CN216737403U

CN216737403U - Guide rail type lifting platform

Info

Publication number: CN216737403U
Application number: CN202220408721.6U
Authority: CN
Inventors: 豆传宝; 胡德旭
Original assignee: Jinan Kaijie Heavy Industry Machinery Co ltd
Current assignee: Jinan Kaijie Heavy Industry Machinery Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-06-14
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a guide rail type lifting platform, which comprises a support frame and a lifting plate, wherein the lifting plate is arranged on the support frame in a sliding manner; two ends of a lifting plate on the supporting frame are provided with stand columns, the stand columns are provided with limiting grooves, limiting blocks are elastically installed inside two sides of the lifting plate, and the limiting blocks move through magnetic attraction of electromagnets and iron blocks; a bottom plate is elastically arranged on the lifting plate; the top parts of the two ends of the supporting frame are rotatably provided with rollers, steel cables are wound on the rollers, one ends of the steel cables are connected with the rollers, and the other ends of the steel cables are connected with the lifting plate; the utility model can limit when the rope rises to a certain height, thereby reducing the tension on the rope and prolonging the service life.

Description

Guide rail type lifting platform

Technical Field

The utility model relates to the technical field of elevators, in particular to a guide rail type lifting platform.

Background

The guide rail type lifting platform needs to overhaul the traction rope after being used for a long time, so that the condition that the traction rope is broken when the lifting platform is used is avoided, and the guide rail type lifting platform on the market does not have an appliance for fixing the lifting platform at present, so that the service life of the rope is short, and the operation is troublesome during overhaul; existing lift platforms also lack an emergency brake function when the rope breaks suddenly.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a guide rail type lifting platform.

The utility model is realized by the following technical scheme:

a guide rail type lifting platform comprises a support frame and a lifting plate, wherein a notch is formed in the support frame, a guide pin matched with the notch is arranged on the lifting plate, and the guide pin is slidably arranged in the notch; the lifting device comprises a supporting frame, a lifting plate, a limiting block, a sliding rod, a limiting block and an electromagnet, wherein stand columns are arranged at two ends of the lifting plate on the supporting frame, limiting grooves are linearly arranged on the stand columns, grooves matched with the limiting grooves are formed in two sides of the lifting plate, cavities are formed in two sides of the lifting plate, through holes are formed between the grooves and the cavities, the limiting block matched with the grooves is elastically installed in the grooves, the iron block is installed in the cavities in a sliding mode and connected with the limiting block through the sliding rod, the sliding rod is installed in the through holes in a sliding mode, and the electromagnet is fixedly installed in the cavities; a bottom plate is elastically arranged on the lifting plate; the top parts of the two ends of the supporting frame are rotatably provided with rollers, steel cables are wound on the rollers, one ends of the steel cables are connected with the rollers, and the other ends of the steel cables are connected with the lifting plate; and an acceleration sensor is arranged on the lifting plate.

Preferably, a spring A is installed at the four corners between the lifting plate and the bottom plate, guide rods are arranged at the four corners of the bottom plate, and guide holes matched with the guide rods are formed in the lifting plate.

Preferably, a spring B is installed between the limiting block and the bottom of the groove, and the sliding rod is sleeved with the spring B.

Preferably, the open end of the limiting groove is provided with a chamfer.

Preferably, the roller is connected with a speed reducer.

The utility model has the beneficial effects that: the limiting block controlled by the electromagnet can be synchronously powered on in the lifting process, when the electromagnet is powered on and lifted, the electromagnet attracts the iron block, so that the limiting block is positioned in the groove, when the limiting block is lifted to a certain position, the electromagnet is synchronously powered off, the limiting block can be clamped into the limiting groove under the action of the spring to limit, and the service life of the steel cable can be prolonged due to the addition of the limiting device; the utility model can carry out emergency limit when the steel cable is broken, and the lifting plate is elastically provided with the bottom plate, thereby ensuring the safety.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is an axial view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a sectional view taken along the line a of fig. 2.

Fig. 4 is an enlarged view of a portion of fig. 3.

Fig. 5 is a sectional view taken along line B of fig. 2.

Fig. 6 is a top view of the present invention.

In the attached drawing, the device comprises a support frame 1, a support frame 2, a lifting plate 3, a stand column 4, a limiting groove 5, a groove 6, a cavity 7, a limiting block 8, a sliding rod 9, an iron block 10, an electromagnet 11, springs B and 12, a bottom plate 13, springs A and 14, a guide rod 15, a notch 15, a roller 16 and a roller.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

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

For ease of description, spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation.

