Vibration and noise reduction car frame upper beam structure

Abstract

The utility model belongs to the field of elevators, and discloses a vibration and noise reduction car frame upper beam structure which comprises a left main upper beam and a right main upper beam, a car roof diversion sheave and a rope blocking rod are arranged between the two main upper beams, an upper protective cover is arranged between the upper ends of the two main upper beams, and a first sound insulation layer is arranged on the inner side of the upper protective cover. A lower protective cover is arranged between the lower ends of the two main upper beams, a second sound insulation layer is arranged on the inner side of the lower protective cover, auxiliary upper beams are arranged on the outer sides of the main upper beams, the tops of the auxiliary upper beams are lower than the tops of the main upper beams, and first shock absorbers are arranged between the tops of the main upper beams and the tops of the auxiliary upper beams in a clamped mode. Second shock absorbers are arranged at the front end and the rear end of each rope blocking rod respectively and clamped between the corresponding main upper beam and the corresponding auxiliary upper beam. Due to the arrangement of the first sound insulation layer, the second sound insulation layer, the first shock absorber, the second shock absorber and other structures, shock absorption and noise reduction can be effectively achieved, and interference to rest in daily life is avoided.

Description

Technical Field

[0001] The utility model relates to the field of elevators, in particular to a vibration-reducing and noise-reducing car frame upper beam structure. Background Art

[0002] As people's requirements for quality of life improve, the requirements for the noise impact of elevator operation in residential areas are also getting higher and higher. People hope that the noise and vibration generated by the elevator during operation are as small as possible, so as not to affect their daily life and rest. However, the existing elevator upper beams are generally lacking in vibration reduction and noise reduction. Utility Model Content

[0003] The utility model aims to provide a vibration-reducing and noise-reducing car frame upper beam structure to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A vibration-reducing and noise-reducing car frame upper beam structure comprises two left and right main upper beams, a car top anti-rope pulley and a rope-blocking rod are arranged between the two main upper beams, an upper protective cover is arranged between the upper ends of the two main upper beams, a first sound insulation layer is arranged on the inner side of the upper protective cover, a lower protective cover is arranged between the lower ends of the two main upper beams, a second sound insulation layer is arranged on the inner side of the lower protective cover, an auxiliary upper beam is arranged on the outer side of the main upper beam, the top position of the auxiliary upper beam is lower than the top position of the main upper beam, a first vibration damper is sandwiched between the top of the main upper beam and the top of the auxiliary upper beam, second vibration dampers are arranged at the front and rear ends of the rope-blocking rod respectively, and the second vibration damper is sandwiched between the corresponding main upper beam and the auxiliary upper beam.

[0006] Furthermore, the bottom position of the main upper beam is lower than the bottom position of the auxiliary upper beam.

[0007] Furthermore, the lower protective cover includes a lower protective cover body and lower protective cover end plates respectively arranged at the left and right ends of the lower protective cover body, the lower protective cover body is located between the bottoms of the two main upper beams, and the lower protective cover end plates are clamped between the bodies of the two main upper beams.

[0008] Furthermore, the lower protective cover is a U-shaped structure, and the shape and size of the second sound insulation layer correspond thereto.

[0009] Furthermore, the car top reverse rope pulley is located between the main bodies of the two main upper beams.

[0010] Furthermore, the main upper beam has a first mounting hole for mounting the axle of the car top return rope pulley, and the hole diameter of the first mounting hole is larger than the outer diameter of the axle.

[0011] Furthermore, a guide shoe plate is arranged between the upper ends of the two main upper beams, and the guide shoe plate avoids the upper protective cover.

[0012] Furthermore, the end of the rope blocking rod passes through the corresponding main upper beam, the second shock absorber, and the auxiliary upper beam and is locked with the auxiliary upper beam through a nut.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1) The utility model is provided with a first sound insulation layer, a second sound insulation layer, a first vibration damper, a second vibration damper and other structures, which can effectively reduce vibration and noise, and avoid interference with daily life and rest;

[0015] 2) In the utility model, the first shock absorber, the auxiliary upper beam and the lower protective cover do not increase the height of the upper beam, and the car top anti-ropes are also installed between the main bodies of the two main upper beams, so the structure is compact and the overall space utilization rate is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the end surface structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the exploded structure of the utility model.

[0019] In the figure: main upper beam 1, first mounting hole 100, auxiliary upper beam 2, car top anti-rope pulley 3, wheel axle 300, rope blocking rod 4, upper protective cover 5, first sound insulation layer 6, lower protective cover 7, lower protective cover main body 700, lower protective cover end plate 701, second sound insulation layer 8, first shock absorber 9, second shock absorber 10, guide shoe plate 11. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 3A vibration-reducing and noise-reducing car frame upper beam structure comprises two left and right main upper beams 1, a car top anti-rope wheel 3 and a rope-blocking rod 4 are arranged between the two main upper beams 1, an upper protective cover 5 is arranged between the upper ends of the two main upper beams 1, a first sound insulation layer 6 is arranged on the inner side of the upper protective cover 5, a lower protective cover 7 is arranged between the lower ends of the two main upper beams 1, a second sound insulation layer 8 is arranged on the inner side of the lower protective cover 7, an auxiliary upper beam 2 is arranged on the outer side of the main upper beam 1, the top position of the auxiliary upper beam 2 is lower than the top position of the main upper beam 1, a first vibration damper 9 is sandwiched between the top of the main upper beam 1 and the top of the auxiliary upper beam 2, second vibration dampers 10 are arranged at the front and rear ends of the rope-blocking rod 4 respectively, and the second vibration damper 10 is sandwiched between the corresponding main upper beam 1 and the auxiliary upper beam 2.

