
It should be pointed out that the oil duct arrangement inside indexable cylinder flange 43 is not limited solely to axial oil duct 43b and diameter
To oil duct 43c, there can also be other arrangements according to the actual situation, such as: it is wanted in the intensity for meeting indexable cylinder flange 43
Under the precondition asked, a plurality of radial direction oil can be simutaneously arranged.
As shown in Figure 1-3, above-mentioned rotation transmission part further include central gear 52 and with splined shaft 31 be correspondingly arranged with
Key teeth wheel 53；Central gear 52 is mounted in telescoping cylinder mounting bracket 11 by central gear centration axis 112, and fixed by gear
Position plate 112a and locking nut 112b is fixed, and is each located on corresponding splined shaft 31 with key teeth wheel 53, and passes through gear positioning plate
112a and the second guide sleeve 111 are fixed, and input gear 51 is located in one of on splined shaft 31, and pass through U-bracket 131 and spacer
132 is fixed.Wherein, the splined shaft 31 for being provided with input gear 51 is active splined shaft 311, is located at active splined shaft 311
On with key teeth wheel 53 be actively with key teeth wheel.
It should be pointed out that above-mentioned fixed form is a kind of specific fixed form of each gear in rotation transmission part,
Under the premise of not influencing its concrete function, there can also be other fixed forms, such as: it can or column fixed using welded connecting
The fixed mode of pin connection.
As shown in Fig. 1,3,5, when compressing member carries out operating position switching, the movement of piston 44 with rack gear drives input
Gear 51 rotates, and the rotation of input gear 51 drives active splined shaft 311 to rotate, and then drives and be located on active splined shaft 311
It is actively rotated with key teeth wheel 531, actively drives matched central gear 52 to rotate with the rotation of key teeth wheel 531, central gear
52 rotation drive except active in addition to key teeth wheel 531 it is other with key teeth wheel 53 rotate, and then drive in addition to active splined shaft 311
Other splined shafts 31 rotate, the final operating position switching for realizing the correspondence compressing member 33 being located on each splined shaft 31.
As shown in fig. 6, the present invention also provides a kind of rear axle shaft press-loading device 6, including the press fitting of workbench 61, rear axle shaft
Device 62, gratings 63 and control cabinet 64；Wherein, rear axle shaft press-loading apparatus 61 is mounted on workbench 61, is set on workbench 61
It is equipped with gratings 63, control cabinet 64 is located at the side of gratings 63, there is the control of control 6 start and stop of rear axle shaft press-loading device in control cabinet 64
System switch.
It should be pointed out that above-mentioned rear axle shaft press-loading device is a kind of possible structure type, there are also other forms,
Such as: control cabinet 64 may be mounted on workbench 61 rather than in gratings 63；Gratings 63 could alternatively be iron plate frame etc..
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the ordinary skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for personnel, these improvement
It is also fallen within the protection scope of the claims of the present invention with modification.
Claims (11)
1. a kind of rear axle shaft press-loading apparatus, the press fitting for more bolts of car rear axle semi-axis, which is characterized in that including installation
Main body is provided with semiaxis mounting portion to be pressed, and is provided in the mounting body
The multiple press fitting moving parts being arranged corresponding to the bolt are provided with for compressing on each press fitting moving parts
The compressing member of the corresponding bolt, the compressing member have installment work position and press fitting in the plane perpendicular to compaction direction
Operating position；
It is pressed driving part, to drive the press fitting moving parts to move along the compaction direction of the bolt；
Rotation driving part and rotation transmission part, the rotation driving part drive the pressure by the rotation transmission part
Moving parts rotation is filled, so that the compressing member switches between two operating positions.
2. rear axle shaft press-loading apparatus according to claim 1, which is characterized in that the mounting body includes telescoping cylinder peace
Bracket is filled, the press fitting driving part includes multiple telescoping cylinders being mounted in the telescoping cylinder mounting bracket, each described to stretch
Contracting cylinder passes through telescoping cylinder connector respectively and connects with the corresponding press fitting moving parts.
3. rear axle shaft press-loading apparatus according to claim 2, which is characterized in that further include being disposed proximate to switch bracket
On close to switch, it is described to be mounted in the telescoping cylinder mounting bracket close to switch bracket, it is described close to described in switch detection
It is pressed the displacement of moving parts, and sends control signal to the press fitting driving part and the rotation driving part, and then control
Make the movement of the rear axle shaft press-loading apparatus.
4. rear axle shaft press-loading apparatus according to claim 3, which is characterized in that the mounting body includes substrate, often
A press fitting moving parts includes splined shaft, and one end of the splined shaft is connected with the corresponding telescoping cylinder connector,
The other end is provided with the compressing member；The splined shaft middle section is provided with the first guide sleeve and the second guide sleeve, and first guide sleeve is set
It sets between the splined shaft and the substrate, described second leads and be set on the splined shaft and the telescoping cylinder mounting bracket
Between.
5. rear axle shaft press-loading apparatus according to claim 4, which is characterized in that the mounting body includes indexable oil cylinder
Mounting bracket, the rotation driving part include the indexable oil cylinder being mounted in the indexable oil cylinder mounting bracket, the indexing
Rack gear is provided on the piston of oil cylinder, the rack gear is engaged with the input gear of the rotation transmission part, to turn by described
Dynamic transferring element drives the press fitting moving parts rotation.
6. rear axle shaft press-loading apparatus according to claim 5, which is characterized in that it is described indexing oil cylinder include and described turn
Indexable oil cylinder seat, two indexable oil cylinder sets and the two indexable cylinder flanges that position oil cylinder mounting bracket is fixedly connected；Described in two
Indexable oil cylinder set is separately mounted to the both ends of the indexable oil cylinder seat, and each indexable oil cylinder set outside is respectively set
Indexable cylinder flange is stated, is provided with tubing interface on the indexing cylinder flange；The both ends of the piston are plugged in both ends respectively
The indexable oil cylinder set in, and form working oil chamber with the corresponding indexable cylinder flange respectively；Wherein, the rack gear is located at
The middle part of the piston, and nibbled by the pass through openings of the indexable oil cylinder seat and the input gear of the rotation transmission part
It closes.
7. rear axle shaft press-loading apparatus according to claim 6, which is characterized in that the indexing cylinder flange and described turn
The first seal of position oil cylinder inner room, the indexable cylinder flange is arranged in covers the inserting section being adapted to the indexable oil cylinder
On；The suitable with the indexable oil cylinder set of the piston is arranged in the second seal of indexing the oil cylinder set and the piston space
In the cooperation section matched.
8. rear axle shaft press-loading apparatus according to claim 7, which is characterized in that the indexing cylinder flange has from it
The protrusion of ontology formation inwardly in the axial direction, correspondingly, the end face of the piston are recessed with being adapted to the stopper protrusion
Portion；And it is configured that the recess portion and the protrusion offset under state, the sheet of the end face of the piston and the indexable cylinder flange
There is preset distance between body.
9. rear axle shaft press-loading apparatus according to claim 8, which is characterized in that the tubing interface is arranged at described turn
The center position of position cylinder flange, the tubing interface pass through axial oil duct along axially through the protrusion；The protrusion is also
With radial direction oil, the radial direction oil is connected to the axial oil duct, and its opening is located at the root of the protrusion.
10. the rear axle shaft press-loading apparatus according to any one of claim 5 to 9, which is characterized in that the rotation transmitting
Component further include central gear and with the splined shaft be correspondingly arranged with key teeth wheel；The central gear is fixed by central gear
Mandrel is mounted in the telescoping cylinder mounting bracket, each described coaxially to fix with key teeth wheel and the corresponding splined shaft, and point
It is not engaged with the central gear；And the input gear is coaxially fixed with splined shaft described in one of them.
11. a kind of rear axle shaft press-loading device, which is characterized in that including workbench, control cabinet and as appointed in claim 1 to 9
Rear axle shaft press-loading apparatus described in one；The rear axle shaft press-loading apparatus is installed on the workbench, the control cabinet
With the control switch for controlling the rear axle shaft press-loading device start and stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740456.4A CN110465796A (en) | 2019-08-12 | 2019-08-12 | Rear axle shaft press-loading device and its press-loading apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740456.4A CN110465796A (en) | 2019-08-12 | 2019-08-12 | Rear axle shaft press-loading device and its press-loading apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110465796A true CN110465796A (en) | 2019-11-19 |
Family
ID=68510632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910740456.4A Pending CN110465796A (en) | 2019-08-12 | 2019-08-12 | Rear axle shaft press-loading device and its press-loading apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110465796A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791052A (en) * | 2020-07-16 | 2020-10-20 | 商江华 | Automobile rear axle half shaft bolt press-fitting equipment |
-
2019
- 2019-08-12 CN CN201910740456.4A patent/CN110465796A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791052A (en) * | 2020-07-16 | 2020-10-20 | 商江华 | Automobile rear axle half shaft bolt press-fitting equipment |
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