CN219489376U - Vertical mill roller sleeve lifting appliance - Google Patents
Vertical mill roller sleeve lifting appliance Download PDFInfo
- Publication number
- CN219489376U CN219489376U CN202320096074.4U CN202320096074U CN219489376U CN 219489376 U CN219489376 U CN 219489376U CN 202320096074 U CN202320096074 U CN 202320096074U CN 219489376 U CN219489376 U CN 219489376U
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- clamping
- piece
- lifting
- hoisting
- vertical mill
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
A vertical mill roll cover hanger comprising: the hoisting assembly comprises a first hoisting piece and a second hoisting piece which are arranged in a sliding manner, and the first hoisting piece and the second hoisting piece are used for relatively moving up and down in butt joint with traction equipment; the clamping assembly is arranged below the hanging assembly and used for sleeving the roller sleeve from the inside Zhou Zhuaqu, and comprises at least two clamping pieces; the upper end of each clamping piece is rotationally connected to the first lifting piece, the lower end of each clamping piece is rotationally connected with the second lifting piece through a connecting rod, and the upward movement of the first lifting piece and the upward movement of the second lifting piece are respectively linked to the folding and unfolding actions of the clamping assembly, so that the stopping and starting of the lifting operation are realized. The utility model can realize nondestructive operation, is safe and reliable, is suitable for multiple types of roller sleeves, and improves the production efficiency.
Description
Technical Field
The utility model relates to a grinding roller lifting tool, in particular to a vertical mill roller sleeve lifting tool, and belongs to the technical field of machine manufacturing.
Background
The vertical medium-speed grinding tool has the characteristics of mature design and stable operation, is widely used in industries such as power generation, cement, mining and the like, and is important powder making equipment. The roller sleeve of the vertical mill is used as a core component in the vertical mill and is in direct contact with the processed material, and a great amount of abrasion and load are born in operation, so that the roller sleeve of the vertical mill needs to be replaced regularly, and the market demand is huge.
Most of the existing wear-resistant roller sleeves are composite roller sleeves, and the wear-resistant layer is made of build-up welding or ceramic composite materials. The manufacturing process is to cast the roll sleeve matrix first, then roughen the outer surface, and prepare for the next step of surfacing or ceramic pasting. Therefore, the outer surface of the roller sleeve is required to be not damaged in the lifting process.
At present, most of roller sleeve lifting appliances are temporary welding lifting lugs and clamp lifting appliances. The temporary welding type lifting lug is generally welded on the inner side of the roller sleeve, the operation difficulty is high, the time consumption is long, the local stress concentration of the roller sleeve can be caused in the welding and disassembling processes, and the major potential safety hazard exists. The clamp lifting tool needs to be clamped on the surface of the roller sleeve when in use, and the rough turning surface of the roller sleeve can be damaged to form a dent or a groove, so that the next step of surfacing or ceramic tooling is affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the vertical mill roller sleeve lifting tool, which can realize nondestructive operation, is safe and reliable, is suitable for roller sleeves with multiple types and improves the production efficiency.
The technical scheme adopted for solving the technical problems is as follows:
a vertical mill roll cover hanger comprising:
the hoisting assembly comprises a first hoisting piece and a second hoisting piece which are arranged in a sliding manner, and the first hoisting piece and the second hoisting piece are used for relatively moving up and down in butt joint with traction equipment;
the clamping assembly is arranged below the hanging assembly and used for sleeving the roller sleeve from the inside Zhou Zhuaqu, and comprises at least two clamping pieces;
the upper end of each clamping piece is rotationally connected to the first lifting piece, the lower end of each clamping piece is rotationally connected with the second lifting piece through a connecting rod, and the upward movement of the first lifting piece and the upward movement of the second lifting piece are respectively linked to the folding and unfolding actions of the clamping assembly, so that the stopping and starting of the lifting operation are realized.
