Fabricated anti-deformation lift car platform
Through the prefabricated grid structure and oblique beam fitting panel, the problem of local deformation of large-tonnage car bottom is solved, and the low cost and efficient deformation resistance of local maintenance are achieved.
Patent Information
- Application Number
- CN202422031400.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-21
AI Technical Summary
The existing large-tonnage car bottom has poor ability to resist local deformation, and needs to be replaced as a whole after deformation, which is costly and cumbersome to operate.
Adopting a prefabricated design, crisscrossing beams and longitudinal beams are arranged in the middle frame and side frames to form a grid structure, and oblique beams are fixed on both adjacent side walls of the grid. The inclined beams fit with the panel, improving load-bearing capacity and reducing empty space.
When local deformation is achieved, only the frame or panel needs to be replaced to reduce maintenance costs, enhance the ability of the bottom to resist local deformation, and avoid panel recesses.
Smart Images
Figure CN223239532U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevator cars, in particular to an assembled anti-deformation car bottom. Background Art
[0002] A large-tonnage elevator refers to an elevator that needs to carry a large tonnage of weight when in use. During use, a large-tonnage elevator mainly relies on its car bottom to bear the weight, and the overall load-bearing requirements of the car bottom are relatively high. In the use of large-tonnage freight elevators, forklifts are often needed to transport goods. The wheel hub of the forklift will cause large local stress on the car bottom. The existing car bottom is usually a rectangular or mesh structure enclosed by staggered crossbeams and longitudinal beams, and a panel is fixed on its upper surface. However, the existing car bottom, especially the panel, has poor ability to resist local stress, which can easily lead to local deformation of the car bottom. In particular, the panel part of the car bottom is easily deformed under the action of forklifts and other loads, leaving rutting, indentation, etc.; and the existing car bottom is usually an integrated structure. When local deformation occurs, it often needs to be replaced as a whole, which is costly and cumbersome to operate.
[0003] Based on this, it is necessary to study an assembled anti-deformation car bottom. Utility Model Content
[0004] In view of this, the purpose of the present invention is to provide an assembled anti-deformation car floor, which can effectively solve the problem that the existing large-tonnage car floor has poor resistance to local deformation and can only be replaced as a whole after deformation.
[0005] In order to achieve the above purpose, the technical solution adopted by the present utility model is:
[0006] An assembled anti-deformation car floor comprises a middle frame, side frames, panels, cross beams, longitudinal beams and diagonal beams.
[0007] The middle frame and the side frames are both horizontally arranged circular rectangular frames.
[0008] The intermediate frame includes an intermediate front beam, an intermediate rear beam and two sets of intermediate side beams connected end to end;
[0009] The side frame includes a side front beam, a side rear beam and two sets of side side beams connected end to end;
[0010] Side frames are arranged on both sides of the middle frame, and the two middle side beams are detachably connected to the side side beams of the adjacent two side frames.
[0011] The upper end surfaces of the middle frame and the side frames on both sides are respectively fixedly connected with panels;
[0012] The middle frame and the side frames are both provided with a plurality of groups of cross beams and longitudinal beams arranged in a crisscross pattern. The cross beams and longitudinal beams divide the middle frame and the side frames into a plurality of grids.
[0013] The two ends of the inclined beam are respectively fixed on the two adjacent side walls of the grid;
[0014] The upper end surfaces of the transverse beam and the longitudinal beam are both in contact with the panel, and the upper end surface of the oblique beam is in contact with the panel.
[0015] Furthermore, the middle side beam and the side side beam are both U-shaped channel steels, and both the middle side beam and the side side beam include an upper edge plate, a lower edge plate and a web plate, and the upper edge plate and the lower edge plate are horizontally fixed at the upper and lower ends of the web plate respectively; the opening of the middle side beam is opposite to that of its adjacent side side beam.
[0016] Furthermore, the web of the middle side beam is provided with through front and rear adjustment waist holes, and the web of the side beam adjacent to the middle side beam is provided with through upper and lower adjustment waist holes, and connecting parts are provided between the front and rear adjustment waist holes and the upper and lower adjustment waist holes.
[0017] Furthermore, the grids in the middle frame and the side frames are all provided with inclined beams, and the left and right widths of the areas commonly covered by the inclined beams in all grids are greater than or equal to the width of the elevator shaft entrance.
[0018] Furthermore, the grid provided with inclined beams has two groups of inclined beams arranged in parallel.
[0019] Furthermore, among the two groups of inclined beams located in the same grid, one group of inclined beams is fixedly connected to two adjacent side walls of the grid, and the other group of inclined beams is fixedly connected to the remaining two side walls.
