CN218885258U

CN218885258U - Boiler pressure detection device

Info

Publication number: CN218885258U
Application number: CN202320178471.6U
Authority: CN
Inventors: 汤宣; 贾熙; 熊治; 赵伟; 张文品
Original assignee: CHONGQING SPECIAL EQUIPMENT INSPECTION AND RESEARCH INSTITUTE
Current assignee: CHONGQING SPECIAL EQUIPMENT INSPECTION AND RESEARCH INSTITUTE
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-04-18
Anticipated expiration: 2033-02-10

Abstract

The utility model belongs to the technical field of pressure detection, and discloses a boiler pressure detection device, which comprises a detection main body, wherein the detection main body is indirectly connected with a boiler through a plugging mechanism; the plugging mechanism comprises an upper pressure plate and a lower pressure plate which are matched up and down, and a valve core which is positioned between the upper pressure plate and the lower pressure plate and used for adjusting whether a channel is opened; the upper pressure plate is provided with an upper hemispherical cavity and a semi-cylindrical upper rod way which is horizontally and radially communicated with the upper hemispherical cavity, and the upper rod way is provided with an upper semi-circular ring; the lower pressing plate is provided with a lower hemispherical cavity and a semi-cylindrical lower rod way which is horizontally and radially communicated with the lower hemispherical cavity, and the lower rod way is provided with a lower semicircular ring; the upper hemispherical cavity and the lower hemispherical cavity surround to form a complete spherical cavity, the upper rod way and the lower rod way surround to form a complete cylindrical cavity, and the upper semicircular ring and the lower semicircular ring surround to form a complete limiting ring; the valve core is provided with a ball valve matched with the ball cavity and a rotating rod horizontally and transversely connected with the ball valve, and the ball valve is radially provided with air holes penetrating to two ends.

Description

Boiler pressure detection device

Technical Field

The utility model belongs to the technical field of pressure detection, concretely relates to boiler pressure detection device.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the boiler is a device for heating working medium water or other fluids to certain parameters by using the heat energy released by fuel combustion or other heat energy, and the boiler can be divided into the following steps according to different purposes: utility boilers, industrial boilers, domestic boilers, special boilers, and the like.

In the daily operation process of the boiler, whether the pressure of the boiler exceeds the standard or not needs to be constantly detected through the pressure detection device, so that faults are timely found and solved, and the influence on normal production and the damage to the boiler are avoided. Boiler pressure measurement generally switches on with the boiler, when boiler pressure measurement need dismantle the maintenance, the boiler directly exposes in external environment with pressure measurement's connection hole site, and inside debris directly got into the boiler through connecting the hole site easily, caused a series of troubles.

SUMMERY OF THE UTILITY MODEL

To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a boiler pressure detection device.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a boiler pressure detection device comprises a detection main body, wherein the detection main body is indirectly connected with a boiler through a plugging mechanism;

the plugging mechanism comprises an upper pressure plate and a lower pressure plate which are matched up and down, and a valve core which is positioned between the upper pressure plate and the lower pressure plate and used for adjusting whether a channel is opened or not;

the upper pressure plate is provided with an upper hemispherical cavity and a semi-cylindrical upper rod way which is horizontally and radially communicated with the upper hemispherical cavity, and the upper rod way is provided with an upper semi-circular ring;

the lower pressing plate is provided with a lower hemispherical cavity and a semi-cylindrical lower rod way which is horizontally and radially communicated with the lower hemispherical cavity, and the lower rod way is provided with a lower semicircular ring;

the upper hemispherical cavity and the lower hemispherical cavity surround to form a complete spherical cavity, the upper rod way and the lower rod way surround to form a complete cylindrical cavity, and the upper semicircular ring and the lower semicircular ring surround to form a complete limiting ring;

the valve core is provided with a ball valve matched with the ball cavity, a rotating rod horizontally and transversely connected with the ball valve and a rotating handle positioned at the end part of the rotating rod, the ball valve is radially provided with air holes penetrating to two ends, one end of the rotating rod, which is close to the ball valve, is a cylindrical section matched with the cylindrical cavity, one end of the rotating rod, which is close to the rotating handle, is a square section, and the cylindrical section is provided with a limiting groove matched with the limiting ring.

