CN212791366U

CN212791366U - Fly ash mill overhauls and uses protector

Info

Publication number: CN212791366U
Application number: CN202021453643.9U
Authority: CN
Inventors: 任思谦; 马全章; 王巍
Original assignee: Shaanxi Zhengyuan Fly Ash Comprehensive Utilization Co Ltd
Current assignee: Shaanxi Zhengyuan Fly Ash Comprehensive Utilization Co Ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-26
Anticipated expiration: 2030-07-21

Abstract

The utility model relates to a fly ash mill overhauls and uses protector, it includes that the perpendicular setting is at the first protection frame of two parallels of fly ash mill top and is used for fixing the hoisting support in fly ash mill top with first protection frame, hoisting support fixes at fly ash mill place factory building roof, first protection frame and fly ash mill contactless, first protection frame is parallel with fly ash mill axis, leave the route that supplies the maintainer to pass through between two first protection frames, the route is located directly over the fly ash mill, route one end is provided with the auxiliary assembly who supplies the maintainer to scramble. The utility model provides a fly ash mill overhauls uses protector simple structure protects through first protection frame, reduces the potential safety hazard that exists when the fly ash mill overhauls, provides safer operational environment for the maintainer.

Description

Fly ash mill overhauls and uses protector

Technical Field

The application relates to the field of fly ash mills, in particular to a protection device for overhauling a fly ash mill.

Background

The fly ash refers to fine ash captured from flue gas generated after coal combustion, and the fly ash is mixed in concrete, so that a large amount of cement and fine aggregate can be saved, the water consumption is reduced, the workability of concrete mixtures is improved, the pumpability of the concrete is enhanced, the creep of the concrete is reduced, the impermeability of the concrete is improved, the modification property of the concrete is increased, and the like. The fineness and the granularity of the fly ash directly influence other properties of the fly ash, and the finer the fly ash is, the larger the proportion of the fine powder is, and the greater the activity of the fine powder is. The fly ash mill is a key device for grinding fly ash.

The existing fly ash mill comprises a horizontally placed barrel, a feeding and discharging hollow shaft and a grinding head, wherein the barrel is a long hollow cylinder, a rigid grinding body for grinding materials is arranged in the barrel, the barrel is made of a steel plate, the grinding body is generally a steel ball and is arranged in the barrel according to different diameters and a certain proportion, a lining plate is arranged on the inner wall of the barrel, an access hole is formed in the side wall of the barrel, and an access person can conveniently overhaul or replace the lining plate in the barrel.

To the correlation technique among the above-mentioned, the inventor thinks that the fly ash mill need rotate the barrel when overhauing and makes the access hole up, and later the maintainer climbs access hole department and overhauls the barrel inside, and the access hole is higher apart from the height on ground, and does not have protective apparatus when the eminence is overhauld, has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to reduce the potential safety hazard when the fly ash mill overhauls, this application provides a fly ash mill overhauls and uses protector.

The application provides a fly ash mill overhauls uses protector adopts following technical scheme:

the utility model provides a fly ash mill overhauls uses protector, includes that the perpendicular setting is at the first protection frame of two parallels of fly ash mill top and be used for fixing the hoisting support in fly ash mill top with first protection frame, hoisting support fixes at fly ash mill place factory building roof, first protection frame with fly ash mill contactless, first protection frame long limit is parallel with fly ash mill axis, two leave the passageway that supplies the maintainer to pass through between the first protection frame, the passageway is located directly over the fly ash mill, passageway one end is provided with the auxiliary assembly who supplies the maintainer to scramble.

By adopting the technical scheme, when a maintainer needs to overhaul the interior of the fly ash mill, the fly ash mill is rotated to enable an overhaul port to be used to be upward; then, a maintainer reaches the upper part of the fly ash mill through auxiliary equipment and walks to an access point from the upper part of the fly ash mill for maintenance, the maintainer is positioned between the two first protective frames in the whole maintenance process, and the two first protective frames are used for protecting the maintainer, so that potential safety hazards in the maintenance of the fly ash mill are reduced, and a safer working environment is provided for the maintainer; the first protection frame is fixed above the fly ash mill through the hoisting support, so that the installation and the fixation are simple, and excessive space cannot be occupied; the first protection frame is not in contact with the fly ash mill, and the normal work of the fly ash mill cannot be influenced by the arrangement of the first protection frame.

