CN203830413U - Machine frame for cold-roll steel sheets - Google Patents
Machine frame for cold-roll steel sheets Download PDFInfo
- Publication number
- CN203830413U CN203830413U CN201420071728.9U CN201420071728U CN203830413U CN 203830413 U CN203830413 U CN 203830413U CN 201420071728 U CN201420071728 U CN 201420071728U CN 203830413 U CN203830413 U CN 203830413U
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- CN
- China
- Prior art keywords
- memorial archway
- lightening grooves
- cold
- top board
- frame
- 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.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A machine frame for cold-roll steel sheets comprises a base, a front plate arch, a rear plate arch and a top plate. The front plate arch and the front side of the top plate are of a portal frame structure, the rear plate arch and the rear side of the top plate are of a portal frame structure, and the top plate is arranged between the upper end of the front plate arch and the upper end of the rear plate arch. The two sides of the middle of the front plate arch and the two sides of the middle of the rear plate arch are respectively provided with a connection plate, one connection plate is provided with a feed hole, and the other connection plate is provided with a discharge hole corresponding to the feed hole. One or more of the front plate arch, the rear plate arch, the base and the top plate are provided with a weight reduction groove. According to the technical scheme, on the premise of not lowering the strength, the weight of the machine frame is fully reduced, and the dynamic property of the machine frame is greatly improved. The first-stage inherent frequency of the machine frame is increased to be larger than 50 Hz through stressing and modal testing analysis, the dynamic property is improved, a machine does not experience the frequency point in the starting process, and therefore the machine can constantly work normally in the starting process, machine errors are avoided, and the service life of the machine is prolonged.
Description
Technical field
The utility model belongs to cold-rolled steel sheet technical field, relates in particular to a kind of frame for cold-rolled steel sheet.
Background technology
At present, the XGK1400 rack construction that cold-rolled steel sheet is used as shown in Figure 1, comprise base 1, front memorial archway 2, rear memorial archway 3 and top board 4, the rear side of the front side of front memorial archway 2 and top board 4, rear memorial archway 3 and top board 4 is all gantry frame structure, the left and right sides of base 1 is respectively equipped with two installation feet 5, top board 4 is located between front memorial archway 2 and the upper end of rear memorial archway 3, the both sides at the middle part of front memorial archway 2 and rear memorial archway 3 are respectively equipped with a connecting plate 6, a connecting plate 6 is provided with charging hole 7, and another piece connecting plate 6 is provided with the discharge opening corresponding with charging hole 78.Top board 4 is provided with two for the through hole 12 through cylinder piston rod.
By the stressed and model analysis to the frame of said structure, measuring first order resonance frequency is 39.4Hz, because resonant frequency is lower, and bad dynamic performance, machine can experience this Frequency point in start-up course, so the normal work of machine is brought to adverse effect.
Utility model content
The utility model is in order to solve weak point of the prior art, provides that a kind of first order resonance frequency is high, dynamic property strong, is conducive to the frame for cold-rolled steel sheet of machine startup.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: for the frame of cold-rolled steel sheet, comprise base, front memorial archway, rear memorial archway and top board, the front side of front memorial archway and top board, the rear side of rear memorial archway and top board is all gantry frame structure, top board is located between front memorial archway and the upper end of rear memorial archway, the both sides at the middle part of front memorial archway and rear memorial archway are respectively equipped with a connecting plate, a connecting plate is provided with charging hole, another piece connecting plate is provided with the discharge opening corresponding with charging hole, described front memorial archway, rear memorial archway, base, on top board, have at least a place to offer lightening grooves.
The middle and upper part of described front memorial archway and/or rear memorial archway is provided with the first lightening grooves.
Described base is provided with the second lightening grooves.
The leading flank of described top board and trailing flank are provided with the 3rd lightening grooves.
The left and right sides of described base is respectively equipped with three installation feet, between adjacent two installation feet of homonymy, has gap.
Described the first lightening grooves is located on the front surface of front memorial archway and the rear surface of rear memorial archway, and the second lightening grooves is opened on the lower surface of base, and the degree of depth of the first lightening grooves, the second lightening grooves and the 3rd lightening grooves is 150-300mm.
