CN203973474U - Milling train flat head sleeve disassembling fixture - Google Patents
Milling train flat head sleeve disassembling fixture Download PDFInfo
- Publication number
- CN203973474U CN203973474U CN201420300935.7U CN201420300935U CN203973474U CN 203973474 U CN203973474 U CN 203973474U CN 201420300935 U CN201420300935 U CN 201420300935U CN 203973474 U CN203973474 U CN 203973474U
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- CN
- China
- Prior art keywords
- pair
- flat head
- head sleeve
- top block
- jacking block
- 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 - Lifetime
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Abstract
本实用新型涉及热轧厂粗轧区域零部件检修领域，尤其涉及一种轧机扁头套拆卸工装。一种轧机扁头套拆卸工装，包括销轴、支撑架、支撑底座、推动装置和顶块，所述销轴共有一对，一对所述的销轴对称穿过缺口两端的螺栓孔，所述支撑架共有一对，一对所述的支撑架架设套装在一对销轴的两端，所述支撑底座固定连接在一对支撑架之间；所述顶块放置在缺口内，顶块的轴向截面为梯形，所述推动装置设置在支撑底座上，推动装置的输出杆推动顶块沿扁头套与中间轴的径向运动。本实用新型通过一个梯形截面的楔形顶块挤开扁头套和中间轴，利用拆卸螺栓后剩下的螺栓孔作为顶块产生推力的最终受力支点，占用空间小，拆卸快捷方便，而且对扁头套的损伤十分小。
The utility model relates to the field of maintenance of components in the rough rolling area of a hot rolling mill, in particular to a dismantling tool for flat head covers of a rolling mill. A rolling mill flat head cover disassembly tooling, including a pin shaft, a support frame, a support base, a pushing device and a top block, the pin shafts have a pair, and the pair of pin shafts symmetrically pass through the bolt holes at both ends of the gap. There is a pair of support frames, and a pair of support frames are erected and set on the two ends of a pair of pin shafts, and the support base is fixedly connected between the pair of support frames; the top block is placed in the gap, and the top block The axial section is trapezoidal. The pushing device is arranged on the supporting base, and the output rod of the pushing device pushes the top block to move radially along the flat head cover and the intermediate shaft. The utility model squeezes the flat head cover and the intermediate shaft through a wedge-shaped top block with a trapezoidal cross section, and uses the remaining bolt holes after the bolts are disassembled as the final fulcrum for the thrust of the top block, which occupies a small space and is quick and convenient to disassemble. Headgear damage is very small.
Description
Technical field
The utility model relates to parts maintenance field, hot rolling mill roughing region, relates in particular to a kind of milling train flat head sleeve disassembling fixture.
Background technology
Hot rolling mill roughing region flat head sleeve relies on bolt to be connected on jackshaft, due to operating mode reasons such as vapour corrosion, heavy loads, flat head sleeve and middle axle key junction can be very tight, even after connecting bolt is pulled down, flat head sleeve still cannot separate in stuck state with the end that jackshaft joins, thereby cannot remove from jackshaft, carry out the related work of next step reparation: the inner jaw of flat head sleeve, the inspections such as cross axle, bearing; Because device interior limited space, both exert oneself because be difficult to from outside, to knock separation; Angle and the axis of outside percussion power must have deviation simultaneously, so the dynamics of knocking can not be too large, not so may damage flat head sleeve and/or jackshaft, so now each dismounting all needs to spend the plenty of time, have reduced the efficiency of repair and maintenance.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of milling train flat head sleeve disassembling fixture, this frock is utilized the original calibration breach of ring flange, by crowded flat head sleeve and the jackshaft opened of wedge shape jacking block of a trapezoid cross section, after utilizing demounting bolt, remaining bolt hole produces the final stressed fulcrum of thrust as jacking block, so just without other location aid devices, reduced the space taking, unloading process is efficient and convenient.
The utility model is achieved in that a kind of milling train flat head sleeve disassembling fixture, flat head sleeve and jackshaft junction are provided with some breach, comprise bearing pin, bracing frame, base for supporting, thrust unit and jacking block, described bearing pin is total a pair of, the symmetrical bolt hole through breach two ends of a pair of described bearing pin, support frame as described above is total a pair of, and a pair of described bracing frame sets up the two ends that are sleeved on a pair of bearing pin, and described base for supporting is fixedly connected between pair of supporting; Described jacking block is placed in breach, and the axial cross section of jacking block is trapezoidal, and described thrust unit is arranged on base for supporting, and the take-off lever of thrust unit promotes jacking block along the radial motion of flat head sleeve and jackshaft.
Described thrust unit is cylinder.
Described thrust unit is hydraulic cylinder.
The hardness of described jacking block is 250HB ~ 280HB.
The utility model milling train flat head sleeve disassembling fixture utilizes the original calibration breach of ring flange, by crowded flat head sleeve and the jackshaft opened of wedge shape jacking block of a trapezoid cross section, in order to avoid jacking block to squeeze bad ring flange when backing down in enough hardness, through experiment repeatedly, the hardness of jacking block has been limited between 250HB and 280HB; In addition, utilize demounting bolt in the utility model after, remaining bolt hole produces the final stressed fulcrum of thrust as jacking block, so just without other location aid devices, reduced the space taking, this frock is not only quick, and very little to the damage of flat head sleeve, can guarantee the normal use of spare part.