Optionally, the first piece of getting that hangs includes from the clamp plate and sets up from the vice lug at clamp plate top is equipped with the through-hole from the intermediate position of clamp plate, and a plurality of vice lugs evenly arrange around the through-hole.
Optionally, the second suspends and gets the piece and includes the center post and set up the main lug at center post top, the upper end of center post wears to establish in the through-hole and is located from the clamp plate top, its lower extreme fixedly connected with base.
Optionally, the clamping piece includes the arm lock and sets up the clamping jaw in the arm lock lower extreme outside, clamping jaw butt-joint roller sleeve's inner chamber.
Optionally, the clamping assembly comprises three clamping pieces, the three clamping pieces are uniformly arranged around the center column, and two ends of a connecting rod of each clamping piece are hinged with the corresponding clamping arm and the base respectively.
Optionally, the distance between the connecting point of the clamping arm and the self-pressing plate and the central line of the central column is smaller than the outer contour dimension of the base in the folding direction.
Compared with the prior art, the vertical mill roller sleeve lifting tool provided by the utility model has the advantages that the clamping component is used for clamping the roller sleeve by the inner periphery, and the traction equipment is used for driving and lifting by the lifting component, so that the abrasion to the outer surface of the grinding roller in the lifting process of the roller sleeve can be thoroughly avoided, the preparation for the next process flow can be realized, and the vertical mill roller sleeve lifting tool has high applicability to the surfacing roller sleeve. Meanwhile, the clamping component automatically folds and unfolds along with the movement of the hanging component, manual operation is not needed, the inner diameter of the roller sleeve can be self-adapted, compatibility and applicability to roller sleeves of different types are improved, labor cost can be reduced, and production efficiency is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a front view of one embodiment of the present utility model.
Fig. 2 is a top view of one embodiment of the present utility model.
The reference numerals in the drawings illustrate:
1-lifting an assembly; 11-a first sling; 111-self-pressing plate; 1111-through holes; 112-auxiliary lifting lugs; 12-a second lifting member; 121-a center column; 122-main lifting lug; 123-a base;
2-clamping the component; 21-a gripping member; 211-clamping arms; 212-clamping jaw; 22-connecting rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Fig. 1 and 2 show a schematic structural view of a preferred embodiment of the present utility model, a vertical mill roll cover hanger, comprising:
the hoisting assembly 1 comprises a first hoisting piece 11 and a second hoisting piece 12 which are arranged in a sliding manner, wherein the first hoisting piece 11 and the second hoisting piece 12 are used for relatively moving up and down in a butt joint traction device;
a clamping assembly 2 arranged below the lifting assembly 1 and used for sleeving a roller from inside Zhou Zhuaqu, wherein the clamping assembly 2 comprises at least two clamping pieces 21;
the upper end of each clamping piece 21 is rotatably connected to the first lifting piece 11, the lower end of each clamping piece is rotatably connected to the second lifting piece 12 through a connecting rod 22, and the upward movement of the first lifting piece 11 and the second lifting piece 12 are respectively linked to the folding and unfolding actions of the clamping assembly 2, so that the stopping and starting of lifting operation are realized.
The traction equipment can be selected from automatic equipment such as a crane, and can also be various labor-saving manual hoisting devices.
The folding mechanism is formed by the clamping pieces 21 and the lifting assembly 1 through the connecting rod 22, the folding mechanism is opened and closed to correlate the relative lifting movement of the first lifting piece 11 and the second lifting piece 12, the clamping operation is realized by matching with external traction equipment, the operation is simple and convenient, one lifting appliance can hoist various roller sleeves with different sizes, the inventory cost and the production cost are reduced, the ground worker operation is not needed in the whole lifting process, the safety during lifting is improved, the frequency of lifting appliances for lifting the roller sleeves with different sizes is reduced, the production efficiency is greatly improved, and the efficiency and the safety are high. Therefore, the vertical mill roller sleeve lifting tool has a series of advantages of high efficiency, convenience in operation, high safety, high reliability, long service life and the like.
