Safety tool for opening well lid
A safety tool for opening a well lid comprises a base. An inclined telescopic support and a well lid fixing mechanism are arranged on the side of the base, and a well lid lifting mechanism is arranged on the side face of the telescopic support. The telescopic support comprises an upper support of a...
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| creator | CUI LIYONG LIAN LEI ZHU XIUJIE MENG QINGRUI MOU ZEGANG WANG PEIYUE |
| description | A safety tool for opening a well lid comprises a base. An inclined telescopic support and a well lid fixing mechanism are arranged on the side of the base, and a well lid lifting mechanism is arranged on the side face of the telescopic support. The telescopic support comprises an upper support of a hollow structure and a lower support of a hollow structure. The upper portion of the lower support stretches into the upper support. A strip-shaped opening is formed in the side face of the upper support, and a vertical plate is arranged on the side face of the upper end of the lower support and arranged outside the strip-shaped opening. The well lid lifting mechanism comprises a first chain wheel and a second chain wheel. A chain is arranged on the first chain wheel and the second chain wheel and fixedly connected with the vertical plate. A rotary handle is arranged at the outer end of a first rotary shaft. A ratchet mechanism is arranged at the top of the upper support and comprises a ratchet fixed to the first rotary shaft, and a pawl matching the ratchet is arranged on the side face of the ratchet. The well lid fixing mechanism comprises a vertical rod. A cross rod is arranged at the lower end of the vertical rod, and a bearing is arranged at the upper end of the vertical rod and on the lower support. In the opening process of the well lid and after the well lid is opened, the well lid can be fixed conveniently, and the well lid is prevented from accidentally falling off. |
| format | Patent |
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An inclined telescopic support and a well lid fixing mechanism are arranged on the side of the base, and a well lid lifting mechanism is arranged on the side face of the telescopic support. The telescopic support comprises an upper support of a hollow structure and a lower support of a hollow structure. The upper portion of the lower support stretches into the upper support. A strip-shaped opening is formed in the side face of the upper support, and a vertical plate is arranged on the side face of the upper end of the lower support and arranged outside the strip-shaped opening. The well lid lifting mechanism comprises a first chain wheel and a second chain wheel. A chain is arranged on the first chain wheel and the second chain wheel and fixedly connected with the vertical plate. A rotary handle is arranged at the outer end of a first rotary shaft. A ratchet mechanism is arranged at the top of the upper support and comprises a ratchet fixed to the first rotary shaft, and a pawl matching the ratchet is arranged on the side face of the ratchet. The well lid fixing mechanism comprises a vertical rod. A cross rod is arranged at the lower end of the vertical rod, and a bearing is arranged at the upper end of the vertical rod and on the lower support. In the opening process of the well lid and after the well lid is opened, the well lid can be fixed conveniently, and the well lid is prevented from accidentally falling off.</description><language>eng</language><subject>HAULING ; HOISTING ; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD ; LIFTING ; PERFORMING OPERATIONS ; TRANSPORTING</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151111&DB=EPODOC&CC=CN&NR=105036022A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151111&DB=EPODOC&CC=CN&NR=105036022A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CUI LIYONG</creatorcontrib><creatorcontrib>LIAN LEI</creatorcontrib><creatorcontrib>ZHU XIUJIE</creatorcontrib><creatorcontrib>MENG QINGRUI</creatorcontrib><creatorcontrib>MOU ZEGANG</creatorcontrib><creatorcontrib>WANG PEIYUE</creatorcontrib><title>Safety tool for opening well lid</title><description>A safety tool for opening a well lid comprises a base. An inclined telescopic support and a well lid fixing mechanism are arranged on the side of the base, and a well lid lifting mechanism is arranged on the side face of the telescopic support. The telescopic support comprises an upper support of a hollow structure and a lower support of a hollow structure. The upper portion of the lower support stretches into the upper support. A strip-shaped opening is formed in the side face of the upper support, and a vertical plate is arranged on the side face of the upper end of the lower support and arranged outside the strip-shaped opening. The well lid lifting mechanism comprises a first chain wheel and a second chain wheel. A chain is arranged on the first chain wheel and the second chain wheel and fixedly connected with the vertical plate. A rotary handle is arranged at the outer end of a first rotary shaft. A ratchet mechanism is arranged at the top of the upper support and comprises a ratchet fixed to the first rotary shaft, and a pawl matching the ratchet is arranged on the side face of the ratchet. The well lid fixing mechanism comprises a vertical rod. A cross rod is arranged at the lower end of the vertical rod, and a bearing is arranged at the upper end of the vertical rod and on the lower support. In the opening process of the well lid and after the well lid is opened, the well lid can be fixed conveniently, and the well lid is prevented from accidentally falling off.</description><subject>HAULING</subject><subject>HOISTING</subject><subject>HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD</subject><subject>LIFTING</subject><subject>PERFORMING OPERATIONS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAITkxLLalUKMnPz1FIyy9SyC9IzcvMS1coT83JUcjJTOFhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfHOfoYGpgbGZgZGRo7GxKgBADRTJNs</recordid><startdate>20151111</startdate><enddate>20151111</enddate><creator>CUI LIYONG</creator><creator>LIAN LEI</creator><creator>ZHU XIUJIE</creator><creator>MENG QINGRUI</creator><creator>MOU ZEGANG</creator><creator>WANG PEIYUE</creator><scope>EVB</scope></search><sort><creationdate>20151111</creationdate><title>Safety tool for opening well lid</title><author>CUI LIYONG ; LIAN LEI ; ZHU XIUJIE ; MENG QINGRUI ; MOU ZEGANG ; WANG PEIYUE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN105036022A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>HAULING</topic><topic>HOISTING</topic><topic>HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD</topic><topic>LIFTING</topic><topic>PERFORMING OPERATIONS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>CUI LIYONG</creatorcontrib><creatorcontrib>LIAN LEI</creatorcontrib><creatorcontrib>ZHU XIUJIE</creatorcontrib><creatorcontrib>MENG QINGRUI</creatorcontrib><creatorcontrib>MOU ZEGANG</creatorcontrib><creatorcontrib>WANG PEIYUE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CUI LIYONG</au><au>LIAN LEI</au><au>ZHU XIUJIE</au><au>MENG QINGRUI</au><au>MOU ZEGANG</au><au>WANG PEIYUE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Safety tool for opening well lid</title><date>2015-11-11</date><risdate>2015</risdate><abstract>A safety tool for opening a well lid comprises a base. An inclined telescopic support and a well lid fixing mechanism are arranged on the side of the base, and a well lid lifting mechanism is arranged on the side face of the telescopic support. The telescopic support comprises an upper support of a hollow structure and a lower support of a hollow structure. The upper portion of the lower support stretches into the upper support. A strip-shaped opening is formed in the side face of the upper support, and a vertical plate is arranged on the side face of the upper end of the lower support and arranged outside the strip-shaped opening. The well lid lifting mechanism comprises a first chain wheel and a second chain wheel. A chain is arranged on the first chain wheel and the second chain wheel and fixedly connected with the vertical plate. A rotary handle is arranged at the outer end of a first rotary shaft. A ratchet mechanism is arranged at the top of the upper support and comprises a ratchet fixed to the first rotary shaft, and a pawl matching the ratchet is arranged on the side face of the ratchet. The well lid fixing mechanism comprises a vertical rod. A cross rod is arranged at the lower end of the vertical rod, and a bearing is arranged at the upper end of the vertical rod and on the lower support. In the opening process of the well lid and after the well lid is opened, the well lid can be fixed conveniently, and the well lid is prevented from accidentally falling off.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_CN105036022A |
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| subjects | HAULING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD LIFTING PERFORMING OPERATIONS TRANSPORTING |
| title | Safety tool for opening well lid |
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