CN201024059Y - Lifting device for changing blast furnace feeding belt roller - Google Patents
Lifting device for changing blast furnace feeding belt roller Download PDFInfo
- Publication number
- CN201024059Y CN201024059Y CNU2007200688197U CN200720068819U CN201024059Y CN 201024059 Y CN201024059 Y CN 201024059Y CN U2007200688197 U CNU2007200688197 U CN U2007200688197U CN 200720068819 U CN200720068819 U CN 200720068819U CN 201024059 Y CN201024059 Y CN 201024059Y
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- China
- Prior art keywords
- rod
- support
- ratchet
- bar
- shaped connecting
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a lifting device used for changing support rollers of a feeding strap on a blast furnace. The utility model comprises a soleplate (1), a bracket (2) comprising two vertical clamp boards and a straight groove (13) is cut on an opposite face of the bracket. A rack (3) which is provided with a straight pin (22) at bottom and can mover from top to bottom in the straight groove is arranged between two clamp boards. A U-shaped groove (31) is arranged on the top of the bracket. A couple of gears (4) is arranged on the clamp boards and is meshed with two sides of the rack. A ratchet wheel (5) is arranged on the same shaft with one gear on one side. A middle part of a semicircle press board (6) is waveringly pivoted and connected with the bracket and one end of the press board clings to a back of a ratchet tooth. One end of a returning spring (7) is fixed on the bracket and the other end is connected with the press board body. A self-locking detent (8) is arranged on the utility model. And an energizing rod (9) whose one end can turn around a shaft connecting point is arranged, and a U-shaped link rod is arranged on one side of the rod body to form a semicircle space. One end of a power detent (10) touches a face of the ratchet wheel. A pull rod (11) is arranged at one side of the U-shaped link rod.
Description
Technical field
The utility model relates to the blast furnace feeding belt roller and changes operation, relates in particular to the lifting means of belt when changing carrying roller.
Background technology
In the iron-smelter blast furnace belt load transfer device all kinds of belt feeder carrying rollers such as conveying roller, buffer roll, non magnetic roller are arranged, these carrying rollers are operated in the environment of exposure all the year round, more the making moist easily after rainy of dust got rusty simultaneously, its service conditions is very abominable, carrying roller quantity is also more, so the replacing task is often arranged.Generally when changing carrying roller earlier belt is held up, unload old carrying roller then and replace with newly again, a wherein most important link holds up belt exactly.It is very tight that yet belt is stretched tight under the tensile force effect, and particularly blast furnace master belt will hold up to be difficult to.The method of Cai Yonging is to utilize chain block with the belt pull-up now, but adopt cucurbit must choose the aerial suspension point, this has brought very big potential safety hazard undoubtedly, especially its terrain clearance rice up to a hundred are very dangerous on main belt, the other not steel structure support as main belt of this external some belt equipment, can't find the hitch point of cucurbit, this has brought many inconvenience to maintenance.If yet it is more feasible to adopt hand-hydraulic jack or scissors lifting screw to come belt elevator to say so theoretically, but there are following several point defects in it: at first its hoisting speed is very slow for the hand-hydraulic jack, hoisting speed is below 5mm/ time, the required hoisting depth of general replacement carrying roller is about 150mm, promoting this some height so will about one minute, one minute sensuously very short but for blast furnace its stockline descend very fast, the length of time will directly have influence on productivity effect, so this point is worthless; For the scissors lifting screw, it also has identical defective, and than the effort more of fluid pressure type.
Summary of the invention
The utility model is intended to address the above problem, and provides a kind of blast furnace feeding belt roller to change and uses bont.Adopt the utility model to change quick, laborsaving, the safety of belt, can reach convenient, flexibly at the same time, for the replacing of carrying roller gains time.
