CN111910972A - A foldable maintenance platform for electric block - Google Patents
A foldable maintenance platform for electric block Download PDFInfo
- Publication number
- CN111910972A CN111910972A CN202010931625.5A CN202010931625A CN111910972A CN 111910972 A CN111910972 A CN 111910972A CN 202010931625 A CN202010931625 A CN 202010931625A CN 111910972 A CN111910972 A CN 111910972A
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- platform
- guardrail
- operating platform
- operating
- push
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- 238000012423 maintenance Methods 0.000 title claims abstract description 21
- 230000002146 bilateral effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 3
- 230000009193 crawling Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/06—Pits or building structures for inspection or services
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a folding type maintenance platform for an electric hoist, which comprises a first operating platform and a second operating platform, wherein the first operating platform and the second operating platform are respectively arranged on two sides of a track of the electric hoist; a connecting platform is arranged between the first operating platform and the second operating platform, and the first end of the connecting platform is hinged with the first operating platform; the fixed guardrail consists of a first guardrail positioned on the periphery of the first operating platform and a second guardrail positioned on the periphery of the second operating platform; the movable guardrail comprises a third guardrail with a side-by-side door type structure arranged at the end part of the first guardrail and a fourth guardrail with a single-door type structure arranged at the end part of the second guardrail; wherein, the second end of connecting platform links to each other with the overlap joint of second operation panel, or links to each other with the both ends of first guardrail. The invention provides a safe and stable operation platform which is simple in structure and convenient to use and can be used for carrying out bilateral overhaul on the electric hoist under the condition that the normal operation of the electric hoist is not influenced.
Description
Technical Field
The invention relates to the technical field of maintenance platforms for hydraulic and hydroelectric engineering, in particular to a folding maintenance platform for an electric hoist.
Background
Water conservancy and hydropower engineering, especially cross-basin diversion and water distribution engineering, under the condition of long-term uninterrupted water delivery and overall line dispatching, the application of a gate and start-stop equipment is relatively frequent, so that the maintenance work and maintenance work according to local conditions are needed to ensure the water delivery safety of a full channel section. The electric hoists in the brake chambers such as the check brake, the control brake, the water return brake, the maintenance brake, the water diversion brake and the like all need to be periodically maintained and maintained (such as replacing lubricating oil, wearing parts, adjusting brakes and the like). Because the electric hoist overhauling platform is not arranged in the gate station during construction, the electric hoist with the arrangement height of less than 5 m needs to be overhauled by building the crawling ladder, an overhauling worker leans on the upper part of the crawling ladder for operation, the overhauling range is limited, the operation difficulty is high, and the position is required to be moved for multiple times during bilateral overhauling, so that a large potential safety hazard exists; temporary platforms such as scaffolds need to be erected for maintenance of the electric hoists with the arrangement height higher than 5 m, the platforms are erected for disassembly and assembly, and manpower and material resources are consumed when the electric hoists enter and exit, so that the maintenance period is prolonged.
Disclosure of Invention
In order to solve the problems of high operation difficulty, low efficiency and high personnel safety risk when the electric hoist is overhauled by using a temporary platform or a crawling ladder, the invention provides a folding type overhauling platform for the electric hoist, which has small occupied area and universality, and the following technical scheme can be adopted:
the invention relates to a folding type maintenance platform for an electric hoist, which comprises
The first operating platform is arranged on one side of the electric hoist track;
the second operating platform is arranged on the other side of the electric hoist rail corresponding to the first operating platform;
the connecting platform is positioned between the first operating platform and the second operating platform and is provided with a first end and a second end, and the first end is hinged with the first operating platform;
a fixed guardrail comprises
The first guardrail is arranged along the periphery of the first operating platform and is provided with two end parts which are stopped at the joint of the first operating platform and the connecting platform;
the second guardrail is arranged along the periphery of the second operating platform and is provided with two end parts which are stopped at the joint of the second operating platform and the connecting platform;
the movable guardrail comprises
The third guardrail is a side-by-side door type structure arranged at the end part of the first guardrail, and the rotating radius of the third guardrail is equal to the distance between the first operating platform and the second operating platform;
the fourth guardrail is a single-door structure arranged at the end part of the second guardrail, and the rotating radius of the fourth guardrail is equal to the width of the connecting platform;
wherein, the second end of connecting platform links to each other with the overlap joint of second operation panel, or links to each other with the both ends of first guardrail.
The first operating platform and the second operating platform are connected with the bent frame columns through supporting frames, and are located on the same horizontal plane.
The first operating platform is provided with a mounting plate for mounting the first end of the connecting platform, and the second operating platform is provided with a lapping plate for bearing the second end of the connecting platform.
The first end of the connecting platform is provided with a rotating hinge for connecting the mounting plate, and the second end of the connecting platform is provided with a locking bolt matched with the first guardrail and the second guardrail.
The connecting platform is hinged with a push-pull rod, the hinged end of the push-pull rod is arranged close to the second end, and the handheld end of the push-pull rod is arranged close to the first end.
The handheld end of the push-pull rod is of a T-shaped structure.
The connecting platform is provided with a groove for placing the push-pull rod, and the upper surface of the push-pull rod is not higher than that of the connecting platform.
A first locking mechanism is arranged between the first guardrail and the third guardrail, and a second locking mechanism is arranged between the second guardrail and the fourth guardrail.
The maintenance platform further comprises a ladder stand communicated with the first operating platform.
The ladder stand is of a folding structure comprising an upper section and a lower section, the top of the upper section is hinged with the bent frame column, and the bottom of the upper section is hinged with the top of the lower section.
The folding type maintenance platform for the electric hoist, provided by the invention, is simple in structure and convenient to use, and can provide a safe and stable operation platform for bilateral maintenance of the electric hoist under the condition that the normal operation of the electric hoist is not influenced.
Compared with the prior art, the method has the advantages that;
1) the platform is in a module assembly design, has universality on arrangement of chambers with different sizes, is convenient to install, occupies small area, does not need to modify the structure of the original chamber, and does not influence the operation of the electric hoist after installation;
2) the platform is of a folding design, and when the connecting platform is in a folded state, the connecting platform is used as a part of guardrail of the first operating platform, so that the safety of maintainers is effectively guaranteed; when the connecting platform is put down through the push-pull rod, the first operating platform and the second operating platform can be conveniently conducted, and double-side maintenance of the electric hoist is realized;
3) the third movable guardrail adopts a side-by-side door type structure, and is arranged outside the first guardrail in a turnover mode when the connecting platform is in a retracted state; when the connecting platform is put down, the connecting platform can be used as a guardrail of a walking channel, so that the safety of personnel is fully guaranteed;
4) the platform has strong applicability, large operation range, enhanced operability, safety and reliability.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic view showing a state in which the connection platform of fig. 1 is connected to the first and second operation stages.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Fig. 5 is a schematic structural view of the support frame of fig. 1 connected with a bent column.
Fig. 6 is a schematic view of the structure of fig. 5 (omitting the connecting screw).
Fig. 7 is a schematic structural view of the first and second operation stages in fig. 1 (with the panel omitted).
Fig. 8 is a schematic view of the connection structure of the connection platform and the push-pull rod in fig. 1.
Figures 9-11 are schematic views of alternative forms of the ladder of figure 1.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 to 11, the foldable maintenance platform for an electric hoist according to the present invention includes a first operation platform 1 and a second operation platform 2, which are correspondingly disposed and respectively located at two sides of a track of the electric hoist. Be provided with connecting platform 3 between first operation panel 1 and the second operation panel 2, connecting platform 3 can regard as the passageway of connecting two operation panels, makes things convenient for electric block's two side to overhaul. In order to ensure the safety of the maintainers, the first operating platform 1 and the second operating platform 2 are also provided with fixed guardrails, wherein the fixed guardrails comprise a first guardrail 4.1 positioned on the first operating platform 1 and a second guardrail 4.2 positioned on the second operating platform 2; secondly, because the connection platform 3 has different position states, the maintenance platform is also provided with movable guardrails, including a third guardrail 4.3 connected with the first guardrail 4.1 and a fourth guardrail 4.4 connected with the second guardrail 4.2. In addition, the maintenance platform is also provided with an aluminum alloy ladder 5 communicated with the first operating platform 1.
