Integrated lift car sill supporting structure of heavy-load goods lift car bottom

Abstract

The invention discloses an integrated lift car sill supporting structure of a heavy-load cargo lift car bottom. The integrated lift car sill supporting structure comprises the cargo lift car bottom, first end socket channel steel, second end socket channel steel, a supporting plate and a reinforcing rib plate. The goods elevator car bottom comprises a car bottom platform and two frames, and the front ends of the frames extend to form supporting edges. The first end socket channel steel is horizontally erected below the front end of the car bottom platform; the second end socket channel steel is horizontally erected on the front sides of the two supporting edges, the channel bottom of the second end socket channel steel is attached to the end faces of the front ends of the supporting edges, a protruding strip is formed after the top channel wall of the second end socket channel steel is cut off, an avoiding notch allowing the protruding strip to be embedded is formed in the top of the front end of each supporting edge, and the top faces of the supporting edges are flush with the top faces of the second end socket channel steel; the supporting plate is horizontally laid on the second end socket steel channel and the top faces of the two supporting edges. According to the integrated lift car sill supporting structure of the heavy-load goods elevator car bottom, the supporting strength and the bending strength of the lift car sill can be effectively improved, and bending deformation of the lift car sill due to gravity compression is prevented.

Description

Technical Field

[0001] The invention relates to an integrated car sill supporting structure of a car bottom of a heavy-duty freight elevator. Background Art

[0002] With the continuous expansion of the scope and occasions of elevator use and the continuous updating of large storage equipment, the market demand for heavy-duty freight elevators is becoming more and more vigorous. In the existing heavy-duty freight elevator structure, the car sill is connected to the front beam of the car bottom through a sill bracket. However, this structure has the following problems: when transporting goods to the heavy-duty freight elevator, a heavy-duty forklift is used. When the forklift is fully loaded, the weight at the front wheel will be particularly heavy, and the car sill will easily deform and sink, causing damage to the elevator. Summary of the invention

[0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides an integrated car sill support structure for the bottom of a heavy-duty freight elevator to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the technical solution of the present invention is to design an integrated car sill support structure for a heavy-duty freight elevator car bottom, comprising a freight elevator car bottom, a first end-end channel steel, a second end-end channel steel, a support plate and a reinforcing rib plate; The cargo elevator car bed comprises a car bed platform, and two frame frames are symmetrically arranged at the bottom of the car bed platform, and the front ends of the two frame frames are respectively extended to form supporting edges; The first end-cap channel steel is horizontally disposed below the front end of the car bottom platform, and the notch of the first end-cap channel steel is arranged to face backward; The second end-cap channel steel is horizontally erected at the front side of the two supporting edges, and the notch of the second end-cap channel steel is arranged backward, the bottom of the groove of the second end-cap channel steel is in contact with the front end face of the supporting edge, the bottom groove wall of the second end-cap channel steel is located below the supporting edge, and the top groove wall of the second end-cap channel steel is cut off to form a convex strip, the front end top of the supporting edge is provided with an avoidance notch for the convex strip to be embedded, and the top surface of the supporting edge is flush with the top surface of the second end-cap channel steel; The support plate is horizontally laid on the top surface of the second end channel steel and the two support edges, and the support plate is provided with fixing holes for installing the car sill; The reinforcing rib plate is arranged between the first end-cap channel steel and the second end-cap channel steel.

[0005] Preferably, both ends of the first end channel steel are respectively welded and fixed to two frames.

[0006] Preferably, both ends of the second head channel steel are respectively welded and fixed to two supporting edges.

[0007] Preferably, both ends of the reinforcing rib plate are respectively welded and fixed to the first end channel steel and the second end channel steel.

[0008] Preferably, the reinforcing rib plates are provided in plurality, and the plurality of reinforcing rib plates are arranged along the length direction of the first head channel steel.

[0009] Preferably, the support plate is provided with welding holes corresponding to the reinforcing rib plate, and the support plate is welded and fixed to the reinforcing rib plate through the welding holes.

[0010] Preferably, the support plate and the reinforcing rib plate are both steel plates. The advantages and beneficial effects of the present invention are: providing an integrated car sill support structure for the bottom of a large-load freight elevator, which has a reasonable structure and can effectively improve the supporting strength and bending strength of the car sill, and prevent the car sill from bending and deforming due to gravity pressure; and has the advantages of simple structure, easy processing and low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This invention is a schematic diagram Figure 1 .