The utility model is achieved in that a kind of blast furnace feeding belt roller is changed and uses bont, comprises base plate, also comprises: a support, and it is two clamping plate that relatively vertically are arranged on the bottom surface of base plate, the correspondence position of its opposite face has straight trough; Between two clamping plate of support, be provided with:
One tooth bar, it uprightly is provided with near described up-and-down rod, and its bottom is provided with the straight pin that passes the tooth bar body, and these straight pin two ends can be positioned at the straight trough of described support respectively up or down;
One U-lag, it can connect the top of described support up or down with a bolt;
A pair of gear, they be installed in support two clamping plate upper ends separately by axle and divide be listed in described tooth bar both sides and and tooth bar mesh;
One ratchet, the coaxial setting of gear of it and a side;
One pressing plate, it is a semi-round ring shape, and pivotal joint is on support swingably at its middle part, and an end is a free end, and when it swung to certain angle, the other end can be resisted against the back side of hook tooth;
One retracing spring, its end is fixed on the support, and the other end connects on the pressing plate body;
One self-locking ratchet, its end pivoting are connected on the clamping plate of ratchet below, and the other end is resisted against on the hook tooth;
One reinforcement bar, its end and base plate baffle plate pivotal joint, axle is provided with driven gear, the other end can rotate around its shaft contact, the body of rod is provided with the U-shaped connecting rod, and U-shaped connecting rod two ends are fixed on reinforcement bar one side, thereby forms the space of a semicircle between reinforcement bar and U-shaped connecting rod;
One power ratchet, its end pivoting are connected near the reinforcement bar shaft contact the body of rod, axle be provided with both sides respectively with the driven gear ingear transmission gear of gear, reinforcement bar, the other end of described power ratchet contacts with the hook tooth front;
One pull bar, it is arranged on the reinforcement bar and has U-shaped connecting rod side, and its semicircle space of passing described U-shaped connecting rod is fixed near the power ratchet free end with its bottom, and the other end has right angle hook, described pull bar body of rod middle part also is provided with a kirby, and the U-shaped connecting rod is between right angle hook and kirby.
Described blast furnace feeding belt roller is changed and used bont, described baffle plate is rectangle, is provided with in corresponding oblique angle, pull bar moving region in draw rod positions.
Bont of the present utility model has not only adopted the force increasing arm effect to make work laborsaving, and utilized ratchet device to make hoisting speed to be greatly improved, its hoisting speed is at 40--50mm/ time, so only needed tens seconds just can rise to 150mm, shortened the repairing time greatly and improved efficient.The utility model also is the more new-type jack of a purposes, and it can generally be applicable to many occasions that need to promote weight.
Description of drawings
Below, in conjunction with the accompanying drawings the utility model is further described:
Fig. 1 is a scheme drawing of the present invention;
Fig. 2 is Ah A-A's cutaway view among Fig. 1;
Fig. 3 be among Fig. 2 B to view.
The specific embodiment
As shown in Figure 1 to Figure 3: a kind of blast furnace feeding belt roller is changed and is used bont, comprises base plate 1, also comprises: a support 2, and it is two clamping plate that relatively vertically are arranged on the bottom surface of base plate, the correspondence position of its opposite face has straight trough 13; Between two clamping plate of support 2, be provided with:
One tooth bar 3, its up-and-down rod uprightly is provided with, and its bottom is provided with the straight pin 22 that passes tooth bar 3 bodies, and these straight pin 22 two ends can be positioned at the straight trough 13 of described support respectively up or down;
One U-lag 31, it can connect the top of described support up or down with a bolt;
A pair of gear 4, they be installed in 3 liang of clamping plate of support upper end separately by axle and divide be listed in described tooth bar 3 both sides and and tooth bar 3 mesh;
One ratchet 5, the gear 4 coaxial settings of it and a side;
One pressing plate 6, it is a semi-round ring shape, and pivotal joint is on support swingably at its middle part, and an end is a free end, and when it swung to certain angle, the other end can be resisted against the back side of ratchet 5 teeth;
One retracing spring 7, its end is fixed on the support 2, and the other end connects on pressing plate 6 bodies;
One self-locking ratchet 8, its end pivoting is connected on the clamping plate of ratchet 5 belows, and the other end is resisted against on ratchet 5 teeth;
One reinforcement bar 9, its end and support 2 baffle plate pivotal joints, axle is provided with driven gear 27, the other end can rotate around its shaft contact, the body of rod is provided with U-shaped connecting rod 15, and U-shaped connecting rod 15 two ends are fixed on reinforcement bar 9 one sides, thereby forms the space of a semicircle between reinforcement bar 9 and U-shaped connecting rod 15;
One power ratchet 10, its end pivoting are connected near reinforcement bar 9 shaft contacts the body of rod, axle be provided with both sides respectively with the driven gear ingear transmission gear of gear 4, reinforcement bar 9, the other end of described power ratchet 10 contacts with ratchet 5 teeth front;
One pull bar 11, it is arranged on the reinforcement bar and has U-shaped connecting rod 15 sides, its semicircle space of passing described U-shaped connecting rod 15 is fixed near power ratchet 10 free ends with its bottom, the other end has right angle hook, described pull bar 11 bodies of rod middle part also is provided with a kirby, and U-shaped connecting rod 15 is between right angle hook and kirby.
