CN114291703A

CN114291703A - Elevator car frame

Info

Publication number: CN114291703A
Application number: CN202210172916.XA
Authority: CN
Inventors: 蒙良勇; 陈东
Original assignee: Hitachi Elevator China Co Ltd
Current assignee: Hitachi Elevator China Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-04-08

Abstract

The invention discloses an elevator car frame, which relates to the technical field of elevators and comprises a car frame body, wherein the car frame body comprises a car bottom, a plurality of vertical columns vertically arranged on the car bottom and two mounting frames symmetrically arranged at the top ends of the vertical columns on the left side and the right side, a rope sheave beam is fixedly erected between the two mounting frames, a rope sheave device is installed in the rope sheave beam, and a pressing device for preventing the rope sheave device from axially moving is arranged on the rope sheave beam.

Description

Elevator car frame

Technical Field

The invention relates to the technical field of elevators, in particular to an elevator car frame.

Background

The car is a box-shaped space used by elevators to carry and transport people and materials. The car is generally composed of main components such as a car bottom, a car wall, a car roof, a car door and the like. Is a body part of an elevator for carrying passengers or cargo and other loads. The elevator car frame is vertical at present, the installation accuracy of the car top rope sheave of the elevator car frame is difficult to measure and adjust due to the manufacturing and assembling errors of the rope sheave beam, the verticality of the car top rope sheave, the levelness of a wheel shaft and the accuracy of the relative positions among a plurality of groups of rope sheaves, the rope sheaves are fixed by using retaining rings, axial play exists, the rope sheaves can axially float, the control of rope deflection angles of a traction rope is not facilitated, and the abrasion of the traction rope and a rope groove is easily aggravated;

the existing vertical elevator car frame is characterized in that inclined pull rods of the car frame are arranged on two sides of the car frame and are obliquely arranged, and the inclined pull rods and installation fixing parts thereof protrude out of the outer side of the car frame and occupy the space of a hoistway, so that the installation of other parts in the hoistway is influenced, and the reduction of the size of the hoistway is not facilitated;

at present, a door machine mounting bracket of the vertical elevator car frame is a long bracket which is directly communicated from the car top to the car bottom, and the production and manufacturing cost and the storage and transportation cost are higher.

Disclosure of Invention

The invention aims to solve the technical defects that in the prior art, the mounting precision of a car top rope wheel of an elevator car frame is poor, a diagonal draw bar occupies the space of a shaft, and a door machine mounting bracket is a long bracket, so that the manufacturing cost and the storage and transportation cost are high.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides an elevator sedan-chair frame, includes sedan-chair frame body, sedan-chair frame body sets up the mounting bracket on the stand top of the left and right sides including the sedan-chair at the bottom of, a plurality of vertical setting and two symmetries, erects between two mounting brackets and is fixed with the rope sheave roof beam, install the rope sheave device in the rope sheave roof beam, be provided with the closing device who prevents rope sheave device axial float on the rope sheave roof beam.

Furthermore, the rope wheel device comprises a wheel shaft fixedly arranged on the rope wheel beam, and a plurality of rope wheels are rotatably arranged on the wheel shaft side by side.

Further, closing device establishes including the cover of rope sheave one side is established and adjustable setting is in be used for compressing tightly on the rope sheave roof beam the housing clamp bolt, the housing compresses tightly the rope sheave on unified reference surface.

Further, the both ends of rope sheave roof beam are provided with respectively and are used for measuring whether qualified measurement base face of rope sheave roof beam installation, the rope sheave roof beam passes through the adjustable fixing of construction bolt on the mounting bracket, establish adjusting shim through filling up between rope sheave roof beam and the mounting bracket and adjust the levelness of rope sheave roof beam.

Furthermore, a diagonal draw bar capable of switching working states or retractable states is arranged between the rear side of the mounting frame and the rear side of the car bottom.

Further, the operating position and the retracting position are symmetrically arranged on the two sides of the car bottom, the two ends of each diagonal draw bar are fixed with the mounting frame and the car bottom through diagonal draw bar fixing pieces, the levelness of the car bottom can be adjusted when the lower end of each diagonal draw bar is fixed at the operating position, and the diagonal draw bars are in a hidden state when the lower end of each diagonal draw bar is fixed at the retracting position.

Furthermore, when the diagonal draw bar is in a hidden state, the diagonal draw bar is arranged in parallel with the upright post, and the diagonal draw bar is retracted at the side part of the upright post.

Further, two the front side symmetry of mounting bracket is provided with a quick-witted installing support of door, the bottom of quick-witted installing support of door is through oblique backup pad and mounting bracket fixed connection, forms the triangle-shaped structure.

