Novel temperature and pressure compensation vortex shedding flowmeter

Abstract

The utility model discloses a novel temperature and pressure compensation vortex shedding flowmeter which comprises a temperature and pressure compensation vortex shedding flowmeter body, a connecting pipe is horizontally installed at the bottom of the temperature and pressure compensation vortex shedding flowmeter body, the two sides of the connecting pipe are respectively connected with a set of butt joint pieces used for being in butt joint with pipelines, and each butt joint piece comprises a butt joint pipe assembly and a butt joint pipe assembly. The butt joint pipe assemblies are arranged on the front side and the rear side of the connecting pipe, and each butt joint pipe assembly comprises two sets of second flange plates installed on the two sides of the connecting pipe. According to the novel temperature and pressure compensation vortex shedding flowmeter, a shifting rod drives a rotating frame and a gear ring to rotate around a connecting pipe on the surface of a first sliding frame, the gear ring drives a plurality of sets of gears, sleeves and nuts to rotate, and the nuts are gradually in threaded connection with bolts; and a first positioning pin on the first sliding frame is inserted into a first positioning hole in the surface of the connecting pipe, so that the horizontal positions of the first sliding frame and the mounting piece are locked.

Description

TECHNICAL FIELD

[0001] The utility model relates to vortex flowmeter technical field, concretely to a novel temperature and pressure compensation vortex flowmeter. BACKGROUND

[0002] Vortex flowmeter is the volume flowmeter of measuring gas, steam or liquid volume flow, standard volume flow or mass flow according to the principle of karman vortex, reference authorized announcement no. The temperature and pressure compensation vortex flowmeter of CN214621310U, including the connecting pipe, two sleeve tubes, two sleeve rings and two first flanges, the outer wall of the connecting pipe is fixedly sleeved with temperature and pressure compensation vortex flowmeter body, simplify the use installation process of temperature and pressure compensation vortex flowmeter, and can prevent flange connection place from leaking, and the measurement result of temperature and pressure compensation vortex flowmeter is more accurate, as described in the above patent, in the installation process of the existing temperature and pressure compensation vortex flowmeter, most adopt the mode of installing nut and bolt in sequence to realize the butt joint and installation of flowmeter and pipeline surface flange plate, and the installation mode is too cumbersome, and when setting the sleeve matched with the bolt at the installation end of the flowmeter to install synchronously, the sleeve needs to be replaced integrally after being damaged, the operation is complex, and after the bolt is locked, the installation end cannot be locked, which is easy to cause loosening and further affect the installation accuracy. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a novel temperature and pressure compensation vortex flowmeter, which solves the problems of complicated installation steps of the device installation end, difficulty in replacing installation components and influence on installation efficiency.

[0004] To achieve the above object, the utility model realizes the following technical scheme: a novel temperature and pressure compensation vortex flowmeter, comprising a temperature and pressure compensation vortex flowmeter main body, a connecting pipe horizontally installed at the bottom of the temperature and pressure compensation vortex flowmeter main body, a group of butt joints for butt joint with a pipeline connected to the front side and the rear side of the connecting pipe, the butt joint comprising:

[0005] The butt joint pipe assembly is arranged at the front side and the rear side of the connecting pipe for pipeline connection, and comprises two groups of second flange plates installed at the front side and the rear side of the connecting pipe, a first flange plate butted to the side away from the connecting pipe of the second flange plate, bolts for installation connected to the edges of the first flange plate and the second flange plate, and a butt joint pipe installed on the side away from the connecting pipe of the first flange plate.

[0006] The locking piece is installed at the front side and the rear side of the connecting pipe for locking the bolt, a group of first sliding frames is slidably connected to the front side and the rear side of the connecting pipe, the mounting piece is arranged on the side close to the second flange plate of the first sliding frame, the mounting piece comprises a plurality of nuts for locking the bolt, and a sleeve for storing the nut is rotatably connected to the surface of the first sliding frame.

[0007] Preferably, the adapter pipe assembly further comprises a second sliding frame slidingly connected to the adapter pipe surface and used for limiting the bolt, and a second positioning pin vertically connected to the second sliding frame away from the second flange side, and the adapter pipe surface is provided with a second positioning groove corresponding to the second positioning pin near the first flange side.

[0008] Preferably, the locking member further comprises a first positioning pin vertically connected to the first sliding frame away from the second flange side, and the first positioning pin is used for locking the position of the first sliding frame, and the upper surface of the connecting pipe is provided with a first positioning groove corresponding to the first positioning pin near the second flange side.

[0009] Preferably, the mounting member comprises a rotating frame rotatably connected to the first sliding frame, a gear mounted on the outer side of the sleeve, a tooth ring mounted on the inner wall of the rotating frame and engaged with the gears, four groups of push rods mounted on the edge of the rotating frame, and a mounting groove provided on the inner side of the sleeve and engaged with the nut.

[0010] Preferably, the rotating frame is provided with a convex ring near the inner side of the first sliding frame for preventing disengagement, and the first sliding frame is rotatably connected to the convex ring.

[0011] Preferably, the rotating frame is annular and the center of the annular rotating frame coincides with the center line of the connecting pipe, and the push rod is provided with a push ball away from the side of the rotating frame.

[0012] Beneficial effects

[0013] The utility model provides a novel temperature and pressure compensation vortex street flowmeter, has the following beneficial effects compared with prior art:

[0014] 1、the novel temperature and pressure compensation vortex street flowmeter, through setting locking member in the device, along the connecting pipe surface sliding first sliding frame, first positioning pin, mounting member, after a plurality of nuts in the mounting member abut at the bolt thread, through the push rod drive rotating frame, tooth ring rotates on the first sliding frame surface around the connecting pipe, tooth ring respectively drive a plurality of gear, sleeve, nut rotation, nut gradually with bolt thread connection, after nut and bolt thread connection is finished, first positioning pin on the first sliding frame is inserted into the first positioning hole on the connecting pipe surface, realizes the locking to the horizontal position of first sliding frame, mounting member, this kind of setting is helpful to a plurality of bolt and nut thread connection, at the same time, it is convenient for user to replace nut quickly, prolongs the service life of instrument, and prevents the separation between bolt and nut through limiting locking.

[0015] 2. The new temperature and pressure compensation vortex flowmeter, by setting the second sliding frame and the second positioning pin in the device, sliding the second sliding frame along the surface of the butt joint pipe before the bolt and the nut are connected, the second sliding frame drives the second positioning pin to move, after the second sliding frame is tightly attached to the array of bolts, the second positioning pin is inserted into the second positioning hole on the surface of the butt joint pipe, the limiting of the bolt is realized, and the supporting effect is achieved during the threaded connection of the nut and the screw rod, so that the installation operation is not affected due to the bolt being pushed open. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model;

[0017] Figure 2 It is an enlarged view of the mounting part of the utility model;

[0018] Figure 3 It is a partial enlarged view of the mounting part of the utility model;

[0019] Figure 4 It is a partial enlarged view of the butt joint pipe assembly of the utility model.

[0020] In the figure: 1, temperature and pressure compensation vortex flowmeter main body; 2, connecting pipe; 3, locking part; 31, first sliding frame; 32, first positioning pin; 33, mounting part; 331, rotating frame; 332, gear ring; 333, gear; 334, sleeve; 335, nut; 336, lever; 4, butt joint pipe assembly; 41, first flange; 42, bolt; 43, butt joint pipe; 44, second sliding frame; 45, second positioning pin; 46, second flange. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Referring to Figures 1-4 The utility model provides the following two technical schemes:

[0023] The first embodiment: a new temperature and pressure compensation vortex flowmeter, including temperature and pressure compensation vortex flowmeter main body 1, temperature and pressure compensation vortex flowmeter main body 1 model is DVS, temperature and pressure compensation vortex flowmeter main body 1 bottom horizontal installation has connecting pipe 2, connecting pipe 2 front side and rear side are connected with a group of butt joint pipe for butt joint piece, butt joint piece includes:

[0024] The docking pipe assembly 4 is arranged on the front side and the rear side of the connecting pipe 2 for pipe connection. The docking pipe assembly 4 comprises two groups of second flanges 46 arranged on the front side and the rear side of the connecting pipe 2. The second flanges 46 are arranged in abutment with the first flanges 41 away from the connecting pipe 2. The edges of the first flanges 41 and the second flanges 46 are connected with bolts 42 for installation. The first flanges 41 are arranged in abutment with docking pipes 43 away from the connecting pipe 2.

[0025] The locking member 3 is arranged on the front side and the rear side of the connecting pipe 2 for locking the bolts 42. The front side and the rear side of the connecting pipe 2 are respectively connected with a group of first sliding frames 31 in sliding mode. The first sliding frames 31 are arranged with installation members 33 on the side close to the second flanges 46. The installation members 33 comprise a plurality of nuts 335 for locking the bolts 42. The surfaces of the first sliding frames 31 are rotatably connected with sleeves 334 for storing the nuts 335. The locking member 3 further comprises first positioning pins 32 which are perpendicularly and threadedly connected to the first sliding frames 31 away from the second flanges 46. The first positioning pins 32 are used for locking the positions of the first sliding frames 31. The upper surface of the connecting pipe 2 is provided with first positioning grooves corresponding to the first positioning pins 32 on the side close to the second flanges 46. The first positioning grooves are not in communication with the interior of the connecting pipe 2.

[0026] The installation members 33 comprise rotating frames 331 which are rotatably connected to the first sliding frames 31. The outer sides of the sleeves 334 are provided with gears 333. The inner walls of the rotating frames 331 are provided with toothed rings 332 which are engaged with the plurality of gears 333. The edges of the rotating frames 331 are provided with four groups of lever rods 336. The inner sides of the sleeves 334 are provided with installation grooves which are engaged with the nuts 335. The rotating frames 331 are provided with convex rings on the side close to the inner sides of the first sliding frames 31 for preventing the rotating frames 331 from being detached. The first sliding frames 31 are rotatably connected with the convex rings. The rotating frames 331 are located between the main body 1 of the warm-pressing compensation vortex flow meter and the second flanges 46. The rotating frames 331 are annular and the centers of the annular are coincident with the center line of the connecting pipe 2. The lever rods 336 are provided with balls on the side away from the rotating frames 331.

[0027] The first sliding frames 31, the first positioning pins 32 and the installation members 33 are slid along the surface of the connecting pipe 2. After the plurality of nuts 335 in the installation members 33 abut against the threads of the bolts 42, the rotating frames 331, the toothed rings 332 are rotated around the connecting pipe 2 on the surface of the first sliding frames 31 by the lever rods 336. The plurality of gears 333, the sleeves 334 and the nuts 335 are rotated by the toothed rings 332 respectively. The nuts 335 are gradually threadedly connected with the bolts 42. After the nuts 335 are completely threadedly connected with the bolts 42, the first positioning pins 32 on the first sliding frames 31 are inserted into the first positioning holes on the surface of the connecting pipe 2. The horizontal positions of the first sliding frames 31 and the installation members 33 are locked. The first sliding frames 31 play a role in preventing the first sliding frames 31 from being detached.

[0028] The second embodiment is mainly different from the first embodiment in that:

[0029] The docking pipe assembly 4 further comprises a second sliding frame 44 slidingly connected to the surface of the docking pipe 43 and used for limiting the bolt 42, the second sliding frame 44 is vertically screwed with a second positioning pin 45 away from the side of the second flange plate 46, the surface of the docking pipe 43 corresponding to the second positioning pin 45 near the side of the first flange plate 41 is provided with a second positioning slot, the second positioning slot is not communicated with the inside of the docking pipe 43, before the bolt 42 is connected with the nut 335, the second sliding frame 44 is slid along the surface of the docking pipe 43, the second sliding frame 44 drives the second positioning pin 45 to move, after the second sliding frame 44 is tightly attached to the array of bolts 42, the second positioning pin 45 is inserted into the second positioning hole on the surface of the docking pipe 43, thereby limiting the bolt 42.

[0030] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of various appliances are not specifically limited, and conventional equipment can be used.

[0031] In use, the user moves the warm pressure compensation vortex flowmeter main body 1, the connecting pipe 2 and the two groups of locking members 3 between the two groups of docking pipes 43, when the second flange plates 46 on the front side and the rear side of the connecting pipe 2 are respectively attached to and aligned with a group of first flange plates 41, the array of bolts 42 is respectively inserted through the array of mounting holes on the edges of the adjacent first flange plate 41 and the second flange plate 46, the second sliding frame 44 is slid along the surface of the docking pipe 43, the second sliding frame 44 drives the second positioning pin 45 to move, after the second sliding frame 44 is tightly attached to the array of bolts 42, the second positioning pin 45 is inserted into the second positioning hole on the surface of the docking pipe 43, the first sliding frame 31, the first positioning pin 32 and the mounting member 33 are slid along the surface of the connecting pipe 2, after the array of nuts 335 in the mounting member 33 abuts against the threaded part of the bolt 42, the rotating frame 331 and the gear ring 332 are driven by the lever 336 to rotate around the connecting pipe 2 on the surface of the first sliding frame 31, the array of gears 333, the sleeve 334 and the nut 335 are respectively driven by the gear ring 332 to rotate, the nut 335 is gradually connected with the bolt 42 in screw thread, after the nut 335 is completely connected with the bolt 42 in screw thread, the first positioning pin 32 on the first sliding frame 31 is inserted into the first positioning hole on the surface of the connecting pipe 2, thereby locking the horizontal position of the first sliding frame 31 and the mounting member 33, wherein the warm pressure compensation vortex flowmeter main body 1 is prior art, and therefore the specific structure and working principle thereof will not be described.

[0032] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A new type of temperature and pressure compensated vortex flowmeter comprising a temperature and pressure compensated vortex flowmeter body (1), characterized in that: The warm pressure compensation vortex flowmeter body (1) bottom horizontal installation has a connecting pipe (2), the connecting pipe (2) front and back sides are connected with a group of butt joint pieces for connecting pipes, the butt joint pieces include: The butt joint pipe assembly (4) is provided on the front and back sides of the connecting pipe (2) for pipe connection, the butt joint pipe assembly (4) includes two groups of second flange plates (46) installed on the front and back sides of the connecting pipe (2), the first flange plate (41) is butted on the side away from the connecting pipe (2) of the second flange plate (46), the first flange plate (41) and the second flange plate (46) are both connected with bolts (42) for installation on the edges, the butt joint pipe (43) is installed on the side away from the connecting pipe (2) of the first flange plate (41); The locking piece (3) is installed on the front and back sides of the connecting pipe (2) for locking the bolts (42), the front and back sides of the connecting pipe (2) are respectively connected with a group of first sliding frames (31), the first sliding frame (31) is provided with a mounting piece (33) on the side close to the second flange plate (46), the mounting piece (33) includes a plurality of nuts (335) for locking the bolts (42), the surface of the first sliding frame (31) is rotatably connected with a plurality of sleeves (334) for storing the nuts (335).

2. A new temperature and pressure compensated vortex flowmeter according to claim 1, characterized in that: The butt joint pipe assembly (4) further includes a second sliding frame (44) slidably connected to the surface of the butt joint pipe (43) and used for limiting the bolts (42), the second sliding frame (44) is perpendicularly and threadedly connected with a second positioning pin (45) on the side away from the second flange plate (46), and the surface of the butt joint pipe (43) is provided with a second positioning groove corresponding to the second positioning pin (45) on the side close to the first flange plate (41).

3. A new temperature and pressure compensated vortex flowmeter as claimed in claim 1, wherein: The locking piece (3) further includes a first positioning pin (32) perpendicularly and threadedly connected to the first sliding frame (31) on the side away from the second flange plate (46), the first positioning pin (32) is used for locking the position of the first sliding frame (31), and the upper surface of the connecting pipe (2) is provided with a first positioning groove corresponding to the first positioning pin (32) on the side close to the second flange plate (46).

4. A new temperature and pressure compensated vortex flowmeter according to claim 1, characterized in that: The mounting piece (33) includes a rotating frame (331) rotatably connected to the first sliding frame (31), the outside of the sleeve (334) is provided with a gear (333), the inner wall of the rotating frame (331) is provided with a gear ring (332) engaged with the plurality of gears (333), the edge of the rotating frame (331) is provided with four groups of lever rods (336), and the inside of the sleeve (334) is provided with a mounting groove engaged with the nut (335).

5. A novel temperature and pressure compensated vortex flowmeter as claimed in claim 4 wherein: The rotating frame (331) is provided with a convex ring close to the inside of the first sliding frame (31) for preventing the sleeve (334) from being pulled out, and the first sliding frame (31) is rotatably connected with the convex ring.

6. A new temperature and pressure compensated vortex flowmeter according to claim 4, characterized in that: The rotating frame (331) is annular and the center of the ring coincides with the center line of the connecting pipe (2), and the lever rod (336) is provided with a push ball on the side away from the rotating frame (331).

Images