CN102359802B - Device for installing externally-clamping probes of portable ultrasonic flow meter - Google Patents
Device for installing externally-clamping probes of portable ultrasonic flow meter Download PDFInfo
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- CN102359802B CN102359802B CN 201110210647 CN201110210647A CN102359802B CN 102359802 B CN102359802 B CN 102359802B CN 201110210647 CN201110210647 CN 201110210647 CN 201110210647 A CN201110210647 A CN 201110210647A CN 102359802 B CN102359802 B CN 102359802B
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Abstract
The invention discloses a device for installing externally-clamping probes of a portable ultrasonic flow meter. The device comprises a pair of externally-clamping probes which are arranged on a pair of probe fixtures, wherein each probe fixture is arranged on the outer wall of a pipeline to be detected through a fixture fixing device; the middle shaft surface of each probe fixture and the axis of the pipeline to be detected are adjusted to be on the same plane by an adjusting device; each probe fixture comprises a support frame, a probe guide frame and a probe pressing device; the support frame and the middle shaft surface in the probe guide frame are overlapped and fastened together; an inner side gap between two sides of the probe guide frame is the same as the width of the probe, so that the middle shaft surface of the probe is automatically overlapped with the middle shaft surface of the probe guide frame, namely is overlapped with the middle shaft surface of the probe fixture, after the probe is guided into the probe guide frame; and the probe pressing device presses the probe to make the probe tightly attached to the outer wall of the pipeline to be detected. By the installation device, the probes can be accurately and conveniently positioned; and the device is easy and convenient to carry and install.
Description
Technical field
The present invention relates to the pipeline flow fields of measurement, in particular, relate to a kind of erecting device of portable type ultrasonic flowmeter external clamping probe.
Background technology
Utilize the ducted flow of ultrasonic flow meter external clamping probe perception, two probes of ultrasonic flow meter need to be close to pipeline and install, and keep the middle axial plane of two probes and the axis of tested pipeline to be in same plane.Will make in addition probe be in comparatively ideal duty, the relative distance between two probes also will be controlled.Through the prior art document is analyzed, " problem that ultrasonic flow meter should be noted in installing " (industry measurement, 2004,14 (5): the installation method that has provided a kind of ultrasonic flow meter external clamping probe 55): coordinate Method for Installation, namely at first fix the position of a probe, be close to pipeline around Guan Yizhou with paper tape, measure girth and carry out the doubling mark, determine the position of another probe at girth 1/2 place, utilize the survey instrument such as ruler to control another probe with respect to the position of static probe.The coordinate method principle is simple, but has following deficiency in concrete operations: middle axial plane that 1) can not two probes of strict guarantee and the axis of tested pipeline are in same plane; 2) for the approximate straight tube of radian slightly, said method can not be close to pipeline fully because of paper tape and lose efficacy.
Summary of the invention
The present invention is for solving the problems of the technologies described above, and a kind of erecting device of portable type ultrasonic flowmeter external clamping probe is provided, can strict guarantee accurately, location, and simple installation easily.
For achieving the above object, the technical solution used in the present invention is as follows:
a kind of erecting device of portable type ultrasonic flowmeter external clamping probe, comprise a pair of external clamping probe, be arranged on respectively on a pair of probe gripper, it is characterized in that, described probe gripper is arranged on the outer wall of tested pipeline by a fixture fixing device, and in two probe gripper, axial plane and tested pipeline axis are adjusted to same plane by an adjusting gear, described probe gripper comprises: support frame, probe guide frame and probe hold down gag, wherein, described support frame overlaps and tightens together with the middle axial plane of probe guide frame, the inboard spacing of described probe guide frame two sides is identical with the probe width, so that probe import after the middle axial plane automatic reclosing of axial plane and probe guide frame wherein, namely overlap with the middle axial plane of probe gripper, described probe hold down gag compresses probe makes it be close to the outer wall of tested pipeline.
Bottom, described support frame two side offers the V-arrangement opening, and open top is with arc transition.
Described fixture fixing device is: on the correspondence position of support frame two side, the circular arc clamping guide-rail is set, one end is screw thread, after the T-shaped clamping cross bar of the other end passes described clamping guide-rail, its thread end fastening nut that spins, make clamp cross bar can only be movable along clamping guide-rail; Arrange one and clamp the arc piece below described clamping guide-rail, be fixed on described support frame sidewall, its and clamping guide-rail are symmetric about axial plane in support frame, and distance is from the plane of symmetry to both sides decrescence between the two; The cortex restraint zone penetrates and clamps cross bar and clamp the arc block gap, its afterbody is fixed on a spacer pin, described spacer pin snaps in the C shape stopper slot of support frame sidewall, the head of cortex restraint zone is around tested pipeline after one week, pass and clamp cross bar and the gap between himself, tension cortex restraint zone head clamps simultaneously cross bar and moves in clamping guide-rail along cortex restraint zone pine time direction, and the pressure that produces between clamping cross bar and clamping arc piece is with the self-locking of cortex restraint zone.
Described clamping arc piece cross section is the fan ring-type.
Describedly axial plane and tested pipeline axis in two probe gripper are adjusted to conplane adjusting gear are: fix a steel ruler groove on described probe guide frame, described steel ruler groove is parallel with the middle axial plane of probe guide frame, insert the rigidity ruler in described steel ruler groove, the plane that utilizes the rigidity ruler transfers to coincidence with the middle axial plane of two probe gripper, makes that in two probe gripper, axial plane and tested pipeline axis are in same plane.
Described steel ruler groove gib screw can be regulated, but makes the deflection of steel ruler groove to adapt to the slightly probe installation of the tested pipeline of radian.
Described rigidity ruler thickness and described steel ruler groove coupling with scale, are used for the positioning probe spacing.
Described probe hold down gag is: a probe housing screw substrate is installed above described probe guide frame, the probe housing screw screws in the interior probe of the described probe guide frame of threaded hole compression at described probe housing screw substrate top, making probe be close to the tested pipeline outer wall.
The cross section of described probe housing screw substrate is П shape; Described probe guide frame is symmetric about axial plane wherein, its cross section perpendicular to middle axial plane is П shape, its top section excision forms gap and passes through for the probe cable, and the top of two side respectively offers tapped blind hole and is used for installing described probe housing screw substrate.
Described support frame is symmetric about axial plane wherein, wherein the cross section on axial plane is П shape, have threaded hole on the intersection of one of them side and middle axial plane, the framework joint bolt passes described threaded hole tightens together support frame and described probe guide frame.
The beneficial effect that technical solution of the present invention is brought:
1) support frame of probe gripper overlaps with the middle axial plane of probe guide frame, and the guide function due to the probe guide frame can guarantee that the middle axial plane of popping one's head in overlaps with the middle axial plane of fixture again; Utilize the centering of the V-arrangement opening of fixture support framework, can guarantee easily that the middle axial plane of probe gripper and the axis of tested pipeline are in same plane; Therefore, guarantee that middle axial plane and the tested pipeline axis of single probe is in same plane, this makes the installation of probe gripper very convenient;
2) the steel ruler groove in described adjusting gear is parallel with the middle axial plane of probe gripper, therefore utilize the plane of rigidity ruler, can be easily the middle axial plane of two probe gripper be transferred to coincidence, and then guarantee that the middle axial plane of two probes and the axis of tested pipeline are in same plane; Utilize simultaneously the scale on the rigidity ruler, can adjust easily two relative distances between probe;
3) the clamping guide-rail radius in fixture fixing device is less than the radius that clamps the arc piece, and clamping guide-rail is above clamping arc piece, when tension cortex restraint zone head, clamp simultaneously cross bar and return direction when moving along cortex restraint zone pine in clamping guide-rail, the normal pressure that clamping cross bar and clamping arc piece produce the cortex restraint zone will ensure enough friction force and prevent that the cortex restraint zone is loosening, with the self-locking of cortex restraint zone; The pressuring action that coordinates the probe housing screw, static probe and make it be close to the tested pipeline outer wall effectively; Simultaneously, cortex restraint zone quality is light, the convenience that collapses, and the probe that can be applicable on the different tube diameters pipeline is installed, so portability is very good;
4) in probe gripper, the structure of support frame and probe guide frame is symmetrical about the axis face of self, and same fixture is vertical line Rotate 180 degree in middle axial plane, namely can be used for the installation of another probe; Therefore, probe gripper only need be made a kind of just passable.
