CN210254824U

CN210254824U - A kind of anti-deformation clamping device for surfacing welding of tube sheet

Info

Publication number: CN210254824U
Application number: CN201920756064.2U
Authority: CN
Inventors: 张铁军
Original assignee: Chongqing University of Arts and Sciences
Current assignee: Chongqing University of Arts and Sciences
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-04-07
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses an anti-deformation clamping device for surfacing welding of a tube sheet, which comprises a base and two support plates. The top outer walls of the two support plates are both provided with limit frames, and the top inner walls and the bottom inner walls of the limit frames are provided with limit frames. They are all provided with fixing components, one side outer wall of the limit frame is provided with air holes at equal distances, the top outer wall of the base is provided with four No. 2 electric telescopic rods, and the top outer walls of the four No. A fixed plate, the fixed plate is located between the two fixed components, the top outer wall of the fixed plate is provided with shock-absorbing springs at equal distances, and the top outer wall of the shock-absorbing spring is provided with the same limit plate. The utility model is provided with a damping spring, the damping spring is located between the fixed plate and the limit plate, when the surfacing welding is performed, the vibration generated by the surfacing welding is reduced by the damping spring, so as to maintain the stability of the clamping device, and also It can avoid the generation of vibration noise and avoid the impact of noise on the staff.

Description

Pipe plate surfacing anti-deformation clamping device

Technical Field

The utility model relates to a tube sheet processing technology field especially relates to a tube sheet build-up welding shape clamping device of preapring for an unfavorable turn of events.

Background

The tube plate is a round steel bar which is drilled with holes slightly larger than the outer diameter of the tube and plays a role in fixing the tube and sealing media in the heat exchanger. The pipe is penetrated and welded to be fixed, and a fitting which plays a role in this way needs to be fixed by a clamping device when the existing pipe plate is welded.

Through retrieval, the patent with the Chinese patent application number of CN201820597656.X discloses a tube plate surfacing deformation-preventing clamping device, which comprises a fixed clamping body and a movable clamping body. The clamping device in the above patent has the following disadvantages: when the surfacing of tube sheet is carried out in the comparison file, carry out the compressing tightly of two tube sheets through locking screw from top to bottom, but when the surfacing, do not set up the equipment of preapring for an unfavorable turn of events, cause the tube sheet to warp when the surfacing easily to reduce the use value of this tube sheet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tube plate overlaying anti-deformation clamping device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a tube sheet build-up welding preapre for an unfavorable turn of events shape clamping device, includes base and two backup pads, two the top outer wall of backup pad all is equipped with spacing frame, and the top inner wall and the bottom inner wall of spacing frame all are equipped with fixed subassembly, and one side outer wall equidistance of spacing frame is opened there is the wind hole, the top outer wall of base is equipped with four electric telescopic handle No. two, and four electric telescopic handle's No. two top outer walls are equipped with same fixed plate, and the fixed plate is located between two fixed subassemblies, the top outer wall equidistance of fixed plate is equipped with damping spring, and damping spring's top outer.

Further, fixed subassembly includes electric telescopic handle and pressure strip No. two, and electric telescopic handle all locates the inner wall of spacing frame No. two, and the other end of electric telescopic handle is located to the pressure strip No. two.

Furthermore, the top outer wall of base is opened there are four spouts, and the inner wall of four spouts all is equipped with the slider.

Furthermore, the other ends of the two sliding blocks are connected with the outer wall of the bottom of the same supporting plate.

And furthermore, four electric push rods are arranged on the outer wall of one side of each sliding block, and the inner wall of one side of each sliding groove is arranged at the other end of each electric push rod.

Furthermore, the four corners of the outer wall of the top of the base are provided with support rods, the outer wall of the top of each support rod is provided with a same storage plate, the outer wall of the top of each storage plate is provided with a fan, and the air holes are aligned to the air openings of the fans.

