CN218371134U

CN218371134U - Vibration damping seat of elevator main machine

Info

Publication number: CN218371134U
Application number: CN202222670144.0U
Authority: CN
Inventors: 马登华; 马水锋; 李聪; 马彬华
Original assignee: Shenzhen Shenri Environmental Protection Science & Technology Co ltd
Current assignee: Shenzhen Shenri Environmental Protection Science & Technology Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-01-24
Anticipated expiration: 2032-10-11

Abstract

A damping seat of an elevator host comprises a base internally provided with an elastic damping component and an adjusting seat arranged above the base, wherein a plurality of pretightening force adjusting mechanisms are arranged at different positions among the adjusting seat, the base and the elastic damping component; the pretightening force adjusting mechanism comprises an elastic piece, a pressing plate pressed on the elastic piece and an adjusting piece driving the pressing plate to lift; in view of the unevenness of the installation ground, the base and the adjusting seat are in a certain inclined state, and the heights of the elastic pieces are different, so that different pretightening forces are applied to the corresponding elastic pieces through the adjusting pieces at different positions through the pressing plate, the elastic pieces are compressed to different degrees, the heights of the top surfaces of the elastic pieces are consistent, and the top surface of the adjusting seat is horizontal to limit the installation of an elevator main machine. Therefore, the elevator main machine vibration damping seat can effectively ensure the levelness and the working stability of the elevator by adjusting the pretightening force of the pretightening force adjusting mechanism.

Description

Vibration damping seat of elevator main machine

Technical Field

The utility model relates to a lift vibration damper especially relates to a reduce seat spare of the outside transmission vibration of elevator host computer.

Background

The elevator mainly comprises a lift car, a traction system, a weight balance system and an electric traction system, and a traction motor, namely an elevator main machine, is the most important component in the electric traction system. In order to ensure the accuracy and the stability of the elevator car in the moving process, the elevator main machine and the working end thereof need to be kept at a certain verticality and levelness; on the other hand, in order to protect the elevator main machine and reduce the influence of vibration caused by the elevator main machine, the elevator main machine needs to be installed on the vibration damping seat piece. However, as the specific conditions of different elevator installation positions are different, and the levelness of the elevator main machine and the vibration reduction seat piece is different, the levelness of the elevator main machine and the working end thereof is inevitably influenced when the elevator main machine and the vibration reduction seat piece are installed at the positions; meanwhile, due to the fact that the weight of the elevator main machine is not uniform, the pressure of the elevator main machine on each part of the vibration reduction seat piece is different, and the vibration reduction structure with elasticity is installed inside the vibration reduction seat piece, the vibration reduction seat piece is inclined after the elevator main machine is installed on the vibration reduction seat piece, and therefore the inclination of the elevator main machine and the working end of the elevator main machine is aggravated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can adjust the damping seat of elevator host computer and work end levelness through adjusting the pretightning force to guarantee the security and the stationarity of elevator work.

The elevator host machine vibration damping seat comprises a fixedly installed base and an adjusting seat arranged above the base, wherein an elastic vibration damping component for providing vibration damping capacity is arranged in the base, a supporting plate is paved on the top surface of the elastic vibration damping component, and a plurality of pretightening force adjusting mechanisms are arranged at different positions between the supporting plate and the adjusting seat; the pretightening force adjusting mechanism comprises an elastic piece, a pressing plate and an adjusting piece, wherein the elastic piece is arranged on the top surface of the supporting plate and has elasticity, the pressing plate is arranged on the top surface of the elastic piece, and the adjusting piece drives the pressing plate to lift.

The elevator host machine vibration damping seat is characterized in that a support is fixedly mounted at the bottom of the adjusting seat, the bottom of the support is arranged in the base, and a lateral vibration damping pad is arranged between the outer side of the support and the base.

The elevator host machine vibration damping seat is characterized in that the adjusting piece is an adjusting screw rod and an adjusting nut which are in threaded connection with each other, the adjusting nut is fixedly installed on the adjusting seat, the adjusting screw rod is vertically arranged, and the tail end of the adjusting screw rod penetrates through the top surface of the adjusting seat and abuts against the pressing plate.

