CN219689148U - Fixing device for movable pulley cover of crane lifting mechanism - Google Patents
Fixing device for movable pulley cover of crane lifting mechanism Download PDFInfo
- Publication number
- CN219689148U CN219689148U CN202320695968.5U CN202320695968U CN219689148U CN 219689148 U CN219689148 U CN 219689148U CN 202320695968 U CN202320695968 U CN 202320695968U CN 219689148 U CN219689148 U CN 219689148U
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- flange
- cover
- connecting flange
- movable pulley
- fixing
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- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model provides a fixing device for a movable pulley cover of a crane lifting mechanism, which comprises: a movable pulley cover including a first cover, a second cover, and a third cover; the connecting flange is distributed with a plurality of bolt connecting holes along the circle center near the boundary of the connecting flange, and the connecting flange is arranged on the movable pulley cover; an ear plate disposed between the first and second covers and between the second and third covers, respectively; and the fixing flange comprises a first semicircular fixing flange and a second semicircular fixing flange, a plurality of threaded holes are distributed on the circle center of the fixing flange and correspond to the bolt connecting holes of the connecting flange, and the fixing flange is arranged on two side surfaces of the lug plate. According to the utility model, the connecting flange of the movable pulley cover and the fixing flange on the lug plate are fixed by arranging the fixing device, increasing the diameter of the threaded hole and selecting the bolt which meets the diameter of the threaded hole and has high strength, so that the influence of vibration on the whole equipment is reduced, the generation of gaps is prevented, the shutdown times are reduced, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of smelting lifting equipment, in particular to a fixing device for a movable pulley cover of a lifting mechanism of a crane.
Background
When the steel plant is used for smelting metal, a 170/40t casting crane is required to perform steel feeding operation to a ladle turret of a continuous casting machine when in online cooperation with steelmaking production, and the operation of lifting and transferring molten steel and a ladle is required.
In the prior art, a movable pulley cover arranged on a movable pulley block on two sides of a lifting hook beam of a lifting mechanism comprises an outer cover, a middle cover and an inner cover, wherein a lifting hook Liang Erban is respectively arranged between the outer cover and the middle cover and between the inner cover and the middle cover, the movable pulley cover is connected with the outer cover, an outer side lug plate and one side of the middle cover through two rings of connecting bolts and a connecting flange on the movable pulley cover, and the other side of the middle cover, the inner side lug plate and the inner cover are fixedly connected. When the crane equipment is in operation, the equipment can vibrate, so that the connecting flange on the movable pulley cover and the lug plate connecting bolts are loosened. The loose connection flange and the connection bolt of the pulley cover can cause the displacement of the pulley cover, so that the clearance between the inner circle and the individual position of the outer circle of the pulley is increased, and the steel wire rope is loosened to cause the groove-disengaging accident.
The utility model aims to solve the problems, and provides the fixing device for the movable pulley cover of the crane lifting mechanism, which is used for reinforcing and fixing the movable pulley cover and the lifting beam lug plate, so that the influence of vibration on the whole equipment is reduced, the shutdown times are reduced, and the production efficiency is improved.
Disclosure of Invention
The utility model provides a fixing device for a movable pulley cover of a crane lifting mechanism, which is used for reinforcing and fixing the movable pulley cover and a lifting beam lug plate by arranging the fixing device, so that the gap generated by vibration is reduced, the safety production is enhanced, and the production efficiency is improved.
