CN110629676A - Frame structure of large-tonnage beam erecting crane - Google Patents
Frame structure of large-tonnage beam erecting crane Download PDFInfo
- Publication number
- CN110629676A CN110629676A CN201910767825.9A CN201910767825A CN110629676A CN 110629676 A CN110629676 A CN 110629676A CN 201910767825 A CN201910767825 A CN 201910767825A CN 110629676 A CN110629676 A CN 110629676A
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- truss
- cross beam
- trusses
- front cross
- frame
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- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000004873 anchoring Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a frame structure of a large-tonnage girder erection crane, which belongs to the field of cranes and has the technical scheme that the large-tonnage girder erection crane comprises two side truss trusses and two middle truss trusses, wherein the lower ends of the side truss trusses and the middle truss trusses are fixed on a front cross beam, and the upper ends of the side truss trusses and the middle truss trusses are connected through a truss connecting cross beam; the two side truss trusses are respectively arranged on the left end and the right end of the front cross beam, and the two middle truss trusses are arranged in the middle of the front cross beam; the single side truss, the single middle truss, the truss connecting cross beam and the front cross beam form a square frame. The stress of each point of the crane frame can be uniform, so that the stress capacity of the crane frame is effectively improved on the premise of keeping simple structure, and the problem that the frame cannot be supported due to the fact that a super-tonnage beam-erecting crane is large in load is solved.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a rack structure of a large-tonnage beam erecting crane.
Background
The girder erection crane is a special construction device commonly used in bridge erection construction, and the conventional girder erection crane adopts two main truss frames and two-point anchoring arrangement. For the applied girder erection crane, the self weight exceeds 1000t, the lifting capacity is 1800t, so the part load and the anchoring load of the frame of the super-tonnage girder erection crane are also very large, and the requirements cannot be met if the conventional frame and anchoring arrangement is adopted.
Therefore, the frame structure of the large-tonnage beam-erecting crane is provided.
Disclosure of Invention
The invention mainly aims to provide a frame structure of a large-tonnage beam erecting crane, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides a rack structure of a large-tonnage girder erection crane, which comprises two side truss trusses and two middle truss trusses, wherein the lower ends of the side truss trusses and the middle truss trusses are fixed on a front cross beam, and the upper ends of the side truss trusses and the middle truss trusses are connected through a truss connecting cross beam; the two side truss trusses are respectively arranged on the left end and the right end of the front cross beam, and the two middle truss trusses are arranged in the middle of the front cross beam; the single side truss, the single middle truss, the truss connecting cross beam and the front cross beam form a square frame.
Furthermore, the support frame further comprises a connecting system, wherein the connecting system is arranged in the frame and is in lap joint with the side truss, the middle truss, the truss connecting cross beam and the front cross beam, so that the side truss, the middle truss, the truss connecting cross beam and the front cross beam are stably connected.
Furthermore, the connection system is composed of a plurality of steel beams, and the steel beams are connected with the side truss, the middle truss, the truss connecting cross beam and the front cross beam in pairs.
Furthermore, rear anchor beams are mounted on the lower portions of the two side truss trusses and the two middle truss trusses and are located behind the front cross beam.
Furthermore, a rear anchor assembly is mounted on the rear anchor beam, so that the rear anchor beam is fixed on the station steel beam.
Furthermore, the rear anchor assembly comprises side truss anchoring parts and middle truss anchoring parts, the two side truss anchoring parts are respectively installed at two ends of the rear anchor beam, and the two middle truss anchoring parts are installed in the middle of the rear anchor beam.
By applying the technical scheme of the invention, the beneficial effects are as follows: this kind of support frame, be used for large-tonnage beam erecting crane, through single side truss, truss in single, truss connection crossbeam and front beam constitute "square" frame construction, make and form four main truss frames, and two side truss set up respectively on the tip about the front beam, truss sets up the middle part at the front beam in two, can make each point atress of crane frame even, thereby at the prerequisite that keeps simple structure, the atress ability of crane frame has been improved effectively, it is big to have solved tonnage beam erecting crane atress, cause the unable problem that supports of frame.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows an overall block diagram of the present invention;
FIG. 2 shows a diagram of the present invention;
figure 3 shows a diagram of the present invention.
Wherein the figures include the following reference numerals:
10. a side truss; 20. a middle truss; 30. the truss is connected with the cross beam; 40. a connecting system; 50. a front cross member; 60. a spreader; 70. a rear anchor assembly; 71. a side rail anchor; 72. and a middle truss anchoring part.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, the invention provides a frame structure of a large-tonnage girder erection crane, which comprises two side truss trusses 10 and two middle truss trusses 20, wherein the lower ends of the side truss trusses 10 and the middle truss trusses 20 are fixed on a front cross beam 50, and the upper ends are connected through a truss connecting cross beam 30; the two side truss trusses 10 are respectively arranged on the left and right ends of the front cross beam 50, and the two middle truss trusses 20 are arranged in the middle of the front cross beam 50; wherein, the single edge truss 10, the single middle truss 20, the truss connecting beam 30 and the front beam 50 form a square frame.
