CN211785224U

CN211785224U - Accelerator digital imaging device applied to nondestructive testing of large castings

Info

Publication number: CN211785224U
Application number: CN202020251947.0U
Authority: CN
Inventors: 谭晓超; 党彬; 孙典奎; 刘广大; 陈奕同
Original assignee: Dandong Huari Electric Co ltd
Current assignee: Dandong Huari Electric Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-10-27
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a be applied to large casting nondestructive test's accelerator digital imaging device, include: the device comprises a walking vehicle, an object detection platform, an accelerator lifting device and a linear array lifting device, wherein the object detection platform provided with a plurality of clamping workpieces is arranged above the walking vehicle, the walking vehicle is placed on a ground pre-buried steel rail through wheels and enters and exits a detection room in a walking mode of the walking vehicle, and the accelerator lifting device and the linear array lifting device are respectively fixed on the ground of the detection room and stand oppositely on two sides of the walking vehicle. The utility model provides a large casting can only use the film to take a photograph the method and carry out X ray nondestructive test. Due to the adoption of high-precision automatic remote control, the detection precision and the detection efficiency are improved, the application range is widened, the labor intensity of field workers is reduced, and the method is suitable for wide popularization.

Description

Accelerator digital imaging device applied to nondestructive testing of large castings

Technical Field

The utility model relates to a large casting real-time imaging detection device, an accelerator digital imaging device who is applied to large casting nondestructive test specifically says so.

Background

The casting is a component unit of various machines, and the small components inside the casting cannot be seen by naked eyes due to the large size of the large casting, so that potential safety hazards are likely to occur. The X-ray nondestructive inspection can realize one hundred percent inspection under the condition of not damaging the service performance and the shape of the detected object, thereby judging the quality condition of the detected object, and becoming an extremely important technical means in the aspects of controlling the product quality, ensuring the safe operation of equipment and the like.

At present, the X-ray nondestructive inspection technology of large castings still stays at the stage of manually shooting films by using the films, but the defects of low working efficiency, complicated working procedures, serious pollution and the like exist when the films are used for shooting. With the rapid development of X-ray nondestructive inspection in the wide scientific and technological fields of industrial production and the like, film shooting can not meet the requirement of the detection efficiency of large castings at the present stage. An accelerator digital imaging device meeting the nondestructive testing of large castings is urgently needed by large casting manufacturers.

Disclosure of Invention

The utility model discloses to the proposition of above problem, developed an accelerator digital imaging device who is applied to large-scale foundry goods nondestructive test.

The technical means of the utility model are as follows: an accelerator digital imaging device applied to nondestructive testing of large castings comprises a walking vehicle, an object detection platform, an accelerator lifting device and a linear array lifting device, wherein the object detection platform provided with a plurality of workpieces for clamping is arranged above the walking vehicle, the walking vehicle is placed on a ground pre-embedded steel rail through wheels and enters and exits a detection chamber in a walking mode of the walking vehicle, and the accelerator lifting device and the linear array lifting device are respectively fixed on the ground of the detection chamber and are opposite to each other at two sides of the walking vehicle;

the walking vehicle includes: the device comprises a vehicle body, wheels, bearings, bearing seats, a driving shaft, a driven shaft, a first speed reducer, a first servo motor, a driving gear, a driven gear and a power device of a detection table; the bearing is arranged in a bearing seat, the bearing seat is symmetrically distributed on two sides of the vehicle body, a driving gear is arranged on a first speed reducer provided with a first servo motor, two driven gears are respectively arranged on a driving shaft, and the driving gear is meshed with the two driven gears simultaneously;

the object detection table comprises: the device comprises a frame, a driven wheel, a synchronous belt, a belt wheel, a positioning disc, a rotary bearing and a tooling fixture; the positioning disc is arranged at one end of the frame, is close to the bottom of the frame and is connected with a positioning rod on a walking vehicle body, the belt wheel and the tooling fixture are arranged on the slewing bearings and are connected with the slewing bearings through the synchronous belt, the driven wheel is fixed on one belt wheel, the object carrying detection platform is arranged above the walking vehicle and is meshed with the power device of the detection platform to complete power output;

