Pressing device for heat exchanger

Abstract

The pressing device comprises a lower supporting block, a heat exchanger barrel is clamped between an upper pressing block and the lower supporting block, the top of the upper pressing block is connected with a double-lug support, the double-lug support is connected with a single-lug connector through a pin shaft, the single-lug connector is installed on a piston rod of an air cylinder, and the air cylinder is assembled on a suspension plate. The bottom of the suspension plate is connected with a first support and a second support, the first support is connected with a first guide rod through a first copper sleeve, the bottom of the first guide rod is in threaded connection with an upper pressing block, the second support is connected with a second guide rod through a second copper sleeve, and the bottom of the second guide rod is in threaded connection with the upper pressing block. The heat exchanger barrel is prevented from loosening and shifting in the welding process, stability can be guaranteed in the welding process, and therefore the welding quality problem caused by loosening is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heat exchanger clamping technical field relates to a kind of compression device for heat exchanger. BACKGROUND

[0002] Welding can improve the pressure resistance and corrosion resistance of heat exchanger, so that it can better adapt to harsh working environment. In the running process, the connection of tube sheet and heat exchange tube needs to withstand the impact and corrosion of complex medium, and welding can effectively ensure the reliability of the connection; The welding connection mode can ensure the structural stability of the heat exchanger, reduce the equipment failure and safety hazard caused by loose connection. Therefore, the quality of welding directly affects the performance and life of heat exchanger, and the welding quality needs to be strictly controlled.

[0003] At present, heat exchanger is prone to looseness during welding, which can cause the welded joint to be unable to tightly fit, and can cause problems such as incomplete penetration and weld defects, resulting in a decrease in welding quality, and further affecting the sealing performance and pressure-bearing capacity of the heat exchanger. SUMMARY

[0004] In view of the above problems existing in the prior art, the application provides a compression device for heat exchanger.

[0005] The technical scheme of the utility model is as follows:

[0006] A compression device for heat exchanger, comprising a lower block, a upper block and a lower block, a heat exchanger cylinder is clamped between the upper block and the lower block, the top of the upper block is connected with a double ear support, the double ear support is connected with a single ear joint through a pin shaft, the single ear joint is installed on the piston rod of the air cylinder, the air cylinder is assembled on the suspended plate, the bottom of the suspended plate is connected with a support one and a support two, the support one is connected with a guide rod one through a copper sleeve one, the bottom of the guide rod one is screwed with the upper block, the support two is connected with a guide rod two through a copper sleeve two, the bottom of the guide rod two is screwed with the upper block, the top of the lower block is provided with a compression screw, and the compression screw is assembled with a pressing plate through a compression nut.

[0007] As a preferred embodiment of the utility model: the bottom of the lower block is provided with a sliding block, and the sliding block is assembled with a guide rail.

[0008] As a preferred embodiment of the utility model: the guide rail is positioned on the bottom plate.

[0009] As a preferred embodiment of the utility model: the bottom plate is provided with a lifting ring.

[0010] As a preferred embodiment of the utility model: a positioning nut is arranged between the guide rod one, the guide rod two and the upper block.

[0011] As a preferred embodiment of the utility model: lower supporting block is provided with rubber pad one, upper pressing block is provided with rubber pad two.

[0012] The utility model discloses the beneficial effect is:

[0013] The top of upper pressing block is connected with double lug support, the double lug support is connected with single lug joint through pin shaft, the single lug joint is installed on the piston rod of cylinder, and the cylinder can drive upper pressing block to press down and compress heat exchanger cylinder, so that upper pressing block and lower supporting block tightly engage heat exchanger cylinder;The compression screw is assembled with pressing plate through compression nut, in the welding process, the pressing plate is used to compress upper pressing block, so that constant compression force can be kept, heat exchanger cylinder can be prevented from loosening and displacement in the welding process, stability can be guaranteed in the welding process, welding quality problem caused by loosening is avoided, and the sealing property and pressure-bearing capacity of heat exchanger are ensured, which is convenient and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the utility model for heat exchanger compression device.

