CN108361468B - A kind of central air-conditioning pipeline repair apparatus - Google Patents
A kind of central air-conditioning pipeline repair apparatus Download PDFInfo
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- CN108361468B CN108361468B CN201810176721.6A CN201810176721A CN108361468B CN 108361468 B CN108361468 B CN 108361468B CN 201810176721 A CN201810176721 A CN 201810176721A CN 108361468 B CN108361468 B CN 108361468B
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- heat exchanger
- exchanger tube
- rod
- spring
- repairing
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- 230000008439 repair process Effects 0.000 title claims abstract description 41
- 238000004378 air conditioning Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 239000010985 leather Substances 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 12
- 238000002474 experimental method Methods 0.000 abstract description 5
- 230000011218 segmentation Effects 0.000 abstract description 3
- 210000000515 tooth Anatomy 0.000 description 35
- 230000000903 blocking effect Effects 0.000 description 10
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 5
- 229940059936 lithium bromide Drugs 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000033999 Device damage Diseases 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000036339 tooth positioning Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1652—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section
- F16L55/1654—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section and being inflated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to technical field of central air, more particularly to a kind of central air-conditioning pipeline repair apparatus, detection device includes: industrial personal computer, detector, blocks casing, casing pressurizing unit and gauge head telecontrol equipment, detector is connect by vacuum tube with industrial personal computer, the lower end of the detector is provided with closure set pipe sleeve, the casing pressurizing unit is socketed in the middle part of detector, and the detector upper end is also socketed with gauge head telecontrol equipment；Repair apparatus includes: spring-backed quill, expansion loop and retaining mechanism, and the both ends of the spring-backed quill are provided with an expansion loop, and two expansion loops are socketed in the inside of spring-backed quill, and the retaining mechanism is clamped on two expansion loops；Realize that exchange inside heat pipe carries out segmentation pressure maintaining experiment, to find out the leak source position inside heat exchanger tube；It drives two expansion loops that spring-backed quill is fixed on inside heat exchanger tube by retaining mechanism, realizes the repairing of exchange heat pipe leak source.
Description
Technical field
The present invention relates to technical field of central air more particularly to a kind of central air-conditioning pipeline repair apparatus.
Background technique
Central air-conditioning is to control different rooms in such a way that wind fire hot water pipe connects multiple ends by a host
To reach the air-conditioning that room air adjusts purpose, host has a variety of cold-storage modes, and BrLi chiller therein is with thermal energy
For power, shakes small, low noise advantages and occupied an important position in host computer market.Lithium bromide refrigerator is to utilize different temperatures
Lower lithium bromide water solution realizes that refrigeration, this circulation will realize system using external source with release to the absorption of vapor
Cold, commonly using heat source is steam, hot water, combustion gas, fuel oil etc., and lithium bromide refrigerator has the advantages that many uniquenesses, develops in recent years
Very rapidly, several heat exchanger tubes are provided in the components such as the condenser, evaporator and absorber of BrLi chiller,
In actual use due to heat exchanger tube quality itself, hydraulic shock or solution corrosion etc., the damage of heat exchanger tube is often resulted in
It is bad, leak source is caused on tube body, refrigeration effect is caused to decline, and can make lithium-bromide solution that the Crystallization Plugging pump housing, mesh occur when serious
Preceding method for maintaining is nitrogen to be squeezed into body, while one end of heat exchanger tube being blocked by plug, and in the another of heat exchanger tube
Brushing suds in one end form soap moisture film, the quality of heat exchanger tube are judged from the swelling state of soap moisture film, in the heat exchange of damage
Pipe both ends by plug block, if damage heat exchanger tube it is more duty need integral replacing, now the problem is that, due to heat exchange
The quantity of pipe is more, it usually needs the quality of several hundred heat exchanger tubes of detection is blocked and visually observed either manually or by plug, is easy
Existing human error, causes existing detection method accuracy poor, while can not judge the specific location of leak source, while after closure
Heat exchanger tube will lose heat exchange function, lead to the reduction of unit refrigerating efficiency, the cost of integral replacing heat exchanger tube is huge.
Summary of the invention
The present invention overcomes above-mentioned the deficiencies in the prior art, provide a kind of central air-conditioning pipeline repair apparatus, to
Lead to the reduction of unit refrigerating efficiency after solving the problem of the poor closure of existing central air-conditioning heat exchanger tube detection method accuracy.
Technical solution of the present invention:
A kind of central air-conditioning heat exchanger tube device for detecting leak point, comprising: industrial personal computer, detector block casing, casing extruding dress
It sets and is internally provided with axially extending bore with gauge head telecontrol equipment, the detector, the upper end of through-hole passes through vacuum tube and industrial personal computer
Connection, the lower end of the detector are provided with the cup-like structure that outer diameter gradually increases, and the casing that blocks is socketed in the cup
In shape structure, the casing pressurizing unit is socketed in the middle part of detector, and the lower end of casing pressurizing unit and closure casing
Upper end is fixedly connected, and the detector upper end is also socketed with gauge head telecontrol equipment；
The sleeve extruding device includes: thrust bearing, rotation lantern ring, lantern ring drive ring, and drive ring screw rod and driving are electric
Machine, the thrust bearing are actively socketed on detector, and the lower end surface of thrust bearing is fixedly connected with the upper surface for blocking casing,
Restraining position ring block is arranged in the outside of the thrust bearing, and one end of stop collar is fixedly connected with one end of thrust bearing, stop collar
The other end is provided with the outer to the other end axial limiting of thrust bearing, and upper end and the rotation lantern ring of the thrust bearing are fixed
Connection, rotary sleeve ring are socketed on detector, and the inside of the rotation lantern ring is connect by screw thread with detector, the rotary sleeve
Several axially extending bores are additionally provided on ring, circumference in equal parts is arranged several axially extending bores in a ring on rotation lantern ring, described
It is provided with lantern ring drive ring above rotation lantern ring, lantern ring drive ring is socketed on detector by bearing, the lantern ring driving
Several polished rods corresponding with the axially extending bore on the rotation lantern ring are provided on the outside of ring, polished rod is logical across the axial direction
Hole is provided with a circle annular tooth on the upper end outer wall of the lantern ring drive ring, and the annular tooth is engaged with two drive ring screw rods,
Two drive ring screw rods are symmetrical arranged, and two drive ring screw rods pass through gear and connect with a driving motor, described
Driving motor is fixedly connected with detector；
The gauge head telecontrol equipment includes: gauge head motion motor, bearing, articulated jib and moving wheel, and the bearing is socketed in
On detector, a circle annular tooth is provided on the outer ring of bearing, annular tooth is connect by gear with two gauge head motion motors, and two
A gauge head motion motor is symmetrical arranged, and two gauge head motion motors are fixedly connected with detector, on the outer ring of the bearing also
Be hinged with several articulated jibs, circumference in equal parts is arranged several articulated jibs in a ring, one end of the articulated jib by spring with
The outer ring of bearing connects, and the other end of articulated jib is protruding, and movement is provided on one end that the articulated jib stretches out outward
Wheel, moving wheel are obliquely installed.
