CN216687117U

CN216687117U - Special electric block of hot dip galvanizing annular production line

Info

Publication number: CN216687117U
Application number: CN202220291463.8U
Authority: CN
Inventors: 高崇阳
Original assignee: Henan Reiter Technology Co ltd
Current assignee: Henan Reiter Technology Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-06-07
Anticipated expiration: 2032-02-14

Abstract

The utility model relates to a special electric hoist for a hot-dip galvanizing annular production line, which comprises an electric hoist body, wherein the electric hoist body comprises a lifting hook, a lifting device is lifted on the lifting hook, the lifting device comprises a lifting lug, two lifting ropes are symmetrically arranged on two sides of the bottom of the lifting lug, the free end of each lifting rope is provided with a clamping assembly, two groups of clamping assemblies are symmetrically arranged, each group of clamping assemblies comprises a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are horizontally arranged oppositely, the middle position of the top of the first clamping plate is fixedly connected with a lifting ring connected with the lifting ropes, a vertically distributed connecting plate can be detachably and fixedly connected between the second clamping plate and the first clamping plate, a first limiting chain is arranged between the first clamping plates of the two groups of clamping assemblies, two ends of the first limiting chain are respectively in threaded connection with the first clamping plate through threaded connectors, when the special electric hoist is used for hot-dip galvanizing a workpiece steel coil, the hot-dip galvanizing of the steel coil workpiece can be thorough, so that the hot-dip galvanizing quality of the steel coil workpiece is improved.

Description

Special electric block for hot-dip galvanizing annular production line

Technical Field

The utility model belongs to the technical field of hoisting equipment, and particularly relates to a special electric hoist for a hot-dip galvanizing annular production line.

Background

Hot dip galvanizing is one of important processing means for improving the corrosion resistance of the surface of a metal component, as shown in fig. 6, an annular rail with an i-shaped cross section is used in the existing hot dip galvanizing annular production line, and the annular rail comprises two linear rails and two arc rails, and a workpiece loading and unloading area, a pickling tank, an auxiliary agent tank, a zinc pot, a cooling tank, a passivation tank and the like used in the hot dip galvanizing production line are circumferentially distributed along the annular rail, at present, when the metal component is hoisted among the various procedures of hot dip galvanizing, an electric hoist is usually used for being matched with a hanging fence to hoist, for example, when a steel coil is hoisted, the steel coil workpiece is usually horizontally placed in the hanging fence so that the bottom of the outer surface of the steel coil workpiece is abutted against the hanging fence to fix the position of the steel coil workpiece, and then is hoisted by the electric hoist; when the steel coil workpiece needs to be subjected to hot dip galvanizing, the hanging rail and the steel coil workpiece fall into the zinc pot together through the electric hoist, and when the steel coil workpiece is subjected to hot dip galvanizing in the prior art, the outer surface, the end surface and the inner surface of the steel coil workpiece need to be subjected to hot dip galvanizing together.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric hoist special for a hot-dip galvanizing annular production line, which solves the problem that the quality of hot-dip galvanizing of a steel coil workpiece is influenced because the outer surface of the steel coil workpiece is not thoroughly hot-dip galvanized when the steel coil workpiece is hot-dip galvanized at present.

In order to solve the problems, the utility model adopts the technical scheme that:

the utility model provides a special electric block of hot dip galvanizing annular production line, includes the electric block body that can follow the annular orbit walking of hot dip galvanizing annular production line, its characterized in that: the electric block body includes the lifting hook, hoist and mount have hoist device on the lifting hook, hoist device is including hanging the lug on the lifting hook, lug bottom bilateral symmetry is provided with two lifting ropes, and every lifting rope free end all is provided with the centre gripping subassembly, and two sets of centre gripping subassembly symmetry sets up, and every centre gripping subassembly of group all includes first splint and second splint, first splint all are located second splint top and set up with second splint level is relative, the equal fixedly connected with in intermediate position at first splint top rings that are connected with the lifting rope, all can dismantle the connecting plate of the vertical distribution of fixedly connected with between second splint and the first splint, be provided with first spacing chain between the first splint of two sets of centre gripping subassemblies, first spacing chain both ends are respectively through threaded connection spare and first splint threaded connection.

Furthermore, a second limiting chain is arranged between second clamping plates of the two groups of clamping assemblies, and two ends of the second limiting chain are respectively in threaded connection with the second clamping plates through threaded connecting pieces.

Further, all set up the first screw hole that a plurality of distributes along first splint length direction equidistance on the first splint, all set up the second screw hole that a plurality of distributes along second splint length direction equidistance on the second splint, the second screw hole of every centre gripping subassembly of group equals and the position sets up relatively with first screw hole quantity, all set up by a plurality of along the first threaded through-hole that connecting plate length direction equidistance distributed on the connecting plate, the first threaded through-hole at connecting plate both ends has locking bolt with first screw hole, second screw hole threaded connection respectively.

Further, the electric hoist body comprises a walking trolley and a winding drum component positioned below the walking trolley, the winding drum component comprises a winding drum shell which is horizontally arranged, the top of the winding drum shell is fixedly connected with inverted U-shaped supports which are vertically distributed, a winding drum which is coaxially arranged with the winding drum shell is rotationally connected with the winding drum shell, one end of the winding drum is rotationally connected with a lifting motor which is arranged at the end part of the winding drum shell, a steel wire rope is also wound on the winding drum, the steel wire rope is provided with the lifting hook, the walking trolley comprises two U-shaped mounting frames which are arranged side by side, the two U-shaped mounting frames are respectively positioned above the inverted U-shaped supports, one U-shaped mounting frame is rotationally connected with a main walking wheel which is in rolling connection with the annular track, the main walking wheel is rotationally connected with a walking motor, and the other U-shaped mounting frame is rotationally connected with a secondary walking wheel which is in rolling connection with the annular track, all be provided with vertical relative distribution's connecting axle between two U type mounting bracket bottoms and the top of the type of falling U support, connecting axle bottom and the type of falling U support fixed connection, the connecting axle top rotates with U type mounting bracket to be connected.

By adopting the technical scheme, the utility model has the beneficial effects that:

the electric hoist body can travel along the annular track of the hot-dip galvanizing annular production line to adapt to the distribution mode of each procedure of the existing hot-dip galvanizing annular production line, so that a steel coil workpiece can be lifted to move among the procedures; the lifting device is arranged on the lifting hook of the electric hoist body, so that a steel coil workpiece can be clamped and fixed, specifically, the lifting lug is arranged and used for connecting the lifting hook, the lifting rope is arranged and used for connecting the clamping assembly, when the lifting hook is used, the second clamping plates are respectively abutted against the inner walls of the two ends of the steel coil workpiece, at the moment, the first clamping plate is positioned above the steel coil workpiece, then the connecting plate is moved towards the end face of the steel coil workpiece, a gap is ensured between the connecting plate and the end face of the steel coil workpiece, and finally, the two ends of the first limiting chain are respectively in threaded connection with the first clamping plates, so that the clamping and fixing of the steel coil workpiece can be completed; when the steel coil workpiece needs to be subjected to hot dip galvanizing, the clamping component and the steel coil workpiece fall into the zinc pot together through the electric hoist body until the steel coil workpiece is completely immersed into the zinc pot, at the moment, a gap is formed between the connecting plate and the end face of the steel coil workpiece, so that the hot dip galvanizing on the outer surface and the end face of the steel coil workpiece can be completed in the zinc pot, then the electric hoist body continues to drive the clamping component and the steel coil workpiece to descend, after the bottom of the outer surface of the steel coil workpiece is abutted against the inner bottom surface of the zinc pot, the clamping component continues to descend to enable the second clamping plate to be separated from the inner wall of the steel coil workpiece, at the moment, the hot dip galvanizing on the inner surface of the steel coil workpiece can be completed, after the hot dip galvanizing is completed, the clamping component is firstly lifted by utilizing the electric hoist body, and because the first limiting chain is arranged between the first clamping plates, the second clamping component can still be abutted against the inner wall of the steel coil workpiece in the lifting process, therefore, the clamping assembly can clamp and fix the steel coil workpiece after hot dip galvanizing is finished, and in general, when the hot dip galvanizing fixture is used for hot dip galvanizing the steel coil workpiece, the hot dip galvanizing of the steel coil workpiece can be thorough, so that the quality of the hot dip galvanizing of the steel coil workpiece is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is a schematic view of the present invention in a use state;

FIG. 5 is a second schematic structural view of the present invention in a use state;

FIG. 6 is a schematic view showing the structure of an endless track of a conventional hot dip coating endless line.

Reference numerals: 1. a spreader device; 11. lifting lugs; 12. a lifting rope; 13. a clamping assembly; 131. a first splint; 1311. a first threaded hole; 132. a second splint; 1321. a second threaded hole; 133. a hoisting ring; 134. a connecting plate; 1341. a threaded through hole; 135. a first limiting chain; 136. a threaded connection; 137. a second limiting chain; 138. locking the bolt; 2. an electric hoist body; 21. a hook; 22. a walking trolley; 221. a U-shaped mounting frame; 222. a main traveling wheel; 223. a slave road wheel; 23. a spool assembly; 231. a spool housing; 232. an inverted U-shaped bracket; 233. a reel; 234. a hoisting motor; 235. a wire rope; 24. a connecting shaft; 3. an annular track; 4. and (5) a steel coil workpiece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model provides an electric hoist special for a hot-dip galvanizing annular production line, which comprises an electric hoist body 2 capable of walking along an annular rail 3 of the hot-dip galvanizing annular production line, wherein the electric hoist body 2 comprises a lifting hook 21, a lifting device 1 is lifted on the lifting hook 21, the lifting device 1 comprises a lifting lug 11 hung on the lifting hook 21, two lifting ropes 12 are symmetrically arranged at two sides of the bottom of the lifting lug 11, the lifting ropes 12 are steel wire ropes, a clamping component 13 is arranged at the free end of each lifting rope 12, two groups of clamping components 13 are symmetrically arranged, each group of clamping components 13 comprises a first clamping plate 131 and a second clamping plate 132, the first clamping plate 131 is positioned above the second clamping plate 132 and horizontally arranged opposite to the second clamping plate 132, a lifting ring 133 connected with the lifting rope 12 is fixedly connected at the middle position of the top of the first clamping plate 131, and vertically distributed connecting plates 134 are detachably connected between the second clamping plate 132 and the first clamping plate 131, a first limiting chain 135 is arranged between the first clamping plates 131 of the two groups of clamping assemblies 13, two ends of the first limiting chain 135 are respectively in threaded connection with the first clamping plates 131 through threaded connectors 136, specifically, the threaded connectors 136 can be connecting bolts or connecting threaded rods, one end of each threaded connector 136 is fixedly connected with the end part of the first limiting chain 135, the other end of each threaded connector is in threaded connection with the first clamping plates 131, and the electric hoist body 2 can walk along the annular track 3 of the hot-dip galvanizing annular production line to adapt to the distribution mode of each process of the existing galvanizing annular production line, so that the steel coil workpiece 4 can be hoisted to move among the processes; the lifting device 1 is arranged on the lifting hook 21 of the electric hoist body 2 to clamp and fix the steel coil workpiece 4, specifically, the lifting lug 11 is arranged to be connected with the lifting hook 21, the lifting rope 12 is arranged to be connected with the clamping component 13, when the lifting device is used, the second clamping plates 132 are respectively abutted to the inner walls of the two ends of the steel coil workpiece 4, at the moment, the first clamping plates 131 are positioned above the steel coil workpiece 4, then the connecting plates 134 are moved to the end face position of the steel coil workpiece 4, a gap is ensured between the connecting plates 134 and the end face of the steel coil workpiece 4, and finally, the two ends of the first limiting chains 135 are respectively in threaded connection with the first clamping plates 131 to clamp and fix the steel coil workpiece 4, namely, as shown in fig. 4; when the steel coil workpiece 4 needs to be hot-dip galvanized, the clamping component 13 and the steel coil workpiece 4 fall into the zinc pot together through the electric hoist body 2 until the steel coil workpiece 4 is completely immersed into the zinc pot, at this time, because a gap is formed between the connecting plate 134 and the end surface of the steel coil workpiece 4, the hot-dip galvanizing of the outer surface and the end surface of the steel coil workpiece 4 can be completed in the zinc pot, then the electric hoist body 2 continues to drive the clamping component 13 and the steel coil workpiece 4 to descend, after the bottom of the outer surface of the steel coil workpiece 4 is abutted against the inner bottom surface of the zinc pot, the clamping component 13 continues to descend to separate the second clamping plate 132 from the inner wall of the steel coil workpiece 4 as shown in fig. 5, at this time, the hot-dip galvanizing of the inner surface of the steel coil workpiece 4 can be completed, after the hot-dip galvanizing is completed, the clamping component 13 is firstly lifted by using the electric hoist body 2, because the first limiting chain 135 is arranged between the first clamping plates 131, therefore, the clamping assembly 13 can still enable the second clamping plate 132 to be abutted against the inner wall of the steel coil workpiece 4 in the lifting process, so that the clamping assembly 13 can clamp and fix the steel coil workpiece 4 after hot-dip galvanizing is completed, and generally speaking, when the hot-dip galvanizing device is used for hot-dip galvanizing the steel coil workpiece 4, the steel coil workpiece 4 can be completely hot-dip galvanized, so that the quality of the hot-dip galvanizing of the steel coil workpiece 4 is improved.