[0020] The beneficial effects of the above technical solution are:
[0021] The utility model divides the car platform into a middle frame and side frames which are detachably connected to the left and right sides of the middle frame. The upper end surfaces of the middle frame and the side frames on both sides are respectively fixedly connected with panels. When the car platform is locally deformed, it can be replaced and maintained by replacing a single frame structure or panel. The problem that a large-tonnage car platform can only be replaced as a whole after deformation can be solved, thereby reducing the maintenance cost of the car platform after local deformation.
[0022] The utility model actually analyzes the working conditions of a forklift transferring goods in a large-tonnage freight elevator and the deformation of the car bottom. A plurality of groups of cross beams and longitudinal beams arranged in a criss-cross pattern are provided in the middle frame and the side frames. The cross beams and longitudinal beams divide the middle frame and the side frames into a plurality of grids. The upper end surfaces of the cross beams and the longitudinal beams are both fitted with the panels, thereby forming a stable fixed foundation and increasing the load-bearing capacity of the car bottom. The oblique beams are fixedly connected on the two adjacent side walls of the grid. The upper end surfaces of the oblique beams are fitted with the panels. While improving the load-bearing capacity, the gap area between the panel and the supporting structure can also be reduced, thereby avoiding the panel being easily sunken due to the wheels relying solely on the panel for support, ensuring that the wheels of the forklift can be borne on the frame structure, and improving the ability of the car bottom to resist local deformation. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0024] Figure 2 This is a three-dimensional schematic diagram of the present invention without the panel;
[0025] Figure 3 for Figure 2 A top view of
[0026] Figure 4 for Figure 3 Cross-sectional view in the AA direction;
[0027] Figure 5 It is a cross-sectional schematic diagram of the connection node between the middle side beam and the side side beam;
[0028] Figure 6 for Figure 5 Schematic side view of .
[0029] Figure numerals: 1 is the middle frame, 2 is the side frame, 3 is the panel, 4 is the crossbeam, 5 is the longitudinal beam, 6 is the oblique beam, 7 is the grid, 8 is the connecting piece, 101 is the middle front beam, 102 is the middle rear beam, 103 is the middle side beam, 104 is the front and rear adjustment waist holes, 201 is the side front beam, 202 is the side rear beam, 203 is the side side beam, and 204 is the upper and lower adjustment waist holes. DETAILED DESCRIPTION
[0030] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
[0031] This embodiment aims to provide an assembled anti-deformation car bottom, which is mainly used in the design of large-tonnage freight elevator cars. It addresses the problem that the existing large-tonnage car bottom has poor ability to resist local deformation and can only be replaced as a whole after deformation.
[0032] An assembled anti-deformation car bottom, such as Figure 1 and Figure 2 , including a middle frame 1, side frames 2, panels 3, crossbeams 4, longitudinal beams 5, and diagonal beams 6. The middle frame 1 and side frames 2 are both horizontally arranged circular rectangular frames. The middle frame 1 includes a middle front beam 101, a middle rear beam 102, and two sets of middle side beams 103 connected end to end; the side frames 2 include side front beams 201, side rear beams 202, and two sets of side beams 203 connected end to end; side frames 2 are arranged on both sides of the middle frame 1. In this application, the left and right directions correspond to the left and right sides of the elevator car, the front corresponds to the side of the car with the entrance and exit, and the rear corresponds to the side of the car away from the entrance and exit.
[0033] like Figure 5 and Figure 6 The middle side beam 103 and the side beam 203 are both U-shaped channel steels, and the middle side beam 103 and the side beam 203 both include an upper edge plate, a lower edge plate and a web plate, and the upper edge plate and the lower edge plate are horizontally fixed at the upper and lower ends of the web plate respectively; the openings of the middle side beam 103 and the side beam 203 adjacent to it are opposite; the web plate of the middle side beam 103 is provided with a through front and rear adjustment waist hole 104, which allows front and rear adjustment during installation; the web plate of the side beam 203 adjacent to the middle side beam 103 is provided with a through upper and lower adjustment waist hole 204, which allows up and down adjustment during installation; a connecting piece 8 is passed through and connected between the front and rear adjustment waist hole 104 and the upper and lower adjustment waist hole 204, and the connecting piece 8 is a bolt kit, so that the two middle side beams 103 are detachably connected to the side beams 203 of the two side frames 2 adjacent to them.
[0034] The upper end surfaces of the middle frame 1 and the side frames 2 on both sides are respectively connected with panels 3 by screws, and the three panels 3 are spliced to form a continuous rectangular surface layer.
[0035] Multiple sets of crossbeams 4 and longitudinal beams 5 are welded and fixed in a crisscross pattern within the middle frame 1 and the side frames 2. These beams divide the middle frame 1 and the side frames 2 into a number of grids 7. The ends of the diagonal beams 6 are welded and fixed to the adjacent side walls of the grids 7. The upper end faces of the crossbeams 4 and longitudinal beams 5 are both in contact with the panels 3, and the upper end faces of the diagonal beams 6 are also in contact with the panels 3. This not only improves the load-bearing capacity, but also reduces the gap between the panels 3 and the supporting structure, preventing the wheels from relying solely on the panels 3 for support, which could easily cause the panels 3 to sag. This ensures that the forklift's wheels can be supported on the frame structure, and improves the car bed's ability to resist local deformation.
[0036] Taking into account that in actual use, the left and right widths of the elevator shaft entrance or the entrance and exit of the elevator car are often smaller than the left and right widths inside the car, and the forklift is often parked in the center of the car, and the wheels of the forklift are not located in the car beyond the left and right widths of the elevator shaft entrance, for this reason, the oblique beams 6 are mainly arranged in the grids 7 of the middle frame 1 and the grids 7 near the middle area of the side frame 2, to ensure that the left and right widths of the areas covered by the oblique beams 6 in all grids 7 are greater than or equal to the width of the elevator shaft entrance; and in this embodiment, in order to reduce the dead weight and save costs, as shown in FIG. Figure 3 There is no inclined beam 6 in the grid 7 near the left and right sides of the side frame 2, and the grid 7 without the inclined beam 6 is located in the car and exceeds the left and right width area of the elevator shaft entrance.
[0037] Further, such as Figure 3 There are two groups of inclined beams 6 arranged in parallel in the grid 7 with inclined beams 6. In the two groups of inclined beams 6 located in the same grid 7, one group of inclined beams 6 is fixedly connected to the two side walls adjacent to the grid 7, and the other group of inclined beams 6 is fixedly connected to the remaining two side walls, thereby further improving the overall bearing capacity and reducing the blank area supported by the frame.
Claims
1. An assembled anti-deformation car floor, characterized by: It includes a middle frame (1), a side frame (2), a panel (3), a cross beam (4), a longitudinal beam (5) and an oblique beam (6), The middle frame (1) and the side frame (2) are both horizontally arranged circular rectangular frames. The intermediate frame (1) comprises an intermediate front beam (101), an intermediate rear beam (102) and two sets of intermediate side beams (103) connected end to end; The side frame (2) comprises a side front beam (201), a side rear beam (202) and two sets of side side beams (203) connected end to end; Side frames (2) are arranged on both the left and right sides of the middle frame (1), and the two middle side beams (103) are detachably connected to the side side beams (203) of the two side frames (2) adjacent thereto. The upper end surfaces of the middle frame (1) and the side frames (2) on both sides are each fixedly connected with a panel (3); The middle frame (1) and the side frame (2) are both provided with a plurality of groups of cross beams (4) and longitudinal beams (5) arranged in a crisscross pattern. The cross beams (4) and longitudinal beams (5) divide the middle frame (1) and the side frame (2) into a plurality of grids (7). The two ends of the inclined beam (6) are respectively fixed on two adjacent side walls of the grid (7); The upper end surfaces of the transverse beam (4) and the longitudinal beam (5) are both in contact with the panel (3), and the upper end surface of the oblique beam (6) is in contact with the panel (3).
2. The assembled anti-deformation car floor according to claim 1, characterized in that: The intermediate side beam (103) and the side beam (203) are both U-shaped channel steels, and each of the intermediate side beam (103) and the side beam (203) comprises an upper edge plate, a lower edge plate and a web plate, wherein the upper edge plate and the lower edge plate are horizontally fixed to the upper and lower ends of the web plate, respectively; the opening of the intermediate side beam (103) is opposite to that of the adjacent side beam (203).
3. The assembled anti-deformation car floor according to claim 2, characterized in that: The web of the middle side beam (103) is provided with through front and rear adjustment waist holes (104), the web of the side beam (203) adjacent to the middle side beam (103) is provided with through upper and lower adjustment waist holes (204), and a connecting piece (8) is provided between the front and rear adjustment waist holes (104) and the upper and lower adjustment waist holes (204).
4. The assembled anti-deformation car floor according to claim 1, characterized in that: The grids (7) in the middle frame (1) and the side frames (2) are all provided with inclined beams (6), and the left and right widths of the areas commonly covered by the inclined beams (6) in all the grids (7) are greater than or equal to the width of the elevator shaft entrance.
5. The assembled anti-deformation car floor according to claim 4, characterized in that: The grid (7) provided with the inclined beams (6) has two groups of inclined beams (6) arranged in parallel.
6. The assembled anti-deformation car floor according to claim 5, characterized in that: Of the two groups of inclined beams (6) located in the same grid (7), one group of inclined beams (6) is fixedly connected to two adjacent side walls of the grid (7), and the other group of inclined beams (6) is fixedly connected to the remaining two side walls.