CN116989646A - Verticality comparison measuring instrument - Google Patents

Verticality comparison measuring instrument Download PDF

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Publication number
CN116989646A
CN116989646A CN202310705377.6A CN202310705377A CN116989646A CN 116989646 A CN116989646 A CN 116989646A CN 202310705377 A CN202310705377 A CN 202310705377A CN 116989646 A CN116989646 A CN 116989646A
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CN
China
Prior art keywords
wall
electric vehicle
gear ring
measuring instrument
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310705377.6A
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Chinese (zh)
Inventor
陈存明
陈璐璐
申承秀
王春官
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haian Yingqiu Powder Metallurgy Group Co ltd
Original Assignee
Haian Yingqiu Powder Metallurgy Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haian Yingqiu Powder Metallurgy Group Co ltd filed Critical Haian Yingqiu Powder Metallurgy Group Co ltd
Priority to CN202310705377.6A priority Critical patent/CN116989646A/en
Publication of CN116989646A publication Critical patent/CN116989646A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G01B5/0004—Supports
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0025—Measuring of vehicle parts

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention discloses a verticality comparison measuring instrument which comprises a groove body, wherein the inner wall of a base is embedded and installed, a driving motor is arranged on the inner wall of the groove body, the output end of the driving motor is fixedly connected with a positioning disc, sliding grooves are symmetrically arranged on the inner wall of the positioning disc, a sliding plate is arranged on the inner wall of the sliding groove, a connecting block is fixedly installed at the top of the sliding plate, a positioning block is fixedly connected to the top end of the connecting block, and racks are embedded and installed on the inner wall of the sliding plate. According to the invention, the locating plate is arranged to facilitate the limiting and clamping of the positions of workpieces with different sizes detected by the verticality comparison measuring instrument, the inner gear ring of the electric vehicle to be detected is arranged above the locating plate, the second motor is enabled to work to drive the driving gear, the sliding plate can slide on the inner wall of the sliding groove through the rack when the driving gear rotates, and the connecting block can drive the positioning block to move when the sliding plate moves, so that the position of the inner gear ring of the electric vehicle can be limited.

Description

Verticality comparison measuring instrument
Technical Field
The invention relates to the technical field of measuring instruments, in particular to a verticality comparison measuring instrument.
Background
The verticality comparison measuring instrument is a measuring device for measuring whether the surface of a workpiece is vertical or parallel, when the verticality of the inner gear ring of the electric vehicle is detected, the verticality comparison measuring instrument is generally used for detecting the inner gear ring, when the verticality comparison measuring instrument is used, the inner gear ring of the electric vehicle is placed below a detection group price, and then a measuring head is contacted with the surface of the workpiece, so that the device can detect the verticality and the parallelism of the surface of the workpiece;
the existing verticality comparison measuring instrument has the defects that:
1. the patent document CN208458648U discloses a verticality measuring instrument which comprises a base, wherein a guide rod is vertically arranged on the base, a cross rod is horizontally sleeved on the guide rod, a driving mechanism for driving the cross rod to slide up and down along the guide rod is arranged on the base close to the guide rod, an upper dial indicator and a lower dial indicator which are parallel are arranged on the cross rod through a bracket, and the upper dial indicator horizontally moves relative to the bracket; the movable frame is hinged to the transverse rod, the movable frame and the two dial gauges are arranged on the same vertical surface, one end of the movable frame is provided with a contact, and the other end of the movable frame is connected to the tail end of the upper dial gauge. The device solves the problem that the conventional verticality measuring instrument cannot detect the verticality of the shaft hole, so that the verticality of the shaft hole of the shaft sleeve type workpiece is conveniently detected, but the verticality measuring instrument disclosed in the publication mainly considers the problem that the shaft hole verticality cannot be detected, and does not consider the problem that workpieces with different sizes are rapidly limited, so that a verticality comparison measuring instrument is necessary to be researched, and further, rapid limiting on different workpieces can be conveniently carried out, and further, through detection efficiency, the position shaking of the workpieces during detection is avoided;
2. patent document CN218628104U discloses a high-precision measuring instrument applied to mechanical parts, "comprising a workbench, a sliding rail platform, a plurality of horizontal measuring pieces and a plurality of vertical measuring pieces, wherein the sliding rail platform is fixedly connected to the workbench, a guide rail groove and a workpiece fixing plate are arranged on the workbench, the vertical measuring pieces are slidably connected to the sliding rail platform, the horizontal measuring pieces are slidably connected to the guide rail groove, and the parts are connected to the workpiece fixing plate. The device adopts heat treatment to eliminate stress through the main integral mechanism of the high-precision verticality, parallelism and concentricity measuring instrument, and improves the rigidity and stability of integral components by arranging the vertical measuring piece and the horizontal measuring piece on the workbench. The sliding of the measuring piece in the horizontal direction adopts the sliding of the second needle to reduce friction force, the vertical movement adopts the transmission of a gear and a rack, the gauge stand adopts the sliding of the spring floating needle to reduce friction force between the spring floating needle and the guide groove, and the measuring precision is ensured, however, the high-precision measuring instrument applied to the mechanical parts disclosed in the above publication mainly considers ensuring the measuring precision and does not consider the problem of being convenient for adjusting the detection angle, so that a structure convenient for adjusting the detection angle is necessary to be researched, and the perpendicularity comparison measuring instrument can be convenient for detecting different positions of a workpiece;
3. patent document CN207487640U discloses a perpendicularity detecting instrument based on a contact type digital sensor, the instrument comprises a body and a control and display unit, a workpiece placing groove is arranged on the front side of the body, a plurality of first contact type digital sensors are arranged on the side of the body, a plurality of second contact type digital sensors are arranged on the lower side of the body, the control and display unit comprises a programmable controller, the programmable controller is respectively connected with the plurality of first contact type digital sensors and the plurality of second contact type digital sensors, whether a detected workpiece is qualified or not is output, and the control and display unit displays according to the output signals of the programmable controller. The device has high detection effect, and is improved by more than 10 times compared with a three-coordinate measuring instrument. Liberating staff's hands and saving labor cost. 100% full inspection of the workpiece is realized, all data are recorded, and quality risks are greatly reduced. The detection instrument based on the contact type digital sensor disclosed in the above publication mainly takes into account the liberation of hands of staff, saves labor cost and does not take into account the problem of removing adsorbate on the outer wall of a workpiece, so that a structure convenient for removing the adsorbate on the outer wall of the workpiece is necessary to be researched, and further the influence of excessive adsorbate on the detection precision during the detection of the verticality comparison measuring instrument can be avoided;
4. patent document CN208860280U discloses a perpendicularity measuring instrument, "including lever percentage table, mount, sleeve and benchmark stick, the below fixed mounting of lever percentage table has the collet, the upper end through connection of table frame has first adjusting knob, threaded connection has the second adjusting knob directly over the regulation pole, the right side fixedly connected with lock nut of second adjusting knob, mount fixed connection is at the right-hand member of lock nut, the inboard of portal frame is provided with the connecting rod support frame, the sleeve is located the right-hand member of connecting rod body, telescopic right-hand member swing joint has the fourth adjusting knob, the upper end threaded connection of regulating part has the fifth adjusting knob, the benchmark stick is located between mount and the portal frame, and the lower extreme fixed mounting of benchmark stick has the measurement flat board. This perpendicularity measuring apparatu, measuring error is less, and the result is comparatively accurate, and the operation is succinct convenient to measuring result can audio-visual observation ", however, a perpendicularity measuring apparatu of above-mentioned publication mainly considers making measuring error little, through detecting the accuracy, does not consider the problem of being convenient for dismantle the maintenance to the detection component, consequently, has to study out a structure of being convenient for change to the detection component, and then can be convenient for maintain the used detection component of perpendicularity comparison measuring apparatu.
Disclosure of Invention
The invention aims to provide a perpendicularity comparing and measuring instrument, which is used for solving the technical problem that the perpendicularity comparing and measuring instrument provided in the background art is inconvenient to limit different workpieces rapidly.
In order to achieve the above purpose, the present invention provides the following technical solutions: a perpendicularity comparison gauge comprising:
the device comprises a base, wherein a supporting frame is arranged at the top of the base, a sliding block is arranged on the inner wall of the supporting frame in a penetrating manner, an installation frame is fixedly connected with the outer wall of the sliding block, and a detection assembly is arranged on the inner wall of the installation frame;
the inner wall of the base is embedded and provided with a groove body, the inner wall of the groove body is provided with a driving motor, the output end of the driving motor is fixedly connected with a positioning disc, the inner wall of the positioning disc is symmetrically provided with sliding grooves, the inner wall of the sliding grooves is provided with a sliding plate, the top of the sliding plate is fixedly provided with a connecting block, the top end of the connecting block is fixedly connected with a positioning block, and the inner wall of the sliding plate is embedded and provided with a rack;
the outer wall of the chute is provided with a driving component.
Preferably, the detection component comprises a dial indicator and a pointer, the pointer is arranged on the inner wall of the dial indicator, the outer wall of the dial indicator detection rod is symmetrically provided with a first limiting plate and a second limiting plate, the inner wall of the mounting frame is provided with a rotating rod in a penetrating mode, one end of the rotating rod is fixedly connected with the outer wall of the first limiting plate, the inner wall of the mounting frame is provided with a limiting component, the limiting component is fixedly connected with the outer wall of the second limiting plate, the outer wall of the mounting frame is provided with a servo motor, and the output end of the servo motor is fixedly connected with one end of the rotating rod.
Preferably, the outer wall of support frame is provided with the control box, the top fixedly connected with first motor of support frame, the inner wall of support frame is provided with reciprocating screw, and the inner wall of slider is worn to establish to reciprocating screw's one end, the top and the output fixed connection of first motor of reciprocating screw, drive assembly includes second motor and drive gear, second motor fixed mounting is in drive assembly's inner wall, drive gear's outer wall and the output fixed connection of second motor, and drive gear meshes with the rack.
Preferably, the inner wall of mounting bracket is inlayed and is installed the installation piece, and the inner circle of installation piece is connected with spacing subassembly, and spacing subassembly includes support section of thick bamboo and connecting rod, and support section of thick bamboo fixed mounting is at the inner circle of installation piece, and the connecting rod is worn to be equipped with by the inner wall of support section of thick bamboo, and the one end of connecting rod and the outer wall fixed connection of second limiting plate.
Preferably, the mounting bracket is L type, and first limiting plate and second limiting plate appearance are circular-arc for spacing the amesdial position, the bottom and the inner wall swing joint of support frame of reciprocating screw rod, the diameter of connecting rod equals with the support section of thick bamboo inner circle diameter.
Preferably, the bottom symmetry of mounting bracket is installed the bar groove, and the inner wall symmetry of bar groove is provided with the guide way, and the inner wall of bar groove is provided with the frame, and the inner wall of frame is provided with the fan, and the bottom of frame has set gradually the exhaust hole, and the top of exhaust hole is connected with the gas-supply pipe, and the input of gas-supply pipe is connected with the output of fan.
Preferably, the outer wall of the strip-shaped groove is provided with a protective box, the inner wall of the protective box is provided with a telescopic rod, and one end of the telescopic rod is fixedly connected with the outer wall of the frame.
