CN202322015U - Main end beam connecting system for bridge crane - Google Patents
Main end beam connecting system for bridge crane Download PDFInfo
- Publication number
- CN202322015U CN202322015U CN2011204444516U CN201120444451U CN202322015U CN 202322015 U CN202322015 U CN 202322015U CN 2011204444516 U CN2011204444516 U CN 2011204444516U CN 201120444451 U CN201120444451 U CN 201120444451U CN 202322015 U CN202322015 U CN 202322015U
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- end carriage
- connecting panel
- girder
- beam connecting
- main
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Abstract
The utility model discloses a main end beam connecting system for a bridge crane, belonging to the technical field of hoisting equipment. The system comprises a main beam connecting plate, an end beam connecting plate, positioning blocks and high-intensity bolts; the main beam connecting plate is welded with a web plate and a lower cover plate of a main beam, and the end beam connecting plate is welded onto an upper cover plate of an end beam; openings are arranged on the main beam connecting plate, and the openings are matched with the positioning blocks welded onto the end beam connecting plate; two sides of the main beam connecting plate and the end beam connecting plate are respectively provided with bolt holes; and the main beam connecting plate is connected with the end beam connecting plate by the high-intensity bolts through the bolt holes. The main end beam connecting system provided by the utility model is compact in structure, reliable to connect, and convenient to install, and the dependence of the end beam to the main beam can be greatly reduced, so that the modularization of the end beam can be realized, and the existing connecting format can be replaced; therefore, the system is applicable to the bridge crane.
Description
Technical field
The utility model relates to the weight-lifting equipment technical field, particularly a kind of main end carriage connected system that is used for crane in bridge type.
Background technology
The connection mode of bridging crane main beam and end carriage is a lot of at present, can be divided into welding and bolted connection two big classes by connection mode.
Welding manner is mainly used in the half-bridge shelf structure, because along with connecting panel is welded on girder and the end carriage, crane span structure is on-dismountable, and the storage, transportation etc. that therefore cause structure are inconvenience very; Because the segmentation of end carriage causes end carriage can not realize modularization, makes enterprise have to create the individual demand that the huge product line of quantity satisfies the user, cause the cost of product to improve, Time To Market prolongs; In use, main end carriage junction is easy to generate crackle, causes safety factor to descend.
Bolt is mainly used in four girder constructions, from the mutual alignment relational angle of girder and end carriage, roughly can be divided into overlap joint, half lap scarf joint and flush three kinds.The mode of flushing has shearing resistance flange, fricional washer, locating dowel pin to cooperate forms such as high strength bolt surely.The form that flushes mainly assigns to resist the shearing of vertical direction by connecting portion, require connecting device to have higher safety, and frock requires high.The half lap scarf joint form is also used to some extent; But because load is uncertain in the web and the end carriage web load distribution relation between the two of girder junction; It is main being still with the designing requirement that flushes in fact when therefore designing, and the overlap of girder only plays the margin f sefety effect.Joint form since girder some extend to end carriage top, with respect to flush, it is not only stressed clear and definite for the half lap scarf joint form, and owing to lean on the web shearing resistance of girder, therefore the shearing resistance to connecting device requires to descend, safety performance obviously improves.
But; It is following not enough that joint form adopts more connection mode to exist at present: 1. do not have connecting panel; Bolt hole is set directly on the end carriage upper cover plate; Owing to will join brill with the bolt hole of girder, cause the processing of end carriage that girder is had very strong dependence, be inconvenient to realize the modularization of end carriage; 2. use plain bolt; And bolt is arranged in the middle of two webs of end carriage; So not only need open hand hole at the web of end carriage, with convenient installation to bolt, and because the high strength bolt of the load ratio same size that plain bolt bears is little; So the quantity of bolt increases, cause the processing capacity of bolt hole and the work capacity of installation to increase; 3. in order to satisfy the location needs of each parts, in the middle of installation process, adopt locating dowel pin, and the installation of locating dowel pin is not too convenient.
The utility model content
When connecting in order to solve existing crane girder, end carriage big, the frock of connecting bridge processing capacity require high, the not high and caused crane span structure cost of installation of safety is high, the difficult problems such as modularization that realize end carriage; The utility model provides a kind of main end carriage connected system that is used for crane in bridge type, and said system comprises girder connecting panel, end carriage connecting panel, locating piece and high strength bolt; Web, the lower cover of said girder connecting panel and girder weld, and said end carriage connecting panel is soldered on the end carriage upper cover plate; Offer gap on the said girder connecting panel, said gap matches with locating piece on being soldered to said end carriage connecting panel; The both sides of said girder connecting panel, end carriage connecting panel are respectively equipped with bolt hole; Said high strength bolt connects girder connecting panel, end carriage connecting panel through said bolt hole.
