CN211872651U - Bridge girder erection machine and rotating device thereof - Google Patents
Bridge girder erection machine and rotating device thereof Download PDFInfo
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- CN211872651U CN211872651U CN202020182336.5U CN202020182336U CN211872651U CN 211872651 U CN211872651 U CN 211872651U CN 202020182336 U CN202020182336 U CN 202020182336U CN 211872651 U CN211872651 U CN 211872651U
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- girder erection
- erection machine
- bridge girder
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Abstract
The utility model discloses a frame bridge crane rotary device, frame bridge crane are disclosed in the application. The bridge girder erection machine rotating device comprises a rotating shaft; the rotation axis is connected with the crossbeam and the bridge floor of the bridge girder erection machine and is arranged between the middle support legs of the bridge girder erection machine, the support leg pulleys of the bridge girder erection machine are driven by the crossbeam to wind around the rotation axis, and the track is driven to change the direction through the support leg pulleys and the gaps of the upper tracks of the support leg pulleys. The utility model discloses the application has been solved because the bridge girder erection machine does not possess the angular adjustment function, and does not have the instrument that supplementary bridge girder erection machine carries out the adjustment of angle, and the bridge girder erection machine that causes can't realize the technical problem that the beam slab erect of small radius.
Description
Technical Field
The utility model discloses the application relates to bridge and culvert engineering construction field particularly, relates to a frame bridge crane rotary device, frame bridge crane.
Background
With the increasing emphasis on the linear appearance and the influence of geographical conditions in highway engineering, the linear design of bridges is more and more extensive due to the adoption of small curve radii, and in most cases, the cast-in-place concrete structure replaces a prefabricated structure on a small-radius bridge, but the highway engineering in mountainous areas has the characteristics of pier column height, complex terrain, poor safety and stability of the cast-in-place support, high cost and the like, and the prefabricated structure has to be adopted, so that the erection of small-radius beam plates becomes a difficult point in construction.
In the construction process, the turning radius of the small-radius girder erection is small due to the bridge structure, and the front supporting legs cannot fall on the next span bent cap when the bridge girder erection machine normally travels across the span, so that the small-radius girder erection plate needs to have a certain rotation function. However, the conventional bridge girder erection machine cannot adjust the angle by the structure thereof, and has no tool for assisting the bridge girder erection machine to adjust the angle.
SUMMERY OF THE UTILITY MODEL
The utility model provides a main aim at of application provides a frame bridge crane rotary device, frame bridge crane to solve because the frame bridge crane does not possess the angular adjustment function, and does not have the instrument that supplementary frame bridge crane carries out the adjustment of angle, and the technical problem that the beam slab that the frame bridge crane that causes can't realize the small radius erects.
In order to achieve the above object, according to one aspect of the present invention, there is provided a bridge girder erection machine rotating device.
According to the utility model discloses a frame bridge crane rotary device includes:
a rotating shaft;
the rotating shaft is connected with a cross beam and a bridge deck of the bridge girder erection machine and arranged between middle support legs of the bridge girder erection machine, support leg pulleys of the bridge girder erection machine are driven by the cross beam to rotate around the rotating shaft, and the track is driven to change the direction through gaps between the support leg pulleys and the upper track of the support leg pulleys.
Further, the bridge girder erection machine comprises a base plate arranged between the rotating shaft and the bridge girder erection machine.
Further, the backing plate is a steel plate.
In order to achieve the above object, according to another aspect of the present invention, there is provided a bridge girder erection machine.
According to the utility model discloses a bridge crane includes any one of the above-mentioned bridge crane rotary device.
The small-radius girder erection has small turning radius due to the bridge structure, and the front supporting legs cannot fall on the next span bent cap when the bridge girder erection machine normally travels across the span, so that the small-radius girder erection plate needs to have a certain rotation function.
The utility model discloses in the application embodiment, adopt the mode that sets up frame bridge crane auxiliary device, through setting up rotary device in well landing leg department, use rotary device as the fulcrum, utilize the clearance of nose girder track and landing leg pulley to realize the maximum rotation angle of frame bridge crane, the purpose that makes the fuselage of frame bridge crane realize rotation function has been reached, thereby realized that the preceding leg falls on the bent cap of next span when frame bridge crane advances to stride, realize the technological effect that the minor radius roof beam board erect, and then solved because the frame bridge crane does not possess the angular adjustment function, and do not have the instrument that supplementary frame bridge crane carries out the adjustment of angle, and the technical problem that the frame bridge crane that causes can't realize the bridge board of minor radius and erect.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. The drawings of the illustrative embodiments of the present invention and their description are for the purpose of illustrating the invention and are not to be construed as unduly limiting the scope of the invention. In the drawings:
fig. 1 is a schematic structural diagram of a bridge girder erection machine rotating device and a bridge girder erection machine according to an embodiment of the present invention.