the accelerator lifting device comprises: the device comprises a linear unit I, an accelerator sliding frame, an accelerator, a coupling I, a speed reducer II, a servo motor II, a steel wire rope I, a rope pulley seat I, a counterweight I, a vertical frame I, a screw rod I and a polished rod I; the first vertical frame is used as a bearing carrier and fixed on the ground, the first linear unit, the first feed rod and the first rope wheel seat are fixed on the first vertical frame, the accelerator is installed on the first accelerator sliding frame, the first accelerator sliding frame is fixed on the first linear unit and connected with the first lead screw, the second servo motor is fixedly connected with the second speed reducer, the second speed reducer is fixedly connected with the first lead screw through the first coupler, the first accelerator sliding frame and the first counter weight are respectively fixed at two ends of the first steel wire rope, and the first counter weight is lifted in the first vertical frame by taking the first feed rod as a linear guide system;

linear array elevating gear includes: the linear unit II, the lifting sliding frame, the linear array, the coupler II, the speed reducer III, the servo motor III, the steel wire rope II, the rope wheel seat II, the counterweight II, the vertical frame II, the screw rod II and the feed rod II; the second vertical frame is used as a bearing carrier and fixed on the ground, the second linear unit, the second feed rod and the second rope wheel seat 408 are fixed on the second vertical frame, the linear array is installed on the lifting sliding frame, the lifting sliding frame is fixed on the second linear unit and connected with the second lead screw, the third servo motor is fixedly connected with the third speed reducer, the third speed reducer is fixedly connected with the second lead screw through the second coupler, the lifting sliding frame and the second balance weight are respectively fixed at two ends of the second steel wire rope, and the second balance weight is lifted in the second vertical frame by using the second feed rod as a linear guide system.

Wherein, the object detection table is provided with four groups of tool clamps, or a group of tool clamps, or a plurality of groups of tool clamps.

Wherein, the tooling fixture on the object detection table is driven by one set of power device of the detection table or a plurality of sets of power devices.

Wherein, four groups of tool clamps on the object detection table are connected by belt transmission, or by gear and rack transmission, or by gear transmission.

The utility model discloses owing to take above technical scheme, fundamentally has solved the various drawbacks of traditional manual film of clapping, changes into automated inspection from traditional manual inspection, has not only improved detection production efficiency greatly, has widened detection range moreover, owing to adopt automatic remote control, has reduced X ray to personnel's protection harm, has replaced the film by automatic image computer storage, and environmental protection is more economical more, is suitable for extensive popularization.

Drawings

FIG. 1: the utility model discloses a front view

FIG. 2: the utility model discloses a left side view

FIG. 3: figure 1 shows a top view of the carriage

FIG. 4: front view of the vehicle in fig. 1

FIG. 5: front view of the object detection table in FIG. 1

FIG. 6: top view of the object detection table in fig. 1

FIG. 7: FIG. 1 is a front view of an accelerator lifter

FIG. 8: left side view of accelerator lifting device in fig. 1

FIG. 9: FIG. 1 is a front view of a linear array elevating device

FIG. 10: fig. 1 is a left side view of the linear array elevating device.

In the figure: 1. the device comprises a walking vehicle, 2, an object detection platform, 3, an accelerator lifting device, 4, a linear lifting device, 101, a vehicle body, 102, wheels, 103, bearings, 104, bearing seats, 105, a driving shaft, 106, a driven shaft, 107, a first speed reducer, 108, a first servo motor, 109, a driving gear, 110, a driven gear, 111, a detection platform power device, 201, a frame, 202, a driven wheel, 203, a synchronous belt, 204, a belt wheel, 205, a positioning disc, 206, a rotary bearing, 207, a tooling fixture, 301, a first linear unit, 302, an accelerator carriage, 303, an accelerator, 304, a first coupling, 305, a second speed reducer, 306, a second servo motor, 307, a first steel wire rope, 308, a first rope wheel seat, 309, a first counterweight, 310, a first vertical frame, 311, a first lead screw, 312, a first optical lever, 401, a second linear unit, 402, a lifting carriage, 403, a linear array, 404, a second coupling, 405, a third speed reducer 406, a third servo motor 407, a second steel wire rope 408, a second rope wheel seat 409, a second counterweight 410, a second vertical frame 411, a second screw rod 412 and a second polished rod.

