CN112478985A

CN112478985A - Household elevator without machine room steel belt

Info

Publication number: CN112478985A
Application number: CN202011350790.8A
Authority: CN
Inventors: 杨自辉; 谭峥嵘; 黄均权; 李观亮
Original assignee: Guangzhou Guangri Elevator Industry Co Ltd
Current assignee: Guangzhou Guangri Elevator Industry Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-03-12

Abstract

The invention discloses a machine-room-free steel-belt home elevator, which comprises a counterweight guide rail and a main machine arranged at the top of the counterweight guide rail, and further comprises: the portal frame structure is arranged around the elevator car; one end of the steel belt is connected with the host, the other end of the steel belt is connected with a rope head assembly arranged at the top of the elevator shaft, the rope head assembly and the host are located on the opposite sides of the elevator shaft, and the steel belt penetrates through the portal frame structure to drive the elevator car to move up and down in the elevator shaft under the action of driving force of the host. Through the elevator structure that adopts the portal frame formula, rather than adopting knapsack formula elevator structure commonly used, and dispose assorted car guide rail and lead boots, thereby make the atress of elevator even, improve elevator life and safety in utilization, tow the elevator through the steel band simultaneously, increased the traction force to elevator car, reduced the requirement to the elevator host computer, on guaranteeing that the elevator operation is reliable and stable more basis, improve the life and the safety in utilization of elevator.

Description

Household elevator without machine room steel belt

Technical Field

The invention relates to the technical field of elevators, in particular to a machine-room-free steel belt household elevator.

Background

With the development of economy and the continuous improvement of living standard, people increasingly choose to adopt household elevators indoors. The home elevator comprises an organic room type and an inorganic room type, and the inorganic home elevator has the advantages of small occupied space, high space utilization rate, low noise and the like, so that a user generally selects the inorganic home elevator.

The elevator cage frame structure is used for distinguishing, the household elevator without the machine room is mainly divided into a knapsack type and a portal frame type, more application is performed on the household elevator without the machine room in the knapsack type, the guide rails of the elevator of the type are installed on the counterweight side, the guide wheels are installed on the upper cross beam or the cage bottom beam of the elevator cage, and the host machine of the elevator is mainly installed on the top of the hoistway by using the machine placing beam on the top layer of the hoistway for supporting or installing the host machine on the top of the hoistway by using the two guide rails for counterweight.

However, in the practical application process, the backpack type household elevator without the machine room is adopted, and the whole gravity center of the elevator car is not at the central point, so that the acting force of the elevator car on the guide shoe is unbalanced, the stress of the guide shoe is deviated, after the elevator car is used for a long time, the guide shoe is seriously abraded or deformed, and the problems of poor operation effect and poor safety are caused. In the application scene of the household elevator, due to the limited installation and use space, the installation mode with a machine room or the car frame structure cannot be adopted like a commercial elevator, and meanwhile, the installation mode of the host of the household elevator without the machine room in the prior art cannot meet the actual safe use requirement.

Disclosure of Invention

In order to solve the technical problems of the household elevator without the machine room in the prior art, the embodiment of the invention provides the household elevator without the machine room steel belt.

In order to achieve the above object, an embodiment of the present invention provides a steel band home elevator without a machine room, where the home elevator includes a counterweight guide rail and a main machine disposed on top of the counterweight guide rail, and the home elevator further includes: the portal frame structure is arranged around the elevator car; the one end of steel band with the host computer is connected, and the other end is connected with the fag end subassembly that sets up in elevator well top, the fag end subassembly with the host computer is located the opposite side of elevator well, the steel band passes the portal frame structure is in order to drive under the effect of the drive force of host computer the elevator car is in move from top to bottom in the elevator well.

Preferably, home elevator still includes car guide rail, car guide rail install in the elevator well the elevator car left and right sides, and with the portal frame structure matches the setting.

Preferably, the counterweight guide rail is mounted to a side wall of the elevator shaft and is provided on a side of any one of the car guide rails which is away from the elevator car.

Preferably, the counterweight guide rail is composed of three independent guide rails with the same height and arranged in parallel, a host installation seat is fixedly installed at the end part of the counterweight guide rail, and the host is installed on the host installation seat.

Preferably, the portal frame structure comprises an upper cross beam, a stand column, a car bottom assembly and a steel belt guide wheel; the upper cross beam consists of a bent piece and a connecting plate, the bent piece is formed by bending a single-layer steel plate and is respectively arranged on the front side and the rear side of the top of the portal frame structure, and the connecting plate is used for connecting the bent piece; the upright posts are arranged on the left side and the right side of the elevator car, the upper ends of the upright posts are connected with the upper cross beam, and the lower ends of the upright posts are connected with the car bottom assembly; the car bottom assembly is of a single-layer car bottom structure; the steel belt guide wheels are respectively arranged in the middle positions of the left side and the right side of the upper cross beam and used for guiding the passing steel belt.

Preferably, the portal frame structure further comprises a safety gear assembly mounted on one side of the portal frame structure, and the safety gear assembly comprises a lifting part, a transmission part, a safety gear and a safety gear mounting plate; the lifting part is arranged on one side of the upper cross beam; the transmission part is used for connecting the lifting part and the safety gear and transmitting the acting force of the lifting part; the safety gear mounting plate is mounted on the upright column and located in the bottom area of the portal frame structure, and the safety gear is mounted on the safety gear mounting plate.

Preferably, the gantry structure further comprises guide shoe assemblies arranged on the left side and the right side of the gantry structure, and each guide shoe assembly comprises a guide shoe and a guide shoe mounting plate; the guide shoe mounting plates are respectively mounted at the top and the bottom of the upright post; the guide shoe is arranged on the guide shoe mounting plate and matched with the car guide rail.

Preferably, the rope assembly comprises a speed limiter part, a steel belt detection part and a rope head part, and the rope head assembly is installed on the top of the car guide rail.

Preferably, the governor part comprises a governor mounting seat and a governor mounted to the governor mounting seat; the rope head part comprises a rope head mounting seat and a rope head combination, the rope head mounting seat is mounted at the top of the car guide rail and supported at the end part of the car guide rail, and the rope head combination is mounted on the rope head mounting seat and used for meshing with the end part of the steel belt; the steel belt detection component is arranged on the rope head mounting seat.

Preferably, the home elevator further comprises a distance detection device, which is installed above the rope end combination and connected with the rope end combination through rubber arranged on the rope end combination, and is used for detecting deformation information of the rubber to obtain weighing information of the elevator car.

Through the technical scheme provided by the invention, the invention at least has the following technical effects:

through the elevator structure that adopts the portal frame formula, rather than adopting knapsack formula elevator structure commonly used, and the configuration sets up assorted car guide rail and leads boots, thereby makes the atress of elevator even, improves elevator life and safety in utilization, tows the elevator through the steel band simultaneously, has increased the traction force to elevator car, thereby has reduced the requirement to the elevator host computer, on guaranteeing that the elevator operation is reliable and stable basis more, has improved the life and the safety in utilization of elevator.

Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:

fig. 1 is a schematic structural view of a steel belt home elevator without a machine room according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a home elevator without a machine room steel belt, in which a main machine is mounted on a counterweight guide rail;

fig. 3 is a schematic structural diagram of a gantry structure in a steel band home elevator without a machine room provided by an embodiment of the invention;

fig. 4 is a schematic structural view of a gantry structure in a steel band home elevator without a machine room according to another embodiment of the present invention;

fig. 5 is a schematic structural view of a head assembly in a steel band home elevator without a machine room according to an embodiment of the present invention.

Description of the reference numerals

10 counterweight guide rail 11 host installation seat

12 mount pad connecting plate 20 host

30 gantry structure 31 upper beam

311 bending piece 312 connecting plate

32 column 33 platform assembly

34 steel belt guide wheel 35 safety clamp assembly

351 pulling part 352 transmission part

353 safety gear 354 safety gear mounting plate

36 guide shoe assembly 361 guide shoe

362 guide shoe mounting plate 40 elevator car

60 head assembly 61 governor component

62 steel band detection part 63 fag end part

611 overspeed governor mount pad 612 overspeed governor

631 rope end mounting base 632 rope end combination

64 distance detection device 70 car guide rail

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.

The terms "system" and "network" in embodiments of the present invention may be used interchangeably. The "plurality" means two or more, and in view of this, the "plurality" may also be understood as "at least two" in the embodiments of the present invention. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" generally indicates that the preceding and following related objects are in an "or" relationship, unless otherwise specified. In addition, it should be understood that the terms first, second, etc. in the description of the embodiments of the invention are used for distinguishing between the descriptions and are not intended to indicate or imply relative importance or order to be construed.