[0015] In the drawing: 1 - lower supporting block;2 - rubber pad one;3 - heat exchanger cylinder;4 - rubber pad two;5 - upper pressing block;6 - pressing plate;7 - compression nut;8 - compression screw;9 - guide rod one;10 - copper sleeve one;11 - support one;12 - suspended plate;13 - cylinder;14 - support two;15 - copper sleeve two;16 - guide rod two;17 - single lug joint;18 - double lug support;19 - pin shaft;20 - locating nut;21 - sliding block;22 - guide rail;23 - bottom plate;24 - lifting ring. DETAILED DESCRIPTION

[0016] The utility model is specifically described below in connection with the drawings and examples. Obviously, the described example is only a part of the utility model embodiment, instead of all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0017] As Figure 1As shown, a kind of pressing device for heat exchanger, including lower block 1, the upper pressing block 5 is engaged with lower block 1, and heat exchanger cylinder 3 is clamped between upper pressing block 5, the top of upper pressing block 5 is connected with double lug support 18, double lug support 18 is connected with single lug joint 17 by pin shaft 19, single lug joint 17 is installed on the piston rod of cylinder 13, cylinder 13 is assembled to overhanging plate 12, the bottom of overhanging plate 12 is connected with support one 11 and support two 14, support one 11 is connected with guide rod one 9 by copper sleeve one 10, the bottom of guide rod one 9 is connected with upper pressing block 5 by screw thread, support two 14 is connected with guide rod two 16 by copper sleeve two 15, the bottom of guide rod two 16 is connected with upper pressing block 5 by screw thread, the top of lower block 1 is equipped with pressing screw 8, and pressing plate 6 is assembled to pressing screw 8 by pressing nut 7.

[0018] The bottom of lower block 1 is installed with sliding block 21, sliding block 21 is assembled with guide rail 22, and sliding block 21 can accurately move along guide rail 22; guide rail 22 is positioned to bottom plate 23; bottom plate 23 is provided with lifting ring 24, lifting ring 24 can hoist bottom plate 23 and heat exchanger cylinder 3 as a whole, hoisting is facilitated, and labor intensity can be reduced; positioning nut 20 is arranged between guide rod one 9, guide rod two 16 and upper pressing block 5, and the stability of connection is enhanced; lower block 1 is provided with rubber pad one 2, and upper pressing block 5 is provided with rubber pad two 4; rubber pad one 2 and rubber pad two 4 have excellent elasticity and damping performance, and can absorb impact force and vibration.

[0019] In conclusion, the pressing device for heat exchanger, the top of upper pressing block 5 is connected with double lug support 18, double lug support 18 is connected with single lug joint 17 by pin shaft 19, single lug joint 17 is installed on the piston rod of cylinder 13, and cylinder 13 can drive upper pressing block 5 to press heat exchanger cylinder 3 downwards, so that upper pressing block 5 and lower block 1 tightly clamp heat exchanger cylinder 3; pressing plate 6 is assembled to pressing screw 8 by pressing nut 7, in the welding process, upper pressing block 5 is pressed by using pressing plate 6, constant pressing force can be maintained, heat exchanger cylinder 3 can be prevented from loosening and shifting in the welding process, stability can be ensured in the welding process, welding quality problems caused by loosening are avoided, and the sealing performance and pressure-bearing capacity of heat exchanger are ensured.

[0020] Although the embodiments of the present application have been disclosed as above, they are not limited to the application and implementation listed in the specification and embodiments, and can be fully applied to various fields suitable for the present application. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and therefore the present application is not limited to specific details under the general concept defined by the claims and equivalent ranges.

Claims

1. A compression device for a heat exchanger, characterized by: The application relates to a heat exchanger cylinder (3) clamped between a lower supporting block (1) and an upper pressing block (5), the top of the upper pressing block (5) is connected with a double-ear support (18), the double-ear support (18) is connected with a single-ear joint (17) through a pin shaft (19), the single-ear joint (17) is installed on the piston rod of a gas cylinder (13), the gas cylinder (13) is assembled on a suspended plate (12), the bottom of the suspended plate (12) is connected with a support one (11) and a support two (14), the support one (11) is connected with a guide rod one (9) through a copper sleeve one (10), the bottom of the guide rod one (9) is screwed with the upper pressing block (5), the support two (14) is connected with a guide rod two (16) through a copper sleeve two (15), the bottom of the guide rod two (16) is screwed with the upper pressing block (5), the top of the lower supporting block (1) is provided with a pressing screw (8), the pressing screw (8) is assembled with a pressing plate (6) through a pressing nut (7).

2. A compression device for heat exchangers according to claim 1, characterized in that: The bottom of the lower supporting block (1) is provided with a sliding block (21), and the sliding block (21) is assembled with a guide rail (22).

3. A compression device for heat exchangers according to claim 2, characterized in that: The guide rail (22) is positioned on a bottom plate (23).

4. A compression device for heat exchangers according to claim 3, characterized in that: The bottom plate (23) is provided with a lifting ring (24).

5. The compression device for heat exchangers according to claim 1, characterized in that: Positioning nuts (20) are arranged between the guide rod one (9), the guide rod two (16) and the upper pressing block (5).

6. A compression device for heat exchangers according to any of claims 1-5, characterized in that: The lower supporting block (1) is provided with rubber pads one (2), and the upper pressing block (5) is provided with rubber pads two (4).

Images