CN102565094B - Nondestructive inspection equipment of casting - Google Patents

Nondestructive inspection equipment of casting Download PDF

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Publication number
CN102565094B
CN102565094B CN201010603170.0A CN201010603170A CN102565094B CN 102565094 B CN102565094 B CN 102565094B CN 201010603170 A CN201010603170 A CN 201010603170A CN 102565094 B CN102565094 B CN 102565094B
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gantry
assembly
frame
correct frame
girder steel
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CN102565094A (en
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张建兵
刘俊
范祖清
顾祖华
徐成琼
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Nuclear Power Institute of China
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Nuclear Power Institute of China
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Abstract

The invention belongs to the technical field of industrial nondestructive inspection, and more particularly relates to nondestructive inspection equipment of a casting. The nondestructive inspect equipment comprises a gantry assembly, a Y-direction lifting assembly, a probe shielding assembly, a source application assembly, pulley assemblies, an underframe assembly and an X-direction moving assembly, wherein the gantry assembly comprises a right gantry frame and a left gantry frame; the source application assembly and a ray receiving assembly are respectively arranged on the right gantry frame and the left gantry frame; the pulley assemblies are respectively arranged on the right gantry assembly and the left gantry assembly of the gantry assembly; the X-direction moving assembly which is used for horizontally moving the gantry assembly is arranged below the gantry assembly; and the underframe assembly is erected above the X-direction moving assembly and used for supporting a casting subjected to flaw detection. The nondestructive inspection equipment disclosed by the invention solves the technical problem that the ultra-thick casting cannot subjected to flaw detection and achieves the technical effect of carrying out nondestructive flaw detection on the ultra-thick casting.

Description

A kind of casting non-destructive inspection equipment
Technical field
The invention belongs to industrial nondestructive testing technical field, be specifically related to a kind of casting non-destructive inspection equipment.
Background technology
Foundry goods flaw detection is particularly very important technological process in commercial production in nuclear engineering device fabrication.In nuclear engineering is built, the barrier propterty of shielding foundry goods is a very important technical indicator, must carry out nondestructive examination detection to the defect of foundry goods inside, to guarantee to find in time internal defects, guarantees that barrier propterty meets request for utilization.
Existing foundry goods failure detector is normally based on ultrasonic inspection principle and ray (gamma-rays and X ray) exposure flaw detection principle.
For the foundry goods failure detector based on ultrasonic inspection principle, because the crystal grain of ironcasting is too thick, thereby utilize, ultrasonicly when being detected a flaw, ironcasting there will be a large amount of clutters to affect the accuracy of result of detection; In addition because ultrasound wave cannot penetrate super thick steel-casting, the foundry goods failure detector based on ultrasonic inspection principle cannot be detected a flaw to steel-casting.
For the foundry goods failure detector based on ray exposing flaw detection principle, because the ray exposing methods of detection such as gamma-rays or X ray are only applicable to the steel-casting that thickness is less than 300mm, it can not solve the problem of carrying out nondestructive examination that gauge is greater than to the super thick steel-casting of 300mm equally.
Summary of the invention
The present invention need to solve the technical matters that existing foundry goods failure detector cannot be detected a flaw to super thick foundry goods.
