Anti-deformation auxiliary welding device for surface air cooler

Abstract

The utility model relates to an anti-deformation surface air cooler auxiliary welding device which comprises two supporting arms, the supporting arms comprise a front supporting arm and a rear supporting arm, the top end of the left front supporting arm is provided with a first clamping part, and the top end of the right front supporting arm is provided with a second clamping part. The first clamping part and the second clamping part are respectively clamped on the surface air cooler bracket on the left side and the right side of the welding position; a rear blocking rod is installed between the two rear supporting arms, and the two ends of the rear blocking rod penetrate through the rear supporting arms. A pressing assembly is arranged in front of the rear blocking rod, a jacking part capable of stretching and retracting front and back is arranged at the front end of the pressing assembly, the front end of the pressing assembly is pressed on the surface of the workpiece, and the rear end of the pressing assembly abuts against the rear blocking rod. The supporting plate is pressed tightly to be attached to the surface of the coil pipe support, convenience is provided for welding, the supporting plate is pressed tightly through the counter-acting force of the rear stop rod and the pressing assembly, the supporting plate is stressed evenly and evenly, compared with a manual pressing mode, manpower is greatly saved, force application of the pressing assembly is controllable, operation is convenient, and welding quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange equipment technical field especially relates to a kind of anti-deformation's surface cooler auxiliary welding device. BACKGROUND

[0002] Cooling tower and condenser are with water or air as cooling medium, by latent heat of vaporization mode and surface cooler coil in high temperature working fluid heat exchange, high temperature working fluid exothermic into normal temperature fluid.

[0003] Surface cooler is made of multiple coil, and the side of coil support has support plate supporting fluid inlet and outlet, and support plate is welded on coil support, worker starts work from one end of support plate when welding, until the whole support plate is completely welded on coil support, since the length of support plate is longer, in the welding process, one end of support plate is welded, and the part not welded is deformed and cannot be attached to the welding surface, in order to successfully complete the welding of support plate, worker can only use manpower to press the support plate and the welding surface, this method is time-consuming and laborious, and the welding quality is not easy to control, therefore, an auxiliary device needs to be developed to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide an anti-deformation surface cooler auxiliary welding device which saves manpower and improves welding quality.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: an anti-deformation surface cooler auxiliary welding device includes two support arms for supporting on the left and right sides of the welding position, the support arm includes a front support arm and a rear support arm, wherein the top end of the left front support arm is provided with a first clamping part, the top end of the right front support arm is provided with a second clamping part, the first clamping part and the second clamping part are clamped on the surface cooler supports on the left and right sides of the welding position respectively, and the shapes of the first clamping part and the second clamping part are adapted to their installation positions; a rear stop rod is installed between the two rear support arms, the two ends of the rear stop rod penetrate through the two rear support arms respectively, a pressing assembly is arranged in front of the rear stop rod, the front end of the pressing assembly is provided with a front and rear telescopic pressing part, the front end of the pressing assembly is pressed on the surface of the workpiece, and the rear end is abutted on the rear stop rod; a plurality of adjustment holes through which the rear stop rod passes are correspondingly arranged on the two rear support arms.

[0006] As a preferred technical scheme, the pressing assembly includes a jack, the front end of the jack is pressed on the surface of the workpiece, the rear end is abutted on the rear stop rod, the jack is adjusted to make the front end protrude forward, and the workpiece and the condenser pipe support are pressed tightly.

[0007] As a further improvement, the front end and the bottom of the jack are detachably provided with rubber sleeves

[0008] As another preferred technical scheme, the pressing assembly comprises a top rod, an adjusting screw and a compression spring, the top pressing part is located at the top end of the top rod, the bottom of the top rod is provided with a first mounting seat, the back surface of the first mounting seat is provided with a bearing seat, one end of the adjusting screw is mounted in the bearing seat, the other end passes through the back rod and is connected with the back rod through threads, the end of the adjusting screw passing through the back rod is provided with an axle connecting piece, the inside of the axle connecting piece is provided with a plug hole connected with the output shaft of the motor, the inside of the back rod is provided with a second mounting seat, and the compression spring is mounted between the first mounting seat and the second mounting seat.

[0009] As a further improvement, the adjusting hole is square, and the cross section of the back rod is square.

[0010] As a further improvement, the top end of the top pressing part is provided with a rubber sleeve.

[0011] As a preferred technical scheme, the top end of the back arm is provided with a sleeve, the end of the front arm is plugged into the sleeve, and the end of the front arm and the sleeve are fixedly connected through a clamping piece.

[0012] Due to the adoption of the above technical scheme, the utility model has the advantages that the utility model presses the supporting plate to be close to the surface of the coil bracket, provides convenience for welding, the pressing assembly presses the supporting plate through the reaction force of the back rod, the supporting plate is uniformly and balanced stressed, compared with the manual pressing mode, the labor is greatly saved, the pressing force of the pressing assembly is controllable and the operation is convenient, and the welding quality is guaranteed.

[0013] The supporting arm is connected with the coil bracket, the back rod provides a reaction force for the pressing assembly, the extension length of the top pressing part is adjusted through the compression assembly, the utility model can be stably installed on the coil bracket, the supporting plate is close to the surface of the coil bracket through stable force applied on the surface of the surface condenser bracket.

[0014] The front arm of the supporting arm can be detachably installed on the back arm, the front arm is convenient to disassemble and replace, the first clamping part of the left front arm and the second clamping part of the right front arm can be customized according to the shape of the welding position, so as to adapt to welding operations of various refrigeration equipment and different models, the utility model has a wide application range and high use rate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0016] Figure 1 is a structural schematic view of the embodiment one of the utility model;

[0017] Figure 2 is a structural schematic view of another angle of the embodiment one of the utility model;

[0018] Figure 3 is a structural schematic view of the embodiment two of the utility model;

[0019] Figure 4 is Figure 3 the left view of;

[0020] In the drawing: 11-left front support arm;111-first clamping part;12-left rear support arm;121-first adjusting hole;122-first sleeve;13-rear stop lever;21-right front support arm;211-second clamping part;22-right rear support arm;221-second adjusting hole;222-second sleeve;3-jack;301-rubber sleeve;31-ram;32-adjusting screw;33-press spring;34-first mounting seat;35-bearing seat;36-axle connecting piece;361-insertion hole;37-second mounting seat;91-angle steel;92-bracing plate;93-plate. Specific implementation

[0021] Embodiment one:

[0022] As Figure 1 and Figure 2 shown, a deformation-resistant surface air cooler auxiliary welding device includes two support arms for supporting on both sides of the welding position, the support arm includes front support arm and rear support arm, wherein, the top end of left front support arm 11 is provided with first clamping part 111, left front support arm 11 is fixedly installed on left rear support arm 12, the top end of right front support arm 21 is provided with second clamping part 211, right front support arm 21 is fixedly installed on right rear support arm 22, first clamping part and second clamping part 211 are clamped on the surface air cooler support on both sides of the welding position respectively, the shape of first clamping part 111 and second clamping part 211 is adapted to its installation position;Rear stop lever 13 is installed between left rear support arm 12 and right rear support arm 22, both ends of rear stop lever 13 respectively penetrate left rear support arm 12 and right rear support arm 22, a plurality of adjusting holes for facilitating the penetration of rear stop lever 13 are arranged on left rear support arm 12 and right rear support arm 22, such as Figure 1 the first adjusting hole 121 of left rear support arm 12 and the second adjusting hole 221 of right rear support arm 22 shown in the drawing.

[0023] The front of rear stop lever 13 is provided with a compression assembly, the front end of compression assembly is provided with a front and rear telescopic pressure part, the front end of compression assembly is pressed on the surface of workpiece, and the rear end is abutted on rear stop lever 13.

[0024] In this embodiment, the workpiece is a support plate 92 at the inlet and outlet of the surface condenser, one side of the support plate 92 is welded to an angle steel 91 at the edge of the coil bracket, the other side is welded to a plate 93 on the coil bracket 91, and the pressing assembly is preferably a jack 3, which can provide sufficient force to press the support plate 92 against the surface of the angle steel 91 and the plate 93, Figure 1 and Figure 2 The angle steel 91, the support plate 92 and the plate 93 shown in the above are only schematic, and in actual products, the length of the angle steel 91, the support plate 92 and the plate 93 is more than 1 meter.

[0025] The first clamping part 111 at the top end of the left front support arm 11 is adapted to the shape of the angle steel 91, and the angle steel is clamped in the first clamping part 111, the second clamping part 211 at the top end of the right front support arm 21 is adapted to the shape of the plate 93, and the second clamping part 211 is clamped on the plate 93, and the backstop rod 13 is installed between the left rear support arm 12 and the right rear support arm 22 in sequence through the first adjusting hole 121 and the second adjusting hole 221.

[0026] When pressing, the front end of the jack 3 is pressed against the surface of the support plate 92, and the rear end is abutted against the backstop rod 13, the jack 3 is adjusted to make the front end protrude forward, the support plate 92 is pressed and fitted with the angle steel 91 and the plate 93 on the condenser bracket, and in order to increase friction, a rubber sleeve 301 is detachably installed at the front end and the bottom of the jack 3.

[0027] When welding, after the support plate 92 of the pressing part is welded, the jack 3 is removed, the left front support arm 11 and the right front support arm 21 are moved to the next welding position, and the support plate 92 is pressed and continued to be welded.

[0028] Embodiment two:

[0029] As shown in Figure 3 and Figure 4 A deformation-preventing auxiliary welding device for surface condenser, comprising two support arms for supporting on the left and right sides of the welding position, the support arms comprising front support arms and rear support arms, wherein the top end of the left front support arm 11 is provided with a first clamping part 111, the left front support arm 11 is fixedly installed on the left rear support arm 12, the top end of the right front support arm 21 is provided with a second clamping part 211, the right front support arm 21 is fixedly installed on the right rear support arm 22, the first clamping part and the second clamping part 211 are clamped on the surface condenser bracket on the left and right sides of the welding position, and the shapes of the first clamping part 111 and the second clamping part 211 are adapted to the installation positions thereof; a backstop rod 13 is installed between the left rear support arm 12 and the right rear support arm 22, the two ends of the backstop rod 13 pass through the left rear support arm 12 and the right rear support arm 22 respectively, and a plurality of adjusting holes for the backstop rod 13 to pass through are correspondingly provided on the left rear support arm 12 and the right rear support arm 22.

[0030] The rear rod 13 is provided with a pressing assembly in front of the rear rod 13, the front end of the pressing assembly is pressed on the surface of the workpiece, the rear end of the pressing assembly is abutted on the rear rod 13, and the front end of the pressing assembly is provided with a top pressing part which can be extended and retracted forward and backward.

[0031] In the first embodiment, the jack is used to press the support plate, the jack is a general tool and needs to be used for other functions, and the jack cannot be used at any time. In addition, the jack needs to be manually lifted during use, and the manpower needs to be withdrawn after the adjustment is completed. Therefore, the use is very inconvenient. The pressing assembly in the embodiment can replace the jack.

[0032] The pressing assembly comprises a top rod 31, an adjusting screw 32 and a compression spring 33. The top pressing part is located at the top end of the top rod 31. The bottom of the top rod 31 is provided with a first mounting seat 34. The back surface of the first mounting seat 34 is provided with a bearing seat 35. One end of the adjusting screw 32 is mounted in the bearing seat 35, and the other end of the adjusting screw 32 passes through the rear rod 13 and is connected with the rear rod 13 through threads. The end of the adjusting screw 32 passing through the rear rod 13 is provided with an axle connecting piece 36. The axle connecting piece 36 is provided with a plug-in hole 361 connected with the output shaft of the motor. The inner side of the rear rod 13 is provided with a second mounting seat 37. The compression spring 33 is mounted between the first mounting seat 34 and the second mounting seat 37. Preferably, the end of the adjusting screw 32 passing through the rear rod 13 can also be provided with a handle. However, since manual rotation is too laborious, the end of the adjusting screw 32 is connected with the motor, and the adjusting screw 32 is rotated by the motor. The output shaft of the motor is plugged into the plug-in hole 361.

[0033] Preferably, the motor can also be the motor of other equipment, such as a hand drill device. When pressing, the drill bit of the hand drill device is replaced with a rotating shaft which can be plugged into the plug-in hole 361. The rotating shaft is rotated in the forward direction to drive the adjusting screw 32 to extend forward to press the support plate 92. After the pressing is completed, the rotating shaft is removed from the plug-in hole 361 to perform welding work. After the welding is completed, the rotating shaft is inserted into the plug-in hole 361 to rotate in the reverse direction to separate the adjusting screw 32 from the support plate 92.

[0034] In order to avoid the sliding of the rear rod 13, the adjusting hole on the rear support arm can also be square, and the cross section of the rear rod 13 is also square. The rear rod is preferably a square tube. In order to facilitate installation, the two ends of the rear rod 13 are provided with handles for easy gripping.

[0035] In order to increase the friction between the top pressing part and the support plate 92, a rubber sleeve 301 is mounted at the top end of the top pressing part.

[0036] Due to different types of products, the structure and size of the condenser pipe support are different, the structure and size of the corresponding installation position of the left front support arm 11 and the right front support arm 21 are also different, in order to facilitate the smooth production of various types of products, the top end of the left rear support arm 12 is provided with a first sleeve 122, the top end of the right rear support arm 22 is provided with a second sleeve 222, the tail end of the left front support arm 11 is inserted into the first sleeve 122, and the tail end of the right front support arm 21 is inserted into the second sleeve 222, and the front support arm and the sleeve are fixedly connected through the fastening piece.

[0037] In use, the front end of the top rod 31 corresponds to the surface of the support plate 92, the first clamping part 111 at the top end of the left front support arm 11 is clamped with the angle steel 91, the second clamping part 211 at the top end of the right front support arm 21 is clamped on the plate 93, and the rear stop rod 13 passes through the left rear support arm 12 and the right rear support arm 22 through the adjusting hole.

[0038] When pressing, the adjusting screw 32 is driven by the motor, the adjusting screw 32 is extended to press the top rod 31 on the surface of the support plate 92, and the support plate 92 is pressed and fitted with the angle steel 91 and the plate 93 on the condenser pipe support to facilitate the welding operation, after the welding at this position is completed, the motor is reversed to retract the adjusting screw 32, and the left front support arm 11 and the right front support arm 21 are moved to the next welding position, and the above steps are repeated to press the support plate 92 and continue to weld.

[0039] The above shows and describes the basic principle, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A deformation resistant surface condenser auxiliary welding device characterized by: The support arm includes a front support arm and a rear support arm, wherein the top end of the left front support arm is provided with a first clamping part, the top end of the right front support arm is provided with a second clamping part, the first clamping part and the second clamping part are clamped on the left and right sides of the surface condenser support of the welding position respectively, and the shapes of the first clamping part and the second clamping part are matched with the mounting positions thereof; a rear stop rod is mounted between the two rear support arms, the two ends of the rear stop rod penetrate the two rear support arms respectively, and a plurality of adjusting holes corresponding to the penetration of the rear stop rod are arranged on the two rear support arms; a pressing assembly is arranged in front of the rear stop rod, the front end of the pressing assembly is provided with a top pressing part which can be telescoped forward and backward, the front end of the pressing assembly is pressed on the surface of the workpiece, and the rear end of the pressing assembly is abutted on the rear stop rod.

2. A deformation resistant surface condenser auxiliary welding device as defined in claim 1, wherein: The pressing assembly includes a jack, the front end of the jack is pressed on the surface of the workpiece, and the rear end of the jack is abutted on the rear stop rod; and the jack is adjusted so that the front end of the jack is telescoped forward to press the workpiece and the condenser pipe support.

3. A deformation resistant surface condenser auxiliary welding device as defined in claim 2 wherein: The front end and the bottom of the jack are detachably provided with rubber sleeves.

4. A deformation resistant surface condenser auxiliary welding device as defined in claim 1 wherein: The pressing assembly includes a top rod, an adjusting screw and a compression spring, the top pressing part is located at the top end of the top rod, the bottom of the top rod is provided with a first mounting seat, the back surface of the first mounting seat is provided with a bearing seat, one end of the adjusting screw is mounted in the bearing seat, the other end of the adjusting screw penetrates the rear stop rod and is connected with the rear stop rod through threads, the end of the adjusting screw penetrating the rear stop rod is provided with an axle connecting piece, the axle connecting piece is provided with a plug hole connected with the output shaft of the motor, the inner side of the rear stop rod is provided with a second mounting seat, and the compression spring is mounted between the first mounting seat and the second mounting seat.

5. A deformation resistant surface condenser auxiliary welding device as defined in claim 4 wherein: The adjusting hole is square, and the cross section of the rear stop rod is square.

6. A deformation resistant surface condenser auxiliary welding device as defined in claim 4 wherein: The top end of the top pressing part is provided with a rubber sleeve.

7. A deformation resistant surface condenser auxiliary welding device as claimed in any one of claims 1 to 6, characterized in that: The top end of the top pressing part is provided with a rubber sleeve. The top end of the top pressing part is provided with a rubber sleeve.

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