CN112304382A - Fixing device of Pitotbar flowmeter and using method thereof - Google Patents
Fixing device of Pitotbar flowmeter and using method thereof Download PDFInfo
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- CN112304382A CN112304382A CN202011010758.5A CN202011010758A CN112304382A CN 112304382 A CN112304382 A CN 112304382A CN 202011010758 A CN202011010758 A CN 202011010758A CN 112304382 A CN112304382 A CN 112304382A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
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Abstract
The invention relates to a fixing device of a Pitotbar flowmeter, which comprises a first base, a second base and a connecting rod, wherein the first base is positioned above the second base; the first base is connected with the Pitot flowmeter, the second base is fixedly arranged on a pipeline to be measured, and a mounting hole matched with the Pitot flowmeter is reserved on the second base; the connecting rod alternates and connects first base and second base, and the connecting rod is used for the relative position of fixed first base and second base. This device is simple to use, and the installation is convenient with the dismantlement, easily fixes a position the depth of insertion of Pitotbar flowmeter through the connecting rod to and carry out effectual fixed to Pitotbar flowmeter. The invention also relates to a method for using the fixing device of the Pitot flowmeter, comprising the steps of mounting and dismounting the Pitot flowmeter by using the device. The method can ensure the installation of the Pitot flowmeter, has high stability, is easy to find and position, improves the efficiency of installing the Pitot flowmeter and is convenient for subsequent disassembly and replacement.
Description
Technical Field
The present invention relates to the field of the art of disassembling and assembling pitot flowmeters, and more particularly, it relates to a pitot flowmeter fixture and method of use.
Background
At present, the requirements of gas cabinets in the steel industry, particularly the requirements of energy environmental protection, are carried out nationwide, the requirements of energy utilization rate detection are improved, the Pitotbar flowmeter is applied to energy metering, the application time of the flowmeter has certain periodicity, the flowmeter has the problems of blockage, crystallization and the like after a certain period, the energy metering is influenced, and therefore the gas cabinets need to be frequently disassembled, cleaned and re-assembled. And the flow meter is mainly installed at a gas main pipe, the possibility of gas stop disassembly is very small, and therefore the disassembly and installation efficiency also needs special attention. At present, the dismounting device of the Pitot-bar flowmeter is inconvenient to use, has no tongs and has no positioning, and the dismounting process is easy to rub and hurt, and operating personnel can only slowly twist the mounting screw and the Pitot-bar flowmeter by hands in order to avoid the occurrence of the injured condition, so that the dismounting efficiency is lower, and the Pitot-bar flowmeter is easy to wear and tear and destroy and can not be recycled, thereby wasting resources.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a fixing device of a Pitot flowmeter, which is simple to use, convenient to install and disassemble, easy to position the insertion depth of the Pitot flowmeter through a connecting rod and effectively fix the Pitot flowmeter. The invention also aims to provide a using method of the fixing device of the Pitot flowmeter, the method can ensure that the Pitot flowmeter is installed, has high stability, is easy to find and position, improves the efficiency of installing the Pitot flowmeter and is convenient to disassemble and replace subsequently.
The technical purpose of the invention is realized by the following technical scheme: the fixing device of the Pitotbar flowmeter comprises a first base, a second base and a connecting rod, wherein the first base is positioned above the second base; the first base is connected with the Pitot flowmeter, the second base is fixedly arranged on a pipeline to be measured, and a mounting hole matched with the Pitot flowmeter is reserved on the second base; the connecting rod is connected with the first base and the second base in an inserting mode, and the connecting rod is used for fixing the relative positions of the first base and the second base.
In one embodiment, the connecting rod is a screw rod, a nut is arranged at one end of the connecting rod, and the length of the connecting rod is greater than the distance between the first base and the second base.
In one embodiment, a first through hole is formed in the first base, and an internal thread matched with the external thread of the connecting rod is arranged in the first through hole.
In one embodiment, a second through hole is formed in the first base, a groove is formed in the second through hole, a protruding portion is arranged at the lower end of the connecting rod, corresponding to the lower portion of the nut, and the protruding portion is matched with the groove.
In one embodiment, the connecting rod is provided with nuts corresponding to the upper side and the lower side of the second base respectively, and the two nuts are matched with the external threads of the connecting rod.
In one embodiment, a space is left between the first base and the second base and the first base and the second base are arranged in parallel, and the central axes of the connecting rods are perpendicular to the first base and the second base.
In one embodiment, the second base is fixedly arranged on the pipeline to be tested through a valve, the mounting hole in the second base corresponds to the opening of the valve, and the connecting position of the connecting rod and the second base corresponds to the outer side of the valve.
In one embodiment, the apparatus further comprises a transmitter coupled to the end of the pitot flowmeter.
The use method of the fixing device of the Pitotbar flowmeter comprises the installation steps: sequentially mounting a valve and a second base at the opening of the pipeline to be tested, wherein the valve is in a closed state; setting the distance between the first base and the second base according to the required insertion depth of the Pitotbar flowmeter, and marking on the connecting rod; the valve is opened and the Pitotbar flowmeter is inserted, the connecting rod is inserted in the first base and the second base, and the relative position between the first base and the second base is fixed through the connecting rod according to the mark on the connecting rod.
In one embodiment, the method further comprises the step of disassembling: the connection between the connecting rod and the nut on the lower side of the second base is released, the nut on the upper side of the second base is fixed by a wrench, the connecting rod and the Pitotbar flowmeter are sequentially disassembled upwards by a nut of a socket wrench knob connecting rod, and finally the main valve is closed.
In conclusion, the invention has the following beneficial effects:
1. this device is simple to use, and the installation is convenient with the dismantlement, easily fixes a position the depth of insertion of Pitotbar flowmeter through the connecting rod to and carry out effectual fixed to Pitotbar flowmeter.
2. The connecting rod and the first base are fixedly installed and are convenient to detach, so that after the installation is fixed, the first base is connected at a fixed height relative to the connecting rod, and the distance between the first base and the second base is kept.
3. In the installation, the distance height of the first base and the second base may need to be adjusted adaptively, after the connecting rod is fixed with the first base, a preset distance separated between the first base and the second base can be determined by screwing one of the nuts to a certain position, then the installation position of the Pitotbar flowmeter can be determined by tightly attaching the nut to the upper side of the second base, and the second nut is screwed to be locked at the lower side of the second base after being adjusted properly, so that the fixing is further performed.
4. First base and second base relatively fixed's position need have certain space, this can select to set up according to pitot flowmeter's probe length and the atress condition, nevertheless in order to guarantee the straightness that hangs down after pitot flowmeter inserts the pipeline that awaits measuring, need make first base and second base parallel to each other, the through-hole on two bases also guarantees perpendicular setting, make two perpendicular bases of assurance of male connecting rod and connect, thereby the installation operation is more simple and convenient reliable, and also has certain guard action to pitot flowmeter's probe.
5. The method can ensure the installation of the Pitot flowmeter, has high stability, is easy to find and position, improves the efficiency of installing the Pitot flowmeter and is convenient for subsequent disassembly and replacement.
6. Because this fixing device has been add at installation pitot bar flow meter, it is also very convenient to dismantle and change, and whole in-process no matter the installation, dismantle all can use devices such as spanner, has reduced the bare-handed number of times of contact flowmeter of operating personnel, has also avoided bare-handed twisting connecting rod and injured incident to appear simultaneously, can fully accelerate the speed that operating personnel dismantled, installed, improvement work efficiency.
Drawings
FIG. 1 is a schematic view of the construction of the fixture of the Pitot flowmeter of the present invention;
FIG. 2 is a schematic structural view of embodiment 1 of the present invention;
fig. 3 is a schematic structural view of the first base and the connecting rod in embodiment 2 of the present invention.
In the figure: 1-Pitotbar flowmeter, 2-nut, 3-nut, 4-connecting rod, 41-lug boss, 5-first base, 51-first through hole, 52-second through hole, 6-second base, 7-transmitter, 8-valve.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse explanation, these directional terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present application.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures, and it is to be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example 1
As shown in fig. 1, the fixing device of the pitot flowmeter comprises a first base 5, a second base 6 and a connecting rod 4, wherein the first base 5 is positioned above the second base 6; the first base 5 is connected with the Pitot flowmeter 1, the second base 6 is fixedly arranged on a pipeline to be measured, and a mounting hole matched with the Pitot flowmeter 1 is reserved on the second base 6; the connecting rod 4 is inserted and connected with the first base 5 and the second base 6, and the connecting rod 4 is used for fixing the relative positions of the first base 5 and the second base 6. This device is simple to use, and the installation is convenient with the dismantlement, easily fixes a position the depth of insertion of pitot flowmeter 1 through connecting rod 4 to and carry out effectual fixed to pitot flowmeter 1. First base 5 and second base 6 respectively with the Pitot flowmeter 1 with the pipeline fixed connection that awaits measuring, connecting rod 4 alternates on first base 5 and second base 6, utilize the distance between the fixed first base 5 of connecting rod 4 and the second base 6 to the depth of relative fixation Pitot flowmeter 1 in inserting the pipeline that awaits measuring, and after this distance is locked through connecting rod 4, Pitot flowmeter 1 is installed on the pipeline that awaits measuring steadily, gets into normal operating condition.
