CN217325032U - A hollow slab beam erection system - Google Patents

Abstract

The utility model relates to a hollow slab roof beam erects system, it includes: the track structure comprises a first track section and a second track section which are connected, the second track section is laid on the pier along the longitudinal bridge direction, the first track section is arranged on one side of the second track section along the longitudinal bridge direction, and the second track section can translate along the transverse bridge direction relative to the first track section; the bridge moving system comprises at least two beam moving trolleys, wherein the beam moving trolleys are installed on a first track section and can move to a second track section along the first track section, a transverse moving driving structure is arranged at the top of each beam moving trolley and used for lifting hollow plate beams and moving the hollow plate beams along the transverse bridge direction, and therefore the hollow plate beam erecting system can complete bridge erecting in a small construction space.

Description

A hollow slab beam erection system

technical field

The utility model relates to the field of installation and construction of prefabricated slab beams, in particular to a hollow slab girder erection system.

Background technique

At present, there are more than 100,000 dangerous bridges on rural highways across the country, accounting for more than 90% of the total number of dangerous bridges, mainly due to the low design load level of rural highway bridges, poor construction quality, heavy construction and light maintenance, and the impact of overloaded vehicles. The phenomenon of "aging" is serious, which is not compatible with the current situation of rural road transportation, and is also the main factor for the current bridge accidents. Therefore, the reconstruction of dangerous bridges on rural highways is the top priority of bridge elimination. In order to shorten the construction period of the bridge, ensure the quality of the project, and minimize the adverse impact of construction on the surrounding environment and traffic travel, prefabricated beams and slabs are widely used in the superstructure of bridges.

In the related art, special bridging equipment and large cranes are required for the installation of prefabricated beams. However, because most of the rural roads and bridges are located on village roads and township roads, and the access conditions are poor, it is not suitable for large-scale machinery and equipment to enter and leave the site. In addition, the construction site often has a small space, which cannot provide enough space for assembly, operation and dismantling of special bridge erection equipment, nor can it meet the layout of the work site of large cranes. At the same time, the traditional beam erection equipment has high rental and use costs, complicated installation and disassembly, and high requirements on the quality of operators, which increases the cost of bridge construction.

Utility model content

The embodiment of the present utility model provides a hollow slab girder erection system, so as to solve the problem that the construction site space of rural highway bridges in the related art is narrow, cannot provide enough space for assembly, operation and dismantling for special bridge erection equipment, and cannot meet the requirements of large cranes. Workplace layout issues.

In a first aspect, a hollow slab girder erection system is provided, which includes: a track structure, the track structure includes a first track segment and a second track segment that are connected, and the second track segment is laid on a bridge pier along a longitudinal bridge direction The first track segment is arranged on one side of the second track segment along the longitudinal bridge direction, and the second track segment can be translated relative to the first track segment along the transverse bridge direction; at least two moving beams a trolley, the beam shifting trolley is mounted on the first track segment, and the beam shifting trolley can move along the first track segment to the second track segment, the top of the beam shifting trolley A traverse drive structure is provided, and the traverse drive structure is used to lift the hollow slab girder and move the hollow slab girder along the transverse bridge direction.

In some embodiments, the second track segment includes: a transverse track, which is laid on two adjacent bridge piers along the transverse bridge direction; and a running track beam, which is installed on the longitudinal bridge along the longitudinal bridge direction. The transverse rail, and the running rail beam can move along the transverse rail, the running rail beam is provided with a second steel rail along the longitudinal bridge direction, and the second steel rail is connected with the first rail segment.

In some embodiments, the second track segment further comprises: a sliding plate, the sliding plate is slidably installed on the transverse track, and the running track beam is installed on the sliding plate along the longitudinal bridge direction.

In some embodiments, the first rail section includes: a plurality of sleeper rows, the plurality of sleeper rows are arranged at intervals along the longitudinal bridge direction; a first steel rail, the first steel rail is laid on the plurality of the sleeper row, and the first rail is connected to the second rail section.

In some embodiments, the beam shifting trolley includes: a running wheel box, a running wheel is arranged at the bottom of the running wheel box, the running wheel is installed on the track structure, and the running wheel can move along the track. The structure moves; support legs are mounted on the top of the running wheel box; the traverse drive structure is mounted on the top of the support legs.

In some embodiments, the beam shifting trolley further includes: a bottom beam, the bottom beam is fixed on the top of the running wheel box, and the support legs are fixed on the top of the bottom beam.

In some embodiments, the running wheel box is provided with a running wheel rail clamp, and the running wheel rail clamp is located on one side of the running wheel.

