CN108088354A - A kind of measurer for detecting bend pipe space angle degree - Google Patents
A kind of measurer for detecting bend pipe space angle degree Download PDFInfo
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- CN108088354A CN108088354A CN201810057094.4A CN201810057094A CN108088354A CN 108088354 A CN108088354 A CN 108088354A CN 201810057094 A CN201810057094 A CN 201810057094A CN 108088354 A CN108088354 A CN 108088354A
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- bend pipe
- slot
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- screw
- measurer
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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
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention belongs to test measuring device technical fields, more particularly to a kind of measurer for detecting bend pipe space angle degree, including pedestal, measurement swing arm and vertical and be slidably arranged in the stent on pedestal, it is slided on the pedestal and is provided with for the positioning end of bend pipe to be vertically located in the first positioner on pedestal and the clamping device for the positioning end of bend pipe to be clamped, the clamping center of the clamping device is overlapped with the positioning end axis of bend pipe, first positioner is closer or far from bracket slide, it is slided up and down on the stent and is provided with rectangle platform, one end of the measurement swing arm is hinged on rectangle platform, the bottom surface of the measurement swing arm, which is slided, to be provided with for the end to be measured of bend pipe to be vertically located in the second positioner in measurement swing arm.Advantageous effect：The measurer of the detection bend pipe space angle degree of the present invention is simple in structure, easy to operate, of low cost, and the inspection to the measurement of bend pipe space angle degree and to bulk article correlated quality can be completed under non-high-precision testing requirements.
Description
Technical field
The invention belongs to test measuring device technical field more particularly to a kind of measurers for detecting bend pipe space angle degree.
Background technology
Bend pipe is a kind of widely used part very common in industrial circle, and processing technology generally first give birth to by processing
Then growth straight tube carries out related bending operation via bender, completes the generation of part.The processing of wherein cold bending is mainly led to
Physics bending realization is crossed, therefore for material itself plasticity difference, whether the bend pipe after bending is fully achieved design production
It needs, this, which just becomes, restricts the also fine or not key of bend pipe product quality.
Currently as the best mode of detection bend pipe Angular Dimension certainly three coordinate measuring machine, but assembly line is used as to give birth to
Product is produced, three coordinate measurements is used to be undoubtedly time-consuming and laborious and testing cost to it excessively high, is unsatisfactory for actual production benefit.Remaining
The settling mode generally used now is directly to make corresponding gauge, i.e. fixed type bent pipe angle detection device, uses work(
Can be single, and be detected just for the bent pipe parts for meeting self-view measuring condition, it can not be general, as flow line production
It is meet demand to detect its corresponding product quality in the process, but its function lacks flexibility, still has much room for improvement.Also
Some bend pipe angle detection tools can only detect two dimension angular in same plane, and function is more single or complicated discomfort
Close execute-in-place.
The content of the invention
To solve, existing in the prior art time-consuming and laborious using three coordinate measurement bend pipe Angular Dimensions and testing cost is excessively high
The problem of, the present invention provides a kind of measurer for detecting bend pipe space angle degree.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows, a kind of detection bend pipe space angle degree
Measurer, including pedestal, measurement swing arm and stent that is vertical and being slidably arranged on pedestal, on the pedestal, slip, which is provided with, is used for
The first positioner that the positioning end of bend pipe is vertically located on pedestal and the clamping dress for the positioning end of bend pipe to be clamped
It puts, the clamping center of the clamping device is overlapped with the positioning end axis of bend pipe, and first positioner is closer or far from branch
Frame slides, and is slided up and down on the stent and is provided with rectangle platform, and one end of the measurement swing arm is hinged on rectangle platform, the survey
The bottom surface of amount swing arm, which is slided, to be provided with for the end to be measured of bend pipe to be vertically located in the second positioner in measurement swing arm.
Preferably, first positioner includes the first taper platform coordinated with the positioning end of bend pipe, described first
The axis of taper platform is perpendicular to the top surface of pedestal.The positioning end of bend pipe is sleeved on the first taper platform, the axis of the positioning end of bend pipe
With the axis automatic reclosing of the first taper platform and be each perpendicular to the top surface of pedestal, simple in structure, easy to operate, accurate positioning, into
This is relatively low.
