CN211086202U

CN211086202U - Probe clamping mechanism of ultrasonic flaw detector

Info

Publication number: CN211086202U
Application number: CN201922033273.7U
Authority: CN
Inventors: 李琦; 姜书坤; 姜志明
Original assignee: Yantai Rensheng Engineering Equipment Co ltd
Current assignee: Shandong Rensheng Construction Group Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-24
Anticipated expiration: 2029-11-21

Abstract

The utility model belongs to the instrument field of detecting a flaw discloses a probe fixture of ultrasonic flaw detector, including shell and instrument stand, fixture is including clamping jaw and the motion pole that sets up in pairs, and the clamping jaw is the C font, including last clamp splice, lower clamp splice and transmission piece, clamp splice one end links to each other with the motion pole is articulated down, and the other end passes through the transmission piece and links to each other with last clamp splice, and the both ends of transmission piece link to each other with last clamp splice and lower clamp splice are articulated respectively, go up and are equipped with the fixed axle of being connected with the shell rotation on clamp splice and the lower clamp splice, and the one end that the transmission piece was kept away from to two last clamp splices forms the centre gripping mouth, and the shell is the T font and wraps the fixture is whole, the shell is kept away from clamping jaw one end and is equipped with the opening, the. The probe clamping mechanism replaces manual operation to hold the instrument while holding the probe, can fix the instrument and clamp the probe simultaneously, and is convenient to operate.

Description

Probe clamping mechanism of ultrasonic flaw detector

Technical Field

The utility model relates to an instrument field of detecting a flaw, in particular to ultrasonic flaw detector's probe fixture.

Background

The ultrasonic flaw detector is a portable industrial nondestructive flaw detector, can quickly, conveniently, nondestructively and accurately detect, position, evaluate and diagnose various defects in a workpiece, and is widely applied to engineering sites.

Chinese patent with the publication number CN206387767U discloses a novel ultrasonic flaw detector, including the ultrasonic flaw detector body, the ultrasonic flaw detector body is including the casing, the inside MCU module that is provided with of casing, a power supply module, the RFID module, network module and probe module, the MCU module is including master control circuit, be provided with the singlechip among the master control circuit, the RFID module is including RFID read-write circuit and set up in the left external antenna of casing, RFID read-write circuit is provided with radio frequency base station chip, the network module is provided with network read-write circuit, network read-write circuit is provided with wireless network card, the probe module is including ultrasonic read-write circuit and set up in the ultrasonic probe of casing upper end. This novel ultrasonic flaw detector simple structure is reasonable, lightly carries, detects the accuracy, easily promotes.

Although the ultrasonic flaw detector is convenient to carry, the probe needs to be manually held in the flaw detection process, a person holds the probe with one hand and holds the instrument with one hand, and the ultrasonic flaw detector needs to be operated with two hands, so that the ultrasonic flaw detector is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ultrasonic flaw detector's probe fixture can fixed instrument and centre gripping probe, convenient operation simultaneously.

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

a probe clamping mechanism of an ultrasonic flaw detector comprises a shell and an instrument support, wherein clamping jaws and moving rods are arranged in the shell, the clamping jaws are arranged in pairs, the clamping jaws are C-shaped and comprise an upper clamping block, a lower clamping block and a transmission block, one end of the lower clamping block is hinged with the moving rods, the other end of the lower clamping block is connected with the upper clamping block through the transmission block, two ends of the transmission block are respectively hinged with the upper clamping block and the lower clamping block, a fixed shaft which is rotatably connected with the shell is arranged on the upper clamping block and the lower clamping block, one ends, far away from the transmission block, of the two upper clamping blocks form clamping ports, the shell is T-shaped and integrally coats the clamping mechanism, an opening is formed in one end, far away from the clamping jaws, of the shell, the moving rods extend out of the opening, the instrument support is connected with the shell, the instrument support comprises a bottom plate and a connecting rod, the bottom plate, one end of the connecting rod is rotatably connected with the bottom plate, and the other end of the connecting rod is connected with the shell through a bolt.

Through adopting above-mentioned technical scheme, fixture passes through the fixed axle to be fixed in the shell, and the drive block setting in fixture's the clamping jaw is between last clamp splice and lower clamp splice, and drive block and last clamp splice are articulated as a whole with clamp splice down, and the clamping jaw is articulated to be cooperated with the motion pole, and the motion pole drives down the clamp splice motion, and the motion of lower clamp splice drives through the drive block and goes up clamp splice simultaneous movement and carry out the centre gripping process, is connected with instrument holder on the shell simultaneously, will detect a flaw the appearance through instrument holder and place. The clamping mechanism can be used for fixing an instrument and clamping a probe, and an operator can use the probe with one hand, so that the operation is convenient.

