CN216997571U - Foldable manhole cover opener - Google Patents
Foldable manhole cover opener Download PDFInfo
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- CN216997571U CN216997571U CN202220688597.3U CN202220688597U CN216997571U CN 216997571 U CN216997571 U CN 216997571U CN 202220688597 U CN202220688597 U CN 202220688597U CN 216997571 U CN216997571 U CN 216997571U
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- well lid
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- foldable
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Abstract
The utility model belongs to the technical field of pavement well lid equipment, in particular to the field of foldable well lid openers for ground wells, which comprises a power arm, a permanent magnetic chuck, a well lid and a ground surface, wherein a composite hinge is arranged on the inner side of the power arm, a resistance arm is arranged on one side of the composite hinge, which is not connected with the power arm, a traction rope is arranged on the inner side of the resistance arm, an anti-skidding sleeve is arranged on the outer ring of one end, which is far away from the composite hinge, of the power arm, after the permanent magnetic chuck and the well lid are magnetically sucked and fixed, the traction rope is connected with a connecting ring, then acting force is applied to the power arm, and the end, which is far away from the composite hinge, of the resistance arm is gradually lifted upwards through a lever principle, so that the opening work of the well lid is realized in the process, when the well lid is opened through the lever principle, two rolling wheels are stably positioned above the ground surface, and further serve as fulcrums, thereby open the well lid through lever principle.
Description
Technical Field
The utility model belongs to the technical field of pavement well lid equipment, and particularly relates to a foldable well lid opener for a ground well.
Background
The well lid is used for hiding the road or the deep well in the family, prevents that people or object from falling, can divide into metal well lid, high strength fiber cement concrete well lid, resin well lid etc. according to the material, generally adopts circularly, can be used to greenbelt, pavement, motorway, pier, lane etc. because the well lid is in the environment very abominable for a long time, causes the corrosion serious between well lid and the walling crib, and the phenomenon such as rated load capacity well lid deformation is surpassed in to the pressurized.
The well lid is opened often to various operations such as need install at the pipeline, overhaul, patrol, especially the well lid border can appear because the condition that freezes in winter and is frozen, summer is blockked up by silt, very difficult when can cause the well lid to lift, because the well lid is comparatively heavy, generally do not hardly open with the help of the instrument, do not do well with the crow bar and iron hook and can dodge the waist, injure the foot by a crashing object, consequently need use the well lid opener.
SUMMERY OF THE UTILITY MODEL
The well lid is opened through the ground well hook to current well lid opener majority, but produces the spark easily at this process, and the ground well hook can lead to the fact the wearing and tearing of certain mechanicalness to the well lid moreover, can make simultaneously to produce the friction between well lid and the ground, can make the well lid sealing washer receive the destruction like this. The utility model provides a foldable manhole cover opener, which comprises a permanent magnetic chuck, a starting handle, a connecting ring, a well cover, a bearing structure, a connecting ring, a connecting rod, a connecting ring, a bearing structure, a connecting rod, a connecting ring, a connecting rod and a connecting rod, wherein when the well cover needs to be removed from the well cover, the bottom surface of the well cover is stably placed on the ground or the bearing structure, the starting handle rotates reversely, the connecting rod and the connecting rod are connected with the connecting rod through the connecting rod, thereby realize the characteristics to the protection of well lid sealing washer.
The utility model provides the following technical scheme: folded cascade ground well lid opener, including power arm, permanent magnetism sucking disc, well lid, ground, the inboard of power arm is provided with compound hinge, one side that compound hinge is not connected with the power arm is provided with the resistance arm, the inboard of resistance arm is provided with pulls the rope, the outer lane that compound hinge one end was kept away from to the power arm is provided with the antiskid cover, the lower extreme of power arm is provided with the wheel that rolls, permanent magnetism sucking disc includes sucking disc main part, starting handle, go-between.
The power arm is arranged in an L-shaped structure, a groove body matched with the resistance arm in size is arranged on the inner side of the power arm, and the power arm is movably connected with the resistance arm through a composite hinge; when the device is used, after the suction cup main body finishes sucking and fixing the well lid, the resistance arm is gradually pulled out from the groove body on the inner side of the power arm until the composite hinge reaches the locking angle, and then the well lid is opened.
The anti-skid sleeve is a rubber sleeve with a cylindrical structure, and the length of the power arm is twice that of the resistance arm; when the well lid is opened, the sucker main body and the well lid are fixed in a magnetic attraction mode, then the traction rope is connected with the connecting ring, then a user holds the anti-skidding sleeve and gradually applies acting force to the power arm, and then the well lid is opened through a lever principle.
The inner side of one end, far away from the composite hinge, of the resistance arm is provided with a hole groove, and the traction rope is flexibly connected with the resistance arm through the hole groove; when carrying out the magnetic force with permanent magnetism sucking disc and well lid and holding fixed back, will pull rope and go-between and be connected, then apply the effort to the power arm, and then upwards lift up gradually the one end of keeping away from compound hinge with the resistance arm through lever principle to realize opening work with the well lid at this in-process.
The two rolling wheels are symmetrically arranged at the two ends of the power arm; when opening the well lid through lever principle, the steady top that is located ground of two rolling wheels, and then regard as the fulcrum through two rolling wheels to open the well lid through lever principle.
The permanent magnetic chuck is a neodymium iron boron permanent magnetic chuck, and the connecting ring is movably connected with the chuck main body through a connecting piece; after the permanent magnetic chuck is stably placed at the central position on the well cover, the starting handle is rotated, thereby realizing the sucking and fixing of the well lid by changing the magnetic system of the neodymium iron boron in the sucker main body, then the traction rope is connected with the connecting ring, then the well lid is opened, when the well lid needs to be released from the holding and fixing, the bottom surface of the well lid is stably placed on the ground or above the bearing structure, then the starting handle is reversely rotated, so as to change the magnetic force system of the neodymium iron boron in the permanent magnetic chuck, at the moment, the permanent magnetic chuck does not generate suction force to the well lid any more, thereby realizing the unloading and releasing of the well lid, simultaneously, in the opening process, the mechanical abrasion to the well lid can not be caused, and simultaneously, the well lid does not need to be dragged, and then avoid producing the friction between well lid and the ground to the protection to the well lid sealing washer is realized.
The utility model has the beneficial effects that: when the well lid is opened by a lever principle, the two rolling wheels are stably positioned above the ground, and then the two rolling wheels are used as fulcrums, so that the well lid is opened by the lever principle, after the permanent magnetic chuck is stably placed at the central position above the well lid, the starting handle is rotated, the well lid is fixedly sucked by changing the neodymium iron boron magnetic system in the chuck main body, the traction rope is connected with the connecting ring, then the well lid is opened, when the sucking and fixing of the well lid needs to be relieved, the bottom surface of the well lid is stably placed above the ground or the bearing structure, then the starting handle is reversely rotated, the neodymium iron boron magnetic system in the permanent magnetic chuck is changed, at the moment, the permanent magnetic chuck does not generate suction to the well lid any more, and further the unloading and releasing of the well lid are realized, simultaneously at this in-process of opening, can not cause mechanical wearing and tearing to the well lid, need not pull the well lid simultaneously, and then avoid producing the friction between well lid and the ground to the realization is to the protection of well lid sealing washer.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural view of the well lid of the present invention when being lifted;
FIG. 4 is an enlarged view of the structure at B in FIG. 3;
in the figure: 1. a power arm; 11. an anti-slip sleeve; 2. a resistance arm; 21. a traction rope; 3. a compound hinge; 4. a rolling wheel; 5. a permanent magnetic chuck; 51. a suction cup main body; 52. starting a handle; 53. a connecting ring; 6. a well cover; 7. and (4) the ground.
Detailed Description
Referring to fig. 1-4, the present invention provides the following technical solutions: folded cascade ground well lid opener, including power arm 1, permanent magnetism sucking disc 5, well lid 6, ground 7, the inboard of power arm 1 is provided with compound hinge 3, one side that compound hinge 3 is not connected with power arm 1 is provided with resistance arm 2, the inboard of resistance arm 2 is provided with traction rope 21, the outer lane that 3 one end of compound hinge was kept away from to power arm 1 is provided with antiskid cover 11, the lower extreme of power arm 1 is provided with rolling wheel 4, permanent magnetism sucking disc 5 includes sucking disc main part 51, starting handle 52, go-between 53.
In this embodiment: the type of the permanent magnetic chuck is as follows: PLM-200.
In this embodiment: the power arm 1 is arranged in an L-shaped structure, a groove body matched with the resistance arm 2 in size is arranged on the inner side of the power arm 1, and the power arm 1 is movably connected with the resistance arm 2 through a composite hinge 3; when the device is used, after the sucker main body 51 finishes sucking and fixing the well lid 6, the resistance arm 2 is gradually drawn out from the groove body on the inner side of the power arm 1 until the composite hinge 3 reaches a locked angle, and then the well lid 6 is opened.
The anti-skid sleeve 11 is a rubber sleeve with a cylindrical structure, and the length of the power arm 1 is twice that of the resistance arm 2; when the well lid 6 is opened, the sucker main body 51 and the well lid 6 are fixed by magnetic attraction, the traction rope 21 is connected with the connecting ring 53, the user holds the anti-slip sleeve 11 and gradually applies acting force to the power arm 1, and then the well lid 6 is opened by a lever principle.
The inner side of one end of the resistance arm 2, which is far away from the composite hinge 3, is provided with a hole groove, and the traction rope 21 is flexibly connected with the resistance arm 2 through the hole groove; after carrying out magnetic force suction with permanent magnetism sucking disc 5 and well lid 6 and holding fixedly, will pull rope 21 and go-between 53 and be connected, then apply the effort to power arm 1, and then upwards lift up gradually the one end of keeping away from compound hinge 3 with resistance arm 2 through lever principle to realize the work of opening with well lid 6 at this in-process.
The two rolling wheels 4 are arranged, and the two rolling wheels 4 are symmetrically arranged at the two ends of the power arm 1; when opening well lid 6 through lever principle, two rolling wheel 4 are steady to be located the top of ground 7, and then take place as the fulcrum through two rolling wheels 4 to open well lid 6 through lever principle.
The permanent magnetic chuck 5 is a neodymium iron boron permanent magnetic chuck, and the connecting ring 53 is movably connected with the chuck main body 51 through a connecting piece; after the permanent magnetic chuck 5 is stably placed at the central position on the well lid 6, the starting handle 52 is rotated, the well lid 6 is stably held and fixed by changing the neodymium iron boron magnetic system in the chuck main body 51, the traction rope 21 is connected with the connecting ring 53, the well lid 6 is opened, when the well lid 6 needs to be released from being held and fixed, the bottom surface of the well lid 6 is stably placed above the ground 7 or the bearing structure, the starting handle 52 is reversely rotated, the neodymium iron boron magnetic system in the permanent magnetic chuck 5 is changed, the permanent magnetic chuck 5 does not generate suction to the well lid 6, the well lid 6 is unloaded and released, meanwhile, in the opening process, the mechanical abrasion to the well lid 6 is avoided, meanwhile, the well lid 6 does not need to be dragged, and friction between the well lid 6 and the ground 7 is avoided, thereby realize the protection to 6 sealing washers of well lid.
The working principle and the using process of the utility model are as follows: when the device is used, firstly, after the permanent magnetic chuck 5 is stably placed at the central position on the well lid 6, the starting handle 52 is rotated, the well lid 6 is sucked and fixed by changing the neodymium iron boron magnetic system in the chuck main body 51, then the resistance arm 2 is gradually pulled out from the groove body on the inner side of the power arm 1 until the composite hinge 3 reaches the locking angle, then the traction rope 21 is connected with the connecting ring 53, then a user holds the anti-skidding sleeve 11 and gradually applies acting force to the power arm 1, at the moment, one end of the resistance arm 2 far away from the composite hinge 3 is gradually lifted up by the lever principle, the two rolling wheels 4 are stably positioned above the ground 7, and then the well lid 6 is opened by the lever principle by taking the two rolling wheels 4 as fulcrums, when the sucking and fixing of the well lid 6 need to be released, the bottom surface of the well lid 6 is stably placed above the ground 7 or a bearing structure, then will start handle 52 and carry out opposite rotation, and then change the magnetic force system of the inside neodymium iron boron of permanent magnetism sucking disc 5, permanent magnetism sucking disc 5 no longer produces suction to well lid 6 this moment, and then realizes the uninstallation release to well lid 6, and the in-process of opening here simultaneously can not lead to the fact mechanical wearing and tearing to well lid 6, need not pull well lid 6 simultaneously, and then avoids producing the friction between well lid 6 and ground 7 to the realization is to the protection of well lid 6 sealing washer.
Claims (6)
1. Folded cascade well lid opener, its characterized in that: including power arm, permanent magnetism sucking disc, well lid, ground, the inboard of power arm is provided with compound hinge, one side that compound hinge is not connected with the power arm is provided with the resistance arm, the inboard of resistance arm is provided with pulls the rope, the outer lane that compound hinge one end was kept away from to the power arm is provided with the antiskid cover, the lower extreme of power arm is provided with the wheel that rolls, permanent magnetism sucking disc includes sucking disc main part, starting handle, go-between.
2. Foldable manhole cover opener according to claim 1, characterized in that: the power arm is set up for L type structure, the inboard of power arm be provided with resistance arm size assorted cell body, the power arm passes through compound hinge and resistance arm swing joint.
3. Foldable manhole cover opener according to claim 1, characterized in that: the anti-skidding sleeve is a rubber sleeve with a cylindrical structure, and the length of the power arm is twice that of the resistance arm.
4. Foldable manhole cover opener according to claim 1, characterized in that: the inboard that compound hinge one end was kept away from to the resistance arm is provided with the hole groove, the haulage rope passes through hole groove and resistance arm flexonics.
5. Foldable manhole cover opener according to claim 1, characterized in that: the two rolling wheels are symmetrically arranged at the two ends of the power arm.
6. Foldable manhole cover opener according to claim 1, characterized in that: the permanent magnetic chuck is a neodymium iron boron permanent magnetic chuck, and the connecting ring is movably connected with the chuck main body through a connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220688597.3U CN216997571U (en) | 2022-03-28 | 2022-03-28 | Foldable manhole cover opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220688597.3U CN216997571U (en) | 2022-03-28 | 2022-03-28 | Foldable manhole cover opener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216997571U true CN216997571U (en) | 2022-07-19 |
Family
ID=82373058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220688597.3U Active CN216997571U (en) | 2022-03-28 | 2022-03-28 | Foldable manhole cover opener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216997571U (en) |
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2022
- 2022-03-28 CN CN202220688597.3U patent/CN216997571U/en active Active
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