阅读说明：本技术 一种klld型卡箍连接式电磁流量计 (KLLD type clamp connection type electromagnetic flowmeter ) 是由 赵雷 于 2021-07-30 设计创作，主要内容包括：本发明涉及一种KLLD型卡箍连接式电磁流量计,包括流量计管体、连接法兰、活接头、定位卡箍、调节螺杆,流量计管体两端管壁上均设与流量计管体同轴分布的连接槽,活接头对称分布在流量计管体两侧,其后端面嵌于连接槽内并滑动连接,连接法兰分别包覆在流量计管体两端外表面及活接头外表面,其中活接头外表面与两各连接法兰连接,活接头后端面位置的连接法兰通过至少两条调节螺杆与流量计管体的连接法兰连接,定位卡箍包覆在活接头前端面外,并与活接头前端面。本发明可有效实现电磁流量计快速安装定位及拆除维护作业的需要,同时可有效的消除管道震动、伸缩形变等造成的电磁流量计与管道间连接机构受损情况发生。(The invention relates to a KLLD clamp connection type electromagnetic flowmeter, which comprises a flowmeter body, connecting flanges, movable joints, a positioning clamp and adjusting screws, wherein connecting grooves which are coaxial with the flowmeter body are formed in the pipe walls of the two ends of the flowmeter body, the movable joints are symmetrically distributed on the two sides of the flowmeter body, the rear end faces of the movable joints are embedded in the connecting grooves and are in sliding connection, the connecting flanges are respectively coated on the outer surfaces of the two ends of the flowmeter body and the outer surface of the movable joints, the outer surface of each movable joint is connected with the two connecting flanges, the connecting flange on the rear end face of each movable joint is connected with the connecting flange of the flowmeter body through at least two adjusting screws, and the positioning clamp is coated outside the front end face of each movable joint and is connected with the front end face of each movable joint. The invention can effectively meet the requirements of quick installation, positioning, disassembly and maintenance of the electromagnetic flowmeter, and can effectively eliminate the damage of the connecting mechanism between the electromagnetic flowmeter and the pipeline caused by pipeline vibration, telescopic deformation and the like.)

1. The utility model provides a KLLD type clamp connection formula electromagnetic flowmeter which characterized in that: the KLLD clamp connection type electromagnetic flowmeter comprises a flowmeter body, connecting flanges, movable joints, a positioning clamp and an adjusting screw rod, wherein the flowmeter body is of a cylindrical hollow tubular structure, connecting grooves which are coaxially distributed with the flowmeter body are formed in the pipe walls of two ends of the flowmeter body, the depth of each connecting groove is not more than 20% of the length of the flowmeter body, the movable joints are symmetrically distributed on two sides of the flowmeter body, the movable joints are of hollow tubular structures which are coaxially distributed with the flowmeter body, the rear end faces of the movable joints are embedded in the connecting grooves and are in sliding connection with the side walls of the connecting grooves, a plurality of connecting flanges are respectively coated on the outer surfaces of the two ends of the flowmeter body and the outer surfaces of the movable joints and are respectively coaxially distributed with the flowmeter body and the movable joints, the outer surfaces of the movable joints are connected with the two connecting flanges, and the two connecting flanges connected with the movable joints are distributed from front to back along the axial direction of the movable joints, and sliding connection between flange and union lateral surface to through locating pin and union surface connection, the terminal surface surpasss the terminal surface at least 50 millimeters before being located its preceding terminal surface position flange before the union, and the flange of union rear end face position is connected with the flange of flowmeter body through two at least adjusting screw, just adjusting screw and flowmeter body axis parallel distribution to surround flowmeter body axis equipartition, the location clamp cladding is outside the union front end face, and with the preceding terminal surface of union.

2. A KLLD-type yoke-connected electromagnetic flowmeter as set forth in claim 1, wherein: the movable joint is connected with the connecting flange through sliding chutes in a sliding mode, the sliding chutes are at least two, the movable joint is uniformly distributed around the axis of the movable joint and are distributed in parallel with the axis of the movable joint, the sliding chutes are connected with the connecting flange in a sliding mode through sliding blocks, at least one positioning pin is arranged on each sliding block, a plurality of positioning pin holes uniformly distributed along the axis direction of each sliding chute are formed in the bottom of each sliding chute corresponding to the positioning pins, the positioning pins are connected with the positioning pin holes, a connecting spring coaxially distributed with the sliding chutes is additionally arranged in each sliding chute, the connecting spring is located between the sliding blocks connected with the two connecting flanges, and the two ends of the connecting spring are respectively and vertically connected with the side surfaces of the sliding blocks.

