CN206919856U - A kind of beam rear axle axle housing detects leveling machine - Google Patents

Abstract

It the utility model is related to beam rear axle axle housing machining field, disclose a kind of beam rear axle axle housing detection leveling machine, including base, horizontal levelling device and vertical levelling device, vertical levelling device is arranged on base, horizontal levelling device includes the first supporting part and the second supporting part, first supporting part and the second supporting part are installed on base, and the first supporting part and the second supporting part face are set, and first supporting part is provided with the first elevating mechanism；The vertical levelling device includes the second lifting unit and the 3rd lifting unit.A kind of beam rear axle axle housing detection leveling machine of the present utility model is supported axle housing by the first supporting part and the second supporting part, and the level height of axle housing wherein one end is adjusted by the first elevating mechanism, so as to reach the effect of integral level leveling, then being used cooperatively come leveling axle housing axis and middle Chinese lute hole by the second lifting unit and the 3rd lifting unit again, it is simple in construction, and improve efficiency.

Description

A kind of beam rear axle axle housing detects leveling machine

Technical field

Beam rear axle axle housing machining field is the utility model is related to, specially a kind of beam rear axle axle housing detection is adjusted Flat machine.

Background technology

Beam rear axle is transmission parts important in rear-guard vehicle power train, not only transmits power transmission shaft power to rear driving Wheel, realize that reduction of speed increases square, trailing wheel differential, and bear car body weight and road excitation.And rear axle case is as automobile integral Rear-end gear reduction, semiaxis, the assembling body of brake, some fitted position precision of rear axle case have a strong impact on rear axle assy Assembling quality, and then influence back axle transmission performance.

The flatness of banjo axle mounting surface is overproof, can cause main reducing gear axial line and axle housing axial line out of plumb, Influence the assembling of rear axle assy.Axle housing mounting surface center is high excessive or too small, it is eccentric excessive on axle housing central hole location degree or Lower bias, it can all influence the correct assembling of left and right semiaxis and axle shaft gear.To ensure that rear axle assy assembles quality, production scene one As require to these three axle housing key fitted position precision carry out qualification detection.

In rear axle case machining dimension qualification detection process, due to detection axle housing among mounting hole flatness, , it is necessary to which axle housing is tuned into horizontal attitude when center is high, central hole location is spent.

The way of industry spot is：

Axle housing is placed in detection platform, short vee-block support axle housing both ends periphery；

Axle housing one end bearing hole minimum point is found out with the height gauge with dial gauge, and records height gauge height, and by hundred Divide table zeroing；

Another end bearing position minimum point of axle housing is found out with the height gauge with dial gauge, pats vee-block with hand to finely tune bridge The bearing height of shell, make dial gauge nulling, make left and right ends horizontal；

Press close to position midpoint in face of flange ring, dial gauge zeroing with the height gauge measurement head with dial gauge, measurement head is pressed close to Position midpoint after flange anchor ring, flange anchor ring is patted to finely tune back rake angle in face of flange ring with hand, front and rear flange face midpoint is all referred to Zero；(making keep level before and after flange face)

Measure flange face center height, flatness, central hole location degree etc..

The worker that whole process needs certain experiences adjusts repeatedly, whole adjustment time to spend several minutes could be bridge Shell is tuned into horizontal attitude.

So one kind can allow whole detection process simple and convenient, the beam rear axle axle housing detection of detection efficiency is improved Leveling machine arises at the historic moment.

Utility model content

The purpose of this utility model is that providing a kind of beam rear axle axle housing detects leveling machine, makes whole detection process simple Just, survey efficiency has been examined in raising to folk prescription, axle housing axis and center Chinese lute hole can be tuned into horizontal attitude simple and effective, with convenient Mounting hole flatness, center height, the measurement of central hole location degree among follow-up beam rear axle axle housing.

To achieve the above object, the utility model embodiment provides following technical scheme：A kind of beam rear axle axle housing inspection Leveling machine, including base, horizontal levelling device and vertical levelling device are surveyed, the vertical levelling device is arranged on the base On, the horizontal levelling device includes the first supporting part and the second supporting part, first supporting part and second supporting part It is installed on the base, and first supporting part and the second supporting part face are set, on first supporting part Provided with the first elevating mechanism；The vertical levelling device includes the second lifting unit and the 3rd lifting unit, the second lifting unit peace On the base, the 3rd lifting unit is arranged on second lifting unit.