Further, the industrial personal computer includes: vacuum pump, pressure gauge and valve, and the vacuum pump is connect with vacuum tube, pressure
Power table is arranged on vacuum tube, and the valve is arranged on the vacuum tube between pressure gauge and vacuum pump.
Further, be additionally provided with shell on the outside of the detector, the closure casing, casing pressurizing unit and
Gauge head telecontrol equipment is arranged in shell.
A kind of pipeline leak source detection method of BrLi chiller, comprising the following steps:
Step a: it is inserted into a device for detecting leak point respectively at the both ends of heat exchanger tube, passes through the drive inside device for detecting leak point
Dynamic motor drives the rotation of drive ring screw rod, and drive ring screw rod pushes the rotation of lantern ring drive ring, the light that lantern ring drive ring passes through lower end
Bar drive rotation lantern ring rotation, rotation lantern ring moved downward by the screw thread on detector, rotation lantern ring push thrust bearing to
Lower movement, thrust bearing are pressed down against closure casing, and the lower end for blocking casing is opened up under the expansion of detector lower end cup-like structure
It opens and blocks the both ends of heat exchanger tube；
Step b: opening industrial personal computer, and industrial personal computer will be pumped into negative pressure in pipe by the axially extending bore inside vacuum tube and detector
State, and pressure maintaining is carried out, judge whether there is leak source on heat exchanger tube by pressure maintaining；
Step c: for the heat exchanger tube with leak source, the length of heat exchanger tube is measured with ruler outside heat exchanger, is being changed
One end of heat pipe continues to be blocked with device for detecting leak point, and the device for detecting leak point of the heat exchanger tube other end is by making driving motor
Reversion, withdraws and starts gauge head motion motor after blocking casing, and gauge head motion motor drives the outer ring rotating of bearing, axis by gear
The outer ring held drives several articulated jibs to rotate, and articulated jib drives moving wheel to roll along the inner wall of heat exchanger tube, pushes leak source inspection
It surveys device to advance, vacuum pressure maintaining is re-started after the distance of advance one end, and repeat the operation of advance and pressure maintaining, until leak source detects
Device crosses leak source position, and the forward travel distance of device for detecting leak point is subtracted with the length of heat exchanger tube, obtains leak source apart from heat exchanger tube
The distance of one end；
Step d: repeating the operation in step c in the other side of heat exchanger tube, obtain leak source apart from the heat exchanger tube other end away from
From, and then obtain position of the leak source in heat exchanger tube and leak source is repaired.
Further, the forward travel distance of device for detecting leak point is 5-10cm in the step c.
Further, in the step c device for detecting leak point first time forward travel distance be heat exchanger tube length three/
One, forward travel distance later is 1/6th of heat exchanger tube length.
Further, the vacuum pump on industrial personal computer is first opened in the operation of the vacuum pressure maintaining, valve is then opened, in pressure
The pressure value for being less than local standard atmospheric pressure is calibrated on the dial plate of table, the pointer to pressure gauge reaches nominal pressure value
Afterwards, the valve on industrial personal computer is closed, vacuum pump is then shut off, carries out pressure maintaining.
A kind of central air-conditioning pipeline repair apparatus, comprising: spring-backed quill, expansion loop and retaining mechanism, the resilient sleeve
The both ends of pipe are provided with an expansion loop, and two expansion loops are socketed in the inside of spring-backed quill, the retaining mechanism
It is clamped on two expansion loops；
The expansion loop is the c-type snap ring with opening, and the opening both ends of c-type snap ring have lap, and again
Folded part is axial overlap, is provided with a hinged seat on the inside of the opening both ends of the expansion loop, on each hinged seat
It is hinged with a casing, two casings are socketed in the both ends of positive and negative tooth screw rod respectively, and the inside of two casings is respectively arranged with
The centre of the internal screw thread matched with the both ends screw thread of positive and negative tooth screw rod, the positive and negative tooth screw rod is provided with screw gear；
The retaining mechanism includes: the body of rod, pinion stand, locking motor, synchronous belt, promotes motor and clamping plate, the bar
Body passes through above the positive and negative tooth screw rod at two expansion loop centers, pinion stand there are two sockets on the body of rod, on two pinion stands
It is provided with a positioning bolt, the positioning bolt passes through the through-hole of pinion stand side and connect by screw thread with pinion stand, two
It is provided with a locking gear on a pinion stand, two locking gears are engaged with a screw gear respectively, and two
It is fixedly connected to a leather belt roller in the shaft of the locking gear, passes through synchronous band connection between two leather belt rollers,
In the side of locking gear described in one be provided with locking motor, the rotation axis of the locking motor and the rotation of locking gear
Axis connection, locking motor are fixedly connected by connecting rod with pinion stand, positive and negative tooth of the clamping plate from two expansion loop centers
It is passed through below screw rod, there are two clamp arm, two clamp arms are located at positive and negative tooth screw rod for one end setting of the clamping plate
Both ends are simultaneously and casing-contact, the other end of clamping plate are provided with sliding block, and clamping plate is vacantly arranged in by connection frame in the sliding block
Top, a screw rod is socketed in the sliding block, the upper end of screw rod is fixedly connected with the rotation axis for promoting motor, promotes motor
It is fixedly connected with the body of rod.
Further, tensioning wheel is additionally provided on the pinion stand, the tensioning wheel is solid by connecting rod and pinion stand
Fixed connection.
Further, several fixed sleevings are provided between the body of rod and clamping plate.
