CN213481373U

CN213481373U - Device for detecting inner and outer surfaces of boiler pressure container

Info

Publication number: CN213481373U
Application number: CN202023089370.7U
Authority: CN
Inventors: 孙磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-06-18
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses an interior outer surface detection device of boiler pressure vessel, including detection device main part, worm, rolling bucket and lifter, servo motor is installed at the top of detection device main part, and servo motor's bottom is connected with the worm to the surface of worm is connected with the rolling bucket through power gear, the bottom of worm is connected with the ratchet through the torsional spring, and the top of ratchet contacts with the inner wall of ratchet to the bottom of ratchet is connected with the driven lever. This outer surface detection device in boiler pressure vessel is provided with test probe in the bottom symmetry of detection device main part, and bracing piece and lifter can go up and down test probe to the inside of pressure vessel main part simultaneously, are favorable to test probe can be the inside and outside of detection pressure vessel main part simultaneously to improve work efficiency, when the lifter goes up and down, can be to the pressure vessel main part of the different degree of depth simultaneously, thereby improve the practicality of detection device main part.

Description

Device for detecting inner and outer surfaces of boiler pressure container

Technical Field

The utility model relates to a boiler technical field specifically is a boiler pressure vessel internal and external surface detection device.

Background

The boiler is an energy conversion equipment, there are chemical energy and electric energy in the fuel to the energy of boiler input, the heat energy that utilizes fuel release heats water or other liquid, the auxiliary assembly that needs when the boiler uses is various simultaneously, wherein just including boiler pressure vessel, in the long-time use of boiler pressure vessel, inside can rust, inside can produce the concave piece simultaneously, can influence the use of device, consequently need interior outer surface detection device of boiler pressure vessel, common interior outer surface detection device of boiler pressure vessel still has following problem in the existing market:

1. when the detection device works, the inside of the pressure container can be detected only after the detection on the outer side of the pressure container is finished, so that the side length of the detection time is long, and the working efficiency is low;

2. the depths of the pressure containers are different, so that the detection device cannot adapt to the pressure containers with different specifications when detecting, the range is not comprehensive enough when detecting, and the detection has the phenomenon of omission.

Aiming at the problems, the device is innovatively designed on the basis of the original device for detecting the inner surface and the outer surface of the furnace pressure container.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interior outer surface detection device of boiler pressure vessel, with solve the interior outer surface detection device of common stove pressure vessel in the existing market that proposes in the above-mentioned background art, at detection device during operation, need detect the pressure vessel outside and finish the back, just can detect its inside, make the time length of side that detects, thereby cause the low of work efficiency comparison, pressure vessel's the degree of depth is different simultaneously, make detection device when examining, can not adapt to the pressure vessel of different specifications, thereby the scope is not comprehensive enough when causing the detection, make the problem that has the appearance of the phenomenon of omission.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an interior outer surface detection device of boiler pressure vessel, includes detection device main part, worm, rolling bucket and lifter, servo motor is installed at the top of detection device main part, and servo motor's bottom is connected with the worm to the surface of worm is connected with the rolling bucket through power gear, the bottom of worm is connected with the ratchet through the torsional spring, and the inner wall of ratchet top and ratchet contacts, and the bottom of ratchet is connected with the driven lever, and the surface of driven lever is connected with the pressure vessel main part through power pulley simultaneously, install the pulling force rope on the rolling bucket, and one side of pulling force rope is connected with the lifter, the bottom of lifter is installed test probe, and the lifter surface is provided with the fixed block to the top of fixed block is connected with the bracing piece through the fixed slot.

Preferably, the servo motor is located outside the detection device main body, the servo motor and the power gear form a meshing structure through the worm, the power gear is symmetrically distributed by taking the worm as a center, and meanwhile the power gear and the winding barrel are integrally connected.

Preferably, the edge of the winding barrel is provided with a round bump, the winding barrel and the lifting rod form a linkage structure through a tension rope, the bottom of the lifting rod is fixedly connected with the detection probes, and the detection probes are symmetrically distributed on two sides of the detection device body.

Preferably, the ratchet wheel is internally provided with obliquely arranged notches at equal angles, the ratchet wheel is internally attached to the ratchet teeth, the bottom of each ratchet tooth forms a rotating structure with the worm through a torsion spring, and the ratchet teeth are distributed on the worm at equal angles.

Preferably, the bottom of the ratchet wheel is provided with a tooth angle, the top of the ratchet wheel and the top of the driven rod are in an engaged structure, the driven rod is in threaded connection with the top of the power pulley, and the bottom of the power pulley is attached to the surface of the pressure container body.

Preferably, the supporting rod and the lifting rod are of a sleeve structure, fixed blocks are distributed on the lifting rod at equal angles, and the lifting rod and the supporting rod form a sliding structure through the fixed blocks and the fixed grooves.