The width of the previous installation foot of described homonymy, a middle installation foot and a rear installation foot is respectively 400mm, 500mm and 400mm, and a middle installation foot upper end is connected with connecting plate lower surface, and the width in described gap is 475mm.
Adopt technique scheme, owing to having at least a place to offer lightening grooves, so just can improve the first natural frequency of frame on front memorial archway, rear memorial archway, base, top board.Combination between two, three or three in conjunction with lightening grooves is set, best is simultaneously at front memorial archway, rear memorial archway, base, lightening grooves is set on top board, on the middle and upper part of front memorial archway and rear memorial archway, offer the first lightening grooves, on base, offer the second lightening grooves, on top board, offer the 3rd lightening grooves, do not falling under low intensive prerequisite like this, fully alleviate the utility model weight, and greatly improved its dynamic property, through stressed and Modal testing and analysis, first natural frequency of the present utility model is brought up to and is greater than 50Hz, dynamic property improves, in machine startup process, can not experience this Frequency point like this, can guarantee that machine keeps normal operating conditions in start-up course always, avoid mechanical disorder, extend the service life of machine.
In addition, at the middle part of base both sides, set up an installation foot, can improve like this stability of frame.Above-mentioned size is preferred technical parameter in test.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art;
Fig. 2 is the perspective view of the utility model under a visual angle;
Fig. 3 is the perspective view of the utility model under another visual angle.
The specific embodiment
As shown in Figures 2 and 3, frame for cold-rolled steel sheet of the present utility model, comprise base 1, front memorial archway 2, rear memorial archway 3 and top board 4, the front side of front memorial archway 2 and top board 4, the rear side of rear memorial archway 3 and top board 4 is all gantry frame structure, top board 4 is located between front memorial archway 2 and the upper end of rear memorial archway 3, the both sides at the middle part of front memorial archway 2 and rear memorial archway 3 are respectively equipped with a connecting plate 6, a connecting plate 6 is provided with charging hole 7, another piece connecting plate 6 is provided with the discharge opening corresponding with charging hole 78, front memorial archway 2, rear memorial archway 3, base 1, on top board 4, have at least a place to offer lightening grooves.
On the middle and upper part of front memorial archway 2 and/or rear memorial archway 3, offer respectively the first lightening grooves 9.
Base 1 is provided with the second lightening grooves 10.
The leading flank of top board 4 and trailing flank are provided with the 3rd lightening grooves 11.Top board 4 is provided with two for the through hole 12 through cylinder piston rod.
The first lightening grooves 9 is located on the front surface of front memorial archway 2 and the rear surface of rear memorial archway 3, and the second lightening grooves 10 is opened on the lower surface of base 1, and the degree of depth of the first lightening grooves 9, the second lightening grooves 10 and the 3rd lightening grooves 11 is 150-300mm.The shape of the first lightening grooves 9, the second lightening grooves 10 and the 3rd lightening grooves 11 can be the shapes such as rectangle, circle, ellipse, quantity and layout thereof are determined according to actual conditions, in the present embodiment, the first lightening grooves 9 arranges respectively five row's four row on front memorial archway 2 and rear memorial archway 3, the second lightening grooves 10 arranges seven row's seven row on base 1, and the 3rd lightening grooves 11 is equipped with a row at front side and the rear side of top board 4.
The left and right sides of base 1 is respectively equipped with three installation feet 5, between adjacent two installation feet 5 of homonymy, has gap.At the middle part of base 1 both sides, set up an installation foot 5, can improve like this stability of frame.On each installation foot 5, be equipped with installing hole 13.
The width of the previous installation foot 5 of homonymy, a middle installation foot 5 and a rear installation foot 5 is respectively 400mm, 500mm and 400mm, middle installation foot 5 upper ends are connected with connecting plate 6 lower surfaces, and the width of described gap (being the distance between adjacent two installation feet 5) is 475mm.
Owing to having at least a place to offer lightening grooves, so just can improve the first natural frequency of frame on front memorial archway 2, rear memorial archway 3, base 1, top board 4.Combination between two, three or three is in conjunction with lightening grooves is set, best is on front memorial archway 2, rear memorial archway 3, base 1, top board 4, lightening grooves to be set simultaneously, on front memorial archway 2, rear memorial archway 3, base, top board, have at least a place to offer lightening grooves, so just can improve the first natural frequency of frame.Combination between two, three or three in conjunction with lightening grooves is set, best is simultaneously at front memorial archway, rear memorial archway, base, lightening grooves is set on top board, on the middle and upper part of front memorial archway 2 and rear memorial archway 3, offer the first lightening grooves 9, on base 1, offer the second lightening grooves 10, on top board 4, offer the 3rd lightening grooves 11, do not falling under low intensive prerequisite like this, fully alleviate the utility model weight, and greatly improved its dynamic property, through stressed and Modal testing and analysis, first natural frequency of the present utility model is brought up to and is greater than 50Hz, dynamic property improves, in machine startup process, can not experience this Frequency point like this, can guarantee that machine keeps normal operating conditions in start-up course always, avoid mechanical disorder, extend the service life of machine.Above-mentioned size is preferred technical parameter in test.
Above-described embodiment is not done any pro forma restriction to shape of the present utility model, material, structure etc.; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all belong to the protection domain of technical solutions of the utility model.
Claims (7)
1. for the frame of cold-rolled steel sheet, comprise base, front memorial archway, rear memorial archway and top board, the rear side of the front side of front memorial archway and top board, rear memorial archway and top board is all gantry frame structure, top board is located between front memorial archway and the upper end of rear memorial archway, the both sides at the middle part of front memorial archway and rear memorial archway are respectively equipped with a connecting plate, a connecting plate is provided with charging hole, another piece connecting plate is provided with the discharge opening corresponding with charging hole, it is characterized in that: on described front memorial archway, rear memorial archway, base, top board, have at least a place to offer lightening grooves.
2. the frame for cold-rolled steel sheet according to claim 1, is characterized in that: the middle and upper part of described front memorial archway and/or rear memorial archway is provided with the first lightening grooves.
3. the frame for cold-rolled steel sheet according to claim 1 and 2, is characterized in that: described base is provided with the second lightening grooves.
4. the frame for cold-rolled steel sheet according to claim 1 and 2, is characterized in that: the leading flank of described top board and trailing flank are provided with the 3rd lightening grooves.
5. the frame for cold-rolled steel sheet according to claim 1 and 2, is characterized in that: the left and right sides of described base is respectively equipped with three installation feet, between adjacent two installation feet of homonymy, has gap.
6. the frame for cold-rolled steel sheet according to claim 4, it is characterized in that: described the first lightening grooves is located on the front surface of front memorial archway and the rear surface of rear memorial archway, the second lightening grooves is opened on the lower surface of base, and the degree of depth of the first lightening grooves, the second lightening grooves and the 3rd lightening grooves is 150-300mm.
7. the frame for cold-rolled steel sheet according to claim 5, it is characterized in that: the width of the previous installation foot of described homonymy, a middle installation foot and a rear installation foot is respectively 400mm, 500mm and 400mm, a middle installation foot upper end is connected with connecting plate lower surface, and the width in described gap is 475mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071728.9U CN203830413U (en) | 2014-02-19 | 2014-02-19 | Machine frame for cold-roll steel sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071728.9U CN203830413U (en) | 2014-02-19 | 2014-02-19 | Machine frame for cold-roll steel sheets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203830413U true CN203830413U (en) | 2014-09-17 |
Family
ID=51508304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420071728.9U Expired - Fee Related CN203830413U (en) | 2014-02-19 | 2014-02-19 | Machine frame for cold-roll steel sheets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203830413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785488A (en) * | 2015-05-05 | 2015-07-22 | 中国重型机械研究院股份公司 | Prefabricated type base oil gathering structure of twenty-high roll mill |
-
2014
- 2014-02-19 CN CN201420071728.9U patent/CN203830413U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785488A (en) * | 2015-05-05 | 2015-07-22 | 中国重型机械研究院股份公司 | Prefabricated type base oil gathering structure of twenty-high roll mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20150219 |
|
| EXPY | Termination of patent right or utility model |