CN213354097U

CN213354097U - Boiler pipe inner wall oxide layer nondestructive test device

Info

Publication number: CN213354097U
Application number: CN202021763677.8U
Authority: CN
Inventors: 张建林
Original assignee: Guangdong Electric Boiler And Pressure Vessel Inspection Center Co ltd
Current assignee: Guangdong Electric Boiler And Pressure Vessel Inspection Center Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-06-04
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a boiler pipe inner wall oxide layer nondestructive test device, including the base plate, two risers of base plate upside fixed connection, fixed connection guide bar between the riser, sliding connection slider on the guide bar, the equal square post of fixed connection in slider both sides is equipped with the round hole on the square post, sliding connection round bar in the round hole, and the common fixed connection of two round bar one ends is dull and stereotyped, dull and stereotyped upside fixed connection guide rail, sliding connection movable block on the guide rail, mobile device and clamping device are equipped with on the flat board. The utility model has the advantages that: the utility model provides a boiler pipe inner wall oxide layer nondestructive test device can make test probe move the step automation that detects at boiler pipe outer wall, has removed artifical handheld detecting instrument from, and the step that detects is carried out in the removal of reuse probe to boiler pipe outer wall, only needs operating personnel to operate and observe detecting instrument and can accomplish detection achievement, has also accelerated detection achievement's efficiency in the manpower of saving.

Description

Boiler pipe inner wall oxide layer nondestructive test device

Technical Field

The utility model relates to a boiler pipe inner wall oxide layer detects technical field, especially relates to a boiler pipe inner wall oxide layer nondestructive test device.

Background

At present, in thermal power generating units at home and abroad, the phenomenon that pipes are blocked and burst due to the fact that an oxidation layer is peeled off caused by steam oxidation of the inner wall of a boiler pipe of a high-temperature superheater occurs sometimes, and a nondestructive testing device for the oxidation layer on the inner wall of the boiler pipe can rapidly and effectively detect the peeling and accumulation condition of the oxidation layer inside the boiler pipe by adopting a special testing probe, so that the pipe burst caused by excessive oxidation layer inside the boiler pipe is eliminated. On the other hand, effective data support can be provided for the overall oxidation corrosion state of the heating surface of the boiler tube through the detection of the oxidation layer inside the boiler tube, so that the safety evaluation of the boiler tube is facilitated.

Boiler pipe inner wall oxide layer nondestructive test device is when using, need the handheld detection device of measurement personnel, then reuse test probe reciprocating motion on the boiler pipe outer wall and read effectual data, when the boiler pipe that waits to detect is excessive in quantity, measurement personnel can only hand test device and carry out detection one by one through the probe, long-time use probe removes and operates detection device and can cause a large amount of energy consumption on boiler pipe outer wall, make work efficiency more and more slow, the data that lead to detecting even appear the deviation, and increase measurement personnel then can cause the unnecessary manpower extravagant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a boiler tube inner wall oxide layer nondestructive testing device, thereby solving the problems existing in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a nondestructive testing device for an oxide layer on the inner wall of a boiler tube comprises a base plate, wherein two vertical plates are fixedly connected to the upper side of the base plate, a guide rod is fixedly connected between the two vertical plates, a sliding block is slidably connected onto the guide rod, a threaded rod is rotatably connected between the two vertical plates, a first motor is fixedly connected to one side of each vertical plate, a main shaft of the first motor penetrates through the vertical plates and is fixedly connected with the threaded rod, a first threaded hole is formed in the sliding block, and the threaded rod penetrates through the first threaded hole and is in threaded fit connection with the;

square columns are fixedly connected to two sides of the sliding block, round holes are formed in each square column, round rods are connected in the round holes in a sliding mode, one ends of the two round rods are fixedly connected with a flat plate together, a supporting plate is fixedly connected between the two square columns, an air cylinder is fixedly connected to the upper side of the supporting plate, and a piston rod of the air cylinder is fixedly connected to the lower side of the flat plate;

the upper side of the flat plate is fixedly connected with a guide rail, the guide rail is connected with a moving block in a sliding manner, and the flat plate is provided with a moving device for controlling the moving block to move back and forth along the direction of the guide rail;

the movable block is characterized in that two guide plates arranged in parallel are fixedly connected to one side of the movable block, each guide plate is provided with a guide groove, two guide grooves are in sliding connection with a square block, two sides of the square block are fixedly connected with baffle plates, a spring is fixedly connected between the square block and a sliding block, and a clamping device is mounted on one side of the square block.

Preferably, the moving device comprises two parallel square plates, a lead screw is rotatably connected between the two square plates, one side of each square plate is fixedly connected with a second motor, a main shaft of the second motor penetrates through the square plates and is fixedly connected with the lead screw, a second threaded hole is formed in the moving block, and the lead screw penetrates through the second threaded hole and is in threaded fit connection with the moving block.

Preferably, clamping device includes the fixed plate, fixed plate fixed connection is in square piece one side, two fixed axles of fixed connection on the fixed plate, every all rotate joint splint on the fixed axle, every all be equipped with the torsional spring between splint and the fixed axle.

