Vibration isolation and noise reduction device of elevator guide rail

Abstract

The vibration isolation and noise reduction device comprises a guide rail connecting frame, a hoistway connecting frame, a first vibration reduction piece and a second vibration reduction piece, one side of the hoistway connecting frame is detachably installed on a hoistway, and the other side of the hoistway connecting frame is detachably and fixedly connected with the guide rail connecting frame. The side, close to the elevator guide rail, of the guide rail connecting frame is detachably and fixedly connected with the guide rail. A first vibration reduction cavity is formed in the side, close to the guide rail connecting frame, of the shaft connecting frame, the first vibration reduction piece is installed in the first vibration reduction cavity, and the second vibration reduction piece is installed on the guide rail connecting frame and located on the outer side of the first vibration reduction cavity. Vibration and noise transmission between the elevator guide rail and the elevator shaft wall in the elevator running process can be isolated, and the effects of vibration isolation and noise reduction are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of elevators, and particularly relates to a vibration isolation and noise reduction device for elevator guide rails. Background Art

[0002] At present, with the rapid development of real estate, the correlation between elevator shafts and buildings has attracted more and more attention. Many developers, in order to reduce the shared area of buildings, the distance between the elevator shaft installed and the wall of the building is getting closer, or directly share a wall. The vibration of the machine room host during elevator operation and the rolling vibration of the rolling guide shoes are transmitted to the indoor of the household through the guide rails of the elevator guiding device, forming room noise, and are transmitted into the elevator wall through the rigid structure, forming solid-borne sound.

[0003] Therefore, a new technology is needed to solve the problem of vibration and noise conduction between the elevator guide rail and the shaft wall in the prior art. Summary of the Utility Model

[0004] To solve the above problems in the prior art, the utility model provides a vibration isolation and noise reduction device for elevator guide rails, which can isolate the transmission of vibration and noise between the elevator guide rails and the elevator shaft wall during elevator operation, and has the effect of vibration isolation and noise reduction.

[0005] The utility model adopts the following technical solutions:

[0006] A vibration isolation and noise reduction device for elevator guide rails includes a guide rail connecting frame, a shaft connecting frame, a first vibration damping member and a second vibration damping member; one side of the shaft connecting frame close to the shaft is detachably and fixedly connected to the shaft, and the other side is detachably and fixedly connected to the guide rail connecting frame. One side of the guide rail connecting frame close to the elevator guide rail is detachably and fixedly connected to the elevator guide rail;

[0007] One side of the shaft connecting frame close to the guide rail connecting frame is provided with a first vibration damping cavity, the first vibration damping member is installed in the first vibration damping cavity, and the second vibration damping member is installed on the guide rail connecting frame and located outside the first vibration damping cavity.

[0008] As a further improvement of the technical solution of the utility model, the upper end of the first vibration damping cavity has a first opening through which the first vibration damping member can pass.

[0009] As a further improvement of the technical solution of the utility model, a partition is provided on the shaft connecting frame. One side of the partition is used to form part of the inner wall of the first vibration damping cavity, and the other side abuts against the second vibration damping member.

[0010] As a further improvement of the technical solution of the present utility model, a first accommodation groove for embedding the second damping member is provided on the hoistway connecting frame. The first accommodation groove is U-shaped. One side surface of the partition forms the bottom of the first accommodation groove. The first accommodation groove penetrates up and down and the opening faces the guide rail connecting frame.

[0011] As a further improvement of the technical solution of the present utility model, a second accommodation groove is provided on the guide rail connecting frame. The second damping member is accommodated in the second accommodation groove. The second accommodation groove is C-shaped. The opening of the second accommodation groove faces the hoistway connecting frame. The first accommodation groove and the second accommodation groove are butted to form a second damping cavity for accommodating the second damping member.

