CN202119379U - Inspecting device of symmetry of key groove - Google Patents
Inspecting device of symmetry of key groove Download PDFInfo
- Publication number
- CN202119379U CN202119379U CN2011201667616U CN201120166761U CN202119379U CN 202119379 U CN202119379 U CN 202119379U CN 2011201667616 U CN2011201667616 U CN 2011201667616U CN 201120166761 U CN201120166761 U CN 201120166761U CN 202119379 U CN202119379 U CN 202119379U
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- inspecting
- guide rail
- main body
- testing stand
- stand main
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Abstract
The utility model discloses an inspecting device of symmetry of a key groove, which comprises an inspecting frame body and a plurality of inspecting block gauges. A guide rail is arranged on the lateral face of the inspecting frame body, and a concave inspecting position is arranged on one side of the inspecting frame body where the guide rail is arranged. A left positioning device and a right positioning device which are used for fixing the inspecting block gauges are respectively arranged on two sides of the concave inspecting position, and furthermore, and a dial indicator capable of sliding parallelly along the position where the guide rail is arranged is arranged on the inspecting frame body. During the inspection process of the inspecting device of symmetry of the key groove, the inspecting block gauge is fixed through the left positioning device and the right positioning device respectively, and the inspecting block gauge is embedded into a corresponding key groove to be inspected. The dial indicator with a moving trail parallel to the guide rail is arranged, the display number of the dial indicator when the highest point of the outer diameter of a shaft to be inspected is measured respectively through sliding of the dial indicator along the guide rail, and the symmetry differential value is obtained through difference of two displayed numbers. The inspection device and the inspection method of the device are convenient in adjustment process and simple in measuring method and save inspection cost while bringing convenience to inspection work. The inspecting device of symmetry of the key groove is applied to the field of symmetry inspection.
Description
Technical field
The utility model relates to a kind of pick-up unit, particularly relates to a kind of keyway symmetry pick-up unit.
Background technology
Keyway need detect the symmetry of axle both sides keyway after accomplishing through machine work usually, and the detection for keyway symmetry in the past generally comprises three kinds of methods.
One of method is the axis through V-block simulation axle; Through the center line of chock simulation keyway, both contrasts obtain the symmetry value, and this kind detection side ratio juris is clear and easy to understand; Measuring appliance is common easy-to-use; But and the actual working state of analog key, but need the leveling chock in this kind detection method, the feasible detection and inconvenience.
Two of detection method is the center line of simulating keyway that contacts through dull and stereotyped and chock; Calculate the axis of axle through dial gauge; Then both contrasts are obtained the symmetry value, this kind detection method can make things convenient for the actual working state of analog key, but the chock of this kind detection method is difficult for contact fully with dull and stereotyped contacting; Particularly for the bigger axle of diameter, because gravity causes the duplicate measurements error bigger.
The third detection method is the axis that obtains axle through three-dimensional coordinates measurement device measuring cylindrical; Measure the center line that keyway obtains the keyway plane, obtain the symmetry value through COMPUTER CALCULATION then, this kind detection method can be measured arbitrary axis; But when measuring keyway, this detection method can not judge height; Cause under the situation of surfaceness difference reproducibility error big, and the checkout equipment of this detection method is expensive, is unfavorable in the symmetry of keyway detects, being applied.
The utility model content
For addressing the above problem, the utility model provides a kind of measuring process simple and be beneficial to the pick-up unit of the keyway symmetry of adjustment.
The utility model solves the technical scheme that its technical matters adopted:
A kind of keyway symmetry pick-up unit; Comprise testing stand main body and plurality of detection slip gauge; The side of testing stand main body is provided with guide rail; Belong to a side at guide rail on the testing stand main body and be provided with spill detection place, the both sides of spill detection place are respectively equipped with and are used for fixing left locating device and the right locating device that detects slip gauge, and also being provided with on the testing stand main body can the edge and the dial gauge of guide rail position parallel sliding.
Further as the improvement of the utility model technical scheme; The testing stand main body is provided with can be along the slide block of guide rail slip; Be fixedly connected with slide block and be respectively equipped with the screw rod that dial gauge fixed mount and scalable slide block slide; One side of testing stand main body is installed with the threaded block that connects with screw flight, and the end that screw rod stretches out threaded block is provided with rotation hand wheel.
Further as the improvement of the utility model technical scheme; The dial gauge fixed mount comprises and being fixedly installed on the slide block and perpendicular to the support bar of guide rail; The vertical dial plate fixed bar that is provided with support bar; One end of dial plate fixed bar is provided with the dial plate mounting hole, and the other end of dial plate fixed bar is provided with the connection holes that can embed support bar, and connection holes is provided with and is used for fastening fastening bolt.
Further as the improvement of the utility model technical scheme, left locating device and right locating device comprise locating piece respectively, are respectively equipped with the locating piece hole on the locating piece, are provided with the positioning screw that passes said locating piece hole with testing stand main body thread connection.
Further as the improvement of the utility model technical scheme, the testing stand main body is provided with and is used to place the slide plate that detects axle.
