CN202845466U - Inhead type pressure measuring device of rolling mill - Google Patents
Inhead type pressure measuring device of rolling mill Download PDFInfo
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- CN202845466U CN202845466U CN201220488488.3U CN201220488488U CN202845466U CN 202845466 U CN202845466 U CN 202845466U CN 201220488488 U CN201220488488 U CN 201220488488U CN 202845466 U CN202845466 U CN 202845466U
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Abstract
The utility model discloses an inhead type pressure measuring device of a rolling mill. The inhead type pressure measuring device comprises a body, an upper balance plate, a lower balance plate, a mortar head, a mortar pad, an oil return chute, a bellows and a screw rod. The oil return chute is provided with a gravity ring, an inner ring of the oil return chute is provided with a distance ring which enables the upper portion of the oil return chute to be widened in a welding mode, an inner ring of the distance ring is provided with a water retaining ring in a welding mode, and the water retaining ring and the bellows together form a labyrinth seal. According to the inhead type pressure measuring device of the rolling mill, cooling water can be effectively prevented from entering into a lubricating system so as to avoid the paralysis of the lubricating system. In addition, a distance bolt and a distance cylindrical pin are respectively arranged, so that working safety can be effectively improved, and fatal accidents can be avoided.
Description
Technical field
The utility model relates to pressure tester, more particularly, relates to a kind of milling train overhead pressure tester.
Background technology
In metallurgical industry was produced, can the draught pressure of milling train be measured accurately, directly affects the quality of product quality.Particularly automatically regulate and correctly organize production technology for thickness, draught pressure is very important detected parameters especially then.Simultaneously, rolling force measurement monitors in the roll horizontal plane to have or not intersection to understanding and grasping the force balance of rolling-mill housing, and guarantees that this has great role to the sideslip that reduces rolled piece without intersecting.Simultaneously, rolling force measurement is a very important factor of safety, also is a very important basic parameter to the safety in production that guarantees milling train.When roll-force refers to the mill milling steel, for the deformation drag that overcomes material at the added pressure of roll shop building.Rolling force measurement be for the reasonable distribution institute that guarantees correct scantling and mechanical load indispensable.The size of roll-force arrives in the scope of several kilotons at tens tons.Be widely used at present piezomagnetic and resistance strain type pressure sensor as pressure tester.
Operated by rotary motion overhead pressure tester on the heavy plate mill, as shown in Figure 1, lower equal pressing plate 1 is to be connected on the body 2 of pressure tester with bolt 9a and dished spring assembly, and locates fixing by two alignment pin 3a; Pressure-measuring head 4 is to be placed on the lower equal pressing plate 1, has the signal pipeline roll-force signal to be transferred to the control that participates in milling train in the milling train control, and it does not have bolt to connect, and just locates to prevent its rotation and slip by two alignment pin 3b; On the upper equal pressing plate 5 mortar head 6 is installed, the both sides of mortar head 6 are provided with two flat keys and prevent its rotation, what match with mortar head 6 is mortar pad 7, mortar pad 7 materials are copper, mortar head 6, mortar pad 7 form the pair of sliding bearing, the top of mortar pad 7 is connected with screw mandrel 12 with hexagon socket head cap screw 9b, and body 2 is to hang on the mortar pad 7 with Hough pressing plate 8 and hexagon socket head cap screw 9c; At the outer ring of body 2 welding one circle oil-recovery tank 10 and shelves ring 11, the lubricating oil of screw mandrel 12 screws and mortar head 6, mortar pad 7 is by 10 times lubricated mailboxes of this oil-recovery tank; The end of bellows 13 is to be connected on the memorial archway of milling train with bolt, and the other end is equipped with gravity ring 14, and it plays the effect of location bellows 13 and stretching bellows 13, and bellows 13 is to prevent that cooling water and oxidize soot from entering in the screwdown gear.
