CN211998351U

CN211998351U - Mounting structure and car of entablature and sedan-chair top wheel

Info

Publication number: CN211998351U
Application number: CN202020272702.6U
Authority: CN
Inventors: 郭敏伟; 徐明强; 刘威; 吴建江
Original assignee: Hangzhou Xo Lift Co Ltd
Current assignee: Hangzhou Xo Lift Co Ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-11-24
Anticipated expiration: 2030-03-06

Abstract

The application discloses an installation structure of an upper beam and a car top wheel and a car, wherein the cross section of the upper beam comprises a cross support part and upright parts connected to two opposite sides of the cross support part, and an installation chamber with an open top is defined between the cross support part and the two upright parts; the mounting structure further comprises supporting pieces which are arranged in pairs and connected with the cross supporting portion, the car top wheel is rotatably mounted between the supporting pieces in the same pair, and at least one part of the car top wheel is located in the mounting chamber. According to the mounting structure of the upper beam and the car top wheel, the space of the upper beam is fully utilized, the height of the whole car frame is reduced, and the top space of a hoistway is saved; meanwhile, the structure is simple, and the disassembly and the assembly are convenient.

Description

Mounting structure and car of entablature and sedan-chair top wheel

Technical Field

The application relates to the technical field of elevators, in particular to an upper beam and car top wheel mounting structure and a car.

Background

Currently, the rope winding ratio of passenger elevators is generally 2:1, which requires the elevators to be provided with pulleys on the car frame. The pulleys are arranged at the bottom of the car frame, so that the requirement of the top space of the shaft is reduced, the space at the bottom of the shaft is correspondingly increased, and the plane size of the shaft is increased. Therefore, the arrangement of the pulleys on the upper part of the car frame is the arrangement mode adopted by most elevators. The pulleys are generally arranged on the upper part of the car frame, so that the car top wheels and the upper beam are arranged in a superposed mode, and the arrangement mode enables the car top wheels to occupy a part of car top space, thereby increasing the requirement on the top space of the shaft.

In the prior art, the car top wheel can be arranged between two upper beams by adopting a double-upper-beam structure, so that the upper beams and the car top wheel are prevented from being highly superposed. However, in this structure, a space higher than the height of the top wheel structure must be left between the upper beam and the car roof for maintenance and replacement of the top wheel, and the space above the car roof cannot be effectively reduced. If enough space is not reserved, the whole upper beam needs to be disassembled when the car top wheel is maintained and replaced, the whole car frame can lose a suspension point due to the operation mode, great potential safety hazards are caused, and the workload is very large.

Disclosure of Invention

In order to solve the problems in the prior art, the application provides an upper beam and car top wheel mounting structure, which not only makes full use of the space of the upper beam, reduces the height of the whole car frame and saves the space at the top of a hoistway; and simple structure conveniently carries out the dismouting moreover.

The application provides an installation structure of an upper beam and a car top wheel, wherein the cross section of the upper beam comprises a cross support part and upright parts connected to two opposite sides of the cross support part, and an installation chamber with an open top is defined between the cross support part and the two upright parts;

the mounting structure further comprises supporting pieces which are arranged in pairs and connected with the cross supporting portion, the car top wheel is rotatably mounted between the supporting pieces in the same pair, and at least one part of the car top wheel is located in the mounting chamber.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, in a cross section of the upper beam, the lateral portion and the two upright portions are of a U-shaped structure.

Optionally, one or more connecting rods penetrate through the supporting pieces, each connecting rod is provided with a hanging piece which extends downwards and penetrates through the cross portion, and the bottom end of each hanging piece supports the bottom surface of the cross portion through a damping mechanism.

Optionally, the hanger is rotatably matched with the corresponding connecting rod.

Optionally, a plurality of hangers are sequentially arranged on the same connecting rod, and a spacer located between two adjacent hangers is further arranged on the connecting rod.

