Counterweight mechanism and lifting cage

By setting counterweights and guide wheels in the lifting cage to provide tension, and by embedding the motor inside the cage, the problems of motor overload damage and high-altitude crash caused by excessive cage door weight are solved, achieving cost reduction and safety improvement.

CN223522130UActive Publication Date: 2025-11-07ZHONGJIE JIANZHAO (JIANGSU) INTELLIGENT ELEVATOR CO LTD
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Patent Information

Application Number
CN202422935934.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-07
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The problem is that the weight of the cage door of the lifting cage is too great, causing the motor to be overloaded and damaged, and the motor is located outside the cage body, making it vulnerable to damage from falling rocks.

Method used

A counterweight mechanism is used, which provides tension by setting counterweight blocks and guide wheels on the cage door, and the motor is built into the cage body, and the motor is protected by connecting ropes and protective covers.

Benefits of technology

This reduces the working pressure on the motor, decreases the risk of motor damage, lowers production costs, and improves the safety and operability of the lifting cage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a counter weight mechanism and a lifting cage, and relates to the technical field of lifting cages, the counter weight mechanism comprises a counter weight unit which comprises a fixed cylinder and a counter weight block arranged in an inner cavity of the fixed cylinder; the guide unit comprises a guide wheel arranged above the fixed cylinder and a steel cable arranged on the guide wheel; and one end of the steel cable is fixedly connected with the balancing weight. The lifting cage has the advantages that the motor is arranged on the top of the inner wall of the cage body, the cage door is pulled to ascend and descend through the connecting rope, upward pulling force is arranged on the cage door, the working pressure of the motor is reduced, the cage door can be controlled more easily in the ascending and descending process, and the lifting cage is more convenient to use. And the motor is arranged in the cage body, so that the problem that when the motor is arranged outside the cage body, stones fall off from high altitude in a working environment, and the motor is damaged can be solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lifting cage, especially a counterweight mechanism and lifting cage. BACKGROUND

[0002] Lifting cage is generally applied to construction site, when using lifting cage, the cage door is opened by the motor drive chain of external equipment, the cage door is too heavy, needs to configure the high -power motor to pull up the cage door, if the motor power is too small can lead to overload damage, and the high -power motor is equipped and can increase production cost, and when the motor external equipment is in the cage outside, the high -altitude falling stone block exists in the construction site, can lead to the problem that the stone block smashes the motor. UTILITY MODEL CONTENTS

[0003] In view of the above prior art problems, the utility model is provided.

[0004] The utility model aims at providing a counterweight mechanism, which aims to solve the problem of overload damage caused by the motor pulling too much weight during the process of pulling the cage door of the lifting cage.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a counterweight mechanism, including counterweight unit, including fixed cylinder, and counterweight block arranged in the inner cavity of the fixed cylinder;

[0006] The guide unit includes a guide wheel arranged above the fixed cylinder and a steel cable arranged on the guide wheel.

[0007] One end of the steel cable is fixedly connected with the counterweight block.

[0008] The utility model has the beneficial effects that: the counterweight block provides pulling force, and then the guide wheel acts the pulling force on the equipment to be pulled through the steel cable, and when the lifting device is pulled, the lifting device is more relaxed because of the pulling force provided by the counterweight block on the equipment, so a smaller power lifting device can be set, and the cost is reduced.

[0009] The utility model aims at providing a lifting cage, which aims to solve the problem of smashing the motor caused by the high-altitude falling stone block in the working environment when the motor external equipment is arranged outside the cage body.

[0010] To solve the above technical problems, the utility model provides the following technical scheme: a lifting cage, including wrapping unit, including cage body, and cage door arranged on both sides of the cage body;

[0011] The limiting unit is arranged between the cage body and the cage door.

[0012] The lifting unit comprises a motor arranged at the top of the inner wall of the cage body, a wire reel arranged at the output end of the motor, and a connecting rope wound on the wire reel.

