CN111825029A - Multifunctional self-adaptive maintenance platform and operation method thereof - Google Patents
Multifunctional self-adaptive maintenance platform and operation method thereof Download PDFInfo
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- CN111825029A CN111825029A CN201910323399.XA CN201910323399A CN111825029A CN 111825029 A CN111825029 A CN 111825029A CN 201910323399 A CN201910323399 A CN 201910323399A CN 111825029 A CN111825029 A CN 111825029A
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- lifting frame
- working
- hanging basket
- lifting
- basket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
Abstract
The invention relates to a multifunctional self-adaptive maintenance platform and an operation method thereof, wherein the multifunctional self-adaptive maintenance platform comprises a lifting frame, the lifting frame is of a square frame type structure, upper guide wheel assemblies are respectively arranged on two sides of the upper part of the lifting frame, lower guide wheel assemblies are respectively arranged on two sides of the middle part of the lifting frame, lifting machines are respectively arranged on two sides of the lower part of the lifting frame, and a centrifugal safety lock is arranged on the lifting frame above each lifting machine; the front side of the lifting frame is connected with the working hanging basket through a swing arm and screw rod mechanism, and the rear side of the bottom of the lifting frame is provided with a balancing weight through a balancing weight bracket; the working hanging basket does lifting motion along with the lifting frame, and the working hanging basket does transverse telescopic motion relative to the lifting frame through rotation of the swing arm. The invention has the advantages of compact and reasonable structural design and convenient operation, enlarges the operation range of the hanging basket, expands the movement direction of the hanging basket and improves the positioning precision and the working efficiency.
Description
Technical Field
The invention relates to the technical field of maintenance platforms, in particular to a multifunctional self-adaptive maintenance platform and an operation method thereof.
Background
In the technical field of maintenance platforms, workers can lift along with the platforms to complete maintenance operation, but most of platforms can not move along the transverse direction and can only move along the vertical direction, the operation path is single, and the maintenance application in some special places can not be met, for example, the maintenance platform applied to maintenance of wind driven generator blades cannot move along the radial direction of the blades, so that the maintenance difficulty is caused.
Disclosure of Invention
The applicant provides a multifunctional self-adaptive maintenance platform and an operation method thereof aiming at the defects in the prior art, so that a hanging basket can transversely move while lifting and moving are completed under the condition that a steel wire rope is not inclined as much as possible, the operation path and range are expanded, and the operation efficiency is improved.
The technical scheme adopted by the invention is as follows:
a multifunctional self-adaptive maintenance platform comprises a lifting frame, wherein the lifting frame is of a square frame type structure, upper guide wheel assemblies are respectively arranged on two sides of the upper portion of the lifting frame, lower guide wheel assemblies are respectively arranged on two sides of the middle portion of the lifting frame, lifting machines are respectively arranged on two sides of the lower portion of the lifting frame, and a centrifugal safety lock is arranged on the lifting frame above each lifting machine; the front side of the lifting frame is connected with the working hanging basket through a swing arm and screw rod mechanism, and the rear side of the bottom of the lifting frame is provided with a balancing weight through a balancing weight bracket; the working hanging basket does lifting motion along with the lifting frame, and the working hanging basket does telescopic motion relative to the lifting frame through the rotation of the swing arm.
As a further improvement of the above technical solution:
the swing arms are vertically arranged at intervals on two sides of the lifting frame, two swing arms of each group are symmetrically arranged, and the swing arms on each side are arranged in parallel; one end of each swing arm is hinged to the front side face of the lifting frame, and the other end of each swing arm is hinged to the rear side face of the working hanging basket; two swing arms of one group are connected through a connecting rod which is transversely arranged, and the connecting rod is connected with the screw rod mechanism.
The two ends of the connecting rod are respectively connected with the corresponding swing arms through connecting screw shafts, and the middle part of the connecting rod is provided with a connecting square seat.
The structure of the screw rod mechanism is as follows: the working hanging basket comprises a screw rod, wherein the screw rod is installed in an installation hole in the rear side of the working hanging basket through an adjusting nut on the upper portion of the screw rod, a handle stretching into the working hanging basket is sleeved at the top end of the screw rod, the screw rod penetrates through a connecting square seat and is matched with the connecting square seat, and the screw rod nut is installed at the bottom end of the screw rod.
The working hanging basket is of a frame type box structure with an opening at the upper part, two doors are respectively arranged on two sides of the front surface of the working hanging basket, door locks are respectively arranged on the tops of the two doors, and a stainless steel chain is arranged on one side of each door lock; the inner side of each door is provided with a folding guardrail, the two guardrails are symmetrically arranged, the bottom edge of each guardrail is hinged with the edge of the bottom plate in the working hanging basket, and when the door is opened, the bottom edge of the guardrail rotates around the edge of the bottom plate and forms a horizontal supporting plate after being opened towards the outside of the working hanging basket.
Two electromagnetic chuck assemblies are mounted in the middle of the upper portion of the lifting frame at intervals, an upper limit switch is mounted on the lifting frame above the upper guide wheel assembly, and wall leaning wheels are mounted on the rear side face of the lifting frame at intervals in the vertical direction.
The bottom of the working hanging basket is connected with a lower hanging basket which is the same as the working hanging basket in structure, and the working hanging basket and the lower hanging basket are connected through a shaft pin and a hanging plate or connected through a bolt.
And an upper limit switch is also arranged on the lifting frame at the upper part of the upper guide wheel assembly.
An operating method of a multifunctional adaptive maintenance platform comprises the following steps:
the first step is as follows: four steel wire ropes with one ends fixed are placed in a machine box of the wind driven generator, each two steel wire ropes are arranged in groups, the steel wire ropes of each group sequentially penetrate through an upper guide wheel assembly and a lower guide wheel assembly, one steel wire rope is inserted into a hoisting machine, and the other steel wire rope is inserted into a centrifugal safety lock;
the second step is that: starting a hoist, wherein the hoist is driven by a steel wire rope to ascend upwards from the ground along the vertical surface of the tower column of the fan;
the third step: opening a door of the working hanging basket, and locking the door lock after a worker enters the working hanging basket;
the fourth step: adjusting the position of the balancing weight on the counterweight support to keep the lifting frame balanced;
the fifth step: after the lifting frame continues to rise to the target height on the vertical surface of the wind tower, stopping the lifting machine, starting the electromagnetic chuck assembly, and sucking the lifting frame on a fan tower column positioned on the rear side of the lifting frame;
and a sixth step: the handle is rotated, and the working hanging basket is extended out through the screw rod mechanism and the swing arm;
the seventh step: the handle is rotated reversely to retract the working hanging basket;
eighth step: the hoist operates to lower the lifting frame back to the ground.
The invention has the following beneficial effects:
the lifting machine is arranged on the lifting frame, the lifting frame and the working hanging basket are driven by the steel wire rope to move up and down along the vertical surface of the wind tower, and the transverse extension of the working hanging basket is realized by the screw rod mechanism and the swing arm, so that the range of a working path is greatly expanded, the mounting operation is convenient, and the maintenance is convenient. Meanwhile, the invention also has the following advantages:
1. the handle of the screw rod mechanism is positioned in the working hanging basket, and workers working in the hanging basket can finish the expansion and contraction of the working hanging basket by directly rotating the handle according to working requirements, so that the screw rod mechanism is convenient to operate and accurate in positioning.
2. The electromagnetic chuck component is adsorbed to the tower column of the fan through the electromagnetic chuck by utilizing the principle of electromagnetic force, so that the working hanging basket is ensured to reduce shaking or not shake in the working process.
3. The guardrail is foldable, when the working hanging basket needs to stand outside, the guardrail is rotated outwards to a horizontal position, the working area of the platform is increased, and the guardrail is retracted to the inner side of the door of the working hanging basket when not in use, so that the guardrail does not occupy space.
4. The centrifugal safety lock is an independent mechanical device, and can automatically lock a safety steel wire rope when the working steel wire rope is broken or a working hanging basket drops quickly.
5. The lower part of the working hanging basket can be provided with a lower hanging basket, so that the requirement of a plurality of workers at different heights for simultaneous operation is met, and the utilization rate of the hanging basket is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Figure 3 is a front view of the work basket of the present invention.
Figure 4 is a side view of the work basket of the present invention.
Figure 5 is a schematic view of the extended state of the inventive work basket.
Fig. 6 is a front view of the inventive hoist frame.
Fig. 7 is a schematic structural view of the connecting rod of the present invention.
Fig. 8 is a schematic structural diagram of the screw mechanism of the present invention.
Fig. 9 is a schematic structural view of fig. 6 with the screw mechanism and the weight holder removed.
Fig. 10 is a side view of fig. 9.
Figure 11 is a schematic view of the structure of the invention for mounting the work basket and the lower basket.
FIG. 12 is the assembled working state of the working basket and the lower basket.
Wherein: 1. an upper limit switch; 2. an upper guide wheel assembly; 3. a hoisting frame; 4. a wall-leaning wheel; 5. a lower guide wheel assembly; 6. swinging arms; 7. a centrifugal safety lock; 8. a hoist; 9. a balancing weight; 10. a counterweight bracket; 11. an electromagnetic chuck assembly; 12. a screw mechanism; 13. a working hanging basket; 14. a wire rope; 15. a connecting rod; 16. a shaft pin; 17. a lower hanging basket; 18. hanging the plate; 121. a lead screw nut; 122. a screw rod; 123. adjusting the nut; 124. a handle; 131. a door lock; 132. a stainless steel chain; 133. a door; 134. a guardrail; 135. a base plate; 136. mounting holes; 152. connecting a screw shaft; 151. and connecting the square base.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and fig. 2, the multifunctional adaptive maintenance platform of the present embodiment includes a lifting frame 3, the lifting frame 3 is a square frame structure, upper guide wheel assemblies 2 are respectively installed on two sides of the upper portion of the lifting frame 3, lower guide wheel assemblies 5 are respectively installed on two sides of the middle portion of the lifting frame 3, elevators 8 are respectively installed on two sides of the lower portion of the lifting frame 3, and a centrifugal safety lock 7 is installed on the lifting frame 3 above each elevator 8; the front side of the lifting frame 3 is connected with a working hanging basket 13 through a swing arm 6 and a screw rod mechanism 12, and the rear side of the bottom of the lifting frame 3 is provided with a balancing weight 9 through a balancing weight bracket 10; the working basket 13 moves up and down along with the lifting frame 3, and the working basket 13 moves telescopically relative to the lifting frame 3 through the rotation of the swing arm 6.
As shown in fig. 3 and 4, the work basket 13 is of a frame-type box-type structure with an upper opening, two doors 133 are respectively mounted on two sides of the front surface of the work basket 13, door locks 131 are mounted on the tops of the two doors 133, and a stainless steel chain 132 is arranged on one side of each door lock 131; the inner side of each door 133 is provided with a folding guardrail 134, the two guardrails 134 are symmetrically arranged, the bottom edge of each guardrail 134 is hinged with the edge of the bottom plate 135 inside the work basket 13, and when the door 133 is opened, the bottom edge of each guardrail 134 rotates around the edge of the bottom plate 135 and forms a horizontal supporting plate after being opened towards the outside of the work basket 13.
As shown in fig. 5, a plurality of groups of swing arms 6 are vertically arranged at intervals on two sides of the lifting frame 3, two swing arms 6 of each group are symmetrically arranged, and the swing arms 6 on each side are arranged in parallel; one end of each swing arm 6 is hinged to the front side surface of the lifting frame 3, and the other end of each swing arm is hinged to the rear side surface of the working hanging basket 13; two swing arms 6 of one group are connected through a connecting rod 15 which is transversely arranged, and the connecting rod 15 is connected with the screw rod mechanism 12.
As shown in fig. 6 and 7, two ends of the connecting rod 15 are respectively connected with the corresponding swing arms 6 through connecting screw shafts 152, and a connecting square seat 151 is arranged in the middle of the connecting rod 15.
As shown in fig. 8, the screw mechanism 12 has the structure: the automatic lifting device comprises a screw rod 122, the screw rod 122 is installed in an installation hole 136 at the rear side of a working basket 13 through an adjusting nut 123 at the upper part of the screw rod 122, a handle 124 extending into the working basket 13 is sleeved at the top end of the screw rod 122, the screw rod 122 penetrates through a connecting square seat 151 and is matched with the connecting square seat, and a screw rod nut 121 is installed at the bottom end of the screw rod 122.
As shown in fig. 9 and 10, two electromagnetic chuck assemblies 11 are installed at the middle position of the upper part of the lifting frame 3 at intervals, the upper limit switch 1 is installed on the lifting frame 3 above the upper guide wheel assembly 2, and the wall leaning wheels 4 are installed at intervals along the vertical direction on the rear side surface of the lifting frame 3.
As shown in fig. 11 and 12, a lower basket 17 having the same structure as the work basket 13 is connected to the bottom of the work basket 13, and the work basket 13 and the lower basket 17 are connected to each other by a pin 16 and a hanging plate 18, or connected by a bolt.
The hoister 8 is of the type LTD100A, and an upper limit switch 1 is further mounted on the hoisting frame 3 at the upper part of the upper guide wheel assembly 2.
The operation method of the multifunctional self-adaptive maintenance platform of the embodiment comprises the following steps: the method comprises the following steps:
the first step is as follows: four steel wire ropes 14 with one ends fixed are placed in a machine box of the wind driven generator, each group of two steel wire ropes is provided, the steel wire ropes 14 of each group sequentially penetrate through the upper guide wheel assembly 2 and the lower guide wheel assembly 5, one steel wire rope is inserted into the hoisting machine 8, and the other steel wire rope is inserted into the centrifugal safety lock 7;
the second step is that: starting the hoisting machine 8, and lifting the hoisting frame 3 upwards from the ground along the vertical surface of the tower column of the fan under the driving of the steel wire rope 14;
the third step: the door 133 of the working basket 13 is opened, and the door lock 131 is locked after a worker enters the working basket 13;
the fourth step: adjusting the position of the balancing weight 9 on the balancing weight bracket 10 to keep the lifting frame 3 balanced;
the fifth step: after the lifting frame 3 continues to rise to the target height on the vertical surface of the wind tower, the lifting machine 8 stops, the electromagnetic chuck assembly 11 is started, and the lifting frame 3 is sucked on a fan tower column positioned at the rear side of the lifting frame;
and a sixth step: the handle 124 is rotated to extend the working basket 13 through the screw rod mechanism 12 and the swing arm 6;
the seventh step: reversely rotating the handle 124 to retract the work basket 13;
eighth step: the hoist 8 operates to lower the lifting frame 3 back to the ground.
Two groups of swing arms 6 are arranged along the vertical direction of the lifting frame 3, two of each group are respectively and symmetrically arranged at two sides of the lifting frame 3, two swing arms 6 positioned at the same side are arranged in parallel, and when one group of swing arms 6 rotates under the action of the screw rod mechanism 12, the work hanging basket 13 and the other group of swing arms 6 are driven to move together to complete the telescopic motion of the work hanging basket 13; the wall wheel 4 of the embodiment rolls along the tower column of the fan to provide supporting force when the working hanging basket 13 is lifted; the upper limit switch 1 of the present embodiment functions to limit the rising height of the lifting frame 3.
The electromagnetic chuck assembly of the embodiment adopts commercially available equipment and mainly comprises the electromagnetic chuck, a magnetic suction mounting seat, an adjusting pull shaft, an adjusting bolt, a pin shaft and other parts. The electromagnetic chuck can be attached to the tower column of the fan by adjusting the pull shaft and the adjusting bolt, so that the working hanging basket 13 is ensured to be fixed; the centrifugal safety lock 7 also adopts commercially available equipment and mainly comprises a rope clamp, a sleeve plate, a centrifugal trigger and other parts, and the working principle is that a rope clamp switch is opened during working, a safety steel wire rope can smoothly pass through the centrifugal safety lock, and when the sliding speed of the platform reaches a limit value or the working steel wire rope is broken, the rope clamp of the safety lock is quickly closed and locked under the action of the centrifugal trigger, so that the suspended ship is prevented from continuously inclining or falling; the stainless steel chain 132 of the embodiment works in cooperation with the foldable guard bar 133, and when the guard bar 133 is folded into the horizontal support plate, the guard bar 133 is tightened and fixed by the stainless steel chain 132, so that the safety protection effect is achieved.
The invention has the advantages of compact and reasonable structural design and convenient operation, enlarges the operation range of the hanging basket, expands the movement direction of the hanging basket and improves the positioning precision and the working efficiency.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (9)
1. The utility model provides a multi-functional self-adaptation maintenance platform which characterized in that: the lifting frame (3) is of a square frame structure, guide wheel assemblies (2) are respectively mounted on two sides of the upper portion of the lifting frame (3), lower guide wheel assemblies (5) are respectively mounted on two sides of the middle portion of the lifting frame (3), lifting machines (8) are respectively mounted on two sides of the lower portion of the lifting frame (3), and centrifugal safety locks (7) are mounted on the lifting frame (3) above each lifting machine (8); the front side of the lifting frame (3) is connected with a working hanging basket (13) through a swing arm (6) and a screw rod mechanism (12), and the rear side of the bottom of the lifting frame (3) is provided with a balancing weight (9) through a balancing weight bracket (10); the working hanging basket (13) does lifting motion along with the lifting frame (3), and the working hanging basket (13) rotates through the swing arm (6) and does telescopic motion relative to the lifting frame (3).
2. The multi-functional adaptive maintenance platform of claim 1, wherein: a plurality of groups of swing arms (6) are arranged on two sides of the lifting frame (3) at intervals along the vertical direction, two swing arms (6) of each group are symmetrically arranged, and the swing arms (6) on each side are arranged in parallel; one end of each swing arm (6) is hinged to the front side surface of the lifting frame (3), and the other end of each swing arm is hinged to the rear side surface of the working hanging basket (13); two swing arms (6) in one group are connected through a connecting rod (15) which is transversely arranged, and the connecting rod (15) is connected with the screw rod mechanism (12).
3. A multifunctional adaptive maintenance platform according to claim 2, characterized in that: two ends of the connecting rod (15) are respectively connected with the corresponding swing arms (6) through connecting screw shafts (152), and the middle part of the connecting rod (15) is provided with a connecting square seat (151).
4. A multifunctional adaptive maintenance platform according to claim 3, characterized in that: the screw rod mechanism (12) is structurally characterized in that: the automatic lifting device comprises a screw rod (122), wherein the screw rod (122) is installed in an installation hole (136) in the rear side of a working hanging basket (13) through an adjusting nut (123) on the upper portion of the screw rod (122), a handle (124) stretching into the working hanging basket (13) is sleeved at the top end of the screw rod (122), the screw rod (122) penetrates through a connecting square seat (151) and is matched with the connecting square seat, and a screw nut (121) is installed at the bottom end of the screw rod (122).
5. The multi-functional adaptive maintenance platform of claim 1, wherein: the working basket (13) is of a frame type box structure with an opening at the upper part, two doors (133) are respectively arranged on two sides of the front surface of the working basket (13), door locks (131) are respectively arranged on the tops of the two doors (133), and a stainless steel chain (132) is arranged on one side of each door lock (131); the inner side of each door (133) is provided with a folding guardrail (134), the two guardrails (134) are symmetrically arranged, the bottom edge of each guardrail (134) is hinged with the edge of a bottom plate (135) in the working hanging basket (13), and when the door (133) is opened, the bottom edges of the guardrails (134) rotate around the edge of the bottom plate (135) and form a horizontal supporting plate after being opened towards the outside of the working hanging basket (13).
6. The multi-functional adaptive maintenance platform of claim 1, wherein: two electromagnetic chuck assemblies (11) are installed at the middle position of the upper portion of the lifting frame (3) at intervals, an upper limit switch (1) is installed on the lifting frame (3) above the upper guide wheel assembly (2), and wall leaning wheels (4) are installed on the rear side face of the lifting frame (3) at intervals along the vertical direction.
7. The multi-functional adaptive maintenance platform of claim 1, wherein: the bottom of the working hanging basket (13) is connected with a lower hanging basket (17) with the same structure as the working hanging basket, and the working hanging basket (13) and the lower hanging basket (17) are connected through a shaft pin (16) and a hanging plate (18) or connected through a bolt.
8. The multi-functional adaptive maintenance platform of claim 1, wherein: an upper limit switch (1) is also arranged on the lifting frame (3) at the upper part of the upper guide wheel assembly (2).
9. A method of operation using the multifunctional adaptive maintenance platform of claim 1, characterized by: the method comprises the following steps:
the first step is as follows: four steel wire ropes (14) with one ends fixed are placed in a machine box of the wind driven generator, each group is provided with two steel wire ropes, the steel wire ropes (14) of each group sequentially penetrate through an upper guide wheel assembly (2) and a lower guide wheel assembly (5), one steel wire rope is inserted into a hoisting machine (8), and the other steel wire rope is inserted into a centrifugal safety lock (7);
the second step is that: starting a hoist (8), and lifting the hoisting frame (3) upwards from the ground along the vertical surface of the tower column of the fan under the driving of a steel wire rope (14);
the third step: opening a door (133) of the working basket (13), and locking a door lock (131) after a worker enters the working basket (13);
the fourth step: adjusting the position of the balancing weight (9) on the balancing weight bracket (10) to keep the lifting frame (3) balanced;
the fifth step: after the lifting frame (3) continues to rise to the target height on the vertical surface of the wind tower, the lifting machine (8) stops, the electromagnetic chuck assembly (11) is started, and the lifting frame (3) is sucked on a tower column of a fan on the rear side of the lifting frame;
and a sixth step: a rotating handle (124) extends out the working basket (13) through a screw rod mechanism (12) and a swing arm (6);
the seventh step: reversely rotating the handle (124) to retract the work basket (13);
eighth step: the hoist (8) operates to lower the lifting frame (3) back to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323399.XA CN111825029A (en) | 2019-04-22 | 2019-04-22 | Multifunctional self-adaptive maintenance platform and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323399.XA CN111825029A (en) | 2019-04-22 | 2019-04-22 | Multifunctional self-adaptive maintenance platform and operation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111825029A true CN111825029A (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910323399.XA Pending CN111825029A (en) | 2019-04-22 | 2019-04-22 | Multifunctional self-adaptive maintenance platform and operation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115748448A (en) * | 2022-12-07 | 2023-03-07 | 罗冬成 | Highway bridge detection maintenance vehicle and working method thereof |
| CN116374827A (en) * | 2023-06-05 | 2023-07-04 | 东鼎建设有限公司 | Crane boom guide mechanism for building construction |
-
2019
- 2019-04-22 CN CN201910323399.XA patent/CN111825029A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115748448A (en) * | 2022-12-07 | 2023-03-07 | 罗冬成 | Highway bridge detection maintenance vehicle and working method thereof |
| CN115748448B (en) * | 2022-12-07 | 2023-09-08 | 罗冬成 | Road bridge detection maintenance vehicle and working method thereof |
| CN116374827A (en) * | 2023-06-05 | 2023-07-04 | 东鼎建设有限公司 | Crane boom guide mechanism for building construction |
| CN116374827B (en) * | 2023-06-05 | 2023-09-19 | 东鼎建设有限公司 | Crane boom guide mechanism for building construction |
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