CN212418454U

CN212418454U - TOFD scanning frame spraying device

Info

Publication number: CN212418454U
Application number: CN202020842945.9U
Authority: CN
Inventors: 苗德山; 刘程杰; 韩其超; 李�瑞
Original assignee: Shandong Yuanzhuo Testing Technology Co ltd
Current assignee: Shandong Yuanzhuo Testing Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-01-29
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a TOFD scans and looks into frame spray set relates to the technical field that TOFD detected, and it is including being fixed in the spray rack on the crossbeam, be fixed with the flow distribution plate on the spray rack, cylindric cavity has been seted up in the flow distribution plate, one side intercommunication of flow distribution plate length direction has the inlet tube, and opposite side intercommunication has the shower, the one end that the flow distribution plate was kept away from to the inlet tube and the water pipe intercommunication on the spray box. When scanning a work, the couplant that sprays the incasement enters into to the flow distribution plate through the inlet tube in, then on from the shower blowout to the welding seam, when scanning a removal, the shower constantly sprays the couplant on to the welding seam to do not need the manual work to carry out the spraying at handheld shower, only need the removal of drive crossbeam can, consequently, the utility model discloses the effect that has reduction staff's the amount of labour.

Description

TOFD scanning frame spraying device

Technical Field

The utility model belongs to the technical field of the technique of auto-parts processing and specifically relates to a TOFD sweeps and examines a spray set.

Background

At present, TOFD is also called ultrasonic diffraction time difference method, which is a method for detecting defects by means of diffraction energy obtained from the 'end angle' and 'end point' of the internal structure (mainly referring to defects) of a test piece to be detected, and is mainly used for detecting, quantifying and positioning the defects. When flaw detection is carried out, a certain mechanism is needed to fix and clamp the probe, the probe is enabled to be tightly attached to the ground, the probe can move along a preset track on the surface of a workpiece under the action of external power, signals are sent and collected in real time, and therefore flaw detection is completed. This mechanism for holding and holding the probe is called a scanning gantry.

As shown in fig. 1, the prior art discloses a scanning frame, which includes a cross beam 500, and both ends of the cross beam 500 in the length direction are rotated by rollers 510 through brackets. The side wall of the beam 500 is provided with a sliding groove 520 along the length thereof, two probe mounting brackets 530 are slidably moved in the sliding groove 520, the two probe mounting brackets 530 are slidably moved in opposite directions, and the two probe mounting brackets 530 are respectively used for mounting a transmitting probe and a receiving probe. Horizontal adjusting bolts 540 are fixed on the two probe supports, one ends of the adjusting bolts 540 are arranged in the sliding grooves 520, adjusting nuts 550 are connected to the adjusting bolts 540 in a threaded mode, and the adjusting nuts 550 can be abutted to the side walls of the cross beam 500. A handle 440 is fixed to the cross member 500 so as to be perpendicular to the vertical length thereof. When the scanning frame is in work, the beam 500 is placed on a workpiece to be detected, a welding seam of the workpiece to be detected is placed between the transmitting probe and the receiving probe, and then the handle 440 pushes the beam 500 to move, so that the scanning frame detects the welding seam.

Because in order to make the transmitting probe and the receiving probe better detect the weld joint, the couplant needs to be sprayed to the weld joint, and when the scanning frame is used, a worker needs to hold the spray pipe on the external spray box to move along with the cross beam 500 and spray the couplant along with the weld joint, so that the labor capacity of the worker is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a TOFD that reduces staff's spraying amount of labour sweeps and looks into frame spray set not enough to prior art exists.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a TOFD sweeps and looks into frame spray set, is including being fixed in the spray rack on the crossbeam, be fixed with the flow distribution plate on the spray rack, seted up cylindric cavity in the flow distribution plate, one side intercommunication of flow distribution plate length direction has the inlet tube, and the opposite side intercommunication has the shower, the one end that the flow distribution plate was kept away from to the inlet tube communicates with the water pipe on the spray box.

Through adopting above-mentioned technical scheme, when scanning the frame during operation, the couplant that sprays the incasement enters into to the flow distribution plate through the inlet tube in, then on the welding seam is spouted from the shower, when scanning the frame and removing, the shower constantly to spraying couplant on the welding seam to do not need the manual work to carry out the spraying at handheld shower, only need the removal of drive crossbeam can, consequently, reduced staff's the amount of labour.

