Ultrathin car bottom structure and elevator

Abstract

The ultrathin car bottom structure comprises a car, a car bottom assembly is assembled on the bottom face of the car, the car bottom assembly structurally comprises a bottom plate, a longitudinal middle beam is installed in the middle of the bottom face of the bottom plate, a plurality of cross beams perpendicular to the longitudinal middle beam are installed on the bottom face of the bottom plate at intervals, and a plurality of longitudinal side beams are jointly and perpendicularly installed among the cross beams; the transverse beams are thicker than the longitudinal middle beams and the longitudinal side beams, and the single transverse beams are transversely erected on the longitudinal middle beams and the longitudinal side beams respectively. A lifting assembly is jointly installed on the bottom faces of the two cross beams located in the middle. Therefore, the car platform structure is effectively simplified, the welding length is reduced while bearing is guaranteed, the process difficulty is lowered, the yield is guaranteed, the thickness of the car platform is effectively reduced, and practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to lift technology field especially a kind of super thin car bottom structure and elevator. BACKGROUND

[0002] Elevator car is usually the box-shaped space for carrying personnel and materials, the bottom of car is provided with bottom plate, mainly play the role of support and bearing, to ensure the stability of passenger in car.

[0003] In prior art, the car bottom of car is usually welded together by bottom plate combined with reinforcing beam. To effectively ensure the support strength of car bottom, it is necessary to set reinforcing beam of different directions combined with sufficient cross-sectional size, which leads to complex car bottom structure and thick size. In addition, excessive welding can cause car bottom deformation, which increases installation difficulty. SUMMARY

[0004] To solve the above problems, the present application provides a kind of super thin car bottom structure and elevator with reasonable structure, which effectively simplifies the car bottom structure, reduces the welding length while ensuring the bearing capacity, reduces the process difficulty, guarantees the yield, and effectively helps to reduce the thickness of car bottom, with good practicability.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A kind of super thin car bottom structure, including car, the bottom surface of car is equipped with car bottom assembly, the structure of car bottom assembly is as follows: including bottom plate, longitudinal middle beam is installed in the bottom surface middle part of bottom plate, a plurality of cross beams perpendicular to longitudinal middle beam are installed at intervals on the bottom surface of bottom plate, and a plurality of longitudinal side beams are also commonly installed vertically between the plurality of cross beams;The thickness of cross beam is thicker than the thickness of longitudinal middle beam and longitudinal side beam, and a single cross beam is respectively horizontally arranged on longitudinal middle beam and each longitudinal side beam;The bottom surface of two cross beams located in the middle part is commonly provided with a lifting assembly.

[0007] As a further improvement of the above technical scheme:

[0008] The longitudinal middle beam and longitudinal side beam constitute a bearing beam, and each cross beam constitutes a reinforcing beam;Fastener is locked through the cross beam towards each longitudinal side beam;The longitudinal middle beam, longitudinal side beam, bottom plate and cross beam are connected by welding at the joint.

[0009] The edge of bottom plate is bent downward and inward to extend to form a wrapping edge, which covers the end of longitudinal middle beam, longitudinal side beam and cross beam inside.

[0010] The number of longitudinal side beams is more than two even numbers, and the longitudinal side beams are symmetrically arranged on both sides of longitudinal middle beam.

[0011] The cross beam comprises cross beam one, cross beam two and cross beam three arranged in sequence, one end of the longitudinal side beam extends into the inside of the cross beam one, and the other end of the longitudinal side beam extends to the edge of the bottom plate after sequentially penetrating through the cross beam two and the cross beam three; the longitudinal middle beam penetrates through all the cross beams in the length direction, and the two ends of the longitudinal middle beam extend to the edges of the bottom plate respectively.

[0012] The cross section of the cross beam, the longitudinal side beam and the longitudinal middle beam is all in the U-shaped structure with the opening facing upward, and the matching fitting grooves for the longitudinal side beam and the longitudinal middle beam are arranged on the opposite side walls of the cross beam.

[0013] The cross beam one and the cross beam two are arranged at the position of one third of the bottom surface of the bottom plate, the lifting assembly is installed on the bottom surface of the cross beam one and the cross beam two, the recess is arranged on the bent edge of the bottom plate between the cross beam one and the cross beam two, and the two ends of the lifting assembly extend out of the recess.

[0014] The structure of the lifting assembly comprises a support base, shaft rollers symmetrically installed at the two end portions of the bottom surface of the support base and commonly winding a lifting cable, a fitting plate installed on the inside of the shaft roller, and fasteners locking the fitting plate from below to the corresponding cross beam in sequence.

