CN202141411U - Groove width testing device of tapered groove - Google Patents
Groove width testing device of tapered groove Download PDFInfo
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- CN202141411U CN202141411U CN 201120220604 CN201120220604U CN202141411U CN 202141411 U CN202141411 U CN 202141411U CN 201120220604 CN201120220604 CN 201120220604 CN 201120220604 U CN201120220604 U CN 201120220604U CN 202141411 U CN202141411 U CN 202141411U
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a groove width testing device of a tapered groove. The groove width testing device includes a fixed board and a slide scale arranged on the fixed board in a directional movement manner. The fixed board is fixedly connected with a dial gauge or a micrometer gauge which is cooperated with an end of the slide scale and is used to display the relative sliding distance between the fixed board and the slide scale. The lower end of the fixed board is fixedly connected with a right measuring board via a right locking member, and the slide scale is fixedly connected with a left measuring board which is arranged against the right measuring board via a left locking member. The peripheries of the left and right measuring boards are correspondingly provided with left and right working tapered surfaces which are vertically arranged and are used to contact with a groove wall of a to-be-tested tapered groove, and the taper of the left and right working tapered surfaces are in accord with the taper of the to-be-tested tapered groove. The gap between the left and light working tapered surfaces is reduced gradually from top to bottom. The left and right working tapered surfaces are correspondingly provided with left and right measuring surfaces which are arranged from left to right and are used to measure the gap between the left and right working tapered surfaces. The groove width testing device of the tapered groove solves the problem that a conventional measuring method can not measure a specific value of the groove width error.
Description
Technical field
The utility model relates to the machining detection range, relates in particular to a kind of cone tank Groove-width check tool that is used for disc insulator.
Background technology
For used for high-voltage switch disc insulator (being a kind of pouring piece of insulating material) shown in Fig. 1-2: described disk insulator comprises seal groove; Described seal groove is taper perpendicular to its circumferential cross sectional shape, and described seal groove comprises the conical surface 1 and the following conical surface 2 that is connected with last conical surface arc transition, and described groove width size is meant on the cross section circumferential perpendicular to it; Air line distance between two intersection points of the last conical surface 1 and the following conical surface 2 is represented with a; Because the last conical surface 1 and the following conical surface 2 are connected through arc transition, described two intersection points are spatial point, the dimension precision requirement of groove width very high again (0.1mm); Can't detect with general measurer; Existing detection method is to detect through model, and this method can't detect the occurrence of groove width error, causes the finishing difficulty of casting mold; Part c representes the tapering of seal groove among the figure, and part b representes the groove depth of seal groove.
Summary of the invention
The purpose of the utility model is to provide a kind of cone tank Groove-width check tool, to solve the problem that existing detection method can't detect the occurrence of groove width error.
In order to address the above problem, the technical scheme of the utility model is:
The cone tank Groove-width check tool; Comprise and decide plate and the mobile slide rule of deciding on the plate that is assemblied in of guiding; Define the said direction that relatively moves of deciding plate and said slide rule is left and right directions at present; Direction perpendicular to left and right directions is an above-below direction; Described decide to be fixed with on the plate cooperate and be used to show said dial gauge or the clock gauge of deciding plate and the relative sliding distance of said slide rule with an end of said slide rule; Describedly decide the plate lower end and be fixed with the right plate of measuring, be fixed with and the described right left side measurement plate of measuring corresponding settings of plate through left locking member on the described slide rule through right locking member, the periphery of described left and right measurement plate along the vertical direction respectively correspondence be provided with and be used for and the cell wall contact of tested cone tank and the identical left and right work conical surface of tapering of tapering and tested cone tank; Spacing between the described left and right work conical surface is dwindled from top to bottom gradually, and left and right directions corresponding respectively being provided with in described left and right work conical surface upper edge is used to measure its left and right measurement face of distance between the two.
Described left and right measurement face coplanar and laterally arrange with the groove bottom of tested cone tank; Distance between the lower surface of said left measurement face and left side measurement plate is not more than the groove depth of tested cone tank; Distance between the lower surface of described right measurement face and right measurement plate is not more than the groove depth of tested cone tank; The lower surface that plate is measured on a described left side is provided with along the vertical direction can free adjustment and the backstay of locking, and the lower surface of described backstay has the location end face that is used in the bottom land contact location of tested cone tank.
Describedly decide plate upper edge left and right directions and be connected to be provided with and be used for the gauge stand that clock gauge or dial gauge are installed; Offer the gauge stand chute that is used for the slide rule slidable fit in the described gauge stand; Describedly decide plate and in the gauge stand chute, be provided with right ledge structure; Be installed with the baffle ring with the corresponding setting of said right ledge structure through the gauge stand jackscrew in the described gauge stand chute; Middle the offering of described baffle ring is used for the through hole that slide rule wears, and the top is furnished with the top spring that is used to keep slide rule and decides the plate move toward one another between described baffle ring and the right ledge structure.
Described slide rule upper edge left and right directions offers slotted hole, describedly decides plate and is provided with and is used for cooperating with said slotted hole and slide rule being moved spacing backing pin along left and right directions.
Describedly decide in the plate to be provided with rolling bearing in the both sides of the upper and lower of slide rule; Described every group of rolling bearing includes the moving rolling bearing of activity along the vertical direction; Described decide to be provided with in the plate be used for the axis of rolling bolster that each moving rolling bearing rotates assembling; Described each moving axis of rolling bolster along the vertical direction slidable fit in deciding plate, described decide also to be provided with on the plate be used for that each moving axis of rolling bolster locks decide the plate jackscrew.
Turn over the right rebound that is wholely set with it under the described left side of deciding plate, the described right bottom that plate is removable through right screw rod and right nut, be fixed on said right rebound of measuring, described right rebound, right screw rod and right nut are right locking member; Described left locking member for through lock-screw along the left and right directions slidable fit on said slide rule and length towards the left rebound that extends below, the bottom that plate is removable through left screw rod and left nut, be fixed on said left rebound is measured on a described left side.
The bottom of described left rebound be provided with along left and right directions can elastic deformation two left elastic plates; Be provided with left elastic gap between described two left elastic plates; A described left side is measured plate and is plugged in the left elastic gap between described two left elastic plates; Described two left elastic plates and a described left side are measured plate and are locked and dismantle through left screw rod and left nut along the left and right directions setting, and described left side measurement plate offers along the vertical direction and is used for its mobile along the vertical direction left vertical core of regulating; The bottom of described right rebound be provided with along left and right directions can elastic deformation two right elastic plates; Be provided with right elastic gap between described two right elastic plates; The described right plate of measuring is plugged in the right elastic gap between described two right elastic plates; Described two right elastic plates and the described right plate of measuring are locked and are dismantled through right screw rod and right nut along the left and right directions setting, and described right measurement plate offers along the vertical direction and is used for its mobile along the vertical direction right vertical core of regulating.
The top of said left side measurement plate work conical surface in a left side and the connecting portion between the left rebound have the circular arc workplace along the cross section of left and right directions; The connecting portion of said right measurement plate between the right side work conical surface and right rebound has the circular arc workplace along the cross section of left and right directions.
Described backstay is arranged at the bottom that plate is measured on a left side; Described backstay is a screw rod; The lower surface of said screw rod is the location end face; A described left side is measured plate and is provided with the screw that is used for the backstay threaded engagement, and described Groove-width check tool comprises that also being used for that a left side is locked and be arranged to backstay measures the backstay nut of plate away from slide rule end end.
The outer peripheral face that plate is measured on a described left side is provided with boss, and the bottom surface of said boss and described left and right measurement face coplanar are provided with.
The beneficial effect of the utility model; Tapering and groove depth according to tested cone tank select a corresponding left side to measure plate and the right plate of measuring; Correspondence is meant the tapering of the left and right work conical surface, and the tapering with tested cone tank is identical respectively; Choosing left measurement face and a left side, to measure in the spacing between the lower surface of spacing and right measurement face and right side measurement plate between the lower surface of plate a larger-size groove depth with tested cone tank identical; This moment, the maximum spacing between the left and right measurement face was the groove width size, was stuck in the maximum spacing place of said left and right measurement face with the milscale of the groove width size with standard, and adjustment dial gauge or clock gauge are to zero; Then described left and right measurement plate is positioned in the tested cone tank; And the lower surface or the right lower surface of measuring plate that make a left side measure plate contact with the bottom land of tested cone tank, and the left and right work conical surface closely is adjacent to the cell wall of corresponding cone tank respectively, and left and right measurement strip is moved slide rule and moved; The reading of clock gauge or dial gauge is the error amount of the groove width and the standard groove width of tested cone tank at this moment, and the utility model has solved the problem that existing detection method can't detect the occurrence of groove width error.