A kind of air-conditioning duct method for repairing and mending for exempting to change pipe, comprising the following steps:
Step a: intercepted length is greater than one section of spring-backed quill of leak source, and two expansion loops are respectively embedded into the two of spring-backed quill
End rotates two screw gears respectively, drives positive and negative tooth screw rod to rotate by screw gear, pushes two sides by positive and negative tooth screw rod
Casing move out, prop up two expansion loops by the both ends of spring-backed quill；
Step b: the spacing of two pinion stands on adjustment retaining mechanism adapts to the position of two expansion loops, screw pinion stand
On positioning bolt pinion stand is locked, will retaining mechanism be inserted into spring-backed quill in, pass through starting promoted motor drive clamping plate
It moves upwards, engages the locking gear on two pinion stands with two screw gears respectively, while making two on clamping plate
Clamp arm is clamped from the lower end of casing；
Step c: retaining mechanism is sent into heat exchanger tube, makes the spring-backed quill of retaining mechanism front end that leak source be completely covered, together
When two expansion loops be located at the two sides of leak source；
Step d: starting locking motor, locking motor rotate synchronously two locking gears by synchronous belt, drive two
Screw gear rotation, screw gear drive positive and negative tooth screw rod rotation, push the casing of two sides to move out by positive and negative tooth screw rod,
Two expansion loops are propped up by the both ends of spring-backed quill until spring-backed quill is fixed and clamped in heat exchanger tube by two expansion loops
On wall, locking motor is closed, starting promotes motor reversal, clamping plate is fallen；
Step e: taking out retaining mechanism, completes the repairing of heat exchanger tube leak source.
Further, the length that spring-backed quill is intercepted in the step a is at least 2 times of leak source width.
Further, clamping plate is fallen into expansion loop bottom in the step e, and retaining mechanism is risen, make two
Locking gear on pinion stand is disengaged from two screw gears respectively.
The invention has the benefit that
1) a kind of detector of central air-conditioning heat exchanger tube device for detecting leak point of the present invention is internally provided with axially extending bore, through-hole
Upper end connect with industrial personal computer by vacuum tube, the lower end of detector is provided with the cup-like structure that outer diameter gradually increases, and closure covers
Pipe is socketed in cup-like structure, and casing pressurizing unit is socketed in the middle part of detector, and the lower end of casing pressurizing unit and closure cover
The upper end of pipe is fixedly connected, and detector upper end is also socketed with gauge head telecontrol equipment；Thus structure may be implemented to move by gauge head
Mechanism will test head and send to heat exchanger tube, squeezes one section of inside heat pipe of exchange of closure casing by casing pressurizing unit and is sealed
It is stifled, pressure maintaining experiment is carried out by industrial personal computer, and then realize that exchange inside heat pipe carries out segmentation pressure maintaining experiment, to find out heat exchanger tube
Internal leak source position.
2) detection device itself of the invention has the function of closure and vacuum pressure maintaining, may be implemented by heat exchanger tube
A detection device is inserted at both ends respectively, carries out pressure maintaining experiment, relative to existing detection mode, does not need to be exchanged heat with plug
Pipe one end blocks, and saves manpower, while not needing to visually observe mode lathery and judging tube body state, have detect it is more accurate
The characteristics of.
3) a kind of spring-backed quill both ends of central air-conditioning pipeline repair apparatus of the present invention are provided with an expansion loop, and two
A expansion loop is socketed in the inside of spring-backed quill, and the retaining mechanism is clamped on two expansion loops, and thus structure can
To realize that retaining mechanism carries spring-backed quill and is moved to leak source by the way that retaining mechanism to be sent into inside heat exchanger tube, pass through locking
Mechanism drives two expansion loops that spring-backed quill is fixed on inside heat exchanger tube, realizes the repairing of exchange heat pipe leak source.
4) leak source that repair apparatus of the invention can exchange heat pipe is repaired, and heat exchanger tube still has heat exchange after repairing
Function will not influence the system of unit since heat exchanging fluid can still pass through heat exchanger tube after repairing relative to existing repair method
Cold efficiency, while manpower and maintenance cost can be saved to avoid the integral replacing of heat exchanging pipe when heat exchanger tube damages more,
Extend the service life of heat exchanger tube.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of central air-conditioning heat exchanger tube device for detecting leak point；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is a kind of use state diagram of central air-conditioning heat exchanger tube device for detecting leak point；
Fig. 4 is the structural schematic diagram of the specific embodiment of the invention four；
Fig. 5 is the structural schematic diagram of the specific embodiment of the invention five and six；
Fig. 6 is a kind of overall structure diagram of central air-conditioning pipeline repair apparatus；
Fig. 7 is the side view of Fig. 6；
Fig. 8 is the top view of Fig. 6；
Fig. 9 is the structural schematic diagram of the expansion loop in Fig. 6；
Figure 10 is the structural schematic diagram of the specific embodiment of the invention 14；
Figure 11 is the structural schematic diagram of the specific embodiment of the invention 15；
Figure 12 is the structural schematic diagram of the specific embodiment of the invention 16；
In figure: 1- industrial personal computer；2- detector；3- blocks casing；4- casing pressurizing unit；5- gauge head telecontrol equipment；6- is deep
Spend ruler；7- spring-backed quill；8- expansion loop；9- retaining mechanism；21- shell；22- auxiliary wheel；23- through-hole；41- thrust bearing；42-
Rotate lantern ring；43- lantern ring drive ring；44- drive ring screw rod；45- driving motor；51- gauge head motion motor；52- bearing；53-
Articulated jib；54- moving wheel；61- spool；62- scroll spring；63- scroll rack；64- telescopic rod；65- fixed pin；66- depth rope；
81- hinged seat；82- casing；The positive and negative tooth screw rod of 83-；84- screw gear；The 91- body of rod；92- pinion stand；93- locking motor；94-
Synchronous belt；95- promotes motor；96- clamping plate；97- repairs telecontrol equipment；98- repairs auxiliary wheel；99- repairs depthometer；221-
Rotating wheel；222- hinge bar；223- limited block；The first hinge bar of 241-；The second hinge bar of 242-；243- anti-slippery fellow；411- limit
Position ring；431- polished rod；921- tensioning wheel；961- sliding block；962- fixed sleeving；971- repairs motion motor；972- repairs bearing；
973- repairs articulated jib；974- repairs moving wheel；981- repairs rotating wheel；982- repairs hinge bar；983- repairs limited block；
984- repairs reset spring；991- repairs spool；992- repairs scroll spring；993- repairs scroll rack；994- repairs telescopic rod；
995- repairs fixed pin；996- repairs depth rope.