The Pitot flowmeter 1 is a differential pressure type flowmeter which extracts the flow velocity of fluid in the center of a pipeline by adopting a pitot tube principle, reduces static pressure by total pressure to be equal to dynamic pressure and converts the flow velocity into fluid volume flow and mass flow, a probe is inserted into the center of the pipeline by the Pitot flowmeter 1, a total pressure hole is aligned with the incoming flow direction of the fluid, a static pressure hole is aligned with the outgoing flow direction of the fluid, the difference between the total pressure and the static pressure is the actually measured differential pressure in the center of the pipeline, the standard differential pressure of the point is fitted by a wind tunnel calibration curve of the probe, and the flow of the fluid is calculated according to. Therefore, the probe of the pitot flowmeter 1 must be vertically inserted into the pipeline to be measured so as to ensure that the total pressure hole and the static pressure hole can be respectively aligned with the incoming flow direction and the outgoing flow direction of the fluid, and the measured data can be obtained more accurately. And because the probe is longer, in order to further fix, the straightness that hangs down of the installation of pitot flowmeter 1 is guaranteed to the mounting hole of accessible second base 6, and because combine first base 5 and pitot flowmeter 1's erection joint, as long as through the relative position of connecting rod 4 fixed first base 5 and second base 6, can fix pitot flowmeter 1 and can guarantee its installation accuracy.
In this embodiment, the connecting rod 4 is a screw rod, the nut 2 is arranged at one end of the connecting rod 4, and the length of the connecting rod 4 is greater than the distance between the first base 5 and the second base 6. Connecting rod 4 connects fixed first base 5 and second base 6, in order to make connecting rod 4 can pass first base 5 and second base 6, and make things convenient for connecting rod 4 can adjust relatively first base 5 and second base 6 and fix again, connecting rod 4 need have certain length, install and confirm the different distance between first base 5 and the second base 6 with the different size pitot flowmeter 1 of adaptation, and connecting rod 4 is the screw rod and is equipped with nut 2, conveniently insert and go on fixedly behind first base 5 or the second base 6, for example add nut etc., can use box spanner to pass through nut 2 borrow power when also conveniently dismantling simultaneously, and make more laborsaving and easy and simple to handle when dismantling the device and pitot flowmeter 1.
As shown in fig. 2, in the present embodiment, a first through hole 51 is formed on the first base 5, and an internal thread adapted to the external thread of the connecting rod 4 is formed in the first through hole 51. In order to enable the connecting rod 4 and the first base 5 to be fixedly installed and to be conveniently detached, the connecting rod 4 and the first through hole 51 can be connected in a threaded fit manner, so that after the connecting rod 4 is installed and fixed, the first base 5 is connected at a fixed height relative to the connecting rod 4, and the distance between the first base 5 and the second base 6 is kept. Meanwhile, the connecting rod 4 equivalently strengthens the connection strength of the probe of the Pitot flowmeter 1 between the first base 5 and the second base 6, and avoids the influence on equipment and installation of the Pitot flowmeter 1 caused by collision of objects near the installation position and the like.