In some embodiments, the traverse driving structure includes: a third rail, the third rail is mounted on the top of the beam shifting trolley, and the third rail extends along the transverse bridge direction; a hoisting device, the A hoisting device is mounted on the third track, and the hoisting device is movable along the third track.

In some embodiments, the hoisting equipment includes: two electric hoists, the two electric hoists are slidably installed on the third rail, and the electric hoists are used for hoisting the hollow slab beam.

In some embodiments, the beam shifting trolley includes: at least two traveling wheel boxes, the two traveling wheel boxes are installed on the track structure at intervals along the transverse bridge direction, and traveling wheels are provided at the bottom of the traveling wheel boxes. , the running wheel can roll along the track structure; at least two supporting legs, the two supporting legs are respectively fixed on the top of the running wheel box; the opposite ends of the traverse driving structure correspond to fixed to the top of the support leg.

The beneficial effects brought by the technical solution provided by the utility model include:

The embodiment of the present invention provides a hollow slab girder erection system. Since the track structure can include a first track segment and a second track segment, the second track segment can be translated relative to the first track segment along the transverse bridge direction. During construction, the traverse drive structure lifts the hollow slab girder, the girder shifting trolley moves from the first track section to the second track section to drop the beam, installs the hollow slab girder on the bridge pier, and then moves the girder shifting trolley to the first track. Section, repeat the lifting of the hollow slab girder and move the hollow slab girder to the corresponding position for installation. The hollow slab girder can be moved along the transverse bridge direction by the transverse drive structure, and the hollow slab girder can be installed on the pier along the horizontal bridge direction. The second track section is translated along the transverse bridge direction to adjust the position of the second track section on the bridge pier. Therefore, the above-mentioned hollow slab girder erection system can complete the bridge erection in a small construction space.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the schematic diagram of a kind of hollow slab girder erection system that lifts hollow slab girder provided by the utility model embodiment;

2 is a schematic diagram of transporting a hollow slab girder to a bridge pier provided by an embodiment of the present utility model;

3 is a schematic diagram of the first state structure of the track structure provided by the embodiment of the present invention;

4 is a schematic diagram of the second state structure of the track structure provided by the embodiment of the present invention;

5 is a schematic diagram of the third state structure of the track structure provided by the embodiment of the present invention;

Fig. 6 is the structural schematic diagram of the first view angle of the beam shifting trolley provided by the embodiment of the present utility model;

FIG. 7 is a schematic structural diagram of the beam shifting trolley provided by the embodiment of the present invention from a second perspective.

In the picture:

1. Track structure; 11. The first track segment; 111, sleeper row; 112, the first rail; 12, the second track segment; 121, the transverse track; 122, the running track beam;

2. Beam-moving trolley; 21. Traveling wheel box; 211. Traveling wheel; 212. Traveling wheel rail clamp; 22. Supporting leg; 23. Bottom beam;

3. Traverse drive structure; 31. The third track; 32. Lifting equipment;

4. Hollow slab beam.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments of the present invention are some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The embodiment of the present utility model provides a hollow slab girder erection system, which can solve the problem that the construction site space of rural highway bridges in the related art is narrow, cannot provide enough space for assembly, operation and dismantling for special bridge erection equipment, and cannot meet the requirements of large cranes. The problem of the layout of the working site of the machine.

Referring to FIGS. 1 to 5 , a hollow slab girder erection system provided by an embodiment of the present invention may include: a track structure 1, and the track structure 1 may include a first track segment 11 and a second track segment 12, The first track segment 11 can be connected with the second track segment 12, and the second track segment 12 can be laid on the bridge pier along the longitudinal bridge direction. In this embodiment, the opposite ends of the second track segment 12 can be installed on adjacent In other embodiments, the second track segment 12 can be laid on two bridge abutments, and the first track segment 11 can be arranged on one side of the second track segment 12 along the longitudinal direction. In this embodiment Among them, the first track segment 11 can be laid on the road surface, and the first track segment 11 can be connected with the second track segment 12, and the second track segment 12 can be translated relative to the first track segment 11 along the transverse bridge direction; at least two The beam-shifting trolley 2, the beam-shifting trolley 2 can be installed on the first track section 11, and the beam-shifting trolley 2 can move along the first track section 11 to the second track section 12, and the top of the beam-shifting trolley 2 can be provided with There is a traverse drive structure 3, the traverse drive structure 3 can lift the hollow slab girder 4, and the traverse drive structure 3 can also move the hollow slab girder 4 along the transverse bridge. 2 Move to the first track section 11, place the hollow slab girder 4 on the road surface, the traverse drive structure 3 on the beam shifting trolley 2 lifts the hollow slab girder 4, and then move the beam shifting trolley 2 to the second track In section 12, the hollow plate beam 4 is lowered through the traverse drive structure 3, and the hollow plate beam 4 is installed in the corresponding position, and then the beam shifting trolley 2 is moved to the first track section 11, and the next hollow plate beam 4 is continued to be lifted, Move the beam shifting trolley 2 to the second track section 12, move the hollow slab girder 4 along the transverse bridge direction through the transverse drive structure 3, so that the hollow slab girder 4 corresponds to the installation position, and then lower the hollow slab girder 4 and install it on the bridge pier After the hollow plate girder 4 is installed in the position corresponding to the second track section 12, move the second track section 12 to the next position along the transverse bridge direction, and hoist the first track section 11 to the second track section 12. At the corresponding position, continue to repeat the above-mentioned construction steps of installing the hollow slab girder 4 on the pier in turn, until the installation of the hollow slab girder 4 on the bridge pier is completed. , to complete the bridge erection.

