CN219194228U

CN219194228U - Gantry crane track supporting device and gantry crane track system

Info

Publication number: CN219194228U
Application number: CN202223577701.0U
Authority: CN
Inventors: 张凯; 安后陶; 骆云建; 古付军; 郭明华; 荣劲松; 杨征; 陈中略; 刘斌; 黄国忠; 梁飞龙; 李波; 吕正忠
Original assignee: Cccc Chengdu Municipal Construction Co ltd; First Engineering Co of CCCC Fourth Harbor Engineering Co Ltd
Current assignee: Cccc Chengdu Municipal Construction Co ltd; First Engineering Co of CCCC Fourth Harbor Engineering Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-16
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of subway station construction, in particular to a gantry crane track supporting device and a gantry crane track system. The beam is connected with the crown beam expansion section, the diagonal bracing is arranged and the filling pile at the lower part of the crown beam expansion section is connected, the existing crown beam expansion section and the filling pile are used as supporting points, the arrangement of the supporting points at the lower part of the gantry crane track is simplified, the cost is saved, the working procedure is simplified, and meanwhile, the existing crown beam expansion section and the filling pile are used as the supporting points, compared with the supporting points on a soil body, the gantry crane track supporting device is firmer, and the gantry crane track is safer and more reliable when being stressed.

Description

Gantry crane track supporting device and gantry crane track system

Technical Field

The utility model relates to the technical field of subway station construction, in particular to a gantry crane track supporting device and a gantry crane track system.

Background

With the improvement of living standard, urban residents have higher requirements on the quality of transportation and the convenient and quick subway becomes the first-choice transportation means for the residents to travel. The subway is used as an important transportation means for relieving the travel pressure of residents in modern cities, has huge development potential and has extremely wide prospect.

In the modern development and construction of various cities, the construction of subways is already planned on a large scale. The method is mainly used in the construction of tunnels between subway stations, the shield method is the most main technology of the current subway tunnel construction, the shield machine is driven in stratum and assembled into segments, the segments are connected into a whole through segments and bolts, surrounding soil is supported by a shield body shell and the segments, grouting is carried out on the gap, meanwhile, a shield cutter disc rotationally cuts the front soil, the front soil is conveyed out of a tunnel through a belt conveyor and horizontal conveying equipment, materials such as equipment and segments are used in the shield tunnel construction in the shield construction, because the subway stations are generally built in urban areas, construction sites are narrow, construction hoisting operation is inconvenient to carry out by adopting an automobile crane or a crawler crane, the lifting capacity of a tower crane is small, the construction hoisting requirement of steel structural components in the construction cannot be met, the construction hoisting is preferably carried out by adopting a portal crane, the process of receiving the shield in the shield construction is carried out, the process is conveniently completed by arranging an expanding end at the end of the subway station, and the requirement of crossing the track of the portal crane is met when the material is carried out outside the station beyond the station after the portal crane is arranged at the expanding end.

As shown in fig. 1, when the subway station is provided with an enlarged end, the end of the crown beam 6 is enlarged to form a crown beam enlarged section 61. At present, when the gantry crane track 1 is paved on the crown beam expansion section 61, the crown beam expansion section 61 cannot be arranged under the gantry crane track 1, so that the gantry crane track 1 cannot be directly supported, the bottom of the gantry crane track 1 cannot be supported by soil, a bailey frame is generally adopted to serve as the support of the gantry crane track 1 on the expansion section and support the bailey frame on the soil at two ends, but the procedures of on-site assembly, reinforcement and the like of the bailey frame are time-consuming and labor-consuming, and the stability of the bailey frame cannot be ensured; for example: patent CN209835438U discloses a subway station expansion section gantry crane track beam, adopts the steel box girder as the gantry crane at the subway station expansion section track beam, but the steel box girder cost of manufacture is high, and production cycle is long, and because the subway station is located urban area, the place is narrow and small, and steel box girder transportation, hoist and mount etc. are also very inconvenient.

Disclosure of Invention

The utility model aims at: aiming at the problems that the prior art adopts the bailey frame to support the expanded section gantry crane track, the working procedures of on-site assembly, reinforcement and the like of the bailey frame are time-consuming and labor-consuming, the stability of the bailey frame cannot be ensured, and the transportation, the hoisting and the like of a steel box girder are very inconvenient if the bailey frame is prefabricated in other places, the gantry crane track supporting device and the gantry crane track system are provided.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a portal crane track strutting arrangement, includes crown beam expansion section, bored concrete pile, crossbeam and bracing, bored concrete pile sets up in crown beam expansion section bottom, the one end of crossbeam is connected with crown beam expansion section, the other end of crossbeam with the upper end of bracing is connected, the lower extreme of bracing with bored concrete pile is connected, the crossbeam is used for supporting portal crane track.

According to the gantry crane track supporting device, the cross beam is arranged in the station expansion section area and connected with the crown beam expansion section, the diagonal bracing is arranged and connected with the filling pile at the lower part of the crown beam expansion section, and compared with the Bailey beam support, the existing crown beam expansion section and the filling pile which are commonly used on the construction site are used as supporting points, so that the arrangement of the supporting points at the lower part of the gantry crane track is simplified, the cost is saved, the working procedures are simplified, the construction period is shortened, the construction efficiency is improved, and meanwhile, the existing crown beam expansion section and the filling pile are used as the supporting points, compared with the supporting points supported on a soil body, the gantry crane track supporting device is more stable, and further the gantry crane track is safer and more reliable in stressed operation.

Preferably, one end of the cross beam, which is far away from the crown beam expansion section, is connected with a cantilever section in an outward extending manner along the length direction of the cross beam, and the cantilever section is used for supporting the gantry crane track.

Preferably, the cross beam is connected with a connecting plate, the connecting plate is fixed on the crown beam expansion section through a pull rod, at least one rib plate is arranged on the side surface of the connecting plate, which is close to the cross beam, and the rib plates are fixedly connected with the cross beam.

Preferably, the side edge of the connecting plate is connected with a wedge block, one end of the wedge block is embedded into the crown beam expansion section, and the connecting plate is connected with the crown beam expansion section more firmly due to the fact that the wedge block is connected with the connecting plate together, the connecting point of the connecting plate with the crown beam expansion section is increased through the wedge block.

Preferably, the end of the cross beam is embedded and connected in the crown beam expansion section.

Preferably, the cast-in-place pile is provided with a notch, and the notch is connected with the diagonal bracing.

Preferably, an L-shaped plate is installed in the notch, and the L-shaped plate is connected with the diagonal brace.

Preferably, the L-shaped plate is fixedly connected with the cast-in-place pile through an embedded bolt.

The application also discloses a portal crane rail system, including portal crane track and this application portal crane track strutting arrangement, portal crane track strutting arrangement arranges in the crown beam expansion section, at least two portal crane track strutting arrangement is along the longitudinal setting of portal crane track, at least one section of portal crane track support in on the portal crane track strutting arrangement.

According to the gantry crane track system, the gantry crane track is supported by arranging the gantry crane track supporting device in the crown beam expansion section, so that the gantry crane can be used in the crown beam expansion section, the subway station can conveniently perform construction operation in the crown beam expansion section, and the construction efficiency of the subway station is further improved.

