CN216190299U - Heavy shaft coupling shaft sleeve hot charging device - Google Patents
Heavy shaft coupling shaft sleeve hot charging device Download PDFInfo
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- CN216190299U CN216190299U CN202122236504.1U CN202122236504U CN216190299U CN 216190299 U CN216190299 U CN 216190299U CN 202122236504 U CN202122236504 U CN 202122236504U CN 216190299 U CN216190299 U CN 216190299U
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- shaft sleeve
- integral support
- tray
- hot
- shaft
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Abstract
The utility model aims to provide a heavy shaft coupling shaft sleeve hot-assembling device which comprises an integral support, wherein the integral support is of a square frame type structure, a shaft sleeve tray is arranged in the integral support, the shaft sleeve tray is fixed on a bottom frame of the integral support through angle iron, a carrying base is fixed below the integral support, and a detachable hanging ring is arranged on a top frame of the integral support. The integral support adopts a frame structure, so that on one hand, the shaft sleeve in the hot oven can be ensured to be fully contacted with hot air, the shaft sleeve is heated quickly, and on the other hand, the frame structure enables the device to be lighter in weight and more convenient to transport. The circular arc-shaped shaft sleeve tray and the front end of the integral support are provided with a certain gap, and the external connecting flange of the shaft coupling shaft sleeve can be just clamped into the gap, so that the shaft sleeve cannot move back and forth in the device. When the forklift is transported, the fork card can effectively prevent the side turning of the device in the base. The detachable lifting ring is taken down when the shaft sleeve is hot-assembled, so that the influence of high temperature on the mechanical property of the lifting ring can be prevented.
Description
Technical Field
The utility model relates to a transportation device, in particular to a transportation device in a high-temperature state.
Background
Today, with rapid development in the industrial level, the installation capability of power generation equipment such as gas turbines, generators, steam turbines and the like directly affects the construction cycle of power plants, and therefore, various rapid and reliable installation technologies are required to ensure smooth installation of the equipment. The key groove connection is a common connection mode of rotating equipment and a coupling, and generally adopts interference fit. The interference fit requires that the shaft sleeve of the coupling is heated in advance, so that the fit surface between the shaft sleeve and the shaft is thermally expanded to form a certain gap for installation.
Heavy shaft coupling sleeves of large-scale gas turbines, generators and other equipment are large in size and heavy in weight, and transportation and hoisting cannot be completed manually. The heavy shaft coupling shaft sleeve generally adopts a cylindrical structure, is not provided with a lifting ring and is not easy to hoist, and the temperature of the shaft sleeve is higher during hot-mounting, so that the industrial hanging strip can be burnt out immediately once contacting the high-temperature shaft sleeve. When the heavy coupler shaft sleeve is subjected to hot loading, hot loading work must be completed within a few minutes, the shaft sleeve is slowly contracted when being cooled in the installation process, heating work has to be restarted, and under the more serious condition, the equipment rotor is scrapped due to cooling locking when the shaft sleeve is not completely assembled.
Disclosure of Invention
The utility model aims to provide a heavy coupler shaft sleeve hot-assembling device which is high-temperature resistant, simple in structure and convenient and fast to operate by personnel.
The purpose of the utility model is realized as follows:
the utility model discloses a heavy-duty shaft coupling shaft sleeve hot-assembling device, which is characterized in that: including the monolith support, the monolith support is the frame rack construction of tetragonal body, and the inside axle sleeve tray that sets up of monolith support, axle sleeve tray pass through the angle bar to be fixed on the bottom frame of monolith support, and the below of monolith support is fixed with the transport base, installs detachable rings on the top frame of monolith support.
The present invention may further comprise:
1. the surface of the shaft sleeve tray is in a circular arc shape matched with the shape of the shaft sleeve, and a gap for placing a shaft sleeve connecting flange is reserved between the end part of the shaft sleeve tray and the integral support.
2. The carrying base comprises two channel steels which are respectively positioned on two sides of the whole support, and the channel steels are provided with grooves for carrying fork forks of a forklift.
