CN112520604A - Tower crane elevator - Google Patents

Tower crane elevator Download PDF

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Publication number
CN112520604A
CN112520604A CN202011618515.XA CN202011618515A CN112520604A CN 112520604 A CN112520604 A CN 112520604A CN 202011618515 A CN202011618515 A CN 202011618515A CN 112520604 A CN112520604 A CN 112520604A
Authority
CN
China
Prior art keywords
car
safety
tower crane
elevator
rack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011618515.XA
Other languages
Chinese (zh)
Inventor
张起玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011618515.XA priority Critical patent/CN112520604A/en
Publication of CN112520604A publication Critical patent/CN112520604A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02Cages, i.e. cars
    • B66B11/0226Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02Cages, i.e. cars
    • B66B11/026Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
    • B66B11/0266Passive systems
    • B66B11/0273Passive systems acting between car and supporting frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043Devices enhancing safety during maintenance
    • B66B5/005Safety of maintenance personnel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043Devices enhancing safety during maintenance
    • B66B5/005Safety of maintenance personnel
    • B66B5/0081Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00Kinds or types of lifts in, or associated with, buildings or other structures

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

The invention discloses a tower crane elevator, which comprises a lift car and a motor arranged on the lift car, wherein a rack and pinion track is vertically arranged on a standard knot of a tower crane, the lift car moves up and down along the rack and pinion track, and a guide wheel set matched with the rack and pinion track is arranged on the side wall of the lift car; an overhaul platform with safety guardrails arranged on the periphery is arranged above the top of the lift car; a car door with an interlocking protection switch is arranged on one side wall of the car; the top of the lift car is provided with a safety skylight which is communicated with the maintenance platform and is provided with an interlocking protection switch; the two interlocking protection switches are respectively connected with the controller, and when any one of the interlocking protection switches on the car door and the safety skylight is detected to be in an open state, the controller controls the car to be in a stop state. The elevator and the tower crane are combined, the standard space is used as an elevator running channel, the elevator safety and reliability are realized, the working efficiency is high, the labor intensity is low, and safety accidents and property loss are reduced.

Description

Tower crane elevator
Technical Field
The invention belongs to the technical field of building construction equipment, and particularly relates to a tower crane elevator.
Background
At present, operating personnel, maintainers, inspection, detection and safety management personnel of the tower crane need to crawl up and down at work, the labor intensity is high, the physical power consumption is huge, the working efficiency is low, safety accidents happen occasionally, and the personnel of the staff are seriously injured, the property and the economic loss are caused.
Disclosure of Invention
Aiming at the defects and the blank in the prior art, the invention provides a tower crane elevator.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the tower crane elevator comprises a cage and a motor arranged on the cage,
a rack and pinion track is vertically arranged on a standard knot of the tower crane, the cage is driven by the motor to move up and down along the rack and pinion track, and the upper part and the lower part of the side wall of the cage are respectively provided with a guide wheel set matched with the rack and pinion track;
an overhaul platform used by inspection, detection and overhaul equipment is arranged above the top of the lift car, and safety guardrails are arranged around the overhaul platform; a car door is arranged on one side wall of the car, and an interlocking protection switch is arranged on the car door; a safety skylight communicated with the overhaul platform is arranged at the top of the car and provided with an interlocking protection switch; the two interlocking protection switches are respectively connected with the controller, when the interlocking protection switches on the car door and the safety skylight are detected to be in closed states, the controller can control the car to move up and down, and when any one interlocking protection switch on the car door and the safety skylight is detected to be in an open state, the controller controls the car to be in a stop state.
Furthermore, the motor adopts a speed reducer and a brake which are integrated into a positive and negative rotation type motor.
Further, the height of the rack and pinion track is consistent with the height of the standard knot.
Furthermore, a safety hook or a safety gear is arranged at the bottom of the car, and a speed limiter linked with the safety hook or the safety gear is arranged above the maintenance platform; when the speed of the car exceeds the rated speed, the speed limiter can clamp the rack and pinion track through the action of the mechanical linkage rod linkage safety catcher or the safety tongs to forcibly stop the car.
Preferably, when the speed limiter exceeds the designed speed percentage, the speed limiter drives the falling protector or the safety tongs to act, so that the lift car is safely stopped.
Further, the car bottom is provided with the lower stop device that prevents at the bottom of the car pier, it is provided with the upper stop device that prevents the car and dash the top to overhaul the platform top.
Preferably, the lower limiting device and the upper limiting device are normally closed limiting devices, and the car cannot run when the lower limiting device and the upper limiting device are opened in any state.
Furthermore, a buffer is arranged on the ground below the car, and when the car is accidentally abutted against the bottom, the car is pressed on the buffer to play a buffering role.
Further, still be equipped with on the maintenance platform and overhaul change over switch, emergency stop switch and move operating switch from top to bottom to make the car can use and overhaul between the safety operation conventionally.
Furthermore, two symmetrical side walls of the car are respectively provided with a half-open glass window.
Has the advantages that: the elevator lifting device is simple in structure, convenient and practical, changes the traditional mode of going up and down the tower crane, and combines the elevator and the tower crane, so that the working efficiency is improved, the labor intensity is reduced, and the occurrence of safety accidents and property loss are reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1-car, 2-motor, 3-maintenance platform, 4-safety guardrail, 5-half-open glass window, 6-car door, 7-safety skylight, 8-gear rack rail, 9-speed limiter, 10-safety catch, 11-upper limiting device, 12-lower limiting device, 13-guide wheel set, 14-standard knot, 15-tower crane and 16-buffer.
Detailed Description
The invention is illustrated below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
A tower crane elevator, as shown in fig. 1, comprising a car 1 and a motor 2 arranged on the car 1, wherein the motor 2 adopts a speed reducer and a brake integrated forward and reverse rotating motor;
a rack and pinion track 8 is vertically arranged on a standard knot 14 of a tower crane 15, a car 1 is driven by a motor 2 to move up and down along the rack and pinion track 8, and guide wheel sets 13 matched with the rack and pinion track 8 are respectively arranged on the upper portion and the lower portion of the side wall of the car 1, wherein the guide wheel sets play a role in guiding, the guide wheel sets play a role in fixing the car to shake and derail in four directions, namely the front direction, the rear direction, the left direction and the right direction, and the auxiliary derail prevention function is played to ensure that the car moves along a guide; the rack and pinion on the rack and pinion rail 8 runs up and down under the meshing action of a transmission gear of a reducer of the motor 2, and the height of the rack and pinion rail 8 is consistent with the height of a standard pitch;
an overhaul platform 3 used by inspection, detection and overhaul equipment is arranged above the top of the lift car 1, and safety guardrails 4 are arranged around the overhaul platform 3; the maintenance platform 3 is also provided with a maintenance change-over switch (not shown), an emergency stop switch (not shown) and an up-and-down operation switch (not shown), so that the car 1 can safely run between the normal use and the maintenance;
two symmetrical side walls of the car 1 are respectively provided with a half-open glass window 5, the other idle side wall of the car 1 is provided with a car door 6, and the car door 6 is provided with an interlocking protection switch (not shown); the top of the car 1 is provided with a safety skylight 7 communicated with the maintenance platform 3, and the safety skylight 7 is also provided with an interlocking protection switch (not shown); the two interlocking protection switches are respectively connected with a controller (not shown), when the interlocking protection switches on the car door 6 and the safety skylight 7 are detected to be in a closed state, the controller (not shown) can control the car 1 to move up and down, when any interlocking protection switch on the car door 6 and the safety skylight 7 is detected to be in an open state, the controller (not shown) controls the car 1 to be in a stop state, and a set of electric operation control system is respectively arranged inside and at the top of the car 1;
the bottom of the car 1 is provided with a falling protector 10, and a speed limiter 9 linked with the falling protector 10 is arranged above the overhaul platform 3; when the speed of the car 1 exceeds the rated speed, the speed limiter 9 clamps the rack and pinion track 8 through the action of the mechanical linkage rod linkage safety catcher 10 to forcibly stop the car 1; when the speed limiter 9 exceeds the designed speed percentage, the falling protector 10 is driven to act through the speed limiter 9, so that the lift car is safely stopped; the safety catcher 10 in this embodiment can be replaced by a safety gear;
the bottom of the car 1 is provided with a lower limiting device 12 for preventing the bottom of the car 1 from being blocked, an upper limiting device 11 for preventing the car 1 from being jacked is arranged above the overhauling platform 3, the lower limiting device 12 and the upper limiting device 11 are normally closed limiting devices, and the car 1 cannot run when the upper limiting device 11 is opened in any state;
a buffer 16 is arranged on the ground below the car 1, and when the car 1 slides freely under the condition that the safety devices of the car 1 are totally out of order, the car 1 presses the buffer 16 to play a role in buffering, and the safety protection effect on the car and personnel is played.
In this embodiment, the load capacity of the car 1 is 200-300kg, and the passenger capacity is 2-3 persons. The whole height of the lift car 1 is 2.0m, the height of the half-open glass window 5 is 0.5m, the height of the half-open glass window 5 from the bottom of the lift car 1 is 1.5m, and the length and the width of the lift car can be properly adjusted according to different models and sizes of tower cranes.

Claims (10)

1. The tower crane elevator is characterized by comprising a car, a motor and a speed reducer which are arranged on the car,
a rack and pinion track is vertically arranged on a standard knot of the tower crane, the cage is driven by the motor to move up and down along the rack and pinion track, and the upper part and the lower part of the side wall of the cage are respectively provided with a guide wheel set matched with the rack and pinion track;
an overhaul platform used by inspection, detection and overhaul equipment is arranged above the top of the lift car, and safety guardrails are arranged around the overhaul platform; a car door is arranged on one side wall of the car, and an interlocking protection switch is arranged on the car door; a safety skylight communicated with the overhaul platform is arranged at the top of the car and provided with an interlocking protection switch; the two interlocking protection switches are respectively connected with the controller, when the interlocking protection switches on the car door and the safety skylight are detected to be in closed states, the controller can control the car to move up and down, and when any one interlocking protection switch on the car door and the safety skylight is detected to be in an open state, the controller controls the car to be in a stop state.
2. The tower crane elevator of claim 1, wherein the motor is a counter-rotating motor having a reducer and a brake integrated therewith.
3. The tower crane elevator of claim 1, wherein the rack and pinion track has a height corresponding to a standard pitch height.
4. The tower crane elevator as claimed in claim 1, wherein a safety catch or safety gear is provided at the bottom of the car, and a speed limiter linked with the safety catch or safety gear is provided above the maintenance platform; when the speed of the car exceeds the rated speed, the speed limiter can clamp the rack and pinion track through the action of the mechanical linkage rod linkage safety catcher or the safety tongs to forcibly stop the car.
5. The tower crane elevator as claimed in claim 1, wherein the bottom of the car is provided with a lower limiting device for preventing the bottom of the car from being abutted against, and an upper limiting device for preventing the car from being abutted against is arranged above the maintenance platform; the lower limit device and the upper limit device are normally closed limit devices, and the car cannot run when the lower limit device and the upper limit device are opened in any state.
6. The tower crane elevator as claimed in claim 1, wherein a buffer is provided on the ground below the car, and the buffer is pressed by the car when the car is accidentally bottomed.
7. The tower crane elevator of claim 1, wherein the service platform is further provided with a service changeover switch, an emergency stop switch, and an up-down operation switch, thereby enabling the car to safely run between normal use and service.
8. A tower crane elevator as claimed in claim 1, wherein said car has half-opened glass windows in each of two symmetrical side walls.
9. The elevator as claimed in claim 8, wherein the height of the whole cage is 2.0m, the height of the half-open glass window is 0.5m, the height of the half-open glass window from the bottom of the cage is 1.5m, and the length and width of the cage can be adjusted according to different types and sizes of tower cranes.
10. The tower crane elevator as claimed in claim 1, wherein the car has a load capacity of 200 and 300kg and a passenger capacity of 2 persons.
CN202011618515.XA 2020-12-31 2020-12-31 Tower crane elevator Pending CN112520604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011618515.XA CN112520604A (en) 2020-12-31 2020-12-31 Tower crane elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011618515.XA CN112520604A (en) 2020-12-31 2020-12-31 Tower crane elevator

Publications (1)

Publication Number Publication Date
CN112520604A true CN112520604A (en) 2021-03-19

Family

ID=74977165

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011618515.XA Pending CN112520604A (en) 2020-12-31 2020-12-31 Tower crane elevator

Country Status (1)

Country Link
CN (1) CN112520604A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113479748A (en) * 2021-07-01 2021-10-08 中建八局发展建设有限公司 Construction elevator and floor protective door interlocking device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113479748A (en) * 2021-07-01 2021-10-08 中建八局发展建设有限公司 Construction elevator and floor protective door interlocking device and method

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