Preferably, one end of each of the two first protection frames, which is far away from the auxiliary equipment, is connected with a second protection frame.

Through adopting above-mentioned technical scheme, form a safer guard block through the cooperation of second guard frame and first guard frame in fly ash mill top, further reduce the potential safety hazard.

Preferably, the bottom of the first protective frame is provided with a groove for passing through an access hole of the fly ash mill.

Through adopting above-mentioned technical scheme, fly ash mill during operation, the access hole passes from the recess, and then can reduce the distance of first protection frame bottom apart from fly ash mill when not influencing fly ash mill normal work, further strengthen the protection, reduce the potential safety hazard.

Preferably, the auxiliary equipment comprises a support arranged at one end of the fly ash mill, a support plate is arranged at the top of the support, and a ladder is obliquely arranged on one side of the support plate.

By adopting the technical scheme, the coal ash mill needs to be rotated repeatedly for debugging in the maintenance process, and the maintainers can temporarily stay on the support plate when the coal ash mill rotates, so that the climbing times of the maintainers are reduced, and the coal ash mill is convenient for users to use; the ladder makes things convenient for the maintainer to step on the extension board.

Preferably, the extension board edge is provided with the third protection frame perpendicularly, the third protection frame with first protection frame is connected, the position that third protection frame and ladder correspond is equipped with first opening, the position that third protection frame and route correspond is equipped with the second opening.

By adopting the technical scheme, the periphery of the support plate is protected by the third protection frame, so that potential safety hazards are reduced; while strengthening the connection of the first protective frame.

Preferably, the hoisting support comprises first connecting plates correspondingly arranged on two sides of the passage and used for being connected with the first protection frame, and the top of each first connecting plate is connected with a mounting plate.

Through adopting above-mentioned technical scheme, fix the mounting panel at fly ash mill place factory building top, fix first connecting plate and first protection frame and can realize the installation to first protection frame, simple structure, and with low costs.

Preferably, a positioning plate is arranged at the bottom end of the first connecting plate, a positioning groove is formed between the positioning plate and the first connecting plate, and the first protection frame is arranged on the positioning groove.

Through adopting above-mentioned technical scheme, the user places first protection frame on the locating plate earlier when setting up first protection frame, carries out preliminary location, convenience of customers follow-up fixed to first protection frame through the constant head tank.

Preferably, reinforcing support rods are obliquely arranged between the first connecting plate and the mounting plate, and the reinforcing support rods are positioned on two sides of the passage.

Through adopting above-mentioned technical scheme, strengthen being connected between first connecting plate and the mounting panel through consolidating the bracing piece, make hoisting support more firm.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two first protection frames are used for protecting the maintainers, so that potential safety hazards in the process of overhauling the fly ash mill are reduced, and a safer working environment is provided for the maintainers; the first protection frame is fixed above the fly ash mill through the hoisting support, so that the installation and the fixation are simple, and excessive space cannot be occupied; the first protection frame is not in contact with the fly ash mill, and the normal work of the fly ash mill cannot be influenced by the arrangement of the first protection frame;

2. the coal ash mill needs to be rotated repeatedly for debugging in the maintenance process, and a maintainer can temporarily stay on the support plate when the coal ash mill rotates, so that the climbing times of the maintainer are reduced, and the coal ash mill is convenient for a user to use; the ladder is convenient for maintainers to climb on the support plate;

3. when setting up first protection frame, the user places first protection frame on the locating plate earlier, tentatively fixes a position first protection frame through the constant head tank, and convenience of customers is follow-up fixed.

Drawings

FIG. 1 is a schematic overall structure of the present application;

figure 2 is a schematic view of the structure of the lifting bracket of the present application.