[0012] As a further improvement of the technical solution of the present utility model, two spaced upper limit parts are convexly provided at the upper end of the hoistway connecting frame, and two spaced lower limit parts are convexly provided at the lower end. First positioning parts and second positioning parts are sequentially provided at the upper and lower ends of the opening of the second accommodation groove. The first positioning part is located on the side of each upper limit part close to the hoistway and abuts against the two upper limit parts. The second positioning part is located on the side of each lower limit part close to the hoistway and abuts against the two lower limit parts.

[0013] As a further improvement of the technical solution of the present utility model, a first limit block and a second limit block are further included. The first limit blocks are respectively installed at the upper and lower ends in the second damping cavity. The second damping member is located between the first limit block and the second limit block. The second limit block is located between the two lower limit parts and the upper end is higher than the lower ends of the respective lower limit parts. The first limit block is located between the two upper limit parts and the lower end is lower than the upper ends of the respective upper limit parts.

[0014] As a further improvement of the technical solution of the present utility model, the guide rail connecting frame includes a first bracket, a second bracket and a third bracket which are sequentially connected from top to bottom. Both the first bracket and the third bracket are detachably and fixedly connected to the elevator guide rail;

[0015] The second bracket includes a first plate body, a second plate body, a third plate body, a fourth plate body and a fifth plate body which are sequentially connected to form the C-shaped second accommodation groove. The first plate body and the fifth plate body are oppositely arranged and are both parallel to the third plate body. The second plate body and the fourth plate body are parallel to each other. The first plate body forms the first positioning part, and the fifth plate body forms the second positioning part;

[0016] The upper and lower sides of the second plate body are respectively detachably and fixedly connected to the first bracket and the first limit block. The upper and lower sides of the fourth plate body are respectively detachably and fixedly connected to the second limit block and the second bracket.

[0017] As a further improvement of the technical solution of the present utility model, it further includes at least one first fixing member. The hoistway connecting frame further includes a first side plate, a second side plate, and a third side plate that are vertically arranged and sequentially connected to form a U shape. The second side plate is detachably and fixedly connected to the elevator hoistway. The two ends of the partition are respectively fixedly connected to the middle parts of the first side plate and the third side plate. The first fixing member sequentially passes through and fixes the third plate body, the second damping member, the partition, the first damping member, and the second side plate;

[0018] The two upper limit parts respectively protrude from the upper ends of the first side plate and the third side plate. There is a gap for inserting the first plate body between the two upper limit parts and the second side plate. The two lower limit parts respectively protrude from the lower ends of the first side plate and the third side plate. There is a gap for inserting the fifth plate body between the two lower limit parts and the second side plate.

[0019] As a further improvement of the technical solution of the present utility model, it further includes at least one second fixing member and at least one third fixing member. Each second fixing member sequentially passes through and fixes the first bracket, the second plate body, and the first limiting block. Each third fixing member sequentially passes through and fixes the third bracket, the fourth plate body, and the second limiting block.

[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0021] By arranging the first damping member and the second damping member between the elevator guide rail and the elevator hoistway wall, the vibration generated by the car, the vibration generated by the roller knocking on the guide rail, and the vibration generated by the machine roomless main engine can be absorbed, and the transmission effect of vibration and noise through rigid fixation can be effectively isolated, solving the vibration and noise caused by the elevator operation process in the building household, and creating a quiet and comfortable living space for the household. Moreover, the structure of this solution is simple, easy to install, has good adaptability, and can be directly matched for installation in the existing elevator hoistway. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The following further details the technology of the present utility model in conjunction with the drawings and specific embodiments:

[0023] Figure 1 is an exploded view of the overall structure of the present utility model;

[0024] Figure 2 is a schematic diagram of the connection between the overall structure of the present utility model and the elevator guide rail;

[0025] Figure 3 is a cross-sectional view of the connection between the overall structure of the present utility model and one elevator guide rail;

[0026] Figure 4 is the front view of the overall structure of the present utility model;

[0027] Figure 5 is an isometric view of the overall structure of the present utility model from one angle;

[0028] Figure 6 is an isometric view of the overall structure of the present utility model from another angle;

[0029] Figure 7 is a partial exploded view of the overall structure of the present utility model.