3 to 5 , in some embodiments, the second track segment 12 may include: a transverse track 121, and the transverse track 121 may be laid on two adjacent bridge piers along the transverse bridge direction. In this embodiment, The transverse rail 121 includes two transverse sliding rails, and two adjacent bridge piers are respectively provided with a sliding rail, which can be pre-embedded with reserved bolts for the supports. The bottom of the transverse rail 121 The reserved bolt of the support is connected with the first bolt hole; the running track beam 122, in this embodiment, can be provided with two running track beams 122 at intervals, and the two running track beams 122 are parallel to each other, in other embodiments, can be set There are other numbers of running track beams 122. The running track beams 122 can be installed on the lateral rails 121 along the longitudinal bridge direction, and the running track beams 122 can move along the lateral rails 121. In this embodiment, the bottom of the running track beams 122 can be set. There is a slider, the transverse rail 121 can be provided with a chute, the chute can extend along the length direction of the transverse rail 121, the slider can be slidably inserted in the chute, and in other embodiments, the running track beam 122 can slide through other structures Installed on the transverse rail 121, the running rail beam 122 can be provided with a second rail along the longitudinal bridge direction, the second rail can be connected with the first rail section 11, the beam shifting trolley 2 can be slidably installed on the first rail section 11, and The beam shifting trolley 2 can move from the first rail section 11 to the second rail, and the beam shifting trolley 2 can move more smoothly on the above-mentioned track structure 1 .

Referring to FIGS. 3 to 5 , in some embodiments, the second track segment 12 may further include: a sliding plate, the sliding plate may be installed on the transverse rail 121 , in this embodiment, the sliding plate may be an MGE board, and the top of the transverse rail 121 A second bolt hole may be provided, which is connected to the second bolt hole through the MGE plate, the MGE plate is fixed to the transverse rail 121, and the running rail beam 122 is installed on the top of the MGE plate along the longitudinal bridge direction, which can be matched with the reverse chain. The running track beam 122 is manually pulled to translate laterally on the lateral track 121, and the setting of the slide plate can minimize the friction coefficient of the slideway and improve the construction efficiency.

Referring to FIGS. 1 to 5 , in some embodiments, the first track segment 11 may include: a plurality of sleeper rows 111 , the multiple sleeper rows 111 may be arranged at intervals along the longitudinal bridge direction, and the multiple sleeper rows 111 may be arranged at On the road surface, and located on one side of the second track section 12; the first rail 112, the first rail 112 can be laid on a plurality of sleeper rows 111 along the longitudinal bridge direction, and the first rail 112 can be connected with the second rail section 12 That is, the first steel rail 112 can be connected with the second steel rail, and the beam shifting trolley 2 can be moved more smoothly by arranging the sleeper row 111 .

Referring to FIGS. 6 and 7 , in some embodiments, the beam shifting trolley 2 may include: a running wheel box 21 , the bottom of the running wheel box 21 may be provided with running wheels 211 , and the running wheels 211 may be installed on the track structure 1 , and the running wheel 211 can move along the track structure 1, that is, the running wheel 211 can be installed on the first rail 112, and the running wheel 211 can move along the first rail 112 to the second rail, the outer ring of the running wheel 211 can be It is concave toward the center of the running wheel 211, and the depression of the running wheel 211 can be matched with the first rail 112 and the second rail. When the running wheel 211 moves on the first rail 112 or the first rail 112, the first rail 112 or the first rail 112 The top of a rail 112 can be inserted into the recess of the running wheel 211 ; the supporting legs 22 can be installed on the top of the running wheel box 21 , and in this embodiment, the supporting legs 22 can be welded on the running wheel box 21 . The top, in other embodiments, the support legs 22 can be fixed on the top of the running wheel box 21 by bolts, and the structure of the support legs 22 can be composed of two right-angled triangle frames, and the longer right-angled sides of the two right-angled triangle frames are welded to each other. Fixed together, the short right-angled sides of the two right-angled triangular frames are welded to the top of the running wheel box 21, and the traverse drive structure 3 is installed on the top of the two right-angled triangular frames. The hoisted hollow slab beam 4 moves along the track structure 1.

Referring to FIGS. 6 and 7 , in some embodiments, the beam shifting trolley 2 may further include: a bottom beam 23 , and the bottom beam 23 may be fixed on the top of the running wheel box 21 . In this embodiment, the bottom beam 23 is One side is welded on the top of the running wheel box 21. In other embodiments, the bottom beam 23 can be fixed on the top of the running wheel box 21 by bolts, and the top of the bottom beam 23 is fixed with the bottom of the supporting leg 22. By setting the bottom beam 23, it can be The running wheel box 21 and the supporting legs 22 are connected more firmly.

6 and 7, in some embodiments, the traveling wheel box 21 may be provided with a traveling wheel rail clamp 212, and the traveling wheel rail clamp 212 may be located on one side of the traveling wheel 211, when the beam shifting trolley 2 After moving to the predetermined position, the running wheel rail clamp 212 can be lowered to fix the beam shifting trolley 2 to the track structure 1 so that the beam shifting trolley 2 will not shake when lifting or lowering the hollow slab beam 4 .

6 and shown, in some embodiments, the traverse drive structure 3 may include: a third rail 31, the third rail 31 may be installed on the top of the beam moving trolley 2, that is, the third rail 31 may be installed in On the top of the support leg 22, the third rail 31 can extend along the transverse bridge direction; the hoisting device 32, the hoisting device 32 can be installed on the third track 31, in this embodiment, the hoisting device 32 can be installed on the third track 31 close to the track structure 1 side, in other embodiments, the hoisting device 32 can be installed at other positions on the third track 31, and the hoisting device 32 can move along the third track 31, that is, the hoisting device 32 can hoist the hollow slab beam 4, Then, by moving the hoisting device 32 in the lateral direction, the lateral position of the hollow-core slab beam 4 is adjusted, so that the hollow-core slab girder 4 can be better installed.

Referring to FIG. 6 , in some embodiments, the hoisting device 32 may include: two electric hoists, the two electric hoists may be installed on the third rail 31 at intervals, and the electric hoists may move along the third rail 31, An electric hoist hoists the hollow slab beam 4, which is convenient for hoisting.

Referring to FIGS. 6 and 7 , in some embodiments, the beam shifting trolley 2 may include: at least two traveling wheel boxes 21 , and the two traveling wheel boxes 21 may be installed on the track structure 1 at intervals along the transverse bridge direction, and travel The bottom of the wheel box 21 can be provided with a running wheel 211, and the running wheel 211 can roll along the track price, that is, the beam shifting trolley 2 can move on the track structure 1; at least two supporting legs 22, the two supporting legs 22 can respectively correspond to It is fixed on the top of the traveling wheel box 21, the traverse drive structure 3 can be laterally arranged on the top of the two support legs 22, and the opposite ends of the traverse drive structure 3 can be respectively fixed on the top of the two support legs 22. The structure of the beam trolley 2 can more stably lift the hollow plate beam 4 and move the hollow plate beam 4 .

The principle of a hollow slab beam erection system provided by the embodiment of the present utility model is as follows:

Since the track structure 1 includes the connected first track segment 11 and the second track segment 12, the first track segment 11 can be laid on the road surface along the transverse bridge direction, the second track segment 12 can be laid on the bridge pier along the transverse bridge direction, and the second track segment The segment 12 can be translated relative to the first track segment 11 in the transverse bridge direction, two beam shifting trolleys 2 can be mounted on the first track segment 11, and the beam shifting trolley 2 can move along the first track segment 11 to the second track segment 11. Track section 12, the top of the beam shifting trolley 2 can be provided with a traverse drive structure 3, the traverse drive structure 3 can lift the hollow plate girder 4, and the traverse drive structure 3 can also move the hollow plate girder 4 along the transverse bridge direction, During bridge construction, the traverse drive structure 3 on the beam shifting trolley 2 lifts the hollow slab girder 4, and then moves the beam shifting trolley 2 to the second track section 12, and drives the traverse through the traverse drive. The structure 3 lowers the hollow slab beam 4, installs the hollow slab girder 4 in the corresponding position, then moves the beam shifting trolley 2 to the first track section 11, continues to lift the next hollow slab beam 4, and moves the beam shifting trolley 2 To the second track section 12 until the bridge is installed, therefore, the above-mentioned hollow slab girder erection system can complete the erection of the bridge in a small construction space.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the It is described, rather than indicated or implied, that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

It should be noted that in the present invention, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or Any such actual relationship or order between these entities or operations is implied. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above are only specific embodiments of the present invention, so that those skilled in the art can understand or realize the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

1. A hollow slab beam erection system, characterized in that it comprises:

the track structure (1) comprises a first track section (11) and a second track section (12) which are connected, the second track section (12) is laid on a pier along a longitudinal bridge direction, the first track section (11) is arranged on one side of the second track section (12) along the longitudinal bridge direction, and the second track section (12) can translate along a transverse bridge direction relative to the first track section (11);

at least two move roof beam platform truck (2), move roof beam platform truck (2) install in first track section (11), just move roof beam platform truck (2) can follow first track section (11) move to second track section (12), the top of moving roof beam platform truck (2) is equipped with sideslip drive structure (3), sideslip drive structure (3) are used for lifting by crane hollow slab beam (4), and move along the cross bridge to hollow slab beam (4).

2. The hollow slab girder erection system of claim 1, wherein the second track section (12) comprises:

the transverse rail (121), the transverse rail (121) is laid on two adjacent piers along the transverse bridge direction;

the walking track beam (122) is mounted on the transverse track (121) along a longitudinal bridge direction, the walking track beam (122) can move along the transverse track (121), a second steel rail is arranged on the walking track beam (122) along the longitudinal bridge direction, and the second steel rail is connected with the first track section (11).

3. The hollow plate girder erection system of claim 2, wherein the second track section (12) further comprises:

the sliding plates are slidably mounted on the transverse rails (121), and the walking rail beams (122) are mounted on the sliding plates along the longitudinal bridge direction.

4. A hollow slab girder erection system according to claim 1, wherein the first track section (11) comprises:

the sleeper rows (111) are arranged at intervals along the longitudinal bridge direction;

the first steel rail (112) is laid on the sleeper rows (111) along the longitudinal bridge direction, and the first steel rail (112) is connected with the second track section (12).

5. A hollow slab girder erection system according to claim 1 wherein the girder-moving trolley (2) comprises:

the track structure comprises a walking wheel box (21), wherein walking wheels (211) are arranged at the bottom of the walking wheel box (21), the walking wheels (211) are installed on the track structure (1), and the walking wheels (211) can move along the track structure (1);

a support leg (22), wherein the support leg (22) is installed on the top of the traveling wheel box (21);

the transverse moving driving structure (3) is arranged at the top of the supporting leg (22).

6. The hollow slab girder erection system of claim 5, wherein the girder-moving trolley (2) further comprises:

the bottom cross beam (23), the bottom cross beam (23) is fixed in the top of the walking wheel box (21), and the top of the bottom cross beam (23) is fixed with the supporting legs (22).

7. The hollow slab girder erection system of claim 5, wherein:

the walking wheel box (21) is provided with a walking wheel rail clamping device (212), and the walking wheel rail clamping device (212) is positioned on one side of the walking wheel (211).

8. A hollow slab girder erection system as claimed in claim 1 wherein the traverse driving structure (3) comprises:

the third rail (31) is installed at the top of the beam moving trolley (2), and the third rail (31) extends along the transverse bridge direction;

a lifting apparatus (32), the lifting apparatus (32) being mounted to the third rail (31), and the lifting apparatus (32) being movable along the third rail (31).

9. The hollow slab girder erection system of claim 8, wherein the lifting apparatus (32) comprises:

and the two electric hoists are slidably mounted on the third rail (31), and the electric hoists are used for hoisting the hollow plate beam (4).

10. The hollow slab girder erection system of claim 1, wherein the girder moving trolley (2) comprises:

the track structure comprises at least two walking wheel boxes (21), wherein the two walking wheel boxes (21) are arranged on the track structure (1) at intervals along the transverse bridge direction, walking wheels (211) are arranged at the bottom of each walking wheel box (21), and the walking wheels (211) can roll along the track structure (1);

the two supporting legs (22) are respectively and correspondingly fixed on the top of the walking wheel box (21);

and the opposite end parts of the transverse moving driving structure (3) are respectively and correspondingly fixed on the tops of the supporting legs (22).

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