3. A KLLD-type yoke-connected electromagnetic flowmeter as set forth in claim 1, wherein: the connecting groove in be equipped with belleville spring, belleville spring and the coaxial distribution of connecting groove offset with connecting groove tank bottom and union rear end face, just the sealing strip is established to the connecting groove side surface to through sealing strip and union side surface sliding connection.

4. A KLLD-type yoke-connected electromagnetic flowmeter as set forth in claim 1, wherein: the outer surface of the movable joint, which exceeds the outer side of the connecting flange, is provided with at least two sealing grooves, the cross sections of the sealing grooves are in an isosceles triangle structure, the sealing grooves are uniformly distributed from front to back along the axial direction of the movable joint, and the distance between every two adjacent sealing grooves is 3-15 mm.

5. A KLLD-type yoke-connected electromagnetic flowmeter as set forth in claim 1, wherein: and an adjusting spring is arranged outside the adjusting screw rod, the adjusting spring is coated outside the adjusting screw rod and is coaxially distributed with the adjusting screw rod, and two ends of the adjusting spring are respectively abutted against a connecting flange on the front end surface of the flowmeter body and a connecting flange on the rear end surface of the movable joint.

6. A KLLD-type yoke-connected electromagnetic flowmeter as set forth in claim 1, wherein: the flange of location clamp and loose joint preceding terminal surface position between through two at least connecting spring interconnect, and connecting spring encircles flange axis equipartition, connect the clamp including connecting base, sealed base, fender ring, keep off the closed loop configuration that the ring is with the coaxial distribution of loose joint, the cladding passes through threaded connection outside the loose joint front end and with the loose joint surface, connect the base and be the column structure of "Contraband" font for axial cross-section, the cladding is outside the loose joint and connect the base internal diameter for keeping off 3 at least times of ring external diameter, length is the loose joint preceding terminal surface and is connected 1.1 times of interval between the flange, sealed base is with the closed loop configuration that is connected the coaxial distribution of base, the cladding is outside the loose joint and lie in and keep off the ring and be connected the position between the base bottom.

7. A KLLD-type yoke-connected electromagnetic flowmeter as set forth in claim 6, wherein: the sealing base rear end face and the bottom of the connecting base are connected through a disc spring, the front end face is provided with a limiting groove which is coaxially distributed with the sealing base, the limiting groove is coated outside the baffle ring, and the front end face of the sealing base exceeds the front end face of the baffle ring by at least 5 mm.

Technical Field

The invention relates to a KLLD clamp connection type electromagnetic flowmeter, belonging to the technical field of flowmeters and sensors.

Background

The existing electromagnetic flowmeter is important equipment for fluid flow detection operation, the usage amount is large, but in actual use, the existing electromagnetic flowmeter equipment usually adopts a traditional structure, although the usage requirement can be met, the defects of difficult equipment installation and positioning operation and poor installation and positioning precision exist in use, the installation and positioning are easily influenced by an actual working position and a pipeline structure, and the usage flexibility is relatively insufficient; on the other hand, when the current electromagnetic flowmeter device operates synchronously with a pipeline, the pipeline is easy to vibrate, stretch and deform due to the pressure, temperature and other factors during the operation of the pipeline, and the connection structure, the sealing structure and other structures of the electromagnetic flowmeter are easy to damage due to the deformation and vibration of the pipeline device during the operation of the current electromagnetic flowmeter, so that the operation fault of the electromagnetic flowmeter device is caused, and the stability and the reliability of the operation of the electromagnetic flowmeter device are seriously influenced.

Therefore, in order to solve the problem, a completely new electromagnetic flowmeter structure is urgently needed to be developed to meet the requirement of practical use.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a KLLD clamp connection type electromagnetic flowmeter and a using method thereof.