Described clamping plate are rectangle, are provided with in corresponding oblique angle, pull bar 11 moving regions in pull bar 11 positions.
Claims (2)
1. a blast furnace feeding belt roller is changed and is used bont, comprises base plate, it is characterized in that, also comprises: a support, and it is two clamping plate that relatively vertically are arranged on the bottom surface of base plate, the correspondence position of its opposite face has straight trough; Between two clamping plate of support, be provided with:
One tooth bar, it uprightly is provided with near described up-and-down rod, and its bottom is provided with the straight pin that passes the tooth bar body, and these straight pin two ends can be positioned at the straight trough of described support respectively up or down;
One U-lag, it can connect the top of described support up or down with a bolt;
A pair of gear, they be installed in support two clamping plate upper ends separately by axle and divide be listed in described tooth bar both sides and and tooth bar mesh;
One ratchet, the coaxial setting of gear of it and a side;
One pressing plate, it is a semi-round ring shape, and pivotal joint is on support swingably at its middle part, and an end is a free end, and when it swung to certain angle, the other end can be resisted against the back side of hook tooth;
One retracing spring, its end is fixed on the support, and the other end connects on the pressing plate body;
One self-locking ratchet, its end pivoting are connected on the clamping plate of ratchet below, and the other end is resisted against on the hook tooth;
One reinforcement bar, its end and base plate baffle plate pivotal joint, axle is provided with driven gear, the other end can rotate around its shaft contact, the body of rod is provided with the U-shaped connecting rod, and U-shaped connecting rod two ends are fixed on reinforcement bar one side, thereby forms the space of a semicircle between reinforcement bar and U-shaped connecting rod;
One power ratchet, its end pivoting are connected near the reinforcement bar shaft contact the body of rod, axle be provided with both sides respectively with the driven gear ingear transmission gear of gear, reinforcement bar, the other end of described power ratchet contacts with the hook tooth front;
One pull bar, it is arranged on the reinforcement bar and has U-shaped connecting rod side, and its semicircle space of passing described U-shaped connecting rod is fixed near the power ratchet free end with its bottom, and the other end has right angle hook, described pull bar body of rod middle part also is provided with a kirby, and the U-shaped connecting rod is between right angle hook and kirby.
2. blast furnace feeding belt roller according to claim 1 is changed and is used bont, it is characterized in that described baffle plate is a rectangle, is provided with in corresponding oblique angle, pull bar moving region in draw rod positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200688197U CN201024059Y (en) | 2007-04-10 | 2007-04-10 | Lifting device for changing blast furnace feeding belt roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200688197U CN201024059Y (en) | 2007-04-10 | 2007-04-10 | Lifting device for changing blast furnace feeding belt roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201024059Y true CN201024059Y (en) | 2008-02-20 |
Family
ID=39097913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200688197U Expired - Fee Related CN201024059Y (en) | 2007-04-10 | 2007-04-10 | Lifting device for changing blast furnace feeding belt roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201024059Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058723A (en) * | 2016-07-01 | 2016-10-26 | 贵州电网有限责任公司安顺供电局 | Labor-saving support |
| CN108160806A (en) * | 2018-01-08 | 2018-06-15 | 成都飞机工业（集团）有限责任公司 | Hand-operated rocker arm automatic die cutter |
-
2007
- 2007-04-10 CN CNU2007200688197U patent/CN201024059Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058723A (en) * | 2016-07-01 | 2016-10-26 | 贵州电网有限责任公司安顺供电局 | Labor-saving support |
| CN108160806A (en) * | 2018-01-08 | 2018-06-15 | 成都飞机工业（集团）有限责任公司 | Hand-operated rocker arm automatic die cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 |