To achieve the above object, the present utility model provides a fixing device for a movable pulley cover of a crane lifting mechanism, comprising: the movable pulley cover is drum-shaped, the movable pulley cover comprises a first cover, a second cover and a third cover, the second cover comprises a first middle cover and a second middle cover, the first cover and the third cover are same in size and shape and are in a round table shape, a hollow part facing the second cover is arranged at the first cover, a hollow part facing the second cover is arranged at the third cover, round holes are formed in the outer facing surfaces of the first cover and the third cover, and the second cover is cylindrical; the connecting flange is in a circular ring shape, a plurality of bolt connecting holes are distributed on the connecting flange along the circle center near the boundary of the connecting flange, the connecting flange comprises a first connecting flange, a second connecting flange, a third connecting flange and a fourth connecting flange, the first connecting flange is arranged on the end face of the first cover opposite to the end face of the second cover, the second connecting flange is arranged on the end face of the second cover opposite to the first cover, the third connecting flange is arranged on the end face of the second cover opposite to the third cover, and the fourth connecting flange is arranged on the end face of the third cover opposite to the second cover; the first ear plate is arranged between the first connecting flange of the first cover and the second connecting flange of the second cover, and the second ear plate is arranged between the third connecting flange of the second cover and the fourth connecting flange of the third cover; and the fixing flange is in a circular ring shape, the fixing flange comprises a first semicircular fixing flange and a second semicircular fixing flange, the first semicircular fixing flange and the second semicircular fixing flange are in a semicircular ring shape, a plurality of threaded holes are distributed in the fixing flange along the circle center and correspond to the bolt connection holes of the connecting flange, the fixing flange comprises a first fixing flange, a second fixing flange, a third fixing flange and a fourth fixing flange, the first fixing flange and the second fixing flange are arranged on two opposite side surfaces of the first lug plate and are in contact with the first connecting flange and the second connecting flange, and the third fixing flange and the fourth fixing flange are arranged on two opposite side surfaces of the second lug plate and are in contact with the third connecting flange and the fourth connecting flange.
Further, the thickness of the fixing flange is 16mm.
Furthermore, the threaded holes formed in the fixing flange are of M16 specifications.
Further, the diameter of the bolt connection hole formed by the connecting flange is 17.5mm.
Further, the fixing device for the movable pulley cover of the crane lifting mechanism further comprises a bolt and a gasket, wherein the bolt and the gasket are used for fixing a first connecting flange, a first fixing flange, a first lug plate, a second fixing flange and a second connecting flange on the second cover on the movable pulley cover, and the bolt and the gasket are used for fixing a third connecting flange, a third fixing flange, a second lug plate, a fourth fixing flange and a fourth connecting flange on the third cover on the second cover on the movable pulley cover.
Compared with the prior art, the embodiment of the utility model provides the fixing device for the movable pulley cover of the crane lifting mechanism, the fixing device is arranged on the original movable pulley cover, the fixing flanges are arranged on two opposite sides of the lug plate, the connecting flanges are arranged on the first cover, the second cover and the third cover of the movable pulley cover, and the connecting flanges of the movable pulley cover and the fixing flanges on the lug plate are fixed by increasing the diameter of the threaded hole and selecting the bolt with high strength, so that the influence of vibration on the whole equipment is reduced, the generation of gaps is prevented, the shutdown times are reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a fixture for a movable sheave cover of a crane hoist;
FIG. 2 is a schematic diagram of the assembly of the connecting flange in the fixture for the movable pulley cover of the crane hoisting mechanism of the present utility model;
FIG. 3 is a schematic view of the structure of the connecting flange in the fixing device for the movable pulley cover of the crane hoisting mechanism;
FIG. 4 is a schematic view of the structure of the fixing flange in the fixing device for the pulley cover of the crane lifting mechanism
FIG. 5 is a schematic view of a partially enlarged structure of the fixture of FIG. 1 for a movable sheave cover of a crane hoist; and
fig. 6 is a partial schematic view of the attachment flange of the fixture for the pulley cover of the crane hoist shown in fig. 2, assembled (axially displaced outwardly).
