CN109916466A - It is a kind of to examine and determine or calibrate tested flowmeter installation centralising device - Google Patents
It is a kind of to examine and determine or calibrate tested flowmeter installation centralising device Download PDFInfo
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- CN109916466A CN109916466A CN201910164358.0A CN201910164358A CN109916466A CN 109916466 A CN109916466 A CN 109916466A CN 201910164358 A CN201910164358 A CN 201910164358A CN 109916466 A CN109916466 A CN 109916466A
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Abstract
The present invention provides a kind of calibrating or the tested flowmeter installation centralising device of calibration, is related to field of measuring technique.Including frame body, shaft, frame body is respectively symmetrically connected with front, rear, left and right connecting rod, the upper end of connecting rod has been respectively and fixedly connected with connection wire rod, the lower end of connecting rod is connected with claw, shaft is connected with a pair of of ladder turbine, and connection wire rod is engaged with ladder turbine respectively, and front rod is connected with raised line, back link is affixed fluted, raised line and groove grafting.The present invention solves tested flowmeter and the not accurate enough influence calibrating of Pipe installing centering or calibration accuracy when examining and determine or calibrating in the prior art, there is technical issues that.The invention has the following beneficial effects: guaranteeing that tested flowmeter and standard set-up pipeline centering are accurate, it is ensured that calibrating or calibration accuracy.It is easy to operate without manual intervention, it is easy to use, calibrating or calibration efficiency are improved, labor intensity is reduced, eliminates the security risk for causing personal injury.
Description
Technical field
The present invention relates to field of measuring technique, calibrating is being installed to or calibration is set to tested flowmeter more particularly, to one kind
The device of tested flowmeter and pipeline centering when standby.
Background technique
Flowmeter is widely used in the various aspects such as industry, agricultural, national defence, scientific research and people's production and living, is important
Flow measurement utensil.Flowmeter is influenced to be easy to produce measurement deviation in use by factors such as environment, therefore need to provide
Third party's calibrating must be arrived in period or correcting mechanism is examined and determine or calibrated, it is ensured that the reliability of flowmeter metering and accurate
Property.Calibrating or calibrated fluxes timing are being carried out, tested flowmeter need to be mounted in flow standard device.It is detected in installation process
Flowmeter needs to be aligned with standard set-up center.Otherwise, it will cause calibrating/calibration result relatively large deviation, cause calibrating/calibration inaccurate
Really.Currently, checklist is generally realized by visually judging, manually adjusting tested flowmeter position with standard set-up centering.This
Sample has the following problems: centering is not accurate enough, influences calibrating or calibration accuracy.Need repeated multiple times adjustment, low efficiency.It needs
It is accomplished manually, be easy to cause personal injury, there are security risks.
Summary of the invention
Flowmeter is detected when in order to solve to examine and determine or calibrate in the prior art and Pipe installing centering is not accurate enough, needs people
Work repeatedly adjusts, and influences calibrating or calibration accuracy, low efficiency there is technical issues that the present invention provides a kind of inspection
Fixed or calibrate tested flowmeter and install centralising device, it is accurate to reach centering, easy to operate, improves the mesh of calibrating or calibration accuracy
's.
The technical scheme is that a kind of calibrating or the tested flowmeter of calibration install centralising device, including frame body, turn
Axis, frame body is at U-shaped, and frame body two sides are respectively symmetrically connected with front left and right connecting rod and rear left and right connecting rod, and front left and right connecting rod is with after
The upper end of left and right connecting rods has been respectively and fixedly connected with front left and right connection wire rod and rear left and right connection wire rod, and front and rear connecting rods lower end is connected with
Claw, shaft are connected with a pair of of ladder turbine, and front left and right connection wire rod is engaged with a ladder turbine, rear left and right connection wire rod
It is engaged with another ladder turbine, the several picture center and rear left and right connecting rod that affixed a pair of of the claw of front left and right connecting rod is formed are solid
The several picture center that a pair of of claw is formed is connect to be located parallel on the straight line of shaft central axes, front left and right connecting rod be connected with it is left,
Right raised line, rear left and right connecting rod are connected with left and right groove, left and right raised line respectively with left and right groove grafting.
Preferably, front left and right connecting rod, at U-shaped, left and right raised line section is swallow-tail form, left and right raised line protrusion front left and right
Connecting rod trailing flank.
Preferably, rear left and right connecting rod is at U-shaped, left and right groove is dovetail groove, before left and right groove and rear left and right connecting rod
Side is fixed.
