CN217255873U

CN217255873U - Positioning device for assembling drive axle

Info

Publication number: CN217255873U
Application number: CN202220583090.1U
Authority: CN
Inventors: 吴志强; 徐力山; 彭毅中
Original assignee: Guangdong Fuwa Engineering Manufacturing Co Ltd
Current assignee: Guangdong Fuwa Engineering Manufacturing Co Ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-23
Anticipated expiration: 2032-03-17

Abstract

A positioning device for assembling a drive axle comprises a base; the two first installation seats are respectively positioned at two sides of the base, each first installation seat is provided with two positioning seats which are arranged along the length direction of the base, the positioning seats are provided with positioning grooves which extend along the height direction of the base, and the openings of the positioning grooves of the two positioning seats on each first installation seat are oppositely arranged; a first clamping block and a first driving unit for driving the first clamping block to move along the width direction of the base are arranged on one first mounting seat; the base is provided with a second clamping block and a second driving unit for driving the second clamping block to move along the length direction of the base, and the second driving unit and the first driving unit form a clamping mechanism. The utility model provides high packaging efficiency and maneuverability of transaxle.

Description

Positioning device for assembling drive axle

Technical Field

The utility model relates to a transaxle technical field, concretely relates to positioner of transaxle equipment.

Background

The drive axle generally comprises an axle housing, a brake bottom plate, an upper sliding plate seat, a lower thrust rod support and the like, wherein the brake bottom plate, the upper sliding plate seat and the lower thrust rod support are welded on the periphery of a shaft tube part of the axle housing, the upper sliding plate seat and the lower thrust rod support are fixed in a welding way, in order to overcome the defect that the replacement is difficult when the drive axle is seriously worn for a long time, a fabricated drive axle as shown in fig. 1 is provided, and particularly, an upper slide plate seat 12 and a lower thrust rod support 13 of the drive axle are fixed at the periphery of a shaft tube portion of an axle housing 11 by using U-shaped bolts 14, a brake bottom plate 15 is welded to the shaft tube of the drive axle and spaced apart from the upper slide plate seat 12 and the lower thrust rod support 13 by a certain distance, such a structure can facilitate the replacement of the upper slide plate seat and the lower thrust rod support, however, the existing tool is difficult to realize the quick installation of the structure, so that the assembly efficiency of the drive axle is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioner of transaxle equipment to prior art's is not enough, the utility model aims at providing a positioner to improve the packaging efficiency of assembled transaxle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positioning device for a drive axle assembly, comprising:

a base;

the two first installation bases are respectively positioned on two sides of the base, each first installation base is provided with two positioning bases which are arranged along the length direction of the base, positioning grooves which extend along the height direction of the base are arranged on the positioning bases, and the openings of the positioning grooves of the two positioning bases on each first installation base are oppositely arranged;

a first clamping block and a first driving unit for driving the first clamping block to move along the width direction of the base are arranged on one first mounting seat;

the base is provided with a second clamping block and a second driving unit for driving the second clamping block to move along the length direction of the base, and the second driving unit and the first driving unit form a clamping mechanism.

The first driving unit comprises a first screw rod with the extension direction consistent with the width direction of the base and a first handle fixed at the outer end of the first screw rod, the first screw rod is in threaded connection with one of the first mounting seats, and the first clamping block is connected to the inner end of the first screw rod.

The second driving unit comprises a second screw rod with the extending direction consistent with the length direction of the base and a second handle fixed at the outer side end of the second screw rod, the second screw rod is connected to the base in a threaded mode, and the second clamping block is connected to the inner side end of the second screw rod.

A second mounting seat is fixed on the base, and a groove formed by downwards sinking the top surface of the second mounting seat is formed in the second mounting seat.

The upper surface of base is provided with a plurality of draw-in grooves that extend along base length direction, and the bottom of first mount pad and second mount pad all cross-under has fixing bolt, and fixing bolt's nut card is established in the draw-in groove, and fixing bolt's nut is located the bottom top of first mount pad, second mount pad.

