Large hanging basket for continuous operation of double-amplitude bridge pier

Abstract

The utility model relates to the technical field of bridge construction, in particular to a large hanging basket for continuous operation of double piers, which comprises a hoisting crown block mounted on a left cover beam and a right cover beam, the hoisting crown block can walk along the bridge surface of the cover beams along the bridge direction, a construction platform is arranged below the hoisting crown block, and a lifting platform is arranged on the construction platform. The construction platform is suspended below the hoisting crown block through a steel wire rope, and an operation type electric loop chain hoist is arranged on the construction platform. The device has the advantages that (1) the device can adapt to areas without construction conditions, such as water areas, mountains, steep lands and the like, of lower structures; (2) the bearing capacity is enough, and the construction load of 20t can be borne; (3) left and right synchronous construction can be carried out; (4) the structure is simple, convenient and fast; and (5) all mechanical equipment can be transferred on the platform and can move forwards without being transferred on the ground, and all construction can be completed in the air.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, concretely relates to a large -scale basket for double -width pier continuous operation. BACKGROUND

[0002] When the bridge adopts large-span steel concrete composite beam, often takes many spans as a link, after the whole link installation is completed, needs to use the jack to the middle pier top steel beam to lift a certain height. But the problem often appears at this time: the bridge pier column part is on the land, part is in the Yellow River channel, so the equipment cannot be transported on the ground; the lifting force and the lifting height required by the lifting operation are very large, and the self weight of the jack and the related equipment is also large.

[0003] At present, the construction methods commonly used in bearing replacement and superstructure lifting engineering include erecting scaffolding, erecting steel pipe support, setting pre-embedded part to connect construction platform, using maintenance vehicle or climbing vehicle, etc. The main problems of the above methods are:

[0004] (1) erecting scaffolding and erecting steel pipe support: 1) large workload, a large amount of scaffolding (steel pipe support) needs to be erected on both sides of the pier column; 2) long construction period, long use time; 3) high cost of labor and material; 4) cannot be constructed on water; 5) the foundation of each pier position needs to be treated.

[0005] (2) setting pre-embedded part to connect construction platform: 1) the connecting steel plate needs to be pre-embedded on the top of the pier, the equipment is not available for the old bridge, and most of them are not matched; 2) large workload, the platform needs to be lifted by the crane for each pier; 3) long construction period, long use time; 4) high cost of labor and material; 5) cannot be constructed on water.

[0006] (3) using maintenance vehicle: small bearing capacity, can only bear the weight of personnel and a small amount of materials, cannot be used for large bridges; the maintenance vehicle cannot bear large load.

[0007] (4) using climbing vehicle: 1) small bearing capacity, can only bear the weight of personnel and a small amount of materials, cannot be used for large bridges, needs to be transported many times, low efficiency; 2) cannot be constructed on water. SUMMARY

[0008] The utility model aims at the deficiency of prior art, provides a large -scale basket for double -width pier continuous operation, through the installation of the hoisting crane on the left and right width bridge deck, through the left and right width middle area, the construction platform is lifted and moved, when the steel beam lifting or bridge bearing replacement is carried out, the landing is not needed, the bearing capacity is large, the double -width synchronous construction, the continuous construction of many pier positions are provided.

[0009] The utility model realizes the purpose by the following technical scheme:

[0010] A large-scale hanging basket for continuous operation beside double-width bridge piers, characterized in that a hoisting crane is installed on the left and right width cover beams, the hoisting crane can move along the bridge surface of the cover beam, a construction platform is arranged below the hoisting crane and is suspended below the hoisting crane through a steel wire rope, and a running electric ring-chain hoist is arranged on the construction platform.

[0011] Construction platforms are arranged on the front and back sides of the cover beam along the bridge surface, and the construction platforms are connected to form an integral structure through platform connecting rods.

[0012] A splicing plate is arranged on the construction platform, and the splicing plate and the platform connecting rod are detachably connected and fixed through bolts.

[0013] The construction platform is installed on the cover beam through double-spliced channel steel.

[0014] The lower part of the construction platform is attached to the side surface of the cover beam to form a support.

[0015] In the transverse direction of the bridge, the middle region structure of the construction platform is reinforced to store construction equipment.

[0016] The advantages of the utility model are:

[0017] (1) solve the problem of water operation: through the large-scale hanging basket for continuous operation beside double-width bridge piers, a construction platform is erected in the area without construction conditions on water, gorges, etc.

[0018] (2) solve the problem of repeated disassembly of the support: the conventional support needs to be erected beside each pier, and after use, it is disassembled and moved to the next area for erection, and the large-scale hanging basket for continuous operation beside double-width bridge piers is used, and after the construction on the top of one pier is completed, it is directly driven to the next pier position.

[0019] (3) solve the problem of double-width synchronous construction: through the large-scale hanging basket for continuous operation beside double-width bridge piers, double-width and different pier positions can be continuously constructed, and a large amount of construction period can be saved.

[0020] (4) solve the problem of no pre-embedded parts of the cover beam: through the bridge surface crane, no pre-embedded parts are needed on the structure, and the structure can be protected; many long bridges without pre-embedded parts can also be used, and the device has a wider application condition.

[0021] (5) solve the problem of bearing capacity: the existing construction method has small bearing capacity of the construction platform, the structure of the utility model suspends the platform on the cover beam, transfers the load to the cover beam, and can well solve the problem.

[0022] (6) Simultaneous construction of left and right spans and continuous construction of different pier tops greatly saves the construction period; it saves the personnel and time consumption of large-scale support platform erection, foundation treatment, support dismantling and equipment hoisting; it saves costs, is convenient to construct and easy to operate. Attached Figure Description

[0023] Figure 1 This is a front view of the present invention;

[0024] Figure 2 This is a side view of the present invention;

[0025] Figure 3 This is an enlarged view of the platform connection in this utility model;

[0026] Figure 4 This is a schematic diagram of the arrangement of the movable ladder cage in this utility model. Detailed Implementation

[0027] The features of this utility model and other related features will be further described in detail below with reference to the accompanying drawings and embodiments, so as to facilitate the understanding of those skilled in the art:

[0028] like Figures 1-4 As shown in the figure, the numbers 1-18 represent: 1. Overhead crane; 2. Construction platform; 3. Platform connecting rod; 4. Splicing plate; 5. Bolt; 6. Nut; 7. Washer; 8. Wire rope sling; 9. Bow shackle; 10. Hand chain hoist; 11. Wire rope sling; 12. Bow shackle; 13. Traveling electric chain hoist; 14. Lifting chain sling; 15. Mobile cage ladder; 16. Main rope; 17. Auxiliary rope; 18. Hydraulic pump station.

[0029] Example: Figures 1 to 3 As shown, the large suspended platform used for continuous operation on both bridge piers in this embodiment mainly consists of two parts: a crane 1 and a construction platform 2. The crane 1 is installed on the left and right bridge decks and moves the construction platform 2 through the middle area between the left and right bridge decks. A hydraulic pump station 18 is also installed on the left and right bridge decks, and the hydraulic pump station 18 is connected to the hydraulic support set under the cap beam.

[0030] Combination Figures 1 to 3 As shown, construction platform 2 spans the left and right bridge piers in the transverse direction of the bridge to ensure that construction of the substructure below the cap beam can be carried out. Construction platform 2 is suspended from the overhead crane 1 by main rope 16 and auxiliary rope 17, specifically on the support platform between the overhead cranes on the left and right bridge decks. Main rope 16 is fixed to the middle of construction platform 2 by wire rope slings 8 and bow-shaped shackles 9, while auxiliary rope 17 is set on both sides outside of main rope 16 by wire rope slings 11 and bow-shaped shackles 12 to ensure the suspension effect of the construction platform, especially the structural stability and safety of construction platform 2.

[0031] In the embodiment, a hand chain hoist 10 is arranged at the position of the auxiliary rope 17, by which the levelness of the construction platform 2 can be slightly adjusted, and the safety of the construction personnel is ensured.

[0032] In the bridge direction, the construction platforms 2 are arranged on both sides of the lower structure, and the two construction platforms 2 are connected by the platform connecting rods 3 to form an integral structure, so as to further improve the structural stability of the construction platform. Figure 3 As shown in the figure, the adjacent sides of the two construction platforms 2 are respectively provided with splicing plates 4, which are connected with one end of the platform connecting rod 3 through bolts 5, nuts 6 and washers 7, so that the two construction platforms 2 can be connected to form an integral structure through the platform connecting rod 3.

[0033] The running electric ring chain hoist 13 and the lifting chain sling 14 are arranged in the construction platform 2, so as to facilitate the construction personnel to carry the construction equipment.

[0034] In the embodiment, the whole construction platform 2 is specially designed according to the construction requirements, and meets all the construction load requirements. The middle area of the construction platform is reinforced to store the construction equipment for transportation in the later period. At the same time, the construction platform 2 can be further provided with fixing measures in multiple directions: 1) installed on the bent cap through double spliced channel steel to cantilever the platform; 2) hoisted by the gantry wire rope; 3) hung on the bent cap through the upper part of the construction platform, and attached to the side surface of the bent cap through the lower part to form a support, so as to ensure the overall stability.

[0035] After the construction of each pier top is completed, the construction platform 2 is rotated by 90° by the hoisting crane 1, passes through the middle area of the bent cap, and then is used for the construction of the next pier column area. A movable cage ladder 15 is additionally arranged to be used by the construction personnel to go up and down.

[0036] Although the above embodiment has been described in detail with reference to the accompanying drawings for the purpose of the concept and embodiment of the present application, those skilled in the art can realize that various improvements and changes can be made to the present application without departing from the scope defined by the claims, and therefore, detailed description is not given here.

Claims

1. A large-scale hanging basket for continuous operation of a double-width pier, characterized by: The crane trolley is installed on the left and right width of the cover beam, and can move along the bridge surface of the cover beam, and a construction platform is arranged below the crane trolley and is suspended below the crane trolley through a steel wire rope, and a running type electric ring chain hoist is arranged on the construction platform.

2. A large-scale hanging basket for continuous operation of double-width piers according to claim 1, characterized in that: Construction platforms are arranged on the front and back sides of the cover beam along the bridge surface, and the construction platforms are connected through platform connecting rods to form an integral structure.

3. A large-scale hanging basket for continuous operation of double-width piers according to claim 2, characterized in that: A splicing plate is arranged on the construction platform, and the splicing plate and the platform connecting rod are detachably connected and fixed through bolts.

4. A large-scale hanging basket for continuous operation of double-width piers according to claim 1, characterized in that: The construction platform is installed on the cover beam through double splicing channel steels.

5. A large-scale hanging basket for continuous operation of double-width piers according to claim 1, characterized in that: The lower part of the construction platform is attached to the side surface of the cover beam to form a support.

6. A large-scale hanging basket for continuous operation of double-width piers according to claim 1, characterized in that: Along the transverse bridge direction, the middle area structure of the construction platform is reinforced to store construction equipment. Along the transverse bridge direction, the middle area structure of the construction platform is reinforced to store construction equipment.

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