CN215091788U

CN215091788U - Rocker arm hot-assembling tool for anti-side rolling device

Info

Publication number: CN215091788U
Application number: CN202121114153.0U
Authority: CN
Inventors: 邱仕勇; 邱永红; 杨钉; 邓超
Original assignee: ZHUZHOU GOFRONT EQUIPMENT CO LTD; Zhuzhou Jiufang Equipment Driving Technology Co ltd
Current assignee: ZHUZHOU GOFRONT EQUIPMENT CO LTD; Zhuzhou Jiufang Equipment Driving Technology Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-10
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to a vehicle parts equipment technical field to current frock commonality not strong, the inconvenient defect of hot dress rocking arm, discloses an anti side roll device rocking arm hot dress frock, including workstation and setting the seat that compresses tightly that is used for supporting the torsion bar at the workstation, compress tightly the seat surface and have the face that leans on that supplies the rocking arm to hug closely, compress tightly the seat and be equipped with under the torsion bar supports the position and can make the rocking arm accomplish the fixed location structure of hot dress under the vertical decurrent state of focus. After the rocker arm is preassembled at the end part of the torsion bar, the rocker arm can be assembled and fastened in a naturally drooping state, the rocker arm does not need to be lifted to a certain fixing position, and only the end hole of the rocker arm, the pressing seat and the positioning block need to be connected in series through the pin shaft positioning piece under the condition that the gravity center of the rocker arm is vertically downward; the jack on the compressing seat is designed as a waist hole and is suitable for hot charging of rocker arms with different lengths and specifications, and the sliding rail mechanism is arranged between the bottom plate and the supporting plate, so that the tool can meet the hot charging of torsion bars with different lengths and specifications, and the assembly universality of the tool is enhanced.

Description

Rocker arm hot-assembling tool for anti-side rolling device

Technical Field

The utility model relates to a rail vehicle spare part equipment technical field specifically, relates to an anti side roll device rocking arm hot-filling frock.

Background

At present, when the rocker arm is subjected to hot assembly by a hot assembly tool of an anti-rolling device on the market, the rocker arm is transversely placed, for example, the hot assembly tool of a subway anti-rolling torsion bar connecting rod with the publication number of CN203292780U, a first torsion arm and a second torsion arm of the hot assembly tool are respectively placed on a left panel and a right panel when in hot assembly, and the first torsion arm and the second torsion arm are basically placed in a horizontal state, so that a great deal of inconvenience is brought to the assembly process, and the torsion arms are required to be manually placed on the panels and then fixed.

In addition, at present, vehicle models are numerous, the requirements on the size and the rigidity of an interface of the anti-rolling device are different, so that the diameter of the torsion bar and the distance size of the rocker arm are different, the rocker arm hot-assembly tool of the anti-rolling device of each vehicle model needs to be redesigned and manufactured, the manufacturing cost of the tool is high, the rocker arm hot-assembly tool needs to be replaced when different vehicle models are assembled, the working efficiency is low, and the assembly precision cannot be guaranteed due to frequent replacement of the tool.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's defect, provide an anti side roll device rocking arm hot-filling frock that hot-filling convenient and fast, commonality are strong.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides an anti side roll device rocking arm hot dress frock, includes the workstation and sets up the compressing tightly seat that is used for supporting the torsion bar on the workstation in order to carry out the rocking arm hot dress, compresses tightly the seat surface and has the tight face that leans on that supplies the rocking arm to hug closely, compresses tightly the seat and is equipped with under the torsion bar support position and can make the rocking arm accomplish the fixed location structure of hot dress under the vertical decurrent state of focus.

Furthermore, the positioning structure comprises a jack which is arranged on the pressing seat and corresponds to the position of the end hole of the rocker arm, and a positioning piece which is inserted in the end hole of the rocker arm and the jack.

