Bearing beam assembly of elevator without machine room

Abstract

The utility model discloses a machine-room-less elevator spandrel girder assembly, which relates to the field of elevator spandrel girders and comprises a spandrel girder group, a connecting channel steel group and a reinforcing plate group, the spandrel girder group comprises a first spandrel girder, a second spandrel girder and a third spandrel girder, the second spandrel girder is arranged at the top of one end of the first spandrel girder, and the third spandrel girder is arranged at the top of the other end of the first spandrel girder; the connecting channel steel group comprises first connecting channel steel and second connecting channel steel, the first connecting channel steel is arranged on the outer sides of the first bearing beam and the second bearing beam, and the second connecting channel steel is arranged on the outer sides of the first bearing beam and the third bearing beam; the reinforcing plate group is fixedly connected with the bearing beam group and the connecting channel steel group, and the reinforcing plate group is used for reinforcing the stress strength between the bearing beam group and the connecting channel steel group. According to the utility model, the influence of the roof structure on the bearing beam installation can be effectively avoided, the strength is high, and the structural stability is strong.

Description

Technical Field

[0001] This utility model relates to the field of elevator load-bearing beams, and in particular to a machine room-less elevator load-bearing beam assembly. Background Technology

[0002] In current elevator designs with load-bearing beams, the elevator motor is typically fixed to the beam. However, this motor occupies a significant amount of top-floor space, further confining the already limited space. This is especially problematic in low-rise residential buildings or smaller spaces, where the motor's large footprint results in the load-bearing beam being installed too low. Consequently, the elevator door operator's buffer travel is insufficient, preventing proper elevator installation.

[0003] Furthermore, as a crucial load-bearing structure within the elevator shaft, the strength and stability of the load-bearing beam directly impact the safety of elevator operation. However, existing load-bearing beam designs are insufficient in terms of load-bearing strength, especially at bends where they are connected by welding a single steel plate. This structure is prone to stress concentration and fatigue damage when subjected to the dynamic and static loads of the elevator machine and car over long periods. If the welding quality is substandard, with instances of incomplete welds or weak welds, cracks or even fractures may gradually develop at the joints of the load-bearing beam, causing it to lose its supporting capacity and potentially leading to serious safety accidents.

[0004] Therefore, there is an urgent need to design a machine room-less elevator load-bearing beam assembly to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a machine room-less elevator load-bearing beam assembly that has strong stability, makes more reasonable use of space, and can avoid the elevator being unable to be installed normally due to excessively low installation height.

[0006] To address the aforementioned technical problems, this utility model provides a machine room-less elevator load-bearing beam assembly, comprising a load-bearing beam group, a connecting channel steel group, and a reinforcing plate group. The load-bearing beam group includes a first load-bearing beam, a second load-bearing beam, and a third load-bearing beam. The second load-bearing beam is located at the top of one end of the first load-bearing beam, and the third load-bearing beam is located at the top of the other end of the first load-bearing beam. The connecting channel steel group includes a first connecting channel steel and a second connecting channel steel. The first connecting channel steel is located outside the first and second load-bearing beams, and is used to assist in connecting the first and third load-bearing beams. The reinforcing plate group is fixedly connected to the load-bearing beam group and the connecting channel steel group, and is used to enhance the load-bearing strength between the load-bearing beam group and the connecting channel steel group.

[0007] As an improvement to the above solution, the first connecting channel steel includes a first side plate, a second side plate and a third side plate, and the first side plate, the second side plate and the third side plate are sequentially connected to form a "C" - shaped structure; the second connecting channel steel includes a fourth side plate, a fifth side plate and a sixth side plate, and the fourth side plate, the fifth side plate and the sixth side plate are sequentially connected to form a "C" - shaped structure.

[0008] As an improvement to the above solution, first through - hole groups and second through - hole groups are respectively provided at both ends of the first bearing beam; a third through - hole group is provided at one end of the second side plate, and a fixing member is embedded between the first through - hole group and the third through - hole group to fix the first connecting channel steel outside the first bearing beam; a fourth through - hole group is provided at one end of the fifth side plate, and a fixing member is embedded between the second through - hole group and the fourth through - hole group to fix the second connecting channel steel outside the first bearing beam.

[0009] As an improvement to the above solution, a fifth through - hole group is provided at one end of the second bearing beam, a sixth through - hole group is provided at the other end of the second side plate, and a fixing member is embedded between the fifth through - hole group and the sixth through - hole group to fix the first connecting channel steel outside the second bearing beam; a seventh through - hole group is provided at one end of the third bearing beam, an eighth through - hole group is provided at the other end of the second side plate, and a fixing member is embedded between the seventh through - hole group and the eighth through - hole group to fix the second connecting channel steel outside the third bearing beam.

[0010] As an improvement to the above solution, the reinforcing plate group includes a first reinforcing plate group and a second reinforcing plate group. The first reinforcing plate group is provided on the sides of the first side plate and the third side plate, and the first reinforcing plate group is used to tightly connect the first connecting channel steel with the first bearing beam and the second bearing beam; the second reinforcing plate group is provided on the sides of the fourth side plate and the sixth side plate, and the second reinforcing plate group is used to tightly connect the second connecting channel steel with the first bearing beam and the third bearing beam.

[0011] As an improvement to the above solution, the first reinforcing plate group includes at least two reinforcing plates. At least one reinforcing plate is used to connect the first connecting channel steel with the first bearing beam, and at least one reinforcing plate is used to connect the first connecting channel steel with the second bearing beam.

[0012] As an improvement to the above solution, the second reinforcing plate group includes at least two reinforcing plates. At least one reinforcing plate is used to connect the second connecting channel steel with the first bearing beam, and at least one reinforcing plate is used to connect the second connecting channel steel with the third bearing beam.

[0013] As an improvement to the above solution, the reinforcing plate is in a right - angled triangular prism structure.

[0014] As an improvement to the above scheme, one end of the second load-bearing beam is stacked on top of the first load-bearing beam, and the other end is connected to the wall. The first connecting channel steel is perpendicular to the first load-bearing beam and the second load-bearing beam. One end of the third load-bearing beam is stacked on top of the first load-bearing beam, and the other end is connected to the wall. The second connecting channel steel is perpendicular to the first load-bearing beam and the third load-bearing beam.

[0015] As an improvement to the above scheme, the first load-bearing beam, the second load-bearing beam, and the third load-bearing beam are arranged on the same vertical plane.

[0016] The beneficial effects of implementing this utility model are as follows:

[0017] In this invention, by setting the second and third load-bearing beams at the top of both ends of the first load-bearing beam, the problem of insufficient door operator buffer travel and inability to install the elevator normally is solved because the main unit occupies a large amount of top floor space, resulting in the load-bearing beams being installed too low.

[0018] In addition, by installing reinforcing plates and fixing them to the load-bearing beam assembly and connecting channel steel assembly, the load-bearing beam assembly of the entire machine-room-less elevator is strengthened, resulting in greater load-bearing capacity. The reinforcing plates and the fasteners on the connecting channel steel assembly provide double protection, making the structure of the entire machine-room-less elevator load-bearing beam assembly safer. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the machine room-less elevator load-bearing beam assembly of this utility model;

[0020] Figure 2 This is a bottom view of the load-bearing beam assembly of the machine room-less elevator of this utility model;

[0021] Figure 3 This is a schematic diagram of the first load-bearing beam structure of the machine room-less elevator load-bearing beam assembly of this utility model;

[0022] Figure 4 This is a schematic diagram of the second load-bearing beam structure of the machine room-less elevator load-bearing beam assembly of this utility model;

[0023] Figure 5 This is a schematic diagram of the third load-bearing beam structure of the machine room-less elevator load-bearing beam assembly of this utility model;

[0024] Figure 6 This is an installation diagram of the load-bearing beam assembly for a machine room-less elevator according to this utility model;

[0025] Figure 7 This is a schematic diagram of the installation of the fixing components for the machine room-less elevator load-bearing beam assembly of this utility model. Detailed Implementation

[0026] To make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0027] See Figure 1 , Figure 1 which shows the specific structure of the bearing beam assembly of the machine-roomless elevator of the present utility model, including a bearing beam group 1, a connecting channel steel group 2 and a reinforcing plate group 3; the bearing beam group 1 includes a first bearing beam 11, a second bearing beam 12 and a third bearing beam 13, the second bearing beam 12 is arranged on the top of one end of the first bearing beam 11, and the third bearing beam 13 is arranged on the top of the other end of the first bearing beam 11; the connecting channel steel group 2 includes a first connecting channel steel 21 and a second connecting channel steel 22, the first connecting channel steel 21 is arranged on the outer sides of the first bearing beam 11 and the second bearing beam 12 for assisting in connecting the first bearing beam 11 and the second bearing beam 12, and the second connecting channel steel 22 is arranged on the outer sides of the first bearing beam 11 and the third bearing beam 13 for assisting in connecting the first bearing beam 11 and the third bearing beam 13; the reinforcing plate group 3 is fixedly connected to the bearing beam group 1 and the connecting channel steel group 2, and the reinforcing plate group 3 is used to strengthen the force-bearing strength between the bearing beam group 1 and the connecting channel steel group 2.

[0028] It should be noted that by respectively arranging the second bearing beam 12 and the third bearing beam 13 on the tops of both ends of the first bearing beam 11 in a way of setting a height difference, the main machine can be placed on the bearing beam without being affected by the top structure of the house, and enough buffer travel can also be provided for the door machine of the elevator to ensure the normal installation of the elevator. The first connecting channel steel 21, the second connecting channel steel 22, the first bearing beam 11, the second bearing beam 12 and the third bearing beam 13 are formed into a whole by welding. In addition, by arranging the reinforcing plate 31 and fixedly connecting it to the bearing beam group 1 and the connecting channel steel group 2, the force-bearing strength of the bearing beam assembly of the machine-roomless elevator is greater, making the overall structure safer.

[0029] See Figure 2 , the first connecting channel steel 21 includes a first side plate 23, a second side plate 24 and a third side plate 25, and the first side plate 23, the second side plate 24 and the third side plate 25 are connected in sequence to form a "C" - shaped structure; the second connecting channel steel 22 includes a fourth side plate 26, a fifth side plate 27 and a sixth side plate 28, and the fourth side plate 26, the fifth side plate 27 and the sixth side plate 28 are connected in sequence to form a "C" - shaped structure. Each side of the "C" - shaped structure is at 90°, and it has strong stability and high reliability.

[0030] See Figure 3 Figure 6The first load-bearing beam 11 has a first through hole group 51 and a second through hole group 52 at both ends; the second side plate 24 has a third through hole group 53 at one end, and a fixing member 4 is embedded between the first through hole group 51 and the third through hole group 53 to fix the first connecting channel steel 21 to the outside of the first load-bearing beam 11; the fifth side plate 27 has a fourth through hole group 54 at one end, and a fixing member 4 is embedded between the second through hole group 52 and the fourth through hole group 54 to fix the second connecting channel steel 22 to the outside of the first load-bearing beam 11.

[0031] Correspondingly, the second load-bearing beam 12 has a fifth through hole group 55 at one end and a sixth through hole group 56 at the other end of the second side plate 24. A fastener 4 is embedded between the fifth through hole group 55 and the sixth through hole group 56 to fix the first connecting channel steel 21 to the outside of the second load-bearing beam 12. The third load-bearing beam 13 has a seventh through hole group 57 at one end and an eighth through hole group 58 at the other end of the second side plate 24. A fastener 4 is embedded between the seventh through hole group 57 and the eighth through hole group 58 to fix the second connecting channel steel 22 to the outside of the third load-bearing beam 13.

[0032] It should be noted that, in this embodiment, as Figure 7 As shown, the fastener 4 consists of screws and bolts. By embedding the screws and bolts into each through-hole group, the first load-bearing beam 11 and the second load-bearing beam 12 can be tightly connected through the first connecting channel steel 21, and the first load-bearing beam 11 and the third load-bearing beam 13 can be tightly connected through the second connecting channel steel 22, thereby enhancing the structural strength of the load-bearing beams.

[0033] See Figure 6 The reinforcing plate assembly 3 includes a first reinforcing plate assembly 311 and a second reinforcing plate assembly 312. The first reinforcing plate assembly 311 is disposed on the side of the first side plate 23 and the third side plate 25, and is used to tightly connect the first connecting channel steel 21 with the first load-bearing beam 11 and the second load-bearing beam 12. The second reinforcing plate assembly 312 is disposed on the side of the fourth side plate 26 and the sixth side plate 28, and is used to tightly connect the second connecting channel steel 22 with the first load-bearing beam 11 and the third load-bearing beam 13.

[0034] Preferably, the first reinforcing plate group 311 consists of at least two reinforcing plates 31, at least one reinforcing plate 31 is used to connect the first connecting channel steel 21 and the first load-bearing beam 11, and at least one reinforcing plate 31 is used to connect the first connecting channel steel 21 and the second load-bearing beam 12.

[0035] Preferably, the second reinforcing plate group 312 consists of at least two reinforcing plates 31, at least one reinforcing plate 31 is used to connect the second connecting channel steel 22 and the first load-bearing beam 11, and at least one reinforcing plate 31 is used to connect the second connecting channel steel 22 and the third load-bearing beam 13.

[0036] Specifically, in this embodiment, the first reinforcing plate group 311 consists of six reinforcing plates 31, three of which are connected to the third side plate 25 to connect the first connecting channel steel 21 to the first load-bearing beam 11, and the other three are connected to the first side plate 23 to connect the first connecting channel steel 21 to the second load-bearing beam 12. The second reinforcing plate group 312 also consists of six reinforcing plates 31, three of which are connected to the fourth side plate 26 to connect the second connecting channel steel 22 to the first load-bearing beam 11, and the other three are connected to the sixth side plate 28 to connect the second connecting channel steel 22 to the third load-bearing beam 13.

[0037] Preferably, the reinforcing plate 31 is a right-angled triangular prism structure. Therefore, one side of the reinforcing plate 31 can be completely attached to the side wall of the first connecting channel steel 21 or the second connecting channel steel 22, forming a 90° angle with the other side of the reinforcing plate 31 that is attached to the load-bearing beam, making the entire machine room-less elevator load-bearing beam assembly structure more stable and more reliable.

[0038] Specifically, one end of the second load-bearing beam 12 is stacked on top of the first load-bearing beam 11, and the other end is connected to the wall. The first connecting channel steel 21 is perpendicular to the first load-bearing beam 11 and the second load-bearing beam 12. One end of the third load-bearing beam 13 is stacked on top of the first load-bearing beam 11, and the other end is connected to the wall. The second connecting channel steel 22 is perpendicular to the first load-bearing beam 11 and the third load-bearing beam 13.

[0039] Preferably, the first load-bearing beam 11, the second load-bearing beam 12, and the third load-bearing beam 13 are arranged on the same vertical plane.

[0040] It should be noted that by setting the connecting channel steel and the load-bearing beam to be perpendicular, and ensuring that the extension direction of the reinforcing plate 31 is consistent with that of the load-bearing beam and the connecting channel steel, the stress on the reinforcing plate 31 is more even. Since the first load-bearing beam 11, the second load-bearing beam 12, and the third load-bearing beam 13 are all located on the same vertical plane, and the second load-bearing beam 12 and the third load-bearing beam 13 are both connected to the wall, the load-bearing beam assembly of the machine-room-less elevator is evenly stressed on both sides and is less prone to tilting.

[0041] As can be seen from the above, this utility model solves the problem that the installation height of the load-bearing beams is too low due to the main unit occupying a large amount of top space, resulting in insufficient buffer travel of the elevator door operator and preventing normal elevator installation. This is achieved by placing the second load-bearing beam 12 and the third load-bearing beam 13 at the top of both ends of the first load-bearing beam 11. By welding the first connecting channel steel 21, the second connecting channel steel 22, the first load-bearing beam 11, the second load-bearing beam 12, and the third load-bearing beam 13 into a single unit, the structural stability of the machine room-less elevator load-bearing beam assembly is enhanced. By using reinforcing plate group 3 to fix it to the load-bearing beam group 1 and the connecting channel steel group 2, the stress-bearing effect of the entire machine room-less elevator load-bearing beam assembly is strengthened, resulting in greater load-bearing strength.

[0042] In addition, by setting the connecting channel steel as a "C" - shaped structure and designing the reinforcing plate 31 as a right - angled triangular prism, one surface of the reinforcing plate 31 can be completely fitted on the side wall of the first connecting channel steel 21 or the second connecting channel steel 22, and form a 90° angle with the other surface of the reinforcing plate 31 that is fitted on the bearing beam, making the structure of the entire non - machine - room elevator bearing beam assembly more stable and with higher reliability.

[0043] The above are the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. A load-bearing beam assembly for a machine-room-less elevator, characterized in that, It includes a load-bearing beam group, a connecting channel steel group and a reinforcing plate group; The load-bearing beam group includes a first load-bearing beam, a second load-bearing beam and a third load-bearing beam. The second load-bearing beam is arranged at the top of one end of the first load-bearing beam, and the third load-bearing beam is arranged at the top of the other end of the first load-bearing beam; The connecting channel steel group includes a first connecting channel steel and a second connecting channel steel. The first connecting channel steel is arranged outside the first load-bearing beam and the second load-bearing beam, and the first connecting channel steel is used to assist in connecting the first load-bearing beam and the second load-bearing beam. The second connecting channel steel is arranged outside the first load-bearing beam and the third load-bearing beam, and the second connecting channel steel is used to assist in connecting the first load-bearing beam and the third load-bearing beam; The reinforcing plate group is fixedly connected to the load-bearing beam group and the connecting channel steel group, and the reinforcing plate group is used to strengthen the stress strength between the load-bearing beam group and the connecting channel steel group.

2. The plenumless elevator load beam assembly of claim 1, wherein, The first connecting channel steel includes a first side plate, a second side plate and a third side plate, and the first side plate, the second side plate and the third side plate are connected in sequence to form a "C" - shaped structure; The second connecting channel steel includes a fourth side plate, a fifth side plate and a sixth side plate, and the fourth side plate, the fifth side plate and the sixth side plate are connected in sequence to form a "C" - shaped structure.

3. The plenumless elevator load beam assembly of claim 2, wherein, First through-hole groups and second through-hole groups are respectively arranged at both ends of the first load-bearing beam; A third through-hole group is arranged at one end of the second side plate, and a fixing piece is embedded between the first through-hole group and the third through-hole group to fix the first connecting channel steel outside the first load-bearing beam; A fourth through-hole group is arranged at one end of the fifth side plate, and a fixing piece is embedded between the second through-hole group and the fourth through-hole group to fix the second connecting channel steel outside the first load-bearing beam.

4. The plenumless elevator load beam assembly of claim 2, wherein, A fifth through-hole group is arranged at one end of the second load-bearing beam, and a sixth through-hole group is arranged at the other end of the second side plate. A fixing piece is embedded between the fifth through-hole group and the sixth through-hole group to fix the first connecting channel steel outside the second load-bearing beam; A seventh through-hole group is arranged at one end of the third load-bearing beam, and an eighth through-hole group is arranged at the other end of the second side plate. A fixing piece is embedded between the seventh through-hole group and the eighth through-hole group to fix the second connecting channel steel outside the third load-bearing beam.

5. The plenumless elevator load beam assembly of claim 2, wherein, The reinforcing plate group includes a first reinforcing plate group and a second reinforcing plate group. The first reinforcing plate group is arranged on the sides of the first side plate and the third side plate, and the first reinforcing plate group is used to tightly connect the first connecting channel steel with the first load-bearing beam and the second load-bearing beam; The second reinforcing plate group is arranged on the sides of the fourth side plate and the sixth side plate, and the second reinforcing plate group is used to tightly connect the second connecting channel steel with the first load-bearing beam and the third load-bearing beam.

6. The plenumless elevator load beam assembly of claim 5, wherein, The first reinforcing plate group includes at least two reinforcing plates. At least one reinforcing plate is used to connect the first connecting channel steel and the first load-bearing beam, and at least one reinforcing plate is used to connect the first connecting channel steel and the second load-bearing beam.

7. The plenumless elevator load beam assembly of claim 5, wherein, The second reinforcing plate assembly includes at least two reinforcing plates, at least one of which is used to connect the second connecting channel steel to the first load-bearing beam, and at least one of which is used to connect the second connecting channel steel to the third load-bearing beam.

8. The machine room less elevator load beam assembly of any of claims 6-7, wherein, The reinforcing plate is a right-angled triangular prism structure.

9. The plenumless elevator load beam assembly of claim 1 wherein, One end of the second load-bearing beam is stacked on top of the first load-bearing beam, and the other end is connected to the wall. The first connecting channel steel is perpendicular to the first load-bearing beam and the second load-bearing beam. One end of the third load-bearing beam is stacked on top of the first load-bearing beam, and the other end is connected to the wall. The second connecting channel steel is perpendicular to the first load-bearing beam and the third load-bearing beam.

10. The plenum chamber elevator load beam assembly of claim 1 wherein, The first load-bearing beam, the second load-bearing beam, and the third load-bearing beam are located on the same vertical plane.

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