CN213914248U - Medium speed coal mill convenient to overhaul - Google Patents

Medium speed coal mill convenient to overhaul Download PDF

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Publication number
CN213914248U
CN213914248U CN202022594095.8U CN202022594095U CN213914248U CN 213914248 U CN213914248 U CN 213914248U CN 202022594095 U CN202022594095 U CN 202022594095U CN 213914248 U CN213914248 U CN 213914248U
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CN
China
Prior art keywords
support
overhaul
coal mill
gate
mill body
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Active
Application number
CN202022594095.8U
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Chinese (zh)
Inventor
高振宁
史胜杰
王春雷
郭春宇
李春光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning Qinghe Electric Power Maintenance Co ltd
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Liaoning Qinghe Electric Power Maintenance Co ltd
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Priority to CN202022594095.8U priority Critical patent/CN213914248U/en
Application granted granted Critical
Publication of CN213914248U publication Critical patent/CN213914248U/en
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Abstract

The utility model discloses a medium speed coal mill convenient to overhaul, including coal mill body, the overhaul gate of both sides on the coal mill body, the overhaul platform is provided with below the front side of the overhaul gate that lies in the coal mill body, is provided with supplementary gate disassembling component between coal mill body and the overhaul gate, supplementary gate disassembling component sets up between the grinding roller spindle nose upside and the gate side flange of coal mill body; the auxiliary gate disassembling assembly comprises a first support, a second support and a jack arranged between the first support and the second support, the first support is arranged on the upper side of the grinding roller shaft head, the second support is arranged on a flange on the side face of the gate, and the first support and the second support are arranged oppositely. The utility model has the advantages of as follows: the labor is saved, the construction cost is saved, the personal safety is guaranteed, high-altitude operation is avoided, and high-altitude falling accidents are avoided; firm durable, the quality is reliable, easy and simple to handle, easy to overhaul, labour saving and time saving.

Description

Medium speed coal mill convenient to overhaul
Technical Field
The utility model belongs to the technical field of industrial equipment, specifically relate to an intermediate speed coal pulverizer convenient to overhaul.
Background
In the disassembly maintenance process of the medium-speed coal mill, a coal mill maintenance gate and a coal mill body are fastened together by bolts, and a joint face flange is usually sealed by a sealant or an asbestos pad; because of the long-term adhesion of the sealant or the sealing interface gasket, the coal mill overhaul gate still cannot be easily separated from the coal mill body after the bolt is removed, a jack must be additionally arranged between the upper end of the overhaul gate which is 4 meters away from the flat table surface and the coal mill body, the coal mill overhaul gate and the coal mill body are forcedly jacked and separated, and finally the coal mill overhaul gate is removed. The original dismounting method used all the time can not meet the requirements of quick and safe coal mill maintenance, and has the following defects: (1) a scaffold needs to be erected to provide conditions for mounting a jack on the top of the coal mill overhauling gate; (2) a maintenance worker installs a jack at the top of a coal mill maintenance gate, so that the risk of falling from a high place exists; (3) repeatedly tear open and take the scaffold frame, consuming time and wasting effort, inconvenient, influence the construction progress.
Disclosure of Invention
The utility model discloses to above-mentioned problem, compensate prior art not enough, provide an intermediate speed coal pulverizer convenient to overhaul.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
The utility model relates to a medium speed coal pulverizer convenient to overhaul, the access door of both sides on coal pulverizer body, the coal pulverizer body, its characterized in that: an overhaul platform is arranged below the front side of the overhaul gate of the coal mill body, and an auxiliary gate disassembly assembly is arranged between the coal mill body and the overhaul gate; the auxiliary gate disassembling assembly is arranged between the upper side of a grinding roller shaft head of the coal mill body and a gate side flange, the auxiliary gate disassembling assembly comprises a first support, a second support and a jack arranged between the first support and the second support, the first support is arranged on the upper side of the grinding roller shaft head, the second support is arranged on the gate side flange, and the first support and the second support are arranged oppositely.
As an optimized scheme of the utility model, first support welded connection in grinding roller spindle nose upside, second support welded connection on gate side flange.
As another preferred scheme of the utility model, first support include oblique brace muscle, roof support, oblique brace muscle and roof support body coupling.
As another preferred scheme of the utility model, the second support be massive structure, massive second support is close to the side of overhauing the main door and is provided with the round blunt.
The beneficial effects of the utility model.
The utility model provides a medium speed coal pulverizer convenient to overhaul has following advantage: (1) the auxiliary gate dismounting assembly comprises a first support and a second support, and is convenient to process and low in cost; (2) the labor is saved, the construction cost is saved, the personal safety is guaranteed, high-altitude operation is avoided, and high-altitude falling accidents are avoided; (3) firm durable, the quality is reliable, easy and simple to handle, easy to overhaul, labour saving and time saving.
Drawings
In order to make the technical problem, technical scheme and beneficial effect that the utility model solved more clearly understand, it is right to combine the attached drawing and detailed description mode below the utility model discloses further detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Fig. 1 is the utility model relates to a medium speed coal mill's convenient to overhaul structural schematic.
Fig. 2 is an enlarged structural view of a part a of the medium speed coal mill of the present invention, which is convenient for maintenance.
Fig. 3 is an enlarged structural view of the first support of the medium speed coal mill convenient for maintenance.
Fig. 4 is an enlarged structural view of the second support of the medium speed coal mill convenient for maintenance.
The labels in the figure are: 1 is a coal mill body, 2 is an overhaul gate, 3 is an auxiliary gate disassembly assembly, 4 is an overhaul platform, 5 is a grinding roller shaft head, and 6 is a gate side flange; 301 is a first support, 302 is a jack, 303 is a second support; 3011 an inclined support bar and 3012 a support top plate; 3031 it is round and blunt.
Detailed Description
Referring to the attached drawings 1 and 2, the medium-speed coal mill convenient to overhaul comprises a coal mill body 1 and overhaul gates 2 arranged on two sides of the coal mill body 1, wherein an overhaul platform 4 is arranged below the front side of the overhaul gate 2 of the coal mill body 1, an auxiliary gate dismantling assembly 3 is arranged between the coal mill body 1 and the overhaul gate 2, and the auxiliary gate dismantling assembly 3 is arranged between the upper side of a grinding roller shaft head 5 of the coal mill body 1 and a gate side flange 6; the auxiliary gate disassembly assembly 3 comprises a first support 301, a second support 303 and a jack 302 arranged between the first support 301 and the second support 303, wherein the first support 301 is arranged on the upper side of the grinding roller shaft head 5, the second support 303 is arranged on a flange 6 on the side face of the gate, and the first support and the second support 301 are arranged oppositely.
The first support 301 is connected to the upper side of the grinding roller shaft head 5 in a welded mode, and the second support 303 is connected to the flange 6 on the side face of the gate in a welded mode.
As shown in the enlarged structure diagram of the first support 301 in fig. 3, the first support 301 includes an inclined support bar 3011 and a support top plate 3012, the inclined support bar 3011 is integrally connected to the support top plate 3012, and the base end of the jack 302 abuts against the support top plate 3012.
As shown in the enlarged structure diagram of the first support 303 in fig. 4, the second support 303 is a block-shaped structure, and a round blunt 3031 is arranged on the side of the block-shaped second support 303 close to the access door 2.
Specifically, the first support 301 and the second support 303 are respectively welded on the upper side of a grinding roller shaft head 5 of the coal mill body 1 and a gate side flange 6 in an opposite mode, and a jack 302 is arranged between the two supports, so that the maintenance gate 2 can be easily jacked away from the coal mill body 1; it features convenient processing and installation, low cost, high durability, high working efficiency and simple operation.
Before the fastening bolts on the coal mill overhaul gate 2 are disassembled, the coal mill overhaul gate 2 must be stably hung by using a crane, after the fastening bolts on the coal mill overhaul gate 2 are completely disassembled, a jack 302 is used for ejecting a gap between the coal mill overhaul gate 2 and the coal mill body 1, then the coal mill body 1 is ejected, and the coal mill overhaul gate 2 is disassembled and hung to a specified position by using the crane.
The utility model has the advantages that two oppositely arranged supports are respectively welded on the upper side of the grinding roller shaft head 5 of the coal mill body 1 and the gate side flange 6, and the jack 302 is arranged in the space formed by the two supports, so that the operation can be directly carried out on the maintenance platform 4, and further the scaffold with the height of 4 meters does not need to be climbed for arrangement; therefore, the difficulty of maintenance operation is greatly reduced, the high-altitude operation is avoided, the risk of falling from the high altitude of personnel is avoided, the occurrence of personal casualty accidents is avoided, and the safety benefit is higher.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims (4)

1. The utility model provides a medium speed coal pulverizer convenient to overhaul, includes the access door of both sides on coal pulverizer body, the coal pulverizer body, its characterized in that: an overhaul platform is arranged below the front side of the overhaul door of the coal mill body, an auxiliary door dismantling assembly is arranged between the coal mill body and the overhaul door, and the auxiliary door dismantling assembly is arranged between the upper side of a grinding roller shaft head of the coal mill body and a door side flange; the auxiliary gate disassembling assembly comprises a first support, a second support and a jack arranged between the first support and the second support, the first support is arranged on the upper side of the grinding roller shaft head, the second support is arranged on a flange on the side face of the gate, and the first support and the second support are arranged oppositely.
2. The medium speed coal mill convenient to overhaul according to claim 1, wherein: the first support is welded on the upper side of the grinding roller shaft head, and the second support is welded on a flange on the side surface of the gate.
3. The medium speed coal mill convenient to overhaul according to claim 1, wherein: the first support comprises an inclined support rib and a support top plate, and the inclined support rib and the support top plate are integrally connected.
4. The medium speed coal mill convenient to overhaul according to claim 1, wherein: the second support be block structure, block-shaped second support is close to the access door side and is provided with the rounding.
CN202022594095.8U 2020-11-11 2020-11-11 Medium speed coal mill convenient to overhaul Active CN213914248U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022594095.8U CN213914248U (en) 2020-11-11 2020-11-11 Medium speed coal mill convenient to overhaul

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022594095.8U CN213914248U (en) 2020-11-11 2020-11-11 Medium speed coal mill convenient to overhaul

Publications (1)

Publication Number Publication Date
CN213914248U true CN213914248U (en) 2021-08-10

Family

ID=77167507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022594095.8U Active CN213914248U (en) 2020-11-11 2020-11-11 Medium speed coal mill convenient to overhaul

Country Status (1)

Country Link
CN (1) CN213914248U (en)

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