CN220011957U - Safety cage for tower crane operators to come and go to tower crane - Google Patents
Safety cage for tower crane operators to come and go to tower crane Download PDFInfo
- Publication number
- CN220011957U CN220011957U CN202321443983.7U CN202321443983U CN220011957U CN 220011957 U CN220011957 U CN 220011957U CN 202321443983 U CN202321443983 U CN 202321443983U CN 220011957 U CN220011957 U CN 220011957U
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- tower crane
- safety
- cage
- cage body
- rope
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- 230000003028 elevating effect Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000009194 climbing Effects 0.000 description 6
- 241000282326 Felis catus Species 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a safety cage for a tower crane operator to come and go to a tower crane, and particularly relates to the technical field of tower crane engineering equipment. According to the utility model, the first lifting mechanism for driving the cage body to lift is arranged at the top of the safety cage body, so that a tower crane operator automatically moves back and forth between the rear arm of the tower crane and the ground; through being equipped with multiunit safety rope in cage side correspondence, the safety rope top is connected with safe cage frame body, is connected with the anti-falling device that is used for locking the safety rope when the cage body falls downwards of lift main rope fracture to prevent that the cage body from falling in cage side, has realized when the cage body falls downwards of lift main rope fracture, and braking piece locking safety rope, and then the braking of the realization cage body has guaranteed the safety of tower crane operator in the cage body.
Description
Technical Field
The utility model relates to the technical field of tower crane engineering equipment, in particular to a safety cage for a tower crane operator to come and go to a tower crane.
Background
The tower crane is the most commonly used hoisting equipment on the construction site, is also called as a tower crane, can be used for lengthening (heightening) one by one (namely a standard knot) one by one, and is used for hoisting raw materials such as steel bars, wood ridges, concrete, steel pipes and the like for construction.
At present, a tower crane operator needs to climb up and down the tower crane through a cat ladder in a standard section of the tower crane, the operation is time-consuming and labor-consuming, the efficiency is low, the height of the tower crane is high, and the falling accident easily occurs due to fatigue and physical weakness of the tower crane operator in the process of climbing the cat ladder. Accordingly, the present utility model provides a safety cage for a tower crane operator to traverse the tower crane to address the problems described above in the background.
Disclosure of Invention
The utility model aims to provide a safety cage for a tower crane operator to go back and forth to solve the problems that in the prior art, the tower crane operator needs to climb up and down the tower crane through a ladder in a standard section of the tower crane, the operation is time-consuming and labor-consuming, the efficiency is low, the height of the tower crane is high, and the tower crane operator is tired and is not strong in body force in the process of climbing the ladder, so that falling accidents are easy to occur.
In order to solve the technical problems, the utility model adopts the following technical scheme: a safety cage for tower crane operator comes and goes tower crane, includes the lift main rope, still includes a bottom opening and runs through tower crane rear arm and tower crane rear arm fixed connection's safety cage support body from top to bottom, is equipped with the cage body in safety cage support body inside, is equipped with the first elevating system who is used for driving the cage body and goes up and down at safety cage support body top, corresponds at cage body side and is equipped with multiunit safety rope, the safety rope top is connected with safety cage support body, is connected with the anti-falling device that is used for locking the safety rope when the broken cage body of lift main rope falls downwards in cage body side, still includes the first drive arrangement who is used for driving first elevating system, still includes the controller.
The safety cage for the tower crane operator to and fro the tower crane comprises a plurality of anti-falling assemblies symmetrically arranged on the side face of the cage body, a road body seat used for enabling the cage body to run along the safety rope is fixedly connected on the side face of the cage body, a pressure sensor used for sending a locking signal for locking the safety rope to the controller when the lifting main rope breaks the cage body to fall downwards is arranged at the bottom of the cage body, and a pedal is arranged on the pressure sensor.
The anti-falling assembly comprises the hydraulic cylinders which are horizontally arranged on the side face of the cage body in pairs, the output ends of the hydraulic cylinders are fixedly connected with brake block fixing seats, the brake block fixing seats are provided with brake blocks, the safety ropes penetrate through the two brake blocks, the hydraulic cylinders are connected with the hydraulic cylinder fixing seats, the hydraulic cylinder fixing seats are fixedly connected with the side face of the cage body, and the hydraulic cylinders are in signal connection with the controller.
The safety cage for the tower crane operator to go back and forth to the tower crane is characterized in that the bottom of the safety rope is connected with the counterweight, the top of the counterweight is rotationally connected with the second movable pulley, and the safety rope is connected with the counterweight through the second movable pulley.
The safety cage for the tower crane operator to go back and forth to the tower crane is characterized in that the top of the counterweight is provided with the distance sensor for measuring the height of the cage body and sending a locking signal for locking the safety rope to the controller when the lifting main rope breaks the cage body to fall downwards.
The safety cage for the tower crane operator to and fro the tower crane, the first lifting mechanism comprises a loading arm fixedly connected to the top of the cage body, a first movable pulley is rotationally connected to the top of the loading arm, the first movable pulley is connected to a lifting main rope, one end of the lifting main rope is fixedly connected to the top of the safety cage body, a first fixed pulley is arranged at the top of the safety cage body, and the other end of the lifting main rope penetrates through the top of the safety cage body and is connected to a first winch arranged at the top of the safety cage body through the first fixed pulley.
The safety cage for the tower crane operator to go to and from the tower crane is characterized in that the first driving device is a first driving motor, and the first driving motor is in signal connection with the controller.
The safety cage for the tower crane operator to go back and forth to the tower crane further comprises a second lifting mechanism for driving the safety rope to lift, the second lifting mechanism comprises a second winch arranged at the tail of the rear arm of the tower crane, the second winch is connected with one end of the safety rope, a support is arranged at the top of the safety cage body, a plurality of second fixed pulleys and third fixed pulleys are arranged on the support, the other end of the safety rope sequentially passes through the second fixed pulleys and the third fixed pulleys and passes through the top of the safety cage body, the road body seat, the brake block and the rear arm of the tower crane downwards extend through the second movable pulleys, and then upwards turn back and pass through the rear arm of the tower crane, the road body seat and the brake block and are fixedly connected to the top of the safety cage body.
The safety cage for the tower crane operator to go to and from the tower crane further comprises a second driving device for driving the second lifting mechanism, wherein the second driving device is a second driving motor, and the second driving motor is in signal connection with the controller.
The safety cage for the tower crane operators to go back and forth to the tower crane is characterized in that an access opening is formed in one side, close to the tower crane cockpit, of the safety cage body, and a folding door is arranged on one side, close to the tower crane cockpit, of the cage body.
Compared with the prior art, the utility model has the beneficial effects that:
1. the lifting main rope is fixedly connected with the top of the safety cage body, the first movable pulley is rotationally connected with the top of the lifting main rope, one end of the lifting main rope is fixedly connected with the top of the safety cage body, the top of the safety cage body is provided with the first fixed pulley, the other end of the lifting main rope penetrates through the top of the safety cage body and is connected onto the first winch arranged at the top of the safety cage body through the first fixed pulley, the top of the safety cage body is also provided with the first driving motor for driving the first winch, so that a tower crane operator automatically moves back and forth between the rear arm of the tower crane and the ground without climbing a cat ladder up and down, the working efficiency is improved, and falling accidents caused by fatigue and body force imbalance of the tower crane operator in the process of climbing the cat ladder are avoided;
2. the safety rope lifting device comprises a cage body, a plurality of safety ropes, a plurality of falling prevention assemblies, a controller, a pressure sensor, a pedal, a brake plate fixing seat and a brake plate, wherein the plurality of groups of safety ropes are correspondingly arranged on the side face of the cage body;
3. the distance sensor for measuring the height of the cage body and sending a locking signal for locking the safety rope to the controller when the lifting main rope breaks the cage body and falls down is arranged at the top of the counterweight, so that the safety of a tower crane operator in the cage body is further ensured;
4. the counterweight is connected to the bottom of the safety rope, so that the cage body runs along the safety rope in the lifting process, and the stability of the cage body in the lifting process is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of the portion A of the present utility model;
FIG. 3 is an enlarged view of section B of the present utility model;
fig. 4 is a left side view of the fall arrest device of the present utility model.
In the figure: 1. a safety cage body; 2. a cage body; 3. a safety rope; 4. a road body seat; 5. a pressure sensor; 6. a pedal; 7. a hydraulic cylinder; 8. a brake pad holder; 9. a brake pad; 10. the hydraulic cylinder fixing seat; 11. a counterweight; 12. a second movable pulley; 13. a distance sensor; 14. a load arm; 15. a first movable pulley; 16. a first fixed pulley; 17. a first hoist; 18. a first driving motor; 19. a second hoist; 20. a bracket; 21. a second fixed pulley; 22. a third fixed pulley; 23. a second driving motor; 24. a folding door; 25. lifting the main rope; 26. a tower crane rear arm; 27. ground surface.
Detailed Description
The utility model is further described in detail below with reference to the attached drawings and specific examples:
in the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "plurality" means two or more unless specifically defined otherwise.
The safety cage for the tower crane operators to go back and forth the tower crane as shown in the accompanying drawings 1-4 comprises a lifting main rope 25, a safety cage body 1 with an opening at the bottom and fixedly connected with a rear arm 26 of the tower crane by penetrating through a rear arm 26 of the tower crane up and down, a cage body 2 is arranged in the safety cage body 1, a first lifting mechanism for driving the cage body 2 to lift is arranged at the top of the safety cage body 1, a plurality of groups of safety ropes 3 are correspondingly arranged at the side surface of the cage body 2, the top of the safety ropes 3 are connected with the safety cage body 1, an anti-falling device for locking the safety ropes 3 to prevent the cage body 2 from falling when the lifting main rope 25 breaks the cage body 2 to fall downwards is connected at the side surface of the cage body 2, and the safety cage further comprises a first driving device for driving the first lifting mechanism and a controller, wherein the controller is a PLC;
the anti-falling device comprises a plurality of anti-falling components symmetrically arranged on the side surface of the cage body 2, a road body seat 4 used for enabling the cage body 2 to run along the safety rope 3 is fixedly connected on the side surface of the cage body 2, a pressure sensor 5 used for sending a locking signal for locking the safety rope 3 to a controller when the cage body 2 is broken down by a lifting main rope 25 is arranged at the bottom of the cage body 2, a pedal 6 is arranged on the pressure sensor 5, a tower crane operator stands on the pedal 6 in the normal lifting process, the pressure sensor 2 detects the extrusion force, the anti-falling device is not triggered, the extrusion force between the pedal 6 and the pressure sensor 2 changes once the cage body 2 is broken down by the lifting main rope 25, the locking signal for locking the safety rope 3 is sent to the controller by the pressure sensor 5 at the moment, the anti-falling device is triggered, the anti-falling assembly comprises hydraulic cylinders 7 which are horizontally arranged on the side face of the cage body 2 in pairs, a brake block fixing seat 8 is fixedly connected to the output end of each hydraulic cylinder 7, a brake block 9 is arranged on each brake block fixing seat 8, the safety rope 3 passes through the two brake blocks 9, a hydraulic cylinder fixing seat 10 is connected to each hydraulic cylinder 7, the hydraulic cylinder fixing seats 10 are fixedly connected with the side face of the cage body 2, the hydraulic cylinders 7 are in signal connection with a controller, the anti-falling device is designed in such a way that when the lifting main rope 25 breaks the cage body 2 to fall downwards, the pressure sensor 5 sends a locking signal for locking the safety rope 3 to the controller, and the controller controls the hydraulic cylinders 7 to drive the brake blocks 9 to lock the safety rope 3, so that the braking of the cage body 2 is realized, and the safety of a tower crane operator in the cage body 2 is ensured;
the bottom of the safety rope is connected with a counterweight 11, so that the cage body 2 runs along the safety rope 3 in the lifting process, and the stability of the cage body 2 in the lifting process is ensured;
the top of the counterweight is rotationally connected with a second movable pulley 12, the safety rope 3 is connected with the counterweight 11 through the second movable pulley 12, the top of the counterweight 11 is provided with a distance sensor 13 which measures the height of the cage body 2 and sends a locking signal for locking the safety rope 3 to a controller when the lifting main rope 25 breaks the cage body 2 and falls down, if the pressure sensor 5 does not effectively send the locking signal to the controller to cause the cage body 2 to continuously fall down, the distance sensor 13 sends the locking signal for locking the safety rope 3 to the controller when detecting that the height of the bottom of the cage body 2 is lower than 3m, and the controller controls a hydraulic cylinder 7 to drive a brake block 9 to lock the safety rope 3, so that the safety of a tower crane operator in the cage body 2 is further ensured;