Technical scheme of the present invention is as described below:
A kind of casting non-destructive inspection equipment, comprise gantry assembly, Y-direction lifting subassembly, ray receiving unit, execute source component, pulley assembly, underframe assembly and X-direction moving assembly, wherein, gantry assembly comprises gantry correct frame and gantry left frame, described execute source component and ray receiving unit is arranged on respectively in gantry correct frame and gantry left frame, in gantry of gantry assembly correct frame and gantry left frame, pulley assembly is all installed, below the assembly of gantry, be provided with for moving horizontally the X-direction moving assembly of gantry assembly, underframe assembly frame is used for supporting by flaw detection foundry goods in X-direction moving assembly top,
Gantry assembly comprises gantry correct frame, gantry left frame and top girder steel, gantry correct frame and gantry left frame all have two montants, a push rod and a bottom bar, be " mouth " font, the two placement that is parallel to each other, top girder steel is connected between gantry correct frame push rod and gantry left frame push rod, and its length is greater than by the thickness of flaw detection foundry goods;
Y-direction lifting subassembly comprises Y-direction motor, Y-direction shaft joint, Y-direction screw mandrel, Y-direction feed screw nut, correct frame Y-direction guide rail, correct frame Y-direction guide rail slide block and hoop component; Wherein, correct frame push rod top, above-mentioned gantry one side is provided with Y-direction motor; In the correct frame of gantry, near montant one side of Y-direction motor, be vertically provided with Y-direction screw mandrel; Y-direction motor is connected by Y-direction shaft joint with Y-direction screw mandrel; In the correct frame of gantry, be vertically provided with a correct frame Y-direction guide rail away from montant one side of Y-direction motor, correct frame Y-direction guide rail is provided with correct frame Y-direction guide rail slide block; Y-direction feed screw nut is installed on Y-direction screw mandrel, and it does vertical direction motion under the effect of Y-direction leading screw; It is upper that hoop component one end is fixed on Y-direction feed screw nut, and the other end is connected on correct frame Y-direction guide rail slide block;
Ray receiving unit is fixed on the hoop component in Y-direction lifting subassembly with the direction perpendicular to correct frame place, gantry plane;
Execute the lead shield body that is provided with through hole centered by source component, it is inner that it hangs on gantry left frame with the direction perpendicular to left frame place, gantry plane by pulley assembly;
Pulley assembly comprises an angle pulley, two winding pulleies, execute source component derrick block and a wire rope for one, wherein, an angle pulley is fixed on side by side correct frame Y-direction guide rail lower end before and after the direction perpendicular to correct frame place, gantry plane, two winding pulleies are along be individually fixed in the two ends, left and right of assembly top, gantry girder steel perpendicular to the direction of correct frame place, gantry plane, executing source component derrick block is connected in and executes source component top, head of steel wire rope is fixed on the hoop component of Y-direction lifting subassembly by wire line clamp, it walks around angle pulley successively, be positioned at the winding pulley of assembly top, gantry girder steel right-hand member, a winding pulley that is positioned at assembly top, gantry girder steel left end, with execute source component derrick block, last wire rope afterbody is fixed on the left frame push rod of gantry by wire line clamp,
Underframe assembly comprises after girder steel before a foundation frame, a foundation frame girder steel on girder steel and some foundation framves, wherein, before underframe girder steel with girder steel after underframe with parallel on the ground staggered relatively perpendicular to the direction of correct frame place, gantry plane, on underframe, girder steel is supported in before underframe girder steel top after girder steel and underframe, and before underframe, after girder steel, underframe, on girder steel and underframe, girder steel surrounds a rectangle vault jointly;
X-direction moving assembly comprises X-direction travelling car, X-direction leading screw, X-direction shaft joint, X-direction motor, X-direction feed screw nut and X-direction guide rail; Wherein, X-direction travelling car forms " work " glyph framework by three channel-section steels, comprises two parallel channel-section steels and a middle channel-section steel, and it is connected in assembly below, above-mentioned gantry, article two, two little pulley sheaves are all installed on parallel channel-section steel, and middle channel-section steel is provided with X-direction feed screw nut; X-direction leading screw is connected with X-direction motor by X-direction shaft joint; X-direction leading screw is installed on middle part, X-direction travelling car below along the direction that is parallel to correct frame place, gantry plane; Gantry correct frame of above-mentioned gantry assembly is separately fixed on two parallel channel-section steels of X-direction travelling car opposing parallel placement with gantry left frame; X-direction feed screw nut in the middle of being arranged on channel-section steel is made horizontal motion under the effect of X-direction leading screw; Ground is provided with along two X-direction guide rails that are parallel to the direction opposing parallel of correct frame place, gantry plane, and X-direction travelling car and X-direction feed screw nut fix, and in its rectangle vault forming at above-mentioned underframe assembly along X-direction guide rail, does moving of horizontal direction.
As preferred version of the present invention, described Y-direction lifting subassembly also comprises Y-direction movable machinery stop means and thrust ball bearing, Y-direction movable machinery stop means is the flat board of a horizontal direction, it is fixed between two montants of gantry correct frame, lower surface contacts with Y-direction guide rail upper surface, and Y-direction leading screw is through Y-direction movable machinery stop means; Thrust ball bearing is enclosed within on Y-direction screw mandrel, and its upper surface contacts with Y-direction shaft joint, and lower surface contacts with Y-direction movable machinery stop means upper surface.Described Y-direction lifting subassembly can also comprise one group of Y-direction electronic limit device, and it is installed on respectively the montant top and bottom that gantry correct frame is provided with Y-direction leading screw, and the two distance is according to being determined by flaw detection foundry goods height.In addition, on the underframe of described underframe assembly, on girder steel, can also be provided with girder steel mechanical stop limiter as placing by the benchmark of flaw detection foundry goods.
As improvement of the present invention, described Y-direction lifting subassembly also comprises two left frame Y-direction guide rails, described lower left quarter and the right lower quadrant of executing source component is respectively provided with a castor: on two montants of gantry left frame, be separately installed with a left frame Y-direction guide rail vertically, two castors executing source component slide respectively on two left frame Y-direction guide rails.
As a further improvement on the present invention, gantry correct frame of described gantry assembly is connected with the X-direction travelling car of X-direction moving assembly by two reinforcing rods respectively with gantry left frame, and reinforcing rod is connected between the montant of gantry left frame and gantry correct frame and the front and rear end of the parallel channel-section steel of X-direction travelling car.
In addition, the source component of executing of the present invention can be connected with storage source device; Ray receiving unit can be connected with data storage device; Y-direction lifting subassembly and X-direction moving assembly can pass through computer control system Long-distance Control.
Beneficial effect of the present invention comprises:
(1) the present invention can carry out nondestructive examination to super thick foundry goods, ironcasting and the thickness steel-casting 300~800mm between of thickness below 800mm is particularly useful for detecting a flaw, can effectively judge in foundry goods, whether there are the defects such as pore, slag inclusion, tissue looseness, and judge whether defect size meets technical indicator;
(2) Y-direction movable machinery stop means first override capability scope that can prevent from moving after equipment from casting anchor, shields to device of the present invention;
(3) Y-direction electronic limit device has limited the travel range of executing the motion of source component and ray receiving unit vertical direction, and can by flaw detection casting dimensions, be adjusted flexibly according to different, has strengthened device of the present invention to the detected a flaw applicability of foundry goods of different size; In addition, adopt Y-direction electronic limit device in the situation that do not contact for the fixing hoop component of ray receiving unit and realize limit function, to have improved spacing precision;
(4) Y-direction lifting subassembly comprises two left frame Y-direction guide rails, lower left quarter and the right lower quadrant of executing source component are respectively provided with a castor, the cooperation of left frame Y-direction guide rail and castor, can make the motion of executing source component vertical direction more stablize smoothness, avoids direction of motion generation deviation;
(5) gantry correct frame of gantry assembly is connected with the X-direction travelling car of X-direction moving assembly by two reinforcing rods respectively with gantry left frame, and the design of reinforcing rod can be for providing more firm connection between gantry assembly and X-direction travelling car.
Accompanying drawing explanation
Fig. 1 is casting non-destructive inspection equipment front view of the present invention;
Fig. 2 is casting non-destructive inspection equipment of the present invention gantry correct frame schematic diagram;
Fig. 3 is the left view of Fig. 1.
In figure, 1-gantry correct frame, 2-Y is to movable machinery stop means, 3-correct frame Y-direction guide rail, 4-ray receiving unit, 5-Y direction guiding rail slide block, 6-Y is to feed screw nut, 7-Y is to motor, 8-winding pulley, 9-Y is to shaft joint, 10-thrust ball bearing, 11-Y is to electronic limit device, 12-Y is to screw mandrel, 13-wire rope, 14-hoop component, the little pulley sheave of 15-, 16-is by the foundry goods of detecting a flaw, 17-angle pulley, girder steel on 18-underframe, 19-executes source component derrick block, 20-executes source component, 21-girder steel mechanical stop limiter, 22-X direction guiding rail, channel-section steel in the middle of 23-, 24-X is to motor, 25-top girder steel, 26-gantry left frame, 27-rectangle vault, 28-castor, 29-left frame Y-direction guide rail, 30-reinforcing rod, girder steel before 31-underframe, girder steel after 32-underframe, the parallel channel-section steel of 33-.