In this embodiment, the upper and lower both sides that connecting rod 4 corresponds second base 6 are equipped with nut 3 respectively, and two nuts 3 all are with the external screw thread looks adaptation of connecting rod 4. And for the connection of second base 6 and connecting rod 4, can adopt two nuts 3 of establishing respectively in second base 6 upper and lower both sides to fix, because in the installation, probably need to carry out the adaptability to the distance height of first base 5 and second base 6, and after connecting rod 4 and first base 5 are fixed, accessible screw in one of them nut 3 to a certain position to confirm the predetermined distance of keeping apart between first base 5 and the second base 6, then can confirm the mounted position of pitot flowmeter 1 according to this nut 3 hugs closely with the upside of second base 6 during the installation, screw in second nut 3 again after the suitable adjustment in order to lock the downside of second base 6, thereby further fix. In addition, the connection modes of the first base 5 and the second base 6 and the connecting rod 4 can be opposite, and the fixed mounting sequence is correspondingly exchanged, namely the connecting rod 4 is connected with the second base 6 through one end of the nut 2 in a threaded mode, and then the two nuts 3 are clamped on the upper side and the lower side of the first base 5 to be fixed, so that the distance adjustment and the relative fixation of the first base 5 and the second base 6 can be realized, and the mounting position of the Pitotbar flowmeter 1 is locked.
In this embodiment, a space is left between the first base 5 and the second base 6 and the space is arranged in parallel to each other, and the central axes of the connecting rods 4 are perpendicular to the first base 5 and the second base 6. The position of first base 5 and the relative fixed of second base 6 needs to have certain space, this can select to set up according to pitot flowmeter 1's probe length and atress condition, but in order to guarantee the straightness that hangs down after pitot flowmeter 1 inserts the pipeline that awaits measuring, need make first base 5 and second base 6 parallel to each other, perpendicular setting is also guaranteed to the through-hole on two bases, make two perpendicular bases of assurance of the fixed connecting rod 4 of usefulness of inserting connect, thereby the operation that makes utilize connecting rod 4 to confirm the distance between first base 5 and the second base 6 is more simple and convenient reliable, and also have certain guard action to the probe that is sharp extension of pitot flowmeter 1. First base 5 and 6 pitot flowmeter 1's of second base equal in the mounting hole with set up the sealing washer to play the effect of the frictional force when increasing pitot flowmeter 1 and being connected the installation with first base 5 and second base 6 respectively, also have certain cushioning effect simultaneously, avoid unexpected application of force and make pitot flowmeter 1's probe take place to buckle etc. and damage.
In this embodiment, the second base 6 is fixed on the pipe to be tested through a valve 8, the mounting hole on the second base 6 corresponds to the opening of the valve 8, and the connecting position of the connecting rod 4 and the second base 6 corresponds to the outer side of the valve 8. Still be equipped with valve 8 between pitot flowmeter 1 and the pipeline that awaits measuring to make things convenient for pitot flowmeter 1 online dismouting, through the switching of valve 8, avoid the liquid or the gas leakage in the pipeline that awaits measuring to come out and cause the construction accident. The connecting rod 4 is correspondingly arranged on the outer side of the valve 8, and if the connecting rod 4 with proper length is arranged, the connecting rod 4 can also penetrate through the second base 6 and then prop against the upper side of the pipeline to be tested so as to further fix the installation of the Pitotbar flowmeter 1; in order to facilitate height adjustment or connection of the pitot-bar flow meter 1 required by different insertion depths, the length of the connecting rod 4 penetrating out of the second base 6 is generally set to be shorter than the distance from the second base 6 to the upper side of the pipeline to be measured. This fixing device also includes a transmitter 7, the transmitter 7 being connected to the end of the pitot-flowmeter 1. Utilize pressure transmitter 7 to measure fluid pressure, feedback pitot flowmeter 1 and this to be measured the pressure signal of pipeline junction in real time to when installation or dismantlement operation, can judge according to pressure signal whether the pipeline that awaits measuring has the condition of leaking to appear, guarantee the operation personnel safety.
The use method of the fixing device of the Pitotbar flowmeter comprises the installation steps: a valve 8 and a second base 6 are sequentially installed at the opening of the pipeline to be tested, and the valve 8 is in a closed state; setting the distance between the first base 5 and the second base 6 according to the required insertion depth of the Pitotbar flowmeter 1, and marking on the connecting rod 4; open valve 8 and insert pitot flowmeter 1, first base 5 and second base 6 are connected in the interlude to connecting rod 4 to according to the mark on connecting rod 4, through the relative position of connecting rod 4 fixed between first base 5 and the second base 6. The method can ensure that the stability is high when the Pitot-bar flowmeter 1 is installed, the alignment and the positioning are easy, the efficiency of installing the Pitot-bar flowmeter 1 is improved, and meanwhile, the subsequent disassembly and replacement are convenient. The trompil department of the pipeline that awaits measuring corresponds welding valve 8 and second base 6, and the mounting hole on the second base 6 corresponds the opening of valve 8 to the insertion and the alignment of the 1 probe of pitot flowmeter of being convenient for. The method for measuring the insertion depth of the Pitotbar flowmeter 1 and marking the connecting rod 4 can firstly roughly measure the outer side to determine a preset value, then mark the distance between the first base 5 and the second base 6, usually, the relative position of one end of the connecting rod 4 with the nut 2 and the first base 5 is fixed, then a nut 3 is screwed in to mark the distance between the first base 5 and the second base 6, during subsequent connection, the connecting rod 4 can be inserted into the second base 6, then the nut 3 is propped against the upper side of the second base 6 to roughly position, and finally a nut 3 is screwed in the lower side of the second base 6 to further lock, so that the installation is completed.
The method further comprises the step of disassembling: the connection between the connecting rod 4 and the nut 3 on the lower side of the second base 6 is released, the nut 3 on the upper side of the second base 6 is fixed by a wrench, the nut 2 of the connecting rod 4 is turned by a socket wrench, the connecting rod 4 and the Pitot flowmeter 1 are sequentially detached upwards, and finally the main valve 8 is closed. Owing to add this fixing device when installation pitot flowmeter 1, it is also very convenient to dismantle and change, and whole in-process no matter the installation, dismantle and all can use devices such as spanner, has reduced the bare-handed number of times of contact pitot flowmeter 1 of operating personnel, has also avoided bare-handed twisting simultaneously to move connecting rod 4 and the injured incident appears, can fully accelerate the speed that operating personnel dismantled, installed, improvement work efficiency. Because connecting rod 4 is the screw rod, during the dismantlement, back 3 nuts of the 6 downside of second base of back of screwing out, 6 rebound of second base relatively of connecting rod 4, drive connecting rod 4 through box spanner knob nut 2 and rotate, and because connecting rod 4 is threaded connection with first base 5, therefore, nut 3 of the 6 upside of fixed second base is in order to guarantee the slow demolition of connecting rod 4, for connecting rod 4, both ends all have threaded connection about it, slow rotation is taken out and is guaranteed two perpendicular bases of removal of connecting rod 4, and the upwards slow dismantlement of pitot flowmeter 1, avoid the uneven probe of pitot flowmeter 1 of buckling of in-process atress.
Example 2
In this embodiment, unlike embodiment 1, as shown in fig. 3, the first base 5 and the connecting rod 4 are fixedly connected in a different manner, and the subsequent detachment is also different. The first base 5 is provided with a second through hole 52, a groove is formed in the second through hole 52, a protruding portion 41 is arranged below the upper end of the connecting rod 4 corresponding to the nut 2, and the protruding portion 41 is matched with the groove. The arrangement of the groove and the boss 41 is such that the connection of the connecting rod 4 and the first base 5 is a rotatable connection, but the relative up-and-down movement between them is limited, thus also realizing the mounting and dismounting of the Pitot-bar flowmeter 1 without affecting the rough positioning of screwing in the first nut 3 and the fixed connection of the connecting rod 4 and the second base 6. This beneficial effect can with each pitot flowmeter 1 first carry out the adaptation installation, need not to look for corresponding connecting rod 4 when installation and dismantlement, also can adapt to the installation of most pipeline that awaits measuring moreover. This connected mode is at the dismantlement in-process, remove the fixed connection back of connecting rod 4 and second base 6, need make connecting rod 4 and pitot flowmeter 1 slowly upwards demolish simultaneously, when connecting rod 4 is constantly rotatory upwards, can make pitot flowmeter 1 break away from second base 6 in step gradually, nevertheless because the probe still has longer partly in inserting the pipeline that awaits measuring, consequently, connecting rod 4 also breaks away from second base 6 earlier, later can continue to demolish pitot flowmeter 1 and in time close valve 8 to avoid the pipeline that awaits measuring to leak.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The fixing device of the Pitotbar flowmeter is characterized by comprising a first base (5), a second base (6) and a connecting rod (4), wherein the first base (5) is positioned above the second base (6); the first base (5) is connected with the Pitot flowmeter (1), the second base (6) is fixedly arranged on a pipeline to be measured, and a mounting hole matched with the Pitot flowmeter (1) is reserved on the second base (6); the connecting rod (4) is connected with the first base (5) and the second base (6) in a penetrating mode, and the connecting rod (4) is used for fixing the relative positions of the first base (5) and the second base (6).
2. A pitot-flowmeter fixture as claimed in claim 1, characterized in that the connecting rod (4) is a threaded rod, a nut (2) is provided at one end of the connecting rod (4), and the length of the connecting rod (4) is greater than the distance between the first base (5) and the second base (6).
3. A pitot-flow meter fixture according to claim 2, c h a r a c t e r i z e d in that the first base (5) is provided with a first through hole (51), and that the first through hole (51) is provided with an internal thread adapted to the external thread of the connecting rod (4).
4. A pitot-flowmeter fixture device according to claim 2, wherein the first base (5) is provided with a second through hole (52), the second through hole (52) is provided with a recess, the upper end of the connecting rod (4) is provided with a boss (41) corresponding to the lower part of the nut (2), and the boss (41) is adapted to the recess.
5. A pitot-flow meter fixing device according to claim 3 or 4, characterized in that the connecting rod (4) is provided with nuts (3) corresponding to the upper and lower sides of the second base (6), both nuts (3) being adapted to the external thread of the connecting rod (4).
6. A pitot-flowmeter fixture device according to claim 5, characterized in that a space is provided between the first base (5) and the second base (6) and arranged parallel to each other, and the central axes of the connecting rods (4) are perpendicular to both the first base (5) and the second base (6).
7. A pitot-flow meter fixture according to claim 1 or 6, characterized in that the second base (6) is fixed to the pipe to be measured by a valve (8), and the mounting hole of the second base (6) corresponds to the opening of the valve (8), and the connecting position of the connecting rod (4) and the second base (6) corresponds to the outside of the valve (8).
8. A pitot-flowmeter fixture as claimed in claim 7, further comprising a transmitter (7), said transmitter (7) being connected to the end of the pitot-flowmeter (1).
9. The use method of the fixing device of the Pitotbar flowmeter is characterized by comprising the following installation steps: sequentially mounting a valve and a second base at the opening of the pipeline to be tested, wherein the valve is in a closed state; setting the distance between the first base and the second base according to the required insertion depth of the Pitotbar flowmeter, and marking on the connecting rod; the valve is opened and the Pitotbar flowmeter is inserted, the connecting rod is inserted in the first base and the second base, and the relative position between the first base and the second base is fixed through the connecting rod according to the mark on the connecting rod.
10. The method of using the pitot flowmeter fixture of claim 9 further comprising the step of disassembling: the connection between the connecting rod and the nut on the lower side of the second base is released, the nut on the upper side of the second base is fixed by a wrench, the connecting rod and the Pitotbar flowmeter are sequentially disassembled upwards by a nut of a socket wrench knob connecting rod, and finally the main valve is closed.
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| CN202011010758.5A CN112304382A (en) | 2020-09-23 | 2020-09-23 | Fixing device of Pitotbar flowmeter and using method thereof |
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| CN202011010758.5A CN112304382A (en) | 2020-09-23 | 2020-09-23 | Fixing device of Pitotbar flowmeter and using method thereof |
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| CN103196502A (en) * | 2013-04-01 | 2013-07-10 | 辽宁毕托巴科技有限公司 | High-temperature Bi Toba flowmeter |
| KR101755446B1 (en) * | 2016-03-10 | 2017-07-10 | 주식회사 남도 | Flowmeter integration type cap of underground water well with connecting inlet and outlet device |
| CN206891496U (en) * | 2017-06-09 | 2018-01-16 | 淮安赛希尔自动化仪表有限公司 | A kind of Li Tuoba flowmeter structures with single pole driving |
| CN210664610U (en) * | 2019-09-26 | 2020-06-02 | 沧州天仪仪器仪表有限公司 | Annuba differential pressure flowmeter |
| CN110631648A (en) * | 2019-11-14 | 2019-12-31 | 上海权宥环保科技有限公司 | Sensor combined Pitotbar flowmeter |
| CN110895163A (en) * | 2019-12-10 | 2020-03-20 | 西安西派测控技术有限公司 | Ultrasonic flowmeter support |
| CN110907008A (en) * | 2019-12-10 | 2020-03-24 | 西安西派测控技术有限公司 | Mounting structure of ultrasonic flowmeter |
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