CN208432480U - A kind of heat exchanger tube pressure device - Google Patents
A kind of heat exchanger tube pressure device Download PDFInfo
- Publication number
- CN208432480U CN208432480U CN201820703891.0U CN201820703891U CN208432480U CN 208432480 U CN208432480 U CN 208432480U CN 201820703891 U CN201820703891 U CN 201820703891U CN 208432480 U CN208432480 U CN 208432480U
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- screw rod
- internal stop
- water inlet
- baffle block
- bore
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Abstract
The utility model discloses a kind of heat exchanger tube pressure devices, it mainly include pressure pump, water inlet screw rod, outer baffle block, positioning pipe, internal stop, O-ring seal, it is characterized in that the positioning pipe outside diameter is compared with the heat exchange small 1-3mm of bore, gap between positioning pipe outer wall and heat transfer tube wall, which is formed, suppresses section, bore is positioned compared with the water inlet big 1-3mm of screw rod outer diameter, the gap for positioning inside pipe wall between screw rod outer wall of intaking forms buffering section；Pressure pump will suppress water and enter buffering section through water inlet screw rod axial direction water injection hole, radial water injection hole, enter through buffering section apopore and suppress section, act on inner hole welding line, determine internal bore welding weldquality according to situation is suppressed.Present apparatus structural volume is small, structure is simple and convenient to operate, and suppresses efficiency and improves 5 times or more.
Description
Technical field
The utility model relates to heat exchanger tubes to suppress field, in particular to a kind of final products are exchanger tubes and tubesheets internal bore welding
The stamping tooling of structure.
Background technique
Tube sheet and heat exchanger tube welding structure are that the heat exchange equipment of internal bore welding requires all welding points that need to carry out pressure resistance by root
Test, traditional heat exchanger tube internal bore welding suppresses stamping tooling used in mode, and structure is complicated, suppress take a long time, low efficiency.
Utility model content
It is insufficient that the purpose of this utility model is to overcome the above-mentioned prior arts, provides a kind of heat exchanger tube pressure device, should
Apparatus structure is simple, can effectively reduce suppressed time, and efficiency is suppressed in raising, is guaranteeing effectively verifying inner hole welding line welding quality
While, substantially increase the producing efficiency of internal bore welding heat exchange equipment.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of heat exchanger tube pressure device mainly includes pressure pump, water inlet screw rod, outer baffle block, positioning pipe, internal stop, O-shaped close
Seal intakes to be formed between buffering section, positioning pipe and heat exchanger tube to be formed between screw rod and positioning pipe and suppresses section.
The pressure pump beats hydraulic water for conveying.
The water inlet screw rod is process by round steel, and outer diameter is compared with the heat exchange small 3-7mm of bore, preferably 4-6mm, material used
It can be the various solderable materials, preferably stainless steel such as stainless steel, carbon steel.
Further, in one end of round steel, water injection hole is in axial direction processed from the central position, aperture 2-8mm, preferably
3-6mm；Axial water filling hole length will ensure to suppress section covering inner hole welding line；The radial note of processing in the end of axial water injection hole
Water hole, aperture 2-8mm, preferably 3-6mm.Water injection hole beats hydraulic water for injecting.
Further, it in one end of round steel, is threaded, for connecting fastening nut and pressure pump.
The outer baffle block is made of outer baffle block A, outer baffle block B, and outer baffle block A is identical with outer baffle block B shape, is arranged symmetrically, outside
Block A is machined with centre bore, and center bore is compared with the water inlet big 1mm of screw rod outer diameter.Material used can be stainless steel, carbon steel, low-alloy
The various solderable materials such as steel, can be selected according to heat exchanger tube material and design requirement, the preferred stainless steel of common material.According to
Test pressure is calculated, selects suitable thickness.
Further, intake one end of screw rod is connect with outer baffle block B by welding manner, and the other end is through the center outer baffle block A
Hole and the interspersed connection of outer baffle block A.
Material used in the positioning pipe can be the various solderable materials, preferably stainless steel such as stainless steel, carbon steel；Outside positioning pipe
For diameter compared with the heat exchange small 1-3mm of bore, section is suppressed in the gap formation positioned between pipe outer wall and heat transfer tube wall, positions bore
Compared with the water inlet big 1-3mm of screw rod outer diameter, the gap for positioning inside pipe wall between screw rod outer wall of intaking forms buffering section；Position pipe range
Degree will ensure to suppress section covering inner hole welding line.
Further, buffering section apopore, aperture 2-8mm, preferably 3-6mm are machined with from positioning pipe middle position.
Water of suppressing from water inlet screw rod water injection hole initially enters buffering section, then enters to through buffering section apopore and suppress section,
The water of suppressing for suppressing section directly acts on inner hole welding line, and then verifies weldquality.
Further, the both ends of positioning pipe are connect with internal stop A and internal stop B by welding manner respectively.
The internal stop is made of internal stop A, internal stop B, and internal stop A is identical with internal stop B shape, is arranged symmetrically, institute
It can be the various solderable materials such as stainless steel, carbon steel, low-alloy steel with material, can be carried out according to heat exchanger tube material and design requirement
Selection, the preferred stainless steel of common material are calculated according to test pressure, select suitable thickness.
Further, the internal stop A and internal stop B machined centre bore, and center bore is big compared with water inlet screw rod outer diameter
1mm。
Further, water inlet centre bore of the screw rod through internal stop A and internal stop B is interted with internal stop A and internal stop B
Connection.
The O-ring seal material can be nitrile rubber, carboxylic acid nitriles, fluorubber, EP rubbers etc., preferably nitrile rubber；
Suitable diameter of section is selected according to test pressure, is symmetrically distributed between outer baffle block A and internal stop A, outer baffle block B and internal stop
Between B.
Further, water inlet screw rod fastening nut drives water inlet screw rod, outer baffle block A mobile, and then makes outer baffle block A and interior gear
O-ring seal, outer baffle block B between block A and the fastening expansion of the O-ring seal between internal stop B, form until section will be suppressed
Until confined space, it is ensured that suppress effect.
The beneficial effects of the utility model
The apparatus structure volume is small, structure is simple and convenient to operate, and suppresses efficiency and improves 5 times or more.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the utility model pressure device schematic diagram.
Fig. 2 is the utility model pressure device structural schematic diagram.
Wherein, 1, heat exchanger tube, 2, weld seam, 3, suppress component, 4, pressure pump, 5, buffering section, 6, suppress section, 7, into
Water screw rod, 8, fastening nut, 9, outer baffle block A, 10, outer baffle block B, 11, positioning pipe, 12, internal stop A, 13, internal stop B, 14, O
Type sealing ring, 15, water inlet screw rod axial direction water injection hole, 16, water inlet screw rod radial direction water injection hole, 17, buffering section apopore.
Specific embodiment
The present invention will be further described with embodiment with reference to the accompanying drawing.
Embodiment 1:
It is the pressure device of 15mm production for heat exchange bore, main includes suppressing component 3, pressure pump 4, buffering section
5, section 6, water inlet screw rod 7, fastening nut 8, outer baffle block A 9, outer baffle block B 10, positioning pipe 11, internal stop A12, interior gear are suppressed
Block B 13, O-ring seal 14.Pressure pump 4 and water inlet screw rod 7 connect, and pressure pump 4 will suppress water through screw rod axial direction water injection hole of intaking
15, radial water injection hole 16 enters buffering section 5, enters through buffering section apopore 17 and suppresses section 6, acts on internal bore welding weldering
Seam 2 determines 2 mass of inner hole welding line according to situation is suppressed.
Water inlet screw rod 7 is process by stainless steel round steel, outer diameter 10mm, in one end of round steel, from the central position along axis
Axial water injection hole 15 is processed to direction, aperture 4mm processes radial water injection hole 16 in the end of axial water injection hole 15, and aperture is
4mm；It in one end of round steel, is threaded, for installing fastening nut 8.Material used in outer baffle block A 9 and outer baffle block B 10
For stainless steel, shape is identical, is arranged symmetrically, and with a thickness of 6mm, outer baffle block A9 is machined with centre bore, center bore 11mm, water inlet
One end of screw rod 7 is connect with outer baffle block B 10 by welding manner, and the other end is worn through 9 centre bore of outer baffle block A with outer baffle block A9
Insert connection；Material used in positioning pipe 11 is stainless steel, and 11 outer diameter of positioning pipe is 14mm, 1 inner wall of 11 outer wall of positioning pipe and heat exchanger tube
Between gap formed and suppress section 6,11 internal diameter of positioning pipe is 13mm, between 11 inner wall of positioning pipe and water inlet 7 outer wall of screw rod
Gap forms buffering section 5, and buffering 17 aperture of section apopore is 4mm, the both ends of positioning pipe 11 respectively with internal stop A12 and interior
Block B13 is connected by welding manner；Material used in internal stop A 12 and internal stop B13 is stainless steel, with a thickness of 6mm, shape
It is identical, it is arranged symmetrically, internal stop A 12 and internal stop B 13 are machined with centre bore, center bore 11mm, and water inlet screw rod 7 passes through
The centre bore of internal stop A 12 and internal stop B 13 and the interspersed connection of internal stop A12 and internal stop B 13；14 material of O-ring seal
It for nitrile rubber, is symmetrically distributed between outer baffle block A 9 and internal stop A12, between outer baffle block B 10 and internal stop B13, intakes
Fastening nut 8 on screw rod 7 drives water inlet screw rod 7 and outer baffle block B 10 mobile, so make outer baffle block A 9 and internal stop A12 it
Between O-ring seal 14, the O-ring seal 14 between outer baffle block B 10 and internal stop B13 fasten expansion, until area will be suppressed
Between formed confined space until, it is ensured that suppress effect.
Embodiment: 2:
It is the pressure device of 20mm production for heat exchange bore, main includes suppressing component 3, pressure pump 4, buffering section
5, section 6, water inlet screw rod 7, fastening nut 8, outer baffle block A9, outer baffle block B 10, positioning pipe 11, internal stop A12, internal stop are suppressed
B 13, O-ring seal 14.Pressure pump 4 and water inlet screw rod 7 connect, and pressure pump 4 will suppress water through screw rod axial direction water injection hole of intaking
15, radial water injection hole 16 enters buffering section 5, enters through buffering section apopore 17 and suppresses section 6, acts on internal bore welding weldering
Seam 2 determines 2 mass of inner hole welding line according to situation is suppressed.
Water inlet screw rod is process by stainless steel round steel, outer diameter 15mm, in one end of round steel, from the central position along axial direction
Direction processes axial water injection hole 15, and aperture 5mm processes radial water injection hole 16 in the end of axial water injection hole 15, and aperture is
5mm；It in one end of round steel, is threaded, for installing fastening nut 8.Material used in outer baffle block A 9 and outer baffle block B 10
For stainless steel, shape is identical, is arranged symmetrically, and with a thickness of 3mm, outer baffle block A 9 is machined with centre bore, center bore 16mm, into
One end of water screw rod 7 is connect with outer baffle block B10 by welding manner, and the other end is through 9 centre bore of outer baffle block A and outer baffle block A 9
Interspersed connection；Material used in positioning pipe 11 is stainless steel, and 11 outer diameter of positioning pipe is 18mm, in 11 outer wall of positioning pipe and heat exchanger tube 1
Gap between wall, which is formed, suppresses section 6, and 11 internal diameter of positioning pipe is 17mm, between 11 inner wall of positioning pipe and water inlet 7 outer wall of screw rod
Gap formed buffering section 5, buffering 17 aperture of section apopore be 5mm, the both ends of positioning pipe 11 respectively with internal stop A 12
It is connected with internal stop B13 by welding manner；Material used in internal stop A 12 and internal stop B13 is stainless steel, with a thickness of 3mm,
Shape is identical, is arranged symmetrically, and internal stop A 12 and internal stop B 13 are machined with centre bore, center bore 16mm, screw rod 7 of intaking
The interspersed connection of centre bore and internal stop A 12 and internal stop B 13 through internal stop A 12 and internal stop B 13；O-ring seal 14
Material is nitrile rubber, is symmetrically distributed between outer baffle block A 9 and internal stop A12, between outer baffle block B 10 and internal stop B13,
The fastening nut 8 intake on screw rod 7 drives water inlet screw rod 7 and outer baffle block B10 mobile, and then makes outer baffle block A 9 and internal stop A12
Between O type sealing ring 14, the O-ring seal 14 between outer baffle block B 10 and internal stop B13 fasten expansion, until will suppress
Until section forms confined space, it is ensured that suppress effect.
Claims (4)
1. a kind of heat exchanger tube pressure device mainly includes pressure pump, water inlet screw rod, outer baffle block, positioning pipe, internal stop, O-shaped sealing
Circle, it is characterised in that the outer baffle block is made of outer baffle block A, outer baffle block B；The internal stop is made of internal stop A, internal stop B；
For the positioning pipe outside diameter compared with the heat exchange small 1-3mm of bore, area is suppressed in the gap formation positioned between pipe outer wall and heat transfer tube wall
Between, for positioning bore compared with the water inlet big 1-3mm of screw rod outer diameter, the gap for positioning inside pipe wall between screw rod outer wall of intaking forms buffering
Section.
2. a kind of heat exchanger tube pressure device according to claim 1, it is characterised in that the water inlet screw rod outer diameter relatively exchanges heat
The small 3-7mm of bore；It is in axial direction machined with water injection hole, aperture 2-8mm, in the end of axial water injection hole from the central position
Process radial water injection hole, aperture 2-8mm；Water inlet screw rod is threaded.
3. a kind of heat exchanger tube pressure device according to claim 1, it is characterised in that the outer baffle block A and outer baffle block B shape
Shape is identical, is arranged symmetrically, and outer baffle block A is machined with centre bore, and center bore is compared with the water inlet big 1mm of screw rod outer diameter.
4. a kind of heat exchanger tube pressure device according to claim 1, it is characterised in that the internal stop A and internal stop B shape
Shape is identical, is arranged symmetrically, and internal stop A and internal stop B are machined with centre bore, and center bore is compared with the water inlet big 1mm of screw rod outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820703891.0U CN208432480U (en) | 2018-05-12 | 2018-05-12 | A kind of heat exchanger tube pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820703891.0U CN208432480U (en) | 2018-05-12 | 2018-05-12 | A kind of heat exchanger tube pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208432480U true CN208432480U (en) | 2019-01-25 |
Family
ID=65103735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820703891.0U Active CN208432480U (en) | 2018-05-12 | 2018-05-12 | A kind of heat exchanger tube pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208432480U (en) |
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2018
- 2018-05-12 CN CN201820703891.0U patent/CN208432480U/en active Active
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