As a further optional implementation manner of this embodiment, the first lifting member 11 includes a self-pressing plate 111 and a pair of lifting lugs 112 disposed on the top of the self-pressing plate 111, a through hole 1111 is disposed in a middle position of the self-pressing plate 111, and a plurality of pair of lifting lugs 112 are uniformly disposed around the through hole 1111.
In particular, the two ends of the first rotating shaft penetrate through the hinge support and the clamping arm 211 on the self-pressing plate 111, and the self-pressing plate 111 and the clamping arm 211 are rotatably connected through the first rotating shaft. A gap exists between the self-pressing plate 111 and the through hole 1111 of the central column 121, the self-pressing plate 111 can slide along the axial direction of the central column 121, and the second rotating shaft penetrates through the clamping arm 211 and the connecting rod 22. The clamping arm 211 is rotatably connected with the connecting rod 22 through a second rotating shaft. The base 123 is rotatably connected with the link 22 through a third rotation shaft, which penetrates through a hinge support on the base 123 and the link 22. Thereby realizing the opening and closing of the whole lifting appliance and leading the applicability to be wider.
As a further optional implementation manner of this embodiment, the second lifting member 12 includes a central column 121 and a main lifting lug 122 disposed at the top of the central column 121, where an upper end of the central column 121 is disposed in the through hole 1111 in a penetrating manner and is located above the self-pressing plate 111, and a lower end of the central column 121 is fixedly connected with a base 123.
In specific implementation, the main lifting lug 122, the central column 121 and the base 123 are welded together to form the central part of the lifting appliance of the embodiment. The main lifting lugs 122 are used in lifting the roll cover. The auxiliary lifting lug 112 is welded with the self-pressing plate 111, and the auxiliary lifting lug 112 is used when the roller sleeve is put down to independently lift the lifting appliance.
The self-pressing plate 111, the clamping arm 211 and the connecting rod 22 form a supporting part of the clamp in the embodiment, wherein the self-pressing plate has a certain self weight, and the self-pressing plate 111 can slide along the central column 121 to provide a counterweight for a connecting rod mechanism described below. The self-pressing plate 111 plays a role of expanding a hanger and balancing moment generated by the grinding roll when lifting the roll sleeve.
As a further alternative implementation of this embodiment, the gripping member 21 includes a gripping arm 211 and a gripping jaw 212 disposed outside the lower end of the gripping arm 211, where the gripping jaw 212 is coupled to the inner cavity of the roller housing.
As a further alternative implementation manner of this embodiment, the clamping assembly 2 is composed of three clamping members 21, the three clamping members 21 are uniformly arranged around the central column 121, and two ends of the connecting rod 22 of each clamping member 21 are respectively hinged with the corresponding clamping arm 211 and the base 123.
The clamping piece 21 and the connecting rod 22 form a group of connecting rod mechanisms, and a person skilled in the art only needs to design the clamping piece 21 and the connecting rod 22 according to a certain length proportion, so that the roller sleeve can be prevented from sliding off, and the application range of the lifting appliance to the roller sleeves with different sizes can be ensured; the three clamping members 21 are formed into three groups of linkage mechanisms uniformly distributed at 120 degrees, so that reliable clamping and fixing effects are achieved under the condition of the structure which is simplified as much as possible.
In order to obtain a smoother lifting appliance opening and closing process, the phenomenon that the lifting appliance is blocked in the next unfolding process due to excessive tightening is avoided. As a further alternative implementation manner of this embodiment, the distance between the connecting point of the clamping arm 211 and the self-pressing plate 111 and the central line of the central column 121 is smaller than the outer contour dimension of the base 123 in the folding direction. When the base 123 is in a disc shape, it is smaller than the outer diameter of the disc, so as to meet the purpose of flexible deployment.