Optionally, the damping mechanism includes the layer board and the centre gripping is in the cushion between layer board and stull portion bottom surface, the bottom of pendant runs through in proper order the cushion with the layer board just wear out the part and install stop nut.

Optionally, the number of the car top wheels is two, the supporting members are arranged on two axial sides of each car top wheel, the reinforcing beam is fixed between the supporting members on the same side of the two car top wheels, and the wheel shaft of each car top wheel sequentially penetrates through the supporting members and the reinforcing beam on the corresponding side along the axial direction outwards.

Optionally, the top edges of the two upright portions are bent back to form a reinforcing flange, a mounting plate is connected between the two reinforcing flanges, and the cross-brace portion of the mounting plate is fixed with a guide shoe.

Optionally, the guide shoe is located in the installation chamber, and a guide rail avoidance opening corresponding to the guide shoe is formed in the cross-brace portion of the installation chamber.

The application still provides a car, including sedan-chair frame and install in the box of sedan-chair frame, the top of sedan-chair frame adopts this application mounting structure.

In summary, the mounting structure of the upper beam and the car top wheel of the application has at least one of the following technical effects:

(1) the utility model provides a mounting structure of entablature and sedan-chair top wheel sets up sedan-chair top wheel and guide shoe in the installation room of entablature, make full use of the space of entablature, has reduced the whole height of entablature and sedan-chair top wheel to the well headspace that enables the elevator needs significantly reduces, has saved construction cost.

(2) The utility model provides an upper beam and mounting structure of sedan-chair top wheel, its upper beam have the notch, make full use of the space between two guide rails for provide the bigger car of size under certain guide rail interval, satisfy customer's demand.

(3) The utility model provides an upper beam and mounting structure of sedan-chair top wheel, its simple structure, sedan-chair top wheel pass through the hanger with the upper beam and are connected, and sedan-chair top wheel can be at the installation room dismouting of upper beam, and is more simple and convenient during the maintenance, safer.

Drawings

FIG. 1 is a schematic structural view of an upper beam and ceiling wheel mounting structure according to the present application;

FIG. 2 is another perspective view of the mounting structure for the upper beam and the ceiling wheels of FIG. 1;

fig. 3 is another perspective view of the mounting structure of the upper beam and the ceiling wheel in fig. 1.

The reference numerals in the figures are illustrated as follows:

1. an upper beam; 11. a cross support portion; 12. an upright portion; 13. reinforcing and folding edges; 2. an installation chamber; 3. a support member; 4. a car top wheel; 5. a connecting rod; 6. a hanger; 7. a damping mechanism; 71. a support plate; 72. an elastic pad; 8. a spacer; 9. a limit nut; 10. a reinforcing beam; 101. mounting a plate; 102. a guide shoe; 103. the guide rail avoids the opening.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

An embodiment of the present application provides an installation structure of an upper beam 1 and a car top wheel 4, as shown in fig. 1 to 3, a cross section of the upper beam 1 includes a lateral portion 11 and upright portions 12 connected to two opposite sides of the lateral portion 11, and an installation chamber 2 with an open top is defined between the lateral portion 11 and the upright portions 12;

the mounting structure also comprises supporting pieces 3 which are arranged in pairs and connected with the cross brace parts 11, the car top wheel 4 is rotatably mounted between the supporting pieces 3, and at least one part of the car top wheel 4 is positioned in the mounting chamber 2.

In this embodiment, the opening of the installation chamber 2 surrounded by the cross brace portion 11 and the two upright portions 12 is upward, the car top wheel 4 is installed in the installation chamber 2, and at least a part of the car top wheel is located in the installation chamber 2, so that the space in the upper beam 1 is fully utilized, the height of the upper beam 1 and the car top wheel 4 which are arranged in a superposed manner is smaller than the sum of the height of the upper beam 1 and the height of the car top wheel 4, the height of the installation structure of the whole upper beam 1 and the car top wheel 4 is reduced, and the requirement of an elevator on the top space of a hoistway can be reduced.