Further: the shower is provided with a plurality ofly, be provided with the break-make spare in the flow distribution plate, the break-make spare is used for controlling the intercommunication of shower and flow distribution plate.

By adopting the technical scheme, when the width of the welding seam is small, the on-off piece is started for saving energy, and the on-off piece controls the spray pipe outside the welding seam to be turned off.

Further: the water inlet pipe is communicated with a flow regulating valve.

Through adopting above-mentioned technical scheme, the purpose that sets up flow control valve is when the shower by changeable little, through adjusting the flow control valve control flow that gets into in the shower to the energy saving.

Further: the on-off piece includes the slide bar, the slide bar slides in flow distribution plate length direction's both ends, the slide direction of slide bar is parallel with the length direction of flow distribution plate, the one end coaxial fixation that the slide bar extends to in the flow distribution plate has the ball of cutting off, the diameter of cutting off the ball of cutting off and making on equals with the diameter of flow distribution plate.

Through adopting above-mentioned technical scheme, when adjusting the quantity of jet-propelled pipe according to the welding seam, the slide bar slides for the slide bar drives the removal of break-make ball, thereby makes the break-make ball realize the break-make to the jet-propelled pipe.

Further: the flow distribution plate is provided with a bidirectional screw rod in a rotating mode, two ends of the bidirectional screw rod are connected with connecting blocks in a threaded mode, and the two connecting blocks are fixedly connected with the two sliding rods respectively.

Through adopting above-mentioned technical scheme, when the drive slide bar slided, through rotating two-way lead screw, driven the motion in opposite directions of connecting block to make the connecting block drive the sliding of slide bar.

Further: the flow distribution plate is provided with a guide groove, a guide block is fixed on the connecting block, and the guide block slides in the guide groove.

Through adopting above-mentioned technical scheme, the purpose that sets up the guide way is, plays the guide effect to the removal of connecting block.

Further: a first containing block is fixed on the upper outer wall of the water inlet pipe, a first containing groove communicated with the inner cavity of the water inlet pipe is arranged in the first containing block, a first connecting rod is glidingly arranged in the first accommodating groove, a first auxiliary ball is coaxially fixed at one end of the first connecting rod arranged in the first accommodating groove, the diameter of the first auxiliary ball is equal to that of the water inlet pipe, the water pipe is communicated with a circulating pipe, the circulating pipe is communicated with the spraying box, a second containing block is fixed on the outer wall of the circulating pipe, a second containing groove communicated with the inner cavity of the circulating pipe is arranged in the second containing block, a second connecting rod is glidingly arranged in the second accommodating groove, a second auxiliary ball is coaxially fixed at one end of the second connecting rod arranged in the second accommodating groove, the diameter of the second auxiliary ball is equal to that of the circulating pipe, and a driving piece for driving the first connecting rod and the second connecting rod to alternatively slide is arranged on the spraying frame.

Through adopting above-mentioned technical scheme, before the work of scanning the frame, need make earlier that the couplant that sprays the incasement enters into to the inlet pipe, in order to reduce the waste of couplant, in the beginning, first supplementary ball slides out first holding tank, the second is assisted in the ball is arranged in the second holding tank, at this moment, the couplant sprays the incasement from the circulating pipe is getting into, when scanning the frame during operation, start the driving piece earlier, the alternative of first connecting rod of driving piece drive and second connecting rod slides, make first supplementary ball arrange first holding tank in, the second is assisted the ball and slides out the second holding tank, make the couplant can follow the inlet tube and get into to the flow distribution plate in.

Further: the handle slides in the flow distribution plate upper surface, and the direction of sliding is perpendicular with the length direction of flow distribution plate, the driving piece includes the cam, and the cam rotates on spraying the frame, first connecting rod all slides along the circumference of cam with the second connecting rod, the coaxial gear that is fixed with of cam is fixed with the horizontally rack on the handle, rack and gear engagement.

Through adopting above-mentioned technical scheme, when drive first connecting rod and second connecting rod when sliding in turn, the handle that slides, the removal of handle drive rack, and the removal of rack drive gear, the rotation of gear drive cam to make first connecting rod and second connecting rod slide in turn.

Further: the cam is coaxially sleeved with a coil spring, one end of the coil spring is fixedly connected with a rotating shaft of the cam, and the other end of the coil spring is fixedly connected with the flow distribution plate.

Through adopting above-mentioned technical scheme, the purpose of setting up the coil spring is, realizes the automatic re-setting of handle to make first connecting rod and second connecting rod reset.

To sum up, the utility model discloses a beneficial technological effect does:

1. the spraying pipe, the flow distribution plate and the water inlet pipe are arranged, when the scanning frame works, a couplant in the spraying box enters the flow distribution plate through the water inlet pipe and then is sprayed out of the spraying pipe onto a welding line, and the spraying pipe continuously sprays the couplant onto the welding line while the scanning frame moves, so that the spraying pipe does not need to be manually held for spraying, and only the cross beam needs to be driven to move, so that the labor amount of workers is reduced;

2. the sliding rod and the on-off ball are arranged for sliding the sliding rod when the number of the jet pipes is adjusted according to the welding seam, so that the sliding rod drives the on-off ball to move, and the on-off ball is switched on or off the jet pipes;

3. set up the purpose that first connecting rod of driving piece drive and second connecting rod slided in turn, in the beginning, first supplementary ball slides out first holding tank, the second is assisted the ball and is arranged in the second holding tank, at this moment, the couplant is from entering in the circulating pipe and spray the incasement, when sweeping the work of looking into the frame, start the driving piece earlier, the alternative of first connecting rod of driving piece drive and second connecting rod slides, make first supplementary ball arrange first holding tank in, the second holds tank that the ball slides out, make the couplant can follow the inlet tube and enter into to the flow distribution plate in, thereby reduce the waste of couplant.

Drawings

FIG. 1 is a schematic view of the overall structure of the prior art;

FIG. 2 is a schematic view showing the structure of the shower pipe and the water inlet pipe of the present embodiment;

FIG. 3 is a schematic view of the diverter plate shown in cut-away configuration showing the on-off member;

FIG. 4 is a schematic view showing the structure of the circulation tube and the driving member.

Reference numerals: 100. a spray rack; 110. a shower pipe; 120. a water inlet pipe; 130. a flow distribution plate; 150. a flow regulating valve; 300. a connecting and disconnecting member; 310. a slide bar; 320. switching on and off the ball; 330. a bidirectional lead screw; 340. connecting blocks; 350. a guide groove; 360. a guide block; 370. a circulation pipe; 371. a first containing block; 373. a first link; 374. a first auxiliary ball; 375. a second containing block; 377. a second link; 378. a second auxiliary ball; 400. a drive member; 410. a cam; 420. a gear; 440. a handle; 450. a rack; 500. a cross beam; 510. a roller; 520. a chute; 530. a probe mounting bracket; 540. adjusting the bolt; 550. and adjusting the nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 2, for the utility model discloses a TOFD scanning frame spraying device, including spraying frame 100, spraying frame 100 is fixed in on crossbeam 500. A horizontal rectangular flow distribution plate 130 is fixed to the spray frame 100, and a cylindrical cavity for the couplant to flow is formed in the flow distribution plate 130. The opposite side of the flow distribution plate 130 is connected with a flow control valve 150, the water inlet of the flow control valve 150 is connected with a water inlet pipe 120, and the other side of the flow distribution plate 130 is connected with a plurality of spray pipes 110 inclined towards the ground. The end of the inlet pipe 120 remote from the flow control valve 150 communicates with a water pipe (not shown) on the spray tank. When the scanning frame 200 works, the couplant in the spraying box enters the flow distribution plate 130 through the water inlet pipe 120 and then is sprayed out of the spraying pipe 110 onto a welding seam, and the flow regulating valve 150 regulates the flow entering the spraying pipe 110.

As shown in fig. 3, the opening/closing member 300 is disposed in the diversion plate 130, the opening/closing member 300 includes sliding rods 310, and the sliding rods 310 are slid at both ends of the diversion plate 130 in the longitudinal direction, and the sliding direction is parallel to the longitudinal direction of the diversion plate 130. An on-off ball 320 is coaxially fixed at one end of the sliding rod 310 extending into the flow distribution plate 130, and the diameter of the on-off ball 320 is equal to that of the cavity of the flow distribution plate 130. When the widths of the welding seams are different, in order to save energy, the on-off ball 320 controls the opening amount of the spray pipes 110 by driving the sliding of the sliding rod 310, and the flow of the couplant entering the spray pipes 110 is adjusted by adjusting the flow valve due to the change of the amount of the spray pipes 110.

