CN109733974B - Elevator capable of reducing roof construction quantity - Google Patents

Abstract

The invention discloses an elevator capable of reducing roof construction amount, and belongs to the field of forced driving elevators. The invention comprises a car guide rail, a host machine, a diverting pulley device, a car bottom assembly and a traction rope; the car guide rails are symmetrically arranged at two sides of the well; the host is fixed at the bottom of the well; the diverting pulley device is fixedly arranged at the upper part of the car guide rail; the car bottom assembly comprises a car bottom supporting member which can slide on the car guide rail in a reciprocating manner along the axial direction of the car guide rail; safety tongs devices and car rope hitch plates are also arranged on the left side wall and the right side wall of the car bottom supporting member; one end of the traction rope is connected to the host machine, and the other end of the traction rope passes through the diverting pulley device and then is connected with the rope hitch plate of the car. The elevator does not need to reserve a supporting beam duct and a ring beam on the top layer of the hoistway, reduces the requirement of elevator installation on the height of the top layer of the hoistway, saves the installation space of the roof, and has more stable structural stress.

Description

An elevator that can reduce the amount of roof construction

Technical field

The invention belongs to the field of forced drive elevators, and specifically relates to an elevator that can reduce the amount of roof construction.

Background technique

In order to prevent the elevator from going up or down too fast and causing an accident, safety gears are usually installed on both sides of the elevator. When the elevator runs overspeed, the speed limiter will be triggered. The speed limiter wire rope passes through the safety gear lifting mechanism to make the safety gear act. The safety gear clamps the elevator guide rail to stop the elevator car. now

In the prior art, due to the limitations of the house structure, the top height of the villa elevator shaft and the depth of the pit are both small. However, in existing villa elevators, the safety gear of the forced-drive elevator usually adopts a safety gear-mounted structure. This structure often requires a large space on the top and bottom of the hoistway. At the same time, the structure is relatively complex and the cost is high. At the same time, in order to meet the installation requirements of the anti-sheave support beam in the existing technology, beam holes need to be reserved for the anti-sheave support beam at the top of the hoistway. However, in the current villa construction, most elevator shafts have no reserved holes or the size error of the reserved holes is too large, which has a negative impact on the later elevator installation. Not only does the shaft need to be re-constructed later, but it also increases the workload of the later elevator installation. . The height of the top floor is limited, and there is no more installation space for the anti-sheave support beam and speed governor bracket. Therefore, the elevator structure needs to be redesigned.

Contents of the invention

The object of the present invention is to provide an elevator that can reduce the amount of roof construction in order to solve the problem in the prior art that the elevator structure does not match the existing villa elevator shaft. The elevator no longer needs to reserve support beam holes on the top floor of the shaft. and ring beams, which reduces the elevator installation requirements for the top height of the shaft, saves roof installation space, and makes the elevator structure more stable.

The technical solutions adopted by the present invention are as follows:

An elevator that can reduce the amount of construction on the roof, including car guide rails, a main engine, an anti-sheave device, a car bottom assembly, and a traction rope:

The car guide rails are symmetrically arranged on both sides of the hoistway;

The main machine is fixed at the bottom of the shaft;

The anti-sheave device is fixedly installed on the upper part of the car guide rail;

The car bottom assembly includes a car bottom support member. The car bottom support member can slide back and forth on the car guide rail along the axial direction of the car guide rail; the left and right walls of the car bottom support member are also provided with safety gear devices and car carriage rope head plate;

One end of the traction rope is connected to the main machine, and the other end of the traction rope passes through the anti-sheave device and is connected to the car rope head plate.

Further, the anti-sheave device includes an anti-sheave support beam assembly, and the anti-sheave support beam assembly is fixed on the upper part of the car guide rail; the left and right ends of the anti-sheave support beam assembly are hinged with the anti-sheave group; the anti-sheave support A speed limiter assembly is also provided at one end of the beam assembly.

Further, the anti-sheave support beam assembly includes short beams and long beams. The two short beams are respectively arranged on the corresponding car guide rails. The long beam is erected between the two short beams. The two anti-sheave groups are hinged on the long beams. both ends of the beam.

Further, the speed limiter assembly includes a speed limiter bracket, the speed limiter bracket is fixed on the short beam on one side, and the speed limiter is arranged on the speed limiter bracket.

Further, the traction rope includes two pieces. One traction rope passes through the left anti-sheave group A, the right anti-sheave group B, and the left anti-sheave group A in sequence, and then is connected to the left car rope head plate. The other traction rope passes through the left anti-sheave group A and the right anti-sheave group B in sequence and is connected to the right car rope head plate; the left anti-sheave group A includes three coaxially arranged anti-sheave sheaves. Sheave, the right reverse sheave group B includes two reverse sheaves arranged coaxially.

Further, car guide shoes are provided on the left and right walls of the car bottom support member. The car guide shoes are installed on the car guide rails, and the car bottom support member can be positioned on the car guide rail through the car guide shoes. The upper part slides back and forth along the axial direction of the car guide rail.

Further, the safety gear device is symmetrically arranged on both sides of the car bottom support member. The safety gear device includes a safety gear, a safety gear linkage device, and a safety gear lifting device.

In summary, due to the adoption of the above technical solutions, the beneficial effects of the present invention are:

1. In the existing villa forced drive elevator technology, the anti-sheave device is fixed on the shaft, which requires a hole for the anti-sheave support beam to be reserved at the top of the shaft. However, this requirement does not match the existing villa structural design and aesthetic design. . At the same time, the existing technology requires an additional separate design and production of a speed limiter bracket to install the speed limiter at the top of the shaft. This arrangement is inconvenient to install and increases the amount of construction. In this specific embodiment, the anti-sheave device is fixed on the upper part of the car guide rail, eliminating the support beam at the top of the hoistway in the prior art, as well as the holes reserved or added in later construction. At the same time, the speed limiter bracket is connected to the The integrated installation of the anti-sheave support beam assembly simplifies the component structure, saves installation space, and is compatible with the existing villa design. It not only reduces the amount of roof construction and no longer damages the villa wall structure, but also improves the installation efficiency. .

2. In the existing villa forced drive elevator technology, the safety gear is placed upward. This arrangement and the technical solution of fixing the anti-sheave device on the top of the hoistway have higher requirements for the top height of the villa hoistway. Therefore, in the existing technology, the installation When building a villa elevator, additional construction of the elevator shaft is often required, which increases the workload and reduces work efficiency. In this specific embodiment, the safety gear is placed downward, and the safety gear device is integrally arranged on the car bottom support member 1 at the bottom of the car, which reduces the elevator's requirements for the top height of the hoistway. That is, when designing the hoistway or installing the elevator to modify the hoistway, no need to Then consider the factor of safety gear. At the same time, placing the entire safety gear device at the bottom of the car also makes the car frame structure more stable.

Description of the drawings

Figure 1 is an overall schematic diagram of the present invention;

Figure 2 is a schematic diagram of the car bottom support member of the present invention (the car bottom plate is unfolded);

Figure 3 is a schematic diagram of the anti-sheave device of the present invention;

Figure 4 is a schematic diagram of the traction rope winding of the present invention;

Markings in the figure: 1-car guide rail, 2-main machine, 3-anti-sheave device, 301-anti-sheave group, 301A-left anti-sheave group, 301B-right anti-sheave group, 302-short beam , 303-long beam, 304-speed governor bracket, 305-speed governor, 4-car bottom assembly, 401-car bottom support member, 4021-safety gear, 4022-safety gear linkage device, 403-car rope head Plate, 404-car guide shoe.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with examples. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

An elevator that can reduce the construction workload on the roof includes a car guide rail 1, a main machine 2, an anti-sheave device 3, a car bottom assembly 4, and a traction rope.