The center of said locating piece is provided with the circular hole of welding usefulness.
Said locating piece upper surface is provided with 45 degree chamferings.
Said high strength bolt is after accomplishing being connected of said end carriage connecting panel and end carriage, and said high strength bolt is positioned at the web outside of end carriage.
Said gap is the rectangle gap; Said locating piece is the rectangle locating piece.
The quantity of said bolt hole is a plurality of.
The main end carriage connected system compact conformation that the utility model provides, connect reliable, easy for installation, can reduce by a relatively large margin end carriage to the dependence of girder to realize the modularization of end carriage, hoisting crane is developed to the modularization direction has played favourable impetus; The connection mode that the utility model provides has been improved the stressed effect of bolt greatly, helps the raising of crane span structure safety.
Description of drawings
Fig. 1 is the front view of the locating piece that provides of the utility model embodiment;
Fig. 2 is the birds-eye view of the locating piece that provides of the utility model embodiment;
Fig. 3 is the birds-eye view of the girder connecting panel that provides of the utility model embodiment;
Fig. 4 is the birds-eye view of the end carriage connecting panel that provides of the utility model embodiment;
Fig. 5 is the front view that the utility model embodiment is used for the main end carriage connected system of crane in bridge type;
Fig. 6 is the birds-eye view that the utility model embodiment is used for the main end carriage connected system of crane in bridge type.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model technical scheme is further described.
Referring to Fig. 5 and Fig. 6, the utility model embodiment provides a kind of main end carriage connected system that is used for crane in bridge type, and this system comprises girder connecting panel 1, end carriage connecting panel 2, rectangle locating piece 3 and high-strength large hexagon head bolt used for steel structure.Shown in Fig. 1-4; After girder connecting panel 1, end carriage connecting panel 2 and rectangle locating piece 3 are accomplished the processing that is shaped; Girder connecting panel 1, end carriage connecting panel 2 are joined brill, with bolt girder connecting panel 1 and end carriage connecting panel 2 are connected as one again and carry out follow-up crane span structure making.Rectangle locating piece 3 is holed and chamfering, and the fitting surface between the rectangle gap on fine limit work rectangle locating piece 3 and the girder connecting panel 1; The assembled on site of crane span structure for ease, processing girder connecting panel 1 are during with rectangle locating piece 3, and the matching relationship between both fitting surfaces will be consistent with design paper.Girder connecting panel 1 is welded as lower cover part web, the lower cover with girder, and end carriage connecting panel 2 also temporarily is mounted on above the girder thereupon, will decide in the rectangle gap that rectangular bit piece 3 is mounted to the girder connecting panel again.After treating that end carriage is transported to the making scene of girder; Carry out the prepackage of crane span structure; After the relative position relation of adjustment each several part meets the demands each item error; End carriage connecting panel 2 and end carriage upper cover plate, rectangle locating piece 3 are welded with the connecting portion of end carriage connecting panel 2, disassemble bolt afterwards, the disintegration crane span structure.When guaranteeing crane span structure four girder constructions, end carriage obviously reduces the degree of dependence of girder like this, and safety performance is also higher.During on-site installation, treat that the lifting of end carriage, girder is accomplished after, realize the contraposition of rectangle locating piece 3 and end carriage connecting panel 2 through the adjustment end carriage.The both sides of girder connecting panel 1, end carriage connecting panel 2 are respectively equipped with a plurality of bolts hole; High-strength large hexagon head bolt used for steel structure is used the high strength heavy series hexagon nut through this bolt hole, steel structure with high-strength steel washer and steel structure; After girder connecting panel 1, the 2 completion connections of end carriage connecting panel; High-strength large hexagon head bolt used for steel structure is positioned at the web outside of end carriage, and whole crane span structure assembling is accomplished.
In the present embodiment, the shearing of horizontal surface is born by the friction force that high strength bolt forms, and rectangle locating piece 3 plays margin f sefety.Rectangle locating piece 3 heart therein is provided with the circular hole (this circular hole is the aforementioned hole that rectangle locating piece 3 is bored) that welds usefulness, and 4 limits of the upper surface of rectangle locating piece 3 are provided with 45 degree chamferings, the clamping of girder on end carriage when having made things convenient for on-site installation like this; In practical application, the chamfering number of degrees of rectangle locating piece 3 upper surfaces can also also can be realized present embodiment for 30 degree, 60 degree or other angles; In practical application, can also use the locating piece of other shapes, for example rhombus locating piece, hexagon locating piece or circular locating piece etc. also can be realized present embodiment; Correspondingly, the gap shape on the girder connecting panel 1 also can be rhombus, hexagon or circle etc.
