CN216892009U - Bridge girder erection machine front vehicle and bridge girder erection machine - Google Patents
Bridge girder erection machine front vehicle and bridge girder erection machine Download PDFInfo
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- CN216892009U CN216892009U CN202122960597.2U CN202122960597U CN216892009U CN 216892009 U CN216892009 U CN 216892009U CN 202122960597 U CN202122960597 U CN 202122960597U CN 216892009 U CN216892009 U CN 216892009U
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Abstract
The utility model relates to a bridge girder erection machine front truck and bridge girder erection machine, this bridge girder erection machine front truck is through setting up bent beam, front truck frame and walking system. The front frame comprises a frame fixing section and a frame adjusting section, the frame fixing section and the frame adjusting section sequentially extend along the length direction of the front frame, and the frame fixing section and the frame adjusting section are detachably connected to change the extending length of the front frame. That is to say, when frame canned paragraph and frame regulation section are connected, the whole length of the front truck frame is longer and weight is great this moment, can be applicable to fortune frame longspan, the heavy prestressed concrete simple box girder of weight, and when frame canned paragraph and frame regulation section separation, the whole length of the front truck frame is shorter and weight is lighter this moment, can be applicable to fortune frame midspan, the light prestressed concrete simple box girder of weight. The walking system can drive the front vehicle of the bridge girder erection machine to move to a position where the bridge girder erection machine needs to be transported so as to transport the prestressed concrete simply-supported box girder.
Description
Technical Field
The utility model relates to a bridge girder erection machine technical field especially relates to a bridge girder erection machine front truck and bridge girder erection machine.
Background
The bridge girder erection machine is core equipment of a railway prestressed concrete simply-supported box girder transportation frame, and a front vehicle of the bridge girder erection machine is a key component for ensuring the shape of the bridge girder erection machine. The existing railway prestressed concrete simply-supported box girders have different spans and different weights, and the bridge girder erection machine needs to simultaneously meet the requirements of transporting and erecting prestressed concrete simply-supported box girders with different spans and different weights. In order to meet the requirements of frame transportation construction, the size and the weight of a front vehicle of the bridge girder erection machine are increased along with the increase of the span and the weight of the prestressed concrete simply-supported box girder.
At present, when a railway line standard section comprises prestressed concrete simple-supported box girders with different spans and weights, a bridge girder erection machine capable of transporting the prestressed concrete simple-supported box girders with the largest span is generally adopted to transport the prestressed concrete simple-supported box girders with all spans of the standard section, but when the prestressed concrete simple-supported box girders with the small spans in the standard section occupy a larger space, a front vehicle of the bridge girder erection machine cannot reach the designed maximum bearing capacity all the time, and the self weight of the bridge girder erection machine is too large, so that the transportation cost is higher.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a front vehicle of an bridge girder erection machine and the bridge girder erection machine.
In a first aspect, the present disclosure provides a bridge girder erection machine front vehicle, comprising a curved beam, a front vehicle frame, a traveling system and a bridge girder erection machine main beam;
the curved beam is arranged at the top of the front vehicle frame and is used for being connected with the main beam of the bridge girder erection machine;
the front frame comprises a frame fixing section and a frame adjusting section, and the frame fixing section and the frame adjusting section sequentially extend along the length direction of the front frame; the frame fixing section and the frame adjusting section are connected in a separable mode, so that when the frame fixing section is connected with the frame adjusting section, the frame fixing section and the frame adjusting section jointly form the front frame, and when the frame fixing section is separated from the frame adjusting section, the frame fixing section forms the front frame;
the walking system is arranged at the bottom of the front vehicle frame and used for driving the front vehicle frame to move along a preset path.
According to an embodiment of the present disclosure, the frame fixing section and the frame adjusting section are detachably connected through a detachable connection assembly.