[0030] Reference numerals:

[0031] 1 - Hoistway connecting frame; 11 - First side plate; 12 - Second side plate; 121 - Through hole; 13 - Third side plate; 14 - Partition; 15 - First damping cavity; 16 - First accommodating groove; 17 - Upper limit portion; 18 - Lower limit portion;

[0032] 2 - Guide rail connecting frame; 21 - First bracket; 22 - Second bracket; 221 - First plate body; 222 - Second plate body; 223 - Third plate body; 224 - Fourth plate body; 225 - Fifth plate body; 23 - Third bracket; 24 - Second accommodating groove;

[0033] 3 - First damping member;

[0034] 4 - Second damping member;

[0035] 5 - First limiting block;

[0036] 6 - Second limiting block;

[0037] 7 - First fixing member;

[0038] 8 - Second fixing member;

[0039] 9 - Third fixing member;

[0040] 10 - Elevator guide rail. Detailed implementation manners

[0041] The concept, specific structure and technical effects of the present utility model will be clearly and completely described below in conjunction with the embodiments and the drawings, so as to fully understand the purpose, solution and effects of the present utility model. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The same reference numerals used in the drawings indicate the same or similar parts everywhere.

[0042] It should be noted that, unless otherwise specified, when a feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. In addition, the descriptions such as up, down, left, and right used in the present utility model are only relative to the mutual positional relationship of the components of the present utility model in the attached drawings.

[0043] Referring to Figures 1 to 7 , a vibration isolation and noise reduction device for an elevator guide rail, which can isolate the transmission of vibration and noise between the elevator guide rail and the elevator shaft wall during the operation of the elevator. It includes a guide rail connecting frame 2, a shaft connecting frame 1, a first vibration damping member 3 and a second vibration damping member 4. The first vibration damping member 3 and the second vibration damping member 4 are both vibration damping elements. The first vibration damping member 3 and the second vibration damping member 4 can respectively select vibration damping elements with different performance parameters to form a two-way vibration isolation system. One side of the shaft connecting frame 1 close to the shaft is detachably and fixedly connected to the shaft, and the other side is detachably and fixedly connected to the guide rail connecting frame 2. One side of the guide rail connecting frame close to the elevator guide rail 10 is detachably and fixedly connected to the elevator guide rail. One side of the shaft connecting frame 1 close to the guide rail connecting frame 2 is provided with a first vibration damping cavity 15, the first vibration damping member 3 is installed in the first vibration damping cavity 15, the second vibration damping member 4 is installed on the guide rail connecting frame 2 and is located outside the first vibration damping cavity 15. The first vibration damping member 3 and the second vibration damping member 4 can preferably select suitable vibration damping elements according to the actual situation. The two vibration damping elements can isolate the transmission of vibration of the guide rail during the operation of the elevator. The first vibration damping member 3 can block the transmission of vibration between the first fixing member 7 and the shaft connecting frame 1, and the second vibration damping member 4 can block the transmission of vibration between the guide rail connecting frame 2 and the shaft connecting frame 1, which can block the transmission of vibration energy and prevent the vibration energy of the elevator operation from being transmitted to the elevator shaft wall through the guide rail, having a good vibration isolation and noise reduction effect, effectively solving the interference of elevator noise on the living of residents, and providing a quiet and comfortable living environment for residents.

[0044] Since the guide rail connecting frame 2 and the shaft connecting frame 1 are detachably and fixedly connected, when the distance between the shaft wall and the elevator guide rail is different, the connection nodes between the guide rail connecting frame 2 and the shaft connecting frame 1 are different. The vibration isolation and noise reduction device of the elevator guide rail in this solution can adapt to shaft walls and elevator guide rails with different distances, has good adaptability, and has a simple structure, which is convenient for installation and disassembly.