[0013] The bottom of the steel cable and the connecting rope are fixedly connected with the cage door, and the fixed cylinder is fixedly connected to the outer wall of the cage door.

[0014] As a preferred scheme of the lifting cage, the limiting unit comprises guide rails arranged on the outer wall of the cage body and pulleys arranged on both sides of the cage door.

[0015] The pulleys roll in the guide rails.

[0016] As a preferred scheme of the lifting cage, the limiting unit comprises slide rails arranged on the outer wall of the cage body and sliding blocks arranged on both sides of the cage door.

[0017] The sliding blocks slide outside the slide rails.

[0018] As a preferred scheme of the lifting cage, the positioning assembly comprises positioning wheels arranged on the inner side of the cage door and through grooves arranged on the cage body.

[0019] The steel cable and the connecting rope pass through the corresponding positioning wheels.

[0020] As a preferred scheme of the lifting cage, the positioning wheels are respectively located directly below the guide wheels and the wire reel.

[0021] As a preferred scheme of the lifting cage, the steel cable and the connecting rope are externally provided with protective covers.

[0022] As a preferred scheme of the lifting cage, the outer surface of the protective cover is a circular arc surface.

[0023] As a preferred scheme of the lifting cage, the inner cavity of the cage door is fixedly connected with a wire mesh.

[0024] As a preferred scheme of the lifting cage, the motor is a reciprocating motor.

[0025] The lifting cage has the beneficial effects that the motor is arranged at the top of the inner wall of the cage body, the cage door is pulled to be lifted by the connecting rope, an upward pulling force is arranged on the cage door, the working pressure of the motor is reduced, the cage door is more easily controlled during lifting, and the motor is arranged in the cage body, so that the problem of the motor being damaged due to high-altitude falling stones in the working environment is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0027] Figure 1 It is a structural schematic diagram of the present application.

[0028] Figure 2 It is a structural schematic diagram of the cage.

[0029] Figure 3 It is a structural schematic diagram of the cage.

[0030] Figure 4 It is a partial structural sectional view of the cage.

[0031] Figure 5 It is a structural schematic diagram of the cage door. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0033] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from the description, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0034] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor does it mean an embodiment that is separate or selectively excluded from other embodiments.

[0035] Embodiment 1

[0036] Reference Figure 4 In the first embodiment of the present application, the embodiment provides a counterweight mechanism, which comprises a counterweight unit 100, a fixed cylinder 101, and a counterweight block 102 arranged in the inner cavity of the fixed cylinder 101.

[0037] The guide unit 200 comprises a guide wheel 201 arranged above the fixed cylinder 101, and a steel cable 202 arranged on the guide wheel 201.

[0038] One end of the steel cable 202 is fixedly connected with the counterweight 102.

[0039] It should be noted that the fixed cylinder 101 is fixedly installed in the fixed installation area, the inner cavity of the fixed cylinder 101 is connected in series with multiple groups of counterweights 102, the top end of the counterweight 102 is fixedly connected with the steel cable 202, the guide wheel 201 is located directly above the equipment to be pulled, the steel cable 202 is connected with the pulling equipment, and the steel cable 202 passes through the guide wheel 201.

[0040] In use, the guide wheel 201 is installed directly above the equipment to be pulled, then a proper number of counterweights 102 are connected in series and placed in the fixed cylinder 101, the steel cable 202 is connected with the counterweight 102, then the counterweight 102 is pulled to make the counterweight 102 rise, the rising height of the counterweight 102 is the movement length of the equipment to be pulled, then the steel cable 202 passes through the guide wheel 201, and the other end is fixed on the equipment to be pulled, when the equipment is pulled by the lifting device, the steel cable 202 will generate a certain pulling force on the equipment under the action of the gravity of the counterweight 102, and the lifting device will be more easily pulled.