Description of drawings
Fig. 1 is the structural representation of disc insulator in the utility model background technology;
Fig. 2 is the A place enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment;
Fig. 4 is the cut-open view of Fig. 3;
Fig. 5 is the N position enlarged drawing of Fig. 3;
Fig. 6 is the side view at the N position of Fig. 3;
Fig. 7 is a structural representation of deciding plate among Fig. 4;
Fig. 8 is that the H of Fig. 7 is to cut-open view;
Fig. 9 is the structural representation of axis of rolling bolster among Fig. 4;
Figure 10 is the side view of Fig. 9;
Figure 11 is the structural representation of left rebound among Fig. 4;
Figure 12 is the side view of Figure 11;
Figure 13 is the structural representation of slide rule among Fig. 4;
Figure 14 is the side view of Figure 13;
Figure 15 is the structural representation of baffle ring among Fig. 4;
Figure 16 is the side view of Figure 15;
Figure 17 is the structural representation of backstay among Fig. 4;
Figure 18 is the side view of Figure 17;
Figure 19 is the structural representation of left and right screw rod among Fig. 4;
Figure 20 is the side view of Figure 19;
Figure 21 is the structural representation of left and right nut among Fig. 4;
Figure 22 is the side view of Figure 21;
Figure 23 is the structural representation of backstay nut among Fig. 4;
Figure 24 is the side view of Figure 23;
Figure 25 is the structural representation that plate is measured on a left side among Fig. 4;
Figure 26 is the cut-open view of Figure 25;
Figure 27 is the side view of Figure 25;
Figure 28 is the vertical view of Figure 25;
Figure 29 is that I among Figure 26 is to cut-open view;
Figure 30 is that K among Figure 26 is to cut-open view;
Figure 31 is the structural representation that Fig. 4 right-of-center in political views measures plate;
Figure 32 is the cut-open view of Figure 31;
Figure 33 is the vertical view of Figure 32;
Figure 34 is that L among Figure 32 is to cut-open view;
Figure 35 is that M among Figure 32 is to cut-open view.
Embodiment
Embodiment is shown in Fig. 3 ~ 35: the cone tank Groove-width check tool comprises and decides plate 5 and lead to move to be assemblied in the slide rule of deciding on the plate 56 that define said relative glide direction of deciding plate 5 and said slide rule 6 is left and right directions at present; Direction perpendicular to left and right directions is an above-below direction, describedly decides plate 5 for through decide a pair of to plate of plate bolt 9 lockings, described decide to be fixed with on the plate 5 cooperate and be used to show the said dial gauge 3 of deciding plate 5 and said slide rule 6 relative sliding distances with an end of said slide rule 6; Describedly decide plate 5 upper edge left and right directions and be connected to be provided with and be used for the gauge stand 4 that dial gauge 3 is installed, offer in the described gauge stand 4 and be used for the gauge stand chute of slide rule 6, describedly decide plate and in the gauge stand chute, be provided with right ledge structure 32 along the left and right directions slidable fit; Be installed with the baffle ring 10 with said right ledge structure 32 corresponding settings through gauge stand jackscrew 11 in the described gauge stand chute; It circumferentially offers the outer peripheral face upper edge of described baffle ring 11 and is used for the annular groove that join on gauge stand jackscrew 11 top, offers along left and right directions in the middle of the described baffle ring 10 to be used for the through hole that slide rule 6 wears, and the top is furnished with and is used to keep slide rule 6 and decides the top spring 12 of plate 5 move toward one another between described baffle ring 10 and the right ledge structure 32; Described slide rule 6 is limited in the cooperation place of deciding plate 5 and gauge stand 4 through left ledge structure 31; Also be provided with the dial gauge clamping screw that is used for dial gauge 3 locking on the described gauge stand 4, describedly decide to be provided with two groups in slide rule 6 both sides along the vertical direction in the plate 5 and be used for deciding mobile rolling bearing 17 more flexibly between plate 5 and the slide rule 6, described every group of rolling bearing includes the moving rolling bearing 13 that can move along the vertical direction; Described decide to be provided with in the plate 5 be used for the axis of rolling bolster 15 that each moving rolling bearing 13 rotates assembling; Slidable fit is in deciding plate 5 along the vertical direction for described each axis of rolling bolster 15, and described axis of rolling bolster 15 is a herringbone rolling bearing frame, describedly decides plate 5 upper edge left and right directions and also is provided with and is used for horizontal jackscrew 14 that each axis of rolling bolster 15 locks along left and right directions and is used for the vertical jackscrew 16 that each axis of rolling bolster 15 is locked along the vertical direction; Described slide rule 6 upper edge left and right directions offer slotted hole 30; Described decide plate 5 be provided be used for cooperating with said slotted hole 30 and to slide rule 6 along the spacing backing pin 20 of left and right directions, described bottom of deciding plate 5 is fixed with the right plate 8 of measuring through right locking member, the going up to be fixed with described through left locking member of described slide rule 6 rightly measures that plate 9 is corresponding to be provided with and through cooperating to detect the left side measurement plate 8 of tested cone tank groove width with the said right plate 9 of measuring; Corresponding respectively along the vertical direction being provided with of the periphery of described left and right measurement plate is used for and the cell wall contact of tested cone tank and the identical left and right work conical surface of tapering of tapering and tested cone tank; Spacing between the described left and right work conical surface is dwindled from top to bottom gradually, and left and right directions corresponding respectively being provided with in described left and right work conical surface upper edge is used to measure its left and right measurement face of distance between the two, described left and right measurement face coplanar and laterally arrange with the groove bottom of tested cone tank; Distance between the lower surface of said left measurement face 70 and left side measurement plate 8 is not more than the groove depth of tested cone tank; Described right measurement face 71 and right is measured the groove depth that distance between the lower surface of plate 9 is not more than tested cone tank, and the lower surface that plate 8 is measured on a described left side is provided with along the vertical direction can free adjustment and the backstay 23 of locking, and the lower surface of described backstay 23 has the location end face 72 that is used in the bottom land contact location of tested cone tank; In the present embodiment; Spacing between the lower surface of plate 8 is measured greater than the spacing between the lower surface of said right measurement face 71 and right measurement plate 8 in a described left measurement face 70 and a left side, turns over the right rebound 53 that is wholely set with it under the described left side of deciding plate 5, and described right rebound 53 is the trapezoidal transition plate; The described right bottom that plate 8 is removable with right nut through right screw rod 22, be fixed on said right rebound 53 of measuring, described right rebound 53, right screw rod 22 and right nut are right locking member; Described left locking member for through lock-screw 18 along the left and right directions slidable fit on said slide rule 6 and length towards the left rebound 7 that extends below; Described left rebound 7 is the trapezoidal transition plate; The bottom that plate 8 is 21 removable through left screw rod and left nut, be fixed on said left rebound 7 is measured on a described left side; The bottom of described left rebound 7 be provided with along left and right directions can elastic deformation two left elastic plates 54; Be provided with left elastic gap 55 between described two left elastic plates 54; A described left side is measured plate 8 and is plugged in the left elastic gap 55 between described two left elastic plates 54; Described two left elastic plates 54 are locked and are dismantled through left screw rod and left nut 21 along the left and right directions setting with the described left plate 8 of measuring, and described left side measurement plate 8 offers along the vertical direction and is used for the left vertical core 56 that it moves adjusting along the vertical direction; The bottom of described right rebound 53 be provided with along left and right directions can elastic deformation two right elastic plates 57; Be provided with right elastic gap 58 between described two right elastic plates 57; The described right plate 9 of measuring is plugged in the right elastic gap 58 between described two right elastic plates 57; Described two right elastic plates 57 are locked and are dismantled with right nut through the right screw rod 22 along the left and right directions setting with the described right plate 9 of measuring; The described right plate 9 of measuring offers along the vertical direction and is used for it and moves the right vertical core of regulating 59 along the vertical direction, and top and the position between the left rebound 7 that plate 8 work conical surface 60 in a left side is measured on a said left side has left circular arc workplace 74 along the cross section of left and right directions; The top of said right measurement plate 9 work conical surface 61 in the right side and the position between the right rebound 53 have right circular arc workplace 75 along the cross section of left and right directions; The described right plate 9 of measuring offers the arc groove 41 that is used for 8 insertings of left side measurement plate along its length direction; A described left side is measured plate 8 and is provided with the arc convex 40 with arc groove 41 corresponding settings along its length direction, and described backstay 23 is a screw rod, and the lower surface of said screw rod is locatees end face 72; A described left side is measured plate 8 and is provided with the screw 40 that is used for backstay 23 threaded engagement; Described Groove-width check tool comprises also and is used for backstay nut 24 that backstay 23 is locked that a described left side is measured plate 8 and is provided with boss 25, the bottom surface of said boss 25 and described left and right work conical surface coplanar setting; In other embodiment of the utility model; Described backstay 23 also can be arranged at right the measurement on the plate 9, and described boss 25 also can be arranged at right the measurement on the plate 9, when the groove depth of distance and tested cone tank between the lower surface of face 70 and left side measurement plate 8 is measured when identical in a left side; Backstay 23 can not established yet, and described dial gauge 3 also can be a clock gauge.