The elevator host machine vibration damping seat of the utility model has the advantages that the elevator host machine is arranged on the adjusting seat, the pretightening force adjusting mechanisms are arranged at different positions between the adjusting seat and the base, and the pretightening force at different positions is adjusted to keep the elevator host machine at a proper levelness, so that the working requirement of the elevator is met; when the elevator host computer takes place the vibration because of work, the vibration will transmit to elasticity damping subassembly through pretightning force adjustment mechanism, then realizes buffering and damping through elasticity damping subassembly again, and elasticity damping subassembly can be the elasticity damping pad that the multilayer set up, or other current elasticity damping structure, does not give unnecessary details here. In the process of adjusting the levelness of the elevator main machine, the elastic pieces at all positions have the same vertical thickness, but the elastic pieces can have different heights due to unevenness of the installation environment, so that the adjusting seat and the elevator main machine which are supported above the adjusting seat cannot reach the required levelness, therefore, the adjusting pieces on all the pretightening force adjusting mechanisms are utilized to drive the corresponding pressing plates to lift, vertical pretightening force is applied to the elastic pieces through the pressing plates, the pretightening force of the elastic pieces is changed, the elastic pieces with higher top surface heights are compressed until the top surfaces of the elastic pieces are located on the same horizontal plane, and the adjusting seat and the elevator main machine reach the required levelness. Therefore, the elevator main machine vibration damping seat can effectively ensure the levelness of the elevator main machine and the working end thereof through the arrangement of the pretightening force adjusting mechanism, thereby ensuring the safety and the stability of the elevator work, and the pretightening force adjusting mechanism has simple structure, easy manufacture and wide application range, and adopts the adjusting screw rod and the nut as adjusting pieces, thereby having extremely simple and convenient operation and accurate and stable work; in addition, the arrangement of the support at the bottom of the adjusting seat can facilitate the arrangement of a lateral vibration damping pad between the support and the base, so that the transverse vibration caused by the operation of the elevator main machine is reduced, and the vibration damping effect is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a vibration damping seat of an elevator main machine.

Fig. 2 is a partial structure schematic diagram of a vibration damping seat of an elevator main machine.

Fig. 3 is a schematic sectional structure diagram of the vibration damping base of the elevator main machine.

Fig. 4 is a schematic view of the construction of the elastomeric damping module.

FIG. 5 is a schematic view of the connection structure of the auxiliary pressing screw, the auxiliary pressing nut and the adjacent components.

Fig. 6 and 7 are schematic structural diagrams of the pretension adjusting mechanism.

Fig. 8 is a schematic view of the connection structure of the positioning bolt, the supporting bolt and the adjacent parts.

Detailed Description

A damping seat of an elevator host comprises a base 1 fixedly installed and an adjusting seat 2 arranged above the base, wherein an elastic damping component 3 providing damping capacity is arranged in the base, a supporting plate 4 is laid on the top surface of the elastic damping component, and a plurality of pre-tightening force adjusting mechanisms are arranged at different positions between the supporting plate and the adjusting seat; the pretightening force adjusting mechanism comprises an elastic piece 5 which is arranged on the top surface of the supporting plate and has elasticity, a pressing plate 6 which is arranged on the top surface of the elastic piece and an adjusting piece 7 which drives the pressing plate to lift; the adjusting piece 7 is an adjusting screw rod 71 and an adjusting nut 72 which are screwed with each other, the adjusting nut is fixedly arranged on the adjusting seat 2, the adjusting screw rod is vertically arranged, and the tail end of the adjusting screw rod penetrates through the top surface of the adjusting seat and abuts against the pressing plate 6; in addition, a concave platform 21 which is concave downwards is arranged at the position, opposite to the adjusting screw rod 71, of the top surface of the adjusting seat 2, and the head of the adjusting screw rod is arranged in the concave platform; and a support is fixedly arranged at the bottom of the adjusting seat 2, the bottom of the support is arranged in the base 1, a positioning cavity for placing the elastic piece 5 and limiting the elastic piece to move transversely is arranged on the support, and a lateral damping pad 9 is arranged between the outer side of the support and the base.

The base of the elevator main machine vibration damping seat is fixedly arranged on the ground, the adjusting seat and the elevator main machine arranged on the adjusting seat can incline to a certain extent due to the unevenness of the ground, and the elastic pieces on the pretightening force adjusting mechanisms at different positions of the adjusting seat also have different horizontal heights; at the moment, the adjusting screw rod at the required position is rotated to change the horizontal height of the adjusting screw rod, so that vertical pretightening force can be applied to the elastic piece through the pressing plate, and the elastic piece is compressed and the height of the top surface is reduced after being stressed; when the top surfaces of the elastic pieces at all positions are positioned on the same horizontal plane, the adjusting seat and the elevator main machine reach the required levelness. This elevator host computer damping seat is through adjusting pretightning force adjustment mechanism's pretightning force, can effectively guarantee the levelness and the job stabilization nature of elevator, and its regulation convenient operation, accuracy, and adjusting seat top surface concave station sets up and can hide adjusting screw, avoids its installation and removal and the work that influences the elevator host computer, and the setting of side direction damping pad and the inside elastic component of pretightning force adjustment mechanism can further improve the damping effect.

In the vibration damping seat of the elevator main machine, the top end of the outer side surface of the base 1 is bent inwards and is parallel to the top surface of the adjusting seat 2, specifically, as shown in fig. 2 and 3, the base 1 comprises a hollow groove plate 11 with an opening at the top surface and two ends, and side cover plates 12 which are detachably arranged at two sides of the groove plate, one side edge of each side cover plate extends to the upper side of the side edge of the top surface of the groove plate and is opposite to the support, and a lateral vibration damping pad 9 is arranged between the side cover plates and the support; in addition, the end cover plates 14 are detachably arranged at two ends of the groove plate, the top surfaces of the end cover plates are opposite to the support, and the end damping pads 91 are arranged between the top surfaces of the end cover plates and the support. In addition, as shown in fig. 8, the two ends of the side edge of the top surface of the adjusting seat 2 are respectively provided with a supporting screw hole 22 and an upper positioning screw hole 23 which are communicated with the top surface of the base 1, the top surface of the base is also provided with a lower positioning screw hole 13 which is coaxially arranged with the upper positioning screw hole, a positioning bolt 10 which is simultaneously screwed with the upper positioning screw hole and the lower positioning screw hole, and a supporting bolt 20 which is screwed with the supporting screw hole and the end of which is propped against the top surface of the base, and the arrangement requirements of the supporting bolt and the positioning bolt are that in the installation process of the elevator main machine, if the adjusting seat, the pretightening force adjusting mechanism and the elastic vibration damping component which is mutually connected with the pretightening force adjusting mechanism can freely act, the accurate installation of the elevator main machine is not facilitated, and the adjustment of the subsequent pretightening force is not convenient; therefore, the bolt and the screw hole are oppositely arranged between the base and the adjusting seat, the positioning bolt is in threaded connection with the upper positioning screw hole and the lower positioning screw hole before the elevator host is installed, the base and the adjusting seat are transversely positioned, meanwhile, the adjusting seat is stably abutted to the base along the vertical direction by utilizing the supporting bolt, then the elevator host is installed, the installation convenience and the accuracy can be greatly improved, after the elevator host is installed, the positioning bolt and the supporting bolt are removed, and then the elevator host vibration damping seat can normally and stably perform vibration damping work.

The elevator host machine vibration damping seat comprises a support plate 81 and a side plate 82, wherein the support plate is horizontally arranged, the side plate 82 is vertically arranged on the top surface of the support plate, a lateral vibration damping pad 9 is arranged on the outer side of the side plate, positioning holes are respectively formed in the positions, opposite to the elastic parts 5, of the support plate, the bottom of each elastic part penetrates through the positioning holes to abut against the support plate 4 so as to position the elastic parts, transverse movement or dislocation is avoided, working stability is guaranteed, an elastic release compensation pad 30 is further arranged between the support plate 81 and the support plate 4 so as to provide a vibration damping effect between the support plate and the support plate, the release compensation pad 30 is fixedly arranged at the bottom of the support plate 81 and is spaced from the support plate 4, meanwhile, the elastic modulus of the release compensation pad is greater than that of the elastic vibration damping component 3 and the elastic parts 5, a certain gap is reserved between the release compensation pad and the support plate below the release compensation pad in a free state, and the release compensation pad are not in contact with the support plate under the condition of smaller vibration amplitude, the elastic parts and the elastic vibration damping components are used for damping, and the release compensation pad is pressed with the support plate until the vibration amplitude is increased so as to provide more vibration damping capacity; meanwhile, the arrangement of the release compensation pad can also correct the installation error so as to ensure the installation accuracy of the vibration damping seat of the elevator main machine. In addition, the supporting plate 81 and the supporting plate 4 are provided with through holes along the vertical direction, the tail end of the auxiliary pressure screw 40 penetrates through the through holes of the supporting plate and the supporting plate from one side of the supporting plate and is in threaded connection with the auxiliary pressure nut 50, because the bottom surface of the adjusting seat needs to be turned over firstly in the installation process, then the support is installed on the adjusting seat, then the supporting plate is installed on the support by using the auxiliary pressure screw and the auxiliary pressure nut, then the adjusting seat is turned over, the support and the supporting plate are placed in the base, and the supporting plate is pressed on the elastic vibration reduction component; therefore, the auxiliary pressing screw and the auxiliary pressing nut which are in threaded connection with each other can improve the convenience of assembly and disassembly operations, and the auxiliary pressing screw and the auxiliary pressing nut can automatically loosen due to the vibration of the support, the support plate and the elastic vibration damping assembly when the elevator main machine works, so that the influence on each elastic vibration damping pad is avoided, and the working stability and the vibration damping effect of each elastic vibration damping pad are ensured.