Description of reference numerals: 1. a fly ash mill; 11. an access hole; 2. a first protective frame; 21. a groove; 3. a passage; 4. hoisting a support; 41. a first connecting plate; 42. mounting a plate; 43. reinforcing the supporting rod; 44. positioning a plate; 45. positioning a groove; 5. an auxiliary device; 51. a support; 52. a support plate; 53. a ladder; 6. a second protective frame; 7. a third protection frame; 71. a first port; 72. a second port.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses fly ash mill overhauls and uses protector. As shown in fig. 1 and 2, the protection device for the maintenance of the fly ash mill comprises a hoisting support 4 and two first protection frames 2 which are vertically fixed above the fly ash mill 1 through the hoisting support 4 and are parallel to each other, the hoisting support 4 is fixed on the top wall of a plant where the fly ash mill 1 is located, each first protection frame 2 comprises a rectangular frame welded by steel plates and a support plate vertically welded between two long edges of the rectangular frame, the first protection frame 2 is not in contact with the fly ash mill 1, the long edge of the rectangular frame of the first protection frame 2 is parallel to the axis of the fly ash mill 1, a passage 3 for passing of maintenance personnel is reserved between the two first protection frames 2, and the passage 3 is located right above the fly ash mill 1. The hoisting support 4 comprises first connecting plates 41 which are correspondingly arranged on two sides of the passage 3 and used for being welded with the first protection frame 2, and mounting plates 42 are welded on the tops of the first connecting plates 41 together, so that the structure is simple, and the cost is low. An L-shaped positioning plate 44 is welded to one side of the bottom end of the first connecting plate 41, which is close to the passage 3, a horizontal portion of the L-shaped positioning plate 44 is welded to the first connecting plate 41, a vertical portion of the L-shaped positioning plate 44 is disposed upward, a positioning groove 45 is formed between the positioning plate 44 and the first connecting plate 41, and the first protection frame 2 is disposed in the positioning groove 45. The user fixes the mounting plate 42 on the top wall of the plant where the fly ash mill 1 is located through the bolts, then the first protection frame 2 is erected on the positioning groove 45 for preliminary positioning, and finally the first protection frame 2 and the first connecting plate 41 are welded together. In order to connect the lifting bracket 4 more firmly, reinforcing support rods 43 are welded between the first connecting plate 41 and the mounting plate 42 in an inclined manner, and the reinforcing support rods 43 are positioned on two sides of the passage 3.

As shown in fig. 1, an auxiliary device 5 for the maintenance personnel to climb is fixed at one end of the passageway 3. The one end that auxiliary assembly 5 was kept away from to two first protection framves 2 has the second to protect frame 6 jointly welded, and second protection frame 6 is formed by a plurality of steel sheet welding. The bottom of the first protective frame 2 is provided with a groove 21 for the access hole 11 of the fly ash mill 1 to pass through. When a maintainer needs to overhaul the interior of the fly ash mill 1, rotating the fly ash mill 1 to enable an overhaul port 11 to be used to face upwards; later the maintainer passes through auxiliary assembly 5 and reachs 1 tops of fly ash mill, walks to access hole 11 department from 1 tops of fly ash mill and overhauls, and inside the whole maintenance in-process maintainer was in the protection zone that second protection frame 6 and first protection frame 2 cooperation formed, the potential safety hazard that exists when reducing the fly ash mill and overhauing provides safer operational environment for the maintainer. And when the fly ash mill 1 works, the access hole 11 penetrates through the groove 21, so that the distance from the bottom of the first protection frame 2 to the fly ash mill 1 can be reduced while the normal work of the fly ash mill 1 is not influenced, the protection is further enhanced, and the potential safety hazard is reduced.

As shown in fig. 1, the auxiliary equipment 5 includes a bracket 51 fixed to one end of the fly ash mill 1, a support plate 52 is fixed to the top of the bracket 51, and a ladder 53 is obliquely installed on one side of the support plate 52. The coal ash mill 1 needs to be rotated repeatedly in the maintenance process to be debugged, and a maintainer can temporarily stop on the support plate 52 when the coal ash mill 1 rotates, so that the climbing times of the maintainer are reduced, the use by a user is facilitated, and the ladder 53 facilitates the maintainer to climb on the support plate 52.

