Multifunctional highway bridge girder erection machine lifting appliance

Abstract

The utility model discloses a multifunctional highway bridge girder erection machine lifting appliance which comprises a lifting beam carrying pole, a pocket beam steel wire rope, four movable pulley blocks and a plurality of groups of hoisting mechanism steel wire ropes, a first hoisting hole, a second hoisting hole, a third hoisting hole, a fourth hoisting hole, a fifth hoisting hole and a sixth hoisting hole are sequentially formed below the hoisting beam carrying pole from one end to the other end; the six hoisting holes at different positions are formed below the hoisting beam carrying pole, different hoisting holes are selected to be matched with the beam wrapping steel wire ropes when beam bodies of different types are wrapped and bundled, the hoisting holes can be reserved for hoisting construction completely according to the design, the hoisting beam carrying pole is uniform in stress, the transverse stability of the beam bodies is good, the operation efficiency is improved, and the construction cost is reduced. The safety risk is reduced, and the hoisting of the existing road precast beam can be realized through the hoisting tool; the problem that a flange plate is damaged due to the fact that a pocket beam steel wire rope extrudes the beam body flange plate in a traditional pocket bundling method is solved; and the problem of uneven stress of left and right winches caused by center-of-gravity shift in a traditional bag bundling method is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge girder erection machine technical field especially relates to a multifunctional highway bridge girder erection machine sling. BACKGROUND

[0002] In the process of highway precast bridge erection by bridge girder erection machine, there are box girder, T girder, two kinds of beam type are provided with middle beam (symmetry) and side beam (asymmetry) respectively, according to the design requirement " the hoisting method of the hoisting hole is arranged to wear the beam body, the vertical distance of the precast box girder hoisting point position to the beam end adopts 1100mm, the horizontal bridge distance is 100mm from the cantilever root; The precast T girder hoisting point should be arranged within 30cm of the center line of the beam end spacer beam; The hoisting reserved hole can adopt PVC pipe, and the hole diameter is determined according to the size of the sling." The existing highway bridge machine sling basically does not meet the design girder hoisting mode, and the whole beam is mostly adopted, which is easy to cause the wing plate to be damaged by steel wire rope extrusion, and many disadvantages such as uneven stress of the sling, construction inconvenience and certain safety hazards exist.

[0003] Therefore, it is necessary to develop a multifunctional highway bridge girder erection machine sling to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at designing a multifunctional highway bridge girder erection machine sling to solve the above problems.

[0005] The utility model realizes the above-mentioned purposes through the following technical schemes:

[0006] A multifunctional highway bridge girder erection machine sling, comprising:

[0007] The beam sling is provided with a first hoisting hole, a second hoisting hole, a third hoisting hole, a fourth hoisting hole, a fifth hoisting hole and a sixth hoisting hole from one end to the other end below the beam sling, the first hoisting hole, the second hoisting hole and the third hoisting hole are symmetrically distributed with respect to the vertical center line of the beam sling, the second hoisting hole and the third hoisting hole are close to each other, the fifth hoisting hole and the sixth hoisting hole are close to each other, and the third hoisting hole and the fourth hoisting hole are close to the vertical center line of the beam sling;

[0008] The beam sling steel wire rope is fixed on two hoisting holes through the hoisting pin shaft, and the middle part of the beam sling steel wire rope is arranged to wear the beam body;

[0009] Four movable pulley groups are arranged in the two ends of the beam sling, and each movable pulley group is rotatably installed in the four first installation grooves through the movable pulley group pin shaft.

[0010] Multiple groups of hoisting mechanism steel wire ropes; multiple groups of hoisting mechanism steel wire ropes are connected with the bridge girder hoisting trolley winch after passing through multiple groups of movable pulleys.

[0011] Further, the first hoisting hole and the sixth hoisting hole are respectively arranged below two ends of the hoisting beam pole.

