CN104891323A - Device and method for rapid replacement of lower connecting shaft of horizontal rolling mill - Google Patents
Device and method for rapid replacement of lower connecting shaft of horizontal rolling mill Download PDFInfo
- Publication number
- CN104891323A CN104891323A CN201510241085.7A CN201510241085A CN104891323A CN 104891323 A CN104891323 A CN 104891323A CN 201510241085 A CN201510241085 A CN 201510241085A CN 104891323 A CN104891323 A CN 104891323A
- Authority
- CN
- China
- Prior art keywords
- anchor ear
- hitch
- shaft
- horizontal mill
- bottom spindle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
Abstract
The invention provides a device and method for rapid replacement of a lower connecting shaft of a horizontal rolling mill. The device comprises suspension mechanisms and driving mechanisms, wherein the suspension mechanisms are used for being movably arranged on an upper connecting shaft of the horizontal rolling mill, and the driving mechanisms are arranged on the suspension mechanisms and are used for driving the suspension mechanisms to move on the upper connecting shaft of the horizontal rolling mill. The analysis result shows that the lower connecting shaft can be replaced rapidly and efficiently, and the purposes that the operation difficulty is reduced, and the labor efficiency is improved are achieved.
Description
Technical field
The present invention relates to rolling machinery field, or rather, the present invention be more particularly directed to a kind of device and method of quick-replaceable horizontal mill bottom spindle.
Background technology
In steel rolling equipment, horizontal mill application is comparatively extensive, and horizontal mill generally adopts upper and lower two universal-joint spindles to drive roll, and because universal-joint spindle sleeve and roller palm are free-running fit, and roll-force is comparatively large, and universal-joint spindle needs regularly to change.At present, as shown in Figure 1, upper joint-shaft 4, bottom spindle 5 are all connected between reductor catcher 7, one shaft sleeve 6, and upper joint-shaft 4 is positioned at above bottom spindle 5 for the upper joint-shaft 4 of horizontal mill, the position relationship of bottom spindle 5.When changing horizontal mill bottom spindle 5, due to the obstruction of upper joint-shaft 4, driving 9 directly can not be used to hang bottom spindle 5, in order to change bottom spindle 5, need first upper joint-shaft 4 to be dismantled, being placed on clear position, then dismantling bottom spindle 5.This replacing options is not only wasted time and energy, and adds task difficulty.
Therefore needing a kind of solution can changing bottom spindle fast and efficiently at present badly, with when not dismantling upper joint-shaft, changing bottom spindle quickly and efficiently, reduce task difficulty, raise labour efficiency.
Summary of the invention
The object of the present invention is to provide a kind of device of quick-replaceable horizontal mill bottom spindle, the horizontal mill bottom spindle existed to solve prior art changes the large problem of difficulty.
In addition, the present invention also provides a kind of method of quick-replaceable horizontal mill bottom spindle, to solve the problem.
In order to solve the problem, technical scheme provided by the invention is as follows:
A device for quick-replaceable horizontal mill bottom spindle, it comprises: hitch, for being arranged on the upper joint-shaft of horizontal mill movably; Driver train, is located on described hitch, moves on the upper joint-shaft of horizontal mill for driving described hitch.
Preferably, in said apparatus, described hitch comprises: anchor ear, for being set in the upper joint-shaft of horizontal mill; Tie bolt, is located at the connection location of described anchor ear, for locking described anchor ear; Roller, is installed on described anchor ear, for making described anchor ear moving axially smoothly along horizontal mill upper joint-shaft.
Preferably, in said apparatus, described driver train is be installed on the sprocket wheel on described hitch.
Preferably, in said apparatus, described driver train is sprocket wheel, and the axis of described sprocket wheel is perpendicular to the axis of described anchor ear.
Preferably, in said apparatus, also comprise the rope sling for connecting described suspension gear bottom and horizontal mill bottom spindle.
Preferably, in said apparatus, described sprocket wheel is two, and is installed on described anchor ear upper outside symmetrically.
Preferably, in said apparatus, the sidewall of described anchor ear is provided with mounting hole, and described roller is arranged in described mounting hole.
Preferably, in said apparatus, described roller axis overlaps with anchor ear thickness center line, and described roller diameter is greater than described anchor ear thickness.
Preferably, in said apparatus, also comprise the annular rope sling for connecting described tie bolt and horizontal mill bottom spindle, and the connection location of described anchor ear is positioned at the bottom of described anchor ear.
In order to solve the problem, another technical scheme provided by the invention is as follows:
Utilize a method for the quick-replaceable horizontal mill bottom spindle of above-mentioned arbitrary device, it comprises demounting procedure and installation steps, and demounting procedure comprises:
Two hitches are arranged on horizontal mill upper joint-shaft two ends.
Use rope sling to hitch bottom spindle two ends, rope sling position is corresponding up and down with hitch position.
Use rope sling to connect hitch, and make rope sling have a prestress.
Dismounting bottom spindle and reductor take between at least one take over bolt.
Driver train drives hitch to move, and two hitches are slid axially along upper joint-shaft, after the catcher bolt of reductor catcher end exposes completely, stops driver train action.
Use driving to hang rope sling, dismantle all the other catcher bolts.
Utilize milling train side joint shaft universal-joint steering-effecting, slowly below upper joint-shaft, shift out bottom spindle reductor end.
Oppositely pull sprocket wheel, another hitch is slided in outward direction, after bottom spindle sleeve exposes milling train completely, stops drag, use driving entirety to hang out bottom spindle.
Installation steps are contrary with above-mentioned demounting procedure.
Analyze known, the present invention can change bottom spindle fast and efficiently, realizes the object reducing task difficulty, raise labour efficiency.
Accompanying drawing explanation
Fig. 1 is the method schematic diagram of traditional replacing horizontal mill bottom spindle;
Fig. 2, Fig. 3 are respectively main TV structure, the schematic side view of apparatus of the present invention embodiment;
Fig. 4, Fig. 5 are respectively the application process schematic diagram of apparatus of the present invention embodiment.
In figure, 1-anchor ear; 2-rope sling; 3-tie bolt; 4-upper joint-shaft; 5-bottom spindle; 6-shaft sleeve; 7-reductor is taken over; 8-tie bolt; 9-drives a vehicle; 11-roller; 12-sprocket wheel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 2 and Figure 3, device embodiment of the present invention mainly comprises hitch, driver train.Wherein, hitch is used for the upper joint-shaft 4 being arranged on horizontal mill movably.Driver train is located on hitch, moves on the upper joint-shaft 4 of horizontal mill for driving hitch.Rope sling 2 for connecting suspension gear bottom and horizontal mill bottom spindle 5 prepares when can apply temporarily, also can prepare in advance so that better with hitch with the use of.
In the present embodiment, more as shown in Figure 2 and Figure 3, hitch comprises: anchor ear 1, tie bolt 3, roller 11.Wherein, anchor ear 1 is for being set in the upper joint-shaft 4 of horizontal mill.Tie bolt 3 is located at the connection location of anchor ear 1, for locking anchor ear 1, but also may be used for dismantling rope sling 2 easily.Roller 11 is installed on anchor ear 1, for making anchor ear 1 moving axially smoothly along the upper joint-shaft 4 of horizontal mill.Further, the sidewall of anchor ear 1 is provided with mounting hole (unmarked), and 11, roller is arranged in mounting hole; And the axis of roller 11 overlaps with anchor ear 1 thickness center line, and roller 11 diameter is greater than anchor ear 1 thickness, is convenient to roller 11 and rotates.
Preferably, driver train is the sprocket wheel 12 be installed on anchor ear 1, and the axis of sprocket wheel 12 is perpendicular to the axis of anchor ear 1.Device of the present invention is arranged on upper joint-shaft 4, position is higher, specific works process has operated in below, conveniently concrete operations, the present invention adopts sprocket wheel 12 as driver train, the working process of sprocket wheel 12 of the present invention is realized by chain (not shown), and the present invention drives roller 11 to roll by sprocket wheel 12, and concrete type of drive can be the transmissions such as umbrella tooth (not shown).
In order to balanced sequence anchor ear 1, sprocket wheel 12 is two, and is installed on anchor ear 1 upper outside (as shown in Figure 2) symmetrically.
Further, as shown in Figure 4, Figure 5, the rope sling 2 of the present embodiment is connect the bottom spindle 5 of horizontal mill and the annular rope sling of tie bolt 3, and the tie bolt 3 be connected with rope sling 2 is sitting at the bottom of anchor ear 1.
When application drawing 2, quick-replaceable horizontal mill bottom spindle embodiment illustrated in fig. 3, substantially comprise demounting procedure and installation steps, wherein, demounting procedure roughly comprises:
First, anchor ear 1 is arranged on upper joint-shaft 4 two ends.
Use rope sling 2 to hitch bottom spindle 5 two ends, the position of rope sling 2 is corresponding with anchor ear 1 position on upper joint-shaft 4.
Use tie bolt 3 to connect anchor ear 1 and rope sling 2, and make rope sling 2 slightly stressed, and rope sling 2 forms a prestress.