By applying the technical scheme of the embodiment, the two side truss trusses 10 and the middle truss 20 are transversely arranged, the upper part is connected with the truss connecting beam 30, the lower part is connected with the front cross beam 50, so that the frame is formed, a square frame structure is formed by the single side truss 10, the single middle truss 20, the truss connecting beam 30 and the front cross beam 50, so that four main truss frames are formed, the two side truss trusses 10 are respectively arranged on the left end part and the right end part of the front cross beam 50, and the two middle truss trusses 20 are arranged in the middle of the front cross beam 50, so that the stress of each point of the crane frame is uniform, the simple structure is kept, the stress capacity of the crane frame is effectively improved, and the problem that the crane with the extra-large tonnage truss girder is subjected to large load and the frame.
For the specific structure of the support frame, as shown in fig. 2, the support frame further includes a connection system 40, the connection system 40 is disposed in the frame and is overlapped on the edge truss 10, the middle truss 20, the truss connection cross beam 30 and the front cross beam 50, so that the edge truss 10, the middle truss 20, the truss connection cross beam 30 and the front cross beam 50 are stably connected.
Specifically, the connection system 40 is composed of a plurality of steel beams, and the steel beams are connected to the side truss 10, the middle truss 20, the truss connection cross beam 30, and the front cross beam 50 in pairs.
In this embodiment, the steel beam is connected with the side truss 10, the middle truss 20, the truss connecting beam 30 and the front beam 50 in pairs, so that the frame can be prevented from shaking, and the stability of crane installation is effectively improved.
As shown in fig. 3, rear anchor beams 60 are installed at the lower portions of the two side truss girders 1 and the two middle truss girders 2, and the rear anchor beams 60 are located behind the front cross member 50;
wherein, the rear anchor assembly 70 is installed on the rear anchor beam 60, so that the rear anchor beam 60 is fixed on the station steel beam, and further the fixation of the whole machine is completed.
With respect to the specific structure of the rear anchor assembly 70, as shown in fig. 3, the rear anchor assembly 70 includes side truss anchors 71 and middle truss anchors 72, the two side truss anchors 71 are respectively installed at both ends of the rear anchor beam 60, and the two middle truss anchors 72 are installed in the middle of the rear anchor beam 60.
In this kind of structure, two side purlin anchor assembly 71 and two in purlin anchor assembly 72 anchor on the position girder steel, thereby make back anchor beam 60 install on the position girder steel, install the both ends at back anchor beam 60 respectively through two side purlin anchor assembly 71, purlin anchor assembly 72 installs the middle part at back anchor beam 60 in two, can guarantee that the fulcrum counter-force of complete machine and back anchor beam evenly transmit to the position girder steel on, form four anchor point and arrange moreover, can improve the stability of hoist.
From the above description, it can be seen that the specific use method and operation principle of the above-described embodiment of the present invention are as follows: firstly, two side truss trusses 10 and a middle truss 20 are transversely arranged, the upper part is connected with a truss connecting beam 30, and the lower part is connected with a front beam 50, so that a frame is formed, then, a steel beam is connected with the side truss trusses 10, the middle truss 20, the truss connecting beam 30 and the front beam 50 in pairs, so that the frame can be prevented from shaking, and then, the two side truss anchoring parts 71 and the two middle truss anchoring parts 72 are anchored on a standing steel beam, so that a rear anchoring beam 60 is fixedly connected with the standing steel beam, and the installation and fixation of the whole machine are completed.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a rack construction of large-tonnage frame beam hoist which characterized in that: comprises that
The truss structure comprises side truss trusses (10) and middle truss trusses (20), wherein the number of the side truss trusses (10) and the number of the middle truss trusses (20) are two, the lower ends of the side truss trusses (10) and the middle truss trusses (20) are fixed on a front cross beam (50), and the upper ends of the side truss trusses and the middle truss trusses are connected through a truss connecting cross beam (30);
the two side truss trusses (10) are respectively arranged on the left end and the right end of the front cross beam (50), and the two middle truss trusses (20) are arranged in the middle of the front cross beam (50);
the single side truss (10), the single middle truss (20), the truss connecting cross beam (30) and the front cross beam (50) form a square frame.
2. The frame structure of a large-tonnage beam-erecting crane according to claim 1, wherein: the supporting frame further comprises a connecting system (40), wherein the connecting system (40) is arranged in the frame and is in lap joint with the side truss (10), the middle truss (20), the truss connecting cross beam (30) and the front cross beam (50) so that the side truss (10), the middle truss (20), the truss connecting cross beam (30) and the front cross beam (50) are stably connected.