As shown in fig. 1, the third protection frame 7 is vertically welded at the edge of the support plate 52, the third protection frame 7 is formed by welding a plurality of steel plates, the third protection frame 7 is welded with the first protection frame 2, a first through hole 71 is arranged at the position, corresponding to the ladder 53, of the third protection frame 7, a second through hole 72 is arranged at the position, corresponding to the passage 3, of the third protection frame 7, the periphery of the support plate 52 is protected through the third protection frame 7, the potential safety hazard is reduced, and meanwhile the first protection frame 2 is fixedly connected.

The implementation principle of the protective device for overhauling the fly ash mill in the embodiment of the application is as follows: when the device of this application is installed, fix mounting panel 42 at the roof of the factory building that fly ash mill 1 was located through the bolt, later set up first protection frame 2 and tentatively fix a position on constant head tank 45, later with first protection frame 2 and first connecting plate 41 welding.

When a maintainer needs to overhaul the interior of the fly ash mill 1, rotating the fly ash mill 1 to enable an overhaul port 11 to be used to face upwards; then, a maintainer arrives at the support plate 52 through the ladder 53 and walks to the access hole 11 from the upper part of the fly ash mill 1 for maintenance, and the maintainer is located in a protective area formed by the second protective frame 6 and the first protective frame 2 in a matching mode in the whole maintenance process. When the maintainer needs to turn the fly ash mill 1 for commissioning, the maintainer can temporarily remain on the support plate 52.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fly ash mill overhauls uses protector which characterized in that: including perpendicular setting up first protection frame (2) of two parallels of each other in fly ash mill (1) top and be used for fixing hoisting support (4) in fly ash mill (1) top with first protection frame (2), hoisting support (4) are fixed at fly ash mill (1) place factory building roof, first protection frame (2) with fly ash mill (1) contactless, first protection frame (2) are parallel with fly ash mill (1) axis, two leave passageway (3) that supply the maintainer to pass through between first protection frame (2), passageway (3) are located fly ash mill (1) directly over, passageway (3) one end is provided with auxiliary assembly (5) that supply the maintainer to scramble.

2. The protection device for overhauling of the fly ash mill as claimed in claim 1, wherein: one end of the two first protection frames (2) far away from the auxiliary equipment (5) is connected with a second protection frame (6) together.

3. The protection device for overhauling of the fly ash mill as claimed in claim 1, wherein: the bottom of the first protective frame (2) is provided with a groove (21) for passing through an access hole (11) of the fly ash mill (1).

4. The protection device for overhauling of the fly ash mill as claimed in claim 1, wherein: the auxiliary equipment (5) comprises a support (51) arranged at one end of the fly ash mill (1), a support plate (52) is arranged at the top of the support (51), and a ladder (53) is obliquely arranged on one side of the support plate (52).

5. The protection device for overhauling of the fly ash mill as claimed in claim 4, wherein: support board (52) edge is provided with third protection frame (7) perpendicularly, third protection frame (7) with first protection frame (2) are connected, the position that third protection frame (7) and ladder (53) correspond is equipped with first opening (71), the position that third protection frame (7) and passageway (3) correspond is equipped with second opening (72).

6. The protection device for overhauling of the fly ash mill as claimed in claim 1, wherein: the hoisting support (4) comprises first connecting plates (41) which are correspondingly arranged on two sides of the passage (3) and used for being connected with the first protection frame (2), and the tops of the first connecting plates (41) are jointly connected with a mounting plate (42).

7. The protection device for overhauling of the fly ash mill as claimed in claim 6, wherein: a positioning plate (44) is arranged at the bottom end of the first connecting plate (41), a positioning groove (45) is formed between the positioning plate (44) and the first connecting plate (41), and the first protective frame (2) is arranged on the positioning groove (45).

8. The protection device for overhauling of the fly ash mill as claimed in claim 6, wherein: the first connecting plate (41) and the mounting plate (42) are obliquely provided with reinforcing support rods (43), and the reinforcing support rods (43) are located on two sides of the passage (3).