[0022] It can be understood that in the above technical solution, the utility model is provided with a first sound insulation layer 6, a second sound insulation layer 8, a first vibration damper 9, a second vibration damper 10 and other structures, which can effectively reduce vibration and noise and avoid interference with daily life and rest.

[0023] Continue reading Figure 1 In one embodiment of the utility model, a guide shoe plate 11 is arranged between the upper ends of the two main upper beams 1 , and there are two guide shoe plates 11 , which are respectively located at the front and rear ends of the upper protective cover 5 , and the guide shoe plates 11 avoid the upper protective cover 5 .

[0024] Continue reading Figure 1 and Figure 2 In one embodiment of the utility model, the car top return rope pulley 3 is located between the main bodies of the two main upper beams 1, and the bottom position of the main upper beam 1 is lower than the bottom position of the auxiliary upper beam 2, so that the auxiliary upper beam 2 and the first shock absorber 9 will not increase the height of the upper beam, thereby improving the space utilization.

[0025] Continue reading Figure 2 and Figure 3 The ends of the two rope-blocking rods 4 pass through the corresponding main upper beam 1, the second shock absorber 10, and the auxiliary upper beam 2 and are locked with the auxiliary upper beam 2 through nuts, while the second shock absorber 10 is clamped between the main upper beam 1 and the auxiliary upper beam 2.

[0026] Continue reading Figure 3 In one embodiment of the present invention, the lower protective cover 7 is a U-shaped structure, which includes a lower protective cover body 700 and lower protective cover end plates 701 respectively arranged at the left and right ends of the lower protective cover body 7, the lower protective cover body 700 is located between the bottoms of the two main upper beams 1, and the lower protective cover end plates 701 are sandwiched between the bodies of the two main upper beams 1. The shape and size of the second sound insulation layer 8 correspond thereto, and the second sound insulation layer 8 covers the inner side of the lower protective cover 7.

[0027] Continue reading Figure 3In one embodiment of the utility model, the main upper beam 1 has a first mounting hole 100 for mounting the axle 300 of the car top return rope pulley 3, and the aperture of the first mounting hole 100 is slightly larger than the outer diameter of the axle. The auxiliary upper beam 2 has a second mounting hole for mounting the axle 300 of the car top return rope pulley 3, and the aperture of the second mounting hole 100 is consistent with the outer diameter of the axle 300, so that the car top return rope pulley 3 can move within a certain range in the longitudinal direction, and transmit the vibration to the shock absorber through the auxiliary upper beam 2 when moving, thereby achieving vibration reduction.

[0028] The above-mentioned first shock absorber 9 is a conventional shock absorbing assembly, which includes a piece of shock absorbing rubber, and the upper and lower ends of the shock absorbing rubber are respectively provided with an upper mounting plate and a lower mounting plate. The upper mounting plate is connected to the top of the main upper beam 1 by fasteners, and the lower mounting plate is connected to the top of the auxiliary upper beam 2 by fasteners.

[0029] The second shock absorber 10 is a conventional shock absorbing rubber.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vibration and noise reduction car frame upper beam structure, characterized in that: The invention comprises two main upper beams (1) on the left and right, a car top reverse rope wheel (3) and a rope stop rod (4) are arranged between the two main upper beams (1), an upper protective cover (5) is arranged between the upper ends of the two main upper beams (1), a first sound insulation layer (6) is arranged on the inner side of the upper protective cover (5), a lower protective cover (7) is arranged between the lower ends of the two main upper beams (1), a second sound insulation layer (8) is arranged on the inner side of the lower protective cover (7), an auxiliary upper beam (2) is arranged on the outer side of the main upper beam (1), the top position of the auxiliary upper beam (2) is lower than the top position of the main upper beam (1), a first vibration damper (9) is sandwiched between the top of the main upper beam (1) and the top of the auxiliary upper beam (2), and second vibration dampers (10) are respectively arranged at the front and rear ends of the rope stop rod (4), and the second vibration damper (10) is sandwiched between the corresponding main upper beam (1) and the auxiliary upper beam (2).

2. The vibration and noise reduction car frame upper beam structure according to claim 1, characterized in that: The bottom position of the main upper beam (1) is lower than the bottom position of the auxiliary upper beam (2).

3. The vibration and noise reduction car frame upper beam structure according to claim 1, characterized in that: The lower protective cover (7) comprises a lower protective cover body (700) and lower protective cover end plates (701) respectively arranged at the left and right ends of the lower protective cover body (7); the lower protective cover body (700) is located between the bottoms of the two main upper beams (1); and the lower protective cover end plates (701) are clamped between the bodies of the two main upper beams (1).

4. The vibration and noise reduction car frame upper beam structure according to claim 3, characterized in that: The lower protective cover (7) is a U-shaped structure, and the shape and size of the second sound insulation layer (8) correspond thereto.

5. The vibration and noise reduction car frame upper beam structure according to claim 1, characterized in that: The car top reverse rope pulley (3) is located between the main bodies of the two main upper beams (1).

6. The vibration and noise reduction car frame upper beam structure according to claim 1, characterized in that: The main upper beam (1) has a first mounting hole (100) for mounting a wheel axle (300) of a car top reverse rope pulley (3); the hole diameter of the first mounting hole (100) is larger than the outer diameter of the wheel axle (300).

7. The vibration and noise reduction car frame upper beam structure according to claim 1, characterized in that: A guide shoe plate (11) is arranged between the upper ends of the two main upper beams (1), and the guide shoe plate (11) avoids the upper protective cover (5).

8. The vibration and noise reduction car frame upper beam structure according to claim 1, characterized in that: The end of the rope-blocking rod (4) passes through the corresponding main upper beam (1), the second shock absorber (10), and the auxiliary upper beam (2), and is locked with the auxiliary upper beam (2) through a nut.

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