CN114526386A - Flowmeter flange dismounting device and using method - Google Patents
Flowmeter flange dismounting device and using method Download PDFInfo
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- CN114526386A CN114526386A CN202210018535.6A CN202210018535A CN114526386A CN 114526386 A CN114526386 A CN 114526386A CN 202210018535 A CN202210018535 A CN 202210018535A CN 114526386 A CN114526386 A CN 114526386A
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- 238000000034 method Methods 0.000 title claims description 13
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
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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
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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
- G01F15/185—Connecting means, e.g. bypass conduits
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to a flowmeter flange dismounting device, which comprises a dismounting module for dismounting rusty fixing bolts, a flowmeter frame arranged on a flowmeter flange and a pipeline flange frame arranged on a conveying pipeline flange, wherein pipeline flowmeters used in a steel plant are different in size and various in form, but most of the pipeline flowmeters are connected with a pipeline by using the flange, but the fixing bolts of the flange are easily corroded to rust due to the severe field environment, when the pipeline flowmeters need to be maintained or replaced due to faults, the pipeline flowmeters cannot be normally dismounted due to rusting of the fixing bolts of the pipeline flowmeter flange and the pipeline flange, the rusty fixing bolts in the flange need to be welded by wind, but the field environment belongs to a gas area, the dynamic fire operation has larger potential safety hazards, the efficiency of the manually rusted fixing bolts is low, and the production of enterprises can be greatly influenced, therefore, it is necessary to develop a device for rapidly detaching the rusted fixing bolt while ensuring safety.
Description
Technical Field
The invention relates to the technical field of pipeline device dismounting, in particular to a pipeline flowmeter flange dismounting device and a using method thereof.
Background
The pipeline flow meters used in steel plants are different in size and various in form, but most of the pipeline flow meters are connected with pipelines by flanges, however, because the field environment is severe, the fixing bolts of the flange are easy to be corroded to rust, when the pipeline flowmeter needs to be repaired or replaced due to faults, the flange of the pipeline flowmeter and the fixing bolts of the pipeline flange are rusted to cause abnormal disassembly, the rusted fixing bolts in the flange are required to be welded and melted by wind, however, the field environment belongs to a gas area, the fire operation has great potential safety hazard, the relatively safe method only enables workers to manually disassemble rusty fixing bolts, the manual disassembly of the rusty fixing bolts is time-consuming, labor-consuming and low in efficiency, and the normal production of enterprises is greatly influenced, therefore, it is necessary to develop a device for rapidly detaching the rusted fixing bolt while ensuring safety.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a flowmeter flange dismounting device and a using method thereof, which are used for quickly dismounting rusted fixing bolts in a flange on the premise of ensuring safety in a fire-forbidden area.
The technical purpose of the invention is realized by the following technical scheme:
a flow meter flange dismounting device comprises a dismounting module for dismounting rusted fixing bolts, a flow meter frame arranged on a flow meter flange and a pipeline flange frame arranged on a conveying pipeline flange;
the flowmeter frame comprises two symmetrical flowmeter half frames, each flowmeter half frame comprises a flowmeter flange half ring, a flowmeter retaining half ring and a plurality of upper connecting rods, the two flowmeter flange half rings form a flowmeter flange ring through a connecting module, the two flowmeter retaining ring half rings form a flowmeter retaining ring through a connecting module, and the upper connecting rods are arranged between the flowmeter flange half rings and the flowmeter retaining half rings;
the pipeline flange frame consists of two symmetrical pipeline flange half frames, each pipeline flange half frame comprises a pipeline flange half ring, a pipeline fixing half ring and a plurality of lower connecting rods, the two pipeline flange half rings form a pipeline flange ring through a connecting module, the two pipeline fixing half rings form a pipeline fixing ring through a connecting module, and the lower connecting rods are arranged between the pipeline flange ring and the pipeline fixing ring;
the disassembly module is arranged between the flowmeter flange ring and the pipeline flange ring. Flowmeter frame and pipeline flange frame are all dismantled through linking module, can install from the left and right sides of flange and pipeline when making the device install, and it is all more convenient whether the installation still to dismantle, and can be firm install on flowmeter flange or pipeline. Flowmeter frame and pipeline flange frame are all dismantled through the lock module, can install from the left and right sides of flange and pipeline when making the device install, and it is all more convenient no matter to install or dismantle, and can be firm install on flowmeter flange or pipeline.
In one embodiment, the inner wall of the flowmeter flange ring is provided with a groove matched with the flowmeter flange, and the inner wall of the pipeline flange ring is provided with a groove matched with the conveying pipeline flange. So that the flange ring can be firmly clamped on the flange.
In one embodiment, the outer side surface of the flow meter flange ring is provided with a first annular platform, the thickness of the first annular platform is smaller than that of the flow meter flange ring, the top surface of the first annular platform is flush with the top surface of the flow meter flange ring, the outer side surface of the pipeline flange ring is provided with a second annular platform, the thickness of the second annular platform is smaller than that of the pipeline flange ring, and the bottom surface of the second annular platform is flush with the bottom surface of the pipeline flange ring. A space is formed between the first annular platform and the second annular platform for operating the dismounting module.
In one embodiment, the second annular platform is provided with a plurality of connecting threaded holes, the disassembling module comprises a nut and a bolt, the nut is fixedly connected with the top of the bolt, the bolt is positioned between the first annular platform and the second annular platform, and the bottom of the bolt is in threaded connection with the connecting threaded holes. The nut can provide the position that the spanner of being convenient for was twisted for dismantling the module, and the power when dismantling the module and mainly utilizing the twist bolt is ejecting with the flange to reach the purpose of dismantling the flowmeter flange, and take out rusty fixing bolt.
In one embodiment, the connection module comprises snap fasteners and fastening parts, the snap fasteners are respectively arranged on one half ring of the flowmeter flange ring, the flowmeter retaining ring, the pipeline flange ring and the pipeline retaining ring, the fastening parts are respectively arranged on the other half ring of the flowmeter flange ring, the flowmeter retaining ring, the pipeline flange ring and the pipeline retaining ring, the snap fasteners comprise a bottom plate, a pull plate and a connecting ring, one end of the pull plate is hinged with one end of the bottom plate, the connecting ring is hinged with one end of the pull plate close to the bottom plate, a torsion spring is arranged at the hinged position of the pull plate and the bottom plate, one end of the torsion spring abuts against the bottom plate, and the other end of the torsion spring is connected with the connecting ring. The buckling module is used for disassembling and combining the frame, the spring buckle is simple to use, the strength is high after buckling, the stability is good, one end of the torsion spring props against the bottom plate, the other end of the torsion spring is connected with the connecting ring, and when the connecting ring is pulled to the buckling part by the pulling plate to be buckled, the force generated by the torsion spring can become tensile force, so that the frame can be buckled tightly and firmly.
In one embodiment, the fastening portion is a hook adapted to the attachment ring. The snap-fit portion provides a location for the snap-fit connection.
In one embodiment, the inner walls of the flowmeter retaining ring and the pipeline retaining ring are provided with rubber pads with grains. The friction force is increased, the stress is more stable in the using process, and the overall stability of the device is increased.
In one embodiment, the upper connecting rod is detachably connected with the flowmeter retaining ring and the flowmeter flange ring through connecting parts respectively, and the lower connecting rod is detachably connected with the pipeline flange ring and the pipeline retaining ring through connecting parts respectively.