Preferably, a longitudinal beam is arranged between the cross beam and the gantry crane track, and a longitudinal beam is connected between the cross beam and the gantry crane track and is connected to the top of the cross beam. The longitudinal beam is arranged at the top of the cross beam to support the gantry crane rail, so that the gantry crane rail is uniformly stressed in the use process, bending, damage and the like of a non-cross beam supporting part of the gantry crane rail due to overlarge stress in the operation process are avoided, and the safety problem is further avoided.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the gantry crane track supporting device, the cross beam is arranged in the station expansion section area and connected with the crown beam expansion section, the diagonal bracing is arranged and connected with the filling pile at the lower part of the crown beam expansion section, and compared with the Bailey beam support, the existing crown beam expansion section and the filling pile which are commonly used on the construction site are used as supporting points, so that the arrangement of the supporting points at the lower part of the gantry crane track is simplified, the cost is saved, the working procedures are simplified, the construction period is shortened, the construction efficiency is improved, and meanwhile, the existing crown beam expansion section and the filling pile are used as the supporting points, compared with the supporting points supported on a soil body, the gantry crane track supporting device is more stable, and further the gantry crane track is safer and more reliable in stressed operation.

2. According to the gantry crane track system, the gantry crane track is supported by arranging the gantry crane track supporting device in the crown beam expansion section, so that the gantry crane can be used in the crown beam expansion section, the subway station can be conveniently constructed in the crown beam expansion section, and the construction efficiency of the subway station is further improved.

Drawings

Fig. 1 is an enlarged end schematic view of a subway station.

Fig. 2 is a layout of the gantry crane supporting apparatus of the present utility model at an enlarged section of the crown beam.

Fig. 3 is a front view of fig. 2.

Fig. 4 is a schematic structural view of the gantry crane supporting apparatus of the present utility model.

Fig. 5 is a partial enlarged view of fig. 4.

Fig. 6 is a cross-sectional view A-A of fig. 4.

Fig. 7 is a D-direction view of fig. 6.

Fig. 8 is a B-B cross-sectional view of fig. 4.

Fig. 9 is a C-C cross-sectional view of fig. 4.

Fig. 10 is a schematic view of another structure of the gantry crane supporting apparatus of the present utility model.

The marks in the figure: the device comprises a 1-portal crane track, 2-longitudinal beams, 201-longitudinal beam stiffening plates, 3-cross beams, 31-cantilever sections, 301-cross beam stiffening plates, 4-diagonal braces, 41-embedded bolts, 42-L-shaped plates, 5-cast-in-place piles, 51-notch, 6-crown beams, 61-crown beam expansion sections, 7-limiting blocks, 8-pull rods, 9-connecting plates, 91-rib plates and 92-wedge blocks.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 2-4, the gantry crane track supporting device according to the embodiment includes a crown beam expansion section 61, a cast-in-place pile 5, a beam 3 and an inclined strut 4, wherein the cast-in-place pile 5 is disposed at the bottom of the crown beam expansion section 61, one end of the beam 3 is connected with the crown beam expansion section 61, the other end of the beam 3 is connected with the upper end of the inclined strut 4, the lower end of the inclined strut 4 is connected with the cast-in-place pile 5, and the beam 3 is used for supporting the gantry crane track 1.

The gantry crane track supporting device is connected with the crown beam expansion section 61 by arranging the cross beam 3 in the station expansion section area, is provided with the diagonal brace 4 and is connected with the filling pile 5 at the lower part of the crown beam expansion section 61, and utilizes the existing crown beam expansion section 61 and the filling pile 5 as supporting points, so that the arrangement of the supporting points at the lower part of the gantry crane track 1 is simplified, the cost is saved, the working procedure is simplified, and the construction period is also simplified.

As shown in fig. 4, one end of the beam 3 away from the crown beam expansion section 61 is connected with a cantilever section 31 in an outward extending manner along the length direction of the beam 3, and the cantilever section 31 is used for supporting the gantry crane track 1.

As shown in fig. 6-7, a connecting plate 9 is installed on one side of the crown beam expansion section 61, which is close to the cross beam 3, a plurality of connecting plate through holes are distributed on the connecting plate 9, a pull rod 8 passes through the connecting plate through holes and penetrates through the crown beam expansion section 61, one end of the pull rod 8 is fixed on the connecting plate 9 through a nut, the other end of the pull rod 8 is fixed on the crown beam expansion section 61 through the nut, thereby fixing the connecting plate 9 on the crown beam expansion section 61 through the pull rod 8, further, the connecting plate 9 is made of steel plates, the cross beam 3 is made of I-steel, and the connecting plate 9 is connected with the cross beam 3 through welding.

In a preferred manner, as shown in fig. 6, a plurality of rib plates 91 are mounted on the side surface of the connecting plate 9, which is close to the cross beam 3, the rib plates 91 are made of steel plates, one ends of the rib plates 91 are welded on the connecting plate 9, and when the cross beam 3 is connected with the connecting plate 9, the other ends of the rib plates 91 are welded on the cross beam 3, so that the cross beam 3 is connected with the connecting plate 9 more firmly, and the cross beam 3 is further connected with the crown beam expansion section 61 more firmly.

In a preferred manner, as shown in fig. 7, a plurality of wedges 92 are further connected to the side edge of the connecting plate 9, and the wedges 92 are partially embedded into the crown beam expansion section 61, and since the wedges 92 are connected with the connecting plate 9, the connecting plate 9 increases the connection point with the crown beam expansion section 61 through the wedges 92, so that the connection between the connecting plate 9 and the crown beam expansion section 61 is firmer, wherein the wedges 92 are steel wedges and are fixedly connected with the connecting plate 9 through a welding manner.

In a preferred manner, as shown in fig. 10, during the process of manufacturing the crown beam expansion section 61, one end of the cross beam 3 is inserted into the crown beam expansion section 61 in advance, so that the cross beam 3 is cast together with the crown beam expansion section 61, thereby fixing the cross beam 3 in the crown beam expansion section 61.

As shown in fig. 4-5, a notch 51 is formed in the cast-in-place pile 5, the cast-in-place pile 5 is connected with the diagonal brace 4 through the notch 51, further, an L-shaped plate 42 is installed in the notch 51, the L-shaped plate 42 is formed by welding two steel plates, the diagonal brace 4 is formed by splicing i-steel plates, and the L-shaped plate 42 is connected with the diagonal brace 4 in a welding mode, so that the diagonal brace 4 is fixed on the cast-in-place pile 5.

In a preferred manner, as shown in fig. 8-9, the embedded bolts 41 are embedded in the notch 51, the L-shaped plate 42 is provided with bolt holes corresponding to the embedded bolts 41, and the embedded bolts 41 are connected with the L-shaped plate 42 through nuts, so that the L-shaped plate 42 is fixed in the notch 51.

In a preferred manner, as shown in fig. 4, beam stiffening plates 301 are arranged at the stress positions of the beams 3, so that the beams 3 are not easy to deform when being stressed.

In the present specification, the longitudinal direction is a direction along the length of the gantry crane rail 1, and the lateral direction is a direction perpendicular to the length direction of the gantry crane rail 1.

Example 2

As shown in fig. 2 to 3, a gantry rail system according to this embodiment includes a gantry rail 1 and a gantry rail support device according to embodiment 1, wherein the gantry rail support device is disposed in a crown beam expansion section 61, at least two gantry rail support devices are disposed longitudinally along the gantry rail 1, and at least one section of the gantry rail 1 is supported on the gantry rail support device. The gantry crane track 1 is supported by arranging the gantry crane track supporting device in the crown beam expansion section 61, so that the gantry crane can be used in the crown beam expansion section 61, thereby facilitating construction operation of the subway station in the crown beam expansion section 61 and further accelerating construction efficiency of the subway station.

As shown in fig. 3-4, a longitudinal beam 2 is arranged between a cross beam 3 and a gantry crane track 1, the longitudinal beam 2 is made of H-shaped steel, the longitudinal beam 2 is welded at the top of the cross beam 3, the longitudinal beam 2 is arranged at the bottom of the gantry crane track 1 and is parallel to the gantry crane track 1, and the gantry crane track 1 is supported by arranging the longitudinal beam 2 parallel to the gantry crane track 1 at the top of the cross beam 3, so that the gantry crane track 1 is uniformly stressed in the use process, and the situation that bending, damage and the like occur at the position where the gantry crane track 1 is not supported by the cross beam 3 due to overlarge stress in the operation process is avoided, and the safety problem is further avoided.