Embodiment
Below in conjunction with drawings and Examples, casting non-destructive inspection equipment of the present invention is described in detail:
Embodiment 1
As shown in Figure 1, a kind of casting non-destructive inspection equipment of the present embodiment comprises gantry assembly, Y-direction lifting subassembly, ray receiving unit 4, executes source component 20, pulley assembly, underframe assembly and X-direction moving assembly.Wherein, gantry assembly comprises gantry correct frame 1 and gantry left frame 26, described execute source component 20 and ray receiving unit 4 is arranged on respectively in gantry correct frame 1 and gantry left frame 26, in gantry of gantry assembly correct frame 1 and gantry left frame 26, pulley assembly is all installed, below the assembly of gantry, be provided with for moving horizontally the X-direction moving assembly of gantry assembly, underframe assembly frame is used for supporting by flaw detection foundry goods in X-direction moving assembly top.
Gantry assembly is that the main support structure of present device is for executing source component 20 and ray receiving unit 4 provides support, it comprises gantry correct frame 1, gantry left frame 26 and top girder steel 25, gantry correct frame 1 and gantry left frame 26 all have two montants, a push rod and a bottom bar, be " mouth " font, the two placement that is parallel to each other, top girder steel 25 is connected between gantry correct frame 1 push rod and gantry left frame 26 push rods.Because device of the present invention is applicable to the super thick foundry goods of flaw detection, the length of top girder steel 25 need to be greater than the thickness of foundry goods, and in the present embodiment, the length of top girder steel 25 is greater than 800mm.
As shown in Figure 2, Y-direction lifting subassembly is for controlling the motion of the vertical direction of executing source component 20 and ray receiving unit 4, and it comprises Y-direction motor 7, Y-direction shaft joint 9, Y-direction screw mandrel 12, Y-direction feed screw nut 6, correct frame Y-direction guide rail 3, correct frame Y-direction guide rail slide block 5 and hoop component 14; Wherein, correct frame 1 push rod top one side in above-mentioned gantry is provided with Y-direction motor 7; In gantry correct frame 1, near montant one side of Y-direction motor 7, be vertically provided with Y-direction screw mandrel 12; Y-direction motor 7 is connected by Y-direction shaft joint 9 with Y-direction screw mandrel 12, and Y-direction motor 7 can drive 12 motions of Y-direction screw mandrel by Y-direction shaft joint 9; In gantry correct frame 1, be vertically provided with a correct frame Y-direction guide rail 3 away from montant one side of Y-direction motor 7, correct frame Y-direction guide rail 3 is provided with correct frame Y-direction guide rail slide block 5, and this Y-direction guide rail slide block 5 can only move along Y-direction guide rail 3; Y-direction feed screw nut 6 is installed on Y-direction screw mandrel 12, and Y-direction feed screw nut 6 is done vertical direction motion under the effect of Y-direction leading screw 12; Hoop component 14 one end are fixed on Y-direction feed screw nut 6, and the other end is connected on the Y-direction guide rail slide block 5 of gantry correct frame 1.
Ray receiving unit 4 is for receiving the gamma-rays through the foundry goods 16 of being detected a flaw, it comprises radiation survey meter, lead shield body and lock-screw, with radiation survey meter measurement termination, the direction perpendicular to gantry correct frame 1 place plane is fixed on the hoop component 14 in Y-direction lifting subassembly for it, and hoop component 14 is tightly placed in ray receiving unit 4 and away from radiation survey meter, measures a side of termination.Wherein centered by lead shield body, be provided with the right cylinder of cavity, the size of described cavity be take and can be packed radiation survey meter into and contact as standard with measuring instrument outer wall sealing, lock-screw contacts with radiation survey meter through lead shield body, to prevent relative motion between lead shield body and radiation survey meter.The length of described lead shield body is slightly longer than the length of radiation survey meter, and lead shield body is longer than the radius that radiation survey meter center cavity radius is partly less than radiation survey meter measurement termination, formation seam.In the present embodiment, the wall thickness of described lead shield body is 16mm, and the model of radiation survey meter is JFT-0901.In the present embodiment, the length of ray receiving unit 4 is 290mm, for guarantee radiation survey meter measure termination with the distance on foundry goods 16 surfaces of being detected a flaw between 1~2mm, the side that ray receiving unit 4 is measured termination away from radiation survey meter can also be provided with the extension that can regulate length, adds ray receiving unit 4 length after extension can reach 800mm.For the ray receiving unit 4 that is provided with extension, hoop component 14 is tightly placed on described extension.
As shown in Figure 3, execute the lead shield body that is provided with through hole centered by source component 20, it hangs on left frame 26 inside in gantry with the direction perpendicular to gantry left frame 26 place planes by pulley assembly.Execute source component 20 for the collimating apparatus of gamma ray projector, executing source component 20 is connected with storage source device (defectoscope), by storage source device, radioactive source is inserted and executed in source component 20 central through holes, make gamma-rays from opening of the channel directive detected a flaw foundry goods 16 and then directive ray receiving unit 4.
Pulley assembly is executed source component 20 and ray receiving unit 4 in same level height for ensureing, comprise an angle pulley 17, two winding pulleies 8, execute source component derrick block 19 and a wire rope 13 for one, wherein, an angle pulley 17 is fixed on correct frame Y-direction guide rail 3 lower ends along the direction perpendicular to gantry correct frame 1 place plane, two winding pulleies 8 are along be individually fixed in the two ends, left and right of assembly top, gantry girder steel 25 perpendicular to the direction of gantry correct frame 1 place plane, executing source component derrick block 19 is connected in and executes source component 20 tops, wire rope 13 heads are fixed on the hoop component 14 of Y-direction lifting subassembly by wire line clamp, it walks around angle pulley 17 successively, be positioned at the winding pulley 8 of assembly top, gantry girder steel 25 right-hand members, be positioned at the winding pulley 8 of assembly top, gantry girder steel 25 left ends and execute source component derrick block 19, last wire rope 13 afterbodys are fixed on gantry left frame 26 push rods by wire line clamp.
Underframe assembly is used for supporting by flaw detection foundry goods 16, and coordinate X-direction moving assembly to control the motion of gantry component level direction, it comprises after girder steel 31 before a foundation frame, a foundation frame girder steel 18 on girder steel 32 and some foundation framves, wherein, before underframe girder steel 31 with girder steel after underframe 32 with parallel on the ground staggered relatively perpendicular to the direction of gantry correct frame 1 place plane, on underframe, girder steel 18 is supported in before underframe girder steel 32 tops after girder steel 31 and underframe, and before underframe, after girder steel 31, underframe, on girder steel 32 and underframe, girder steel 18 surrounds a rectangle vault 27 jointly.
X-direction moving assembly comprises X-direction travelling car, X-direction leading screw, X-direction shaft joint, X-direction motor 24, X-direction feed screw nut and X-direction guide rail 22; Wherein, X-direction travelling car forms " work " glyph framework by three channel-section steels, comprises two parallel channel-section steels 33 and a middle channel-section steel 23, and it is connected in assembly below, above-mentioned gantry, article two, on parallel channel-section steel 33, two dolly pulleys 15 are all installed, middle channel-section steel 23 is provided with X-direction feed screw nut; X-direction leading screw is connected with X-direction motor 24 by X-direction shaft joint; X-direction leading screw is installed on middle part, X-direction travelling car below along the direction that is parallel to gantry correct frame 1 place plane; Gantry correct frame 1 of above-mentioned gantry assembly is separately fixed on two parallel channel-section steels 33 of X-direction travelling car opposing parallel placement with gantry left frame 26; X-direction feed screw nut in the middle of being arranged on channel-section steel 23 is made horizontal motion under the effect of X-direction leading screw; Ground is provided with along being parallel to two X-direction guide rails 22 of the direction opposing parallel of gantry correct frame 1 place plane, and X-direction travelling car and X-direction feed screw nut fix, and it does moving of horizontal direction along X-direction guide rail 22 rectangle vault 27 of above-mentioned underframe assembly formation is interior.
Y-direction lifting subassembly in the present embodiment and X-direction moving assembly can pass through computer control system Long-distance Control.
