CN207050938U - A kind of electric spark leak detector - Google Patents

Abstract

The utility model discloses a kind of electric spark leak detector, its drip irrigation device is to include probe and handle, the probe is annular in shape and for being socketed in pipe under test, it is provided with the handle with the dolly for driving it to be moved on pipeline, the motor of its walking of driving is provided with the dolly, probe is socketed in pipe under test the anti-lost effect that can play so when being detected to pipeline, and detection of the probe of ring-type for pipeline is more comprehensive, then it need to only open motor and unclamp dolly, dolly can drive on electric spark leak detector and constantly be moved on pipeline, complete detection process, go to operate without artificial continuous hand hold transducer during this, operation is more easy and convenient laborsaving.

Description

A kind of electric spark leak detector

Technical field

It the utility model is related to a kind of pipeline anticorrosion coating detection device, more particularly to a kind of electric spark leak detector.

Background technology

Pipeline corrosion protection is that one kind avoids pipeline by soil, air and pumped (conveying) medium（Oil, natural gas etc.）Corrosion is prevented Shield technology；Pipeline anticorrosion coating can obstruct corrosion, determine the service life of pipeline, and pipeline anticorrosion coating is normal in production and user Defect can be left because appearance destroys, the detection for pipeline corrosion protection layer defects is advantageous to the maintenance to pipeline anticorrosion coating, prevents Pipe surface is corroded, and extends the service life of pipeline.In the prior art, electric spark detector includes main frame, handle and spy Head, handle one end are provided with conducting rod, connected between the handle other end and main frame by wire, and conducting rod is fixedly connected with probe, Probe is provided with wire, after user makes the wire contact pipe surface on probe by hand-held handle, is controlled on main frame System makes probe produce high pressure, and when scanning probe is to when deficiency of protection coating being present, electric spark breakdown occurs for high-voltage probe, and feeds back to Alarm is sent to main frame, with this determination to pipeline anticorrosion coating defective locations.

In practical application, the electric spark detector person of needing to use holds handle mobile probe and constantly pipeline anticorrosion coating is carried out Detection, detection operation are cumbersome.

Utility model content

The purpose of this utility model is to provide a kind of electric spark leak detector, and it is more easy and convenient laborsaving that it detects operation.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of electric spark leak detector, including probe and handle, the probe is annular in shape and for being socketed in pipe under test, The dolly that it is moved on pipeline with driving is provided with the handle, the motor of its walking of driving is provided with the dolly, The probe includes sheath body and interior bar, and the interior bar end set has the chuck for being hinged and being used to clamp pipe under test, institute State chuck inwall and be provided with wire for discharging electric spark, the interior bar is flexible to be connected in sheath body, is set on the chuck The fixed block with sheath body rotation connection is equipped with, the locating part of restricted interior bar movement is set in the sheath body.

Probe is socketed in pipe under test the anti-lost effect that can play, and ring-type so when being detected to pipeline Detection of the probe for pipeline it is more comprehensive, then need to only open motor and unclamp dolly, dolly can drive electric spark to hunt leak Constantly moved on pipeline on instrument, complete detection process, go to operate without artificial continuous hand hold transducer during being somebody's turn to do, operation is more It is easy and convenient laborsaving；By driving interior bar to move in operation, by interior bar chuck upset can be driven to clamp pipe under test, it is complete Interior bar is moved backward after into detection and may be such that chuck can rotate opening, probe is removed from pipe under test, wherein spacing Part can carry out spacing so that chuck stably stays open or closed mode to interior bar.

The utility model is further set：The locating part includes being arranged on the first snap-on in interior bar, on the sheath body Be spaced apart be provided with for the first snap-on ejection clamping shell hole, be provided between the sheath body inwall and interior bar keep chuck be in beat The spring of open state.

Realize that clamping is spacing by the cooperation of the first snap-on and shell hole, it is simple in construction, and only need to be by when needing to move interior bar The first snap-on is pressed, it is easy to operate, and when interior bar unties clamped condition, it outer move can cause folder under the action of the spring Head remains on, and is easy to the clamping of next time to use.

The utility model is further set：Extension block is provided with the chuck, projection, institute are provided with the extension block State to offer on chuck and supply raised slip and curved slideway, be threaded with the extension block and push against twisting for slideway bottom wall Block.