Preferably, ladder turbine includes coaxially connected cylindrical bar and short turbodrill, cylinder shank diameter is less than short turbodrill tooth
Outside diameter circle.
Preferably, claw is in K shape, vertical component effect and the front and rear connecting rods lower end of claw are fixed.
Compared with prior art, the beneficial effects of the present invention are: guaranteeing that tested flowmeter and the centering of standard set-up pipeline are quasi-
Really, it is ensured that calibrating or calibration accuracy.It is easy to operate without manual intervention, it is easy to use, calibrating or calibration efficiency are improved, is reduced
Labor intensity eliminates the security risk for causing personal injury.
Detailed description of the invention
Attached drawing 1 is perspective view of the present invention；
Attached drawing 2 is to separate claw perspective view；
Attached drawing 3 is to separate claw different distance perspective view；
Attached drawing 4 is the A direction view of Fig. 2；
Attached drawing 5 is a kind of connection wire rod and turbine connection schematic diagram；
Attached drawing 6 is another connection wire rod and turbine connection schematic diagram；
Attached drawing 7 is C-C cross-sectional view in Fig. 4；
Attached drawing 8 is the enlarged drawing of D in Fig. 2.
In figure: 1- frame body；Left connecting rod before 2L-；Right connecting rod before 2R-；Left connecting rod after 3L-；Right connecting rod after 3R-；4- shaft；5-
Claw；11- lifting lug；12- turbine box；The left raised line of 2L1-；The right raised line of 2R1-；2L2- front left connection wire rod；2R2- front right connecting filament
Bar；3L1- left groove；3R1- right groove；3L2- rear left connection wire rod；Right connection wire rod after 3R2-；41- ladder turbine；411- circle
Mast；412- short turbodrill.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
It is a kind of to examine and determine or calibrate tested flowmeter installation centralising device, including frame body 1, shaft 4 as shown in Fig. 1-8.Frame body 1 at
U-shaped.Frame body 1 is bottom-up, left and right two side vertical bases, and frame body is opening down.1 bottom outer surface of frame body, which is connected with, to be hung
Ear 11 facilitates frame body 1 mobile.1 bottom interior surface of frame body is connected with turbine box 12.
Shaft 4 is cylindrical body, and central axes are parallel with 1 left and right two side of frame body.4 both ends of shaft are stretched out outside turbine box 12.
The shaft 4 for stretching out 12 front end of turbine box is connected with spindle handle.
Fig. 2, in 3, it is 1 front end of frame body towards reader that shaft 4, which has this end of the frame body 1 of spindle handle,；Figure right is that frame body 1 is right
Side；Figure left is 1 left side of frame body.In Fig. 1,1 rear end of frame body is towards reader.
Shaft 4 is connected with a pair of of ladder turbine 41.A pair of of ladder turbine 41 is located in turbine box 12.Ladder turbine 41 includes
Cylindrical bar 411 and short turbodrill 412.411 one end of cylindrical bar is fixed with 412 one end of short turbodrill.The central axes of cylindrical bar 411 and short whirlpool
The central axes of wheel 412 are overlapped.411 diameter of cylindrical bar is less than 412 tip diameter of short turbodrill.A pair of of ladder turbine 41 and shaft 4
It is sleeved and fixed.Between a pair of of ladder turbine 41 at a distance.A pair of of ladder turbine 41 can be short with 4 connection type of shaft
Turbine 412 is arranged face-to-face, is also possible to cylindrical bar 411 and is arranged face-to-face.The face-to-face cloth of short turbodrill 412 is shown in attached drawing
Mode is set, i.e., the cylindrical bar 411 of one ladder turbine 41 is close to 1 rear end of frame body, 411 frame of cylindrical bar of another ladder turbine 41
1 front end of body, that is, close to spindle handle end.
1 left and right side of frame body is respectively symmetrically connected with front left and right connecting rod 2L, 2R and rear left and right connecting rod 3L, 3R.Front left,
The upper end of right connecting rod 2L, 2R have been respectively and fixedly connected with front left and right connection wire rod 2L2,2R2.Front left and right connection wire rod 2L2,2R2 with lean on
The ladder turbine 41 of nearly 1 front end of frame body engages.Front left and right connecting rod 2L, 2R are connected with left and right raised line 2L1,2R1.Rear left and right connects
The upper end of bar 3L, 3R have been respectively and fixedly connected with and rear left and right connection wire rod 3L2,3R2.Rear left and right connection wire rod 3L2,3R2 with it is close
The engagement of 1 rear end ladder turbine 41 of frame body.Rear left and right connecting rod 3L, 3R are connected with left and right groove L1,3R1.Front and rear connecting rods lower end is solid
It is connected to claw 5.Claw 5 is in K shape, is made of vertical component effect and two inclined-planes.Vertical component effect is cylinder.The one end on two inclined-planes with it is vertical
One face in portion is fixed, and the other end is hanging.The face that vertical component effect and two inclined-planes are fixed is vertical component effect front, is just being faced with vertical component effect
The face answered is the vertical component effect back side.
