CN219475498U - Ring centering rotating device - Google Patents

Abstract

The utility model discloses a ring centering rotating device, which comprises a base, wherein at least three driving modules which are uniformly distributed in a ring shape and are used for centering, clamping and driving a ring to be detected to horizontally rotate are radially arranged at the edge of the base, and the outer end of one driving module is connected with a motor; the center of the base is provided with a gear transmission mechanism which drives the three driving modules to synchronously act under the driving of the motor; the utility model simultaneously completes the movement and rotation of the ring, ensures the stability of the center of the ring during detection, avoids the influence of external factors, ensures the accuracy of the nondestructive detection result of the ring, and realizes the full-coverage flaw detection of the ring.

Description

Ring centering rotating device

Technical Field

The utility model relates to the technical field of nondestructive inspection, in particular to a ring centering rotating device.

Background

The ring is a form of wrought industrial product, which is a ring object that is exposed to the external forces of the metal parts and becomes a suitable compressive force by the requirement of plastic deformation. The large ring piece formed by the rolling technology has the advantages of compact structure, high strength, good toughness and the like, and has wide application in the fields of offshore wind power, nuclear power, hydroelectric power, petroleum refining, aerospace and the like. However, due to the influence of various problems in the rolling process of the ring, various types of defects can be generated in the rolled ring product, and the quality of the ring product needs to be detected before the ring product is put into production and used.

The existing ring flaw detection equipment detects damage inside a ring by utilizing an ultrasonic equipment to move a probe to contact the surface of the ring, and the method has the defects of larger detection blind area, low detection efficiency and incapability of detecting a clamping area of the ring; the other is that the workbench drives the ring to rotate, the center position of the ring is easy to deviate in the rotating process, the centering and the rotation of the ring cannot be considered at the same time, and the flaw detection result is not accurate enough.

Chinese patent 202111580826.6 discloses a rotary mechanism of lasso, detect station and three base including the lasso, three base is circular distribution in the outside of detecting the station, its structure still includes the slider that can carry out free slip on the base and three driving box of fixing on the base, all be equipped with the drive slider on the driving box and carry out gliding slip driver on the base, be equipped with the fixed plate of being connected with the slider on the slip driver, but be equipped with the fly leaf of elastic activity on one of them fixed plate, all be fixed with the supporting shoe on two other fixed plates, the fly leaf, all be equipped with the centre gripping rotating member of L type on two supporting shoes, the long limit of centre gripping rotating member is equipped with rotatable cylinder, the minor face of centre gripping rotating member is equipped with rotatable axle sleeve, all be equipped with the rotatory driver of driving cylinder and carry out pivoted between supporting shoe and the driving box. The technology ensures that the ferrule always keeps at the same central position in the rotation process, ensures the stability of ferrule detection, but can not ensure that three motors simultaneously drive the sliding blocks to ensure the stability of the center of the ring piece in the operation process because three driving boxes driven by the motors are arranged on the base, and easily generates deviation in the detection process.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the ring centering rotating device, which can simultaneously complete the movement and rotation of the ring, keep the center of the ring at the same position all the time, avoid the influence of external factors, ensure the accuracy of the nondestructive testing result of the ring and realize the full-coverage flaw detection of the ring.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.

The ring centering and rotating device comprises a base, wherein at least three driving modules which are uniformly distributed in a ring shape and are used for centering, clamping and driving a ring to be detected to horizontally rotate are radially arranged at the edge of the base, and the outer end of one driving module is connected with a motor; the center of the base is provided with a gear transmission mechanism which drives the three driving modules to synchronously act under the driving of the motor.

The ring centering rotating device comprises a driving bottom plate, wherein a stepped bracket is arranged at the outer end of the driving bottom plate, a radial moving assembly for controlling the centering movement of the ring is connected below the bracket through a first supporting seat, and a first motor for driving the radial moving assembly to act is arranged at the outer side of the first supporting seat; the upper part of the bracket is connected with a horizontal rotating assembly for driving the ring piece to rotate through a second supporting seat, and the outer side of the second supporting seat is provided with a second motor for driving the horizontal rotating assembly to act.

The ring centering rotating device comprises a gear box, wherein a centering shaft is arranged in the center of the inside of the gear box, and a horizontal transmission gear is respectively arranged at the upper part and the lower part of the centering shaft through a bearing; the horizontal transmission gear is meshed with one vertical driving bevel gear and two vertical driven bevel gears respectively; the vertical drive bevel gear located below is connected with a radial moving assembly shaft connected with a first motor, and the vertical drive bevel gear located above is connected with a horizontal rotating assembly shaft connected with a second motor.

The radial moving assembly comprises a screw rod and a sliding clamping mechanism assembled on the screw rod and used for clamping the ring, the outer end of the screw rod penetrates through the first supporting seat to be connected with the first motor shaft, and the inner end of the screw rod penetrates through the sliding clamping mechanism and then is connected with a vertical driving bevel gear below the gear transmission mechanism through a screw rod connecting shaft.

The ring centering rotating device comprises the sliding clamping mechanism, wherein the sliding clamping mechanism comprises sliding rails which are arranged on two sides of the driving bottom plate in parallel, two sliding blocks are arranged above the sliding rails in a sliding manner, and supporting blocks are arranged above the sliding blocks; a supporting bottom plate is fixedly connected above the supporting blocks on the left side and the right side; and a screw rod connecting plate with a driving nut at the center is arranged below the supporting bottom plate and in the middle of the two supporting blocks.

The ring centering rotating device comprises a hexagonal rod, wherein the outer end of the hexagonal rod penetrates through a second supporting seat to be connected with a second motor shaft, the inner end of the hexagonal rod penetrates through two bearing supports vertically arranged above a supporting bottom plate and then is connected with a vertical driving bevel gear above a gear transmission mechanism through a hexagonal rod connecting shaft, and a deep groove ball bearing which is matched with the hexagonal rod to rotate is arranged at the center of each bearing support; rollers which rotate along with the hexagonal rod and support the ring piece are arranged on the hexagonal rod between the two bearing supports in a penetrating way.

In the ring centering and rotating device, the highest points of the three rollers are at the same height, and the highest points of the rollers are leveled with the top of the gear transmission mechanism.

The ring centering rotating device comprises a sliding clamping mechanism, a supporting block, a supporting bottom plate and a supporting seat, wherein the sliding clamping mechanism comprises a supporting block, a supporting bottom plate and a supporting seat, and is characterized in that the sliding clamping mechanism further comprises a T-shaped connecting plate which is fixed on the outer end surfaces of the supporting block and the supporting bottom plate through a bolt connecting assembly; the lower part of the T-shaped connecting plate is provided with a rectangular through hole for the lead screw and the hexagonal rod to pass through; the inner end surface of the T-shaped connecting plate is horizontally provided with a C-shaped clamping piece which is used for propping against the ring piece, the outer side of the C-shaped clamping piece is provided with a connecting rod with threads, and the connecting rod passes through a through hole at the upper part of the T-shaped connecting plate and is limited by two locking nuts; the middle part of the C-shaped clamping piece is connected with a horizontal rotating roller through a vertical shaft penetrating up and down; and a spring is arranged on the connecting column between the T-shaped connecting plate and the C-shaped clamping piece.

According to the ring centering and rotating device, the horizontal rotating rollers clamped by the three C-shaped clamping pieces are required to be kept at the same height.

By adopting the technical scheme, the utility model has the following technical progress.

The utility model provides the ring centering rotating device, which completes the movement and rotation of the ring, ensures the stability of the center of the ring in the detection process, avoids the influence of external factors, ensures the accuracy of the nondestructive detection result of the ring, and realizes the full-coverage flaw detection of the ring.

Drawings

FIG. 1 is a schematic view of an isometric structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the gear transmission mechanism according to the present utility model;

FIG. 3 is a schematic diagram of a driving module according to the present utility model;

FIG. 4 is a partial schematic view of a slide clamping mechanism according to the present utility model;

fig. 5 is a schematic view of the internal structure of the sliding clamping mechanism according to the present utility model.

Wherein: 1. the drive mechanism comprises a base, 2, a gear transmission mechanism, 21, a gear box, 22, a centering shaft, 23, a horizontal transmission gear, 24, a vertical driving bevel gear, 25, a vertical driven bevel gear, 26, a hexagonal rod connecting shaft, 27, a screw connecting shaft, 3, a driving mechanism, 4, a driving bottom plate, 5, a hexagonal rod, 6, a screw, 7.T type connecting plate, 8, a sliding clamping mechanism, 81, a sliding rail, 82, a supporting block, 83, a supporting bottom plate, 84, a screw connecting plate, 9, a roller, 10, a bearing support, 11, a C type clamping piece, 12, a spring, 13, a locking nut, 14, a bracket, 15, a first supporting seat, 16, a second supporting seat, 17, a first motor and 18, a second motor.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

The utility model provides a ring centering rotary device, as shown in fig. 1 to 5, includes base 1, and the edge radial of base 1 is provided with at least three drive module 3 that become annular evenly to arrange, and the outer end of one of them drive module 3 is connected with the motor, and the center of base 1 is provided with the gear drive mechanism 2 that drives three drive module 3 synchronous action under motor drive.

The driving module 3 for centering clamping and driving the ring to be detected to horizontally rotate comprises a driving bottom plate 4, as shown in fig. 3, a stepped bracket 14 is arranged at the outer end of the driving bottom plate 4, a radial moving component for controlling the ring to move in a centering manner is connected to the lower side of the bracket 14 through a first supporting seat 15, and a first motor 17 for driving the radial moving component to move is arranged on the outer side of the first supporting seat 15.

The upper part of the bracket 14 is connected with a horizontal rotating component for driving the ring member to rotate through a second supporting seat 16, and the outer side of the second supporting seat 16 is connected with a second motor 18 for driving the horizontal rotating component to act.

The gear transmission mechanism 2 includes a gear case 21 including a gear set, a centering shaft 22 is provided at a central position inside the gear case 21, as shown in fig. 2, a horizontal transmission gear 23 is provided at an upper portion and a lower portion of the centering shaft 22 through bearings, respectively, and the horizontal transmission gears 23 at the upper portion and the lower portion are engaged with a vertical drive bevel gear 24 and two vertical driven bevel gears 25, respectively.

The lower vertical drive bevel gear 24 is connected to a radial movement assembly shaft to which the first motor 17 is connected, and the upper vertical drive bevel gear 24 is connected to a horizontal rotation assembly shaft to which the second motor 18 is connected. Under the drive of the motor, the vertical drive bevel gear 24 drives the two vertical driven bevel gears 25 to synchronously move under the drive action of the horizontal drive gear 23.

The radial moving assembly comprises a screw rod 6 and a sliding clamping mechanism 8 which is assembled on the screw rod and used for clamping the ring piece, the outer end of the screw rod 6 penetrates through a first supporting seat 15 to be connected with a first motor shaft, and the inner end of the screw rod 6 penetrates through the sliding clamping mechanism 8 and then is connected with a vertical driving bevel gear 24 below the inner part of the gear transmission mechanism 2 through a screw rod connecting shaft 27.

The sliding clamping mechanism 8 comprises sliding rails 81 which are arranged on two sides of the driving bottom plate 4 in parallel, two sliding blocks are arranged above the sliding rails 81 in a sliding manner, and supporting blocks 82 are arranged above the sliding blocks; the upper parts of the supporting blocks 82 on the left side and the right side are fixedly connected with a supporting bottom plate 83, and a screw rod connecting plate 84 with a driving nut at the center is arranged below the supporting bottom plate 83 and in the middle of the two supporting blocks 82.

When the screw rod 6 is driven to rotate by the first motor 17, the driving nut and the screw rod 6 are matched to move, so that the whole sliding clamping mechanism 8 is driven to move radially.

The horizontal rotating assembly comprises a hexagonal rod 5, the outer end of the hexagonal rod 5 penetrates through a second supporting seat 16 to be connected with a second motor shaft, and the inner end of the hexagonal rod 5 penetrates through two bearing supports 10 vertically arranged above a supporting bottom plate 83 and then is connected with a vertical drive bevel gear 24 above the inside of the gear transmission mechanism 2 through a hexagonal rod connecting shaft 26.

The center of the bearing support 10 is provided with a deep groove ball bearing which is matched with the hexagonal rod to rotate, and a roller 9 which rotates along with the hexagonal rod 5 and supports the ring piece is arranged on the hexagonal rod 5 between the two bearing supports 10 in a penetrating way; the highest points of the three rollers 9 are at the same height, and the highest points of the rollers 9 are leveled with the top of the gear transmission mechanism 2 so as to ensure the stability of the ring during detection.

The outer ends of the supporting blocks 82 and the supporting bottom plate 83 are fixedly connected with a T-shaped connecting plate 7 through a bolt connecting assembly, rectangular through holes for the lead screws 6 and the hexagonal rods 5 to penetrate are formed in the lower portions of the T-shaped connecting plate 7, and C-shaped clamping pieces 11 for propping up the ring pieces are horizontally arranged on the inner end faces of the T-shaped connecting plate 7.

