CN212568630U

CN212568630U - Clamp for nondestructive flaw detection

Info

Publication number: CN212568630U
Application number: CN202021328373.9U
Authority: CN
Inventors: 池春莲
Original assignee: Tianjin Day Moist Detection Technology Co ltd
Current assignee: Tianjin Day Moist Detection Technology Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-02-19
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses an anchor clamps for nondestructive inspection, which comprises a carriage body, the automobile body top left and right sides is equipped with adjustable shelf and mount respectively, and the mount middle part runs through the bearing and inserts and be equipped with the driving shaft, the adjustable shelf middle part runs through the bearing and inserts and be equipped with the driven shaft, driving shaft and driven shaft middle part are fixed respectively and have cup jointed initiative rubber cylinder and driven rubber cylinder, connect slide bar bottom fixedly connected with rack, the holding tank inner chamber runs through the bearing activity and inserts and be equipped with the axis of rotation, both sides wall is all fixed the gear that has cup jointed around the axis of rotation, the axis of rotation. This kind of nondestructive test uses anchor clamps, can accurate regulation initiative rubber drum and driven rubber drum's interval through twisting the hand wheel, easy operation is convenient, and the not damaged centre gripping location and the rotation that can realize the pipe fitting are detected a flaw to the centre gripping of the pipe fitting of adaptable different external diameters size are adjusted.

Description

Clamp for nondestructive flaw detection

Technical Field

The utility model relates to the technical field of machinery, specifically be a nondestructive inspection uses anchor clamps.

Background

Ultrasonic nondestructive testing is a common mode in nondestructive testing and is also a common testing means for the welding quality of the welding layer of the electrical contact. When ultrasonic non-destructive inspection is performed, the workpiece to be inspected should be fixed, and the ultrasonic wave should be perpendicularly incident to the surface of the workpiece to be inspected. The ultrasonic nondestructive inspection of the welding line of the pipe workpiece generally adopts a gantry type structure, and comprises a gantry frame, an inspection travelling crane, a welding line inspection device and a parent metal inspection device. Not only the equipment cost is high, but also the use is very inconvenient and the steps are complicated; the conventional roller type clamp has, for example, patent numbers: CN206519876U discloses an ultrasonic wave nondestructive test anchor clamps, though can realize not needing to remove just can realize perpendicular detection of a flaw, set up two dollies and adjust the interval of gyro wheel through the travelling car, it is relatively poor to adjust the accuracy, and the operation is comparatively loaded down with trivial details. Therefore, a nondestructive inspection jig is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nondestructive test uses anchor clamps to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a nondestructive flaw detection clamp comprises a vehicle body, wherein a first chute is formed in the upper end face of the vehicle body, a second chute is communicated with the bottom end of the first chute, a containing groove is formed in the lower side of the second chute, scale marks are arranged on the upper end face of the vehicle body, a movable frame and a fixed frame are respectively arranged on the left side and the right side of the top end of the vehicle body, the bottom end of the fixed frame is fixedly connected to the top end face of the vehicle body, a driving shaft is inserted in the middle of the fixed frame through a bearing, a driven shaft is inserted in the middle of the movable frame through a bearing, a driving rubber roller and a driven rubber roller are respectively and fixedly sleeved on the middle of the driving shaft and the driven shaft, a connecting sliding rod is fixedly connected to the bottom end of the movable frame, a rack is fixedly connected to the bottom end of the connecting sliding rod, the front end of the rotating shaft is sleeved with a hand wheel, and a fastening nut is sleeved on the front side of the rotating shaft in a threaded manner.

Preferably, all fixed mounting in automobile body bottom four corners has the landing leg, and the landing leg bottom all is equipped with the gyro wheel.

Preferably, a pushing handle is fixedly mounted on the side wall of the vehicle body.

Preferably, the width of the first sliding groove is smaller than that of the second sliding groove, the width of the first sliding groove is equal to the outer diameter of the connecting sliding rod, the connecting sliding rod is inserted into the first sliding groove in a penetrating mode, and the length of the first sliding groove is equal to that of the second sliding groove.

Preferably, the cross section of the second sliding groove is in a T shape, the rack is located in the second sliding groove, and the length of the second sliding groove is greater than that of the rack.

Preferably, the holding tank is located second spout middle part, and holding tank top and second spout bottom intercommunication, the gear top exposes holding tank to the second spout in, the gear is connected with the rack toothing.

Preferably, the movable frame and the fixed frame are respectively provided with two symmetrical frames.

Preferably, a motor is fixedly mounted at the bottom end of the vehicle body, a belt pulley is sleeved at the front end of the driving shaft, and an output shaft at the front end of the motor is in transmission connection with the belt pulley of the driving shaft through a belt.

