CN112025410B

CN112025410B - Quick positioning and measuring device for rotary parts

Info

Publication number: CN112025410B
Application number: CN202010744157.0A
Authority: CN
Inventors: 田毅; 王涛; 李屹东; 徐龙; 韩廷明
Original assignee: Chengdu Aircraft Industrial Group Co Ltd
Current assignee: Chengdu Aircraft Industrial Group Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-08-03
Anticipated expiration: 2040-07-29
Also published as: CN112025410A

Abstract

The application relates to the technical field of machining and discloses a quick positioning and measuring device for rotary parts, which comprises a positioning system and a measuring system, wherein the measuring system is fixed on a fixing seat of the positioning system in a detachable connection mode. This application has still merged into measurement system when providing a novel location structure, has realized positioning system and measurement system's integration, has still perfected the device measuring functional in hoisting device's portability, commonality, operability and location reliability to measured accuracy has been improved.

Description

Quick positioning and measuring device for rotary parts

Technical Field

The application relates to the technical field of machining, in particular to a quick positioning and measuring device for rotary parts.

Background

A large number of rotary parts are widely used in production and manufacturing of product parts, and the machining and measurement of the rotary parts are mostly achieved through a rotating mode. The machining and measuring elements of the rotary parts comprise size, angle, shape, position degree and the like, and whether the machining precision meets the tolerance requirement directly influences the use state of the delivered products. When the rotary parts are used for relevant machining and measurement, the reliability of the positioning precision plays a decisive role in the quality control of the whole machining process and the measurement process.

At present, when part of processing modes and inspectors check and accept rotary parts in a production field, a tip holder or a positioning auxiliary tool (such as a V-shaped holder) is mainly used for rapid positioning. The center frame positioning mode always considers the rotary parts with certain length to determine the positioning range, the consistency requirement of the two centers is good, but the problems that the positioning cannot be realized for parts without center holes and the like are caused by the factors that the center seat is large in size, high in requirement on placing environment, inconvenient to move, poor in interchangeability between equipment, large in part processing limitation after clamping and the like. When the positioning auxiliary tool (such as a V-shaped frame) is used for positioning, the positioning mode is positioned by the excircle of the rotary part, the fastening force and the rotating force of the rotary part are achieved manually, and the axial float and the radial swing generated in the rotating process can not be eliminated, so that the problems of poor positioning stability, large fluctuation of measured data, inconvenience in operation, low efficiency and the like can be caused.

Furthermore, for a production field, the form and position tolerance of the rotary part needs to be rapidly measured according to different field environments to judge whether the machining process of the rotary part meets the machining precision or not, and real-time machining adjustment is carried out according to the measured data. Meanwhile, on-site inspection personnel need to carry out inspection and acceptance work on the rotary parts delivered in batches on the production site, and whether the rotary parts are qualified or not is judged so as to ensure that the subsequent production work is smoothly carried out. At present, the detection means for the rotary parts usually adopts detection equipment (such as a universal tool microscope and the like) or a measurement platform to carry out measurement by adopting a meter reading method, but the existing detection means has the problems of poor portability of a measurement device, unreasonable positioning structure, non-universal positioning mode, high measurement environment requirement, weak targeted measurement function, complex operation mode, unstable measurement data and the like, so that the measurement process is time-consuming and labor-consuming, and the working efficiency is low.

Disclosure of Invention

In order to solve the problems and the defects that the universality of a positioning mode is not high, the positioning structure is unreasonable, the portability of a measuring device is poor, the targeted measuring function is not strong, the operation mode is complicated and the like in the process of measuring rotary parts, the application provides a quick positioning and measuring device for rotary parts.