Furthermore, the claws are covered with anti-skid materials.

Through adopting above-mentioned technical scheme, the antiskid material that the jack catch was covered can prevent the instrument landing of detecting a flaw.

Furthermore, the shell is provided with a connecting rod handle at one end of the opening, one end of the connecting rod handle is rotatably connected with the shell, and the other end of the connecting rod handle is rotatably connected with the end part of the extension rod.

Through adopting above-mentioned technical scheme, the connecting rod handle that the shell tip set up rotates with shell and extension rod respectively to be connected, and the motion of connecting rod handle drives the extension rod motion, conveniently controls the motion of extension rod.

Furthermore, clamping pieces which are rotatably connected are arranged on the end faces of the paired upper clamping blocks, which are opposite to each other.

Through adopting above-mentioned technical scheme, the clamping piece that the end rotation of going up the clamp splice and keeping away from logical groove is connected can rotate at the clamping process, remains throughout with the biggest area of contact of probe, reinforcing centre gripping effect.

Furthermore, the surface of the clamping piece is provided with concave-convex patterns.

Through adopting above-mentioned technical scheme, the concave-convex pattern that the clamping piece surface set up increases the frictional force when clamping piece and probe contact, further strengthens the centre gripping effect.

Furthermore, a spring is arranged below the connecting rod handle of the shell.

Through adopting above-mentioned technical scheme, the spring can help the connecting rod handle to reset rapidly, plays the buffering guard action to the motion of connecting rod handle simultaneously.

Furthermore, a positioning block is arranged on the upper surface of the moving block.

Through adopting above-mentioned technical scheme, the locating piece of contradicting the motion piece upper surface forms spacingly when the probe is placed, conveniently fixes a position the centre gripping.

Furthermore, the side wall of the motion block is provided with a groove, the end part of the lower clamping block is provided with a lug matched with the groove, and the lug extends into the groove.

Through adopting above-mentioned technical scheme, the lug of lower clamp splice tip cooperatees with the recess on the motion piece lateral wall, thereby the motion of motion piece drives the motion of clamp splice down and drives the motion of whole clamping jaw.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the clamping mechanism and the instrument support, when the flaw detector is used, a person can drive the clamping jaw to move for clamping by pressing the connecting rod handle, and meanwhile, the flaw detector is placed in the instrument support, so that the flaw detector can be operated by one hand without holding the instrument by one hand or holding the probe by one hand, and the flaw detector is convenient to use;

2. through the setting of spring on the shell, play the buffering guard action to connecting rod handle action process, let the clamping process accomplish the back clamping jaw simultaneously and can return to the throne fast.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

fig. 2 is an overall sectional view of the chucking mechanism of the embodiment.

In the figure, 1, a housing; 11. a spring; 2. a connecting rod handle; 3. a clamping jaw; 31. an upper clamping block; 311. a clip; 32. a transmission block; 33. a lower clamping block; 331. a bump; 34. a rotating shaft; 35. a fixed shaft; 4. a motion bar; 41. positioning blocks; 42. a moving end; 43. a groove; 5. a probe; 6. a flaw detector; 7. an instrument holder; 71. a base plate; 711. a clamping jaw; 712. a rotating seat; 713. an annular fixed seat; 72. a connecting rod.

Detailed Description

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

A probe clamping mechanism of an ultrasonic flaw detector is shown in figure 1 and comprises a shell 1 and an instrument bracket 7, wherein a pair of clamping jaws 3 and a moving rod 4 are arranged in the shell 1. The shell 1 is T-shaped, and the clamping jaw 3 and the moving rod 4 are wrapped inside. An instrument holder 7 is attached to the housing 1. When detecting a flaw, the flaw detector 6 is placed in the instrument support 7, the probe 5 is clamped by the clamping mechanism, and an operator can operate the flaw detector with one hand.