In actual use, the overhead pressure tester of said structure exists following shortcoming: the shelves ring 11 this structures on the oil-recovery tank 10 are equivalent to form a funnel, a large amount of cooling waters are accumulated herein, cooling water will enter in the oil-recovery tank 10 when action, so that whole lubricating system intakes in a large number, thereby cause oil lubricating system that the fault of paralysis occurs; Hexagon socket head cap screw 9b fracture, bolt 9a and dished spring assembly fracture also can repeatedly occur when normal steel rolling, splitting that hexagon socket head cap screw 9b is disconnected will cause dropping of whole pressure tester, the fracture of bolt 9a and dished spring assembly then causes dropping of the parts such as lower equal pressing plate 1, pressure-measuring head, upper equal pressing plate 5, and these all will cause the generation of serious accident.
The utility model content
For the above-mentioned shortcoming that exists in the prior art, the purpose of this utility model provides a kind of milling train overhead pressure tester, can avoid occuring the faults such as lubricating system water inlet.
For achieving the above object, the utility model adopts following technical scheme:
This milling train overhead pressure tester, comprise body, up and down all pressing plate, mortar head, mortar pad, oil-recovery tank, bellows and screw mandrel, described oil-recovery tank is provided with the gravity ring, the inner ring of oil-recovery tank is welded with the distance collar that oil-recovery tank top is broadened, inner ring at distance collar is welded with drip ring, and forms a labyrinth sealing with bellows.
Described mortar pad is provided with bolt hole, and links to each other with screw mandrel by distance bolt, is provided with the polished rod section in the middle of the described distance bolt, and the long 2～3mm of the Length Ratio bolt hole length of polished rod section, makes bolt head and bolt hole have the gap of 2～3mm.
The sidepiece of described body is provided with several spacing straight pins, and described lower equal pressing plate sidepiece is provided with corresponding perforate, and spacing straight pin one end places in the perforate respectively.
Described opening diameter is greater than spacing straight pin diameter 10～15mm.
In technique scheme, milling train overhead pressure tester of the present utility model comprises body, up and down all pressing plate, mortar head, mortar pad, oil-recovery tank, bellows and screw mandrel, described oil-recovery tank is provided with the gravity ring, the inner ring of oil-recovery tank is welded with the distance collar that oil-recovery tank top is broadened, inner ring at distance collar is welded with drip ring, and forms a labyrinth sealing with bellows.Adopt this pressure tester effectively to avoid cooling water to enter in the lubricating system, thereby stopped the paralysis of lubricating system.In addition, by distance bolt and spacing straight pin are set respectively, the generation of serious accident is avoided in security that can the Effective Raise operation.
Description of drawings
Fig. 1 is the structural representation of the milling train overhead pressure tester of prior art;
Fig. 2 is the structural representation of milling train overhead pressure tester of the present utility model;
Fig. 3 is the B section enlarged drawing among Fig. 2;
Fig. 4 is the A section enlarged drawing among Fig. 2;
Fig. 5 is the C section enlarged drawing among Fig. 2.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
Please in conjunction with Fig. 2～shown in Figure 5, milling train overhead pressure tester of the present utility model is same as the prior art, equally also comprises body 2, equal parts such as pressing plate 5,2, mortar head 6, mortar pad 7, oil-recovery tank 10, bellows 13 and screw mandrel 12 up and down, does not repeat them here.Different is, described oil-recovery tank 10 is provided with gravity ring 14, and the inner ring of oil-recovery tank 10 is welded with the distance collar 15 that oil-recovery tank 10 tops are broadened, and is welded with drip ring 16 at the inner ring of distance collar 15, and forms a labyrinth sealing with bellows 13.So, shelves ring 11(on original oil-recovery tank 10 is seen Fig. 1) cancellation, when cooling water spatters on bellows 13 and when dirty, because the cancellation of shelves ring 11, water just direct trickling have been fallen, the water of fraction then solution is pressed in the gravity ring 14 times, be subjected to stopping of drip ring 16, avoid entering when bellows 13 action, the height that only has the height of cooling water ponding to surpass drip ring 16 just can enter in the oil-recovery tank 10, yet this is impossible in actual production process.