Preferably, second positioner includes the second taper platform coordinated with the end to be measured of bend pipe, described second
The axis of taper platform vertically with measure swing arm plane perpendicular.Sliding support, rectangle platform and rotation measuring swing arm, make the second taper
On the end to be measured of platform insertion bend pipe, the axis automatic reclosing of the axis at the end to be measured of bend pipe and the second taper platform simultaneously is each perpendicular to survey
The bottom surface of amount swing arm, simple in structure, easy to operate, accurate positioning, cost are relatively low.
Preferably, the clamping device includes the clamping seats for being arranged on the first taper platform both sides, opened up on the pedestal
There is T-slot, lock-screw, the bottom of the clamping seats and the nut with lock-screw cooperation are provided on the first taper platform
It is slidably arranged in T-slot, upright bar is fixed on the clamping seats, sliding sleeve is equipped with gripping block, the folder in the upright bar
The both sides of tight block are symmetrical arranged there are two fastening bolt, and the fastening bolt through two gripping blocks and presss from both sides gripping block
Tightly.After the positioning end of bend pipe is sleeved on the first taper platform, two gripping blocks are slided, make the height of gripping block and the positioning end of bend pipe
Apart from moderate, screwing fastening bolt makes clamping device clamp the positioning end of bend pipe, improves the stability of bend pipe positioning, improves
The measurement accuracy of measurer.
Preferably, being opened up on the pedestal there are two L-type slot, two L-type slots are symmetrically distributed in the two of T-slot
Side, there are two the L-type sliding blocks with the cooperation of L-type slot for the lower section fixation of the first taper platform.The setting of two L-type slots is bored to first
Shape platform plays guiding role, and L-type slot and T-slot cooperation further improve the stability of the first taper platform slip, the amount of improving
The measurement accuracy of tool.
Further, the side of the pedestal also offers T-slot and is symmetrically distributed in the L-type slot of T-slot both sides, described
The lower part of stent is provided at least two lock-screws, and the head of the lock-screw is slidably arranged in T-slot, the lock
The tailing screw flight of tight screw is connected with set lever, and the side of the stent is fixed with the L-type sliding block with the cooperation of L-type slot.
Guiding role is played stent in the setting of two L-type slots, and L-type slot and T-slot cooperation further improve the stabilization of bracket slide
Property improves the measurement accuracy of measurer；Set lever is screwed by stent locking positioning, simple in structure, function-stable, cost compared with
Low, easy to operate quick, at least two lock-screws improve the stability to stent positioning.
Further, through there is locking slot on the stent, the both sides of the locking slot are also symmetrically distributed with the L-type
Slot, the side of the rectangle platform are fixed with the L-type sliding block with the cooperation of L-type slot, the locking are provided on the rectangle platform
Screw, the lock-screw are slidably arranged in locking slot and through locking slots, and the afterbody of the lock-screw is connected with described
Set lever is arranged with sliding slot gasket on the lock-screw, has on the sliding slot gasket and two inner walls of locking slot coordinate
Anti-rotation sheet.Guiding role is played rectangle platform in the setting of two L-type slots, and L-type slot and locking slot cooperation further improve square
The stability that shape platform slides improves the measurement accuracy of measurer；Set lever is screwed by rectangle platform locking positioning, it is simple in structure,
Function-stable, cost is relatively low, easy to operate quick.
Further, the locking slot has been also extended through in the measurement swing arm, the both sides of the locking slot are symmetrically distributed with
The L-type slot, the bottom surface of the second taper platform are fixed with the L-type sliding block with the cooperation of L-type slot, on the second taper platform
The lock-screw is provided with, the lock-screw is slidably arranged in locking slot and passes through locking slot, the lock-screw
Afterbody is connected with the set lever, and sliding slot gasket is arranged on the lock-screw, is had and locking on the sliding slot gasket
The anti-rotation sheet of the two inner walls cooperation of slot.The setting of two L-type slots plays guiding role, L-type slot and locking slot to the second taper platform
Cooperation further improves the stability of the second taper platform slip, improves the measurement accuracy of measurer；Set lever is screwed by
Two taper stand lock tightening positions, simple in structure, function-stable, cost is relatively low, easy to operate quick.