As shown in fig. 1 and 2, the instrument support 7 is composed of a bottom plate 71 and a connecting rod 72, wherein the bottom plate 71 is provided with three claws 711, the surfaces of the claws 711 are coated with anti-slip materials such as rubber and anti-slip pads, the claws 711 are arranged on the bottom plate 71 in a triangular shape, two claws 711 are arranged on two side surfaces of the bottom plate 71 in a mirror image manner, one claw 711 is arranged on the bottom surface of the bottom plate 71, and the claws 711 and the bottom plate 71 are in threaded connection. The back of the bottom plate 71 is provided with a rotating seat 712, one end of the connecting rod 72 is rotatably connected with the rotating seat 712, and the other end of the connecting rod 72 is bolted on the outer wall of the casing 1 wrapping the moving rod 4 through an annular fixed seat 713.

As shown in fig. 2, the pair of jaws 3 are arranged in mirror image, the motion bar 4 is located between the two jaws 3, and the jaws 3 comprise an upper clamp block 31, a lower clamp block 33 and a drive block 32.

As shown in fig. 2, the upper clamping block 31 is an L-shaped block, which includes a section of horizontally arranged long side and a section of vertically arranged short side, the lower clamping block 33 is a straight-line-shaped, a through groove is opened at the end of the upper clamping block 31 and the end of the lower clamping block 33 far away from the moving block 4 to form a U-shaped end, and the transmission block 32 is placed in the through groove.

As shown in fig. 2, the upper clamping block 31 and the lower clamping block 33 are provided with through holes on two side walls of the through groove, and the transmission block 32 is provided with holes matched with the through holes on the side walls of the through groove of the upper clamping block 31 and the lower clamping block 33. A rotating shaft 34 is arranged to penetrate through the upper clamping block 31 and the transmission block 32, meanwhile, the rotating shaft 34 is arranged to penetrate through the lower clamping block 33 and the transmission block 32, the upper clamping block 31, the transmission block 32 and the lower clamping block 33 are connected together, and a clamping opening is formed at one end, far away from the transmission block 32, of each of the two upper clamping blocks 31.

As shown in fig. 2, a fixing hole is formed in the middle of the end surface of the upper clamping block 31 and the lower clamping block 33, which are provided with through holes, and a fixing shaft 35 is inserted into the fixing hole and rotatably connected with the housing 1, so as to connect the clamping mechanism with the housing 1.

As shown in fig. 2, the end of the moving rod 4 close to the clamping jaw 3 is provided with a cylindrical moving end 42, a circle of groove 43 is formed on the circumferential side wall of the moving end 42, a projection 331 matched with the groove 43 extends from the end of the lower clamping block 33 close to the moving block 4, and the projection 331 is inserted into the groove 43 so that the lower clamping block 33 is abutted against the moving block 4. When the moving block 4 moves linearly in the vertical direction, the lower clamping block 33 is driven to rotate around the fixed shaft 35 so as to drive the transmission block 32 to move, the transmission block 32 drives the upper clamping block 31 to rotate around the fixed shaft, and the upper clamping blocks 31 of the pair of clamping jaws 3 approach and separate from each other due to rotation, so that the clamping and loosening processes are completed.

As shown in fig. 2, the end faces of the paired upper clamping blocks 31 opposite to each other in short edge are provided with fixing seats, the fixing seats are rotatably connected with the clamping pieces 311 in a T shape, concave-convex patterns are arranged on the surfaces of the clamping pieces 311, the clamping pieces 311 can rotate to adjust the angle to ensure the maximum contact area after contacting with the probe 5 in the clamping process, and the concave-convex patterns increase the friction force, so that the clamping effect is enhanced.

As shown in fig. 1 and 2, a positioning block 41 is provided on the upper surface of the moving block 4 to define the placement position of the probe 5. An opening is arranged at one end of the shell 1 far away from the moving block 4, a base is arranged at one end of the shell 1 at the opening, and the moving of the extension rod 42 can drive the moving block 4 to move. The end part of the shell 1 far away from the clamping block is provided with a connecting rod handle 2, the connecting rod handle 2 consists of two rods, the end part of one rod is placed on the end part of the other rod, a through hole 34 is formed in the end part contact surface of the two rods, and a rotating shaft penetrates through the through hole 34 to connect the two rods. The other ends of the two rods, which are far away from the contact surface, are respectively connected with the end part of the extension rod 42 and the base on the shell 1 in a rotating way.

As shown in fig. 1 and 2, a spring 11 is arranged on the housing 1 under the rotating shaft of the two rods of the connecting rod handle 2, and can rebound to help the clamping mechanism return to the original position quickly after clamping is completed, and meanwhile, the spring has a buffer protection effect on the connecting rod handle 2 and the housing 1.

The specific implementation process comprises the following steps: place flaw detector 6 in the instrument stand, flaw detector 6 can not drop in falling into clamping jaw 3. At the same time, the probe 5 is placed between a pair of jaws 3 of the clamping mechanism, and the probe 5 is moved until the probe abuts against a positioning block 41 on the upper surface of the motion block 4. Press the connecting rod handle 2 of 1 tip of shell, the motion of connecting rod handle 2 drives extension rod 42 to keeping away from fixture direction motion, thereby drive motion piece 4 also to keeping away from fixture direction motion, motion piece 4's motion drives and is rotatory rather than a pair of clamp splice 33 mirror image down of complex, drive transmission block 32 upward movement, thereby it is rotatory to drive a pair of clamp splice 31 mirror image of going up, a pair of clamp splice 31 of going up is close to through rotatory each other, it is tight with probe 5 conflict and clamp up to the clamping piece 311 on the clamp splice 31 of going up, accomplish the centre gripping process.

After flaw detection is finished, the connecting rod handle 2 is loosened, the spring 11 can drive the connecting rod handle 2 to rebound, the connecting rod handle 2 moves to drive the extension rod 42 to move towards the direction of the clamping mechanism, so as to drive the moving block 4 to move towards the direction of the clamping mechanism, the moving block 4 moves to drive the pair of lower clamping blocks 33 matched with the moving block to rotate in a mirror image mode, so as to drive the transmission block 32 to move downwards, so as to drive the pair of upper clamping blocks 31 to rotate in a mirror image mode, the pair of upper clamping blocks 31 are mutually far away from each other through rotation, the clamping pieces 311 on the upper clamping blocks 31 are separated from the probe 5, and the probe 5.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an ultrasonic flaw detector's probe fixture, includes shell (1) and instrument stand (7), its characterized in that: the clamping jaw type clamping mechanism is characterized in that a clamping jaw (3) and a moving rod (4) are arranged in the shell (1), the clamping jaw (3) is arranged in pairs, the clamping jaw (3) is C-shaped and comprises an upper clamping block (31), a lower clamping block (33) and a transmission block (32), one end of the lower clamping block (33) is hinged to the moving rod (4), the other end of the lower clamping block (33) is connected with the upper clamping block (31) through the transmission block (32), two ends of the transmission block (32) are hinged to the upper clamping block (31) and the lower clamping block (33) respectively, a fixed shaft (35) rotatably connected with the shell (1) is arranged on the upper clamping block (31) and the lower clamping block (33), one ends, far away from the transmission block (32), of the two upper clamping blocks (31) form a clamping opening, the shell (1) is T-shaped and integrally coats the clamping mechanism, one end, far away from the clamping jaw (3), of the shell (1) is provided with an, the instrument support (7) comprises a bottom plate (71) and a connecting rod (72), wherein clamping jaws (711) are connected to the bottom plate (71) in a threaded mode, the number of the clamping jaws (711) is three, the clamping jaws are arranged in a triangular mode, one end of the connecting rod (72) is rotatably connected with the bottom plate (71), and the other end of the connecting rod is connected with the shell (1) through bolts.

2. The probe holding mechanism of an ultrasonic flaw detector according to claim 1, characterized in that: the clamping jaws (711) are covered with anti-slip materials.

3. The probe holding mechanism of an ultrasonic flaw detector according to claim 1, characterized in that: the connecting rod handle (2) is arranged at one end of the opening of the shell (1), one end of the connecting rod handle (2) is rotatably connected with the shell (1), and the other end of the connecting rod handle is rotatably connected with the end part of the extension rod (42).

4. The probe holding mechanism of an ultrasonic flaw detector according to claim 3, characterized in that: the opposite end surfaces of the paired upper clamping blocks (31) are provided with clamping pieces (311) which are rotatably connected.

5. The probe holding mechanism of an ultrasonic flaw detector according to claim 4, characterized in that: the surface of the clamping piece (311) is provided with concave-convex patterns.

6. The probe holding mechanism of an ultrasonic flaw detector according to claim 3, characterized in that: the shell (1) is provided with a spring (11) below the connecting rod handle (2).

7. The probe holding mechanism of an ultrasonic flaw detector according to claim 1, characterized in that: the upper surface of the motion rod (4) is provided with a positioning block (41).

8. The probe holding mechanism of an ultrasonic flaw detector according to claim 1, characterized in that: the side wall of the hinged position of the moving rod (4) and the lower clamping block is provided with a groove (43), the end part of the lower clamping block (33) is provided with a convex block (331) matched with the groove (43), and the convex block (331) extends into the groove (43).