Light and stable elevator car frame structure

Abstract

The utility model discloses a light and stable elevator car frame structure which comprises a main straight beam and a main straight beam, the main lower beam is fixedly mounted on the main straight beam; the car bottom frame is fixedly mounted on the main lower beam; the auxiliary lower beam is fixedly mounted on the lower side of the car platform frame; the auxiliary side beam is fixedly mounted on the auxiliary lower beam; one end of the inclined strut reinforcing piece is fixedly mounted on the main straight beam, and the opposite other end of the inclined strut reinforcing piece is fixedly mounted on the auxiliary side beam; the side surface auxiliary guide shoe is fixedly mounted on the auxiliary side beam; the car bottom pull rod beam is fixedly mounted below the car bottom frame; one end of the diagonal draw bar is fixedly installed on the main straight beam, and the other opposite end of the diagonal draw bar is fixedly installed on the car bottom draw bar beam. Compared with the prior art, the problems that an existing elevator car frame needs an auxiliary upper beam structure, so that the weight is large, and the car roof overhauling space is insufficient are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator car frame technical field especially relates to a light and stable elevator car frame structure. BACKGROUND

[0002] The elevator car frame is the carrier of the people or goods inside the elevator, and is also the component of the bottom of the elevator to bear the weight and force. The main functions of the elevator car frame include bearing the weight, protecting the passengers and equipment from external factors, and providing protection function to ensure the safety of the elevator system. For example, the elevator car frame disclosed in Chinese patent CN108046096A includes a car body, a car top arranged on the top of the car body, an upper beam assembly arranged above the car top, a lower beam assembly arranged below the car body, and two vertical beams for connecting the upper beam assembly and the lower beam assembly; the upper beam assembly, the lower beam assembly and the two vertical beams form a gantry; the upper beam assembly includes two upper beams arranged symmetrically, two connecting plates for connecting the upper surfaces of the two upper beams at both ends, and two mounting seats arranged respectively at the middle portions of the lower surfaces of the two upper beams; a gap is arranged between the two upper beams, and the two vertical beams are arranged at the gap and connected with the two upper beams; the two mounting seats are arranged symmetrically and a car top wheel is arranged between them; the car top wheel is located in the gap; a clamping plate is arranged at the connection between the car top and the vertical beam, and the car top and the vertical beam are connected through the clamping plate.

[0003] The existing guide rail car frame structure of the elevator has the following problems:

[0004] 1) The auxiliary upper beam assembly is easy to interfere with the front end accessories such as door motor, block the car top maintenance channel, reduce the car top standing space, and make the maintenance space limited;

[0005] 2) The longer auxiliary side beam is easy to interfere with the front end operating box, increase the difficulty of mechanical design, and also make it difficult to layout the inclined pull rod, so that the inclined pull rod cannot be extended to the front end, affecting the use effect of the inclined pull rod;

[0006] 3) The whole elevator car frame is heavy, making the car operation heavy, the guide shoe operation blocked, and the wear period shortened;

[0007] 4) For the structure without machine room, the auxiliary upper beam assembly affects the layout of the top space. INVENTION CONTENTS

[0008] The utility model aims at providing a light and stable elevator car frame structure to solve the problem of insufficient car top maintenance space caused by the heavy weight of the existing elevator car frame with auxiliary upper beam structure.

[0009] In order to achieve the above purpose, the utility model adopts the following technical scheme: a light and stable elevator car frame structure, comprising:

[0010] A main straight beam;

[0011] A main lower beam is fixedly installed on the main straight beam;

[0012] A cage bottom frame is fixedly installed on the main lower beam;

[0013] A sub-lower beam is fixedly installed on the lower side of the cage bottom frame;

[0014] A sub-side beam is fixedly installed on the sub-lower beam;

[0015] An inclined brace reinforcement is fixedly installed on one end of the main straight beam and on the opposite end of the sub-side beam;

[0016] A side sub-guide shoe is fixedly installed on the sub-side beam;

[0017] A cage bottom pull rod beam is fixedly installed below the cage bottom frame;

[0018] An inclined pull rod is fixedly installed on one end of the main straight beam and on the opposite end of the cage bottom pull rod beam.

[0019] As a further description of the above technical solution:

[0020] The inclined brace reinforcement comprises two reinforcement plate units, one end of the reinforcement plate unit is provided with a bent edge, and the other end of the reinforcement plate unit is provided with a plurality of first connecting holes.

[0021] As a further description of the above technical solution:

[0022] The first connecting hole is a waist-shaped hole.

[0023] As a further description of the above technical solution:

[0024] The inclined pull rod is arranged in the second connecting hole on the cage bottom frame.

[0025] As a further description of the above technical solution:

[0026] The cage bottom frame is provided with a reinforcing rib.

[0027] As a further description of the above technical solution:

[0028] The sub-side beam is provided with symmetrically arranged sub-lower beams on both sides.

[0029] As a result of the adoption of the above technical solution, the beneficial effects of the present application are:

[0030] 1. In this utility model, the diagonal bracing reinforcement strengthens the three-body connection between the car bottom and the main and auxiliary side beams, successfully positioning the auxiliary car frame. The diagonal bracing reinforcement avoids interference from the straight beam attachments and other hoistway attachments, further strengthening the bending moment load on the front and rear of the auxiliary side beams, thereby eliminating the need for the auxiliary upper beam structure, reducing the weight of the car frame, freeing up space for the maintenance access passage on the car top, and saving material and labor installation costs. Furthermore, for machine room-less structures, it allows for more flexible top-floor layout without being affected.

[0031] 2. In this utility model, the secondary side beam is shortened to avoid interference with the front control box, and the diagonal tie rod can also extend to the front, increasing the force and effect of the diagonal tie rod. Attached Figure Description

[0032] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of a lightweight and sturdy elevator car frame structure.

[0034] Figure 2 This is a structural diagram of a diagonal brace reinforcement in a lightweight and stable elevator car frame structure.

[0035] Figure 3 This is a schematic diagram of the main view of the reinforcing plate unit in a lightweight and stable elevator car frame structure.

[0036] Figure 4 This is a side view structural diagram of the reinforcing plate unit in a lightweight and stable elevator car frame structure.

[0037] Figure 5 This is a schematic diagram of the car bottom frame in a lightweight and stable elevator car frame structure.

[0038] Legend:

[0039] 1. Main straight beam; 2. Main lower beam; 3. Car bottom frame; 31. Second connecting hole; 32. Reinforcing rib; 4. Secondary lower beam; 5. Secondary side beam; 6. Diagonal brace reinforcement; 61. Reinforcing plate unit; 611. Bending edge; 612. First connecting hole; 7. Side secondary guide shoe; 8. Car bottom tie rod beam; 9. Diagonal tie rod. Detailed Implementation

[0040] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0041] Embodiment 1

[0042] Please refer to Figures 1-5 The present application provides a technical solution: a light and stable elevator car frame structure, comprising:

[0043] The main straight beam 1;

[0044] The main lower beam 2 is fixedly installed on the main straight beam 1;

[0045] The car bottom frame 3 is fixedly installed on the main lower beam 2;

[0046] The auxiliary lower beam 4 is fixedly installed on the lower side of the car bottom frame 3;

[0047] The auxiliary side beam 5 is fixedly installed on the auxiliary lower beam 4;

[0048] The diagonal brace reinforcement 6 is fixedly installed on the main straight beam 1 at one end and on the auxiliary side beam 5 at the opposite end;

[0049] The side auxiliary guide shoe 7 is fixedly installed on the auxiliary side beam 5;

[0050] The car bottom pull rod beam 8 is fixedly installed below the car bottom frame 3;

[0051] The diagonal pull rod 9 is fixedly installed on the main straight beam 1 at one end and on the car bottom pull rod beam 8 at the opposite end.

[0052] Through the above technical solution, the light car frame, forklift bearing, simple and firm structure, strong applicability, can be used for various small load car structure, does not affect the layout of the car top, effectively saves the car top maintenance space, fills the vacancy of small load forklift goods elevator, also successfully avoids the interference between the auxiliary side beam and the car operating panel.

[0053] The car bottom frame 3 is provided with a reinforcing rib 32, which further improves the anti-deformation capability of the car bottom frame 3.

[0054] Working principle: the diagonal brace reinforcement 6 strengthens the three-body connection of the car bottom with the main and auxiliary side beams, successfully positioning the auxiliary car frame. The diagonal brace reinforcement 6 avoids interference with the straight beam accessories and other shaft accessories, further strengthens the bending moment stress before and after the auxiliary side beam 5, thereby canceling the auxiliary upper beam structure, reducing the weight of the car frame, releasing the layout space of the car top maintenance channel, saving material cost and labor installation cost. In addition, for the non-machine room structure, it can be more flexible to arrange the top layer without affecting.

[0055] Shorten the auxiliary side beam 5 to avoid interference with the front-end operating box, and the diagonal pull rod 9 can also extend to the front end to increase the stress and effect of the diagonal pull rod 9. The auxiliary side beam 5 is connected with the car bottom assembly reinforcing arm to realize the guide rail distance direction adjustment, and the auxiliary side beam 5 is arranged with two guide shoes up and down, so that the car front section is more stable under the load bearing condition.

[0056] Embodiment 2

[0057] The diagonal brace reinforcement 6 includes two reinforcing plate units 61, one end of the reinforcing plate unit 61 is provided with a bent edge 611, and the other end of the reinforcing plate unit 61 is provided with a plurality of first connecting holes 612, which are waist-shaped holes.

[0058] The diagonal brace reinforcement 6 is formed by combining two reinforcing plate units 61. When assembled, one end of the two reinforcing plate units 61 overlaps, and the first connecting holes 612 of the two reinforcing plate units 61 correspond. After the bolt passes through the first connecting holes 612 of the two reinforcing plate units 61, it is locked. The bent edges 611 of the two reinforcing plate units 61 are used to fix the main straight beam 1 and the auxiliary side beam 5 respectively.

[0059] The combined diagonal brace reinforcement 6 is convenient to disassemble and assemble. Since the first connecting holes 612 are waist-shaped holes, the size of the diagonal brace reinforcement 6 can be adjusted to compensate for the position error of the auxiliary side beam 5 and the main straight beam 1, and to be fully locked.

[0060] Embodiment 3

[0061] The diagonal pull rod 9 is arranged in the second connecting hole 31 of the car bottom frame 3, which improves the carrying capacity of the car frame and the anti-deformation ability of the car frame.

[0062] Embodiment 4

[0063] The auxiliary side beam 5 is provided with symmetrically arranged auxiliary lower beams 4 on both sides, which further improves the stability of the installation structure of the auxiliary side beam 5.

[0064] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A lightweight and robust elevator car structure, characterized in that, The utility model relates to a passenger car frame structure, which comprises: a main straight beam; a main lower beam fixedly installed on the main straight beam; a car bottom frame fixedly installed on the main lower beam; a secondary lower beam fixedly installed on the lower side of the car bottom frame; a secondary side beam fixedly installed on the secondary lower beam; a diagonal brace fixedly installed on one end of the main straight beam and on the other end of the secondary side beam; a side secondary guide shoe fixedly installed on the secondary side beam; a car bottom pull rod beam fixedly installed below the car bottom frame; a diagonal pull rod fixedly installed on one end of the main straight beam and on the other end of the car bottom pull rod beam.

2. A lightweight and robust elevator car structure according to claim 1, characterized in that The diagonal brace comprises two reinforcing plate units, one end of the reinforcing plate unit is provided with a bent edge, and the other end of the reinforcing plate unit is provided with a plurality of first connecting holes.

3. A lightweight and robust elevator car structure according to claim 2, characterized in that The first connecting hole is a waist-shaped hole.

4. A portable and stable elevator car structure according to claim 1, characterized in that, The diagonal pull rod is arranged in a second connecting hole on the car bottom frame.

5. A portable and stable elevator car structure according to claim 1, characterized in that, The car bottom frame is provided with a reinforcing rib.

6. A portable and stable elevator car structure according to claim 1, characterized in that, The secondary side beam is provided with the symmetrically arranged secondary lower beams on both sides.

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