And, described mortar pad 6 is provided with bolt hole 17, and links to each other with screw mandrel 12 by distance bolt 18, is provided with the polished rod section in the middle of the described distance bolt 18, and the long 2～3mm of Length Ratio bolt hole 17 length of polished rod section makes bolt head and bolt hole 17 have the gap h of 2～3mm.So, milling train is when normal steel rolling, and distance bolt 18 is not stress, and just when milling train changes backing roll, just plays the effect that tangles whole pressure tester.
In addition, the sidepiece of described body 2 is provided with several spacing straight pins 19, described lower equal pressing plate 1 sidepiece is provided with corresponding perforate 20, and spacing straight pin 19 1 ends place respectively in the perforate 20, and described perforate 20 diameters are greater than spacing straight pin 19 diameters 10～15mm.Like this when normal steel rolling, spacing straight pin 19 does not stress, when bolt 9a and dished spring assembly complete rupture, when changing backing roll all pressing plate 1 will fall down at present, be subjected to blocking and supporting of spacing straight pin 19, can guarantee not dropping of the parts such as lower equal pressing plate 1, pressure-measuring head 4, upper equal pressing plate 5, thereby effectively avoided the generation of serious accident, play safety effect, effectively stopped the generation of a series of faults of pressure tester.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the utility model, and be not to be used as restriction of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (4)
1. milling train overhead pressure tester comprises body, up and down all pressing plate, mortar head, mortar pad, oil-recovery tank, bellows and screw mandrel, it is characterized in that:
Described oil-recovery tank is provided with the gravity ring, and the inner ring of oil-recovery tank is welded with the distance collar that oil-recovery tank top is broadened, and is welded with drip ring at the inner ring of distance collar, and forms a labyrinth sealing with bellows.
2. milling train overhead pressure tester as claimed in claim 1 is characterized in that:
Described mortar pad is provided with bolt hole, and links to each other with screw mandrel by distance bolt, is provided with the polished rod section in the middle of the described distance bolt, and the long 2～3mm of the Length Ratio bolt hole length of polished rod section, makes bolt head and bolt hole have the gap of 2～3mm.
3. milling train overhead pressure tester as claimed in claim 1 is characterized in that:
The sidepiece of described body is provided with several spacing straight pins, and described lower equal pressing plate sidepiece is provided with corresponding perforate, and spacing straight pin one end places in the perforate respectively.
4. milling train overhead pressure tester as claimed in claim 1 is characterized in that:
Described opening diameter is greater than spacing straight pin diameter 10～15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220488488.3U CN202845466U (en) | 2012-09-22 | 2012-09-22 | Inhead type pressure measuring device of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220488488.3U CN202845466U (en) | 2012-09-22 | 2012-09-22 | Inhead type pressure measuring device of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202845466U true CN202845466U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220488488.3U Expired - Lifetime CN202845466U (en) | 2012-09-22 | 2012-09-22 | Inhead type pressure measuring device of rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202845466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772622A (en) * | 2014-01-13 | 2015-07-15 | 宝山钢铁股份有限公司 | Positioning device and positioning method of pressure measuring head of rolling mill |
-
2012
- 2012-09-22 CN CN201220488488.3U patent/CN202845466U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772622A (en) * | 2014-01-13 | 2015-07-15 | 宝山钢铁股份有限公司 | Positioning device and positioning method of pressure measuring head of rolling mill |
| CN104772622B (en) * | 2014-01-13 | 2017-02-22 | 宝山钢铁股份有限公司 | Positioning device and positioning method of pressure measuring head of rolling mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
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| CX01 | Expiry of patent term |