Further as the improvement of the utility model technical scheme; The thickness that detects slip gauge greater than width of keyway to be detected+0.002～+ 0.012 millimeter scope in; The width that detects slip gauge is in-2～-4 millimeters scope less than keyway length to be detected; The flatness that detects slip gauge is 0.005, and the depth of parallelism that detects slip gauge is 0.002.
The beneficial effect of the utility model: this keyway symmetry pick-up unit is in testing process; Fix the detection slip gauge through left locating device and right locating device respectively, embed corresponding keyway to be detected with detecting slip gauge, and the movement locus dial gauge parallel with guide rail is set; Slide the registration of dial gauge when measuring axle to be detected external diameter peak respectively through dial gauge along guide rail; Obtain the symmetry deviate through two registration differences, this pick-up unit and this Device Testing method adjustment process are convenient, and measuring method is simple; Practice thrift when detecting cost, brought convenience to tester's work.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is the utility model embodiment device structural front view;
Fig. 2 is the utility model embodiment device structure vertical view.
Embodiment
With reference to Fig. 1, Fig. 2; The utility model is a kind of keyway symmetry pick-up unit; Comprise testing stand main body 1 and plurality of detection slip gauge 2, the side of testing stand main body 1 is provided with guide rail 11, and one side is provided with spill detection place 12 at guide rail 11 places on the testing stand main body 1; The both sides of spill detection place 12 are respectively equipped with and are used for fixing the left locating device 3 and right locating device 4 that detects slip gauge 2, and also being provided with on the testing stand main body 1 can the edge and the dial gauge 5 of guide rail 11 position parallel sliding.
This keyway symmetry pick-up unit is in testing process; Fix through left locating device 3 and right locating device 3 respectively and detect slip gauge 2, embed corresponding keyway to be detected, and the parallel dial gauge 5 of movement locus and guide rail 11 is set detecting slip gauge 2; Through dial gauge 5 along the slide registration of dial gauge 5 when measuring axle external diameter peak to be detected respectively of guide rail 11; Obtain the symmetry deviate through two registration differences, this pick-up unit and this Device Testing method adjustment process are convenient, and measuring method is simple; Practice thrift when detecting cost, brought convenience to tester's work.
As the utility model preferred embodiment; Testing stand main body 1 is provided with can be along the slide block 6 of guide rail 11 slips; Be fixedly connected with slide block 6 and be respectively equipped with the screw rod 8 that dial gauge fixed mount 7 and scalable slide block 6 slide; One side of testing stand main body 1 is installed with the threaded block 9 with screw rod 8 thread connection, and the end that screw rod 8 stretches out threaded block 9 is provided with rotation hand wheel 81.
Dial gauge 5 is fixed as one with slide block 6; Slide on guide rail 11 through slide block 6 and to drive dial gauge 5 parallel sliding; The slip turn rotation hand wheel 81 of slide block 6 drives screw rod 8 motion of in threaded block 9, spinning, and the slide block 6 that is fixed as one with it through screw rod 8 drives carries out parallel motion along guide rail 11; The thread connection that screw rod 8 and threaded block are 9 can guarantee effectively that the motion process of slide block 6 is more steady, but the accuracy of better guarantee dial gauge 5 measurements simultaneously.
As the utility model preferred embodiment; Dial gauge fixed mount 7 comprises and being fixedly installed on the slide block 6 and perpendicular to the support bar 71 of guide rail 11; With the support bar 71 vertical dial plate fixed bars 72 that are provided with; One end of dial plate fixed bar 72 is provided with dial plate mounting hole 73, and the other end of dial plate fixed bar 72 is provided with the connection holes 74 that can embed support bar 71, and connection holes 74 is provided with and is used for fastening fastening bolt 75.
Dial gauge 5 can take out from the dial plate mounting hole 73 of dial plate fixed bar 72 1 ends after detecting completion; Dial plate fixed bar 72 connects with support bar 71 through connection holes 74; And realize the fastening of dial plate fixed bar through tightening fastening bolt 75; Because shaft diameter difference to be measured can cause dial gauge 5 needs to move or move inward along axle is outer, fastening bolt 75 can be tightened or loosen and then can be convenient to moving of dial gauge 5.
As the utility model preferred embodiment; Left side locating device 3 comprises locating piece 31,41 respectively with right locating device 4; Be respectively equipped with locating piece hole 32,42 on the locating piece 31,41, be provided with the positioning screw 33,43 that passes said locating piece hole 32,42 with testing stand main body 1 thread connection.
Detection slip gauge 2 is adjacent to through locating piece 31,41 and guide rail 11 to be realized fixing, and fixes through locking positioning screw rod 33,43 simultaneously and detects slip gauge 2, with the accuracy and the degree of accuracy of effective raising testing process.
As the utility model preferred embodiment, testing stand main body 1 is provided with and is used to place the slide plate 10 that detects axle.、
Axle to be detected needs vertically to place with detection slip gauge and base plate plane;, axle one side to be detected need and be shifted after measuring completion axle rotation to be detected; 10 convenience of slide block axle to be detected does not bump with testing stand main body 1 in the process of rotation displacement, so that influence measuring accuracy.
As the utility model preferred embodiment; The thickness that detects slip gauge 2 greater than width of keyway to be detected+0.002～+ 0.012 millimeter scope in; The width that detects slip gauge 2 is in-2～-4 millimeters scope less than keyway length to be detected; The flatness that detects slip gauge 2 is 0.005, and the depth of parallelism that detects slip gauge 2 is 0.002.
Detect between slip gauge 2 and keyway to be detected and realize interference fit; In testing process, detecting slip gauge 2 is close to keyway to be detected; Help ensureing measuring accuracy; The width that detects slip gauge 2 simultaneously is slightly less than the length of keyway to be detected, then can be convenient to detect slip gauge and embed in the keyway to be detected, and the requirement on machining accuracy that the flatness after detection slip gauge 2 is processed and the depth of parallelism propose then can better improve measuring accuracy.
Certainly; The utility model is created and is not limited to above-mentioned embodiment; Those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (6)
1. keyway symmetry pick-up unit; It is characterized in that: comprise testing stand main body (1) and plurality of detection slip gauge (2); The side of said testing stand main body (1) is provided with guide rail (11); Upward one side is provided with spill detection place (12) to said testing stand main body (1) at guide rail (11) place; The both sides of said spill detection place (12) are respectively equipped with and are used for fixing left locating device (3) and the right locating device (4) that detects slip gauge (2), and also being provided with on the said testing stand main body (1) can the edge and the dial gauge (5) of guide rail (11) position parallel sliding.
2. keyway symmetry pick-up unit according to claim 1; It is characterized in that: said testing stand main body (1) is provided with can be along the slide block (6) of guide rail (11) slip; Be fixedly connected with said slide block (6) and be respectively equipped with the screw rod (8) that dial gauge fixed mount (7) and scalable slide block (6) slide; One side of said testing stand main body (1) is installed with the threaded block (9) with said screw rod (8) thread connection, and the end that said screw rod (8) stretches out threaded block (9) is provided with rotation hand wheel (81).
3. keyway symmetry pick-up unit according to claim 2; It is characterized in that: said dial gauge fixed mount (7) comprises and is fixedly installed in that slide block (6) is gone up and perpendicular to the support bar (71) of guide rail (11); The vertical dial plate fixed bar (72) that is provided with said support bar (71); One end of said dial plate fixed bar (72) is provided with dial plate mounting hole (73); The other end of said dial plate fixed bar (72) is provided with the connection holes (74) that can embed support bar (71), and said connection holes (74) is provided with and is used for fastening fastening bolt (75).
4. keyway symmetry pick-up unit according to claim 1 and 2; It is characterized in that: said left locating device (3) and right locating device (4) comprise locating piece (31,41) respectively; Be respectively equipped with locating piece hole (32,42) on the said locating piece (31,41), be provided with the positioning screw (33,43) that passes said locating piece hole (32,42) with said testing stand main body (1) thread connection.
5. keyway symmetry pick-up unit according to claim 1 and 2 is characterized in that: said testing stand main body (1) is provided with and is used to place the slide plate (10) that detects axle.
6. keyway symmetry pick-up unit according to claim 1; It is characterized in that: the thickness of said detection slip gauge (2) greater than width of keyway to be detected+0.002～+ 0.012 millimeter scope in; The width of said detection slip gauge (2) is in-2～-4 millimeters scope less than keyway length to be detected; The flatness of said detection slip gauge (2) is 0.005, and the depth of parallelism of said detection slip gauge (2) is 0.002.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201667616U CN202119379U (en) | 2011-05-24 | 2011-05-24 | Inspecting device of symmetry of key groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201667616U CN202119379U (en) | 2011-05-24 | 2011-05-24 | Inspecting device of symmetry of key groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119379U true CN202119379U (en) | 2012-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201667616U Expired - Fee Related CN202119379U (en) | 2011-05-24 | 2011-05-24 | Inspecting device of symmetry of key groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202119379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183192A (en) * | 2011-05-24 | 2011-09-14 | 广州康迪克竞和机械制造有限公司 | Device and method for detecting symmetry of key groove |
| CN109682288A (en) * | 2019-03-05 | 2019-04-26 | 井冈山大学 | A kind of key slot symmetry degree of shaft part measurement special measuring tool |
-
2011
- 2011-05-24 CN CN2011201667616U patent/CN202119379U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183192A (en) * | 2011-05-24 | 2011-09-14 | 广州康迪克竞和机械制造有限公司 | Device and method for detecting symmetry of key groove |
| CN109682288A (en) * | 2019-03-05 | 2019-04-26 | 井冈山大学 | A kind of key slot symmetry degree of shaft part measurement special measuring tool |
| CN109682288B (en) * | 2019-03-05 | 2020-08-11 | 井冈山大学 | Special measuring tool for measuring symmetry degree of key groove of shaft part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20160524 |