Preferably, the inner wall of the supporting cylinder is provided with a threaded ring, the inner wall of the threaded ring is provided with a threaded rod in a penetrating mode, one end of the connecting rod is provided with a bearing, and one end of the threaded rod is fixedly connected with the inner ring of the bearing.
A using method of a verticality comparison measuring instrument comprises the following steps:
s1, when the verticality of the inner gear ring of the electric vehicle is detected by using a verticality comparison measuring instrument, after the inner gear ring of the electric vehicle to be detected is placed above a positioning disc, a second motor is enabled to work to drive a driving gear, a sliding plate is enabled to slide at the inner wall of a sliding groove through a rack when the driving gear rotates, when the position of the sliding plate moves, a connecting block is enabled to drive the position of a positioning block to move, after the symmetrically arranged positioning block is contacted with the outer wall of the inner gear ring of the electric vehicle, the position of the inner gear ring of the electric vehicle is limited, the aim of rapidly limiting the inner gear rings of the electric vehicle with different sizes is achieved, the output end of the driving motor can drive the positioning disc to rotate, and then the position of the inner gear ring of the electric vehicle fixed above is driven to rotate, so that the verticality comparison measuring instrument is convenient to detect the verticality of the inner gear ring;
s2, after limiting the position of an inner gear ring of the electric vehicle, enabling a first motor to work to drive a reciprocating screw rod to rotate, enabling the position of a sliding block to move when the reciprocating screw rod rotates, enabling a position of a detection assembly to move when the position of the sliding block moves to detect the perpendicularity of the inner gear ring of the electric vehicle, enabling an output end of a servo motor to rotate to drive a rotating rod to rotate when the detected angle is required to be adjusted, enabling the angle of a dial indicator to be adjusted through a first limiting plate when the rotating rod rotates, achieving the purpose of adjusting the detection angle of a perpendicularity comparison measuring instrument, further facilitating detection of the perpendicularity of the inner gear ring of the electric vehicle according to actual conditions on site, enabling a second limiting plate to move synchronously when the first limiting plate drives the position of the dial indicator, and enabling a connecting rod to rotate in the supporting cylinder when the second limiting plate rotates, and further assisting the dial indicator to move stably;
s3, when the dial indicator detects the inner gear ring of the electric vehicle, in order to prevent adsorbates on the outer wall of the inner gear ring of the electric vehicle from affecting the detection precision, the fan works to generate wind power, the wind power enters the inside of the gas transmission pipe and then flows into the inside of the gas exhaust hole, the gas exhaust hole enables the wind power to be discharged to the outside, adsorbates on the outer wall of the inner gear ring of the electric vehicle placed above the positioning disc can be blown off, meanwhile, the telescopic rod works to push the frame to stably slide in the inside of the strip-shaped groove, and further different positions of the inner gear ring of the electric vehicle can be cleaned, the aim of removing adsorbates on the outer wall of a detection workpiece is achieved, and impurities are adsorbed at the detection position of the inner gear ring when the verticality comparison measuring instrument detects the inner gear ring of the electric vehicle is avoided, so that the detection precision is affected;
s4, when the dial indicator used by the perpendicularity comparison measuring instrument is required to be replaced and maintained, the threaded rod is rotated, the threaded ring can enable the position of the threaded rod to move, the position of the threaded rod can be moved by the bearing during the position movement of the threaded rod, the position of the dial indicator is not limited after the position movement of the second limiting plate is driven by the movement of the connecting rod, and the dial indicator is convenient to replace and maintain.
Preferably, in the step S1, the method further includes the following steps:
s11, the size of the transverse section of the sliding plate is equal to the size of the inner wall of the sliding groove, and the sliding plate can stably slide through the sliding groove when the position of the sliding plate moves;
in the step S2, the method further includes the following steps:
s21, when the dial indicator contacts with the detection part of the inner gear ring of the electric vehicle, the position of the pointer jumps, so that the detection condition can be displayed, and the verticality of the inner gear ring of the electric vehicle can be detected;
in the step S3, the method further includes the following steps:
s31, symmetrically arranging guide grooves on the inner walls of the strip-shaped grooves, symmetrically arranging protrusions corresponding to the guide grooves on the outer walls of the frames, and enabling the frames to slide stably through the cooperation of the guide grooves when the positions of the frames slide;
in the step S4, the method further includes the following steps:
s41, when the threaded rod rotates, the bearing can not drive the connecting rod to synchronously rotate, and the inner wall of the supporting cylinder is provided with a guide rail and a groove formed in the outer wall of the connecting rod to be attached to each other, so that the connecting rod can stably slide, and the rotation condition can not occur.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the positioning disc is arranged to facilitate the limiting and clamping of the positions of workpieces with different sizes detected by the verticality comparison measuring instrument, after the electric vehicle annular gear to be detected is placed above the positioning disc, the second motor is enabled to work to drive the driving gear, the sliding plate is enabled to slide at the inner wall of the sliding groove through the rack when the driving gear rotates, the positioning block is enabled to move through the connecting block when the sliding plate moves, the position of the positioning block is enabled to be limited after the symmetrically arranged positioning block is contacted with the outer wall of the electric vehicle annular gear, the aim of limiting the electric vehicle annular gear with different sizes is achieved, the output end of the driving motor can drive the positioning disc to rotate, and then the position of the electric vehicle annular gear fixed above is driven to rotate, so that the verticality comparison measuring instrument can conveniently detect the verticality of the annular gear;
