CN117232754B - Air cooler tube bank is examined pressure testing device separately - Google Patents
Air cooler tube bank is examined pressure testing device separately Download PDFInfo
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- CN117232754B CN117232754B CN202311512784.1A CN202311512784A CN117232754B CN 117232754 B CN117232754 B CN 117232754B CN 202311512784 A CN202311512784 A CN 202311512784A CN 117232754 B CN117232754 B CN 117232754B
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- connecting pipe
- air cooler
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000003780 insertion Methods 0.000 claims abstract description 24
- 230000037431 insertion Effects 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 abstract description 12
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 238000009530 blood pressure measurement Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 30
- 230000002457 bidirectional effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The invention relates to an air cooler tube bundle pressure testing device which comprises a support frame used for connecting the device with an air cooler tube plate, wherein a blocking piece is arranged in the support frame and can move up and down or left and right on the support frame so as to align a single tube, the air cooler tube bundle pressure testing device further comprises a pressing assembly, the pressing assembly is communicated with one of the blocking pieces and used for injecting fluid into the single tube, the blocking piece comprises a movable seat, a through hole is formed in the front face of the movable seat, and a plug is movably connected in the through hole. According to the invention, the support frame is arranged on the air cooler tube plate, the blocking piece is aligned with a single tube to be tested by moving up and down or left and right, a medium is flushed into the single tube after the single tube is blocked, and the pressure is measured, so that the nut is not required to be locked for many times, the insertion end is inserted into the single tube by pushing the connecting tube, and the connecting tube is positioned through the insertion rod and the insertion hole, so that the operation is simple, convenient and quick, and the problems of inconvenience, time and labor waste in pressure measurement in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of air cooler tube bundle pressure test equipment, in particular to an air cooler tube bundle sorting pressure test device.
Background
The pressure test is to test the pressure bearing capacity of the workpiece, equipment or pipeline during the manufacture or assembly process, and the air cooler is to use ambient air as cooling medium, sweep the outside of the finned tube to cool or condense the high temperature process fluid inside the tube, and is also called as air cooler, and is generally composed of tube bundles, tube boxes, fans, shutters, frameworks and other main parts.
As shown in fig. 11, the air cooler in the prior art generally includes a box 37, two ends of the box 37 are fixedly connected with air cooler tube plates 35, a plurality of single tubes 36 are arranged on the two air cooler tube plates 35, when pressure test is performed, each single tube 36 needs to be subjected to pressure test, and chinese patent with the authority of CN206300758U discloses a tube bundle pressure test leakage detecting device, which performs single tube pressure test on a heat exchange tube in a leakage area after the whole pressure test determines a leakage area, so that the heat exchange efficiency reduction caused by a large Fan Weidu tube of the air cooler is avoided, and the service life of the air cooler is improved, but the device needs to rotate a locking nut for multiple times when the pressure test is performed on the single tubes so as to fix a conical nozzle, which is inconvenient in use and is time-consuming and labor-consuming.
In order to solve the problems, the invention provides a tube bundle sorting and pressure testing device of an air cooler.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to the actual needs, and provide a tube bundle sorting and pressure testing device of an air cooler so as to solve the technical problems.
(2) Technical proposal
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides an air cooler tube bank go out and examine pressure testing device, is including the support frame that is used for being connected device and air cooler tube sheet, be provided with the shutoff piece in the support frame, the shutoff piece can be in support frame reciprocates or control the removal so that aim at the single tube, still includes and presses the subassembly, it is used for to inject fluid into in the single tube to press the subassembly with one of them the shutoff piece is linked together.
Further, the plugging piece comprises a movable seat, a through hole is formed in the front face of the movable seat, and a plug is movably connected in the through hole.
Further, the end cap includes the connecting pipe, the front end fixedly connected with of connecting pipe is conical insertion end, the mounting groove has been seted up to the surface of insertion end, and the inner wall fixedly connected with first sealing washer of mounting groove, the fixed surface of connecting pipe is connected with the guide bar, the spout has been seted up to the inner wall of through-hole, and guide bar and the inner wall sliding connection of spout, the connecting pipe passes through guide bar and through-hole sliding connection, the both ends of guide bar all are provided with the stopper.
