A hoisting machinery manhole cover plate rapid installation tool

Abstract

The utility model relates to the technical field of crane manhole cover plate quick installation, specifically relates to a hoisting machinery manhole cover plate quick installation frock, including lower frame body and bolt hole, the lower frame body and the cover plate are hinged through the hinge lock component, the hinge lock component contains upper mounting block, the top of upper mounting block is fixed with the cover plate, upper mounting block is connected lower mounting block through common bolt rotation, the end of lower mounting block is fixed in the side of lower frame body, the top of lower frame body is provided with bolt hole, therefore, the hinge lock closure between lower frame body and cover plate can be formed, the utility model discloses the hinge lock closure between lower frame body and cover plate can be formed, through the manual rotation handle on the top of cover plate, can make handle rotate to the frame in the limiting frame, when the closure between lower frame body and bolt hole, thereby plays the limiting effect between both.

Description

Technical Field

[0001] This utility model relates to the field of rapid installation technology of manhole cover plates for cranes, and specifically to a tooling for rapid installation of manhole cover plates for crane machinery. Background Technology

[0002] A crane is a multi-action lifting machine that vertically lifts and horizontally moves heavy objects within a certain range. Also known as an overhead crane, gantry crane, or tire crane, its main characteristics are: the driver's cab and the lifting control cab are combined into one unit; it evolved from a crawler crane, replacing the tracks and traveling support of the traveling mechanism with a tire-equipped chassis, overcoming the disadvantage of crawler crane tracks damaging the road surface. It belongs to material handling machinery. In the structural design of lifting machinery, manhole covers are important components for ensuring the safety of internal maintenance passages and preventing the intrusion of debris.

[0003] Common methods for installing manhole covers on lifting machinery often rely on the fastening of multiple bolts. After the cover is installed, it needs to be tested for opening and closing. However, it is dangerous to manually close the installed manhole cover when the lifting machinery is operating at height or in a narrow space.

[0004] Existing crane manhole covers cannot close automatically and require manual closing. However, if crane manhole covers could close automatically without manual intervention, there would be no need to consider the possibility of loosening, displacement, or even difficulty in closing after installation. Therefore, to address the cumbersome installation and closing operation of existing crane manhole covers, a rapid installation fixture for crane manhole covers is proposed. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a quick installation tooling for crane manhole covers, which can effectively solve the problems of crane manhole covers in the existing technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: The utility model provides a quick installation tool for a manhole cover of hoisting machinery, comprising a lower frame body 1 and a bolt hole 2. The lower frame body 1 and a cover plate 3 are hinged via a hinge lock assembly 7, the hinge lock assembly 7 comprises an upper mounting block 71, the top of the upper mounting block 71 is fixedly provided with the cover plate 3, the upper mounting block 71 is rotatably connected to a lower mounting block 73 via a common bolt 72, and the end of the lower mounting block 73 is fixed to the side face of the lower frame body 1. The top of the lower frame body 1 is provided with the bolt hole 2. Since the upper mounting block 71 and the lower mounting block 73 rotate via the common bolt 72, hinged closing can be formed between the lower frame body 1 and the cover plate 3. The top of the lower frame body 1 is fixedly connected with a limit frame 4, the limit frame 4 is arranged in cooperation with a handle 5, a rotating shaft is arranged at the middle part of the handle 5, and the outside of the rotating shaft is rotatably arranged inside the cover plate 3; by manually rotating the handle 5 on the top of the cover plate 3, the handle 5 can be rotated into the frame of the limit frame 4, after the lower frame body 1 is closed with the bolt hole 2, a limiting effect is exerted between the two.

[0007] According to some embodiments of the present utility model, the cross-section of the limit frame is in a "匚"-shaped structure, and the upper part of the limit frame is arranged obliquely, so that the outside of the handle can rotate into the frame of the limit frame.

[0008] According to some embodiments of the present utility model, two sets of the hinge lock assemblies are provided, the two sets of hinge lock assemblies are axisymmetric with respect to the center of the lower frame body, and at the same time, it is beneficial to achieve a stabilizing effect for quick closing between the lower frame body and the bolt hole.

[0009] According to some embodiments of the present utility model, the cross-section of the handle is in a "Z"-shaped structure, the cross-section of the rotating shaft inside the handle is in a "T"-shaped structure, the outside of the rotating shaft is provided with threads, and the outside of the rotating shaft is threadedly connected with a nut.

[0010] According to some embodiments of the present utility model, an auxiliary assembly is arranged outside the lower frame body and the cover plate.

[0011] According to some embodiments of the present utility model, two sets of the auxiliary assemblies are provided, and the two sets of auxiliary assemblies are axisymmetric with respect to the center of the lower frame body.

[0012] According to some embodiments of the present utility model, the auxiliary assembly comprises an upper fixing frame, the bottom surface of the upper fixing frame is fixed to the top surface of the cover plate, the upper fixing frame is rotatably connected to a lower fixing frame via a shaft rod, the end of the lower fixing frame is fixed to the side face of the lower frame body, an upper fixing rod is fixed inside the upper fixing frame, a lower fixing rod is fixed inside the lower fixing frame, and a tension spring is hooked between the lower fixing rod and the upper fixing rod.

[0013] According to some embodiments of the present utility model, center points of the shaft rod, the lower fixing rod and the upper fixing rod form an isosceles triangle. Beneficial Effects

[0014] The technical solution provided by this utility model has the following advantages compared with the known prior art: 1. The lower frame and the cover plate can be hinged together. By manually rotating the handle on the top of the cover plate, the handle can be rotated into the frame of the limiting frame. After the lower frame and the bolt hole are closed, the two are limited.

[0015] 2. By fixing the top surface of the cover plate to the bottom surface of the upper fixing frame, fixing the side of the lower frame to the end of the lower fixing frame, and then rotating the upper fixing frame and the lower fixing frame through the shaft, the stability between the lower frame and the cover plate is increased. The tension spring is attached to the lower fixing rod and the upper fixing rod. When the handle is rotated out of the limit frame, the tension spring pulls the upper fixing frame, which allows the cover plate to open quickly above the lower frame. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention. Figure 1 ; Figure 2 This is a top-view three-dimensional structural diagram of the present invention; Figure 3 This is a schematic diagram of the overall three-dimensional structure of the present invention. Figure 2 ; Figure 4 for Figure 3 Enlarged structural diagram at point A in the middle; Figure 5 This is a top view of the cover plate structure of this utility model; Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure of AA.

[0018] Reference numerals: 1. Lower frame; 2. Bolt hole; 3. Cover plate; 4. Limiting frame; 5. Handle; 6. Auxiliary component; 61. Upper fixing bracket; 62. Shaft; 63. Lower fixing bracket; 64. Lower fixing rod; 65. Upper fixing rod; 66. Tension spring; 7. Hinge assembly; 71. Upper mounting block; 72. Common bolt; 73. Lower mounting block. Detailed Implementation

[0019] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, not all of them. Based on the embodiments in the present utility model, all other embodiments obtained by a person skilled in the art without creative effort fall within the scope of protection of the present utility model.

[0020] The present utility model will be further described below with reference to the embodiments.

[0021] Referring to the accompany Figure 1-6 ing drawings, the utility model provides a quick installation tool for a manhole cover of hoisting machinery, comprising a lower frame body 1 and a bolt hole 2, wherein the lower frame body 1 and a cover plate 3 are hinged through a hinge lock assembly 7; the hinge lock assembly 7 comprises an upper mounting block 71, the cover plate 3 is fixed at the top of the upper mounting block 71, the upper mounting block 71 is rotatably connected with a lower mounting block 73 through a common bolt 72, the end of the lower mounting block 73 is fixed on the side surface of the lower frame body 1, the bolt hole 2 is arranged on the top of the lower frame body 1, so that hinged closing can be formed between the lower frame body 1 and the cover plate 3, and hinged closing can be formed between the lower frame body 1 and the cover plate 3; a limit frame 4 is fixedly connected to the top of the lower frame body 1, the limit frame 4 is matched with a handle 5, a rotating shaft is arranged in the middle of the handle 5, and the outside of the rotating shaft is rotatably arranged inside the cover plate 3; by manually rotating the handle 5 at the top of the cover plate 3, the handle 5 can be rotated into the frame of the limit frame 4, and after the lower frame body 1 and the bolt hole 2 are closed, a limit effect is exerted between the two.

[0022] In the above technical solution, by manually rotating the handle 5 at the top of the cover plate 3, the handle 5 can be rotated into the frame of the limit frame 4, and after the lower frame body 1 and the bolt hole 2 are closed, a limit effect is exerted between the two.

[0023] According to some embodiments of the present utility model, the cross section of the limit frame 4 is in a "匚"-shaped structure, and the upper part of the limit frame 4 is arranged in an inclined manner, so that the outside of the handle 5 can be rotated into the frame of the limit frame 4.

[0024] According to some embodiments of the present utility model, two sets of hinge lock assemblies 7 are provided, and the two sets of hinge lock assemblies 7 are symmetrical about the central axis of the lower frame body 1, which is conducive to achieving a stabilizing effect for the quick closing between the lower frame body 1 and the bolt hole 2.

[0025] According to some embodiments of the present invention, the auxiliary component 6 includes an upper fixing frame 61, the bottom surface of which is fixed to the top surface of the cover plate 3. The upper fixing frame 61 and the lower fixing frame 63 are rotatably connected by a shaft 62. The end of the lower fixing frame 63 is fixed to the side of the lower frame 1. An upper fixing rod 65 is fixed inside the upper fixing frame 61, and a lower fixing rod 64 is fixed inside the lower fixing frame 63. A tension spring 66 is connected between the lower fixing rod 64 and the upper fixing rod 65.

[0026] In the above technical solution, the top surface of the cover plate 3 is fixed to the bottom surface of the upper fixing frame 61, the side of the lower frame 1 is fixedly connected to the end of the lower fixing frame 63, and then the upper fixing frame 61 and the lower fixing frame 63 are rotatably connected by the shaft 62, thereby increasing the stability between the lower frame 1 and the cover plate 3. The tension spring 66 is hooked to the lower fixing rod 64 and the upper fixing rod 65. When the handle 5 rotates out of the frame of the limiting frame 4, the tension spring 66 pulls the upper fixing frame 61, which allows the cover plate 3 to open quickly above the lower frame 1.

[0027] Working principle: By manually rotating the handle 5 on the top of the cover plate 3, the handle 5 can be rotated into the frame of the limiting frame 4. After the lower frame 1 and the bolt hole 2 are closed, they will limit the movement between them. The top surface of the cover plate 3 is fixed to the bottom surface of the upper fixing frame 61. The side of the lower frame 1 is fixedly connected to the end of the lower fixing frame 63. Then, the upper fixing frame 61 and the lower fixing frame 63 are rotatably connected by the shaft 62, thereby increasing the stability between the lower frame 1 and the cover plate 3. The tension spring 66 is connected to the lower fixing rod 64 and the upper fixing rod 65. When the handle 5 rotates out of the frame of the limiting frame 4, the tension spring 66 pulls the upper fixing frame 61, which allows the cover plate 3 to open quickly above the lower frame 1.

[0028] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A quick-installation fixture for manhole covers on lifting machinery, characterized in that: Comprising a lower frame body (1) and bolt holes (2), the lower frame body (1) is hinged with a cover plate (3) via a hinge locking assembly (7). The hinge locking assembly (7) comprises an upper mounting block (71), the cover plate (3) is fixed to the top of the upper mounting block (71), the upper mounting block (71) is rotatably connected with a lower mounting block (73) via a common bolt (72), the end of the lower mounting block (73) is fixed to the side surface of the lower frame body (1), the bolt holes (2) are provided on the top of the lower frame body (1). Since the upper mounting block (71) rotates relative to the lower mounting block (73) via the common bolt (72), hinged closing can be formed between the lower frame body (1) and the cover plate (3). A limiting frame (4) is fixedly connected to the top of the lower frame body (1), the limiting frame (4) is cooperatingly arranged with a handle (5), a rotating shaft is provided in the middle of the handle (5), and the outside of the rotating shaft is rotatably arranged inside the cover plate (3); by manually rotating the handle (5) at the top of the cover plate (3), the handle (5) can be rotated into the frame of the limiting frame (4), and after the lower frame body (1) and the cover plate (3) are closed, a limiting effect is exerted therebetween.

2. The quick-installation fixture for a manhole cover plate for lifting machinery according to claim 1, characterized in that: The cross-section of the limiting frame (4) is in a "匚"-shaped structure, and the upper part of the limiting frame (4) is arranged in an inclined manner, which facilitates the rotation of the outside of the handle (5) into the frame of the limiting frame (4).

3. The quick-installation fixture for a manhole cover plate for lifting machinery according to claim 1, characterized in that: The hinge locking assemblies (7) are provided in two groups, and the two groups of hinge locking assemblies (7) are symmetrical about the central axis of the lower frame body (1), which is conducive to achieving a stabilizing effect for the rapid closing between the lower frame body (1) and the cover plate (3).

4. The quick-installation fixture for manhole covers on lifting machinery according to claim 1, characterized in that: The cross-section of the handle (5) is in a "Z"-shaped structure, the cross-section of the internal rotating shaft of the handle (5) is in a "T"-shaped structure, threads are provided on the outside of the rotating shaft, and a nut is screwed onto the outside of the rotating shaft.

5. The quick-installation fixture for a manhole cover plate for lifting machinery according to claim 1, characterized in that: Auxiliary assemblies (6) are provided outside the lower frame body (1) and the cover plate (3).

6. The quick-installation fixture for a manhole cover plate for lifting machinery according to claim 5, characterized in that: The auxiliary assemblies (6) are provided in two groups, and the two groups of auxiliary assemblies (6) are symmetrical about the central axis of the lower frame body (1).

7. The quick-installation fixture for a manhole cover plate for lifting machinery according to claim 5, characterized in that: The auxiliary assembly (6) comprises an upper fixing frame (61), the bottom surface of the upper fixing frame (61) is fixed to the top surface of the cover plate (3), the upper fixing frame (61) is rotatably connected with a lower fixing frame (63) via a shaft rod (62), the end of the lower fixing frame (63) is fixed to the side surface of the lower frame body (1), an upper fixing rod (65) is fixed inside the upper fixing frame (61), a lower fixing rod (64) is fixed inside the lower fixing frame (63), and a tension spring (66) is hooked between the lower fixing rod (64) and the upper fixing rod (65).

8. The quick-installation fixture for a manhole cover plate for lifting machinery according to claim 7, characterized in that: The center points among the shaft rod (62), the lower fixing rod (64) and the upper fixing rod (65) form an isosceles triangle.

Images