CN114890354A - Multi-functional portable municipal administration well lid opening tool - Google Patents
Multi-functional portable municipal administration well lid opening tool Download PDFInfo
- Publication number
- CN114890354A CN114890354A CN202210425421.3A CN202210425421A CN114890354A CN 114890354 A CN114890354 A CN 114890354A CN 202210425421 A CN202210425421 A CN 202210425421A CN 114890354 A CN114890354 A CN 114890354A
- Authority
- CN
- China
- Prior art keywords
- rod body
- well lid
- positioner
- opening tool
- lid opening
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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
- B66F15/00—Crowbars or levers
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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
- B66F13/00—Common constructional features or accessories
-
- 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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a multifunctional portable municipal well lid opening tool which comprises a rod body, wherein a grab handle is arranged at the upper part of the rod body, an instrument panel is arranged at the top of the rod body, a flash warning lamp is arranged at the lower end of the grab handle, a switch button is arranged at the upper end of the flash warning lamp, a charging interface is arranged at the lower end of the flash warning lamp, a plurality of fixed stop blocks and a positioner are arranged in the middle of the rod body, a replaceable prying head is arranged at the bottom end of the positioner in a threaded manner, the positioner can move between the two fixed stop blocks, and a prying supporting wheel is arranged at the bottom of the rod body through a U-shaped fixed support. The municipal manhole cover opening tool integrates the opening device, the level gauge, the compass, the warning lamp, the height measuring rod and the illuminating lamp into a whole, is simple in structure and convenient to carry, saves time and labor in use, can quickly open the manhole cover and measure the depth of the inspection well by a single person, can effectively reduce the outdoor surveying burden of technical personnel in the municipal industry, and can conveniently and efficiently finish the field surveying work.
Description
Technical Field
The invention relates to the technical field of well lid opening tools, in particular to a multifunctional portable municipal well lid opening tool.
Background
During the survey process of town road field, professional technical personnel need survey municipal inspection wells such as rainwater, sewage, feedwater, electric power and communication, survey the in-process, need open the well lid. At present, all kinds of municipal well lids are mostly nodular cast iron well lids, the quality is great, and most well lids are located motor vehicle lane, the well lid is rolled repeatedly by the vehicle or is clogged by debris between well lid and the well frame, in addition not open for a long time, often face the condition that the well lid is difficult to open when the well lid is surveyed, and the technical staff is easily received the threat of coming and going motor vehicle at motor vehicle lane survey time personal safety, consequently, municipal inspection shaft surveys and need open the well lid fast and survey it. The common opening method is that the periphery of the well lid is hammered by a sledge hammer to loosen the well lid, and then the well lid is tilted by an ocean pick, so that the method often causes damages such as loose connection between a well frame and a road surface, cracking of the well lid, damage to the surface and the like, and influences the service life of the well lid; in addition, because the well lid is opened difficultly, technical staff is easy to relax and alert vehicles when being absorbed in the well lid, and personal safety cannot be guaranteed. In view of the above, technicians often need to carry a plurality of tools, and the practicability is low, thereby invisibly increasing the workload of the technicians in field survey.
Disclosure of Invention
The invention aims to provide a multifunctional portable municipal manhole cover opening tool to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional portable municipal manhole cover opening tool comprises a shaft body, wherein the upper part of the shaft body is provided with a grab handle, the top of the rod body is provided with an instrument panel, the lower end of the handle is provided with a flash warning lamp, the upper end of the flash warning lamp is provided with a switch button, the lower end of the flashing warning lamp is provided with a charging interface, the middle part of the rod body is provided with a plurality of fixed stop blocks and a positioner, the bottom end of the positioner is provided with a replaceable prying head in a threaded manner, the positioner can move between two fixed stop blocks, the bottom of the rod body is provided with a prying supporting wheel through a U-shaped fixed support, a plurality of sleeves are arranged inside the rod body, the top of the sleeve is respectively provided with a pressing type buckle, the rod body and the sleeve adjust the length through the pressing type buckle, the rod body and the outer wall of the sleeve are provided with continuous height measurement scales, and one tail end of the sleeve is provided with a lighting lamp through a fixer.
Preferably, the pole body adopts circular steel pipe, the sleeve pipe adopts circular aluminum alloy pipe, it is fixed through the push type buckle when the sleeve pipe stretches out, the grab handle adopts the rubber material, pole body bottom is equipped with the rubber protective cap, the cover processing is taken to the sleeve pipe end.
Preferably, the rod body is provided with a positioning mark between the two fixed stop blocks, two ends of the positioner are fixed by butterfly hand-screwed nuts, and one end of the fixator is fixed by the butterfly hand-screwed nuts.
Preferably, the flashing warning lamp adopts an embedded rechargeable lamp set, and is provided with a set high-brightness LED lamp holder.
Preferably, the length of the shaft is 150-160cm, and the single length of the sleeve is 95-105 cm.
Preferably, the illuminating lamp is a small LED flashlight.
Preferably, the bottom end of the positioner is provided with a replaceable prying head a.
Preferably, the bottom end of the positioner is provided with a replaceable prying head b.
Preferably, the bottom end of the positioner is provided with a replaceable prying head c.
Preferably, a collecting box is installed at the right side of the rod body, and a collecting cover is installed at the upper part of the collecting box.
Compared with the prior art, the invention has the beneficial effects that:
the multifunctional portable municipal well lid opening tool provided by the invention integrates the opening device, the level gauge, the compass, the warning lamp, the height measuring rod and the illuminating lamp into a whole, is simple in structure, convenient to carry and time-saving and labor-saving to use, can be used for quickly opening the well lid and measuring the depth of an inspection well by a single person, can improve the safety of technicians, effectively reduces the field survey burden of the technicians in the municipal industry, and can quickly and efficiently finish the field survey work. The invention solves the technical problems of time and labor waste, poor safety, heavy tool picking, difficult operation by a single person and various survey tools in the well lid opening process in the prior art.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
fig. 2 is a schematic front structure view of the state in which the well lid is opened according to embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a back structure of an example 1 of the present invention in the case of surveying the well depth of a manhole;
fig. 4 is a schematic structural view of the instrument panel in embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a positioner according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a replaceable pry head according to embodiment 1 of the invention;
FIG. 7 is a partial perspective view of a retainer and shaft mark according to example 1 of the present invention;
FIG. 8 is a schematic view showing the structure of a holder in embodiment 1 of the present invention;
FIG. 9 is a schematic structural view of example 2 of the present invention;
fig. 10 is a schematic front structure view of the state in which the well lid is opened according to embodiment 2 of the present invention.
In the figure: 1. a shaft body; 2. a handle; 3. an instrument panel; 4. flashing warning lights; 5. a switch button; 6. A charging interface; 7. fixing a stop block; 8. a positioner; 9. prying a head; 91. a pry head a; 92. a pry head b; 93. C, prying a head; 10. a U-shaped fixed support; 11. prying up the supporting wheel; 12. a sleeve; 13. a push type buckle; 14. A holder; 15. an illuminating lamp; 16. a rubber protective cap; 17. the butterfly-shaped hand is screwed with the nut; 18. a collection box; 19. and (4) collecting the cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-8, the present invention provides a technical solution: a multifunctional portable municipal manhole cover opening tool comprises a shaft body 1, wherein a grab handle 2 is arranged at the upper part of the shaft body 1, a level gauge and a compass two-in-one embedded instrument panel 3 are arranged at the top part of the shaft body 1, an explosion warning lamp 4 is arranged at the lower end of the grab handle 2, a switch button 5 is arranged at the upper end of the explosion warning lamp 4, a charging interface 6 is arranged at the lower end of the explosion warning lamp 4, a plurality of fixed stop blocks 7 and a positioner 8 are arranged at the middle part of the shaft body 1, a replaceable prying head 9 is arranged at the bottom end thread of the positioner 8, the positioner 8 can move between the two fixed stop blocks 7, a prying supporting wheel 11 is arranged at the bottom part of the shaft body 1 through a U-shaped fixed support 10, a plurality of sleeves 12 are arranged inside the shaft body 1, push type buckles 13 are respectively arranged at the tops of the sleeves 12, the shaft body 1 and the sleeves 12 can adjust the length through the push type buckles 13, and continuous height measurement scales are arranged on the outer walls of the shaft body 1 and the sleeves 12, one sleeve 12 is provided with a lighting lamp 15 at the tail end through a fixer 14;
the utility model discloses a walking stick, including pole body 1, sleeve pipe 12, it is fixed through push type buckle 13 when stretching out, grab handle 2 adopts the rubber material, 1 bottom of pole body is equipped with rubber protective cap 16, 12 terminal closures of sleeve pipe are taken and are handled, sleeve pipe 12 is fixed through push type buckle 13 when stretching out, whole quality is light, portable, grab handle 2 adopts the rubber material, be convenient for hold the power of exerting oneself, when the supplementary march of pole body 1 as the walking stick, can prevent that debris from getting into pole body 1 is interior, when measuring the well depth, can prevent that debris from getting into intraductally.
The pole body 1 is equipped with the location sign between two fixed dog 7, and the both ends of locator 8 all adopt the hand nut 17 of twisting of butterfly to fix, and the one end of fixer 14 adopts the hand nut 17 of twisting of butterfly to fix, divide into the sign according to the well lid size: well lid diameter is not more than 500 mm's sign, well lid diameter equals 700 mm's sign, well lid diameter is not less than 900 mm's sign, the sign can be convenient for confirm the position of locator 8 fast, to other size well lids, locator 8 can be fixed in the position between the sign, pole body 1 is equipped with the location sign between fixed stop 7, be convenient for confirm the locator 8 positions that a class size well lid corresponds fast, improve the well lid and open and prepare work, locator 8 and 14 both ends of fixer adopt butterfly hand to twist nut 17 and be convenient for screw up and loosen.
Explode and dodge warning light 4 and adopt embedded chargeable banks, explode and dodge warning light 4 and be equipped with group hi-lite LED lamp holder, wherein 2 groups be blue, 2 groups are red, and symmetrical arrangement explodes and dodge warning light 4 and be equipped with 4 groups hi-lite LED red blue lamp holders, and during the technical staff operation, can open the warning light, remind the vehicle of coming and going to notice dodge, improve the technical staff security.
The length of the rod body 1 is 150-160cm, the length of a single sleeve 12 is 95-105cm, the length of the rod body 1 is 150-160cm, the length is suitable for operating and opening the well lid, and the rod body is also suitable for being used as a walking stick; the single length of the sleeve 12 is 95-105cm, and when the sleeve 12 is partially or completely extended out, the sleeve is used as a height measuring rod, and the maximum measurable depth is 4 m.
The light 15 is small-size LED flashlight, and sleeve pipe 12 end is equipped with detachable light 15, and when the darker inside of inspection shaft was dark, the inside condition in inspection shaft can be exploreed with light 15.
The bottom end of the locator 8 is provided with a replaceable pry head a 91.
The bottom end of the retainer 8 is provided with a replaceable pry head b 92.
The bottom end of the locator 8 is provided with a replaceable pry head c 93.
The working principle is as follows: when the manhole cover opening device is used, a proper installation angle of the prying head 9 and the prying head 9 is selected according to the type of a manhole cover opening hole, the prying head 9 is placed in the hole in the manhole cover by combining the mark fixing positioner 8, the prying supporting wheel 11 is seated on the ground, an operator holds the handle 2 at the top end of the rod body 1, forcibly pushes up the handle, and lifts the manhole cover, so that the opening of the manhole cover can be completed. The back is opened to the well lid, according to just judging the well depth, stretches out the measurement well depth with sleeve pipe 12 part or whole, and is darker when inspection shaft is darker, can be in 12 end installation light 15 of sleeve pipe, is convenient for explore the inside condition in the well, when the inspection shaft is located motor vehicle lane, can open and explode sudden strain of a muscle warning light 4, and the warning vehicle of coming and going is noticed and is dodged, improves operating personnel security, and this kind of mode is according to lever principle, simple structure, labour saving and time saving, extensive applicability. The multifunctional manhole cover integrates multiple functions, reduces the carrying amount of a technician to tools, has multiple functions, and can be safely and quickly opened by a single person to finish surveying.
Example 2:
referring to fig. 9-10, the present invention provides a technical solution: a multifunctional portable municipal manhole cover opening tool comprises a shaft body 1, a grab handle 2 is arranged at the upper part of the shaft body 1, a level gauge is arranged at the top part of the shaft body 1, the compass two-in-one embedded instrument panel is characterized in that an explosion warning lamp 4 is arranged at the lower end of a handle 2, a switch button 5 is arranged at the upper end of the explosion warning lamp 4, a charging interface 6 is arranged at the lower end of the explosion warning lamp 4, a plurality of fixed stops 7 and a positioner 8 are arranged in the middle of a rod body 1, a replaceable prying head 9 is arranged at the bottom end of the positioner 8 in a threaded manner, the positioner 8 can move between the two fixed stops 7, a prying supporting wheel 11 is arranged at the bottom of the rod body 1 through a U-shaped fixed support 10, a plurality of sleeves 12 are arranged in the rod body 1, press type buckles 13 are respectively arranged at the tops of the sleeves 12, the rod body 1 and the sleeves 12 are adjusted in length through the press type buckles 13, continuous height measurement scales are arranged on the outer walls of the rod body 1 and the sleeves 12, and a lighting lamp 15 is arranged at the tail end of one sleeve 12 through a fixer 14;
the utility model discloses a walking stick, including pole body 1, sleeve pipe 12, it is fixed through push type buckle 13 when stretching out, grab handle 2 adopts the rubber material, 1 bottom of pole body is equipped with rubber protective cap 16, 12 terminal closures of sleeve pipe are taken and are handled, sleeve pipe 12 is fixed through push type buckle 13 when stretching out, whole quality is light, portable, grab handle 2 adopts the rubber material, be convenient for hold the power of exerting oneself, when the supplementary march of pole body 1 as the walking stick, can prevent that debris from getting into pole body 1 is interior, when measuring the well depth, can prevent that debris from getting into intraductally.
The pole body 1 is equipped with the location sign between two fixed dog 7, and the both ends of locator 8 all adopt the hand nut 17 of twisting of butterfly to fix, and the one end of fixer 14 adopts the hand nut 17 of twisting of butterfly to fix, divide into the sign according to the well lid size: well lid diameter is not more than 500 mm's sign, well lid diameter equals 700 mm's sign, well lid diameter is not less than 900 mm's sign, the sign can be convenient for confirm the position of locator 8 fast, to other size well lids, locator 8 can be fixed in the position between the sign, pole body 1 is equipped with the location sign between fixed stop 7, be convenient for confirm the locator 8 positions that a class size well lid corresponds fast, improve the well lid and open and prepare work, locator 8 and 14 both ends of fixer adopt butterfly hand to twist nut 17 and be convenient for screw up and loosen.
The flashing warning lamp 4 adopts embedded chargeable banks, and the flashing warning lamp 4 is equipped with group hi-lite LED lamp holder, and wherein 2 groups are blue, 2 groups are red, and symmetrical arrangement explodes flashing warning lamp 4 and is equipped with 4 groups hi-lite LED red-blue lamp holders, and during the technical staff operation, can open the warning lamp, remind the vehicle of coming and going to notice dodging, improve the technical staff security.
The length of the rod body 1 is 150-160cm, the length of a single sleeve 12 is 95-105cm, the length of the rod body 1 is 150-160cm, the length is suitable for operating and opening the well lid, and the rod body is also suitable for being used as a walking stick; the single length of the sleeve 12 is 95-105cm, and when the sleeve 12 extends out partially or completely, the sleeve is used as a height measuring rod, and the maximum measurable depth is 4 m.
The light 15 is small-size LED flashlight, and sleeve pipe 12 end is equipped with detachable light 15, and when the darker inside of inspection shaft was dark, the inside condition in inspection shaft can be exploreed with light 15.
The bottom end of the locator 8 is provided with a replaceable pry head a 91.
The bottom end of the locator 8 is provided with a replaceable pry head b 92.
The bottom end of the locator 8 is provided with a replaceable pry head c 93.
A collecting box 18 is arranged at the right side of the shaft body 1, a collecting cover 19 is arranged at the upper part of the collecting box 18, and the collecting box 18 is convenient for collecting and placing various prying heads 9.
The working principle is as follows: when the well lid is used, the collecting box 18 is arranged on the rod body 1, so that different prying heads 9 can be conveniently carried when the well lid is opened, the prying heads 9 are convenient to carry, and the collecting is convenient after the well lid is used and is not easy to lose.
When the inspection well cover is used, the inspection well cover is simple in structure, convenient to carry and time-saving and labor-saving to use, the well cover can be quickly opened and the inspection well depth can be measured by a single person, the outdoor survey burden of technical personnel in the municipal industry can be effectively relieved, and the field survey work can be conveniently and efficiently completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a multi-functional portable municipal administration well lid opening tool, includes pole body (1), its characterized in that: the device is characterized in that a grab handle (2) is arranged at the upper part of a rod body (1), an instrument panel (3) is arranged at the top part of the rod body (1), an explosion flash warning lamp (4) is arranged at the lower end of the grab handle (2), a switch button (5) is arranged at the upper end of the explosion flash warning lamp (4), a charging interface (6) is arranged at the lower end of the explosion flash warning lamp (4), a plurality of fixed stop blocks (7) and a positioner (8) are arranged at the middle part of the rod body (1), a replaceable prying head (9) is arranged at the bottom end of the positioner (8), the positioner (8) can move between the two fixed stop blocks (7), a prying supporting wheel (11) is arranged at the bottom part of the rod body (1) through a U-shaped fixed support (10), a plurality of push type sleeves (12) are arranged in the rod body (1), a buckle (13) is respectively arranged at the top part of each push type sleeve (12), and the rod body (1) and the sleeves (12) can adjust the length through the push type buckle (13), the outer walls of the rod body (1) and the sleeves (12) are provided with continuous height measurement scales, and the tail end of one sleeve (12) is provided with a lighting lamp (15) through a fixer (14).
2. The multi-functional portable municipal well lid opening tool according to claim 1, characterized in that: the utility model discloses a plastic bottle opener, including pole body (1), sleeve pipe (12), the sleeve pipe (12) are fixed through push type buckle (13) when stretching out, grab handle (2) adopt the rubber material, pole body (1) bottom is equipped with rubber protective cap (16), sleeve pipe (12) end is taken the closing cap and is handled.
3. The multi-functional portable municipal well lid opening tool of claim 1, wherein: the rod body (1) is provided with a positioning mark between the two fixed stop blocks (7), the two ends of the positioner (8) are fixed by butterfly hand-screwed nuts (17), and one end of the fixer (14) is fixed by the butterfly hand-screwed nuts (17).
4. The multi-functional portable municipal well lid opening tool of claim 1, wherein: the explosion and flash warning lamp (4) adopts an embedded rechargeable lamp set, and the explosion and flash warning lamp (4) is provided with a set high-brightness LED lamp holder.
5. The multi-functional portable municipal well lid opening tool according to claim 1, characterized in that: the length of the rod body (1) is 150-160cm, and the length of the single sleeve (12) is 95-105 cm.
6. The multi-functional portable municipal well lid opening tool of claim 1, wherein: the illuminating lamp (15) is a small LED flashlight.
7. The multi-functional portable municipal well lid opening tool of claim 1, wherein: the bottom end of the positioner (8) is provided with a replaceable prying head a (91).
8. The multi-functional portable municipal well lid opening tool of claim 1, wherein: the bottom end of the positioner (8) is provided with a replaceable prying head b (92).
9. The multi-functional portable municipal well lid opening tool of claim 1, wherein: the bottom end of the positioner (8) is provided with a replaceable prying head c (93).
10. The multi-functional portable municipal well lid opening tool of claim 1, wherein: a collecting box (18) is arranged on the right side of the rod body (1), and a collecting cover (19) is arranged on the upper part of the collecting box (18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210425421.3A CN114890354A (en) | 2022-04-22 | 2022-04-22 | Multi-functional portable municipal administration well lid opening tool |
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Application Number | Priority Date | Filing Date | Title |
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CN202210425421.3A CN114890354A (en) | 2022-04-22 | 2022-04-22 | Multi-functional portable municipal administration well lid opening tool |
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CN202210425421.3A Pending CN114890354A (en) | 2022-04-22 | 2022-04-22 | Multi-functional portable municipal administration well lid opening tool |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4991893A (en) * | 1988-08-25 | 1991-02-12 | Saddle Vent, Inc. | Manhole cover lifting device |
FR2702753A1 (en) * | 1993-03-19 | 1994-09-23 | Bouvier Jean Michel | Device for handling plates covering trenches |
US6964407B1 (en) * | 2004-06-28 | 2005-11-15 | Butler Ted A | Manhole cover lifter |
US20130256616A1 (en) * | 2010-12-06 | 2013-10-03 | Eurosign | Tool for handling a sewer cover |
CN207877212U (en) * | 2018-01-23 | 2018-09-18 | 常州港华燃气有限公司 | Well cover opening device |
CN213326629U (en) * | 2020-04-28 | 2021-06-01 | 中国电建集团华东勘测设计研究院有限公司 | Multifunctional manhole cover opening device |
CN214005747U (en) * | 2020-10-19 | 2021-08-20 | 浙江华仕管道科技有限公司 | Multifunctional inspection well tool |
CN113324090A (en) * | 2021-05-27 | 2021-08-31 | 国网山东省电力公司莱芜供电公司 | Long arm type valve opening and closing tool |
CN214570570U (en) * | 2020-12-31 | 2021-11-02 | 中国航空油料集团有限公司 | Manhole cover opening and closing device |
-
2022
- 2022-04-22 CN CN202210425421.3A patent/CN114890354A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4991893A (en) * | 1988-08-25 | 1991-02-12 | Saddle Vent, Inc. | Manhole cover lifting device |
FR2702753A1 (en) * | 1993-03-19 | 1994-09-23 | Bouvier Jean Michel | Device for handling plates covering trenches |
US6964407B1 (en) * | 2004-06-28 | 2005-11-15 | Butler Ted A | Manhole cover lifter |
US20130256616A1 (en) * | 2010-12-06 | 2013-10-03 | Eurosign | Tool for handling a sewer cover |
CN103946144A (en) * | 2010-12-06 | 2014-07-23 | 法国欧莱霍艾西杰公司 | Tool for handling a sewer cover |
CN207877212U (en) * | 2018-01-23 | 2018-09-18 | 常州港华燃气有限公司 | Well cover opening device |
CN213326629U (en) * | 2020-04-28 | 2021-06-01 | 中国电建集团华东勘测设计研究院有限公司 | Multifunctional manhole cover opening device |
CN214005747U (en) * | 2020-10-19 | 2021-08-20 | 浙江华仕管道科技有限公司 | Multifunctional inspection well tool |
CN214570570U (en) * | 2020-12-31 | 2021-11-02 | 中国航空油料集团有限公司 | Manhole cover opening and closing device |
CN113324090A (en) * | 2021-05-27 | 2021-08-31 | 国网山东省电力公司莱芜供电公司 | Long arm type valve opening and closing tool |
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Application publication date: 20220812 |