Preferably, each clamping plate is provided with a clamping groove, and the two clamping grooves are correspondingly arranged.

Preferably, base plate one side fixed connection stand, be equipped with the through-hole on the stand, the through-hole rotates and connects the pole setting, pole setting upper end fixed connection layer board, stand one side is equipped with the third screw hole, third screw hole internal thread fit connecting bolt, the bolt can be through the tight pole setting terminal surface in third screw hole top.

Preferably, the roller is fixedly connected to the lower side of the base plate.

The utility model has the advantages that: the utility model provides a boiler pipe inner wall oxide layer nondestructive test device can make test probe move the step automation that detects at boiler pipe outer wall, has removed artifical handheld detecting instrument from, and the step that detects is carried out in the removal of reuse probe to boiler pipe outer wall, only needs operating personnel to operate and observe detecting instrument and can accomplish detection achievement, has also accelerated detection achievement's efficiency in the manpower of saving.

Drawings

Fig. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an enlarged schematic view of section E of FIG. 1;

fig. 4 is a schematic view of the basic structure of the clamping device of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1-4, the utility model provides a boiler tube inner wall oxide layer nondestructive test device, including square base plate 1, two risers 2 of fixed connection on the base plate 1 upside, fixed connection guide bar 21 between two risers 2, sliding connection slider 22 on the guide bar 21, rotate between two risers 2 and connect threaded rod 23, first motor 24 of fixed connection of riser 2 one side, first motor 24 main shaft passes riser 2 fixed connection threaded rod 23, be equipped with first screw hole on the slider 22, threaded rod 23 passes first screw hole and slider 22 screw-thread fit is connected; the slider 22, which can be activated by the first motor 24, is reciprocally moved in the direction of the guide bar 21.

Square post 3 of the equal fixed connection in slider 22 both sides, all be equipped with the round hole on every square post 3, sliding connection round bar 31 in every round hole, round bar 31 can reciprocate in square post 3 through the round hole, the common fixed connection flat board 32 in upper end of two round bars 31, fixed connection backup pad 33 between two square posts 3, backup pad 33 upside fixed connection cylinder 34, the dull and stereotyped 32 downside of piston rod fixed connection of cylinder 34, cylinder 34 can promote dull and stereotyped 32 along 3 axial reciprocating motion of round bar.

The upper side of the flat plate 32 is fixedly connected with a guide rail 4 which is horizontally arranged, the guide rail 4 is connected with a moving block 41 in a sliding manner, a moving device 5 used for controlling the moving block 41 to reciprocate along the direction of the guide rail 4 is arranged on the flat plate 32, the moving device 5 comprises two square plates 51 which are arranged in parallel, a lead screw 52 is rotatably connected between the two square plates 51, one side of each square plate 51 is fixedly connected with a second motor 53, a main shaft of the second motor 53 penetrates through the square plates 51 and is fixedly connected with the lead screw 52, the moving block 41 is provided with a second threaded hole, and the lead screw 52 penetrates through the. The activation of the second motor 53 enables the moving block 41 to make a reciprocating motion in the horizontal direction along the guide rail 4.

Two guide plates 6 arranged in parallel are fixedly connected to one side of a moving block 41, each guide plate 6 is provided with a guide groove 61, a square block 62 is slidably connected in the two guide grooves 61, two sides of the square block 62 are fixedly connected with baffle plates 63, a spring 64 is fixedly connected between the square block 62 and the moving block 41, the square block 62 can slide between the two guide grooves 61, and the baffle plates 63 at two sides of the square block 62 can limit the moving direction of the square block 62 and can also prevent the square block 62 from sliding out of the guide grooves 61 in the moving process; clamping device 7 is equipped with on square 62 one side, and clamping device 7 includes fixed plate 71, and fixed plate 71 fixed connection is in square 62 one side, two fixed axles 72 of fixed connection on the fixed plate 71, all rotates splice plate 73 on every fixed axle 72, all is equipped with the torsional spring between every splice plate 73 and the fixed axle 72, all is equipped with curved double-layered groove 74 on every splice plate 73, and two double-layered grooves 74 correspond the setting. During free state, two splint 73 are the closed state that steps up under the effort of torsional spring, when needing to detect, open two splint 73 and put into the probe that detects the use between two splint 73, the probe is prior art, no longer give details, then two splint 73 can step up the probe under the effort of torsional spring, when the probe with wait to detect the boiler pipe outer wall contact, fixed connection's spring 64 can give square 62 the removal thrust to boiler pipe outer wall between square 62 and the slider, thereby make the probe that steps up on two splint 73 can paste boiler pipe outer wall always.

