High-adaptability old elevator transformation elevator main engine arrangement structure

Abstract

The utility model provides a high-adaptability elevator main machine arrangement structure for old elevator transformation. The high-adaptability elevator main machine arrangement structure comprises a main machine, a main machine installation base, a supporting beam and a machine erecting beam. The two machine erecting beams are respectively arranged in the machine room; the supporting beam is transversely erected between the two crane erecting beams; the main machine installation base is installed on the supporting beam through main machine anti-vibration rubber. The host is mounted on the host mounting base; according to the utility model, the adopted mechanical structure is simple, the parts are universal, the processing technology is simple, the cost is low, the supporting beams are fixedly connected with the crane erecting beams in a rigid manner, the anti-vibration rubber is arranged on the supporting beams, the distance between each anti-vibration rubber and a rope falling point is a fixed value after a sample ladder test, and the anti-vibration rubber and the rope falling point are fixed. The compression amount of the anti-vibration rubber and the inclination degree of the main machine are qualified through tests, and the operation performance and use safety of the modified elevator are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a highly adaptable elevator host arrangement structure for remodeling old elevators. Background Art

[0002] There are many old elevators on the market, with various brands and machine room layouts, and there are too many changes, including the specifications of the machine beam, the center position of the machine beam and the lower rope point, etc. When renovating an old elevator, it is often necessary to measure the machine beam and design a non-standard main engine installation base. In the past, the structure of elevators was basically the anti-vibration rubber connected to the main engine on the machine beam. Due to the different selection of rubber of different specifications and the different structures of the machine beam, the connection of the anti-vibration rubber will also be affected. Therefore, this layout structure is not conducive to the renovation of the layout of the machine room of each brand of elevators, and there are many non-standard designs, long design time and high cost.

[0003] The values ​​of the center distances L1 and L2 between the frame beam and the lower rope. The previous anti-vibration rubber design was installed on the frame beam. In order to meet the modification of elevators of different brands, the distances L1 and L2 between the anti-vibration rubber and the lower rope point will also change with the on-site elevators, and it is impossible to complete too many L1 and L2 combination tests in the factory verification. When the L1 and L2 values ​​differ greatly, the unbalanced force on the rubber on the two beams will increase, and the compression of each anti-vibration rubber will also differ greatly, resulting in a large tilt when the elevator is loaded, affecting the operation effect and safety of the elevator, and accelerating the wear of the wire rope and the wheel. Utility Model Content

[0004] The utility model aims to provide a highly adaptable elevator host layout structure for remodeling an old elevator. The mechanical structure adopted is simple, the parts are universal, the processing technology is simple, the cost is low, the support beam and the machine beam are fixedly connected by rigidity, and the anti-vibration rubber is installed on the support beam. The distance between each anti-vibration rubber and the lower rope point is a fixed value passed the sample ladder test. The compression amount of the anti-vibration rubber and the inclination of the host are qualified in the test, thereby ensuring the operating performance and safety of the remodeled elevator.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical solutions: a highly adaptable elevator mainframe layout structure for renovating old elevators, comprising a mainframe, a mainframe mounting base, a support beam and a machine frame beam; wherein: two machine frame beams are provided and are respectively arranged in the machine room; the support beam is horizontally erected between the two machine frame beams; the mainframe mounting base is installed on the support beam through the mainframe anti-vibration rubber; the mainframe is installed on the mainframe mounting base; the car center and the counterweight center are located between the two machine frame beams, the distance from the car center to the center of one of the machine frame beams is L1, and the distance from the counterweight center to the center of the other machine frame beam is L2; ​​the connection hole positions of the support beam and the machine frame beam are set according to the sizes of L1 and L2, and the connection hole positions of the support beam and the mainframe anti-vibration rubber and the mainframe mounting base are pre-designed and checked according to the selection of the mainframe and the mainframe anti-vibration rubber, and are set to fixed values.

[0006] As a further improvement of the technical solution of the utility model, an anti-dumping device is provided between the main engine mounting base and the support beam.