Elevator host computer damping seat, elastic component 5 can be the spring, can be the rubber spare, also can be cylindric as shown in the figure and open the rubber spring that has the axial through-hole, it has reference column 41 that extends to in the rubber spring axial through-hole to open the top surface of backup pad 4, in order to improve the installation stability of rubber spring, avoid its lateral shifting, clamp plate 6 is opened has through-hole and through-hole department to be connected with cupped compression leg 61, this compression leg both can further fix a position rubber spring, also can cooperate with adjusting screw more steadily, and simultaneously, the terminal briquetting 73 that can also install of adjusting screw 71, the briquetting can be column or globular, in order to cooperate with the compression leg inner wall better.

In the damping seat of the elevator host machine, the elastic damping component 3 comprises a plurality of buffering damping pads which are sequentially arranged from top to bottom, the elastic modulus of each buffering damping pad is different, a rigid constraint plate 31 is arranged between part of adjacent buffering damping pads, and acting force is transmitted through the constraint plate, so that the adjacent buffering damping pads are more uniformly deformed, the damping effect of the buffering damping pads is better utilized, the damping capacity is improved, and the working safety and the service life of the buffering damping pads can be improved; in addition, part of the cushion includes several pieces of separate release compensation pads 32 arranged at intervals in the transverse direction to reduce the area of the cushion, thereby increasing the compression amount in the working process and improving the damping effect.

Claims

1. The utility model provides an elevator host computer damping seat, includes fixed mounting's base (1) and sets up in regulation seat (2) of base top, is equipped with elasticity damping subassembly (3) that provide damping capacity in the base, its characterized in that: a supporting plate (4) is laid on the top surface of the elastic vibration damping assembly, and a plurality of pre-tightening force adjusting mechanisms are arranged at different positions between the supporting plate and the adjusting seat; the pretightening force adjusting mechanism comprises an elastic piece (5) which is arranged on the top surface of the supporting plate and has elasticity, a pressing plate (6) which is arranged on the top surface of the elastic piece and an adjusting piece (7) which drives the pressing plate to lift.

2. The elevator machine vibration dampening shoe of claim 1 wherein: the bottom fixed mounting who adjusts seat (2) has the support, and the bottom of support sets up in base (1), is equipped with the location chamber of placing elastic component (5) and restricting its lateral shifting on the support, is equipped with side direction damping pad (9) between the outside of support and the base.

3. The elevator machine vibration dampening shoe of claim 2 wherein: the support comprises a horizontally arranged bearing plate (81) and a side plate (82) vertically arranged on the top surface of the bearing plate, the lateral vibration damping pad (9) is arranged on the outer side of the side plate, the bearing plate and each elastic piece (5) are opposite to each other and are respectively provided with a positioning hole, and the bottom of each elastic piece penetrates through the positioning holes to be abutted to the supporting plate (4).

4. The elevator machine vibration dampening shoe of claim 3 wherein: an elastic release compensation pad (30) is arranged between the bearing plate (81) and the supporting plate (4), and the release compensation pad is fixedly arranged at the bottom of the bearing plate and has a gap with the supporting plate.

5. The elevator machine vibration dampening shoe of claim 3 wherein: through holes are oppositely formed in the supporting plate (81) and the supporting plate (4) along the vertical direction, and the tail end of the auxiliary pressure screw (40) penetrates through the through holes of the supporting plate and the supporting plate from one side of the supporting plate and is in threaded connection with the auxiliary pressure nut (50).

6. The elevator machine vibration damping mount of claim 1, 2 or 3 wherein: the adjusting piece (7) is an adjusting screw rod (71) and an adjusting nut (72) which are in threaded connection with each other, the adjusting nut is fixedly arranged on the adjusting seat (2), the adjusting screw rod is vertically arranged, and the tail end of the adjusting screw rod penetrates through the top surface of the adjusting seat and abuts against the pressing plate (6).

7. The elevator machine vibration dampening shoe of claim 6 wherein: the tail end of the adjusting screw rod (71) is provided with a pressing block (73).

8. The elevator machine vibration dampening shoe of claim 2 wherein: the base (1) comprises a hollow groove plate (11) with openings on the top surface and two ends, and side cover plates (12) which are detachably arranged on two sides of the groove plate, wherein one side edge of each side cover plate extends to the upper part of the side edge of the top surface of the groove plate and is opposite to the support, and a lateral vibration damping pad (9) is arranged between each side cover plate and the support.

9. The elevator machine vibration dampening shoe of claim 8 wherein: the top surface of the end cover plate is arranged opposite to the bracket, and an end part vibration damping pad (91) is arranged between the top surface of the end cover plate and the bracket.

10. The elevator machine vibration dampening shoe of claim 1, 2 or 3 wherein: the elastic piece (5) is a cylindrical rubber spring provided with an axial through hole, and the top surface of the support plate (4) is provided with a positioning column (41) extending into the axial through hole of the rubber spring; the pressing plate (6) is provided with a through hole, and a cup-shaped pressing column (61) is connected to the through hole.