CN213596349U

CN213596349U - Ultrasonic wave strengthening stress relieving equipment

Info

Publication number: CN213596349U
Application number: CN202021898055.6U
Authority: CN
Inventors: 宋新宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-07-02
Anticipated expiration: 2030-09-02

Abstract

The utility model provides an ultrasonic wave reinforces stress relief equipment, include: the control box is a metal box body; the impact gun is connected with the control box through a lead; a circular positioning device, the circular positioning device comprising: the annular base is sleeved on the round workpiece to be processed; the rotary outer ring is sleeved on the annular base and is in rotary connection with the annular base; the speed reducing motor is fixed on the annular base, and a gear is fixed on an output shaft of the speed reducing motor; the annular inner gear is fixedly connected with the rotating outer ring, and the inner teeth are meshed with the gear; the flexible fixing piece is arranged into a circular cylinder, one end of the flexible fixing piece is connected with the rotating outer ring, and the other end of the flexible fixing piece is fixedly provided with the impact gun; the fixing frame is arranged on the outer side of the circumference of the rotating outer ring, and the control box is arranged on the fixing frame.

Description

Ultrasonic wave strengthening stress relieving equipment

Technical Field

The utility model belongs to the technical field of the ultrasonic wave, concretely relates to stress relief equipment is reinforceed to ultrasonic wave.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The ultrasonic welding seam processing equipment is mainly used for eliminating internal stress generated by a welding process and weld toe surface defects; deformation or cracking of the workpiece caused by stress release is prevented, and crack initiation can be inhibited; the yield strength and the fatigue life of the welding line are improved, and the surface hardness is increased; tests prove that the stress elimination rate of the workpiece treated by the ultrasonic impact stress elimination equipment can reach more than 80 percent, and the deformation phenomenon of the workpiece caused by stress concentration is thoroughly improved. And fatigue life may also rise by an order of magnitude.

The ultrasonic stress relief device is characterized in that high-power ultrasonic waves are utilized to impact the surface of a metal object, and the metal surface layer generates larger compression-plastic deformation due to the energy of the ultrasonic waves under high-frequency and high-efficiency focusing; the fatigue life and the fatigue strength of the welding joint can be obviously improved; the weld toe part is processed after welding to enable the weld toe part to be in smooth transition, so that stress concentration caused by excess height is reduced, the defects on the surface of the weld toe are eliminated, meanwhile, large compression plastic deformation is generated at the weld toe part, residual compression stress is generated, a welding residual stress field is adjusted, and the weld toe part is strengthened and hardened.

At present, when stress is eliminated on welding seams on workpieces such as pipelines, cylindrical boilers, cylindrical reaction tanks and the like, the mode is adopted that an operator holds an impact gun handle of ultrasonic stress eliminating equipment, an impact head of an impact gun is aligned to the surface of the welding seam to be processed, and construction operation is carried out basically vertical to the surface of the welding seam; such a manual operation mode for an operator has problems of low working efficiency, uneven applied impact force, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ultrasonic intensified stress relief device for solving the above problems, which improves the existing ultrasonic intensified stress relief device, and installs the control box and the impact gun of the existing device on the circular positioning device by adding the circular positioning device; through gear and the meshing transmission of annular internal gear on the circular positioner, drive the control box and strike the rifle around waiting to handle ascending removal of piece circumferencial direction to the realization strikes the rifle and to the automatic operation of circular waiting to handle the surface, it is even to apply the impact force when strikeing the rifle operation, has replaced the handheld rifle operation of strikeing of operating personnel, has improved work efficiency.

According to some embodiments, the utility model discloses a scheme provides an ultrasonic wave reinforces elimination stress equipment, adopts following technical scheme:

an ultrasonic enhanced stress relief apparatus comprising:

the control box is a metal box body;

the impact gun is connected with the control box through a lead;

a circular positioning device, the circular positioning device comprising: the annular base is sleeved on the round workpiece to be processed; the rotary outer ring is sleeved on the annular base and is in rotary connection with the annular base; the speed reducing motor is fixed on the annular base, and a gear is fixed on an output shaft of the speed reducing motor; the annular inner gear is fixedly connected with the rotating outer ring, and the inner teeth are meshed with the gear; the flexible fixing piece is arranged into a circular cylinder, one end of the flexible fixing piece is connected with the rotating outer ring, and the other end of the flexible fixing piece is fixedly provided with the impact gun; the fixing frame is arranged on the outer side of the circumference of the rotating outer ring, and the control box is arranged on the fixing frame.

Furthermore, a power supply is arranged inside the control box, and a switch is arranged outside the control box.

Furthermore, strike the rifle and include strike rifle body, handle and strike the head, strike the head and be located the one end that strikes the body, the handle is located the other end that strikes the head.

Furthermore, a plurality of fixing holes are uniformly formed in the circumferential direction of the inner side of the annular base.

Furthermore, a clamping pin is arranged in the fixing hole, and the annular base can hold the round workpiece tightly by screwing the clamping pin in the fixing hole.

Further, the width of the ring-shaped inner gear is larger than the width of the rotating outer ring.

Further, the flexible fixing member may be configured as a spring or an elastic metal cylinder.

Further, the impact gun is fixed on the flexible piece through an annular buckle.

Furthermore, the control box is fixed on the fixing frame through welding or threaded connection.

Furthermore, the circular positioning device also comprises a double-row bearing, and the double-row bearing is arranged between the annular base and the rotating outer ring; the double-row bearing is fixedly connected with the rotating outer ring and sleeved on the annular base.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model arranges the circular positioning device, and the control box and the impact gun of the existing equipment are arranged on the circular positioning device; through gear and the meshing transmission of annular internal gear on the circular positioner, drive control box and impact the rifle around pending work piece, especially the ascending removal in large-scale circular equipment circumferencial direction to the realization strikes the rifle and to the automatic operation of circular pending surface, it is even to apply the impact force when strikeing the rifle operation, has replaced the handheld rifle operation of strikeing of operating personnel, has improved work efficiency.

The utility model discloses an improvement of going on current ultrasonic wave intensification stress relief equipment basis, make full use of current resource, simultaneously, according to operation environment and the object of difference, can also buckle the free dismantlement of going up at the annular through strikeing the rifle, realize switching at any time of automatic and manual work, the practicality is stronger.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic structural view in embodiment 1 of the present invention;

fig. 2 is a front view of embodiment 1 of the present invention;

fig. 3 is a side view in embodiment 1 of the present invention;

fig. 4 is a schematic view of the transmission according to embodiment 1 of the present invention.

In the figure, 1, a control box, 2, an impact gun, 201, an impact gun body, 202, a handle, 203, an impact head, 3, a circular positioning device, 301, an annular base, 302, a rotating outer ring, 303, a speed reducing motor, 304, a gear, 305, an annular inner gear, 306, a flexible fixing part, 307, a fixing frame, 308, a double-row bearing, 4, a clamping pin, 5, an annular clamping buckle, 6 and a circular workpiece.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present invention, the indicated position or positional relationship is based on the position or positional relationship shown in the drawings, and the relation term determined for the convenience of describing the structural relationship of each component or element of the present invention is not specifically referred to, and any component or element in the present invention cannot be understood as limiting the present invention.

In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be fixedly connected, or may be integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 and 3, an ultrasonic wave enhanced stress relief apparatus provided in embodiment 1 of the present application includes: the device comprises a control box 1, an impact gun 2 and a circular positioning device 3; the circular positioning device comprises: the device comprises a ring base 301, a rotating outer ring 302, a speed reducing motor 303, a gear 304, a ring inner gear 305, a flexible fixing piece 306, a fixing frame 307 and a double-row bearing 308. The annular base 301 is sleeved on the circular workpiece. The rotating outer ring 302 is sleeved on the annular base 301 and can rotate relative to the annular base 301. The speed reducing motor 303 is fixed on the annular base 301, and a gear 304 is fixed on an output shaft of the speed reducing motor 303. The outer ring of the ring inner gear 305 is fixedly connected to the rotating outer ring 302 and the inner teeth mesh with the gear 304. The reduction motor 303 is arranged along the axial direction of the annular base 301; the ring gear 305 is coaxially arranged side by side with the ring housing 301. Wherein, the gear motor 303 works to drive the annular inner gear 305 to rotate through the gear 304; the ring gear 305 rotates the rotating outer ring 302.

The impact gun 2 is arranged on the rotating outer ring 302 through a flexible fixing piece 306; the impact gun 2 includes:

impact gun body

201, 202 handle and impact head 203. When the rotating outer ring 302 rotates, the impact gun 2 is driven to rotate, and the impact head 203 which is positioned in advance realizes automatic operation on the welding seam of the workpiece.

A plurality of fixing holes are uniformly formed in the circumferential direction of the inner side of the annular base 301, bayonet pins 4 are arranged in the fixing holes, and the annular base 301 can hold round workpieces tightly by screwing the bayonet pins in the fixing holes.

One end of the flexible fixing piece 306 is connected with the rotating outer ring 302, and the impact gun 2 is fixed at the other end; the flexible mount 306 is configured as a spring in this embodiment; in the operation process of the impact gun 2, the flexible fixing piece 306 is used for buffering the vibration, so that the damage to parts or parts joints caused by the vibration is avoided.

The working principle of the ultrasonic wave reinforced stress relief device and the operation characteristics of each component provided by the application are explained by the following specific embodiments:

the ultrasonic strengthening stress relief device is sleeved on the outer circular surface of the circular workpiece 6, the device is fixed on the outer circular surface of the workpiece through the clamping pin, and the position of the device is adjusted to meet the requirement, so that the impact head 202 is positioned at the welding seam.

The gear 304 is directly driven by the starting of the speed reducing motor 303, the annular inner gear 305, the rotating outer ring 302 and the impact gun 2 are driven by the gear 304 to rotate together, meanwhile, a switch on the control box 1 is turned on, and the impact gun 2 starts to work and finishes the operation of eliminating stress on a welding seam of a workpiece.

The principle of the ultrasonic wave strengthening stress relief device is used for performing uniform-speed and college operation on the circular workpiece, the traditional manual handheld impact gun operation mode is replaced, and the work efficiency and the stress relief quality are greatly improved.

One or more technical solutions provided in the present application have at least the following technical effects or advantages:

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. An ultrasonic enhanced stress relief apparatus comprising:

the control box is a metal box body;

the impact gun is connected with the control box through a lead;

a circular positioning device, the circular positioning device comprising: the annular base is sleeved on the round workpiece to be processed; the rotary outer ring is sleeved on the annular base and is rotationally connected with the annular base; the speed reducing motor is fixed on the annular base, and a gear is fixed on an output shaft of the speed reducing motor; the annular inner gear is fixedly connected with the rotating outer ring, and the inner teeth are meshed with the gear; the flexible fixing piece is arranged into a circular cylinder, one end of the flexible fixing piece is connected with the rotating outer ring, and the other end of the flexible fixing piece is fixedly provided with the impact gun; the fixing frame is arranged on the outer side of the circumference of the rotating outer ring, and the control box is arranged on the fixing frame.

2. The ultrasonic enhanced stress relief apparatus as claimed in claim 1, wherein a power supply is provided inside the control box, and a switch is provided outside the control box.

3. The ultrasonic enhanced stress relief apparatus of claim 1, wherein the impact gun comprises an impact gun body, a handle and an impact head, the impact head is located at one end of the impact body, and the handle is located at the other end of the impact head.

4. The apparatus of claim 1, wherein the annular housing has a plurality of fastening holes uniformly formed in a circumferential direction of an inner side thereof.

5. An ultrasonically enhanced stress relief device as claimed in claim 4, wherein a detent is provided in said retention hole.

6. An ultrasonically enhanced stress relief apparatus of claim 1, wherein the width of said annular inner gear is greater than the width of said rotating outer ring.

7. The apparatus of claim 1, wherein the flexible fastener is configured as a spring or a resilient metal cylinder.

8. An ultrasonically enhanced stress relief device of claim 7, wherein said impact gun is secured to said flexible member by an annular snap fit.

9. The apparatus of claim 1, wherein the control box is fixed to the fixing frame by welding or screwing.

10. The apparatus according to claim 1, wherein the circular positioning device further comprises a double bearing, the double bearing being disposed between the annular housing and the rotating outer ring; the double-row bearing is fixedly connected with the rotating outer ring and sleeved on the annular base.