When the gantry crane track system is installed, the vertical position of the cross beam 3 at the crown beam expansion section 61 is adjusted in advance, and the inclined strut 4 is adjusted adaptively, so that after the longitudinal beam 2 is installed on the cross beam 3, the elevation of the top of the longitudinal beam 2 is flush with the elevation of the top of the crown beam 6, and the gantry crane track 1 can be directly paved on the longitudinal beam 2 from the top of the crown beam 6, thereby avoiding difficult paving of the gantry crane track 1 caused by uneven elevation of the crown beam 6 and the longitudinal beam 2, avoiding the procedures of re-manufacturing new tracks caused by uneven elevation of the crown beam 6 and the longitudinal beam 2, further simplifying construction procedures, and saving construction cost.

In a preferred manner, as shown in fig. 2-3, a rail limiting block 7 is arranged at the end part of the gantry crane rail 1, and the rail limiting block 7 is fixed on the crown beam expansion section 61 and limits the gantry crane during the use process.

In a preferred manner, as shown in fig. 4, the stringers 2 are provided with stringer stiffening plates 201, so that the stringers 2 are not easily deformed when subjected to a force.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a portal crane track strutting arrangement, its characterized in that includes crown roof beam expansion section (61), bored concrete pile (5), crossbeam (3) and bracing (4), bored concrete pile (5) set up in crown roof beam expansion section (61) bottom, the one end and crown roof beam expansion section (61) of crossbeam (3) are connected, the other end of crossbeam (3) with the upper end of bracing (4) is connected, the lower extreme of bracing (4) with bored concrete pile (5) are connected, crossbeam (3) are used for supporting portal crane track (1).

2. A gantry crane rail support according to claim 1, characterized in that the end of the cross beam (3) remote from the crown beam expansion section (61) is connected with a cantilever section (31) extending outwards in the length direction of the cross beam (3), the cantilever section (31) being used for supporting the gantry crane rail (1).

3. The gantry crane rail support device according to claim 2, characterized in that the cross beam (3) is connected with a connecting plate (9), the connecting plate (9) is fixed on the crown beam expansion section (61) through a pull rod (8), at least one rib plate (91) is arranged on the side surface of the connecting plate (9) close to the cross beam (3), and the rib plates (91) are fixedly connected with the cross beam (3).

4. A gantry crane rail support according to claim 3, characterized in that the side of the connection plate (9) is connected with a wedge (92), one end of the wedge (92) being connected embedded in the crown beam expansion section (61).

5. A gantry crane rail support according to claim 1, characterized in that the ends of the cross beam (3) are embedded in the crown beam expansion section (61).

6. Gantry crane rail support device according to claim 1, characterized in that the bored concrete pile (5) is provided with a notch (51), which notch (51) is connected to the diagonal brace (4).

7. A gantry crane rail support according to claim 6, characterized in that the slot (51) is internally fitted with an L-shaped plate (42), the L-shaped plate (42) being connected to the diagonal brace (4).

8. The gantry crane track supporting device according to claim 7, characterized in that the L-shaped plate (42) is fixedly connected with the cast-in-place pile (5) through pre-buried bolts (41).

9. Gantry rail system, characterized by comprising a gantry rail (1) and a gantry rail support device according to any of the claims 1-8, said gantry rail support device being arranged in said crown beam expansion section (61), at least two of said gantry rail support devices being arranged longitudinally along the gantry rail (1), at least one section of the gantry rail (1) being supported on said gantry rail support device.

10. Gantry crane rail system according to claim 9, characterized in that a longitudinal beam (2) is connected between the cross beam (3) and the gantry crane rail (1), the longitudinal beam (2) being connected to the top of the cross beam (3).