3. The frame structure of a large-tonnage beam-erecting crane according to claim 2, wherein: the connecting system (40) is composed of a plurality of steel beams, and the steel beams are connected with the side truss (10), the middle truss (20), the truss connecting cross beam (30) and the front cross beam (50) in pairs.
4. The frame structure of a large-tonnage beam-erecting crane according to claim 1, wherein: rear anchor beams (60) are mounted on the lower portions of the two side truss trusses (1) and the two middle truss trusses (2), and the rear anchor beams (60) are located behind the front cross beam (50).
5. The frame structure of a large-tonnage beam-erecting crane according to claim 4, wherein: and a rear anchor assembly (70) is arranged on the rear anchor beam (60) so that the rear anchor beam (60) is fixed on the station steel beam.
6. The frame structure of a large-tonnage beam-erecting crane according to claim 5, wherein: the rear anchor assembly (70) comprises side truss anchoring pieces (71) and middle truss anchoring pieces (72), the two side truss anchoring pieces (71) are respectively installed at two ends of the rear anchor beam (60), and the two middle truss anchoring pieces (72) are installed in the middle of the rear anchor beam (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910767825.9A CN110629676A (en) | 2019-08-20 | 2019-08-20 | Frame structure of large-tonnage beam erecting crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910767825.9A CN110629676A (en) | 2019-08-20 | 2019-08-20 | Frame structure of large-tonnage beam erecting crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110629676A true CN110629676A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910767825.9A Pending CN110629676A (en) | 2019-08-20 | 2019-08-20 | Frame structure of large-tonnage beam erecting crane |
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| CN (1) | CN110629676A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508403A (en) * | 2009-03-06 | 2009-08-19 | 武桥重工集团股份有限公司 | Girderr crane using three-point statically indeterminate hoisting system |
| CN102795559A (en) * | 2012-08-03 | 2012-11-28 | 中铁九桥工程有限公司 | Frame mast crane |
| CN203866715U (en) * | 2014-06-18 | 2014-10-08 | 中铁二十四局集团安徽工程有限公司 | Multi-roof-truss rhombic truss hanging basket for long-cantilever box beam construction |
| KR20150134694A (en) * | 2014-05-22 | 2015-12-02 | 김남열 | Form traveler, and bridge construction method for using the same |
| CN105565198A (en) * | 2016-03-10 | 2016-05-11 | 中铁大桥局集团有限公司 | Multipoint hoisting stress equalizing device |
| CN108004927A (en) * | 2017-11-30 | 2018-05-08 | 中铁二十局集团第工程有限公司 | Double limb triangle hanging basket and large span continuous rigid frame bridge cantilever beam section construction methods |
| CN109399461A (en) * | 2017-11-02 | 2019-03-01 | 河南卫华重型机械股份有限公司 | The more supporting points of erecting machine rack carry and overload protection automatic control system |
| CN211200083U (en) * | 2019-08-20 | 2020-08-07 | 中铁九桥工程有限公司 | Support frame |
-
2019
- 2019-08-20 CN CN201910767825.9A patent/CN110629676A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508403A (en) * | 2009-03-06 | 2009-08-19 | 武桥重工集团股份有限公司 | Girderr crane using three-point statically indeterminate hoisting system |
| CN102795559A (en) * | 2012-08-03 | 2012-11-28 | 中铁九桥工程有限公司 | Frame mast crane |
| KR20150134694A (en) * | 2014-05-22 | 2015-12-02 | 김남열 | Form traveler, and bridge construction method for using the same |
| CN203866715U (en) * | 2014-06-18 | 2014-10-08 | 中铁二十四局集团安徽工程有限公司 | Multi-roof-truss rhombic truss hanging basket for long-cantilever box beam construction |
| CN105565198A (en) * | 2016-03-10 | 2016-05-11 | 中铁大桥局集团有限公司 | Multipoint hoisting stress equalizing device |
| CN109399461A (en) * | 2017-11-02 | 2019-03-01 | 河南卫华重型机械股份有限公司 | The more supporting points of erecting machine rack carry and overload protection automatic control system |
| CN108004927A (en) * | 2017-11-30 | 2018-05-08 | 中铁二十局集团第工程有限公司 | Double limb triangle hanging basket and large span continuous rigid frame bridge cantilever beam section construction methods |
| CN211200083U (en) * | 2019-08-20 | 2020-08-07 | 中铁九桥工程有限公司 | Support frame |
Non-Patent Citations (2)
| Title |
|---|
| 湖北省京珠高速公路建设指挥部: "《湖北省长江公路大桥技术总结》", 31 May 2004, 人民交通出版社, pages: 359 - 362 * |
| 魏岗等: "超大吨位拱塔斜拉桥施工技术", 《江苏建筑》, no. 1, 23 November 2018 (2018-11-23), pages 78 - 79 * |
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