According to an embodiment of the present disclosure, can dismantle coupling assembling is including locating the frame canned paragraph is close to the first flange of one side of frame regulation section and locating on the frame regulation section with first flange complex second flange, fastener stretch into first flange with the connecting hole of second flange, so that the frame canned paragraph with can dismantle the connection between the frame regulation section.
According to one embodiment of the disclosure, the running system comprises a plurality of running wheels, and the running wheels are arranged at the bottom of the front vehicle frame at intervals along the length direction.
According to an embodiment of the disclosure, the plurality of running wheels are uniformly arranged at the bottoms of the frame fixing section and the frame adjusting section, or the plurality of running wheels are uniformly arranged at the bottom of the frame fixing section.
According to an embodiment of the present disclosure, the curved beam is provided at a center line of the front frame.
According to one embodiment of the disclosure, the vertical stressed centerline of the curved beam coincides with the centerline of the plurality of running wheels at the bottom of the front vehicle frame or the axle of the middle one of the plurality of running wheels.
According to an embodiment of the present disclosure, a front flange is disposed between the curved beam and the front frame, and the front flange is disposed at a center of a top of the front frame and is used for connecting the curved beam.
According to an embodiment of the present disclosure, a height adjustment assembly is provided between the curved beam and the front frame for adjusting a height of the curved beam relative to the front frame.
In a second aspect, the present disclosure provides an axle erecting machine, which includes the above front vehicle of the axle erecting machine.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the utility model provides a bridge girder erection machine front truck and bridge girder erection machine, this bridge girder erection machine front truck is through setting up bent beam, front truck frame and walking system, locates the top of front truck frame and is used for being connected with bridge girder erection machine girder with bent beam. The front frame comprises a frame fixing section and a frame adjusting section, the frame fixing section and the frame adjusting section sequentially extend along the length direction of the front frame, and the frame fixing section and the frame adjusting section are detachably connected to change the extending length and the weight of the front frame. That is, when the frame fixing section is connected with the frame adjusting section, the frame fixing section and the frame adjusting section together form a front frame, at the moment, the whole length of the front frame is longer, the weight of the front frame is larger, the front frame can be suitable for the prestressed concrete simple-supported box girder with large span and heavy weight, and when the frame fixing section is separated from the frame adjusting section, only the frame fixing section is used as the front frame, at the moment, the whole length of the front frame is shorter, the weight of the front frame is lighter, the front frame can be suitable for the prestressed concrete simple-supported box girder with small span and light weight in the transportation frame, so that the front frames with different lengths and weights can be flexibly selected according to the span and the weight of the prestressed concrete simple-supported box girder needing to be transported, the transportation cost is reduced, the excessive pressure on the erected prestressed concrete simple-supported box girder caused by the larger self weight of the bridge erecting machine can be avoided, and the purpose of realizing the large span, heavy load, the large-load of the front frame and the front frame, The adaptability and the universality of the transportation frame of the prestressed concrete simply-supported box girder enable the transportation frame to be lower in cost and more environment-friendly. In addition, the walking system is arranged at the bottom of the front vehicle frame and used for driving the front vehicle frame to move along a preset path, so that the front vehicle of the bridge girder erection machine can be moved to a position where the frame is required to be transported so as to transport the prestressed concrete simple-supported box girder.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a side view of a front vehicle of a bridge girder erection machine according to an embodiment of the disclosure;
FIG. 2 is a top view of a front vehicle of the bridge girder erection machine according to the embodiment of the disclosure;
FIG. 3 is a side view of a front vehicle dismantling frame adjusting section of the bridge erecting machine according to the embodiment of the disclosure;
FIG. 4 is a top view of a front vehicle dismantling frame adjusting section of the bridge erecting machine according to the embodiment of the disclosure;
fig. 5 is a cross-sectional view of a front vehicle of the bridge girder erection machine according to the embodiment of the disclosure.