Further, first elevating mechanism includes the first block, the first movable block, fixed support and push rod, described First block is located at the top of first supporting part, and first block is integrated with first supporting part； First movable block is placed on first supporting part, and first block is located at same level with first movable block And face is set；The fixed support is arranged on first supporting part, and has through hole on the fixed support, described to push away Bar passes through the through hole, and the through hole is threadedly coupled with the push rod, and the push rod abuts first movable block.

Further, first supporting part also includes the first pedestal with the first sliding groove, first sliding groove Length direction is consistent with the direction of motion of first movable block；First block is placed in described with first movable block On first pedestal, and first block is integrated with first pedestal；First movable block, which is provided with, to be oriented to Bar, the gib block are slidably connected with first sliding groove；First pedestal is fixedly mounted on the base.

Further, second supporting part includes the first support block, the second support block and the second pedestal, second base Seat is fixedly mounted on the base；First support block and the second support block are respectively positioned on the top of second pedestal, And first support block is located at same level with the second support block and face is set, first support block, described second Support block and second pedestal are integrated；First pedestal and the second pedestal face are set, and described first The height of pedestal is equal with the height of the second pedestal.

Further, institute's second lifting unit includes column, rack and transmission mechanism, and the inwall of the column is provided with Two the second sliding grooves, the length direction extension of the length directions of two second sliding grooves along the column, the rack Two sides corresponding to be arranged on two second sliding grooves；The transmission mechanism is arranged on the column, and institute The output end for stating transmission mechanism is connected with the tooth of the rack, and the column is fixedly mounted on the base.

Further, the transmission mechanism includes pin, gear and handwheel, and the gear is arranged on the column, and The gear engages with the rack；The axis coaxle of the axis of the handwheel and the gear is set, and the pin is along institute The axis of the axis and the gear of stating handwheel sequentially passes through the handwheel and the gear, and the pin by flat key with The gear connection, the pin are threadedly coupled with the handwheel；The handwheel is fixed on the column by locking nut On lateral wall, the locking nut is arranged on the pin.

Further, second lifting unit also includes limit base and spacer pin, and the limit base is arranged on the column Lateral wall on, the spacer pin is hinged with the limit base；Be evenly distributed with along the circumference of the handwheel be available for it is described spacing Some grooves that pin card connects.

Further, the 3rd lifting unit includes entablature, two screw mandrels, two handles and straightening mechanism, two institutes State the top that handle is separately mounted to two screw mandrels, two screw mandrels through the entablature and with the entablature spiral shell Line connects, and the straightening mechanism is arranged on the bottom of two screw mandrels；The entablature is fixedly mounted on second lifting In portion.

Further, the straightening mechanism includes Optical Split-Image Levelling Instrument, sill and two pressure heads, the sill position In the underface of the entablature, and two screw mandrels are threadedly coupled through the sill and with the sill；Two The pressure head is respectively positioned on the lower section of the sill, and two pressure heads are threaded on two screw mandrels respectively；Institute Optical Split-Image Levelling Instrument is stated on the sill.

Further, the straightening mechanism also includes two groups of spherical hinge structures, and the spherical hinge structure is located above the sill； The spherical hinge structure includes ball pivot cover plate, ball stud and ball pivot bottom plate, and the ball stud is placed in the ball pivot cover plate and institute Between stating ball pivot bottom plate, and two ball studs are connected with two wire rod threads respectively；The ball stud with it is described under Crossbeam ball pivot connects.

Compared with prior art, the beneficial effects of the utility model are：A kind of beam rear axle axle housing detection leveling machine is first It is to be supported axle housing by the first supporting part and the second supporting part, and axle housing is adjusted wherein by the first elevating mechanism The level height of one end, so as to reach the effect of integral level leveling, then pass through the second lifting unit and the 3rd lifting unit again It is used cooperatively and comes leveling axle housing axis and middle Chinese lute hole, it is simple in construction, and improve efficiency；First with the first support block and The cooperation of two support blocks and the cooperation of the first block and the first movable block steadily prop axle housing, then promote the using push rod One movable block, due to extruding force so that axle housing can move up, reverse operating, axle housing can be moved down, and be easy to grasp To make, push rod is threaded into or screwed out, and the first block is lifted or pat to finely tune compared with manual, stably a lot, from And improve Adjustment precision；The coarse adjustment of vertical direction is realized first with the cooperation of rack, gear, handwheel etc., then passes through two The fine setting of vertical direction is realized in the cooperation of root screw mandrel, Optical Split-Image Levelling Instrument, and so as to complete, center is high and central hole location The leveling of degree, it is simple and convenient；Using spacer pin, handwheel free movement can be limited, makes to change again after the completion of coarse adjustment；It is logical Cross ball pivot connection, it is ensured that in fine setting, screw mandrel is not in the stuck phenomenon of interference with sill.

