CN202766135U - Bridge crane and upper trolley thereof - Google Patents
Bridge crane and upper trolley thereof Download PDFInfo
- Publication number
- CN202766135U CN202766135U CN 201220481864 CN201220481864U CN202766135U CN 202766135 U CN202766135 U CN 202766135U CN 201220481864 CN201220481864 CN 201220481864 CN 201220481864 U CN201220481864 U CN 201220481864U CN 202766135 U CN202766135 U CN 202766135U
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- trolley
- inverted
- shaped beam
- dolly
- upper trolley
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Abstract
The utility model relates to the field of cranes, in particular to a shipbuilding bridge crane and an upper trolley thereof. The bridge crane comprises the upper trolley, the upper trolley comprises an upper trolley frame, upper trolley lifting mechanisms are arranged at two ends of the upper trolley frame, the upper trolley frame comprises an inverted U-shaped beam integrally and fixedly arranged in the middle of the upper trolley frame, the inverted U-shaped beam is provided with a lower circumferential surface in clearance fit with the outer contour of the upper portion of a lower trolley, and the assembly height of the top end of the inverted U-shaped beam is smaller than that of the top of each upper trolley lifting mechanism. The assembly height of each upper trolley lifting mechanism is reduced, the overall height of the upper trolley and the overall height of the bridge crane are further reduced, the construction cost of a factory building can be decreased, and production cost can be remarkably reduced.
Description
Technical field
The utility model relates to the hoisting crane field, particularly shipbuilding crane in bridge type and upper dolly thereof.
Background technology
Elevator machinery is the mechanical equipment of material being done the operations such as lifting, transportation, loading and unloading and installation.Its appearance has changed human for thousands of years with manual situation of moving weight.Along with the progress of science and technology and the development of economic construction, hoisting crane is used more and more wider in the modern production process, acts on more and more large.Each department of current national economy all be unable to do without elevator machinery such as metallurgy, machinery, communications and transportation, electric power, building, mining, chemical industry, shipbuilding, harbour, railway, farm, forest zone and national defence etc.
Along with the development of ship building industry, shipbuilding is increasing with the demand of crane in bridge type.A kind of shipbuilding comprises upper dolly, lower dolly with crane in bridge type in the prior art, upper dolly comprises trolley frame, two groups of lifting mechanisms that are symmetrically distributed in the trolley frame two ends, should adopt horizontal structure by upper trolley frame, easy and the lower dolly of upper dolly interferes, the shipbuilding of this structure is larger with the bottom-to-top-height of crane in bridge type, has caused the construction cost of factory building high.
Summary of the invention
The purpose of this utility model provides a kind of upper trolley frame middle part and is the upper dolly of inverted U-shaped beam, provides simultaneously a kind of crane in bridge type that uses above-mentioned upper dolly, to solve the larger problem of bottom-to-top-height that has crane in bridge type in the prior art.
To achieve these goals, dolly adopts following technical scheme on the crane in bridge type of the present utility model: dolly on the crane in bridge type, comprise trolley frame, the two ends of described upper trolley frame are provided with hoisting mechanism for trolley, described upper trolley frame comprises that one is fixedly arranged on the inverted U-shaped beam at trolley frame middle part, described inverted U-shaped beam have for the lower side face of the top outline free-running fit of lower dolly, the assembling on the top of described inverted U-shaped beam highly is lower than the assembling height at the top of upper hoisting mechanism for trolley.
The upper dolly of crane in bridge type of the present utility model, the middle part of upper trolley frame is inverted U-shaped beam, inverted U-shaped beam have for the lower side face of the top outline free-running fit of lower dolly, inverted U-shaped beam can avoid dolly and lower dolly to interfere, upper hoisting mechanism for trolley is assemblied on the two ends of trolley frame, the assembling on the top of inverted U-shaped beam highly is lower than the assembling height at the top of upper hoisting mechanism for trolley, compared with prior art, because the assembling of the high-order bit of upper trolley frame is highly constant, therefore, reduced the assembling height of upper hoisting mechanism for trolley, further reduced the bottom-to-top-height of upper dolly, further reduced the bottom-to-top-height of crane in bridge type, can reduce the construction cost of factory building, can significantly reduce production costs.
To achieve these goals, crane in bridge type of the present utility model adopts following technical scheme: crane in bridge type, the upper dolly that comprises crane in bridge type, upper dolly comprises trolley frame, the two ends of described upper trolley frame are provided with hoisting mechanism for trolley, described upper trolley frame comprises that one is fixedly arranged on the inverted U-shaped beam at trolley frame middle part, described inverted U-shaped beam have for the lower side face of the top outline free-running fit of lower dolly, the assembling on the top of described inverted U-shaped beam highly is lower than the assembling height at the top of upper hoisting mechanism for trolley.
