CN218155845U

CN218155845U - Dual-purpose steering wheel skeleton examines utensil

Info

Publication number: CN218155845U
Application number: CN202222183507.8U
Authority: CN
Inventors: 黄庆
Original assignee: Shanghai Qujiang Automobile Technology Co ltd
Current assignee: Shanghai Qujiang Automobile Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-27
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses an utensil is examined to dual-purpose steering wheel skeleton, bottom plate including the level setting, be provided with stand and a plurality of brace table on the bottom plate, the steering wheel skeleton that waits to detect includes centre bore, reference surface and wheel rim, and the steering wheel skeleton passes through the centre bore cover to be established on the stand, it is a plurality of the brace table is right the reference surface supports spacingly, the wheel rim with it has first detection clearance to reserve between the bottom plate, still includes hold-down mechanism and locating rack, hold-down mechanism compresses tightly fixedly to the steering wheel skeleton after spacing, the setting that the locating rack can overturn is in one side of steering wheel skeleton, be provided with a plurality of percentage tables on the locating rack, the downside of bottom plate is provided with a plurality of displacement sensor, can carry out the physics and detect, also can adopt the sensor to detect, is applicable to multiple detection ring border.

Description

Dual-purpose steering wheel skeleton examines utensil

Technical Field

The utility model relates to an examine technical field, specifically be an utensil is examined to dual-purpose steering wheel skeleton.

Background

The automobile and engineering machinery industry in China is undergoing a rapid development stage, in the production process, the detection of some important parts is very strict, and the rapid and accurate detection becomes an important link in the production process.

The steering wheel frame is one of important parts in the automobile and engineering machinery industry, and the processing quality of the steering wheel frame directly influences the operation performance and the safety performance of the automobile or the engineering machinery. The existing checking fixture is usually single physical detection or single sensor detection, and the physical detection efficiency is low, so that the existing checking fixture is not suitable for later-stage large-batch application; the single sensor detection cannot detect the influence on the processing progress when the sensor is damaged or has power failure, and the single sensor detection depends on a detection site with a power supply, so that the use has certain limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an utensil is examined to dual-purpose formula steering wheel skeleton not only can carry out the physics and detect, can adopt the sensor to detect moreover, is applicable to multiple testing environment.

In order to achieve the above object, the utility model provides a following technical scheme: a dual-purpose steering wheel skeleton detection tool comprises a bottom plate which is horizontally arranged, wherein an upright post and a plurality of supporting tables are arranged on the bottom plate, a steering wheel skeleton to be detected comprises a central hole, a reference surface and a wheel rim, the steering wheel skeleton is sleeved on the upright post through the central hole, the plurality of supporting tables are used for supporting and limiting the reference surface, and a first detection gap is reserved between the wheel rim and the bottom plate; the positioning device comprises a positioning frame, a pressing mechanism and a positioning frame, wherein the pressing mechanism presses and fixes a limited steering wheel framework, the positioning frame is arranged on one side of the steering wheel framework in a turnover mode, a plurality of dial indicators are arranged on the positioning frame, the steering wheel framework to be detected comprises a plurality of detection surfaces, and when the positioning frame is turned to a horizontal position, a measuring head of each dial indicator is abutted against the detection surface; the downside of bottom plate is provided with a plurality of displacement sensor, and is a plurality of displacement sensor's response end runs through the bottom plate just sets up with vertical direction, after the steering wheel skeleton is spacing, the steering wheel skeleton produces decurrent pressure to the response end.

Preferably, the reference surface is provided with a plurality of first positioning holes, and the support tables are provided with a plurality of first positioning pins matched with the positioning holes.

Preferably, a plurality of second positioning holes are formed in the lower side of the rim, and a plurality of second positioning pins matched with the second positioning holes are arranged on the bottom plate.

Preferably, the bottom plate is further provided with a plurality of rim go-no go gauges, and the rim go-no go gauges are connected with the bottom plate in a sliding mode.

Preferably, the downside of reference surface is provided with a plurality of bellyings, the downside of bellyings can be dismantled and is connected with the rivet, be provided with a plurality of support columns on the bottom plate, it is a plurality of the top sliding connection of support column has the rivet to lead to no-go gage.

Preferably, the rivet leads to no-go gage by being close to the one end of bellying is to keeping away from the one end direction of bellying, by low to high first leading face, first no-go face, second lead to face and the second no-go face of having set gradually, first leading face and first no-go face are used for detecting behind the installation rivet the position degree of bellying, second lead to face and second no-go face are used for detecting not install the rivet the position degree of bellying.

Preferably, the pressing mechanism comprises a clamp, a plurality of elastic parts are mounted on the clamp, and when the clamp is turned to a horizontal position, the elastic parts abut against the upper side of the reference surface.

Preferably, the displacement sensor comprises a rim sensor and a protrusion sensor, the rim sensor is abutted against the bottom of the rim, and the protrusion sensor is abutted against the top of the rivet.

Preferably, the rim sensor and the boss sensor are both set to be not less than 4.

Preferably, the bottom plate is further provided with a plurality of zeroing blocks, and the zeroing blocks are used for zeroing the dial indicator.

Has the advantages that:

the utility model discloses a establish steering wheel skeleton on the stand through the centre bore cover, a plurality of supporting stations support the reference surface spacingly, accomplish steering wheel skeleton spacing with the locating rack upset to horizontal position, when the clamp upset was the horizontal position, a plurality of elastic parts were contradicted the reference surface upside carries out further stability to steering wheel skeleton, is favorable to improving follow-up detection precision.

The utility model combines the physical detection method and the sensor detection method, and adopts physical detection to specific parts in earlier stage product development, power failure and power-free positions; and the sensor detection is adopted in mass application in the later period, so that the method is suitable for various detection environments, and the detection progress is not delayed.

Drawings

FIG. 1 is a diagram showing a position relationship between a dual-purpose steering wheel frame testing fixture and a steering wheel frame of the present invention;

fig. 2 is a schematic view of the overall structure of the dual-purpose steering wheel frame testing fixture of the present invention;

fig. 3 is a schematic structural view of the dual-purpose steering wheel frame testing fixture of the present invention at a position a in fig. 2;

fig. 4 is the utility model relates to a structure entity of dual-purpose steering wheel skeleton examines utensil bellying sensor is shown.

In the figure: 1. a base plate; 11. a column; 12. a support table; 13. a second positioning pin; 14. a zeroing block; 2. a reference plane; 21. a first positioning pin; 22. a boss portion; 23. riveting; 3. a rim; 4. a first detection gap; 5. a positioning frame; 51. a dial indicator; 6. clamping; 61. an elastic portion; 7. a displacement sensor; 8. a rim go-no go gauge; 81. a through end; 82. stopping the end; 9. a rivet go-no go gauge; 91. a first through surface; 92. a first stop surface; 93. a second through surface; 94. a second stop surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An embodiment of the present invention is explained in detail below:

as shown in fig. 1, the dual-purpose steering wheel frame checking fixture comprises a bottom plate 1 which is horizontally arranged, wherein an upright post 11 and a plurality of supporting tables 12 are arranged on the bottom plate 1, the steering wheel frame to be detected comprises a central hole, a reference surface 2 and a wheel rim 3, the steering wheel frame is sleeved on the upright post 11 through the central hole, the plurality of supporting tables 12 support and limit the reference surface 2, and a first detection gap 4 is reserved between the wheel rim 3 and the bottom plate 1; the steering wheel framework to be detected comprises a plurality of detection surfaces, and when the positioning frame 5 is turned to a horizontal position, a measuring head of the dial indicator 51 is abutted against the detection surfaces; the downside of bottom plate 1 is provided with a plurality of displacement sensor 7, and the response end of a plurality of displacement sensor 7 runs through bottom plate 1 and sets up with vertical direction, and after the steering wheel skeleton was spacing, the steering wheel skeleton produced decurrent pressure to the response end.

Before detection, a steering wheel framework is sleeved on an upright post 11 through a central hole, a plurality of supporting tables 12 support and limit a reference surface 2, and a first detection gap 4 is reserved between a wheel rim 3 and a bottom plate 1; the pressing mechanism presses and fixes the steering wheel framework after limiting, and the positioning frame 5 is turned to the horizontal direction to limit the steering wheel framework. When the physical detection is carried out, the first detection gap 4 is detected by adopting a go-no-go gauge, and if the go end 81 passes and the no-go end 82 does not pass, the height of the rim 3 is qualified.

The bottom plate 1 is further provided with a plurality of zeroing blocks 14 for zeroing the dial indicators 51, the zeroed dial indicators 51 are inserted on the positioning frame 5, the measuring heads of the dial indicators 51 are extruded by the plurality of detecting surfaces, and the heights of the corresponding detecting surfaces can be obtained by reading the numerical values of the dial indicators 51. When the sensor is detected, the power supply is switched on, the steering wheel framework is limited by adopting the same steps, and corresponding data can be obtained by downwards extruding the steering wheel framework and the detection surface to the induction end of the displacement sensor 7.

Specifically, as shown in fig. 2 and 3, a plurality of first positioning holes are formed in the reference surface 2, a plurality of first positioning pins 21 matched with the positioning holes are formed in the plurality of supporting tables 12, the steering wheel frame is sleeved on the upright post 11 through the central hole, and the plurality of first positioning pins 21 penetrate through the plurality of positioning holes to position the reference surface 2; a plurality of second positioning holes are formed in the lower side of the rim 3, a plurality of second positioning pins 13 matched with the second positioning holes are arranged on the bottom plate 1, after the steering wheel is placed, the second positioning pins 13 are inserted into the second positioning holes to complete positioning, and a first detection gap 4 exists between the rim 3 and the bottom plate 1.

Hold-down mechanism includes clamp 6, installs a plurality of elastic component 61 on the clamp 6, and the back that finishes is spacing to the steering wheel, and upset clamp 6 when 6 upsets for the horizontal position of clamp, a plurality of elastic component 61 contradict at 2 upsides of reference surface, carry out further stability to the steering wheel skeleton. Still be provided with a plurality of rims 3 on the bottom plate 1 and pass through the no-go gage, a plurality of rims 3 pass through the no-go gage and bottom plate 1 sliding connection, and the one end that rim 3 passes through the no-go gage and is close to the steering wheel skeleton is provided with 2 planes from low to high, is respectively logical end 81 and no-go end 82, and during physical examination, when sliding wheel rim 3 passes through the no-go gage, logical end 81 passed, and no-go end 82 was not enough, then rim 3 is highly qualified. When the sensor is detected, the power supply is switched on, and the steering wheel framework and the sensing end of the detection surface facing the displacement sensor 7 are downwards extruded to obtain corresponding data.

Specifically, as shown in fig. 4, a plurality of bosses 22 are arranged on the lower side of the reference plane 2, rivets 23 are detachably connected to the lower sides of the bosses 22, a plurality of support columns are arranged on the bottom plate 1, and rivet go-no-go gauges are slidably connected to the tops of the support columns. The rivet passes the no-go gauge from one end close to the boss 22 to one end far away from the boss 22, from low to high sequentially have first through surface 91, first no-go surface 92, second through surface 93 and second no-go surface 94, first through surface 91 and first no-go surface 92 are used for detecting the position degree of the boss 22 after installing the rivet 23, the sliding rivet passes the no-go gauge, the position degree after installing the rivet 23 is qualified if the first through surface 91 can not pass the first no-go surface 92; the second through surface 93 and the second stopper surface 94 are used to detect the position of the boss 22 of the non-attached rivet 23, and the detection method is the same.

Specifically, displacement sensor 7 includes wheel rim sensor and bellying sensor, and spacing back that finishes, wheel rim sensor and 3 bottoms of wheel rim are inconsistent and produce the extrusion, and the bellying sensor is inconsistent and the extrusion with bellying 22, should outwards stimulate the rivet to lead to the no-go gage and avoid blockking that the bellying sensor contacts with bellying 22 before detecting, can obtain the height of bellying 22 around installation rivet 23. The rim sensor and the rivet 23 sensor are set to be not less than 4, a plurality of site detection methods are adopted, and detection precision is improved.

The working principle is as follows:

before detection, a steering wheel framework is sleeved on an upright post 11 through a central hole, a plurality of supporting tables 12 support and limit a reference surface 2, and a first detection gap 4 is reserved between a wheel rim 3 and a bottom plate 1; when the clamp 6 is turned to the horizontal position, the elastic parts 61 abut against the upper side of the reference surface 2, and the steering wheel framework is further stabilized.

Physical detection:

detection of the rim 3: when the sliding rim 3 passes through the stop gauge, the pass end 81 passes through, but the stop end 82 does not pass through, and then the height of the rim 3 is qualified; detection of the detection surface: inserting the zeroed dial indicators 51 on the positioning frame 5, extruding the measuring heads of the dial indicators 51 by the plurality of detecting surfaces, and reading the numerical values of the dial indicators 51 to obtain the heights of the corresponding detecting surfaces; detection of the boss 22: the position of the mounted rivet 23 is qualified if the first through surface 91 can not pass through the first stop surface 92 by the sliding rivet passing no-go gauge; the second through surface 93 and the second stopper surface 94 are used to detect the position of the boss 22 of the non-mounted rivet 23, and the detection method is the same.

Detecting by a sensor:

and (3) switching on a power supply, pulling the rivet go-no-go gauge outwards to avoid blocking the contact of the boss sensor and the boss 22, enabling the rim sensor to be in contact with the bottom of the rim 3 and generate extrusion, and enabling the boss sensor to be in contact with the boss 22 and extrude to obtain the height values of the rim 3 and the boss 22.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a utensil is examined to dual-purpose steering wheel skeleton which characterized in that: the device comprises a bottom plate (1) which is horizontally arranged, wherein an upright post (11) and a plurality of supporting tables (12) are arranged on the bottom plate (1), a steering wheel framework to be detected comprises a central hole, a reference surface (2) and a wheel rim (3), the steering wheel framework is sleeved on the upright post (11) through the central hole, the plurality of supporting tables (12) support and limit the reference surface (2), and a first detection gap (4) is reserved between the wheel rim (3) and the bottom plate (1);

the positioning device is characterized by further comprising a pressing mechanism and a positioning frame (5), wherein the pressing mechanism presses and fixes the steering wheel framework after limiting, the positioning frame (5) is arranged on one side of the steering wheel framework in a turnover mode, a plurality of dial indicators (51) are arranged on the positioning frame (5), the steering wheel framework to be detected comprises a plurality of detection surfaces, and when the positioning frame (5) is turned to the horizontal direction, measuring heads of the dial indicators (51) are abutted to the detection surfaces;

the downside of bottom plate (1) is provided with a plurality of displacement sensor (7), and is a plurality of displacement sensor (7)'s response end runs through bottom plate (1) and sets up with vertical direction, when the spacing back of steering wheel skeleton, the steering wheel skeleton produces decurrent pressure to the response end.

2. The dual-purpose steering wheel skeleton detecting tool according to claim 1, characterized in that: the base surface (2) is provided with a plurality of first positioning holes, and the support tables (12) are provided with a plurality of first positioning pins (21) matched with the positioning holes.

3. The dual-purpose steering wheel skeleton detecting tool according to claim 1, wherein: a plurality of second positioning holes are formed in the lower side of the rim (3), and a plurality of second positioning pins (13) matched with the second positioning holes are arranged on the bottom plate (1).

4. The dual-purpose steering wheel skeleton detecting tool according to claim 1, characterized in that: the bottom plate (1) is further provided with a plurality of wheel rim (3) go-no go gauges, and the wheel rim (3) go-no go gauges are connected with the bottom plate (1) in a sliding mode.

5. The dual-purpose steering wheel skeleton detecting tool according to claim 1, wherein: the downside of reference surface (2) is provided with a plurality of bellying (22), the downside of bellying (22) can be dismantled and be connected with rivet (23), be provided with a plurality of support columns on bottom plate (1), it is a plurality of the top sliding connection of support column has the rivet to lead to the no-go gage.

6. The dual-purpose steering wheel skeleton detecting tool according to claim 5, wherein: rivet leads to no-go gage by being close to the one end of bellying (22) is to keeping away from the one end direction of bellying (22), has set gradually first leading face (91), first no-go face (92), second lead to face (93) and second no-go face (94) by low to high, first leading to face (91) and first no-go face (92) are used for detecting behind installation rivet (23) the position degree of bellying (22), second lead to face (93) and second no-go face (94) are used for detecting not installation rivet (23) the position degree of bellying (22).

7. The dual-purpose steering wheel skeleton detecting tool according to claim 1, characterized in that: the pressing mechanism comprises a clamp (6), a plurality of elastic parts (61) are mounted on the clamp (6), and when the clamp (6) overturns to be in a horizontal position, the elastic parts (61) are abutted to the upper side of the reference surface (2).

8. The dual-purpose steering wheel skeleton detecting tool according to claim 1, wherein: the displacement sensor (7) comprises a rim sensor and a bulge sensor, the rim sensor is abutted against the bottom of the rim (3), and the bulge sensor is abutted against the top of the rivet (23).

9. The dual-purpose steering wheel skeleton detecting tool according to claim 8, wherein: the rim sensor and the bulge sensors are all set to be not less than 4.

10. The dual-purpose steering wheel skeleton detecting tool according to claim 1, characterized in that: the base plate (1) is further provided with a plurality of zeroing blocks (14), and the zeroing blocks (14) are used for zeroing the dial indicator (51).