2. according to the invention, the servo motor and the rotating rod are arranged to facilitate the adjustment of the angle of the detection assembly used by the verticality comparison measuring instrument, when the detected angle is adjusted, the output end of the servo motor rotates to drive the rotating rod to rotate, and when the rotating rod rotates, the angle of the dial indicator is adjusted through the first limiting plate, so that the aim of adjusting the detection angle of the verticality comparison measuring instrument is fulfilled, and the verticality of the ring gear of the electric vehicle is conveniently detected according to the actual condition of the site;
3. according to the invention, the exhaust hole and the fan are arranged to facilitate the blowing-off of adsorbates on the outer wall of the workpiece detected by the perpendicularity comparison measuring instrument, when the inner gear ring of the electric vehicle is detected by the dial indicator, in order to prevent the adsorbates on the outer wall of the inner gear ring of the electric vehicle from influencing the detection precision, the fan works to generate wind power, the wind power enters the air delivery pipe and then flows into the exhaust hole, the exhaust hole enables the wind power to be discharged to the outside, the adsorbates on the outer wall of the inner gear ring of the electric vehicle placed above the positioning disk can be blown off, and meanwhile, the telescopic rod can work to push the frame to stably slide in the strip-shaped groove, so that different positions of the inner gear ring of the electric vehicle can be cleaned, the aim of cleaning the adsorbates on the outer wall of the workpiece detected is achieved, and impurities are adsorbed on the detection position of the inner gear ring when the inner gear ring of the electric vehicle is detected by the perpendicularity comparison measuring instrument is avoided, and the detection precision is influenced;
4. according to the invention, the clamping assembly used by the perpendicularity comparison measuring instrument is convenient to replace and maintain by installing the threaded ring and the threaded rod, when the dial indicator used by the perpendicularity comparison measuring instrument is required to replace and maintain, the threaded rod is rotated, the threaded ring can enable the position of the threaded rod to move, when the position of the threaded rod moves, the bearing can pull the position of the connecting rod to move, and the connecting rod moves to drive the position of the second limiting plate to move, so that the position of the dial indicator is not limited, and the replacement and the maintenance of the dial indicator are facilitated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a tank structure according to the present invention;
FIG. 3 is a schematic view of a positioning plate according to the present invention;
FIG. 4 is an enlarged schematic view of the structure A of FIG. 3 according to the present invention;
FIG. 5 is an enlarged schematic view of the structure A of FIG. 1 according to the present invention;
FIG. 6 is a schematic diagram of a bar-shaped groove structure according to the present invention;
FIG. 7 is a schematic view of a mounting frame according to the present invention;
fig. 8 is a flow chart of the operation of the present invention.
In the figure: 1. a base; 2. a support frame; 3. a control box; 4. a first motor; 5. a reciprocating screw rod; 6. a slide block; 7. a mounting frame; 8. a dial gauge; 9. a pointer; 10. a tank body; 11. a driving motor; 12. a positioning plate; 13. a chute; 14. a sliding plate; 15. a connecting block; 16. a positioning block; 17. a rack; 18. a drive assembly; 19. a second motor; 20. a drive gear; 21. a servo motor; 22. a rotating lever; 23. a first limiting plate; 24. a mounting block; 25. a support cylinder; 26. a second limiting plate; 27. a bar-shaped groove; 28. a guide groove; 29. a frame; 30. a blower; 31. a gas pipe; 32. an exhaust hole; 33. a protective box; 34. a telescopic rod; 35. a threaded ring; 36. a threaded rod; 37. a bearing; 38. and (5) connecting a rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 8, an embodiment of the present invention is provided: the utility model provides a straightness comparison measuring apparatu that hangs down, including base 1, the top of base 1 is provided with support frame 2, base 1 supports for straightness comparison measuring apparatu, slider 6 is worn to be equipped with by the inner wall of support frame 2, the outer wall fixedly connected with mounting bracket 7 of slider 6, the inner wall of mounting bracket 7 is provided with detection component, first motor 4 work can drive reciprocal lead screw 5 and rotate, can make the position movement of slider 6 when reciprocal lead screw 5 rotates, the position movement of slider 6 can drive detection component's position movement detects the straightness of electric motor car ring gear through mounting bracket 7, the outer wall of support frame 2 is provided with control box 3, control box 3 and the inside instrument electric connection of straightness comparison measuring apparatu for control straightness comparison measuring apparatu work, the top fixedly connected with first motor 4 of support frame 2, the inner wall of support frame 2 is provided with reciprocal lead screw 5, and the inner wall of slider 6 is worn to establish by the one end of reciprocal lead screw 5, the top and the output fixed connection of first motor 4, mounting bracket 7 is L type, first limiting plate 23 and second limiting plate 26 appearance are circular arc, be used for spacing to the micrometer 8 positions, the bottom and the inside diameter of support frame 2 and the inside diameter of support frame 38 are equal.
Referring to fig. 1, 2, 3 and 4, a groove body 10 is inlaid and installed on the inner wall of a base 1, a driving motor 11 is arranged on the inner wall of the groove body 10, the output end of the driving motor 11 is fixedly connected with a positioning disk 12, sliding grooves 13 are symmetrically arranged on the inner wall of the positioning disk 12, a sliding plate 14 is arranged on the inner wall of the sliding groove 13, a connecting block 15 is fixedly installed on the top of the sliding plate 14, a positioning block 16 is fixedly connected with the top end of the connecting block 15, a rack 17 is inlaid and installed on the inner wall of the sliding plate 14, a driving assembly 18 is arranged on the outer wall of the sliding groove 13, the driving assembly 18 comprises a second motor 19 and a driving gear 20, the second motor 19 is fixedly installed on the inner wall of the driving assembly 18, the outer wall of the driving gear 20 is fixedly connected with the output end of the second motor 19, when the verticality of the inner gear ring of the electric vehicle is detected by the verticality comparison measuring instrument, the inner gear ring of the electric vehicle to be detected is placed above the positioning disk 12, the second motor 19 is enabled to work to drive the driving gear 20, the sliding plate 14 can slide on the inner wall of the sliding groove 13 through the rack 17 when the driving gear 20 rotates, the positioning block 16 can be driven to move through the connecting block 15 when the sliding plate 14 moves, and the position of the inner gear ring of the electric vehicle can be limited after the symmetrically arranged positioning block 16 contacts with the outer wall of the inner gear ring of the electric vehicle, so that the aim of rapidly limiting the inner gear rings of the electric vehicles with different sizes is fulfilled.
