Rolling mill frame lifting clamp
阅读说明：本技术 轧机机架吊装夹具 (Rolling mill frame lifting clamp ) 是由 徐冰 魏尚起 于春亮 于 2019-09-27 设计创作，主要内容包括：本申请提供了一种轧机机架吊装夹具,属于冶金工程技术领域。轧机机架吊装夹具包括：上吊装件,所述上吊装件用于连接吊钩；下吊装件,所述下吊装件与所述上吊装件可转动连接,所述下吊装件设有可调的夹持空间并用于夹装所述轧机机架。下吊装件可根据轧机机架的尺寸进行选择替换,适用性更广。还设置有销轴锁紧装置,便于上吊装件与下吊装件的可拆卸连接。本申请提供的轧机机架吊装夹具,实现了对没有吊耳的轧机机架无法吊装的问题,该吊装夹具具有适用范围广,可重复使用,连接结构强度稳定、可靠且操作简单等优点。(The application provides a rolling mill frame stone tongs belongs to metallurgical engineering technical field. The rolling mill frame stone tongs includes: the lifting piece is used for connecting a lifting hook; the lower lifting piece is rotatably connected with the upper lifting piece, and the lower lifting piece is provided with an adjustable clamping space and used for clamping the rolling mill frame. The lower hoisting piece can be selectively replaced according to the size of the rolling mill frame, and the applicability is wider. Still be provided with round pin axle locking device, be convenient for go up hoist and mount piece and the dismantlement of hoisting down the piece is connected. The application provides a rolling mill frame stone tongs has realized the problem to the unable hoist and mount of rolling mill frame that does not have the lug, and this stone tongs has application scope extensively, repeatedly usable, and connection structure intensity is stable, reliable and easy operation's advantage.)
1. A rolling mill stand stone tongs which characterized in that includes:
the lifting piece is used for connecting a lifting hook;
the lower lifting piece is rotatably connected with the upper lifting piece, and the lower lifting piece is provided with an adjustable clamping space and used for clamping the rolling mill frame.
2. The mill stand lifting clamp of claim 1, wherein the lifting member comprises:
the lifting hook comprises at least two connecting plates, wherein each connecting plate is provided with a first through hole and a second through hole, the two connecting plates are arranged in parallel, the first through holes in the connecting plates are correspondingly arranged, the two first through holes are used for the passing of the lifting hook, and the second through holes in the connecting plates are coaxial and are used for being rotatably connected with the lower lifting piece;
and two ends of the upper locking plate are detachably connected with the two connecting plates respectively.
3. The rolling mill stand lifting clamp according to claim 2, wherein the upper lifting piece and the lower lifting piece are rotatably connected through a pin shaft, the two connecting plates comprise a first connecting plate and a second connecting plate, and the pin shaft is arranged on the first connecting plate in a penetrating manner;
and the pin shaft can slide along the axial direction of the first connecting plate relative to the first connecting plate.
4. The roll stand lifting clamp according to claim 3, wherein the upper locking plate and the two connecting plates are respectively bolted.
5. The roll stand stone tongs of claim 3 further comprising a pin locking device, the pin locking device comprising:
the shell is fixed on the outer side face of the first connecting plate, one side of the shell, facing the first connecting plate, is opened, the other side of the shell is provided with a mounting hole, and an internal thread is formed in the mounting hole;
the adjustable threaded rod is provided with an external thread matched with the internal thread of the first mounting hole and penetrates through the mounting holes respectively;
and the adjustable threaded rod is screwed to push the pin shaft to move towards the direction of the second connecting plate to penetrate through the lower hoisting piece, so that the connection between the upper hoisting piece and the lower hoisting piece is realized.
6. The mill stand lifting clamp of claim 5, wherein the housing is removably attached to the lifting member via a bolt.
7. The rolling mill stand lifting clamp according to claim 6, wherein at least two threaded holes are formed in one side of the second mounting hole in the housing, and the housing is connected to the lifting member through at least two bolts.
8. The mill stand lifting clamp of claim 7, wherein the lower lifting member comprises:
the replaceable lifting lug is provided with a pin shaft hole and is detachably connected to the upper lifting piece through the pin shaft;
the two I-shaped plates are respectively clamped and connected to two opposite sides of the replaceable lifting lug, the two I-shaped plates are arranged in parallel, and a preset distance is reserved between the two I-shaped plates;
and the lower locking plate is respectively connected with the two I-shaped plates.
9. The rolling mill stand lifting clamp according to claim 8, wherein the I-shaped plate includes a plurality of stiffened plates.
10. The roll stand lifting clamp according to claim 9, wherein each i-plate is detachably connected to the replaceable lifting lug and the lower locking plate by bolts.
Technical Field
The invention belongs to the technical field of metallurgical engineering, and particularly relates to a replaceable rolling mill stand hoisting clamp.
Background
At present, the rolling mill frame in many hot rolling projects is not provided with lifting lugs in the support process. The traditional hoisting method is to bind and hoist the frame by using a steel wire rope; or a special lifting appliance is adopted to lift several families. The special lifting appliance has limited application range and cannot be universally used for different rolling mill stands.
Disclosure of Invention
In view of the above, the present invention provides a lifting clamp for a rolling mill stand, so as to solve the problem that the lifting clamp for lifting a rolling mill stand is not universal.
