CN209927223U

CN209927223U - Positioning tool for measuring tube and flange plate of electromagnetic flowmeter

Info

Publication number: CN209927223U
Application number: CN201920767700.1U
Authority: CN
Inventors: 吕剑
Original assignee: Nanjing Metron Measurement And Control Instrument Co Ltd
Current assignee: Nanjing Metron Measurement And Control Instrument Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-10
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a positioning tool for measuring tube and flange of electromagnetic flowmeter, which is applied in the field of positioning tool of electromagnetic flowmeter, and solves the technical problem that the measuring tube and flange can not be positioned quickly; the technical effect who has is through the frock come to fix a position the ring flange to reduce the ring flange and survey the location time of buret, accelerate production rate.

Description

Positioning tool for measuring tube and flange plate of electromagnetic flowmeter

Technical Field

The utility model relates to an electromagnetic flowmeter's location frock field, more specifically says that it relates to a location frock of electromagnetic flowmeter survey buret and flange dish.

Background

Electromagnetic flow is a new type of flow meter that has rapidly developed with the development of electronic technology. The electromagnetic flowmeter measures the flow of conducting fluid based on the electromotive force induced when the conducting fluid passes through external magnetic field by means of electromagnetic induction principle.

As shown in FIG. 5, an electromagnetic flowmeter comprises a measuring pipe 52, flanges 53 welded to both sides of the measuring pipe, and a display member 51 connected to the outer wall of the measuring pipe, wherein pipes are disposed on both sides of the flanges 53, and connecting plates connected to the flanges are disposed on the pipes and connected to the flanges through screws.

Because the same screw rod needs to penetrate through the two flange plates and the two connecting plates at the same time, holes in the two flange plates need to correspond one to one, but when the screw rod is welded, the two screw rods are separately welded, so that errors exist in the holes in the flange plates when the second flange plate is welded; the prior art can also punch through welding earlier, but leads to the ring flange to need expend time when ruling like this to be unfavorable for fast production, consequently the urgent need design has a locating hole frock that is used for location survey buret and ring flange.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a location frock of electromagnetic flowmeter survey buret and ring flange, its advantage comes to fix a position the ring flange through the frock to reduce the ring flange and survey the positioning time of buret, accelerate production rate.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a location frock of electromagnetic flowmeter survey buret and flange dish, includes the bottom plate, connects two positioning flange on the bottom plate along the direction of perpendicular to bottom plate, two the coaxial setting of positioning flange, a plurality of locating holes of equal circumference equipartition, two on the flange the coaxial setting of locating hole, be equipped with the setting element that is used for the location flange dish on the flange.

Through the technical scheme, the connecting holes are formed in the flange plate, the positioning piece is used for enabling the connecting holes in the flange plate to coincide with the positioning holes in the positioning flanges, and the positioning holes in the two positioning flanges are coaxial, and the connecting holes in the flange plate coincide with the positioning holes, so that the connecting holes in the two flange plates are indirectly guaranteed to be coaxial, and the screw rod can be conveniently penetrated and shot at the same time. The flange plate is fixed on the positioning flange after the positioning piece positions the flange plate, so that the flange plate is prevented from changing positions. The measuring pipe penetrates through the positioning flange and the flange plate from the middle, and then the measuring pipe is welded on the flange plate in a spot mode, so that full welding is carried out after the measuring pipe and the flange plate are accurate in position. Above-mentioned operation need not artifical marking off, only need with the ring flange install the flange on can to can practice thrift a large amount of time, improve production efficiency.

The utility model discloses further set up to: the bottom plate is provided with a sliding rail in the length direction, the sliding rail is connected with a sliding block in a sliding mode, the outer side face of the positioning flange is connected with the sliding block, and the sliding block is provided with a locking device used for locking the sliding block.

Through above-mentioned technical scheme, because survey buret and have different length, the location flange slides on the connection slide rail to be convenient for adjust the interval between two location flanges, so that the survey buret of better adaptation different length.

The utility model discloses further set up to: the locking device comprises a fixing plate fixed on the sliding rail and a lead screw in threaded connection with the fixing plate along the length direction of the sliding rail, and the lead screw is rotatably connected to the sliding block.

Through above-mentioned technical scheme, rotate the lead screw, the lead screw slides on the fixed plate, and the lead screw rotates to be connected at the slider and does not have axial displacement with the slider to support pole and slider synchronous rotation. The positioning flange is fixed on the sliding block, so that the positioning flange moves synchronously. Because only the screw rod is rotated, the positioning flange can move, and the positioning flange is locked.

The utility model discloses further set up to: the positioning flange is detachably connected to the sliding block.

Through the technical scheme, the positioning flange is detachably connected to the sliding block, so that the positioning flanges with different sizes can be conveniently replaced.

The utility model discloses further set up to: and one of the positioning flanges is provided with a boss coaxial with the positioning flange, and the boss is in threaded connection with the positioning flange.

Through above-mentioned technical scheme, the boss plays the effect of location to surveying the pipe, when surveying the pipe and conflicting the boss, survey the pipe this moment and can not remove. Thereby guaranteeing that both ends of the measuring pipe can not exceed the flange plate and guaranteeing the position relation between the measuring pipe and the flange plate.

The utility model discloses further set up to: the setting element includes the arc, along a plurality of reference columns of direction fixed connection on the arc of perpendicular to arc, the reference column with the locating hole cooperation, the reference column passes flange and flange dish and be equipped with curved cardboard, keep away from on the reference column the one end of arc all is equipped with the annular, the cardboard joint is in the annular.

Through above-mentioned technical scheme, the reference column has a plurality ofly and the reference column passes locating hole and flange dish, and the cardboard can connect on the reference column to with the ring flange centre gripping between flange and cardboard, thereby play the effect of location and the effect of locking to the ring flange.

The utility model discloses further set up to: the locating piece comprises a screw rod and a nut in threaded connection with the screw rod, and the bolt is matched with the locating hole.

Through the technical scheme, the positioning pieces are multiple, when the screw rod penetrates through the flange plate and the positioning holes, the connection holes in the flange plate are enabled to be coincided with the positioning holes, the positioning effect is achieved, the nut is matched with the screw rod, the flange plate is locked on the positioning flange, and the locking effect on the flange plate is achieved.

The utility model discloses further set up to: the locating piece comprises a T-shaped bolt and a limiting rod arranged along the radial direction of the locating flange, the limiting rod is inserted into the locating flange, and a limiting hole matched with the limiting rod is formed in the bolt along the radial direction of the bolt.

Through the technical scheme, the bolt is simultaneously inserted into the positioning flange and the flange plate, so that the positioning function is achieved. The gag lever post sets up along positioning flange's radial direction, and the bolt is pegged graft in the locating hole along positioning flange's axial direction, and the gag lever post is pegged graft on the bolt for bolt and gag lever post form the structure of interlocking, prevent that the bolt from breaking away from fixed position flange, ensure to fix the ring flange on positioning flange, have played the effect of locking to the ring flange.

To sum up, the utility model discloses following beneficial effect has:

1. the positioning time of the flange plate and the measuring pipe is reduced, and the production speed is accelerated;

2. the positioning piece has three types and is flexible and diversified.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a schematic view of the structure of the boss and the measurement pipe of this example 1.

Fig. 3 is a schematic view of the entire structure of embodiment 2.

Fig. 4 is a schematic structural view of the whole of embodiment 3.

Fig. 5 is a schematic structural diagram of an electromagnetic flowmeter.

Reference numerals: 1. a base plate; 11. a slide rail; 12. a slider; 13. a locking device; 14. a fixing plate; 15. a screw rod; 2. positioning the flange; 21. a boss; 22. positioning holes; 4. a positioning member; 41. a screw; 42. a nut; 43. an arc-shaped plate; 44. a positioning column; 45. clamping a plate; 46. a ring groove; 47. a bolt; 48. a limiting rod; 49. a limiting hole; 5. an electromagnetic flow meter; 51. a display member; 52. a measurement tube; 53. a flange plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: referring to fig. 1 and 2, a positioning tool for a measuring tube and a flange of an electromagnetic flowmeter comprises a bottom plate 1, two positioning flanges 2 connected to the bottom plate 1 along a direction perpendicular to the bottom plate 1, wherein the two positioning flanges 2 are coaxially arranged, a plurality of positioning holes 22 identical to those of a flange plate 53 are formed in the positioning flanges 2, and the positioning holes 22 in the two positioning flanges 2 are in one-to-one correspondence and coaxial. When the flange plate 53 is attached to the positioning flanges 2, the connecting holes in the flange plate 53 are coincided with the positioning holes 22, the positioning holes 22 in the two positioning flanges 2 are coaxial, and the connecting holes in the flange plate 53 are coincided with the positioning holes, so that the connecting holes in the two flange plates 53 are indirectly ensured to be coaxial, and finally the measuring pipe 52 is spliced on the flange plate 53 for welding, so that a large amount of time can be saved, and the production efficiency is improved.