Referring to fig. 5 and 7, the detection assembly includes a dial indicator 8 and a pointer 9, the pointer 9 is disposed on the inner wall of the dial indicator 8, the outer wall symmetry of the dial indicator 8 detection rod is provided with a first limiting plate 23 and a second limiting plate 26, the inner wall of the mounting bracket 7 is penetrated with a rotating rod 22, one end of the rotating rod 22 is fixedly connected with the outer wall of the first limiting plate 23, the inner wall of the mounting bracket 7 is provided with a limiting assembly, and the limiting assembly is fixedly connected with the outer wall of the second limiting plate 26, the outer wall of the mounting bracket 7 is provided with a servo motor 21, the output end of the servo motor 21 is fixedly connected with one end of the rotating rod 22, when the detected angle is adjusted, the output end of the servo motor 21 rotates to drive the rotating rod 22 to rotate, the angle of the dial indicator 8 is adjusted through the first limiting plate 23 when the rotating rod 22 rotates, the purpose of adjusting the detection angle of the perpendicularity comparison measuring instrument is achieved, and then the perpendicularity of the electric vehicle ring is detected according to the actual condition on site, the first limiting plate 23 drives the position adjustment of the dial indicator 8, the second limiting plate 26 is driven to synchronously move, the second limiting plate 26 is driven to rotate synchronously, and the second limiting plate 26 is driven to rotate in the position of the inner portion of the supporting cylinder 25, and the connecting rod is further driven to move steadily, and the position of the dial indicator 38 is moved.
Referring to fig. 5 and 6, the bottom of the mounting frame 7 is symmetrically provided with the strip-shaped groove 27, the inner wall of the strip-shaped groove 27 is symmetrically provided with the guide groove 28, the inner wall of the strip-shaped groove 27 is provided with the frame 29, the inner wall of the frame 29 is provided with the fan 30, the bottom of the frame 29 is sequentially provided with the exhaust holes 32, the top end of the exhaust holes 32 is connected with the air pipe 31, the input end of the air pipe 31 is connected with the output end of the fan 30, the outer wall of the strip-shaped groove 27 is provided with the protection box 33, the inner wall of the protection box 33 is provided with the telescopic rod 34, one end of the telescopic rod 34 is fixedly connected with the outer wall of the frame 29, in order to prevent the inner gear ring of the electric vehicle from having adsorbates to influence the detection precision, after the fan 30 works to generate wind power, the wind power enters the inside of the exhaust holes 32, the wind power is discharged to the outside, the outer gear ring of the electric vehicle can be blown off the adsorbates placed above the positioning disk 12, and the telescopic rod 34 works to push the frame 29 to the inside smooth sliding position of the inner gear ring of the strip-shaped groove 27, and further clean the different positions of the electric vehicle ring gear, the detection precision is achieved, and the detection precision is further, and the detection precision of the inner gear ring detection precision is further influenced.
Referring to fig. 7, the mounting block 24 is mounted on the inner wall of the mounting frame 7, the inner ring of the mounting block 24 is connected with the limiting component, the limiting component comprises a supporting cylinder 25 and a connecting rod 38, the supporting cylinder 25 is fixedly mounted on the inner ring of the mounting block 24, the connecting rod 38 is arranged on the inner wall of the supporting cylinder 25 in a penetrating manner, one end of the connecting rod 38 is fixedly connected with the outer wall of the second limiting plate 26, a threaded ring 35 is arranged on the inner wall of the supporting cylinder 25, a threaded rod 36 is arranged on the inner wall of the threaded ring 35 in a penetrating manner, a bearing 37 is arranged at one end of the connecting rod 38, one end of the threaded rod 36 is fixedly connected with the inner ring of the bearing 37, when the dial indicator 8 used by the perpendicularity comparison measuring instrument is replaced and maintained, the threaded rod 36 is rotated, the threaded ring 35 can enable the position of the threaded rod 36 to move, when the position of the threaded rod 36 moves, the bearing 37 can pull the position of the connecting rod 38, the connecting rod 38 moves to drive the position of the second limiting plate 26 to move, and then the position of the dial indicator 8 is not limited, and replacement and maintenance of the dial indicator 8 are facilitated.
A using method of a verticality comparison measuring instrument comprises the following steps:
s1, when the verticality of an electric vehicle inner gear ring is detected by using a verticality comparison measuring instrument, after the electric vehicle inner gear ring to be detected is placed above a positioning disc 12, a second motor 19 is enabled to work to drive a driving gear 20, when the driving gear 20 rotates, a sliding plate 14 is enabled to slide at the inner wall of a sliding groove 13 through a rack 17, when the sliding plate 14 moves, a positioning block 16 is enabled to move through a connecting block 15, after the symmetrically arranged positioning block 16 is contacted with the outer wall of the electric vehicle inner gear ring, the position of the electric vehicle inner gear ring is limited, the aim of rapidly limiting the electric vehicle inner gear rings with different sizes is achieved, an output end of a driving motor 11 can drive the positioning disc 12 to rotate, and then the position of the electric vehicle inner gear ring fixed above is driven to rotate, so that the verticality comparison measuring instrument is convenient to detect the verticality of the electric vehicle inner gear ring;
s2, after limiting the position of an inner gear ring of the electric vehicle, enabling a first motor 4 to work to drive a reciprocating screw rod 5 to rotate, enabling the position of a sliding block 6 to move when the reciprocating screw rod 5 rotates, enabling a position of a detection assembly to move when the position of the sliding block 6 moves to detect the verticality of the inner gear ring of the electric vehicle, enabling an output end of a servo motor 21 to rotate to drive a rotating rod 22 to rotate when the detected angle is required to be adjusted, enabling an angle of a dial indicator 8 to be adjusted through a first limiting plate 23 when the rotating rod 22 rotates, achieving the purpose of adjusting the detection angle of a verticality comparison measuring instrument, further facilitating detection of the verticality of the inner gear ring of the electric vehicle according to the actual situation on site, enabling a second limiting plate 26 to be driven to synchronously move when the first limiting plate 23 drives the position of the dial indicator 8, and enabling a connecting rod 38 to rotate in the support cylinder 25 when the second limiting plate 26 rotates to assist in stably moving the position of the dial indicator 8;
s3, when the dial indicator 8 detects the inner gear ring of the electric vehicle, in order to prevent the adsorbate on the outer wall of the inner gear ring of the electric vehicle from affecting the detection precision, the fan 30 works to generate wind power, after the wind power enters the air delivery pipe 31, the wind power flows into the air exhaust hole 32, the air exhaust hole 32 discharges the wind power to the outside, the adsorbate on the outer wall of the inner gear ring of the electric vehicle placed above the positioning disk 12 can be blown off, and meanwhile, the telescopic rod 34 works to push the frame 29 to stably slide in the strip-shaped groove 27, so that different positions of the inner gear ring of the electric vehicle can be cleaned, the aim of cleaning the adsorbate on the outer wall of a detection workpiece is achieved, and impurities are adsorbed at the detection position of the inner gear ring of the electric vehicle when the verticality comparison measuring instrument detects the inner gear ring of the electric vehicle, and the detection precision is affected;
s4, when the dial indicator 8 used by the perpendicularity comparison measuring instrument needs to be replaced and maintained, the threaded rod 36 is rotated, the threaded ring 35 can enable the position of the threaded rod 36 to move, when the position of the threaded rod 36 moves, the bearing 37 can pull the position of the connecting rod 38 to move, the connecting rod 38 moves to drive the position of the second limiting plate 26 to move, and then the position of the dial indicator 8 is not limited any more, so that replacement and maintenance of the dial indicator 8 are facilitated.
In step S1, the method further includes the steps of:
s11, the size of the transverse section of the sliding plate 14 is equal to the size of the inner wall of the sliding groove 13, and the sliding plate 14 can slide stably through the sliding groove 13 when the position of the sliding plate 14 moves;
in step S2, the method further includes the steps of:
s21, when the dial indicator 8 is contacted with the detection position of the inner gear ring of the electric vehicle, the position of the pointer 9 can jump, so that the detection condition can be displayed, and the verticality of the inner gear ring of the electric vehicle can be detected;
in step S3, the method further includes the steps of:
s31, guide grooves 28 are symmetrically formed in the inner walls of the strip-shaped grooves 27, protrusions corresponding to the guide grooves 28 are symmetrically formed in the outer walls of the frames 29, and when the positions of the frames 29 slide, the frames 29 can slide stably through the cooperation of the guide grooves 28;
in step S4, the method further includes the steps of:
s41, when threaded rod 36 rotates, can not drive connecting rod 38 through bearing 37 and rotate in step, and the inner wall of support section of thick bamboo 25 is provided with the recess laminating that guide rail and connecting rod 38 outer wall set up, can make connecting rod 38 smooth and steady sliding position, can not appear the emergence of rotation condition.
When the verticality of the inner gear ring of the electric vehicle is detected by using the verticality comparison measuring instrument, the inner gear ring of the electric vehicle to be detected is placed above the positioning disk 12, the second motor 19 is enabled to work to drive the driving gear 20, the sliding plate 14 is enabled to slide at the inner wall of the sliding groove 13 through the rack 17 when the driving gear 20 rotates, the positioning block 16 is enabled to move through the connecting block 15 when the sliding plate 14 moves, the positioning block 16 which is symmetrically arranged contacts with the outer wall of the inner gear ring of the electric vehicle can limit the position of the inner gear ring of the electric vehicle, the aim of rapidly limiting the inner gear rings of electric vehicles with different sizes is achieved, the output end of the driving motor 11 can drive the positioning disk 12 to rotate, the upper fixed inner gear ring position of the electric vehicle is driven to rotate, the verticality comparison measuring instrument can conveniently detect the verticality of the inner gear ring of the electric vehicle, after the position of the inner gear ring of the electric vehicle is limited, the first motor 4 is enabled to work to drive the reciprocating screw rod 5 to rotate, the position of the sliding block 6 is enabled to move when the reciprocating screw rod 5 rotates, the position of the sliding block 6 is enabled to drive the position of the detection assembly to move to detect the verticality of the inner gear ring of the electric vehicle through the mounting frame 7 when the position of the sliding block 6 moves, when the detected angle is required to be adjusted, the output end of the servo motor 21 is enabled to rotate to drive the rotating rod 22 to rotate, the angle of the dial indicator 8 is enabled to be adjusted through the first limiting plate 23 when the rotating rod 22 