In order to achieve the above object, the technical solution of the present application is as follows:

a quick positioning and measuring device for rotary parts comprises a positioning system and a measuring system, wherein the positioning system comprises a base and a pressing plate, the pressing plate is arranged above the base, the base comprises a bottom plate and a supporting seat, a fixing seat for fixing the measuring system is arranged on the bottom plate, a groove for placing the rotary parts is arranged on the supporting seat, a first fixing pin and a second fixing pin are symmetrically arranged on two sides of the groove, the two fixing pins penetrate through the supporting seat, a first deep groove ball bearing and a second deep groove ball bearing are respectively arranged at two ends of the first fixing pin, a third deep groove ball bearing and a fourth deep groove ball bearing are respectively arranged at two ends of the second fixing pin, the pressing plate is connected with the supporting seat through a fastening screw rod and a connecting screw rod which are arranged on two sides, one end of the fastening screw rod with a pin hole is connected with the supporting seat through the third fixing pin, and the other end of the fastening screw rod is connected with the pressing plate through a pressing nut, one end of the connecting screw rod, which is provided with a pin hole, is connected with the pressing plate through a fourth fixing pin, the other end of the connecting screw rod is in threaded connection with the supporting seat through a threaded hole in the supporting seat, a first elliptical groove hole for fixing a fifth deep groove ball bearing is further formed in the pressing plate, the fifth deep groove ball bearing is fixed in the first elliptical groove hole through a fifth fixing pin and is positioned right above the groove, a stop screw for limiting the rotation of the fifth deep groove ball bearing is further arranged at the first elliptical groove hole, and a limiting mechanism for limiting the forward and backward movement of a part is further arranged on the supporting seat;

the measuring system comprises a first connecting rod, a first reversing connecting piece, a second connecting rod, a second reversing connecting piece, a third connecting rod, a third reversing connecting piece, a meter seat connecting rod and a lever meter, wherein one end of the first connecting rod, which is provided with a threaded hole, is inserted into the fixed seat and locked through a first fastening bolt, the first reversing connecting piece is sleeved on the first connecting rod and locked through a second fastening bolt, the first reversing connecting piece and the second reversing connecting piece are respectively sleeved at two ends of the second connecting rod and respectively locked through a third fastening bolt and a fourth fastening bolt, the second reversing connecting piece and the third reversing connecting piece are respectively sleeved at two ends of the third connecting rod and respectively locked through a fifth fastening bolt and a sixth fastening bolt, the meter seat connecting rod penetrates through the third reversing connecting piece and is locked through a seventh fastening bolt, the lever meter is arranged at one end of the meter seat connecting rod, and the first connecting rod, the second connecting rod and the gauge stand connecting rod are respectively provided with a first fine adjustment mechanism, a second fine adjustment mechanism and a third fine adjustment mechanism which enable a measuring head of the lever gauge to perform fine adjustment in height, axial direction and radial direction relative to the position of the measured element of the rotary part.

Preferably, stop gear includes limiting plate, sliding sleeve and stop screw, and the limiting plate passes through spacing screw thread connecting rod and supporting seat connection, and the sliding sleeve cover is established on the limiting plate, is provided with the oval slotted hole of second on the limiting plate, be provided with on the sliding sleeve with stop screw complex screw hole, stop screw's one end is passed the screw hole on the oval slotted hole of second and the sliding sleeve to set up the taper hole at the tip, set up spacing marble in the taper hole, the other end then overlaps and is equipped with spacing lock nut.

Preferably, first fine setting mechanism includes first fine setting base, first fine setting screw rod and first fine setting gyro wheel, and first fine setting base cover is established on first connecting rod and is locked through eighth fastening bolt, and first fine setting gyro wheel sets up in the recess on first fine setting base and can be at the recess internal rotation, and first fine setting base and first fine setting gyro wheel are run through to the one end of first fine setting screw rod to with first fine setting gyro wheel threaded connection, the other end is connected with first switching-over connecting piece.

Preferably, the second fine adjustment mechanism comprises a second fine adjustment base, a second fine adjustment screw and a second fine adjustment roller, the second fine adjustment base is sleeved on the second connecting rod and locked through a ninth fastening bolt, the second fine adjustment roller is arranged in a groove in the second fine adjustment base and can rotate in the groove, one end of the second fine adjustment screw penetrates through the second fine adjustment base and the second fine adjustment roller and is in threaded connection with the second fine adjustment roller, and the other end of the second fine adjustment screw is connected with the first reversing connecting piece.