[0007] As a further improvement of the technical solution of the utility model, guide wheels are installed on the main engine mounting base.

[0008] As a further improvement of the technical solution of the utility model, when the machine frame beam is made of C-shaped channel steel, a mounting hole for mounting the support beam is opened in the center of the machine frame beam.

[0009] As a further improvement of the technical solution of the utility model, when the frame beam adopts an I-shaped H-shaped steel or I-shaped steel, the mounting holes are staggered from the central vertical beam.

[0010] As a further improvement of the technical solution of the utility model, the main engine anti-vibration rubber and the center position size of the lower rope of the wire rope are fixed to ensure that the main engine anti-vibration rubber is evenly compressed and the main engine inclination is within the qualified range verified by the test.

[0011] Beneficial effects of the utility model:

[0012] The support beam and the machine beam of the utility model are connected with rigid fixation, the main engine anti-vibration rubber is installed on the support beam, the distance between each main engine anti-vibration rubber and the lower rope point is a fixed value passed the sample ladder test, the compression amount of the rubber and the inclination of the main engine are qualified in the test, thereby ensuring the operating performance and safety of the modified elevator.

[0013] The anti-vibration rubber of the main unit of the present utility model is installed between the support beam and the machine base, and its position relative to the main unit is fixed. During development, calculations have been carried out based on the weight of the main unit and the weight range of the elevator system, and the sample elevator test has been passed. It does not change with the layout of the old ladder frame machine beam at the site. Therefore, it is not necessary to redesign and calculate the elastic coefficient of each rubber for the L1, L2 values and load of each site to ensure that the operating performance and inclination of the elevator meet the requirements, ensuring the design efficiency and the reliability of the design.

[0014] The anti-tipping device of the present utility model is installed between the machine base and the support beam, and its position is fixed near the anti-vibration rubber. There is no need for drilling or welding operations at the site, and the design is simple. Brief Description of the Drawings

[0015] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, objectives and advantages of the present utility model will become more obvious:

[0016] Figure 1 It is the floor plan of the 1:1 elevator machine room before renovation;

[0017] Figure 2 It is the schematic diagram of the existing elevator main unit layout structure;

[0018] Figure 3 It is the front view schematic diagram of the elevator main unit layout structure for the renovation of old elevators with high adaptability;

[0019] Figure 4 It is the side view schematic diagram of the elevator main unit layout structure for the renovation of old elevators with high adaptability;

[0020] Figure 5 It is the partial structure schematic diagram of the elevator main unit layout structure for the renovation of old elevators with high adaptability;

[0021] Figure 6 It is the on-site hole opening diagram of the old ladder frame machine beam (channel steel frame machine beam);

[0022] Figure 7 It is the on-site hole opening diagram of the old ladder frame machine beam (H-shaped steel and I-shaped steel frame machine beam);

[0023] Figure 8 It is the schematic diagram of on-site welding between the old ladder frame machine beam and the support beam (when it is inconvenient to drill holes in the old ladder frame machine beam).

[0024] In the drawings: 1 - main unit; 2 - main unit installation machine base; 3 - support beam; 4 - machine beam; 5 - main unit anti-vibration rubber; 6 - anti-tipping device. Detailed Embodiment

[0025] The present utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. Here, the schematic embodiments and descriptions of the present utility model are used to explain the present utility model, but do not limit the present utility model.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0027] In the present utility model, unless otherwise clearly specified and defined, the term "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In addition, in the present utility model, descriptions such as "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" can explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0029] The present utility model will be further described in detail below in conjunction with the accompanying drawings.