Brief description of the drawings

Fig. 1 is that a kind of beam rear axle axle housing of the utility model embodiment detects the overall structure diagram of leveling machine；

Fig. 2 is that a kind of beam rear axle axle housing of the utility model embodiment detects the partial structural diagram of leveling machine；

Fig. 3 is that a kind of beam rear axle axle housing of the utility model embodiment detects the partial structural diagram of leveling machine；

Fig. 4 is that a kind of beam rear axle axle housing of the utility model embodiment detects the partial structural diagram of leveling machine；

Fig. 5 is that a kind of beam rear axle axle housing of the utility model embodiment detects the partial structural diagram of leveling machine；

In reference：1- bases；The horizontal levelling devices of 2-；The supporting parts of 20- first；The elevating mechanisms of 200- first；2000- First block；The movable blocks of 2001- first；2002- fixed supports；2003- push rods；The pedestals of 201- first；2010- first is slided Groove；The supporting parts of 21- second；The support blocks of 210- first；The support blocks of 211- second；The pedestals of 212- second；The vertical levelling devices of 3-； The lifting units of 30- second；300- columns；301- racks；302- transmission mechanisms；3020- pins；3021- gears；3022- handwheels； 30220- grooves；303- limit bases；304- spacer pins；The lifting units of 31- the 3rd；310- entablatures；311- screw mandrels；312- handles； 313- straightening mechanisms；3130- Optical Split-Image Levelling Instruments；3131- sills；3132- pressure heads；3133- spherical hinge structures；31330- balls Hinge cap plate；31331- ball studs；31332- ball pivot bottom plates.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The all other embodiment obtained, belong to the scope of the utility model protection.

Referring to Fig. 1, a kind of beam rear axle axle housing detection leveling machine of the utility model embodiment offer, including base 1, Horizontal levelling device 2 and vertical levelling device 3.On the one hand, horizontal levelling device 2 includes the first supporting part 20 and the first support Portion 21, and the first elevating mechanism 200 is additionally provided with the first supporting part 20, the first supporting part 20 and the first supporting part 21 are all On base 1, in practical operation, axle housing is supported using two supporting parts, then recycles first liter Descending mechanism 200 adjusts the height of axle housing, so as to completing the levelness of leveling axle housing；On the other hand, vertical levelling device 3 includes Second lifting unit 30 and the 3rd lifting unit 31, the second lifting unit 30 are arranged on base 1, and the 3rd lifting unit 31 is arranged on second liter In drop portion 30, wherein, the second lifting unit 30 is for completing the coarse adjustment to vertical direction, and the 3rd lifting unit 31 is for complete The fine setting in pair of vertical direction, axis and middle Chinese lute hole so as to leveling axle housing.Whole process is easily understood, and can be with Very common component is used to assemble, it is easily operated, it is much higher compared with leveling efficiency is carried out by hand.

It is specific embodiment below：

Optimize such scheme, referring to Fig. 2, the first above-mentioned elevating mechanism 200 is risen or fallen for driving axle housing , specific flow is to prop up axle housing first with the first supporting part 20 and the first supporting part 21, due to the first supporting part 21 that While be nonadjustable, if just driving axle housing to rise with the first elevating mechanism 200 so the first supporting part 20 is low here, completion Horizontal leveling, conversely, then driving axle housing to decline with the first elevating mechanism 200.Second lifting unit and the 3rd lifting unit and The effect of one elevating mechanism 200 is identical.Realize that lifting can have a variety of methods, such as screw rod transmission, such as by one Individual thrust lifts to promote completion to move up and down in order to accurate and stable realize, the utility model utilizes such as lower section Case：First block 2000, the first movable block 2001 and push rod 2003 are set, and the first block 2000 and the first movable block 2001 are all It is placed on the first supporting part 20, and they are to face setting, wherein, the first block 2000 and the first supporting part 20 are one Body structure, integral structure here can be connected by screw bolts, or welding, or be made of one shaping, can, Primarily to playing support and one stops spacing effect, the first movable block 2001 can move up in the first supporting part 20 It is dynamic, the first movable block 2001 is promoted by push rod 2003, the level allowed between the first block 2000 and the first movable block 2001 Distance diminishes, and so as to play the action of a clamping, will then give one upward power of housing, here, screw mandrel 311 is logical Cross what fixed support 2002 was set up, and screw mandrel 311 is to be threadedly coupled with the through hole in fixed support 2002, can so be protected Card be when screwing in it is steady accurately.And the first block 2000 here and the first movable block 2001 can make Rhizoma Sparganii Rod structure, using they two inclined-plane form a V-type, preferably horizontal force can be allowed to be converted into vertical force.

Further optimize such scheme, referring to Fig. 2, setting the 3rd lifting unit 201, the 3rd lifting unit 201 is fixed on On base 1, and the first sliding groove 2010 is set on the 3rd lifting unit 201, and the first block 2000 and the first movable block 2001 It is mounted on the 3rd lifting unit 201, likewise, the first block 2000 and the 3rd lifting unit 201 are integral structures, one Change the mode of structure with as above-mentioned, on the other hand, the first movable block 2001 is provided with gib block, be directed to the cunning of bar insertion first In dynamic groove 2010, the first movable block 2001 can be facilitated to be slided on the 3rd lifting unit 201, by the direction of the first sliding groove 2010 It is arranged to the direction with movable block motion, also for the first block 2000 and the first movable block 2001 that face can be allowed to set It can be always held in same horizontal line and move, so as to which axle housing can be moved up and down along same vertical curve, so as to complete Into horizontal leveling.

Further optimize such scheme, referring to Fig. 1, the first supporting part 21 includes the first support block 210, the second support block 211 and second pedestal 212, the second pedestal 212 be all fixedly mounted on base 1 as the 3rd lifting unit 201, and They two be face set, and height it is also equal, be for convenience axle housing horizontal leveling；First support block 210 and second Support block 211 be in order to prop axle housing, their supporting roles with the first block 2000, the first movable block 2001 be it is the same, Because they need not be moved, so be integrated with the second pedestal 212, using that integrated mode, also with Above identical；And likewise, it is triangular prism block that the first support block 210 and the second support block 211, which can also be made, certainly Can make other shapes can also, they are intended merely to play a part of gentle support.

Further optimize such scheme, referring to Fig. 3, the second lifting unit 30 includes column 300, rack 301 and transmission Mechanism 302, column 300 are integrally fixed on base 1, and it has two effects, and one for the work to coarse adjustment one guiding of action With another is for the effect to one support of trimming movement；Two the second sliding grooves are opened up on inside the column 300, Length direction extension of the length direction of two sliding grooves along column 300, we will be arranged on this corresponding to two sides of rack 301 In two the second sliding grooves, and in using transmission mechanism 302 come band carry-over bar 301 in the second sliding groove along on vertical direction Lower movement, complete the process of coarse adjustment.Second sliding groove can use dovetail groove, and the section of rack 301 is trapezoid cross section, be with What dovetail groove matched.

Further optimize such scheme, referring to Fig. 3, transmission mechanism 302 is to be able to drive rack 301 to move up and down And set, it can promote rack 301 to move using motor, using oil cylinder rack 301 can also be promoted to move, The utility model employs following scheme in order to play low cost, no consumption and the effect being easily understood：Transmission mechanism 302 include pin 3020, gear 3021 and handwheel 3022, and gear 3021 is mounted on column 300, and with the tooth Bar 301 engages, and so we only need drive gear 3021 to rotate the control that can is completed to move up and down rack 301, I Handwheel 3022 and gear 3021 are coaxially disposed, and allow pin 3020 to sequentially pass through handwheel 3022 and gear along this axis 3021, wherein, pin 3020 is to be connected by flat key with gear 3021, and pin 3020 is threadedly coupled with handwheel 3022, Handwheel 3022, is locked on the lateral wall of column 300 by then our installation locking nuts on pin 3020 with locking nut, So, when we rotate handwheel 3022, it is possible to which easily band moving gear 3021 rotates, so as to on carry-over bar 301 Lower motion, vertical coarse adjustment leveling is completed, is easily understood, convenient operation, and also cost is cheap, suitable for promoting the use of.