Preferably, the third fine adjustment mechanism comprises a third fine adjustment base, a third fine adjustment screw and a third fine adjustment roller, the third fine adjustment base is sleeved on the gauge stand connecting rod and is locked through a tenth fastening bolt, the third fine adjustment roller is arranged in a groove in the third fine adjustment base and can rotate in the groove, one end of the third fine adjustment screw penetrates through the third fine adjustment base and the third fine adjustment roller and is in threaded connection with the third fine adjustment roller, and the other end of the third fine adjustment screw is connected with the third reversing connecting piece.

Preferably, the end face of the gauge stand connecting rod is provided with a jack, and one end of the lever gauge is inserted into the jack and locked by an eleventh fastening bolt.

Preferably, the cross section of the groove is V-shaped.

The beneficial effect of this application:

(1) measuring device in this application has merged into measurement system when providing a novel location structure, has realized positioning system and measurement system's integration, still perfects the device measuring functionality when hoisting device's portability, commonality, operability, positioning reliability, has improved measuring accuracy.

(2) In this application, the positioning system of device has characteristics such as small, that the portability is good, convenient operation, positioning accuracy are high, it is strong to deal with different use scene commonality, can be applied to check out test set (like universal tool microscope, projecting apparatus, test platform etc.) and machine tool (like flat grinder, wire-electrode cutting machine tool etc.) as positioner alone, fixes a position gyration type part.

(3) In this application, measurement system still is provided with fine setting mechanism, under fine setting mechanism's effect, the gauge head of the lever table that makes is the height, axial and radial fine setting of the element position that is surveyed to relative gyration type part, and further, fine setting mechanism in this application utilizes lead screw drive's principle for whole accommodation process is more meticulous, and the device precision is high, and consequently the accuracy when measuring is also higher.

(4) In the application, the limiting mechanism is provided with the sliding sleeve, so that the action position of the limiting screw can be adjusted in height according to the axes of the rotary parts with different outer diameters under the action of the sliding sleeve, and the stability of axial positioning of the rotary parts is ensured; furthermore, be provided with spacing marble in the taper hole of spacing screw rod terminal surface, under the effect of spacing marble, can guarantee to carry on spacingly with the central point of the spacing face of form point contact to the part, contact position is to spacing influence when avoiding the part terminal surface not flat or part terminal surface and excircle out of plumb, the change after also being convenient for wearing and tearing simultaneously.

(5) In this application, its transversal personally submitting "V" font structure of the slot that sets up on the supporting seat, the slot of V-arrangement structure more matches with the appearance of gyration type part to when making the gyration type part of little excircle place on the base, do not take place the interference with the base, the height restriction after the current check out test set is put to the part of while comprehensive consideration, thereby reduce the device and place the overall height behind the part, gyro wheel bearing on the base can reduce mounting height as far as like this.

(6) In this application, measurement system passes through detachable connected mode and sets up on positioning system, both can mutually support between the two parts, also can the autonomous working, consequently, the holistic flexibility of device is very big, can be fine satisfy different use scenes and user demand.

Drawings

FIG. 1 is an exploded view of a positioning system of the present application;

FIG. 2 is an assembly view of the positioning system of the present application;

FIG. 3 is a schematic view of a placement structure of the rotary parts of the present application;

FIG. 4 is an exploded view of the measurement system of the present application;

FIG. 5 is an assembly view of the measurement system of the present application;

FIG. 6 is a schematic view of an assembly structure of the positioning and measuring device of the present application;

FIG. 7 is a schematic view of the measurement of the rotating parts of the present application.