Compared with the prior art, the beneficial effects of the utility model are that: the device for detecting the inner surface and the outer surface of the boiler pressure vessel,

1. the detection probes are symmetrically arranged at the bottom of the detection device main body, and meanwhile, the support rod and the lifting rod can lift the detection probes towards the inside of the pressure container main body, so that the detection probes can simultaneously detect the inner side and the outer side of the pressure container main body, the working efficiency is improved, and meanwhile, when the lifting rod is lifted, the pressure container main body with different depths can be used, and the practicability of the detection device main body is improved;

2. install the power pulley in the bottom of detection device main part, can adjust the distance between the power pulley through servo motor for the power pulley can block at the opening part of pressure vessel main part, can pass through motor control power pulley rotatory removal in the pressure vessel main part after that, makes test probe can rotatory detection pressure vessel main part, is favorable to improving the scope that detects, avoids appearing the phenomenon of omitting when detecting.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the top-view connection structure of the ratchet and the torsion spring of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the downward connection structure of the fixing groove and the fixing block of the present invention;

fig. 5 is a schematic view of the overlooking connection structure of the worm and the power gear of the present invention.

In the figure: 1. a detection device main body; 2. a servo motor; 3. a worm; 4. a power gear; 5. a coiling barrel; 6. a ratchet wheel; 7. a ratchet; 8. a torsion spring; 9. a driven lever; 10. a power pulley; 11. a tension rope; 12. a support bar; 13. fixing grooves; 14. a fixed block; 15. a lifting rod; 16. detecting a probe; 17. a pressure vessel body.

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. 1-5, the present invention provides a technical solution: a device for detecting the inner and outer surfaces of a boiler pressure vessel comprises a detection device body 1, a worm 3, a coiling barrel 5 and a lifting rod 15, wherein the top of the detection device body 1 is provided with a servo motor 2, the bottom of the servo motor 2 is connected with the worm 3, the outer surface of the worm 3 is connected with the winding barrel 5 through the power gear 4, the bottom of the worm 3 is connected with the ratchet 7 through the torsion spring 8, the top of the ratchet 7 is contacted with the inner wall of the ratchet 6, the bottom of the ratchet wheel 6 is connected with a driven rod 9, the surface of the driven rod 9 is connected with a pressure container main body 17 through a power pulley 10, a tension rope 11 is arranged on the winding barrel 5, one side of the tension rope 11 is connected with a lifting rod 15, the bottom of the lifting rod 15 is provided with a detection probe 16, and a fixing block 14 is provided on the surface of the lifting rod 15, and the top of the fixing block 14 is connected with the supporting rod 12 through a fixing groove 13.

The servo motor 2 is located outside the detection device main body 1, the servo motor 2 forms a meshing structure with the power gear 4 through the worm 3, the power gear 4 is symmetrically distributed by taking the worm 3 as a center, and meanwhile, the power gear 4 and the winding barrel 5 are integrally connected, so that the winding barrel 5 can conveniently wind and unwind the tension rope 11.

The edge of winding barrel 5 is provided with circular convex block, and winding barrel 5 constitutes linkage structure through pulling force rope 11 and lifter 15 to the bottom and the 16 fixed connection of detection probe of

lifter

15, 16 symmetric distribution of while detection probe are in the both sides of detection device main part 1, are favorable to detection probe 16 can detect pressure vessel main part 17 inside and outside simultaneously, thereby improve work efficiency.

The inside of ratchet 6 is equalled the angle and is provided with the breach that the slope set up, and the inside and ratchet 7 of ratchet 6 laminate each other to the bottom of ratchet 7 constitutes revolution mechanic through torsional spring 8 and

worm

3, and 7 equal angles of ratchet distribute on worm 3 simultaneously, when being favorable to outside frictional force to be greater than the elasticity effect of torsional spring 8, worm 3 can idle rotation inside ratchet 6.

The bottom of ratchet 6 is provided with the tooth angle, and the top of ratchet 6 and driven lever 9 is the meshing structure to driven lever 9 is threaded connection with power pulley 10 top, and power pulley 10 bottom is laminated each other with pressure vessel main part 17 surface simultaneously, is favorable to power pulley 10 to carry out the block to pressure vessel main part 17 fixedly.

Bracing piece 12 and lifter 15 are sleeve structure, and the equal angular distribution on lifter 15 has fixed block 14, and lifter 15 passes through fixed block 14 and fixed slot 13 and constitutes sliding structure with bracing piece 12, are favorable to bracing piece 12 can not take place to rock when removing, improve stability.

