CN201955038U

CN201955038U - Spiral seat lift measuring tool

Info

Publication number: CN201955038U
Application number: CN2010206299090U
Authority: CN
Inventors: 代丽惠; 邓化通
Original assignee: Longchang Shanchuan Precision Welded Tube Co Ltd
Current assignee: Longchang Shanchuan Precision Welded Tube Co Ltd
Priority date: 2010-11-29
Filing date: 2010-11-29
Publication date: 2011-08-31
Anticipated expiration: 2020-11-29

Abstract

The utility model discloses a spiral seat lift measuring tool which comprises a base and a support, and is characterized in that the support is fixedly connected with a connection block which is provided with a longitudinal sliding block by a screw-nut pair; the sliding block is fixedly connected with a dial indicator frame which is fixedly provided with a plurality of dial indicators; the base is fixedly provided with a plurality of lift thimbles; each lift thimble corresponds to the respective dial indicator in position; a longitudinal positioning core shaft penetrates through the base in a sliding way; an elastic expansion sheath is sheathed outside the positioning core shaft above the base; and a cone with a large upper part and a small lower part is arranged at the top end of the positioning core shaft. The spiral seat lift measuring tool has the advantages of being simple to operate and accurate in detection, and is capable of acquiring actually-measured data of each point of spiral lift and judging the conformity of parts more actually.

Description

Spiral base lift measurer

Technical field

The utility model relates to a kind of spiral base lift measurer, especially for the lift measurer of vibration damper coil spring seat.

Background technology

As depicted in figs. 1 and 2, spring base 11 on the automobile bracket of shock absorber external structure is that a profile is than complicated parts, though it is variant on each product spring base profile, but its design concept, the assembling principle is identical, wherein the helicoid lift (is the b point, the c point, the d point, the fore-and-aft distance that the e point is ordered with respect to a respectively) be one of its important technology index, whether lift meets technical requirement will directly have influence on vibration damper complement when assembling, can volute spring and spring base fit well, firmly, not crooked, the situation severe patient also will cause abnormal sound occurring in the vibration damper use if lift exceeds standard, quality problems such as inefficacy.For the detection of spring base helicoid lift, traditional approach is to make helicoid lift special measuring tool, and as shown in Figure 3, this measurer is formed by measuring plate 12, several measuring heads 13 and handle 14; With after each measuring head of measurer 13 and the corresponding spring base 15 each point closings, fill in the gap of each point and 13 on gage measuring head respectively during detection, be no more than the regulation requirement as the standard of judging that the helicoid lift is whether qualified with the specification of filling in clearance gauge with clearance gauge.Because spring base 15 lift faces are helicoid, the outside of helicoid is that interior rounding off, inboard are crossed for cylindrical slips over, when detecting simultaneously between spring base 15 and measurer no any position degree cooperate connection, therefore during closing each the lift points position on the spring base entirely with range estimation, cause not only being difficult to operation with this detection mode reviewer, testing result is true inadequately, and finally can only judge the spring base lift whether in acceptability limit, and can not obtain the lift data of each lift points accurately.

The utility model content

The purpose of this utility model is the above-mentioned deficiency at prior art, and a kind of spiral base lift measurer is provided, it have simple to operate, detect advantage accurately, and can obtain the measured data of spiral lift each point, accordance that can more real judgement part.

For achieving the above object, spiral base lift measurer of the present utility model comprises base, support, it is characterized in that on support, being fixedly connected with contiguous block, contiguous block is equipped with sliding shoe longitudinally by leading screw-pair of nut, and sliding shoe is fixedly connected with indicator bracket, is installed with several dial gauges on the indicator bracket; Also be installed with several lift thimbles on base, each lift thimble is corresponding on the position with a dial gauge separately; One longitudinally positioning core axle slide pass base, the flexible expansion set of positioning core axle overcoat above base, the top of positioning core axle is provided with one section up big and down small cone.

