CN223117881U - Car frame for elevator, elevator car and elevator - Google Patents

Abstract

The utility model relates to the technical field of elevators, and discloses a car frame, an elevator car and an elevator for elevators, wherein the car frame comprises: a main car frame, comprising two pairs of main columns arranged along the front-to-back direction of the car frame, an upper beam assembly connected to the upper ends of the main columns and a lower beam assembly connected to the lower ends of the main columns; each main column is provided with a guide shoe for cooperating with a guide rail; a car bottom is provided on the lower beam assembly; auxiliary crossbeams, auxiliary crossbeams are respectively provided on both sides of the main car frame, each auxiliary crossbeam is provided between the upper beam assembly and the car bottom, and connected to the main column on the side along the front-to-back direction of the main car frame, the auxiliary crossbeam has a front end extending forward from the main column and a rear end extending backward; auxiliary columns, each auxiliary crossbeam is respectively connected to an auxiliary column between the front end and the rear end of the car bottom. The solution provided by the utility model can solve the problem of overloading of freight elevators in the prior art.

Description

Cage frame for elevator, elevator cage and elevator

Technical Field

The utility model relates to the technical field of elevators, in particular to a car frame for an elevator, an elevator car and an elevator.

Background

Currently, a cargo lift is widely used as a transport means in factories, warehouses, shopping centers, hotels, airports, stations and other application occasions. In the prior art, a guide rail extending in the up-down direction is generally arranged in a lifting channel of the goods elevator, guide shoes are arranged on a lift car, the guide shoes on the lift car are in sliding connection with the guide rail in the lifting channel and slide on the guide shoes, so that the lift of the lift car of the goods elevator is guided, and the lift car can be ensured to vertically run.

However, the existing car frame structure has the defects that when the depth of a car is large, especially when heavy load cargoes are placed at the front end or the rear end of the car, unbalanced load occurs in the car, uneven stress exists in the car, the problems of inclination of the car and insufficient strength of the car exist, unbalanced load occurs in the car, the contact area between guide shoes and guide rails on the car is reduced, the contact force is increased, and the problems of poor elevator running effect, abrasion of the guide shoes and the like can be caused.

Disclosure of utility model

The embodiment of the utility model provides a car frame for an elevator, an elevator car and the elevator, which are used for solving the problems of car inclination, poor elevator running effect and the like caused by uneven stress of the car under the condition that heavy load goods are placed at the front end or the rear end of the car in the prior art.

The embodiment of the utility model also provides a car frame for an elevator, which comprises:

The main car frame comprises two pairs of main upright posts, an upper beam assembly and a lower beam assembly, wherein the two pairs of main upright posts are arranged along the front-back direction of the car frame, the upper beam assembly is connected to the upper ends of the main upright posts, and the lower beam assembly is connected to the lower ends of the main upright posts;

the car bottom is arranged on the lower beam assembly;

The auxiliary cross beams are respectively arranged on two sides of the main car frame, each auxiliary cross beam is arranged between the upper beam assembly and the car bottom, and is connected with the main upright on the side along the front-rear direction of the main car frame, and each auxiliary cross beam is provided with a front end extending forwards from the main upright and a rear end extending backwards from the main upright;

and the auxiliary upright posts are respectively connected between the front end and the rear end of each auxiliary cross beam and the car bottom.

In one embodiment, the upper beam assembly includes an upper cross beam connected to the upper ends of each pair of the main uprights and at least one upper connecting beam connecting the upper cross beams together.

In one embodiment, the upper connecting beams are provided with two pairs, two rollers for connecting the hoisting ropes are arranged between each pair of upper connecting beams, and two ends of a rotating shaft of each roller are respectively connected with the two upper connecting beams in pairs.

In one embodiment, each pair of upper connecting beams is arranged as a pair of channel steel, and each pair of channel steel is arranged back to back.

In one embodiment, safety tongs are arranged on each main upright;

And/or, each of the two sides of the main upright post is respectively provided with an inclined pull rod, one end of each inclined pull rod is connected with the main upright post, and the other end of each inclined pull rod is connected with the car bottom.