rotates, the aim of adjusting the detection angle of the verticality comparison measuring instrument is achieved, the verticality of the inner gear ring of the electric vehicle is conveniently detected according to the actual condition of the site, the first limiting plate 23 drives the second limiting plate 26 to synchronously move when the position of the dial indicator 8 is driven, when the second limiting plate 26 rotates, the connecting rod 38 is driven to rotate in the supporting cylinder 25, and the position of the dial indicator 8 is further assisted to move steadily, when the dial indicator 8 detects the inner gear ring of the electric vehicle, in order to avoid that the adsorbate on the outer wall of the inner gear ring of the electric vehicle affects the detection precision, the fan 30 works to generate wind power, after the wind power enters the air delivery pipe 31, the wind power flows into the air exhaust hole 32, the air exhaust hole 32 discharges the wind power to the outside, the adsorbate on the outer wall of the inner gear ring of the electric vehicle placed above the positioning disk 12 is blown off, and meanwhile, the telescopic rod 34 works to push the frame 29 to slide steadily in the strip groove 27, and then can clean the different positions of electric motor car ring gear, reach the purpose that detects the work piece outer wall adsorbate and clear away, and then avoided the straightness comparison measuring apparatu to detect the electric motor car ring gear when, ring gear detects the department and adsorb impurity, influence the precision of detection, when need changing the dial indicator 8 that the straightness comparison measuring apparatu used, rotate threaded rod 36, threaded ring 35 can make the position movement of threaded rod 36, the position movement of connecting rod 38 can be pulled through bearing 37 when the position movement of threaded rod 36, the connecting rod 38 removes and no longer carries out spacingly to the position of dial indicator 8 after driving the position movement of second limiting plate 26, and then be convenient for change the maintenance to dial indicator 8.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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 (10)

1. A perpendicularity comparison measuring instrument, comprising:
the device comprises a base (1), wherein a supporting frame (2) is arranged at the top of the base (1), a sliding block (6) is arranged on the inner wall of the supporting frame (2) in a penetrating mode, an installation frame (7) is fixedly connected to the outer wall of the sliding block (6), and a detection assembly is arranged on the inner wall of the installation frame (7);
the inner wall of the base (1) is embedded and provided with a groove body (10), the inner wall of the groove body (10) is provided with a driving motor (11), the output end of the driving motor (11) is fixedly connected with a positioning disc (12), the inner wall of the positioning disc (12) is symmetrically provided with sliding grooves (13), the inner wall of each sliding groove (13) is provided with a sliding plate (14), the top of each sliding plate (14) is fixedly provided with a connecting block (15), the top of each connecting block (15) is fixedly connected with a positioning block (16), and the inner wall of each sliding plate (14) is embedded and provided with a rack (17);
the outer wall of the chute (13) is provided with a driving component (18).
2. The perpendicularity comparing and measuring instrument of claim 1, wherein: the utility model discloses a detection subassembly is including amesdial (8) and pointer (9), pointer (9) set up the inner wall at amesdial (8), the outer wall symmetry of amesdial (8) measuring bar is provided with first limiting plate (23) and second limiting plate (26), the inner wall of mounting bracket (7) is worn to be equipped with dwang (22), and the one end of dwang (22) and the outer wall fixed connection of first limiting plate (23), the inner wall of mounting bracket (7) is provided with spacing subassembly, and the outer wall fixed connection of spacing subassembly and second limiting plate (26), the outer wall of mounting bracket (7) is provided with servo motor (21), and the output of servo motor (21) and the one end fixed connection of dwang (22).
3. The perpendicularity comparing and measuring instrument of claim 1, wherein: the outer wall of support frame (2) is provided with control box (3), the top fixedly connected with first motor (4) of support frame (2), the inner wall of support frame (2) is provided with reciprocating screw (5), and the inner wall of slider (6) is worn to establish in the one end of reciprocating screw (5), the top and the output fixed connection of first motor (4) of reciprocating screw (5), drive assembly (18) include second motor (19) and drive gear (20), second motor (19) fixed mounting is at the inner wall of drive assembly (18), the outer wall of drive gear (20) and the output fixed connection of second motor (19), and drive gear (20) and rack (17) mesh.
4. A perpendicularity comparing and measuring instrument according to claim 2, characterized in that: install installation piece (24) are inlayed to the inner wall of mounting bracket (7), and the inner circle of installation piece (24) is connected with spacing subassembly, and spacing subassembly includes support section of thick bamboo (25) and connecting rod (38), and support section of thick bamboo (25) fixed mounting is at the inner circle of installation piece (24), and connecting rod (38) are worn to be equipped with by the inner wall of support section of thick bamboo (25), and the one end of connecting rod (38) and the outer wall fixed connection of second limiting plate (26).
5. A perpendicularity comparing and measuring instrument according to any one of claims 1-4, characterized in that: the mounting frame (7) is L-shaped, and the appearance of first limiting plate (23) and second limiting plate (26) is circular-arc for spacing dial indicator (8) position, the bottom of reciprocating screw rod (5) and the inner wall swing joint of support frame (2), the diameter of connecting rod (38) equals with the inner circle diameter of support section of thick bamboo (25).
6. The perpendicularity comparing and measuring instrument of claim 5, wherein: the bottom symmetry of mounting bracket (7) is installed bar groove (27), and the inner wall symmetry of bar groove (27) is provided with guide way (28), and the inner wall of bar groove (27) is provided with frame (29), and the inner wall of frame (29) is provided with fan (30), and the bottom of frame (29) has set gradually exhaust hole (32), and the top of exhaust hole (32) is connected with gas-supply pipe (31), and the input of gas-supply pipe (31) is connected with the output of fan (30).
7. The perpendicularity comparing and measuring instrument of claim 6, wherein: the outer wall of bar groove (27) is provided with protective housing (33), and the inner wall of protective housing (33) is provided with telescopic link (34), and the outer wall fixed connection of one end and frame (29) of telescopic link (34).
8. The perpendicularity comparing and measuring instrument of claim 4, wherein: the inner wall of the supporting cylinder (25) is provided with a threaded ring (35), the inner wall of the threaded ring (35) is provided with a threaded rod (36) in a penetrating mode, one end of the connecting rod (38) is provided with a bearing (37), and one end of the threaded rod (36) is fixedly connected with the inner ring of the bearing (37).