A KLLD clamp connection type electromagnetic flowmeter comprises a flowmeter body, connecting flanges, movable joints, a positioning clamp and an adjusting screw rod, wherein the flowmeter body is a cylindrical hollow tubular structure, connecting grooves which are coaxially distributed with the flowmeter body are respectively arranged on the pipe walls at the two ends of the flowmeter body, the depth of each connecting groove is not more than 20 percent of the length of the flowmeter body, the movable joints are symmetrically distributed at the two sides of the flowmeter body, the movable joints are hollow tubular structures which are coaxially distributed with the flowmeter body, the rear end surfaces of the movable joints are embedded in the connecting grooves and are in sliding connection with the side walls of the connecting grooves, a plurality of connecting flanges are respectively coated on the outer surfaces of the two ends of the flowmeter body and the outer surfaces of the movable joints and are respectively coaxially distributed with the flowmeter body and the movable joints, the outer surfaces of the movable joints are connected with the two connecting flanges, and the two connecting flanges connected with the movable joints are distributed from front to back along the axial direction of the movable joints, the movable joint is characterized in that the connecting flange is connected with the outer side face of the movable joint in a sliding mode and is connected with the outer surface of the movable joint through the positioning pin, the front end face of the movable joint exceeds the front end face of the connecting flange at the position of the front end face of the movable joint by at least 50 mm, the connecting flange at the position of the rear end face of the movable joint is connected with the connecting flange of the flowmeter body through at least two adjusting screw rods, the adjusting screw rods are distributed in parallel with the axis of the flowmeter body and are uniformly distributed around the axis of the flowmeter body, and the positioning hoops are coated outside the front end face of the movable joint and are connected with the front end face of the movable joint.

Further, the movable joint and the connecting flange are connected through sliding chutes in a sliding mode, the sliding chutes are at least two and are distributed in parallel with the axis of the movable joint in a surrounding mode, the sliding chutes are connected with the connecting flange in a sliding mode through sliding blocks, at least one positioning pin is arranged on each sliding block, a plurality of positioning pin holes are formed in the bottoms of the sliding chutes corresponding to the positioning pins and are distributed uniformly along the axis direction of the sliding chutes, the positioning pins are connected with the positioning pin holes, a connecting spring is additionally arranged in each sliding chute and is distributed coaxially with the sliding chutes, the connecting spring is located between the sliding blocks connected with the two connecting flanges, and two ends of the connecting spring are respectively connected with the side surfaces of the sliding blocks in a perpendicular mode.

Furthermore, the spread groove in establish belleville spring, belleville spring and spread groove coaxial distribution and with spread groove tank bottom and union rear end face offset, just the sealing strip is established to the spread groove side surface to through sealing strip and union side surface sliding connection.

Furthermore, at least two sealing grooves are formed in the outer surface of the movable joint, which exceeds the outer side of the connecting flange, the cross sections of the sealing grooves are in an isosceles triangle structure, the sealing grooves are uniformly distributed from front to back along the axial direction of the movable joint, and the distance between every two adjacent sealing grooves is 3-15 mm.

Furthermore, an adjusting spring is arranged outside the adjusting screw rod, the adjusting spring is wrapped outside the adjusting screw rod and is coaxially distributed with the adjusting screw rod, and two ends of the adjusting spring are respectively abutted against a connecting flange on the front end face of the flowmeter body and a connecting flange on the rear end face of the movable joint.

Further, location clamp and loose joint preceding terminal surface position's flange between through two at least connecting spring interconnect, and connecting spring encircles the flange axis equipartition, the connection clamp is including connecting base, sealing base, fender ring, keep off the ring be with the coaxial closed loop configuration who distributes of loose joint, the cladding passes through threaded connection outside the loose joint front end and with the loose joint surface, the connection base is the column structure that axial cross-section is "Contraband" font, the cladding is outside the loose joint and connect the base internal diameter for keeping off 3 at least times of ring external diameter, length is at least 1.1 times of interval between loose joint front end and the flange, sealing base is for with the coaxial closed loop configuration's of connection base, the cladding is located outside the loose joint and keeps off the ring and is connected the position between the base bottom.

Furthermore, sealing base rear end face and connection base bottom between be connected through belleville spring, preceding terminal surface establish with sealing base coaxial distribution's spacing groove to through the spacing groove cladding outside keeping off the ring, sealing base preceding terminal surface surpasss and keeps off ring preceding terminal surface 5 millimeters at least.

The device has the advantages of simple structure, flexible and convenient use and good universality, can effectively meet the requirements of quick installation, positioning, disassembly and maintenance of the electromagnetic flowmeter, has certain environmental adaptability, and can effectively eliminate the damage of the connecting mechanism between the electromagnetic flowmeter and the pipeline caused by pipeline vibration, telescopic deformation and the like, thereby greatly improving the stability, reliability and universality of the operation of the electromagnetic flowmeter.

Drawings

The invention is described in detail below with reference to the drawings and the detailed description;

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic view of a connecting structure of a chute and a connecting flange;

fig. 3 is a schematic view of a positioning clamp.

Detailed Description

In order to facilitate the implementation of the technical means, creation features, achievement of the purpose and the efficacy of the invention, the invention is further described below with reference to specific embodiments.

As shown in fig. 1-3, a KLLD type clamp connection type electromagnetic flowmeter comprises a flowmeter body 1, connecting flanges 2, movable joints 3, a positioning clamp 4, and an adjusting screw 5, wherein the flowmeter body 1 is a cylindrical hollow tubular structure, the pipe walls at both ends are provided with connecting grooves 6 coaxially distributed with the flowmeter body 1, the depth of the connecting grooves 6 is not more than 20% of the length of the flowmeter body 1, the movable joints 3 are symmetrically distributed at both sides of the flowmeter body 1, the movable joints 3 are hollow tubular structures coaxially distributed with the flowmeter body 1, the rear end faces thereof are embedded in the connecting grooves 6 and are slidably connected with the side walls of the connecting grooves 6, a plurality of connecting flanges 2 are respectively coated on the outer surfaces at both ends of the flowmeter body 1 and the outer surfaces of the movable joints 3 and are respectively coaxially distributed with the flowmeter body 1 and the movable joints 3, wherein the outer surfaces of the movable joints 3 are connected with the two connecting flanges 2, and two flange 2 that movable joint 3 connects distribute from the front to the back along the 3 axis directions of movable joint, and flange 2 and 3 lateral surfaces of movable joint between sliding connection, and through locating pin 7 and 3 outer surface connections of movable joint, the terminal surface surpasss the terminal surface at least 50 millimeters before the flange 2 of terminal surface position before being located it before the movable joint 3, flange 2 of the terminal surface position of movable joint 3 rear end is connected with flange 2 of flowmeter body 1 through at least two adjusting screw 5, adjusting screw 5 and flowmeter body 1 axis parallel distribution, and encircle flowmeter body 1 axis equipartition, location clamp 4 cladding is outside the 3 front end surfaces of movable joint, and with the preceding terminal surface of movable joint.

It needs to be particularly explained that, the movable joint 3 and the connecting flange 2 are connected in a sliding manner through a sliding chute 8, at least two sliding chutes 8 are uniformly distributed around the axis of the movable joint 3 and are distributed in parallel with the axis of the movable joint 3, the sliding chute 8 is connected with the connecting flange 2 in a sliding manner through a sliding block 9, at least one positioning pin 7 is arranged on the sliding block 9, a plurality of positioning pin holes 10 are uniformly distributed along the axis direction of the sliding chute 8 at the bottom of the sliding chute 8 corresponding to the positioning pin 7, the positioning pin 7 is connected with the positioning pin holes 10, a connecting spring 11 coaxially distributed with the sliding chute 8 is arranged in the sliding chute 8, the connecting spring 11 is positioned between the sliding blocks 9 connected with the two connecting flanges 2, and two ends of the connecting spring are respectively connected with the side surfaces of the sliding block 9 in a perpendicular manner.

In this embodiment, the connecting groove 6 in be equipped with belleville spring 12, belleville spring 12 and connecting groove 6 coaxial distribution and with connecting groove 6 tank bottom and the offset of union 3 rear end face, just sealing strip 13 is established to the connecting groove 6 side surface to through sealing strip 13 and union 3 side surface sliding connection.

In this embodiment, at least two sealing grooves 14 are formed in the outer surface of the movable joint 3, which exceeds the outer side of the connecting flange 2, the cross sections of the sealing grooves 14 are in an isosceles triangle structure, the sealing grooves 14 are uniformly distributed from front to back along the axial direction of the movable joint 3, and the distance between every two adjacent sealing grooves 14 is 3-15 mm.

Preferably, at least one sealing ring 15 which is coaxially distributed with the sealing groove 14 is arranged in each sealing groove 14, and the height of each sealing ring 15 is 0-5 mm lower than the outer side surface of each movable joint 6.

In addition, an adjusting spring 16 is arranged outside the adjusting screw 5, the adjusting spring 16 is wrapped outside the adjusting screw 5 and is coaxially distributed with the adjusting screw 5, and two ends of the adjusting spring 16 are respectively abutted against the connecting flange 2 on the front end face of the flowmeter body 1 and the connecting flange 2 on the rear end face of the movable joint 3.

It is important to explain that the positioning clamp 4 and the connecting flange 2 at the front end face of the movable joint 3 are connected with each other through at least two connecting springs 10, and the connecting springs 10 are uniformly distributed around the axis of the connecting flange 2, the connecting hoop 4 comprises a connecting base 41, a sealing base 42 and a baffle ring 43, the baffle ring 43 is a closed annular structure which is coaxially distributed with the movable joint 3, is coated outside the front end surface of the movable joint 3 and is connected with the outer surface of the movable joint 3 through threads, the connecting base 41 is a columnar structure with an axial section in the shape of Contraband, covers the movable joint 3, has the inner diameter of the connecting base 41 being at least 3 times of the outer diameter of the baffle ring 43 and the length being at least 1.1 times of the distance between the front end face of the movable joint 3 and the connecting flange 2, the sealing base 42 is a closed ring structure coaxially distributed with the connecting base 41, and is wrapped outside the movable joint 3 and located between the baffle ring 43 and the bottom of the connecting base 41.

In this embodiment, the rear end surface of the sealing base 42 is connected to the bottom of the connecting base 41 through the disc spring 12, the front end surface is provided with the limiting groove 16 coaxially distributed with the sealing base 42 and is covered outside the baffle ring 43 through the limiting groove 16, and the front end surface of the sealing base 42 exceeds the front end surface of the baffle ring 43 by at least 5 mm.

In this embodiment, establish a plurality of positioning electromagnet 17 that encircle connecting groove 6 axis equipartition in connecting groove 6 bottom, connect in parallel each other between positioning electromagnet 17, and connecting terminal 18 is established to the connecting groove 6 lateral surface that positioning electromagnet 17 corresponds.

In the specific implementation of the invention, the flowmeter pipe body and the electromagnetic flowmeter system which form the invention are firstly assembled, and then the flowmeter pipe body is respectively connected with the connecting flange, the movable joint, the positioning clamp and the adjusting screw rod, so that the assembly of the invention is completed.

Then, two ends of the assembled electromagnetic flowmeter are respectively connected with a material conveying pipeline through a positioning clamp of a movable joint, so that the positioning clamp covers the material conveying pipeline, and the end surface of the conveying pipeline is abutted against a sealing base in the positioning clamp to complete the operation of sealing the end surface of the conveying pipeline.

And thirdly, adjusting the position of a connecting flange on the outer surface of the movable joint through the sliding groove, then connecting and positioning the connecting flange on the front section of the movable joint and the flange of the material conveying pipeline, connecting the connecting flange on the rear end surface of the movable joint with the connecting flange on the front end surface of the flowmeter pipe body through an adjusting screw rod, adjusting the position of the rear end surface of the movable joint in a connecting groove through the adjusting screw rod, and realizing the connection and sealing between the movable joint and the flowmeter pipe body, thereby completing the connection and positioning of the electromagnetic flowmeter.

Finally, when the electromagnetic flowmeter of the invention is operated and the pipeline is vibrated and is deformed by telescopic displacement, on one hand, the rear end surface of the movable joint is relatively displaced in the connecting groove to absorb the vibration and the telescopic displacement of the pipeline, thereby improving the stability of the installation and the operation of the electromagnetic flowmeter of the invention; on the other hand, when the movable joint is subjected to telescopic displacement along the connecting groove, deformation acting force is elastically absorbed through a disc spring and a positioning electromagnet in the connecting groove, an adjusting spring outside an adjusting screw rod and a connecting spring between a positioning hoop and a connecting flange at the position of the front end face of the movable joint, pipeline telescopic and vibration acting force is reduced, and after pipeline vibration and telescopic acting force disappears, the electromagnetic flow sensor is reset and stress action is eliminated under the driving of elastic driving acting force, so that the stability and reliability of the operation of the electromagnetic flow meter are improved.

The device has the advantages of simple structure, flexible and convenient use and good universality, can effectively meet the requirements of quick installation, positioning, disassembly and maintenance of the electromagnetic flowmeter, has certain environmental adaptability, and can effectively eliminate the damage of the connecting mechanism between the electromagnetic flowmeter and the pipeline caused by pipeline vibration, telescopic deformation and the like, thereby greatly improving the stability, reliability and universality of the operation of the electromagnetic flowmeter.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.