[0015] The structure of the support base comprises a support main body in the U-shaped structure with the opening facing downward, and the two edges of the support main body are bent and extended to form a connecting plate; the shaft roller is contained in the inside of the support main body, the shaft portions of the two ends of the shaft roller extend to the connecting plate, the U-shaped piece is upwardly buckled on the shaft portion and penetrates through the connecting plate, and the two ends of the U-shaped piece are installed with a locking pin.

[0016] An elevator, wherein the car of the elevator comprises the ultra-thin car bottom structure according to any one of the preceding embodiments.

[0017] Compared with the prior art, the utility model has the advantages of the following:

[0018] The utility model discloses a reasonable arrangement of the longitudinal beam and the cross beam below the car bottom plate, the longitudinal beam bears, the cross beam reinforces the structure, and the lifting assembly is installed by the cross beam, so that the car bottom structure is effectively simplified, the welding length is reduced while guaranteeing the bearing, the process difficulty is reduced, the yield is guaranteed, the car bottom thickness is effectively reduced, and the practicability is good.

[0019] The utility model also has the following advantages:

[0020] The longitudinal beam penetrates through the cross beam with large thickness, is connected by the welding combination fastener at the intersection, reliable structural fixation between the longitudinal beam and the cross beam is realized, the longitudinal beam is welded with the bottom plate, the cross beam installs the lifting assembly, and the car bottom structure is collectively guaranteed.

[0021] Compared to existing elevator car bottom structures, under the same load-bearing conditions, the thickness of the elevator bottom of this utility model is reduced by more than 20cm, effectively reducing the pit depth of the elevator. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model installed in the car.

[0023] Figure 2 This is a structural schematic diagram of the car bottom assembly of this utility model.

[0024] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle.

[0025] Figure 4 This is a schematic diagram of the lifting component of this utility model.

[0026] Figure 5 for Figure 4 A magnified view of a section at point B in the middle.

[0027] The components include: 1. Car body; 2. Car floor assembly; 3. Lifting assembly;

[0028] 20. Base plate; 21. Central longitudinal beam; 22. Diagonal support; 23. Horizontal beam one; 24. Side longitudinal beam; 25. Horizontal beam two; 26. Horizontal beam three; 27. Reinforcing block; 201. Edge banding; 202. Groove; 251. Assembly groove;

[0029] 31. Support base; 32. Mounting plate; 33. Shaft roller; 34. U-shaped part; 311. Support body; 312. Connecting plate; 321. Side plate. Detailed Implementation

[0030] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0031] like Figure 1 As shown, an ultra-thin car floor structure of this embodiment includes a car body 1, and a car floor assembly 2 is mounted on the bottom surface of the car body 1, as shown in the figure. Figure 2 As shown, the structure of the car bottom assembly 2 is as follows: it includes a bottom plate 20, a longitudinal center beam 21 is installed in the middle of the bottom surface of the bottom plate 20, and multiple crossbeams perpendicular to the longitudinal center beam 21 are installed at intervals on the bottom surface of the bottom plate 20. Multiple longitudinal side beams 24 are also installed vertically between the multiple crossbeams. The thickness of the crossbeams is greater than the thickness of the longitudinal center beam 21 and the longitudinal side beams 24. Each crossbeam is mounted on the longitudinal center beam 21 and each longitudinal side beam 24. The lifting assembly 3 is installed on the bottom surface of the two crossbeams located in the middle.

[0032] The longitudinal middle beam 21 and the longitudinal side beam 24 constitute a load-bearing beam, and each transverse beam constitutes a reinforcing beam; fasteners are locked through the transverse beams towards each longitudinal side beam 24; the longitudinal middle beam 21, the longitudinal side beam 24 and the bottom plate 20 are welded and connected at the joint of the transverse beam.

[0033] In the embodiment, the reasonable arrangement of the longitudinal beams and the transverse beams under the car bottom plate 20, the load-bearing by the longitudinal beams, the structural reinforcement by the transverse beams, and the installation of the lifting assembly 3 by the transverse beams, effectively simplify the car bottom structure, reduce the welding length while ensuring the load-bearing.

[0034] In the embodiment, the longitudinal beams are cleverly used to pass through the transverse beams with large thickness, and are connected by welding and fasteners at the intersection, realizing reliable structural fixation between the longitudinal beams and the transverse beams, the longitudinal beams and the bottom plate 20 are welded and connected, and the transverse beams are installed with the lifting assembly 3, which jointly guarantee the car bottom structure.

[0035] As shown in Figure 3 The edge of the bottom plate 20 is bent inwardly and downwardly to extend to form an edge cover 201, the edge cover 201 covers the longitudinal middle beam 21, the longitudinal side beam 24 and the end of the transverse beam inside, which helps to form an integrated car bottom structure and effectively guarantees the reliability of the car bottom structure.

[0036] The number of longitudinal side beams 24 is more than two and even, and the longitudinal side beams 24 are symmetrically arranged on both sides of the longitudinal middle beam 21, which effectively ensures the structural balance of the car bottom.

[0037] The transverse beam includes a transverse beam one 23, a transverse beam two 25 and a transverse beam three 26 arranged in sequence, one end of the longitudinal side beam 24 extends into the transverse beam one 23, and the other end of the longitudinal side beam 24 extends to the edge of the bottom plate 20 after passing through the transverse beam two 25 and the transverse beam three 26 in sequence; the longitudinal middle beam 21 passes through all the transverse beams in the length direction, and the two ends of the longitudinal middle beam 21 extend to the edge of the bottom plate 20 respectively.

[0038] In the embodiment, the longitudinal middle beam 21 and the transverse beam constitute a support main body in the shape of a Heng, combined with the symmetrical arrangement of the longitudinal side beam 24, which guarantees the stability and structural strength of the car bottom structure.

[0039] The cross section of the transverse beam, the longitudinal side beam 24 and the longitudinal middle beam 21 is a U-shaped structure with an opening upward, and a matching fitting groove 251 is formed on the opposite side wall of the transverse beam for the longitudinal side beam 24 and the longitudinal middle beam 21 to pass through, realizing the cross arrangement between the transverse beam and the longitudinal beam, and being fixed by welding and fasteners at the intersection, which guarantees the support strength while helping to reduce the thickness.

[0040] The transverse beam one 23 and the transverse beam two 25 are arranged at the one-third position of the bottom surface of the bottom plate 20, and the lifting assembly 3 is installed on the bottom surface of the transverse beam one 23 and the transverse beam two 25; a groove 202 is formed on the bent edge of the bottom plate 20 between the transverse beam one 23 and the transverse beam two 25, and the two ends of the lifting assembly 3 extend out of the groove 202.

[0041] In the embodiment, the pulling assembly 3 is extended from the groove 202, facilitating the arrangement of the pulling cable in combination with the external structure.

[0042] In the embodiment, the inclined supports 22 are symmetrically arranged on both sides of the longitudinal middle beam 21 outside the cross beam 23, and the inclined supports 22 are inclinedly extended from the cross beam 23 to the corners of the bottom plate 20, facilitating the arrangement and installation of the external components.

[0043] In the embodiment, the reinforcing blocks 27 are further installed between the adjacent longitudinal side beams 24 between the cross beam 23 and the cross beam 25, helping to ensure the structural stability between the cross beams and ensuring the installation of the pulling assembly 3.

[0044] As shown in Figure 4 and Figure 5 The structure of the pulling assembly 3 is as follows: the support seat 31 is provided with the shaft roller 33 symmetrically installed at both ends of the bottom surface of the support seat 31 and commonly winding the pulling cable, the fitting plate 32 is installed on the inner side of the shaft roller 33, the fastener is locked to the corresponding cross beam from below and upward through the fitting plate 32, facilitating the installation operation.

[0045] In the embodiment, the recessed space for facilitating the winding of the pulling cable can be arranged on the circumferential surface of the shaft roller 33 according to actual needs, so as to prevent the displacement or disengagement of the pulling cable.

[0046] The structure of the support seat 31 is as follows: the support main body 311 is provided in an open downward U-shaped structure, and the two edges of the support main body 311 are bent and extended to form the connecting plate 312; the shaft roller 33 is accommodated in the inner side of the support main body 311 to form the accommodation space of the shaft roller 33, the shaft part at both ends of the shaft roller 33 is extended to the connecting plate 312, the U-shaped piece 34 is upwardly buckled on the shaft part and passes through the connecting plate 312, the plug is installed and locked at both ends of the U-shaped piece 34, the installation of the shaft roller 33 is convenient and simple in operation; the side plate 321 is formed by extending the middle part of the fitting plate 32 towards the inside of the support main body 311, helping to ensure the structural reliability.

[0047] Compared with the existing car bottom structure, the car bottom of the embodiment is reduced by more than 20 cm in the thickness direction under the same bearing condition, effectively reducing the depth of the pit of the elevator.

[0048] The embodiment further provides an elevator, and the car of the elevator comprises the ultra-thin car bottom structure according to any one of the above embodiments.

[0049] The utility model effectively simplifies the car bottom structure, reduces the welding length while ensuring the bearing, reduces the process difficulty, ensures the yield, effectively helps to reduce the thickness of the car bottom, and has good practicability.

[0050] The various embodiments are described in the specification by way of progression, each building on the last to facilitate ease of understanding. The same or similar reference numerals are used in the drawings and description to refer to the same or like parts, components and operations.

[0051] The above description is an explanation of the present application, not a limitation of the present application, the scope of the present application is defined in the claims, within the protection scope of the present application, any form of modification can be made.

Claims

1. An ultra-thin car floor structure, comprising a car body (1), characterized in that: The bottom surface of the car (1) is equipped with a car bottom assembly (2). The structure of the car bottom assembly (2) is as follows: it includes a bottom plate (20), a longitudinal central beam (21) is installed in the middle of the bottom surface of the bottom plate (20), and multiple crossbeams perpendicular to the longitudinal central beam (21) are installed at intervals on the bottom surface of the bottom plate (20). Multiple longitudinal side beams (24) are also installed vertically between the multiple crossbeams. The thickness of the crossbeams is greater than the thickness of the longitudinal central beam (21) and the longitudinal side beams (24). Each crossbeam is mounted horizontally on the longitudinal central beam (21) and each longitudinal side beam (24). The bottom surface of the two crossbeams located in the middle is jointly equipped with a lifting assembly (3).

2. The ultra-thin car floor structure as described in claim 1, characterized in that: The longitudinal beam (21) and longitudinal side beam (24) constitute load-bearing beams, and each cross beam constitutes a reinforcing beam; fasteners are locked through the cross beams toward each longitudinal side beam (24); the longitudinal beam (21), longitudinal side beam (24) are welded to the bottom plate (20) and cross beams at their joints.

3. The ultra-thin car floor structure as described in claim 1, characterized in that: The bottom plate (20) bends downward and inward to form a edging (201), which covers the inner side of the longitudinal center beam (21), the longitudinal side beam (24), and the end of the cross beam.

4. The ultra-thin car floor structure as described in claim 1, characterized in that: The number of longitudinal side beams (24) is two or more even numbers, and the longitudinal side beams (24) are arranged in parallel and symmetrically on both sides of the longitudinal center beam (21).

5. The ultra-thin car floor structure as described in claim 1, characterized in that: The crossbeams include crossbeam one (23), crossbeam two (25), and crossbeam three (26) arranged in sequence. One end of the longitudinal side beam (24) extends into the interior of crossbeam one (23), and the other end of the longitudinal side beam (24) passes through crossbeam two (25) and crossbeam three (26) in sequence and extends to the edge of the bottom plate (20). The longitudinal center beam (21) passes through all the crossbeams in the length direction, and both ends of the longitudinal center beam (21) extend to the edge of the bottom plate (20).

6. The ultra-thin car bottom structure as described in claim 1 or 5, characterized in that: The cross sections of the crossbeam, the longitudinal side beam (24), and the longitudinal center beam (21) are all U-shaped structures with the opening facing upwards. The side walls opposite to the crossbeam are provided with matching mounting slots (251) for the longitudinal side beam (24) and the longitudinal center beam (21) to pass through.

7. The ultra-thin car floor structure as described in claim 5, characterized in that: The first crossbeam (23) and the second crossbeam (25) are respectively located at one-third of the bottom surface of the base plate (20), and the lifting component (3) is installed on the bottom surface of the first crossbeam (23) and the second crossbeam (25); a groove (202) is provided on the bent edge of the base plate (20) between the first crossbeam (23) and the second crossbeam (25), and the two ends of the lifting component (3) extend out from the groove (202).

8. The ultra-thin car floor structure as described in claim 1, characterized in that: The structure of the lifting assembly (3) is as follows: it includes a support base (31), and the two ends of the bottom surface of the support base (31) are symmetrically equipped with rollers (33) that are wrapped with lifting cables. A mounting plate (32) is installed on the support base (31) located inside the rollers (33), and fasteners are locked from bottom to top through the mounting plate (32) toward the corresponding crossbeam.

9. The ultra-thin car floor structure as described in claim 8, characterized in that: The structure of the support base (31) is as follows: it includes a support body (311) with a U-shaped structure with the opening facing downwards, and the two edges of the support body (311) are bent and extended in opposite directions to form a connecting plate (312); the shaft roller (33) is housed inside the support body (311), the shaft portions at both ends of the shaft roller (33) extend to the connecting plate (312), the U-shaped piece (34) is fastened upwards to the shaft portion and passes through the connecting plate (312), and the two ends of the U-shaped piece (34) are fitted with pins for locking; the middle part of the mounting plate (32) extends toward the inside of the support body (311) to form a side plate (321).

10. An elevator, characterized in that: The elevator car includes the ultra-thin car bottom structure as described in any one of claims 1-9.

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