Wherein, 1, a curved beam; 2. a front vehicle frame; 21. a front vehicle fixing section; 211. a first connecting flange; 22. a front vehicle adjusting section; 221. a second connecting flange; 3. a running system; 31. a running wheel; 4. a main beam of the bridge erecting machine; 5. a front vehicle flange; 6. a height adjustment assembly.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Example one
Referring to fig. 1 to 5, the present embodiment provides a front vehicle of a bridge girder erection machine, which includes a curved beam 1, a front vehicle frame 2, a traveling system 3 and a main beam 4 of the bridge girder erection machine.
Wherein, the curved beam 1 is arranged at the top of the front vehicle frame 2 and is used for being connected with the main beam 4 of the bridge girder erection machine. In particular, the curved beam 1 can be connected to the top of the front frame 2 through a front flange 5, and is used for connecting the front frame 2 and the main beam 4 of the bridge girder erection machine.
The front frame 2 includes a frame fixing section 21 and a frame adjusting section 22, and the frame fixing section 21 and the frame adjusting section 22 are sequentially extended along a length direction (refer to an x direction shown in fig. 1) of the front frame 2. The frame fixing section 21 and the frame adjusting section 22 are detachably connected to change the extension length and weight of the front frame 2.
That is to say, as shown in fig. 1 and fig. 2, when the frame fixing section 21 and the frame adjusting section 22 are connected, the frame fixing section 21 and the frame adjusting section 22 are sequentially arranged along the length extending direction of the front frame 2, at this time, the frame fixing section 21 and the frame adjusting section 22 jointly form the front frame 2, that is, the total length of the front frame 2 is the total length of the frame fixing section 21 and the frame adjusting section 22, at this time, the total length and the total weight of the front frame 2 are both large, and the frame transporting system can be suitable for transporting prestressed concrete simple-supported box girders with large span and heavy weight, thereby realizing the adaptability and the universality of transporting the prestressed concrete simple-supported box girders with different span and heavy weight, and making the transporting cost of the frame lower and more green.
As shown in fig. 3 and 4, when the frame fixing section 21 and the frame adjusting section 22 are separated, the frame fixing section 21 is disposed along the length extending direction of the front frame 2, and the frame fixing section 21 forms the front frame 2, that is, the total length of the front frame 2 is the length of the frame fixing section 21, and the total length and the total weight of the front frame 2 are both small, so that the frame is suitable for a small-span lightweight prestressed concrete simple box girder in a transportation frame.
Referring to fig. 1, 3 and 5, the running system 3 is disposed at the bottom of the front frame 2, and is configured to drive the front frame 2 to move along a preset path, so that the front frame 2 can be moved to any position where a frame needs to be transported, where the preset path may be the length of a bridge that needs to be erected.
In summary, in the front vehicle for a bridge girder erection machine provided by the embodiment, the curved beam 1 is arranged at the top of the front vehicle frame 2 and is used for being connected with the main beam 4 of the bridge girder erection machine by arranging the curved beam 1, the front vehicle frame 2 and the traveling system 3. The front frame 2 comprises a frame fixing section 21 and a frame adjusting section 22, the frame fixing section 21 and the frame adjusting section 22 sequentially extend along the length direction of the front frame 2, and the frame fixing section 21 and the frame adjusting section 22 are detachably connected to change the extending length and the weight of the front frame 2. That is to say, when frame fixed segment 21 and frame regulation section 22 are connected, frame fixed segment 21 and frame regulation section 22 form preceding frame 2 jointly, the whole length of preceding frame 2 is longer and weight is great this moment, can be applicable to fortune frame longspan, the heavy prestressed concrete simply supported box roof beam of weight, and when frame fixed segment 21 and frame regulation section 22 separation, can regard as preceding frame 2 for only frame fixed segment 21 this moment, the whole length of preceding frame 2 is shorter and weight is lighter this moment, can be applicable to fortune frame midrange, the light prestressed concrete simply supported box roof beam of weight.
In a specific implementation, as shown in fig. 1, the frame fixing section 21 and the frame adjusting section 22 are detachably connected by a detachable connection assembly. Illustratively, the detachable connection assembly comprises a first connection flange 211 arranged on one side of the frame fixing section 21 close to the frame adjusting section 22 and a second connection flange 221 arranged on the frame adjusting section 22 and matched with the first connection flange 211, and a fastener extends into a connection hole of the first connection flange 211 and the second connection flange 221 so as to enable the detachable connection between the frame fixing section 21 and the frame adjusting section 22. The fastener can be a bolt, a screw rod and the like.
In other implementations, the frame fixing section 21 and the frame adjusting section 22 can be detachably connected by clamping or the like. The specific detachable connection mode of the frame fixing section 21 and the frame adjusting section 22 can be set according to actual needs.
In a specific implementation, the running system 3 includes a plurality of running wheels 31, and the plurality of running wheels 31 are arranged at intervals along the longitudinal direction of the front frame 2. Specifically, the plurality of running wheels 31 are uniformly arranged at the bottom of the frame fixing section 21 and the frame adjusting section 22, or the plurality of running wheels 31 are uniformly arranged at the bottom of the frame fixing section 21. That is, the running wheels 31 may be provided at the bottom of both the frame fixing section 21 and the frame adjusting section 22, or may be provided only at the bottom of the frame fixing section 21.
When the frame is transported to the prestressed concrete simply-supported box girder with large span and heavy weight, the front frame 2 is formed by the frame fixing section 21 and the frame adjusting section 22 together, and the walking wheels 31 are arranged at the bottoms of the frame fixing section 21 and the frame adjusting section 22 to ensure the stability of the frame. When the prestressed concrete simply-supported box girder with small span and light weight is transported, the frame adjusting section 22 and the running wheels 31 at the bottom of the frame adjusting section 22 are removed, and at the moment, the front frame 2 is only formed by the frame fixing section 21.
In this embodiment, the curved beam 1 is disposed at the center line of the front frame 2, and the vertical force-receiving center line of the curved beam 1 coincides with the center line of the plurality of running wheels 31 at the bottom of the front frame 2 or the axle of the middle one of the plurality of running wheels 31, so that all the running wheels 31 at the bottom of the front frame 2 can be uniformly loaded. That is, when the frame fixing section 21 and the frame adjusting section 22 are connected to form the front frame 2 together, the number of the plurality of running wheels 31 is even, and at this time, the vertical force-bearing center line of the curved beam 1 coincides with the center lines of the plurality of running wheels 31 at the bottom of the front frame 2; when the frame adjusting section 22 is removed, so that the number of the plurality of running wheels 31 is odd, the vertical force-bearing central line of the curved beam 1 is coincided with the wheel axle of the most middle one 31 of the plurality of running wheels 31 at the bottom of the front frame 2.
That is to say, when the curved beam 1 is connected to the top of the front frame 2 through the front frame flange 5, a reserved interface for connecting the front frame flange 5 is reserved on the front frame 2, so that the flange connection position of the curved beam 1 on the front frame 2 can be changed along the length extension direction of the front frame 2, and the curved beam 1 is always connected to the center line of the top of the front frame 2 no matter the front frame 2 is formed by the frame fixing section 21 and the frame adjusting section 22 together or only by the frame fixing section 21.
In particular, a height adjusting assembly 6 is arranged between the curved beam 1 and the front frame 2 and used for adjusting the height of the curved beam 1 relative to the front frame 2, so that the front frame of the bridge girder erection machine can meet the transportation routes with different slopes. Specifically, the height adjusting assembly 6 can be a steel segment with a fixed height, and flanges are arranged at two ends of the steel segment and used for being connected with the curved beam 1 and the front vehicle frame 2, so that the height adjusting assemblies 6 with different heights can be arranged according to the gradient of the transportation and erection line.
