Column type stepless rotating device

Abstract

The utility model provides a stand column type stepless rotating device. The stand column type stepless rotating device comprises an upper rotating sleeve, a lower rotating sleeve, an upper flange, a lower flange and a stand column rotating pin shaft. The upper rotating sleeve is sleeved with the lower rotating sleeve, and the stand column rotating pin shaft penetrates through the center of the bottom of the upper rotating sleeve and the center of the bottom of the lower rotating sleeve, so that the upper rotating sleeve is rotationally connected with the lower rotating sleeve. The upper flange is fixedly connected with the upper portion of the upper rotating sleeve, the lower flange is fixedly connected with the upper portion of the lower rotating sleeve, and the upper flange is located above the lower flange. Upper annular holes are uniformly distributed in the upper flange, and lower annular holes corresponding to the upper annular holes are formed in the lower flange; bolts with nuts are arranged in the upper annular hole and the lower annular hole. The bridge erecting machine is mainly used for erecting skew bridges, curve bridges, skew-curve connected bridges and bridges with frequent angle alternation; by means of the rotating device, the function that the angles of all supporting legs of a bridge erecting machine and a trolley of a beam hanging vehicle can be adjusted at will can be achieved; manpower is saved, and working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of bridge construction, and particularly relates to a column type stepless rotation device. Background Technique

[0002] With the continuous increase in the types of bridge erection bridge types, such as skew bridges, curved bridges, skew-curved connected bridges, and bridge types with frequent angle alternation, the complexity and difficulty of the girder erection operation have been continuously improved. The bridge has a large tonnage, and it is difficult for ordinary equipment to adjust the angle. It will be very troublesome when erecting a straight bridge into a skew bridge, and the whole machine needs to be disassembled and reassembled, and the workload is very large. Therefore, a rotation device is currently needed to meet the erection requirements of the above bridge type working conditions. Summary of the Invention

[0003] The purpose of the utility model is to solve the defects existing in the prior art, and provide a column type stepless rotation device to solve the problems of installation and removal of the straight bridge changing to a skew bridge during the girder erection construction.

[0004] The technical solution adopted by the utility model is: a column type stepless rotation device, which includes an upper rotating sleeve, a lower rotating sleeve, an upper flange, a lower flange, and a column rotating pin shaft; the upper rotating sleeve is sleeved inside the lower rotating sleeve, and the column rotating pin shaft passes through the centers of the bottoms of the upper rotating sleeve and the lower rotating sleeve, so that the upper rotating sleeve and the lower rotating sleeve are rotationally connected; the upper flange is fixedly connected to the upper part of the upper rotating sleeve, the lower flange is fixedly connected to the upper part of the lower rotating sleeve, and the upper flange is located above the lower flange; the upper flange is evenly provided with upper annular holes, and the lower flange is provided with lower annular holes corresponding to the upper annular holes; bolts with nuts are arranged in the upper annular holes and the lower annular holes.

[0005] Further, a sliding membrane plate is arranged between the upper flange and the lower flange.

[0006] Further, a round nut is arranged on the column rotating pin shaft, and a backing plate is sleeved at the end of the column rotating pin shaft near the upper rotating sleeve.

[0007] Further, an oil injection port is arranged on the side wall of the lower rotating sleeve.

[0008] Further, a screw hole is arranged at the bottom of the lower rotating sleeve, and a bolt is arranged in the screw hole.

[0009] The beneficial effects obtained by the utility model are: the utility model is mainly used to solve the problems of erecting skew bridges, curved bridges, skew-curved connected bridges and bridges with frequent angle alternation by the bridge erection machine; solve the problems of installation and removal of the straight bridge changing to a skew bridge during the girder erection construction. The rotation device can realize the function of arbitrarily adjusting the angles of each leg of the bridge erection machine and the trolley of the beam hoisting vehicle; save manpower and improve work efficiency. Brief Description of the Drawings

[0010] Figure 1 It is a schematic cross-sectional structure diagram of the utility model;

[0011] Figure 2 This is the top view of the utility model;

[0012] Figure 3 This is the structural schematic diagram during the specific implementation of the utility model;

[0013] Among them, 1 represents the upper rotating sleeve, 2 represents the lower rotating sleeve, 3 represents the upper flange, 4 represents the lower flange, 5 represents the column rotating pin shaft, 6 represents the upper annular hole, 7 represents the lower annular hole, 8 represents the sliding film plate, 9 represents the backing plate, and 10 represents the oil filling port. Specific implementation manner

[0014] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0015] A column type stepless rotating device includes an upper rotating sleeve 1, a lower rotating sleeve 2, an upper flange 3, a lower flange 4 and a column rotating pin shaft 5; the upper rotating sleeve 1 is sleeved inside the lower rotating sleeve 2, and the column rotating pin shaft 5 passes through the centers of the bottoms of the upper rotating sleeve 1 and the lower rotating sleeve 2, so that the upper rotating sleeve 1 and the lower rotating sleeve 2 form a rotational connection; the upper flange 3 is fixedly connected to the upper part of the upper rotating sleeve 1, the lower flange 4 is fixedly connected to the upper part of the lower rotating sleeve 2, and the upper flange 3 is located above the lower flange 4; the upper flange 3 is evenly provided with upper annular holes 6, and the lower flange 4 is provided with lower annular holes 7 corresponding to the upper annular holes 6; bolts with nuts are arranged in the upper annular holes 6 and the lower annular holes 7.

[0016] A sliding film plate 8 is arranged between the upper flange 3 and the lower flange 4. A round nut is arranged on the column rotating pin shaft 5, and a backing plate 9 is sleeved near the end of the column rotating pin shaft 5 close to the upper rotating sleeve 1. An oil filling port 10 is arranged on the side wall of the lower rotating sleeve 2. A screw hole is arranged at the bottom of the lower rotating sleeve 2, and a bolt is arranged in the screw hole.

[0017] During specific implementation, when the column type stepless rotating device of the present utility model is used, a screw hole is arranged at the bottom of the lower rotating sleeve 2, and a bolt is arranged in the screw hole. The whole device is fixed by means of the bolt. The bolts in the upper annular holes 6 and the lower annular holes 7 are loosened. After the bolts are loosened, the upper rotating sleeve 1 is rotated and adjusted to a good angle, and then the bolts are fixed again, realizing the rotation of the upper rotating sleeve 1 in the lower rotating sleeve 2, and further driving the angle adjustment of the bridge on the upper rotating sleeve 1.

[0018] The present utility model is convenient, practical, simple and reliable, and other hoisting machinery does not need to be used, which greatly increases the safety of construction and makes the equipment safer during the construction of each working condition.

[0019] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and inventive concept of the present utility model, making equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims

1. A column type stepless rotating device, characterized in that: It includes an upper rotating sleeve, a lower rotating sleeve, an upper flange, a lower flange and a column rotating pin; the upper rotating sleeve is arranged inside the lower rotating sleeve, and the column rotating pin is passed through the bottom center of the upper rotating sleeve and the lower rotating sleeve, so that the upper rotating sleeve and the lower rotating sleeve form a rotating connection; the upper flange is fixedly connected to the upper part of the upper rotating sleeve, the lower flange is fixedly connected to the upper part of the lower rotating sleeve, and the upper flange is located above the lower flange; the upper flange is evenly distributed with upper annular holes, and the lower flange is provided with lower annular holes corresponding to the upper annular holes; bolts with nuts are provided in the upper annular holes and the lower annular holes.

2. According to claim 1, a column-type stepless rotating device is characterized in that: A sliding membrane plate is arranged between the upper flange and the lower flange.

3. According to claim 1, a column-type stepless rotating device is characterized in that: A round nut is arranged on the column rotation pin shaft, and a pad is arranged on the end of the column rotation pin shaft near the upper rotation sleeve.

4. The column-type stepless rotating device according to claim 1, characterized in that: The side wall of the lower rotating sleeve is provided with an oil filling port.

5. The column-type stepless rotating device according to claim 1, characterized in that: The bottom of the lower rotating sleeve is provided with a screw hole, and a bolt is arranged in the screw hole.

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