The utility model has the advantages that:

1. through being provided with No. two electric telescopic handle, fixed plate and limiting plate, when carrying out the build-up welding of tube sheet, the limiting plate contacts with the bottom of tube sheet under No. two electric telescopic handle's regulation for the condition that the tube sheet can not appear warping at the build-up welding in-process.

2. Through being provided with spout and slider, the backup pad welds on the slider, can carry out the distance between two fixed subassemblies according to the length of tube sheet and adjust, increases this clamping device's application scope.

3. Through being provided with damping spring, damping spring is located between fixed plate and the limiting plate, when carrying out the build-up welding, reduces the vibration that the build-up welding produced through damping spring to keep clamping device's stability, also can avoid the production of vibration noise simultaneously, avoid the noise to cause the influence to the staff.

4. Through being provided with the bracing piece, putting thing board and fan, the tube sheet temperature after the build-up welding is higher, should not remove it, and removes to have the potential safety hazard, and the wind-force that sends through the fan sees through the wind gap and cools down the processing to it, and convenient subsequent transfer is safe high-efficient.

Drawings

Fig. 1 is a schematic structural view of a pipe plate overlaying deformation-preventing clamping device provided in embodiment 1;

FIG. 2 is a structural side view of a tube sheet build-up welding deformation-preventing clamping device provided in embodiment 1;

fig. 3 is a schematic structural view of a tube sheet stack welding deformation-preventing clamping device provided in embodiment 2.

In the figure: the device comprises a base 1, an electric push rod 2, a support plate 3, a wind hole 4, a limiting frame 5, a fixing plate 6, a limiting plate 7, a damping spring 8, a pressing plate 9, an electric telescopic rod 10, an electric telescopic rod 11, an electric telescopic rod II, a sliding groove 12, a sliding block 13, a fan 14, a storage plate 15 and a support rod 16.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a pipe sheet build-up welding anti-deformation clamping device, including base 1 and two backup pads 3, spacing frame 5 has all been welded to the top outer wall of two backup pads 3, and the top inner wall and the bottom inner wall of spacing frame 5 all are equipped with fixed subassembly, one side outer wall equidistance of spacing frame 5 is opened there is wind hole 4, base 1's top outer wall has four electric telescopic handle 11 No. two through the fix with screw, and four electric telescopic handle 11's top outer wall has same fixed plate 6 through the fix with screw, fixed plate 6 is located between two fixed subassemblies, the top outer wall equidistance of fixed plate 6 is equipped with damping spring 8, and damping spring 8's top outer wall is equipped with same limiting plate 7.

Wherein, fixed subassembly includes two electric telescopic handle 10 and pressure strip 9, and two electric telescopic handle 10 all are fixed in the inner wall of spacing frame 5 through the fix with screw, and pressure strip 9 passes through the fix with screw the other end of two electric telescopic handle 10, and fixed subassembly is used for compressing tightly two tube sheets, avoids its not hard up condition to appear when the build-up welding.

Wherein, the top outer wall of base 1 is opened there are four spouts 12, and the equal sliding connection of inner wall of four spouts 12 has slider 13, the other end of two sliders 13 is connected in the bottom outer wall of same backup pad 3, one side outer wall of four sliders 13 all has electric putter 2 through the fix with screw, and electric putter 2's the other end all is through one side inner wall of fix with screw in spout 12, adjust the position of backup pad 3 through electric putter 2, thereby accomplish the position control of fixed subassembly, make it can be applicable to the tube sheet of different specifications.

The working principle is as follows: during the use, carry out the distance adjustment between two fixed subassemblies according to the length of tube sheet, start electric putter 2, electric putter 2 promotes slider 13 and slides in spout 12, thereby drive backup pad 3 and carry out the offset, and then accomplish the position control of fixed subassembly, then place two tube sheets in the pressure strip 9 on fixed subassembly, adjust electric telescopic handle 10 and lock it, the in-process of carrying out the build-up welding, adjust No. two electric telescopic handle 11 and make the bottom of limiting plate 7 and tube sheet contact, the vibration that produces during the build-up welding drops to minimumly under damping spring 8's effect, thereby avoid the production of vibration noise, holding device's stability.

Example 2

Referring to fig. 3, a tube sheet overlaying deformation-preventing clamping device, compare in embodiment 1, bracing piece 16 has all been welded in base 1's top outer wall four corners, and the welding of the top outer wall of per two bracing pieces 16 has same thing board 15 of putting, the top outer wall of putting thing board 15 has fan 14 through the fix with screw, wind hole 4 is aimed at in the wind gap of fan 14, the tube sheet temperature after the overlaying is higher, be difficult for removing it, and the removal has the potential safety hazard, wind-force through fan 14 sends, see through wind hole 4 and cool down the processing to it, convenient subsequent transfer, it is safe high-efficient.

The working principle is as follows: during the use, carry out the distance adjustment between two fixed subassemblies according to the length of tube sheet, start electric putter 2, electric putter 2 promotes slider 13 and slides in spout 12, thereby drive backup pad 3 and carry out the offset, and then accomplish the position control of fixed subassembly, then place two tube sheets in pressure strip 9 on fixed subassembly, adjust electric telescopic handle 10 and lock it, the in-process of carrying out the build-up welding, adjust electric telescopic handle 11 No. two so that limiting plate 7 contacts with the bottom of tube sheet, the vibration that produces during the build-up welding falls to minimumly under damping spring 8's effect, thereby avoid the production of vibration noise, holding device's stability, after the build-up welding, the temperature of tube sheet is higher, should not align and shift, start fan 14, see through wind hole 4 and cool down its processing, make things convenient for subsequent processing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An anti-deformation clamping device for surfacing welding of a tube sheet, comprising a base (1) and two support plates (3), characterized in that the top outer walls of the two support plates (3) are provided with limit frames ( 5), and both the top inner wall and the bottom inner wall of the limiting frame (5) are provided with fixed components, one side outer wall of the limiting frame (5) is equidistantly opened with air holes (4), and the top of the base (1) The outer wall is provided with four No. 2 electric telescopic rods (11), and the top outer walls of the four No. 2 electric telescopic rods (11) are provided with the same fixing plate (6), and the fixing plate (6) is located between the two fixing components , the top outer wall of the fixing plate (6) is provided with shock-absorbing springs (8) at equal distances, and the top outer wall of the shock-absorbing spring (8) is provided with the same limit plate (7).

2 . The anti-deformation clamping device for surfacing welding of a tube sheet according to claim 1 , wherein the fixing assembly comprises two No. 1 electric telescopic rods ( 10 ) and a pressing plate ( 9 ). The No. 1 electric telescopic rods (10) are all arranged on the inner wall of the limit frame (5), and the pressing plate (9) is arranged on the other end of the two No. 1 electric telescopic rods (10).

3. The anti-deformation clamping device for surfacing welding of a tube sheet according to claim 1, wherein the top outer wall of the base (1) is provided with four chutes (12), and the four chutes ( 12) are provided with sliders (13) on the inner wall.

The anti-deformation clamping device for surfacing welding of a tube sheet according to claim 3, characterized in that the other ends of the two sliding blocks (13) are connected to the bottom outer wall of the same support plate (3). .

5. The anti-deformation clamping device for surfacing welding of a tube sheet according to claim 4, characterized in that, electric push rods (2) are provided on one side outer wall of the four sliding blocks (13), and the electric push rods (2) are electrically operated. The other end of the push rod (2) is arranged on one inner wall of the chute (12).

6. The anti-deformation clamping device for tube sheet surfacing welding according to any one of claims 1-5, characterized in that, the four corners of the top outer wall of the base (1) are provided with support rods (16), and each The top outer walls of the two support rods (16) are provided with the same object storage board (15), the top outer walls of the object storage board (15) are provided with a fan (14), and the air outlet of the fan (14) is aligned with the air hole (4).