CN212565855U - Boiler manhole door connecting device - Google Patents
Boiler manhole door connecting device Download PDFInfo
- Publication number
- CN212565855U CN212565855U CN202020441608.9U CN202020441608U CN212565855U CN 212565855 U CN212565855 U CN 212565855U CN 202020441608 U CN202020441608 U CN 202020441608U CN 212565855 U CN212565855 U CN 212565855U
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- door plant
- manhole
- connecting rod
- door
- connection
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Abstract
The utility model discloses a boiler manhole door connecting device relates to the boiler and overhauls the field, for the current inconvenient installation of manhole and dismantlement for the boiler among the solution prior art, does not have the problem of better solution to the manhole damage. The improved manhole cover is characterized in that a lower connecting door plate is installed below the upper connecting door plate, a fastening ring is installed outside the upper connecting door plate and the lower connecting door plate, an arc-shaped heat preservation cover is installed on the front end face of the upper connecting door plate, a handle is installed on the front end face of the arc-shaped heat preservation cover, fastening bolts are installed on the upper end face and the lower end face of each connecting flange, a sealing cushion layer is installed between the two connecting flanges, an upper connecting rod is installed on one side of the upper connecting door plate, a lower connecting rod is installed below the upper connecting rod, a connecting shaft is installed inside the upper connecting rod, fasteners are installed on two sides of the upper connecting rod, a manhole pipeline is installed below the connecting flanges, and a fixing sleeve is installed below.
Description
Technical Field
The utility model relates to a boiler overhauls technical field, specifically is a boiler manhole door connecting device.
Background
The manhole is a perforated structure used for people to enter and exit equipment so as to facilitate installation, maintenance and safety inspection, and mainly comprises a short cylinder section (or a short pipe), a flange and a manhole cover with a handle, the number of manholes required to be formed in the pressure container and the minimum size of the manholes are referred to as 'inspection holes' in view of safety inspection, the manhole material comprises carbon steel and stainless steel, and the manholes are divided into normal-pressure manholes and pressure manholes according to the pressure condition; the manholes are divided into round, oval and rectangular according to the shape, and the rectangular manholes are only suitable for normal pressure equipment; the manholes are divided into horizontal and vertical installation manholes according to installation positions; the manhole cover is fixed by a revolving cover and a hanging cover; the manhole is opened at normal speed and at quick speed, and the manhole structure and size are generally standardized and can be selected or designed according to relevant manuals.
The manhole is a safe emergency ventilation device arranged on the top of the storage tank, and is usually matched with a fire preventer and a mechanical breather valve for use, so that the accident caused by damage to the storage tank when the storage tank is suddenly over-pressurized or under vacuum due to accident reasons can be avoided, and the manhole also has a safe fire-retardant function, is a safety device for protecting the storage tank, is particularly suitable for a vault normal-pressure tank which stores materials and is capped by nitrogen, and has the advantages of constant-pressure discharge, constant-pressure suction, flexible opening and closing, safe fire-retardant, compact structure, good sealing performance, safety, reliability and the like, but the existing manhole for the boiler is inconvenient to install and disassemble, and no better solution is provided for manhole damage; therefore, the market urgently needs to develop a boiler manhole door connecting device to help people solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a boiler manhole door connecting device to solve the current inconvenient installation of manhole and dismantlement for the boiler that provides in the above-mentioned background art, damage the problem that does not have better solution to the manhole.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler manhole door connecting device, includes and connects the door plant, on connect the below of door plant and install down and connect the door plant, and on connect the door plant and all install the tight loop with the outside of connecting the door plant down, the tight loop respectively with last door plant of being connected and connect door plant welded connection down, and on connect the preceding terminal surface of door plant and install arc heat preservation lid, arc heat preservation lid and last connection door plant set up structure as an organic whole, and the inside of connecting the door plant down is provided with the manhole opening.
Preferably, the handle is installed to the preceding terminal surface of arc heat preservation lid, and the handle passes through the fixed screw to be connected with arc heat preservation lid, go up the outside of connecting the door plant and connecting the door plant down and all install flange, flange and last connecting the door plant and connect the door plant down and set up structure as an organic whole, and flange's up end and lower terminal surface all install fastening bolt, and install the seal cushion between two flange, two flange pass through seal cushion sealing connection.
Preferably, go up one side of connecting the door plant and install the connecting rod, go up the connecting rod and connect door plant welded connection with last, go up the below of connecting rod and install down the connecting rod, the one end of lower connecting rod with connect door plant welded connection down, the internally mounted of going up the connecting rod has the connecting axle, and the both sides of going up the connecting rod all install the fastener, and the other end of connecting rod extends to the inside and connecting axle rotation of connecting rod down and is connected, and the both ends of connecting axle all pass through fastener and last connecting rod fixed connection.
Preferably, the manhole pipeline is installed to flange's below, and the manhole pipeline sets up structure as an organic whole with lower connection door plant, and the below of manhole pipeline installs fixed sleeve, fixed sleeve and manhole pipeline welded connection, and fixed sleeve's outside is provided with seal ring, and seal ring and fixed sleeve bind to be connected.
Preferably, first mounting panel and second mounting panel are installed to fixed sleeve's one side, and the inside of first mounting panel and second mounting panel all installs fastening screw, and fixed sleeve passes through fastening screw respectively with first mounting panel and second mounting panel fixed connection.
Preferably, be provided with the breach between first mounting panel and the second mounting panel, fixed sleeve's internal surface is provided with thermal-insulated bed course, thermal-insulated bed course and fixed sleeve fixed connection.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can be installed and fixed by the first mounting plate, when the manhole door needs to be installed and fixed, the first mounting plate and the second mounting plate are firstly extended into the boiler, then the fixing sleeve is inserted into the mounting hole of the boiler, the fixing sleeve and the boiler hole are kept sealed by a sealing washer on the outer surface of the fixing sleeve, the first mounting plate and the second mounting plate are fixed with the boiler, the fixing sleeve is fixed with the first mounting plate and the second mounting plate by fastening screws, the manhole door can be installed and fixed conveniently, the process is simple, the use is convenient, when the disassembly is needed, the fastening screw is disassembled firstly, the fixing sleeve is pulled out of the boiler hole, then the first mounting plate and the second mounting plate are disassembled, thereby can conveniently dismantle, be convenient for overhaul manhole door, convenient to use has effectually prolonged manhole door's life.
Drawings
FIG. 1 is a top view of a boiler manhole door connecting device according to the present invention;
FIG. 2 is a side view of a boiler manhole door connecting device of the present invention;
fig. 3 is a bottom view of the manhole door connecting device of the utility model.
In the figure: 1. an upper connecting door plate; 2. a fastening ring; 3. fastening a bolt; 4. an arc-shaped heat preservation cover; 5. an upper connecting rod; 6. a connecting shaft; 7. a fastener; 8. a handle; 9. a first mounting plate; 10. a sealing gasket; 11. fixing the sleeve; 12. a lower connecting rod; 13. a connecting flange; 14. a manhole pipe; 15. fastening screws; 16. a second mounting plate; 17. a notch; 18. a heat insulating cushion layer.
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.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a boiler manhole door connecting device, including last connection door plant 1, the below of connecting door plant 1 on installs down and connects the door plant, and the outside of connecting door plant 1 and connecting the door plant down on all installs tight loop 2, tight loop 2 respectively with last connection door plant 1 with connect door plant welded connection down, and the preceding terminal surface of connecting door plant 1 on installs arc heat preservation lid 4, arc heat preservation lid 4 sets up structure as an organic whole with last connection door plant 1, and the inside of connecting the door plant down is provided with the manhole opening, can make the outside of connecting door plant 1 and connecting the door down through tight loop 2 and remain stable in boiler work, reduce impaired probability.
Further, handle 8 is installed to the preceding terminal surface of arc heat preservation lid 4, handle 8 is connected with arc heat preservation lid 4 through the set screw, go up and connect door plant 1 and connect the outside of door plant down and all install flange 13, flange 13 sets up as an organic whole structure with last connection door plant 1 and lower connection door plant, and flange 13's up end and terminal surface down all install fastening bolt 3, and install the seal cushion between two flange 13, two flange 13 are through seal cushion sealing connection, can make through flange 13 and go up and connect between door plant 1 and the lower connection door plant fixed mutually, and keep encapsulated situation, improve the operating condition of boiler.
Further, go up one side of connecting door plant 1 and install connecting rod 5, go up connecting rod 5 and last connecting door plant 1 welded connection, go up connecting rod 5's below and install down connecting rod 12, the one end of lower connecting rod 12 and lower connecting door plant welded connection, the internally mounted of going up connecting rod 5 has connecting axle 6, and the both sides of going up connecting rod 5 all install fastener 7, and the other end of connecting rod 12 extends to 5 inside and connecting axle 6 rotations of supreme connecting rod down and are connected, and the both ends of connecting axle 6 all through fastener 7 and last connecting rod 5 fixed connection, through dismantling fastening bolt 3, can open and connect door plant 1, thereby inside the entering manhole passageway.
Further, a manhole pipe 14 is installed below the connecting flange 13, the manhole pipe 14 and the lower connecting door panel are integrated, a fixing sleeve 11 is installed below the manhole pipe 14, the fixing sleeve 11 is welded to the manhole pipe 14, a sealing gasket 10 is arranged outside the fixing sleeve 11, the sealing gasket 10 is bonded to the fixing sleeve 11, and the fixing sleeve 11 and the boiler hole are kept sealed through the sealing gasket 10 on the outer surface of the fixing sleeve 11.
Further, first mounting panel 9 and second mounting panel 16 are installed to one side of fixing sleeve 11, and fastening screw 15 is all installed to the inside of first mounting panel 9 and second mounting panel 16, and fixing sleeve 11 passes through fastening screw 15 respectively with first mounting panel 9 and second mounting panel 16 fixed connection, and first mounting panel 9 and second mounting panel 16 are fixed mutually with the boiler.
