CN-121978705-A - Dimension measuring device and measuring method for assembled component

CN121978705ACN 121978705 ACN121978705 ACN 121978705ACN-121978705-A

Abstract

The invention relates to the technical field of dimension measurement, in particular to a dimension measurement device and a dimension measurement method for an assembled component, wherein the dimension measurement device comprises a reference disc, a locking assembly, a flatness measurement mechanism and three groups of feeler levers, and a notch is formed in the reference disc; the device comprises a reference disc, a locking assembly, a flatness measuring mechanism, a positioning mechanism and a flatness measuring mechanism, wherein the reference disc is provided with a plurality of laser range finders which are distributed along the radial direction, correspond to gaps and are used for measuring the distance between the reference disc and the assembled component, the locking assembly is used for locking/unlocking rotation of the reference disc and the reference disc, three groups of feelers are distributed along the circumferential direction, each group of feelers comprises at least four feelers, the feelers of the same group are distributed along the radial direction, the feelers are vertical and penetrate through the reference disc and can elastically slide along the length direction of the feelers, and can be in contact with the assembled component, and the flatness measuring mechanism is used for determining the flatness of the assembled component according to the difference of the positions where the feelers of the same group are in contact with the assembled component. Therefore, the measuring standard can be ensured, and the measuring efficiency can be improved.

Inventors

WANG JIANGANG
ZHANG JIANFENG
SHI SHUAI
MA YUJIE
HAO JING

Assignees

博园信息科技(陕西)有限公司

Dates

Publication Date: 20260505
Application Date: 20260408

Claims (10)

1. The size measuring device of the assembled component is characterized by comprising a reference disc, a locking assembly, a flatness measuring mechanism and three groups of feeler levers; the reference disc can rotate around the axis of the reference disc and can move along the axis direction of the reference disc; The reference disc is provided with a plurality of laser range finders which are distributed along the radial direction, correspond to the notches and are configured to be capable of measuring the distance between the assembly type components; the locking assembly is configured to lock/unlock rotation of the reference disc and the reference disc; The three groups of feelers are circumferentially distributed, each group of feelers comprises at least four feelers, and the feelers of the same group are radially distributed; the flatness measuring mechanism is configured to be able to determine flatness of the fabricated member according to a difference in a position where the same set of feeler lever and the fabricated member are in contact.
2. The size measurement device for the assembled component according to claim 1 is characterized in that a plurality of support rods are vertically arranged on the inner disc surface of a reference disc, the support rods are divided into three groups along the circumferential direction and are respectively arranged corresponding to the three groups of contact rods, the flatness measurement mechanism comprises three flatness measurement units which are circumferentially distributed and are respectively arranged corresponding to the three groups of contact rods, each flatness measurement unit comprises a measurement unidirectional component, an adjusting frame and two limiting frames, the adjusting frame and the two limiting frames are simultaneously and elastically sleeved on the support rods of the same group in a sliding mode, balls are movably inserted on the adjusting frame and can be in contact with the reference disc, the two limiting frames are oppositely arranged, limiting plates are arranged on the inner side of each limiting frame, the limiting plates and the reference disc are arranged in parallel and can elastically slide along the direction parallel to the axis of the reference disc, mounting seats are fixedly arranged on each contact rod and are located between the two limiting plates, a first stop block and a second stop block are inserted in each mounting seat, the first stop block and the second stop block can be elastically sleeved on the support rods along the direction perpendicular to the axis of the reference disc, the two stop blocks can be matched with the two stop blocks in a sliding mode, and the two stop blocks can be correspondingly arranged in a sliding mode, and can be matched with the two stop blocks can be correspondingly arranged along the direction.
3. The device for measuring the size of the assembled component according to claim 2, wherein the measuring unidirectional component comprises a ratchet bar and an indication bar which are arranged in parallel, the ratchet bar is vertically and fixedly arranged on one limiting plate, the indication bar can be detachably arranged on the other limiting plate and is provided with scales, and the indication bar is provided with a clamping protrusion which can elastically slide along the direction perpendicular to the extending direction of the indication bar and can be in unidirectional clamping connection with the ratchet bar.
4. The device for measuring the size of the assembled component according to claim 2, wherein the adjusting frame is connected with the limiting frame through a first elastic piece, the first elastic piece is a first spring, two first springs are sleeved on each supporting rod, one first spring is connected between the adjusting frame and one limiting frame, and the other first spring is connected between the adjusting frame and the other limiting frame.
5. The dimensional measuring device of fabricated components of claim 2, wherein a second elastic member is connected between the spacing frame and the spacing plate.
6. The dimensional measuring device of fabricated components of claim 5, wherein the second elastic member is a second spring.
7. The dimensional measuring device of fabricated components of claim 6, wherein the number of second springs connected between the spacing frame and the spacing plate is plural, the plurality of second springs being disposed side by side.
8. The device for measuring the size of the assembled component according to claim 1, wherein a third elastic piece is connected between each feeler lever and the reference disc, the third elastic piece is a third spring, and the third spring is sleeved on the feeler lever.
9. The dimensional measurement device of fabricated components of claim 1, wherein the reference plate is provided with a ball seat, the ball seat is hollow, the reference plate is provided with a ball sleeve, the ball sleeve is sleeved on the ball seat, the locking assembly comprises a fluid pump and a plurality of slips, the fluid pump is communicated with the ball seat and is configured to input fluid into the ball seat, the slips are embedded in the ball side wall of the ball seat along the circumferential direction, can slide outwards along the radial direction under the pressure of the fluid, and can form friction locking with the ball sleeve side wall.
10. A method for measuring the dimensions of a fabricated component, using the apparatus for measuring the dimensions of a fabricated component according to claim 1, comprising the steps of: S1, driving a reference disc to move along the axis direction until all the feelers are contacted with the assembly type component, and determining flatness A11, A21 and A31 of the assembly type component through a flatness measuring mechanism; S2, adjusting the reference disc to be parallel to the assembly type component according to the flatness A11, A21 and A31 of the assembly type component; s3, locking the rotation of the reference disc and the reference disc through a locking assembly; S4, dividing the wall surface to be measured of the assembly type component into a plurality of areas to be measured; s5, carrying out flatness measurement on a plurality of areas to be measured sequentially according to the following steps: s51, moving the reference disc to correspond to the region to be detected; s52, driving the reference disc to move along the axis direction until all the feelers are contacted with the assembly type component, and determining flatness A12, A22 and A32 of the assembly type component through a flatness measuring mechanism; s53, driving the reference coil to rotate around the axis thereof, determining the flatness a 13..the assembled component, A1N, a 23..the assembled component, A2N, a 33..the assembled component, A3N; s54, when flatness a12 of the fitting type member, A1N, a22, a32. the distance between the assembled components is measured by a laser rangefinder when A3N is outside a preset range.