Further optimize such scheme, referring to Fig. 4, the second lifting unit also includes limit base 303 and spacer pin 304, Wherein, limit base 303 is arranged on the lateral wall of column 300, and spacer pin 304 is be hinged with limit base 303, and spacer pin 304 is transported Dynamic direction is proximate to handwheel 3022 or the direction away from handwheel 3022, and we are evenly distributed with some in the circumference of handwheel 3022 Individual groove 30220, these grooves 30220 can be for the clampings of spacer pin 304, and specific operation is, when handwheel 3022 turns to one Behind individual position, coarse adjustment leveling is completed, in order to prevent it from freely rotating, this when, spacer pin 304 was sticked into groove by us In 30220, a spacing effect is just served.

Further optimize such scheme, referring to Fig. 3, the 3rd lifting unit 31 includes 310, two screw mandrels 311, two of entablature Individual handle 312 and straightening mechanism 313, entablature 310 are mounted on column 300, then get through two on entablature 310 Individual screwed hole, two installations of screw mandrel 311 are entered respectively, they are threaded connections, then install two handles 312 respectively On two screw mandrels 311, moving up and down for screw mandrel 311 can be completed by the rotation of handle 312, meanwhile, straightening mechanism 313 The bottom of two screw mandrels 311 is mounted in, it plays a part of a horizontal smoothing, in practical operation, first adjusts two Screw mandrel 311, them are allowed to abut to axle housing respectively, it is then whether horizontal come auxiliary judgment by straightening mechanism 313, so as to complete bridge Columella line, the leveling in middle Chinese lute hole.Said process is very simple, easily operated.

Further optimize such scheme, referring to Fig. 5, straightening mechanism 313 is to judge whether to reach by level The center of axle housing or central hole location, and straightening mechanism 313 can use levelling machine common on the market, or simply use percentage Table completes smoothing to be used cooperatively, and the utility model employs one kind and more accurately smooths scheme：Straightening mechanism 313 includes light Combined diagram level 3130, sill 3131 and two pressure heads 3132 are learned, wherein, sill 3131 is being located at entablature 310 just Lower section, and also equally there are sill 3,131 two to be passed through respectively for two screw mandrels 311 with entablature 310 and screw thread connects therewith The screwed hole connect, two pressure heads 3132 are to be located at the lower section of sill 3131, and are threaded in respectively on two screw mandrels 311, And the Optical Split-Image Levelling Instrument 3130 to be played an important role in this straightening mechanism 313 is just arranged on sill 3131, profit With this Optical Split-Image Levelling Instrument 3130 horizontal smoothing can be allowed to carry out more accurate.

Further optimize such scheme, referring to Fig. 5, straightening mechanism 313 also includes two groups of spherical hinge structures 3133, ball pivot knot Structure 3133 includes ball pivot cover plate 31330, ball stud 31331 and ball pivot bottom plate 31332, and ball stud 31331 is placed in ball pivot lid Between plate 31330 and ball pivot bottom plate 31332, and two ball studs 31331 are threadedly coupled with two screw mandrels 311 respectively, ball stud 31331 with sill 3131 be that ball pivot is connected, and ball stud 31331 is threadedly coupled with screw mandrel 311, and by being machined with partial sphere Ball pivot bottom plate 31332, ball pivot cover plate 31330 and the ball-joint of sill 3131, so ensure that screw mandrel 311 is with in fine setting Crossbeam 3131 is not in the stuck phenomenon of interference.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (10)

1. a kind of beam rear axle axle housing detects leveling machine, including base, horizontal levelling device and vertical levelling device, described Vertical levelling device is arranged on the base, it is characterised in that：The horizontal levelling device includes the first supporting part and second Supporting part, first supporting part and second supporting part are installed on the base, and first supporting part and institute The setting of the second supporting part face is stated, first supporting part is provided with the first elevating mechanism；The vertical levelling device includes the Two lifting units and the 3rd lifting unit, second lifting unit are arranged on the base, and the 3rd lifting unit is arranged on described On second lifting unit.