The application provides a rolling mill frame stone tongs, includes:
the lifting piece is used for connecting a lifting hook;
the lower lifting piece is rotatably connected with the upper lifting piece, and the lower lifting piece is provided with an adjustable clamping space and used for clamping the rolling mill frame.
Preferably, said hoist comprises:
the lifting hook comprises at least two connecting plates, wherein each connecting plate is provided with a first through hole and a second through hole, the two connecting plates are arranged in parallel, the first through holes in the connecting plates are correspondingly arranged, the two first through holes are used for the passing of the lifting hook, and the second through holes in the connecting plates are coaxial and are used for being rotatably connected with the lower lifting piece;
and two ends of the upper locking plate are detachably connected with the two connecting plates respectively.
Preferably, the upper hoisting part and the lower hoisting part are rotatably connected through a pin shaft, the two connecting plates comprise a first connecting plate and a second connecting plate, and the pin shaft penetrates through the first connecting plate;
and the pin shaft can slide along the axial direction of the first connecting plate relative to the first connecting plate.
Preferably, the upper locking plate and the two connecting plates are respectively connected through bolts.
Preferably, rolling mill frame stone tongs still includes round pin axle locking device, round pin axle locking device includes:
the shell is fixed on the outer side face of the first connecting plate, one side of the shell, facing the first connecting plate, is opened, the other side of the shell is provided with a mounting hole, and an internal thread is formed in the mounting hole;
the adjustable threaded rod is provided with an external thread matched with the internal thread of the first mounting hole and penetrates through the mounting holes respectively;
and the adjustable threaded rod is screwed to push the pin shaft to move towards the direction of the second connecting plate to penetrate through the lower hoisting piece, so that the connection between the upper hoisting piece and the lower hoisting piece is realized.
Preferably, the housing is detachably connected to the hoist via a bolt.
Preferably, one side of the second mounting hole on the shell is provided with at least two threaded holes, and the shell is connected to the hoisting piece through at least two bolts.
Preferably, said lower sling comprises:
the replaceable lifting lug is provided with a pin shaft hole and is detachably connected to the upper lifting piece through the pin shaft;
the two I-shaped plates are respectively clamped and connected to two opposite sides of the replaceable lifting lug, the two I-shaped plates are arranged in parallel, and a preset distance is reserved between the two I-shaped plates;
and the lower locking plate is respectively connected with the two I-shaped plates.
Preferably, the i-plate comprises a plurality of stiffened plates.
Preferably, each i-shaped plate and the replaceable lifting lug, and each i-shaped plate and the lower locking plate are detachably connected by bolts.
The application has the following beneficial effects:
the application provides a rolling mill frame stone tongs has realized the problem to the unable hoist and mount of rolling mill frame that does not have the lug, and this stone tongs has application scope extensively, repeatedly usable, and connection structure intensity is stable, reliable and easy operation's advantage.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a front view of a roll stand lifting clamp according to an embodiment of the present invention;
FIG. 2 is a side view of a rolling mill stand lifting clamp according to an embodiment of the present invention;
figure 3 is a front view of a hoist according to an embodiment of the invention;
figure 4 is an installation effect diagram of a side view of the sling provided according to an embodiment of the invention;
fig. 5 is a schematic structural diagram of a pin locking device provided according to an embodiment of the present invention;
figure 6 is a front view of a lower sling according to an embodiment of the invention;
figure 7 is a side view of a lower sling according to an embodiment of the invention;
FIG. 8 is a front view of an I-shaped plate provided in accordance with an embodiment of the present invention;
FIG. 9 is a side view of an I-shaped plate provided in accordance with an embodiment of the present invention;
fig. 10 is an effect view of hoisting a rolling stand according to an embodiment of the present invention.
Wherein, 1-an upper hoisting part, 2-a lifting hook, 3-a pin shaft locking device, 4-a lower hoisting part, 5-a pin shaft, 6-a rolling mill frame and 7-a hoisting beam;
11-first through hole, 12-second through hole, 13-upper locking plate;
31-shell, 32-adjustable threaded rod;
41-replaceable lifting lugs, 42-I-shaped plates, 43-lower locking plates and 421-ribbed plates.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
As shown in fig. 1 and 2, the present application provides a lifting clamp for a rolling mill stand 6, comprising: the lifting device comprises a
In this embodiment, as shown in figure 3, said
In this embodiment, as shown in fig. 1 and fig. 2, the upper hoisting
In this embodiment, the
In this embodiment, as shown in fig. 4 and 5, the roll stand 6 lifting jig further includes a
It should be understood by those skilled in the art that the
In this embodiment, the
As shown in fig. 4, the
In this embodiment, as shown in figures 6 to 9, the
The replaceable lifting lugs 41 can be replaced, so that the lifting lugs with different sizes can be conveniently installed, the I-shaped
In this embodiment, the i-shaped
The concrete implementation method for installing the hoisting clamp comprises the steps of firstly installing the lifting hooks 2 into the two first through
The application provides a 6 stone tongs of rolling mill frame has realized the problem to the unable hoist and mount of rolling mill frame 6 that does not have the lug, and this stone tongs has application scope extensively, repeatedly usable, and connection structure intensity is stable, reliable and easy operation's advantage.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
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