[0030] As Figures 3 to 5As shown, a highly adaptable elevator mainframe layout structure for retrofitting old elevators includes a mainframe 1, a mainframe mounting base 2, a support beam 3 and a frame beam 4; wherein: two frame beams 4 are provided and are arranged in the machine room respectively; the support beam 3 is horizontally erected between the two frame beams 4; the mainframe mounting base 2 is installed on the support beam 3 through the mainframe anti-vibration rubber 5; the mainframe 1 is installed on the mainframe mounting base 2; the car center and the counterweight center are located between the two frame beams 4, the distance from the car center to the center of one of the frame beams 4 is L1, and the distance from the counterweight center to the center of the other frame beam 4 is L2; ​​the connection hole positions of the support beam 3 and the frame beam 4 are set according to the sizes of L1 and L2, and the connection hole positions of the support beam 3 and the mainframe anti-vibration rubber 5 and the mainframe mounting base 2 are pre-designed and checked according to the selection of the mainframe 1 and the mainframe anti-vibration rubber 5, and are set to fixed values. A guide wheel is installed on the main engine installation base 2; and an anti-dumping device 6 is provided between the main engine installation base 2 and the support beam 3.

[0031] Specifically, in the present embodiment, the machine frame beam 4 retains the original ladder machine frame beam and its arrangement unchanged, and two machine frame beams 4 are arranged in the machine room; the support beam 3 is horizontally erected between the two machine frame beams 4, and the main engine mounting base 2 is erected on the support beam 3, and a main engine anti-vibration rubber 5 is arranged therebetween to reduce the vibration of the main engine 1; the main engine 1 and the guide wheel are installed on the main engine mounting base 2.

[0032] Reference Figure 1 , Figures 6 to 8 The old elevator 1:1 hanging machine beam adopts a two-beam arrangement. The center of the car and the center of the counterweight are between the two machine beams 4. The distances from the center of the car and the center of the counterweight to the center of the two beams are L1 and L2 respectively. The values ​​of L1 and L2 may be different for different elevator brands and specifications. When the machine beam 4 is a C-shaped channel steel, drill a hole in the center of the beam. When the machine beam 4 is an I-shaped H-shaped steel or I-beam, drill holes staggered from the center vertical beam. When retaining the old ladder machine beam, if it is inconvenient to drill holes on site, the positioned support beam 3 can be welded to the machine beam 4, which is flexible for transformation.

[0033] Specifically, in this embodiment, the length of the support beam 3 is enough to span two machine beams, such as L1+L2+reserved fixed value, and the connection hole with the machine beam 4 is positioned according to the size of L1 and L2. The connection hole between the upper part and the main engine anti-vibration rubber 5 and the main engine mounting base 2 is pre-designed and checked according to the selection of the main engine 1 and the main engine anti-vibration rubber 5, and is designed as a fixed value, which does not change with the specifications and layout dimensions of the machine beams on site. When there is a need for modification, the design of the support beam 3 can be completed by only measuring the L1 and L2 values ​​on site. The design is fast and convenient, with strong versatility, and is very suitable for modifying elevators.

[0034] Reference Figure 2, for the values of the distances L1 and L2 between the hoisting beam 4 and the lower rope center, in the previous rubber design installed on the hoisting beam 4, to meet the renovation of elevators of different brands, the distances L1 and L2 between the main machine anti-vibration rubber 5 and the lower rope point will also change according to the on-site elevator, and it is impossible to complete too many combination tests of L1 and L2 during in-factory verification. When the values of L1 and L2 differ greatly, the unbalanced force on the main machine anti-vibration rubbers 5 on the two hoisting beams 4 will increase, and the compression amounts of each main machine anti-vibration rubber 5 will also differ significantly, resulting in a large inclination during the elevator's loaded operation, affecting the operation effect and safety of the elevator, and also accelerating the wear of the steel wire rope and the wheel. In this solution, the support beam 3 and the hoisting beam 4 are rigidly fixedly connected, the main machine anti-vibration rubber 5 is installed on the support beam 3, the distances between each main machine anti-vibration rubber 5 and the lower rope point are fixed values after the test on the sample ladder, the compression amount of the rubber and the inclination of the main machine 1 are all qualified after the test, ensuring the operation performance and use safety of the renovated elevator.