One side of the base plate 1 is fixedly connected with an upright post 12, the upright post 12 is provided with a through hole, the through hole is connected with an upright post 13 in a sliding manner, the upper end of the upright post 13 is fixedly connected with a supporting plate 14, one side of the upright post 12 is provided with a third threaded hole, the third threaded hole is internally threaded and is matched with a connecting bolt 15, and the bolt 15 can tightly prop against the end surface of the upright post 13 through; can place the detecting instrument on the layer board 14, make things convenient for the testing personnel to operate, slide from top to bottom in the through-hole that is equipped with on stand 12 through pole setting 13, can make the testing personnel adjust the height of placing the instrument, adjust the back that finishes, rotate bolt 15 and make bolt 15 can through the tight pole setting 13 terminal surface in third screw hole top to fix pole setting 13 in stand 12.

Base plate 1 downside fixed connection gyro wheel 11, gyro wheel 11 are for having the universal wheel of locking function, remove this equipment and lock the universal wheel behind the boiler tube position that waits to detect, make things convenient for subsequent detection work.

During the use, remove this equipment and lock the universal wheel behind the boiler pipe position that waits to detect, start first motor 24 and make the probe that steps up on clamping device 7 can paste on waiting to detect the boiler pipe outer wall, then start second motor 53 and make the probe horizontal migration on the boiler pipe outer wall and survey the data of measuring this boiler pipe, thereby manual handheld detecting instrument has been removed from, the step that the probe removed and detects on the boiler pipe outer wall, only need operating personnel to operate and observe detecting instrument and can accomplish detection achievement, the efficiency of detection achievement has also been accelerated in the manpower that saves.

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 boiler pipe inner wall oxide layer nondestructive test device which characterized in that: the device comprises a substrate (1), wherein two vertical plates (2) are fixedly connected to the upper side of the substrate (1), a guide rod (21) is fixedly connected between the two vertical plates (2), a sliding block (22) is slidably connected onto the guide rod (21), a threaded rod (23) is rotatably connected between the two vertical plates (2), a first motor (24) is fixedly connected to one side of each vertical plate (2), a main shaft of the first motor (24) penetrates through the vertical plates (2) and is fixedly connected with the threaded rod (23), a first threaded hole is formed in the sliding block (22), and the threaded rod (23) penetrates through the first threaded hole and is in threaded fit connection with the sliding block (22);

the two sides of the sliding block (22) are fixedly connected with square columns (3), each square column (3) is provided with a round hole, each round hole is connected with a round rod (31) in a sliding mode, one end of each round rod (31) is fixedly connected with a flat plate (32) together, a supporting plate (33) is fixedly connected between the two square columns (3), the upper side of the supporting plate (33) is fixedly connected with an air cylinder (34), and a piston rod of the air cylinder (34) is fixedly connected with the lower side of the flat plate (32);

the upper side of the flat plate (32) is fixedly connected with a guide rail (4), the guide rail (4) is connected with a moving block (41) in a sliding manner, and the flat plate (32) is provided with a moving device (5) for controlling the moving block (41) to move in a reciprocating manner along the direction of the guide rail (4);

the clamping device is characterized in that two guide plates (6) arranged in parallel are fixedly connected to one side of the moving block (41), a guide groove (61) is formed in each guide plate (6), a square block (62) is slidably connected to the two guide grooves (61), baffle plates (63) are fixedly connected to two sides of the square block (62), a spring (64) is fixedly connected between the square block (62) and the sliding block, and a clamping device (7) is installed on one side of the square block (62).

2. The nondestructive testing device for the oxide layer on the inner wall of the boiler tube as recited in claim 1, wherein: the moving device (5) comprises two parallel square plates (51), a lead screw (52) is rotatably connected between the two square plates (51), one side of each square plate (51) is fixedly connected with a second motor (53), a main shaft of each second motor (53) penetrates through the corresponding square plate (51) and is fixedly connected with the lead screw (52), a second threaded hole is formed in the moving block (41), and the lead screw (52) penetrates through the second threaded hole and is in threaded fit connection with the moving block (41).

3. The nondestructive testing device for the oxide layer on the inner wall of the boiler tube as recited in claim 1, wherein: clamping device (7) are including fixed plate (71), fixed plate (71) fixed connection is in square piece (62) one side, two fixed axles (72) of fixed connection on fixed plate (71), every all rotate on fixed axle (72) and connect splint (73), every all be equipped with the torsional spring between splint (73) and fixed axle (72).

4. The nondestructive testing device for the oxide layer on the inner wall of the boiler tube as recited in claim 3, wherein: each clamping plate (73) is provided with a clamping groove (74), and the two clamping grooves (74) are correspondingly arranged.

5. The nondestructive testing device for the oxide layer on the inner wall of the boiler tube as recited in claim 1, wherein: base plate (1) one side fixed connection stand (12), be equipped with the through-hole on stand (12), the through-hole rotates connects pole setting (13), pole setting (13) upper end fixed connection layer board (14), stand (12) one side is equipped with the third screw hole, third screw hole internal thread fit connecting bolt (15), bolt (15) can be through tight pole setting (13) terminal surface in third screw hole top.

6. The nondestructive testing device for the oxide layer on the inner wall of the boiler tube as recited in claim 1, wherein: the lower side of the base plate (1) is fixedly connected with a roller (11).