the first lifting mechanism comprises a load arm 14 fixedly connected to the top of the cage body 2, a first movable pulley 15 is rotatably connected to the top of the load arm 14, the first movable pulley 15 is connected to a lifting main rope 25, one end of the lifting main rope 25 is fixedly connected to the top of the safety cage body 1, a first fixed pulley 16 is arranged at the top of the safety cage body 1, the other end of the lifting main rope 25 penetrates through the top of the safety cage body 1 and is connected to a first winch 17 arranged at the top of the safety cage body 1 through the first fixed pulley 16, the first driving device is a first driving motor 18, the first driving motor 18 is in signal connection with a controller, and the first lifting mechanism and the first driving device realize that a tower crane operator automatically reciprocates between a rear arm 26 of the tower crane and the ground 27 without climbing the ladder, so that the working efficiency is improved, and accidents caused by fatigue and body force loss of the tower crane operator in the climbing the ladder are avoided;
the second lifting mechanism comprises a second winch 19 arranged at the tail of a tower crane rear arm 26, the second winch 19 is connected with one end of a safety rope 3, a bracket 20 is arranged at the top of the safety cage frame 1, a plurality of second fixed pulleys 21 and third fixed pulleys 22 are arranged on the bracket 20, the other end of the safety rope 3 sequentially passes through the second fixed pulleys 21 and the third fixed pulleys 22 and passes through the top of the safety cage frame 1, a road body seat 4, a brake block 9 and a tower crane rear arm 26, downwards extends through a second movable pulley 12, upwards folds back and passes through the tower crane rear arm 26, the road body seat 4 and the brake block 9 and is fixedly connected to the top of the safety cage frame 1, a second driving device for driving the second lifting mechanism is a second driving motor 23, the second driving motor 23 is connected with a controller in a signal mode, the first driving motor 18 and the second driving motor 23 are controlled by a PLC controller, one side of the safety cage frame 1, close to a driver's cabin is provided with a folding door 24, and the driver's cabin is convenient to open.
The application method of the utility model comprises the following steps: when the utility model is used for conveying a tower crane operator from the ground 27 to the tower crane rear arm 26, the second driving motor 23 is started to drive the safety rope 3 to descend until the counterweight 11 contacts the ground 27, then the first driving motor 18 is started to drive the cage body 2 to descend to the ground 27 along the safety rope 3 from the safety cage body 1, after the tower crane operator enters the cage body 2 and closes the folding door 24, the first driving motor 18 is started to drive the cage body 2 to move upwards along the safety rope 3 to the inside of the safety cage body 1, then the tower crane operator opens the folding door 24 to be led to the tower crane cab, and after the tower crane operator reaches the tower crane rear arm 26, the second driving motor 23 is started to drive the safety rope 3 to ascend to the inside of the safety cage body 1, so that the tower crane lifting operation can be started; when the utility model is used for conveying a tower crane operator from the tower crane rear arm 26 to the ground 27, the second driving motor 23 is started to drive the safety rope 3 to descend until the counterweight 11 contacts the ground 27, and then after the tower crane operator enters the cage 2 and closes the folding door 24, the first driving motor 18 is started to drive the cage 2 to move downwards to the ground 27 along the safety rope 3.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (10)
1. A safety cage for tower crane operator comes and goes tower crane, includes lift main rope, its characterized in that: including a bottom opening and run through tower crane trailing arm and tower crane trailing arm fixed connection's safe cage support body from top to bottom, be equipped with the cage body in safe cage support body inside, be equipped with at safe cage support body top and be used for driving the first elevating system that the cage body goes up and down, correspond at cage body side and be equipped with multiunit safety rope, the safety rope top is connected with safe cage support body, is connected with the anti-falling device who is used for locking safety rope to prevent the cage body to fall when the fracture cage body of lift main rope falls downwards in cage body side, still including the first drive arrangement who is used for driving first elevating system, still includes the controller.