[0012] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0013] Figure 3 This invention is a schematic diagram Figure 2 . DETAILED DESCRIPTION

[0014] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0015] The technical solution specifically implemented in the present invention is: like Figure 1 , Figure 2 and Figure 3 As shown, an integrated car sill support structure of a heavy-duty freight elevator car bottom includes a freight elevator car bottom 100, a first end-end channel steel 1, a second end-end channel steel 2, a support plate 3 and a reinforcing rib plate 4; The cargo elevator car platform 100 includes a car platform 110, and two frame frames 120 are symmetrically arranged at the bottom of the car platform 110, and the front ends of the two frame frames 120 extend to form support edges 130 respectively; The first end-cap channel steel 1 is horizontally placed below the front end of the car bottom platform 110, and the notch of the first end-cap channel steel 1 is arranged to face backwards; The second end-cap channel steel 2 stands horizontally on the front side of the two supporting edges 130, and the notch of the second end-cap channel steel 2 is arranged backward, the groove bottom of the second end-cap channel steel 2 is in contact with the front end face of the supporting edge 130, the bottom groove wall of the second end-cap channel steel 2 is located below the supporting edge 130, and the top groove wall of the second end-cap channel steel 2 is cut off to form a convex strip 21, the front end top of the supporting edge 130 is provided with an avoidance notch 131 for the convex strip 21 to be embedded, and the top surface of the supporting edge 130 is flush with the top surface of the second end-cap channel steel 2; The support plate 3 is horizontally laid on the top surface of the second end channel steel 2 and the two support edges 130, and a fixing hole 31 for installing the car sill is provided on the support plate 3; The reinforcing rib plate 4 is arranged between the first end channel steel 1 and the second end channel steel 2 .

[0016] The present invention discloses an integrated car sill support structure for a heavy-duty freight elevator car bottom. The frame 120 of the freight elevator car bottom 100 is extended to form a support edge 130, and a support support plate 3 for installing the car sill is arranged on the support edge 130, and two end-end channel steels and a reinforcing rib plate 4 are welded and reinforced to form an integrated car sill support structure with the freight elevator car bottom 100. The end-end channel steel adopts a vertical arrangement mode to replace the traditional horizontal arrangement mode, thereby effectively improving the support strength and bending strength of the car sill, and preventing the car sill from bending and deforming due to gravity pressure. In addition, the convex strip 21 formed by cutting off the top groove wall of the second end-end channel steel 2 is embedded in the avoidance notch 131, so that the second end-end channel steel 2 and the support edge 130 can be better fitted and assembled, and the top surface of the second end-end channel steel 2 can be flush with the top surface of the support edge 130, so that the flat support support plate 3 can be installed on the top surface of the second end-end channel steel 2 and the support edge 130.

[0017] Furthermore, the two ends of the first end channel steel 1 are respectively welded and fixed to the two frames 120. By adopting the above solution, the first end channel steel 1 is fixedly connected to the cargo elevator car platform 100.

[0018] Furthermore, the two ends of the second end channel steel 2 are respectively welded and fixed to the two supporting edges 130. By adopting the above solution, the second end channel steel 2 is fixedly connected to the cargo elevator car platform 100.

[0019] Furthermore, the two ends of the reinforcing rib plate 4 are respectively welded and fixed to the first end channel steel 1 and the second end channel steel 2. By adopting the above solution, the reinforcing rib plate 4 is fixedly connected to the first end channel steel 1 and the second end channel steel 2.

[0020] Furthermore, the reinforcing rib plates 4 are provided in plurality, and the plurality of reinforcing rib plates 4 are arranged along the length direction of the first end cap channel steel 1. By adopting the above solution, the plurality of reinforcing rib plates 4 share the force.

[0021] Furthermore, the support plate 3 is provided with welding holes 32 corresponding to the reinforcing rib plate 4, and the support plate 3 is welded and fixed to the reinforcing rib plate 4 through the welding holes 32. By adopting the above solution, the support plate 3 and the reinforcing rib plate 4 are fixedly connected.

[0022] Furthermore, the supporting plate 3 and the reinforcing rib plate 4 are both steel plates.

[0023] The manufacturing method of the integrated car sill support structure of the heavy-duty freight elevator car bottom of the present invention is as follows: Step 1: Place the first end channel steel 1 horizontally below the front end of the car bottom platform 110, and then weld and fix the two ends of the first end channel steel 1 to the two frames 120 respectively; Step 2: Pre-cut the top groove wall of the second end-cap channel steel 2, and process the avoidance notch 131 at the top of the front end of the supporting edge 130; after completion, the second end-cap channel steel 2 is horizontally placed in front of the two supporting edges 130, so that the groove bottom of the second end-cap channel steel 2 fits with the front end surface of the supporting edge 130, and the convex strip 21 formed after the top groove wall of the second end-cap channel steel 2 is cut off is embedded in the avoidance notch 131, and the top surface of the second end-cap channel steel 2 is flush with the top surface of the supporting edge 130, and then the two ends of the second end-cap channel steel 2 are respectively welded and fixed to the two supporting edges 130; Step 3: Place multiple reinforcing rib plates 4 between the first end channel steel 1 and the second end channel steel 2, so that the multiple reinforcing rib plates 4 are arranged along the length direction of the first end channel steel 1, and then weld and fix the two ends of each reinforcing rib plate 4 to the first end channel steel 1 and the second end channel steel 2 respectively; Step 4: Pre-process fixing holes 31 for installing the car sill and welding holes 32 corresponding to the reinforcing rib plate 4 on the support plate 3; after completion, lay the support plate 3 horizontally on the top surface of the second head channel steel 2 and the two supporting edges 130, and then weld the support plate 3 to the reinforcing rib plate 4 through the welding holes 32, and the welding method used is plug welding.

[0024] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An integrated car sill support structure for a heavy-duty freight elevator, characterized in that: It includes the cargo elevator car platform, the first end channel steel, the second end channel steel, the supporting plate and the reinforcing rib plate; The cargo elevator car bed comprises a car bed platform, and two frame frames are symmetrically arranged at the bottom of the car bed platform, and the front ends of the two frame frames are respectively extended to form supporting edges; The first end-cap channel steel is horizontally disposed below the front end of the car bottom platform, and the notch of the first end-cap channel steel is arranged to face backward; The second end-cap channel steel is horizontally erected at the front side of the two supporting edges, and the notch of the second end-cap channel steel is arranged backward, the bottom of the groove of the second end-cap channel steel is in contact with the front end face of the supporting edge, the bottom groove wall of the second end-cap channel steel is located below the supporting edge, and the top groove wall of the second end-cap channel steel is cut off to form a convex strip, the front end top of the supporting edge is provided with an avoidance notch for the convex strip to be embedded, and the top surface of the supporting edge is flush with the top surface of the second end-cap channel steel; The support plate is horizontally laid on the top surface of the second end channel steel and the two support edges, and the support plate is provided with fixing holes for installing the car sill; The reinforcing rib plate is arranged between the first end-cap channel steel and the second end-cap channel steel.

2. The integrated car sill support structure of the heavy-duty freight elevator car floor according to claim 1 is characterized in that: The two ends of the first end channel steel are respectively welded and fixed to the two frames.

3. The integrated car sill support structure of the heavy-duty freight elevator car floor according to claim 1 is characterized in that: The two ends of the second end channel steel are respectively welded and fixed to the two supporting edges.

4. The integrated car sill support structure of the heavy-duty freight elevator car floor according to claim 1 is characterized in that: The two ends of the reinforcing rib plate are respectively welded and fixed to the first end-cap channel steel and the second end-cap channel steel.

5. The integrated car sill support structure of the heavy-duty freight elevator car floor according to claim 1 is characterized in that: The reinforcing rib plates are provided in plurality, and the plurality of reinforcing rib plates are arranged along the length direction of the first head channel steel.

6. The integrated car sill support structure of the heavy-duty freight elevator car floor according to claim 5 is characterized in that: The support plate is provided with welding holes corresponding to the reinforcing rib plate, and the support plate is welded and fixed to the reinforcing rib plate through the welding holes.

7. The integrated car sill support structure of the heavy-duty freight elevator according to claim 1 is characterized in that: The supporting plate and the reinforcing rib plate are both steel plates.

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