Lifting hook for portal crane
By using fixing mechanisms such as plug-in columns, knobs, and stable structures such as rotating columns and sliding pull plates in the gantry crane hook, the problem of inconvenience and shaking of the hook is solved, and rapid disassembly and stable lifting is achieved. , improves the use efficiency and lifting effect of the crane.
Patent Information
- Application Number
- CN202421250454.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing gantry crane hooks are not convenient to disassemble and assemble when used, and lack fixing restrictions, which leads to the hook being easily shaken and affects the effect of cargo lifting.
Using a fixing mechanism including plug-in columns, knobs, threaded rods, threaded sliders, push plates, sliding pressure plates and fixed pressure blocks, the hooks can be quickly disassembled, as well as fixed by mutual cooperation; at the same time, the hook body is rotated by rotating columns and hooks. , the coordination of fixed chuck slots, sliding pull plates, tightening springs and sliding inserts ensures the stability of the hook during lifting.
The rapid disassembly and stable fixation of the hook is achieved, the efficiency of the crane and the stability of the lifting are improved, the time for replacing the hook is reduced, the hook is avoided, and the effect of lifting the goods is improved.
Smart Images
Figure CN222331346U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crane hooks, in particular to a hook for a gantry crane. Background Art
[0002] Cranes refer to multi-action lifting machinery that can lift and carry heavy objects vertically and horizontally within a certain range. They generally include tire cranes and gantry cranes. Gantry cranes (also known as bridge cranes) are bridge cranes whose bridges are supported on ground tracks by legs on both sides. Because its two ends are located on tall concrete columns or metal brackets, it looks like a bridge. The bridge of the bridge crane runs longitudinally along the tracks laid on the elevated platforms on both sides, making full use of the space under the bridge to lift materials without being hindered by ground equipment. Structurally, it consists of a gantry, a trolley running mechanism, a lifting trolley and electrical parts.
[0003] The existing technology has the following problems:
[0004] When the existing gantry crane hook is in use, different hooks are needed to lift different objects, but the existing hooks are not convenient to disassemble and assemble, so that the replacement of the hook takes a lot of time, which is not conducive to the use of the gantry crane. At the same time, when the existing crane hook is in use, there is a lack of restriction and fixation for the hook, which makes the hook easy to shake, affecting the lifting effect of the goods. Utility Model Content
[0005] The utility model provides a hook for a gantry crane to solve the problems raised in the above background technology.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0007] A hook for a gantry crane comprises a connecting seat, a fixing bracket is fixedly installed at the bottom end of the connecting seat, a fixing mechanism is fixedly connected to the top of the fixing bracket, a rotating column is rotatably connected to the inner side of the bottom end of the fixing bracket, and a lifting hook is arranged at the bottom end of the rotating column.
[0008] The fixing mechanism includes a plug-in column and a knob, the plug-in column is fixedly connected to the top of the fixing bracket and extends to the top of the connecting seat, the knob is movably connected to the inner bottom end of the fixing bracket, the top of the knob is fixedly connected to a threaded rod, the threaded rod is movably connected to the inside of the plug-in column, the side of the threaded rod is threadedly connected to a threaded slider, the side of the threaded slider is movably connected to a push plate, one end of the push plate is movably connected to a sliding pressure plate, the sliding pressure plate is slidably connected to the inside of the plug-in column, and a fixed pressure block is provided on the side of the sliding pressure plate, and the fixed pressure block extends to the top side of the connecting seat.
[0009] A further improvement of the technical solution of the utility model is that the sliding pressure plate includes a sliding frame, the sliding frame is movably connected to one end of the push plate, the sliding frame is internally slidably connected to a sliding plate, and one end of the sliding plate is fixedly connected to one end of the fixed pressure block.
[0010] By adopting the above technical solution, the sliding frame and the sliding plate cooperate with each other in the solution to control the pushing out of the fixed pressing block.
[0011] A further improvement of the technical solution of the utility model is that: an ejection plate is slidably connected to the inner top of the sliding frame, an ejection spring is fixedly connected to the inner side of the ejection plate, a push rod is movably connected to the bottom end of the ejection spring, and one end of the push rod is movably connected to the top of the sliding plate.
[0012] By adopting the above technical solution, the ejection plate, the ejection spring and the push rod cooperate with each other in the solution, so that the fixed pressure block can press the connecting seat tightly.
[0013] A further improvement of the technical solution of the utility model is that the lifting hook comprises a hook body and a fixed slot, the hook body is slidably connected to the inner bottom end of the rotating column, and the fixed slot is arranged inside the fixed bracket.
[0014] By adopting the above technical solution, the hook body and the fixing slot cooperate with each other, which facilitates the fixation of the hook body.
[0015] A further improvement of the technical solution of the utility model is that: a sliding plate is fixedly connected to the top end of the hook body, the sliding plate is slidably connected to the inside of the rotating column, and a tensioning spring is fixedly connected to the bottom end of the sliding plate.
[0016] By adopting the above technical solution, the cooperation between the sliding pull plate and the tensioning spring in the solution can control the sliding of the hook body.
[0017] A further improvement of the technical solution of the utility model is that: sliding blocks are slidably connected to both sides of the bottom end of the sliding pull plate, and the sliding blocks are slidably connected to the inside of the rotating column and extend to the inside of the fixed card slot.
[0018] By adopting the above technical solution, the sliding plug is inserted into the interior of the fixed slot, so that the rotating column can be fixed and the shaking of the hook can be avoided.
[0019] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0020] 1. The utility model provides a hook for a gantry crane. Through the mutual cooperation among a plug-in column, a knob, a threaded rod, a threaded slider, a push plate, a sliding pressure plate, and a fixed pressure block, when installing the hook, the plug-in column is inserted into the top of a connecting seat, and the knob is rotated to drive the threaded rod to rotate, and the threaded slider can be driven to slide, so that the sliding pressure plate can be pushed to slide by the push plate, thereby driving the fixed pressure block to slide, so that the fixed pressure block can be stuck on the top of the connecting seat, so that the fixed bracket can be fixed, and at the same time, the fixed bracket can be disassembled by reversing the knob, which makes it more convenient to disassemble and assemble the hook and facilitates the use of the crane.
[0021] 2. The utility model provides a hook for a gantry crane. Through the mutual cooperation among a rotating column, a hook body, a fixed card slot, a sliding pull plate, a tightening spring, and a sliding plug block, the rotation of the rotating column can drive the hook body to rotate, which is convenient for connecting with the hoisted goods. When lifting, the weight of the goods itself will pull the hook body to slide, thereby driving the sliding pull plate to slide and squeezing the tightening spring, and at the same time, the sliding plug block can be inserted into the interior of the fixed card slot, so that the rotating column can be fixed, and the rotating column and the hook body can be prevented from rotating, thereby improving the stability during lifting and making the crane more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the structure of the utility model;
[0023] Figure 2 It is a schematic cross-sectional structure diagram of the fixing mechanism of the utility model;
[0024] Figure 3 It is a schematic diagram of the cross-sectional structure of the sliding pressure plate of the utility model;
[0025] Figure 4 It is a schematic diagram of the cross-sectional structure of the lifting hook of the utility model.
[0026] In the figure: 1. connecting seat; 2. fixing bracket; 3. fixing mechanism; 31. plug-in column; 32. knob; 33. threaded rod; 34. threaded slider; 35. push plate; 36. sliding pressure plate; 361. sliding frame; 362. sliding plate; 363. ejector plate; 364. ejector spring; 365. push rod; 37. fixed pressure block; 4. rotating column; 5. lifting hook; 51. hook body; 52. fixed slot; 53. sliding pull plate; 54. tightening spring; 55. sliding plug block. DETAILED DESCRIPTION
[0027] The present invention is further described in detail below in conjunction with the embodiments:
[0028] Example 1
[0029] like Figure 1-4 As shown, the utility model provides a hook for a gantry crane, including a connecting seat 1, a fixing bracket 2 is fixedly installed at the bottom end of the connecting seat 1, a fixing mechanism 3 is fixedly connected to the top of the fixing bracket 2, a rotating column 4 is rotatably connected to the inner side of the bottom end of the fixing bracket 2, and a lifting hook 5 is arranged at the bottom end of the rotating column 4, the fixing mechanism 3 includes a plug-in column 31 and a knob 32, the plug-in column 31 is fixedly connected to the top of the fixing bracket 2 and extends to the top of the connecting seat 1, the knob 32 is movably connected to the inner bottom end of the fixing bracket 2, a threaded rod 33 is fixedly connected to the top of the knob 32, the threaded rod 33 is movably connected to the inside of the plug-in column 31, a threaded slider 34 is threadedly connected to the side of the threaded slider 34, a pushing plate 35 is movably connected to the side of the threaded slider 34, and one end of the pushing plate 35 is movably connected to a sliding pressure plate 36, the sliding pressure plate 36 is slidably connected to the inside of the plug-in column 31, and a fixed pressure block 37 is arranged on the side of the sliding pressure plate 36, and the fixed pressure block 37 extends to the top side of the connecting seat 1.
[0030] In this embodiment, when installing the hook, the plug-in column 31 is inserted into the top of the connecting seat 1, and the knob 32 is rotated to drive the threaded rod 33 to rotate, and the threaded slider 34 to slide, so that the sliding pressure plate 36 can be pushed to slide by the push plate 35, thereby driving the fixed pressure block 37 to slide, so that the fixed pressure block 37 can be stuck on the top of the connecting seat 1, so that the fixed bracket 2 can be fixed, and at the same time, the knob 32 is reversed to disassemble the fixed bracket 2, which makes it more convenient to disassemble and assemble the hook and facilitate the use of the crane.
[0031] Example 2
[0032] like Figure 1-4 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the sliding pressure plate 36 includes a sliding frame 361, the sliding frame 361 is movably connected to one end of the push plate 35, the sliding frame 361 is internally slidably connected to a sliding plate 362, one end of the sliding plate 362 is fixedly connected to one end of the fixed pressure block 37, the internal top end of the sliding frame 361 is slidably connected to an ejection plate 363, the inner side of the ejection plate 363 is fixedly connected to an ejection spring 364, the bottom end of the ejection spring 364 is movably connected to a push rod 365, and one end of the push rod 365 is movably connected to the top of the sliding plate 362.
[0033] In this embodiment, the sliding frame 361 can be pushed to slide by the pushing plate 35, so that the fixed pressure block 37 can be extended. At the same time, the ejection plate 363 can be squeezed by the plug-in column 31, and the ejection spring 364 can be squeezed, so that the sliding plate 362 can be pushed to slide by the pushing rod 365, and the fixed pressure block 37 can be driven to tighten the connecting seat 1, thereby improving the fixing effect.
[0034] Example 3
[0035] like Figure 1-4 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the lifting hook 5 includes a hook body 51 and a fixed slot 52, the hook body 51 is slidably connected to the inner bottom end of the rotating column 4, the fixed slot 52 is opened inside the fixed bracket 2, the top of the hook body 51 is fixedly connected with a sliding plate 53, the sliding plate 53 is slidably connected to the inside of the rotating column 4, the bottom end of the sliding plate 53 is fixedly connected with a tightening spring 54, the bottom sides of the sliding plate 53 are slidably connected with sliding blocks 55, the sliding blocks 55 are slidably connected to the inside of the rotating column 4 and extend to the inside of the fixed slot 52.
[0036] In this embodiment, the rotation of the rotating column 4 can drive the hook body 51 to rotate, which is convenient for connecting with the hoisted cargo. When hoisting, the weight of the cargo itself will pull the hook body 51 to slide, thereby driving the sliding plate 53 to slide and squeezing the tensioning spring 54. At the same time, the sliding block 55 can be inserted into the fixed slot 52, so that the rotating column 4 can be fixed, and the rotating column 4 and the hook body 51 can be prevented from rotating, thereby improving the stability during hoisting and making the crane more convenient to use.
[0037] The following is a detailed description of the working principle of the hook for gantry crane.
[0038] like Figure 1-4As shown, when the crane hook is in use, the plug-in column 31 is inserted into the top of the connecting seat 1, and the knob 32 can drive the threaded rod 33 to rotate, and can drive the threaded slider 34 to slide, so that the sliding pressure plate 36 can be pushed to slide through the push plate 35, so as to drive the fixed pressure block 37 to be stuck on the top of the connecting seat 1, so that the fixed bracket 2 can be fixed, which is convenient for the installation of the fixed hook. When lifting, the hook body 51 can be rotated by the rotating column 4, which is convenient for connection with the hoisted goods. After that, the weight of the goods itself will pull the hook body 51 to slide, thereby driving the sliding pull plate 53 to slide, and making the sliding plug block 55 inserted into the fixed card slot 52, so that the rotating column 4 can be fixed, and the rotating column 4 and the hook body 51 can be prevented from rotating, thereby improving the stability during lifting and making the use of the crane more convenient.
[0039] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A hook for a gantry crane, comprising a connecting seat (1), a fixing bracket (2) being fixedly mounted at the bottom end of the connecting seat (1), characterized in that: The top of the fixed bracket (2) is fixedly connected to a fixing mechanism (3), the inner side of the bottom end of the fixed bracket (2) is rotatably connected to a rotating column (4), and the bottom end of the rotating column (4) is provided with a lifting hook (5); The fixing mechanism (3) comprises a plug-in column (31) and a knob (32), wherein the plug-in column (31) is fixedly connected to the top of the fixing bracket (2) and extends to the top of the connecting seat (1), and the knob (32) is movably connected to the inner bottom end of the fixing bracket (2), and the top of the knob (32) is fixedly connected to a threaded rod (33), and the threaded rod (33) is movably connected to the inside of the plug-in column (31), and the side of the threaded rod (33) is threadedly connected to a threaded slider (34), and the side of the threaded slider (34) is movably connected to a push plate (35), and one end of the push plate (35) is movably connected to a sliding pressure plate (36), and the sliding pressure plate (36) is slidably connected to the inside of the plug-in column (31), and a fixed pressure block (37) is provided on the side of the sliding pressure plate (36), and the fixed pressure block (37) extends to the top side of the connecting seat (1).
2. A hook for a gantry crane according to claim 1, characterized in that: The sliding pressure plate (36) comprises a sliding frame (361), wherein the sliding frame (361) is movably connected to one end of the push plate (35), and a sliding plate (362) is slidably connected inside the sliding frame (361), and one end of the sliding plate (362) is fixedly connected to one end of the fixed pressure block (37).
3. A hook for a gantry crane according to claim 2, characterized in that: The top end of the inner part of the sliding frame (361) is slidably connected to an ejection plate (363), the inner side of the ejection plate (363) is fixedly connected to an ejection spring (364), the bottom end of the ejection spring (364) is movably connected to a push rod (365), and one end of the push rod (365) is movably connected to the top end of the sliding plate (362).
4. A hook for a gantry crane according to claim 1, characterized in that: The lifting hook (5) comprises a hook body (51) and a fixed slot (52), wherein the hook body (51) is slidably connected to the inner bottom end of the rotating column (4), and the fixed slot (52) is arranged inside the fixed bracket (2).
5. A hook for a gantry crane according to claim 4, characterized in that: The top end of the hook body (51) is fixedly connected to a sliding plate (53), the sliding plate (53) is slidably connected inside the rotating column (4), and the bottom end of the sliding plate (53) is fixedly connected to a tensioning spring (54).
6. A hook for a gantry crane according to claim 5, characterized in that: Both sides of the bottom end of the sliding pull plate (53) are slidably connected with sliding blocks (55), and the sliding blocks (55) are slidably connected inside the rotating column (4) and extend to the inside of the fixed card slot (52).