With the mounting structure, the ceiling wheel 4 is rotatably mounted between the same pair of supporting members 3, and the supporting members 3 are connected to the wale portions 11 of the upper beam 1. Sedan-chair top wheel 4 is indirectly installed on entablature 1, when needs dismouting, can carry out the dismouting to sedan-chair top wheel 4 in installation room 2, and convenient construction need not to carry out whole dismouting to entablature 1, guarantees constructor's safety.

In another embodiment, in the cross section of the upper beam 1, the cross portion 11 and the two upright portions 12 are U-shaped. The cross portion 11 and the two upright portions 12 may be an integral structure, for example, welded; or a split structure and a riveting mode can be adopted. Only the installation requirements need to be met.

In another embodiment, one or more connecting rods 5 are inserted between the same pair of supporting members 3, each connecting rod 5 is provided with a hanger 6 extending downward and penetrating the cross portion 11, and the bottom end of the hanger 6 supports the bottom surface of the cross portion 11 through the damping mechanism 7. The interconnection between the supports 3, the links 5 and the hangers 6 can connect the top wheels 4 to the upper beam 1.

In another embodiment, the hangers 6 are in rotational engagement with the respective links 5. The hanger 6 and the connecting rod 5 are not fixedly connected, but are in rotational fit. The hanger 6 can be a slipknot bolt, a lantern ring of the slipknot bolt is sleeved on the connecting rod 5, and the hanger 6 moves relative to the lantern ring to adapt to the damping mechanism 7.

In another embodiment, a plurality of hangers 6 are sequentially arranged on the same connecting rod 5, and a spacer 8 positioned between two adjacent hangers 6 is further arranged on the connecting rod 5. Preferably, two hangers 6 are mounted on the same link 5. The spacer 8 is provided between the two hangers 6 to prevent the hangers 6 from moving along the link 5. The isolator 8 can select the nylon material, effectively reduces the noise that adjacent part collision produced.

In another embodiment, the damping mechanism 7 comprises a supporting plate 71 and an elastic pad 72 clamped between the supporting plate 71 and the bottom surface of the cross-brace portion 11, the bottom of the hanger 6 penetrates through the elastic pad 72 and the supporting plate 71 in sequence, and a stop nut 9 is mounted at the penetrating part.

The elastic pad 72 may be made of a material having an elastic effect, such as rubber. There may be a plurality of stop nuts 9 at the bottom of each hanger 6, and preferably, two stop nuts 9 are passed through the bottom of each hanger 6. The two limit nuts 9 are screwed to each other.

The elastic cushion 72 guarantees the damping effect under the condition of stress change, so that the vibration sense of the elevator in the processes of starting acceleration, stopping and decelerating can be greatly reduced, and the running comfort of the elevator is improved. Meanwhile, the elastic pad 72 can also play a certain role in sound insulation.

In order to prevent the stop nut 9 from slipping out, a cotter pin can be arranged on the top end of the hanger 6 close to the stop nut 9 in a penetrating way.

In another embodiment, there are two top wheels 4, the two axial sides of each top wheel 4 are provided with a support 3, a reinforcing beam 10 is fixed between the supports 3 on the same side of the two top wheels 4, and the axle of each top wheel 4 sequentially penetrates through the support 3 and the reinforcing beam 10 on the corresponding side along the axial direction outwards. The strength of the upper beam 1 can be improved by fixing the reinforcing beam 10 between the supports 3.

In another embodiment, the top edges of the two upright parts 12 are bent back to form reinforcing flanges 13, a mounting plate 101 is connected between the two reinforcing flanges 13, and a guide shoe 102 is fixed to the cross-brace part 11 of the mounting plate 101. The guide shoe 102 is fixed in the installation chamber 2 of the upper beam 1 through the installation plate 101, so that the installation chamber 2 has a compact structure, and the space of the upper beam 1 is fully utilized. In a positional relationship, the link 5 is disposed below the mounting plate 101, facilitating interconnection of the link 5 and the damper mechanism 7.