Referring to fig. 1 and 2, a positioning member 4 is provided on the positioning flange 2, and the positioning member 4 is used for positioning and locking the flange plate 53 on the positioning flange 2. The positioning member 4 includes a screw 41 and a nut 42 screwed on the screw 41. The number of the screw rods 41 is at least two, the screw rods 41 penetrate through the positioning holes 22 and the flange plate 53 to play a positioning role in positioning the flange plate 53, the screw rods 41 penetrate through the positioning holes 22 and then are locked through the nuts 42, and therefore the flange plate 53 is fixed on the positioning flange 2 and plays a locking role in locking the flange plate 53. The flange 53 is prevented from being positionally displaced when the measurement pipe 52 is welded.

Referring to fig. 1 and 2, two parallel slide rails 11 are arranged on the bottom plate 1 along the length direction of the bottom plate 1, a sliding block 12 is arranged on the slide rails 11 in a sliding manner, two bolts are arranged on the back surface of the positioning flange 2 along the axial direction of the positioning flange 2, and the bolts penetrate through the sliding block 12 and are in threaded connection with the positioning flange 2, so that the positioning flange 2 can be detachably connected to the sliding block 12, and the positioning flanges 2 with different sizes can be conveniently replaced. The sliding blocks 12 are slidably connected to the sliding rails 11, so that the distance between the two positioning flanges 2 can be adjusted conveniently, and the measuring pipes 52 with different lengths can be adapted.

Referring to fig. 1 and 2, four sets of locking devices 13 for locking the slider 12 are provided on the slider 12, respectively at both ends and both sides of the base plate 1. The locking device 13 comprises a fixing plate 14 fixed on the slide rail 11 and a screw rod 15 screwed on the fixing plate 14 along the length direction of the slide rail 11, and the screw rod 15 is rotatably connected on the slide block 12. The screw rod 15 is rotated, the screw rod 15 slides on the fixing plate 14, the screw rod 15 is rotatably connected to the slide block 12 and has no axial displacement with the slide block 12, and therefore the abutting rod and the slide block 12 rotate synchronously. The positioning flange 2 is fixed on the slide block 12, so that the positioning flange 2 moves synchronously. The positioning flange 2 can move only by rotating the screw rod 15, so that the positioning flange 2 is locked.

Referring to fig. 1 and 2, a boss 21 is provided on one of the positioning flanges 2, and the boss 21 is provided coaxially with the positioning flange 2 and screwed to the positioning flange 2. The boss 21 serves as a positioning element for the measuring tube 52, and ensures that neither end of the measuring tube 52 extends beyond the flange 53. When the measuring tube 52 extends beyond the flange 53, the threaded rod 15 is now adjusted, increasing the distance between the two positioning flanges 2.

The action process is as follows: firstly, the flange plate 53 is arranged on the positioning flange 2, then the flange plate 53 is fixed on the positioning flange 2 by the positioning piece 4, the measuring pipe 52 is arranged, the distance between the positioning flanges 2 is adjusted according to the length of the measuring pipe 52, finally, the measuring pipe 52 is welded on the flange plate 53, and the measuring pipe 52 and the flange plate 53 are taken down. The above operation is repeated in mass production.

Embodiment 2, referring to fig. 3, a positioning tool for a measuring pipe 52 and a flange 53 of an electromagnetic flowmeter 5 is different from embodiment 1 in the structure of a positioning member 4. The positioning part 4 comprises an arc-shaped plate 43 and a plurality of positioning columns 44 fixedly connected to the arc-shaped plate 43 along the direction perpendicular to the arc-shaped plate 43, the number of the positioning columns 44 is two, the two positioning columns 44 are matched with the positioning holes 22, and the positioning columns 44 penetrate through the positioning holes 22 and the flange plate 53 simultaneously, so that the flange plate 53 is positioned. The locating column 44 is kept away from the one end of arc 43 all is equipped with annular 46, and the curved cardboard 45 of grafting is kept away from one side of positioning flange 2 on ring flange 53, and cardboard 45 joint is in annular 46 to with the ring flange 53 centre gripping between positioning flange 2 and cardboard 45, play the effect of locking to ring flange 53.

Embodiment 3, referring to fig. 4, a positioning tool for a measuring pipe 52 and a flange 53 of an electromagnetic flowmeter 5 is different from those of embodiment 1 and embodiment 2 in the structure of a positioning member 4. The positioning part 4 comprises a T-shaped plug 47 and a limiting rod 48 arranged along the radial direction of the positioning flange 2, and the plug 47 is simultaneously inserted into the positioning flange 2 and the flange plate 53, so that the flange plate 53 is positioned. A limit hole 49 is arranged on the bolt 47, and the limit rod 48 is inserted on the positioning flange 2 and is matched in the limit hole 49. When the bolt 47 is inserted into the positioning hole 22, the limiting rod 48 is inserted into the bolt 47 at this time, so as to prevent the bolt 47 from being separated from the fixing flange 2, ensure that the flange 53 is fixed on the positioning flange 2, and lock the flange 53.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a location frock of electromagnetic flowmeter survey buret and flange dish, its characterized in that, includes bottom plate (1), connects two flange (2) on bottom plate (1), two along the direction of perpendicular to bottom plate (1) flange (2) coaxial setting, equal circumference equipartition a plurality of locating holes (22), two on the flange (2) locating hole (22) coaxial setting, the flange is equipped with setting element (4) that are used for flange (2) dish.

2. The positioning tool for the measuring tube and the flange plate of the electromagnetic flowmeter according to claim 1, characterized in that a slide rail (11) is arranged on the bottom plate (1) along the length direction of the bottom plate (1), a slide block (12) is connected on the slide rail (11) in a sliding manner, the outer side surface of the positioning flange (2) is connected with the slide block (12), and a locking device (13) for locking the slide block (12) is arranged on the slide block (12).

3. The positioning tool for the measuring tube and the flange plate of the electromagnetic flowmeter according to claim 2, wherein the locking device (13) comprises a fixing plate (14) fixed on the slide rail (11), and a screw rod (15) screwed on the fixing plate (14) along the length direction of the slide rail (11), and the screw rod (15) is rotatably connected on the slide block (12).

4. The positioning tool for the measuring tube and the flange plate of the electromagnetic flowmeter according to claim 3, characterized in that the positioning flange (2) is detachably connected to the slide block (12).

5. The positioning tool for the measuring tube and the flange plate of the electromagnetic flowmeter according to claim 4, characterized in that a boss (21) coaxial with the positioning flange (2) is arranged on one of the positioning flanges (2), and the boss (21) is in threaded connection with the positioning flange (2).

6. The positioning tool for the measuring tube and the flange plate of the electromagnetic flowmeter according to claim 1, wherein the positioning member (4) comprises an arc-shaped plate (43) and a plurality of positioning columns (44) fixedly connected to the arc-shaped plate (43) along a direction perpendicular to the arc-shaped plate (43), the positioning columns (44) are matched with the positioning holes (22), the positioning columns (44) penetrate through the positioning flange (2) and the flange plate (53) and are provided with arc-shaped clamping plates (45), one ends of the positioning columns (44) far away from the arc-shaped plate (43) are provided with annular grooves (46), and the clamping plates (45) are clamped in the annular grooves (46).

7. The positioning tool for the measuring tube and the flange plate of the electromagnetic flowmeter according to claim 1, wherein the positioning member (4) comprises a screw rod (41) and a nut (42) in threaded connection with the screw rod (41), and the screw rod (41) is matched with the positioning hole (22) in a radial direction.

8. The positioning tool for the measuring tube and the flange plate of the electromagnetic flowmeter according to claim 1, wherein the positioning member (4) comprises a T-shaped plug pin (47) and a limiting rod (48) arranged along the radial direction of the positioning flange (2), the limiting rod (48) is inserted into the positioning flange (2), and a limiting hole (49) matched with the limiting rod (48) is formed in the plug pin (47) along the radial direction of the plug pin (47).