CN214894505U

CN214894505U - Sample clamping mechanism for pressure vessel impact test

Info

Publication number: CN214894505U
Application number: CN202121361728.9U
Authority: CN
Inventors: 田智仁; 黄占旗; 周海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-26
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a sample fixture for pressure vessel impact test belongs to pressure vessel detection area. Sample fixture for pressure vessel impact test, including the base, bottom fixedly connected with limiting plate A in the base, limiting plate A top is equipped with the lifter plate, and the lifter plate bottom is bilateral symmetry structure and is equipped with two regulating plates, and the regulator plate bottom is personally submitted the equidistant articulated a plurality of limiting plates B of ring type. The utility model discloses an electric putter drives the lifter plate and descends, and the lifter plate passes through the regulating plate and drives limiting plate B and descend for the slipmat of limiting plate B lower extreme closely laminates with the pressure vessel outer wall, thereby increases the clamping-force to pressure vessel, improves the stability of centre gripping, avoids the testing result mistake to appear, simple structure, and the steadiness is good.

Description

Sample clamping mechanism for pressure vessel impact test

Technical Field

The utility model relates to a pressure vessel detects the field, and more specifically says, relates to sample fixture for pressure vessel impact test.

Background

A pressure vessel is a closed vessel that can withstand pressure. The pressure container has wide application range, and has important position and function in many departments of industry, civil use, military industry and the like and many fields of scientific research. The pressure container is mainly used for the technical processes of heat transfer, mass transfer, reaction and the like, and storing and transporting gas or liquefied gas with pressure in the fields of chemical industry and petrochemical industry; it is also widely used in other industrial and domestic fields, such as air compressors, coolers, buffers, oil-water separators, gas tanks, evaporators, liquid coolant storage tanks, etc. Before the pressure container is put into use, a sampling detection test is required, and the detection test mainly comprises a tensile test, a bending test and an impact test. Among them, in the impact test, V-arrangement or U-shaped breach must be processed to sample department, through striking at the breach back, in order to survey welded joint impact toughness, as the evaluation index of material fracture toughness prior art publication No. CN 213239708U's patent document provides pressure vessel impact test with sample fixture, the device bears the sample through first subassembly, cooperates the drive and the location of second subassembly to first subassembly, and the third subassembly is to the discernment of the central line position of sample breach, make the sample can carry out horizontal migration so that the central line and the striking position coincidence of sample breach on the base member upper surface, thereby guarantee that pressure vessel impact test result is accurate.

Although the device has more beneficial effects, the following problems still exist: the device has small contact area to the pressure vessel and poor clamping stability, and is easy to cause the deviation of a detection result. In view of this, we propose a sample holding mechanism for a pressure vessel impact test.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a sample fixture for pressure vessel impact test to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

Sample fixture for pressure vessel impact test, the on-line screen storage device comprises a base, bottom surface fixedly connected with limiting plate A in the base, limiting plate A top is equipped with the lifter plate, lifter plate top surface middle part fixedly connected with electric putter, the electric putter top surface is connected fixedly with the base, the lifter plate bottom is bilateral symmetry structure and is equipped with two regulating plates, regulating plate outer end top surface articulates there is the regulation seat, it is connected with the threaded rod to adjust seat top surface rotation, threaded rod upper portion threaded connection has the turning block, the threaded rod upper end is passed the lifter plate and is extended to upside and fixedly connected with hand wheel, the regulator plate bottom is that the equidistant articulated a plurality of limiting plate B of ring type, limiting plate B lower extreme inlays and is equipped with the slipmat.

Preferably, the equal fixedly connected with gag lever post A in lifter plate top surface edge, upper portion sliding connection's gag lever post B is connected fixedly with the base in the gag lever post A.

Preferably, the regulating plate is of an arc structure, and the inner end of the regulating plate is hinged to the lifting plate.

Preferably, the through-hole has all been seted up to lifter plate left and right ends, the turning block front and back end all with through-hole sliding connection.

Preferably, the limiting plate B is of an arc structure, and a clamping groove formed in the lower end of the limiting plate B is matched with the non-slip mat in a clamping mode.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses an electric putter drives the lifter plate and descends, and the lifter plate passes through the regulating plate and drives limiting plate B and descend for the slipmat of limiting plate B lower extreme closely laminates with the pressure vessel outer wall, thereby increases the clamping-force to pressure vessel, improves the stability of centre gripping, avoids the testing result mistake to appear, simple structure, and the steadiness is good.

2. The utility model discloses a rotate the hand wheel and drive the threaded rod and go up and down, the threaded rod drives the regulating plate and rotates for interval between two regulating plate outer ends is adjustable, thereby makes limiting plate B can laminate with unidimensional pressure vessel, and is easy and simple to handle, has improved the practicality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a lifting plate, an adjusting plate and a limiting plate B of the present invention;

fig. 3 is a schematic view of the structure of the limiting plate B and the anti-slip mat of the present invention;

FIG. 4 is an enlarged view of the anatomy of the structure at the position A;

the reference numbers in the figures illustrate: 1. a base; 2. a limiting plate A; 3. a lifting plate; 301. a through hole; 4. an electric push rod; 5. a limiting rod A; 6. a limiting rod B; 7. an adjusting plate; 8. an adjusting seat; 9. a threaded rod; 10. rotating the block; 11. a hand wheel; 12. a limiting plate B; 1201. a card slot; 13. a non-slip mat.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

sample fixture for pressure vessel impact test, including base 1, bottom surface fixedly connected with limiting plate A2 in the base 1, limiting plate A2 top is equipped with

lifter plate

3, 3 top surface middle part fixedly connected with electric putter 4 of lifter plate, 4 top surfaces of electric putter are connected fixedly with

base

1, 3 bottom surfaces of lifter plate are bilateral symmetry structure and are equipped with two regulating

plates

7, 7 outer end top surfaces of regulating plate articulate has regulation seat 8, it is connected with threaded rod 9 to adjust 8 top surfaces rotation, 9 upper portion threaded connection of threaded rod has turning

block

10, 9 upper ends of threaded rod pass lifter plate 3 and extend to upside and fixedly connected with

hand wheel

11, 7 bottom surfaces of regulating plate are that the equidistant articulates of ring type has a plurality of limiting plate B12, limiting plate B12 lower extreme inlays and is equipped with slipmat 13. The utility model discloses a driving lifter plate 3 descends when electric putter 4 extends, lifter plate 3 drives and descends with regulating plate 7 articulated limiting plate B12 for slipmat 13 and the pressure vessel outer wall of limiting plate B12 lower extreme closely laminate, drive threaded rod 9 through rotating hand wheel 11 and go up and down, and threaded rod 9 drives regulating plate 7 and rotates, makes the interval between two regulating plate 7 outer ends adjustable, thereby makes limiting plate B12 can laminate with unidimensional pressure vessel.

Specifically, the corners of the top surface of the lifting plate 3 are fixedly connected with a limiting rod A5, and a limiting rod B6, which is connected with the upper part of the limiting rod A5 in a sliding manner, is fixedly connected with the base 1.

Furthermore, the adjusting plate 7 is of an arc structure, and the inner end of the adjusting plate 7 is hinged with the lifting plate 3.

Still further, through-hole 301 has all been seted up to lifter plate 3 left and right ends, and turning block 10 front and back end all with through-hole 301 sliding connection.

Furthermore, the limiting plate B12 is in an arc structure, and the clamping groove 1201 formed at the lower end of the limiting plate B12 is in clamping fit with the non-slip mat 13.

The working principle is as follows: the utility model provides an electric putter 4 is connected with external control mechanism, when using, place steadily in ground through two the same this devices, place pressure vessel on limiting plate A2, rotate hand wheel 11, hand wheel 11 drives threaded rod 9 and descends on turning

block

10, 9 lower extremes of threaded rod drive regulating plate 7 rotations through adjusting seat 8 drive, make the interval between two 7 outer ends of regulating plate diminish, drive lifter plate 3 and descend when extending through electric putter 4, lifter plate 3 drives and 7 articulated limiting plate B12 of regulating plate descend, make slipmat 13 and the pressure vessel outer wall of limiting plate B12 lower extreme closely laminate, thereby it is fixed to carry out the centre gripping with pressure vessel, convenient the detection.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Sample fixture for pressure vessel impact test, including base (1), its characterized in that: a limiting plate A (2) is fixedly connected to the inner bottom surface of the base (1), a lifting plate (3) is arranged above the limiting plate A (2), the middle part of the top surface of the lifting plate (3) is fixedly connected with an electric push rod (4), the top surface of the electric push rod (4) is fixedly connected with the base (1), the bottom surface of the lifting plate (3) is provided with two adjusting plates (7) in a bilateral symmetry structure, the top surface of the outer end of the adjusting plate (7) is hinged with an adjusting seat (8), the top surface of the adjusting seat (8) is rotatably connected with a threaded rod (9), the upper part of the threaded rod (9) is in threaded connection with a rotating block (10), the upper end of the threaded rod (9) penetrates through the lifting plate (3) to extend to the upper side and is fixedly connected with a hand wheel (11), the bottom surface of the adjusting plate (7) is in an annular shape and is hinged with a plurality of limiting plates B (12) at equal intervals, and anti-skid pads (13) are embedded at the lower ends of the limiting plates B (12).

2. The specimen holder mechanism for impact test on a pressure vessel according to claim 1, characterized in that: the lifting plate is characterized in that the top surface corners of the lifting plate (3) are fixedly connected with a limiting rod A (5), and a limiting rod B (6) which is connected with the limiting rod A (5) in a sliding mode is fixedly connected with the base (1).

3. The specimen holder mechanism for impact test on a pressure vessel according to claim 1, characterized in that: the adjusting plate (7) is of an arc-shaped structure, and the inner end of the adjusting plate (7) is hinged to the lifting plate (3).

4. The specimen holder mechanism for impact test on a pressure vessel according to claim 1, characterized in that: through-hole (301) have all been seted up to lifter plate (3) left and right ends, turning block (10) front and back end all with through-hole (301) sliding connection.

5. The specimen holder mechanism for impact test on a pressure vessel according to claim 1, characterized in that: the limiting plate B (12) is of an arc-shaped structure, and a clamping groove (1201) formed in the lower end of the limiting plate B (12) is in clamping fit with the anti-skid pad (13).