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail:
Specific embodiment one
Referring to figs. 1 and 2, a kind of central air-conditioning heat exchanger tube device for detecting leak point disclosed in the present embodiment, comprising: work
Control machine 1, detector 2, closure casing 3, casing pressurizing unit 4 and gauge head telecontrol equipment 5, the detector 2 are internally provided with
The upper end of axially extending bore, through-hole is connect by vacuum tube with industrial personal computer 1, and the lower end of the detector 2 is provided with outer diameter and gradually increases
The cup-like structure added, the casing 3 that blocks are socketed in the cup-like structure, and the casing pressurizing unit 4 is socketed in inspection
2 middle part of gauge head, and the lower end of casing pressurizing unit 4 is fixedly connected with the upper end for blocking casing 3,2 upper end of detector also covers
It is connected to gauge head telecontrol equipment 5；It is squeezed by casing pressurizing unit 4 and blocks casing 3, make to block 3 lower end of casing in the cup of detector 2
The sliding of shape body structure surface, the end for blocking casing 3 are opened, and the gap that will test between first 2 and heat exchanger tube blocks, and industrial personal computer 1 is logical
The axially extending bore crossed inside detector 2 is vacuumized to the closed area of 2 front end of detector and is carried out pressure maintaining, passes through pressure maintaining feelings
Condition judges the quality of heat exchanger tube.
The sleeve extruding device 4 includes: thrust bearing 41, rotation lantern ring 42, lantern ring drive ring 43, drive ring screw rod 44
With driving motor 45, the thrust bearing 41 is actively socketed on detector 2, the lower end surface of thrust bearing 41 and closure casing 3
Upper surface be fixedly connected, restraining position ring block 411, one end of stop collar 411 and thrust axis is arranged in the outside of the thrust bearing 41
41 one end is held to be fixedly connected, the other end of stop collar 411 is provided with the outer to the other end axial limiting of thrust bearing 41,
The upper end of the thrust bearing 41 is fixedly connected with rotation lantern ring 42, and rotation lantern ring 42 is socketed on detector 2, the rotary sleeve
The inside of ring 42 is connect by screw thread with detector 2, is additionally provided with several axially extending bores on the rotation lantern ring 42, several
Circumference in equal parts is arranged axially extending bore in a ring on rotation lantern ring 42, and the top of the rotation lantern ring 42 is provided with lantern ring drive ring
43, lantern ring drive ring 43 is socketed on detector 2 by bearing, and the outside of the lantern ring drive ring 43 is provided with several and institute
The corresponding polished rod 431 of axially extending bore on rotation lantern ring 42 is stated, polished rod 431 passes through the axially extending bore, the lantern ring drive ring
A circle annular tooth is provided on 42 upper end outer wall, the annular tooth is engaged with two drive ring screw rods 44, two drivings
Circumfili bar 44 is symmetrical arranged, and two drive ring screw rods 44 are connect by gear with a driving motor 45, the driving electricity
Machine 45 is fixedly connected with detector 2；
The gauge head telecontrol equipment 5 includes: gauge head motion motor 51, bearing 52, articulated jib 53 and moving wheel 54, the axis
It holds 52 to be socketed on detector 2, a circle annular tooth is provided on the outer ring of bearing 52, annular tooth is transported by gear and two gauge heads
Dynamic motor 51 connects, and two gauge head motion motors 51 are symmetrical arranged, and two gauge head motion motors 51, which are fixed with detector 2, to be connected
It connecing, several articulated jibs 53 is also hinged on the outer ring of the bearing 52, circumference in equal parts is arranged several articulated jibs 53 in a ring,
One end of the articulated jib 53 is connect by spring with the outer ring of bearing 52, and the other end of articulated jib 53 is protruding, the hinge
It connects and is provided with moving wheel 54 on one end that arm 53 stretches out outward, moving wheel 54 is obliquely installed；
It will test first 2 by gauge head telecontrol equipment 5 to be sent into inside heat exchanger tube, exchange heat pipe carries out segmentation detection, and according to
The extension elongation of the vacuum tube connected on detector 2 obtains depth of the detector 2 in heat exchanger tube, determines the specific position of leak source
It sets.
Specific embodiment two
The present embodiment is on the basis of specific embodiment one, and difference is, the industrial personal computer 1 includes: vacuum pump, pressure
Power table and valve, the vacuum pump are connect with vacuum tube, and pressure gauge is arranged on vacuum tube, valve setting pressure gauge with
On vacuum tube between vacuum pump；Valve is closed after vacuum pump forms subnormal ambient and carries out pressure maintaining, and is observed by pressure gauge
Pressure change realizes vacuum pressure maintaining experiment.
Specific embodiment three
The present embodiment is on the basis of specific embodiment one, and difference is, the outside of the detector 2 is also set up
There is shell 21, the closure casing 3, casing pressurizing unit 4 and gauge head telecontrol equipment 5 are arranged in shell 21；Pass through shell
Body provides protection to internal component, prevents device damage when in use.
Specific embodiment four
As shown in connection with fig. 4, the present embodiment is on the basis of specific embodiment one, and difference is, a kind of graphite
Heat exchanger device for detecting leak point further includes depthometer 6, and the depthometer 6 includes: spool 61, scroll spring 62, scroll rack 63, stretches
Contracting bar 64, fixed pin 65 and depth rope 66 are provided with deep identification scale, one end of depth rope 66 and inspection on the depth rope 66
Gauge head 2 connects, and the other end of depth rope 66 is wrapped on spool 61, and the both ends of spool 61 and spindle housing 63 are rotatablely connected, described
Scroll spring 62 is provided between spool 61 and spindle housing 63, the scroll rack 63 is fixedly connected with one end of telescopic rod 64, stretches
The other end of contracting bar 64 and one end of fixed pin 65 are hinged, and the fixed pin 65 is inserted into adjacent heat exchanger tube；
For the heat exchanger tube with leak source, the length of heat exchanger tube is measured with ruler outside heat exchanger, in heat exchanger tube
One end continues to be blocked with device for detecting leak point, will be deep before the device for detecting leak point insertion heat exchanger tube of the heat exchanger tube other end
Degree rope 66 is connect with device for detecting leak point, and the fixed pin 65 on depthometer 6 is inserted into adjacent heat exchanger tube and is fixed, and is drawn
Dynamic telescopic rod 64 adjusts the position of spool, keeps depth rope 66 parallel with the axis of heat exchanger tube, and device for detecting leak point, which advances, to be pulled deeply
Degree rope 66, drives spool 61 to rotate, while depth rope 66 is straightened in scroll spring 62.
Specific embodiment five
As shown in connection with fig. 5, the present embodiment is on the basis of specific embodiment one, and difference is, the leak source detection
Several auxiliary wheels 22 are additionally provided on the lower end outer wall of device, the auxiliary wheel 22 described in several is on the outer wall of shell 21
The setting of annular circumference in equal parts, the auxiliary wheel 22 include: rotating wheel 221, hinge bar 222, limited block 223 and reset spring 224,
The hinge bar 222 is hinged on shell 21, and one end of hinge bar 222 is connect by spring with shell 21, hinge bar 222
The other end is protruding, and the outwardly directed one end of the hinge bar 222 is provided with rotating wheel 221, the rotation direction of rotating wheel 221
Along the axial direction of heat exchanger tube, the outside of the hinge bar 222 is provided with limited block 223, limited block 223 and shell 21 is fixed connects
It connects.
Device for detecting leak point movement when, several auxiliary wheels 22 will test first 2 and lift, guarantee detector 2 axis with
The axis of heat exchanger tube is parallel, and detector 2 is avoided to collide with during exercise with heat transfer tube wall, in the lower end exhibition for blocking casing 3
When opening the both ends closure by heat exchanger tube, one end of hinge bar 222 is pulled to device sheet by the reset spring 224 of 222 one end of hinge bar
Body keeps the other end of hinge bar 222 mobile to the inner wall of heat exchanger tube, is adjacent to rotating wheel 221 with heat transfer tube wall, thus will inspection
The lower end of gauge head is lifted, by detector lower end annular circumference in equal parts several auxiliary wheels 222 are set, make detector 2
Axis is overlapped with heat exchanger tube axis, is kept the plugging surface for blocking 3 lower end of casing opening vertical with heat exchanger tube axis, is guaranteed to block casing
3 leakproofness blocked.
Specific embodiment six
As shown in connection with fig. 5, the present embodiment is on the basis of specific embodiment one, and difference is, the leak source inspection
It surveys on device and is provided with shell, several through-holes 23 are provided on shell, through-hole 23 is axial strip hole, and several through-holes 23 are outside
Circumference in equal parts is arranged in a ring on shell, is provided with anti-skid device 24 in the through-hole 23, the anti-skid device 24 includes: first
Hinge bar 241, the second hinge bar 242 and anti-slippery fellow 243, one end of first hinge bar 241 and thrust bearing 41 are hinged, the
The other end of one hinge bar 241 is connect with anti-slippery fellow 243, anti-slippery fellow 243 be sphere structure, the one of second hinge bar 242
End is hinged with the inner wall of shell, and the other end of the second hinge bar 242 and the middle part of the first hinge bar 241 are hinged；
When device for detecting leak point is blocked, thrust bearing 41 is moved downward, drive the first hinge bar 241 one end to
Lower movement makes the first hinge bar 241 rotate by the second hinge bar 242, and the other end of the first hinge bar 241 passes through through-hole
It after 23, contacts anti-slippery fellow 243 with the inner wall of heat exchanger tube, several anti-skid devices 24 is set by axial, detects and fills in leak source
It sets and forms multiple skid-proof points between heat transfer tube wall, the effect of atmospheric pressure is offset when carrying out vacuum pressure maintaining, is prevented
So that device itself is shaken by atmospheric pressure effect when carrying out pressure maintaining, causes leakproofness poor.
Specific embodiment seven
In conjunction with shown in Fig. 1,2 and 3, a kind of pipeline leak source detection method of BrLi chiller disclosed in the present embodiment,
The method is a kind of central air-conditioning heat exchanger tube leak source detection dress described in specific embodiment one, two, three, four, five or six
Set realization, comprising the following steps:
Step a: the pressure injected inside protective gas to unit into lithium bromide chiller is identical as atmospheric pressure, opens heat exchange
The flange at pipe both ends, exchange heat pipe are rinsed drying；Prevent air from entering corrosion unit；
Step b: it is inserted into a device for detecting leak point respectively at the both ends of heat exchanger tube, passes through the drive inside device for detecting leak point
Dynamic motor 45 drives drive ring screw rod 44 to rotate, and drive ring screw rod 44 pushes lantern ring drive ring 43 to rotate, and lantern ring drive ring 43 is logical
The polished rod 431 for crossing lower end drives rotation lantern ring 42 to rotate, and rotation lantern ring 42 is moved downward by the screw thread on detector 2, rotates
Lantern ring 42 pushes thrust bearing 41 to move downward, and thrust bearing 41, which is pressed down against, blocks casing 3, and the lower end for blocking casing 3 is being examined
It is unfolded to block at the both ends of heat exchanger tube under the expansion of 2 lower end cup-like structure of gauge head；
Step c: opening industrial personal computer 1, and industrial personal computer 1 will be pumped by the axially extending bore inside vacuum tube and detector 2 in pipe
Negative pressure state, and pressure maintaining is carried out, judge whether there is leak source on heat exchanger tube by pressure maintaining；Judging result is more acurrate；
Step d: for the heat exchanger tube with leak source, the length of heat exchanger tube is measured with ruler outside heat exchanger, is being changed
One end of heat pipe continues to be blocked with device for detecting leak point, and the device for detecting leak point of the heat exchanger tube other end is by making driving motor
45 reversions are withdrawn and start gauge head motion motor 51 after blocking casing 3, and gauge head motion motor 51 drives the outer of bearing 52 by gear
Circle rotation, the outer ring of bearing 52 drive several articulated jibs 53 to rotate, and articulated jib 53 drives moving wheel 54 along in heat exchanger tube
Wall rolls, and promotion device for detecting leak point advances, and vacuum pressure maintaining is re-started after the distance of advance one end, and repeats to advance and pressure maintaining
Operation subtracts the forward travel distance of device for detecting leak point with the length of heat exchanger tube, obtains until device for detecting leak point crosses leak source position
Distance to leak source apart from heat exchanger tube one end；
Step e: repeating the operation in step c in the other side of heat exchanger tube, obtain leak source apart from the heat exchanger tube other end away from
From, and then obtain position of the leak source in heat exchanger tube and leak source is repaired.
Specific embodiment eight
The present embodiment is on the basis of specific embodiment seven, and difference is, device for detecting leak point in the step d
Forward travel distance is 5-10cm, and the length of heat exchanger tube is generally five meters or so, selects lesser forward travel distance that can more accurately look for
To leak source position.
Specific embodiment nine
The present embodiment is on the basis of specific embodiment seven, and difference is, device for detecting leak point in the step d
Primary forward travel distance is the one third of heat exchanger tube length, and forward travel distance later is 1/6th of heat exchanger tube length；It changes
The leak source majority of heat pipe carries out trisection, first time advance one third, later advance six every time in middle position, by heat exchanger tube
/ mono- mode can faster find leak source position.