So user can adjust the length of extension block stretching according to pipe diameter size, pull extension block to make raised edge After slideway moves to specified location, pushing against slideway by twisting block is locked extension block and chuck, can be applied to different The pipeline of caliber.

The utility model is further set：The handle includes the outer barrel and inner cylinder that are mutually rotatably assorted, on the inner cylinder Be provided with the storing chamber placed for dolly, offer the internal orifice skidded off for dolly on the inner cylinder, offered on the outer barrel with Internal orifice corresponds to and supplied the collar extension that dolly skids off, and is provided with the second snap-on on the dolly, is offered on the outer barrel for the second bullet Button ejection clamping and the perforation for keeping dolly to expose from collar extension.

It can be so received into when dolly need not be used in inner cylinder, and rotate inner cylinder and make it that internal orifice is wrong with collar extension Position so that dolly is in receiving state, so as to effectively reduce space-consuming and avoid dolly from being damaged, it is necessary to when using in rotation Cylinder make it that internal orifice is corresponding with collar extension, and dolly outer move can be realized under self gravitation effect until coordinating by the second snap-on with perforation Clamping so that dolly stabilization is in current state, to drive electric spark leak detector in walking on pipeline, it is necessary to be pressed when storing Dolly is pushed into after second snap-on, it is easy to operate.

The utility model is further set：Flange, inwall of the inner cylinder close to internal orifice are extended with the top of the dolly On be provided with accept flange boss.

Stroke limit can be played a part of by the setting of projection and flange, so as to effectively avoid dolly from inner cylinder, outside The situation that cylinder entirely drops out.

The utility model is further set：The inner cylinder is extended axially by the nose bar passed outside outer barrel, the nose bar with Outer barrel is threadedly coupled.

So by the locking realized for inner cylinder position of being threadedly coupled of nose bar and outer barrel so that the position of inner cylinder after rotation Put the situation for being less prone to skew.

The utility model is further set：The end that the nose bar passes outer barrel is fixed with operating block, and the operating block is in Positive six prismsby shape.

The setting of operating block can provide impetus, be easy to people's hand-held block to rotate inner cylinder so that rotate inner cylinder Operation it is more laborsaving, and positive six prismsby shape is hand-holdable rotation without other instruments.

The utility model is further set：The outer tube outer surface sets anti-slip veins.

The setting of anti-slip veins can increase stiction, so that people are more firm in the outer barrel for handle of taking, Without there is situation about slipping and falling off.

Brief description of the drawings

Fig. 1 is the overall structure figure of the present embodiment；

Fig. 2 is the structure chart popped one's head in the present embodiment；

Fig. 3 is the structure chart of handle in the present embodiment；

Fig. 4 is the cut-away view of handle in the present embodiment.

Reference：1st, pop one's head in；2nd, handle；3rd, conducting rod；4th, anti-slip veins；5th, chuck；6th, straight-bar；7th, wire；8th, it is interior Bar；9th, sheath body；10th, spring；11st, the first snap-on；12nd, shell hole；13rd, projection；14th, fixed plate；15th, chute；16th, fixed block；17、 Extension block；18th, it is raised；19th, slideway；20th, block is twisted；21st, inner cylinder；22nd, outer barrel；23rd, nose bar；24th, bore；25th, thread segment；26、 Operating block；27th, string holes；28th, dolly；29th, chamber is put；30th, internal orifice；31st, collar extension；32nd, flange；33rd, boss；34th, the second snap-on； 35th, long slab；36th, perforate；37th, groove；38th, bull stick；39th, wheel；40th, driven pulley；41st, motor；42nd, driving wheel；43rd, electric wire.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

A kind of electric spark leak detector, as depicted in figs. 1 and 2, including probe 1 and handle 2, handle 2 are provided with conducting rod 3, Conducting rod 3 is fixedly connected with probe 1 and handle 2, and the surface of handle 2 is provided with anti-slip veins 4；Probe 1 includes chuck 5 and straight-bar 6, chuck 5 are provided with the wire 7 that can discharge electric spark, and straight-bar 6 includes interior bar 8 and sheath body 9, and the one end of interior bar 8 is provided with spring 10, interior Bar 8 is connected with sheath body 9 by spring 10, the first snap-on 11 on the outer wall of interior bar 8, and sheath body 9 is provided with what is sprung into for the first snap-on 11 Shell hole 12, the first snap-on 11 is ejected shell hole 12 when pressing the first snap-on 11, while promote the extrusion spring 10 of interior bar 8, interior bar 8 is past The inside of sheath body 9 is mobile to be fixed up to the first snap-on 11 springs into next shell hole 12, when needing to reset interior bar 8, pressing First snap-on 11 makes the first snap-on 11 eject shell hole 12, and interior bar 8 moves out under the effect of the restoring force of spring 10, the first bullet Button 11 coordinates as interior bar 8 moves to next position of shell hole 12 with shell hole 12 to be fixed；The other end of interior bar 8 is provided with projection 13, the chuck 5 of projection 13 and two is be hinged, and sheath body 9 is provided with fixed plate 14, and fixed plate 14 is brought into close contact with chuck 5, and fixed plate 14 exists Chute 15 is provided with chuck 5, chuck 5 is provided with the fixed block 16 being engaged with chute 15 at chute 15, promotes the projection 13 of interior bar 8 When, projection 13 drives two chucks 5 to fold toward the internal motion of sheath body 9, while the fixed block 16 on chuck 5 is along chute 15 to convex Move in the direction of block 13；Projection 13 continues toward the internal motion of sheath body 9 until chuck 5 closes completely, and the wire 7 on chuck 5 is with managing Road circumferential surface fully contacts, while the shell hole 12 that the first snap-on 11 in interior bar 8 is sprung on sheath body 9 is fixed；Work as pressing During the first snap-on 11, the first snap-on 11 ejection shell hole 12, in the presence of the restoring force of spring 10 interior bar 8 to the external movement of sheath body 9, Chuck 5 opens again under be hinged effect, while the fixed block 16 on chuck 5 moves to initial position along the opposite direction of projection 13, Probe 1 can now be removed from pipeline.

Chuck 5 is provided with extension block 17, and extension block 17 is provided with wire 7, and extension block 17 is provided with projection 18, chuck 5 The slideway 19 slided for projection 18 is provided with, projection 18 is embedded in slideway 19 and is slidably connected with chuck 5, and extension block 17, which is provided with, twists Block 20, user can adjust the length of the stretching of extension block 17 according to pipe diameter size, pull extension block 17 to make raised 18 edges After slideway 19 moves to specified location, locked extension block 17 and chuck 5 by twisting block 20.

As shown in Figure 3 and Figure 4, handle 2 includes inner cylinder 21 and outer barrel 22, and inner cylinder 21 and outer barrel 22 are fitted close and can occurred Relatively rotate, inner cylinder 21 is extended to outside outer barrel 22 provided with nose bar 23, and outer barrel 22 is provided with nose bar 23 and passed through for nose bar 23 Bore 24, nose bar 23 is provided with thread segment 25, and nose bar 23 is threadedly coupled with outer barrel 22, and the outer end of nose bar 23 is provided with operating block 26, user can make nose bar 23 drive inner cylinder 21 to be rotated with respect to outer barrel 22 by rotating operation block 26, while utilize screw thread Section 25 carries out self-locking；Is provided with electric wire 43 in handle 2, is provided with the string holes 27 that supply lines 43 passes through in nose bar 23, electric wire 43 is from handle 2 Penetrated in handle 2 by string holes and be fixedly connected with conducting rod 3 outside.

Is provided with dolly 28 in inner cylinder 21, is provided with the storing chamber 29 for the storing of dolly 28 in inner cylinder 21, the side wall of dolly 28 with it is interior 21 inwalls of cylinder are fitted close and can occur to slide relatively, and inner cylinder 21 offers internal orifice 30 below dolly 28, and outer barrel 22 is in dolly 28 lower sections are provided with collar extension 31, and the size of internal orifice 30 and collar extension 31 be slightly larger than the size of dolly 28, dolly 28 can by internal orifice 30 with outside Mouth 31 is reached outside handles 2；The upper end of dolly 28 is provided with flange 32, and inner cylinder 21 offers what is coordinated with flange 32 at nearly internal orifice 30 Boss 33, when 28 gradual outward movment of dolly to the flange 32 of dolly 28 is in contact with the boss 33 on inner cylinder 21, dolly 28 is not Outward movment is further continued for, prevents dolly 28 from deviating from from handle 2；The outer wall of dolly 28 is provided with the second snap-on 34, the outer wall of outer barrel 22 Provided with long slab 35, long slab 35 is provided with springs into fixed perforation 36 for the second snap-on 34, when dolly 28 slides out to the second bullet outward When button 34 springs into perforation 36, dolly 28 is fixedly connected with handle 2, can prevent that dolly 28 is past when dolly 28 is placed on pipe surface Slided in handle 2.

Dolly 28 is provided with groove 37, to prevent that extruding electric wire 43 causes electric wire when dolly 28 is placed back into and put in chamber 29 43 destroy；The lower section of dolly 28 is provided with bull stick 38, and bull stick 38 is rotatablely connected with dolly 28, and bull stick 38 is provided with wheel 39 and driven pulley 40, wheel 39 and driven pulley 40 are fixedly connected with bull stick 38, and dolly 28 is provided with motor 41, and motor 41 is provided with driving wheel 42, Driving wheel 42 engages with driven pulley 40, when driving wheel 42 rotates, bull stick 38 is rotated by gear drive, wheel 39 rotates Dolly 28 is set to be moved in pipe surface, probe 1 detects pipeline as dolly 28 moves automatically scanning forward, makes without relying on User's hand-held handle 2 is detected, and avoids the possibility accidentally injured, and is justified simultaneously because chuck 5 is buckle-type around whole pipeline In week, the position of test leakage is less prone in the slow detection process forward of dolly 28.

Specific work process：Before using electric spark leak detector detection pipeline deficiency of protection coating, at the dolly 28 in handle 2 State is put in Tibetan, 1 chuck 5 of popping one's head in is in open mode, and electric wire 43 is in unpowered state；Before detection is started, first The length of chuck 5 is adjusted according to the diameter of pipe under test, unclamping stubborn block 20 makes the extension block 17 on chuck 5 can relative folder First 5 are slided, and dragging extension block 17, which is extend out to after designated length, to be tightened stubborn block 20 and be fixed.

When starting detection, user's hand-held handle 2 first will pop one's head in 1 close to the surface of pipe under test, make on probe 1 Projection 13 contacts pipe surface, and then pressing the first snap-on 11 makes the first snap-on 11 eject shell hole 12, now interior bar 8 and sheath body 9 It can occur to slide relatively, and then the straight-bar 6 on pressing probe 1, convex because the projection 13 in interior bar 8 offsets with pipe surface Block 13 moves inwardly with respect to sheath body 9, and two chucks 5 draw close closure under be hinged effect makes wire 7 be gradually bonded with pipe circumference, The fixed block 16 on chuck 5 moves along chute 15 to the direction of projection 13 simultaneously；In projection 13 with respect to the motion process inwardly of sheath body 9 In, the continuous extrusion spring 10 of interior bar 8, continue to press straight-bar 6 until the first snap-on 11 springs into next shell hole 12, now chuck 5 Closure, wire 7 are bonded completely with pipe circumference completely.

After completing the positioning to probe 1, the operating block 26 outside rotary handle 2 makes inner cylinder 21 be rotated with respect to outer barrel 22 Until the collar extension 31 on internal orifice 30 and outer barrel 22 on inner cylinder 21 is in same position, now the dolly 28 inside inner cylinder 21 along The inwall of inner cylinder 21 is deviate from towards duct orientation, and when the flange 32 of the side wall of dolly 28 is in contact with the boss 33 of inner cylinder 21, dolly 28 is not Move, and be fixed in the perforation 36 that springs on long slab 35 of the second snap-on 34 in the side wall of dolly 28 outward again；Then make User needs to open the motor 41 of the lower section of dolly 28, occurs to turn under the drive of bull stick 38 by gear drive relation wheel 39 It is dynamic, after being powered in electric wire 43 user can release handle 2 wheel 39 of dolly 28 is contacted pipe surface, 28 slow edge of dolly Pipeline forward movement, promotes probe 1 to move forward detection pipeline surface anticorrosion layer defects.

After detection, power down process is carried out to electric wire 43 first, slowly lifts a small distance of handle 2, is closed small The motor 41 of the lower section of car 28 makes wheel 39 stop operating, and then pressing the second snap-on 34 makes the second snap-on 34 ejection perforation 36, uses Hand rest plays dolly 28 by dolly 28 towards the movement of the inside of handle 2, and after dolly 28 is completely embedded into handle 2, rotation process block 26 makes Dolly 28 follows inner cylinder 21 to be rotated relative to outer barrel 22, until the internal orifice 30 on inner cylinder 21 staggers completely with the collar extension 31 on outer barrel 22 The collar extension 31 on outer barrel 22 is in closure state, ensure that dolly 28 is not deviate from from handle 2；Finally be need will probe 1 from Pipe surface is removed, and the first snap-on 11 of pressing makes the first snap-on 11 eject shell hole 12, the phase under the effect of the restoring force of spring 10 of interior bar 8 Original position is returned to the outward movment of sheath body 9, the first snap-on 11 is as interior bar 8 is moved together and springs into next shell hole 12 It is fixed, two chucks 5 open and are returned to initial position under be hinged effect, while the fixed block 16 on chuck 5 can edge The opposite direction of projection 13 moves to initial position, and user needs slowly to remove probe 1 from pipe surface after chuck 5 opens, pine Open the stubborn block 20 on extension block 17, pull extension block 17 to be retracted to behind original position and tighten stubborn block 20 and fix, so far complete electricity The whole operation process of spark leak detector detection.

Claims (8)

1. a kind of electric spark leak detector, including probe (1) and handle (2), it is characterized in that：The probe (1) is annular in shape and is used for It is socketed in pipe under test, is provided with the handle (2) with the dolly (28) for driving it to be moved on pipeline, the dolly (28) motor (41) of its walking of driving is provided with, the probe (1) includes sheath body (9) and interior bar (8), the interior bar (8) End set has the chuck (5) for being hinged and being used to clamp pipe under test, and chuck (5) inwall is provided with for discharging electricity The wire (7) of spark, the interior bar (8) is flexible to be connected in sheath body (9), is provided with the chuck (5) and is turned with sheath body (9) The fixed block (16) of dynamic connection, the interior locating part for setting restricted interior bar (8) mobile of the sheath body (9).

2. electric spark leak detector according to claim 1, it is characterized in that：The locating part includes being arranged in interior bar (8) The first snap-on (11), the shell hole (12) being provided with for the first snap-on (11) ejection clamping, the set are spaced apart on the sheath body (9) The spring (10) for keeping chuck (5) to be in open mode is provided between shell (9) inwall and interior bar (8).

3. electric spark leak detector according to claim 2, it is characterized in that：Extension block (17) is provided with the chuck (5), It is provided with raised (18), is offered on the chuck (5) for raised (18) slip and curved cunning on the extension block (17) Road (19), the stubborn block (20) for pushing against slideway (19) bottom wall is threaded with the extension block (17).

4. electric spark leak detector according to claim 1, it is characterized in that：The handle (2) includes what is be mutually rotatably assorted Outer barrel (22) and inner cylinder (21), the storing chamber (29) placed for dolly (28), the inner cylinder are provided with the inner cylinder (21) (21) internal orifice (30) skidded off for dolly (28) is offered on, offers corresponding with internal orifice (30) on the outer barrel (22) and supplies small The collar extension (31) that car (28) skids off, the second snap-on (34) is provided with the dolly (28), confession is offered on the outer barrel (22) The perforation (36) that second snap-on (34) ejects clamping and keeps dolly (28) to expose from collar extension (31).

5. electric spark leak detector according to claim 4, it is characterized in that：Flange is extended with the top of the dolly (28) (32), the inner cylinder (21) is provided with the boss (33) for accepting flange (32) on the inwall of internal orifice (30).

6. electric spark leak detector according to claim 4, it is characterized in that：The inner cylinder (21), which is extended axially by, to be passed outside The nose bar (23) of cylinder (22) outside, the nose bar (23) are threadedly coupled with outer barrel (22).

7. electric spark leak detector according to claim 6, it is characterized in that：The nose bar (23) passes the end of outer barrel (22) Operating block (26) is fixed with, the operating block (26) is in positive six prismsby shape.

8. electric spark leak detector according to claim 4, it is characterized in that：Outer barrel (22) outer surface sets anti-slip veins (4)。