Reference numerals:
1. a movable pulley cover; 101. a first cover; 102. a second cover; 103. a third cover; 1021. a first intermediate cover; 1022. a second intermediate cover;
2. a connecting flange; 201. a first connection flange; 202. a second connection flange; 203. a third connecting flange; 204. a fourth connecting flange; 205. an original connecting flange; 206. a bolt connection hole; 3. ear plates; 301. a first ear plate; 302. a second ear plate;
4. a fixed flange; 401. a first fixed flange; 402. a second fixed flange; 403. a third fixed flange; 404. a fourth fixed flange; 405. a first semicircular fixing flange; 406. a second semicircular fixing flange; 407. a threaded hole;
5. a hook beam; 6. a gasket; 7. a bolt; D1. and (5) reducing the distance.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
As shown in fig. 1, a fixing device for a pulley cover of a crane lifting mechanism according to an embodiment of the present utility model includes: the pulley cover 1, the pulley cover 1 is drum-shaped, the pulley cover 1 comprises a first cover 101, a second cover 102 and a third cover 103, the second cover 102 comprises a first middle cover 1021 and a second middle cover 1022, the first cover 101 and the third cover 103 are same in size and shape and are in a round table shape, a hollow part is arranged at the position, facing the second cover 102, of the first cover 101, a hollow part is arranged at the position, facing the second cover 102, of the third cover 103, round holes are arranged on the outer facing surfaces of the first cover 101 and the third cover 103, and the second cover 102 is cylindrical, and the pulley cover 1 is cylindrical; the movable pulley cover consists of a first cover, a second cover and a third cover, a plurality of movable pulleys are arranged in the movable pulley cover, one end of a shaft penetrates through a round hole of the first cover, round holes of each movable pulley, the second cover and round holes of the third cover, and the other end of the shaft penetrates out of the round holes of the third cover, so that the movable pulleys and the movable pulley cover are ensured to move simultaneously;
as shown in fig. 3, the connecting flange 2 is in a ring shape, a plurality of bolt connecting holes 206 are distributed on the connecting flange 2 along the circle center near the boundary of the connecting flange, the connecting flange 2 comprises a first connecting flange 201, a second connecting flange 202, a third connecting flange 203 and a fourth connecting flange 204, the first connecting flange 201 is arranged on the end face of the first cover 101 opposite to the end face of the second cover 102, the second connecting flange 202 is arranged on the end face of the second cover 102 opposite to the first cover 101, the third connecting flange 203 is arranged on the end face of the second cover 102 opposite to the third cover 103, and the fourth connecting flange 204 is arranged on the end face of the third cover 103 opposite to the second cover 102; an ear plate 3, the ear plate 3 including a first ear plate 301 and a second ear plate 302, the first ear plate 301 being disposed between the first connection flange 201 of the first cover 101 and the second connection flange 202 of the second cover 102, the second ear plate 302 being disposed between the third connection flange 103 of the second cover 102 and the fourth connection flange of the third cover 103; as shown in fig. 4, and the fixing flange 4, the fixing flange 4 is in a circular shape, the fixing flange 4 comprises a first semicircular fixing flange 405 and a second semicircular fixing flange 406, the first semicircular fixing flange 405 and the second semicircular fixing flange 406 are in a semicircular shape, a plurality of threaded holes 407 are distributed on the circle center of the fixing flange 4 along with the circle center to correspond to the bolt connection holes 206 of the connecting flange 2, the fixing flange 4 comprises a first fixing flange 401, a second fixing flange 402, a third fixing flange 403 and a fourth fixing flange 404, the first fixing flange 401 and the second fixing flange 402 are provided on two opposite sides of the first lug plate 301 and are in contact with the first connecting flange 201 and the second connecting flange 202, and the third fixing flange 403 and the fourth fixing flange 404 are provided on two opposite sides of the second lug plate 302 and are in contact with the third connecting flange 103 and the fourth connecting flange 104.
As shown in fig. 6, the connecting flange 2 of the pulley cover 1 is shortened by D1 in the direction opposite to the connecting end face for attaching the fixing flange 4, and the thickness of the fixing flange 4 is 16mm. Through setting up flange 4 at flange 2 and otic placode 3, when the movable pulley cover was in the locking state, the equipment produced vibration when operation was transmitted a part of force to flange, prevented that the junction from producing not hard up.
As shown in fig. 4, the screw holes on the fixing flange are M16-sized.
As shown in fig. 3, the diameter of the threaded connection hole provided by the connection flange is 17.5mm.
As shown in fig. 5, the fixing device for a pulley cover of a crane hoisting mechanism further comprises a bolt 7 and a washer 6, wherein the bolt 7 and the washer 6 are used for fixing a first connecting flange 201 on a first cover 101, a first fixing flange 401, a first lug 301, a second fixing flange 402 and a second connecting flange 202 on a second cover 102 on the pulley cover 1, and the bolt 7 and the washer 6 are used for fixing a third connecting flange 203, a third fixing flange 403, a second lug 302, a fourth fixing flange 404 and a fourth connecting flange 204 on the third cover 103 on the second cover 102 on the pulley cover 1.