Description

Dimension measuring device and measuring method for assembled component Technical Field The invention relates to the technical field of dimension measurement, in particular to a dimension measurement device and a dimension measurement method for an assembled component. Background The assembled component is used as a core carrier for building industrialization, is a building component produced according to unified standards in factory environment, has obvious advantages in the aspects of improving construction efficiency, guaranteeing engineering quality stability, reducing environmental disturbance in construction process and the like through a cooperative mode of standardized production and field assembly, is widely applied to multiple scenes such as residential buildings, commercial complexes, public infrastructures and the like, and becomes a key technical support for promoting the transformation of the building industry from a traditional cast-in-situ mode to an industrialized mode. The dimensional accuracy is a core precondition for realizing efficient assembly and structural safety of the assembled components, so that systematic dimensional measurement work is required to be carried out in the process of manufacturing, delivery to the field and field installation of the assembled components. The measuring system core is constructed around the quantized component geometric characteristic parameters, and specifically covers three categories of linear dimension, angle dimension and form and position tolerance dimension, wherein flatness indexes in the form and position tolerance dimension are directly related to assembly fitting degree and structural stress uniformity of assembly components, and are one of key contents of measuring work. When flatness measurement is carried out on the assembled component, the plate-shaped structure, especially the plate with larger area, is often directly placed on the ground for measurement in a construction site, however, the unevenness of the ground can directly lead to the assembled component not to be horizontally or vertically placed, and the laser detection instrument is often suspended above or beside the assembled component, so that the problem of inaccurate measurement result caused by the unevenness of the placement of the assembled component is easily caused in the measurement process, and meanwhile, the laser detection instrument needs to measure the whole plate surface of the assembled component during measurement, so that the measurement efficiency is influenced. Disclosure of Invention Based on the above, it is necessary to provide a dimension measuring device and a dimension measuring method for a fabricated member, aiming at the problems of inaccurate measurement results and low measurement efficiency in the dimension measuring process of the fabricated member at present. The above purpose is achieved by the following technical scheme: the size measuring device of the assembled component comprises a reference disc, a locking assembly, a flatness measuring mechanism and three groups of feeler levers; the reference disc can rotate around the axis of the reference disc and can move along the axis direction of the reference disc; The reference disc is provided with a plurality of laser range finders which are distributed along the radial direction, correspond to the notches and are configured to be capable of measuring the distance between the assembly type components; the locking assembly is configured to lock/unlock rotation of the reference disc and the reference disc; The three groups of feelers are circumferentially distributed, each group of feelers comprises at least four feelers, and the feelers of the same group are radially distributed; the flatness measuring mechanism is configured to be able to determine flatness of the fabricated member according to a difference in a position where the same set of feeler lever and the fabricated member are in contact. The flatness measuring mechanism comprises three flatness measuring units which are distributed along the circumferential direction and are respectively arranged corresponding to the three groups of contact rods, each flatness measuring unit comprises a measuring one-way component, an adjusting frame and two limiting frames, the adjusting frame and the two limiting frames are simultaneously and elastically sleeved on the same group of supporting rods in a sliding mode, balls are movably inserted on the adjusting frame and can be in contact with the reference disc, the two limiting frames are oppositely arranged, limiting plates are arranged on the inner side of each limiting frame and can be in parallel arrangement with the reference disc and can elastically slide along the direction parallel to the axis of the reference disc, mounting seats are fixedly arranged on each contact rod and are positioned between the two limiting plates, a first stop block and a second stop block are inserted into each