Further, the both sides of the rectangle platform offer T-shaped sliding slot, slide and are provided in two T-shaped sliding slots
Axle sleeve is clamped, the bottom of the measurement swing arm is fixedly installed rotary axle box, and the rotary axle box is located at two clamp shafts
Between set, the lock-screw passes through rotary axle box and two clamp shaft sets for rotary axle box to be clamped.It is simple in structure,
Assembling is easy, and swift to operate, cost is relatively low.
Further, be provided with the angle index of one week on the lateral surface for clamping axle sleeve, the angle index with turn
The center of rotation of moving axis set is the center of circle, and the side of the measurement swing arm is provided with the pointer with angle index cooperation.
Advantageous effect：
(1) measurer of detection bend pipe space angle degree of the invention is simple and reliable for structure, without complex mechanism, measurement side used
Formula is all mature and reliable and is widely used in the measurement means of other measurement contents.
(2) measurer of detection bend pipe space angle degree of the invention is easy to operate, and the present invention is in measurement process, by be measured zero
Part is assembled according to installation assembly properties with measurer, during due to bend pipe measurement assembling, positioning end and end to be measured must respectively with
First taper platform and the cooperation of the second taper platform, determine center reference, complete assembling and can ensure that benchmark determines, easy to operate fast
It is prompt.
(3) gage measuring of detection bend pipe space angle degree of the invention and check are dual-purpose, are determined as measurer in use, working as
Data sheet can be attached at pedestal blank position after data, and mark the information such as component name and data, then by the first taper platform,
Stent, rectangle platform, the second taper stand lock are tightly into stationary state, you can convection current assembly line product carries out check inspection, easy to operate fast
It is prompt.
Description of the drawings
Dimensional structure diagram when Fig. 1 is the gage measuring of present invention detection bend pipe space angle degree；
Fig. 2 is the dimensional structure diagram when measurer of present invention detection bend pipe space angle degree is unmeasured；
Fig. 3 is the exploded perspective view of the measurer of present invention detection bend pipe space angle degree；
Fig. 4 is the close-up schematic view of A in Fig. 3；
Fig. 5 is the close-up schematic view of B in Fig. 3；
Fig. 6 is the close-up schematic view of C in Fig. 3；
Fig. 7 is the close-up schematic view of D in Fig. 3；
1, pedestal in figure, 2, measurement swing arm, 3, stent, 4, rectangle platform, the 5, first taper platform, the 6, second taper platform, 7, folder
Tight seat, 8, T-slot, 9, L-type slot, 10, L-type sliding block, 11, lock-screw, 12, upright bar, 13, gripping block, 14, fastening bolt, 15,
Set lever, 16, locking slot, 17, sliding slot gasket, 18, T-shaped sliding slot, 19, clamp axle sleeve, 20, rotary axle box, 21, bend pipe, 22,
Positioning end, 23, end to be measured.
Specific embodiment
Embodiment
As shown in Fig. 1~7, a kind of measurer for detecting bend pipe space angle degree, bend pipe 21 to be detected carries out three in space
Secondary bending has positioning end 22 and end to be measured 23, and end to be measured 23 bends on-right angle, including pedestal 1, measurement swing arm 2 and vertical
And the stent 3 on pedestal 1 is slidably arranged in, it slides and is provided with for the positioning end 22 of bend pipe 21 is vertically fixed on the pedestal 1
First positioner of the position on pedestal 1 and the clamping device for the positioning end 22 of bend pipe 21 to be clamped, the clamping device
Clamping center overlapped with 22 axis of positioning end of bend pipe 21, first positioner is slided closer or far from stent 3, described
It is slided up and down on stent 3 and is provided with rectangle platform 4, one end of the measurement swing arm 2 is hinged on rectangle platform 4, the measurement swing arm 2
Bottom surface slide be provided with for by the end to be measured 23 of bend pipe 21 be vertically located in measurement swing arm 2 on the second positioner.Institute
Stating the first positioner includes the first taper platform 5 coordinated with the positioning end 22 of bend pipe 21, and the axis of the first taper platform 5 hangs down
Directly in the top surface of pedestal 1.Second positioner includes the second taper platform 6 coordinated with the end to be measured 23 of bend pipe 21, described
The axis of second taper platform 6 vertically with measure swing arm 2 plane perpendicular.
