CN111422727A

CN111422727A - Lower support type car frame structure of rhombic car

Info

Publication number: CN111422727A
Application number: CN202010206383.3A
Authority: CN
Inventors: 朱光锐; 郑尧; 张建宏; 戴振荣; 江旭
Original assignee: Canny Elevator Co Ltd
Current assignee: Canny Elevator Co Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-07-17

Abstract

The invention discloses a lower support type car frame structure of a rhombic car, wherein two car vertical beams are respectively fixed on the inner sides of two guide rails, the upper ends and the lower ends of the two car vertical beams are respectively connected with a car bracket through a car upper beam, the car bracket is a rhombic bracket, the two car vertical beams are arranged at two end points of a first diagonal line of the rhombic bracket, and a suspension system supports the bottom of the car bracket along a second diagonal line of the rhombic bracket. The invention can realize that the car guide rails and the steel wire ropes are not interfered with the multi-door arrangement of the rhombic car through the structural design that the central lines of the two return rope wheels are vertical to the central lines of the two car vertical beams, can realize that the rhombic car of the elevator with a right-angle door and a multi-door adopts a lower support type suspension mode so as to reduce the requirement of the elevator on the height of a top layer, and simultaneously, the guide system and the safety tongs are placed at the vertical intersection of the position of the steel wire ropes between the two return rope wheels, so that the gravity center of the rhombic car is positioned on the diagonal line, and the symmetrical four corners are uniformly.

Description

Lower support type car frame structure of rhombic car

Technical Field

The invention relates to an elevator bridge structure, in particular to a lower support type car frame structure of a rhombic car.

Background

At present, the right-angle door opening, three-door opening and even four-door opening elevators of the elevator mostly adopt a rhombic car structure, and the car frame with a car top wheel structure is mostly adopted for the rhombic car, so that the requirement on the top layer of the elevator shaft is higher. Therefore, it is highly desirable to design a car frame structure that can reduce the height requirement of the elevator for the top floor and ensure the stability of the structure.

Disclosure of Invention

The invention aims to solve the technical problem that the defects of the prior art are overcome, and the lower support type car frame structure of the rhombic car is provided, and can meet the requirements of structural stability and diversified layout of door opening by adopting a lower support type suspension mode.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows: the utility model provides a lower support formula sedan-chair frame structure of rhombus car, includes that car is put the beams in place, the car erects roof beam and car bracket, and two cars are found the roof beam and are fixed respectively at two car guide inboards, and the upper and lower end that two cars found the roof beam is connected through car put the beams in place and car bracket respectively, and the car bracket is the rhombus bracket, and two cars are found the roof beam and are set up in the first diagonal both ends of rhombus bracket, and suspension system holds car bracket bottom down along the second diagonal of rhombus bracket.

Further, suspension system includes a pair of diverting pulley and many wire rope, and a pair of diverting pulley passes through the diverting pulley fixing base and installs in the second diagonal both ends below of car bracket, wire rope is around locating on a pair of diverting pulley and the vertical upwards extension in both ends, and wherein the vertical upwards fixing of one end is on left well top car rope hitch plate, and the other end is vertical upwards around locating on the driving sheave after vertical downwards around to the diverting pulley on, and last vertical upwards fixing is on the car rope hitch plate on right side, wholly is down the support formula and suspends, and it is 2 to hang to compare: 1.

furthermore, safety tongs are respectively installed on two car vertical beams below the car bracket, two ends of a safety tong linkage rod are respectively connected to the two safety tongs, and the safety tong linkage rod is located below the car bracket and above a steel wire rope between the two rope diverting pulleys.

Further, the boots are led to the structurally fixedly connected with car of holding in the palm formula sedan-chair frame down, the car leads boots totally, and wherein two cars lead boots and fix in car entablature both sides and block respectively on two car guide rails, and two other cars lead boots and fix in the safety tongs below and block respectively on two car guide rails, guarantee that sedan-chair frame structure moves on car guide rail's track steadily.

The buffer is placed on the ground of a pit, and the buffer collision device is arranged at the center of the bottom of the car bracket and positioned outside the steel wire rope between the two diversion sheaves and used for protecting the steel wire rope passing through the position.

The invention has the following beneficial effects:

1) the invention can realize that the car guide rails, the steel wire rope trend and the multi-door arrangement of the rhombic car can not generate interference through the structural design that the central lines of the two return rope wheels are vertical to the central lines of the two car vertical beams (as shown in figure 3: the direction A, the direction B, the direction C and the direction D can be independently or simultaneously used as the door opening direction), so that the car frame structure can realize that a rhombic car of a right-angle door-opening elevator and a multi-door-opening elevator adopts a lower supporting type suspension mode, the requirement of the elevator on the height of a top layer is reduced, and the elevator runs more stably and comfortably;

2) the guide system (car guide rail) and the safety gear placing position (a second diagonal line of a car bracket) are vertically crossed with the steel wire rope moving position (a first diagonal line of the car bracket) between the two diversion sheaves, the center of gravity of the car is above the diagonal line, and meanwhile, the symmetrical four corners of the rhombic car are uniformly stressed, but the stress of two points at the left and right of the center of the elevator car is not traditional, so that the operation of the elevator car is more stable relative to the traditional car, the car is more stable, and the problem of car deformation caused by uneven stress due to eccentricity is avoided after the safety gear acts;

3) although the direction of the steel wire rope between the two diversion sheaves and the direction of the safety gear are arranged in a crossed manner, the two structures are provided with a height difference and a space position difference of a lifting device (a safety gear linkage rod) through arrangement, so that the interference problem of the two sets of systems is perfectly avoided, and the two crossed motion systems can perfectly and independently run without interference;

4) the buffer collision device is arranged at the center of the bottom of the car bracket and is positioned at the center of gravity of the car, so that the steel wire rope passing through the position can be protected.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the overall winding of the steel cord of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a cross-sectional view taken along line E-E of FIG. 3;

FIG. 5 is a sectional view taken along line F-F of FIG. 3;

fig. 6 is a schematic diagram of the stressed position of the car of the invention.

Wherein the reference numerals are: the elevator car comprises an upper car beam 1, a vertical car beam 2, a car bracket 3, a car guide rail 4, a diversion sheave 5-1, a steel wire rope 5-2, a diversion sheave fixing seat 5-3, a car rope hitch plate 6, a traction wheel 7, a counterweight diversion sheave 8, safety tongs 9, a safety tongs linkage rod 10, a car guide shoe 11, a buffer 12 and a buffer collision device 13.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 6, a lower support type car frame structure of a rhombic car comprises a car upper beam 1, a car vertical beam 2 and a car bracket 3, wherein the two car vertical beams 2 are respectively fixed at the inner sides of two car guide rails 4, the upper ends and the lower ends of the two car vertical beams 2 are respectively connected through the car upper beam 1 and the car bracket 3, the car bracket 3 is a rhombic bracket, the two car vertical beams 2 are arranged at the two ends of a first diagonal line of the rhombic bracket, a suspension system comprises a pair of diversion sheaves 5-1 and a plurality of steel wire ropes 5-2, the pair of diversion sheaves 5-1 are arranged below the two ends of a second diagonal line of the car bracket 3 through diversion sheave fixing seats 5-3, the steel wire ropes 5-2 are wound on the pair of diversion sheaves 5-1 and the two ends extend vertically upwards, one end of the diversion sheaves is vertically upwards fixed on the car rope 6, the other end vertically upwards winds the traction sheave 7 and then vertically downwards winds the counterweight diversion sheave 8, and finally is vertically upwards fixed on the car rope hitch plate 6 on the right side, and the whole body is suspended in a downward supporting mode along a second diagonal line of the rhombic bracket, and the suspension ratio is 2: 1 (as shown in figure 2), to support the bottom of the car bracket 3, so that the car guide rail and the steel wire rope can be arranged without interference with multiple opening doors of the rhombic car through the structural design that the central line of two return rope wheels is vertical to the central line of two car vertical beams (as shown in figure 3: A direction, B direction, C direction and D direction can be used as the opening direction independently or simultaneously), so that the car frame structure can realize that the rhombic car of a right-angle opening and multiple-opening elevator adopts a lower support suspension mode to reduce the requirement of the elevator on the height of a top floor, and simultaneously, the elevator runs more stably and comfortably, safety tongs 9 are respectively arranged on two car vertical beams 2 below the car bracket 3, two ends of a safety tong linkage rod 10 are respectively connected to the two safety tongs 9, the safety tong linkage rod 10 is positioned below the car bracket 3 and above the steel wire rope 5-2 between the two return rope wheels 5-1, the arrangement positions of a car guide rail 4 and a safety gear 9 (a second diagonal line of a car bracket 3) are vertically crossed with the moving position of a steel wire rope 5-2 between two diversion sheaves 5-1 (a first diagonal line of the car bracket 3), the gravity center of a car is above the diagonal line, and simultaneously four symmetrical corners of a rhombic car are uniformly stressed, but the two points at the left and right of the center of the traditional elevator car are not stressed, so that the operation of the elevator car is more stable compared with the traditional car, the problem of car deformation caused by uneven stress due to eccentricity is not needed to be worried after the safety gear acts, and simultaneously the interference problem of two systems is perfectly avoided by arranging a height difference and a space position difference of a lifting device (a safety gear linkage rod 10) between the two structures, so that two crossed motion systems can perfectly and independently operate without interference, 4 car guide shoes 11 are fixedly connected on a lower support car frame structure, two of the car guide shoes 11 are fixed on two sides of the car upper beam 1 and clamped on two car guide rails 4 respectively, the other two car guide shoes 11 are fixed below the safety tongs 9 and clamped on the two car guide rails 4 respectively to ensure that the car frame structure stably runs on the track of the car guide rails 4, the buffer 12 is placed on the ground of a pit to protect the car falling out of control, and the buffer collision device 13 is installed at the center of the bottom of the car bracket 3 and positioned on the outer side of the steel wire rope between the two diversion sheaves 5-1 to protect the steel wire rope 5-2 passing through the position.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.

Claims

1. The utility model provides a lower support formula sedan-chair frame structure of rhombus car, includes that car is put the beams in place (1), car upright beam (2) and car bracket (3) on the car, its characterized in that, two cars upright beam (2) are fixed respectively in two car guide rails (4) inboards, and the upper and lower end that two cars upright beam (2) are connected through car put the beams in place (1) and car bracket (3) respectively, car bracket (3) are the rhombus bracket, and two cars upright beam (2) set up in the first diagonal both ends of rhombus bracket, and suspension system holds car bracket (3) bottom down along the second diagonal of rhombus bracket.

2. The underpot car frame structure of claim 1, wherein: the suspension system comprises a pair of diversion sheaves (5-1) and a plurality of steel wire ropes (5-2), wherein the diversion sheaves (5-1) are installed below two ends of a second diagonal line of the car bracket (3) through diversion sheave fixing seats (5-3), the steel wire ropes (5-2) are wound on the diversion sheaves (5-1) and the two ends vertically extend upwards, one end of each steel wire rope is vertically fixed on a car rope hitch plate (6) at the top end of a left shaft upwards, the other end of each steel wire rope is vertically wound on a traction wheel (7) downwards to a counterweight diversion sheave (8) after being wound on the traction wheel upwards, and finally the steel wire rope hitch plate (6) at the right side is vertically fixed upwards, and the whole suspension system is in a lower supporting mode, and the suspension ratio is 2: 1.

3. the underpot car frame structure of claim 2, wherein: safety tongs (9) are installed on two car vertical beams (2) below the car bracket (3) respectively, the two ends of a safety tongs linkage rod (10) are connected to the two safety tongs (9) respectively, and the safety tongs linkage rod (10) is located below the car bracket (3) and above a steel wire rope (5-2) between the two diversion sheaves (5-1).

4. The underpot car frame structure of claim 3, wherein: the car that holds in palm down structurally fixedly connected with car leads boots (11), the car leads boots (11) totally 4, and wherein two cars lead boots (11) to be fixed in car entablature (1) both sides and block respectively on two car guide rails (4), and two cars lead boots (11) to be fixed in safety tongs (9) below and block respectively on two car guide rails (4) in addition.

5. The underpot car frame structure of claim 4, wherein: the elevator car suspension device is characterized by further comprising a buffer (12) and a buffer collision device (13), wherein the buffer (12) is placed on the ground of the pit, and the buffer collision device (13) is installed at the center of the bottom of the car bracket (3) and is positioned on the outer side of a steel wire rope between the two diversion sheaves (5-1).