In the drawings:

1. a positioning system; 2. a measurement system; 3. a first fixing pin; 4. a second fixing pin; 5. a first deep groove ball bearing; 6. a second deep groove ball bearing; 7. a third deep groove ball bearing; 8. a fourth deep groove ball bearing; 9. fastening the screw rod; 10. connecting a screw rod; 11. a third fixing pin; 12. a compression nut; 13. a fourth fixing pin; 14. a fifth deep groove ball bearing; 15. a first elliptical slot; 16. a fifth fixing pin; 17. a set screw; 18. a limiting mechanism; 19. a first fastening bolt; 20. a second fastening bolt; 21. a third fastening bolt; 22. a fourth fastening bolt; 23. a fifth fastening bolt; 24. a sixth fastening bolt; 25. a seventh fastening bolt; 26. a first fine adjustment mechanism; 27. a second fine adjustment mechanism; 28. a third fine adjustment mechanism; 29. an eighth fastening bolt; 30. a ninth fastening bolt; 31. a tenth fastening bolt; 32. an eleventh fastening bolt; 33. tightening the screw; 101. a base; 102. pressing a plate; 103. a base plate; 104. a supporting seat; 105. a fixed seat; 106. a trench; 181. a limiting plate; 182. a sliding sleeve; 183. a limit screw; 184. a limiting threaded connecting rod; 185. a second elliptical slot; 186. limiting the marble; 187. a limit lock nut; 201. a first link; 202. a first reversing connector; 203. a second link; 204. a second reversing connector; 205. a third link; 206. a third reversing connector; 207. a gauge stand connecting rod; 208. a lever meter; 261. a first fine tuning base; 262. a first fine tuning screw; 263. a first fine adjustment roller; 271. a second fine tuning base; 272. a second fine tuning screw; 273. a second fine adjustment roller; 281. a third fine tuning base; 282. a third fine tuning screw; 283. and a third fine adjustment roller.

Detailed Description

The present application will be described in further detail with reference to examples, but the embodiments of the present application are not limited thereto.

Example 1

The embodiment discloses a quick positioning and measuring device for rotary parts, which is mainly composed of a positioning system 1 and a measuring system 2, wherein the positioning system 1 comprises a base 101 and a pressure plate 102, the pressure plate 102 is arranged above the base 101, the base 101 comprises a bottom plate 103 and a supporting seat 104, and the bottom plate 103 is provided with a fixed seat 105 for fixing the measuring system 2; the supporting seat 104 is provided with a groove 106 for placing rotary parts, the left side of the groove 106 is provided with a first fixing pin 3, the right side of the groove 106 is provided with a second fixing pin 4, the two fixing pins are in a symmetrical relation and penetrate through the front end surface and the rear end surface of the supporting seat 104, wherein the two ends of the first fixing pin 3 are respectively provided with a first deep groove ball bearing 5 and a second deep groove ball bearing 6, and the two ends of the second fixing pin 4 are respectively provided with a third deep groove ball bearing 7 and a fourth deep groove ball bearing 8; further, the pressing plate 102 is connected with the supporting seat 104 through the fastening screw 9 and the connecting screw 10 disposed at two sides, specifically, one end of the fastening screw 9 is provided with a pin hole, the other end is provided with an external thread, one end with the pin hole is disposed in a groove at a corresponding position of the supporting seat 104 and is connected with the supporting seat 104 through a third fixing pin 11, the other end is disposed in a groove at the end of the pressing plate 102 and is sleeved with a compression nut 12, the compression nut 12 is fixed with the pressing plate 102, the structure of the connecting screw 10 is similar to that of the fastening screw, one end is provided with a pin hole, the other end is provided with an external thread, the end with the pin hole is disposed in a groove at the other end of the pressing plate 102 and is connected with the pressing plate 102 through a fourth fixing pin 13, the connecting screw is in clearance fit with the first fixing pin, so that the connecting screw is movable with the pressing plate 102, and the end with the thread of the connecting screw is disposed in a corresponding threaded hole on the supporting seat 104, the pressing plate 102 is further provided with a stop hole for a stop screw 17 to pass through, the stop screw 17 passes through the stop hole and enters the first elliptical slot hole 15 to clamp the fifth deep groove ball bearing 14 for limiting the rotation of the fifth deep groove ball bearing 14, and the supporting seat 104 is further provided with a limiting mechanism 18 for limiting the front and back movement of parts;