Preferably, the hand wheel and the fastening nut are both located on the front side of the vehicle body.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of nondestructive test uses anchor clamps, can accurate regulation initiative rubber drum and driven rubber drum's interval through twisting the hand wheel, easy operation is convenient, and the not damaged centre gripping location and the rotation that can realize the pipe fitting are detected a flaw to the centre gripping of the pipe fitting of adaptable different external diameters size are adjusted.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic view of a partial structure of the present invention.

In the figure: the automatic lifting device comprises a vehicle body 1, a first sliding chute 11, a second sliding chute 12, a receiving groove 13, supporting legs 2, rollers 21, a pushing handle 3, a motor 4, a fixed frame 5, a driving shaft 51, a belt pulley 511, a driving rubber roller 52, a movable frame 6, a driven shaft 61, a driven rubber roller 62, a hand wheel 7, a gear 71, a rotating shaft 72, a fastening nut 73, a rack 8, a connecting sliding rod 81, a connecting rod 82 and scale marks 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a nondestructive inspection uses anchor clamps, includes automobile body 1, 1 bottom four corners of automobile body equal fixed mounting has

landing leg

2, and 2 bottoms of landing leg all are equipped with gyro wheel 21, gyro wheel 21 is the auto-lock type universal wheel. The side wall of the vehicle body 1 is fixedly provided with a push handle 3, and the vehicle body 1 can be pushed to move through the push handle 3. First spout 11 has been seted up to 1 up end of automobile body, and 11 bottom intercommunications of first spout have second spout 12, second spout 12 downside is opened there is holding tank 13, 1 up end of automobile body is equipped with scale mark 9, and scale mark 9 is located the outside of first spout 11, and first spout 11 and second spout 12 are horizontal spout, 1 top left and right sides of automobile body is equipped with adjustable shelf 6 and mount 5 respectively, two of symmetry around adjustable shelf 6 and the mount 5 all are provided with. The utility model discloses a bicycle driving shaft 51, including mount 5, belt pulley 511, motor 4, external power supply control switch through the wire, starter motor 4 can drive belt pulley 511 through the output shaft and rotate, and then can drive driving shaft 51 and rotate, 5 bottom fixed connections of mount are on 1 top face of automobile body, and 5 middle parts of mount are run through the bearing and are inserted and be equipped with driving shaft 51, 1 bottom fixed mounting of automobile body has motor 4, driving shaft 51 front end has cup jointed belt pulley 511, the output shaft of motor 4 front end passes through the belt and is connected with the belt pulley 511. The middle part of the movable frame 6 is inserted with a driven shaft 61 through a bearing, the middle parts of the driving shaft 51 and the driven shaft 61 are respectively and fixedly sleeved with a driving rubber roller 52 and a driven rubber roller 62, the surfaces of the driving rubber roller 52 and the driven rubber roller 62 are respectively provided with anti-skid lines for increasing the friction force between the driving rubber roller and the surface of the tubular part, so that the tubular part can be driven to rotate through the friction force, the bottom end of the movable frame 6 is fixedly connected with a connecting slide bar 81, the bottom ends of the two movable frames 6 are both connected with the connecting slide bar 81, the bottom end of the connecting slide bar 81 is fixedly connected with a rack 8, the side part of the rack 8 is fixedly connected with a connecting bar 82, the two racks 8 are fixedly connected through the connecting bar 82, the cross section of the rack 8 also forms a T shape, the accommodating groove 13 is positioned in the middle part of the second chute 12, the gear 71 is meshed with the rack 8, and the position of the gear 71 corresponds to the position of the rack 8 up and down. The width of the first sliding chute 11 is smaller than the width of the second sliding chute 12, the width of the first sliding chute 11 is equal to the outer diameter of the connecting sliding rod 81, the connecting sliding rod 81 is inserted into the first sliding chute 11 in a penetrating manner, the length of the first sliding chute 11 is equal to that of the second sliding chute 12, and the connecting sliding rod 81 can slide along the first sliding chute 11. The cross-section of second spout 12 is the T font, rack 8 is located second spout 12, the length of second spout 12 is greater than the length of rack 8, and the upside width of second spout 12 equals with two 8 upper portion outer ends intervals of rack, and 8 upper portion outer ends intervals of rack are greater than 12 downside widths of second spout, and then can ensure rack 8 and vertically have the holding power when arranging in second spout 12 in, and rack 8 transversely can slide along second spout 12. The inner cavity of the accommodating groove 13 is movably inserted with a rotating shaft 72 through a bearing, gears 71 are fixedly sleeved on the front side wall and the rear side wall of the rotating shaft 72, a hand wheel 7 is sleeved at the front end of the rotating shaft 72, a fastening nut 73 is sleeved on the front side of the rotating shaft 72 in a threaded manner, the nut 73 is located in an outer end gap where the accommodating groove 13 is connected with the rotating shaft 72, the rotating shaft 72 can be locked through friction force when the fastening nut 73 is screwed, and the hand wheel 7 and the fastening nut 73 are located on the front side of the vehicle body 1.

The working principle is as follows: firstly, adjusting the distance between the movable frame 6 and the fixed frame 5 according to the outer diameter of a tubular piece to be detected, firstly screwing the fastening nut 73 to be loose, then rotating the hand wheel 7 to drive the gear 71 to rotate through the rotating shaft 72, then driving the rack 8 to move left and right through the gear 71, and linking the movable frame 6 to move left and right, and further accurately adjusting the distance between the driven rubber roller 62 and the driving rubber roller 52 through scale reading of the scale mark 9 passing through when the fixed frame 5 moves; then the starting motor 4 can drive the driving shaft 51 to rotate through the output shaft of the motor 4, and further can drive the driving rubber roller 62 to rotate, when the driving rubber roller 62 rotates, the tubular part between the driving rubber roller 62 and the driven rubber roller 52 can be driven to rotate along with the driving rubber roller by friction force, and further the nondestructive clamping positioning and the rotation adjustment of the tubular part can be realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a non-destructive inspection uses anchor clamps, includes automobile body (1), its characterized in that: the automobile body is characterized in that a first sliding groove (11) is formed in the upper end face of the automobile body (1), the bottom end of the first sliding groove (11) is communicated with a second sliding groove (12), a containing groove (13) is formed in the lower side of the second sliding groove (12), scale marks (9) are arranged on the upper end face of the automobile body (1), movable frames (6) and fixed frames (5) are arranged on the left side and the right side of the top end of the automobile body (1) respectively, the bottom end of each fixed frame (5) is fixedly connected to the top end face of the automobile body (1), a driving shaft (51) is inserted in the middle of each fixed frame (5) through a bearing, a driven shaft (61) is inserted in the middle of each movable frame (6) through a bearing, a driving rubber roller (52) and a driven rubber roller (62) are fixedly sleeved in the middle of each driving shaft (51) and the middle of each driven shaft (61), a sliding, rack (8) lateral part fixedly connected with connecting rod (82), holding tank (13) inner chamber is run through the bearing activity and is inserted and be equipped with axis of rotation (72), both sides wall is all fixed the cup jointing gear (71) around axis of rotation (72), axis of rotation (72) front end has cup jointed hand wheel (7), and axis of rotation (72) front side screw thread has cup jointed fastening nut (73).

2. The jig for nondestructive inspection according to claim 1, characterized in that: the all fixed mounting in automobile body (1) bottom four corners has landing leg (2), and landing leg (2) bottom all is equipped with gyro wheel (21).

3. The jig for nondestructive inspection according to claim 1, characterized in that: the side wall of the vehicle body (1) is fixedly provided with a pushing handle (3).

4. The jig for nondestructive inspection according to claim 1, characterized in that: the width of first spout (11) is less than the width of second spout (12), and the width of first spout (11) equals with the external diameter of connecting slide bar (81), it locates in first spout (11) to connect slide bar (81) to run through, the length of first spout (11) equals with the length of second spout (12).

5. The jig for nondestructive inspection according to claim 1, characterized in that: the cross section of the second sliding groove (12) is T-shaped, the rack (8) is located in the second sliding groove (12), and the length of the second sliding groove (12) is larger than that of the rack (8).

6. The jig for nondestructive inspection according to claim 1, characterized in that: holding tank (13) are located second spout (12) middle part, and holding tank (13) top and second spout (12) bottom intercommunication, gear (71) top exposes holding tank (13) to second spout (12) in, gear (71) and rack (8) meshing are connected.

7. The jig for nondestructive inspection according to claim 1, characterized in that: the movable frame (6) and the fixed frame (5) are both provided with two symmetrical frames.

8. The jig for nondestructive inspection according to claim 1, characterized in that: the automobile body (1) bottom fixed mounting has motor (4), driving shaft (51) front end cover has connect belt pulley (511), the output shaft of motor (4) front end passes through the belt and is connected with belt pulley (511) transmission of driving shaft (51).

9. The jig for nondestructive inspection according to claim 1, characterized in that: the hand wheel (7) and the fastening nut (73) are both positioned on the front side of the vehicle body (1).