Further, the sliding hole that runs through the movable seat lower surface has been seted up to the upper surface of movable seat, and the inner wall sliding connection of sliding hole has the inserted bar, the one end fixedly connected with of movable seat is kept away from to the inserted bar carries the piece, the surface cover of inserted bar is equipped with first spring, the one end and the movable seat fixed connection of first spring, the other end and the piece fixed connection that carry of first spring, the jack with the inserted bar looks adaptation has been seted up on the surface of connecting pipe, the inserted bar inserts in the jack and fixes a position the connecting pipe.
Further, the inner wall sliding connection of connecting pipe has the slide tube, the front end fixedly connected with of slide tube is linked together with the slide tube extension pipe, the one end that the slide tube was kept away from to the extension pipe is sealed, the liquid outlet has been seted up to the surface that the extension pipe is close to the blind end, the front side of inserting the end seted up with the insertion hole of extension pipe looks adaptation, the surface of extension pipe and the corresponding position fixedly connected with second sealing washer of insertion hole, the surface cover of extension pipe is equipped with the second spring, the one end and the inner wall fixed connection of inserting the end of second spring, the other end and the front side fixed connection of slide tube of second spring.
Further, the pressing assembly comprises a pressing pump, a liquid outlet pipe is fixedly connected to a liquid outlet end of the pressing pump, a connecting portion is fixedly connected to one end of the liquid outlet pipe, the liquid outlet pipe is connected with a connecting pipe through the connecting portion, and a pressure gauge is arranged on the surface of the connecting portion.
Further, the connecting portion comprises a fixed pipe fixedly connected with one end of the liquid outlet pipe, the inner wall of the fixed pipe is rotationally connected with a circular rotating block, the inner wall of the rotating block is fixedly connected with a threaded pipe, an inner thread matched with the threaded pipe is formed in the inner wall of the connecting pipe, the connecting pipe is in threaded connection with the threaded pipe through the inner thread, and the threaded pipe can push the sliding pipe to move towards the front side when moving towards the inside of the connecting pipe.
Further, the support frame includes the framework, the both sides sliding connection of framework surface has the sliding sleeve, the positive fixedly connected with connecting rod of sliding sleeve, the one end fixedly connected with cutting ferrule that the framework was kept away from to the connecting rod, the interior roof and the interior bottom wall sliding connection of framework have the same removal frame, movable seat and the inner wall sliding connection who removes the frame.
Further, two groups of fixed blocks are fixedly connected to the back of the frame body, the same bidirectional threaded screw rod is rotatably connected between the upper fixed block and the lower fixed block, two internal threaded blocks are respectively connected to the surfaces of the bidirectional threaded screw rod in a threaded mode, the internal threaded blocks are respectively fixedly connected with the corresponding sliding sleeve, and a knob is fixedly connected to the middle of the surface of the bidirectional threaded screw rod.
Further, still include auxiliary portion, auxiliary portion is used for confirming the positive shell of single tube terminal surface, the auxiliary portion includes fixed connection at the positive shell of insertion end, the shell is upper and lower opening form, the inside of shell is provided with the indicator, the positive fixedly connected with mount of movable seat, the interior bottom wall fixedly connected with third spring of mount, the top fixedly connected with of third spring is used for holding up the backup pad of indicator, the back vent that is used for supplying the end cap to pass through has been seted up in the front of mount, the internal diameter of back vent equals with the external diameter of connecting pipe at least, the terminal surface of backup pad is provided with the fillet, the top surface of mount has been seted up and has been put into the mouth, and the mount inner roof is just to the open-ended stand pipe of shell with the position fixedly connected with that puts into mouth corresponds, the indicator is the spheroid of being made by plastic materials.
(3) The beneficial effects are that:
A. according to the invention, the support frame is arranged on the air cooler tube plate, the blocking piece is aligned with a single tube to be tested by moving up and down or left and right, a medium is flushed into the single tube after the single tube is blocked, and the pressure is measured, so that the nut is not required to be locked for many times, the insertion end is inserted into the single tube by pushing the connecting tube, and the connecting tube is positioned through the insertion rod and the insertion hole, so that the operation is simple, convenient and quick, and the problems of inconvenience, time and labor waste in pressure measurement in the prior art are solved.
B. According to the invention, fluid sequentially passes through the liquid inlet pipe, the fixed pipe, the rotating block, the threaded pipe, the connecting pipe and the extension pipe to enter the single pipe through the pressurizing pump, and after the pressure is maintained for a period of time, whether leakage exists can be judged by observing the reading of the pressure gauge, so that the pressure test operation is convenient for a user.
C. According to the invention, the liquid inlet pipe is conveniently communicated with the connecting pipe through the rotating block and the threaded pipe, the sliding pipe is pushed to move through the movement of the threaded pipe, and then the extension pipe is moved into the shell, and the shell is in an upper-lower opening shape, so that the extension pipe is communicated with the single pipe, fluid is conveniently injected into the single pipe, the second sealing ring on the extension pipe seals the insertion hole through the second spring, air leakage is prevented, and the single pipe is plugged by the plugging piece at the other end.
D. According to the invention, the knob is rotated to drive the bidirectional threaded screw rod to rotate, so that the two internal threaded blocks are driven to be close to each other, the two sliding sleeves are driven to be close to each other, the two connecting rods are driven to be close to each other, and the corresponding two clamping sleeves are driven to be close to each other, so that the device is connected with the air cooler tube plate, the plugging piece is not required to be fixed for a plurality of times, and the use convenience of the device is improved.
E. According to the invention, the connecting pipe is pushed to drive the insertion end to move, so that the shell is driven to move towards the front side, when the shell moves into the single pipe, the supporting plate is separated from the indicating piece, the indicating piece falls into the single pipe from the shell, and as the indicating piece is a sphere made of plastic materials, the indicating piece has stronger elasticity and can move along the single pipe until moving out from the other end of the single pipe, a user can conveniently find out two end faces of the single pipe, and the user can conveniently and quickly determine the single pipe for pressure test on the other side.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a support frame according to the present invention;
FIG. 3 is a schematic perspective view of a closure according to the present invention;
FIG. 4 is a schematic side cross-sectional view of a closure of the present invention;
FIG. 5 is a schematic cross-sectional view of a connecting tube, an insertion end and a first seal ring according to the present invention;
FIG. 6 is a schematic perspective view of a sliding tube and an extension tube according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6A according to the present invention;
FIG. 8 is a schematic perspective view of a bi-directional threaded screw of the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8B in accordance with the present invention;
FIG. 10 is a schematic perspective view of a pressing assembly according to the present invention;
FIG. 11 is a schematic perspective view of an air cooler according to the prior art of the present invention;
fig. 12 is a schematic view of a three-dimensional (sectional view of a fixing frame) structure of an auxiliary part of the present invention.
The reference numerals are as follows:
1. a support frame; 2. a blocking member; 3. a pressing assembly; 4. a movable seat; 5. a plug; 6. a connecting pipe; 7. an insertion end; 8. a first seal ring; 9. a guide rod; 10. a limiting block; 11. a rod; 12. lifting blocks; 13. a first spring; 14. a sliding tube; 15. an extension tube; 16. a liquid outlet; 17. a second seal ring; 18. a second spring; 19. a pressurizing pump; 20. a liquid outlet pipe; 21. a connection part; 22. a pressure gauge; 23. a fixed tube; 24. a rotating block; 25. a threaded tube; 26. a frame; 27. a sliding sleeve; 28. a connecting rod; 29. a cutting sleeve; 30. a moving frame; 31. a fixed block; 32. a two-way threaded screw rod; 33. an internal thread block; 34. a knob; 35. an air cooler tube plate; 36. a single tube; 37. a case; 38. a housing; 39. an indicator; 40. a fixing frame; 41. a third spring; 42. a support plate; 43. a guide tube.
Detailed Description
The invention is further illustrated by the following examples in connection with figures 1-12:
as shown in fig. 1-12, the air cooler tube bundle sorting and pressure testing device comprises a support frame 1 for connecting the pressure testing device with an air cooler tube plate 35, wherein a plugging piece 2 is arranged in the support frame 1, the plugging piece 2 can move up and down or left and right on the support frame 1 so as to be aligned with a single tube 36, and the air cooler tube bundle sorting and pressure testing device further comprises a pressing assembly 3, wherein the pressing assembly 3 is communicated with one plugging piece 2 and used for injecting fluid into the single tube 36.
The plugging piece 2 comprises a movable seat 4, a through hole is formed in the front face of the movable seat 4, and a plug 5 is movably connected in the through hole.
The end cap 5 includes connecting pipe 6, the front end fixedly connected with of connecting pipe 6 is conical insertion end 7, the mounting groove has been seted up on the surface of insertion end 7, and the inner wall fixedly connected with first sealing washer 8 of mounting groove, the fixed surface of connecting pipe 6 is connected with guide bar 9, the spout has been seted up to the inner wall of through-hole, and guide bar 9 and the inner wall sliding connection of spout, connecting pipe 6 passes through guide bar 9 and through-hole sliding connection, the both ends of guide bar 9 all are provided with stopper 10, with the slip scope of restriction connecting pipe 6 is located between two stoppers 10.
The sliding hole that runs through the lower surface of movable seat 4 has been seted up to the upper surface of movable seat 4, and the inner wall sliding connection of sliding hole has inserted bar 11, the one end fixedly connected with of movable seat 4 is kept away from to inserted bar 11 carries piece 12, the surface cover of inserted bar 11 is equipped with first spring 13, the one end and the movable seat 4 fixed connection of first spring 13, the other end and the carrying piece 12 fixed connection of first spring 13, the jack with inserted bar 11 looks adaptation has been seted up on the surface of connecting pipe 6, inserted bar 11 inserts in the jack and fixes a position connecting pipe 6.
Specifically, through installing support frame 1 on air cooler tube sheet 35, with shutoff piece 2 through reciprocate or control with it with the single tube 36 that needs the pressure testing aligns, with single tube 36 shutoff back to its inside flushing medium and pressure measurement, need not to carry out the locking of nut many times, through promoting connecting pipe 6, insert in inserting end 7 single tube 36, fix a position connecting pipe 6 through inserted bar 11 and jack, easy operation, convenience, swift, solved the inconvenient, the time and energy problem of pressure measurement among the prior art.
The inner wall sliding connection of connecting pipe 6 has slide tube 14, slide tube 14's front end fixedly connected with and slide tube 14 be linked together extension tube 15, the one end that slide tube 14 was kept away from to extension tube 15 is sealed, the liquid outlet 16 has been seted up to the surface that the extension tube 15 is close to the blind end, the front side of inserting end 7 has seted up the patchhole with extension tube 15 looks adaptation, the surface of extension tube 15 and the corresponding position fixedly connected with second sealing washer 17 of patchhole, the surface cover of extension tube 15 is equipped with second spring 18, the one end and the inner wall fixed connection of inserting end 7 of second spring 18, the other end and the front side fixed connection of slide tube 14 of second spring 18.
The pressing assembly 3 comprises a pressing pump 19, a liquid outlet pipe 20 is fixedly connected to the liquid outlet end of the pressing pump 19, a connecting portion 21 is fixedly connected to one end of the liquid outlet pipe 20, the liquid outlet pipe 20 is connected with the connecting pipe 6 through the connecting portion 21, and a pressure gauge 22 is arranged on the surface of the connecting portion 21.
The connecting portion 21 comprises a fixed pipe 23 fixedly connected with one end of the liquid outlet pipe 20, an annular rotating block 24 is rotatably connected to the inner wall of the fixed pipe 23, a threaded pipe 25 is fixedly connected to the inner wall of the rotating block 24, internal threads matched with the threaded pipe 25 are formed in the inner wall of the connecting pipe 6, the connecting pipe 6 is in threaded connection with the threaded pipe 25 through the internal threads, and the sliding pipe 14 can be pushed to move to the front side when the threaded pipe 25 moves towards the inside of the connecting pipe 6.
The support frame 1 comprises a frame body 26, sliding sleeves 27 are slidably connected to two sides of the surface of the frame body 26, connecting rods 28 are fixedly connected to the front faces of the sliding sleeves 27, clamping sleeves 29 are fixedly connected to one ends of the connecting rods 28 away from the frame body 26, the inner top wall and the inner bottom wall of the frame body 26 are slidably connected with the same movable frame 30, and the movable seat 4 is slidably connected with the inner wall of the movable frame 30.