The detection main body is connected with the plugging mechanism through threads with positive rotation directions, and the plugging mechanism is connected with the boiler through threads with negative rotation directions.

Further inject, the lower part of detecting the main part is equipped with first external screw thread pipe, the upper portion of top board is equipped with the first internal thread pipe with first external screw thread pipe adaptation, the lower part of holding down plate is equipped with the second external screw thread pipe opposite with first external screw thread pipe screw thread direction of rotation, first internal thread pipe and episphere chamber switch-on, second external screw thread pipe and lower hemisphere chamber switch-on, such structural design realizes being connected of detecting main part and top board through being connected of first external screw thread pipe and first internal screw thread pipe, realizes being connected of holding down plate and boiler through second external screw thread pipe, finally forms by the boiler to the complete passageway that detects the main part.

Further inject, the both sides of detecting the main part are equipped with the handle, and such structural design can be through the handle convenient rotation detection main part when the dismouting.

Further inject, the outer lane bottom of top board is equipped with the shirt rim, the outer lane upper portion of holding down plate is equipped with down the shirt rim, top rim and lower shirt rim are equipped with the through-hole, top board and holding down plate realize bolted connection through the through-hole on top rim and the lower shirt rim, such structural design realizes the bolted connection of top board and holding down plate through the through-hole on top rim and the lower shirt rim.

Further inject, the one end that the top board outside is close to the upper boom way is equipped with the extension board, the vertical downward threaded connection check lock lever of extension board, the square section of check lock lever downwardly pointing to the bull stick, such structural design, the check lock lever is through the screw precession downwards to the square section of round stick is held up, the gesture of fixed bull stick, and the gas pocket of final assurance ball valve is in correct position.

The utility model has the advantages that: when the detection main body needs to be taken down for maintenance, the plugging mechanism keeps connection with the boiler, and a channel in the plugging mechanism is closed through the valve core, so that the situation that sundries enter the boiler through the connecting hole position to cause boiler failure or potential safety hazards in production is avoided.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural diagram of an embodiment of a boiler pressure detection device according to the present invention;

fig. 2 is a schematic structural diagram of a detection main body in an embodiment of the boiler pressure detection apparatus of the present invention;

fig. 3 is a schematic structural diagram of an upper platen in an embodiment of a boiler pressure detection apparatus according to the present invention;

fig. 4 is a schematic structural view of a lower platen in an embodiment of the boiler pressure detecting apparatus of the present invention;

fig. 5 is a schematic structural diagram of a valve element in an embodiment of the boiler pressure detection apparatus of the present invention;

the main element symbols are as follows:

1. detecting a subject; 11. a handle; 12. a first externally threaded tube;

2. an upper pressure plate; 21. a first internally threaded tube; 22. an upper hemispherical cavity; 23. putting the pole on the pole; 24. an upper semicircular ring; 25. a support plate; 26. an upper skirt edge;

3. a lower pressing plate; 31. a second externally threaded pipe; 32. a lower hemispherical cavity; 33. a lower skirt edge; 34. a rod descending channel; 35. a lower semicircular ring;

4. a valve core; 41. a ball valve; 42. air holes; 43. a rotating rod; 431. a square section; 432. a cylindrical section; 433. a limiting groove; 44. rotating a handle;

5. a locking lever.

Detailed Description

In order to make the technical solution of the present invention better understood, the following description is provided for the purpose of illustrating the present invention with reference to the accompanying drawings and embodiments.

As shown in fig. 1-5, the boiler pressure detecting device of the present invention comprises a detecting main body 1, wherein the detecting main body 1 is indirectly connected with a boiler through a plugging mechanism;

the plugging mechanism comprises an upper pressure plate 2 and a lower pressure plate 3 which are matched up and down, and a valve core 4 which is positioned between the upper pressure plate 2 and the lower pressure plate 3 and used for adjusting whether a channel is opened or not;

the upper pressure plate 2 is provided with an upper hemispherical cavity 22 and a semi-cylindrical upper rod way 23 communicated with the upper hemispherical cavity 22 in a horizontal and radial direction, and the upper rod way 23 is provided with an upper semi-circular ring 24;

the lower pressing plate 3 is provided with a lower hemispherical cavity 32 and a semi-cylindrical lower rod way 34 which is horizontally and radially communicated with the lower hemispherical cavity 32, and the lower rod way 34 is provided with a lower semicircular ring 35;