Reference numerals
1: a rotating shaft; 2: a cross beam; 3: a bridge deck; 4: a middle support leg; 5: a leg pulley; 6: a track; 7: a backing plate.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only embodiments of the present invention, not all embodiments. Based on the embodiments in the application of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present application described herein may be made. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present application can be understood by those of ordinary skill in the art as a matter of context.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as a matter of case.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
As shown in figure 1, the utility model discloses the application relates to a frame bridge crane rotary device, this frame bridge crane rotary device includes rotation axis 1, rotation axis 1 connects frame bridge crane's crossbeam 2 and bridge floor 3 set up on the rotation axis 1 set up between frame bridge crane's well landing leg 4. The supporting leg pulley 5 of the bridge girder erection machine is driven by the cross beam 2 to rotate around the rotating shaft 1, and the track 6 is driven to change the direction through a gap between the supporting leg pulley 5 and the track 6 on the supporting leg pulley 5. Specifically, the lateral dimension of the side, in contact with the rail 6, of the supporting leg pulley 5 is larger than the dimension of the contact surface between the rail 6 and the supporting leg pulley 5, and the rail 6 can be twisted around the rotating shaft 1 under the driving of the cross beam 2, so as to rotate at the position of the maximum angle.
In the preferred embodiment of the present invention, the present invention comprises a backing plate 7, wherein the backing plate 7 is disposed between the rotating shaft 1 and the cross beam 2; in a further preferred embodiment of the present invention, the backing plates 7 are disposed on upper and lower sides of the rotating shaft 1 contacting with the cross beam 2; in other embodiments a plurality of shim plates 7 are included. The backing plate 7 is a steel plate, and preferably, the backing plate 7 is a stainless steel plate.
In order to achieve the above object, according to another aspect of the present invention, there is provided a bridge girder erection machine.
According to the utility model discloses a bridge crane includes any one of the above-mentioned bridge crane rotary device.
The utility model discloses in the application embodiment, adopt the mode that sets up frame bridge crane auxiliary device, through setting up rotary device in well landing leg department, use rotary device as the fulcrum, utilize the clearance of nose girder track and landing leg pulley to realize the maximum rotation angle of frame bridge crane, the purpose that makes the fuselage of frame bridge crane realize rotation function has been reached, thereby realized that the preceding leg falls on the bent cap of next span when frame bridge crane advances to stride, realize the technological effect that the minor radius roof beam board erect, and then solved because the frame bridge crane does not possess the angular adjustment function, and do not have the instrument that supplementary frame bridge crane carries out the adjustment of angle, and the technical problem that the frame bridge crane that causes can't realize the bridge board of minor radius and erect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (4)
1. A bridge girder erection machine rotating device, comprising:
a rotating shaft;
the rotation axis is connected with the crossbeam and the bridge floor of the bridge girder erection machine and is arranged between the middle support legs of the bridge girder erection machine, the support leg pulleys of the bridge girder erection machine are driven by the crossbeam to wind around the rotation axis, and the track is driven to change the direction through the support leg pulleys and the gaps of the upper tracks of the support leg pulleys.
2. The bridge girder erection machine rotation device of claim 1, comprising a pad disposed between the rotation shaft and the bridge girder erection machine.
3. A bridge girder erection machine rotation device according to claim 2, wherein the backing plate is a steel plate.
4. A bridge girder erection machine, characterized in that it comprises a bridge girder erection machine rotating device according to any one of the preceding claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020182336.5U CN211872651U (en) | 2020-02-18 | 2020-02-18 | Bridge girder erection machine and rotating device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020182336.5U CN211872651U (en) | 2020-02-18 | 2020-02-18 | Bridge girder erection machine and rotating device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211872651U true CN211872651U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020182336.5U Active CN211872651U (en) | 2020-02-18 | 2020-02-18 | Bridge girder erection machine and rotating device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211872651U (en) |
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2020
- 2020-02-18 CN CN202020182336.5U patent/CN211872651U/en active Active
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