CN211997497U - Boiler body water-cooling wall tube replacement conveyer - Google Patents
Boiler body water-cooling wall tube replacement conveyer Download PDFInfo
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- CN211997497U CN211997497U CN202020317664.1U CN202020317664U CN211997497U CN 211997497 U CN211997497 U CN 211997497U CN 202020317664 U CN202020317664 U CN 202020317664U CN 211997497 U CN211997497 U CN 211997497U
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Abstract
The utility model discloses a boiler body water wall tube replacement transportation device, which also comprises a boiler inner temporary platform, wherein the boiler inner temporary platform is parallel and level with the boiler body platform, a manhole is arranged on the furnace wall, and a guide rail which passes through the manhole is arranged on the boiler inner temporary platform and the boiler body platform; the guide rail is provided with a telescopic trolley for transportation. General boiler body platform sets up a plurality ofly according to the boiler body height, sets up the maintenance manhole on every platform, and interim platform adopts the scaffold to build in the boiler, has just so formed a big platform of inside and outside parallel and level, has set up the guide rail, then will treat the bank of tubes of changing and place and inwards transport through the guide rail on flexible dolly, then from changing the point with assembly pulley, nylon rope assistance with the bank of tubes hoist and mount take one's place. Because the tube bank has been carried to the platform, this kind of hoist and mount is ascending, decurrent, still do not need hoist and mount and directly assist the welded, just so safer than the hoist and mount work in boiler bottom originally, and hoist and mount the number of times still less.
Description
Technical Field
The utility model belongs to the technical field of boiler overhaul water-cooling wall tube replacement technique and specifically relates to a boiler body water-cooling wall tube replacement conveyer.
Background
The heated surface of the boiler body of the large thermal generator set is scoured by particles such as smoke and the like in the long-term operation process to cause the thinning of the tube wall, the number of tube replacement needs to be determined through metal detection during the overhaul of the unit, the number of water-cooled wall tube replacement is huge, the tube replacement positions are distributed unevenly, and the tube rows are different in length. The existing pipe replacement technology is that a water wall pipe row needing to be replaced is transported to a pipe replacement position in batches, and then is hoisted in place through a chain hoist, so that a large amount of manpower and material resources are input, the construction efficiency is low, the limitation is high, and the input of related cost and expense cannot be estimated.
In the prior art, the number of aerial work surfaces is relatively large, safety risk factors are large, safety facilities are large in investment, the whole construction period is prolonged, and the production cost investment is increased.
Disclosure of Invention
The utility model discloses be exactly for solving the above-mentioned not enough that prior art exists, a boiler body water-cooling wall tube replacement conveyer is provided, general boiler body platform highly sets up a plurality ofly according to the boiler body, set up the maintenance manhole on every platform, interim platform adopts the scaffold to build in the boiler, just so formed a big platform of inside and outside parallel and level, the guide rail has been set up, then will treat the bank of tubes of changing and place and inwards transport through the guide rail on flexible dolly, then from changing some with the assembly pulley, the nylon rope is supplementary to be taken one's place with bank of tubes hoist. Because the tube bank has been carried to the platform, this kind of hoist and mount is ascending, decurrent, still do not need hoist and mount and directly assist the welded, just so safer than the hoist and mount work in boiler bottom originally, and hoist and mount the number of times still less.
The utility model provides a technical scheme that its technical problem adopted is:
a boiler body water wall tube replacement conveying device comprises a hearth and a furnace wall, wherein a boiler body platform is arranged outside the furnace wall, the boiler body replacement conveying device also comprises an in-boiler temporary platform, the in-boiler temporary platform is flush with the boiler body platform, a manhole is formed in the furnace wall, and guide rails penetrating through the manhole are arranged on the in-boiler temporary platform and the boiler body platform;
the guide rail is provided with a telescopic trolley for transportation.
The telescopic trolley comprises a female trolley and a male trolley, wherein the male trolley is arranged in the female trolley in a sliding manner.
The main vehicle comprises two parallel supporting cylinders, the two parallel supporting cylinders are connected through a supporting cylinder connecting beam, the lower parts of the supporting cylinders are provided with walking wheels, and the walking wheels are matched with guide rails.