Crane in bridge type of the present utility model, the middle part of upper trolley frame is inverted U-shaped beam, inverted U-shaped beam have for the lower side face of the top outline free-running fit of lower dolly, inverted U-shaped beam can avoid dolly and lower dolly to interfere, upper hoisting mechanism for trolley is assemblied on the two ends of trolley frame, the assembling on the top of inverted U-shaped beam highly is lower than the assembling height at the top of upper hoisting mechanism for trolley, compared with prior art, because the assembling of the high-order bit of upper trolley frame is highly constant, therefore, reduced the assembling height of upper hoisting mechanism for trolley, further reduced the bottom-to-top-height of upper dolly, further reduced the bottom-to-top-height of crane in bridge type, can reduce the construction cost of factory building, can significantly reduce production costs.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 of the upper dolly of crane in bridge type of the present utility model;
Fig. 2 is embodiment 1 structural representation of crane in bridge type of the present utility model.
The specific embodiment
The structural representation of the embodiment 1 of the upper dolly of crane in bridge type of the present utility model, as shown in Figure 1.Among Fig. 1, upper dolly comprises trolley frame, upper hoisting mechanism for trolley 3, upper trolley frame comprises the inverted U-shaped beam 2 of being located at the trolley frame middle part, the lower end of the left and right sides of inverted U-shaped beam 2 is installed with the symmetrical crossbeam 1 that is used for the upper hoisting mechanism for trolley of carrying, inverted U-shaped beam have for the lower side face of the top outline free-running fit of lower dolly, the upper surface of crossbeam is lower than the upper surface of inverted U-shaped beam, and the assembling on the top of inverted U-shaped beam highly is lower than the assembling height at the top of upper hoisting mechanism for trolley.
Embodiment 1 structural representation of crane in bridge type of the present utility model, as shown in Figure 2.Among Fig. 2, crane in bridge type comprises dolly, lower dolly 4, upper dolly comprises trolley frame, upper hoisting mechanism for trolley 3, upper trolley frame comprises the inverted U-shaped beam 2 that is installed with the trolley frame middle part, the lower end of the left and right sides of inverted U-shaped beam 2 is installed with the symmetrical crossbeam 1 that is used for the upper hoisting mechanism for trolley of carrying, the upper surface of crossbeam is lower than the upper surface of inverted U-shaped beam, inverted U-shaped beam has the lower side face that matches for the outline gap, top of lower dolly, and the assembling on the top of inverted U-shaped beam highly is lower than the assembling height at the top of upper hoisting mechanism for trolley.
Crane in bridge type of the present utility model is in workshop building, the upper surface of crossbeam is lower than the upper surface of inverted U-shaped beam, upper hoisting mechanism for trolley is assemblied on the crossbeam, the assembling of the upper surface of inverted U-shaped beam highly is lower than the upper surface of upper hoisting mechanism for trolley, compared with prior art, because the assembling of the high-order bit of upper trolley frame is highly constant, so that the assembling of hoisting mechanism for trolley highly reduces, further reduced the bottom-to-top-height of upper dolly, further reduced the bottom-to-top-height of crane in bridge type, can reduce the construction cost of factory building, can significantly reduce production costs.Crane in bridge type of the present utility model in use, the upper surface of lower dolly is lower than the lower side face of the inverted U-shaped beam of upper dolly, thus so that upper dolly and lower dolly mutually noninterfere when operation.
Claims (2)
1. dolly on the crane in bridge type, comprise trolley frame, the two ends of described upper trolley frame are provided with hoisting mechanism for trolley, it is characterized in that, described upper trolley frame comprises that one is fixedly arranged on the inverted U-shaped beam at trolley frame middle part, described inverted U-shaped beam have for the lower side face of the top outline free-running fit of lower dolly, the assembling on the top of described inverted U-shaped beam highly is lower than the assembling height at the top of upper hoisting mechanism for trolley.
2. crane in bridge type, the upper dolly that comprises crane in bridge type, upper dolly comprises trolley frame, the two ends of described upper trolley frame are provided with hoisting mechanism for trolley, it is characterized in that, described upper trolley frame comprises that one is fixedly arranged on the inverted U-shaped beam at trolley frame middle part, described inverted U-shaped beam have for the lower side face of the top outline free-running fit of lower dolly, the assembling on the top of described inverted U-shaped beam highly is lower than the assembling height at the top of upper hoisting mechanism for trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220481864 CN202766135U (en) | 2012-09-20 | 2012-09-20 | Bridge crane and upper trolley thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220481864 CN202766135U (en) | 2012-09-20 | 2012-09-20 | Bridge crane and upper trolley thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202766135U true CN202766135U (en) | 2013-03-06 |
Family
ID=47772724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220481864 Expired - Fee Related CN202766135U (en) | 2012-09-20 | 2012-09-20 | Bridge crane and upper trolley thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202766135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236264A (en) * | 2015-11-11 | 2016-01-13 | 太原重工股份有限公司 | Crane and main girder thereof |
-
2012
- 2012-09-20 CN CN 201220481864 patent/CN202766135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236264A (en) * | 2015-11-11 | 2016-01-13 | 太原重工股份有限公司 | Crane and main girder thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20160920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |