CN210923323U

CN210923323U - Overpressure and fatigue integrated machine

Info

Publication number: CN210923323U
Application number: CN201921720035.7U
Authority: CN
Inventors: 肖海; 申玉松; 孙俊
Original assignee: Hongqi Meter Co ltd
Current assignee: Hongqi Meter Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-07-03
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a tired all-in-one of superpressure belongs to manometer fatigue test's technical field, has solved among the prior art very troublesome problem that takes time of the dismouting of elastic element on fatigue test machine. The device comprises a workbench and a display control panel, wherein the workbench is hollow and comprises a top plate, a plurality of mounting holes are formed in the top plate, an air source is arranged in the workbench, and the device also comprises a fixing piece for fixing an elastic element, wherein the fixing piece comprises a hollow mounting seat fixed on the top plate, two ends of the mounting seat are communicated, a baffle plate extending from the inner wall surface of the mounting seat to the inside of the mounting seat, a butting plate arranged between the top plate and the baffle plate, and a butting spring arranged between the top plate and the butting plate; set up the perforation that link up baffle thickness direction on the baffle, set up on the butt joint board with the mounting hole all communicate with the perforation and be used for wearing to establish the through-hole of installation pipe. The utility model discloses a press the rotatory mode, make things convenient for the dismouting of elastic element at the test machine.

Description

Overpressure and fatigue integrated machine

Technical Field

The utility model relates to a manometer fatigue test's technical field, in particular to tired all-in-one of superpressure.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches.

The elastic element of the pressure gauge is subjected to a fatigue test after the production is completed to determine the service life and the qualification of the elastic element. As shown in fig. 1, the elastic element 1 includes an elastic piece 11 having a circular arc shape and a hollow, and a supporting block 12 fixed to one end of the elastic piece 11, the supporting block 12 is hollow and communicates with the inside of the elastic piece 11, and air pressure enters the elastic piece 11 through the supporting block 12 to cause deformation of the elastic piece 11. The supporting block 12 comprises an upper rectangular block 121 connected with the elastic piece 1, a lower rectangular block 123 and a cylindrical block 122 connected with the upper rectangular block 121 and the lower rectangular block 123, an installation pipe 13 communicated with the inside of the supporting block 12 is fixed at one end, far away from the cylindrical block 122, of the lower rectangular block 123 and used for being connected with an air pipe 7 or other installation pipes 13, and the installation pipe 13 is a circular pipe.

In the prior art, when fatigue testing is performed on an elastic element, the elastic element needs to be fixed on a testing machine, a plurality of mounting holes are formed in the testing machine, a threaded section is further fixed between a rectangular block below the elastic element and a connecting pipe, and the threaded section is generally connected in the mounting holes of the testing machine in a threaded manner to fix the elastic element. A fatigue testing machine is provided with more than 100 mounting holes, and during batch testing, the mounting and dismounting of each elastic element need to be screwed down or unscrewed, so that the mounting and dismounting of the elastic elements are very troublesome and time-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough that the dismouting of elastic element on fatigue test machine is very troublesome to take time among the prior art, and providing a tired all-in-one of superpressure, reached the effect that makes things convenient for elastic element dismouting on the test machine.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an overpressure fatigue integrated machine comprises a workbench and a display control panel, wherein the workbench is hollow and comprises a top plate, a plurality of mounting holes are formed in the top plate, an air source is arranged in the workbench, the overpressure fatigue integrated machine also comprises a fixing piece for fixing an elastic element, the fixing piece comprises a mounting seat which is fixed on the top plate and is hollow, two ends of the mounting seat are communicated, a baffle plate extends towards the inside of the mounting seat from the inner wall of the mounting seat, a butting plate is arranged between the top plate and the baffle plate, and a butting spring is arranged between the top plate and the butting plate; the mounting seats and the mounting holes are arranged in a one-to-one correspondence manner, and the mounting holes are communicated with the hollow parts of the mounting seats; the baffle plate is provided with a through hole penetrating through the thickness direction of the baffle plate, the cross section area of the through hole is larger than that of the cylindrical section, and the abutting plate is provided with a through hole which is communicated with the mounting hole and the through hole and is used for penetrating through the mounting pipe; when the abutting spring is in a natural state, the abutting plate abuts against the baffle.

By adopting the technical scheme, the mounting pipe is aligned to the through hole, the abutting plate is pressed downwards, the lower rectangular block penetrates through the through hole to extend to the position between the baffle and the abutting plate, the elastic element is rotated, the lower rectangular block is rotated to be partially overlapped with the baffle, the elastic element is loosened, due to the reset action of the abutting spring, the abutting plate abuts against the upper surface of the baffle tightly, the lower rectangular block is fixed, and therefore the elastic element is fixed. When the device is mounted, the supporting block is only required to be pressed downwards and then rotated for a certain angle (no circle is needed), so that the elastic element can be fixed, and when the device is dismounted, the lower rectangular block can be automatically sent out by rotating the lower rectangular block to abut against the spring and then taken out; compare and need rotate always among the prior art, improved the convenient degree of elastic element dismouting on fatigue test machine greatly in this scheme, reached the effect that makes things convenient for elastic element dismouting on the test machine.

More preferably: a limiting rod penetrates through the mounting hole, the limiting rod is hollow, two ends of the limiting rod are communicated, and the inner diameter of the limiting rod is matched with the outer diameter of the mounting pipe; one end of the limiting rod is inserted and fixed in the through hole, the other end of the limiting rod penetrates through the mounting hole and extends into the workbench, and the mounting pipe is inserted in the limiting rod.

Adopt above-mentioned technical scheme, spacing to the gag lever post through the perforation realizes that the gag lever post carries on spacingly to the butt plate for the butt plate can only slide at gag lever post length direction, has improved the stability of butt plate when using.

More preferably: the limiting rod is in threaded connection with the inner wall surface of the through hole.

By adopting the technical scheme, the detachable installation is realized, and the maintenance and the replacement are convenient.

More preferably: the cross section of the through hole is rectangular and is matched with the cross section of the lower rectangular block.

By adopting the technical scheme, the elastic element can be conveniently positioned and inserted; when the cross section of the through hole is matched with the cross section of the lower rectangular block in shape and size, the lower rectangular block enters the space between the abutting plate and the baffle plate, and can be overlapped with the baffle plate by rotating a little angle, so that fixation is realized.

More preferably: four end corners of the through hole are communicated with deformation grooves, and the deformation grooves penetrate through the thickness direction of the baffle and extend to the outer side of the through hole.

By adopting the technical scheme, certain deformation capacity is provided for the through holes, and the lower rectangular block can penetrate through the through holes to enter between the abutting plate and the through holes.

More preferably: a positioning piece extending towards one side of the abutting plate is fixed on one side, close to the abutting plate, of the baffle plate, and the extending length of the positioning piece is smaller than the thickness of the lower rectangular block; the locating plate is provided with two, and is fixed in on the baffle of two offsides of perforation respectively, two locating plates and two relative end angle face butt of lower rectangular block.

By adopting the technical scheme, after the lower rectangular block is positioned between the abutting plate and the baffle plate, when the lower rectangular block is rotated and abuts against the positioning piece, the lower rectangular block is positioned without being continuously rotated; after the elastic elements on one test board are fixed, the elastic elements are more orderly. The extension length of the positioning piece is smaller than the thickness of the lower rectangular block, so that the lower rectangular block can be tightly propped against the baffle.

More preferably: the butt plate is provided with an embedding groove used for embedding the positioning piece, the embedding groove is communicated with one end of the baffle close to the positioning piece, and the baffle is abutted to the butt plate when the positioning piece is positioned in the embedding groove.

By adopting the technical scheme, when the elastic element is not installed, the abutting plate can abut against the baffle.

More preferably: an auxiliary plate is fixed on the inner wall surface of the mounting seat, the auxiliary plate is abutted against the top plate, and the abutting spring is connected between the auxiliary plate and the abutting plate.

By adopting the technical scheme, the fixing piece can be taken down as a whole, and is convenient to replace or maintain.

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

1. by arranging the mounting seat, the abutting plate, the baffle plate and the abutting spring, the elastic element can be fixed only by downwards pressing the supporting block and then rotating the supporting block for a certain angle (without a circle) during mounting, and when the elastic element is dismounted, the lower rectangular block can be automatically sent out by rotating the abutting spring of the lower rectangular block and taken out; compared with the prior art, the scheme greatly improves the convenience of dismounting the elastic element on the fatigue testing machine, and achieves the effect of facilitating dismounting the elastic element on the testing machine;

2. the limit rod is arranged, so that the limit rod limits the abutting plate, the abutting plate can only slide in the length direction of the limit rod, and the stability of the abutting plate in use is improved;

3. by arranging the positioning piece, on one hand, when the lower rectangular block is rotated and is abutted against the positioning piece, the lower rectangular block is positioned without being rotated continuously; on the other hand, after the elastic elements on one test board are fixed, the elastic elements are more orderly;

4. through setting up the accessory plate, the mounting can be taken off as a whole, convenient change or maintenance.

Drawings

FIG. 1 is a schematic view of a spring element;

FIG. 2 is a schematic view of the present invention with an elastic element installed;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a partial cross-sectional view of section A-A of FIG. 3;

fig. 5 is a schematic structural view of a mount explosion structure.

Reference numerals: 1. an elastic element; 11. an elastic sheet; 12. a support block; 121. an upper rectangular block; 122. a cylindrical block; 123. a lower rectangular block; 13. installing a pipe; 2. a work table; 21. a top plate; 211. mounting holes; 22. a base plate; 23. a side plate; 24. a display control panel; 3. a fixing member; 31. a mounting seat; 311. a convex edge; 312. a cylindrical section; 313. a hexagonal section; 32. a baffle plate; 321. perforating; 322. a deformation groove; 33. a butt joint plate; 331. a through hole; 332. caulking grooves; 34. the spring is tightly propped; 4. a limiting rod; 5. positioning plates; 6. an auxiliary plate; 7. the trachea.

Detailed Description

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

For convenience of illustration, the elastic element 1 is introduced in the present embodiment, as shown in fig. 1, the elastic element 1 includes an elastic sheet 11 having a circular arc shape and a hollow, and a supporting block 12 fixed to one end of the elastic sheet 11, the supporting block 12 is hollow and is communicated with the inside of the elastic sheet 11, and the elastic sheet 11 is deformed by the air pressure entering the elastic sheet 11 through the supporting block 12.

The supporting block 12 comprises an upper rectangular block 121 fixedly communicated with the elastic piece 11, a lower rectangular block 123 arranged in parallel on one side of the upper rectangular block 121 far away from the elastic piece 11, and a cylindrical block 122 connecting the upper rectangular block 121 and the lower rectangular block 123, wherein the cross-sectional areas of the upper rectangular block 121 and the lower rectangular block 123 are the same, and the cross-sectional area of the cylindrical block 122 is smaller than that of the upper rectangular block 121. The one end that the cylinder piece 122 was kept away from to lower rectangular block 123 is fixed with the installation pipe 13 with the inside intercommunication of supporting shoe 12 for connect trachea 7 or other installation pipes 13, installation pipe 13 is the pipe, installation pipe 13 still overlaps outward to be established and is fixed with the sealing washer fixed with lower rectangular block 123 lower surface butt.

An overpressure and fatigue integrated machine is shown in fig. 2 and comprises a hollow workbench 2, a display control panel 24 vertically connected to the side edge of the workbench 2 and a fixing piece 3 arranged on the workbench 2 and used for fixing an elastic element 1. The workbench 2 comprises a horizontal top plate 21, a bottom plate 22 parallel to the top plate 21, and four side plates 23 vertically connecting four sides of the top plate 21 and the bottom plate 22; the top plate 21 is vertically provided with mounting holes 211 (see fig. 4) arranged in a 3 × 6 matrix, the mounting holes 211 penetrate through the thickness direction of the top plate 21, and each mounting hole 211 is correspondingly provided with one fixing member 3.

As shown in fig. 3 and 4, the fixing member 3 includes a mounting seat 31 fixed to the top plate 21 and having a hollow upper surface and two through ends, a baffle plate 32 horizontally fixed inside the mounting seat 31, a contact plate 33 horizontally fixed inside the mounting seat 31 and contacting with a lower surface of the baffle plate 32, and a contact spring 34 (see fig. 5) connected to a lower surface of the contact plate 33. The baffle 32 is provided with a through hole 321 for passing through the lower rectangular block 123, and the abutting plate 33 is provided with a through hole 331 for passing through the installation pipe 13. An auxiliary plate 6 with a circular cross section is horizontally fixed on the inner wall surface of the cylindrical section 312, and a holding spring 34 is connected between the auxiliary plate 6 and the abutting plate 33; the two abutting springs 34 are respectively located at two opposite sides of the through hole 331.

As shown in fig. 4, the mounting seat 31 includes a cylindrical section 312 abutting against the upper surface of the top plate 21, a convex edge 311 fixed outside the cylindrical end and abutting against the top plate 21 and having a circular cross section, and a hexagonal section 313 fixed on the cylindrical end and having a regular hexagonal cross section, wherein the cross sections of the upper end and the lower end openings of the hexagonal section 313 are both circular; the central axis of the mounting seat 31 coincides with the central axis of the mounting hole 211. The installation hole 211 is provided with a limiting rod 4 with a circular cross section, one end of the limiting rod 4 is in threaded connection with the inner wall surface of the through hole 331, and the other end of the limiting rod passes through the installation hole 211 and extends into the workbench 2.

The lower surface of the top plate 21 is fixed with an air pipe 7, each mounting hole 211 corresponds to one air pipe 7, and the lower end of the limiting rod 4 is positioned in the air pipe 7; the air pipe 7 is gathered and connected with an air source arranged in the workbench 2 to carry out fatigue test.

As shown in fig. 5, the cross section of the through hole 321 is a rectangle matching with the cross section of the lower rectangular block 123, the lower rectangular block 123 can just pass through the through hole 321, and deformation grooves 322 with circular cross sections are communicated at four corners of the through hole 321 to provide a certain deformation capacity for the through hole 321. Two locating pieces 5 with rectangular cross sections are vertically fixed on the lower surface of the baffle 32 and are respectively positioned on two opposite sides of the through hole 321, and after the lower rectangular block 123 is clamped between the baffle 32 and the abutting plate 33, the vertical side surface is abutted to the locating pieces 5 after rotating anticlockwise by 45 degrees. Two caulking grooves 332 with rectangular cross sections are formed in the abutting pieces, and when the baffle 32 abuts against the abutting plate 33, the positioning pieces 5 are located in the caulking grooves 332.

The implementation principle of the embodiment is as follows: during the installation, aim at the gag lever post 4 hollow portion with installation pipe 13 and insert to vertical elastic element 1 that pushes down, will descend rectangular block 123 butt on butt board 33, and get into gradually between baffle 32 and the butt board 33, when the rectangular plate passed butt board 33 down, anticlockwise rotation elastic element 1 until with spacer 5 butt, it can to loosen elastic element 1, start the air supply and can begin the fatigue test. After the test is completed, the elastic element 1 is rotated clockwise until the lower rectangular block 123 overlaps the through hole 321, the abutting spring 34 bounces the abutting plate 33, the lower rectangular block 123 is sent out, and the elastic element 1 is taken down from the mounting seat 31.

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. An overpressure fatigue integrated machine comprises a workbench (2) and a display control panel (24), wherein the workbench (2) is hollow and comprises a top plate (21), a plurality of mounting holes (211) are formed in the top plate (21), and an air source is arranged in the workbench (2), and the overpressure fatigue integrated machine is characterized by further comprising a fixing piece (3) for fixing an elastic element (1), wherein the fixing piece (3) comprises a mounting seat (31) which is fixed on the top plate (21) and is hollow and has two through ends, a baffle (32) which extends from the inner wall of the mounting seat (31) to the inside of the mounting seat (31), a butting plate (33) arranged between the top plate (21) and the baffle (32), and a butting spring (34) arranged between the top plate (21) and the butting plate (33); the mounting seats (31) and the mounting holes (211) are arranged in a one-to-one correspondence mode, and the mounting holes (211) are communicated with the hollow parts of the mounting seats (31); the baffle (32) is provided with a through hole (321) penetrating through the baffle (32) in the thickness direction, the cross section area of the through hole (321) is larger than that of the cylindrical section (312), and the abutting plate (33) is provided with a through hole (331) which is communicated with the mounting hole (211) and the through hole (321) and is used for penetrating through the mounting pipe (13); when the abutting spring (34) is in a natural state, the abutting plate (33) abuts against the baffle (32).

2. The integrated overpressure and fatigue machine according to claim 1, wherein a limiting rod (4) penetrates through the mounting hole (211), the limiting rod (4) is hollow, two ends of the limiting rod are communicated, and the inner diameter of the limiting rod (4) is matched with the outer diameter of the mounting pipe (13); one end of the limiting rod (4) is inserted and fixed in the through hole (331), the other end of the limiting rod penetrates through the mounting hole (211) and extends into the workbench (2), and the mounting pipe (13) is inserted and connected in the limiting rod (4).

3. An overpressure and fatigue integrated machine as claimed in claim 2, wherein the limiting rod (4) is in threaded connection with the inner wall surface of the through hole (331).

4. An all-in-one machine for overpressure and fatigue as per claim 1, characterized in that the cross section of the through hole (321) is rectangular and matches with the cross section of the lower rectangular block (123).

5. An overpressure and fatigue integrated machine according to claim 4, wherein deformation grooves (322) are communicated with four corners of the through hole (321), and the deformation grooves (322) penetrate through the thickness direction of the baffle (32) and extend towards the outer side of the through hole (321).

6. An overpressure and fatigue integrated machine according to claim 4, wherein a positioning piece (5) extending towards one side of the abutting plate (33) is fixed to one side, close to the abutting plate (33), of the baffle plate (32), and the extending length of the positioning piece (5) is smaller than the thickness of the lower rectangular block (123); the two positioning pieces (5) are respectively fixed on the baffle plates (32) at two opposite sides of the through hole (321), and the two positioning pieces (5) are abutted against the two opposite end angle surfaces of the lower rectangular block (123).

7. The integrated overpressure and fatigue machine according to claim 6, wherein the abutting plate (33) is provided with an embedding groove (332) for embedding the positioning piece (5), one end of the embedding groove (332), which is close to the baffle (32), is through, and when the positioning piece (5) is located in the embedding groove (332), the baffle (32) abuts against the abutting plate (33).

8. An overpressure and fatigue integrated machine as claimed in claim 1, wherein an auxiliary plate (6) is fixed on the inner wall surface of the mounting seat (31), the auxiliary plate (6) abuts against the top plate (21), and the abutting springs (34) are connected between the auxiliary plate (6) and the abutting plate (33).