Among them, the car guide rail 1 includes two guide rails with a T-shaped cross section, and the two guide rails are symmetrically arranged on both sides of the hoistway; the car guide rail 1 is fixedly installed in the hoistway through a guide rail bracket.

The main machine 2 is fixed at the bottom of the hoistway, and the main machine 1 is arranged between the car guide rail 1 on one side and the hoistway wall.

Different from the prior art in which the anti-sheave device is fixed on the top of the hoistway, in this embodiment, the anti-sheave device 3 is fixed on the upper part of the car guide rail 1 . The anti-sheave device 3 includes an anti-sheave support beam assembly, and the anti-sheave support beam assembly is fixed on the upper part of the car guide rail 1. The anti-sheave support beam assembly includes two short beams 302 and two long beams 303. The two short beams 302 are horizontally symmetrically arranged on the corresponding car guide rail 1, and the long beam 303 is horizontally erected between the two short beams 302. . The long beam 303 and the short beam 302 are fixed by bolt and nut assemblies. The long beam 302 includes two symmetrically arranged channel steels. The reverse sheave group 301 is arranged between the two channel steels. The channel steels not only play a supporting role, but also serve as a rope retaining plate, which helps to secure the traction rope. Operational stability to prevent detachment. Two sets of reverse sheave groups 301 are hinged to both ends of the long beam 303. Among them, the left side reverse sheave group 301A includes three coaxially arranged reverse sheaves, and the right side reverse sheave group 301B includes two coaxially arranged reverse sheaves. Specifically, the anti-rope pulley is sleeved on the anti-rope pulley shaft, a winding groove is formed on the anti-rope pulley, and the traction rope is wound in the winding groove.

The speed limiter assembly includes a speed limiter bracket 304. The speed limiter bracket 304 is fixed on one side of the short beam 302. The speed limiter bracket 304 is provided with a speed limiter 305.

In the existing villa forced drive elevator technology, the anti-sheave device is fixed on the shaft, which requires a hole for the anti-sheave support beam to be reserved at the top of the shaft. However, this requirement does not match the existing villa structural design and aesthetic design. At the same time, the existing technology requires an additional separate design and production of a speed limiter bracket to install the speed limiter at the top of the shaft. This arrangement is inconvenient to install and increases the amount of construction. In this specific embodiment, the anti-sheave device is fixed on the upper part of the car guide rail, eliminating the support beam at the top of the hoistway in the prior art, as well as the holes reserved or added during later construction. At the same time, the speed governor bracket is connected to the The integrated installation of the anti-sheave support beam assembly simplifies the component structure, saves installation space, and is compatible with the existing villa design. It not only reduces the amount of roof construction and no longer damages the villa wall structure, but also improves the installation efficiency. .

The car bottom assembly 4 includes a car bottom support member 401. This specific embodiment is not limited to the car bottom support member 401. A car bottom bracket with a frame structure composed of plate, channel steel, I-beam, etc. may be used, or it may be a bottom bracket. Liang. Taking the car bottom bracket as an example, car guide shoes 404 are symmetrically arranged on the left and right walls of the car bottom support member 401. The car guide shoes 404 are installed on the car guide rail 1, and the car bottom support member 401 The car guide shoes 404 can slide back and forth on the car guide rail 1 along the axial direction of the car guide rail 1 . At the same time, safety gear devices are also symmetrically arranged on both sides of the car bottom support member 1. The safety gear device includes a safety gear 4021, a safety gear linkage device 4022, and a safety gear lifting device. The safety gear linkage device 4022 is provided inside the car bottom.

In the existing villa forced drive elevator technology, the safety gear is placed upward. This arrangement and the technical solution of fixing the anti-sheave device on the top of the hoistway have higher requirements for the top height of the villa hoistway. Therefore, in the existing technology, it is difficult to install the villa elevator. Sometimes, additional construction of the elevator shaft is often required, which increases the workload and reduces work efficiency. In this specific embodiment, the safety gear is placed downward, and the safety gear device is integrally arranged on the car bottom support member 1 at the bottom of the car, which reduces the elevator's requirements for the top height of the hoistway. That is, when designing the hoistway or installing the elevator to modify the hoistway, no need to Then consider the factor of safety gear. At the same time, placing the entire safety gear device at the bottom of the car also makes the car frame structure more stable.

The traction rope consists of two ropes, usually steel wire ropes. One end of the traction rope is connected to the host machine 1. A traction rope passes through the left reverse sheave group 301A, the right reverse sheave group 301B, and the left reverse sheave group 301A in sequence and is connected to the left car rope head plate. , the other traction rope passes through the left anti-sheave group 301A and the right anti-sheave group 301B in turn and is connected to the right car rope head plate. Two traction ropes are required to comply with the national standards to ensure the safety performance of the elevator.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (3)

1. An elevator capable of reducing roof construction amount, which is characterized in that: comprises a car guide rail (1), a main machine (2), a diverting pulley device (3), a car bottom assembly (4) and a traction rope; the car guide rails (1) are symmetrically arranged at two sides of a hoistway; the host machine (2) is fixed at the bottom of the well; the diverting pulley device (3) is fixedly arranged at the upper part of the car guide rail (1); the car bottom assembly (4) comprises a car bottom supporting member (401), wherein the car bottom supporting member (401) can slide on the car guide rail (1) in a reciprocating manner along the axial direction of the car guide rail (1); the left side wall and the right side wall of the car bottom supporting member (401) are also provided with safety tongs devices and car rope hitch plates (403); one end of the traction rope is connected to the host machine (2), and the other end of the traction rope passes through the diverting pulley device (3) and is connected with the car rope head plate (403);

the diverting pulley device (3) comprises a diverting pulley support beam assembly which is fixed on the upper part of the car guide rail (1); the left end and the right end of the diverting pulley support beam assembly are hinged with diverting pulley sets (301); one end of the diverting pulley support beam assembly is also provided with a speed limiter assembly;

the diverting pulley support beam assembly comprises short beams (302) and long beams (303), wherein the two short beams (302) are respectively and horizontally arranged on corresponding car guide rails (1), the long beams (303) are erected between the two short beams (302), and two groups of diverting pulley sets (301) are hinged to two ends of the long beams (303);

the speed limiter assembly comprises a speed limiter bracket (304), wherein the speed limiter bracket (304) is fixed on a short beam (302) at one side, and a speed limiter (305) is arranged on the speed limiter bracket (304);

the traction ropes comprise two traction ropes, one traction rope sequentially passes through a left side reverse rope wheel group (301A), a right side reverse rope wheel group (301B) and a left side reverse rope wheel group (301A) and then is connected with a left side car rope head plate, and the other traction rope sequentially passes through the left side reverse rope wheel group (301A) and the right side reverse rope wheel group (301B) and then is connected with a right side car rope head plate; the left side diverting pulley set (301A) comprises three diverting pulleys arranged coaxially, and the right side diverting pulley set (301B) comprises two diverting pulleys arranged coaxially.

2. An elevator for reducing the amount of roof construction according to claim 1, wherein: the car bottom supporting member is characterized in that car guide shoes (404) are arranged on the left side wall and the right side wall of the car bottom supporting member (401), the car guide shoes (404) are arranged on the car guide rail (1), and the car bottom supporting member can slide back and forth on the car guide rail (1) along the axial direction of the car guide rail (1) through the car guide shoes (404).

3. An elevator for reducing the amount of roof construction according to claim 2, characterized in that: the safety tongs devices are symmetrically arranged on two sides of the car bottom supporting member, and each safety tongs device comprises a safety tongs (4021), a safety tongs linkage device (4022) and a safety tongs lifting device.