Specific embodiment ten
The present embodiment is on the basis of specific embodiment seven, and the operation of the vacuum pressure maintaining is first opened on industrial personal computer
Then vacuum pump opens valve, the pressure value for being less than local standard atmospheric pressure is calibrated on the dial plate of pressure gauge, wait press
After the pointer of power table reaches nominal pressure value, the valve on industrial personal computer is closed, is then shut off vacuum pump, carries out pressure maintaining.
Specific embodiment 11
In conjunction with shown in Fig. 6,7,8 and 9, a kind of central air-conditioning pipeline repair apparatus, described device disclosed in the present embodiment
Cooperate a kind of central air-conditioning heat exchanger tube device for detecting leak point use, packet described in specific embodiment one, two, three, four, five or six
Include: spring-backed quill 7, expansion loop 8 and retaining mechanism 9, the both ends of the spring-backed quill 7 are provided with an expansion loop 8, two institutes
The inside that expansion loop 8 is socketed in spring-backed quill 7 is stated, the retaining mechanism 9 is clamped on two expansion loops 8；Pass through elongate posts
Retaining mechanism is sent into inside heat exchanger tube by part, and retaining mechanism carries spring-backed quill and is moved to leak source, is driven by retaining mechanism
Spring-backed quill is fixed on inside heat exchanger tube by two expansion loops, realizes the repairing of exchange heat pipe leak source；
The expansion loop 8 is the c-type snap ring with opening, and the opening both ends of c-type snap ring have lap, and again
Folded part is axial overlap, is provided with a hinged seat 81, each hinged seat 81 on the inside of the opening both ends of the expansion loop 8
On be hinged with a casing 82, two casings 82 are socketed in the both ends of positive and negative tooth screw rod 83 respectively, and two casings 82 is interior
Portion is respectively arranged with the internal screw thread matched with the both ends screw thread of positive and negative tooth screw rod 83, the intermediate setting of the positive and negative tooth screw rod 83
There is screw gear 84；The axial overlap part of c-type snap ring still keeps contacting with the circumferential direction of spring-backed quill 7 after the expansion of c-type snap ring
Face is not in notch, pushes two casings 82 that expansion loop 8 is made to be expanded to approximate round a, circle by positive and negative tooth screw rod 83
The circular runout of shape is made up by the flexible deformation of spring-backed quill 7, guarantees leakproofness；
The retaining mechanism 9 includes: the body of rod 91, pinion stand 92, locking motor 93, synchronous belt 94, promotes motor 95 and folder
Tight plate 96, the body of rod 91 pass through above the positive and negative tooth screw rod 83 at two 8 centers of expansion loop, and there are two teeth for socket on the body of rod 91
Wheel seat 92, a positioning bolt is provided on two pinion stands 92, and the positioning bolt passes through the through-hole of 92 side of pinion stand
And connect by screw thread with pinion stand 92, a locking gear, two locking teeths are provided on pinion stand 92 described in two
Wheel is engaged with a screw gear 84 respectively, and a leather belt roller is fixedly connected in the shaft of locking gear described in two,
It being connected between two leather belt rollers by synchronous belt 94, the side of the locking gear described in one of them is provided with locking motor 93,
The rotation axis of the locking motor 93 and the rotation axis connection of locking gear, locking motor 93 are solid by connecting rod and pinion stand 92
Fixed connection, the clamping plate 96 pass through below the positive and negative tooth screw rod 83 at two 8 centers of expansion loop, one end of the clamping plate 96
There are two clamp arm, two clamp arms to be located at the both ends of positive and negative tooth screw rod 83 and contact with casing 82, clamping plate 96 for setting
The other end be provided with sliding block 961, the top of clamping plate 96, the sliding block are vacantly arranged in by connection frame for the sliding block 961
A screw rod is socketed in 961, the upper end of screw rod is fixedly connected with the rotation axis for promoting motor 95, promotes motor 95 and the body of rod 91
It is fixedly connected.
Specific embodiment 12
The present embodiment is on the basis of specific embodiment 11, and difference is, is also set up on the pinion stand 92
There is tensioning wheel 921, the tensioning wheel 921 is fixedly connected by connecting rod with pinion stand 92.
Specific embodiment 13
The present embodiment is on the basis of specific embodiment 11, and difference is, the body of rod 91 and clamping plate 96 it
Between be provided with several fixed sleevings 962, fixed sleeving 962 it is flexible, guarantee that the body of rod 91 is kept during exercise with clamping plate 96
In parallel, while guaranteeing that the upper gear of two pinion stands 92 is identical as the clamping force between two screw gears, guarantee two silks
The locking of bar gear synchronous guarantees that the leakproofness at 7 both ends of spring-backed quill is identical.
Specific embodiment 14
As shown in connection with fig. 10, the present embodiment is on the basis of specific embodiment 11, and difference is on the body of rod
Being additionally provided with repairing telecontrol equipment 97 includes: repairing motion motor 971, repairing bearing 972, repairing articulated jib 973 and repairing fortune
Driving wheel 974, the repairing bearing 972 are socketed on the body of rod 91, are repaired and are provided with a circle annular tooth, ring on the outer ring of bearing 972
Shape tooth is connect by gear with two repairing motion motors 971, and two repairing motion motors 971 are symmetrical arranged, two repairing fortune
Dynamic motor 971 is fixedly connected with the body of rod 91, several repairing articulated jibs are also hinged on the outer ring of the repairing bearing 972
973, circumference in equal parts is arranged several repairing articulated jibs 973 in a ring, and one end of the repairing articulated jib 973 passes through spring and repairs
The outer ring connection of bearing 972 is mended, the other end for repairing articulated jib 973 is protruding, and the repairing articulated jib 973 stretches out outward
One end on be provided with repairing moving wheel 974, repairing moving wheel 974 be obliquely installed.
After retaining mechanism 9 is sent into heat exchanger tube, starting repairing motion motor 971, repairing motion motor 971 passes through
The outer ring rotating of gear driving repairing bearing 972, the outer ring of repairing bearing 972 drive several repairing articulated jibs 973 to rotate, repair
Mending articulated jib 973 drives repairing moving wheel 974 to roll along the inner wall of heat exchanger tube, through repairing moving wheel 974 in heat exchanger tube
Wall is rolled along helix, and retaining mechanism 9 is pushed to travel forward, and the position of retaining mechanism 9 is judged by the feeding depth of the body of rod 91
It sets.
Specific embodiment 15
In conjunction with shown in Figure 11, the present embodiment is on the basis of specific embodiment 11, and difference is, the body of rod 91
The external circumferential circumference in equal parts of one end is provided with several groups repairing auxiliary wheel group, and every group of repairing auxiliary wheel group includes two and set relatively
The repairing auxiliary wheel 98 set, the repairing auxiliary wheel 98 include: repairing rotating wheel 981, repairing hinge bar 982, repairing limited block
983 are hinged on the body of rod 91 with repairing reset spring 984, the repairing hinge bar 982, and one end of repairing hinge bar 982 is logical
It crosses repairing reset spring 984 to connect with the body of rod 91, the other end for repairing hinge bar 982 is protruding, the repairing hinge bar 982
Outwardly directed one end is provided with repairing rotating wheel 981, and the rotation direction of repairing rotating wheel 981 is set along the axial direction of heat exchanger tube
It sets, the outside of the repairing hinge bar 982 is provided with repairing limited block 983, and repairing limited block 983 is fixedly connected with the body of rod 91；
After retaining mechanism 9 is sent into heat exchanger tube, resetted by the repairing between repairing auxiliary wheel 98 and the body of rod 91
Spring 984 pulls repairing hinge bar 982 to rotate, and makes to repair the repairing rotating wheel 981 of 982 distal end of hinge bar and the inner wall of heat exchanger tube
Fitting provides support for retaining mechanism 9, and several groups are arranged by 91 one end external circumferential of the body of rod and repair auxiliary wheel group, will lock
Mechanism 9, which is lifted, disengages spring-backed quill 7 with heat exchanger tube, at the same guarantee 9 front end of retaining mechanism spring-backed quill 7 axis with
Heat exchanger tube axis is parallel；Avoid spring-backed quill 7 and the friction of ring heat pipe inner wall during retaining mechanism 9 is sent into heat exchanger tube
Cause to fall off, while spring-backed quill 7 be arranged in parallel with heat exchanger tube, ensure that the side of expansion loop 8 is vertical with heat exchanger tube axis,
It ensure that leakproofness when blocking.
Specific embodiment 16
In conjunction with shown in Figure 12, the present embodiment is on the basis of specific embodiment 11, and difference is, in described one kind
Centre heat-exchange pipe for air conditioner leak source repair apparatus further include repairing depthometer 99, the repairing depthometer 99 include: repair spool 991,
Scroll spring 992, repairing scroll rack 993, repairing telescopic rod 994, repairing fixed pin 995 and repairing depth rope 996 are repaired, it is described
Deep identification scale is provided on repairing depth rope 996, one end of repairing depth rope 996 is connect with the body of rod 91, repairs depth rope
996 other end is wrapped on repairing spool 991, and the both ends and repairing spindle housing 993 for repairing spool 991 are rotatablely connected, described
Repairing scroll spring 992 is provided between repairing spool 991 and repairing spindle housing 993, the repairing scroll rack 993 is stretched with repairing
One end of contracting bar 994 is fixedly connected, and the one end for repairing the other end and repairing fixed pin 995 of telescopic rod 994 is hinged, the repairing
Fixed pin 995 is inserted into adjacent heat exchanger tube.
For the heat exchanger tube with leak source, the length of heat exchanger tube is measured with ruler outside heat exchanger, machine will locked
Structure 9 is sent into before heat exchanger tube, repairing depth rope 996 is connect with retaining mechanism 9, and the repairing repaired on depthometer 99 is fixed
Pin 995 is inserted into adjacent heat exchanger tube and is fixed, and pulls the position of the repairing adjustment repairing spool 991 of telescopic rod 994, makes to repair
Depth rope 996 is parallel with the axis of heat exchanger tube, pulls repairing depth rope 996 by pushing the body of rod 91 that retaining mechanism 9 is driven to advance,
Repairing spool 991 is driven to rotate, while repairing scroll spring 992 is straightened repairing depth rope 996.
Specific embodiment 17
A kind of air-conditioning duct method for repairing and mending for exempting to change pipe, the method are in specific embodiment ten disclosed in the present embodiment
One, a kind of central air-conditioning described in 12,13,14,15 or 16 is on pipeline repair apparatus with realizing, including following
Step:
Step a: intercepted length is greater than one section of spring-backed quill 7 of leak source, and two expansion loops 8 are respectively embedded into spring-backed quill 7
Both ends, rotate two screw gears 84 respectively, drive positive and negative tooth screw rod 83 to rotate by screw gear 84, pass through positive and negative tooth silk
Bar 83 pushes the casing 82 of two sides to move out, and props up two expansion loops 8 by the both ends of spring-backed quill 7；
Step b: the spacing of two pinion stands 92 on adjustment retaining mechanism 9 adapts to the position of two expansion loops 8, screw tooth
Positioning bolt on wheel seat 92 locks pinion stand 92, and retaining mechanism 9 is inserted into spring-backed quill 7, promotes motor by starting
95 drive clamping plates 96 move upwards, and engage the locking gear on two pinion stands 92 with two screw gears 84 respectively, together
When clamp two clamp arms on clamping plate 96 from the lower end of casing 82；
Step c: retaining mechanism 9 being sent into heat exchanger tube, makes the spring-backed quill 7 of 9 front end of retaining mechanism that leak source be completely covered,
Two expansion loops 8 are located at the two sides of leak source simultaneously；
Step d: starting locking motor 93, locking motor 93 rotate synchronously two locking gears by synchronous belt 94, band
Dynamic two screw gears 84 rotate, and screw gear 84 drives positive and negative tooth screw rod 83 to rotate, and push two sides by positive and negative tooth screw rod 83
Casing 82 move out, prop up two expansion loops 8 by the both ends of spring-backed quill 7 until two expansion loops 8 are by spring-backed quill 7
It is fixed and clamped on the inner wall of heat exchanger tube, closes locking motor 93, starting promotes motor 95 and inverts, clamping plate 96 is fallen；
Step e: taking out retaining mechanism 9, completes the repairing of heat exchanger tube leak source.
Specific embodiment 18
The present embodiment is on the basis of specific embodiment 17, and difference is, intercepts spring-backed quill in the step a
7 length is at least 2 times of leak source width.
Guarantee that leak source is completely covered spring-backed quill 7, while the location error of leak source being covered.
Specific embodiment 19
The present embodiment is on the basis of specific embodiment 17, and difference is, falls clamping plate 96 in the step e
Risen down toward 8 bottom of expansion loop, and by retaining mechanism 9, make locking gear on two pinion stands 92 respectively with two screw rod teeth
Wheel 84 is disengaged from；
Locking device is risen by clamping plate 96, is detached from locking gear and screw gear 84, avoid locking device from
Meshed gears damages when opening, while preventing the movement of locking gear from loosen screw gear 84.