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 invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model is described in detail below with reference to the attached drawing figures: the utility model discloses a guide rail type lifting platform, which comprises a support frame 1 and a lifting plate 2, and is characterized in that: the support frame 1 is provided with a notch 15, the lifting plate 2 is provided with a guide pin matched with the notch 15, and the guide pin is slidably arranged in the notch 15; the lifting device is characterized in that upright posts 3 are arranged at two ends of a lifting plate 2 on a support frame 1, limiting grooves 4 are linearly arranged on the upright posts 3, the open ends of the limiting grooves 4 are provided with chamfers so as to clamp limiting blocks 7, grooves 5 matched with the limiting grooves 4 are arranged at two sides of the lifting plate 2, cavities 5 are arranged inside two sides of the lifting plate 2, through holes are formed between the grooves 5 and the cavities 6, the limiting blocks 7 matched with the grooves 5 are elastically installed in the grooves 5, iron blocks 9 are slidably installed in the cavities 6, the iron blocks 9 are connected with the limiting blocks 7 through sliding rods 8, the sliding rods 8 are slidably installed in the through holes, and electromagnets 10 are fixedly installed in the cavities 6; a bottom plate 12 is elastically arranged on the lifting plate 2; the top parts of the two ends of the support frame 1 are rotatably provided with rollers 16, the rollers 16 are connected with a speed reducer, the rollers 16 are wound with steel cables, one end of each steel cable is connected with the roller 16, and the other end of each steel cable is connected with the lifting plate 2; and an acceleration sensor is arranged on the lifting plate 2.

Spring A13 is installed to the four corners department between lifter plate 2 and the bottom plate 12, and the four corners department of bottom plate 12 is equipped with guide bar 14, is equipped with the guiding hole with guide bar 14 matched with on the lifter plate 2, and elastically mounted's bottom plate 12 can play the cushioning effect when emergency brake stops.

A spring B11 is arranged between the limiting block 7 and the bottom of the groove 5, and a spring B11 is sleeved on the sliding rod 8.

The working principle of the utility model is as follows: when the lifting plate 2 is lifted, the speed reducer and the electromagnet 10 are synchronously electrified, the electromagnet 10 can adsorb the iron block 9, so that the limiting block 7 is positioned in the groove 5, when the lifting plate 2 is lifted to a certain height, the control system is powered off, the spring B11 can drive the limiting block 7 to be clamped into the limiting groove 4, and in the lifting process, when the lifting plate 2 is controlled to stop lifting, the lifting plate 2 can be continuously lifted to the limiting groove 4 matched with the groove; when acceleration sensor detects lifter plate 2 and descends rapidly in the lift process, control system can carry out emergency power-off to electro-magnet 10, and stopper 7 can block into in spacing groove 4 and carry out emergency brake under the spring action of spring B11, and bottom plate 12 on lifter plate 2 also can play the cushioning effect to improve the security.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a guide tracked lift platform, includes support frame (1) and lifter plate (2), its characterized in that: the supporting frame (1) is provided with a notch (15), the lifting plate (2) is provided with a guide pin matched with the notch (15), and the guide pin is slidably arranged in the notch (15); the lifting device is characterized in that two ends of a lifting plate (2) on a support frame (1) are provided with stand columns (3), limiting grooves (4) are linearly arranged on the stand columns (3), grooves (5) matched with the limiting grooves (4) are formed in two sides of the lifting plate (2), cavities (6) are formed in two sides of the lifting plate (2), through holes are formed between the grooves (5) and the cavities (6), limiting blocks (7) matched with the grooves (5) are elastically installed in the grooves (5), iron blocks (9) are slidably installed in the cavities (6), the iron blocks (9) are connected with the limiting blocks (7) through sliding rods (8), the sliding rods (8) are slidably installed in the through holes, and electromagnets (10) are fixedly installed in the cavities (6); a bottom plate (12) is elastically arranged on the lifting plate (2); the top parts of the two ends of the support frame (1) are rotatably provided with rollers (16), the rollers (16) are wound with steel cables, one end of each steel cable is connected with the roller (16), and the other end of each steel cable is connected with the lifting plate (2); and an acceleration sensor is arranged on the lifting plate (2).

2. The guideway lift platform of claim 1, wherein: the spring A (13) is installed at the four corners between the lifting plate (2) and the bottom plate (12), guide rods (14) are arranged at the four corners of the bottom plate (12), and guide holes matched with the guide rods (14) are formed in the lifting plate (2).

3. The guideway lift platform of claim 1, wherein: and a spring B (11) is arranged between the limiting block (7) and the bottom of the groove (5), and the sliding rod (8) is sleeved with the spring B (11).

4. The guideway lift platform of claim 1, wherein: and a chamfer is arranged at the opening end of the limiting groove (4).

5. The guideway lift platform of claim 1, wherein: the roller (16) is connected with a speed reducer.