The clamping device includes the clamping seats 7 for being arranged on 5 both sides of the first taper platform, and T-slot is offered on the pedestal 1
8, lock-screw 11, the bottom of the clamping seats 7 and the nut coordinated with lock-screw 11 are provided on the first taper platform 5
It is slidably arranged in T-slot 8, upright bar 12 is fixed on the clamping seats 7, sliding sleeve is equipped with gripping block in the upright bar 12
13, the both sides of the gripping block 13 are symmetrical arranged there are two fastening bolt 14, and the fastening bolt 14 passes through two clampings
Block 13 simultaneously clamps gripping block 13.In order to strengthen the reliability of the clamping of gripping block 13, on the opposite end face of two gripping blocks 13
It is provided with friction texture.It is opened up in order to improve the guiding accuracy of the first taper platform 5 slip, on the pedestal 1 there are two L-type slot 9,
Two L-type slots 9 are symmetrically distributed in the both sides of T-slot 8, and there are two the lower section fixations of the first taper platform 5 and L-type slot 9
The L-type sliding block 10 of cooperation.In order to facilitate data record, the both sides of the L-type slot 9 of pedestal 1 are blank platform, are placed on blank platform
There is data sheet, make data record more convenient.
The side of the pedestal 1 also offers T-slot 8 and is symmetrically distributed in the L-type slot 9 of 8 both sides of T-slot, the stent 3
Lower part be provided at least two lock-screws 11, the head of the lock-screw 11 is slidably arranged in T-slot 8, described
The tailing screw flight of lock-screw 11 is connected with set lever 15, and the side of the stent 3 is fixed with the L coordinated with L-type slot 9
Type sliding block 10.Gasket is arranged on lock-screw 11 between stent 3 and set lever 15, the setting of gasket improves locking screw
11 are followed closely by the stability of 3 locking positioning of stent.Through there is locking slot 16 on the stent 3, the both sides of the locking slot 16 are also right
The L-type slot 9 is distributed in title, and the side of the rectangle platform 4 is fixed with the L-type sliding block 10 coordinated with L-type slot 9, the square
The lock-screw 11 is provided on shape platform 4, the lock-screw 11 is slidably arranged in locking slot 16 and passes through locking slot 16,
The afterbody of the lock-screw 11 is connected with the set lever 15, and sliding slot gasket 17, institute are arranged on the lock-screw 11
State the anti-rotation sheet for having on sliding slot gasket 17 and coordinating with two inner walls of locking slot 16.
The locking slot 16 is also extended through in the measurement swing arm 2, the both sides of the locking slot 16 are symmetrically distributed with the L
Type groove 9, the bottom surface of the second taper platform 6 are fixed with the L-type sliding block 10 coordinated with L-type slot 9, the second taper platform 6
On be provided with the lock-screw 11, the lock-screw 11 is slidably arranged in locking slot 16 and through locking slot 16, described
The afterbody of lock-screw 11 is connected with the set lever 15, and sliding slot gasket 17, the cunning are arranged on the lock-screw 11
There is the anti-rotation sheet coordinated with two inner walls of locking slot 16 on slot gasket 17.The both sides of the rectangle platform 4 offer T-shaped sliding slot
18, it slides in two T-shaped sliding slots 18 to be provided with and clamps axle sleeve 19, the bottom of the measurement swing arm 2, which is fixedly installed, to be turned
Moving axis set 20, the rotary axle box 20 are located between two clamping axle sleeves 19, and the lock-screw 11 passes through rotary axle box
20 and two axle sleeves 19 that clamp for rotary axle box 20 to be clamped.In order to strengthen two clamping axle sleeves 19 to rotary axle box 20
Friction texture is both provided on the reliability of clamping, rotary axle box 20 and the opposite end face of two clamping axle sleeves 19.The clamping
The angle index of one week is provided on the lateral surface of axle sleeve 19, the angle index is using the center of rotation of rotary axle box 20 as circle
The heart, the side of the measurement swing arm 2 are provided with the pointer with angle index cooperation.In order to facilitate survey measurements, the present invention is helped
Be preferably applied for the actual production process of product, 8 both sides of T-slot of pedestal 1, pedestal 1 on the side of stent 3,
16 both sides of locking slot of stent 3 and 16 both sides of locking slot of measurement swing arm 2 are both provided with scale.