Two groups of fixed blocks 31 are fixedly connected to the back of the frame 26, the same two-way threaded screw rod 32 is rotatably connected between the upper fixed block 31 and the lower fixed block 31, two internal threaded blocks 33 are respectively connected to the surfaces of the two-way threaded screw rods 32 in a threaded manner, the internal threaded blocks 33 are respectively fixedly connected with the corresponding sliding sleeves 27, and a knob 34 is fixedly connected to the middle of the surface of the two-way threaded screw rod 32.
Specifically, the fluid sequentially passes through the liquid inlet pipe, the fixed pipe 23, the rotating block 24, the threaded pipe 25, the connecting pipe 6 and the extending pipe 15 and enters the single pipe 36, after a period of pressure preservation, whether leakage exists or not can be judged by observing the reading of the pressure gauge 22, a user can conveniently conduct pressure test operation, the liquid inlet pipe is conveniently communicated with the connecting pipe 6 through the rotating block 24 and the threaded pipe 25, the sliding pipe 14 is pushed to move through the movement of the threaded pipe 25, the extending pipe 15 is further moved into the single pipe 36, the fluid is conveniently injected into the single pipe 36, the second spring 18 enables the second sealing ring 17 on the extending pipe 15 to seal an inserting hole, air leakage is prevented, so that the single pipe 36 is plugged at the other end by the plugging piece 2, the rotating knob 34 drives the bidirectional threaded screw 32 to rotate, the two internal threaded blocks 33 are further driven to be close to each other, the two sliding sleeves 27 are further driven to be close to each other, the two connecting rods 28 are further driven to be close to each other, the corresponding two clamping sleeves 29 are further driven to be mutually close to each other, the device is connected with the device 35, the plugging piece 2 is not required to be fixed for multiple times, and the convenience in use of the device is improved.
Because the air cooler tube bundle has more single tubes 36, after the device is installed at one end of single tubes 36, in order to confirm the position of the other end of single tubes 36 fast, this branch pressure testing device still includes auxiliary part, auxiliary part is used for confirming the position of single tubes 36 terminal surface, auxiliary part includes the positive shell 38 of fixed connection at insertion end 7, shell 38 is upper and lower opening form, the inside of shell 38 is provided with indicator 39, the front fixedly connected with mount 40 of movable seat 4, the interior bottom wall fixedly connected with third spring 41 of mount 40, the top fixedly connected with of third spring 41 is used for holding up indicator 39's backup pad 42, the front of mount 40 has seted up the dodging mouth that is used for the end cap 5 to pass through, dodging the mouth's internal diameter and the external diameter of connecting pipe 6 are equal at least, the terminal surface of backup pad 42 is provided with the fillet, the top surface of mount 40 has seted up the entry, and the mount 40 inner roof and the corresponding position fixedly connected with just to the guide tube 43 of shell 38 opening, indicator 39 is the spheroid of being made by plastic material.
Specifically, the connecting pipe 6 is pushed to drive the insertion end 7 to move, so that the shell 38 is driven to move to the front side, when the shell 38 moves to the inside of the single pipe 36, the supporting plate 42 is separated from the indicator 39, the indicator 39 falls into the single pipe 36 from the inside of the shell 38, and because the indicator 39 is a sphere made of plastic materials and has stronger elasticity, the indicator can move along the single pipe 36 until moving out from the other end of the single pipe 36, a user can conveniently find out two end surfaces of the single pipe 36, so that the user can quickly determine the single pipe 36 for pressure test on the other side, the indicator 39 can be reused, and after the single pipe 36 is subjected to pressure test, the indicator 39 is put into the shell 38 again from the inlet for next use.
Working principle: when the air cooler tube bundle pressure testing device is used, a user firstly moves the device to a working position, connects two pressure testing devices with an air cooler tube plate 35 respectively, the specific method is that a cutting sleeve 29 at the upper side is clamped at the upper side of the air cooler tube plate 35, then a knob 34 is rotated, the knob 34 drives a bidirectional screw rod 32 to rotate, and further drives two corresponding internal screw blocks 33 to mutually approach, the internal screw blocks 33 drive two corresponding sliding sleeves 27 to mutually approach, the sliding sleeves 27 drive two corresponding connecting rods 28 to mutually approach, and further drive the two corresponding cutting sleeves 29 to mutually approach, the two devices are respectively connected with the air cooler tube plates 35 at two sides, the plugging piece 2 is not required to be fixed for a plurality of times, the convenience of using the device is improved, then one of the rotating blocks 24 is rotated, the corresponding screw tube 25 is connected with one of the connecting tubes 6, conveniently connecting the liquid inlet pipe with the connecting pipe 6, in the process of moving the threaded pipe 25, the threaded pipe 25 pushes the sliding pipe 14 to move, the sliding pipe 14 moves the extension pipe 15 into the single pipe 36, the liquid outlet 16 is located in the single pipe 36, the sliding pipe 14 at the other end of the single pipe 36 keeps the single pipe 36 in an original state, then one of the blocking pieces 2 is moved up and down or left and right to align with one end of the single pipe 36 needing pressure test, then the connecting pipe 6 is pushed, the inserting end 7 is inserted into the single pipe 36, the connecting pipe 6 is positioned through the inserted rod 11 and the inserting hole (the initial state of the first spring 13 for installing the inserted rod 11 is in a compressed state, so that the inserted rod 11 is pushed to be pushed by the outer wall of the connecting pipe 6 to move inwards until the inserting hole of the connecting pipe 6 slides to the outer wall of the inserting hole is opposite to the inserted rod 11), the inward movement trend of the inserted link 11 is truly converted into that the inner end of the inserted link 11 is embedded into the jack to form locking), when the pressure meter is used, the user only needs to put the indicator 39 into the shell 38 at the side, in the process, the connecting pipe 6 drives the inserted end 7 to move so as to drive the shell 38 to move to the front side, when the shell 38 moves into the single pipe 36, the supporting plate 42 is separated from the indicator 39 at this time, the indicator 39 falls into the single pipe 36 from the shell 38, and because the indicator 39 is a sphere made of plastic materials, the indicator has stronger elasticity and moves along the single pipe 36 until the indicator moves out from the other end of the single pipe 36, so that the user can conveniently find out two end faces of the single pipe 36, so that the user can quickly determine the pressure meter 36 at the other side, the indicator 39 can be reused, then the other end of the single pipe 36 is plugged in the same way, the pressurizing pump 19 is started again, and fluid is sequentially pumped into the single pipe 36 through the liquid inlet pipe 23, the rotating block 24, the threaded pipes 25 and 6 and the extension pipe 15, and the pressure meter can be observed after the pressure meter is kept for a certain time, and whether the pressure meter leakage exists can be conveniently judged; the sliding tube 14 is pushed to move through the movement of the threaded tube 25, the extension tube 15 is further moved into the single tube 36, fluid is conveniently injected into the single tube 36, the second spring 18 is utilized, the second sealing ring 17 on the extension tube 15 seals the insertion hole, air leakage is prevented, the single tube 36 is conveniently plugged by the plugging piece 2 at the other end, the nut is not required to be locked for many times, the operation is simple, convenient and quick, and the problems of inconvenience, time and labor waste in pressure measurement in the prior art are solved.
The embodiments of the present invention are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various extensions and modifications can be made without departing from the spirit of the present invention.