In another embodiment, the guide shoe 102 is located in the installation chamber 2, and the cross-brace portion 11 of the installation chamber 2 is provided with a guide-rail avoiding opening 103 corresponding to the position of the guide shoe 102. The guide rail avoidance port 103 is used for the guide rail to pass through, and the space between the guide rails is fully utilized, so that a car with a larger size is provided at a certain guide rail interval.

The application still provides a car, including sedan-chair frame and install in the box of sedan-chair frame, the mounting structure that this application provided is adopted at the top of sedan-chair frame.

The structure of the upper beam 1 and the car top wheel 4 has the structure that the car top wheel 4 and the guide shoe 102 are arranged in the installation chamber 2 of the upper beam 1, and guide rail avoiding openings 103 are formed in two sides of the upper beam 1. The car top wheel 4 is connected through the supporting pieces 3, the connecting rods 5 penetrate through the two supporting pieces 3, the isolating pieces 8 penetrate through the connecting rods 5, the connecting rods 5 penetrate through the hanging pieces 6, the hanging pieces 6 penetrate through the cross supporting portions 11, the supporting plates 71 and the elastic pads 72 of the upper beam 1 and are screwed down through the limiting nuts 9, and split pins penetrate through the end portions of the hanging pieces 6.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims

1. The mounting structure of the upper beam and the car top wheel is characterized in that the cross section of the upper beam comprises a cross support part and upright parts connected to two opposite sides of the cross support part, and a mounting chamber with an open top is formed by the cross support part and the two upright parts;

2. The upper beam and ceiling wheel mounting structure according to claim 1, wherein the cross section of the upper beam is formed in a U-shaped structure with the cross section of the upper beam and the cross section of the two upright portions.

3. The upper beam and car top wheel mounting structure according to claim 1, wherein one or more connecting rods are inserted between the same pair of supporting members, each connecting rod is provided with a hanger extending downward and penetrating the lateral portion, and the bottom end of the hanger supports the bottom surface of the lateral portion through a damping mechanism.

4. The upper beam and ceiling wheel mounting structure of claim 3, wherein the hangers are in rotational engagement with the corresponding links.

5. The upper beam and ceiling wheel mounting structure according to claim 3, wherein a plurality of hangers are arranged in sequence on the same connecting rod, and a spacer is further provided between two adjacent hangers on the connecting rod.

6. The upper beam and ceiling wheel mounting structure according to claim 3, wherein the damping mechanism comprises a support plate and an elastic pad clamped between the support plate and the bottom surface of the cross-brace portion, the bottom of the hanger sequentially penetrates through the elastic pad and the support plate, and a stop nut is mounted on a penetrating portion of the hanger.

7. The upper beam and ceiling wheel mounting structure according to claim 1, wherein there are two ceiling wheels, the support member is provided on each of both axial sides of each ceiling wheel, a reinforcing beam is fixed between the support members on the same side of the two ceiling wheels, and the axle of the ceiling wheel penetrates the support members and the reinforcing beam on the corresponding side in order axially outward.

8. The structure for mounting an upper beam and a ceiling wheel of a sedan according to claim 1, wherein the top edges of the two upright portions are bent back to form reinforcing flanges, a mounting plate is connected between the two reinforcing flanges, and guide shoes are fixed to the cross-brace portion of the mounting plate.

9. The structure of claim 8, wherein the guide shoes are provided in the mounting chamber, and the cross-brace portion of the mounting chamber is provided with a guide-rail escape opening corresponding to the guide shoes.

10. The lift car comprises a car frame and a box body arranged on the car frame, wherein the top of the car frame adopts the mounting structure as claimed in any one of claims 1 to 9.