When the assembly, on not changing original movable pulley cover length, shorten certain distance in original flange junction to the axial direction who keeps away from junction and be used for connecting flange, set up first flange, second flange, third flange and fourth flange on first cover, second cover and third cover, the position that needs location flange this moment, splice flange's first semicircle flange and second semicircle flange, use bolt fastening flange and flange, after confirming the fixed position of otic placode, weld otic placode and flange together for the both sides face that the otic placode is relative all in flange welded fastening. The first fixing flange, the first lug plate and the second fixing flange are fixedly connected, and the third fixing flange, the second lug plate and the fourth fixing flange are fixedly connected.
According to the utility model, the fixing device is arranged, the fixing flange is fixed with the lug plate, the bolt connecting hole of the connecting flange corresponds to the threaded hole of the fixing flange, when the movable pulley cover is assembled, the connecting flange is connected with the fixing flange through the bolt and the gasket, and the fixing flange is welded and fixed with the lug plate, so that the integral assembly of the movable pulley cover is ensured, the friction between components is improved, and the stress surface of connection is increased. In the utility model, the larger screw hole specification is adopted, so that the strength of the bolt is improved, the resistance of connection is enhanced by increasing the screw pitch, and the stability of equipment connection is further improved.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer" orientation or positional relationship are merely for convenience of description and to simplify the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (5)
1. A fixing device for hoist hoisting mechanism moves pulley cover includes:
the movable pulley cover is drum-shaped, the movable pulley cover comprises a first cover, a second cover and a third cover, the second cover comprises a first middle cover and a second middle cover, the first cover and the third cover are same in size and shape and are in a round table shape, a hollow part facing the second cover is arranged at the first cover, a hollow part facing the second cover is arranged at the third cover, round holes are formed in the outer facing surfaces of the first cover and the third cover, and the second cover is cylindrical;
the fixing device for the movable pulley cover of the crane lifting mechanism is characterized by further comprising:
the connecting flange is in a circular ring shape, a plurality of bolt connecting holes are distributed on the connecting flange along the circle center near the boundary of the connecting flange, the connecting flange comprises a first connecting flange, a second connecting flange, a third connecting flange and a fourth connecting flange, the first connecting flange is arranged on the end face of the first cover opposite to the end face of the second cover, the second connecting flange is arranged on the end face of the second cover opposite to the first cover, the third connecting flange is arranged on the end face of the second cover opposite to the third cover, and the fourth connecting flange is arranged on the end face of the third cover opposite to the second cover;
the first ear plate is arranged between the first connecting flange of the first cover and the second connecting flange of the second cover, and the second ear plate is arranged between the third connecting flange of the second cover and the fourth connecting flange of the third cover; and
the flange, the flange is circular, the flange includes first semicircle flange and second semicircle flange, first semicircle flange with the second semicircle flange is semicircle annular, the flange along the centre of a circle distribute have a plurality of screw holes with flange's bolted connection hole is corresponding, the flange includes first flange, second flange, third flange and fourth flange, first flange with the second flange sets up the opposite both sides face of first otic placode and with first flange with second flange contacts, third flange with fourth flange sets up the opposite both sides face of second otic placode and with third flange with fourth flange contacts.
2. The fixture for a crane hoist trolley housing of claim 1, wherein the thickness of the mounting flange is 16mm.
3. The fixture for a movable pulley cover of a crane hoisting mechanism according to claim 1, wherein the threaded hole formed in the fixing flange is M16.
4. The fixing device for a movable pulley cover of a crane lifting mechanism according to claim 1, wherein the diameter of the bolt connection hole of the connection flange is 17.5mm.
5. The fixture for a traveling block cover of a crane hoist as claimed in claim 1, further comprising bolts and washers for securing a first attachment flange on a first cover, a first attachment flange, a first lug plate, a second attachment flange on a second cover, and a second attachment flange on a second cover, the bolts and washers for securing a third attachment flange, a second lug plate, a fourth attachment flange, and a fourth attachment flange on a third cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320695968.5U CN219689148U (en) | 2023-04-03 | 2023-04-03 | Fixing device for movable pulley cover of crane lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320695968.5U CN219689148U (en) | 2023-04-03 | 2023-04-03 | Fixing device for movable pulley cover of crane lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219689148U true CN219689148U (en) | 2023-09-15 |
Family
ID=87944093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320695968.5U Active CN219689148U (en) | 2023-04-03 | 2023-04-03 | Fixing device for movable pulley cover of crane lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219689148U (en) |
-
2023
- 2023-04-03 CN CN202320695968.5U patent/CN219689148U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |