CN212090570U - Tower machine climbing safety belt cable suspension device - Google Patents
Tower machine climbing safety belt cable suspension device Download PDFInfo
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- CN212090570U CN212090570U CN202020577050.7U CN202020577050U CN212090570U CN 212090570 U CN212090570 U CN 212090570U CN 202020577050 U CN202020577050 U CN 202020577050U CN 212090570 U CN212090570 U CN 212090570U
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- tensioning
- tower crane
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Abstract
The utility model relates to a tower crane climbing safety belt hanging device, which comprises a tower crane, a safety belt and a driving mechanism, wherein the driving mechanism comprises a base arranged at the top of a tower body of the tower crane, a traction motor is arranged on the base, a traction wheel is arranged on an output shaft of the traction motor, a driven pulley is arranged at the bottom of the tower body, and a traction rope is arranged between the traction wheel and the driven pulley; the base is provided with a brake mechanism mounting frame, two piston rods are symmetrically mounted on the left and right sides of the lower surface of a top plate of the brake mechanism mounting frame, the compression springs and the compression rods are sequentially sleeved on the piston rods from top to bottom, electromagnets are mounted on the brake mechanism mounting frame, and electromagnet suction rods are arranged on the upper surfaces of the compression rods; and a safety belt hanging point is arranged on the traction rope. When the climbing personnel need to climb, a safety belt hanging device is provided, and the safety belt hanging device can move along with the climbing personnel.
Description
Technical Field
The utility model relates to a construction equipment technical field, especially a tower machine climbing safety belt cable suspension device.
Background
Tower crane, especially go up the rotation and go up the jacking and add the tower machine that the festival connects high, most operation cab is all installing on rotatory pylon, the tower machine driver, installation and overhaul personnel and testing personnel need often climb positions such as tower machine cab, carry out relevant operation, but most tower machines at present, generally arrange the cat ladder in by the body of the tower, it makes things convenient for and the safety of protection climbing personnel to set up rest platform and safety protection casing etc. nevertheless because personnel are in climbing motion from top to bottom, lead to these personnel all can't hang the safety belt, if these personnel are in the climbing in-process, because the health is uncomfortable, reasons such as cat ladder corruption take place to fall, can't prevent falling the protection through the safety belt. Therefore, the utility model designs a can make things convenient for the personnel of these climbing tower machines, especially the tower machine driver, can be when climbing the tower machine, can hang the device of safety belt, will provide safety protection to tower machine climbing personnel.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a tower machine climbing safety belt cable suspension device realizes that the tower machine driver can hang the safety belt when climbing the tower machine.
The embodiment of the utility model provides an in adopt following scheme to realize: the hoisting device comprises a tower crane, a safety belt and a driving mechanism, wherein the driving mechanism comprises a base arranged at the top of a tower body of the tower crane, a traction motor is arranged on the base, a traction wheel is arranged on an output shaft of the traction motor, a driven pulley is arranged at the bottom of the tower body, and a traction rope is arranged between the traction wheel and the driven pulley; the base is provided with a brake mechanism mounting rack which is erected above the traction sheave; the brake mechanism comprises piston rods, a pressure rod and a compression spring, wherein the two piston rods are symmetrically arranged on the left and right sides of the lower surface of a top plate of the brake mechanism mounting frame, the compression spring and the pressure rod are sequentially sleeved on the piston rods from top to bottom, the tail ends of the piston rods are provided with limit blocks, the middle part of the lower surface of the pressure rod is provided with a brake block, the brake mechanism mounting frame is provided with an electromagnet, and the middle part of the upper surface of the pressure rod is provided with an electromagnet suction rod; the safety belt lifting device is characterized in that a safety belt lifting point is arranged on the traction rope, a lifting control box is installed at the safety belt lifting point, and a safety belt is connected to the lifting control box.
In an embodiment of the present invention, a first tensioning assembly is disposed on a side surface of the traction rope, which is located at the top of the tower body, and includes a tensioning pulley, a plunger shaft, and a plunger cylinder, wherein the plunger shaft is fixed on a side wall of the top portion in the tower body, a tensioning spring is sleeved on the plunger shaft, the tensioning spring is sleeved in the plunger cylinder, the tensioning pulley is mounted at the front end of the plunger cylinder, and the traction rope is extruded by the tensioning pulley; the driven pulley is installed on the second tensioning assembly, the second tensioning assembly comprises a connecting rod hinged to the bottom of the tower body, the driven pulley is installed in the middle of the connecting rod, and the tail end of the connecting rod is connected with a tensioning heavy hammer.
In one embodiment of the utility model, a broken rope monitoring switch is arranged on the side wall of the tower body and below the connecting rod; the bottom of the plunger shaft is tapped with threads and provided with an adjusting nut.
In an embodiment of the present invention, a traction sheave mounting bracket is disposed on the base, the traction sheave is mounted on the traction sheave mounting bracket, and a rotary encoder is connected to a rotating shaft of the traction sheave; the surface of the hanging control box is provided with an O-shaped connecting buckle, and the O-shaped connecting buckle is connected with a U-shaped buckle of the safety belt.
The utility model relates to an in the embodiment, first nut is established to the top cover of piston rod, the external screw thread has been attacked at the top of piston rod, first nut is located compression spring is last.
The utility model has the advantages that: the utility model provides a safety belt hanging device for climbing tower crane, wherein a driver of the tower crane hangs the safety belt on a hanging control box when climbing the tower crane; the safety belt hanging device can move along with the climbing personnel, namely when the climbing personnel climb upwards, the safety belt hanging device moves upwards along with the climbing personnel, when the climbing personnel move downwards, the safety belt hanging device also synchronously moves downwards, and meanwhile, when the climbing personnel need to have a rest on a rest platform, the safety belt hanging device is synchronously stopped, so that the situation that the climbing personnel accidentally fall when climbing a tower crane is prevented; and this safety belt cable suspension device can carry out speed control according to climbing personnel's climbing speed in step.
Drawings
Fig. 1 is a schematic structural diagram of a safety belt hanging device for climbing of a tower crane.
Fig. 2 is an installation schematic diagram of a first tensioning assembly at a and a second tensioning assembly at B of a tower crane climbing safety belt hanger.
Fig. 3 is a schematic structural diagram of a braking mechanism of a tower crane climbing safety belt hanging device.
Fig. 4 is an enlarged schematic view at C in fig. 1 of a tower crane climbing safety belt hanger.
Fig. 5 is a schematic circuit block diagram of a safety belt hanging device for climbing of a tower crane.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 5, the utility model provides a safety belt hanging device for climbing of a tower crane, which comprises a tower crane 1, a safety belt 29 and a driving mechanism, wherein the driving mechanism is arranged at the side of a ladder stand 2 of a tower body of the lake tower crane 1; the driving mechanism comprises a base 15 installed at the top of the tower body of the tower crane 1, a traction motor 27 is installed on the base 15, a traction sheave 5 is installed on an output shaft of the traction motor 27, a driven pulley 4 is installed at the bottom of the tower body, and a traction rope 3 is installed between the traction sheave 5 and the driven pulley 4; the base 15 is provided with a brake mechanism mounting rack 26 which is erected above the traction sheave 5; the brake mechanism comprises piston rods 21, a pressure rod 20 and a compression spring 18, the two piston rods 21 are symmetrically arranged on the lower surface of the top plate of the brake mechanism mounting frame 26 from left to right, the compression spring 18 and the pressure rod 20 are sequentially sleeved on the piston rods 21 from top to bottom, a limiting block 19 is arranged at the tail end of each piston rod 21, a brake block 25 is arranged in the middle of the lower surface of the pressure rod 20, an electromagnet 23 is mounted on the brake mechanism mounting frame 26, and a suction rod of the electromagnet 23 is arranged in the middle of the upper surface of the pressure rod 20; a safety belt hanging point is arranged on the traction rope 3, a hanging control box 28 is installed at the safety belt hanging point, and a safety belt 29 is connected to the hanging control box 28; the hanging control box 28 is used for controlling the operation of the device, and it needs to be explained that when the device stops moving, the braking mechanism compresses the traction rope all the time, the hanging control box is kept at the top of the tower body at the same height as the cab when the cab of the tower crane is occupied, and the hanging control box is kept at the bottom of the tower body of the tower crane when the cab of the tower crane is unoccupied and is not climbed by people.
The utility model relates to an embodiment, hang 28 surfaces of control box and be provided with O type connector link, O type connector link is connected with the U type buckle of safety belt 29 for be connected to the safety belt on hanging the control box.
Referring to fig. 1 and 2, in an embodiment of the present invention, a first tensioning assembly is disposed at a top of the tower body and located on a side surface of the traction rope 3, the first tensioning assembly includes a tensioning pulley 7, a plunger shaft 13 and a plunger cylinder 11, the plunger shaft 13 is fixed on a side wall of the top inside the tower body, a tensioning spring 12 is sleeved on the plunger shaft 13, the tensioning spring 12 is sleeved inside the plunger cylinder 11, the tensioning pulley 7 is installed at a front end of the plunger cylinder 11, and the traction rope 3 is extruded by the tensioning pulley 7; driven pulley 4 installs on second tensioning assembly, second tensioning assembly is including articulating the connecting rod 9 of body of the tower bottom, driven pulley installation 4 is in the middle part of connecting rod 9, the end-to-end connection of connecting rod 9 has tensioning weight 8, guarantees that haulage rope 3 keeps the tensioning, prevents the swing of haulage rope 3 among the operation process.
Referring to fig. 1 and 2, in an embodiment of the present invention, a rope breakage monitoring switch 10 is installed on a side wall of the tower body below the connecting rod; the bottom of the plunger shaft 13 is tapped with threads and is provided with an adjusting nut 12 for adjusting the early warning force of the tension spring 12 so as to keep the traction rope 3 taut.
Referring to fig. 1 and 3, in an embodiment of the present invention, a traction sheave mounting bracket 16 is disposed on the base 15, the traction sheave 5 is mounted on the traction sheave mounting bracket 16, a rotary encoder 17 is connected to a rotating shaft of the traction sheave 5, so as to perform a speed measurement function, when the traction motor 27 stops at an excessive speed, the brake block 25 compresses the traction rope 3 to brake.
Referring to fig. 1 and 3, in an embodiment of the present invention, a first nut 22 is sleeved on a top of a piston rod 21, an external thread is tapped on the top of the piston rod 21, and the first nut 22 is located on the compression spring 18 and is used for adjusting a pretightening force of the compression spring 18, that is, adjusting a strength of a braking force.
Referring to fig. 5, in an embodiment of the present invention, an acceleration sensor (not shown) is installed in the hanging control box 28 and connected to the control panel, the surface of the hanging control box 28 is provided with a control panel, the control panel is provided with a wireless communication module, preferably, a 433MHz frequency band wireless data terminal DTD433 can be adopted, the upper and lower ends of the hanging control box 28 are provided with a traction rope 3 connector for connecting the traction rope 3, the control panel is connected to an upper computer in a cab through the wireless communication module, a rotary encoder, a rope breakage monitoring switch, a traction motor 27, an electromagnet 23 is connected to the upper computer through a wire, the surface of the control panel is provided with an uplink button, a downlink button, a stop button, an acceleration button, a deceleration button, and an auxiliary climbing button, it is required to explain how the circuit is connected and the control portion does not make protection requirements, it only serves to describe how to use; the preferred rotary encoder may be of the RVI58N-032ABR66N-04096 type, the preferred acceleration sensor may be of the ADXL313WACPZ-RL type, and the preferred rope break monitoring switch may be of the Mitsubishi limit switch S3-1375 type.
The utility model discloses the theory of operation below has:
when the device is used, a climber hangs a safety belt on the hanging control box and presses an uplink button or a downlink button, the device is started, the brake is opened (the electromagnet is electrified to attract the electromagnet attraction rod to drive the compression bar to move upwards, so that the brake block does not compress the traction rope any more), the traction motor is electrified to drive the traction wheel to rotate, and therefore the traction rope is driven to pull the hanging control box to move up and down and move up and down along with the climber. If the climber needs to have a rest, a stop button on the hanging box is pressed, the traction motor stops supplying power at the moment, and a brake is used for contracting a brake (when the elevator iron is powered off, a compression spring drives a compression bar to move downwards, so that a brake block compresses a traction rope); if the climbing personnel need reduce or improve the climbing speed, can press acceleration rate button or speed reduction button, control system control haulage motor acceleration rate or speed reduction, if the climbing personnel need borrow the power climbing (generally go upward), press supplementary climbing button, only need the safety belt to jump tight back this moment, this device will provide certain power, comes the supplementary personnel climbing. If the speed encoder detects abnormal speed or the acceleration sensor detects abnormal force and acceleration, the traction motor stops, and meanwhile, the brake band-type brake stops the device.
The above description is only for the preferred embodiment of the present invention, and should not be interpreted as limiting the scope of the present invention, which is intended to cover all the equivalent changes and modifications made in accordance with the claims of the present invention.
Claims (5)
1. The utility model provides a tower machine climbing safety belt cable suspension device, includes tower machine, safety belt, its characterized in that: the tower crane further comprises a driving mechanism, wherein the driving mechanism comprises a base arranged at the top of the tower body of the tower crane, a traction motor is arranged on the base, a traction wheel is arranged on an output shaft of the traction motor, a driven pulley is arranged at the bottom of the tower body, and a traction rope is arranged between the traction wheel and the driven pulley; the base is provided with a brake mechanism mounting rack which is erected above the traction sheave; the brake mechanism comprises piston rods, a pressure rod and a compression spring, wherein the two piston rods are symmetrically arranged on the left and right sides of the lower surface of a top plate of the brake mechanism mounting frame, the compression spring and the pressure rod are sequentially sleeved on the piston rods from top to bottom, the tail ends of the piston rods are provided with limit blocks, the middle part of the lower surface of the pressure rod is provided with a brake block, the brake mechanism mounting frame is provided with an electromagnet, and the middle part of the upper surface of the pressure rod is provided with an electromagnet suction rod; the safety belt lifting device is characterized in that a safety belt lifting point is arranged on the traction rope, a lifting control box is installed at the safety belt lifting point, and a safety belt is connected to the lifting control box.
2. The tower crane climbing safety belt hanging device as claimed in claim 1, characterized in that: a first tensioning assembly is arranged on the top of the tower body and located on the side face of the traction rope, the first tensioning assembly comprises a tensioning pulley, a plunger shaft and a plunger cylinder, the plunger shaft is fixed on the side wall of the top in the tower body, a tensioning spring is sleeved on the plunger shaft and sleeved in the plunger cylinder, the tensioning pulley is installed at the front end of the plunger cylinder, and the traction rope is extruded by the tensioning pulley; the driven pulley is installed on the second tensioning assembly, the second tensioning assembly comprises a connecting rod hinged to the bottom of the tower body, the driven pulley is installed in the middle of the connecting rod, and the tail end of the connecting rod is connected with a tensioning heavy hammer.
3. The tower crane climbing safety belt hanging device as claimed in claim 2, characterized in that: a broken rope monitoring switch is arranged on the side wall of the tower body and below the connecting rod; the bottom of the plunger shaft is tapped with threads and provided with an adjusting nut.
4. The tower crane climbing safety belt hanging device as claimed in claim 1, characterized in that: the base is provided with a traction sheave mounting rack, the traction sheave is mounted on the traction sheave mounting rack, and a rotating shaft of the traction sheave is connected with a rotary encoder; the surface of the hanging control box is provided with an O-shaped connecting buckle, and the O-shaped connecting buckle is connected with a U-shaped buckle of the safety belt.
5. The tower crane climbing safety belt hanging device as claimed in claim 1, characterized in that: a first nut is sleeved on the top of the piston rod, an external thread is tapped on the top of the piston rod, and the first nut is located on the compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577050.7U CN212090570U (en) | 2020-04-17 | 2020-04-17 | Tower machine climbing safety belt cable suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577050.7U CN212090570U (en) | 2020-04-17 | 2020-04-17 | Tower machine climbing safety belt cable suspension device |
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| Publication Number | Publication Date |
|---|---|
| CN212090570U true CN212090570U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020577050.7U Active CN212090570U (en) | 2020-04-17 | 2020-04-17 | Tower machine climbing safety belt cable suspension device |
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| CN (1) | CN212090570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375154A (en) * | 2020-04-17 | 2020-07-07 | 福建省特种设备检验研究院 | Tower crane climbing safety belt hanging device and using method thereof |
-
2020
- 2020-04-17 CN CN202020577050.7U patent/CN212090570U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375154A (en) * | 2020-04-17 | 2020-07-07 | 福建省特种设备检验研究院 | Tower crane climbing safety belt hanging device and using method thereof |
| CN111375154B (en) * | 2020-04-17 | 2024-05-31 | 福建省特种设备检验研究院 | Tower crane climbing safety belt hanging device and application method thereof |
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