The utility model is determined each lift pitch of enters size according to each lift points relative position of spiral base distance, and promptly the face that couples together of each lift thimble summit is the lift face of spiral base; During detection, rotating sliding shoe slowly moves down indicator bracket, make the gauge head of all dial gauges can fully contact corresponding lift thimble, again all dial gauges are made zero, rotating sliding shoe more slowly moves up indicator bracket, make the gauge head of all dial gauges leave corresponding lift thimble to put into tested part, the hole of tested spiral base is penetrated elastic expansion sleeve, simultaneously each lift points correspondence of spiral base is placed on each lift thimble, drop-down positioning core axle makes elastic expansion sleeve expand, the spiral base swelling is located, rotating sliding shoe more slowly moves down indicator bracket, make the abundant contact spring seat of gauge head energy of all dial gauges, range estimation dial gauge and reading, write down all dial gauge data, rotating sliding shoe more slowly moves up indicator bracket, take out tested part, each lift points measured data of spiral base can followingly be calculated: example: b point spiral lift H=H1+(B-A) wherein: H1 is the spiral lift nominal size that a point and b are ordered on the spring base, B is a b point dial gauge reading, A is an a point dial gauge reading, and all the other each point spiral lift actual measurement sizes are calculated one by one according to example;

The utility model can carry out accurate in locating to workpiece, lift thimble and dial gauge, not only have simple to operate, detect advantage accurately, and can obtain the measured data of spiral lift each point, accordance that can more real judgement part.

Description of drawings

Fig. 1 is the front view of vibration damper upper spring seat.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the user mode figure of existing helicoid lift special measuring tool

Fig. 4 is the front view of the utility model embodiment.

Embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail.

As shown in Figure 4, this spiral base lift measurer comprises base 1, support 2, on support 2, be fixedly connected with contiguous block 3, contiguous block 3 is equipped with sliding shoe 4 longitudinally by leading screw-pair of nut, and sliding shoe 4 is fixedly connected with indicator bracket 5, is installed with three dial gauges 6 on the indicator bracket 5; Also be installed with three lift thimbles 7 on base 1, each lift thimble 7 is corresponding on the position with a dial gauge 6 separately; One longitudinally positioning core axle 8 slide pass base 1, the flexible expansion set 9 of positioning core axle 8 overcoats above base 1, the top of positioning core axle 8 is provided with one section up big and down small cone.

The utility model is determined the height dimension of each lift thimble 7 according to each lift points relative positions distance of spiral base 10, and promptly the face that couples together of each lift thimble 7 summit is the lift face of spiral base; During detection, rotating sliding shoe 4 slowly moves down indicator bracket 5, make the gauge head of all dial gauges 6 can fully contact corresponding lift thimble 7, again all dial gauges are made zero, rotating sliding shoe 4 more slowly moves up indicator bracket 5, make the gauge head of all dial gauges 6 leave corresponding lift thimble 7 to put into tested spiral base 10, the hole of tested spiral base 10 is penetrated elastic expansion sleeve 9, simultaneously spiral base 10 each lift points correspondence are placed on each lift thimble 7, drop-down positioning core axle 8 makes elastic expansion sleeve 9 outwards expand, spiral base 10 swellings are located, rotating sliding shoe 4 more slowly moves down indicator bracket 5, make the gauge head of all dial gauges 6 can fully contact spiral base 10, range estimation dial gauge and reading, write down all dial gauge data, rotating sliding shoe 4 more slowly moves up indicator bracket 5, take out tested part, spiral base 10 each lift points measured data can followingly be calculated: example: b point spiral lift H=H1+(B-A) wherein: H1 is the spiral lift nominal size that a point and b are ordered on the spiral base 10, B is a b point dial gauge reading, A is an a point dial gauge reading, and all the other each point spiral lift actual measurement sizes are calculated one by one according to example;

The utility model can carry out accurate in locating to spiral base 10, lift thimble 7 and dial gauge 6, not only have simple to operate, detect advantage accurately, and can obtain the measured data of spiral lift each point, accordance that can more real judgement part.

Claims

1. a spiral base lift measurer comprises base, support, it is characterized in that being fixedly connected with on support contiguous block, and contiguous block is equipped with sliding shoe longitudinally by leading screw-pair of nut, and sliding shoe is fixedly connected with indicator bracket, is installed with several dial gauges on the indicator bracket; Also be installed with several lift thimbles on base, each lift thimble is corresponding on the position with a dial gauge separately; One longitudinally positioning core axle slide pass base, the flexible expansion set of positioning core axle overcoat above base, the top of positioning core axle is provided with one section up big and down small cone.