CN208869625U - A kind of vibration stress relief treatment special stand - Google Patents

Abstract

A kind of vibration stress relief treatment special stand, structure include several resilient support assemblies that pedestal, support and setting on the base flexibly support the support；The resilient support assemblies include double threaded screw, pressure spring, sleeve and guide sleeve；The upper end of the double threaded screw is fixedly connected on the support by end nut, the core pipe of the sleeve is stuck on the convex shoulder being set on the stud body of rod, and the fastening for passing through end nut, the sleeve is fixed on to the bottom surface of support, the guide sleeve is fixedly connected on the lower end of double threaded screw, guide sleeve lower part support is in the bar shape trench hole outputed on the base, the pressure spring is socketed in the middle section of the double threaded screw, the upper end is withstood on the top cover of the sleeve, and lower end is pressed on the guide sleeve.The utility model structure is simple, can guarantee stability of strutting system when ageing treatment, and be suitable for workpiece of different shapes.

Description

A kind of vibration stress relief treatment special stand

Technical field

The utility model relates to a kind of oscillating aging equipment, specifically a kind of vibration stress relief treatment special stand.

Background technique

In process, inside will appear residual stress to metal material workpiece, if at not to these residual stress Reason then will lead to workpiece and discharge residual stress in use and deform, and the mechanical performance and reliability to workpiece generate not Benefit influences.

The residual stress processing method mainly used in production operation at present mainly has at heat aging processing and oscillating aging Two kinds of reason.Relative to heat aging processing for, Vibration Aging Process with its environment-friendly high-efficiency and it is low in cost the advantages that and it is extensive Using and be able to fast development.Vibration stress relief treatment is applied by way of vibration to workpiece using vibratory equipment (vibration excitor) One dynamic stress, when meeting or exceeding the yield limit of material after dynamic stress is superimposed with the residual stress of workpiece itself, workpiece Plastic deformation partly or wholly can be generated, while reducing and being homogenized the residual stress of inside workpiece, being finally reached prevents workpiece The purpose of deformation and cracking.Main implementation method is to be fixed on vibration excitor on workpiece using rigid connection, and workpiece is put Set on the elastomeric objects supporting surface such as valve rubber, started by controller and vibration excitor and adjust its vibration frequency, make vibration excitor with Workpiece is in resonance state, by the vibration processing of time rating to achieve the purpose that adjust residual stress.

Generally in vibration stress relief treatment, waste tire or valve rubber etc. is mostly used to prop up as resilient support workpiece Support, this simple support can have that support is unstable, resilient support effect is bad when in use, so as to cause being easy There is a situation where fictitious time effect, mistakes and imitate.

Utility model content

The purpose of this utility model is just to provide a kind of vibration stress relief treatment special stand, to solve prior art elasticity branch Support the bad problem of effect.

The utility model is realized in this way: a kind of vibration stress relief treatment special stand, including pedestal, support and setting Several resilient support assemblies that the support is flexibly supported on the base；The resilient support assemblies include double end Screw rod, pressure spring, sleeve and guide sleeve；The upper end of the double threaded screw is fixedly connected on the support by end nut, described The core pipe of sleeve is stuck on the convex shoulder being set on the stud body of rod, and by the fastening of end nut, the sleeve is consolidated It is scheduled on the bottom surface of support, the guide sleeve is fixedly connected on the lower end of double threaded screw, and guide sleeve lower part support is being opened on the base In bar shape trench hole out, the pressure spring is socketed in the middle section of the double threaded screw, and pressure spring upper end is withstood on the top cover of the sleeve, Pressure spring lower end is pressed on the guide sleeve.

The both ends of the double threaded screw are equipped with thread segment, are one section for installing the sleeve in the lower part of threaded upper ends section With the prism section of the support, it is not less than the prism section circumscribed circle diameter between the prism and lower thread section for diameter Cylindrical section.

The pedestal includes horizontal pedestal lower plate, the rib for base for being perpendicularly fixed at the pedestal lower plate and is fixed on Pedestal upper plate at the top of the floor is provided with the bar shaped for installing the guide sleeve along its length on the base on plate Slot.

The bar shape trench hole is up big and down small T-slot.

The bar shape trench hole has one, or several for having that notch center line is parallel to each other.

The periphery of the guide sleeve is up big and down small stepped periphery.

The support includes support lower plate, the support floor being perpendicularly fixed in the support lower plate and is fixed on described Support upper plate on support floor is provided with several for wearing the through-hole for connecing the double threaded screw in the support lower plate.

The size and shape of the support can be replaced according to the size and shape of workpiece.

By including that the resilient supporting unit of pressure spring connects between the pedestal and support of the utility model, when use, applies on the support If workpiece, is then placed on the utility model by rubber pad or old tire, the pressure spring of resilient supporting unit with workpiece vibration Dynamic that elastic deformation occurs, bolt moves up and down in guide sleeve, and workpiece and vibration excitor can be made to be in stable resonance state.And Support can be replaced according to the shape of workpiece, and the utility model is made to have stronger versatility.

The utility model structure is simple, can guarantee stability of strutting system when ageing treatment, and be suitable for different shape Workpiece.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the A-A direction view of Fig. 1.

Fig. 3 is the structural schematic diagram of the utility model double threaded screw.

In figure: 1, pedestal, 2, resilient supporting unit, 3, support, 4, pedestal lower plate, 5, rib for base, 6, pedestal upper plate, 7, Guide sleeve, 8, pressure spring, 9, double threaded screw, 10, sleeve, the 11, first nut, the 12, second nut, 13, support lower plate, 14, support rib Plate, 15, support upper plate, 16, bar shape trench hole, 9-1, thread segment, 9-2, prism section, 9-3, cylindrical section.

Specific embodiment

As shown in Figure 1, the utility model includes pedestal 1, the resilient supporting unit being mounted on pedestal 12 and is mounted on Support 3 on resilient supporting unit 2.In the plane, support 3 is used to place workpiece for the placement that pedestal 1 can make the present apparatus stable, It is connected between pedestal 1 and support 3 by resilient supporting unit 2, so that support 3 is moved up and down, when the work being placed on support 3 When part is vibrated with vibration excitor, resilient supporting unit 2 and support 3 also with vibration excitor together with vibrate, reach reliable resonance effect, it is real Existing vibration stress relief treatment.

Pedestal 1 includes horizontal pedestal lower plate 4, is perpendicularly fixed at the rib for base 5 of pedestal lower plate 4 and is fixed on pedestal The pedestal upper plate 6 at 5 top of floor.Wherein pedestal lower plate 4 be slightly larger than pedestal upper plate 6, enable pedestal 1 it is more stable be placed on it is flat On face.Rib for base 5 is interlaced vertical floor, and reserves when rib for base 5 is arranged and accommodate resilient supporting unit 2 The space of lower end.It is provided with the bar shape trench hole 16 for installing resilient supporting unit 2 along its length on pedestal upper plate 6.Its Middle bar shape trench hole 16 is up big and down small T-slot, is moved down to limit the guide sleeve 7 being mounted in bar shape trench hole 16.Bar shaped Slot 16 has one or more, when there is multiple bar shape trench holes 16, is parallel to each other between the notch center line of bar shape trench hole 16.Item Shape slot 16 can also adjust the horizontal position of resilient supporting unit 2 other than easy to process according to the actual situation during installation, The utility model is set to can satisfy the requirement at scene.

Resilient supporting unit 2 includes double threaded screw 9, pressure spring 8, sleeve 10 and guide sleeve 7.The core pipe of sleeve 10, which is stuck in, to be set to On convex shoulder on 9 body of rod of stud bar, guide sleeve 7 is fixedly connected on the lower end of double threaded screw 9, and pressure spring 8 is socketed in double threaded screw 9 Middle section, the upper end withstands on the top cover of sleeve 10, and lower end is pressed on guide sleeve 7.The periphery of guide sleeve 7 is up big and down small rank Ladder type periphery, guide sleeve 7 are placed in the T-bar shape slot 16 of pedestal upper plate 6, and bar shape trench hole 16 limits guide sleeve 7 and moves down, Two opposite planes can be also set on the biggish periphery of guide sleeve 7, to limit axis rotation of the guide sleeve 7 along its own.Set The lower end of cylinder 10 is equipped with annular groove, for accommodating the upper end of pressure spring 8, so that the movement in the horizontal direction of pressure spring 8 is limited, in order to more The movement of good limitation 8 horizontal direction of pressure spring can also fix a Duan Yuanguan in the upper end of guide sleeve 7, limit the level of 8 lower end of pressure spring It is mobile.Wherein the both ends of double threaded screw 9 are equipped with thread segment 9-1, are one section of prism section 9-2 in the lower part of threaded upper ends section 9-1, It is as shown in Figure 3 for cylindrical section 9-3(between prism section 9-2 and lower thread section 9-1).The diameter of cylindrical section 9-3 is not less than prism The external diameter of a circle of section 9-2 forms convex shoulder, the cross sectional shape of prism section 9-2 in cylindrical section 9-3 and prism section 9-2 intersection Consistent with the shape of through holes of sleeve 10, the cross sectional shape of prism section 9-2 can be triangle, rectangle or other polygons.Sleeve 10 are socketed on prism section 9-2, and the length of prism section 9-2 is greater than the length of sleeve 10, sleeve 10 can not with double threaded screw 9 it Between produce relative rotation, and there are step surfaces for the intersection of cylindrical section 9-3 and prism section 9-2, limit sleeve 10 along prism Section 9-2 is moved down.Support 3 is installed on the prism section 9-2 of double threaded screw 9, be screwed on the second spiral shell on the thread segment 9-1 of upper end Mother 12, so that support 3, double threaded screw 9 and sleeve 10 is fixed together, when support 3 when the vibrations are up and down, drive double threaded screw 9 with And sleeve 10 vibrates up and down together, the cylindrical section 9-3 of double threaded screw 9 is moved up and down in guide sleeve 7.Sleeve 10 passes to vibration Pressure spring 8, under the action of pressure spring 8, support 3 and workpiece can guarantee to generate preferable resonance effect with vibration excitor.

Support 3 includes support lower plate 13, the support floor 14 being perpendicularly fixed in support lower plate 13 and is fixed on support Support upper plate 15 on floor 14.Wherein support floor 14 is interlaced floor, and fixed pressure is reserved between floor The position of spring support device 2.It is provided in support lower plate 13 for wearing the through-hole for connecing double threaded screw 9, the shape and double end of through-hole The cross sectional shape of 9 prism section 9-2 of screw rod is consistent, and the upper-end part of driving of prism section 9-2 makes double end spiral shell in the through-hole of support lower plate 13 Bar 9 can not be around its axis rotation.

Multiple pressure spring support devices 2 are installed on pedestal 1, pressure spring support device 2 is evenly distributed on bar shape trench hole 16, And the through-hole of respective numbers is provided in support lower plate 13, multiple pressure spring support devices 2 can enhance the branch of the utility model Support ability keeps the utility model more stable.The support 3 of the utility model can be carried out according to the true form and size of workpiece Replacement, when workpiece is the shells such as boiler, selecting support upper plate 15 is the support 3 of arc, when workpiece is bracket or supporting surface is When plane, selecting support upper plate 15 is the support 3 of plane.

When arranging the utility model, it is placed on after the utility model is assembled on horizontal firm ground, according to workpiece Size shape arranged in multiple supporting points, at least place two the utility model, and select the support 3 of suitable shape, to protect The stability of workpiece when card uses.It needs to be screwed on upper first in the lower end of double threaded screw 9 when assembling and transporting and hoisting are arranged Nut 11 needs to remove on the first nut 11, to guarantee 9 energy of double threaded screw after workpiece places, before opening vibration excitor It is enough freely to be moved up and down in sliding sleeve 10.By including that the resilient support of pressure spring 8 fills between the pedestal 1 and support 3 of the utility model Set 2 connections, when use lays rubber pad or old tire on support 3, then workpiece is placed on the utility model, elasticity branch With the vibration of workpiece elastic deformation occurs for the pressure spring 8 of support arrangement 2, and double threaded screw 9 moves up and down in guide sleeve 7, can make work Part and vibration excitor are in stable resonance state.And support 3 can be replaced according to the shape of workpiece, have the utility model There is stronger versatility.

Claims (8)

1. a kind of vibration stress relief treatment special stand, which is characterized in that right on the base including pedestal, support and setting Several resilient support assemblies that the support is flexibly supported；The resilient support assemblies include double threaded screw, pressure spring, sleeve And guide sleeve；The upper end of the double threaded screw is fixedly connected on the support by end nut, and the core pipe of the sleeve is stuck in It is set on the convex shoulder on the stud body of rod, and by the fastening of end nut, the sleeve is fixed on to the bottom surface of support, The guide sleeve is fixedly connected on the lower end of double threaded screw, in the bar shape trench hole that guide sleeve lower part support is outputed on the base, institute The middle section that pressure spring is socketed in the double threaded screw is stated, pressure spring upper end is withstood on the top cover of the sleeve, and pressure spring lower end is pressed in described On guide sleeve.

2. vibration stress relief treatment special stand according to claim 1, which is characterized in that the both ends of the double threaded screw are set There is thread segment, is one section for installing the prism section of the sleeve Yu the support in the lower part of threaded upper ends section, in the rib It is not less than the cylindrical section of the prism section circumscribed circle diameter between column and lower thread section for diameter.

3. vibration stress relief treatment special stand according to claim 1, which is characterized in that the pedestal includes horizontal bottom Seat lower plate, the pedestal upper plate that is perpendicularly fixed at the rib for base of the pedestal lower plate and is fixed at the top of the floor, in institute State the bar shape trench hole being provided with along its length on pedestal upper plate for installing the guide sleeve.

4. vibration stress relief treatment special stand according to claim 3, which is characterized in that the bar shape trench hole be it is upper it is big under Small T-slot.

5. vibration stress relief treatment special stand according to claim 3, which is characterized in that the bar shape trench hole has one, Or several for having that notch center line is parallel to each other.

6. vibration stress relief treatment special stand according to claim 1, which is characterized in that the periphery of the guide sleeve is upper Small stepped periphery under big.

7. vibration stress relief treatment special stand according to claim 1, which is characterized in that the support includes under support Plate, the support floor being perpendicularly fixed in the support lower plate and the support upper plate being fixed on the support floor, in institute State be provided in support lower plate it is several for wearing the through-hole for connecing the double threaded screw.

8. vibration stress relief treatment special stand according to claim 7, which is characterized in that the size and shape of the support Shape can be replaced according to the size and shape of workpiece.