the upper hemispherical cavity 22 and the lower hemispherical cavity 32 surround to form a complete spherical cavity, the upper rod way 23 and the lower rod way 34 surround to form a complete cylindrical cavity, and the upper semicircular ring 24 and the lower semicircular ring 35 surround to form a complete limit ring;

the valve core 4 is provided with a ball valve 41 matched with the ball cavity, a rotating rod 43 horizontally and transversely connected with the ball valve 41 and a rotating handle 44 positioned at the end part of the rotating rod 43, the ball valve 41 is radially provided with air holes 42 penetrating to two ends, one end of the rotating rod 43 close to the ball valve 41 is a cylindrical section 432 matched with the cylindrical cavity, one end of the rotating rod 43 close to the rotating handle 44 is a square section 431, and the cylindrical section 432 is provided with a limit groove 433 matched with a limit ring.

In the embodiment, when the detection main body 1 needs to be taken down for maintenance, the plugging mechanism keeps connection with the boiler, and a channel in the plugging mechanism is closed through the valve core 4, so that sundries are prevented from entering the boiler through a connection hole;

specifically, the worker rotates the rotating rod 43 through the rotating handle 44 exposed at the outer end, so that the posture of the ball valve 41 is changed, the air hole 42 of the ball valve 41 does not communicate the upper pressing plate 2 with the lower pressing plate 3 any more, impurities are prevented from entering a connecting hole of a boiler, when the rotating handle 44 keeps a vertical posture, the air hole 42 of the ball valve 41 is in a vertical posture, the plugging mechanism is in a communicated state at the moment, when the rotating handle 44 is twisted, the ball valve 41 is twisted together with the rotating handle to cause the position change of the air hole 42, the worker can know whether the plugging mechanism is communicated through the posture of the rotating handle 44, and the limiting groove 433 is matched with the limiting ring, so that the valve core 4 can only rotate and does not move axially;

during normal operation, gas in the boiler enters the plugging mechanism through the connecting hole, enters the air hole 42 of the ball valve 41 from the lower end of the lower pressing plate 3, and then enters the detection main body 1 through the upper end of the upper pressing plate 2, so that the detection main body 1 can detect the value of the air pressure in the boiler.

Preferably, the detection main body 1 is connected with the plugging mechanism through a screw thread with a positive rotation direction, and the plugging mechanism is connected with the boiler through a screw thread with a negative rotation direction. In fact, other connection structures between the detection main body 1 and the plugging mechanism and between the plugging mechanism and the boiler may be specifically considered according to specific situations.

Preferably, the lower part of the detecting body 1 is provided with a first external threaded pipe 12, the upper part of the upper pressing plate 2 is provided with a first internal threaded pipe 21 matched with the first external threaded pipe 12, the lower part of the lower pressing plate 3 is provided with a second external threaded pipe 31 with opposite thread direction to the first external threaded pipe 12, the first internal threaded pipe 21 is communicated with the upper hemispherical cavity 22, and the second external threaded pipe 31 is communicated with the lower hemispherical cavity 32, and the structure design realizes the connection of the detecting body 1 and the upper pressing plate 2 through the connection of the first external threaded pipe 12 and the first internal threaded pipe 21, realizes the connection of the lower pressing plate 3 and the boiler through the second external threaded pipe 31, and finally forms a complete channel from the boiler to the detecting body 1. In fact, other structural shapes of the upper platen 2 and the lower platen 3 may be specifically considered according to specific situations.

Preferably, the detection main body 1 is provided with handles 11 at both sides, and such a structure design can facilitate the rotation of the detection main body 1 when the detection main body 1 is disassembled and assembled through the handles 11. In fact, other structural shapes that facilitate the rotation of the detecting body 1 may also be specifically considered according to the specific circumstances.

Preferably, the upper skirt 26 is arranged at the bottom of the outer ring of the upper pressure plate 2, the lower skirt 33 is arranged at the upper part of the outer ring of the lower pressure plate 3, the upper skirt 26 and the lower skirt 33 are provided with through holes, and the upper pressure plate 2 and the lower pressure plate 3 are connected through the through holes in the upper skirt 26 and the lower skirt 33 by bolts. In fact, other connecting structures between the upper and lower

pressing plates

2 and 3 can be considered according to specific situations.