the measuring system 2 comprises a first connecting rod 201, a first reversing connecting piece 202, a second connecting rod 203, a second reversing connecting piece 204, a third connecting rod 205, a third reversing connecting piece 206, a meter seat connecting rod 207 and a lever meter 208, wherein the first connecting rod 201 is provided with a threaded hole, one end provided with the threaded hole is inserted in the fixed seat 105 and locked through a first fastening bolt 19, the first connecting rod 201 is sleeved with the first reversing connecting piece 202, the first reversing connecting piece 202 is locked through a second fastening bolt 20, two ends of the second connecting rod 203 are respectively sleeved with the first reversing connecting piece 202 and the second reversing connecting piece 204, the two reversing connecting pieces are respectively locked through a third fastening bolt 21 and a fourth fastening bolt 22, two ends of the third connecting rod 205 are respectively sleeved with the second reversing connecting piece 204 and the third reversing connecting piece 206, the two reversing connecting pieces are respectively locked through a fifth fastening bolt 23 and a sixth fastening bolt 24, the meter base connecting rod 207 penetrates through the third reversing connecting piece 206 and is locked through a seventh fastening bolt 25, one end of the meter base connecting rod 207 is provided with a lever meter 208, and further, the first connecting rod 201, the second connecting rod 203 and the meter base connecting rod 207 are respectively provided with a first fine adjustment mechanism 26, a second fine adjustment mechanism 27 and a third fine adjustment mechanism 28 which enable a measuring head of the lever meter 208 to perform height, axial and radial fine adjustment relative to the measured element position of the rotary part.

Example 2

The embodiment discloses a quick positioning and measuring device for a rotary part, which refers to the accompanying drawings of fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6 of the specification, and the embodiment defines the shapes of a limiting mechanism 18, a first fine adjustment mechanism, a second fine adjustment mechanism, a third fine adjustment mechanism and a groove on the basis of the embodiment 1.

Limiting mechanism 18 includes limiting plate 181, sliding sleeve 182 and stop screw 183, and the limiting plate 181 is connected with supporting seat 104 through limiting thread connecting rod 184 to fix through fixation nut, sliding sleeve 182 cover is established on limiting plate 181, and can reciprocate for limiting plate 181, be provided with second oval slotted hole 185 on the limiting plate 181, be provided with on the sliding sleeve 182 with stop screw 183 complex screw hole, stop screw 183's one end is passed screw hole on second oval slotted hole 185 and the sliding sleeve 182 to the taper hole has been seted up at the tip, when spacing, be provided with spacing marble 186 in the taper hole, stop screw 183's the other end then the cover is equipped with limit lock nut 187 for locking sliding sleeve 182.

The first fine adjustment mechanism 26 includes a first fine adjustment base 261, a first fine adjustment screw 262 and a first fine adjustment roller 263, the first fine adjustment base 261 is sleeved on the first connecting rod 201 and is locked by an eighth fastening bolt 29, the first fine adjustment roller 263 is disposed in a groove of the first fine adjustment base 261 and can rotate in the groove, a threaded hole for the first fine adjustment screw 262 to pass through is disposed at the center of the first fine adjustment roller 263, one end of the first fine adjustment screw 262 penetrates through the first fine adjustment base 261 and the first fine adjustment roller 263 and is in threaded connection with the first fine adjustment roller 263 through the threaded hole of the first fine adjustment roller 263, and the other end of the first fine adjustment screw 262 is connected with the first reversing connection member 202 through a set screw 33. The first fine tuning roller 263 is equivalent to a nut seat, and is in threaded connection with the first fine tuning screw 262 to form a screw rod transmission structure, and when the first fine tuning roller 263 is rotated, the first fine tuning screw 262 rises or falls in a vertical plane relative to the first fine tuning roller 263, so as to drive the first reversing connection member 202 to move up and down, and finally drive the measuring head of the lever table 208 to realize fine tuning of the height of the measured element position relative to the rotary part.

The structure of the second fine adjustment mechanism is similar to that of the first fine adjustment mechanism, and mainly includes a second fine adjustment base 271, a second fine adjustment screw 272 and a second fine adjustment roller 273, the second fine adjustment base 271 is sleeved on the second connecting rod 203 and locked by the ninth fastening bolt 30, the second fine adjustment roller 273 is disposed in the groove of the second fine adjustment base 271 and can rotate in the groove, a threaded hole for the fine adjustment screw to pass through is disposed at the center of the second fine adjustment roller, one end of the second fine adjustment screw 272 penetrates through the second fine adjustment base 271 and the second fine adjustment roller 273, and is in threaded connection with the second fine adjustment roller 273 by the threaded hole of the second fine adjustment roller 273, and the other end of the second fine adjustment screw 272 is also connected with the first reversing connector 202 by the set screw 33. The second fine tuning roller 273 is equivalent to a nut seat, and is in threaded connection with the second fine tuning screw 272 to form a screw rod transmission structure, when the second fine tuning roller 273 is rotated, the whole second fine tuning base 271 drives the second connecting rod 203, the second reversing connecting piece 204, the third connecting rod 205 and the third reversing connecting piece 206 to move left and right in the horizontal plane, and finally, the axial fine tuning of the position of the measuring head of the lever table 208 relative to the measured element of the rotary part is realized.

Similarly, the third fine adjustment mechanism is similar to the first fine adjustment mechanism in structure, and mainly includes a third fine adjustment base 281, a third fine adjustment screw 282, and a third fine adjustment roller 283, where the third fine adjustment base 281 is sleeved on the bezel connecting rod 207 and is locked by a tenth fastening bolt 31, the third fine adjustment roller 283 is disposed in a groove on the third fine adjustment base 281 and can rotate in the groove, a threaded hole for the fine adjustment screw to pass through is also disposed at a central position of the third fine adjustment roller, one end of the third fine adjustment screw 282 passes through the third fine adjustment base 281 and the third fine adjustment roller 283 and is in threaded connection with the third fine adjustment roller 283 through the threaded hole on the third fine adjustment roller 283, and the other end of the third fine adjustment screw 282 is also connected with the third reversing connection member 206 through the fastening screw 33. The third fine tuning roller 283 is equivalent to a nut seat, and is in threaded connection with the third fine tuning screw 282 to form a screw rod transmission structure, and when the third fine tuning roller 283 is rotated, the whole third fine tuning base 281 drives the first meter seat connecting rod 207 to move back and forth in the horizontal plane, and finally, the radial fine tuning of the position of the measuring head of the lever meter 208 relative to the measured element of the rotary part is realized.

The end face of the meter base connecting rod 207 is provided with a jack, and one end of the lever meter 208 is inserted into the jack and locked by the eleventh fastening bolt 32.

The cross section of the groove 106 is in a shape of a V.

The working principle is as follows:

referring to the attached drawings 3 and 4 of the specification, a rotary part is placed on a deep groove ball bearing at a groove, a limiting threaded connecting rod is adjusted according to the length of the rotary part to determine the axial limiting position of the rotary part, and then a sliding sleeve is adjusted according to the outer diameter of the rotary part, so that a limiting marble arranged on a limiting screw rod is adjusted to the central position of the limiting end face of the rotary part and a limiting lock nut is screwed up to fix the rotary part. When the rotary part needs to rotate, the limiting end face of the rotary part is abutted against the limiting marble, and then the next measurement work can be carried out. When dealing with too big gyration type part or other gyration type parts that inconvenient one-hand is firm, usable connecting screw connects the clamp plate on the supporting seat and closes connecting screw soon according to gyration type part's external diameter size thereby predetermine required height (connecting screw and fourth fixed pin are clearance fit, so movably between connecting screw and the clamp plate), guarantee that fifth deep groove ball bearing on the clamp plate contacts the excircle of gyration type part, simultaneously through setting up screw rod cooperation gland nut and carry out the clamping location to gyration type part, then rotate the part, under stop gear and fifth deep groove ball bearing's effect, its axial and radial can not take place to remove, and when the part need not to rotate, in the locking hole that sets up on the clamp plate with the set screw and support fifth deep groove ball bearing tightly, at this moment, gyration type part will not rotate.