Specifically, as shown in fig. 7, the first operating platform 1 and the second operating platform 2 are both composed of a steel structure frame 1.1 and an aluminum alloy pattern panel, and the frame 1.1 is a beam lattice structure welded by section steel and fixed on the support frame 6 through bolts. The mounting holes 1.2 provided in the frame 1.1 are elongated holes, so that the mounting position can be finely adjusted. After the frame 1.1 is installed, the panel is installed, and the frame and the panel are riveted through self-plugging rivets. The outer edge welding of frame 1.1 has angle steel 1.3, and it is the mounting panel that is used for installing connection platform 3 to first operation platform 1, and to second operation platform 2, is the faying plate that is used for placing connection platform 3.
As shown in fig. 1 and 3, the first operating platform 1 and the second operating platform 2 are both connected to the bent frame column M through the supporting frame 6, and the first operating platform 1 and the second operating platform 2 are at the same horizontal height. As shown in fig. 5 and 6, the supporting frame 6 is a profile steel welded structure, and includes a pair of tripods 6.1 and a cross bar 6.2 connecting the two, the cross beam of the tripods 6.2 is clamped at two sides of the bent frame column M, and is clasped to the column through a first double-head screw 6.3 which is arranged on the cross bar 6.2 in pairs; meanwhile, a cross rod 6.2 between the triangular supports 6.1 and the oblique beams is attached to the bent frame column M, a perforated angle steel 6.4 is arranged on the opposite bent frame column, and a paired second double-head screw 6.5 which is perpendicular to the first double-head screw 6.3 penetrates through the cross rod 6.2 and the perforated angle steel 6.4 to be fixed in a column holding mode. The support frame 6 is convenient to mount on bent columns of different sizes in a fixing mode.
As shown in fig. 8, the connecting platform 3 is fixed in size, and is composed of a steel structure frame and an aluminum alloy pattern panel, the length of the connecting platform is the same as the height of the first guardrail 4.1, and the connecting platform is guaranteed to be located right below the track of the electric hoist when the connecting platform is horizontally placed, so that the sizes of the first operating platform 1 and the second operating platform 2 can be adjusted according to the distance between the two bent frame columns and the size of the connecting platform 3. The first end and the second end of connecting platform 3 are located the both ends on long limit respectively, and first end is articulated continuous through the hinge or with the mounting panel on rotatory hinge 3.1 and the first operation panel 1, and the second is served and is installed a pair of 3.2 of locking bolt that are used for with first guardrail 4.1/second guardrail 4.2 matched with. A push-pull rod 3.3 arranged close to the second end is hinged to the steel structure frame of the connecting platform 3, and a T-shaped structure convenient for holding is arranged at the handheld end of the push-pull rod 3.3 close to the first end of the connecting platform 3. The two sides of the push-pull rod 3.3 are respectively fixed with an aluminum alloy pattern panel connected with the steel structure frame through rivets, the aluminum alloy pattern panels are arranged at intervals to form a groove 3.4 for placing the push-pull rod 3.3, so that the upper surface of the push-pull rod 3.3 is not higher than that of the connecting platform 3, and potential safety hazards caused by uneven surface when the connecting platform 3 is used as a walking channel are avoided. Under normal conditions, the connecting platform 3 is locked and fixed with a first guardrail 4.1 through a locking bolt 3.2 at the second end to be used as a part of guardrails of the first operating platform 1; when the connecting channel between the first operating platform 1 and the second operating platform 2 is needed, the push-pull rod 3.3 can be taken out from the groove 3.4, the second end of the connecting platform 3 is placed on the lap plate of the second operating platform 2 by pulling and releasing the push-pull rod 3.3, and then the locking bolt 3.2 is locked and fixed with the second guardrail 4.2.
As shown in fig. 1-4, a first fence 4.1 is welded around the periphery of the first console 1, having two ends ending at the junction of the first console 1 and the connecting platform 3; the second guardrail 4.2 is welded on the periphery of the second operating platform 2 and is provided with two end parts which are stopped at the joint of the second operating platform 2 and the connecting platform 3; the third guardrail 4.3 is a side-by-side door structure, is hinged to the end of the first guardrail 4.1, and the rotating radius of each leaf is equal to the distance between the first operating platform 1 and the second operating platform 2, namely equal to the length of the connecting platform 3; the fourth guardrail 4.4 is a single-door structure, and is hinged to one end of the second guardrail 4.2, and the rotating radius of the fourth guardrail is equal to the width of the connecting platform 3. In order to fix the position of the movable barrier, a first locking mechanism is arranged between the first 4.1 and third 4.3 barriers and a second locking mechanism is arranged between the second 4.2 and fourth 4.4 barriers. As shown in fig. 2 and 4, the first locking mechanism comprises a hooked locking bar 4.5 mounted on top of the first guard rail 4.1 and two locking rings 4.6 mounted at different positions on top of the third guard rail 4.3. When the connecting platform 3 is in a vertical state, the locking rod 4.5 with the hook is buckled on the locking ring 4.6 close to the middle part, so that the third guardrail 4.3 is kept in a flat-open state (see fig. 2); when the connecting platform 3 is in the horizontal state, the hooked lock rod 4.5 is buckled on the lock ring 4.6 close to the end part, so that the third guardrail 4.3 is in a locking state (see figure 4) at the two sides of the connecting platform 3 and is used for protecting the safety of the passage of operators. The second locking mechanism is similar to the first locking mechanism and comprises a hooked locking rod and a locking ring which are respectively arranged on the second guardrail 4.2 and the fourth guardrail 4.4, the hooked locking rod and the locking ring are used for locking the fourth guardrail 4.4 and the second guardrail 4.2 to form that the second operating platform 2 is in a closed state (see figure 1), and the fourth guardrail 4.4 can be opened when the connecting platform 3 is in a horizontal state, so that a person can conveniently enter the second operating platform 2 (see figure 3).
In order to facilitate the operator to enter the first operating platform 1, the first guardrail 4.1 is provided with a notch corresponding to the top of the aluminum alloy ladder stand 5. According to the height of the operating platform, the aluminum alloy ladder stand 5 is divided into an inclined ladder (with the length of the operating platform being less than 5 meters) and a vertical ladder with a protective cage (with the length of the operating platform being more than 5 meters), and the two ladder stands can adopt a combined structure comprising an upper section and a lower section. For the inclined ladder, as shown in fig. 9 and 10, the top of the upper section of the ladder stand 5 is hinged with the bent frame column, the bottom of the upper section is hinged with the top of the lower section, when the inclined ladder is used, the lower section support is on the ground, and when the inclined ladder is folded, the lower section can be inwards turned and folded to be close to a wall body, so that the aim of not occupying the road space is fulfilled. For the vertical ladder, as shown in fig. 11, the upper section of the ladder stand 5 is fixedly connected with the bent frame column, and the lower section of the inclined bracket is on the ground to conveniently climb upwards.
It should be noted that in the description of the present invention, terms of orientation or positional relationship such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (10)
1. The utility model provides a foldable maintenance platform for electric block which characterized in that: the maintenance platform comprises
The first operating platform is arranged on one side of the electric hoist track;
the second operating platform is arranged on the other side of the electric hoist rail corresponding to the first operating platform;
the connecting platform is positioned between the first operating platform and the second operating platform and is provided with a first end and a second end, and the first end is hinged with the first operating platform;
a fixed guardrail comprises
The first guardrail is arranged along the periphery of the first operating platform and is provided with two end parts which are stopped at the joint of the first operating platform and the connecting platform;
the second guardrail is arranged along the periphery of the second operating platform and is provided with two end parts which are stopped at the joint of the second operating platform and the connecting platform;
the movable guardrail comprises
The third guardrail is a side-by-side door type structure arranged at the end part of the first guardrail, and the rotating radius of the third guardrail is equal to the distance between the first operating platform and the second operating platform;
the fourth guardrail is a single-door structure arranged at the end part of the second guardrail, and the rotating radius of the fourth guardrail is equal to the width of the connecting platform;
wherein, the second end of connecting platform links to each other with the overlap joint of second operation panel, or links to each other with the both ends of first guardrail.
2. The folding service platform for electric hoists of claim 1, wherein: the first operating platform and the second operating platform are connected with the bent frame columns through supporting frames, and are located on the same horizontal plane.
3. The folding service platform for electric hoists of claim 1, wherein: the first operating platform is provided with a mounting plate for mounting the first end of the connecting platform, and the second operating platform is provided with a lapping plate for bearing the second end of the connecting platform.
4. The folding service platform for electric hoists of claim 3, wherein: the first end of the connecting platform is provided with a rotating hinge for connecting the mounting plate, and the second end of the connecting platform is provided with a locking bolt matched with the first guardrail and the second guardrail.
5. The folding service platform for electric hoists of claim 1, wherein: the connecting platform is hinged with a push-pull rod, the hinged end of the push-pull rod is arranged close to the second end, and the handheld end of the push-pull rod is arranged close to the first end.
6. The folding service platform for electric hoists of claim 5, wherein: the handheld end of the push-pull rod is of a T-shaped structure.
7. The folding service platform for electric hoists of claim 5, wherein: the connecting platform is provided with a groove for placing the push-pull rod, and the upper surface of the push-pull rod is not higher than that of the connecting platform.
8. The folding service platform for electric hoists of claim 1, wherein: a first locking mechanism is arranged between the first guardrail and the third guardrail, and a second locking mechanism is arranged between the second guardrail and the fourth guardrail.
9. The folding service platform for electric hoists of claim 1, wherein: the maintenance platform further comprises a ladder stand communicated with the first operating platform.
10. The folding service platform for electric hoists of claim 9, wherein: the ladder stand is of a folding structure comprising an upper section and a lower section, the top of the upper section is hinged with the bent frame column, and the bottom of the upper section is hinged with the top of the lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010931625.5A CN111910972A (en) | 2020-09-08 | 2020-09-08 | A foldable maintenance platform for electric block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010931625.5A CN111910972A (en) | 2020-09-08 | 2020-09-08 | A foldable maintenance platform for electric block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111910972A true CN111910972A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010931625.5A Pending CN111910972A (en) | 2020-09-08 | 2020-09-08 | A foldable maintenance platform for electric block |
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| CN (1) | CN111910972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045546A (en) * | 2022-06-20 | 2022-09-13 | 广东大唐国际雷州发电有限责任公司 | Spiral ship unloader U type overhauls platform and overhauls island |
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| CN209367678U (en) * | 2018-12-25 | 2019-09-10 | 无锡华东重型机械股份有限公司 | Crane rail structure |
| CN210086900U (en) * | 2019-03-13 | 2020-02-18 | 云南省建设投资控股集团有限公司 | Tool type safe connecting channel used between crawling ladder and climbing formwork platform |
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| CN212359266U (en) * | 2020-09-08 | 2021-01-15 | 河南省水利勘测设计研究有限公司 | A foldable maintenance platform for electric block |
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| CN115045546B (en) * | 2022-06-20 | 2023-03-14 | 广东大唐国际雷州发电有限责任公司 | Spiral ship unloader U type overhauls platform and overhauls island |
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