A kind of 2. beam rear axle axle housing detection leveling machine according to claim 1, it is characterised in that：First lifting Mechanism includes the first block, the first movable block, fixed support and push rod, and first block is placed in first supporting part On, and first block is integrated with first supporting part；First movable block is placed in first support In portion, first block is located at same level with first movable block and face is set；The fixed support is arranged on On first supporting part, and there is through hole on the fixed support, the push rod passes through the through hole, and the through hole and institute Push rod threaded connection is stated, the push rod abuts first movable block.

A kind of 3. beam rear axle axle housing detection leveling machine according to claim 2, it is characterised in that：First support Portion also includes the first pedestal with the first sliding groove, the fortune of the length direction of first sliding groove and first movable block Dynamic direction is consistent；First block and first movable block are placed on first pedestal, and first block with First pedestal is integrated；First movable block is provided with gib block, and the gib block slides with described first Groove is slidably connected；First pedestal is fixedly mounted on the base.

A kind of 4. beam rear axle axle housing detection leveling machine according to claim 3, it is characterised in that：Second support Portion includes the first support block, the second support block and the second pedestal, and second pedestal is fixedly mounted on the base；It is described First support block and the second support block are respectively positioned on the top of second pedestal, and first support block and described second Bracer is located at same level and face is set, and first support block, second support block and second pedestal are Integral structure；First pedestal is set with the second pedestal face, and the height of first pedestal and described second The height of pedestal is equal.

A kind of 5. beam rear axle axle housing detection leveling machine according to claim 1, it is characterised in that：Second lifting Portion includes column, rack and transmission mechanism, and the inwall of the column is provided with two the second sliding grooves, and two described second slide Length direction extension of the length direction of dynamic groove along the column, two sides of the rack are corresponding to be arranged on described in two On second sliding groove；The transmission mechanism is arranged on the column, and the output end of the transmission mechanism and the rack Tooth connects；The column is fixedly mounted on the base.

A kind of 6. beam rear axle axle housing detection leveling machine according to claim 5, it is characterised in that：The transmission mechanism Including pin, gear and handwheel, the gear is arranged on the column, and the gear engages with the rack；It is described The axis coaxle of the axis of handwheel and the gear is set, the axle of axis and the gear of the pin along the handwheel Line sequentially passes through the handwheel and the gear, and the pin is connected by flat key with the gear, the pin with it is described Handwheel is threadedly coupled；The handwheel is fixed on by locking nut on the lateral wall of the column, and the locking nut is arranged on On the pin.

A kind of 7. beam rear axle axle housing detection leveling machine according to claim 6, it is characterised in that：Second lifting Portion also includes limit base and spacer pin, and the limit base is arranged on the lateral wall of the column, the spacer pin with it is described Limit base is hinged；Some grooves for being available for the spacer pin clamping are evenly distributed with along the circumference of the handwheel.

A kind of 8. beam rear axle axle housing detection leveling machine according to claim 1, it is characterised in that：3rd lifting Portion includes entablature, two screw mandrels, two handles and straightening mechanism, and two handles are separately mounted to two screw mandrels Top, two screw mandrels be threadedly coupleds through the entablature and with the entablature, and the straightening mechanism is installed in two The bottom of screw mandrel described in root；The entablature is fixedly mounted on second lifting unit.

A kind of 9. beam rear axle axle housing detection leveling machine according to claim 8, it is characterised in that：The levelling machine Structure includes Optical Split-Image Levelling Instrument, sill and two pressure heads, and the sill is located at the underface of the entablature, and two Screw mandrel described in root is threadedly coupled through the sill and with the sill；Two pressure heads are respectively positioned on the sill Lower section, and two pressure heads are threaded on two screw mandrels respectively；The Optical Split-Image Levelling Instrument is arranged on described On sill.

A kind of 10. beam rear axle axle housing detection leveling machine according to claim 9, it is characterised in that：The levelling machine Structure also includes two groups of spherical hinge structures, and the spherical hinge structure is located above the sill；The spherical hinge structure include ball pivot cover plate, Ball stud and ball pivot bottom plate, the ball stud are placed between the ball pivot cover plate and the ball pivot bottom plate, and described in two Ball stud is connected with two wire rod threads respectively；The ball stud is connected with the sill ball pivot.