In order to drive the two sliding rods 310 to slide in opposite directions synchronously, a horizontal bidirectional screw 330 is rotated on the diversion plate 130, two ends of the bidirectional screw 330 are both connected with connecting blocks 340 in a threaded manner, and the two connecting blocks 340 are respectively fixedly connected with the two sliding rods 310. In order to guide the sliding of the connection block 340, a guide groove 350 is formed along the length of the diversion plate 130, and a guide block is fixed to the connection block 340 so as to slide in the guide groove 350.

As shown in fig. 4, since the couplant in the spray tank needs to be driven into the water inlet pipe 120 before the scanning rack 200 works, the couplant is wasted, and therefore, in order to reduce the waste of the couplant, the water inlet pipe 120 is communicated with a circulation pipe 370, and one end of the circulation pipe 370, which is far away from the water inlet pipe 120, is communicated with the spray tank. The first containing block 371 and the second containing block 375 are fixed on the outer walls of the water inlet pipe 120 and the circulating pipe 370, respectively, a first containing groove and a second containing groove are formed in the first containing block 371 and the second containing block 375, respectively, and the first containing groove and the second containing groove are communicated with the inner cavities of the water inlet pipe 120 and the circulating pipe 370, respectively. A first connecting rod 373 and a second connecting rod 377 are horizontally slidably disposed in the first receiving groove and the second receiving groove, respectively, a first auxiliary ball 374 and a second auxiliary ball 378 are coaxially fixed at one end of the first connecting rod 373 and the second connecting rod 377 which are disposed in the first receiving groove and the second receiving groove, respectively, and the diameters of the first auxiliary ball 374 and the second auxiliary ball 378 are equal to the diameters of the water inlet pipe 120 and the circulating pipe 370, respectively. A driving member 400 is disposed on the diversion plate 130, and the driving member 400 is used for driving the first connecting rod and the second connecting rod to alternately slide. When the scanning frame 200 is not in operation, the first auxiliary ball 374 slides out of the first accommodating groove, the second auxiliary ball 378 is arranged in the second accommodating groove, and the couplant cannot enter the water inlet pipe 120 and only can enter the spraying box from the circulating pipe 370; when the scanning frame 200 works, the driving member 400 is first activated, and the driving member 400 drives the first connecting rod 373 and the second connecting rod 377 to alternately slide, so that the first auxiliary ball 374 is disposed in the first receiving groove, and the second auxiliary ball 378 slides out of the second receiving groove, so that the coupling agent cannot enter the circulating pipe 370, and only enters the flow distribution plate 130 from the water inlet pipe 120.

The driving member 400 includes a cam 410, the cam 410 rotates on the horizontal plate of the diversion plate 130, the first link 373 and the second link 377 both slide along the circumferential direction of the cam 410, and the cam 410 is coaxially fixed with a gear 420. The handle 440 slides on the upper surface of the diverter plate 130, the sliding direction is vertical to the length direction of the diverter plate 130, a horizontal rack 450 is fixed on the handle 440 through a connecting rod, and the rack 450 is meshed with the gear 420. When the scanning frame 200 works, the handle 440 slides first, then the scanning frame 200 moves, and when the handle 440 slides, the rack 450 is driven to move, the rack 450 drives the gear 420 to move, and the gear 420 drives the cam 410 to rotate, so that the first connecting rod 373 and the second connecting rod 377 slide alternately.

In order to achieve the automatic reset of the handle 440, such that the first link 373 and the second link 377 are reset, the gear cam 410 is coaxially sleeved with a coil spring (not shown), one end of the coil spring is fixedly connected to the rotating shaft of the cam 410, and the other end of the coil spring is fixedly connected to the horizontal end of the diversion plate 130.

The specific working process of this embodiment: when the scanning frame 200 does not work, the first auxiliary ball 374 slides out of the first accommodating groove, the second auxiliary ball 378 is arranged in the second accommodating groove, and the coupling agent cannot enter the water inlet pipe 120 and only enters the spraying box from the circulating pipe 370; when the scanning frame 200 is driven to work, the handle 440 slides firstly to drive the rack 450 to move, the rack 450 drives the gear 420 to rotate, the gear 420 drives the cam 410 to rotate, the cam 410 drives the first connecting rod 373 and the second connecting rod 377 to slide alternately, so that the first auxiliary ball 374 is arranged in the first accommodating groove, the second auxiliary ball 378 slides out of the second accommodating groove, then the scanning frame 200 is driven to move, meanwhile, the coupling agent enters the water inlet pipe 120, is sprayed onto a welding seam from the spray pipe 110 after being shunted by the shunting plate 130, and the welding seam is detected by the probe.

Claims

1. The utility model provides a TOFD sweeps and examines a spray set which characterized in that: spray frame (100) including being fixed in on crossbeam (500), be fixed with horizontally flow distribution plate (130) on spraying frame (100), cylindric cavity has been seted up in flow distribution plate (130), one side intercommunication of flow distribution plate (130) length direction has inlet tube (120), and the opposite side intercommunication has shower (110), the one end that flow distribution plate (130) were kept away from in inlet tube (120) communicates with the water pipe on the spray box.

2. The TOFD scanning rack spray set according to claim 1, wherein: the spray pipe (110) is provided with a plurality of, be provided with break-make spare (300) in flow distribution plate (130), break-make spare (300) are used for controlling the intercommunication of spray pipe (110) and flow distribution plate (130).

3. The TOFD scanning rack spray set according to claim 2, wherein: the water inlet pipe (120) is communicated with a flow regulating valve (150).

4. The TOFD scanning rack spray set according to claim 3, wherein: the on-off part (300) comprises a sliding rod (310), the sliding rod (310) slides at two ends of the length direction of the flow distribution plate (130), the sliding direction of the sliding rod (310) is parallel to the length direction of the flow distribution plate (130), one end of the sliding rod (310) extending into the flow distribution plate (130) is coaxially fixed with an on-off ball (320), and the diameter of the on-off ball (320) is equal to that of the flow distribution plate (130).

5. The TOFD scanning rack spraying device according to claim 4, wherein: the flow distribution plate (130) is rotated with a bidirectional screw rod (330), two ends of the bidirectional screw rod (330) are both in threaded connection with connecting blocks (340), and the two connecting blocks (340) are respectively and fixedly connected with the two sliding rods (310) in a vertical mode.

6. The TOFD scanning rack spray set according to claim 5, wherein: a guide groove (350) is formed in the flow distribution plate (130), a guide block (360) is fixed on the connecting block (340), and the guide block (360) slides in the guide groove (350).

7. The TOFD scanning rack spray set according to claim 6, wherein: a first containing block (371) is fixed on the upper outer wall of the water inlet pipe (120), a first containing groove (372) communicated with the inner cavity of the water inlet pipe (120) is formed in the first containing block (371), a first connecting rod (373) slides in the first containing groove (372), a first auxiliary ball (374) is coaxially fixed at one end of the first connecting rod (373) arranged in the first containing groove (372), the diameter of the first auxiliary ball (374) is equal to that of the water inlet pipe (120), a circulating pipe (370) is communicated with the water pipe, the circulating pipe (370) is communicated with the spray box, a second containing block (375) is fixed on the outer wall of the circulating pipe (370), a second containing groove (376) communicated with the inner cavity of the circulating pipe (370) is formed in the second containing groove (375), a second connecting rod (377) slides in the second containing groove (376), and a second auxiliary ball (378) is fixed at one end of the second connecting rod (377) arranged in the second containing groove (376), the diameter of the second auxiliary ball (378) is equal to that of the circulating pipe (370), and a driving member (400) for driving the first connecting rod (373) and the second connecting rod (377) to alternately slide is arranged on the spray rack (100).

8. The TOFD scanning rack spray set according to claim 7, wherein: the handle (440) slides on the upper surface of the flow distribution plate (130), the sliding direction is perpendicular to the length direction of the flow distribution plate (130), the driving piece (400) comprises a cam (410), the cam (410) rotates on the spray rack (100), the first connecting rod (373) and the second connecting rod (377) both slide along the circumferential direction of the cam (410), the cam (410) is coaxially fixed with a gear (420), the handle (440) is fixed with a horizontal rack (450), and the rack (450) is meshed with the gear (420).

9. The TOFD scanning rack spray set according to claim 8, wherein: the cam (410) is coaxially sleeved with a coil spring (430), one end of the coil spring (430) is fixedly connected with a rotating shaft of the cam (410), and the other end of the coil spring is fixedly connected with the flow distribution plate (130).