One of the first mounting seats is provided with a movable seat and a driving mechanism for driving the movable seat to move along the width direction of the base, and the inner side end surface of the movable seat is provided with a limiting groove which extends from the upper surface to the lower surface of the movable seat.

The driving mechanism comprises a sliding groove, a limiting rod and a shifting rod, wherein the sliding groove is formed in the movable seat, the extending direction of the sliding groove is consistent with the width direction of the base, the limiting rod is fixed on the first mounting seat, the limiting rod is connected in the sliding groove in a penetrating mode, one end of the shifting rod is hinged to the first mounting seat, the outer end of the movable seat is hinged to the middle of the shifting rod, and the other end of the shifting rod forms a shifting end.

The cross section of the positioning groove is arc-shaped.

The beneficial effects of the utility model reside in that:

the utility model discloses when assembling the location to the assembled transaxle, utilize the constant head tank to fix a position U type bolt earlier to U type bolt is the benchmark, fixes a position the upper slide seat, presss from both sides tight upper slide seat through mobilizable first clamp splice and second clamp splice, avoids the upper slide seat to rotate for U type bolt, then places axle housing and lower thrust bar support in proper order, can accomplish the equipment of transaxle, has improved the packaging efficiency and the maneuverability of transaxle.

Drawings

FIG. 1 is a schematic structural diagram of a conventional fabricated drive axle;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a view taken along line A of FIG. 2;

fig. 4 is a view from direction B of fig. 2.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 2, 3, and 4, for the utility model discloses a positioner of transaxle equipment, it includes base 20, two first mount pads 30 are installed respectively in the both sides of base 20, all be provided with two positioning seats 31 on each first mount pad 30, two positioning seats 31 on first mount pad 30 are arranged in the length direction of base 20 (the X in the picture promptly to), a constant head tank 311 has all been seted up on each positioning seat 31, this constant head tank 311 extends along the direction of height of base 20 (the Z in the picture promptly to), the opening of constant head tank 311 all sets up relatively on two positioning seats 31 on each first mount pad 20. A first clamping block 32 and a first driving unit are arranged on one of the first mounting seats 30, the first clamping block 32 is movably mounted on the first mounting seat 30, and can reciprocate along the width direction (i.e. the Y direction in the figure) of the base 20 under the driving of the first driving unit; the base 20 is provided with a second clamping block 42 and a second driving unit, the second clamping block 42 is movably installed on the base 20, the second clamping block 42 can reciprocate along the length direction of the base 20 under the driving of the second driving unit, when the first clamping block 32 moves to the maximum displacement along the Y direction towards the middle part of the width direction of the base 20, the second clamping block 42 can approach towards the first clamping block 42 along the X direction, and at the moment, the second clamping block 42 and the first clamping block 32 are mutually matched to form a clamping mechanism.

When the drive axle is positioned, in a mode of leading to assembly, referring to fig. 2, two U-shaped bolts 13 are respectively arranged on two sides of the axle housing 11, and the U-shaped bolts 13 are assembled from top to bottom, so that two rod parts of the U-shaped bolts 13 respectively slide into the positioning grooves 311 from the tops of the two opposite positioning grooves 311 until the bottoms of the U-shaped bolts 311 contact with the first mounting seat 20, and the two rod parts of the U-shaped bolts 13 are respectively positioned through the two positioning grooves 311; then, the slide seat 12 is placed between the two first mounting seats 30 upside down, so that the arc-shaped connection section of the U-shaped bolt 13 just falls into the groove on the upper slide seat 12, which is matched with the U-shaped bolt 13, at this time, the freedom of the upper slide seat 12 in three directions X, Y, Z is limited by the U-shaped bolt 13, the first clamping block 32 is moved inwards, so that one side of the bottom of the upper slide seat 21 abuts against the first clamping block 32, then the second clamping block 42 is drawn towards the first clamping block 32, the lower part of the upper slide seat 12 is clamped by using the clamping mechanism consisting of the first clamping block 32 and the second clamping block 42, so as to avoid the slide of the upper slide seat 12 along the arc-shaped surface of the U-shaped bolt 13, then, the shaft tube part of the axle housing 11 is placed on the upper slide seat 12 from top to bottom, so that the axial direction of the axle housing 11 is consistent with the length direction of the base 20, and the axle housing 11 is axially positioned, and finally, and (3) arranging the lower thrust rod support 14 on the axle housing 11 opposite to the upper sliding plate support 12, respectively penetrating four top ends of the two U-shaped bolts 13 through four holes reserved on the lower thrust rod support 14, respectively sleeving nuts at the four top ends of the two U-shaped bolts 13, and locking, thereby completing the assembly of the drive axle.