Detailed Description

As shown in fig. 1-10, an accelerator digital imaging device applied to nondestructive testing of large castings comprises a walking vehicle 1, an object detection table 2, an accelerator lifting device 3, and a linear array lifting device 4, wherein the object detection table 2 with a plurality of clamped workpieces is installed above the walking vehicle 1, the walking vehicle 1 is placed on a ground pre-buried steel rail through wheels 102, and enters and exits a detection chamber through the walking mode of the walking vehicle 1, the accelerator lifting device 3 and the linear array lifting device 4 are respectively fixed on the ground of the detection chamber and oppositely stand at two sides of the walking vehicle 1;

the traveling vehicle 1 includes: the device comprises a vehicle body 101, wheels 102, a bearing 103, a bearing seat 104, a driving shaft 105, a driven shaft 106, a first speed reducer 107, a first servo motor 108, a driving gear 109, a driven gear 110 and a power device 111 of a detection table; the bearing 103 is arranged in a bearing seat 104, the bearing seat 104 is symmetrically distributed on two sides of the vehicle body, a driving gear 109 is arranged on a first speed reducer 107 provided with a first servo motor 108, two driven gears 110 are respectively arranged on a driving shaft 105, and the driving gear 109 is simultaneously meshed with the two driven gears 110;

the object detecting table 2 includes: the device comprises a frame 201, a driven wheel 202, a synchronous belt 203, a belt wheel 204, a positioning disc 205, a rotary bearing 206 and a tooling fixture 207; the positioning disc 205 is arranged at one end of the frame 201 and is close to the bottom of the frame 201 and connected with a positioning rod on the body 101 of the walking vehicle 1, the belt wheel 204 and the tooling fixture 207 are arranged on the rotary bearings 206 and connected with the rotary bearings 206 through the synchronous belt 203, the driven wheel 202 is fixed on one belt wheel 204, the object carrying detection platform 2 is arranged above the walking vehicle 1 and is meshed with the detection platform power device 111 to complete power output;

the accelerator lifting device 3 includes: the device comprises a linear unit I301, an accelerator carriage 302, an accelerator 303, a coupling I304, a speed reducer II 305, a servo motor II 306, a steel wire rope I307, a rope pulley seat I308, a counterweight I309, a vertical frame I310, a lead screw I311 and a polished rod I312; the first vertical frame 310 is used as a bearing carrier and fixed on the ground, the first linear unit 301, the first feed bar 312 and the first rope wheel seat 308 are fixed on the first vertical frame 310, the accelerator 303 is mounted on the accelerator carriage 302, the accelerator carriage 302 is fixed on the first linear unit 301 and connected with the first lead screw 311, the second servo motor 306 is fixedly connected with the second speed reducer 305, the second speed reducer 305 is fixedly connected with the first lead screw 311 through the first coupler 304, the accelerator carriage 302 and the first counterweight 309 are respectively fixed at two ends of the first steel wire rope 307, and the first counterweight 309 is lifted in the first vertical frame 310 by taking the first feed bar 312 as a linear guide system;

the linear array lifting device 4 includes: a second linear unit 401, a lifting carriage 402, a linear array 403, a second coupling 404, a third speed reducer 405, a third servo motor 406, a second steel wire rope 407, a second rope wheel seat 408, a second counterweight 409, a second vertical frame 410, a second lead screw 411 and a second feed rod 412. The second vertical frame 410 is used as a bearing carrier and fixed on the ground, the second linear unit 401, the second feed bar 412 and the second rope wheel seat 408 are fixed on the second vertical frame 410, the linear array 403 is installed on the lifting carriage 402, the lifting carriage 402 is fixed on the second linear unit 401 and connected with the second lead screw 411, the third servo motor 406 is fixedly connected with the third speed reducer 405, the third speed reducer 405 is fixedly connected with the second lead screw 411 through the second coupler 404, the lifting carriage 402 and the second counterweight 409 are respectively fixed at two ends of the second steel wire rope 407, and the second counterweight 409 is lifted in the second vertical frame 410 by using the second feed bar 412 as a linear guide system.