Description of drawings
Below by accompanying drawing, technical solution of the present invention is done detailed description:
Fig. 1 is the structural representation of erecting device disclosed by the invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the support frame side view;
Fig. 4 is that the A of Fig. 3 is to view;
Fig. 5 clamps the cross bar schematic diagram;
Fig. 6 clamps arc piece side view;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is probe guide frame schematic diagram;
Fig. 9 is that the A of Fig. 8 is to view;
Figure 10 is probe housing screw substrate schematic diagram;
Figure 11 is that the A of Figure 10 is to sectional view;
Figure 12 is steel ruler groove schematic diagram;
Figure 13 is that the A of Figure 12 is to sectional view;
Figure 14 is cortex restraint zone schematic diagram;
in figure: 1(2) probe gripper, 3 rigidity rulers, 4(6) probe, 5 tested pipelines, 7 probe guide frames, 8 support frames, 9 probe housing screw substrates, 10 steel ruler grooves, 11 probe housing screws, 12 clamp cross bar, 13 fastening nuts, 14 clamp the arc piece, 15 spacer pins, 16 cortex restraint zones, 17 clamping guide-rails, 18C type stopper slot, 19 probe housing screw substrate gib screws, 20 steel ruler groove gib screws, 21 clamp arc piece gib screw, 22 framework joint bolts, 23 V-arrangement openings, 24 install clamping arc piece installs through hole, 25(26) support frame side, 27 frameworks connect threaded hole, 28 clamp the cross bar thread end, 29 clamp cross bar T shape end, 30 clamp arc piece retaining thread hole, 31 framework joint bolts are installed through hole, 32 probe housing screw substrates are installed threaded hole, 33(34) probe guide frame side, 35 probe guide frame tops, 36 steel ruler grooves are installed threaded hole, 37(38) probe housing screw substrate side surfaces, 39 probe housing screw substrate tops, 40 probe housing screw substrates are installed through hole, 41 housing screw threaded holes, 42 steel ruler groove sides, 43 steel ruler grooves are installed through hole, 44 cortex restraint zone wedge shape free ends.
Embodiment
The present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to the present embodiment.
As Fig. 1～shown in Figure 14, this device comprises: one group of (two identical) probe gripper 1,2, one groups of external clamping probes 4,6 are arranged on probe gripper 1,2.Probe gripper 1,2 comprises probe guide frame 7, support frame 8 and probe hold down gag.Wherein, probe guide frame 7 in single probe fixture 4 overlaps with the middle axial plane of support frame 8, be screwed into threaded hole 27 on support frame 8 sides 26 by two pieces of framework joint bolts 22 through the through hole 31 on probe guide frame 7 tops 35, thereby both are tightened together.The inboard spacing of probe guide frame 7 two sides is identical with the width of probe 4, so that pop one's head in 4 import after the middle axial plane automatic reclosing of axial plane and probe guide frame 7 wherein, also namely overlap with the middle axial plane of probe gripper 1, thereby make single probe 4, probe gripper 1 be in same plane with the middle axial plane of tested pipeline 5.The probe hold down gag compresses probe makes it be close to the outer wall of tested pipeline.The structure of the probe hold down gag in the present embodiment is that probe housing screw substrate 9 is installed above probe guide frame 7, two groups of (four) gib screws 19 through hole 40 on probe housing screw substrate 9 two sides 37,38 screws in probe guide frame 7 two sides 33,34 threaded hole 32, probe housing screw substrate 9 is fixed on the top of probe guide frame 7; Probe housing screw 11 revolved the threaded hole 41 of probe housing screw substrate 9, stretched in probe guide frame 7, compressed the probe 4 in probe guide frame 7, made probe 4 be close to the outer wall of tested pipeline 5.Probe gripper 1 is close to tested pipeline 5 outer walls by fixture fixing device and is installed, fixture fixing device structure in the present embodiment is on support frame 8 two side correspondence positions, circular arc clamping guide-rail 17 to be set, one end is thread end 28, the other end is after the clamping cross bar 12 of T shape 29 passes circular arc clamping guide-rail 17, at its thread end 28 fastening nut 13 that spins, utilizing fastening nut 13 and T connector 29 common guarantee that clamp cross bar 12 to clamp cross bars 12 can only be movable and can axially not deviate from clamping guide-rail 17 along clamping cross bar 12 along clamping guide-rail 17.Arrange one and clamp arc piece 14 below circular arc clamping guide-rail 17, two groups of (four) gib screws 21 through hole 24 on support frame 8 two sides 25,26 screws in the threaded hole 30 that clamps arc piece 14 both sides, will clamp arc piece 14 and be fixed on the below of the clamping guide-rail 17 on support frame 8.This clamping arc piece 14 is symmetric with the middle axial plane of clamping guide-rail 17 about support frame 8, and between the two apart from from the plane of symmetry to both sides decrescence.Cortex restraint zone 16 penetrates the gap that clamps between cross bar 12 and clamping arc piece 14, its afterbody is fixed on spacer pin 15, spacer pin 15 snaps in the C shape stopper slot 18 of support frame 8 one sides, the head of cortex restraint zone 16 is around tested pipeline after 5 one weeks, pass again and clamp cross bar 12 and the gap between himself, tension cortex restraint zone 16 heads, return directions along cortex restraint zone 16 pines and move clamping guide-rail 17 is interior with clamping cross bar 12 season, clamp cross bar 12 with the pressure that clamps generation between arc piece 14 with 16 self-lockings of cortex restraint zone.In order to make two probe gripper 1,2 middle axial plane and the axis of tested pipeline 5 be in same plane, need to adjust, adjusting gear structure in the present embodiment is to fix a steel ruler groove 10 on probe guide frame 7, and steel ruler groove 10 is parallel with the middle axial plane of probe guide frame 7.At the interior insertion rigidity of steel ruler groove 10 ruler 3, the plane that utilizes rigidity ruler 3 transfers to coincidence with two probe gripper 1,2 middle axial plane, makes that in two probe gripper 1,2, axial plane and tested pipeline axis are in same plane.Steel ruler groove gib screw 20 is via the through hole 43 on steel ruler groove 10, screws in probe guide frame 7 sides 33,34 threaded hole 36, two steel ruler grooves 10 is separately fixed on two sides 33,34 of probe guide frame 7.
As shown in Fig. 3,4, the support frame 8 of probe gripper, its structure distributes about self axis face is symmetrical, and wherein the cross section on axial plane is П shape, and a threaded hole 27 has respectively been attacked in the intersection upper and lower part of one of them side 26 and middle axial plane; Identical V-arrangement opening 23 is arranged at two sides 25,26 bottoms, and open top is with arc transition.Have circular arc clamping guide-rail 17 on two sides 25,26 middle and lower part correspondence positions, this circular arc clamping guide-rail 17 distributes about support frame 8 axis faces are symmetrical; Two sides 25,26 circular arc clamping guide-rail 17 belows have and respectively have two through holes 24 to be used for installing to clamp arc piece 14; Each both sides, side respectively has a C shape stopper slot 18, is used for snapping in the spacer pin 15 of cortex restraint zone 16 1 ends.
As shown in Figure 5, clamp cross bar 12 and be cylindricality, it is thread end 28 that an end leaves T shape 29, one end, is used for installing clamp nut 13.
As shown in Fig. 6,7, clamp arc piece 14 cross sections and be the fan ring-type, two threaded holes 30 have respectively been attacked in both sides.
As shown in Fig. 8,9, probe guide frame 7 its structures are about the symmetrical distribution of self axis face, and its cross section perpendicular to middle axial plane is П shape, and its top 35 Partial Resections form gap and pass through for the probe cable; Probe guide frame 7 two sides 33,34 inboard shoulder be apart from identical with the probe width, both middle axial plane automatic reclosings after importing to guarantee to pop one's head in; Two sides 33,34 top have respectively been attacked two tapped blind holes 32 and have been used for installing probe housing screw substrate 9; Two sides 33,34 middle part be identical respectively have been attacked a tapped blind hole 36 and is used for steel ruler groove 10 and installs and adjust.
As shown in Figure 10,11, probe housing screw substrate 9 cross sections are П shape, respectively have two through holes 40 are installed on two sides 37,38, and top 39 is drilled with tapped through hole 40.
As shown in Figure 12,13, steel ruler groove 10 cross sections are flat C shape, and 42 middle parts, side have one through hole 43 is installed.
As shown in figure 14, to be fixed with cylindricality register pin 15, one ends be wedge shape free end 44 to cortex restraint zone 16 1 ends.
The thickness of rigidity ruler 3 and steel ruler groove 10 couplings with scale, have certain rigidity.