Dismounting bottom spindle 5 and reductor take over 7 between tie bolt 8.
Shown in Fig. 4 arrow, pull anchor ear 1 upper sprocket wheel 12, anchor ear 1 upper roller 11 is slid axially along upper joint-shaft 4, after the tie bolt 8 of reductor catcher end exposes completely, stop drag sprocket wheel 12.
Use driving 9 to hang rope sling 2, dismounting tie bolt 3, utilize milling train side joint shaft universal-joint steering-effecting, slowly below upper joint-shaft 4, shift out bottom spindle 5 reductor end, now bottom spindle 5 other end is still in another anchor ear 1.
Shown in Fig. 5 arrow, oppositely pull sprocket wheel 12, other end anchor ear 1 is slided in outward direction, after bottom spindle sleeve 6 exposes milling train completely, stops drag, use driving 9 entirety to hang out bottom spindle 5.
Installation steps are contrary with above-mentioned demounting procedure.
To sum up, the present invention arranges a pair hitch, such as anchor ear, is installed on this mechanism on upper joint-shaft, and is fixed on by bottom spindle in this mechanism, utilize chain wheel drive roller, reach by bottom spindle from reductor catcher object separately, then utilization driving quick-replaceable bottom spindle, therefore, no longer need when changing horizontal mill bottom spindle to dismantle upper joint-shaft, replacing construction used shortens greatly.In addition, the present invention also has that structure is simple, easy to operate, work efficiency high.
Compared with prior art, advantage of the present invention and beneficial effect are:
One, the present invention is without the need to dismantling upper joint-shaft, directly changes bottom spindle, and replacing construction is shortened greatly, has namely saved the time.
Two, the setting (namely comprising anchor ear, tie bolt and roller) of hitch of the present invention, can directly utilize upper joint-shaft as support component, the device of quick-replaceable horizontal mill bottom spindle provided by the invention can be made like this to have structure simple, directly utilize upper joint-shaft to make device provided by the invention easy to operate as support component simultaneously, and improve the work efficiency of replacing.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, being all casehistory, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (10)
1. a device for quick-replaceable horizontal mill bottom spindle, is characterized in that, comprising:
Hitch, for being arranged on the upper joint-shaft of horizontal mill movably;
Driver train, is located on described hitch, moves on the upper joint-shaft of horizontal mill for driving described hitch.
2. device according to claim 1, is characterized in that, described hitch comprises:
Anchor ear, for being set in the upper joint-shaft of horizontal mill;
Tie bolt, is located at the connection location of described anchor ear, for locking described anchor ear;
Roller, is installed on described anchor ear, for making described anchor ear moving axially smoothly along horizontal mill upper joint-shaft.
3. device according to claim 1, is characterized in that, described driver train is be installed on the sprocket wheel on described hitch.
4. device according to claim 2, is characterized in that, described driver train is sprocket wheel, and the axis of described sprocket wheel is perpendicular to the axis of described anchor ear.
5. device according to claim 1, is characterized in that, also comprises the rope sling for connecting described suspension gear bottom and horizontal mill bottom spindle.
6. device according to claim 4, is characterized in that, described sprocket wheel is two, and is installed on described anchor ear upper outside symmetrically.
7. device according to claim 2, is characterized in that, the sidewall of described anchor ear is provided with mounting hole, and described roller is arranged in described mounting hole.
8. device according to claim 7, is characterized in that, described roller axis overlaps with anchor ear thickness center line, and described roller diameter is greater than described anchor ear thickness.
9. device according to claim 2, is characterized in that, also comprise the annular rope sling for connecting described tie bolt and horizontal mill bottom spindle, and the connection location of described anchor ear is positioned at the bottom of described anchor ear.