Preceding left connecting rod 2L and preceding right connecting rod 2R is a pair.Preceding left connecting rod 2L, preceding right connecting rod 2R are at U-shaped.Preceding left connecting rod 2L's
Opening is towards the right side, and the opening of preceding right connecting rod 2R is towards a left side.The upper end preceding left connecting rod 2L passes through 1 left side of frame body and front left connection wire rod 2L2
Left end is fixed.Front end of the preceding left connecting rod 2L close to 1 left side of frame body.Front left connection wire rod 2L2 right end passes through turbine box 12 and leans on
The tooth engagement of 41 upper end of ladder turbine of nearly 1 front end of frame body.The lower end surface preceding left connecting rod 2L and the vertical component effect back side of claw 5 are fixed.
Left raised line 2L1 and preceding left connecting rod 2L is fixed trailing flank.The section left raised line 2L1 is swallow-tail form.Left connecting rod 2L before left raised line 2L1 protrusion
Trailing flank.The upper end preceding right connecting rod 2R passes through 1 right side of frame body and fixes with front right connection wire rod 2R2 right end.Preceding right connecting rod 2R is close
The front end of 1 right side of frame body.The front right left end connection wire rod 2R2 passes through turbine box 12 and the ladder turbine 41 close to 1 front end of frame body
The tooth engagement of lower end.The lower end surface preceding right connecting rod 2R and the vertical component effect back side of claw 5 are fixed.After right raised line 2R1 and preceding right connecting rod 2R
Side is fixed.The section right raised line 2R1 is swallow-tail form.The trailing flank right connecting rod 2R before right raised line 2R1 protrusion.
Left connecting rod 3L and rear right connecting rod 3R is a pair afterwards.Left connecting rod 3L, rear right connecting rod 3R are at U-shaped afterwards.Left connecting rod 3L afterwards
Opening is towards the right side, and the opening of rear right connecting rod 3R is towards a left side.The upper end left connecting rod 3L passes through 1 left side of frame body afterwards and rear connection wire rod 3L2 is left
End is fixed.Rear end of the left connecting rod 3L close to 1 left side of frame body afterwards.Rear left connection wire rod 3L2 right end pass through turbine box 12 with it is close
The tooth engagement of 41 upper end of ladder turbine of 1 rear end of frame body.The lower end surface left connecting rod 3L and the vertical component effect back side of claw 5 are fixed afterwards.It is left
Groove 3L1 is dovetail groove.Left groove 3L1 is fixed with rear left connecting rod 3L leading flank.The upper end right connecting rod 3R passes through 1 right side of frame body afterwards
It is fixed with rear right connection wire rod 3R2 right end.Rear end of the right connecting rod 3R close to 1 right side of frame body afterwards.The left end right connection wire rod 3R2 afterwards
The tooth engagement of 41 lower end of ladder turbine across turbine box 12 and close to 1 rear end of frame body.The lower end surface right connecting rod 3R and claw 5 afterwards
The vertical component effect back side is fixed.Right groove 3R1 is dovetail groove.Right groove 3R1 is fixed with rear right connecting rod 3R leading flank.
The several picture center and rear left and right connecting rod 3L, 3R that affixed a pair of of the claw 5 of front left and right connecting rod 2L, 2R is formed are affixed
The several picture center that a pair of of claw 5 is formed is located parallel on the straight line of 4 central axes of shaft.Preceding left connecting rod 2L affixed claw
The center for the diamond shape that two inclined-planes of 5 two inclined-planes and the affixed claw 5 of preceding right connecting rod 2R surround and rear left connecting rod 3L are affixed
Two inclined-planes of claw 5 and the center of diamond shape that surrounds of two inclined-planes of the affixed claw 5 of rear right connecting rod 3R it is straight in same
On line, the straight line and 4 axis parallel of shaft.Left and right raised line 2L1,2R1 respectively with left and right groove 3L1,3R1 grafting.It is left convex
In 2L1 insertion left groove 3L1；In right raised line 2R1 insertion right groove 3R1.
In use, adjustment 4 front-rear position of shaft, the ladder turbine 41 and front left connection wire rod 2L2, front right of 1 front end of frame body
Connection wire rod 2R2 engagement, the ladder turbine 41 of 1 rear end of frame body engage (such as with rear left connection wire rod 3L2, rear right connection wire rod 3R2
Shown in Fig. 4).Shake spindle handle rotating shaft 4.Shaft 4 drives ladder turbine 41 to rotate, preceding left connecting rod 2L, preceding right connecting rod 2R,
Left connecting rod 3L, rear right connecting rod are mobile to the left and right direction of frame body 1 respectively afterwards, and fixed claw 5 also divides with front, rear, left and right connecting rod
It is not mobile (as shown in Figure 2) to the left and right direction of frame body 1.
The connection nozzle of tested flowmeter (not shown) is placed in the claw 5 of preceding left connecting rod 2L, preceding right connecting rod 2R connection
Between.4 front-rear position of shaft is adjusted, by the short turbodrill 412 of the ladder turbine 41 of 1 front end of frame body and front left connection wire rod 2L2, preceding
Right connection wire rod 2R2 engagement, the short turbodrill 412 and rear left connection wire rod 3L2, rear right connection of the ladder turbine 41 of 1 rear end of frame body
Screw rod 3R2 is disengaged, and is shelved on 411 side of cylinder (as shown in Figure 6).Rotating shaft 4 is detected the connection nozzle of flowmeter by two
Four inclined-plane obvolvents (as shown in Figure 3) of claw 5.
Standard set-up pipeline is moved to by frame body 1 and together with the tested flowmeter that frame body 1 connects.By standard set-up pipeline opening
(not shown) be placed in rear left connecting rod 3L, rear right connecting rod 3R connection claw 5 between.4 front-rear position of shaft is adjusted, by frame body 1
The short turbodrill 412 of the ladder turbine 41 of rear end is engaged with rear left connection wire rod 3L2, rear right connection wire rod 3R2,1 front end of frame body
The short turbodrill 412 and front left connection wire rod 2L2, front right connection wire rod 2R2 of ladder turbine 41 disengage, and are shelved on 411 side of cylinder
(as shown in Figure 5).Rotating shaft 4, by standard set-up pipeline opening by four inclined-plane obvolvents of two claws 5.
When due to initially installing, two inclined-planes of preceding left connecting rod 2L affixed claw 5 and the affixed claw 5 of preceding right connecting rod 2R
Two inclined-planes at the center of diamond shape and rear left connecting rod 3L affixed claw 5 for surrounding of two inclined-planes and rear right connecting rod 3R it is affixed
The center for the diamond shape that two inclined-planes of claw 5 surround is on same straight line, in left raised line 2L1 insertion left groove 3L1, right raised line
2R1 is inserted into right groove 3R1.It can only with rear left connecting rod 3L, rear right connecting rod 3R so preceding left connecting rod 2L, preceding right connecting rod 2R are opposite
It moves left and right, the center for the diamond shape that the inclined-plane of claw 5 surrounds cannot be changed.Also ensure that tested flowmeter and standard fill
Set pipeline opening centering.
Claims (5)
1. a kind of calibrating or the tested flowmeter of calibration install centralising device, including frame body (1), shaft (4), it is characterised in that: institute
Frame body (1) is stated into U-shaped, frame body (1) two sides be respectively symmetrically connected with front left and right connecting rod (2L, 2R) and rear left and right connecting rod (3L,
3R), the upper end of front left and right connecting rod (2L, 2R) and rear left and right connecting rod (3L, 3R) has been respectively and fixedly connected with front left and right connection wire rod
(2L2,2R2) and rear left and right connection wire rod (3L2,3R2), the front and rear connecting rods lower end are connected with claw (5), the shaft
(4) it is connected with a pair of of ladder turbine (41), the front left and right connection wire rod (2L2,2R2) is engaged with a ladder turbine (41),
The rear left and right connection wire rod (3L2,3R2) is engaged with another ladder turbine (41), and the front left and right connecting rod (2L, 2R) is solid
The geometry that the several picture center and rear left and right connecting rod (3L, 3R) affixed a pair of of claw (5) for connecing a pair of of claw (5) formation are formed
Picture centre is located parallel on the straight line of shaft (4) central axes, and the front left and right connecting rod (2L, 2R) is connected with left and right raised line
(2L1,2R1), the rear left and right connecting rod (3L, 3R) are connected with left and right groove (3L1,3R1), left and right raised line (2L1,2R1) point
Not with left and right groove (3L1,3R1) grafting.