[0045] According to the actual elevator installation structure, the guide rail connecting frame 2 in this solution can be connected to one elevator guide rail or two elevator guide rails. Different structures of the first bracket 21 and the third bracket 23 can be set according to the actual situation to facilitate the fixed connection with the elevator guide rail, so as to adapt to different elevator guide rail structures. Among them, when the guide rail connecting frame 2 is connected to one elevator guide rail, it can refer to Figure 3As shown, when the guide rail connecting frame 2 is connected to two elevator guide rails, reference can be made to Figure 1 and 2 4 - 7.

[0046] Specifically, referring to Figure 1 and 7 , the upper end of the first damping cavity 15 has a first opening through which the first damping member 3 can pass, and the first opening is arranged upward.

[0047] Specifically, referring to Figure 1 and 3 and 7, a partition 14 is provided on the hoistway connecting frame 1. One side of the partition 14 is used to form part of the inner wall of the first damping cavity 15, and the other side abuts against the second damping member 4. The setting of the partition 14 can enable the first damping member 3 and the second damping member 4 to respectively form two effective independent vibration isolation unit bodies. The first damping member 3 and the second damping member 4 can form a two-way stress structure through the separation of the partition 14, improving the effect of vibration reduction and noise reduction.

[0048] Specifically, referring to Figure 1 and 7 , the hoistway connecting frame 1 is provided with a first accommodation groove 16 for the second damping member 4 to be embedded. The first accommodation groove 16 is U-shaped. One side surface of the partition 14 forms the bottom of the first accommodation groove 16. The first accommodation groove 16 is vertically through and the opening faces the guide rail connecting frame 2.

[0049] Specifically, referring to Figure 1 and 7 , the guide rail connecting frame 2 is provided with a second accommodation groove 24. The second damping member 4 is accommodated in the second accommodation groove 24. The longitudinal section of the second accommodation groove 24 is C-shaped. The second accommodation groove 24 is horizontally or longitudinally through. The notch of the second accommodation groove 24 faces the hoistway connecting frame 1, that is, the opening of the C-shaped structure faces the hoistway connecting frame 1. The first accommodation groove 16 and the second accommodation groove 24 are butted to form a second damping cavity for accommodating the second damping member 4.

[0050] Specifically, two upper limit parts 17 are convexly provided at the upper end of the hoistway connecting frame 1, and the two upper limit parts 17 are arranged at intervals. Two lower limit parts 18 are convexly provided at the lower end, and the two lower limit parts 18 are arranged at intervals. The upper and lower ends at the notch of the second accommodation groove 24 are respectively provided with a first positioning part and a second positioning part in sequence. The first positioning part is located on the side of each upper limit part 17 close to the hoistway and abuts against the two upper limit parts 17. The second positioning part is located on the side of each lower limit part 18 close to the hoistway and abuts against the two lower limit parts 18.

[0051] Specifically, referring to Figure 1 and 2, 3, 4, and 7, the vibration isolation and noise reduction device for the elevator guide rail of this solution further includes a first limit block 5 and a second limit block 6. The first limit block 5 is respectively installed at the upper and lower ends in the second vibration damping cavity, and the second vibration damping member 4 is located between the first limit block 5 and the second limit block 6. The second limit block 6 is located between the two lower limit parts 18 and its upper end is higher than the lower ends of each of the lower limit parts 18 to form a limiting effect. The second limit block 6 is located between the two lower limit parts 18, which can limit the movement of the second limit block 6 in the direction of the connection line between the two lower limit parts 18. The first limit block 5 is located between the two upper limit parts 17 and its lower end is lower than the upper ends of each of the upper limit parts 17 to form a limiting effect. The first limit block 5 is located between the two upper limit parts 17, which can limit the movement of the first limit block 5 in the direction of the connection line between the two upper limit parts 17. Since both the first limit block 5 and the second limit block 6 are installed on the guide rail connecting frame 2, the connection structure between the guide rail connecting frame 2 and the hoistway connecting frame 1 is more stable, safe and reliable.

[0052] Specifically, referring to Figures 1 - 7 , the guide rail connecting frame 2 includes a first bracket 21, a second bracket 22 and a third bracket 23 that are sequentially connected from top to bottom. The first bracket 21 and the third bracket 23 are both detachably and fixedly connected to the elevator guide rail 10. The second bracket 22 includes a first plate body 221, a second plate body 222, a third plate body 223, a fourth plate body 224 and a fifth plate body 225 that are sequentially connected to form a C-shaped second accommodating groove 24. The distances between the sides of each upper limit part 17 far from the third plate body 223 and the third plate body 223, and between the sides of each lower limit part 18 far from the third plate body 223 and the third plate body 223 are all equal. The first plate body 221 and the fifth plate body 225 are oppositely arranged and are both parallel to the third plate body 223. The second plate body 222 and the fourth plate body 224 are parallel to each other. The first plate body 221 forms the first positioning part, and the fifth plate body 225 forms the second positioning part. The upper and lower sides of the second plate body 222 are respectively detachably and fixedly connected to the first bracket 21 and the first limit block 5. The upper and lower sides of the fourth plate body 224 are respectively detachably and fixedly connected to the second limit block 6 and the second bracket 22. During installation, the second bracket 22 can be first connected to the hoistway connecting frame 1, and then the second bracket 22 can be fixed to the first bracket 21 and the third bracket 23, so that the vibration isolation and noise reduction device for the elevator guide rail of this solution can be adapted to hoistway walls and elevator guide rails with different spacings during installation.

[0053] Specifically, referring to Figures 1 - 7, the vibration isolation and noise reduction device for the elevator guide rail of this solution further includes at least one first fixing member 7, preferably two first fixing members 7, the first fixing member 7 is preferably a bolt, and a gasket adapted to the bolt is selected according to the actual situation. The hoistway connecting frame 1 further includes a first side plate 11, a second side plate 12 and a third side plate 13 which are vertically arranged and connected in sequence to form a U-shaped shape. The second side plate 12 can be detachably and fixedly connected to the elevator hoistway by expansion bolts. The two ends of the partition plate 14 are respectively fixedly connected to the middle parts of the first side plate 11 and the third side plate 13. The parts of the first side plate 11 and the third side plate 13 close to the second shock absorber 4 form two opposite side walls of the first accommodation groove 16, and the partition plate 14 forms the bottom of the first accommodation groove 16. The connection manner between the partition plate 14 and the first side plate 11 and the third side plate 13 can be welding or integral molding. One end of each first fixing member 7 sequentially passes through and fixes the third plate body 223, the second shock absorber 4, the partition plate 14, and the first shock absorber 3. When the first fixing member 7 is a bolt, during installation, the head of the bolt is located on the side of the third plate body 223 away from the second side plate 12, and a gasket is provided between the head of the bolt and the third plate body 223. There are threaded holes on the first shock absorber 3, and two bolts are threadedly connected to the first shock absorber 3 for pre-tightening, forcing the first shock absorber 3 and the second shock absorber 4 to be pressed together. The two shock absorbing elements are connected through the bolt from front to back to form an integral shock absorbing system, and the shock absorbing effect is better. Among them, through the contact between the second bracket 22 in the guide rail connecting frame 2 and the bolt, when the bolt is tightened with a pre-tightening force, the first shock absorber 3 is driven to approach the partition plate and be pressed, the second shock absorber 4 is pressed by the third plate body 223, and the first fixing member 7 forces the two shock absorbing elements to be compressed, so that the vibration energy generated during the operation of the elevator is absorbed by the shock absorbing elements. The two shock absorbing elements have the ability of a certain bearing deformation. The cooperation of the guide rail connecting frame 2 with the first shock absorber 3, the second shock absorber 4, and the bolt forms an overall vibration isolation system. The guide rail connecting frame 2 is closely attached to the second shock absorber 4 to form a force transmission. The first shock absorber 3 and the hoistway connecting frame 1 form another cavity vibration isolation. When the first shock absorber 3 and the second shock absorber 4 respectively adopt two shock absorbing elements with different performance parameters, a two-way vibration isolation system can be formed. Among them, the first shock absorber 3 can be composed of a damping element and a metal plate. There are threaded holes on the metal plate for threaded connection with the first fixing member 7, and the metal plate is located on the side of the first shock absorber 3 close to the second side plate 12.

[0054] The two upper limit portions 17 respectively protrude upward from the upper ends of the first side plate 11 and the third side plate 13. There is a gap between each of the two upper limit portions 17 and the second side plate 12 for inserting the first plate body 221. The two lower limit portions 18 respectively protrude downward from the lower ends of the first side plate 11 and the third side plate 13. There is a gap between each of the two lower limit portions 18 and the second side plate 12 for inserting the fifth plate body 225. Horizontally, the two upper limit portions 17 are both located between the first plate body 221 and the third plate body 223, and the two lower limit portions 18 are both located between the fifth plate body 225 and the third plate body 223. The two upper limit portions 17 and the two lower limit portions 18 can limit the first plate body 221 and the fifth plate body 225 from moving away from the second side plate 12, making the connection structure between the second bracket 22 and the hoistway connection bracket 1 more stable, safe and reliable.

[0055] Specifically, the second side plate 12 is provided with through holes 121 corresponding to the first fixing members 7 one by one. One end of each first fixing member 7 away from the head can be inserted into the corresponding through hole 121. When the first fixing member 7 is a bolt, the arrangement of the through holes 121 can prevent the bolt from abutting against the second side plate 12 and hindering the screwing of the bolt.

[0056] Specifically, the vibration isolation and noise reduction device of the elevator guide rail in this solution further includes at least one second fixing member 8 and at least one third fixing member 9. The second fixing member 8 and the third fixing member 9 can both preferably be bolts. According to the actual situation, gaskets can be provided between the bolt heads of the second fixing member 8 and the first bracket 21, and between the bolt heads of the third fixing member 9 and the third bracket 23. Each of the second fixing members 8 sequentially passes through and fixes the first bracket 21, the second plate body 222, and the first limiting block 5. The first bracket 21 is provided with first long holes corresponding to the second fixing members 8 one by one. One end of each second fixing member 8 passes through a first long hole and is connected to the second bracket 22, etc. Each of the third fixing members 9 sequentially passes through and fixes the third bracket 23, the fourth plate body 224, and the second limiting block 6. The third bracket 23 is provided with second long holes corresponding to the third fixing members 9 one by one. One end of each third fixing member 9 passes through a second long hole and is connected to the second bracket 22, etc. When each of the second fixing members 8 and each of the third fixing members 9 move along the long holes, the second bracket 22 approaches or moves away from the hoistway connection bracket 1, and the distance between the hoistway wall and the elevator guide rail is different, and the positions of the fixing members in the long holes are different.

[0057] For other contents of the vibration isolation and noise reduction device of the elevator guide rail described in the present utility model, reference can be made to the prior art and will not be elaborated herein.

[0058] The above are only the preferred embodiments of the present utility model, and do not impose any formal restrictions on the present utility model. Therefore, any modifications, equivalent changes, and decorations made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A vibration isolation and noise reduction device for an elevator guide rail, characterized in that: It includes a guide rail connecting frame, a hoistway connecting frame, a first vibration damping member and a second vibration damping member, wherein one side of the hoistway connecting frame close to the hoistway is detachably fixedly connected to the hoistway, and the other side is detachably fixedly connected to the guide rail connecting frame, and one side of the guide rail connecting frame close to the elevator guide rail is detachably fixedly connected to the elevator guide rail; A first vibration damping cavity is provided on one side of the hoistway connecting frame close to the guide rail connecting frame, the first vibration damping member is installed in the first vibration damping cavity, and the second vibration damping member is installed on the guide rail connecting frame and is located outside the first vibration damping cavity.

2. The vibration isolation and noise reduction device for elevator guide rails according to claim 1, characterized in that: The upper end of the first vibration-damping chamber has a first opening through which the first vibration-damping member can pass.

3. The vibration isolation and noise reduction device for elevator guide rails according to claim 1, characterized in that: A partition is provided on the shaft connecting frame, one side of the partition is used to form a part of the inner wall of the first vibration damping cavity, and the other side of the partition is in contact with the second vibration damping member.

4. The vibration isolation and noise reduction device for elevator guide rails according to claim 3, characterized in that: The shaft connecting frame is provided with a first accommodating groove for the second vibration damping member to be embedded, the first accommodating groove is U-shaped, a side surface of the partition forms the bottom of the first accommodating groove, the first accommodating groove is through-through from top to bottom and opens toward the guide rail connecting frame.

5. The vibration isolation and noise reduction device for elevator guide rails according to claim 4, characterized in that: The guide rail connecting frame is provided with a second accommodating groove, the second vibration damping member is accommodated in the second accommodating groove, the second accommodating groove is C-shaped, the notch of the second accommodating groove faces the shaft connecting frame, and the first accommodating groove and the second accommodating groove are connected to form a second vibration damping cavity for accommodating the second vibration damping member.

6. The vibration isolation and noise reduction device for elevator guide rails according to claim 5, characterized in that: The upper end of the shaft connecting frame is protruded with two upper limit parts set at intervals, and the lower end is protruded with two lower limit parts set at intervals. The upper and lower ends of the second accommodating groove are respectively provided with a first positioning part and a second positioning part. The first positioning part is located on a side of each upper limit part close to the shaft and abuts against the two upper limit parts. The second positioning part is located on a side of each lower limit part close to the shaft and abuts against the two lower limit parts.

7. The vibration isolation and noise reduction device for elevator guide rails according to claim 6, characterized in that: It also includes a first limit block and a second limit block, the first limit block is respectively installed at the upper and lower ends of the second vibration damping cavity, the second vibration damping member is located between the first limit block and the second limit block, the second limit block is located between the two lower limit parts and the upper end is higher than the lower end of each lower limit part, and the first limit block is located between the two upper limit parts and the lower end is lower than the upper end of each upper limit part.

8. The vibration isolation and noise reduction device for elevator guide rails according to claim 7, characterized in that: The guide rail connecting frame comprises a first bracket, a second bracket and a third bracket which are sequentially connected from top to bottom, and the first bracket and the third bracket are both detachably fixedly connected to the elevator guide rail; The second bracket includes a first plate, a second plate, a third plate, a fourth plate and a fifth plate which are sequentially connected to form the second C-shaped receiving groove, the first plate and the fifth plate are arranged opposite to each other and are parallel to the third plate, the second plate and the fourth plate are parallel to each other, the first plate forms the first positioning portion, and the fifth plate forms the second positioning portion; The upper and lower sides of the second plate body are respectively detachably fixedly connected to the first bracket and the first limit block, and the upper and lower sides of the fourth plate body are respectively detachably fixedly connected to the second limit block and the second bracket.

9. The vibration isolation and noise reduction device for elevator guide rails according to claim 8, characterized in that: It further includes at least one first fixing member. The hoistway connecting frame further includes a first side plate, a second side plate, and a third side plate that are vertically arranged and connected in sequence to form a U-shaped structure. The second side plate is detachably and fixedly connected to the elevator hoistway. Two ends of the partition are respectively fixedly connected to the middle parts of the first side plate and the third side plate. The first fixing member sequentially passes through and fixes the third plate body, the second damping member, the partition, the first damping member, and the second side plate; Two upper limit portions respectively protrude from the upper ends of the first side plate and the third side plate. There are intervals for inserting the first plate body between the two upper limit portions and the second side plate. Two lower limit portions respectively protrude from the lower ends of the first side plate and the third side plate. There are intervals for inserting the fifth plate body between the two lower limit portions and the second side plate.

10. The vibration isolation and noise reduction device for elevator guide rails according to claim 8, characterized in that: It further includes at least one second fixing member and at least one third fixing member. Each second fixing member sequentially passes through and fixes the first bracket, the second plate body, and the first limiting block. Each third fixing member sequentially passes through and fixes the third bracket, the fourth plate body, and the second limiting block.

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