[0035] Specifically, in the solution of this embodiment, the main machine anti-vibration rubber 5 is installed between the support beam 3 and the main machine installation base 2, and its position relative to the main machine 1 is fixed. During development, it has been calculated according to the weight of the main machine 1 and the weight range of the elevator system, and has passed the test on the sample ladder. It does not change with the layout of the old hoisting beam on the site. Therefore, there is no need to re-design and calculate the elastic coefficient of each rubber for the L1 and L2 values and the load, etc. at each site to ensure that the operation performance and inclination of the elevator meet the requirements, ensuring the design efficiency and the reliability of the design.

[0036] Specifically, in the solution of this embodiment, the anti-tipping device 6 is installed between the main machine installation base 2 and the support beam 3, and its position is fixed near the anti-vibration rubber. There is no need for on-site drilling or welding operations, and the design is simple. When the previous rubber design was installed on the hoisting beam 4, to prevent the rubber from detaching from the bonding steel plate due to excessive vibration, the anti-tipping device 6 was installed between the hoisting beam 4 and the support beam 3, which increased the on-site drilling operation and also increased the design specifications and difficulty for different beam structures, affecting the design efficiency.

[0037] Specifically, in the solution of this embodiment, the dimensions between the main machine anti-vibration rubber 5 and the center position of the lower steel wire rope are fixed, ensuring uniform compression of the main machine anti-vibration rubber and the inclination of the main machine within the qualified range verified by the test.

[0038] In summary, the present utility model provides a main machine layout structure for renovating old elevators with high adaptability. The mechanical structure adopted is simple, the components are universal, the processing technology is simple, the cost is low, the support beam 3 and the hoisting beam 4 are rigidly fixedly connected, the anti-vibration rubber is installed on the support beam 3, the distances between each anti-vibration rubber and the lower rope point are fixed values after the test on the sample ladder, the compression amount of the anti-vibration rubber and the inclination of the main machine 1 are all qualified after the test, ensuring the operation performance and use safety of the renovated elevator.

[0039] The above has introduced in detail the technical solutions provided by the embodiments of the present utility model. Specific examples are used herein to elaborate on the principles and implementation manners of the embodiments of the present utility model. The descriptions of the above embodiments are only applicable to helping understand the principles of the embodiments of the present utility model. At the same time, for those of ordinary skill in the art, according to the embodiments of the present utility model, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A highly adaptable elevator host layout structure for renovating old elevators, comprising a host, a host installation base, a support beam and a machine frame beam; characterized in that: There are two machine frame beams and they are arranged in the machine room respectively; the support beam is horizontally erected between the two machine frame beams; the main engine mounting base is installed on the support beam through the main engine anti-vibration rubber; the main engine is installed on the main engine mounting base; the car center and the counterweight center are located between the two machine frame beams, the distance from the car center to the center of one of the machine frame beams is L1, and the distance from the counterweight center to the center of the other machine frame beam is L2; ​​the connection hole positions between the support beam and the machine frame beam are set according to the dimensions of L1 and L2, and the connection hole positions between the support beam and the main engine anti-vibration rubber and the main engine mounting base are designed and checked in advance according to the selection of the main engine and the main engine anti-vibration rubber, and are set to fixed values.

2. According to claim 1, a highly adaptable elevator mainframe layout structure for retrofitting old elevators is characterized by: An anti-dumping device is provided between the main engine mounting base and the support beam.

3. The highly adaptable elevator host layout structure for retrofitting old elevators according to claim 1 is characterized by: A guide wheel is installed on the main engine installation base.

4. The highly adaptable elevator host layout structure for retrofitting old elevators according to claim 1 is characterized by: When the machine frame beam is made of C-shaped channel steel, a mounting hole for mounting the support beam is provided at the center of the machine frame beam.

5. The highly adaptable elevator host layout structure for retrofitting old elevators according to claim 4 is characterized by: When the machine frame beam is made of H-shaped steel or I-shaped steel, the mounting holes are staggered from the central vertical beam.

6. The highly adaptable elevator host layout structure for retrofitting old elevators according to claim 1 is characterized by: The main engine anti-vibration rubber and the center position size of the lower rope of the wire rope are fixed, ensuring that the main engine anti-vibration rubber is compressed evenly and the main engine inclination is within the qualified range verified by the test.

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