[0012] Further, the first hoisting hole and the sixth hoisting hole are respectively arranged below two ends of the hoisting beam pole.

[0013] Further, the first hoisting hole and the sixth hoisting hole are respectively arranged below two ends of the hoisting beam pole.

[0014] Further, the multifunctional highway bridge girder hoist further comprises an open pin, a mounting hole is arranged on a side wall close to a tail portion of the hoisting pin shaft, the open pin is mounted in the mounting hole, and the open pin is perpendicular to the hoisting pin shaft.

[0015] The utility model has the advantages that:

[0016] The six hoisting holes arranged at different positions below the hoisting beam pole are used to select different hoisting holes and hoisting steel wires to cooperate with the hoisting of different types of beam bodies, the hoisting construction can be completely carried out according to the design reserved hoisting holes, the hoisting beam pole is uniformly stressed, the beam body has good lateral stability, the operation efficiency is improved, the safety risk is reduced, the existing highway precast beam type can be hoisted through the hoist, the problem that the flange plate is damaged due to the extrusion of the hoisting steel wire in the traditional hoisting method is avoided, the problem that the left and right winches are unevenly stressed due to the gravity center deviation in the traditional hoisting method is avoided, the problem that the beam body is laterally overturned due to the gravity center deviation in the traditional hoisting method is avoided, the hoisting steel wire angle is reduced through the hoist, smaller hoisting steel wires can be selected, the previous two pairs of hoisting steel wires for the middle beam and the side beam are integrated into one pair of hoisting steel wires, and the hoist has the characteristics of simple structure, convenient operation and cost saving. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a front view of the multifunctional highway bridge girder hoist according to the utility model;

[0018] Figure 2 is a side view of the multifunctional highway bridge girder hoist according to the utility model;

[0019] Figure 3 is a front view of the multifunctional highway bridge girder hoist in a hoisting T-beam middle beam use state according to the utility model;

[0020] Figure 4 is a main view of a right side beam in a T-beam hoisting state of a multifunctional highway bridge erecting machine hoist according to the utility model;

[0021] Figure 5 is a main view of a left side beam in a T-beam hoisting state of a multifunctional highway bridge erecting machine hoist according to the utility model;

[0022] Figure 6 is a main view of a middle beam in a box beam hoisting state of a multifunctional highway bridge erecting machine hoist according to the utility model;

[0023] Figure 7 is a main view of a right side beam in a box beam hoisting state of a multifunctional highway bridge erecting machine hoist according to the utility model;

[0024] Figure 8 is a main view of a left side beam in a box beam hoisting state of a multifunctional highway bridge erecting machine hoist according to the utility model;

[0025] In the figure, 1 is a beam carrying pole, 2 is a movable pulley block, 3 is a movable pulley block pin shaft, 4 is a hoisting mechanism steel wire rope, 5 is a first hoisting hole, 6 is a second hoisting hole, 7 is a third hoisting hole, 8 is a fourth hoisting hole, 9 is a fifth hoisting hole, 10 is a sixth hoisting hole, 11 is a hoisting pin shaft, 12 is a split pin, 13 is a movable pulley block pin shaft clamping plate, 14 is a movable pulley block pin shaft clamping plate bolt, 15 is a beam body reserved hoisting hole, 16 is a steel wire rope for a beam pocket, 17 is a middle beam of a T-beam, 18 is a right side beam of a T-beam, 19 is a left side beam of a T-beam, 20 is a middle beam of a box beam, 21 is a right side beam of a box beam, and 22 is a left side beam of a box beam. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0028] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of this utility model, it should be understood that the terms "upper", "lower", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use, or the orientation or positional relationship that is commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0031] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, terms such as "set" and "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0033] like Figures 1-2 As shown, a multi-functional highway bridge erecting machine spreader includes:

[0034] The lifting beam spreader 1 has a series of lifting holes arranged sequentially from one end to the other: a first lifting hole 5, a second lifting hole 6, a third lifting hole 7, a fourth lifting hole 8, a fifth lifting hole 9, and a sixth lifting hole 10. The first lifting hole 5, the second lifting hole 6, the third lifting hole 7, the fourth lifting hole 8, the fifth lifting hole 9, and the sixth lifting hole 10 are symmetrically distributed with respect to the vertical center line of the lifting beam spreader 1. The second lifting hole 6 and the third lifting hole 7 are close to each other, the fifth lifting hole 9 and the sixth lifting hole 10 are close to each other, and the third lifting hole 7 and the fourth lifting hole 8 are close to the vertical center line of the lifting beam spreader 1. The lifting beam spreader 1 is a combined box-shaped steel structure welded from steel plates.

[0035] Beam support wire rope; the two ends of the beam support wire rope are fixed to two of the lifting holes by lifting pins 11, and the middle of the beam support wire rope is used to wrap around the beam body;

[0036] Four movable pulley blocks 2; both ends of the lifting beam spreader 1 are provided with two horizontally parallel first mounting slots, and the four movable pulley blocks 2 are rotatably installed in the four first mounting slots through the movable pulley block pins 3;

[0037] Multiple sets of hoisting wire ropes 4; the multiple sets of hoisting wire ropes 4 pass through multiple movable pulley groups 2 and are connected to the hoisting winch of the bridge erecting machine.

[0038] like Figure 1 As shown, in some embodiments, the first lifting hole 5 and the sixth lifting hole 10 are respectively located below both ends of the lifting beam spreader 1.

[0039] like Figure 1 As shown, a first protrusion is provided below the middle part of the lifting beam spreader 1, and a second protrusion is provided below both ends of the lifting beam spreader 1. The first lifting hole 5 and the sixth lifting hole 10 are respectively placed on the two second protrusions, and the second lifting hole 6, the third lifting hole 7, the fourth lifting hole 8 and the fifth lifting hole 9 are all located on the first protrusion.

[0040] like Figure 1 As shown, the first lifting hole 5, the second lifting hole 6, the third lifting hole 7, the fourth lifting hole 8, the fifth lifting hole 9, and the sixth lifting hole 10 are further arranged on the same horizontal plane.

[0041] like Figure 2 As shown, the multi-functional highway bridge erecting machine's spreader also includes a cotter pin 12. A mounting hole is provided on the side wall near the tail end of the lifting pin shaft 11, and the cotter pin 12 is installed in the mounting hole, perpendicular to the lifting pin shaft 11. The cotter pin 12 is provided to prevent the lifting pin shaft 11 from falling off.

[0042] like Figure 2 As shown, the multi-functional highway bridge erecting machine's lifting device also includes a movable pulley block pin clamping plate 13 and a movable pulley block pin clamping plate bolt 14; the movable pulley block pin clamping plate 13 is installed at the end of the movable pulley pin 3 to limit the lateral movement and rotation of the movable pulley pin 3; the movable pulley block pin clamping plate 13 is fixed to the lifting beam spreader 1 below the movable pulley pin 3 by the movable pulley block pin clamping plate bolt 14.

[0043] The application is used in the following ways:

[0044] like Figure 3 As shown, when hoisting the T-beam middle beam 17, the lifting wire rope is wrapped around the beam body, passes through the pre-reserved lifting hole 15 on the beam body, and the two lifting wire ropes are installed at the third lifting hole 7 and the fourth lifting hole 8 of the multi-functional highway bridge erecting machine lifting tool, and fixed with the lifting pin 11.

[0045] like Figure 4As shown, when hoisting the right side beam 18 of the T beam, the hoisting steel wire rope 16 holds the beam body, passes through the reserved hoisting hole 15 of the beam body, installs two hoisting ropes of the hoisting steel wire rope in the second hoisting hole 6 and the fourth hoisting hole 8 of the multifunctional highway bridge erecting machine hoist, and fixes by using the hoisting pin shaft 11.

[0046] As shown in the figure, Figure 5 As shown, when hoisting the left side beam 19 of the T beam, the hoisting steel wire rope 16 holds the beam body, passes through the reserved hoisting hole 15 of the beam body, installs two hoisting ropes of the hoisting steel wire rope in the third hoisting hole 7 and the fifth hoisting hole 9 of the multifunctional highway bridge erecting machine hoist, and fixes by using the hoisting pin shaft 11.

[0047] As shown in the figure, Figure 6 As shown, when hoisting the middle beam 20 of the box beam, the hoisting steel wire rope 16 holds the beam body, installs two hoisting ropes of the hoisting steel wire rope in the first hoisting hole 5 and the sixth hoisting hole 10 of the multifunctional highway bridge erecting machine hoist, and fixes by using the hoisting pin shaft 11.

[0048] As shown in the figure, Figure 7 As shown in the figure, 8 As shown, when hoisting the side beam (the left side beam 22 of the box beam and the right side beam 21 of the box beam), the hoisting steel wire rope 16 holds the beam body, passes through the reserved hoisting hole 15 of the beam body, installs two hoisting ropes of the hoisting steel wire rope in the first hoisting hole 5 and the sixth hoisting hole 10 of the multifunctional highway bridge erecting machine hoist, and fixes by using the hoisting pin shaft 11.

[0049] The above only is the preferred embodiment of the present application, it should be pointed out, for ordinary skilled in the art, without departing from the technical principle of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A multi-functional highway bridge erecting machine sling, characterized by, The utility model relates to a multifunctional highway bridge erecting machine lifting device which comprises a lifting beam pole, a beam wire rope, four movable pulley groups and a plurality of hoisting mechanism wire ropes. The lifting beam pole is provided with a first lifting hole, a second lifting hole, a third lifting hole, a fourth lifting hole, a fifth lifting hole and a sixth lifting hole from one end to the other end in sequence. The first lifting hole, the second lifting hole and the third lifting hole are symmetrically distributed with respect to the vertical center line of the lifting beam pole. The second lifting hole and the third lifting hole are close to each other. The fifth lifting hole and the sixth lifting hole are close to each other. The third lifting hole and the fourth lifting hole are close to the vertical center line of the lifting beam pole.

2. The multi-functional highway bridge erecting machine sling according to claim 1, characterized in that, The beam wire rope is fixed on two lifting holes through a hoisting pin shaft.

3. The multi-functional highway bridge erecting machine sling according to claim 2, characterized in that, The two ends of the beam wire rope are fixed on two lifting holes through a hoisting pin shaft.

4. The multi-functional highway bridge erecting machine sling according to claim 3, characterized in that, The middle part of the beam wire rope is provided with a beam body.

5. The multi-functional highway bridge girder launching device of claim 1, wherein, The two ends of the lifting beam pole are provided with two first installation grooves. The four movable pulley groups are rotatably installed in the four first installation grooves through movable pulley group pin shafts. The plurality of hoisting mechanism wire ropes are connected with a bridge erecting machine hoist winch after passing through the plurality of movable pulley groups. The first lifting hole and the sixth lifting hole are respectively arranged below the two ends of the lifting beam pole. The middle part of the lifting beam pole is provided with a first protruding part. The two ends of the lifting beam pole are provided with second protruding parts. The first lifting hole and the sixth lifting hole are respectively arranged on the two second protruding parts. The second lifting hole, the third lifting hole, the fourth lifting hole and the fifth lifting hole are arranged on the first protruding part. The first lifting hole, the second lifting hole, the third lifting hole, the fourth lifting hole, the fifth lifting hole and the sixth lifting hole are arranged on the same horizontal plane. The multifunctional highway bridge erecting machine lifting device further comprises an open pin. The open pin is installed in the installation hole. The open pin is perpendicular to the hoisting pin shaft.

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