Further, as shown in fig. 1, 4 and 5, a second limiting chain 137 is disposed between the second clamping plates 132 of the two sets of clamping assemblies 13, and two ends of the second limiting chain 137 are also in threaded connection with the second clamping plates 132 through threaded connectors 136, specifically, before the steel coil workpiece 4 is clamped and fixed by the clamping assemblies 13, one end of the second limiting chain 137 is in threaded connection with the second clamping plate 132 of one set of clamping assemblies 13, and then the other end of the second limiting chain 137 passes through the steel coil workpiece 4, and at the end of clamping and fixing the steel coil workpiece 4, the end of the second limiting chain 137 is in threaded connection with the second clamping plate 132 of the other set of clamping assemblies 13 to clamp and fix the steel coil workpiece 4; through setting up the spacing chain 137 of second, after accomplishing coil of strip work piece 4 hot dip galvanization, can further guarantee that centre gripping subassembly 13 can the centre gripping fixed coil of strip work piece 4 at the in-process that centre gripping subassembly 13 promoted.

Further, as shown in fig. 1, 4 and 5, the first clamping plate 131 is provided with a plurality of first threaded holes 1311 equidistantly distributed along the length direction of the first clamping plate 131, the second clamping plate 132 is provided with a plurality of second threaded holes 1321 equidistantly distributed along the length direction of the second clamping plate 132, the second threaded holes 1321 of each group of clamping components 13 are equal in number and opposite in position to the first threaded holes 1311, the connecting plate 134 is provided with a plurality of threaded through holes 1341 equidistantly distributed along the length direction of the connecting plate 134, the threaded through holes 1341 at two ends of the connecting plate 134 are respectively in threaded connection with the first threaded holes 1311 and the second threaded holes 1321 with the locking bolts 138, and by such arrangement, the connecting plate 134 can be detachably and fixedly connected, i.e., in threaded connection, with the first clamping plate 131 and the second clamping plate 132; on the other hand, the clamping space formed by the connecting plate 134, the first clamping plate 131 and the second clamping plate 132 can also be adjusted to improve the stability of the clamping assembly 13 in clamping and fixing the steel coil workpiece 4.

As shown in fig. 6, since the annular rail 3 used in the hot dip galvanizing annular production line includes two linear rails and two arc rails, the electric hoist body 2 needs to transit between the linear rails and the arc rails, i.e. turn, in the process of moving along the annular rail 3, so as to facilitate the electric hoist body 2 to turn on the annular rail 3, as shown in fig. 1, 3 to 5, the electric hoist body 2 includes a traveling trolley 22 and a reel assembly 23 located below the traveling trolley 22, the reel assembly 23 includes a horizontally arranged reel housing 231, a vertically distributed inverted U-shaped bracket 232 is fixedly connected to the top of the reel housing 231, a reel 233 coaxially arranged with the reel housing 231 is rotatably connected to the reel housing 231, one end of the reel 233 is rotatably connected to a lifting motor 234 installed at the end of the reel housing 231, a steel wire rope 235 is wound on the reel 233, the lifting hook 21 is arranged on the steel wire rope 235, and the hoisting motor 234 is a forward and reverse rotating motor which is a power source for rotating the winding drum 233, so that the winding drum assembly 23 can drive the lifting hook 21 to lift, and the lifting device 1 is driven to lift; the traveling trolley 22 comprises two U-shaped mounting frames 221 arranged side by side, the two U-shaped mounting frames 221 are respectively positioned above the inverted U-shaped supports 232, one U-shaped mounting frame 221 is rotatably connected with a main traveling wheel 222 in rolling connection with the annular track 3, the main traveling wheel 222 is rotatably connected with a traveling motor, the other U-shaped mounting frame 221 is rotatably connected with an auxiliary traveling wheel 223 in rolling connection with the annular track 3, vertically and oppositely distributed connecting shafts 24 are respectively arranged between the bottoms of the two U-shaped mounting frames 221 and the top of the inverted U-shaped support 232, the bottom ends of the connecting shafts 24 are fixedly connected with the inverted U-shaped supports 232, the top ends of the connecting shafts 24 are rotatably connected with the U-shaped mounting frames 221, through the arrangement, when the electric hoist body 2 turns on the annular track 3, the two U-shaped mounting frames 221 can respectively rotate relative to the inverted U-shaped supports 232, so that the main traveling wheel 222 and the auxiliary traveling wheel 223 can turn on the annular track 3 conveniently, and then the walking wheel is blocked when the transition between the linear track and the arc track.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be covered by the appended claims. The scope of the utility model is defined by the appended claims and equivalents.