When probe is installed, the V-type opening 23 of support frame 8 bottoms is fitted tightly with tested pipeline 5, utilize middle axial plane (that is in probe axial plane) that the centering characteristic of V-type opening 23 makes probe gripper 1 and the axis of tested pipeline 5 to be in same plane.Then, cortex restraint zone 16 is penetrated the gap that clamps cross bar 12 and clamp 14 of arc pieces, the spacer pin 15 of its afterbody is snapped in the C type stopper slot 18 of support frame 8 one sides, tension cortex restraint zone 16 heads are around tested pipeline after 5 one weeks, make it pass and clamp cross bar 12 and the gap between himself, the head of tension cortex restraint zone 16, return directions along cortex restraint zone 16 pines and move clamping guide-rail 17 is interior with clamping cross bar 12 season, until the pressure that clamps 14 generations of cross bar 12 and clamping arc piece is with 16 self-lockings of cortex restraint zone.After probe gripper 1 is fixing, external clamping probe 4 is imported probe guide frames 7, utilize the positioning function of probe guide frame 7 and middle axial plane this moment thereof to guarantee that with the conplane characteristic of the axis of tested pipeline 5 axis of the middle axial plane of probe 4 and tested pipeline 5 is in the same plane.Screw probe housing screw 11 and compress probe 4, make it to fit tightly with tested pipeline 5 outer walls.Adopt same manner, second probe gripper 2 is fixed on tested pipeline 5, but not exclusively fastening, adjusting the circumferential position of second probe gripper 2 on tested pipeline 5 makes rigidity ruler 3 can pass simultaneously two probe gripper 1,2 homonymy steel ruler groove 10, rely on middle axial plane that rigidity ruler 3 makes second probe gripper 2 and tested pipeline 5 axis isoplanars, utilize reading on rigidity ruler 3 to adjust two fixtures 1, the relative distance of 2 to satisfy the requirement of 4, the 6 ideal operation positions of popping one's head in.Then, tighten up the cortex restraint zone 16 of second probe gripper 2 and clamp cross bar 12, second probe gripper 2 is completely fixed.Import probe 6, screw probe housing screw 11, make probe 6 be close to tested pipeline 5 outer walls.Extract rigidity ruler 3 out and complete installation.For the approximate straight tube of radian slightly, can make the steel ruler groove 10 suitable angles of deflection by regulating steel ruler groove gib screw 20, to adapt to the radian of tested pipeline; Other installation steps are identical.
In this device: 1) utilize the centering of the V-arrangement opening 23 of fixture support framework 8, can guarantee easily probe gripper 1(2) middle axial plane and the axis of tested pipeline 5 be in same plane; Again due to the probe guide frame 7 guide function can guarantee the 4(6 that pops one's head in) middle axial plane and probe gripper 1(2) middle axial plane overlap; Therefore, guarantee that the middle axial plane of single probe and tested pipeline axis are in same plane very convenient; 2) steel ruler groove 10 and probe gripper 1(2) in axial plane parallel, therefore utilize the plane of rigidity ruler 3, can be easily two probe gripper 1,2 middle axial plane be transferred to coincidence, and then guarantee that the middle axial plane of two probes 4,6 and the axis of tested pipeline 5 are in same plane; Utilize simultaneously the scale on rigidity ruler 3, can adjust easily the relative distance of 4,6 of two probes; 3) clamping guide-rail 17 radiuses probe gripper 1(2) are less than the radius that clamps arc piece 14, and clamping guide-rail 17 is above clamping arc piece 14, when tension cortex restraint zone 16 heads, return directions clamping guide-rail 17 is interior when moving with clamping cross bar 12 season along cortex restraint zone 16 pines, the normal pressure that clamps 16 generations of 14 pairs of cortex restraint zones of cross bar 12 and clamping arc piece will ensure enough friction force and prevent that cortex restraint zone 16 is loosening, and have auto-lock function; The pressuring action that coordinates probe housing screw 11, static probe 4(6 effectively) and make it be close to tested pipeline 5 outer walls; Simultaneously, cortex restraint zone 16 quality are light, the convenience that collapses, and the probe that can be applicable on the different tube diameters pipeline is installed, so portability is very good; 4) probe gripper 1(2) structure is symmetrical about the axis face of self, and same fixture is vertical line Rotate 180 degree in middle axial plane, namely can be used for the installation of another probe; Only need make a kind of just passable when therefore, fixture is made.
