CN101530862B - Core rod precooling device - Google Patents
Core rod precooling device Download PDFInfo
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- CN101530862B CN101530862B CN200910049113XA CN200910049113A CN101530862B CN 101530862 B CN101530862 B CN 101530862B CN 200910049113X A CN200910049113X A CN 200910049113XA CN 200910049113 A CN200910049113 A CN 200910049113A CN 101530862 B CN101530862 B CN 101530862B
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- cooler bin
- loam cake
- core rod
- lower box
- switching mechanism
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Abstract
The invention relates to a core rod precooling device, comprising a frame, an upper cover of a cooling tank, a lower tank body of the cooling tank, a water spray device of an upper tank body, a water spray device of the lower tank body and the core rod. The precooling device also comprises a rotating shaft arranged on one side of the precooling device, a turnover mechanism which is in transmission connection with the upper cover of the cooling tank, a locking mechanism, a compressed air curtain, two shaft couplings and two limit switches, wherein the upper cover of the cooling tank and the rotating shaft are connected with the turnover mechanism through the shaft couplings so as to realize opening of the upper cover of the cooling tank under drive of the turnover mechanism; the upper cover of the cooling tank is locked with the lower tank body of the cooling tank through the locking mechanism; the compressed air curtain is arranged on the upper cover of the cooling tank to protect water from spilling; the limit switches are connected with the turnover mechanism through lines so as to detect whether a turnover action of the turnover mechanism is on the right position or not. The core rod precooling device is applicable to core rod precooling on a steel tube hot rolling production line, so that the requirement of production process is fulfilled, overhauling and maintenance of equipment are convenient, and safety and reliability are ensured in production.
Description
Technical field
The present invention relates to steel pipe rolling production, relate in particular to a kind of core rod precooling device on the steel pipe hot rolling line.
Background technology
In the steel pipe rolling process, in order to increase the plug life-span, guarantee steel pipe rolling quality and required precision, plug needs the plug of cooling recovery in time mechanical performance after taking off rod.
Because plug takes off the rod back need be through one section very long roller-way to plug tank cooling-cycle device, the plug mechanical performance can be subjected to very big influence in the roller-way course of conveying.Therefore increase core rod precooling device after plug takes off excellent chain, before entering the tank cooling-cycle device, water spray carries out precooling in advance, to improve the plug cooling effect to plug.
Present widely used core rod precooling device is the fixed cooling device of German SMS-MEER company design, and following some shortcomings are arranged on its structure:
1, appearance is embraced rod pipe phenomenon or when changing old plug, is easy to be broken;
2, overhaul of the equipments and replacing nozzle inconvenience;
3, cooling water easily spills.
Summary of the invention
In order to solve the problems of the technologies described above, task of the present invention provides a kind of improved core rod precooling device, its two cooler bin loam cakes can be opened and be closed under same turning device drives simultaneously, when occur embracing rod pipe phenomenon or changing old plug, only need the cooler bin loam cake just opened and can not broken, give overhaul of the equipments and change nozzle and bring great convenience; Also have, each cooler bin loam cake import and export is provided with air curtain, and cooling water can not spill in the time of guaranteeing that cooler bin in working order.
Technical solution of the present invention is as follows:
A kind of core rod precooling device, it comprises support, cooler bin loam cake, cooler bin lower box, the upper box water injector, lower box water injector, and plug, it also comprises the rotating shaft that is installed in this pre-cooler one side, switching mechanism with cooler bin loam cake driving coupling, retaining mechanism, compressed air curtain, and two shaft couplings and two limit switches;
Described cooler bin loam cake and rotating shaft connect with switching mechanism by shaft coupling, and realization cooler bin loam cake is opened under the driving of switching mechanism;
Described cooler bin loam cake is realized and the locking of cooler bin lower box by retaining mechanism;
Described compressed air curtain is arranged on and covers on the cooler bin to prevent that water from spilling;
Whether described limit switch connects with switching mechanism by circuit, put in place to detect the switching mechanism rotary movement.
The present invention takes following further technical measures:
Described cooler bin loam cake is under the driving of switching mechanism, and the cooler bin loam cake overturns 180 °.
Described switching mechanism is an oscillating motor, and oscillating motor is installed on the support.
Described shaft coupling is equipped with elastic locking device; One of them shaft coupling one end of described two shaft couplings connects with an end of switching mechanism output shaft by key, this shaft coupling other end connects with rotating shaft, by elastic locking device locking shaft coupling and rotating shaft, rely on the frictional force between shaft coupling and the rotating shaft to realize the moment transmission, drive the upset of cooler bin loam cake; Wherein another shaft coupling one end of described two shaft couplings connects by the other end of key with the switching mechanism output shaft, this shaft coupling other end connects with rotating shaft, by elastic locking device locking shaft coupling and rotating shaft, rely on the frictional force between shaft coupling and the rotating shaft to realize the moment transmission, drive the upset of cooler bin loam cake.
Described elastic locking device is adjustable elastic locking device, to adjust the moment of friction size.
Described retaining mechanism has two retaining mechanisms, and they are installed in respectively on the cooler bin lower box, and each retaining mechanism is made up of a hydraulic cylinder and locking bearing pin, and each Driven by Hydraulic Cylinder locking bearing pin inserts in the hole of cooler bin loam cake and cooler bin lower box simultaneously.
Described retaining mechanism has two retaining mechanisms, and they are installed in respectively on the cooler bin lower box, and each retaining mechanism is made up of a cylinder and locking bearing pin, and each air cylinder driven locking bearing pin inserts in the hole of cooler bin loam cake and cooler bin lower box simultaneously.
Described compressed air curtain has several compressed air curtain, and the both sides that they are installed in the cooler bin loam cake respectively spill from cooler bin loam cake both sides to prevent water.
Described upper box water injector has two upper box water injectors, and they are installed in respectively in the cooler bin loam cake, and each upper box water injector is equipped with three groups of nozzle rings.
Described lower box water injector has two lower box water injectors, and they are installed in respectively in the cooler bin lower box, and each lower box water injector is equipped with three groups of nozzle rings.
Core rod precooling device of the present invention is when operate as normal, cooler bin loam cake and lower box closure, retaining mechanism is fixing together with cooler bin loam cake and cooler bin lower box, water injector inject high pressure water, the compressed air curtain of two cooler bin loam cake import and exports is opened simultaneously, cooling water is shut fully in water tank, and cooling water can not spill; When situations such as an appearance armful rod pipe, old plug rejecting, overhaul of the equipments or replacing nozzle, two cooling water tank retaining mechanisms are opened, and the cooler bin loam cake is opened 180 ° under switching mechanism starts, just can meet the demands.
Core rod precooling device of the present invention is applicable to core rod precooling on the steel pipe hot rolling line, and has following advantage:
1, satisfies manufacturing technique requirent;
2, equipment repair and maintenance are convenient;
Safe and reliable when 3, producing.
Description of drawings
Fig. 1 is the front elevational schematic of a kind of core rod precooling device of the present invention.
Fig. 2 looks schematic diagram by a left side shown in Figure 1.
Fig. 3 is by schematic top plan view shown in Figure 1.
Number in the figure: 1. support, 2. cooler bin loam cake, 3. rotating shaft, 4. cooler bin lower box, 5. switching mechanism, 6. retaining mechanism, 7. compressed air curtain, 8. upper box water injector, 9. lower box water injector, 10. two shaft couplings, 11. two limit switches, 12. plug, 61. locking bearing pins, 101. elastic locking devices.
The specific embodiment
Below in conjunction with accompanying drawing a kind of core rod precooling device of the present invention is described further.
Referring to Fig. 1 to Fig. 3, a kind of core rod precooling device of the present invention comprises support 1, cooler bin loam cake 2, rotating shaft 3, cooler bin lower box 4, switching mechanism 5, retaining mechanism 6, compressed air curtain 7, upper box water injector 8,9, two shaft couplings 10 of lower box water injector, two limit switches 11, and plug 12.
Two cooler bin lower boxes 4, switching mechanisms 5 all adopt bolt to be mounted on the support 1.Switching mechanism 5 can be an oscillating motor, and it is installed on the support 1.