10. utilize a method for the quick-replaceable horizontal mill bottom spindle of the arbitrary described device of claim 1-9, it is characterized in that, comprise demounting procedure and installation steps, demounting procedure comprises:
Two hitches are arranged on horizontal mill upper joint-shaft two ends;
Use rope sling to hitch bottom spindle two ends, rope sling position is corresponding up and down with hitch position;
Use rope sling to connect hitch, and make rope sling have a prestress;
Dismounting bottom spindle and reductor take between at least one take over bolt;
Driver train drives hitch to move, and two hitches are slid axially along upper joint-shaft, after the catcher bolt of reductor catcher end exposes completely, stops driver train action;
Use driving to hang rope sling, dismantle all the other catcher bolts;
Utilize milling train side joint shaft universal-joint steering-effecting, slowly below upper joint-shaft, shift out bottom spindle reductor end;
Oppositely pull sprocket wheel, another hitch is slided in outward direction, after bottom spindle sleeve exposes milling train completely, stops drag, use driving entirety to hang out bottom spindle;
Installation steps are contrary with above-mentioned demounting procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510241085.7A CN104891323B (en) | 2015-05-13 | 2015-05-13 | Device and method for rapid replacement of lower connecting shaft of horizontal rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510241085.7A CN104891323B (en) | 2015-05-13 | 2015-05-13 | Device and method for rapid replacement of lower connecting shaft of horizontal rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104891323A true CN104891323A (en) | 2015-09-09 |
| CN104891323B CN104891323B (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510241085.7A Active CN104891323B (en) | 2015-05-13 | 2015-05-13 | Device and method for rapid replacement of lower connecting shaft of horizontal rolling mill |
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| Country | Link |
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| CN (1) | CN104891323B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451734A (en) * | 2020-04-08 | 2020-07-28 | 鞍钢股份有限公司 | Method for quickly and safely replacing main transmission connecting rod of rolling mill |
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| US3873201A (en) * | 1972-08-25 | 1975-03-25 | Konishiroku Photo Ind | Method of determining exposure amounts in photographic printing |
| JPS52158474U (en) * | 1976-05-25 | 1977-12-01 | ||
| CN2843646Y (en) * | 2004-12-02 | 2006-12-06 | 中色科技股份有限公司 | Direct hoister with operating and medium rollers fast replacing function for six-roller press |
| CN201046462Y (en) * | 2007-06-15 | 2008-04-16 | 中国第一重型机械集团公司 | Universal joint removing device |
| CN201458537U (en) * | 2009-07-11 | 2010-05-12 | 山西太钢不锈钢股份有限公司 | Lifting appliance special for second intermediate rolls |
| CN102275071A (en) * | 2010-06-09 | 2011-12-14 | 华锐风电科技(集团)股份有限公司 | Multifunctional platform of wind turbine and vane dismantling method |
| CN202643072U (en) * | 2012-04-27 | 2013-01-02 | 上海核工程研究设计院 | Transporting and hoisting bracket for cobalt regulating rod assemblies |
| CN202655344U (en) * | 2012-07-16 | 2013-01-09 | 安徽中杭股份有限公司 | 520 rolling mill lower roll bearing seat regulating device with improved structure |
| CN103394514A (en) * | 2013-08-15 | 2013-11-20 | 天津市荣泰新型复合材料有限公司 | Quick dismantling and replacing device for bearing pedestals of working roll |
| CN204643564U (en) * | 2015-05-13 | 2015-09-16 | 莱芜钢铁集团有限公司 | The device of quick-replaceable horizontal mill bottom spindle |
-
2015
- 2015-05-13 CN CN201510241085.7A patent/CN104891323B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873201A (en) * | 1972-08-25 | 1975-03-25 | Konishiroku Photo Ind | Method of determining exposure amounts in photographic printing |
| JPS52158474U (en) * | 1976-05-25 | 1977-12-01 | ||
| CN2843646Y (en) * | 2004-12-02 | 2006-12-06 | 中色科技股份有限公司 | Direct hoister with operating and medium rollers fast replacing function for six-roller press |
| CN201046462Y (en) * | 2007-06-15 | 2008-04-16 | 中国第一重型机械集团公司 | Universal joint removing device |
| CN201458537U (en) * | 2009-07-11 | 2010-05-12 | 山西太钢不锈钢股份有限公司 | Lifting appliance special for second intermediate rolls |
| CN102275071A (en) * | 2010-06-09 | 2011-12-14 | 华锐风电科技(集团)股份有限公司 | Multifunctional platform of wind turbine and vane dismantling method |
| CN202643072U (en) * | 2012-04-27 | 2013-01-02 | 上海核工程研究设计院 | Transporting and hoisting bracket for cobalt regulating rod assemblies |
| CN202655344U (en) * | 2012-07-16 | 2013-01-09 | 安徽中杭股份有限公司 | 520 rolling mill lower roll bearing seat regulating device with improved structure |
| CN103394514A (en) * | 2013-08-15 | 2013-11-20 | 天津市荣泰新型复合材料有限公司 | Quick dismantling and replacing device for bearing pedestals of working roll |
| CN204643564U (en) * | 2015-05-13 | 2015-09-16 | 莱芜钢铁集团有限公司 | The device of quick-replaceable horizontal mill bottom spindle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451734A (en) * | 2020-04-08 | 2020-07-28 | 鞍钢股份有限公司 | Method for quickly and safely replacing main transmission connecting rod of rolling mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104891323B (en) | 2017-04-26 |
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