CN114275719A - Special lifting appliance for rainwater cover plate of ditch - Google Patents
Special lifting appliance for rainwater cover plate of ditch Download PDFInfo
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- CN114275719A CN114275719A CN202011035750.4A CN202011035750A CN114275719A CN 114275719 A CN114275719 A CN 114275719A CN 202011035750 A CN202011035750 A CN 202011035750A CN 114275719 A CN114275719 A CN 114275719A
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- ratchet wheel
- cover plate
- rotating shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention relates to a special lifting appliance for a rainwater cover plate of a ditch, and belongs to the technical field. The lifting appliance comprises a rotating shaft and a disc, wherein a lifting lug is formed at one end of the rotating shaft, a step hole is formed in the middle of the disc, a bearing is arranged in the step hole, a lifting block is hinged to the other end of the rotating shaft, the hollow end of the lifting block is in a T shape and can be inserted into a water leakage hole of a rainwater cover plate, a ratchet wheel is sleeved in the bearing, the other end of the rotating shaft penetrates through an inner ring of the ratchet wheel, the lower outer ring of the ratchet wheel is in clearance fit with the inner ring of the bearing, the gear teeth on the outer edge of the upper portion of the ratchet wheel are exposed out of the end face of the bearing and can rotate in two directions, an arc-shaped pawl and a two-way driving lever are inserted at the position, close to the gear teeth, of one side of the step hole, a bolt vertically inserted into the end face of the step is arranged at one end of the two-way driving lever, an eccentric wheel is sleeved on the bolt, and the eccentric wheel is attached to the inner arc-shaped surface of the arc-shaped pawl. The lifting appliance can ensure that the rainwater cover plate of the existing drainage ditch is very convenient, time-saving and labor-saving in lifting.
Description
Technical Field
The invention relates to a rainwater cover plate lifting appliance for a ditch, in particular to a rainwater cover plate lifting appliance for a wharf drainage open ditch, and belongs to the technical field.
Background
The material wharf of the transport department of Shanghai Meishan Steel Co Ltd has 3 berths, wherein the 1# berth and the 2# berth are 2000-ton class berths, the 3# berth is 5000-ton class berth, the total length is 285m, and the elevation is 10.00m (the elevation of Songhai Wu rime mouth). Because the original design does not have a rain sewage collecting system, the rain sewage of the wharf is directly discharged into a water area to pollute the water environment, and the wharf can operate after the rain sewage collecting system is arranged according to the existing regulations, specifications and related discharge standards. The raw material wharf berth platform is subjected to environment-friendly transformation in 2018, rainwater and environment-friendly spraying water are not directly drained to the Yangtze river through reserved drain holes in the wharf platform, but are collected and collected to a rainwater collecting pool through a newly designed open drain on the berth, and rainwater and sewage are recycled after being collected and treated. The total length of the open drain ditch is about 700 meters, the open drain ditch is U-shaped, the cover plates of the open drain ditch are made of nodular cast iron and bear load C250, each cover plate is 510mm long and 505mm wide, and the weight of each cover plate is about 50 kg. The flying dust generated by the field operation of the wharf and the bulk cargo materials washed by the platform finally all flow into the open drainage ditch, so that the frequency of cleaning the open drainage ditch is high. The drainage ditch silts up without cleaning, and the accumulated water of the wharf platform influences the walking of people and the structure of the platform. When cleaning, all cast iron cover plates need to be opened by a loading and unloading worker, and a shovel is manually used to be matched with a working machine for cleaning, so that the workload is large. The rainwater cover plate operation of opening and covering the drainage ditch needs 6 loading and unloading workers and half a day. At present, no professional lifting appliance is used, when the lifting appliance is used in the middle of the cover plate and on one side of the cover plate, the lifting process can generate the phenomena of shaking, inclining, sliding and the like, and the problems of injury of personnel and damage to the cover plate, the berth and the like in different degrees are caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the problem of the rainwater apron of above-mentioned current escape canal inconvenient and hard waste time when the handling is solved.
The technical scheme provided by the invention for solving the technical problems is as follows: a special lifting appliance for a rainwater cover plate of a ditch comprises a rotating shaft and a disc, wherein a lifting lug is formed at one end of the rotating shaft, a step hole is formed in the middle of the disc, a bearing is arranged in the step hole, the other end of the rotating shaft is hinged with a hanging block, the hollow end of the hanging block is in a T shape and can be inserted into the water leakage hole of the rainwater cover plate, a ratchet wheel is sleeved in the bearing, the other end of the rotating shaft penetrates through the inner ring of the ratchet wheel, the outer ring of the lower part of the ratchet wheel is in clearance fit with the inner ring of the bearing, gear teeth on the outer edge of the upper part of the ratchet wheel are exposed out of the end surface of the bearing and can rotate bidirectionally, an arc-shaped pawl and a bidirectional deflector rod are inserted on the end surface of one side of the step in the step hole and close to the gear teeth, one end of the bidirectional deflector rod is provided with a bolt which is vertically inserted into the end surface of the step, an eccentric wheel is sleeved on the bolt, and the eccentric wheel is attached to the inner arc surface of the arc-shaped pawl; when the shifting lever is shifted forwards to rotate, the shifting lever drives the eccentric wheel to slide to one end of the arc-shaped pawl along the inner arc surface of the arc-shaped pawl, and the other end of the arc-shaped pawl is inserted into a gap between the adjacent gear teeth and can rotate along with the ratchet wheel; when the shifting lever is shifted reversely to rotate, the shifting lever drives the eccentric wheel to slide to the other end of the arc pawl along the inner arc surface of the arc pawl, and one end of the arc pawl is inserted into a gap between the adjacent gear teeth and can prevent the ratchet wheel from rotating.
Furthermore, a stop block is inserted into the end face of the step on the other side in the step hole, the gear teeth of the ratchet wheel are uniformly arranged at intervals within the range of 210 degrees of the circumference of the ratchet wheel, and the stop block is positioned between the gear teeth outside the range of 210 degrees.
The pivot is gone up to overlap and is equipped with dustproof protection tube and ends the shelves ring, the one end of dustproof protection tube is pasted the outer up end of step hole, and the other end is pasted the lower terminal surface that ends the shelves ring, the spring is established to dustproof protection tube outer wall cover, the spring is located the lower terminal surface that ends the shelves ring with between the outer up end of step hole, dustproof protection tube pastes the outer up end's of step hole one end is made and is had the apron.
One end of the rotating shaft is fixed with a rotatable handle, and the lifting lug is in a semicircular ring shape and is welded on the rotatable handle.
The lifting appliance has the beneficial effects that: through a specially designed rotating shaft and disc connecting structure, a ratchet pawl mechanism and a hanging block are respectively arranged at the upper part and the lower part of a disc, 1) because the hollow end of the hanging block is designed into a T shape, the transverse section of the T shape at the hollow end of the hanging block can be firstly inserted into a water leakage hole in parallel with the water leakage hole of a rainwater cover plate, and then a hanger is rotated after the insertion to ensure that the transverse section of the T shape at the hollow end of the hanging block is vertical to the water leakage hole, so that the rainwater cover plate can be fully fixed before being lifted; 2) the ratchet wheel and pawl mechanism on the upper part of the disc can play a role in limiting or not limiting the rotation of the rotating shaft, namely the lifting appliance can be conveniently rotated when the lifting block is inserted into the water leakage hole, and the rotation of the lifting appliance is limited when the lifting block is lifted; 3) due to the design of the matching of the eccentric wheel and the pawl, the pawl can swing in two directions by shifting the eccentric wheel through the shifting rod to slide along the arc inner surface of the pawl to form deflection weight, so that the effect of limiting or not limiting the rotation of the rotating shaft is achieved; due to the structure of the lifting appliance, the rainwater cover plate of the existing drainage ditch can be very convenient to lift, and time and labor are saved.
Drawings
The special sling for the rainwater cover plate of the ditch of the invention is further explained by combining the attached drawings.
FIG. 1 is a schematic view of a gutter rain cover.
Fig. 2 is a schematic structural diagram of a special lifting appliance for a rainwater cover plate of a ditch in the embodiment.
Fig. 3 is a partial sectional view taken along line a-a in fig. 2.
Fig. 4 is a plan view from a-a in fig. 2.
Fig. 5 is a partially enlarged view of fig. 4.
Fig. 6 is another state diagram of fig. 4.
Detailed Description
Examples
The special lifting device for the rainwater cover plate of the water ditch of the embodiment comprises a rotating shaft 4 and a disc 7, wherein one end of the rotating shaft 4 forms a lifting lug 2, a rotatable handle 3 is fixed at one end of the rotating shaft 4, the lifting lug 2 is in a semicircular shape and is welded on the rotating handle 3, the other end of the rotating shaft 4 is hinged with a lifting block 9, and the hollow end of the lifting block 9 is in a T shape and can be inserted into a water leakage hole 101 (shown in figure 1) of the rainwater cover plate 100. As shown in fig. 3, 4 and 5, a stepped hole 17 is formed in the middle of the disc 7, two steps are formed in the stepped hole 17, and a bearing 14 is provided in the stepped hole 17; the bearing 14 is internally sleeved with a ratchet wheel 13, and the other end of the rotating shaft 4 penetrates through the inner ring of the bearing 14. The ratchet wheel 13 is big in top and small in bottom, the outer ring (small) at the lower part of the ratchet wheel 13 is in clearance fit with the inner ring of the bearing 14, the gear teeth 16 at the outer edge (big) at the upper part of the ratchet wheel 13 are exposed out of the end surface (also the lower step end surface in the step hole 17) of the bearing 14 and can rotate in two directions, an arc pawl (or a two-way shifting fork) 11 and a two-way shifting rod 8 are inserted at the position, close to the gear teeth 16, of the step end surface (lower step end surface) at one side in the step hole 17, a bolt vertically inserted into the step end surface (lower step end surface) is fixedly arranged at one end of the two-way shifting rod 8, an eccentric wheel 15 is sleeved on the bolt, and the eccentric wheel 15 is attached to the inner arc surface of the arc pawl 11.
In addition, a stop block 12 is inserted on the other side step end face in the step hole 17, and 8 gear teeth 16 of the ratchet wheel 13 are uniformly arranged at intervals within 210 degrees of the circumference of the ratchet wheel 13, namely the gear teeth 16 are not fully distributed on the circumference of the ratchet wheel 13, wherein no gear teeth 16 are arranged outside the 210 degrees (i.e. within 150 degrees). The stop block 12 has two teeth 16 that are positioned outside the 210 degree range (i.e., within the 150 degree range) of the circumference of the ratchet 13.
In addition, as shown in fig. 1, a dustproof protection tube 18 and a stop ring 5 are sleeved on the rotating shaft 4, one end of the dustproof protection tube 18 is attached to the upper end face outside the stepped hole 17, and the other end of the dustproof protection tube 18 is attached to the lower end face of the stop ring; the outer wall of the dustproof protection tube 18 is sleeved with a spring 6, and the spring is positioned between the lower end face of the stop ring 5 and the upper end face outside the stepped hole 17; as shown in fig. 3, the dust-proof protection tube 18 is attached to the upper end of the stepped hole 17 to form a cover plate 10.
When in use:
1) as shown in fig. 4 and 5, the bidirectional shift lever 8 is shifted forward to rotate, the shift lever 8 drives the eccentric wheel 15 to slide to one end of the arc-shaped pawl 11 along the inner arc surface of the arc-shaped pawl 11, the other end of the arc-shaped pawl 11 is inserted into the gap between the adjacent gear teeth 16 and can rotate along with the ratchet wheel 13, and at this time, one end of the arc-shaped pawl 11 is away from the gear teeth 16;
2) the hollow end of the hanging block 9 of the special hanging tool for the gutter rainwater cover plate in the embodiment is in a T-shaped transverse section and is firstly inserted into the water leakage hole 101 (as shown in figure 1) of the rainwater cover plate 100 in parallel, and then the rotating shaft 4 of the hanging tool is rotated after the insertion, so that the T-shaped transverse section of the hollow end of the hanging block 9 is vertical to the water leakage hole 101;
3) as shown in fig. 6, the bidirectional shift lever 8 is shifted in a reverse direction to rotate, the shift lever 8 drives the eccentric wheel 15 to slide to the other end of the arc-shaped pawl 11 along the inner arc surface of the arc-shaped pawl 11, one end of the arc-shaped pawl 11 is inserted into the gap between adjacent gear teeth 16 and can prevent the ratchet wheel 13 from rotating, and the other end of the arc-shaped pawl 11 is away from the gear teeth 16;
4) the lifting hook of the lifting device (such as a crane or a hoist) is fixed with the lifting lug 2 at one end of the rotating shaft 4 of the special lifting appliance for the rainwater cover plate of the ditch of the embodiment, so that the rainwater cover plate 100 can be lifted.
The invention is not limited to the above-described preferred embodiments, but is intended to cover all modifications, equivalents and alternatives falling within the spirit and scope of the invention.
Claims (4)
1. A special lifting appliance for a rainwater cover plate of a ditch comprises a rotating shaft and a disc, wherein lifting lugs are formed at one end of the rotating shaft, a step hole is formed in the middle of the disc, a bearing is arranged in the step hole, a lifting block is hinged to the other end of the rotating shaft, the method is characterized in that: the hollow end of the hanging block is in a T shape and can be inserted into the water leakage hole of the rainwater cover plate, a ratchet wheel is sleeved in the bearing, the other end of the rotating shaft penetrates through the inner ring of the ratchet wheel, the outer ring of the lower part of the ratchet wheel is in clearance fit with the inner ring of the bearing, gear teeth on the outer edge of the upper part of the ratchet wheel are exposed out of the end surface of the bearing and can rotate bidirectionally, an arc-shaped pawl and a bidirectional deflector rod are inserted on the end surface of one side of the step in the step hole and close to the gear teeth, one end of the bidirectional deflector rod is provided with a bolt which is vertically inserted into the end surface of the step, an eccentric wheel is sleeved on the bolt, and the eccentric wheel is attached to the inner arc surface of the arc-shaped pawl; when the shifting lever is shifted forwards to rotate, the shifting lever drives the eccentric wheel to slide to one end of the arc-shaped pawl along the inner arc surface of the arc-shaped pawl, and the other end of the arc-shaped pawl is inserted into a gap between the adjacent gear teeth and can rotate along with the ratchet wheel; when the shifting lever is shifted reversely to rotate, the shifting lever drives the eccentric wheel to slide to the other end of the arc pawl along the inner arc surface of the arc pawl, and one end of the arc pawl is inserted into a gap between the adjacent gear teeth and can prevent the ratchet wheel from rotating.
2. The special lifting appliance for the rainwater cover plate of the ditch according to claim 1, wherein: a stop block is further inserted into the other side step end face in the step hole, gear teeth of the ratchet wheel are uniformly arranged within the range of 210 degrees of the circumference of the ratchet wheel at intervals, and the stop block is located between the gear teeth outside the range of 210 degrees.
3. The special lifting appliance for the rainwater cover plate of the ditch according to claim 1, wherein: the pivot is gone up to overlap and is equipped with dustproof protection tube and ends the shelves ring, the one end of dustproof protection tube is pasted the outer up end of step hole, and the other end is pasted the lower terminal surface that ends the shelves ring, the spring is established to dustproof protection tube outer wall cover, the spring is located the lower terminal surface that ends the shelves ring with between the outer up end of step hole, dustproof protection tube pastes the outer up end's of step hole one end is made and is had the apron.
4. The special lifting appliance for the rainwater cover plate of the ditch according to claim 1, wherein: one end of the rotating shaft is fixed with a rotatable handle, and the lifting lug is in a semicircular ring shape and is welded on the rotatable handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011035750.4A CN114275719B (en) | 2020-09-27 | 2020-09-27 | Special lifting appliance for drain rain cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011035750.4A CN114275719B (en) | 2020-09-27 | 2020-09-27 | Special lifting appliance for drain rain cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114275719A true CN114275719A (en) | 2022-04-05 |
| CN114275719B CN114275719B (en) | 2023-09-05 |
Family
ID=80867763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011035750.4A Active CN114275719B (en) | 2020-09-27 | 2020-09-27 | Special lifting appliance for drain rain cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114275719B (en) |
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| US3446363A (en) * | 1966-11-18 | 1969-05-27 | Blohm Voss Ag | Cargo loading device |
| DE3116686A1 (en) * | 1981-04-28 | 1982-11-18 | Max 7853 Steinen Boll | Supporting framework for crane installations |
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| CN202465052U (en) * | 2012-02-21 | 2012-10-03 | 辽宁省电力有限公司阜新供电公司 | Special hook for opening cable manhole covers |
| CN104889918A (en) * | 2015-06-02 | 2015-09-09 | 上海宇航系统工程研究所 | Open two-way ratchet wrench |
| CN206267282U (en) * | 2016-11-30 | 2017-06-20 | 嘉兴恒力建材科技有限公司 | Sewer well head cover plate |
| CN207046668U (en) * | 2017-06-15 | 2018-02-27 | 唐山港集团股份有限公司 | A kind of instrument for opening drainage pipeline well lid |
| CN109534206A (en) * | 2018-11-08 | 2019-03-29 | 芜湖市越泽机器人科技有限公司 | A kind of computer communication engineering construction well lid extraction element |
| CN210418942U (en) * | 2019-09-19 | 2020-04-28 | 重庆市勘测院 | Porous object fixing device |
| CN210855054U (en) * | 2019-09-04 | 2020-06-26 | 中建海峡建设发展有限公司 | Tower machine plays to rise wire rope and prevents torsion device |
| CN211254968U (en) * | 2019-12-03 | 2020-08-14 | 国网浙江省电力有限公司宁波供电公司 | Cable well lid board hoisting accessory |
-
2020
- 2020-09-27 CN CN202011035750.4A patent/CN114275719B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3446363A (en) * | 1966-11-18 | 1969-05-27 | Blohm Voss Ag | Cargo loading device |
| DE3116686A1 (en) * | 1981-04-28 | 1982-11-18 | Max 7853 Steinen Boll | Supporting framework for crane installations |
| JP2005343572A (en) * | 2004-05-31 | 2005-12-15 | Secom Co Ltd | Hoisting tool |
| CN2739096Y (en) * | 2004-06-15 | 2005-11-09 | 今辉贸易有限公司 | Rope hand-pull device structure improvement |
| CN202212896U (en) * | 2008-07-16 | 2012-05-09 | 颜海斌 | Pawl structure of bidirectional ratchet wrench |
| CN202296825U (en) * | 2011-10-28 | 2012-07-04 | 南车眉山车辆有限公司 | Under-frame hanger for rail wagon |
| CN202465052U (en) * | 2012-02-21 | 2012-10-03 | 辽宁省电力有限公司阜新供电公司 | Special hook for opening cable manhole covers |
| CN104889918A (en) * | 2015-06-02 | 2015-09-09 | 上海宇航系统工程研究所 | Open two-way ratchet wrench |
| CN206267282U (en) * | 2016-11-30 | 2017-06-20 | 嘉兴恒力建材科技有限公司 | Sewer well head cover plate |
| CN207046668U (en) * | 2017-06-15 | 2018-02-27 | 唐山港集团股份有限公司 | A kind of instrument for opening drainage pipeline well lid |
| CN109534206A (en) * | 2018-11-08 | 2019-03-29 | 芜湖市越泽机器人科技有限公司 | A kind of computer communication engineering construction well lid extraction element |
| CN210855054U (en) * | 2019-09-04 | 2020-06-26 | 中建海峡建设发展有限公司 | Tower machine plays to rise wire rope and prevents torsion device |
| CN210418942U (en) * | 2019-09-19 | 2020-04-28 | 重庆市勘测院 | Porous object fixing device |
| CN211254968U (en) * | 2019-12-03 | 2020-08-14 | 国网浙江省电力有限公司宁波供电公司 | Cable well lid board hoisting accessory |
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| Publication number | Publication date |
|---|---|
| CN114275719B (en) | 2023-09-05 |
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