Preferably, a support plate 25 is arranged at one end, close to the upper rod channel 23, of the outer side of the upper pressure plate 2, the support plate 25 is vertically connected with a locking rod 5 in a downward threaded manner, and the locking rod 5 points downwards to the square section 431 of the rotating rod 43, so that the structural design is that the locking rod 5 is screwed downwards through threads and abuts against the square section 431 of the rotating rod 43, the posture of the rotating rod 43 is fixed, and finally the air hole 42 of the ball valve 41 is ensured to be in a correct position. In fact, other structural shapes for fixing the attitude of the ball valve 41 may be specifically considered according to the specific situation.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A boiler pressure detection device, includes detection main part (1), its characterized in that: the detection main body (1) is indirectly connected with the boiler through a plugging mechanism;

the plugging mechanism comprises an upper pressing plate (2) and a lower pressing plate (3) which are matched up and down, and a valve core (4) which is positioned between the upper pressing plate (2) and the lower pressing plate (3) and used for adjusting whether a channel is opened or not;

the upper pressure plate (2) is provided with an upper hemispherical cavity (22) and a semi-cylindrical upper rod way (23) which is horizontally and radially communicated with the upper hemispherical cavity (22), and the upper rod way (23) is provided with an upper semi-circular ring (24);

the lower pressing plate (3) is provided with a lower hemispherical cavity (32) and a semi-cylindrical lower rod way (34) which is horizontally and radially communicated with the lower hemispherical cavity (32), and the lower rod way (34) is provided with a lower semi-circular ring (35);

the upper hemispherical cavity (22) and the lower hemispherical cavity (32) are encircled to form a complete spherical cavity, the upper rod way (23) and the lower rod way (34) are encircled to form a complete cylindrical cavity, and the upper semicircular ring (24) and the lower semicircular ring (35) are encircled to form a complete limit ring;

the valve core (4) is provided with a ball valve (41) matched with the ball cavity, a rotating rod (43) horizontally and transversely connected with the ball valve (41) and a rotating handle (44) located at the end part of the rotating rod (43), the ball valve (41) is radially provided with air holes (42) penetrating to two ends, one end, close to the ball valve (41), of the rotating rod (43) is a cylindrical section (432) matched with the cylindrical cavity, one end, close to the rotating handle (44), of the rotating rod is a square section (431), and the cylindrical section (432) is provided with a limiting groove (433) matched with the limiting ring.

2. The boiler pressure detecting apparatus according to claim 1, wherein: the detection main body (1) is connected with the plugging mechanism through a screw thread with a positive rotation direction, and the plugging mechanism is connected with the boiler through a screw thread with a negative rotation direction.

3. The boiler pressure detecting apparatus according to claim 2, wherein: the lower part of detecting main part (1) is equipped with first external screw thread pipe (12), the upper portion of top board (2) is equipped with first internal thread pipe (21) with first external screw thread pipe (12) adaptation, the lower part of holding down plate (3) is equipped with and revolves to opposite second external screw thread pipe (31) with first external screw thread pipe (12), first internal thread pipe (21) and episphere chamber (22) switch-on, second external screw thread pipe (31) and lower hemisphere chamber (32) switch-on.

4. A boiler pressure detecting apparatus according to claim 3, wherein: handles (11) are arranged on two sides of the detection main body (1).

5. The boiler pressure detecting apparatus according to claim 1, wherein: the novel pressure cooker is characterized in that an upper skirt edge (26) is arranged at the bottom of the outer ring of the upper pressure plate (2), a lower skirt edge (33) is arranged on the upper portion of the outer ring of the lower pressure plate (3), through holes are formed in the upper skirt edge (26) and the lower skirt edge (33), and the upper pressure plate (2) and the lower pressure plate (3) are connected through the through holes in the upper skirt edge (26) and the lower skirt edge (33) through bolts.

6. The boiler pressure detecting apparatus according to claim 1, wherein: one end, close to the upper rod channel (23), of the outer side of the upper pressure plate (2) is provided with a support plate (25), the support plate (25) is vertically connected with a locking rod (5) in a downward threaded mode, and the locking rod (5) points to a square section (431) of the rotating rod (43) downwards.