CN202622338U

CN202622338U - Device for adjusting Y-direction accuracy of large-span cross beam

Info

Publication number: CN202622338U
Application number: CN 201220120823
Authority: CN
Inventors: 徐德炜; 张斌; 刘鑫; 刘立新; 唐银春
Original assignee: SICHUAN CHANGZHENG MACHINE TOOL GROUP CO Ltd
Current assignee: SICHUAN CHANGZHENG MACHINE TOOL GROUP CO Ltd
Priority date: 2012-03-28
Filing date: 2012-03-28
Publication date: 2012-12-26
Anticipated expiration: 2022-03-28

Abstract

The utility model discloses a device for adjusting Y-direction accuracy of large-span cross beam. The device comprises a cross beam and end plates respectively fixed at the two ends of the cross beam and is characterized in that fixed blocks which are respectively arranged at the front, the rear and the lower part are fixedly connected with the inner side of the end plate; a support beam is arranged in the cross beam; the two ends of the support beam are respectively arranged in groove shapes among the fixed blocks which are respectively arranged at the front, the rear and the lower part; a plurality of nuts are arranged at the upper part of the cross beam along the axis direction; and a plurality of bolts pass through the respective nuts and push against the upper end of the support beam. The device has the advantages of simple structure, convenience in adjustment, short period and obvious effects.

Description

Adjust the device of big span crossbeam Y to precision

Technical field

The utility model relates to a kind of device from Y to precision that adjust big span crossbeam precision, particularly.

Background technology

Concerning the Longmen machine tool that crossbeam moves; Its span is big more, and crossbeam is because of the deadweight distortion, and its Y just cannot say for sure to demonstrate,prove to precision more; Traditional method is to adopt reversible deformation to process to revise; But correction value is difficult for grasping, and needs to grope through repetition test, makes that the assembly work amount is big, the cycle is long, effect is not obvious.

The utility model content

The purpose of the utility model is the above-mentioned deficiency to prior art, and a kind of device from big span crossbeam Y to precision that adjust is provided, it have simple in structure, easy to adjust, the cycle short, the outstanding effect advantage.

For achieving the above object; The big span crossbeam of the adjustment of the utility model Y is to the device of precision, comprises crossbeam, is fixed in the end plate at crossbeam two ends, it is characterized in that medial surface at end plate all be fixedly connected be positioned at forward and backward side with below fixed block; Be provided with a brace summer in crossbeam inside; The two ends of brace summer lay respectively in the flute profile between forward and backward side and the below fixed block, are fixed with several nuts on crossbeam top along its axis direction, and several bolts pass the upper end that separately nut holds out against brace summer.

Hold out against the upper end of brace summer through bolt, crossbeam bears reaction force, offsetting deadweight to the influence of Y to precision, and simple in structure, easy to adjust, the cycle short, the adjustment effect is obvious;

Further improvement as the utility model is fixed with several nuts at the crossbeam rear portion along its axis direction, and several bolts pass the rear end that separately nut holds out against brace summer; Bolt through the rear portion also can be adjusted the precision of crossbeam on other direction;

As the further improvement of the utility model, between every bolt end and brace summer, be equipped with cushion block; Through cushion block, the distortion of brace summer is more even, and the reaction force that crossbeam bears is more even equally, can improve the adjustment precision;

In sum, the utlity model has short, outstanding effect advantage of simple in structure, easy to adjust, cycle.

Description of drawings

Fig. 1 is the vertical view of the utility model embodiment.

Fig. 2 is the cutaway view of A-A among Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is done further detailed explanation.

By illustrated in figures 1 and 2; This adjusts the device of big span crossbeam Y to precision, comprise crossbeam 1, be fixed in the end plate 2 at crossbeam two ends, the medial surface of end plate 2 all be fixedly connected be positioned at forward and backward side with below fixed block 3; Be provided with a brace summer 4 in crossbeam 1 inside; The two ends of brace summer 4 lay respectively in the flute profile between forward and backward side and the below fixed block 3, are welded with the nut 5 that 5, three bolts 6 of three nuts pass separately on crossbeam 1 top along its axis direction and hold out against the cushion block 7 that is positioned at brace summer 4 upper ends; Be fixed with 8, three bolts 9 of three nuts at crossbeam 1 rear portion along its axis direction and pass the cushion block 10 that separately nut 8 holds out against brace summer 4 rear ends;

The utility model holds out against the upper end and the rear end of brace summer 4 through each bolt 6,8 and cushion block 7,10, and crossbeam 1 bears reaction force, and to offset deadweight to the influence of Y to precision and side direction precision, its adjusted value is determined by pressure; Through cushion block 7,10, the distortion of brace summer 4 is more even, and the reaction force that crossbeam 1 bears is more even equally, can improve the adjustment precision; The utlity model has short, outstanding effect advantage of simple in structure, easy to adjust, cycle.

Claims

1. the big span crossbeam Y of adjustment is to the device of precision; Comprise crossbeam, be fixed in the end plate at crossbeam two ends; It is characterized in that medial surface at end plate all be fixedly connected be positioned at forward and backward side with below fixed block, be provided with a brace summer in crossbeam inside, the two ends of brace summer lay respectively in the flute profile between forward and backward side and the below fixed block; Be fixed with several nuts on crossbeam top along its axis direction, several bolts pass the upper end that separately nut holds out against brace summer.

2. the big span crossbeam of adjustment as claimed in claim 1 Y is characterized in that being fixed with several nuts at the crossbeam rear portion along its axis direction to the device of precision, and several bolts pass the rear end that separately nut holds out against brace summer.

3. according to claim 1 or claim 2 the big span crossbeam of adjustment Y is characterized in that between every bolt end and brace summer, being equipped with cushion block to the device of precision.