Use procedure of the present invention is as described below:
(1) X-direction travelling car is placed on the X-direction guide rail 22 that is positioned at ground;
(2) by underframe girder steel frame above X-direction travelling car, after girder steel 31 and underframe, direction and X-direction guide rail 22 directions of girder steel 32 are perpendicular before its underframe;
(3) will be positioned on underframe on girder steel 18 by flaw detection foundry goods 16 (thickness is less than the cast iron of 800mm or the cast steel that thickness is 300~800mm);
(4) gantry assembly is arranged on X-direction travelling car;
(5) adjust the position of X-direction travelling car and gantry assembly, make to execute source component 20 distances by flaw detection foundry goods 16 surface 1~2mm;
(6) adjust the length of ray receiving unit 4 extensions, make the measurement termination of ray receiving unit 4 apart from quilt flaw detection foundry goods 16 surface 1~2mm;
(7), by adjusting Y-direction lifting subassembly, will execute source component 20 and ray receiving unit 4 is placed in initial position, this initial position foundry goods 16 sizes that are decided by be detected a flaw;
(8) will execute source component 20 and be connected with storage source device (defectoscope), ray receiving unit 4 is connected with data storage device, described storage source device and data storage device are known to the skilled person general knowledge;
(9) start storage source device transmitting gamma-rays, the gamma-rays data that log-on data storage device records receives, start computer control system and drive Y-direction lifting subassembly and X-direction moving assembly, make to execute source component 20 and ray receiving unit 4 and vertically with horizontal direction, the foundry goods 16 of being detected a flaw is scanned.
Embodiment 2
The difference of the present embodiment and embodiment 1 is:
Described Y-direction lifting subassembly also comprises Y-direction movable machinery stop means 2 and thrust ball bearing 10, Y-direction movable machinery stop means 2 is the flat board of a horizontal direction, it is fixed between 1 two montants of gantry correct frame, lower surface contacts with Y-direction guide rail upper surface, and Y-direction leading screw is through Y-direction movable machinery stop means 2; Thrust ball bearing 10 is enclosed within on Y-direction screw mandrel 12, and its upper surface contacts with Y-direction shaft joint 9, and lower surface contacts with Y-direction movable machinery stop means 2 upper surfaces.
Y-direction movable machinery stop means 2 first override capability scope that can prevent from moving after equipment from casting anchor, shields to device of the present invention.
Embodiment 3
The difference of the present embodiment and above-mentioned two embodiment is:
Described Y-direction lifting subassembly also comprises one group of Y-direction electronic limit device 11, and it is installed on respectively the montant top and bottom that gantry correct frame 1 is provided with Y-direction leading screw, and the two distance is according to highly being determined by flaw detection foundry goods 16.
Close with 2 effects of Y-direction movable machinery stop means, Y-direction electronic limit device 11 has limited the travel range of executing source component 20 and the 4 vertical direction motions of ray receiving unit, and can by flaw detection foundry goods 16 sizes, be adjusted flexibly according to different, strengthened device of the present invention to the detected a flaw applicability of foundry goods 16 of different size; In addition, adopt Y-direction electronic limit device 11 in the situation that do not contact for the fixing hoop component 14 of ray receiving unit 4 and realize limit function, to have improved spacing precision.
Embodiment 4
The difference of the present embodiment and above-mentioned three embodiment is:
Described Y-direction lifting subassembly also comprises two left frame Y-direction guide rails 29, described lower left quarter and the right lower quadrant of executing source component 20 is respectively provided with a castor 28: on two montants of gantry left frame 26, be separately installed with a left frame Y-direction guide rail 29 vertically, two castors 28 executing source component 20 slide respectively on two left frame Y-direction guide rails 29.
The cooperation of castor 28 and left frame Y-direction guide rail 29, can make the motion of executing source component 20 vertical directions more stablize smoothness, avoids direction of motion generation deviation.
Embodiment 5
The difference of the present embodiment and above-mentioned four embodiment is:
Gantry correct frame 1 of described gantry assembly is connected with the X-direction travelling car of X-direction moving assembly by two reinforcing rods 30 respectively with gantry left frame 26, and reinforcing rod 30 is connected between the montant of gantry left frame 26 and gantry correct frame 1 and the front and rear end of the parallel channel-section steel 33 of X-direction travelling car.
The design of reinforcing rod 30 can be for providing more firm connection between gantry assembly and X-direction travelling car.
Embodiment 6
The difference of the present embodiment and above-mentioned five embodiment is:
On the underframe of described underframe assembly, girder steel 18 is provided with girder steel mechanical stop limiter 21 as placing by the benchmark of flaw detection foundry goods 16.

Claims (9)

1. a casting non-destructive inspection equipment, it is characterized in that: comprise gantry assembly, Y-direction lifting subassembly, ray receiving unit (4), execute source component (20), pulley assembly, underframe assembly and X-direction moving assembly, wherein, gantry assembly comprises gantry correct frame (1) and gantry left frame (26), described execute source component (20) and ray receiving unit (4) is arranged on respectively in gantry correct frame (1) and gantry left frame (26), in gantry of gantry assembly correct frame (1) and gantry left frame (26), pulley assembly is all installed, below the assembly of gantry, be provided with for moving horizontally the X-direction moving assembly of gantry assembly, underframe assembly frame is used for supporting by flaw detection foundry goods in X-direction moving assembly top,
Gantry assembly comprises gantry correct frame (1), gantry left frame (26) and top girder steel (25), gantry correct frame (1) and gantry left frame (26) all have two montants, a push rod and a bottom bar, be " mouth " font, the two placement that is parallel to each other, top girder steel (25) is connected between gantry correct frame (1) push rod and gantry left frame (26) push rod, and its length is greater than by the thickness of flaw detection foundry goods (16);
Y-direction lifting subassembly comprises Y-direction motor (7), Y-direction shaft joint (9), Y-direction screw mandrel (12), Y-direction feed screw nut (6), correct frame Y-direction guide rail (3), correct frame Y-direction guide rail slide block (5) and hoop component (14); Wherein, above-mentioned gantry correct frame (1) push rod top one side is provided with Y-direction motor (7); In gantry correct frame (1), near montant one side of Y-direction motor (7), be vertically provided with Y-direction screw mandrel (12); Y-direction motor (7) is connected by Y-direction shaft joint (9) with Y-direction screw mandrel (12); In gantry correct frame (1), be vertically provided with a correct frame Y-direction guide rail (3) away from montant one side of Y-direction motor (7), correct frame Y-direction guide rail (3) is provided with correct frame Y-direction guide rail slide block (5); Y-direction feed screw nut (6) is installed on Y-direction screw mandrel (12), and it does vertical direction motion under the effect of Y-direction leading screw (12); It is upper that hoop component (14) one end is fixed on Y-direction feed screw nut (6), and the other end is connected on correct frame Y-direction guide rail slide block (5);
Ray receiving unit (4) is for receiving the gamma-rays through the foundry goods (16) of being detected a flaw, it comprises radiation survey meter, lead shield body and lock-screw, with radiation survey meter measurement termination, the direction perpendicular to gantry correct frame (1) place plane is fixed on the hoop component (14) in Y-direction lifting subassembly for it, and hoop component (14) is tightly placed in ray receiving unit (4) and away from radiation survey meter, measures a side of termination; Centered by described lead shield body, be provided with the right cylinder of cavity, the size of described cavity be take and can be packed radiation survey meter into and contact as standard with radiation survey meter outer wall sealing; Described lock-screw contacts with radiation survey meter through lead shield body;
Execute the lead shield body that is provided with through hole centered by source component (20), it hangs on gantry left frame (26) inside with the direction perpendicular to gantry left frame (26) place plane by pulley assembly;
Pulley assembly comprises an angle pulley (17), two winding pulleies (8), execute source component derrick block (19) and a wire rope (13) for one, wherein, an angle pulley (17) is fixed on side by side correct frame Y-direction guide rail (3) lower end before and after the direction perpendicular to gantry correct frame (1) place plane, two winding pulleies (8) are along be individually fixed in the two ends, left and right of assembly top, gantry girder steel (25) perpendicular to the direction of gantry correct frame (1) place plane, executing source component derrick block (19) is connected in and executes source component (20) top, wire rope (13) head is fixed on the hoop component (14) of Y-direction lifting subassembly by wire line clamp, it walks around angle pulley (17) successively, be positioned at the winding pulley (8) of assembly top, gantry girder steel (25) right-hand member, a winding pulley (8) that is positioned at assembly top, gantry girder steel (25) left end, with execute source component derrick block (19), last wire rope (13) afterbody is fixed on gantry left frame (26) push rod by wire line clamp,
Underframe assembly comprises after girder steel (31) before a foundation frame, a foundation frame girder steel (18) on girder steel (32) and some foundation framves, wherein, before underframe girder steel (31) with girder steel after underframe (32) with parallel on the ground staggered relatively perpendicular to the direction of gantry correct frame (1) place plane, girder steel on underframe (18) is supported in before underframe girder steel (32) top after girder steel (31) and underframe, and after the front girder steel (31) of underframe, underframe, on girder steel (32) and underframe, girder steel (18) surrounds a rectangle vault (27) jointly;