During use; The principle of work of this cone tank Groove-width check tool does; When the distance between the location end face of left and right measurement face and said backstay 23 is groove depth; Maximum spacing between the left and right measurement face is the groove width size at this moment; This cone angle according to tested cone tank is selected corresponding left and right measurement plate; In groove width according to cone tank to be detected, adjust the groove width size that spacing between the left and right measurement face is slightly larger than tested cone tank, use the maximum distance apart that is stuck in left and right measurement face with the corresponding to milscale of groove width size of tested cone tank then; Adjust dial gauge then to zero; The location end face 72 of adjusting backstay 23 according to the groove depth of cone tank to be detected is consistent with the groove depth of tested cone tank to the distance of the bottom surface of boss 25, then this Groove-width check tool is put into tested cone tank and the location end face 72 of backstay 23 is contacted with the bottom land of tested cone tank, and left and right measurement plate is tightly fitted with the cell wall of tested cone tank respectively under the effect of top spring; At this time the reading on the dial gauge is the groove width of tested cone tank and the error amount between the standard groove width, and the utility model can be used for detecting the groove width of the seal groove of used for high-voltage switch disc insulator.
Claims (10)
1. cone tank Groove-width check tool; It is characterized in that: comprise and decide plate and the mobile slide rule of deciding on the plate that is assemblied in of guiding; Define the said direction that relatively moves of deciding plate and said slide rule is left and right directions at present; Direction perpendicular to left and right directions is an above-below direction; Described decide to be fixed with on the plate cooperate and be used to show said dial gauge or the clock gauge of deciding plate and the relative sliding distance of said slide rule with an end of said slide rule; Describedly decide the plate lower end and be fixed with the right plate of measuring, be fixed with and the described right left side measurement plate of measuring corresponding settings of plate through left locking member on the described slide rule through right locking member, the periphery of described left and right measurement plate along the vertical direction respectively correspondence be provided with and be used for and the cell wall contact of tested cone tank and the identical left and right work conical surface of tapering of tapering and tested cone tank; Spacing between the described left and right work conical surface is dwindled from top to bottom gradually, and left and right directions corresponding respectively being provided with in described left and right work conical surface upper edge is used to measure its left and right measurement face of distance between the two.
2. cone tank Groove-width check tool according to claim 1; It is characterized in that: described left and right measurement face coplanar and laterally arrange with the groove bottom of tested cone tank; Distance between the lower surface of said left measurement face and left side measurement plate is not more than the groove depth of tested cone tank; Distance between the lower surface of described right measurement face and right measurement plate is not more than the groove depth of tested cone tank; The lower surface that plate is measured on a described left side is provided with along the vertical direction can free adjustment and the backstay of locking, and the lower surface of described backstay has the location end face that is used in the bottom land contact location of tested cone tank.
3. cone tank Groove-width check tool according to claim 1; It is characterized in that: describedly decide plate upper edge left and right directions and be connected to be provided with and be used for the gauge stand that clock gauge or dial gauge are installed; Offer the gauge stand chute that is used for the slide rule slidable fit in the described gauge stand; Describedly decide plate and in the gauge stand chute, be provided with right ledge structure; Be installed with the baffle ring with corresponding settings of said right ledge structure through the gauge stand jackscrew in the described gauge stand chute, described baffle ring centre offers and is used for the through hole that slide rule wears, and pushes up between described baffle ring and the right ledge structure and is furnished with the top spring that is used to keep slide rule and decides the plate move toward one another.
4. cone tank Groove-width check tool according to claim 3 is characterized in that: described slide rule upper edge left and right directions offers slotted hole, describedly decides plate and is provided with and is used for cooperating with said slotted hole and slide rule being moved spacing backing pin along left and right directions.
5. cone tank Groove-width check tool according to claim 1; It is characterized in that: describedly decide in the plate to be provided with rolling bearing in the both sides of the upper and lower of slide rule; Described every group of rolling bearing includes the moving rolling bearing of activity along the vertical direction; Described decide to be provided with in the plate be used for the axis of rolling bolster that each moving rolling bearing rotates assembling; Described each moving axis of rolling bolster along the vertical direction slidable fit in deciding plate, described decide also to be provided with on the plate be used for that each moving axis of rolling bolster locks decide the plate jackscrew.
6. cone tank Groove-width check tool according to claim 1; It is characterized in that: turn over the right rebound that is wholely set with it under the described left side of deciding plate; The described right bottom that plate is removable through right screw rod and right nut, be fixed on said right rebound of measuring, described right rebound, right screw rod and right nut are right locking member; Described left locking member for through lock-screw along the left and right directions slidable fit on said slide rule and length towards the left rebound that extends below, the bottom that plate is removable through left screw rod and left nut, be fixed on said left rebound is measured on a described left side.
7. cone tank Groove-width check tool according to claim 5; It is characterized in that: the bottom of described left rebound be provided with along left and right directions can elastic deformation two left elastic plates; Be provided with left elastic gap between described two left elastic plates; A described left side is measured plate and is plugged in the left elastic gap between described two left elastic plates; Described two left elastic plates and a described left side are measured plate and are locked and dismantle through left screw rod and left nut along the left and right directions setting, and described left side measurement plate offers along the vertical direction and is used for its mobile along the vertical direction left vertical core of regulating; The bottom of described right rebound be provided with along left and right directions can elastic deformation two right elastic plates; Be provided with right elastic gap between described two right elastic plates; The described right plate of measuring is plugged in the right elastic gap between described two right elastic plates; Described two right elastic plates and the described right plate of measuring are locked and are dismantled through right screw rod and right nut along the left and right directions setting, and described right measurement plate offers along the vertical direction and is used for its mobile along the vertical direction right vertical core of regulating.
8. cone tank Groove-width check tool according to claim 7 is characterized in that: the top of said left side measurement plate work conical surface in a left side and the connecting portion between the left rebound have the circular arc workplace along the cross section of left and right directions; The connecting portion of said right measurement plate between the right side work conical surface and right rebound has the circular arc workplace along the cross section of left and right directions.
9. cone tank Groove-width check tool according to claim 2; It is characterized in that: described backstay is arranged at the bottom that plate is measured on a left side; Described backstay is a screw rod; The lower surface of said screw rod is the location end face, and a described left side is measured plate and is provided with the screw that is used for the backstay threaded engagement, and described Groove-width check tool comprises that also being used for that a left side is locked and be arranged to backstay measures the backstay nut of plate away from slide rule end end.
10. cone tank Groove-width check tool according to claim 2 is characterized in that: the outer peripheral face that plate is measured on a described left side is provided with boss, and the bottom surface of said boss and described left and right measurement face coplanar are provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120220604 CN202141411U (en) | 2011-06-27 | 2011-06-27 | Groove width testing device of tapered groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120220604 CN202141411U (en) | 2011-06-27 | 2011-06-27 | Groove width testing device of tapered groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202141411U true CN202141411U (en) | 2012-02-08 |
Family
ID=45552467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120220604 Expired - Lifetime CN202141411U (en) | 2011-06-27 | 2011-06-27 | Groove width testing device of tapered groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202141411U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997883A (en) * | 2012-11-18 | 2013-03-27 | 无锡麦铁精密机械制造有限公司 | End distance detection tool of two-end spherical connection rod |
| CN105043208A (en) * | 2015-07-30 | 2015-11-11 | 河南平高电气股份有限公司 | Groove width measuring device |
| CN106123740A (en) * | 2016-08-26 | 2016-11-16 | 山东钢铁股份有限公司 | A kind of forklift door frame channel-section steel certain height inner width survey tool and measuring method thereof |
-
2011
- 2011-06-27 CN CN 201120220604 patent/CN202141411U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997883A (en) * | 2012-11-18 | 2013-03-27 | 无锡麦铁精密机械制造有限公司 | End distance detection tool of two-end spherical connection rod |
| CN105043208A (en) * | 2015-07-30 | 2015-11-11 | 河南平高电气股份有限公司 | Groove width measuring device |
| CN106123740A (en) * | 2016-08-26 | 2016-11-16 | 山东钢铁股份有限公司 | A kind of forklift door frame channel-section steel certain height inner width survey tool and measuring method thereof |
| CN106123740B (en) * | 2016-08-26 | 2020-01-07 | 山东钢铁股份有限公司 | Tool and method for measuring specific height and inner width of forklift gantry channel steel |
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Owner name: PINGGAO ELECTRIC CO., LTD., HENAN Free format text: FORMER OWNER: PINGGAO GROUP CO., LTD. Effective date: 20131210 |
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Effective date of registration: 20131210 Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee after: Pinggao Electric Co., Ltd., Henan Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: Pinggao Group Co., Ltd. |
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Granted publication date: 20120208 |