3. The material of the integral bracket, the shaft sleeve tray and the carrying base is Q355 carbon steel.
The utility model has the advantages that: the integral support adopts a frame structure, the structure has the characteristics of good air circulation and stable structure, on one hand, the shaft sleeve can be ensured to be fully contacted with hot air in the hot oven, the shaft sleeve is heated quickly, and on the other hand, the frame structure enables the device to be lighter in weight and more convenient to transport. The circular arc-shaped shaft sleeve tray and the front end of the integral support are provided with a certain gap, and the external connecting flange of the shaft coupling shaft sleeve can be just clamped into the gap, so that the shaft sleeve cannot move back and forth in the device. When the forklift is transported, the fork card can effectively prevent the side turning of the device in the base. The detachable lifting ring is taken down when the shaft sleeve is hot-assembled, so that the influence of high temperature on the mechanical property of the lifting ring can be prevented.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an overall view of the utility model (with the sleeve suspended from the utility model);
fig. 4 is a state diagram in use of the present invention.
Detailed Description
The utility model will now be described in more detail by way of example with reference to the accompanying drawings in which:
with reference to fig. 1-4, the heavy coupler shaft sleeve hot-assembling device of the utility model comprises an integral bracket 1, a shaft sleeve tray 2, a carrying base 3 and a detachable hanging ring 4. The whole support 1, the shaft sleeve tray 2 and the carrying base 3 are connected together in a welding mode, the detachable lifting ring 4 is fixed to the whole support 1 through a stud and a nut, the whole device is made of carbon steel materials, and the mechanical performance of the device under the high-temperature condition is guaranteed.
The integral support 1 and the carrying base 3 form a square frame, the square frame can bear the weight of a heavy shaft coupling shaft sleeve, and the square frame can be transported by a forklift or a plate trailer, so that the stability of the device in the transportation process is ensured;
the built-in circular arc-shaped shaft sleeve tray 2 is perfectly matched with the outer surface of the shaft sleeve of the coupler, and the flange of the shaft sleeve of the coupler can be just clamped in a gap between the shaft sleeve tray 2 and the front end of the integral support 1, so that the shaft sleeve of the coupler cannot fall off and move back and forth in transportation;
four detachable rings 4 are arranged above the device body, and the shaft coupling shaft sleeve can be directly hoisted by a crane and a guide chain through the rings, so that the direct contact between the hanger and a high-temperature part is prevented.
The whole support 1 adopts an open structure, and a shaft sleeve of the coupling can be assembled and disassembled from the upper part, so that the operation of personnel is facilitated.
The shaft sleeve of the coupling needs to be heated to more than 200 ℃ in a hot oven, and the shaft sleeve is generally of a cylindrical structure with a large volume and is difficult to enter and exit the hot oven. In order to facilitate the storage and the taking of the shaft sleeve in the hot oven, the shaft sleeve hot-mounting device of the shaft coupler needs to be heated together with the shaft sleeve without being taken down in the hot oven, so that the whole structural material adopts Q355 carbon steel, the price is low, the economical efficiency is good, and the structural stability of the device can be ensured at high temperature.
Meanwhile, in order to guarantee the heating effect of the shaft sleeve in the hot oven, the integral support 1 adopts a frame structure, the structure has the characteristics of good air circulation and stable structure, on one hand, the shaft sleeve can be guaranteed to be fully contacted with hot air in the hot oven, the shaft sleeve is heated quickly, and on the other hand, the frame structure enables the device to be lighter in weight and more convenient to transport.
The inside circular arc axle sleeve tray 2 that adopts of device, the axle sleeve tray is fixed on monolith support 1 through four angle irons, and the tray surface perfectly agrees with the axle sleeve surface, and the axle sleeve can not roll in the device during transportation to circular arc axle sleeve tray 2 has certain gap with monolith support 1 front end, and the external flange of shaft coupling axle sleeve just can block into in this gap, makes the axle sleeve can not cluster around in the device.
The carrying base 3 is made of two channel steels below the device, and when a forklift is used for transportation, the fork card can effectively prevent the side turning of the device in the base.
And finally, four detachable lifting rings are arranged above the device, and the lifting rings are mainly stressed parts, so that the device is detachable and can be taken down when the shaft sleeve is hot-assembled, and the influence of high temperature on the mechanical property of the lifting rings is prevented.