The bus comprises two parallel supporting rods, the two parallel supporting rods are respectively arranged on the two parallel supporting cylinders in a sliding mode, the two parallel supporting rods are connected with a beam through the supporting rods, and traveling wheels are arranged on the lower portions of the supporting rods.
The inner sides of the two parallel supporting cylinders are provided with supporting rod connecting beam channels allowing the supporting rod connecting beams to move.
The temporary platform in the boiler is built for a scaffold.
The utility model has the advantages that:
1. general boiler body platform sets up a plurality ofly according to the boiler body height, sets up the maintenance manhole on every platform, and interim platform adopts the scaffold to build in the boiler, has just so formed a big platform of inside and outside parallel and level, has set up the guide rail, then will treat the bank of tubes of changing and place and inwards transport through the guide rail on flexible dolly, then from changing the point with assembly pulley, nylon rope assistance with the bank of tubes hoist and mount take one's place. Because the tube bank has been carried to the platform, this kind of hoist and mount is ascending, decurrent, still do not need hoist and mount and directly assist the welded, just so safer than the hoist and mount work in boiler bottom originally, and hoist and mount the number of times still less.
2. Because the length of the tube bank to be replaced is different, the transportation trolley is set to be in a telescopic state in order to transport the shorter tube bank with high flexibility. The branch lower part of bus sets up one row of walking wheels, and female car lower part is provided with two rows of walking wheels, and is longer at the bank of tubes like this for when the bus stretches out more, one row of walking wheels in the centre plays good supporting role.
3. Because the situation that two parallel supporting rods are unstable can occur when the bus extends out more, a plurality of supporting rod connecting beams are required to be arranged, and the supporting rod connecting beam channels are formed in the inner sides of the supporting cylinders, so that the expansion and the contraction are not interfered and the supporting rods are stable.
Drawings
FIG. 1 is a partial view of the installation of the furnace chamber, furnace wall, boiler body platform, temporary platform in the boiler and guide rails of the present invention;
fig. 2 is a view of the utility model of a telescopic trolley.
In the figure: 1-hearth, 2-furnace wall, 3-boiler body platform, 4-temporary platform in the boiler, 5-guide rail, 6-mother vehicle, 7-bus, 61-branch cylinder, 62-branch cylinder connecting beam, 63-traveling wheel, 64-strut connecting beam channel, 71-strut, 72-strut connecting beam.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figure 1, the boiler body water wall tube replacement conveying device comprises a hearth 1 and a furnace wall 2, wherein a boiler body platform 3 is arranged outside the furnace wall 2, the boiler body replacement conveying device also comprises a boiler inner temporary platform 4, the boiler inner temporary platform 4 is flush with the boiler body platform 3, a manhole is formed in the furnace wall 2, and a guide rail 5 penetrating through the manhole is arranged on the boiler inner temporary platform 4 and the boiler body platform 3; the guide rail 5 is provided with a telescopic trolley for transportation. The temporary platform 4 in the boiler is built for a scaffold.
General boiler body platform 3 sets up a plurality ofly according to the boiler body height, sets up the maintenance manhole on every platform, here we choose for use 12 meters platform department, makes things convenient for the material to transport, and interim platform 4 adopts the scaffold to build in the boiler, has just so formed a big platform of inside and outside parallel and level, has set up guide rail 5, then will treat the bank of tubes of changing and place on flexible dolly through guide rail 5 inward transportation, then from changing some with assembly pulley, nylon rope assistance with the bank of tubes hoist and mount take one's place. Because the tube bank has been carried to the platform, this kind of hoist and mount is ascending, decurrent, still do not need hoist and mount and directly assist the welded, just so safer than the hoist and mount work in boiler bottom originally, and hoist and mount the number of times still less.
The telescopic trolley comprises a female trolley 6 and a male trolley 7, wherein the male trolley 7 is arranged in the female trolley 6 in a sliding manner.
The main vehicle 6 comprises two parallel supporting cylinders 61, the two parallel supporting cylinders 61 are connected through supporting cylinder connecting beams 62, traveling wheels 63 are arranged on the lower portions of the supporting cylinders 61, and the traveling wheels 63 are matched with the guide rails 5. The bus 7 comprises two parallel supporting rods 71, the two parallel supporting rods 71 are respectively arranged on the two parallel supporting cylinders 61 in a sliding mode, the two parallel supporting rods 71 pass through a supporting rod connecting beam 72, and the lower portions of the supporting rods 71 are provided with traveling wheels 63.
As shown in figure 2, the transport trolley is set to be in a telescopic state in order to transport the shorter tube bank with high flexibility due to the different lengths of the tube banks to be replaced. The lower part of the support rod 71 of the bus 7 is provided with one row of walking wheels 63, and the lower part of the mother bus 6 is provided with two rows of walking wheels 63, so that when the pipe row is longer, the bus 7 stretches out more, the middle row of walking wheels 63 play a good supporting role.
The inner sides of the two parallel supporting cylinders 61 are provided with supporting rod connecting beam channels 64 which allow the supporting rod connecting beams 672 to move.
Since the two parallel struts 71 may be unstable when the bus 7 is extended more, a plurality of strut connecting beams 72 are required, and the strut connecting beam passage 64 is formed inside the support tube 61, so that the expansion and contraction are not interfered and the strut stability is achieved.
As also shown in FIG. 2, the strut connecting beams 62 are provided as plate connections that allow the strut connecting beams 64 to pass through.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (6)
1. A boiler body water wall tube replacement conveying device comprises a hearth and a furnace wall, wherein a boiler body platform is arranged outside the furnace wall, and the boiler body water wall tube replacement conveying device is characterized by further comprising an in-boiler temporary platform, the in-boiler temporary platform is flush with the boiler body platform, a manhole is formed in the furnace wall, and guide rails penetrating through the manhole are arranged on the in-boiler temporary platform and the boiler body platform;
the guide rail is provided with a telescopic trolley for transportation.
2. The boiler body water wall tube changing transportation device as claimed in claim 1, wherein the telescopic trolley comprises a mother trolley and a bus, and the bus is slidably arranged in the mother trolley.
3. The boiler body water wall tube replacement transportation device as claimed in claim 2, wherein the main vehicle comprises two parallel support cylinders, the two parallel support cylinders are connected through a support cylinder connecting beam, and the lower parts of the support cylinders are provided with walking wheels which are matched with guide rails.
4. The boiler body water wall tube-changing transportation device as claimed in claim 3, wherein the bus comprises two parallel supporting rods, the two parallel supporting rods are respectively slidably arranged on the two parallel supporting cylinders, the two parallel supporting rods are connected with the beam through the supporting rods, and the traveling wheels are arranged at the lower parts of the supporting rods.
5. The boiler body water wall tube replacement transportation device as recited in claim 4, wherein the two parallel support tubes are each provided with a support rod connecting beam passage allowing the support rod connecting beam to move.
6. The boiler body water wall tube replacement transportation device as recited in claim 1, wherein the temporary platform in the boiler is built by a scaffold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317664.1U CN211997497U (en) | 2020-03-13 | 2020-03-13 | Boiler body water-cooling wall tube replacement conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317664.1U CN211997497U (en) | 2020-03-13 | 2020-03-13 | Boiler body water-cooling wall tube replacement conveyer |
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| CN211997497U true CN211997497U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020317664.1U Active CN211997497U (en) | 2020-03-13 | 2020-03-13 | Boiler body water-cooling wall tube replacement conveyer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176283A (en) * | 2021-04-27 | 2021-07-27 | 盛安建设集团有限公司 | Automatic device for detecting welding seam of boiler tube bank |
| CN114229434A (en) * | 2021-12-29 | 2022-03-25 | 国能(泉州)热电有限公司 | Device is put in to thermal power boiler inspection robot |
-
2020
- 2020-03-13 CN CN202020317664.1U patent/CN211997497U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176283A (en) * | 2021-04-27 | 2021-07-27 | 盛安建设集团有限公司 | Automatic device for detecting welding seam of boiler tube bank |
| CN114229434A (en) * | 2021-12-29 | 2022-03-25 | 国能(泉州)热电有限公司 | Device is put in to thermal power boiler inspection robot |
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