CN214243558U - Tower crane elevator - Google Patents
Tower crane elevator Download PDFInfo
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- CN214243558U CN214243558U CN202023296967.9U CN202023296967U CN214243558U CN 214243558 U CN214243558 U CN 214243558U CN 202023296967 U CN202023296967 U CN 202023296967U CN 214243558 U CN214243558 U CN 214243558U
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- car
- tower crane
- safety
- rack
- elevator
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Abstract
The utility model 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 the 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 utility model discloses combine together elevator and tower crane, utilize standard festival space as elevator operation passageway, safe and reliable, work efficiency is high, low in labor strength reduces incident and loss of property.
Description
Technical Field
The utility model belongs to the technical field of the construction equipment, concretely relates to 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
To the not enough and blank part among the prior art, the utility model provides a tower crane elevator.
In order to achieve the above purpose, the utility model discloses technical scheme 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 utility model discloses simple structure, convenient and practical has changed traditional upper and lower tower crane's mode, combines elevator and tower crane to improve work efficiency, reduced intensity of labour, reduced the emergence and the loss of property of incident.
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 present invention is described 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 rail; 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 with an integrated retarder and brake.
3. The tower crane elevator of claim 1, wherein the rack and pinion track has a height that corresponds to a standard pitch height.
4. The tower crane elevator as claimed in claim 1, wherein a safety catch or safety tongs is provided at the bottom of the car, and a speed limiter linked with the safety catch or safety tongs is provided above the service 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023296967.9U CN214243558U (en) | 2020-12-31 | 2020-12-31 | Tower crane elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023296967.9U CN214243558U (en) | 2020-12-31 | 2020-12-31 | Tower crane elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214243558U true CN214243558U (en) | 2021-09-21 |
Family
ID=77722547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023296967.9U Active CN214243558U (en) | 2020-12-31 | 2020-12-31 | Tower crane elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214243558U (en) |
-
2020
- 2020-12-31 CN CN202023296967.9U patent/CN214243558U/en active Active
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