[0041] In summary, the counterweight 102 is arranged to provide a pulling force, then the guide wheel 201 is arranged to apply the pulling force to the equipment to be pulled through the steel cable 202, and when the equipment is pulled by the lifting device, the lifting device will be more easily pulled because of the pulling force provided by the counterweight 102, and a smaller power lifting device can be arranged, thereby reducing the cost.

[0042] Embodiment 2

[0043] With reference to Figure 2 - Figure 4 In the second embodiment of the present application, the lifting cage further comprises a wrapping unit 300, which comprises a cage body 301 and cage doors 302 arranged on both sides of the cage body 301,

[0044] Specifically, the inner cavity of the cage door 302 is fixedly connected with a wire mesh 302a.

[0045] A limiting unit 400 is arranged between the cage body 301 and the cage door 302.

[0046] A lifting unit 500 comprises a motor 501 arranged on the top of the inner wall of the cage body 301, a wire reel 502 arranged on the output end of the motor 501, and a connecting rope 503 wound on the wire reel 502.

[0047] The bottom of the steel cable 202 and the connecting rope 503 are fixedly connected with the cage door 302, and the fixed cylinder 101 is fixedly connected to the outer wall of the cage door 302.

[0048] It should be noted that the both sides of the cage 301 are provided with a limiting unit 400, the cage door 302 is opened and closed at both ends of the cage 301 through the limiting unit 400, the motor 501 is fixedly connected to the inner wall top of the cage 301, the motor 501 is a reciprocating motor, a wire reel 502 is fixedly connected to the output shaft of the motor 501, a connecting rope 503 is wound on the wire reel 502, the bottom end of the connecting rope 503 is fixedly connected with the cage door 302, and the fixed cylinder 101 is fixedly installed on the outer wall of the cage door 302

[0049] Further, the positioning assembly 600 comprises a positioning wheel 601 arranged on the inner side of the cage door 302 and a through groove 602 formed on the cage 301.

[0050] The steel cable 202 and the connecting rope 503 pass through the corresponding positioning wheel 601.

[0051] It should be noted that the through groove 602 is formed on the cage 301, and the positioning wheel 601 is fixedly connected to the cage door 302, the positioning wheel 601 extends out of the through groove 602, and the positioning wheel 601 is located directly below the guide wheel 201 and the wire reel 502.

[0052] Further, the steel cable 202 and the connecting rope 503 are externally provided with a protective cover 700, and the outer surface of the protective cover 700 is a circular arc surface.

[0053] It should be noted that the protective cover 700 is arranged outside the steel cable 202 and the connecting rope 503, and the protective cover 700 is wrapped to protect them, and the outer surface of the protective cover 700 is arranged as a circular arc surface to prevent the operator from bumping the corner.

[0054] In use, the motor 501 is started to drive the wire reel 502 to rotate, the wire reel 502 winds or releases the connecting rope 503 during rotation to pull the cage door 302 to rise and fall, and during upward pulling, the steel cable 202 generates a certain pulling force on the cage door 302 under the action of the weight of the counterweight 102, and the motor 501 is more relaxed when pulling the device.

[0055] In summary, the motor 501 is arranged on the top of the inner wall of the cage 301, the cage door 302 is pulled up and down by the connecting rope 503, an upward pulling force is arranged on the cage door 302, the working pressure of the motor 501 is reduced, the cage door 302 is more easily controlled during the lifting process, and the motor 501 is arranged in the cage 301 to prevent the motor 501 from being damaged due to falling stones in the working environment when the motor 501 is arranged outside the cage 301.

[0056] Embodiment 3

[0057] Referring to Figure 1 - Figure 5 For the third embodiment based on the second embodiment of the utility model, the limiting unit 400 comprises guide rails 401 arranged on the outer wall of the cage body 301 and pulleys 402 arranged on both sides of the cage door 302.

[0058] The pulleys 402 roll in the guide rails 401.

[0059] It should be noted that the outer wall of the cage body 301 is fixedly connected with the guide rails 401, and a plurality of groups of pulleys 402 are fixedly connected on both sides of the cage door 302, and the pulleys 402 are located in the two guide rails 401 on the same side.

[0060] In use, when the cage door 302 is pulled, the pulleys 402 will roll along the guide rails 401 to provide a safe movement track for the cage door 302.

[0061] In summary, when the cage door 302 is displaced, the pulleys 402 will roll along the inner wall of the guide rails 401, and the guide rails 401 can provide a safe movement track for the cage door 302, thereby improving the safety of the lifting cage.

[0062] Embodiment 4

[0063] Referring to Figure 1 For the fourth embodiment based on the second embodiment of the utility model, the limiting unit 400 comprises slide rails arranged on the outer wall of the cage body 301 and slide blocks arranged on both sides of the cage door 302.

[0064] The slide blocks slide outside the slide rails.

[0065] It should be noted that the outer wall of the cage body 301 is fixedly connected with the slide rails, and the slide blocks are fixedly connected on both sides of the cage door 302, and the slide blocks are in sliding connection with the slide rails.

[0066] In use, when the cage door 302 is pulled, the slide blocks will slide along the outer wall of the slide rails to provide a safe movement track for the cage door.

[0067] In summary, when the cage door 302 is displaced, the slide blocks will roll along the inner wall of the slide rails, and the slide rails can provide a safe movement track for the cage door 302, thereby improving the safety of the lifting cage. Compared with embodiment 3, the pulleys 402 roll in the guide rails 401, which can reduce friction, reduce wear and tear, and increase the service life of the lifting cage.

[0068] It is important that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A counterweight mechanism characterized by: Comprising, a counterweight unit (100) comprising a fixed cylinder (101) and a counterweight block (102) arranged in the inner cavity of the fixed cylinder (101); a guide unit (200) comprising a guide wheel (201) arranged above the fixed cylinder (101) and a steel cable (202) arranged on the guide wheel (201); one end of the steel cable (202) is fixedly connected with the counterweight block (102).

2. An elevator cage, characterized by: comprise the counterweight mechanism as claimed in claim 1, and: a wrapping unit (300) comprising a cage (301) and cage doors (302) arranged on both sides of the cage (301); a limiting unit (400) arranged between the cage (301) and the cage door (302); a lifting unit (500) comprising a motor (501) arranged on the top of the inner wall of the cage (301), a wire reel (502) arranged on the output end of the motor (501), and a connecting rope (503) wound on the wire reel (502); the bottom of the steel cable (202) and the connecting rope (503) are fixedly connected with the cage door (302), and the fixed cylinder (101) is fixedly connected with the outer wall of the cage door (302).

3. The lifting cage of claim 2, wherein: the limiting unit (400) comprises a guide rail (401) arranged on the outer wall of the cage (301), and a pulley (402) arranged on both sides of the cage door (302); the pulley (402) rolls in the guide rail (401).

4. The lifting cage of claim 2, wherein: the limiting unit (400) comprises a slide rail arranged on the outer wall of the cage (301), and a sliding block arranged on both sides of the cage door (302); the sliding block slides outside the slide rail.

5. The lift cage of claim 2, wherein: Further comprising, a positioning assembly (600) comprising a positioning wheel (601) arranged on the inner side of the cage door (302) and a through groove (602) opened on the cage (301); the steel cable (202) and the connecting rope (503) pass through the corresponding positioning wheel (601).

6. The lifting cage of claim 5, wherein: the positioning wheel (601) is located directly below the guide wheel (201) and the wire reel (502), respectively.

7. The lifting cage of claim 2, wherein: the outer part of the steel cable (202) and the connecting rope (503) is provided with a protective cover (700).

8. The lifting cage of claim 7, wherein: the outer surface of the protective cover (700) is a circular arc surface.

9. The lifting cage of claim 2, wherein: the inner cavity of the cage door (302) is fixedly connected with a wire mesh (302a).

10. The lifting cage of claim 2, wherein: the motor (501) is a reciprocating motor.