The middle part of the C-shaped clamping piece 11 is connected with a horizontal rotating roller through a vertical shaft penetrating up and down, and the horizontal rotating rollers clamped by the three C-shaped clamping pieces 11 are also required to be kept at the same height; the outside of C type holder 11 is provided with the connecting rod that has the screw thread, and the connecting rod passes behind the through-hole on T type connecting plate 7 upper portion and passes through two lock nut 14 spacing, has guaranteed the stability of C type holder 11.

The spring 12 is arranged on the connecting column between the T-shaped connecting plate 7 and the C-shaped clamping piece 11, so that a certain buffer effect can be ensured when the C-shaped clamping piece is extruded by the ring piece without damaging the C-shaped clamping piece, and meanwhile, the out-of-roundness of the ring piece can be set in a fault-tolerant mode by selecting the springs 12 with different pretightening forces.

The operation method and the working principle of the utility model are as follows:

first, the ring is placed on top of the gear box 21 and the position of the ring is adjusted to be centered.

Then, the first motor 17 is started, the first motor drives the screw rod 6 to start rotating, and the screw rod 6 drives the sliding clamping mechanism 8 and the horizontal rotating assembly to start moving radially under the cooperation of the driving nut; simultaneously, under the influence of the screw rod 6, the vertical driving bevel gear 24 at the lower part of the gear transmission mechanism starts to move, and the horizontal transmission gear 23 meshed with the vertical driving bevel gear 24 drives the two vertical driven bevel gears 25 to act together, so that the other two driving modules are driven to start to move together.

Then, along with the centripetal movement of the driving module 3, the rollers 9 are contacted with the ring and support the ring, and the stability of the ring is ensured under the cooperation of the three rollers 9.

After observing that the horizontal rotating roller clamped by the C-shaped clamping piece 11 is in contact with the side edge of the ring, under the action of the sliding clamping mechanism 8, the centering movement of the ring starts to be adjusted under the cooperation of the three driving mechanisms, so that the center of the ring is consistent with the center of the whole device; because the C-shaped clamping piece 11 is limited by the lock nut 14, when the ring piece extrudes the horizontal rotating roller, the C-shaped clamping piece 11 cannot be greatly displaced and can only be adjusted under the action of the spring 12, so that the center of the ring piece cannot deviate.

Subsequently, the first motor 17 is turned off to stop the radial moving assembly, and the second motor 18 is turned on to drive the hexagonal rod 5 to start rotating and drive the roller 9 to rotate together; also influenced by the hexagonal rod 5, the vertical drive bevel gear 24 at the upper part of the gear transmission mechanism starts to move, and the horizontal transmission gear 23 meshed with the vertical drive bevel gear 24 drives the two vertical driven bevel gears 25 to act together, so that the other two horizontal rotating assemblies are driven to start to rotate together.

Finally, the operator detects the flaw on the surface of the ring through equipment.

In this embodiment, the radial moving assembly and the horizontal rotating assembly of the driving modules 3 are vertically parallel and are disposed in the same vertical plane, so that the included angles between the three driving modules 3 are 120 °.

In order to ensure that the clamping is more stable and the horizontal rotation is more stable, four or even a plurality of driving modules can be arranged, and the n driving modules are uniformly distributed in a ring shape; accordingly, the number of the vertical driven bevel gears 25 in the gear transmission mechanism 2 is set to n-1.

In addition, in the utility model, the radial moving component and the horizontal rotating component of the driving module 3 can be arranged in a staggered way, namely, the supporting bottom plate 83 for bearing the roller 9 in the radial moving component can extend to one side, and the horizontal rotating component can be arranged on the supporting bottom plate 83 through the independently arranged bottom plate, so that the radial moving component and the horizontal rotating component are alternately arranged in an upper horizontal plane and a lower horizontal plane; for example: three radial moving components in the three driving modules 3 are arranged at 0 degree, 120 degrees and 240 degrees, and three horizontal rotating components are arranged at 60 degrees, 180 degrees and 300 degrees.

The utility model provides a ring centering rotating device, which simultaneously completes the movement and rotation of a ring through a gear transmission mechanism, improves centering rotating efficiency, ensures the stability of the center of the ring in the detection process, avoids the influence of external factors, ensures the accuracy of the nondestructive detection result of the ring, and realizes the full-coverage flaw detection of the ring.

Claims (8)

1. The ring centering rotating device comprises a base (1), wherein at least three driving modules (3) which are uniformly distributed in a ring shape and are used for centering, clamping and driving a ring to be detected to horizontally rotate are radially arranged at the edge of the base (1), and the outer end of one driving module (3) is connected with a motor; the method is characterized in that: the center of the base (1) is provided with a gear transmission mechanism (2) which drives three driving modules (3) to synchronously act under the driving of a motor;

the driving module (3) comprises a driving bottom plate (4), a stepped bracket (14) is arranged at the outer end of the driving bottom plate (4), a radial moving assembly for controlling the centering movement of the ring piece is connected below the bracket (14) through a first supporting seat (15), and a first motor (17) for driving the radial moving assembly to act is arranged at the outer side of the first supporting seat (15); the upper part of the bracket (14) is connected with a horizontal rotating assembly for driving the ring piece to rotate through a second supporting seat (16), and a second motor (18) for driving the horizontal rotating assembly to act is arranged on the outer side of the second supporting seat (16).

2. A ring centering and rotating device, as claimed in claim 1, wherein: the gear transmission mechanism (2) comprises a gear box (21), a centering shaft (22) is arranged in the center of the inside of the gear box (21), and a horizontal transmission gear (23) is respectively arranged at the upper part and the lower part of the centering shaft (22) through a bearing; the horizontal transmission gear (23) is respectively meshed with a vertical driving bevel gear (24) and two vertical driven bevel gears (25); the vertical drive bevel gear (24) positioned below is connected with a radial movement assembly shaft connected with a first motor (17), and the vertical drive bevel gear (24) positioned above is connected with a horizontal rotation assembly shaft connected with a second motor (18).

3. A ring centering and rotating device, as claimed in claim 2, wherein: the radial moving assembly comprises a screw rod (6) and a sliding clamping mechanism (8) which is assembled on the screw rod and used for clamping the ring piece, the outer end of the screw rod (6) penetrates through a first supporting seat (15) to be connected with a first motor shaft, and the inner end of the screw rod (6) penetrates through the sliding clamping mechanism (8) and then is connected with a vertical driving bevel gear (24) below the gear transmission mechanism (2) through a screw rod connecting shaft (27).

4. A ring centering and rotating device, as claimed in claim 3, wherein: the sliding clamping mechanism (8) comprises sliding rails (81) which are arranged on two sides of the driving bottom plate (4) in parallel, two sliding blocks are arranged above the sliding rails (81) in a sliding manner, and supporting blocks (82) are arranged above the sliding blocks; a supporting bottom plate (83) is fixedly connected above the supporting blocks (82) on the left side and the right side; a screw rod connecting plate (84) with a driving nut at the center is arranged below the supporting bottom plate (83) and in the middle of the two supporting blocks (82).

5. The ring centering and rotating device as claimed in claim 4, wherein: the horizontal rotating assembly comprises a hexagonal rod (5), the outer end of the hexagonal rod (5) penetrates through a second supporting seat (16) to be connected with a second motor shaft, the inner end of the hexagonal rod (5) penetrates through two bearing supports (10) vertically arranged above a supporting bottom plate (83) and then is connected with a vertical driving bevel gear (24) above a gear transmission mechanism (2) through a hexagonal rod connecting shaft (26), and a deep groove ball bearing which is matched with the hexagonal rod (5) to rotate is arranged in the center of the bearing supports (10); the hexagonal rod (5) arranged between the two bearing supports (10) is penetrated with a roller (9) which rotates along with the hexagonal rod (5) and supports the ring.

6. The ring centering and rotating device of claim 5, wherein: the highest point of the three rollers (9) is at the same height, and the highest point of the rollers (9) is level with the top of the gear transmission mechanism (2).

7. The ring centering and rotating device of claim 5, wherein: the sliding clamping mechanism (8) further comprises a T-shaped connecting plate (7) which is fixed on the outer end surfaces of the supporting block (82) and the supporting bottom plate (83) through a bolt connecting assembly; a rectangular through hole for the lead screw (6) and the hexagonal rod (5) to pass through is formed in the lower part of the T-shaped connecting plate (7); the inner end surface of the T-shaped connecting plate (7) is horizontally provided with a C-shaped clamping piece (11) for propping up the ring piece, the outer side of the C-shaped clamping piece (11) is provided with a connecting rod with threads, and the connecting rod passes through a through hole at the upper part of the T-shaped connecting plate (7) and is limited by two locking nuts (13); the middle part of the C-shaped clamping piece (11) is connected with a horizontal rotating roller through a vertical shaft penetrating up and down; a spring (12) is arranged on a connecting column between the T-shaped connecting plate (7) and the C-shaped clamping piece (11).

8. The ring centering and rotating device of claim 7, wherein: the horizontal rotating rollers clamped by the three C-shaped clamping pieces (11) are required to be kept at the same height.