CN219173988U

CN219173988U - Car frame vibration reduction and balancing device

Info

Publication number: CN219173988U
Application number: CN202223140889.2U
Authority: CN
Inventors: 高祥; 杨红江; 张佳良; 严国锋
Original assignee: GLoong Elevator Co ltd
Current assignee: GLoong Elevator Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-06-13
Anticipated expiration: 2032-11-25

Abstract

The utility model belongs to the field of elevators, and particularly relates to a vibration reduction and balancing device for a car frame, which comprises a counterweight assembly and supporting assemblies matched with and arranged at two ends of the counterweight assembly, wherein the counterweight assembly comprises a counterweight beam and a plurality of balancing weights matched with and arranged on the counterweight beam, the supporting assembly comprises a supporting mechanism matched with and arranged on the counterweight beam and a vibration reduction mechanism matched with and arranged on the supporting mechanism, and the supporting mechanism is used for being arranged at one side of a lower beam of an elevator. The utility model integrates the counterweight component and the supporting component containing the vibration damping mechanism, is integrally arranged at one side of the lower beam, and solves the problem of the installation of the vibration damping mechanism and the counterweight.

Description

Car frame vibration reduction and balancing device

Technical Field

The utility model belongs to the field of elevators, and particularly relates to a car frame vibration reduction and balance device.

Background

The car frame is a frame in the elevator that holds and supports the car. The bottom of the car is the assembly that supports the load at the bottom of the car. The elevator traction machine pulls the steel wire rope to drive the car frame to run on at least two rows of rigid guide rails which are perpendicular to the horizontal plane or have an inclination angle smaller than 15 degrees with the plumb line. In order to improve passenger elevator comfort, set up the car bracket between traditional passenger elevator car bottom of the car and the sedan-chair frame, the car is installed on the car bracket, and the car bracket is installed on the sedan-chair frame, has the damping pad subassembly on the car bracket, damping pad subassembly and at the bottom of the car fastening connection. The car and car carriage travel up and down along with the car frame.

However, the car bracket occupies part of the pit space, and the structure and the installation process are complex. The applicant has therefore conceived to develop a bracket-less elevator car frame structure which in turn creates the following problems: the conventional vibration damping pad assembly and the counterweight are mounted on the bracket, and after the bracket is not provided, how to mount the vibration damping pad and the counterweight is a troublesome problem.

In addition, the balancing weight on the car bracket beam can only move horizontally along the beam, and because the arm of force is fixed, the front and back unbalanced load of the car can be adjusted only by increasing and decreasing the number of the balancing weights, and the adjusting range is limited. The vibration reduction pad assembly in the prior art is difficult to replace after the elevator is normally used.

Disclosure of Invention

In order to make up the defects in the prior art, the utility model provides a technical scheme of a car frame vibration reduction and balance device.

The car frame vibration reduction and balancing device comprises a counterweight assembly and supporting assemblies which are arranged at two ends of the counterweight assembly in a matched mode, wherein the counterweight assembly comprises a counterweight beam and a plurality of balancing weights which are arranged on the counterweight beam in a matched mode, the supporting assemblies comprise supporting mechanisms which are arranged on the counterweight beam in a matched mode and vibration reduction mechanisms which are arranged on the supporting mechanisms in a matched mode, and the supporting mechanisms are arranged on one side of a lower beam of an elevator.

Further, an adjusting rod is in threaded connection with the supporting mechanism, and the adjusting rod is vertically arranged.

Further, the weight is capable of adjusting position in one or more of the X-axis, Y-axis, and Z-axis dimensions.

Further, the counter weight beam is provided with an upper counter weight installation part and a lower counter weight installation part, the counter weight is installed between the two counter weight installation parts, a first strip hole is formed in the counter weight installation part along the X-axis direction, and the counter weight is installed with the first strip hole through a fastener.

Further, one of the counterweight beam and the supporting mechanism is provided with a second strip hole along the Y-axis direction, the other is provided with a mounting hole corresponding to the second strip hole, and the second strip hole is connected with the mounting hole through a fastener.

Further, at least one of the second elongated holes and the mounting holes is arranged in a plurality at intervals along the Z-axis direction.

Further, the supporting mechanism comprises a supporting seat and an adapter plate which is matched with the supporting seat, the supporting seat is used for being installed on one side of the lower beam, the adapter plate is used for being installed on the counterweight beam, the supporting seat is paved along the Y-axis direction, and the counterweight beam is paved along the X-axis direction.

Further, the adapter plate is of an L-shaped structure; the left end and the right end of the counterweight beam are respectively provided with a second connecting part, and the second connecting parts are used for being connected with the adapter plate.

Further, the front end and the rear end of the supporting seat are respectively provided with a first connecting part, the first connecting part close to one end of the adapter plate is used for connecting the adapter plate, the first connecting part at the other end is used for connecting the lower beam, the upper end of the supporting seat is provided with a supporting part, the supporting part is used for installing a vibration reduction mechanism, and a reinforcing plate is fixedly connected between the supporting part and the supporting seat main body.

Further, the vibration damping mechanism comprises a vibration damping pad and two base plates which are respectively arranged at the upper end and the lower end of the vibration damping pad.

Compared with the prior art, the utility model has the beneficial effects that:

1) The utility model integrates the counterweight component and the supporting component containing the vibration reduction mechanism, is integrally arranged at one side of the lower beam, and solves the problem of the installation of the vibration reduction mechanism and the counterweight;

2) The balancing weight can adjust the installation position up and down, front and back, left and right, and is more flexible to use;

3) The utility model is provided with the adjusting rod, and the sedan bottom can be supported by replacing the vibration reduction mechanism through the adjusting rod so as to replace and maintain the vibration reduction mechanism;

4) When in use, the utility model forms an annular structure with the lower beam, and the overall strength is higher.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a counterweight beam structure in accordance with the utility model;

FIG. 3 is a schematic diagram of a counterweight according to the utility model;

FIG. 4 is a schematic view of the bearing structure of the present utility model;

FIG. 5 is a schematic view of a transfer plate according to the present utility model;

FIG. 6 is a schematic view of a vibration damping mechanism according to the present utility model;

FIG. 7 is a schematic view of the usage state structure of the present utility model.

In the figure: the counterweight beam 101, the counterweight mounting section 1011, the first elongated hole 1012, the second connection section 1013, the second elongated hole 1014, the counterweight 102, the adjustment lever 103, the support base 104, the first connection section 1041, the support section 1042, the adapter plate 105, the third elongated hole 1051, the vibration damping mechanism 106, the vibration damping pad 1061, the pad plate 1062, the reinforcing plate 107, and the rotating handle 108.

Detailed Description

In the description of the present utility model, it should be understood that the terms "one end," "the other end," "the outer side," "the upper," "the inner side," "the horizontal," "coaxial," "the center," "the end," "the length," "the outer end," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-7, a vibration damping and balancing device for a car frame includes a counterweight assembly and supporting assemblies mounted at two ends of the counterweight assembly, the counterweight assembly includes a counterweight beam 101 and a plurality of counterweights 102 mounted on the counterweight beam 101 in a matching manner, the supporting assemblies include supporting mechanisms mounted with the counterweight beam 101 in a matching manner and vibration damping mechanisms 106 mounted on the supporting mechanisms in a matching manner, and the supporting mechanisms are mounted on one side of a lower beam of an elevator.

It can be appreciated that in the above technical scheme, the utility model integrates the counterweight assembly and the supporting assembly comprising the vibration damping mechanism, and is integrally arranged at one side of the lower beam, thereby solving the problem of the installation of the vibration damping mechanism and the counterweight.

With continued reference to fig. 2, the main body of the counterweight beam 101 is perpendicular to the Y axis, the upper end and the lower end of the counterweight beam are respectively provided with a counterweight mounting portion 1011, the counterweight mounting portion 1011 is perpendicular to the Z axis, two first elongated holes 1012 are formed in the counterweight mounting portion 1011 along the X axis direction, and all the counterweights 102 are mounted between the upper counterweight mounting portion 1011 and the lower counterweight mounting portion 1011 at intervals along the X axis direction. Specifically, the balancing weight 102 is connected to the first elongated hole 1012 through a bolt, and the position of the balancing weight 102 on the balancing weight beam 101 can be adjusted along the X-axis direction by unscrewing the bolt.

Further, the counterweight beam 101 has second connecting parts 1013 at the left and right ends, the second connecting parts 1013 are perpendicular to the X axis, three groups of second elongated holes 1014 are formed from top to bottom, each group includes three second elongated holes 1014 spaced along the Y axis direction, and the second elongated holes 1014 themselves are also formed along the Y axis direction.

With continued reference to fig. 1 and 5, the supporting mechanism includes a supporting seat 104 and an adapter plate 105 mounted in cooperation with the supporting seat, where the adapter plate 105 has an L-shaped structure, and includes two parts, one part is parallel to the main body of the weight beam 101, the other part is parallel to the second connecting part 1013 and is attached to the second connecting part 1013, 9 mounting holes corresponding to the second strip holes 1014 one by one are formed in the part, the mounting Kong Juti is a third strip hole 1051, the third strip hole 1051 is formed along the Y-axis direction, and the second strip hole 1014 is connected to the corresponding third strip hole 1051 by a bolt. Here, the position of the weight beam 101 can be adjusted in the Y-axis direction by unscrewing the bolts, and at the time of installation, the second elongated hole 1014 and the third elongated hole 1051 can be paired as needed, thereby adjusting the position of the weight beam 101 in the Z-axis direction.