In one embodiment, the connecting part comprises a sleeve and a leaf, the bottom end of the sleeve is hinged with the side face of the leaf, the leaf is provided with a through hole, the inner diameter of the sleeve is the same as the outer diameter of the upper connecting rod, and the inner diameter of the sleeve is the same as the outer diameter of the lower connecting rod;
the two ends of the upper connecting rod are respectively connected with the sleeves, the vanes connected with the sleeves at the top ends of the upper connecting rods penetrate through holes by screws and are fixed on the bottom surface of the flowmeter retention semi-ring, the vanes connected with the sleeves at the bottom ends of the upper connecting rods penetrate through holes by screws and are fixed on the top surface of the flowmeter flange semi-ring, the two ends of the lower connecting rod are respectively connected with the sleeves, the vanes connected with the sleeves at the bottom ends of the lower connecting rods penetrate through holes by screws and are fixed on the top surface of the pipeline retention semi-ring, and the vanes connected with the sleeves at the top ends of the lower connecting rods penetrate through holes by screws and are fixed on the bottom surface of the pipeline flange semi-ring.
A method for using a flow meter flange dismounting device, a method for mounting and using the flange dismounting device, comprises the following steps;
sequentially unfastening the connecting modules on the flowmeter frame to separate the flowmeter frame into two flowmeter half frames;
the two flowmeter half frames are respectively sleeved on two sides of a flowmeter flange, the inner wall groove of a flowmeter flange ring is clamped on the flowmeter flange, and a flowmeter retaining ring is sleeved on a flowmeter pipeline to sequentially lock and lock the connecting modules on the flowmeter frames;
screwing a nut of the disassembling module to enable a bolt of the disassembling module to move to be close to the second annular platform, and sequentially unfastening the connecting modules on the pipeline flange frame to enable the pipeline flange frame to be separated into two pipeline flange half frames;
the two pipeline flange semi-frames are sleeved on two sides of a pipeline flange respectively, grooves in the inner wall of a pipeline flange ring are clamped on the pipeline flange, a pipeline retaining ring is sleeved on the pipeline, connecting modules on the pipeline flange frame are buckled and locked in sequence, the device is installed, and bolts are located between a first annular platform and a second annular platform;
and screwing the nut of the disassembly module, wherein the top surface of the bolt of the disassembly module is in contact with the first annular platform of the flow rate and applies force to the flowmeter flange and the pipeline flange, so that the flowmeter flange and the pipeline flange are separated.
In conclusion, the invention has the following beneficial effects:
firstly, the fire-fighting safety device can avoid fire-fighting operation, avoids potential safety hazards and ensures the personal safety of workers in the operation process.
Secondly, the rusty fixing bolt in the flange can be quickly disassembled by using the flange disassembling tool, and compared with manual disassembling, the rusty fixing bolt is manually disassembled, so that the working strength of workers is reduced to a certain extent.
Thirdly, the use of the invention can reduce the time consumed by replacing or maintaining the flowmeter, reduce the production stop time of enterprises and effectively reduce the negative influence of the production stop on the productivity of the enterprises to a certain extent.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic structural diagram of a connection module;
fig. 4 is a schematic structural view of the connecting portion.
In the figure: 1-a flow meter frame, 11-a flow meter flange ring, 12-an upper connecting rod, 13-a flow meter retaining ring, 2-a pipeline flange frame, 21-a pipeline flange ring, 211-a connecting threaded hole, 22-a lower connecting rod, 23-a pipeline retaining ring, 3-a disassembly module, 4-a connection module, 41-a spring buckle, 411-a bottom plate, 412-a pulling plate, 413-a connecting ring, 42-a buckling part and 5-a connecting part.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
It should be noted that the terms "upper", "lower", "left", "right", "front", "back", and the like used herein are defined with respect to the view of the drawings, and are only for convenience of description and should not be construed as limiting the technical solutions.
As shown in fig. 1-4, a flowmeter flange dismounting device comprises a dismounting module 3 for dismounting rusted fixing bolts, a flowmeter frame 1 mounted on a flowmeter flange, and a pipeline flange frame 2 mounted on a conveying pipeline flange;
the flowmeter frame 1 consists of two symmetrical flowmeter half frames, each flowmeter half frame comprises a flowmeter flange half ring, a flowmeter retainer half ring and a plurality of upper connecting rods 12, the two flowmeter flange half rings form a flowmeter flange ring 11 through a connecting module 4, the two flowmeter retainer half rings form a flowmeter retainer ring 13 through the connecting module 4, and the upper connecting rods 12 are arranged between the flowmeter flange half rings and the flowmeter retainer half rings;
the pipeline flange frame 2 consists of two symmetrical pipeline flange half frames, each pipeline flange half frame comprises a pipeline flange half ring, a pipeline fixing half ring and a plurality of lower connecting rods 22, the two pipeline flange half rings form a pipeline flange ring 21 through a connecting module 4, the two pipeline fixing half rings form a pipeline fixing ring 23 through the connecting module 4, and the lower connecting rods 22 are arranged between the pipeline flange ring 21 and the pipeline fixing ring 23;
the disassembly module 3 is positioned between the flowmeter flange ring 11 and the pipe flange ring 21.
The inner wall of the flowmeter flange ring 11 is provided with a groove matched with the flowmeter flange, and the inner wall of the pipeline flange ring 21 is provided with a groove matched with the conveying pipeline flange.
11 lateral surfaces of flowmeter flange ring are equipped with first annular platform, the thickness of first annular platform is less than flowmeter flange ring 11, the top surface and the 11 top surface parallel and level of flowmeter flange ring of first annular platform, pipeline flange ring 21 lateral surface are equipped with second annular platform, the thickness of second annular platform is less than pipeline flange ring 21, the bottom surface of second annular platform and pipeline flange ring 21's bottom surface parallel and level.
The second annular platform is equipped with a plurality of connecting screw hole 211, it includes nut and bolt to dismantle module 3, nut and bolt top fixed connection, the bolt is located between first annular platform and the second annular platform, just bolt bottom and connecting screw hole 211 threaded connection.
The connection module 4 includes a snap fastener 41 and an engagement portion 42, the snap fastener 41 is respectively disposed on one of the half rings of the flowmeter flange ring 11, the flowmeter retaining ring 13, the pipeline flange ring 21 and the pipeline retaining ring 23, the engagement portion 42 is respectively disposed on the other half ring of the flowmeter flange ring 11, the flowmeter retaining ring 13, the pipeline flange ring 21 and the pipeline retaining ring 23, the snap fastener 41 includes a bottom plate 411, a pulling plate 412 and a connection ring 413, one end of the pulling plate 412 is hinged to one end of the bottom plate 411, the connection ring 413 is hinged to one end of the pulling plate 412 close to the bottom plate 411, a torsion spring is disposed at the hinged position of the pulling plate 412 and the bottom plate 411, one end of the torsion spring abuts against the bottom plate 411, and the other end of the torsion spring is connected to the connection ring 413.
The engaging portion 42 is a hook adapted to the connection ring 413.
And rubber pads with grains are arranged on the inner walls of the flowmeter retaining ring 13 and the pipeline retaining ring 23.
The upper connecting rod 12 is detachably connected with the flowmeter retaining ring 13 and the flowmeter flange ring 11 through the connecting part 5, and the lower connecting rod 22 is detachably connected with the pipeline flange ring 21 and the pipeline retaining ring 23 through the connecting part 5.
The connecting part 5 comprises a sleeve and a leaf, the bottom end of the sleeve is hinged with the side face of the leaf, the leaf is provided with a through hole, the inner diameter of the sleeve is the same as the outer diameter of the upper connecting rod 12, and the inner diameter of the sleeve is the same as the outer diameter of the lower connecting rod 22;
the two ends of the upper connecting rod 12 are respectively connected with the sleeves, the sheet connected with the sleeves at the top ends of the upper connecting rod 12 penetrates through the through holes by screws to be fixed on the bottom surface of the flowmeter retaining half ring, the sheet connected with the sleeves at the bottom ends of the upper connecting rod 12 penetrates through the through holes by screws to be fixed on the top surface of the flowmeter flange half ring, the two ends of the lower connecting rod 22 are respectively connected with the sleeves, the sheet connected with the sleeves at the bottom ends of the lower connecting rod 22 penetrates through the through holes by screws to be fixed on the top surface of the pipeline retaining half ring, and the sheet connected with the sleeves at the top ends of the lower connecting rod 22 penetrates through the through holes by screws to be fixed on the bottom surface of the pipeline flange half ring.
A method for using a flow meter flange dismounting device, a method for mounting and using the flange dismounting device, comprises the following steps;
the flow meter flange and the conveying pipeline flange cannot be normally separated due to rusting of the fixing bolt, only the fixing nut can be taken down after the normal screwing down, the rusted fixing bolt is difficult to take out, although the fixing bolt is rusted and cannot be taken out, the flow meter flange and the conveying pipeline flange are not in a completely tight state but have a certain gap, firstly, the pulling plate 412 of the spring fastener 41 is pulled up, the connecting ring 413 is disconnected from the buckling part 42, the connecting modules 4 on the flow meter frame 1 are sequentially disconnected, and the flow meter frame 1 is separated into two flow meter half frames;
the two flowmeter half frames are sleeved on two sides of a flowmeter flange respectively, the inner wall groove of a flowmeter flange ring 11 is clamped on the flowmeter flange, a flowmeter retaining ring 13 is sleeved on a flowmeter pipeline, connecting modules 4 on a flowmeter frame 1 are buckled and locked in sequence, and the flowmeter frame 1 can be firmly installed on the flowmeter flange;
firstly, screwing a nut of the disassembling module 3 by using a wrench, enabling a bolt of the disassembling module 3 to move to be close to the second annular platform, sequentially unfastening the connecting modules 4 on the pipeline flange frame 2, and enabling the pipeline flange frame 2 to be separated into two pipeline flange half frames;
sleeving two pipeline flange semi-frames from two sides of a conveying pipeline flange respectively, clamping an inner wall groove of a pipeline flange ring 21 on the pipeline flange, sleeving a pipeline retaining ring 23 on the conveying pipeline, and sequentially buckling and locking connecting modules 4 on a pipeline flange frame 2 to firmly install the pipeline flange frame 2 on the conveying pipeline, wherein bolts are positioned between a first annular platform and a second annular platform after installation is finished;
the first annular platform of flowmeter flange ring 11 and the second annular platform of pipeline flange ring 21 form a space that is used for dismantling the module 3 activity, use the spanner to twist and move the nut of dismantling module 3, make the first annular platform of bolt top surface conflict of dismantling module 3 and with the effort in flowmeter flange and pipeline flange, make flowmeter flange and pipeline flange separate to this reaches and does not move the fire operation and will separate the flowmeter flange, takes out rusty fixing bolt.
Further still;
when the device uses, because it is conflict flowmeter frame 1 and pipeline flange frame 2 to dismantle module 3, so flowmeter retainer ring 13 and pipeline retainer ring 23 can receive a backward power, in order to make device overall structure more firm, also make the better atress of device ability, all be equipped with the rubber pad of taking the line at flowmeter retainer ring 13 and pipeline retainer ring 23's inner wall, the rubber pad of taking the line can be better provides frictional force, make flowmeter retainer ring 13 and pipeline retainer ring 23 can stabilize place in on the pipeline, give flowmeter flange ring 11 and pipeline flange ring 21 bearing power through last connecting rod 12 and lower connecting rod 22 respectively.
The two ends of the upper connecting rod 12 and the lower connecting rod 22 are detachably connected through the connecting part 5, the inner diameter of the sleeve is the same as the outer diameter of the upper connecting rod 12 and the lower connecting rod 22, the connecting part 5 can be used for conveniently replacing flange rings or retaining rings with other specifications so as to be suitable for various pipe diameter specifications, for example, when the sizes of the pipeline of the flowmeter flange and the inner diameter of the currently used flowmeter retaining ring 13 are different, the upper connecting rod 12 and the flowmeter retaining ring 13 can be disconnected through the connecting part 5, the flowmeter retaining ring 13 can be taken down from the flowmeter frame 1, the flowmeter retaining ring 13 with the specification consistent with the flowmeter flange pipeline is selected, and the connecting part 5 on the flowmeter retaining ring 13 is connected and fixed with the upper connecting rod 12 again;
set up a fixed through hole on connecting portion 5, set up a bolt through-hole with fixed through hole looks adaptation at the both ends of upper connecting rod 12 and lower connecting rod 22, utilize the bolt to wear fixed through-hole and bolt through-hole to this reaches detachable and is connected between connecting portion 5 and the connecting rod, also makes the structure can be more firm when connecting.
The number of the plurality of upper connecting rods 12 is at least six or six and more, and the number of the plurality of lower connecting rods 22 is at least six or six and more.
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. A flowmeter flange dismounting device is characterized by comprising a dismounting module (3) for dismounting rusted fixing bolts, a flowmeter frame (1) installed on a flowmeter flange and a pipeline flange frame (2) installed on a conveying pipeline flange;
the flowmeter frame (1) consists of two symmetrical flowmeter half frames, each flowmeter half frame comprises a flowmeter flange half ring, a flowmeter retaining half ring and a plurality of upper connecting rods (12), the two flowmeter flange half rings form a flowmeter flange ring (11) through a connecting module (4), the two flowmeter retaining ring half rings form a flowmeter retaining ring (13) through the connecting module (4), and the upper connecting rods (12) are arranged between the flowmeter flange half rings and the flowmeter retaining half rings;
the pipeline flange frame (2) consists of two symmetrical pipeline flange half frames, each pipeline flange half frame comprises a pipeline flange half ring, a pipeline fixing half ring and a plurality of lower connecting rods (22), the two pipeline flange half rings form a pipeline flange ring (21) through connecting modules (4), the two pipeline fixing half rings form a pipeline fixing ring (23) through connecting modules (4), and the lower connecting rods (22) are arranged between the pipeline flange ring (21) and the pipeline fixing ring (23);
the disassembly module (3) is arranged between the flowmeter flange ring (11) and the pipeline flange ring (21).
2. A flowmeter flange dismounting device according to claim 1, characterized in that the inner wall of said flowmeter flange ring (11) is provided with a groove adapted to the flowmeter flange, and the inner wall of said pipe flange ring (21) is provided with a groove adapted to the conveying pipe flange.
3. The flowmeter flange dismounting device according to claim 2, wherein a first annular platform is arranged on the outer side surface of the flowmeter flange ring (11), the thickness of the first annular platform is smaller than that of the flowmeter flange ring (11), the top surface of the first annular platform is flush with the top surface of the flowmeter flange ring (11), a second annular platform is arranged on the outer side surface of the pipeline flange ring (21), the thickness of the second annular platform is smaller than that of the pipeline flange ring (21), and the bottom surface of the second annular platform is flush with the bottom surface of the pipeline flange ring (21).
4. A flowmeter flange dismounting device according to claim 3, wherein said second annular platform is provided with a plurality of coupling threaded holes (211), said dismounting module (3) comprises a nut and a bolt, said nut is fixedly connected with the top of the bolt, said bolt is located between the first annular platform and the second annular platform, and the bottom of the bolt is in threaded connection with the coupling threaded holes (211).
5. The flowmeter flange dismounting device according to claim 1, wherein the connection module (4) comprises snap fasteners (41) and fastening portions (42), the snap fasteners (41) are respectively disposed on one half ring of the flowmeter flange ring (11), the flowmeter retaining ring (13), the pipeline flange ring (21) and the pipeline retaining ring (23), the fastening portions (42) are respectively disposed on the other half ring of the flowmeter flange ring (11), the flowmeter retaining ring (13), the pipeline flange ring (21) and the pipeline retaining ring (23), the snap fasteners (41) comprise a bottom plate (411), a pulling plate (412) and a connection ring (413), one end of the pulling plate (412) is hinged to one end of the bottom plate (411), the connection ring (413) is hinged to one end of the pulling plate (412) close to the bottom plate (411), and a torsion spring is disposed at the hinged position of the pulling plate (412) and the bottom plate (411), one end of the torsion spring is propped against the bottom plate (411), and the other end of the torsion spring is connected with the connecting ring (413).
6. A flowmeter flange dismounting device according to claim 5, characterized in that said snap-fit portion (42) is a hook adapted to the connection ring (413).
7. The flowmeter flange dismounting device as claimed in claim 1, wherein the inner walls of the flowmeter retaining ring (13) and the pipeline retaining ring (23) are provided with rubber pads with grains.
8. A flowmeter flange dismounting device according to claim 1, characterized in that said upper connecting rod (12) is detachably connected to the flowmeter retaining ring (13) and the flowmeter flange ring (11) respectively through the connecting portion (5), and said lower connecting rod (22) is detachably connected to the pipe flange ring (21) and the pipe retaining ring (23) respectively through the connecting portion (5).
9. A flowmeter flange dismounting device according to claim 8, characterized in that the connecting part (5) comprises a sleeve and a leaf, the bottom end of the sleeve is hinged with the side of the leaf, the leaf is provided with a through hole, the inner diameter of the sleeve is the same as the outer diameter of the upper connecting rod (12), and the inner diameter of the sleeve is the same as the outer diameter of the lower connecting rod (22);
the two ends of the upper connecting rod (12) are respectively connected with the sleeves, the blades connected with the sleeves at the top ends of the upper connecting rod (12) penetrate through holes by screws to be fixed on the bottom surface of the flowmeter retention semi-ring, the blades connected with the sleeves at the bottom ends of the upper connecting rod (12) penetrate through holes by screws to be fixed on the top surface of the flowmeter flange semi-ring, the two ends of the lower connecting rod (22) are respectively connected with the sleeves, the blades connected with the sleeves at the bottom ends of the lower connecting rod (22) penetrate through holes by screws to be fixed on the top surface of the pipeline retention semi-ring, and the blades connected with the sleeves at the top ends of the lower connecting rod (22) penetrate through holes by screws to be fixed on the bottom surface of the pipeline flange semi-ring.
10. The use method of the flowmeter flange dismounting device is characterized in that the method for mounting and using the flange dismounting device comprises the following steps;
sequentially unfastening the connecting modules (4) on the flowmeter frame (1) to separate the flowmeter frame (1) into two flowmeter half frames;
the two flowmeter half frames are respectively sleeved on two sides of a flowmeter flange, a groove on the inner wall of a flowmeter flange ring (11) is clamped on the flowmeter flange, a flowmeter retaining ring (13) is sleeved on a flowmeter pipeline, and a connecting module (4) on the flowmeter frame (1) is sequentially buckled and locked;
screwing a nut of the disassembling module (3) to enable a bolt of the disassembling module (3) to move to be close to the second annular platform, sequentially unfastening the connecting modules (4) on the pipeline flange frame (2) and enabling the pipeline flange frame (2) to be separated into two pipeline flange half frames;
sleeving two pipeline flange semi-frames from two sides of a conveying pipeline flange respectively, clamping an inner wall groove of a pipeline flange ring (21) on the pipeline flange, sleeving a pipeline retaining ring (23) on the conveying pipeline, and sequentially buckling and locking connecting modules (4) on the pipeline flange frame (2), wherein the device is installed, and bolts are positioned between a first annular platform and a second annular platform;
and screwing a nut of the disassembling module (3), wherein the top surface of a bolt of the disassembling module (3) is in contact with the first annular platform of the flow rate and applies force to the flowmeter flange and the pipeline flange, so that the flowmeter flange and the pipeline flange are separated.
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| CN202210018535.6A CN114526386A (en) | 2022-01-07 | 2022-01-07 | Flowmeter flange dismounting device and using method |
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