X-direction moving assembly comprises X-direction travelling car, X-direction leading screw, X-direction shaft joint, X-direction motor (24), X-direction feed screw nut and X-direction guide rail (22); Wherein, X-direction travelling car forms " work " glyph framework by three channel-section steels, comprise two parallel channel-section steels (33) and a middle channel-section steel (23), it is connected in assembly below, above-mentioned gantry, article two, on parallel channel-section steel (33), two little pulley sheaves (15) are all installed, middle channel-section steel (23) is provided with X-direction feed screw nut; X-direction leading screw is connected with X-direction motor (24) by X-direction shaft joint; X-direction leading screw is installed on middle part, X-direction travelling car below along the direction that is parallel to gantry correct frame (1) place plane; Gantry correct frame (1) of above-mentioned gantry assembly is separately fixed on two parallel channel-section steels (33) of X-direction travelling car opposing parallel placement with gantry left frame (26); X-direction feed screw nut in the middle of being arranged on channel-section steel (23) is made horizontal motion under the effect of X-direction leading screw; Ground is provided with along two the X-direction guide rails (22) that are parallel to the direction opposing parallel of gantry correct frame (1) place plane, X-direction travelling car and X-direction feed screw nut fix, and do the motion of horizontal direction in its rectangle vault (27) forming at above-mentioned underframe assembly along X-direction guide rail (22).
2. casting non-destructive inspection equipment according to claim 1, it is characterized in that: described Y-direction lifting subassembly also comprises Y-direction movable machinery stop means (2) and thrust ball bearing (10), Y-direction movable machinery stop means (2) is the flat board of a horizontal direction, it is fixed between (1) two montant of gantry correct frame, lower surface contacts with Y-direction guide rail upper surface, and Y-direction leading screw is through Y-direction movable machinery stop means (2); It is upper that thrust ball bearing (10) is enclosed within Y-direction screw mandrel (12), and its upper surface contacts with Y-direction shaft joint (9), and lower surface contacts with Y-direction movable machinery stop means (2) upper surface.
3. casting non-destructive inspection equipment according to claim 1, it is characterized in that: described Y-direction lifting subassembly also comprises one group of Y-direction electronic limit device (11), it is installed on respectively the montant top and bottom that gantry correct frame (1) is provided with Y-direction leading screw, and the two distance is according to highly being determined by flaw detection foundry goods (16).
4. casting non-destructive inspection equipment according to claim 1, it is characterized in that: described Y-direction lifting subassembly also comprises two left frame Y-direction guide rails (29), described lower left quarter and the right lower quadrant of executing source component (20) is respectively provided with a castor (28): on two montants of gantry left frame (26), be separately installed with a left frame Y-direction guide rail (29) vertically, execute two castors (28) of source component (20) respectively in the upper slip of two left frame Y-direction guide rails (29).
5. casting non-destructive inspection equipment according to claim 1, is characterized in that: girder steel on the underframe of described underframe assembly (18) is provided with girder steel mechanical stop limiter (21) as placing by the benchmark of flaw detection foundry goods (16).
6. casting non-destructive inspection equipment according to claim 1, it is characterized in that: gantry correct frame (1) of described gantry assembly is connected with the X-direction travelling car of X-direction moving assembly by two reinforcing rods (30) respectively with gantry left frame (26), reinforcing rod (30) is connected between the montant of gantry left frame (26) and gantry correct frame (1) and the front and rear end of the parallel channel-section steel of X-direction travelling car (33).
7. casting non-destructive inspection equipment according to claim 1, is characterized in that: described in execute source component (20) and be connected with storage source device.
8. casting non-destructive inspection equipment according to claim 1, is characterized in that: described ray receiving unit (4) is connected with data storage device.
9. casting non-destructive inspection equipment according to claim 1, is characterized in that: described Y-direction lifting subassembly and X-direction moving assembly are by computer control system Long-distance Control.
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