Furthermore, a horizontal ruler for judging whether the wheel axle is horizontal is arranged on the measuring base surface.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides an elevator car frame which is provided with a car frame body, a car bottom, an upright post, a mounting frame, a rope pulley beam, a rope pulley device and a pressing device, wherein the rope pulley beam is arranged at the top of the mounting frame of the car frame body, the rope pulley device is arranged in the rope pulley beam, the rope pulley device is matched with a traction rope to form the up-down lifting of the car frame, and the pressing device is arranged on the rope pulley device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of a sheave apparatus of the present invention;

fig. 3 is a side view of the sheave apparatus of the present invention;

FIG. 4 is a schematic structural view of the diagonal member of the present invention in a retracted position;

FIG. 5 is a schematic structural view of the diagonal member of the present invention in a working position;

FIG. 6 is a top view of the diagonal members of the present invention in the retracted position;

fig. 7 is a top view of the diagonal member of the present invention in an operating position.

In the figure: 100. the elevator comprises a rope pulley beam, a wheel shaft 110, a rope pulley 120, a cushion cover 130, a cushion cover 140, a compression bolt 150, an adjusting gasket 160, a mounting bolt 200, a mounting rack 300, a stand column 400, a diagonal draw bar 410, a diagonal draw bar fixing piece 500, a gantry crane mounting bracket 510, a diagonal support plate 600 and an elevator car bottom.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 invention.

As shown in fig. 1-7, an elevator car frame comprises a car frame body, wherein the car frame body comprises a car bottom 600, a plurality of vertical columns 300 vertically arranged on the car bottom 600, and two mounting brackets 200 symmetrically arranged at the top ends of the columns 300 on the left side and the right side, a rope pulley beam 100 is fixedly arranged between the two mounting brackets 200, a rope pulley device is installed in the rope pulley beam 100, and a pressing device for preventing the rope pulley device from moving axially is arranged on the rope pulley beam 100.

The invention provides an elevator car frame which is provided with a car frame body, a car bottom 600, a stand column 300, a mounting frame 200, a rope wheel beam 100, a rope wheel device and a pressing device, wherein the rope wheel beam 100 is arranged at the top of the mounting frame 200 of the car frame body, the rope wheel device is arranged in the rope wheel beam 100, the car frame is lifted up and down by utilizing the cooperation of the rope wheel device and a traction rope, and the pressing device is arranged on the rope wheel device.

Specifically, as shown in the figure, the sheave device includes an axle 110 fixedly mounted on the sheave beam 100, and a plurality of sheaves 120 are rotatably mounted on the axle 110 side by side.

Closing device establishes including the cover the jam 130 and the adjustable setting of rope sheave 120 one side are in be used for compressing tightly on the rope sheave beam 100 the housing 130 clamp bolt 140, the jam 130 compresses tightly rope sheave 120 on unified reference surface. When the rope sheave 120 is used, the rope sheave 120 is directly matched with a hoisting rope, the pressing depth of the pressing bolt is controlled by adjusting the pressing bolt 140, the cushion cover 130 is pressed on the side part of the rope sheave 120, the rope sheave is pressed on a uniform datum plane, the axial movement of the rope sheave is avoided, and the datum of the axial position of the rope sheave is uniform.

Specifically, as shown in the figure, the both ends of rope sheave roof beam 100 are provided with respectively and are used for measuring whether qualified measurement base plane of rope sheave roof beam 100 installation, rope sheave roof beam 100 passes through the adjustable fixing of construction bolt 160 on the mounting bracket 200, establish adjusting shim 150 through the pad between rope sheave roof beam 100 and the mounting bracket 200 and adjust the levelness of rope sheave roof beam 100. The measuring base surface is used for placing a horizontal ruler for judging whether the wheel axle 110 is horizontal. When the adjusting device is used, a horizontal ruler is placed on the measuring base plane at the notch to judge whether the corresponding axle is horizontal, if not, the mounting bolt 160 is loosened, and the adjusting gasket 150 is increased or decreased between the rope pulley beam 100 and the mounting frame 200 until the axle is horizontal.

Specifically, as shown in the figure, a diagonal draw bar 400 capable of switching working states or retractable states is disposed between the rear side of the mounting frame 200 and the rear side of the platform 600. The car bottom 600 both sides portion symmetry is provided with operating position and receive and release position, the both ends of diagonal draw bar 400 through diagonal draw bar mounting 410 with mounting bracket 200 and car bottom 600 form fixedly, the tip is fixed when operating position under the diagonal draw bar 400, and is adjustable the levelness of car bottom 600, the tip is fixed when receiving and releasing the position under the diagonal draw bar 400, the diagonal draw bar 400 is in hidden state. When the diagonal draw bar 400 is in a hidden state, the diagonal draw bar 400 is arranged in parallel with the upright 300, and the diagonal draw bar 400 is retracted at the side of the upright 300. The inclined pull rods are provided with a plurality of groups of installation positions, and when the car bottom level needs to be adjusted, the inclined pull rods are installed at the working positions, and the relative position of the car bottom is adjusted by using the tension of the inclined pull rods; after the adjustment is finished, the mounting and the folding and unfolding positions beside the upright post are installed; the diagonal draw bar is retracted and fixed beside the upright column in the normal use process, so that the encroachment on the well space is effectively reduced, the installation and arrangement of other parts in the well are not influenced, the utilization rate of the well is increased, and the size of the well is reduced.

Specifically, as shown in the figure, two the front side symmetry of mounting bracket 200 is provided with a door machine installing support 500, the bottom of door machine installing support 500 passes through inclined support plate 510 and mounting bracket 200 fixed connection, forms the triangle-shaped structure. The stability of the gantry crane mounting bracket is improved, the gantry crane mounting bracket 500 is reduced in overall size and volume, and the production, manufacturing, storage and transportation costs are effectively reduced.

According to the invention, the rope pulley beam effectively overcomes the defects of poor installation precision and difficult adjustment of the rope pulley on the car roof, is convenient to install and debug, effectively controls the deflection angle of the hoisting rope, and reduces the abrasion of the hoisting rope and the rope groove; the diagonal draw bar is fixed beside the upright post in a retracting manner in the normal use process, so that the encroachment on the well space is effectively reduced, the installation arrangement of other parts in the well is not influenced, the utilization rate of the well is increased, and the size of the well is reduced; the gantry crane mounting bracket has the advantages of reduced overall size and volume, and effectively reduced production, manufacture, storage and transportation costs.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an elevator sedan-chair frame, includes the sedan-chair frame body, its characterized in that, the sedan-chair frame body includes at the bottom of the sedan-chair (600), stand (300) of a plurality of vertical settings on the sedan-chair (600) and two symmetry settings are at mounting bracket (200) on stand (300) top of the left and right sides, erects between two mounting bracket (200) and is fixed with rope sheave roof beam (100), install the rope sheave device in rope sheave roof beam (100), be provided with the closing device who prevents rope sheave device axial float on rope sheave roof beam (100).

2. The elevator car frame of claim 1, wherein said sheave means comprises an axle (110) fixedly mounted to said sheave beam (100), said axle (110) having a plurality of sheaves (120) rotatably mounted side-by-side.

3. The elevator car frame according to claim 2, wherein said compression means comprises a pad cover (130) fitted over one side of said sheave (120), and a compression bolt (140) adjustably mounted on said sheave beam (100) for compressing said pad cover (130), said pad cover (130) compressing said sheave (120) against a uniform reference surface.

4. The elevator car frame as claimed in claim 3, wherein the two ends of the rope pulley beam (100) are respectively provided with a measuring base surface for measuring whether the rope pulley beam (100) is installed qualified, the rope pulley beam (100) is adjustably fixed on the mounting frame (200) through a mounting bolt (160), and the levelness of the rope pulley beam (100) is adjusted between the rope pulley beam (100) and the mounting frame (200) through a spacer (150).

5. The elevator car frame according to claim 1, wherein a diagonal draw bar (400) capable of switching working states or folding states is arranged between the rear side of the mounting frame (200) and the rear side of the car bottom (600).

6. The elevator car frame according to claim 5, wherein working positions and retractable positions are symmetrically arranged on two sides of the car bottom (600), two ends of each diagonal draw bar (400) are fixed to the mounting frame (200) and the car bottom (600) through diagonal draw bar fixing pieces (410), the levelness of the car bottom (600) can be adjusted when the lower end of each diagonal draw bar (400) is fixed to the working positions, and the diagonal draw bars (400) are hidden when the lower end of each diagonal draw bar (400) is fixed to the retractable positions.

7. The elevator car frame according to claim 6, wherein when the diagonal draw bars (400) are hidden, the diagonal draw bars (400) are arranged in parallel with the vertical columns (300), and the diagonal draw bars (400) are retracted at the side portions of the vertical columns (300).

8. The elevator car frame as claimed in claim 1, wherein door operator mounting brackets (500) are symmetrically arranged at the front sides of the two mounting frames (200), and the bottom ends of the door operator mounting brackets (500) are fixedly connected with the mounting frames (200) through inclined support plates (510) to form a triangular structure.

9. The elevator car frame as defined in claim 4, wherein said measuring surface is configured to receive a level for determining whether the axle (110) is level.