CN105414248A - Correcting device for main beam of crane - Google Patents
Correcting device for main beam of crane Download PDFInfo
- Publication number
- CN105414248A CN105414248A CN201510839715.0A CN201510839715A CN105414248A CN 105414248 A CN105414248 A CN 105414248A CN 201510839715 A CN201510839715 A CN 201510839715A CN 105414248 A CN105414248 A CN 105414248A
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- hydraulic cylinder
- girder
- upside
- base
- piston rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention relates to a correcting device for a main beam of a crane. The correcting device comprises a base A and a base B. The main beam is arranged on the upper side of the base A and the upper side of the base B. A support is arranged on the upper side of the middle of the main beam. A suspended frame is arranged on the inner side of the support. A heating pipe is arranged on the lower side of the suspended frame. A fixed seat A and a fixed seat B are arranged on the outer sides of the support respectively. A supporting table A is arranged on the left side of the main beam. A hydraulic cylinder A and a rotating seat A are arranged on the upper side of the supporting table A. A runner A is arranged on the upper side of the rotating seat A. A lock nut A is arranged on the right side of the rotating seat A. A piston rod A is arranged on the upper side of the hydraulic cylinder A and is connected with a steel rope A. A supporting table B is arranged on the right side of the main beam. A hydraulic cylinder B and a rotating seat B are arranged on the upper side of the supporting table B. A runner B is arranged on the upper side of the rotating seat B. A lock nut B is arranged on the left side of the rotating seat B. A piston rod B is arranged on the upper side of the hydraulic cylinder B and connected with a steel rope B. The correcting device has the beneficial effects of being easy to control and wide in application range.
Description
Technical field
The invention belongs to crane technical field, be specifically related to a kind of apparatus for correcting, particularly a kind of crane girder apparatus for correcting.
Background technology
Along with the rise of socioeconomic development and logistic industry, the application of crane gets more and more, crane is after long-term use, capital produces main beam deformation, formed and sink, cause crane motor-driven carrier or electric block normally can not travel on crane girder, have impact on the normal use of crane, at present for the more employing flame correction method of rectification of crane girder, produce the mode of eccentric moment by the cooled contraction distortion of being heated of crane steel plate girder is bent upwards, thus realize the reparation of girder camber, and adopt flame correction method reparation girder camber not easily to hold, it is by the version of girder, the selection of hot spot, the uncertainty impact of main beam structure self stress, cause the repair cycle long, wayward, workload is large, and have very high requirement to the construction experience of operating personnel, be difficult to promote, the scope of application is little, therefore, provide a kind of rational in infrastructure, easy and simple to handle, be easy to control, applied widely, correct crane girder apparatus for correcting quickly and accurately and be necessary.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and provide a kind of rational in infrastructure, easy and simple to handle, be easy to control, applied widely, correct crane girder apparatus for correcting quickly and accurately.
The object of the present invention is achieved like this: a kind of crane girder apparatus for correcting, it comprises base A and base B, described base A and the upside of base B are provided with girder, support is provided with on the upside of the middle part of described girder, the inner side of described support is provided with suspension, the downside of described suspension is provided with heating tube, the arranged outside of described support has thermocouple, the outside of described support is also respectively arranged with holder A and holder B, the left of described girder is provided with a platform A, the upside of a described platform A is provided with hydraulic cylinder A and swivel base A, the upside of described swivel base A is provided with runner A, the right side of described swivel base A is provided with locking nut A, the upside of described hydraulic cylinder A is provided with piston rod A, described piston rod A is connected with steel cable A, described steel cable A is connected to holder A by runner A and locking nut A, the right of described girder is provided with a platform B, the upside of a described platform B is provided with hydraulic cylinder B and swivel base B, the upside of described swivel base B is provided with runner B, the left side of described swivel base B is provided with locking nut B, the upside of described hydraulic cylinder B is provided with piston rod B, described piston rod B is connected with steel cable B, described steel cable B is connected to holder B by runner B and locking nut B, in the middle part of described girder, downside is provided with backing plate, the downside of described backing plate is provided with piston rod C, the downside of described piston rod C is provided with hydraulic cylinder C.
Described hydraulic cylinder A, hydraulic cylinder B and hydraulic cylinder C are double acting hydraulic cylinder.
Described heating tube is far infrared quartz electrothermal tube.
The quantity of described thermocouple is 2-3.
Described backing plate is rectangle backing plate.
Described runner A and runner B is the hollow runner of cylinder.
Beneficial effect of the present invention: the present invention adopts base A and base B, can be fixed the both sides, bottom of crane girder, ensure the stability of crane girder in rectification work process and safety to, a platform A and Zhi Tai B is respectively arranged with in the left of girder and right, prop up on the upside of platform A and be provided with hydraulic cylinder A, prop up on the upside of platform B and be provided with hydraulic cylinder B, piston rod A and piston rod B can be distinguished by hydraulic cylinder A and hydraulic cylinder B and strain steel cable A and steel cable B, in the middle part of girder, upside is provided with heating tube, in crane rectification work process, girder top is heated, make use of the principle of expanding with heat and contract with cold, make the rectification work of crane fast convenient, adopt locking nut A and locking nut B, after the upper surface of girder is remedied to tram by holder A and holder B, locking nut A and locking nut B can be screwed, at this moment hydraulic cylinder A and hydraulic cylinder B can interruption operation, save the energy, corrected after the reasonable time in that crane girder surface being maintained, adopt hydraulic cylinder C and backing plate, the downwarp formed on the downside of crane girder can be repaired, owing to adopting backing plate, therefore active force is even, flatness after rectification is better, whole rectification work process is steadily easily controlled, can limit measurement limit operation, ensure that the girder of crane is corrected reparation preferably, the present invention have rational in infrastructure, easy and simple to handle, be easy to control, applied widely, correct advantage quickly and accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of crane girder apparatus for correcting of the present invention.
1, base A2, platform A3, swivel base A4, hydraulic cylinder A5, piston rod A6, runner A7, locking nut A8, steel cable A9, holder A10, thermocouple 11, support 12, suspension 13, heating tube 14, holder B15, steel cable B16, locking nut B17, runner B18, piston rod B19, hydraulic cylinder B20, swivel base B21, platform B22, base B23, backing plate 24, piston rod C25, hydraulic cylinder C26, girder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
Embodiment 1
As shown in Figure 1, a kind of crane girder apparatus for correcting, it comprises base A1 and base B22, described base A1 and the upside of base B22 are provided with girder 26, support 11 is provided with on the upside of the middle part of described girder 26, the inner side of described support 11 is provided with suspension 12, the downside of described suspension 12 is provided with heating tube 13, the arranged outside of described support 11 has thermocouple 10, the outside of described support 11 is also respectively arranged with holder A9 and holder B14, the left of described girder 26 is provided with a platform A2, the upside of a described platform A2 is provided with hydraulic cylinder A4 and swivel base A3, the upside of described swivel base A3 is provided with runner A6, the right side of described swivel base A3 is provided with locking nut A7, the upside of described hydraulic cylinder A4 is provided with piston rod A5, described piston rod A5 is connected with steel cable A8, described steel cable A8 is connected to holder A9 by runner A6 and locking nut A7, the right of described girder 26 is provided with a platform B21, the upside of a described platform B21 is provided with hydraulic cylinder B19 and swivel base B20, the upside of described swivel base B20 is provided with runner B17, the left side of described swivel base B20 is provided with locking nut B16, the upside of described hydraulic cylinder B19 is provided with piston rod B18, described piston rod B18 is connected with steel cable B15, described steel cable B15 is connected to holder B14 by runner B17 and locking nut B16, in the middle part of described girder 26, downside is provided with backing plate 23, the downside of described backing plate 23 is provided with piston rod C24, the downside of described piston rod C24 is provided with hydraulic cylinder C25.