The use process of the utility model is as follows:
the device is transported to the site, whether the device is collided or cracked is checked visually, and the device can be used without errors;
cleaning particles on the inner surface of the shaft sleeve tray 2 to prevent the particles from scraping the surface of the shaft sleeve;
the shaft coupling shaft sleeve is lifted by a crane and vertically placed on a shaft sleeve tray 2 in the device, a flange of the shaft sleeve faces inwards, and the flange is clamped in a gap between the shaft sleeve tray 2 and the front end of the integral support 1;
slightly adjusting the angle of the shaft sleeve key groove by using a crane to enable the angle to be consistent with the angle of a main shaft key groove of the rotating equipment;
cleaning the inner surface of the shaft sleeve of the coupler to prevent particles existing on the inner surface from influencing the installation of the shaft sleeve;
the four detachable hanging rings 4 are disassembled and collected;
the carrying base 3 of the coupler shaft sleeve hot-loading device is forked up by a forklift, and is conveyed into a hot oven by the forklift, and the forklift is withdrawn;
setting the heating temperature and the heating time of the hot oven to be specified, suggesting that the heating temperature is not less than 200 ℃, and the heating time is not less than 2 hours, and starting heating;
after heating, open the hot oven gate, personnel keep away from hot oven in order to prevent the scald. Taking out the coupler shaft sleeve hot-assembling device provided with the heavy coupler shaft sleeve by using a forklift and conveying the coupler shaft sleeve hot-assembling device to the vicinity of equipment to be installed;
the four detachable lifting rings 4 are installed on the integral bracket 1 by a person with high-temperature protection labor insurance, and the lifting rings are connected with a lifting hook through a guide chain;
hoisting the coupler shaft sleeve hot-assembling device provided with the heavy coupler shaft sleeve by using a crane until the shaft sleeve is coaxial with the equipment main shaft, and pushing and fixing the shaft sleeve by a person with high-temperature protection labor insurance;
and (3) after the shaft sleeve is installed, putting down the heavy coupler shaft sleeve hot-loading device by using a crane, and collecting the device after the device is cooled.
Before the heavy coupler shaft sleeve hot-mounting device is used, whether the appearance is cracked or seriously collided or not is checked visually, otherwise, the heavy coupler shaft sleeve hot-mounting device is not allowed to be used; the heavy-duty shaft coupling shaft sleeve hot-mounting device needs to take down the 4 detachable lifting rings during heating; the related personnel who participate in the hot clothes must bring high-temperature protection labor protection high-temperature protection clothes and protection gloves; after the shaft sleeve is taken out of the hot oven, hot charging operation is completed as soon as possible, otherwise, the shaft sleeve cannot be charged after being cooled; after the hot charging is finished, the shaft sleeve is transported after being cooled, and the shaft sleeve is possibly separated due to vibration in the transportation process.
Claims (4)
1. Heavy shaft coupling axle sleeve hot charging device, characterized by: including the monolith support, the monolith support is the frame rack construction of tetragonal body, and the inside axle sleeve tray that sets up of monolith support, axle sleeve tray pass through the angle bar to be fixed on the bottom frame of monolith support, and the below of monolith support is fixed with the transport base, installs detachable rings on the top frame of monolith support.
2. The heavy duty shaft coupling sleeve shrink-fitting apparatus of claim 1 wherein: the surface of the shaft sleeve tray is in a circular arc shape matched with the shape of the shaft sleeve, and a gap for placing a shaft sleeve connecting flange is reserved between the end part of the shaft sleeve tray and the integral support.
3. The heavy duty coupling sleeve shrink-fitting apparatus of claim 1 or 2 wherein: the carrying base comprises two channel steels which are respectively positioned on two sides of the whole support, and the channel steels are provided with grooves for carrying fork forks of a forklift.
4. The heavy duty coupling sleeve shrink-fitting apparatus of claim 1 or 2 wherein: the material of the integral bracket, the shaft sleeve tray and the carrying base is Q355 carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122236504.1U CN216190299U (en) | 2021-09-15 | 2021-09-15 | Heavy shaft coupling shaft sleeve hot charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122236504.1U CN216190299U (en) | 2021-09-15 | 2021-09-15 | Heavy shaft coupling shaft sleeve hot charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216190299U true CN216190299U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122236504.1U Active CN216190299U (en) | 2021-09-15 | 2021-09-15 | Heavy shaft coupling shaft sleeve hot charging device |
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| Country | Link |
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| CN (1) | CN216190299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302188A (en) * | 2022-08-22 | 2022-11-08 | 河南中原特钢装备制造有限公司 | Core rod hot charging device and method for radial precision forging machine |
-
2021
- 2021-09-15 CN CN202122236504.1U patent/CN216190299U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302188A (en) * | 2022-08-22 | 2022-11-08 | 河南中原特钢装备制造有限公司 | Core rod hot charging device and method for radial precision forging machine |
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