Operation principle is as follows：
Under measuring state, first the positioning end 22 of bend pipe 21 is sleeved on the first taper platform 5 of pedestal 1, the positioning of bend pipe 21
After 22 axis is held to be overlapped with the boresighting of the first taper platform 5, distance between two clamping seats 7 is adjusted, adjusts the height of two gripping blocks 13
Degree, screws two fastening bolts 14, and gripping block 13 is made to clamp the positioning end 22 of bend pipe 21.At this point, mobile first taper platform 5 makes bend pipe
The distance of 21 23 distance bracket 3 of end to be measured is moderate, and is needed according to survey crew that the first taper platform 5 to be made to be located at an accurate reading
Then place locks lock-screw 11 by 5 locking positioning of the first taper platform, then move stent 3, mobile rectangle platform 4, rotation measuring
Swing arm 2 and mobile second taper platform 6 after the end to be measured 23 of the second taper platform 6 and bend pipe 21 coordinates and center determines, read folder
Mandrel covers the reading of 19 upper angle scales, is computed drawing the space angle at 21 end 23 to be measured of bend pipe, each scale also can be read
Reading establishes analysis and record of the coordinate system convenient for data with pedestal 1, stent 3 and measurement swing arm 2.Data can record in pedestal 1
It is convenient for checking on data sheet at blank position.
Under check state, after sample bend pipe 21 measures, unscrew two fastening bolts 14 and move two clamping seats 7, rotation measuring pendulum
Arm 2 removes sample bend pipe 21, and the first taper platform 5, bearing, 4 and second taper platform 6 of rectangle platform keep the shape that is locked at this time
State, the measurer of detection 21 space angle of bend pipe are used as gauge, and flow line production products obtained therefrom is carried out verification measurement successively,
Have determined that product quality.
Claims (10)
1. a kind of measurer for detecting bend pipe space angle degree, it is characterised in that：Including pedestal (1), measurement swing arm (2) and vertical and cunning
The dynamic stent (3) being arranged on pedestal (1) is slided on the pedestal (1) and is provided with for by the positioning end of bend pipe (21) (22)
The first positioner being vertically located on pedestal (1) and the clamping device for the positioning end of bend pipe (21) (22) to be clamped,
The clamping center of the clamping device is overlapped with positioning end (22) axis of bend pipe (21), and first positioner is close or remote
It is slided from stent (3), is slided up and down on the stent (3) and be provided with rectangle platform (4), one end of the measurement swing arm (2) is hinged
On rectangle platform (4), the bottom surface of the measurement swing arm (2), which is slided, to be provided with for the end to be measured (23) of bend pipe (21) is vertically fixed
Second positioner of the position in measurement swing arm (2).
2. the measurer of detection bend pipe space angle degree according to claim 1, it is characterised in that：The first positioner bag
The first taper platform (5) with the positioning end of bend pipe (21) (22) cooperation is included, the axis of the first taper platform (5) is perpendicular to pedestal
(1) top surface.
3. the measurer of detection bend pipe space angle degree according to claim 2, it is characterised in that：The second positioner bag
Include the second taper platform (6) with the end to be measured of bend pipe (21) (23) cooperation, the axis of the second taper platform (6) vertically with measurement
The plane perpendicular of swing arm (2).
4. the measurer of detection bend pipe space angle degree according to claim 3, it is characterised in that：The clamping device includes setting
The clamping seats (7) in first taper platform (5) both sides are put, T-slot (8), the first taper platform are offered on the pedestal (1)
(5) lock-screw (11) is provided on, the bottom of the clamping seats (7) and the nut coordinated with lock-screw (11) are slided and set
It puts in T-slot (8), upright bar (12) is fixed on the clamping seats (7), sliding sleeve is equipped with gripping block on the upright bar (12)
(13), the both sides of the gripping block (13) are symmetrical arranged there are two fastening bolt (14), and the fastening bolt (14) passes through two
The gripping block (13) simultaneously clamps gripping block (13).
5. the measurer of detection bend pipe space angle degree according to claim 4, it is characterised in that：It is opened up on the pedestal (1)
There are two L-type slot (9), two L-type slots (9) are symmetrically distributed in the both sides of T-slot (8), under the first taper platform (5)
The fixed L-type sliding block (10) there are two with L-type slot (9) cooperation in side.