Rotating shaft 3 is installed in a side of this pre-cooler, and cooler bin loam cake 2 is installed in the rotating shaft 3, and rotating shaft 3 connects by shaft coupling 10 with switching mechanism 5.Switching mechanism 5 and cooler bin loam cake 2 driving coupling.Cooler bin loam cake 2 and rotating shaft 3 connect with switching mechanism 5 by shaft coupling 10, and realization cooler bin loam cake 2 is opened under the driving of switching mechanism 5.Cooler bin loam cake 2 is under the driving of switching mechanism 5, and cooler bin loam cake 2 can overturn 180 °.
Cooler bin loam cake 2 import and exports are installed compressed air curtain 7 respectively and are spilt to prevent water.Specifically, compressed air curtain 7 has several compressed air curtain 7, and they are installed in the both sides of cooler bin loam cake 2 respectively, spills from cooler bin loam cake 2 both sides to prevent water.As shown in fig. 1, two cover compression curtain airs 7 and a cover upper box water injector 8 are set in the cooler bin loam cake 2 respectively.Compressed air curtain 7 is imported and exported cooling water with two cooler bins and is shut, and prevents that cooling water from spilling from the cooler bin import and export.
Retaining mechanism 6 has two retaining mechanisms 6, they are installed in respectively on the cooler bin lower box 4, each retaining mechanism 6 is made up of a hydraulic cylinder or cylinder and locking bearing pin 61, and each hydraulic cylinder or air cylinder driven locking bearing pin 61 insert in the hole of cooler bin loam cake 2 and cooler bin lower box 4 simultaneously.Two retaining mechanisms 6 are locked cooler bin loam cake 2 respectively.Cooler bin loam cake 2 is realized and 4 lockings of cooler bin lower box by retaining mechanism 6.
Be to realize the moment transmission between shaft coupling 10 and the rotating shaft 3,, can adjust the moment of friction size by regulating elastic locking device 101 by frictional force.When retaining mechanism 6 does not unclamp and under the situation of switching mechanism 5 upset, can effectively protect rotating shaft 3 can not twisted off.
Upper box water injector 8 and lower box water injector 9 are installed in the cooler bin respectively.Upper box water injector 8 has two upper box water injectors 8, and they are installed in respectively in the cooler bin loam cake 2, and each upper box water injector 8 is equipped with three groups of nozzle rings, and assurance plug the first half is sprayed water fully.Lower box water injector 9 has two lower box water injectors 9, and they are installed in respectively in the cooler bin lower box 4, and each lower box water injector 9 is equipped with three groups of nozzle rings, and assurance plug the latter half is sprayed water fully.
Whether limit switch 11 connects with switching mechanism 5 by circuit, put in place to detect switching mechanism 5 rotary movements.Whether a limit switch 11 in two limit switches 11 is used to detect cooler bin loam cake 2 and is locked, and whether 11 of another one limit switches are used to detect cooler bin loam cake 2 and open fully.
When using core rod precooling device of the present invention, before use, starting switching mechanism 5 closes up cooler bin loam cake 2 and cooler bin lower box 4, start retaining mechanism 6 then with cooler bin loam cake 2 and 4 lockings of cooler bin lower box, retaining mechanism 6 locking indicator lamps show the laggard duty of going into that puts in place on operating desk, make upper box water injector 8 and lower box water injector 9 water sprays, plug 12 is under the driving of front and back roller-way, through the cooling of cooler bin water spray.
When occurring embracing rod pipe phenomenon, when changing old plug or repair apparatus, needing to start switching mechanism 5 cooler bin loam cake 2 is opened.Before starting switching mechanism 5, retaining mechanism 6 must be unclamped, and retaining mechanism 6 unclamps indicator lamp and shows that the back switching mechanism 5 that puts in place can open on the operating desk, after mechanism to be flipped 5 driving cooler bin loam cakes, 2 upsets put in place, embrace excellent pipe can give by, old plug can be rejected work such as maybe can carrying out overhaul of the equipments.
Adopt core rod precooling device of the present invention, simple installation, equipment repair and maintenance are very convenient, and are safe and reliable during production.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the present invention, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention conversion, the modification of the foregoing description.
Claims (10)
1. core rod precooling device, it comprises support, the cooler bin loam cake, the cooler bin lower box, the upper box water injector, lower box water injector, and plug, it is characterized in that, it also comprises the rotating shaft that is installed in this pre-cooler one side, with the switching mechanism of cooler bin loam cake driving coupling, retaining mechanism, compressed air curtain, and two shaft couplings and two limit switches;
Described cooler bin loam cake and rotating shaft connect with switching mechanism by shaft coupling, and realization cooler bin loam cake is opened under the driving of switching mechanism;
Described cooler bin loam cake is realized and the locking of cooler bin lower box by retaining mechanism;
Described compressed air curtain is arranged on and covers on the cooler bin to prevent that water from spilling;
Whether described limit switch connects with switching mechanism by circuit, put in place to detect the switching mechanism rotary movement.
2. core rod precooling device according to claim 1 is characterized in that, described cooler bin loam cake is under the driving of switching mechanism, and the cooler bin loam cake overturns 180 °.
3. core rod precooling device according to claim 1 is characterized in that, described switching mechanism is an oscillating motor, and oscillating motor is installed on the support.
4. according to claim 1 or 3 described core rod precooling devices, it is characterized in that described shaft coupling is equipped with elastic locking device; One of them shaft coupling one end of described two shaft couplings connects with an end of switching mechanism output shaft by key, this shaft coupling other end connects with rotating shaft, by elastic locking device locking shaft coupling and rotating shaft, rely on the frictional force between shaft coupling and the rotating shaft to realize the moment transmission, drive the upset of cooler bin loam cake; Wherein another shaft coupling one end of described two shaft couplings connects by the other end of key with the switching mechanism output shaft, this shaft coupling other end connects with rotating shaft, by elastic locking device locking shaft coupling and rotating shaft, rely on the frictional force between shaft coupling and the rotating shaft to realize the moment transmission, drive the upset of cooler bin loam cake.
5. core rod precooling device according to claim 4 is characterized in that, described elastic locking device is adjustable elastic locking device, to adjust the moment of friction size.
6. core rod precooling device according to claim 1, it is characterized in that, described retaining mechanism has two, they are installed in respectively on the cooler bin lower box, each retaining mechanism is made up of a hydraulic cylinder and locking bearing pin, and each Driven by Hydraulic Cylinder locking bearing pin inserts in the hole of cooler bin loam cake and cooler bin lower box simultaneously.
7. core rod precooling device according to claim 1, it is characterized in that, described retaining mechanism has two, they are installed in respectively on the cooler bin lower box, each retaining mechanism is made up of a cylinder and locking bearing pin, and each air cylinder driven locking bearing pin inserts in the hole of cooler bin loam cake and cooler bin lower box simultaneously.
8. core rod precooling device according to claim 1 is characterized in that described compressed air curtain has several, and the both sides that they are installed in the cooler bin loam cake respectively spill from cooler bin loam cake both sides to prevent water.
9. core rod precooling device according to claim 1 is characterized in that, described upper box water injector has two, and they are installed in respectively in the cooler bin loam cake, and each upper box water injector is equipped with three groups of nozzle rings.
10. core rod precooling device according to claim 1 is characterized in that, described lower box water injector has two, and they are installed in respectively in the cooler bin lower box, and each lower box water injector is equipped with three groups of nozzle rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910049113XA CN101530862B (en) | 2009-04-10 | 2009-04-10 | Core rod precooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910049113XA CN101530862B (en) | 2009-04-10 | 2009-04-10 | Core rod precooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101530862A CN101530862A (en) | 2009-09-16 |
| CN101530862B true CN101530862B (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910049113XA Active CN101530862B (en) | 2009-04-10 | 2009-04-10 | Core rod precooling device |
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| CN (1) | CN101530862B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567225B (en) * | 2013-11-22 | 2015-06-24 | 太原重工股份有限公司 | Mandrel cooling device |
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2009
- 2009-04-10 CN CN200910049113XA patent/CN101530862B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101530862A (en) | 2009-09-16 |
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Owner name: BAOSTEEL ENGINEERING + TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BAOGANG ENGINEERING TECHN CO., LTD., SHANGHAI Effective date: 20100720 |
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Effective date of registration: 20100720 Address after: 201900 Shanghai city Baoshan District Tieli Road No. 2510 Applicant after: Baosteel Engeneering &Technology Group Co., Ltd. Address before: 201900 Shanghai city Baoshan District Tieli Road No. 2510 Applicant before: Shanghai Baogang Engineering Technology Co., Ltd. |
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