CN111421333B - Centering device for mounting heat dissipation type flowmeter on air pipe - Google Patents
Centering device for mounting heat dissipation type flowmeter on air pipe Download PDFInfo
- Publication number
- CN111421333B CN111421333B CN202010429314.9A CN202010429314A CN111421333B CN 111421333 B CN111421333 B CN 111421333B CN 202010429314 A CN202010429314 A CN 202010429314A CN 111421333 B CN111421333 B CN 111421333B
- Authority
- CN
- China
- Prior art keywords
- guide
- centering device
- magnet
- heat dissipation
- guide vane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
A centering device for a heat dissipation type flowmeter during installation on an air pipe belongs to the technical field of mechanical maintenance tools. The invention comprises a positioning device and a guiding device, wherein the positioning device comprises a fixing piece, a fluorescent body and a first magnet which are arranged on the fixing piece, and the guiding device comprises a pipe body, a horn-shaped guiding cylinder arranged at the end part of the pipe body and a second magnet arranged at the center in the guiding cylinder. The invention has simple operation, can accurately and efficiently finish the centering installation of the heat dissipation type flowmeter on the air pipe, and has high safety and low cost.
Description
Technical Field
The invention relates to the technical field of mechanical maintenance tools, in particular to a centering device for a heat dissipation type flowmeter during installation on an air pipe.
Background
The ventilation system is used as an important component of a power plant, is responsible for maintaining the temperature and the humidity of each room of the power plant, provides a comfortable working environment for power plant equipment, improves the working efficiency of the equipment, reduces the failure rate and ensures the safe and stable operation of the power plant. In daily flow measurement and control of the current power plant, the heat dissipation type flow meter is widely applied to measurement, and has the advantages of long maintenance period, small system pressure loss, high measurement precision and the like, which is incomparable with the conventional meter. However, in practical application, a common problem exists in a clamp-on type mounted flowmeter, because a flowmeter probe is mounted inside a closed ventilation pipeline and penetrates through two symmetrical mounting holes with the diameters close to that of the probe to fix the probe, the aperture is very small, an operator inserts the probe from one side of the pipeline and wants to observe the probe through the small hole and lead out the probe from the other side of the pipeline and fix the probe very difficultly, a blind-pair mode is usually adopted and can be completed through numerous attempts, most of heat dissipation flowmeters on the market at present are designed integrally, meters are long and heavy, the blind operation method is time-consuming and labor-consuming, the mounting quality cannot be guaranteed, the probe is easily damaged in the blind-pair process, and an irreversible result is caused; and most of such flowmeters are generally installed in the air, so that the potential safety hazard is very high. Heavy workload is added to daily maintenance, and meanwhile, operation risks are increased.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a centering device for a heat dissipation type flowmeter, which is easy and convenient to operate, can accurately and efficiently perform centering of the heat dissipation type flowmeter on an air duct, and is high in safety and low in cost.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a centering device when heat dissipation formula flowmeter installs on tuber pipe, includes positioner and guider, positioner includes the mounting, locates fluorophor and first magnet on the mounting, guider includes the body, locates the tubaeform guide cylinder of body tip, locate the second magnet of center department in the guide cylinder.
The use principle of the invention is as follows: the positioning device is arranged at the top of a probe of the heat dissipation type flowmeter through a fixing piece, then a worker A inserts the probe from a mounting hole at one side of an air pipe in a slow horizontal mode, a worker B observes a phosphor at the top of the probe inwards from a mounting hole at the other side of the air pipe to confirm the position of the probe, after the probe approximately reaches a proper position, the worker B calls the worker A and enables the worker A to keep the current position of the probe, then the worker B inserts a guide device into the mounting hole in a slow horizontal mode, under the large capture range and guide effect of a horn-shaped guide cylinder and the mutual attraction force of a first magnet on the positioning device and a second magnet in the guide cylinder, the guide device can effectively maintain the correct advancing direction or correct the advancing direction when small deviation occurs, and finally the first magnet and the second magnet are tightly attracted, and then the probe is inserted into the guide cylinder through the A, And B, the two workers are matched with each other in a traction and conveying manner, the probe is pulled out of the mounting hole on the side of the worker B along with the guide device, the fixing piece on the probe can be dismounted, the butt-clamp flange of the probe is mounted back, and the rapid and accurate mounting of the probe penetrating through the butt-clamp type instrument is completed.
Preferably, one end of the fixing piece is provided with a hexagonal fastening surface and an external thread. The mounting is fixed in the threaded hole of probe tip through the external screw thread installation, and the convenience of installation operation has then been improved to the hexagonal fastening face.
In the present invention, it is preferable that a concave surface is provided in the middle of the end surface of the first magnetic body, and the fluorescent material is provided in the concave surface. On one hand, the fluorophor is positioned on the axis of the probe, so that the positioning accuracy is ensured; on the other hand, the fluorescent body is embedded in the magnet, so that the protective effect on the fluorescent body is achieved.
Preferably, the guide cylinder is provided with a plurality of guide wedge grooves on the inner side wall, guide vanes are arranged in the guide wedge grooves, a guide vane mounting disc is sleeved on the pipe body, one end of each of the guide vanes is connected to the guide vane mounting disc, an adjusting ring is arranged on one side, away from the guide vanes, of the guide vane mounting disc on the pipe body, and the length of each guide vane is greater than that of each guide wedge groove. The setting up of guide vane has further increased the seizure scope of guide cylinder to the convenience and the efficiency of operation have been improved, and can be through the regulation of adjustable ring to stator mounting disc position, with the taking in and stretching out of control guide vane, take place the jam when avoiding whole guider business turn over tuber pipe mounting hole.
Preferably, the pipe body is provided with threads, and the adjusting ring is connected to the pipe body in a threaded manner. The structure enables the adjusting operation of the adjusting ring to be smoother and the adjusted position to be more stable.
Preferably, a static thrust disc is arranged on the outer side wall of the guide cylinder, and a spring is arranged between the static thrust disc and the guide vane mounting disc. The spring is used for providing the restoring force of stator mounting disc when accomodating the guide vane to when adjusting the ring and keeping away from guide cylinder one side regulation, the stator mounting disc is driving the guide vane and is moving to the adjustable ring under the effect of spring, thereby accomodate the guide vane into the direction and agree with the inslot.
Preferably, the guide vane mounting plate is provided with a guide groove on the inner side wall. The structure prevents the guide vane mounting disc from rotating relative to the pipe body, so that the guide vane is prevented from being dislocated and deflected.
Preferably, the guide vane is a soft magnetic elastic steel sheet. On one hand, the good toughness of the guide vane is convenient for unimpeded extension and retraction in the guide wedge groove; on the other hand, the soft magnetic characteristic is convenient for capturing the target, and the accurate attraction of the two magnets cannot be influenced in an interference mode, namely the centering of the device cannot be influenced.
Preferably, the guide cylinder is made of a non-ferromagnetic alloy material. The expansion of the magnetic force of the second magnet to the guide cylinder is avoided, and the influence on the centering precision caused by the fact that the magnetic force guide device is mistakenly absorbed to the metal mounting hole due to the small mounting hole or the running direction of the magnetic force guide device during interference application can be effectively avoided.
Preferably, the tube body is further connected with a telescopic rod. The telescopic rod is more convenient to adjust the length of the guide device, and the application range of the whole device is further widened.
The invention has the advantages that: the heat dissipation type flowmeter is simple and convenient to use, small in maintenance workload, wide in applicability and capable of thoroughly solving the problem that a heat dissipation type flowmeter and the like cannot be quickly centered when penetrating through the installation of the wafer type instrument probe, greatly reduces the cost of manpower and material resources, and improves the operation safety.
Drawings
FIG. 1 is a state diagram of use of one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the positioning device;
fig. 3 is a schematic structural view of the guide device.
1-a positioning device; 2-a guiding device; 11-a fixing member; 12-a phosphor; 13-a first magnet; 21-a pipe body; 22-a guide cylinder; 23-a second magnet; 221-a guide wedge groove; 222-a guide leaf; 223-guide vane mounting plate; 224-an adjustment ring; 225-static thrust disc; 226-a spring; 4, a telescopic rod; and 5, air pipes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a centering device when heat dissipation formula flowmeter installs on tuber pipe, includes positioner 1 and guider 2, positioner 1 includes mounting 11, locates fluorophor 12 and first magnet 13 on the mounting 11, guider 2 includes body 21, locates the tubaeform guide cylinder 22 of body 21 tip, locates second magnet 23 of guide cylinder 22 internal center department. Wherein, a hexagonal fastening surface and an external thread are arranged at one end of the fixing part 11 and are used for connecting with a threaded hole at the end part of the probe 3. The first magnet 13 has a concave surface in the middle of its end face, and the phosphor 12 is disposed in the concave surface. On one hand, the fluorophor is positioned on the axis of the probe, so that the positioning accuracy is ensured; on the other hand, the fluorescent body is embedded in the magnet, so that the protective effect on the fluorescent body is achieved. And the one end of second magnet 23 is equipped with hexagonal fastening face and external screw thread, body 21 tip is equipped with the internal thread, the erection joint and the dismantlement of the second magnet of being convenient for are maintained.
In addition, the first magnet 13 and the second magnet 23 are consistent in shape and size, so that complete attachment and accurate attachment position during attraction are facilitated, and meanwhile, the attraction stability is high and separation is not easy.
Further, the trumpet-shaped opening angle of the guide cylinder 22 is 150 degrees, 4 guide wedge grooves 221 are formed in the inner side wall of the guide cylinder, guide vanes 222 are arranged in the guide wedge grooves 221, a guide vane mounting disc 223 is sleeved on the pipe body 21, one end of each of the plurality of guide vanes 222 is connected to the guide vane mounting disc 223, an adjusting ring 224 is arranged on one side, away from the guide vanes 222, of the pipe body 21, and the length of each of the guide vanes 222 is larger than that of each of the guide wedge grooves 221. The setting up of guide vane has further increased the seizure scope of guide cylinder to the convenience and the efficiency of operation have been improved, and can be through the regulation of adjustable ring to stator mounting disc position, with the taking in and stretching out of control guide vane, take place the jam when avoiding whole guider business turn over tuber pipe mounting hole. Specifically, the tube body 21 is provided with threads, and the adjusting ring 224 is connected to the tube body in a threaded manner. The structure enables the adjusting operation of the adjusting ring to be smoother and the adjusted position to be more stable. And the outer side surface of the adjusting ring 224 is provided with a knurled design, so that the friction force is increased, and the adjusting operation of the adjusting ring is more convenient. In addition, a static thrust disc 225 is arranged on the outer side wall of the guide cylinder 22, and a spring 226 is arranged between the static thrust disc 225 and the guide vane mounting disc 223. The spring is used for providing the restoring force of stator mounting disc when accomodating the guide vane to when adjusting the ring and keeping away from guide cylinder one side regulation, the stator mounting disc is driving the guide vane and is moving to the adjustable ring under the effect of spring, thereby accomodate the guide vane into the direction and agree with the inslot. In addition, in order to position the spring, bosses are machined on the opposite side surfaces of the static thrust disc 225 and the guide vane mounting disc 223. Still be equipped with two guiding footpaths on the body 21, be equipped with two guide ways on the stator mounting disc 223 inside wall. The structure prevents the guide vane mounting disc from rotating relative to the pipe body, so that the guide vane is prevented from being dislocated and deflected.
Preferably, the guide vane 222 is a soft magnetic elastic steel sheet. On one hand, the good toughness of the guide vane is convenient for unimpeded extension and retraction in the guide wedge groove; on the other hand, the soft magnetic characteristic is convenient for capturing the target, and the accurate attraction of the two magnets cannot be influenced in an interference mode, namely the centering of the device cannot be influenced. And the guide cylinder 22 is a non-ferromagnetic alloy material. The expansion of the magnetic force of the second magnet to the guide cylinder is avoided, and the influence on the centering precision caused by the fact that the magnetic force guide device is mistakenly absorbed to the metal mounting hole due to the small mounting hole or the running direction of the magnetic force guide device during interference application can be effectively avoided.
In order to facilitate the adjustment of the length of the guiding device 2 and further improve the application range of the whole device, the tube body 21 is further connected with a telescopic rod 4. The telescopic rod 4 is composed of a tubular antenna type telescopic pipe and a handle, the tubular antenna type telescopic pipe is made of titanium alloy materials, is light and high in strength, the top end of the tubular antenna type telescopic pipe is provided with external threads, and the end part of the pipe body of the guide device is provided with internal threads which are convenient to disassemble and assemble.