With continued reference to fig. 4, the main body of the supporting seat 104 is perpendicular to the X axis, the front and rear ends of the main body are respectively provided with a first connecting portion 1041, the first connecting portion 1041 is perpendicular to the Y axis, the first connecting portion 1041 near one end of the adapter plate 105 is connected with the adapter plate 105 through a bolt, the first connecting portion 1041 at the other end is connected with the lower beam of the elevator car frame, the upper end of the main body of the supporting seat 104 is provided with a supporting portion 1042, the supporting portion 1042 is perpendicular to the Z axis, and is used for installing the vibration reduction mechanism 106, as shown in fig. 1, a plurality of reinforcing plates 107 are fixedly connected between the supporting portion 1042 and the main body of the supporting seat 104, the reinforcing plates 107 are perpendicular to the Y axis, and the supporting strength of the supporting seat 104 can be reinforced by the reinforcing plates 107.

With continued reference to FIG. 6, the damping mechanism 106 of the present utility model is of conventional construction in the art and includes a damping pad 1061 and two backing plates 1062 disposed at the upper and lower ends of the damping pad 1061.

The damper mechanism 106 may employ a damper spring or the like.

With further reference to fig. 1, a nut is welded on the support portion 1042, the nut is screwed with the adjusting rod 103, the adjusting rod 103 is vertically disposed, the lower end of the adjusting rod 103 is slidably inserted through the rotating handle 108, and the rotating handle 108 is rotated to adjust the height of the adjusting rod 103. The function of the adjustment lever 103 is to jack up the bottom of the car for maintenance and replacement of the vibration reduction mechanism 106. The top position of the adjustment lever 103 is lower than the top position of the vibration damping mechanism 106 in normal use.

The car frame vibration reduction and balance devices are matched with each other for use, the two car frame vibration reduction and balance devices are respectively arranged on the front side and the rear side of the lower beam, an annular structure is formed between the car frame vibration reduction and balance devices and the lower beam in an enclosing mode, and the overall strength is higher.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The car frame vibration reduction and balance device is characterized by comprising a counterweight assembly and supporting assemblies which are arranged at two ends of the counterweight assembly in a matching mode, wherein the counterweight assembly comprises a counterweight beam (101) and a plurality of balancing weights (102) which are arranged on the counterweight beam (101) in a matching mode, the supporting assemblies comprise supporting mechanisms which are arranged on the counterweight beam (101) in a matching mode and vibration reduction mechanisms (106) which are arranged on the supporting mechanisms in a matching mode, and the supporting mechanisms are arranged on one side of a lower beam of an elevator.

2. The car frame vibration damping and balancing device according to claim 1, characterized in that an adjusting rod (103) is screwed on the supporting mechanism, and the adjusting rod (103) is vertically arranged.

3. The car frame vibration damping and balancing device of claim 1, wherein the counterweight (102) is adjustable in position in one or more of the X-axis, Y-axis, Z-axis.

4. A car frame vibration damping and balancing device according to claim 3, wherein the counterweight beam (101) has an upper counterweight mounting portion (1011) and a lower counterweight mounting portion (1011), the counterweight (102) is mounted between the two counterweight mounting portions (1011), the counterweight mounting portions (1011) are provided with a first elongated hole (1012) along the X-axis direction, and the counterweight (102) is mounted with the first elongated hole (1012) by a fastener.

5. A car frame vibration damping and balancing device according to claim 3, wherein one of the counterweight beam (101) and the supporting mechanism is provided with a second elongated hole (1014) along the Y-axis direction, the other is provided with a mounting hole corresponding to the second elongated hole, and the second elongated hole (1014) is connected with the mounting hole through a fastener.

6. The car frame vibration absorbing and balancing device according to claim 5, wherein at least one of the second elongated holes and the mounting holes are arranged in a plurality at intervals along the Z-axis direction.

7. The car frame vibration damping and balancing device according to claim 1, characterized in that the supporting mechanism comprises a supporting seat (104) and an adapter plate (105) which is matched with the supporting seat, wherein the supporting seat (104) is used for being installed on one side of a lower beam, the adapter plate (105) is used for being installed on the other side of a counterweight beam (101), the supporting seat (104) is paved along the Y-axis direction, and the counterweight beam (101) is paved along the X-axis direction.

8. The car frame vibration damping and balancing device according to claim 7, characterized in that the adapter plate (105) is of L-shaped construction; the counterweight beam (101) is provided with second connecting parts (1013) at the left and right ends, and the second connecting parts (1013) are used for being connected with the adapter plate (105).

9. The car frame vibration damping and balancing device according to claim 7, wherein the front end and the rear end of the supporting seat (104) are respectively provided with a first connecting portion (1041), the first connecting portion (1041) close to one end of the adapter plate (105) is used for connecting the adapter plate (105), the first connecting portion (1041) at the other end is used for connecting a lower beam, the upper end of the supporting seat (104) is provided with a supporting portion (1042), the supporting portion (1042) is used for installing the vibration damping mechanism (106), and a reinforcing plate (107) is fixedly connected between the supporting portion (1042) and the main body of the supporting seat (104).

10. The car frame vibration damping and balancing device according to claim 1, wherein the vibration damping mechanism (106) comprises a vibration damping pad (1061) and two pad plates (1062) respectively disposed at upper and lower ends of the vibration damping pad (1061).