Claims

1. The utility model provides a special electric block of hot dip galvanizing annular production line, includes the electric block body that can follow the annular orbit walking of hot dip galvanizing annular production line, its characterized in that: the electric block body includes the lifting hook, hoist and mount have hoist device on the lifting hook, hoist device is including hanging the lug on the lifting hook, lug bottom bilateral symmetry is provided with two lifting ropes, and every lifting rope free end all is provided with the centre gripping subassembly, and two sets of centre gripping subassembly symmetry sets up, and every centre gripping subassembly of group all includes first splint and second splint, first splint all are located second splint top and set up with second splint level is relative, the equal fixedly connected with in intermediate position at first splint top rings that are connected with the lifting rope, all can dismantle the connecting plate of the vertical distribution of fixedly connected with between second splint and the first splint, be provided with first spacing chain between the first splint of two sets of centre gripping subassemblies, first spacing chain both ends are respectively through threaded connection spare and first splint threaded connection.

2. The special electric hoist for hot-dip galvanizing ring production line according to claim 1, characterized in that: and a second limiting chain is arranged between the second clamping plates of the two groups of clamping assemblies, and two ends of the second limiting chain are respectively in threaded connection with the second clamping plates through threaded connecting pieces.

3. The special electric hoist for hot-dip galvanizing ring production line according to the claim 2, characterized in that: all set up the first screw hole that a plurality of distributes along first splint length direction equidistance on the first splint, all set up the second screw hole that a plurality of distributes along second splint length direction equidistance on the second splint, the second screw hole of every group centre gripping subassembly equals and the position sets up relatively with first screw hole quantity, all set up by a plurality of along the screw through-hole that connecting plate length direction equidistance distributed on the connecting plate, the screw through-hole at connecting plate both ends has locking bolt with first screw hole, second screw hole threaded connection respectively.

4. The special electric hoist for hot-dip galvanizing ring production line according to claim 1, characterized in that: the electric hoist body comprises a walking trolley and a winding drum component positioned below the walking trolley, the winding drum component comprises a winding drum shell which is horizontally arranged, the top of the winding drum shell is fixedly connected with inverted U-shaped supports which are vertically distributed, a winding drum which is coaxially arranged with the winding drum shell is rotationally connected with the winding drum shell, one end of the winding drum is rotationally connected with a lifting motor which is arranged at the end part of the winding drum shell, a steel wire rope is also wound on the winding drum, the steel wire rope is provided with a lifting hook, the walking trolley comprises two U-shaped mounting frames which are arranged side by side, the two U-shaped mounting frames are respectively positioned above the inverted U-shaped supports, one U-shaped mounting frame is rotationally connected with a main walking wheel which is in rolling connection with the annular track, the main walking wheel is rotationally connected with the internal rotation walking motor, and the other U-shaped mounting frame is connected with a secondary walking wheel which is in rolling connection with the annular track, all be provided with vertical relative distribution's connecting axle between two U type mounting bracket bottoms and the top of the type of falling U support, connecting axle bottom and the type of falling U support fixed connection, the connecting axle top rotates with U type mounting bracket to be connected.