Referring to the attached figure 7 of the specification, when a rotary part is measured, a lever meter is installed according to different measured element directions, height coarse adjustment of a lever meter measuring head relative to the position of the measured element of the rotary part is carried out by moving a fine adjustment base and a reversing connecting piece on each connecting rod, axial coarse adjustment of the lever meter measuring head relative to the position of the measured element of the rotary part is carried out by moving a second reversing connecting piece along a second connecting rod, and radial coarse adjustment of the lever meter measuring head relative to the position of the measured element of the rotary part is carried out by moving a meter base connecting rod (all components are locked and fixed through corresponding fastening bolts after being moved). Before fine adjustment, corresponding fastening bolts, such as a second fastening bolt, a third fastening bolt and a seventh fastening bolt, on the reversing connecting piece need to be unscrewed, and then the measuring head of the lever meter is subjected to fine adjustment in height, radial direction and axial direction relative to the position of the element to be measured of the rotary part by rotating corresponding fine adjustment rollers until the measuring head of the lever meter contacts the surface of the element to be measured. In the fine adjustment process, the optimal measurement position is determined by observing the maximum and minimum offset of the pointer of the dial plate of the lever meter, and the corresponding fine adjustment roller is adjusted according to the maximum or minimum reading of the offset of the pointer of the dial plate of the lever meter and needs, so that the force measurement is adjusted. And after fine adjustment is finished, respectively screwing corresponding fastening bolts, and reading the maximum and minimum readings of the pointer offset of the dial plate of the lever meter by rotating the rotary part or moving the lever meter according to the required direction of the element to be measured, so as to select and comprehensively judge the actual error of the element to be measured of the rotary part.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The foregoing is directed to embodiments of the present invention, which are not limited thereto, and any simple modifications and equivalents thereof according to the technical spirit of the present invention may be made within the scope of the present invention.

Claims

1. The utility model provides a quick location measuring device of gyration type part, includes positioning system (1) and measurement system (2), its characterized in that: the positioning system (1) comprises a base (101) and a pressing plate (102), the pressing plate (102) is arranged above the base (101), the base (101) comprises a bottom plate (103) and a supporting seat (104), a fixing seat (105) used for fixing the measuring system (2) is arranged on the bottom plate (103), a groove (106) used for placing rotary parts is arranged on the supporting seat (104), a first fixing pin (3) and a second fixing pin (4) are symmetrically arranged on two sides of the groove (106), the two fixing pins penetrate through the supporting seat (104), a first deep groove ball bearing (5) and a second deep groove ball bearing (6) are respectively arranged at two ends of the first fixing pin (3), a third deep groove ball bearing (7) and a fourth deep groove ball bearing (8) are respectively arranged at two ends of the second fixing pin (4), and the pressing plate (102) is connected with the supporting seat (104) through a fastening screw rod (9) and a connecting screw rod (10) which are arranged on two sides, one end of a fastening screw rod (9) with a pin hole is connected with a supporting seat (104) through a third fixing pin (11), the other end of the fastening screw rod is connected with a pressing plate (102) through a pressing nut (12), one end of a connecting screw rod (10) with a pin hole is connected with the pressing plate (102) through a fourth fixing pin (13), the other end of the connecting screw rod is in threaded connection with the supporting seat (104) through a threaded hole in the supporting seat (104), a first elliptical groove hole (15) used for fixing a fifth deep groove ball bearing (14) is further arranged on the pressing plate (102), the fifth deep groove ball bearing (14) is fixed in the first elliptical groove hole (15) through a fifth fixing pin (16) and is positioned right above a groove (106), a stop screw (17) used for limiting the rotation of the fifth deep groove ball bearing (14) is further arranged at the position of the first elliptical groove hole (15), and a limiting mechanism (18) used for limiting the forward and backward movement of, the five deep groove ball bearings are parallel to each other;

the measuring system (2) comprises a first connecting rod (201), a first reversing connecting piece (202), a second connecting rod (203), a second reversing connecting piece (204), a third connecting rod (205), a third reversing connecting piece (206), a meter seat connecting rod (207) and a lever meter (208), one end of the first connecting rod (201) provided with a threaded hole is inserted into the fixed seat (105) and locked through a first fastening bolt (19), the first reversing connecting piece (202) is sleeved on the first connecting rod (201), the first reversing connecting piece (202) is locked through a second fastening bolt (20), two ends of the second connecting rod (203) are respectively sleeved with the first reversing connecting piece (202) and the second reversing connecting piece (204) and respectively locked through a third fastening bolt (21) and a fourth fastening bolt (22), two ends of the third connecting rod (205) are respectively sleeved with the second reversing connecting piece (204) and the third reversing connecting piece (206), and the gauge stand connecting rod (207) penetrates through the third reversing connecting piece (206) and is locked through the seventh fastening bolt (25), one end of the gauge stand connecting rod (207) is provided with a lever indicator (208), and the first connecting rod (201), the second connecting rod (203) and the gauge stand connecting rod (207) are respectively provided with a first fine adjustment mechanism (26), a second fine adjustment mechanism (27) and a third fine adjustment mechanism (28) which enable a measuring head of the lever indicator (208) to perform height, axial and radial fine adjustment on the position of a measured element of a relative rotation type part.

2. The quick positioning and measuring device for the rotary parts as claimed in claim 1, wherein: limiting mechanism (18) are including limiting plate (181), sliding sleeve (182) and stop screw (183), and limiting plate (181) are connected with supporting seat (104) through limiting thread connecting rod (184), and sliding sleeve (182) cover is established on limiting plate (181), is provided with second oval slotted hole (185) on limiting plate (181), is provided with on sliding sleeve (182) with stop screw (183) complex screw hole, and the one end of stop screw (183) is passed screw hole on second oval slotted hole (185) and sliding sleeve (182) to the taper hole has been seted up at the tip, sets up spacing marble (186) in the taper hole, and the other end then overlaps and is equipped with spacing lock nut (187).

3. The quick positioning and measuring device for the rotary parts as claimed in claim 1, wherein: first fine setting mechanism (26) is including first fine setting base (261), first fine setting screw rod (262) and first fine setting gyro wheel (263), first fine setting base (261) cover is established on first connecting rod (201) and is locked through eighth fastening bolt (29), first fine setting gyro wheel (263) set up in the recess on first fine setting base (261) and can rotate in the recess, first fine setting base (261) and first fine setting gyro wheel (263) are run through to the one end of first fine setting screw rod (262) to with first fine setting gyro wheel (263) threaded connection, the other end is connected with first switching-over connecting piece (202).

4. The quick positioning and measuring device for the rotary parts as claimed in claim 1, wherein: the second fine adjustment mechanism (27) comprises a second fine adjustment base (271), a second fine adjustment screw (272) and a second fine adjustment roller (273), the second fine adjustment base (271) is sleeved on the second connecting rod (203) and locked through a ninth fastening bolt (30), the second fine adjustment roller (273) is arranged in a groove in the second fine adjustment base (271) and can rotate in the groove, one end of the second fine adjustment screw (272) penetrates through the second fine adjustment base (271) and the second fine adjustment roller (273) and is in threaded connection with the second fine adjustment roller (273), and the other end of the second fine adjustment mechanism is connected with the first reversing connecting piece (202).

5. The quick positioning and measuring device for the rotary parts as claimed in claim 1, wherein: the third fine adjustment mechanism (28) comprises a third fine adjustment base (281), a third fine adjustment screw rod (282) and a third fine adjustment roller (283), the third fine adjustment base (281) is sleeved on the gauge stand connecting rod (207) and locked through a tenth fastening bolt (31), the third fine adjustment roller (283) is arranged in a groove on the third fine adjustment base (281) and can rotate in the groove, one end of the third fine adjustment screw rod (282) penetrates through the third fine adjustment base (281) and the third fine adjustment roller (283) and is in threaded connection with the third fine adjustment roller (283), and the other end of the third fine adjustment mechanism is connected with the third reversing connecting piece (206).

6. The quick positioning and measuring device for the rotary parts as claimed in claim 1, wherein: the end face of the meter seat connecting rod (207) is provided with a jack, and one end of the lever meter (208) is inserted into the jack and locked through an eleventh fastening bolt (32).

7. The quick positioning and measuring device for the rotary parts as claimed in claim 1, wherein: the cross section of the groove (106) is V-shaped.