The application method of the object detection table 2 comprises the following steps: the walking vehicle 1 is used as a carrier and connected with the object detection platform 2, the walking vehicle is sent into a detection chamber to complete digital imaging detection, the walking vehicle 1 is provided with a positioning rod and a detection platform power device 111, the object detection platform 2 is provided with a positioning disc 205 and a driven wheel 202, the walking vehicle is controlled to lift the object detection platform 2, the object detection platform 2 slowly falls on the walking vehicle 1 after the positioning disc 205 is in butt joint with the positioning rod by moving the object detection platform 2, at the moment, the driven wheel 202 of the object detection platform 2 is meshed with the detection platform power device 111 of the walking vehicle 1, and the detection platform power device 111 is started to drive four groups of tool fixtures 207 to synchronously rotate for application.

The accelerator digital imaging detection method of the large casting comprises the following steps: an operator puts castings to be detected into the tool fixture 207 one by one and fixes the castings; the second step is that: hoisting the clamped object detection table 2 onto the walking vehicle 1 through a traveling vehicle; the third step: an operator starts the traveling vehicle 1 to enter the detection room through remote operation, and stops the vehicle when the center of the first set of tooling fixture 207 coincides with the beam outlet center of the accelerator 303 and the image acquisition center of the linear array 403 according to the compiled database information; the fourth step: closing the protective door of the detection chamber and opening the ray generator; the fifth step: starting a power device 111 of the detection table to drive four groups of tooling fixtures 207 to synchronously rotate, and synchronously lifting the accelerators 303 and the linear arrays 403 to acquire images of the castings to be detected; and a sixth step: stopping the power device 111 of the detection table after the first casting detection is finished, starting the walking vehicle 1 to walk again, stopping the vehicle when the centers of the second set of tooling fixtures 207, the beam outlet center of the accelerator 303 and the image acquisition center of the linear array 403 coincide, and repeating the fifth step to finish the second casting detection; the seventh step: completing the third and fourth casting detection according to the sixth step; eighth step: after all castings are detected, the accelerator 303 and the linear array 403 are initialized to return to the original point, the ray generator is closed, the protection door of the detection chamber is opened, and the walking vehicle 1 is started to return to the loading position outside the detection chamber; the ninth step: and (4) an operator controls the travelling crane to hoist the object detection table 2 on the travelling vehicle 1 and drop the object detection table 2 to the original position, hoists the other object detection table 2 to drop the object detection table on the travelling vehicle 1, and repeats the steps three to eight to finish detection.

Wherein, the object detection table 2 is provided with four groups of tooling clamps 207, or provided with a group of tooling clamps 207, or provided with a plurality of groups of tooling clamps 207.

Wherein, the tooling fixture 207 on the object detection table 2 is driven by one set of detection table power device 111 or a plurality of sets of power devices.

Wherein, the four groups of tool clamps 207 on the object detection table 2 are connected by belt transmission, or by gear and rack transmission, or by gear transmission.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides an accelerator digital imaging device for large casting nondestructive test which characterized in that: the method comprises the following steps: the device comprises a walking vehicle, an object detection platform, an accelerator lifting device and a linear array lifting device, wherein the object detection platform provided with a plurality of workpieces for clamping is arranged above the walking vehicle, the walking vehicle is placed on a ground pre-embedded steel rail through wheels and enters and exits a detection chamber in a walking mode of the walking vehicle, the accelerator lifting device and the linear array lifting device are respectively fixed on the ground of the detection chamber, and two sides of the walking vehicle are opposite;

2. The accelerator digital imaging device applied to the nondestructive testing of the large castings according to claim 1, wherein: the object detection table is provided with four groups of tool clamps, or a group of tool clamps, or a plurality of groups of tool clamps.

3. The accelerator digital imaging device applied to the nondestructive testing of the large castings according to claim 1, wherein: the tooling fixture on the object detection table is driven by one set of detection table power device or a plurality of sets of power devices.

4. The accelerator digital imaging device applied to the nondestructive testing of the large castings according to claim 1, wherein: four groups of tool clamps on the object detection table are in belt transmission connection, or in gear and rack transmission, or in gear transmission.