Referring to fig. 1, an embodiment of the present invention provides a steel band home elevator without a machine room, where the home elevator includes a counterweight guide rail 10 and a main machine 20 disposed on top of the counterweight guide rail 10, and the home elevator further includes: a gantry structure 30 disposed around the elevator car 40; a steel belt (not shown) having one end connected to the main machine 20 and the other end connected to a rope head assembly 60 disposed at the top of the elevator shaft, the rope head assembly 60 and the main machine 20 being located at opposite sides of the elevator shaft, the steel belt passing through the gantry structure 30 to drive the elevator car 40 to move up and down in the elevator shaft under the driving force of the main machine 20.

Further, in the embodiment of the present invention, the home elevator further includes car guide rails 70, and the car guide rails 70 are installed on left and right sides of the elevator car 40 in the elevator shaft and are disposed in a manner of being matched with the gantry structure 30.

In the embodiment of the invention, the gantry-frame-type-structure machine-room-less home elevator is adopted instead of a backpack-type machine-room-less home elevator, so that the center of gravity of the whole elevator car 40 is kept at the center of gravity, the center of gravity cannot shift, and meanwhile, the corresponding car guide rails 70 can be respectively arranged on the two sides of the elevator car 40 in a matching manner, so that the guide shoes are uniformly stressed in the running process, the phenomenon of nonuniform stress on the guide shoes is effectively avoided, the service life of the guide shoes is prolonged, and the use experience of the machine-room-less home elevator is improved.

Referring to fig. 2, in the embodiment of the present invention, the counterweight guide rails 10 are mounted on the side walls of the elevator shaft and are disposed on the side of any one of the car guide rails 70 away from the elevator car 40.

Further, in the embodiment of the present invention, the counterweight guide rail 10 is composed of three independent guide rails with the same height and arranged in parallel, a host installation seat 11 is fixedly installed at an end of the counterweight guide rail 10, and the host 20 is installed on the host installation seat 11.

In the embodiment of the invention, the counterweight guide rail 10 is formed by three independent guide rails in the elevator hoistway, the heights of the three independent guide rails at the top of the formed counterweight guide rail 10 are consistent to form a plane, and the host mounting seat is arranged on the plane. The main unit 20 may be fixedly coupled to the main unit mount 11 by bolts.

In the embodiment of the invention, the three independent guide rails are adopted to support and mount the main machine 20, so that the mounting of the main machine 20 is firmer and more reliable, the requirement on the top layer of a hoistway is reduced, and the three independent guide rails are set to be consistent in height, thereby facilitating field mounting and cutting.

Referring to fig. 3, in the embodiment of the present invention, the gantry structure 30 includes an upper beam 31, a column 32, a platform assembly 33, and a steel belt guide wheel 34; the upper cross beam 31 is composed of a bending piece 311 and a connecting plate 312, the bending piece 311 is made by bending a single-layer steel plate and is respectively arranged on the front side and the rear side of the top of the portal frame structure 30, and the connecting plate 312 is used for connecting the bending piece 311; the upright posts 32 are installed at the left side and the right side of the elevator car 40, in the embodiment of the invention, the upright posts 32 can be formed by welding two angle steels and a middle steel plate, the upper ends of the upright posts 32 are connected with the upper cross beam 31, and the lower ends of the upright posts 32 are connected with the car bottom assembly 33; the car bottom component 33 is of a single-layer car bottom structure; the steel strip guide wheels 34 are respectively arranged in the middle positions of the left side and the right side of the upper cross beam 31 and used for guiding the passing steel strips.

In the embodiment of the invention, on one hand, the upper cross beam 31 with a single-layer structure is formed by bending a single-layer steel plate, so that the car top height and the occupied space of the elevator car 40 are effectively reduced, the top layer height is reduced, the space requirement of a household elevator is met better, and the applicable environment is greatly expanded; on the other hand, the car bottom adopts a single-layer car bottom structure, for example, the single-layer car bottom structure with the thickness of only 50mm is adopted, so that a deep pit required by the traditional double-layer car bottom can be further avoided, the requirement of a well space is reduced, and the installation and the maintenance are more convenient.

Referring to fig. 4, in the embodiment of the present invention, the gantry structure 30 further includes a safety gear assembly 35 installed at one side of the gantry structure 30, and the safety gear assembly 35 includes a lifting portion 351, a transmission portion 352, a safety gear 353, and a safety gear mounting plate 354; the pulling portion 351 is attached to the upper beam 31; the transmission part 352 is used for connecting the lifting part 351 and the safety gear 353 and is used for transmitting the acting force of the lifting part 351; the safety gear mounting plate 354 is mounted on the column 32 at a bottom region of the gantry structure 30, and the safety gear 353 is mounted on the safety gear mounting plate 354.

Further, in the embodiment of the present invention, the gantry structure 30 further includes guide shoe assemblies 36 mounted on the left and right sides of the gantry structure 30, and the guide shoe assemblies 36 include guide shoes 361 and guide shoe mounting plates 362; the guide shoe mounting plates 362 are respectively mounted at the top and bottom of the upright column 32; the guide shoes 361 are mounted to the guide shoe mounting plate 362 and are arranged to match the car guide rail 70.

In order to further reduce the technical problem that the safety gear is arranged at the bottom of the upright column, so that the requirement on the depth of a pit is high, the safety position of the safety gear is correspondingly optimized according to the application scene of the household elevator. In a possible embodiment, a safety gear assembly 35 is installed on one side of the gantry structure 30, the safety gear assembly 35 comprises a lifting part 351, a transmission part 352, a safety gear 353 and a safety gear installation plate 354, in order to facilitate installation and debugging of technicians, the lifting part 351 is installed on one side of the upper cross beam, in the practical application process, the technicians can stand on the top of the car to control the lifting part 351 and control the safety gear 353 through the transmission part 352 connected with the safety gear 353, so that the safety gear 353 is operated, and emergency safety operation of the elevator is realized.

In the embodiment of the invention, the guide shoe assembly 36 is arranged on the gantry structure 30 and matched with the car guide rail 70, and the gantry elevator is adopted in the invention, so that the guide shoe assembly 36 matched with the car guide rail 70 is arranged on the gantry structure 30, the stress of the guide shoe assembly 36 can be kept balanced in the running process of the elevator, the service life of the guide shoe assembly 36 is greatly prolonged, the occurrence of the situation of elevator car shaking caused by guide shoe deformation or serious abrasion is effectively reduced, and the user experience is improved.

Referring to fig. 5, in the embodiment of the present invention, the head assembly 60 includes a speed governor part 61, a steel belt detecting part 62, and a head part 63, and the head assembly 60 is mounted on the top of the car guide rail 70.

In the embodiment of the present invention, the speed governor member 61 includes a speed governor mounting seat 611 and a speed governor 612 mounted to the speed governor mounting seat 611; the rope end part 63 includes a rope end mounting seat 631 and a rope end combination 632, the rope end mounting seat 631 is mounted on the top of the car guide rail 70 and supported on the end of the car guide rail 70, the rope end combination 632 is mounted on the rope end mounting seat 631 and used for engaging the end of the steel belt; the steel strip detecting member 62 is mounted on the rope end mounting seat 631.

Further, in the embodiment of the present invention, the home elevator further includes a distance detecting device 64 installed above the rope hitch 632 and connected to the rope hitch 632 through rubber disposed on the rope hitch 632, for detecting deformation information of the rubber to obtain weighing information of the elevator car 40.

In the embodiment of the present invention, it is preferable that the proximity switch is 64 bits away from the detection device.

In the embodiment of the invention, the speed limiter part 61, the steel belt detection part 62 and the rope head part 63 are integrally arranged at the top of the car guide rail 70, so that the installation and maintenance of technicians are facilitated on the basis of not occupying too much hoistway space, the applicable scene range of the household elevator without a machine room is improved, and the use safety of the household elevator is improved.

On the other hand, through changing the fag end spring that fag end combination 632 set up among traditional home use elevator for rubber, thereby can be when guaranteeing to take advantage of the ladder comfort, utilize the deformation of rubber to detect elevator car 40's weighing information, in order to realize the function that the car was weighed, thereby can go the weighing device of elevator car 40 bottom installation, further reduce the space demand to the well bottom, reduce the space and occupy, satisfied home use elevator's installation scene's actual demand.

Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.

In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.

Claims

1. A steel band home elevator without machine room, the home elevator comprising a counterweight guide rail (10) and a main machine (20) disposed on top of the counterweight guide rail (10), characterized in that the home elevator further comprises:

a gantry structure (30) disposed around the elevator car (40);

one end of the steel belt is connected with the host (20), the other end of the steel belt is connected with a rope head assembly (60) arranged at the top of an elevator shaft, the rope head assembly (60) and the host (20) are located on the opposite sides of the elevator shaft, and the steel belt penetrates through the portal frame structure (30) to drive the elevator car (40) to move up and down in the elevator shaft under the action of the driving force of the host (20).

2. The home elevator according to claim 1, further comprising car guide rails (70), wherein the car guide rails (70) are mounted on left and right sides of the elevator car (40) in the elevator hoistway and are disposed to match the gantry structure (30).

3. Home elevator according to claim 2, characterized in that the counterweight guide rail (10) is mounted to a side wall of the elevator hoistway and is arranged on the side of any of the car guide rails (70) facing away from the elevator car (40).

4. The home elevator according to claim 3, characterized in that the counterweight guide rail (10) consists of three independent guide rails arranged in parallel and at the same height, a main machine mounting seat (11) is fixedly mounted at the end of the counterweight guide rail (10), and the main machine (20) is mounted on the main machine mounting seat (11).

5. Home elevator according to claim 1, characterized in that the gantry structure (30) comprises an upper beam (31), a column (32), a platform assembly (33) and a steel belt guide wheel (34);

the upper cross beam (31) consists of a bending piece (311) and a connecting plate (312), the bending piece (311) is formed by bending a single-layer steel plate and is respectively arranged on the front side and the rear side of the top of the portal frame structure (30), and the connecting plate (312) is used for connecting the bending piece (311);

the upright posts (32) are arranged on the left side and the right side of the elevator car (40), the upper ends of the upright posts (32) are connected with the upper cross beam (31), and the lower ends of the upright posts are connected with the car bottom assembly (33);

the car bottom component (33) is of a single-layer car bottom structure;

the steel strip guide wheels (34) are respectively arranged in the middle positions of the left side and the right side of the upper cross beam (31) and used for guiding the passing steel strips.

6. The home elevator according to claim 5, characterized in that the gantry structure (30) further comprises a safety jaw assembly (35) mounted to one side of the gantry structure (30), the safety jaw assembly (35) comprising a pulling portion (351), a transmission portion (352), a safety jaw (353) and a safety jaw mounting plate (354);

the lifting part (351) is arranged on one side of the upper cross beam (31);

the transmission part (352) is used for connecting the lifting part (351) and the safety gear (353) and transmitting the acting force of the lifting part (351);

the safety gear mounting plate (354) is arranged on the upright post (32) and located at the bottom area of the portal frame structure (30), and the safety gear (353) is arranged on the safety gear mounting plate (354).

7. The home elevator according to claim 5, wherein the gantry structure (30) further comprises guide shoe assemblies (36) mounted to left and right sides of the gantry structure (30), the guide shoe assemblies (36) comprising guide shoes (361) and guide shoe mounting plates (362);

the guide shoe mounting plates (362) are respectively mounted at the top and the bottom of the upright post (32);

the guide shoes (361) are mounted on the guide shoe mounting plate (362) and arranged to match the car guide rail (70).

8. The home elevator according to claim 2, characterized in that the head assembly (60) comprises a governor part (61), a steel belt detection part (62) and a head part (63), the head assembly (60) being mounted on top of the car guide rail (70).

9. The home elevator according to claim 8, wherein the governor member (61) comprises a governor mount (611) and a governor (612) mounted to the governor mount (611);

the rope head part (63) comprises a rope head mounting seat (631) and a rope head combination (632), the rope head mounting seat (631) is mounted on the top of the car guide rail (70) and supported on the end part of the car guide rail (70), and the rope head combination (632) is mounted on the rope head mounting seat (631) and used for clamping the end part of the steel belt;

the steel belt detection component (62) is arranged on the rope end mounting seat (631).

10. Home elevator according to claim 9, characterized in that the home elevator further comprises a distance detection device (64) mounted above the rope hitch (632) and connected to the rope hitch (632) by means of rubber arranged on the rope hitch for detecting deformation information of the rubber for obtaining weighing information of the elevator car (40).