2. a kind of calibrating according to claim 1 or the tested flowmeter of calibration install centralising device, it is characterised in that: described
For front left and right connecting rod (2L, 2R) at U-shaped, the left and right raised line section (2L1,2R1) is swallow-tail form, left and right raised line (2L1,2R1)
Raised front left and right connecting rod (2L, 2R) trailing flank.
3. a kind of calibrating according to claim 1 or the tested flowmeter of calibration install centralising device, it is characterised in that: described
Rear left and right connecting rod (3L, 3R) is at U-shaped, and the left and right groove (3L1,3R1) is dovetail groove, and left and right groove (3L1,3R1) is with after
Left and right connecting rods (3L, 3R) leading flank is fixed.
4. a kind of calibrating according to claim 1 or the tested flowmeter of calibration install centralising device, it is characterised in that: ladder
Turbine (41) includes coaxially connected cylindrical bar (411) and short turbodrill (412), and cylindrical bar (411) diameter is less than short turbodrill (412)
Tip diameter.
5. a kind of calibrating according to claim 1 or 2 or 3 or the tested flowmeter of calibration install centralising device, feature exists
In: claw (5) is in K shape, and vertical component effect and the front and rear connecting rods lower end of claw (5) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910164358.0A CN109916466B (en) | 2019-03-05 | 2019-03-05 | Verification or calibration to be detected flowmeter installation centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910164358.0A CN109916466B (en) | 2019-03-05 | 2019-03-05 | Verification or calibration to be detected flowmeter installation centering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109916466A true CN109916466A (en) | 2019-06-21 |
| CN109916466B CN109916466B (en) | 2020-08-04 |
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ID=66963339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910164358.0A Active CN109916466B (en) | 2019-03-05 | 2019-03-05 | Verification or calibration to be detected flowmeter installation centering device |
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| Country | Link |
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| CN (1) | CN109916466B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380587A (en) * | 2020-03-05 | 2020-07-07 | 广州能源检测研究院 | Method for compensating result error of measuring vertical tank capacity by adopting Monte Carlo method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547773A (en) * | 2006-12-07 | 2009-09-30 | 松下电器产业株式会社 | Joint mechanism and joint device |
| CN102615467A (en) * | 2012-03-21 | 2012-08-01 | 北京工业大学 | Device for welding slim tubes with six degree of freedom constrained after being centered and butted |
| CN204725486U (en) * | 2015-06-03 | 2015-10-28 | 聊城鑫泰机床有限公司 | A kind of robot mechanical arm mechanism |
| CN205148345U (en) * | 2015-12-03 | 2016-04-13 | 山东科技大学 | Novel self -adaptation mechanical clamping hand claw |
| CN106584495A (en) * | 2017-01-03 | 2017-04-26 | 深圳市众为创造科技有限公司 | Mechanical gripper and robot |
| CN108481018A (en) * | 2018-03-28 | 2018-09-04 | 常州信息职业技术学院 | Automatic centering centre frame |
-
2019
- 2019-03-05 CN CN201910164358.0A patent/CN109916466B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547773A (en) * | 2006-12-07 | 2009-09-30 | 松下电器产业株式会社 | Joint mechanism and joint device |
| CN102615467A (en) * | 2012-03-21 | 2012-08-01 | 北京工业大学 | Device for welding slim tubes with six degree of freedom constrained after being centered and butted |
| CN204725486U (en) * | 2015-06-03 | 2015-10-28 | 聊城鑫泰机床有限公司 | A kind of robot mechanical arm mechanism |
| CN205148345U (en) * | 2015-12-03 | 2016-04-13 | 山东科技大学 | Novel self -adaptation mechanical clamping hand claw |
| CN106584495A (en) * | 2017-01-03 | 2017-04-26 | 深圳市众为创造科技有限公司 | Mechanical gripper and robot |
| CN108481018A (en) * | 2018-03-28 | 2018-09-04 | 常州信息职业技术学院 | Automatic centering centre frame |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380587A (en) * | 2020-03-05 | 2020-07-07 | 广州能源检测研究院 | Method for compensating result error of measuring vertical tank capacity by adopting Monte Carlo method |
| CN111380587B (en) * | 2020-03-05 | 2022-09-23 | 广州能源检测研究院 | Method for compensating result error of measuring vertical tank capacity by adopting Monte Carlo method |
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| CN109916466B (en) | 2020-08-04 |
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