Accompanying drawing explanation
Fig. 1 is the end face of flange schematic diagram of the duty of the utility model milling train flat head sleeve disassembling fixture;
Fig. 2 is that the master of the utility model milling train flat head sleeve disassembling fixture looks schematic diagram;
Fig. 3 is the structural representation of bracing frame and base for supporting;
Fig. 4 is the structural representation of jacking block.
In figure: 1 flat head sleeve, 2 jackshafts, 3 breach, 4 bearing pins, 5 bracing frames, 6 base for supporting, 7 thrust units, 8 jacking blocks, 9 bolts hole.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model statement, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
As shown in Figure 1,2,3, 4, a kind of milling train flat head sleeve disassembling fixture, existing flat head sleeve 1 is all to pass through bolted with jackshaft 2, on the end face that both fit, all along circumferential correspondence, be provided with junction and be provided with some breach 3, whether neat in order to calibrate both contraposition, in addition, before the dismounting of this device, the bolt of fastening use is unloaded, leave vacant bolt hole 9; This milling train flat head sleeve disassembling fixture utilizes breach 3 to dismantle, comprise bearing pin 4, bracing frame 5, base for supporting 6, thrust unit 7 and jacking block 8, described bearing pin 4 is total a pair of, the symmetrical bolt hole 9 through breach 3 two ends of a pair of described bearing pin 4, support frame as described above 5 is total a pair of, a pair of described bracing frame 5 sets up the two ends that are sleeved on a pair of bearing pin 4, and described base for supporting 6 is fixedly connected between pair of supporting 5; Described jacking block 8 is placed in breach 3, the axial cross section of jacking block 8 is trapezoidal, described thrust unit 7 is arranged on base for supporting 6, the take-off lever of thrust unit 7 promotes jacking block 8 radial motion with jackshaft 2 along flat head sleeve 1, because the narrow bottom of the head of jacking block 8 is wide, so will squeeze out the flange face that flat head sleeve 1 contacts with jackshaft 2 in motion process, produce a gap, so just can be easy to both separation; If the gap of a point is can not be smoothly separated, just breach 3 is over there carrying out once-through operation, or uses two cover frocks at two corresponding breach 3, to carry out this to operate simultaneously, realizes the thoroughly separated of flat head sleeve 1 and jackshaft 2.
In the utility model, described thrust unit 7 can use cylinder, also can promote jacking block 8 motions with hydraulic cylinder, for fear of jacking block 8 is really up to the mark, flange face is squeezed to wound, and the hardness of described jacking block 8 is 250HB ~ 280HB in the present embodiment.
Claims (4)
1. a milling train flat head sleeve disassembling fixture, flat head sleeve (1) is provided with some breach (3) with jackshaft (2) junction, it is characterized in that: comprise bearing pin (4), bracing frame (5), base for supporting (6), thrust unit (7) and jacking block (8), described bearing pin (4) is total a pair of, the symmetrical bolt hole (9) through breach (3) two ends of a pair of described bearing pin (4), support frame as described above (5) is total a pair of, a pair of described bracing frame (5) sets up the two ends that are sleeved on a pair of bearing pin (4), described base for supporting (6) is fixedly connected between pair of supporting (5), described jacking block (8) is placed in breach (3), the axial cross section of jacking block (8) is trapezoidal, it is upper that described thrust unit (7) is arranged on base for supporting (6), and the take-off lever of thrust unit (7) promotes jacking block (8) radial motion with jackshaft (2) along flat head sleeve (1).
2. milling train flat head sleeve disassembling fixture as claimed in claim 1, is characterized in that: described thrust unit (7) is cylinder.
3. milling train flat head sleeve disassembling fixture as claimed in claim 1, is characterized in that: described thrust unit (7) is hydraulic cylinder.
4. milling train flat head sleeve disassembling fixture as claimed in claim 1, is characterized in that: the hardness of described jacking block (8) is 250HB ~ 280HB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300935.7U CN203973474U (en) | 2014-06-09 | 2014-06-09 | Milling train flat head sleeve disassembling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300935.7U CN203973474U (en) | 2014-06-09 | 2014-06-09 | Milling train flat head sleeve disassembling fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203973474U true CN203973474U (en) | 2014-12-03 |
Family
ID=51970958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420300935.7U Expired - Lifetime CN203973474U (en) | 2014-06-09 | 2014-06-09 | Milling train flat head sleeve disassembling fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203973474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195517A (en) * | 2015-09-21 | 2015-12-30 | 山东钢铁股份有限公司 | Rapid mounting and rapid dismounting type roller shaft sleeve without transmission gap |
-
2014
- 2014-06-09 CN CN201420300935.7U patent/CN203973474U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195517A (en) * | 2015-09-21 | 2015-12-30 | 山东钢铁股份有限公司 | Rapid mounting and rapid dismounting type roller shaft sleeve without transmission gap |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |