Telescopic bottom support assembly for elevator

Abstract

The telescopic bottom support assembly comprises a bottom plate, fixed beams are fixedly installed on the two sides of the bottom plate, telescopic sleeves are installed at the two ends of each fixed beam, and telescopic blocks are inserted into the telescopic sleeves in a penetrating mode; the two ends of the first movable beam and the two ends of the second movable beam are fixed to the telescopic sleeves on the same sides of the two fixed beams respectively. The bottom support assembly is used for being installed at the bottom of the elevator standard knot, the bottom end of the standard knot can be fixed to the bottom plate, the standard knot is matched with the bottom support assembly in a rolling mode through the rolling support, and the running safety of the cage is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a telescopic bottom bracket component for elevators. Background Art

[0002] In construction, construction elevators are indispensable vertical transportation tools. Elevators are generally arranged in elevator shafts reserved inside buildings. The guide devices that cooperate with the elevators also use conventional elevator standard sections. The elevator standard sections need to be fixed to the wall. Therefore, the transportation height of commonly used elevators is limited by the construction concrete structure layer, and cannot be transported to the construction space above the structure layer.

[0003] Patent 2022112344654 discloses an integrated leap-level elevator on a steel platform, including: a unit platform, the unit platform is fixed at any height position above the bottom beam of the steel platform, the unit platform is equipped with a motor and a steel wire rope, and a protective platform is provided above the unit platform; a guide rail, the upper part of the guide rail is fixed to the steel platform through a sliding wall installed at intervals, and the bottom end of the guide rail is fixed to the core tube shear wall structure through a fixed wall; a car, the car is suspended under the steel wire rope, and the car can move up and down along the guide rail under the traction of the steel wire rope. The elevator unit platform and protective platform are integrated on the steel platform, and climb as the steel platform climbs, without the need to use lifting machinery such as a tower crane. However, there is no bottom support structure under the car of this structure, and the car may fall during operation, posing a safety hazard. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a retractable bottom support assembly for an elevator, which can make the operation of the elevator car safer.

[0005] To this end, the technical solution of the utility model is: a retractable base support assembly for an elevator, comprising a base plate, fixed beams fixedly installed on both sides of the base plate, telescopic sleeves installed at both ends of the fixed beams, and telescopic blocks inserted in the telescopic sleeves; it also includes a first movable beam and a second movable beam, and the two ends of the first movable beam and the second movable beam are respectively fixed to the telescopic sleeves on the same side of the two fixed beams.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: an L-shaped pre-fixing plate is installed on the outer side of the first movable beam.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: a plurality of positioning pins are installed on the second movable beam, and the positioning pins are of a telescopic structure.

[0008] On the basis of the above solution and as a preferred solution of the above solution: the end surface of the telescopic block is provided with an assembly surface, and the assembly surface is provided with an assembly hole.

[0009] On the basis of the above solution and as a preferred solution of the above solution: the telescopic block can move in the telescopic sleeve and is fixed by a locking piece.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: at least two hoisting beams are provided between the two fixed beams, both ends of the hoisting beams are vertically fixed on the two fixed beams, and hoisting holes are provided on the hoisting beams.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: the movable beam and the fixed beam form a rectangular frame structure.

[0012] During construction, first assemble the base plate and the fixed beam, then overlap the pre-fixed plate on the side of the first movable beam onto the appropriate floor surface, and insert the positioning pin on the side of the second movable beam into the reserved hole on the other side wall to pre-fix the base support assembly; then adjust the position of the telescopic blocks at both ends in the telescopic sleeve according to the size of the installation environment. After the position is adjusted, the assembly surface at the end of the telescopic block fits against the floor surface and is locked and fixed with the expansion bolts to fix the base support assembly.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The bottom support assembly is used to be installed at the bottom of the elevator standard section. The bottom end of the standard section can be fixed on the bottom plate. The standard section then rolls with the bottom support assembly through a rolling bracket to increase the safety of the cage operation.

[0015] 2. The bottom bracket assembly adopts a retractable structure, and the positions of the retractable blocks on both sides are adjustable, so that the bottom bracket assembly is suitable for installation environments of different specifications; at the same time, L-shaped pre-fixing plates and retractable pins are respectively arranged on the movable beams on both sides to realize the pre-fixation of the bottom bracket assembly during the installation process, thereby reducing the installation difficulty of the bottom bracket assembly and improving the installation efficiency.

[0016] 3. A lifting beam is set on the bottom support assembly to facilitate the subsequent installation of lifting equipment such as electric hoists. Two lifting points are set on each of the two lifting beams to make the lifting of the bottom support assembly more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 for Figure 1 A local enlarged view of point A;

[0020] Figure 3 for Figure 1 A local enlarged view of point B.

[0021] Marked in the figure are: base plate 1, fixed beam 2, telescopic sleeve 3, telescopic block 4, assembly surface 41, first movable beam 5, second movable beam 6, pre-fixed plate 7, positioning pin shaft 8, lifting beam 9, hoist chain 10. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0024] See the attached drawings. The telescopic base support assembly for the elevator described in this embodiment includes a base plate 1, fixed beams 2 are fixedly installed on both sides of the base plate 1, telescopic sleeves 3 are installed at both ends of the fixed beams 2, and telescopic blocks 4 are inserted in the telescopic sleeves 3; it also includes a first movable beam 5 and a second movable beam 6, the first movable beam 5 and the second movable beam 6 are respectively fixed at both ends to the telescopic sleeves 3 on the same side of the two fixed beams 2, and the first movable beam 5, the second movable beam 6 and the fixed beams 2 on both sides form a rectangular frame structure. The telescopic sleeve here can be fixedly connected or movably connected to the fixed beam. When fixedly connected, the first movable beam and the second movable beam cannot move. When the telescopic sleeve is movably connected to the fixed beam, the first movable beam and the second movable beam can move relative to each other to adjust the position. The telescopic block will not detach from the telescopic sleeve and can only move within a limited range.

[0025] An L-shaped pre-fixed plate 7 is installed on the outer side of the first movable beam 5. One side of the pre-fixed plate 7 is fixed on the first movable beam 5, and the other side forms a hooking surface, which can be overlapped on the corresponding floor surface; a plurality of positioning pins 8 are installed on the second movable beam 6, and the positioning pins 8 are a telescopic structure. When the base plate is initially positioned, the positioning pins 8 can be used for pre-positioning. The positioning pins 8 and the pre-fixed plate 7 cooperate to realize the pre-fixation of the base support assembly.

[0026] The telescopic block 4 can move in the telescopic sleeve 3 and be fixed by a locking piece; the end face of the telescopic block 4 is provided with an assembly surface 41, and the assembly surface 41 is provided with an assembly hole. The assembly hole can be a long slot hole, which is convenient for fixing with the floor surface.

[0027] Two lifting beams 9 are arranged between the two fixed beams 2, and both ends of the lifting beams 9 are vertically fixed on the two fixed beams 2, and lifting holes are arranged on both ends of the lifting beams 9, and the hoist chain 10 of the electric hoist can be hung on the hoisting holes, so as to facilitate the subsequent lifting and lowering of the bottom support assembly by the electric hoist, thereby adjusting the floor difference.

[0028] During construction:

[0029] 1) Assemble the bottom plate 1 and the fixed beam 2, and insert the telescopic block 4 into the corresponding telescopic sleeve 3;

[0030] 2) The pre-fixed plate 7 on the side of the first movable beam 5 is overlapped on a suitable floor surface, and the positioning pin shaft 8 on the side of the second movable beam 6 is inserted into the hole reserved on the other side wall to achieve pre-fixation of the bottom bracket assembly;

[0031] 3) According to the size of the installation environment, adjust the position of the telescopic blocks 4 at both ends in the telescopic sleeve 3. After the position is adjusted, the assembly surface 41 at the end of the telescopic block 4 fits with the floor surface and is locked and fixed by expansion bolts to achieve the fixation of the bottom bracket assembly.

[0032] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A retractable base assembly for a lift, comprising a base plate, characterized in that: Fixed beams are fixedly installed on both sides of the bottom plate, telescopic sleeves are installed at both ends of the fixed beams, and telescopic blocks are inserted in the telescopic sleeves; it also includes a first movable beam and a second movable beam, and both ends of the first movable beam and the second movable beam are respectively fixed to the telescopic sleeves on the same side of the two fixed beams.

2. A retractable base assembly for a lift as claimed in claim 1, characterized in that: An L-shaped pre-fixing plate is installed on the outer side of the first moving beam.

3. A telescopic base assembly for a lift as claimed in claim 1, characterized in that: A plurality of positioning pins are installed on the second moving beam, and the positioning pins are telescopic structures.

4. A telescopic base assembly for a lift as claimed in claim 1, characterized in that: The end surface of the telescopic block is provided with an assembly surface, and the assembly surface is provided with an assembly hole.

5. The telescopic base assembly for a lift according to claim 1, characterized in that: The telescopic block can move in the telescopic sleeve and is fixed by a locking piece.

6. A telescopic base assembly for a lift as claimed in claim 1, characterized in that: At least two hoisting beams are arranged between the two fixed beams, two ends of the hoisting beams are vertically fixed on the two fixed beams, and hoisting holes are arranged on the hoisting beams.

7. A telescopic base assembly for a lift as claimed in claim 1, characterized in that: The movable beam and the fixed beam form a rectangular frame structure.

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