The utility model discloses when assembling the location to the assembled transaxle, utilize the constant head tank to fix a position U type bolt earlier to U type bolt is the benchmark, fixes a position the upper slide seat, presss from both sides tight upper slide seat through mobilizable first clamp splice and second clamp splice, avoids the upper slide seat to rotate for U type bolt, then places axle housing and lower push rod support in proper order, can accomplish the equipment of transaxle, has improved the packaging efficiency and the maneuverability of transaxle.

In order to better position the U-shaped bolt 13 and guide the U-shaped bolt 13 to prevent the angle from deviating when the U-shaped bolt 13 is inserted, the cross section of the positioning groove 311 may be arc-shaped.

The first driving unit includes a first screw 33 and a first handle 34, wherein the extending direction of the first screw 33 is the same as the width direction of the base 20, the first screw is connected to one of the first mounting seats 30 in a penetrating manner and is in threaded fit with the first mounting seat 30, the first handle 34 is fixed at the outer end of the first screw 33, the first clamping block 32 is connected at the inner end of the first screw 33, and when the first handle 34 is rotated, the first clamping block 32 can be driven to move along the width direction of the base 20. The second driving unit includes a second screw 43 and a second handle 44, the gaze direction of the second screw 43 is consistent with the length direction of the base 20, and may be threaded on the base 20 and in threaded engagement with the base 20, the second handle 44 is fixed at the outer end of the second screw 43, the second clamping block 42 is connected at the inner end of the second screw 43, and when the second handle 44 is rotated, the second clamping block 42 can be driven to move along the length direction of the base 20. The first screw 33 and the second screw 43 can be driven by a motor to improve the automation degree, and in other embodiments, the first driving unit and the second driving unit can also be a cylinder, an oil cylinder, or the like.

In order to facilitate carrying out axial positioning to axle housing 11, the utility model discloses still be fixed with a second mount pad 40 on base 20, be provided with a recess 41 that forms by its top surface undercut on this second mount pad 40, when placing axle housing 11, with on the axle housing 11 during fixed braking bottom plate 15 is embedded into recess 41, fix a position the axial position of axle housing 11. Since the second mounting seat 40 is fixed relative to the base 20, the second screw 43 may also be threaded on the second mounting seat 40, so that the second clamping block 42 can be matched with the first clamping block 32 in height position.

In addition, a plurality of clamping grooves 21 are further formed in the upper surface of the base 20, the clamping grooves 21 extend along the length direction of the base 20, fixing bolts 22 penetrate through the bottoms of the first mounting seat 30 and the second mounting seat 40, nuts of the fixing bolts 22 are clamped in the clamping grooves 21, nuts of the fixing bolts 22 are located above the bottoms of the first mounting seat 30 and the second mounting seat 40, the first mounting seat 30 and the second mounting seat 40 can be fixedly connected with the base 20 respectively by tightening the nuts, and when the driving axles of different models are assembled, the nuts can be screwed and loosened to adjust the positions of the first mounting seat 30 and the second mounting seat 40.