In one embodiment, the elevator car further comprises a reinforcing cage which is positioned between the two pairs of main uprights and connects the bottom and upper beam assemblies.

In one embodiment, the reinforcing cage comprises a pair of reinforcing columns located between two pairs of the main columns, a reinforcing upper beam connected with the upper ends of the pair of reinforcing columns, and a reinforcing lower beam connected with the lower ends of the pair of reinforcing columns, wherein the reinforcing upper beam is connected with the upper beam assembly, and the reinforcing lower beam is connected with the cage bottom.

In one embodiment, the reinforcing upright is provided with guide shoes;

And/or, each reinforcing upright post is provided with diagonal rods on two sides respectively, one end of each diagonal rod is connected with the reinforcing upright post, and the other end of each diagonal rod is connected with the car bottom.

An embodiment of the application also provides an elevator car comprising a car frame as described above.

An embodiment of the application also provides an elevator comprising an elevator car as described above.

According to the scheme provided by the embodiment of the application, the two pairs of main uprights are matched with the tracks in the well through the guide shoes, so that the stability of a car structure can be improved, the auxiliary cross beams are arranged to be connected with the main uprights at two sides, the auxiliary uprights are connected with the auxiliary cross beams and the car bottom, when the front end or the rear end of the car bottom bears heavier cargoes, the auxiliary uprights at the front end or the rear end lift the car bottom end part bearing the heavy objects under the action of the auxiliary cross beams, the auxiliary cross beams disperse the force to the main uprights, and then the main uprights disperse the force to the upper beam assembly, the lower beam assembly and the car bottom which are connected with the main uprights, so that the load is uniformly distributed, the problem of uneven force caused by unbalanced load of the car can be effectively avoided, and the stability of the car can be ensured.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and do not limit the utility model.

Fig. 1 is a schematic view of a car frame according to an embodiment of the prior art;

Fig. 2 is a schematic view of a car frame according to an embodiment of the present application;

Fig. 3 is a schematic view of a car frame according to another embodiment of the present application.

Reference numerals illustrate:

1 '-main portal frame, 2' -auxiliary portal frame, 1-main car frame, 11-main upright post, 12-upper beam, 13-upper connecting beam, 14-lower beam, 2-auxiliary beam, 3-auxiliary upright post, 4-roller, 5-car bottom, 6-diagonal draw bar, 7-guide shoe, 8-safety tongs, 9-reinforced car frame, 91-reinforced upright post, 92-reinforced upper beam and 93-reinforced lower beam.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be arbitrarily combined with each other.

Fig. 1 is a car frame provided in an embodiment in the prior art, and the car frame includes a main gantry 1' and auxiliary gantries 2' located at front and rear ends of the main gantry 1', during operation, the main gantry 1' slides in cooperation with a main rail in a hoistway, the auxiliary gantries 2' on two sides slide in cooperation with auxiliary rails in the hoistway, wherein the main gantry 1' is mainly stressed during operation, and the auxiliary gantry 2' only assists in operation, so that in a situation that heavy load is placed on a rear side or a front side, the car frame has the possibility of uneven stress and tilting of the car.

An embodiment of the application provides an elevator car frame comprising a main car frame 1, a car bottom 5, an auxiliary cross beam 2 and an auxiliary upright 3 as in the embodiments of fig. 2 and 3.

The main car frame 1 comprises two pairs of main uprights 11 arranged along the front-back direction of the car frame, an upper beam assembly connected to the upper ends of the main uprights 11 and a lower beam assembly connected to the lower ends of the main uprights 11, wherein guide shoes 7 matched with guide rails are arranged on each main upright 11.

The bottom 5 is arranged on the lower beam assembly.

The both sides of main sedan-chair frame 1 are provided with auxiliary cross beams 2 respectively, and every auxiliary cross beam 2 sets up between roof beam subassembly and sedan-chair bottom 5, and along the main stand 11 of the fore-and-aft direction connection place side of main sedan-chair frame 1, auxiliary cross beam 2 has the front end that stretches out forward and the rear end that stretches out backward from main stand 11.

Auxiliary upright posts 3 are respectively connected between the front end and the rear end of each auxiliary cross beam 2 and the car bottom 5.

The front-rear direction of the car frame is the front-rear direction when one end of the car frame is used as the front end and the opposite end is used as the rear end, and if the car frame is provided with the through doors, one end where one through door is located is the front end, and the other end where the other through door is located is the rear end. The two sides of the car frame are the left and right sides when facing the doorway.

According to the scheme provided by the embodiment of the application, the two pairs of main uprights 11 are arranged on the car frame, the two pairs of main uprights 11 are matched with the tracks in the hoistway through the guide shoes 7 to operate, so that the stability of the car structure can be improved, the auxiliary cross beam 2 is arranged to connect the main uprights 11 on two sides, the auxiliary uprights 3 are connected with the auxiliary cross beam 2 and the car bottom 5, when the front end or the rear end of the car bottom 5 bears heavy goods, the auxiliary uprights 3 at the front end or the rear end lift the car bottom end for bearing the heavy goods under the action of the auxiliary cross beam 2, the auxiliary cross beam 2 distributes force to each main upright 11, the main uprights 11 distribute force to the upper beam assembly, the lower beam assembly and the car bottom 5 connected with the main uprights, and the load can be uniformly distributed by the distributed force. The car frame is suitable for large-tonnage goods lifts, can effectively avoid the problem of uneven stress caused by unbalanced loading of the car, and can ensure the stability of the car. Of course, the car frame can also be used for passenger elevators.

In the example of fig. 2 and 3, the auxiliary girder 2 is arranged below the girder assembly at a position near the upper end of the main column 11, but of course the auxiliary girder 2 may also be arranged at other positions of the main column 11, for example at a position near the middle of the main column 11.

In one embodiment, as shown in fig. 2 and 3, the upper beam assembly includes an upper cross member 12 connected to the upper ends of each pair of main columns 11 and at least one upper connecting beam 13 connecting the upper cross members 12 together, the upper cross member 12 and the upper connecting beam 13 being connected to form an upper beam assembly of a frame structure.

In one embodiment the car frame is lifted by means of a hoisting machine, and the top of the car frame is provided with rollers 4 for connecting hoisting ropes. In the example of fig. 2 and 3, the rollers 4 are mounted on the upper connection beams 13, and in order to facilitate the mounting of the rollers 4 on the upper connection beams 13, in this example, the upper connection beams 13 are provided with two pairs, two rollers 4 are mounted between each pair of upper connection beams 13, and both ends of the rotation shaft of the rollers 4 are respectively connected to the two upper connection beams 13 in the pair. That is, four rollers 4 are provided at the top of the cage frame, the four rollers 4 being arranged in two rows.

By arranging four rollers 4 at the top of the car frame, a traction ratio of 8:1 or 4:1 can be achieved by different rope winding modes, wherein a traction ratio of 8:1 can be achieved under the condition that each roller of the four rollers 4 is independently bypassed by a traction rope, and a traction ratio of 4:1 can be achieved under the condition that each two rollers 4 are bypassed by the traction rope, and how to achieve the traction ratio of 8:1 or 4:1 by different rope winding modes is a technology well known to a person skilled in the art and is not repeated herein.

Each pair of upper connecting beams 13 may be a pair of channel steel, and each pair of channel steel is disposed opposite to each other, so that the connecting shaft of the roller 4 may be connected to the middle plate body of the channel steel opposite to each other.

The upper cross beams 12 may also be channel steel, as shown in fig. 2 and 3, each pair of main columns 11 corresponds to two upper cross beams 12, the two upper cross beams 12 are channel steel that is arranged back to back, each pair of channel steel is located at two sides of a pair of main columns 11, and middle plate bodies of the channel steel are fixed on the main columns 11 respectively. Wherein, guide shoes 7 are respectively arranged at two ends of the main upright 11, the guide shoes 7 can be positioned on the end face of the main upright 11 and are fixedly connected with the side plates of two channel steels serving as paired upper cross beams 12, so that the main upright 11 and the two upper cross beams 12 are fixed together through each guide shoe 7. The main column 11 may be a channel steel, and the channel steel may have an opening facing outward, and the middle plate of the channel steel serving as the upper cross member 12 may be fixedly connected to the side plate of the channel steel serving as the main column 11.

The lower beam assembly of the main car frame 1 may include a lower beam 14 connected to each pair of main columns 11, and the lower beam 14 may be a channel steel.

When the main car frame 1 is assembled, each pair of main uprights 11, an upper cross beam 12 connected to the upper ends of each pair of main uprights 11, and a lower cross beam 14 connected to the lower ends of each pair of main uprights 11 may be assembled into a square frame structure, wherein the upper parts of the two frame structures arranged front and back are connected through an upper connecting beam 13, and the lower parts of the two frame structures are fixedly connected to the lower cross beam 14 through a car bottom 5.

It should be understood that the upper beam assembly is not limited to the structure including the upper cross member 12 and the upper connecting beam 13 as described above, and may be variously modified, so long as the upper beam assembly is connected to the upper side of the main upright 11 to stabilize the main car frame 1, and the lower beam assembly is not limited to the structure of the lower cross member 14, and may be other frame structures.

In one embodiment, a safety gear 8 is provided on each main column 11, the safety gear 8 being intended to hug on the guide rail in the event of a rapid descent of the elevator. One set of safety tongs devices may be used for each of the two pairs of main uprights 11, each set of safety tongs devices comprising two safety tongs and a lifting mechanism for lifting the two safety tongs 8. The two safety tongs in each set of safety tongs are respectively arranged on the two main uprights 11 in pairs.

In one embodiment, diagonal rods 6 are respectively arranged on two sides of each main upright 11, one end of each diagonal rod 6 is connected to the main upright 11, the other end of each diagonal rod 6 is connected to the car bottom 5, and stability of the main upright 11 can be guaranteed through the diagonal rods 6.

In the case of deepening of the car, there is a problem that the strength is insufficient for the two pairs of main columns 11 supporting a longer car, and for the case of deepening of the car, as shown in fig. 3, the car frame may further include a reinforcing car frame 9, the reinforcing car frame 9 being located between the two pairs of main columns 11 (i.e., at an intermediate position between the pair of main columns 11 at the front side and the pair of main columns 11 at the rear side), and the reinforcing car frame 9 connecting the car bottom 5 and the upper beam assembly.

In the example shown in fig. 3, the reinforcing cage 9 includes a pair of reinforcing columns 91 between two pairs of main columns 11, a reinforcing upper cross member 92 connecting upper ends of the pair of reinforcing columns 91, and a reinforcing lower cross member 93 connecting lower ends of the pair of reinforcing columns 91, the reinforcing upper cross member 92 being connected to the upper beam assembly, and the reinforcing lower cross member 93 being connected to the cage bottom 5.

The frame structure formed by each pair of the reinforcing upright posts 91, the reinforcing upper cross beam 92 at the upper end of the reinforcing upright post 91 and the reinforcing lower cross beam 93 at the lower end of the reinforcing upright post 91 can be approximately the same as the frame structure formed by each pair of the main upright posts 11, the upper cross beam 12 at the upper end of the main upright posts 11 and the lower cross beam 14 at the lower end of the main upright posts 11, and can be manufactured by adopting channel steel. It will be appreciated that the reinforcing cage frame 9 may take other forms as long as it is supported between the upper beam assembly and the bottom 5 to provide reinforcement to the cage frame.

In one embodiment, the guide shoes can be arranged on the reinforcing upright post 91, and the guide rails matched with the guide shoes of the reinforcing upright post 91 are arranged in the well, so that the elevator can stably run. Of course, as shown in fig. 3, the guide shoe may not be provided on the reinforcing upright 91, and the reinforcing upright 91 only reinforces the car frame.

In the example of fig. 3, diagonal braces 6 are provided on both sides of each reinforcement upright 91, respectively, one end of the diagonal brace 6 being connected to the reinforcement upright 91 and the other end being connected to the car bottom 5.

An embodiment of the application also provides an elevator car comprising a car frame as described above.

An embodiment of the application also provides an elevator comprising an elevator car as described above.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "the sides", "the opposite", "four corners", "the periphery", "the ' mouth ' word structure", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the ' present utility model and simplifying the description, and are not to indicate or imply that the structures referred to have a specific direction, are configured and operated in a specific direction, and thus are not to be construed as limiting the present utility model.

In describing embodiments of the present utility model, unless explicitly stated or limited otherwise, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," "assembled" should be construed broadly, e.g., as being either fixedly connected or detachably connected, or integrally connected, and the terms "mounted," "connected," "fixedly connected" may be either directly or indirectly connected via an intermediate medium, or may be in communication with each other between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although the embodiments of the present utility model are described above, the embodiments are only used for facilitating understanding of the present utility model, and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is defined by the appended claims.

Claims (10)

1. A car frame for an elevator, comprising:

The main car frame comprises two pairs of main upright posts, an upper beam assembly and a lower beam assembly, wherein the two pairs of main upright posts are arranged along the front-back direction of the car frame, the upper beam assembly is connected to the upper ends of the main upright posts, and the lower beam assembly is connected to the lower ends of the main upright posts;

the car bottom is arranged on the lower beam assembly;

The auxiliary cross beams are respectively arranged on two sides of the main car frame, each auxiliary cross beam is arranged between the upper beam assembly and the car bottom, and is connected with the main upright on the side along the front-rear direction of the main car frame, and each auxiliary cross beam is provided with a front end extending forwards from the main upright and a rear end extending backwards from the main upright;

and the auxiliary upright posts are respectively connected between the front end and the rear end of each auxiliary cross beam and the car bottom.

2. The car frame of claim 1, wherein the upper beam assembly includes an upper cross beam connected to the upper ends of each pair of the main columns and at least one upper connecting beam connecting the upper cross beams together.

3. The car frame according to claim 2, wherein the upper connecting beams are provided with two pairs, two rollers for connecting the hoist ropes are installed between each pair of upper connecting beams, and both ends of a rotating shaft of the rollers are respectively connected to the two upper connecting beams in the pair.

4. The car frame of claim 3, wherein each pair of upper connecting beams is provided as a pair of channel beams, each pair of channel beams being disposed back-to-back.

5. The car frame of claim 1, wherein safety tongs are provided on each of the main uprights;

And/or, each of the two sides of the main upright post is respectively provided with an inclined pull rod, one end of each inclined pull rod is connected with the main upright post, and the other end of each inclined pull rod is connected with the car bottom.

6. The car frame of any of claims 1-5, further comprising a reinforcing car frame positioned between the two pairs of main columns and connecting the bottom and upper beam assemblies.

7. The car frame of claim 6, wherein the reinforcing car frame includes a pair of reinforcing posts between two pairs of the main posts, a reinforcing upper cross member connecting upper ends of the pair of reinforcing posts, and a reinforcing lower cross member connecting lower ends of the pair of reinforcing posts, the reinforcing upper cross member being connected to the upper beam assembly, and the reinforcing lower cross member being connected to the car bottom.

8. The car frame of claim 7, wherein the reinforcement upright is provided with guide shoes thereon;

And/or, each reinforcing upright post is provided with diagonal rods on two sides respectively, one end of each diagonal rod is connected with the reinforcing upright post, and the other end of each diagonal rod is connected with the car bottom.

9. An elevator car comprising a car frame according to any one of claims 1-8.

10. Elevator, characterized by comprising an elevator car according to claim 9.