2. A safety cage for a tower crane operator to and from a tower crane according to claim 1, wherein: the anti-falling device comprises a plurality of anti-falling assemblies symmetrically arranged on the side face of the cage body, a road body seat used for enabling the cage body to run along the safety rope is fixedly connected to the side face of the cage body, a pressure sensor used for sending a locking signal for locking the safety rope to the controller when the lifting main rope breaks the cage body to fall downwards is arranged at the bottom of the cage body, and a pedal is arranged on the pressure sensor.
3. A safety cage for tower crane operators to and from a tower crane according to claim 2, wherein: the anti-falling assembly comprises hydraulic cylinders which are horizontally arranged on the side face of the cage body in pairs, the output ends of the hydraulic cylinders are fixedly connected with brake pad fixing seats, brake pads are arranged on the brake pad fixing seats, the safety ropes penetrate through the two brake pads, the hydraulic cylinders are connected with the hydraulic cylinder fixing seats, the hydraulic cylinder fixing seats are fixedly connected with the side face of the cage body, and the hydraulic cylinders are in signal connection with the controller.
4. A safety cage for tower crane operators to and from a tower crane according to claim 2, wherein: the safety rope bottom is connected with the counter weight, rotates at the counter weight top and is connected with the second movable pulley, be connected through the second movable pulley between safety rope and the counter weight.
5. The safety cage for tower crane operators to and from a tower crane according to claim 4, wherein: the top of the counterweight is provided with a distance sensor for measuring the height of the cage body and sending a locking signal for locking the safety rope to the controller when the lifting main rope breaks the cage body to fall downwards.
6. A safety cage for a tower crane operator to and from a tower crane according to claim 1, wherein: the first lifting mechanism comprises a load arm fixedly connected to the top of the cage body, a first movable pulley is rotationally connected to the top of the load arm, the first movable pulley is connected to a lifting main rope, one end of the lifting main rope is fixedly connected to the top of the safety cage body, a first fixed pulley is arranged at the top of the safety cage body, and the other end of the lifting main rope penetrates through the top of the safety cage body and is connected to a first winch arranged at the top of the safety cage body through the first fixed pulley.
7. The safety cage for tower crane operators to and from a tower crane according to claim 6, wherein: the first driving device is a first driving motor, and the first driving motor is in signal connection with the controller.
8. A safety cage for a tower crane operator to and from a tower crane according to claim 2 or 6, wherein: the safety cage is characterized by further comprising a second lifting mechanism for driving the safety rope to lift, the second lifting mechanism comprises a second winch arranged at the tail of the rear arm of the tower crane, the second winch is connected with one end of the safety rope, a support is arranged at the top of the safety cage body, a plurality of second fixed pulleys and third fixed pulleys are arranged on the support, the other end of the safety rope sequentially passes through the second fixed pulleys, the third fixed pulleys and the second movable pulleys, the second fixed pulleys, the road body seat, the brake block and the rear arm of the tower crane, and then upwards returns to pass through the rear arm of the tower crane, the road body seat and the brake block and is fixedly connected to the top of the safety cage body.
9. The safety cage for tower crane operators to and from a tower crane according to claim 8, wherein: the second driving device is used for driving the second lifting mechanism, the second driving device is a second driving motor, and the second driving motor is in signal connection with the controller.
10. A safety cage for a tower crane operator to and from a tower crane according to claim 1, wherein: an access opening is formed in one side, close to the tower crane cockpit, of the safety cage body, and a folding door is arranged on one side, close to the tower crane cockpit, of the cage body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321443983.7U CN220011957U (en) | 2023-06-07 | 2023-06-07 | Safety cage for tower crane operators to come and go to tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321443983.7U CN220011957U (en) | 2023-06-07 | 2023-06-07 | Safety cage for tower crane operators to come and go to tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220011957U true CN220011957U (en) | 2023-11-14 |
Family
ID=88686218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321443983.7U Active CN220011957U (en) | 2023-06-07 | 2023-06-07 | Safety cage for tower crane operators to come and go to tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220011957U (en) |
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2023
- 2023-06-07 CN CN202321443983.7U patent/CN220011957U/en active Active
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