Claims (4)
1. The utility model provides an air cooler tube bank branch is examined pressure testing device, its characterized in that, including support frame (1) that is used for being connected device and air cooler tube sheet (35), be provided with shutoff piece (2) in support frame (1), shutoff piece (2) can be at support frame (1) reciprocates or control and remove so as to aim at single tube (36), still include and beat pressure subassembly (3), beat pressure subassembly (3) with one of them shutoff piece (2) are linked together and are used for injecting fluid into in single tube (36), shutoff piece (2) include movable seat (4), the through-hole has been seted up in the front of movable seat (4), and through-hole internal swing joint has end cap (5), end cap (5) are including connecting pipe (6), the front end fixedly connected with of connecting pipe (6) is conical insertion end (7), the mounting groove has been seted up on the surface of insertion end (7), and the inner wall fixedly connected with first sealing washer (8) of mounting groove, the surface fixedly connected with guide bar (9) of connecting pipe (6), the inner wall of through-hole has seted up the spout, and guide bar (9) are connected with guide bar (10) through-hole (6) slide connection, guide bar (10), the front end fixedly connected with of slide tube (14) is connected with extension tube (15) that is linked together with slide tube (14), the one end that slide tube (14) was kept away from to extension tube (15) is sealed, liquid outlet (16) have been seted up on the surface that slide tube (15) is close to the blind end, the front side of inserting end (7) has been seted up with the insertion hole of extension tube (15) looks adaptation, the surface of extension tube (15) and the corresponding position fixedly connected with second sealing washer (17) of insertion hole, the surface cover of extension tube (15) is equipped with second spring (18), the one end and the inner wall fixed connection of inserting end (7) of second spring (18), the other end and the front side fixed connection of slide tube (14) of second spring (18), the play pressure subassembly (3) are including pump (19), the liquid outlet end fixedly connected with drain pipe (20) of pump (19), one end fixedly connected with connecting portion (21) of drain pipe (20), drain pipe (20) are through connecting portion (21) and connecting portion (21) are connected with one end fixedly connected with one end (23) of connecting tube (23) fixedly connected with one end (23), the inner wall of the rotating block (24) is fixedly connected with a threaded pipe (25), the inner wall of the connecting pipe (6) is provided with an inner thread matched with the threaded pipe (25), the connecting pipe (6) is in threaded connection with the threaded pipe (25) through the inner thread, the threaded pipe (25) can push the sliding pipe (14) to move towards the front side when moving towards the inside of the connecting pipe (6), the rotating block further comprises an auxiliary part, the auxiliary part is used for determining the position of the end face of the single pipe (36), the auxiliary part comprises a shell (38) fixedly connected to the front side of the inserting end (7), the shell (38) is in an upper opening shape, the inside of the shell (38) is provided with an indicating piece (39), the front side of the movable seat (4) is fixedly connected with a fixing frame (40), the inner bottom wall of the fixing frame (40) is fixedly connected with a third spring (41), the top end of the third spring (41) is fixedly connected with a supporting plate (42) used for supporting the indicating piece (39), the front side of the fixing frame (40) is provided with an avoidance opening used for enabling a plug (5) to pass through, the avoidance opening is at least equal to the outer diameter of the end face of the connecting pipe (6), the round corner is provided with the round corner opening (42), and a guide tube (43) which is opposite to the opening of the shell (38) is fixedly connected to the inner top wall of the fixing frame (40) and the position corresponding to the placement opening, and the indicator (39) is a spheroid made of plastic materials.
2. The air cooler tube bundle pressure testing device as set forth in claim 1, wherein: the utility model discloses a connecting pipe, including movable seat (4), connecting pipe, jack and connecting pipe (6), the sliding hole that runs through movable seat (4) lower surface has been seted up to the upper surface of movable seat (4), and the inner wall sliding connection of sliding hole has inserted bar (11), one end fixedly connected with of movable seat (4) is kept away from to inserted bar (11) carries piece (12), the surface cover of inserted bar (11) has first spring (13), one end and movable seat (4) fixed connection of first spring (13), the other end and the lifting piece (12) fixed connection of first spring (13), jack with inserted bar (11) looks adaptation has been seted up on the surface of connecting pipe (6), jack is inserted in to connecting pipe (6) location.
3. The air cooler tube bundle pressure testing device as set forth in claim 1, wherein: the support frame (1) comprises a frame body (26), sliding sleeves (27) are connected to two sides of the surface of the frame body (26) in a sliding mode, connecting rods (28) are fixedly connected to the front faces of the sliding sleeves (27), clamping sleeves (29) are fixedly connected to one ends, far away from the frame body (26), of the connecting rods (28), the inner top wall and the inner bottom wall of the frame body (26) are connected with the same movable frame (30) in a sliding mode, and the movable seat (4) is connected with the inner wall of the movable frame (30) in a sliding mode.
4. A pressure test device for air cooler tube bundle sorting as set forth in claim 3, wherein: the back fixedly connected with two sets of fixed blocks (31) of framework (26), rotate between two upper and lower fixed blocks (31) that correspond and be connected with same two-way screw (32), the surface of two-way screw (32) is threaded respectively and is connected with two internal thread pieces (33), internal thread piece (33) respectively with sliding sleeve (27) fixed connection that correspond, the surface middle part fixedly connected with knob (34) of two-way screw (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311512784.1A CN117232754B (en) | 2023-11-14 | 2023-11-14 | Air cooler tube bank is examined pressure testing device separately |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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