Furthermore, the jack is designed to be a waist hole extending towards the vertical direction, the positioning structure further comprises a positioning block attached to the pressing seat, positioning holes corresponding to the positions of the jack and the end hole of the rocker arm are formed in the positioning block, the positioning block is inserted into the positioning holes, the end portions of the positioning block located on two sides of the jack are respectively provided with a locking hole enabling the positioning block to be fixed relative to the position of the pressing seat, a through hole corresponding to the position of the locking hole is formed in the pressing seat, and a locking positioning block is arranged in the locking hole and the through hole.

Still further, the locking hole designs for the waist hole that extends towards vertical direction, and the through-hole on the compressing tightly seat is provided with a plurality ofly along jack extending direction.

Further, the workstation includes bottom plate and backup pad, compresses tightly the seat and installs in the backup pad, has slide rail mechanism between bottom plate and the backup pad to make the backup pad can slide along bottom plate length direction, still be equipped with on the bottom plate and carry out the spacing hole of restriction to backup pad sliding position, spacing downthehole locating part that sets up.

Furthermore, the limiting holes are formed in the bottom plate, and the limiting holes are arranged along the extending direction of the sliding rail mechanism.

Furthermore, a through hole for the limiting part to penetrate through is formed in the supporting plate.

Still further, the locating part is the taper pin.

Further, a plurality of pressing seats are arranged in the width direction of the workbench and share the supporting plate.

Furthermore, the limiting hole is located in the center between any two adjacent pressing seats.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) after the rocker arm is preassembled at the end part of the torsion bar, the rocker arm can be assembled and fastened in a naturally drooping state, the rocker arm does not need to be lifted to a certain fixing position, and only the end hole of the rocker arm, the pressing seat and the positioning block need to be connected in series through the pin shaft positioning piece under the condition that the gravity center of the rocker arm is vertically downward;

2) the jack on the pressing seat is designed as a waist hole, and is suitable for hot charging of rocker arms with different lengths and specifications, the slide rail mechanism is arranged between the bottom plate and the support plate, and the position of the support plate can be flexibly changed, so that the tool can meet the hot charging of torsion bars with different lengths and specifications, and the assembly universality of the tool is enhanced;

3) the backup pad adopts the taper pin location for the locate mode of bottom plate, and the backup pad can cancel fast at any time spacingly, can be spacing fast when needs location, convenient operation, labour saving and time saving make the frock precision higher with the spacing mode of taper pin simultaneously, and hot dress precision more can obtain guaranteeing.

Drawings

FIG. 1 is a schematic working diagram of a rocker arm hot-fitting tool of an anti-roll device;

FIG. 2 is a top view of an anti-roll device rocker arm hot-pack fixture;

fig. 3 is a sectional view taken along line a-a of fig. 2.

Detailed Description

The invention will be further described with reference to specific embodiments, wherein the drawings are designed solely for the purpose of illustration and not as a definition of the limits of the patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 2 and fig. 3, the rocker arm hot-fitting tool of the anti-rolling device comprises a workbench 1 and a pressing seat 2 arranged on the workbench for supporting a torsion bar 8 to perform hot-fitting on a rocker arm 9, the workbench 1 comprises a bottom plate 11 and a supporting plate 12, the pressing seat 2 is mounted on the supporting plate 12, a slide rail mechanism is arranged between the bottom plate 11 and the supporting plate 12 to enable the supporting plate 12 to slide along the length direction of the bottom plate 11, the slide rail mechanism adopts a conventional rail 13 and slider 14 combination design, the bottom plate 11 is provided with a baffle 15 at the tail end of the rail for preventing the slider 14 from falling off the rail, the bottom plate 11 is provided with a limiting hole 111 for limiting the sliding position of the supporting plate 12, the limiting piece 3 is arranged in the limiting hole to fix the position of the supporting plate 12, the supporting plate 12 is correspondingly provided with a through hole 121 for the limiting piece 3 to penetrate, when the supporting plate 12 needs to be limited, the limiting piece 3 is sequentially inserted into the through hole 121 and the limiting hole 111 to complete the position fixing of the supporting plate 12, the limiting holes are formed in the bottom plate 11 and are arranged along the extending direction of the rail 13, so that the supporting plate 12 can be conveniently positioned at a selected point according to the length requirement of the torsion bar, preferably, the limiting piece 3 is a taper pin, the limiting hole 111 in the bottom plate is a matched taper hole, the taper pin 3 can be easily inserted and taken out, the supporting plate 12 can be quickly moved or limited, the operation is convenient, time and labor are saved, in addition, the taper pin positioning can enable the tooling precision to be higher compared with the bolt positioning, the positioning size is not easy to change, and the hot-assembling precision is easier to guarantee.

As shown in fig. 1 and 3, the compression base 2 has a V-shaped groove support location 21 for placing the torsion bar, and a hold-down structure 4 is arranged above the support location to hold down the torsion bar 8 (the hold-down structure is a prior art); the surface of the pressing seat facing the outer side of the tool is provided with a close surface 22 for the rocker arm 9 to be tightly attached, and a positioning structure which can enable the rocker arm to complete hot-mounting and fixing in a state that the gravity center is vertically downward is arranged right below the torsion bar supporting position of the pressing seat 2.

As shown in fig. 3, the positioning structure includes a jack 23 disposed on the pressing base 2 and corresponding to the end hole position of the rocker arm, the jack is designed as a waist hole extending in the vertical direction, the positioning structure further includes a positioning block 5 attached to the pressing base 2, the positioning block 5 and the rocker arm 9 are respectively disposed on both sides of the pressing base 2, the positioning block 5 is provided with a positioning hole 51 corresponding to the jack 23 and the end hole position of the rocker arm, the ends of the positioning block 5 located on both sides of the jack are respectively provided with a locking hole 52 capable of fixing the positioning block relative to the pressing base, the locking hole 52 is designed as a waist hole extending in the vertical direction, the pressing base 2 is provided with a plurality of through holes 24 corresponding to the locking hole position in the vertical direction, the positioning block 5 is further provided with a pre-tightening hole 53 for pre-tightening the positioning block and the pressing base before the positioning block is locked, the pre-tightening holes 53 are distributed on both sides of the positioning hole 51, the pressing base 2 is provided with a pre-tightening hole 25 corresponding to the pre-tightening hole, a plurality of pre-positioning holes are also arranged in the vertical direction, and pre-positioning of the positioning block 5 can be realized by inserting pin shafts into the pre-tightening holes 53 of the positioning block and the pre-positioning holes 25 of the pressing seat; the design of the positioning structure greatly enhances the hot charging universality of the tool for rocker arms with different lengths and specifications; after the positioning block 5 is pre-positioned on the pressing seat 2 according to the specification and the size of the rocker arm, the locking piece 6 is inserted into the positioning block locking hole 53 and the pressing seat through hole 24 for locking, so that the positioning block 5 is fixed in position, when the rocker arm 9 is pre-assembled on the torsion bar 8 and the gravity center of the rocker arm is vertically downward, the positioning piece 7 is sequentially inserted into the rocker arm end hole, the pressing seat insertion hole 23 and the positioning block positioning hole 51, and then the rocker arm cooling link can be achieved. The positioning member 7 is preferably a cylindrical pin and the locking member 6 is typically a bolt assembly.

A plurality of pressing seats 2 can be arranged in the width direction of the workbench 1, the plurality of pressing seats share the supporting plate 12, and a limiting hole 111 on the bottom plate is arranged at the central position between any two adjacent pressing seats 2; the frock can carry out the multistation equipment this moment, and the packaging efficiency can promote by a wide margin.

The working process of the tool of the embodiment is as follows: positioning a support plate at one end of the torsion bar placing direction and a bottom plate through a taper pin, and moving the support plate at the other end to a corresponding position according to the distance size of rocker arms of the torsion bar and then positioning the support plate and the bottom plate through the taper pin; then moving the positioning block to a corresponding position according to the specification and the size of the rocker arm, pre-positioning by using a pin shaft, and then locking and fastening the positioning block by using a bolt assembly; the torsion bar is placed on a V-shaped groove supporting position of a pressing seat, after the position is adjusted, the torsion bar is pressed and fixed by adopting a pressing structure, so that the torsion bar cannot rotate and move freely, a heated rocker arm is arranged at one end of the torsion bar, the rocker arm slightly rotates and is pressed, the end surface of the inner side of the rocker arm is tightly attached to a pressing seat, then a cylindrical pin is sequentially arranged through a rocker arm end hole, a pressing seat inserting hole and a positioning block positioning hole, the hot-mounting and fixing of the rocker arm are completed, and then the torsion bar is held tightly only by waiting for the cooling of the rocker arm; and after the rocker arm on one side is cooled and tightly clasped with the torsion bar, hot-assembling the rocker arm on the other side of the torsion bar by adopting the steps.

When the rocker arms of the anti-rolling devices of different vehicle types are hot-assembled, the taper pins at the supporting plates at one ends are knocked out, the supporting plates are moved to corresponding positions according to the spacing size of the rocker arms of the torsion bar, the taper pins are inserted, the positioning blocks on the pressing seats at the two ends are moved to corresponding positions according to the specification size of the rocker arms, the positioning blocks are fastened by the screw assemblies after being positioned by the pin shafts, and the rocker arms are hot-assembled according to the same method.

It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides an anti side roll device rocking arm hot dress frock which characterized in that, includes the workstation and sets up the compressing tightly seat that is used for supporting the torsion bar on the workstation in order to carry out the rocking arm hot dress, and compressing tightly seat surface has the tight face that leans on that supplies the rocking arm to hug closely, and compressing tightly seat is equipped with under the torsion bar support position and can make the rocking arm accomplish the fixed location structure of hot dress under the vertical downward state of focus.

2. The hot-fitting tool for the rocker arm of the anti-rolling device according to claim 1, wherein the positioning structure comprises an insertion hole which is formed in the pressing seat and corresponds to the position of the end hole of the rocker arm, and a positioning piece which is inserted into the end hole of the rocker arm and the insertion hole.

3. The hot-fitting tool for the rocker arm of the anti-rolling device according to claim 2, wherein the jack is designed as a waist hole extending in the vertical direction, the positioning structure further comprises a positioning block attached to the pressing seat, positioning holes corresponding to the positions of the jack and the end hole of the rocker arm are formed in the positioning block, the positioning block is inserted into the positioning holes, locking holes for fixing the positioning block relative to the pressing seat are respectively formed in the end portions of the positioning block located on the two sides of the jack, through holes corresponding to the positions of the locking holes are formed in the pressing seat, and locking positioning blocks are arranged in the locking holes and the through holes.

4. The hot-fitting tool for the rocker arm of the anti-rolling device according to claim 3, wherein the locking hole is a waist hole extending in the vertical direction, and a plurality of through holes in the pressing seat are formed in the extending direction of the insertion hole.

5. The hot-fitting tool for the rocker arm of the anti-rolling device according to any one of claims 1 to 4, wherein the workbench comprises a bottom plate and a support plate, the pressing seat is mounted on the support plate, a slide rail mechanism is arranged between the bottom plate and the support plate so that the support plate can slide along the length direction of the bottom plate, a limiting hole for limiting the sliding position of the support plate is further arranged on the bottom plate, and a limiting part is arranged in the limiting hole.

6. The hot-fitting tool for the rocker arm of the anti-rolling device according to claim 5, wherein the bottom plate is provided with a plurality of limiting holes, and the plurality of limiting holes are arranged along the extension direction of the sliding rail mechanism.

7. The hot-fitting tool for the rocker arm of the anti-rolling device according to claim 6, wherein the supporting plate is provided with a through hole for the limiting part to penetrate through.

8. The tool for hot-fitting the rocker arm of the anti-rolling device according to claim 6 or 7, wherein the limiting member is a taper pin.

9. The hot-fitting tool for the rocker arm of the anti-rolling device according to claim 5, wherein a plurality of pressing seats are arranged in the width direction of the workbench and share the supporting plate.

10. The hot-fitting tool for the rocker arm of the anti-rolling device according to claim 9, wherein the limiting hole is located at the center between any two adjacent pressing seats.