The movable seat 50 is movably mounted on the first mounting seat 30 and can move along the width direction of the base 20 under the driving of the driving mechanism, a limiting groove 51 is arranged on the end face of the inner side of the movable seat 50, the limiting groove 51 extends from the upper surface to the lower surface of the movable seat 50, the limiting groove 51 is matched with the convex column 16 on the side face of the lower thrust rod support 14, when the lower thrust rod support 14 is assembled, the movable seat 50 drives the limiting groove 51 to be located at a position close to the inner side, when the lower thrust rod support 14 is placed on the axle housing 11 from top to bottom, the convex column 16 slides into the limiting groove 51 from the top of the limiting groove 51, and the guiding and axial positioning effects are achieved for the assembly of the lower thrust rod support 14. The driving mechanism comprises a sliding groove 501 which is arranged on the movable seat 50 and has the extending direction consistent with the width direction of the base 20, a limiting rod 301 fixed on the first mounting seat 30, and a shifting rod 52, wherein the limiting rod 301 transversely penetrates through the sliding groove 501 and can slide in the sliding groove 501, one end of the shifting rod 52 is hinged on the first mounting seat 30, the outer end of the movable seat 50 is hinged in the middle of the shifting rod 52, the other end of the shifting rod 52 forms a shifting end, and the shifting end of the shifting rod 52 is shifted to drive the movable seat 50 to move along the width direction of the base 20, namely, during assembly, the movable seat 50 is moved to a position close to the inner side, and when a drive axle needs to be taken down after assembly, the movable seat 50 is moved to the position close to the outer side, so that the convex column 16 is separated from the limiting groove 51.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A positioning device for a drive axle assembly, comprising:

a base;

the two first installation seats are respectively positioned at two sides of the base, each first installation seat is provided with two positioning seats which are arranged along the length direction of the base, the positioning seats are provided with positioning grooves which extend along the height direction of the base, and the openings of the positioning grooves of the two positioning seats on each first installation seat are oppositely arranged;

2. The positioning device for the drive axle assembly according to claim 1, wherein the first driving unit includes a first screw rod extending in a direction corresponding to the width direction of the base, a first handle fixed to an outer end of the first screw rod, the first screw rod being screw-coupled to one of the first mounting seats, and a first clamp block connected to an inner end of the first screw rod.

3. The positioning device for the drive axle assembly according to claim 1, wherein the second driving unit includes a second screw rod extending in a direction corresponding to a length direction of the base, a second handle fixed to an outer end of the second screw rod, the second screw rod being screwed to the base, and a second clamp block connected to an inner end of the second screw rod.

4. The positioning device for assembling a driving axle according to claim 1, wherein a second mounting seat is fixed on the base, and the second mounting seat is provided with a groove formed by sinking the top surface of the second mounting seat downwards.

5. The positioning device for the drive axle assembly according to claim 4, wherein the upper surface of the base is provided with a plurality of slots extending along the length direction of the base, the bottom of each of the first mounting seat and the second mounting seat is penetrated with a fixing bolt, the nut of the fixing bolt is clamped in the slot, and the nut of the fixing bolt is positioned above the bottom of each of the first mounting seat and the second mounting seat.

6. The positioning device for a drive axle assembly according to claim 1, wherein a movable seat and a driving mechanism for driving the movable seat to move along the width direction of the base are mounted on one of the first mounting seats, and a limiting groove is formed on an inner end surface of the movable seat and extends from the upper surface to the lower surface of the movable seat.

7. The positioning device for the drive axle assembly according to claim 6, wherein the driving mechanism includes a sliding slot disposed on the movable seat and extending in a direction consistent with the width direction of the base, a limiting rod fixed on the first mounting seat, and a driving lever, the limiting rod is inserted into the sliding slot, one end of the driving lever is hinged on the first mounting seat, the outer end of the movable seat is hinged on the middle portion of the driving lever, and the other end of the driving lever forms a driving end.

8. The drive axle assembly locator of claim 1 wherein the locator slot is arcuate in cross-section.