The application process of the vertical mill roller sleeve lifting appliance is as follows:
1. and (5) the retraction working condition of the lifting appliance. The main lifting lug 122 is loosened by the crane, the auxiliary lifting lug 112 is lifted, the auxiliary lifting lug 112 drives the self-pressing plate 111 to move upwards relatively along the axial direction of the central column 121, the self-pressing plate 111 drives the near central end of the clamping arm 211 to move upwards relatively, the far central end of the clamping arm 211 is retracted, and at the moment, the clamping jaw 212 at the lowest end of the lifting appliance is placed into the inner cavity of the roller sleeve.
2. The unfolding working condition of the lifting appliance is the working condition when the roller sleeve is lifted. The crane loosens the auxiliary lifting lug 112, lifts the main lifting lug 122, the main lifting lug 122 drives the center column 121, the center column 121 drives the base 123 to move upwards together, the base 123 supports the connecting rod 22, the connecting rod 22 supports the clamping arm 211, the whole lifting appliance is unfolded, and the lifting operation is performed on the roller sleeve.
3. And (3) after the hoisting operation is completed, repeating the operation of the step (2) to retract the hoisting tool.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification and equivalent variation of the above embodiment according to the technical spirit of the present utility model falls within the scope of the present utility model.
Claims (6)
1. The utility model provides a vertical mill roller shell hoist which characterized in that includes:
the hoisting assembly comprises a first hoisting piece and a second hoisting piece which are arranged in a sliding manner, and the first hoisting piece and the second hoisting piece are used for relatively moving up and down in butt joint with traction equipment;
the clamping assembly is arranged below the hanging assembly and used for sleeving the roller sleeve from the inside Zhou Zhuaqu, and comprises at least two clamping pieces;
the upper end of each clamping piece is rotationally connected to the first lifting piece, the lower end of each clamping piece is rotationally connected with the second lifting piece through a connecting rod, and the upward movement of the first lifting piece and the upward movement of the second lifting piece are respectively linked to the folding and unfolding actions of the clamping assembly, so that the stopping and starting of the lifting operation are realized.
2. The vertical mill roll cover hanger according to claim 1, wherein: the first lifting part comprises a self-pressing plate and auxiliary lifting lugs arranged at the top of the self-pressing plate, through holes are formed in the middle of the self-pressing plate, and a plurality of auxiliary lifting lugs are uniformly arranged around the through holes.
3. The vertical mill roll cover hanger according to claim 2, wherein: the second hanging part comprises a center column and a main lifting lug arranged at the top of the center column, the upper end of the center column is arranged in the through hole in a penetrating mode and located above the self-pressing plate, and the lower end of the center column is fixedly connected with a base.
4. A vertical mill roll cover hanger according to claim 3, characterized by: the clamping piece comprises a clamping arm and clamping jaws arranged on the outer side of the lower end of the clamping arm, and the clamping jaws butt-joint the inner cavity of the roller sleeve.
5. The vertical mill roll cover hanger according to claim 4, wherein: the clamping assembly is composed of three clamping pieces, the three clamping pieces are uniformly arranged around the center column, and two ends of a connecting rod of each clamping piece are hinged with a corresponding clamping arm and a corresponding base respectively.
6. The vertical mill roll cover hanger of claim 5, wherein: the distance between the connecting points of two adjacent clamping arms and the self-pressing plate and the central line of the central column is smaller than the outer contour dimension of the base in the folding direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320096074.4U CN219489376U (en) | 2023-02-01 | 2023-02-01 | Vertical mill roller sleeve lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320096074.4U CN219489376U (en) | 2023-02-01 | 2023-02-01 | Vertical mill roller sleeve lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219489376U true CN219489376U (en) | 2023-08-08 |
Family
ID=87481088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320096074.4U Active CN219489376U (en) | 2023-02-01 | 2023-02-01 | Vertical mill roller sleeve lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219489376U (en) |
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2023
- 2023-02-01 CN CN202320096074.4U patent/CN219489376U/en active Active
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