In the present embodiment, be used for the web outside that the bonded assembly high strength bolt is arranged on end carriage, having solved on the end carriage needs to excavate the problem of hand hole for high strength bolt is installed; Simultaneously, the required bolt quantity of main end carriage connected system of present embodiment reduces to some extent, and the position visuality that high strength bolt is installed is good, is convenient to construction, has simplified the processing technology of end carriage.
Present embodiment makes the end carriage upper cover plate strengthened in the structure of connecting portion through setting up girder connecting panel and end carriage connecting panel, has improved the safety performance of structure; Bolt hole is arranged on girder connecting panel and the end carriage connecting panel, so only need join brill to girder connecting panel and end carriage connecting panel, and that has saved end carriage upper cover plate part bolt hole joins driller's preface.In addition, because the end carriage connecting panel makes end carriage reduce greatly the dependence of girder with end carriage processing, so the end carriage girder can realize independent making, and the modularization of end carriage is easy to realize, has advanced the modularization work of end carriage effectively.Present embodiment is provided with locating piece through connecting on the version at end carriage, makes when the hoisting crane on-site installation, has made things convenient for the location of girder, with respect to original mounting means, need not dispose locating dowel pin again, need not plug locating dowel pin again, and is easy for installation, reduced installation workload; And locating piece has played the margin f sefety effect owing to can lean on shearing in the weld seam opposing horizontal surface, has improved the safety factor of connected system.
The technical scheme of the utility model embodiment is subsidized by the national science and technology supporting plan.Project name is " green manufacturing gordian technique and equipment " (item number: 2001BAF11B00).Project name is called " universal crane in bridge type light-weight design technology and application " (project number: 2001BAF11B02).
Above-described specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. a main end carriage connected system that is used for crane in bridge type is characterized in that said system comprises girder connecting panel, end carriage connecting panel, locating piece and high strength bolt; Web, the lower cover of said girder connecting panel and girder weld, and said end carriage connecting panel is soldered on the end carriage upper cover plate; Offer gap on the said girder connecting panel, said gap matches with locating piece on being soldered to said end carriage connecting panel; The both sides of said girder connecting panel, end carriage connecting panel are respectively equipped with bolt hole; Said high strength bolt connects girder connecting panel, end carriage connecting panel through said bolt hole.
2. the main end carriage connected system that is used for crane in bridge type as claimed in claim 1 is characterized in that, the center of said locating piece is provided with the circular hole of welding usefulness.
3. the main end carriage connected system that is used for crane in bridge type as claimed in claim 2 is characterized in that, said locating piece upper surface is provided with 45 degree chamferings.
4. the main end carriage connected system that is used for crane in bridge type as claimed in claim 3 is characterized in that, said high strength bolt is after accomplishing being connected of said end carriage connecting panel and end carriage, and said high strength bolt is positioned at the web outside of end carriage.
5. the main end carriage connected system that is used for crane in bridge type as claimed in claim 4 is characterized in that said gap is the rectangle gap; Said locating piece is the rectangle locating piece.
6. the main end carriage connected system that is used for crane in bridge type as claimed in claim 5 is characterized in that the quantity of said bolt hole is a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204444516U CN202322015U (en) | 2011-11-10 | 2011-11-10 | Main end beam connecting system for bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204444516U CN202322015U (en) | 2011-11-10 | 2011-11-10 | Main end beam connecting system for bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202322015U true CN202322015U (en) | 2012-07-11 |
Family
ID=46434005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204444516U Expired - Lifetime CN202322015U (en) | 2011-11-10 | 2011-11-10 | Main end beam connecting system for bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202322015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358565A (en) * | 2011-11-10 | 2012-02-22 | 北京起重运输机械设计研究院 | Main end beam connecting system for bridge crane |
| CN103481026A (en) * | 2013-08-30 | 2014-01-01 | 河南卫华重型机械股份有限公司 | Girder machining method and girder machining device for crane and crane span collecting-mounting method |
-
2011
- 2011-11-10 CN CN2011204444516U patent/CN202322015U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358565A (en) * | 2011-11-10 | 2012-02-22 | 北京起重运输机械设计研究院 | Main end beam connecting system for bridge crane |
| CN103481026A (en) * | 2013-08-30 | 2014-01-01 | 河南卫华重型机械股份有限公司 | Girder machining method and girder machining device for crane and crane span collecting-mounting method |
| CN103481026B (en) * | 2013-08-30 | 2016-08-10 | 河南卫华重型机械股份有限公司 | Crane girder processing method, girder processing unit (plant) and crane span structure remittance dress method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Lama Temple street, Dongcheng District, Dongcheng District, Beijing Patentee after: Beijing lifting and conveying machinery design and Research Institute Co., Ltd. Address before: 100007 Lama Temple street, Dongcheng District, Dongcheng District, Beijing Patentee before: Beijing Materials Handling Research Institute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |