CN215667011U - Portal manned platform - Google Patents
Portal manned platform Download PDFInfo
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- CN215667011U CN215667011U CN202121170572.6U CN202121170572U CN215667011U CN 215667011 U CN215667011 U CN 215667011U CN 202121170572 U CN202121170572 U CN 202121170572U CN 215667011 U CN215667011 U CN 215667011U
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Abstract
The utility model discloses a portal manned platform, which relates to the technical field of manned platforms and comprises a crane, a manned platform and an electrical system, wherein the crane comprises a lifting mechanism, a portal, a cart travelling mechanism, a driving device and a track device, the manned platform comprises a platform, a protective railing and a rope locking device, the cart travelling mechanism is connected with the lower part of a portal leg, the lifting mechanism is arranged above the portal, the track device is arranged below the cart travelling mechanism, the manned platform is connected with the lifting mechanism, the portal leg is of a skid-mounted structure, and the sections of the portal leg are connected through a pin shaft Modularized hoisting portal manned platform easy to assemble and disassemble and capable of being transferred quickly.
Description
Technical Field
The utility model relates to the technical field of manned platforms, in particular to a device for hoisting the manned platform by a gantry.
Background
At present, some cranes which meet the relevant national standard safety construction standards are adopted for hoisting manned platforms, the site installation and the disassembly are unchanged, if the manned platforms meet the working condition that frequent transition is needed, a large amount of time is occupied for the installation and the disassembly, the construction and the transportation are not facilitated, and some cranes are adopted for hoisting, so that certain potential safety hazards are generated. Manned platform is mostly fixed dimension, can only be to corresponding construction operating mode, and different construction environment just needs the manned platform of unidimensional not, causes certain waste, if meet the construction operating mode of big variable cross section down, and fixed dimension's manned platform just can't be competent.
Therefore, in the prior art, a chinese utility model patent document with an authorization publication number of CN211255176U and an authorization publication date of 2020, 8 and 14 is proposed to solve the above existing technical problems, and the technical solution disclosed in the patent document is as follows:
a lifting frame for subway ultra-deep shaft construction comprises supporting legs, a track and a travelling crane, wherein the travelling crane can horizontally move through the track, travelling wheels are arranged below the supporting legs and are in rolling contact with the ground, and the travelling wheels are convenient to move; according to the lifting platform, the anti-collision device is arranged, so that when the lifting platform shakes to collide with the vertical shaft, adverse effects caused by collision can be relieved, the lifting hook is matched with the lifting platform, the working area is enlarged by enlarging the lifting platform, the working efficiency is improved, the anti-collision device and the protective guard are additionally arranged, the safety is further improved, and the telescopic support frame is fixedly arranged on the equipment main body, so that the lifting frame is fixed to be operated for a long time, and the stability is further improved.
In the actual use process, the technology can partially and effectively solve the moving problem of the whole device and simultaneously improve the safety and the stability of the whole device. But because the scheme of its adoption mainly is through being provided with the walking wheel in hoisting frame supporting leg below and conveniently removing, this kind of setting can be favorable to the removal and the adjustment of little distance, but to the problem of the too big removal of distance or the operating mode of often changeing, then not solved, simultaneously through increaseing lift platform, increase the mode of operation area, although work efficiency has been improved, but also limited the application scope of this device, only can be to corresponding construction operating mode, do not solve different construction environment and just need not unidimensional manned platform, cause certain waste, if meet the construction operating mode of big variable cross-section down, the manned platform of fixed dimension just can't be competent problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a portal manned platform which can well solve the technical problems that installation and disassembly occupy a large amount of time and are not beneficial to construction, so that the working efficiency is improved, the construction cost is reduced, meanwhile, the manned platform can meet the requirements of different construction working conditions through expansion, and the portal manned platform can be used for hoisting portals which need to be light in weight, modularized, easy to assemble and disassemble and capable of being transferred quickly.
The utility model is realized by adopting the following technical scheme:
the utility model provides a portal manned platform, includes hoist, manned platform, electric system, the hoist includes hoisting mechanism, portal, cart running gear, drive arrangement, rail set, manned platform includes platform, protection railing, lock rope device, and cart running gear is connected with portal gateleg lower part, and hoisting mechanism arranges the portal top in, and rail set arranges cart running gear below in, and manned platform is connected with hoisting mechanism, the portal gateleg is sled dress formula structure, adopts round pin hub connection between the section of gateleg and the section.
Furthermore, the driving device adopts a three-in-one structure that the motor, the brake and the speed reducer are combined into a whole.
Furthermore, the motor of the driving device is selected according to full load, the low-speed end of the speed reducer is provided with double output shafts, the rated output torque of each output shaft adopts a redundancy design, and the rated output torque is selected according to 2 times of the actual required torque.
Further, the driving device is installed in a lower beam body of the gantry.
Furthermore, a hoisting system of the hoisting mechanism adopts a double-drum redundancy design and is respectively a first drum and a second drum which are symmetrically arranged, one end of a first steel wire rope is fixed at the left end of the first drum through a pressing plate, and the other end of the first steel wire rope bypasses a first pulley on the left side of the lifting appliance and is fixed at one end of a first balance lever; one end of a second steel wire rope is fixed at the left end of the second winding drum through a pressing plate, and the other end of the second steel wire rope is fixed at the other end of the first balance lever by bypassing a second pulley on the left side of the hanger; one end of a third steel wire rope is fixed at the right side end of the first reel through a pressing plate, and the other end of the third steel wire rope bypasses a third pulley on the right side of the lifting appliance and is fixed at one end of a second balance lever; one end of a fourth steel wire rope is fixed at the right side end of the second winding drum through the pressing plate, and the other end of the fourth steel wire rope bypasses a fourth pulley on the right side of the lifting appliance and is fixed at the other end of the second balance lever.
Furthermore, cart running gear adopts 45 subdivision formula wheel group, is equipped with 4 groups of wheels altogether, and 2 groups on every side are symmetrical to be arranged, totally 4 wheels, and 2 of them driving wheel, driving wheel sprocket pass through the chain and are connected with the sprocket of drive arrangement output.
Furthermore, a deceleration safety ruler and a positioning safety ruler are arranged near the center of the crane.
Further, manned platform is provided with stabilising arrangement, and stabilising arrangement mainly comprises electric putter, totally 3 departments or set up many departments as required, and electric putter fixes in the platform bottom, and the push rod head is provided with the guide pulley.
Furthermore, 4 positions are arranged on the rope locking device, redundancy design is achieved, one end of the rope locking device is connected with a lifting lug arranged on the platform through a pin shaft, and the other end of the rope locking device is connected with a hook through a pin shaft.
Furthermore, a push-pull type supporting beam is arranged on the outer ring of the manned platform, the manned platform main body and the supporting beam are made of rectangular steel pipes, and the type of the rectangular steel pipes for the supporting beam is smaller than that of the rectangular steel pipes for the manned platform.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the gantry crane, the equipment meets the relevant national standard safety construction specification, meets the requirements on safety and reliability, the gantry door leg is of a skid-mounted structure, the sections of the door leg are connected through a pin shaft, when the crane is disassembled and assembled, firstly, hoisting equipment is used for holding the top of the gantry, then, the pin shaft between the second door leg subsection and the first door leg subsection is removed, the hoisting equipment slowly lowers the upper portion of the gantry crane to a position where a pin hole of the second door leg subsection is overlapped with a pin hole at the bottom of the first door leg subsection, then, the pin shaft is conveyed into the pin hole to be fixed, and the overall height of the crane is reduced by a part. And the hoisting equipment continuously holds the top of the portal frame, then takes off the pin shaft between the third door leg segment and the second door leg segment, slowly lowers the upper part of the portal crane to a position where the pin hole of the third door leg segment is superposed with the pin hole at the bottom of the second door leg segment and the pin hole at the bottom of the first door leg segment, and then stops, and then transfers the pin shaft into the pin hole for fixation. The whole height of the crane is reduced to the range within the width limit, the height limit and the weight limit of highway transportation, the crane can be integrally transported with a manned platform, the door legs can be lifted, the gantry is convenient and quick to install on site, the crane is simple and convenient to detach, and the crane can be installed and detached on site only by using a small crane.
2. In the utility model, the driving device adopts a three-in-one structure that the motor, the brake and the speed reducer are combined into a whole and are respectively driven. The structure has the advantages of large transmission torque, compact structure, stable work, low noise and long service life, and simultaneously reduces the dead weight, the occupied area and the maintenance cost, is convenient to install and disassemble, and makes the transportation more convenient.
3. According to the utility model, the hoisting motor is selected according to full load, the low-speed end of the speed reducer is provided with the double output shafts, the rated output torque of each output shaft adopts a redundancy design and is selected according to 2 times of the actually required torque, and the measures can be adopted to ensure that the hoisting mechanism can still continue to be hoisted according to the rated speed under the condition that any one steel wire rope is broken.
4. In the utility model, the driving device is arranged in the lower beam body of the gantry, so that the external dimension of the crane is reduced, and the transportation and the installation are convenient.
5. In the utility model, a hoisting system of a hoisting mechanism adopts a double-drum redundancy design and comprises a first drum and a second drum which are symmetrically arranged, one end of a first steel wire rope is fixed at the left end part of the first drum through a pressing plate, and the other end of the first steel wire rope bypasses a first pulley on the left side of a lifting appliance and is fixed at one end of a first balance lever; one end of a second steel wire rope is fixed at the left end of the second winding drum through a pressing plate, and the other end of the second steel wire rope is fixed at the other end of the first balance lever by bypassing a second pulley on the left side of the hanger; one end of a third steel wire rope is fixed at the right side end of the first reel through a pressing plate, and the other end of the third steel wire rope bypasses a third pulley on the right side of the lifting appliance and is fixed at one end of a second balance lever; one end of a fourth steel wire rope is fixed to the right side end of the second winding drum through the pressing plate, the other end of the fourth steel wire rope bypasses a fourth pulley on the right side of the lifting appliance and is fixed to the other end of the second balance lever, safety and synchronism of the whole device are improved, and even if one motor fails, the lifting mechanism can also work normally.
6. In the utility model, the cart travelling mechanism adopts a 45-degree split wheel set, 4 sets of wheels are arranged, 2 sets of wheels on each side are symmetrically arranged, 4 wheels are arranged, 2 driving wheels are arranged, and a driving wheel chain wheel is connected with a chain wheel at the output end of a driving device through a chain, so that the overhanging size of the wheel set is reduced.
7. According to the utility model, the deceleration safety ruler and the positioning safety ruler are arranged near the installation center of the crane, the control system controls the crane to decelerate after the deceleration travel switch contacts the deceleration safety ruler, and controls the crane to stop when the positioning travel switch contacts the positioning safety ruler, so that the center of the manned platform hung under the crane is aligned with the installation position center, and then the manned platform can be placed later without repeated adjustment and is positioned quickly.
8. According to the utility model, the manned platform is provided with the stabilizing device, the stabilizing device mainly comprises electric push rods, 3 positions or a plurality of positions are arranged as required, the electric push rods are fixed at the bottom of the platform, the heads of the push rods are provided with guide wheels and retract into the platform when not in use, and after the operation platform is placed to a preset working position, the rollers at the heads of the electric push rods extend out of a working surface, so that the platform is ensured not to shake, and the stability and the safety of the manned platform are improved.
9. In the utility model, 4 parts of the rope locking device are arranged, the rope locking device is designed in a redundant manner, one end of the rope locking device is connected with a lifting lug arranged on the platform through a pin shaft, the other end of the rope locking device is connected with a hook through a pin shaft, and the manned platform is placed to a preset working position and then hung on an anchor chain through the hook, is used for holding the manned platform and improves the stability and the safety of the manned platform.
10. According to the utility model, the push-pull type supporting beam is arranged on the outer ring of the manned platform, the manned platform main body and the supporting beam are both made of rectangular steel pipes, the type of the rectangular steel pipe for the supporting beam is smaller than that of the rectangular steel pipe of the manned platform, the supporting beam can be sleeved in the rectangular steel pipe of the main body, the overall dimension of the platform can be controlled by pushing and pulling the supporting beam on the outer ring, the requirements of different operation occasions are met, the manned platform can be deformed, the installation requirements of different dimensions can be met through the expanding mechanism, and the adaptability and the universality of the manned platform are improved.
Drawings
The utility model will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
FIG. 1 is a schematic structural front view of the present invention;
FIG. 2 is a schematic side view of the structure of the present invention;
FIG. 3 is a schematic front view of a movable pulley block with a rotatable hook;
FIG. 4 is a schematic side view of a movable pulley block with a rotatable hook;
FIG. 5 is a schematic view of a road transport people carrying platform;
FIGS. 6 and 7 are schematic diagrams of the system layout of the deceleration safety ruler and the positioning safety ruler;
fig. 8 is a schematic view of the locking rope arrangement holding the people carrying platform.
The labels in the figure are:
1. hoisting mechanism, 2, portal, 3, manned platform, 4, cart running gear, 5, rail set, 6, quick positioner, 7, stop device, 8, first segmentation, 9, second segmentation, 10, third segmentation, 11, round pin axle, 12, installation region central line, 13, hoist bottom end rail, 14, speed reduction safety ruler, 15, location safety ruler, 16, speed reduction travel switch, 17, location travel switch.
Detailed Description
Example 1
As a preferred embodiment of the present invention, a gantry manned platform comprises a crane, a manned platform 3 and an electrical system, wherein the crane comprises a hoisting mechanism 1, a gantry 2, a cart travelling mechanism, a driving device and a track device 5, the manned platform 3 comprises a platform, a guard rail and a rope locking device, the cart travelling mechanism is connected with the lower part of a leg of the gantry 2, the hoisting mechanism 1 is arranged above the gantry 2, the track device 5 is arranged below the cart travelling mechanism, the manned platform 3 is connected with the hoisting mechanism 1, the leg of the gantry 2 is of a skid-mounted structure, a section of the leg is connected with a section by a pin 11, and the driving device adopts a high-power gear reduction motor. The motor of the driving device is selected according to actual needs, the rated output torque of each output shaft is selected according to the actual needed torque, the driving device is installed in a lower beam body of the gantry 2, a hoisting system of the hoisting mechanism 1 adopts a double-drum redundancy design and is respectively a first drum and a second drum, the two drums are symmetrically arranged, one end of a first steel wire rope is fixed at the left end part of the first drum through a pressing plate, and the other end of the first steel wire rope bypasses a first pulley on the left side of a lifting appliance and is fixed at one end of a first balance lever; one end of a second steel wire rope is fixed at the left end of the second winding drum through a pressing plate, and the other end of the second steel wire rope is fixed at the other end of the first balance lever by bypassing a second pulley on the left side of the hanger; one end of a third steel wire rope is fixed at the right side end of the first reel through a pressing plate, and the other end of the third steel wire rope bypasses a third pulley on the right side of the lifting appliance and is fixed at one end of a second balance lever; one end of a fourth steel wire rope is fixed at the right side end of the second winding drum through a pressing plate, the other end of the fourth steel wire rope bypasses a fourth pulley on the right side of the lifting appliance and is fixed at the other end of the second balance lever, the cart traveling mechanism adopts 45-degree split wheel sets, 4 sets of wheels are arranged, 2 sets of wheels are symmetrically arranged on each side, 4 wheels are arranged, wherein 2 driving wheel, the driving wheel sprocket passes through the chain and is connected with the sprocket of drive arrangement output, the hoist is provided with speed reduction safety rule 14 and location safety rule 15 near the center of installation, manned platform 3 is provided with stabilising arrangement, stabilising arrangement mainly comprises electric putter, 3 total or set up many places as required, electric putter fixes in the platform bottom, the push rod head is provided with the guide pulley, the lock rope device is provided with 4 departments altogether, the redundant design, one end is connected with the lug that sets up on the platform through round pin axle 11, the other end is connected with the couple through round pin axle 11.
Example 2
As the best implementation mode of the utility model, referring to the attached figure 1 of the specification, a portal manned platform comprises a crane, a manned platform 3 and an electrical system, wherein the crane comprises a hoisting mechanism 1, a portal 2, a cart travelling mechanism, a driving device and a track device 5, the manned platform 3 comprises a platform, a protective railing and a rope locking device, the cart travelling mechanism is connected with the lower part of a portal 2 door leg, the hoisting mechanism 1 is arranged above the portal 2, the track device 5 is arranged below the cart travelling mechanism, the manned platform 3 is connected with the hoisting mechanism 1, the portal 2 door leg is of a skid-mounted structure, the sections of the door leg are connected through a pin shaft 11, and the driving device is of a three-in-one structure formed by combining a motor, a brake and a speed reducer. The motor of the driving device is selected according to full load, the low-speed end of the speed reducer is a double-output shaft, the rated output torque of each output shaft adopts a redundant design and is selected according to 2 times of the actual required torque, the driving device is installed in a lower beam body of the gantry 2, a hoisting system of the hoisting mechanism 1 adopts a double-winding-drum redundant design and is respectively a first winding drum and a second winding drum, the two winding drums are symmetrically arranged, one end of a first steel wire rope is fixed at the left end part of the first winding drum through a pressing plate, and the other end of the first steel wire rope bypasses a first pulley on the left side of a lifting appliance and is fixed at one end of a first balance lever; one end of a second steel wire rope is fixed at the left end of the second winding drum through a pressing plate, and the other end of the second steel wire rope is fixed at the other end of the first balance lever by bypassing a second pulley on the left side of the hanger; one end of a third steel wire rope is fixed at the right side end of the first reel through a pressing plate, and the other end of the third steel wire rope bypasses a third pulley on the right side of the lifting appliance and is fixed at one end of a second balance lever; one end of a fourth steel wire rope is fixed at the right side end of the second winding drum through a pressing plate, the other end of the fourth steel wire rope bypasses a fourth pulley on the right side of the lifting appliance and is fixed at the other end of the second balance lever, the cart walking mechanism adopts a 45-degree split wheel set, 4 groups of wheels are arranged, 2 groups on each side are symmetrically arranged, 4 wheels are arranged, 2 driving wheels are arranged, a driving wheel chain wheel is connected with a chain wheel at the output end of a driving device through a chain, a speed reduction safety ruler 14 and a positioning safety ruler 15 are arranged near the center of the installation of the crane, the manned platform 3 is provided with a stabilizing device which mainly comprises electric push rods, 3 parts or a plurality of parts are arranged as required, the electric push rods are fixed at the bottom of the platform, the head of each push rod is provided with a guide wheel, a rope locking device is provided with 4 parts in total, the redundancy design is arranged, one end of the rope locking device is connected with a lifting lug arranged on the platform through a pin shaft 11, and the other end of the rope locking device is connected with a hook through a pin shaft 11, the outer ring of the manned platform 3 is provided with a push-pull supporting beam, the main body of the manned platform 3 and the supporting beam are made of rectangular steel pipes, and the type of the rectangular steel pipes for the supporting beam is smaller than that of the rectangular steel pipes for the manned platform 3.
Example 3
As another preferred embodiment of the present invention, as the best embodiment of the present invention, referring to the attached drawing 1 of the specification, a portal manned platform comprises a crane, a manned platform 3 and an electrical system, wherein the crane comprises a hoisting mechanism 1, a portal 2, a cart traveling mechanism, a driving device and a track device 5, the manned platform 3 comprises a platform, a guard rail and a rope locking device, the cart traveling mechanism is connected with the lower part of a portal 2 door leg, the hoisting mechanism 1 is arranged above the portal 2, the track device 5 is arranged below the cart traveling mechanism, the manned platform 3 is connected with the hoisting mechanism 1, the portal 2 door leg is of a skid-mounted structure, the sections of the door leg are connected by a pin shaft 11, the driving device comprises a motor, a brake and a speed reducer, the motor of the driving device is fully loaded, the low-speed end of the speed reducer is a double output shaft, the rated output torque of each output shaft is designed in a redundancy way, the hoisting mechanism is characterized in that a driving device is selected according to 2 times of actually required torque, the driving device is installed in a lower beam body of a portal frame 2, a hoisting system of the hoisting mechanism 1 adopts a double-drum design and is respectively a first drum and a second drum, the two drums are symmetrically arranged, one end of a first steel wire rope is fixed at the left end part of the first drum through a pressing plate, and the other end of the first steel wire rope bypasses a first pulley on the left side of a hanger and is fixed at one end of a first balance lever; one end of a second steel wire rope is fixed at the left end of the second winding drum through a pressing plate, and the other end of the second steel wire rope is fixed at the other end of the first balance lever by bypassing a second pulley on the left side of the hanger; one end of a third steel wire rope is fixed at the right side end of the first reel through a pressing plate, and the other end of the third steel wire rope bypasses a third pulley on the right side of the lifting appliance and is fixed at one end of a second balance lever; one end of a fourth steel wire rope is fixed to the right side end of the second winding drum through a pressing plate, the other end of the fourth steel wire rope bypasses a fourth pulley on the right side of the lifting appliance and is fixed to the other end of the second balance lever, the cart travelling mechanism adopts a 45-degree split wheel set and is provided with 4 groups of wheels, 2 groups on each side are symmetrically arranged, 4 wheels are arranged, 2 driving wheels are arranged, a driving wheel chain wheel is connected with a chain wheel at the output end of the driving device through a chain, 2 rope locking devices are arranged, one end of each rope locking device is connected with a lifting lug arranged on the platform through a pin shaft 11, and the other end of each rope locking device is connected with a hook through a pin shaft 11.
Example 4
As a further preferred embodiment of the present invention, as another preferred embodiment of the present invention, referring to the attached figure 1 of the specification, a portal manned platform comprises a crane, a manned platform 3 and an electrical system, wherein the crane comprises a lifting mechanism 1, a portal 2, a cart travelling mechanism, a driving device and a track device 5, the manned platform 3 comprises a platform, a guard rail and a rope locking device, the cart travelling mechanism is connected with the lower part of a portal 2 door leg, the lifting mechanism 1 is arranged above the portal 2, the track device 5 is arranged below the cart travelling mechanism, the manned platform 3 is connected with the lifting mechanism 1, the portal 2 door leg is of a skid-mounted structure, a section of the door leg is connected with a section by a pin 11, the driving device comprises a motor, a brake and a speed reducer, the motor of the driving device is selected according to full load, the low-speed end of the speed reducer is double output shafts, the rated output torque of each output shaft adopts a redundancy design and is selected according to 2 times of the actual required torque, the driving device is installed in the lower beam body of the gantry 2, the hoisting system of the hoisting mechanism 1 adopts a double-drum design, and a steel wire rope is wound from the second drum group on one side to the first drum group on the other side and is connected with the manned platform 3. The cart traveling mechanism adopts 45-degree split wheel sets, 4 sets of wheels are arranged, 2 sets of wheels are symmetrically arranged on each side, 4 wheels are arranged, wherein 2 driving wheels, the driving wheel chain wheel is connected with the chain wheel at the output end of the driving device through a chain, a speed reduction safety ruler 14 and a positioning safety ruler 15 are arranged near the center of the installation of the crane, the manned platform 3 is provided with a stabilizing device, the stabilizing device mainly comprises an electric push rod, 3 positions or a plurality of positions are arranged as required, the electric push rod is fixed at the bottom of the platform, the head part of the push rod is provided with a guide wheel, 4 positions are arranged on the rope locking device, the redundancy design is realized, one end is connected with a lifting lug arranged on the platform through a pin shaft 11, the other end is connected with a hook through a pin shaft 11, the outer ring of the manned platform 3 is provided with a push-pull supporting beam, the main body of the manned platform 3 and the supporting beam are made of rectangular steel pipes, and the type of the rectangular steel pipes for the supporting beam is smaller than that of the rectangular steel pipes for the manned platform 3.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a portal manned platform, a serial communication port, includes hoist, manned platform (3), electric system, the hoist includes hoisting mechanism (1), portal (2), cart running gear, drive arrangement, rail set (5), manned platform (3) are including platform, protection railing, rope locking device, and cart running gear is connected with portal (2) gateleg lower part, and portal (2) top is arranged in hoisting mechanism (1), and cart running gear below is arranged in rail set (5), and manned platform (3) are connected with hoisting mechanism (1), portal (2) gateleg is sled dress formula structure, adopts round pin axle (11) to be connected between the section of gateleg and the section.
2. The portal people carrying platform according to claim 1, wherein: the driving device adopts a three-in-one structure integrating a motor, a brake and a speed reducer and drives respectively.
3. The portal people carrying platform according to claim 2, wherein: the motor of the driving device is selected according to full load, the low-speed end of the speed reducer is provided with double output shafts, the rated output torque of each output shaft adopts a redundancy design, and the motor is selected according to 2 times of the actual required torque.
4. The portal people carrying platform according to claim 1, wherein: the driving device is installed in a lower beam body of the gantry (2).
5. The portal people carrying platform according to claim 1, wherein: the hoisting system of the hoisting mechanism (1) adopts a double-drum redundancy design and comprises a first drum and a second drum which are symmetrically arranged, one end of a first steel wire rope is fixed at the left end of the first drum through a pressing plate, and the other end of the first steel wire rope bypasses a first pulley on the left side of a lifting appliance and is fixed at one end of a first balance lever; one end of a second steel wire rope is fixed at the left end of the second winding drum through a pressing plate, and the other end of the second steel wire rope is fixed at the other end of the first balance lever by bypassing a second pulley on the left side of the hanger; one end of a third steel wire rope is fixed at the right side end of the first reel through a pressing plate, and the other end of the third steel wire rope bypasses a third pulley on the right side of the lifting appliance and is fixed at one end of a second balance lever; one end of a fourth steel wire rope is fixed at the right side end of the second winding drum through the pressing plate, and the other end of the fourth steel wire rope bypasses a fourth pulley on the right side of the lifting appliance and is fixed at the other end of the second balance lever.
6. The portal people carrying platform according to claim 1, wherein: the cart running gear adopts 45 subdivision formula wheel group, is equipped with 4 groups of wheels altogether, and 2 groups of each side are symmetrical to be arranged, totally 4 wheels, and 2 of them driving wheel, driving wheel sprocket pass through the chain and are connected with the sprocket of drive arrangement output.
7. The portal people carrying platform according to claim 1, wherein: the crane is provided with a speed reduction safety ruler (14) and a positioning safety ruler (15) near the center of installation.
8. The portal people carrying platform according to claim 1, wherein: manned platform (3) are provided with stabilising arrangement, and stabilising arrangement mainly comprises electric putter, and total 3 departments or set up many as required, and electric putter fixes in the platform bottom, and the push rod head is provided with the guide pulley.
9. The portal manned platform according to claim 1, wherein the rope locking device is provided with 4 positions, and is of a redundant design, one end of the rope locking device is connected with a lifting lug arranged on the platform through a pin shaft (11), the other end of the rope locking device is connected with a hook through the pin shaft (11), and the hook is hung on an anchor chain after the operation platform is lowered to a preset operation position.
10. The portal people carrying platform according to claim 1, wherein: the outer ring of the manned platform (3) is provided with a push-pull type supporting beam, the main body of the manned platform (3) and the supporting beam are made of rectangular steel pipes, and the type of the rectangular steel pipes for the supporting beam is smaller than that of the rectangular steel pipes of the manned platform (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121170572.6U CN215667011U (en) | 2021-05-28 | 2021-05-28 | Portal manned platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121170572.6U CN215667011U (en) | 2021-05-28 | 2021-05-28 | Portal manned platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215667011U true CN215667011U (en) | 2022-01-28 |
Family
ID=79973148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121170572.6U Active CN215667011U (en) | 2021-05-28 | 2021-05-28 | Portal manned platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215667011U (en) |
-
2021
- 2021-05-28 CN CN202121170572.6U patent/CN215667011U/en active Active
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