Further, a gap 17 is formed between the first mounting plate 9 and the second mounting plate 16, a heat insulation cushion layer 18 is arranged on the inner surface of the fixing sleeve 11, the heat insulation cushion layer 18 is fixedly connected with the fixing sleeve 11, and the fixing sleeve 11 is fixed with the first mounting plate 9 and the second mounting plate 16 through fastening screws 15, so that the manhole door can be mounted completely.
The working principle is as follows: when the manhole door is used, the first mounting plate 9 and the second mounting plate 16 are firstly stretched into the boiler, the first mounting plate 9 and the second mounting plate 16 are fixed with the boiler, the fixing sleeve 11 is inserted into the boiler mounting hole, the fixing sleeve 11 and the boiler hole are kept sealed by the sealing gasket 10 on the outer surface of the fixing sleeve 11, the fixing sleeve 11 and the first mounting plate 9 and the second mounting plate 16 are fixed by the fastening screws 15, the manhole door can be completely installed, the upper connecting door panel 1 and the lower connecting door panel can be fixed by the connecting flange 13 and kept in a sealed state, when the manhole door is needed to be used, the upper connecting door panel 1 can be opened by detaching the fastening bolts 3, so that the manhole door enters the manhole channel, when the manhole door is needed to be detached, the fastening screws 15 can be detached firstly, the fixing sleeve 11 is pulled out of the boiler hole, and then the first mounting plate 9 and the second mounting plate 16 are detached, thereby facilitating disassembly.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a boiler manhole door connecting device, includes and connects door plant (1), its characterized in that: the door plate is connected down to the below of going up connection door plant (1) is installed, and goes up and connect door plant (1) and all install tight loop (2) with the outside of connecting the door plant down, tight loop (2) respectively with last connection door plant (1) and connect door plant welded connection down, and the preceding terminal surface of going up connection door plant (1) installs arc heat preservation lid (4), arc heat preservation lid (4) set up to a body structure with last connection door plant (1), and the inside of connecting the door plant down is provided with the manhole opening.
2. The boiler manhole door connecting device of claim 1, wherein: handle (8) are installed to the preceding terminal surface of arc heat preservation lid (4), and handle (8) are connected with arc heat preservation lid (4) through the set screw, go up and connect door plant (1) and connect the outside of door plant down and all install flange (13), flange (13) and last connection door plant (1) and connect the door plant down and set up structure as an organic whole, and fastening bolt (3) are all installed to the up end of flange (13) and terminal surface down, and install the seal cushion between two flange (13), and two flange (13) are through seal cushion sealing connection.
3. The boiler manhole door connecting device of claim 2, wherein: go up one side of connecting door plant (1) and install connecting rod (5), go up connecting rod (5) and last connecting door plant (1) welded connection, connecting rod (12) are installed down to the below of going up connecting rod (5), the one end and the lower door plant welded connection of connecting rod (12) down, the internally mounted of going up connecting rod (5) has connecting axle (6), and the both sides of going up connecting rod (5) all install fastener (7), and the other end of connecting rod (12) extends supreme connecting rod (5) inside and is connected with connecting axle (6) rotation down, and the both ends of connecting axle (6) all through fastener (7) and last connecting rod (5) fixed connection.
4. A boiler manhole door connecting device according to claim 3, wherein: manhole pipeline (14) are installed to the below of flange (13), and manhole pipeline (14) set up structure as an organic whole with lower connection door plant, and fixed sleeve (11) are installed to the below of manhole pipeline (14), and fixed sleeve (11) and manhole pipeline (14) welded connection, and the outside of fixed sleeve (11) is provided with seal ring (10), and seal ring (10) are binded with fixed sleeve (11) and are connected.
5. The boiler manhole door connecting device of claim 4, wherein: first mounting panel (9) and second mounting panel (16) are installed to one side of fixed sleeve (11), and fastening screw (15) are all installed to the inside of first mounting panel (9) and second mounting panel (16), and fixed sleeve (11) through fastening screw (15) respectively with first mounting panel (9) and second mounting panel (16) fixed connection.
6. The boiler manhole door connecting device of claim 5, wherein: be provided with breach (17) between first mounting panel (9) and second mounting panel (16), the internal surface of fixed sleeve (11) is provided with thermal-insulated bed course (18), thermal-insulated bed course (18) and fixed sleeve (11) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020441608.9U CN212565855U (en) | 2020-03-31 | 2020-03-31 | Boiler manhole door connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020441608.9U CN212565855U (en) | 2020-03-31 | 2020-03-31 | Boiler manhole door connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212565855U true CN212565855U (en) | 2021-02-19 |
Family
ID=74615963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020441608.9U Active CN212565855U (en) | 2020-03-31 | 2020-03-31 | Boiler manhole door connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212565855U (en) |
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2020
- 2020-03-31 CN CN202020441608.9U patent/CN212565855U/en active Active
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