Claims (7)
1. the erecting device of portable type ultrasonic flowmeter external clamping probe, comprise a pair of external clamping probe, be arranged on respectively on a pair of probe gripper, it is characterized in that, described probe gripper is arranged on the outer wall of tested pipeline by a fixture fixing device, in two probe gripper, axial plane and tested pipeline axis are adjusted to same plane by an adjusting gear, described probe gripper comprises: support frame, probe guide frame and probe hold down gag, wherein, described support frame overlaps and tightens together with the middle axial plane of probe guide frame, the inboard spacing of described probe guide frame two sides is identical with the probe width, so that probe import after the middle axial plane automatic reclosing of axial plane and probe guide frame wherein, namely overlap with the middle axial plane of probe gripper, described probe hold down gag compresses probe makes it be close to the outer wall of tested pipeline,
Bottom, described support frame two side offers the V-arrangement opening, and open top is with arc transition;
Describedly axial plane and tested pipeline axis in two probe gripper are adjusted to conplane adjusting gear are: fix a steel ruler groove on described probe guide frame, described steel ruler groove is parallel with the middle axial plane of probe guide frame, insert the rigidity ruler in described steel ruler groove, the plane that utilizes the rigidity ruler transfers to coincidence with the middle axial plane of two probe gripper, makes that in two probe gripper, axial plane and tested pipeline axis are in same plane;
Described steel ruler groove gib screw can be regulated, but makes the deflection of steel ruler groove can be arranged on the tested pipeline of radian slightly to adapt to probe.
2. the erecting device of portable type ultrasonic flowmeter external clamping according to claim 1 probe, it is characterized in that, described fixture fixing device is: on the correspondence position of support frame two side, the circular arc clamping guide-rail is set, one end is screw thread, after the T-shaped clamping cross bar of the other end passes described clamping guide-rail, its thread end fastening nut that spins, make clamp cross bar can only be movable along clamping guide-rail; Arrange one and clamp the arc piece below described clamping guide-rail, be fixed on described support frame sidewall, it is symmetric about axial plane in support frame, and clamping guide-rail also is symmetric about axial plane in support frame, and between the two apart from from the plane of symmetry to both sides decrescence; The cortex restraint zone penetrates and clamps cross bar and clamp the arc block gap, its afterbody is fixed on a spacer pin, described spacer pin snaps in the C shape stopper slot of support frame sidewall, the head of cortex restraint zone is around tested pipeline after one week, pass and clamp cross bar and the gap between himself, tension cortex restraint zone head clamps simultaneously cross bar and moves in clamping guide-rail along cortex restraint zone pine time direction, and the pressure that produces between clamping cross bar and clamping arc piece is with the self-locking of cortex restraint zone.
3. the erecting device of portable type ultrasonic flowmeter external clamping according to claim 2 probe, is characterized in that, described clamping arc piece cross section is the fan ring-type.
4. the erecting device of portable type ultrasonic flowmeter external clamping probe according to claim 1, is characterized in that, described rigidity ruler thickness and described steel ruler groove coupling with scale, are used for the positioning probe spacing.
5. the erecting device of portable type ultrasonic flowmeter external clamping according to claim 1 probe, it is characterized in that, described probe hold down gag is: a probe housing screw substrate is installed above described probe guide frame, the probe housing screw screws in the interior probe of the described probe guide frame of threaded hole compression at described probe housing screw substrate top, making probe be close to the tested pipeline outer wall.
6. the erecting device of portable type ultrasonic flowmeter external clamping probe according to claim 5, is characterized in that, the cross section of described probe housing screw substrate is П shape; Described probe guide frame is symmetric about axial plane in self, the probe guide frame is П shape perpendicular to the cross section of middle axial plane, the top section excision of probe guide frame, form gap and pass through for the probe cable, the top of two sides of probe guide frame respectively offers tapped blind hole and is used for installing described probe housing screw substrate.
7. the erecting device of portable type ultrasonic flowmeter external clamping according to claim 6 probe, it is characterized in that, described support frame is symmetric about axial plane wherein, wherein the cross section on axial plane is П shape, have threaded hole on the intersection of one of them side and middle axial plane, the framework joint bolt passes described threaded hole tightens together support frame and described probe guide frame.
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| CN 201110210647 CN102359802B (en) | 2011-07-26 | 2011-07-26 | Device for installing externally-clamping probes of portable ultrasonic flow meter |
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| CN 201110210647 CN102359802B (en) | 2011-07-26 | 2011-07-26 | Device for installing externally-clamping probes of portable ultrasonic flow meter |
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| CN102359802B true CN102359802B (en) | 2013-06-19 |
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| CN116892987B (en) * | 2023-09-11 | 2024-01-02 | 浙江蓝宝石仪表科技有限公司 | Ultrasonic flow metering device and detection method thereof |
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| Publication number | Publication date |
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| CN102359802A (en) | 2012-02-22 |
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