6. the measurer of detection bend pipe space angle degree according to claim 5, it is characterised in that：The side of the pedestal (1)
Also offer T-slot (8) and be symmetrically distributed in the L-type slot (9) of T-slot (8) both sides, the lower part of the stent (3) be provided with to
Few two lock-screws (11), the head of the lock-screw (11) is slidably arranged in T-slot (8), the lock-screw
(11) tailing screw flight is connected with set lever (15), and the side of the stent (3) is fixed with the L with L-type slot (9) cooperation
Type sliding block (10).
7. the measurer of detection bend pipe space angle degree according to claim 5, it is characterised in that：Run through on the stent (3)
There is locking slot (16), the both sides of the locking slot (16) are also symmetrically distributed with the L-type slot (9), the side of the rectangle platform (4)
The L-type sliding block (10) with L-type slot (9) cooperation is fixed with, the lock-screw (11) is provided on the rectangle platform (4),
The lock-screw (11) is slidably arranged in locking slot (16) and passes through locking slot (16), the afterbody of the lock-screw (11)
The set lever (15) is connected with, sliding slot gasket (17), the sliding slot gasket (17) are arranged on the lock-screw (11)
The upper anti-rotation sheet with the cooperation of two inner walls of locking slot (16).
8. the measurer of detection bend pipe space angle degree according to claim 5, it is characterised in that：On the measurement swing arm (2)
The locking slot (16) is also extended through, the both sides of the locking slot (16) are symmetrically distributed with the L-type slot (9), second cone
The bottom surface of shape platform (6) is fixed with the L-type sliding block (10) with L-type slot (9) cooperation, is provided on the second taper platform (6)
The lock-screw (11), the lock-screw (11) is slidably arranged in locking slot (16) and through locking slot (16), described
The afterbody of lock-screw (11) is connected with the set lever (15), and sliding slot gasket is arranged on the lock-screw (11)
(17), there is the anti-rotation sheet coordinated with two inner walls of locking slot (16) on the sliding slot gasket (17).
9. the measurer of the detection bend pipe space angle degree according to claim 1 or 7, it is characterised in that：The rectangle platform (4)
Both sides offer T-shaped sliding slot (18), are slided in two T-shaped sliding slots (18) and are provided with clamping axle sleeve (19), the measurement
The bottom of swing arm (2) is fixedly installed rotary axle box (20), and the rotary axle box (20) is located at two clamping axle sleeves (19)
Between, the lock-screw (11) is used for through the axle sleeve (19) that clamps of rotary axle box (20) and two by rotary axle box (20)
It clamps.
10. the measurer of detection bend pipe space angle degree according to claim 9, it is characterised in that：The clamping axle sleeve (19)
Lateral surface on be provided with the angle index of one week, the angle index is using the center of rotation of rotary axle box (20) as the center of circle, institute
The side for stating measurement swing arm (2) is provided with the pointer coordinated with angle index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810057094.4A CN108088354B (en) | 2018-01-22 | 2018-01-22 | Measuring tool for detecting space angle of bent pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810057094.4A CN108088354B (en) | 2018-01-22 | 2018-01-22 | Measuring tool for detecting space angle of bent pipe |
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| Publication Number | Publication Date |
|---|---|
| CN108088354A true CN108088354A (en) | 2018-05-29 |
| CN108088354B CN108088354B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810057094.4A Active CN108088354B (en) | 2018-01-22 | 2018-01-22 | Measuring tool for detecting space angle of bent pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109059841A (en) * | 2018-07-27 | 2018-12-21 | 合肥和瑞机械制造有限公司 | A kind of bend pipe angle detection device |
| CN109443204A (en) * | 2018-11-08 | 2019-03-08 | 中车长春轨道客车股份有限公司 | A kind of complexity bend pipe size detecting method |
| CN109764825A (en) * | 2019-01-23 | 2019-05-17 | 浙江工业大学 | A kind of bend pipe ellipticity manual measurement device |
| CN111366056A (en) * | 2020-03-13 | 2020-07-03 | 上海舜华新能源***有限公司 | Multifunctional measuring device |
| CN114923461A (en) * | 2022-05-17 | 2022-08-19 | 中建八局第一建设有限公司 | Perpendicularity detection device for building construction |
| CN115922587A (en) * | 2022-09-30 | 2023-04-07 | 成都飞机工业（集团）有限责任公司 | Clamp for measuring symmetry degree of radial hole of bolt shaft |
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