The working principle is as follows: according to fig. 1-5, firstly, a worker needs to place the detection device main body 1 at the opening of the pressure container main body 17, then open the servo motor 2, so that the servo motor 2 drives the worm 3 to rotate clockwise, so that the worm 3 drives the bottom ratchet 7 to be clamped with the ratchet 6, so that the ratchet 7 drives the ratchet 6 to rotate, then the ratchet 6 drives the bottom driven rod 9 to rotate, so that the driven rod 9 and the power pulley 10 do threaded motion, so that the distance between the power pulleys 10 can be adjusted, which is beneficial for fixing the pressure container main body 17 through the power pulley 10, then open the motor, so that the power pulley 10 drives the detection device main body 1 to rotate on the pressure container main body 17, which is beneficial for the detection probe 16 to perform dead-angle-free detection on the pressure container main body 17, and improves the detection range, meanwhile, the detection probes 16 are positioned on the inner side and the outer side of the pressure vessel main body 17, so that the detection probes 16 can detect the inner surface and the outer surface of the pressure vessel main body simultaneously, and the working efficiency is improved;

according to the figures 1-5, when the detection is needed, the servo motor 2 can be rotated counterclockwise, so that the servo motor 2 drives the worm 3 to idle inside the ratchet wheel 6, then the worm 3 drives the power gear 4 to rotate through the worm 3, so that the power gear 4 can drive the winding barrel 5 to rotate, thereby the winding barrel 5 can place the tension rope 11, the lifting rod 15 can descend under the action of gravity, so that the lifting rod 15 can slide inside the supporting rod 12 through the fixing groove 13 and the fixing block 14, the shaking caused by descending of the lifting rod 15 can be avoided, then the lifting rod 15 can drive the detection probe 16 to descend, the detection device body 1 can detect the pressure container bodies 17 with different depths, the practicability of the device can be improved, after the detection is finished, the motor can be turned off, then, the servo motor 2 is rotated clockwise, so that the winding barrel 5 collects the tension rope 11, the detection probe 16 and the lifting rod 15 are reset, and meanwhile, the power pulley 10 is separated from the fixing of the pressure container body 17, so that the whole detection work of the pressure container body 17 is completed, which is the working process of the whole device, and the content which is not described in detail in the specification belongs to the prior art known by the professional in the field.

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 an interior outer surface detection device of boiler pressure vessel, includes detection device main part (1), worm (3), coiling bucket (5) and lifter (15), its characterized in that: the detection device comprises a detection device body (1), a servo motor (2) is installed at the top of the detection device body (1), the bottom of the servo motor (2) is connected with a worm (3), the outer surface of the worm (3) is connected with a winding barrel (5) through a power gear (4), the bottom of the worm (3) is connected with ratchets (7) through torsion springs (8), the top of the ratchets (7) is in contact with the inner wall of a ratchet wheel (6), the bottom of the ratchet wheel (6) is connected with a driven rod (9), the surface of the driven rod (9) is connected with a pressure container body (17) through a power pulley (10), a tension rope (11) is installed on the winding barrel (5), one side of the tension rope (11) is connected with a lifting rod (15), a detection probe (16) is installed at the bottom of the lifting rod (15), and a fixing block (14) is arranged on the surface of the lifting rod (15, and the top of the fixing block (14) is connected with the support rod (12) through a fixing groove (13).

2. The apparatus for detecting the inner and outer surfaces of the pressure vessel of a boiler as set forth in claim 1, wherein: the servo motor (2) is located outside the detection device body (1), the servo motor (2) forms a meshing structure with the power gear (4) through the worm (3), the power gear (4) is symmetrically distributed by taking the worm (3) as a center, and meanwhile the power gear (4) is integrally connected with the winding barrel (5).

3. The apparatus for detecting the inner and outer surfaces of the pressure vessel of a boiler as set forth in claim 1, wherein: the edge of the winding barrel (5) is provided with a round bump, the winding barrel (5) and the lifting rod (15) form a linkage structure through the tension rope (11), the bottom of the lifting rod (15) is fixedly connected with the detection probes (16), and the detection probes (16) are symmetrically distributed on two sides of the detection device main body (1) simultaneously.

4. The apparatus for detecting the inner and outer surfaces of the pressure vessel of a boiler as set forth in claim 1, wherein: the ratchet wheel (6) is internally provided with obliquely arranged notches at equal angles, the ratchet wheel (6) is internally attached to the ratchet (7), the bottom of the ratchet (7) forms a rotating structure with the worm (3) through a torsion spring (8), and the ratchet (7) is distributed on the worm (3) at equal angles.

5. The apparatus for detecting the inner and outer surfaces of the pressure vessel of a boiler as set forth in claim 1, wherein: the bottom of ratchet (6) is provided with the tooth angle, and the top of ratchet (6) and driven lever (9) is the engagement structure to driven lever (9) and power pulley (10) top are threaded connection, and power pulley (10) bottom is laminated with pressure vessel main part (17) surface each other simultaneously.

6. The apparatus for detecting the inner and outer surfaces of the pressure vessel of a boiler as set forth in claim 1, wherein: the support rod (12) and the lifting rod (15) are of a sleeve structure, fixed blocks (14) are distributed on the lifting rod (15) at equal angles, and the lifting rod (15) and the support rod (12) form a sliding structure through the fixed blocks (14) and the fixed grooves (13).