The present invention adopts base A1 and base B22, can be fixed the both sides, bottom of crane girder, ensure the stability of crane girder in rectification work process and safety to, a platform A2 and Zhi Tai B21 is respectively arranged with in the left of girder 26 and right, prop up on the upside of platform A2 and be provided with hydraulic cylinder A4, prop up on the upside of platform B21 and be provided with hydraulic cylinder B19, piston rod A5 and piston rod B18 can be distinguished by hydraulic cylinder A4 and hydraulic cylinder B19 and strain steel cable A8 and steel cable B15, in the middle part of girder 26, upside is provided with heating tube 13, in crane rectification work process, girder top is heated, make use of the principle of expanding with heat and contract with cold, make the rectification work of crane fast convenient, adopt locking nut A7 and locking nut B16, after the upper surface of girder is remedied to tram by holder A9 and holder B14, locking nut A7 and locking nut B16 can be screwed, at this moment hydraulic cylinder A4 and hydraulic cylinder B19 can interruption operation, save the energy, corrected after the reasonable time in that crane girder surface being maintained, adopt hydraulic cylinder C25 and backing plate 23, the downwarp formed on the downside of crane girder can be repaired, owing to adopting backing plate 23, therefore active force is even, flatness after rectification is better, whole rectification work process is steadily easily controlled, can limit measurement limit operation, ensure that the girder of crane is corrected reparation preferably, the present invention have rational in infrastructure, easy and simple to handle, be easy to control, applied widely, correct advantage quickly and accurately.
Embodiment 2
As shown in Figure 1, a kind of crane girder apparatus for correcting, it comprises base A1 and base B22, described base A1 and the upside of base B22 are provided with girder 26, support 11 is provided with on the upside of the middle part of described girder 26, the inner side of described support 11 is provided with suspension 12, the downside of described suspension 12 is provided with heating tube 13, the arranged outside of described support 11 has thermocouple 10, the outside of described support 11 is also respectively arranged with holder A9 and holder B14, the left of described girder 26 is provided with a platform A2, the upside of a described platform A2 is provided with hydraulic cylinder A4 and swivel base A3, the upside of described swivel base A3 is provided with runner A6, the right side of described swivel base A3 is provided with locking nut A7, the upside of described hydraulic cylinder A4 is provided with piston rod A5, described piston rod A5 is connected with steel cable A8, described steel cable A8 is connected to holder A9 by runner A6 and locking nut A7, the right of described girder 26 is provided with a platform B21, the upside of a described platform B21 is provided with hydraulic cylinder B19 and swivel base B20, the upside of described swivel base B20 is provided with runner B17, the left side of described swivel base B20 is provided with locking nut B16, the upside of described hydraulic cylinder B19 is provided with piston rod B18, described piston rod B18 is connected with steel cable B15, described steel cable B15 is connected to holder B14 by runner B17 and locking nut B16, in the middle part of described girder 26, downside is provided with backing plate 23, the downside of described backing plate 23 is provided with piston rod C24, the downside of described piston rod C24 is provided with hydraulic cylinder C25, described hydraulic cylinder A4, hydraulic cylinder B19 and hydraulic cylinder C25 is double acting hydraulic cylinder, described heating tube 13 is far infrared quartz electrothermal tube, the quantity of described thermocouple 10 is 2-3, described backing plate 23 is rectangle backing plate, described runner A6 and runner B17 is the hollow runner of cylinder.
The present invention adopts base A1 and base B22, can be fixed the both sides, bottom of crane girder, ensure the stability of crane girder in rectification work process and safety to, a platform A2 and Zhi Tai B21 is respectively arranged with in the left of girder 26 and right, prop up on the upside of platform A2 and be provided with hydraulic cylinder A4, prop up on the upside of platform B21 and be provided with hydraulic cylinder B19, piston rod A5 and piston rod B18 can be distinguished by hydraulic cylinder A4 and hydraulic cylinder B19 and strain steel cable A8 and steel cable B15, in the middle part of girder 26, upside is provided with heating tube 13, in crane rectification work process, girder top is heated, make use of the principle of expanding with heat and contract with cold, make the rectification work of crane fast convenient, adopt locking nut A7 and locking nut B16, after the upper surface of girder is remedied to tram by holder A9 and holder B14, locking nut A7 and locking nut B16 can be screwed, at this moment hydraulic cylinder A4 and hydraulic cylinder B19 can interruption operation, save the energy, corrected after the reasonable time in that crane girder surface being maintained, adopt hydraulic cylinder C25 and backing plate 23, the downwarp formed on the downside of crane girder can be repaired, owing to adopting backing plate 23, therefore active force is even, flatness after rectification is better, whole rectification work process is steadily easily controlled, can limit measurement limit operation, ensure that the girder of crane is corrected reparation preferably, the present invention have rational in infrastructure, easy and simple to handle, be easy to control, applied widely, correct advantage quickly and accurately.
Claims (6)
1. a crane girder apparatus for correcting, it comprises base A and base B, it is characterized in that: described base A and the upside of base B are provided with girder, support is provided with on the upside of the middle part of described girder, the inner side of described support is provided with suspension, the downside of described suspension is provided with heating tube, the arranged outside of described support has thermocouple, the outside of described support is also respectively arranged with holder A and holder B, the left of described girder is provided with a platform A, the upside of a described platform A is provided with hydraulic cylinder A and swivel base A, the upside of described swivel base A is provided with runner A, the right side of described swivel base A is provided with locking nut A, the upside of described hydraulic cylinder A is provided with piston rod A, described piston rod A is connected with steel cable A, described steel cable A is connected to holder A by runner A and locking nut A, the right of described girder is provided with a platform B, the upside of a described platform B is provided with hydraulic cylinder B and swivel base B, the upside of described swivel base B is provided with runner B, the left side of described swivel base B is provided with locking nut B, the upside of described hydraulic cylinder B is provided with piston rod B, described piston rod B is connected with steel cable B, described steel cable B is connected to holder B by runner B and locking nut B, in the middle part of described girder, downside is provided with backing plate, the downside of described backing plate is provided with piston rod C, the downside of described piston rod C is provided with hydraulic cylinder C.
2. a kind of crane girder apparatus for correcting as claimed in claim 1, is characterized in that: described hydraulic cylinder A, hydraulic cylinder B and hydraulic cylinder C are double acting hydraulic cylinder.
3. a kind of crane girder apparatus for correcting as claimed in claim 1, is characterized in that: described heating tube is far infrared quartz electrothermal tube.
4. a kind of crane girder apparatus for correcting as claimed in claim 1, is characterized in that: the quantity of described thermocouple is 2-3.
5. a kind of crane girder apparatus for correcting as claimed in claim 1, is characterized in that: described backing plate is rectangle backing plate.
6. a kind of crane girder apparatus for correcting as claimed in claim 1, is characterized in that: described runner A and runner B is the hollow runner of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510839715.0A CN105414248B (en) | 2015-11-27 | 2015-11-27 | A kind of crane girder apparatus for correcting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510839715.0A CN105414248B (en) | 2015-11-27 | 2015-11-27 | A kind of crane girder apparatus for correcting |
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| Publication Number | Publication Date |
|---|---|
| CN105414248A true CN105414248A (en) | 2016-03-23 |
| CN105414248B CN105414248B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510839715.0A Active CN105414248B (en) | 2015-11-27 | 2015-11-27 | A kind of crane girder apparatus for correcting |
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| CN (1) | CN105414248B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200978524Y (en) * | 2006-10-31 | 2007-11-21 | 江西蓝天学院 | Main beam down deflection correction device |
| CN103817195A (en) * | 2014-02-27 | 2014-05-28 | 吉林大学 | Thin plate tensioning curved surface forming device |
| CN204714342U (en) * | 2015-05-23 | 2015-10-21 | 河南省矿山起重机有限公司 | A kind of twin beams electric hoist type crane girder apparatus for correcting |
| CN204873494U (en) * | 2015-08-31 | 2015-12-16 | 河南真牛起重机有限公司 | Hoist girder orthotic devices |
-
2015
- 2015-11-27 CN CN201510839715.0A patent/CN105414248B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200978524Y (en) * | 2006-10-31 | 2007-11-21 | 江西蓝天学院 | Main beam down deflection correction device |
| CN103817195A (en) * | 2014-02-27 | 2014-05-28 | 吉林大学 | Thin plate tensioning curved surface forming device |
| CN204714342U (en) * | 2015-05-23 | 2015-10-21 | 河南省矿山起重机有限公司 | A kind of twin beams electric hoist type crane girder apparatus for correcting |
| CN204873494U (en) * | 2015-08-31 | 2015-12-16 | 河南真牛起重机有限公司 | Hoist girder orthotic devices |
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| Publication number | Publication date |
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| CN105414248B (en) | 2017-10-17 |
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