Steel member hoisting device for bridge

Abstract

The utility model provides a steel member hoisting device for a bridge. The steel member hoisting device comprises a support frame; the crane is fixedly mounted on one side of the top of the supporting frame, a winding wheel is arranged in the middle of the crane, and a steel rope is wound on the outer surface of the winding wheel; the limiting device is fixedly installed on one side of the outer surface of the supporting frame, and a guiding device is slidably installed in the limiting device and fixedly connected with the steel rope. According to the steel member hoisting device for the bridge, the guide plate and the steel rope are fixedly connected, the guide plate is limited in the limiting groove through the sliding block, when the steel rope moves up and down, the guide device is driven to slide in the limiting device, so that the steel rope cannot shake, and the device is simple in structure, high in practicability and convenient to use. The guiding device and the limiting device limit the steel rope from being affected by external force, and the stability of the steel rope during steel member hoisting is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a steel component hoisting device for bridges. Background Art

[0002] With the continuous development of the country and the continuous progress of science and technology, the pace of bridge construction in China has been accelerating. In recent years, domestic bridge construction has been constantly breaking world records in terms of type, appearance, quantity, weight, height, span, etc. At the same time, with the continuous development and improvement of road network construction, more and more bridge construction projects are crossing canyons and rivers. While driving regional economy and interconnection, large-scale and spanning bridge construction projects have appeared in large numbers.

[0003] During the construction of unconventional bridges across canyons, rivers, etc., conventional erection equipment cannot meet construction needs due to the influence of environmental factors such as terrain. For example, the bridge component lifting and hoisting device with publication number CN212475848U fixes the base of the main support to the steel beam; fixes one end of the diagonal brace to the steel beam, and fixes the other end of the diagonal brace to the main support; fixes the connecting system to the main support; and fixes the overhead crane beam to the main support. However, the lifting device is relatively high, and when lifting steel components, the wind can easily blow the ropes crooked, causing the steel components to tilt. It is not easy for operators to accurately lift the steel components to the required position, and the practicability is poor.

[0004] Therefore, it is necessary to provide a bridge steel structure lifting device to solve the above technical problems. Utility Model Content

[0005] The utility model provides a steel component hoisting device for bridges, which solves the problem that when hoisting steel components, wind force easily blows ropes crooked, causing the steel components to tilt, and it is not easy for operators to hoist the steel components accurately to the required position, resulting in poor practicality.

[0006] In order to solve the above technical problems, the utility model provides a bridge steel member hoisting device, comprising: a support frame;

[0007] A crane, the crane is fixedly mounted on one side of the top of the support frame, a winding wheel is arranged in the middle of the crane, and a steel rope is wound around the outer surface of the winding wheel;

[0008] A limiting device, the limiting device is fixedly installed on one side of the outer surface of the supporting frame, a guiding device is slidably installed inside the limiting device, and the guiding device is fixedly connected to the steel rope;

[0009] A limiting cylinder, the limiting cylinder is fixedly mounted on the other side of the outer surface of the supporting frame;

[0010] A hook is fixedly mounted on the bottom end of the steel rope.

[0011] Preferably, the limiting device includes a limiting box, a limiting groove and a limiting rod, the limiting box is fixedly installed on one side of the support frame surface, the limiting groove is opened on one side of the outer surface of the limiting box, and the limiting rod is fixedly installed inside the limiting groove.

[0012] Preferably, the guiding device comprises a slider, a sliding hole and a guiding plate, the slider is slidably installed inside the limiting groove, the sliding hole is opened on one side of the slider surface, and the guiding plate is fixedly installed on the other side of the slider surface.

[0013] Preferably, a base is fixedly mounted on the bottom of the support frame.

[0014] Preferably, an adjusting device is fixedly mounted on the bottom of the index plate, and clamping devices are threadedly engaged on both sides of the interior of the adjusting device.

[0015] Preferably, the adjustment device includes a fixed plate, a slide groove, a threaded rod and an adjustment block, the fixed plate is fixedly installed on the bottom of the guide plate, the two slide grooves are respectively opened on both sides of the bottom of the fixed plate, one side of the outer surface of the fixed plate is opened with an opening hole, the middle of the opening hole is connected to a limited position cavity, a threaded rod is rotatably installed inside the opening hole, and one side of the outer surface of the threaded rod is fixedly connected to an anti-sliding block.

[0016] Preferably, the clamping device includes a moving block, a threaded groove, a connecting plate and a clamping plate, the moving block is slidably installed inside the sliding groove, the threaded groove is opened in the middle of one side of the moving block, the connecting plate is fixedly installed on the other side of the outer surface of the moving block, and the clamping plate is fixedly installed on one side of the connecting plate.

[0017] Compared with the related art, the bridge steel member hoisting device provided by the utility model has the following beneficial effects:

[0018] The utility model provides a lifting device for steel components for bridges, which is fixedly connected by an index plate and a steel rope, and the index plate is restricted in a limiting groove by a slider. When the steel rope moves up and down, the index device is driven to slide in the limiting device, so that the steel rope cannot shake. The device has a simple structure and strong practicality. The index device and the limiting device restrict the steel rope from being affected by external forces, thereby maintaining the stability of the steel rope when lifting the steel component. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural schematic diagram of a first embodiment of a bridge steel member hoisting device provided by the utility model;

[0020] Figure 2 for Figure 1 An enlarged schematic diagram of point A is shown;

[0021] Figure 3 A schematic structural diagram of a second embodiment of a bridge steel member hoisting device provided by the utility model;

[0022] Figure 4 for Figure 3 An enlarged schematic diagram of point B is shown.

[0023] Numbers in the figure: 1. support frame, 2. crane, 3. winding wheel, 4. limiting cylinder, 5. steel rope, 6. limiting device, 61. limiting box, 62. limiting groove, 63. limiting rod, 7. guiding device, 71. slider, 72. sliding hole, 73. guiding plate, 8. hook, 9. base, 10. adjusting device, 101. fixing plate, 102. sliding groove, 103. threaded rod, 104. adjusting block, 11. clamping device, 111. moving block, 112. threaded groove, 113. connecting plate, 114. splint, 12. opening hole, 13. limiting cavity, 14. anti-sliding block. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0025] First embodiment

[0026] Please refer to Figure 1 and Figure 2 ,in, Figure 1 A structural schematic diagram of a first embodiment of a bridge steel member hoisting device provided by the utility model; Figure 2 for Figure 1 The enlarged schematic diagram of point A is shown. A steel member hoisting device for a bridge comprises: a support frame 1;

[0027] A crane 2, the crane 2 is fixedly mounted on one side of the top of the support frame 1, a winding wheel 3 is arranged in the middle of the crane 2, and a steel rope 5 is wound on the outer surface of the winding wheel 3;

[0028] A limiting device 6, wherein the limiting device 6 is fixedly mounted on one side of the outer surface of the support frame 1, and a guiding device 7 is slidably mounted inside the limiting device 6, and the guiding device 7 is fixedly connected to the steel rope 5;

[0029] A limiting cylinder 4, wherein the limiting cylinder 4 is fixedly mounted on the other side of the outer surface of the supporting frame 1;

[0030] A hook 8 is fixedly mounted on the bottom end of the steel rope 5 .

[0031] The limiting device 6 includes a limiting box 61, a limiting groove 62 and a limiting rod 63. The limiting box 61 is fixedly installed on one side of the surface of the support frame 1, the limiting groove 62 is opened on one side of the outer surface of the limiting box 61, and the limiting rod 63 is fixedly installed inside the limiting groove 62.

[0032] The guiding device 7 includes a slider 71, a sliding hole 72 and a guiding plate 73. The slider 71 is slidably installed inside the limiting groove 62. The sliding hole 72 is opened on one side of the surface of the slider 71, and the guiding plate 73 is fixedly installed on the other side of the surface of the slider 71.

[0033] A base 9 is fixedly mounted on the bottom of the support frame 1 .

[0034] The working principle of a bridge steel member hoisting device provided by the utility model is as follows:

[0035] During operation, the winding wheel 3 is first rotated to pull the steel rope 5 to move. When the steel rope 5 moves, it drives the guide plate 73 to move. The guide plate 73 drives the slider 71 to slide. The slider 71 drives the sliding hole 72 to slide on the surface of the limiting rod 63, so that the steel rope 5 drives the hook 8 to maintain stable movement.

[0036] Compared with the related art, the bridge steel member hoisting device provided by the utility model has the following beneficial effects:

[0037] The utility model provides a lifting device for steel components for bridges, which is fixedly connected with a guide plate 73 and a steel rope 5, and the guide plate 73 is limited in a limiting groove 62 by a slider 71. When the steel rope 5 moves up and down, the guide device 7 is driven to slide in the limiting device 6, so that the steel rope 5 cannot shake. The device has a simple structure and strong practicality. The guide device 7 and the limiting device 6 limit the steel rope 5 from being affected by external forces, thereby maintaining the stability of the steel rope 5 when lifting steel components.

[0038] Second embodiment

[0039] Please refer to Figure 3 and Figure 4 Based on the bridge steel member lifting device provided in the first embodiment of the present application, the second embodiment of the present application proposes another bridge steel member lifting device. The second embodiment is only a preferred method of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0040] Specifically, the difference of the lifting device for steel structure for bridge provided in the second embodiment of the present application is that, in the lifting device for steel structure for bridge, an adjusting device 10 is fixedly installed at the bottom of the guide plate 73, and clamping devices 11 are threadedly engaged on both sides of the adjusting device 10.

[0041] The adjusting device 10 includes a fixed plate 101, a slide groove 102, a threaded rod 103 and an adjusting block 104. The fixed plate 101 is fixedly installed at the bottom of the guide plate 73. The two slide grooves 102 are respectively opened on both sides of the bottom of the fixed plate 101. An opening hole 12 is opened on one side of the outer surface of the fixed plate 101. The middle of the opening hole 12 is connected to a limited position cavity 13. A threaded rod 103 is rotatably installed inside the opening hole 12. An anti-sliding block 14 is fixedly connected to one side of the outer surface of the threaded rod 103.

[0042] The clamping device 11 includes a moving block 111, a threaded groove 112, a connecting plate 113 and a clamping plate 114. The moving block 111 is slidably installed inside the sliding groove 102. The threaded groove 112 is opened in the middle of one side of the moving block 111. The connecting plate 113 is fixedly installed on the other side of the outer surface of the moving block 111. The clamping plate 114 is fixedly installed on one side of the connecting plate 113.

[0043] The anti-sliding block 14 is made of rubber material and is compatible with the limiting cavity 13 . The anti-slip effect between the anti-sliding block 14 and the limiting cavity 13 prevents the threaded rod 103 from loosening.

[0044] The working principle of a bridge steel member hoisting device provided by the utility model is as follows:

[0045] During operation, first, the threaded rod 103 is driven to rotate by rotating the adjustment blocks 104 on both sides, and the threaded rod 103 rotates the threaded engagement moving block 111 to slide inside the slide groove 102, and the two clamping devices 11 are adjusted to be close to or away from each other on the surface of the hook 8, so as to limit the steel structure hoisted by the hook 8.

[0046] Compared with the related art, the bridge steel member hoisting device provided by the utility model has the following beneficial effects:

[0047] The utility model provides a steel member hoisting device for bridges, which drives the threaded rod 103 to rotate by rotating the adjusting blocks 104 on both sides, and the threaded rod 103 rotates the threaded engagement moving block 111 to slide inside the slide groove 102, and adjusts the two clamping devices 11 on the surface of the hook 8 to be close to or away from each other, so as to limit the steel member hoisted by the hook 8, clamp the steel member, and maintain the stability of the steel member during hoisting.

[0048] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A steel member hoisting device for a bridge, characterized in that: include: Support frame; A crane, the crane is fixedly mounted on one side of the top of the support frame, a winding wheel is arranged in the middle of the crane, and a steel rope is wound around the outer surface of the winding wheel; A limiting device, the limiting device is fixedly installed on one side of the outer surface of the supporting frame, a guiding device is slidably installed inside the limiting device, and the guiding device is fixedly connected to the steel rope; A limiting cylinder, the limiting cylinder is fixedly mounted on the other side of the outer surface of the supporting frame; A hook is fixedly mounted on the bottom end of the steel rope.

2. A bridge steel member hoisting device according to claim 1, characterized in that: The limiting device includes a limiting box, a limiting groove and a limiting rod. The limiting box is fixedly installed on one side of the support frame surface, the limiting groove is opened on one side of the outer surface of the limiting box, and the limiting rod is fixedly installed inside the limiting groove.

3. A bridge steel member hoisting device according to claim 2, characterized in that: The guiding device comprises a slider, a sliding hole and a guiding plate. The slider is slidably installed inside the limiting groove. The sliding hole is opened on one side of the slider surface, and the guiding plate is fixedly installed on the other side of the slider surface.

4. A bridge steel member hoisting device according to claim 1, characterized in that: A base is fixedly mounted on the bottom of the support frame.

5. The bridge steel member hoisting device according to claim 3, characterized in that: An adjusting device is fixedly mounted on the bottom of the index plate, and clamping devices are threadedly engaged on both sides of the adjusting device.

6. A bridge steel member hoisting device according to claim 5, characterized in that: The adjustment device includes a fixed plate, a sliding groove, a threaded rod and an adjustment block. The fixed plate is fixedly installed on the bottom of the guide plate. The two sliding grooves are respectively opened on both sides of the bottom of the fixed plate. An opening hole is opened on one side of the outer surface of the fixed plate. The middle of the opening hole is connected to a limited position cavity. A threaded rod is rotatably installed inside the opening hole. An anti-sliding block is fixedly connected to one side of the outer surface of the threaded rod.

7. A bridge steel member hoisting device according to claim 6, characterized in that: The clamping device includes a moving block, a threaded groove, a connecting plate and a clamping plate. The moving block is slidably installed inside the sliding groove. The threaded groove is opened in the middle of one side of the moving block. The connecting plate is fixedly installed on the other side of the outer surface of the moving block. The clamping plate is fixedly installed on one side of the connecting plate.

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