9. A method of using a perpendicularity comparing and measuring instrument, adapted to any one of claims 1-8, comprising:
s1, when the verticality of an inner gear ring of an electric vehicle is detected by using a verticality comparison measuring instrument, after the inner gear ring of the electric vehicle to be detected is placed above a positioning disc (12), a second motor (19) is enabled to work to drive a driving gear (20), when the driving gear (20) rotates, a sliding plate (14) can slide on the inner wall of a sliding groove 1 (3) through a rack (17), when the position of the sliding plate (14) moves, a connecting block (15) can drive the position of a positioning block (16) to move, when symmetrically arranged positioning blocks (16) are contacted with the outer wall of the inner gear ring of the electric vehicle, the position of the inner gear ring of the electric vehicle can be limited, the aim of rapidly limiting the inner gear rings of electric vehicles with different sizes is achieved, the output end of the driving motor (11) can drive the positioning disc (12) to rotate, the position of the inner gear ring of the electric vehicle fixed above is driven to rotate, and the verticality comparison measuring instrument can conveniently detect the verticality of the inner gear ring;
s2, after limiting the position of an inner gear ring of the electric vehicle, enabling a first motor (4) to work to drive a reciprocating screw rod (5) to rotate, enabling the position of a sliding block (6) to move when the reciprocating screw rod (5) rotates, enabling a position of a detection assembly to move through a mounting frame (7) to detect the perpendicularity of the inner gear ring of the electric vehicle, enabling an output end of a servo motor (21) to rotate to drive a rotating rod (22) to rotate when the detected angle is required to be regulated, enabling the angle of a dial indicator (8) to be regulated through a first limiting plate (23) when the rotating rod (22) rotates, achieving the purpose of regulating the detection angle of a perpendicularity comparison measuring instrument, and further facilitating detection of the inner gear ring of the electric vehicle according to the actual situation on site, enabling a second limiting plate (26) to be driven to synchronously move when the first limiting plate (23) drives the position of the dial indicator (8), and enabling a connecting rod (38) to rotate in the supporting cylinder (25) when the second limiting plate (26) rotates, and further assisting the position of the dial indicator (8) to smoothly move;
s3, when the dial indicator (8) detects the inner gear ring of the electric vehicle, in order to prevent the adsorbate on the outer wall of the inner gear ring of the electric vehicle from affecting the detection precision, the fan (30) works to generate wind power, the wind power enters the air delivery pipe (31) and then flows into the air exhaust hole (32), the air exhaust hole (32) discharges the wind power to the outside, the adsorbate on the outer wall of the inner gear ring of the electric vehicle placed above the positioning disk (12) is blown off, and meanwhile, the telescopic rod (34) works to push the frame (29) to stably slide in the strip-shaped groove (27), so that different positions of the inner gear ring of the electric vehicle can be cleaned, the aim of cleaning adsorbate on the outer wall of a detection workpiece is achieved, and impurities are adsorbed at the detection position of the inner gear ring when the electric vehicle ring is detected by the perpendicularity comparison measuring instrument, and the detection precision is affected;
s4, when the dial indicator (8) used by the perpendicularity comparison measuring instrument is required to be replaced and maintained, the threaded rod (36) is rotated, the threaded ring (35) can enable the position of the threaded rod (36) to move, the position of the threaded rod (36) can be pulled to move through the bearing (37) when the position of the threaded rod (36) moves, the position of the dial indicator (8) is not limited after the position of the second limiting plate (26) is driven to move by the movement of the connecting rod (38), and replacement and maintenance of the dial indicator (8) are facilitated.
10. The method of claim 9, wherein in the step S1, the method further comprises the steps of:
s11, the size of the transverse section of the sliding plate (14) is equal to the size of the inner wall of the sliding groove (13), and the sliding plate (14) can slide stably through the sliding groove (13) when the position of the sliding plate (14) moves;
in the step S2, the method further includes the following steps:
s21, when the dial indicator (8) is contacted with the detection position of the inner gear ring of the electric vehicle, the position of the pointer (9) can jump, so that the detection condition can be displayed, and the verticality of the inner gear ring of the electric vehicle can be detected;
in the step S3, the method further includes the following steps:
s31, guide grooves (28) are symmetrically formed in the inner wall of the strip-shaped groove (27), protrusions corresponding to the guide grooves (28) are symmetrically formed in the outer wall of the frame (29), and when the position of the frame (29) slides, the frame (29) can slide stably through the cooperation of the guide grooves (28);
in the step S4, the method further includes the following steps:
s41, when threaded rod (36) rotates, can not drive connecting rod (38) to rotate in step through bearing (37), and the inner wall of support section of thick bamboo (25) is provided with the recess laminating that guide rail and connecting rod (38) outer wall set up, can make connecting rod (38) smooth sliding position, can not appear the emergence of rotation condition.
CN202310705377.6A 2023-06-14 2023-06-14 Verticality comparison measuring instrument Pending CN116989646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310705377.6A CN116989646A (en) 2023-06-14 2023-06-14 Verticality comparison measuring instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310705377.6A CN116989646A (en) 2023-06-14 2023-06-14 Verticality comparison measuring instrument

Publications (1)

Publication Number Publication Date
CN116989646A true CN116989646A (en) 2023-11-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310705377.6A Pending CN116989646A (en) 2023-06-14 2023-06-14 Verticality comparison measuring instrument

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117739787A (en) * 2024-02-19 2024-03-22 江苏威鹰机械有限公司 Self-fixing type combined tooth angle measuring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117739787A (en) * 2024-02-19 2024-03-22 江苏威鹰机械有限公司 Self-fixing type combined tooth angle measuring device
CN117739787B (en) * 2024-02-19 2024-05-07 江苏威鹰机械有限公司 Self-fixing type combined tooth angle measuring device

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