Above embodiments are exemplary description of this patent, do not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (3)
1. a kind of central air-conditioning pipeline repair apparatus characterized by comprising spring-backed quill (7), expansion loop (8) and locking
Mechanism (9), the both ends of the spring-backed quill (7) are provided with an expansion loop (8), and two expansion loops (8) are socketed in
The inside of spring-backed quill (7), the retaining mechanism (9) are clamped on two expansion loops (8)；
The expansion loop (8) is the c-type snap ring with opening, and the opening both ends of c-type snap ring have lap, and are overlapped
Part is axial overlap, is provided with a hinged seat (81), each hinged seat on the inside of the opening both ends of the expansion loop (8)
(81) casing (82) is hinged on, two casings (82) are socketed in the both ends of positive and negative tooth screw rod (83), and two respectively
The inside of casing (82) is respectively arranged with the internal screw thread matched with the both ends screw thread of positive and negative tooth screw rod (83), the positive and negative tooth silk
The centre of bar (83) is provided with screw gear (84)；
The retaining mechanism (9) includes: the body of rod (91), pinion stand (92), locking motor (93), synchronous belt (94), promotes motor
(95) it is passed through above the positive and negative tooth screw rod (83) at two expansion loop (8) centers with clamping plate (96), the body of rod (91), the body of rod
(91) on there are two sockets pinion stand (92), a positioning bolt, the positioning bolt are provided on two pinion stands (92)
Across pinion stand (92) side through-hole and connect by screw thread with pinion stand (92), be all provided on pinion stand (92) described in two
It is equipped with a locking gear, two locking gears are engaged with a screw gear (84) respectively, locking gear described in two
It is fixedly connected to a leather belt roller in shaft, is connected between two leather belt rollers by synchronous belt (94), described in one of them
The side of locking gear is provided with locking motor (93), and the rotation axis of the locking motor (93) and the rotation axis of locking gear connect
It connects, locking motor (93) is fixedly connected by connecting rod with pinion stand (92), and the clamping plate (96) is from two expansion loops (8)
It is passed through below the positive and negative tooth screw rod (83) of the heart, there are two clamp arm, two clamp arms point for one end setting of the clamping plate (96)
Not Wei Yu positive and negative tooth screw rod (83) both ends and contacted with casing (82), the other end of clamping plate (96) is provided with sliding block (961),
The top of clamping plate (96) is vacantly arranged in by connection frame for the sliding block (961), is socketed with a silk in the sliding block (961)
Bar, the upper end of screw rod are fixedly connected with the rotation axis for promoting motor (95), are promoted motor (95) and are fixedly connected with the body of rod (91).
2. a kind of central air-conditioning pipeline repair apparatus according to claim 1, which is characterized in that the pinion stand
(92) it is additionally provided on tensioning wheel (921), the tensioning wheel (921) is fixedly connected by connecting rod with pinion stand (92).
3. a kind of central air-conditioning pipeline repair apparatus according to claim 1, which is characterized in that the body of rod (91) with
Several fixed sleevings (962) are provided between clamping plate (96).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810176721.6A CN108361468B (en) | 2018-03-03 | 2018-03-03 | A kind of central air-conditioning pipeline repair apparatus |
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| CN201810176721.6A CN108361468B (en) | 2018-03-03 | 2018-03-03 | A kind of central air-conditioning pipeline repair apparatus |
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| CN108361468B true CN108361468B (en) | 2019-09-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109386741A (en) * | 2018-11-28 | 2019-02-26 | 湖南普奇地质勘探设备研究院（普通合伙) | Pipe leakage detection device and method |
| CN117927772B (en) * | 2024-03-22 | 2024-05-28 | 天津国投津能发电有限公司 | Leakage detection and plugging method and system for heat exchange tube bundle of low-temperature multi-effect seawater desalination device |
| CN118758527B (en) * | 2024-09-06 | 2024-12-20 | 南通锦辰制动系统有限公司 | Automobile pipeline air pressure detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035539A (en) * | 1989-08-14 | 1991-07-30 | Toa Grout Kogyo Kabushiki Kaishi | Liner for pipeline repair and method for repairing pipelines |
| EP0420959A4 (en) * | 1989-04-07 | 1991-10-16 | Barry Bros. Specialised Services Pty Ltd | Method of repairing a pipeline and apparatus for use in such a method |
| US5507500A (en) * | 1994-03-03 | 1996-04-16 | Press-Seal Gasket Corporation | Expandable compression ring with locking members |
| CN204062319U (en) * | 2014-07-04 | 2014-12-31 | 武汉圣禹排水系统有限公司 | A kind of liner pipe repairing apparatus |
| CN104769211A (en) * | 2012-08-28 | 2015-07-08 | 韦特柯格雷公司 | Seal assembly for a casing hanger |
| CN205136952U (en) * | 2015-12-02 | 2016-04-06 | 中国地质大学（武汉） | Pipeline rehabilitation structure |
| CN205799327U (en) * | 2016-06-08 | 2016-12-14 | 杭州骏腾工具制造有限公司 | Clip ratchet spanner with c-type card spring coil solid screwdriver bit assembly |
-
2018
- 2018-03-03 CN CN201810176721.6A patent/CN108361468B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0420959A4 (en) * | 1989-04-07 | 1991-10-16 | Barry Bros. Specialised Services Pty Ltd | Method of repairing a pipeline and apparatus for use in such a method |
| US5035539A (en) * | 1989-08-14 | 1991-07-30 | Toa Grout Kogyo Kabushiki Kaishi | Liner for pipeline repair and method for repairing pipelines |
| US5507500A (en) * | 1994-03-03 | 1996-04-16 | Press-Seal Gasket Corporation | Expandable compression ring with locking members |
| CN104769211A (en) * | 2012-08-28 | 2015-07-08 | 韦特柯格雷公司 | Seal assembly for a casing hanger |
| CN204062319U (en) * | 2014-07-04 | 2014-12-31 | 武汉圣禹排水系统有限公司 | A kind of liner pipe repairing apparatus |
| CN205136952U (en) * | 2015-12-02 | 2016-04-06 | 中国地质大学（武汉） | Pipeline rehabilitation structure |
| CN205799327U (en) * | 2016-06-08 | 2016-12-14 | 杭州骏腾工具制造有限公司 | Clip ratchet spanner with c-type card spring coil solid screwdriver bit assembly |
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| CN108361468A (en) | 2018-08-03 |
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