Example two
The embodiment also provides a bridge girder erection machine, which is provided with a front vehicle of the bridge girder erection machine with the same structure and function as the first embodiment, so that the bridge girder erection machine can be suitable for the transportation of prestressed concrete simple-supported box girders with different spans and weights, and the transportation cost is reduced.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The front vehicle of the bridge girder erection machine is characterized by comprising a curved beam (1), a front vehicle frame (2), a walking system (3) and a main beam (4) of the bridge girder erection machine;
the curved beam (1) is arranged at the top of the front vehicle frame (2) and is connected with the main beam (4) of the bridge girder erection machine;
the front vehicle frame (2) comprises a frame fixing section (21) and a frame adjusting section (22), and the frame fixing section (21) and the frame adjusting section (22) sequentially extend along the length direction of the front vehicle frame (2); the frame fixing section (21) and the frame adjusting section (22) are detachably connected, so that when the frame fixing section (21) and the frame adjusting section (22) are connected, the frame fixing section (21) and the frame adjusting section (22) jointly form the front frame (2), and when the frame fixing section (21) and the frame adjusting section (22) are separated, the frame fixing section (21) forms the front frame (2);
the walking system (3) is arranged at the bottom of the front vehicle frame (2) and used for driving the front vehicle frame (2) to move along a preset path.
2. A bridge girder erection machine front vehicle according to claim 1, characterized in that the frame fixing section (21) and the frame adjusting section (22) are detachably connected by a detachable connection assembly.
3. A bridge girder erection machine front vehicle according to claim 2, characterized in that the detachable connection assembly comprises a first connection flange (211) arranged on one side of the frame fixing section (21) close to the frame adjusting section (22) and a second connection flange (221) arranged on the frame adjusting section (22) and matched with the first connection flange (211), and a fastener extends into the connection holes of the first connection flange (211) and the second connection flange (221) to detachably connect the frame fixing section (21) and the frame adjusting section (22).
4. A bridge girder according to any one of claims 1 to 3, wherein the running system (3) comprises a plurality of running wheels (31), and the plurality of running wheels (31) are arranged at intervals along the length direction at the bottom of the front frame (2).
5. A front vehicle for a bridge erecting machine according to claim 4, wherein a plurality of said running wheels (31) are uniformly arranged at the bottom of said frame fixing section (21) and said frame adjusting section (22), or a plurality of said running wheels (31) are uniformly arranged at the bottom of said frame fixing section (21).
6. A bridge girder according to claim 4, wherein the curved beam (1) is provided at the centre line of the front frame (2).
7. A front vehicle for a bridge girder according to claim 6, wherein the vertical force-receiving centerline of the curved beam (1) coincides with the centerline of the plurality of running wheels (31) at the bottom of the front vehicle frame (2) or the axle of the middle one (31) of the plurality of running wheels (31).
8. A bridge girder according to any one of claims 1-3, characterized in that a front flange (5) is arranged between the curved beam (1) and the front frame (2), and the front flange (5) is arranged at the center of the top of the front frame (2) and is used for connecting the curved beam (1).
9. A bridge girder according to any one of claims 1 to 3, characterized in that a height adjustment assembly (6) is provided between the curved beam (1) and the front frame (2) for adjusting the height of the curved beam (1) relative to the front frame (2).
10. An bridging machine comprising a front vehicle of the bridging machine as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122960597.2U CN216892009U (en) | 2021-11-26 | 2021-11-26 | Bridge girder erection machine front vehicle and bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122960597.2U CN216892009U (en) | 2021-11-26 | 2021-11-26 | Bridge girder erection machine front vehicle and bridge girder erection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216892009U true CN216892009U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122960597.2U Active CN216892009U (en) | 2021-11-26 | 2021-11-26 | Bridge girder erection machine front vehicle and bridge girder erection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216892009U (en) |
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2021
- 2021-11-26 CN CN202122960597.2U patent/CN216892009U/en active Active
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