In summary, the usage principle of the device is as follows:
fixing a positioning device on a screw hole at the top of a probe to be installed, confirming that a worker A at one side after screwing down inserts an integrated instrument probe into the mounting hole at one side of an air pipe 5, keeping the integrated instrument probe horizontally and slowly pushing the integrated instrument probe to the mounting hole at the other side, observing a luminescent phosphor in the air pipe through the mounting hole to confirm the position of the probe by another worker B, calling the worker A and keeping the worker B at the current position after the probe approximately reaches the proper position, starting to operate a guide device by the worker B, inserting the originally contracted guide device into the mounting hole, extending guide vanes of the guide device to the maximum opening by rotating an adjusting ring on the guide device, then grabbing a pipe body or a telescopic rod to horizontally and slowly approach to a target, wherein the target body and the grabbing direction are both provided with magnets, the guide vanes increase the grabbing surface, and the operators can obviously feel mutual attraction when the two magnets approach to a, at the moment, the guide device can easily move forwards only by a small advancing force, the advancing direction can be automatically corrected even if the guide device deviates in a small range, finally the two magnets are tightly attracted, then the probes are pulled out of the mounting holes through A, B two-person traction and conveying matching, the guide opening degree can be automatically adjusted according to the guide blades of the mounting holes of different sizes on site when the guide blades of the guide device are pulled back, and the problem of jamming caused by overlarge blade opening degree can be avoided. After the probe is confirmed to be pulled out of the mounting hole, the positioning device can be detached, the clamp flanges of the probe are reinstalled, and the rapid and accurate installation of the through clamp type instrument probe is completed.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A centering device of a heat dissipation type flowmeter during installation on an air pipe is characterized by comprising a positioning device and a guiding device, wherein the positioning device comprises a fixing piece, a fluorescent body and a first magnet, the fluorescent body and the first magnet are arranged on the fixing piece, the guiding device comprises a pipe body, a horn-shaped guiding cylinder arranged at the end part of the pipe body, and a second magnet arranged at the center in the guiding cylinder; the guide cylinder is characterized in that a plurality of guide wedge grooves are formed in the inner side wall of the guide cylinder, guide vanes are arranged in the guide wedge grooves, a guide vane mounting disc is sleeved on the pipe body, one ends of a plurality of guide vanes are connected to the guide vane mounting disc, an adjusting ring is arranged on one side, away from the guide vanes, of the guide vane mounting disc on the pipe body, and the length of each guide vane is greater than that of each guide wedge groove.
2. A heat dissipating flow meter centering device for use with an air duct as claimed in claim 1, wherein the fixture has a hexagonal fastening surface and an external thread at one end.
3. A heat dissipating flow meter centering device for an air duct according to claim 1, wherein said first magnet has a concave surface in the middle of its end face, and said phosphor is disposed in said concave surface.
4. A heat dissipating flow meter centering device on an air duct according to claim 1, wherein the body is threaded and the adjusting ring is threaded to the body.
5. The centering device for a heat dissipation flowmeter during installation on an air duct of claim 1, wherein a static thrust disc is arranged on the outer side wall of the guide cylinder, and a spring is arranged between the static thrust disc and the guide vane installation disc.
6. The centering device for a heat dissipation flowmeter as claimed in claim 1, wherein the tube body has a guide diameter, and the guide vane mounting plate has a guide groove on an inner side wall thereof.
7. The centering device for a heat dissipating flowmeter of claim 1, wherein said guide vanes are soft magnetic steel pieces.
8. A heat dissipating flow meter centering device on the air duct according to claim 1, wherein the guide cylinder is made of non-ferromagnetic alloy material.
9. A heat dissipating flow meter centering device for use with an air duct as claimed in claim 1, wherein a telescoping rod is attached to said body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010429314.9A CN111421333B (en) | 2020-05-20 | 2020-05-20 | Centering device for mounting heat dissipation type flowmeter on air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010429314.9A CN111421333B (en) | 2020-05-20 | 2020-05-20 | Centering device for mounting heat dissipation type flowmeter on air pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111421333A CN111421333A (en) | 2020-07-17 |
| CN111421333B true CN111421333B (en) | 2021-03-19 |
Family
ID=71558946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010429314.9A Active CN111421333B (en) | 2020-05-20 | 2020-05-20 | Centering device for mounting heat dissipation type flowmeter on air pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111421333B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010005029U1 (en) * | 2010-04-15 | 2010-07-08 | Förster GmbH | Mounting device for railings |
| CN203266091U (en) * | 2013-05-31 | 2013-11-06 | 中国化学工程第十一建设有限公司 | Quick equipment centering instrument |
| CN204823129U (en) * | 2015-07-17 | 2015-12-02 | 安徽精致机电科技有限公司 | A automatic well device calmly for transfer chain |
| CN106607680A (en) * | 2015-10-23 | 2017-05-03 | 天津华勘钻探机具有限公司 | Pin assembly hole fast positioning mechanism for trench exploration drilling tool |
| CN206441012U (en) * | 2016-12-27 | 2017-08-25 | 新乡航空工业(集团)有限公司 | Flowmeter detection installation quick centring mechanism |
-
2020
- 2020-05-20 CN CN202010429314.9A patent/CN111421333B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010005029U1 (en) * | 2010-04-15 | 2010-07-08 | Förster GmbH | Mounting device for railings |
| CN203266091U (en) * | 2013-05-31 | 2013-11-06 | 中国化学工程第十一建设有限公司 | Quick equipment centering instrument |
| CN204823129U (en) * | 2015-07-17 | 2015-12-02 | 安徽精致机电科技有限公司 | A automatic well device calmly for transfer chain |
| CN106607680A (en) * | 2015-10-23 | 2017-05-03 | 天津华勘钻探机具有限公司 | Pin assembly hole fast positioning mechanism for trench exploration drilling tool |
| CN206441012U (en) * | 2016-12-27 | 2017-08-25 | 新乡航空工业(集团)有限公司 | Flowmeter detection installation quick centring mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111421333A (en) | 2020-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20180119568A1 (en) | Systems and methods for attaching a borescope flexible probe or a guide tube to a component of a gas turbine | |
| CN111421333B (en) | Centering device for mounting heat dissipation type flowmeter on air pipe | |
| CN209094610U (en) | A kind of tooling for aircraft target ship covering distribution | |
| CN109371188B (en) | Blast branch pipe mounting method for blast furnace | |
| CN205571809U (en) | Flange rapid Assembly frock | |
| CN104044122B (en) | A kind of power drill clamping device being convenient to change bit location | |
| CN215470829U (en) | Assembled air conditioner pipeline component based on BIM | |
| CN211040070U (en) | Wave-soldering nitrogen protection is with adjustable activity aeration pipe mounting structure | |
| CN209252899U (en) | Collimator is cracked the device of position before a kind of quick adjustment | |
| CN209354686U (en) | Bite type stainless steel ball valve | |
| CN112879351A (en) | Fixed frock of adjustable quiet leaf angle of gas turbine compressor | |
| CN208057299U (en) | A kind of hydroturbine generator convenient for connection pressure conduit | |
| CN215258711U (en) | Sampling gun fixing device and sampling gun | |
| CN220647186U (en) | Pipeline connecting device for building heating and ventilation construction | |
| CN204829005U (en) | Sleeve pipe positioner | |
| CN215658765U (en) | Welding auxiliary device | |
| DE3704130C2 (en) | Gas heated water heater with a closed combustion chamber | |
| CN211875487U (en) | Pipeline periscope | |
| CN211028214U (en) | Guide vane assembly fixing device | |
| CN214471064U (en) | Replacement tool for turbine flowmeter | |
| CN108527193A (en) | One kind positioning adjustable mechanism for axial workpiece | |
| CN215486407U (en) | Flow regulating assembly, water cooling system and wind turbine generator system | |
| CN216097246U (en) | Beam closure plate fixed-position welding clamp | |
| CN213813654U (en) | Pitot tube device suitable for flow rate monitoring | |
| CN220555103U (en) | Special tool for installing high-altitude bridge screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |