CN211847072U - Wheel type well lid opening device based on lever principle - Google Patents
Wheel type well lid opening device based on lever principle Download PDFInfo
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- CN211847072U CN211847072U CN201922321593.2U CN201922321593U CN211847072U CN 211847072 U CN211847072 U CN 211847072U CN 201922321593 U CN201922321593 U CN 201922321593U CN 211847072 U CN211847072 U CN 211847072U
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- rod
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- well lid
- hole
- screw rod
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- 238000000034 method Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 238000011835 investigation Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model relates to a wheeled well lid opening device based on lever principle, including first member and the second member of tip fixed connection, the contained angle between first member and the second member is the obtuse angle, the junction of first member and second member is equipped with the mounting hole, wears to be equipped with the pivot in the mounting hole, the gyro wheel is installed respectively at the both ends of pivot; the first rod piece is used for connecting the well lid, the second rod piece is used for transmitting external torque, a through hole is formed in one end, far away from the second rod piece, of the first rod piece, and the axis of the through hole, the central axis of the first rod piece and the central axis of the second rod piece are located on the same plane; be equipped with the screw rod in the through-hole, the lower extreme of screw rod pass behind the first member with buckle fixed connection, the nut is installed to the upper end of screw rod, the buckle can stretch into the hole of opening of well lid, the buckle can be after stretching into the hole of opening limit screw rod and along the vertical ascending motion of well lid.
Description
Technical Field
The utility model belongs to the technical field of engineering equipment, concretely relates to wheeled well lid opening device based on lever principle.
Background
The work content of the cable transportation and inspection major mainly comprises cable channel operation and maintenance, cable line laying, cable line moving and changing and power failure maintenance work of various designed cable lines. In the field investigation stage, each work requires people to open the cable inspection well and check the running condition, the trend and the like of the internal cable. When each work is carried out, dozens of cable well covers or even dozens of cable well covers are basically required to be opened, the workload is extremely high, and the requirement on physical strength is also extremely high.
The inventor has appreciated that the weight of the existing bearing type electric well lid is relatively large, and the used well lid opening tool mainly depends on manpower, is not assisted by any external force, and cannot be applied to all types of well lids due to the size problem. Therefore, each time the on-site investigation work comes down, only the work of pulling the well lid open consumes a lot of manpower, and the subsequent investigation of the staff can not be completed under the condition of abundant physical strength.
Among the existing cable hoisting equipment, there are simple hoisting devices that utilize the lever principle to hoist the well lid, and these hoisting devices have the following disadvantages:
the setting of hoist is unreasonable, and hoisting device's hoist is difficult to adapt to the lifting eye in the different specification well lids, and the unmatched condition of hoist and lifting eye appears easily after the shape and the size of lifting eye change.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned prior art, provide a wheeled well lid opening device based on lever principle, can be convenient for realize opening of cable well lid, reduce the manpower loss that the in-process was opened to the well lid.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a wheeled well lid opening device based on lever principle, includes tip fixed connection's first member and second member, contained angle between first member and the second member is the obtuse angle, the junction of first member and second member is equipped with the mounting hole, wears to be equipped with the pivot in the mounting hole, the gyro wheel is installed respectively at the both ends of pivot.
First member is used for connecting the well lid, the second member is used for transmitting outside moment, the one end that the second member was kept away from to first member is equipped with the through-hole, the axis of through-hole, the central axis of first member, the central axis of second member are in the coplanar.
Be equipped with the screw rod in the through-hole, the lower extreme of screw rod pass behind the first member with buckle fixed connection, the nut is installed to the upper end of screw rod, the buckle can stretch into the hole of opening of well lid, the buckle can be after stretching into the hole of opening limit screw rod and along the vertical ascending motion of well lid.
The buckle comprises a bottom plate, the bottom plate is perpendicular to the screw rod, mounting seats are fixedly arranged on the upper surfaces of two ends of the bottom plate and are rotatably connected with the overhanging plate, the overhanging plate can change an included angle between the overhanging plate and the screw rod in the rotating process, and the included angle between the overhanging plate and the screw rod ranges from 0 degree to 90 degrees.
Further, bearings are respectively installed at two ends of the rotating shaft, and the rotating shaft is rotatably connected with the roller through the bearings.
Furthermore, a grab handle is arranged at one end, away from the first rod piece, of the second rod piece, and an included angle between the grab handle and the second rod piece is an obtuse angle.
Further, the length of second member is greater than first member, the grab handle sets up towards first member, the central axis of grab handle, the central axis of first member and the central line of second member are in the coplanar.
Further, the central axis of the rotating shaft is perpendicular to the central axis of the first rod piece.
The utility model has the advantages that:
the cooperation of screw rod, nut and buckle can realize through screwing up the nut that the top between first member, buckle and the well lid is tight for the central axis of first member is in parallel state with the plane at well lid place, and the moment of the first member transmission second member department of being convenient for reduces the moment loss of first member and second member department.
The bearing and the roller structure are matched for use, so that rolling friction can be provided when the second rod piece is pulled backwards, and the resistance of sliding friction is reduced.
The extension and retraction of the buckle are realized by the aid of the extension plate along the rotation of the bottom plate, the space occupied by the buckle after retraction is small, the space occupied after extension is large, and the buckle can conveniently penetrate through well cover open air holes of different specifications and can fix the well cover along the axis direction of the screw rod.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is an axonometric view of the overall structure in an embodiment of the invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure: 1. buckling; 2. a first bar member; 3. a nut; 4. a screw; 5. a roller; 6. a second bar member; 7. a handle; 8. a rotating shaft; 9. mounting a plate; 101. a base plate; 102. a mounting seat; 103. a plate is extended.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up, down, left, right" in the present invention, if appearing, are intended to correspond only to the upper, lower, left, right directions of the drawings themselves, not to limit the structure, but merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
The utility model discloses an among the typical embodiment, as shown in fig. 1-2, a wheeled well lid opening device based on lever principle, first member 2 and second member 6 including tip fixed connection, contained angle between first member 2 and the second member 6 is the obtuse angle, first member 2 is equipped with the mounting hole with the junction of second member 6, wears to be equipped with pivot 8 in the mounting hole, gyro wheel 5 is installed respectively at the both ends of pivot 8.
Be equipped with screw rod 4 in the through-hole, the lower extreme of screw rod 4 passes behind the first member 2 with 1 fixed connection of buckle, nut 3 is installed to the upper end of screw rod 4, buckle 1 can stretch into the opening hole of well lid, buckle 1 can be after stretching into opening hole restrict screw rod 4 with along the vertical ascending motion of well lid.
The buckle 1 comprises a bottom plate 101, the bottom plate 101 is perpendicular to the screw rod 4, mounting seats 102 are fixedly arranged on the upper surfaces of two ends of the bottom plate 101, the mounting seats 102 are rotatably connected with an outward extending plate 103, the outward extending plate 103 can change an included angle between the outward extending plate 103 and the screw rod 4 in a rotating process, and the included angle between the outward extending plate 103 and the screw rod 4 ranges from 0 degree to 90 degrees.
Specifically, the bearings are respectively installed at two ends of the rotating shaft 8, and the rotating shaft 8 is rotatably connected with the roller 5 through the bearings. A grab handle 7 is arranged at one end, far away from the first rod piece 2, of the second rod piece 6, and an included angle between the grab handle 7 and the second rod piece 6 is an obtuse angle.
In some embodiments, to facilitate the mounting of the roller to the axle, the end of the first bar 2 adjacent to the second bar may be increased in width to form a mounting plate 9; in other embodiments, the first rod and the second rod may be both rods with constant cross-sectional areas, and no mounting plate structure is provided.
In some embodiments, buckle 11 can be rectangular shaped plate, and buckle 1 of rectangular shaped plate should be corresponding to the well lid trompil of rectangular shape, and the size of well lid trompil is the same with the rectangular plate size, can pass through rotatory rectangular shaped plate after inserting rectangular shaped plate from the well lid trompil for the in-process that moves up of screw rod 4, rectangular shaped plate drive well lid shifts up.
In other embodiments, the structural form of the buckle 1 can be set by a person skilled in the art, and is not described herein.
The bearings are respectively installed at two ends of the rotating shaft 8, and the rotating shaft 8 is rotatably connected with the roller 5 through the bearings.
A grab handle 7 is arranged at one end, far away from the first rod piece 2, of the second rod piece 6, and an included angle between the grab handle 7 and the second rod piece 6 is an obtuse angle.
The length of the second rod piece 6 is larger than that of the first rod piece 2, the grab handle 7 is arranged towards the first rod piece 2, and the central axis of the grab handle 7, the central axis of the first rod piece 2 and the central circumference of the second rod piece 6 are positioned on the same plane. The central axis of the rotating shaft 8 is perpendicular to the central axis of the first rod 2.
The first rod piece 2 is used as a shorter rod in the lever and is used for tilting the well cover; the second rod piece 6 is used as a longer rod in the lever and is used for transmitting torque; the grab handle 7 is a position grabbed by a constructor during operation, can be pressed down and pulled back simultaneously, and is convenient for opening and moving the well lid. The nut 3 is used for fixing the screw rod 4 and the first rod piece 2 together so as to ensure that the screw rod 4 can be lifted upwards in the process of lifting the first rod piece 2 upwards, so that the electric well cover can be opened; the screw rod 4 is used for extending the buckle 1 into a reserved opening hole of the electric well lid and tilting the well lid along with the lifting of the first rod piece 2; one of the functions of the roller 5 is as a fulcrum of the lever, and the other function is to facilitate pulling the well lid away from the original position after being opened.
In some embodiments, the central axis of the spindle 8 is perpendicular to the central axis of the first pin 2.
The working principle is as follows: when the device is used, buckle 1 is passed the well lid trompil for the in-process that moves up on screw rod 4, the well lid can shift up under buckle 1's drive in step, then passes the through-hole of first member 2 with screw rod 4, and the upper end mounting nut 3 of screw rod 4 makes buckle 1 sticis the lower surface of well lid, the upper surface that first member 2 sticiss the well lid through screwing nut 3.
The grab handle 7 is pressed down to enable the well lid to be raised, the grab handle 7 is pulled backwards, the grab handle 7 drives the first rod piece 2 and the second rod piece 6 to move downwards in a certain horizontal direction away from the well mouth, and the well lid is taken away from the well mouth.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (6)
1. A wheel type well lid opening device based on a lever principle is characterized by comprising a first rod piece and a second rod piece which are fixedly connected at the end parts, wherein an included angle between the first rod piece and the second rod piece is an obtuse angle, a mounting hole is formed in the connection part of the first rod piece and the second rod piece, a rotating shaft penetrates through the mounting hole, and two ends of the rotating shaft are respectively provided with a roller;
the first rod piece is used for connecting the well lid, the second rod piece is used for transmitting external torque, a through hole is formed in one end, far away from the second rod piece, of the first rod piece, and the axis of the through hole, the central axis of the first rod piece and the central axis of the second rod piece are located on the same plane;
a screw rod is arranged in the through hole, the lower end of the screw rod penetrates through the first rod piece and then is fixedly connected with the buckle, a nut is arranged at the upper end of the screw rod, the buckle can extend into an opening hole of the well lid, and the buckle can limit the screw rod and the well lid to vertically move upwards after extending into the opening hole;
the buckle comprises a bottom plate, the bottom plate is perpendicular to the screw rod, mounting seats are fixedly arranged on the upper surfaces of two ends of the bottom plate and are rotatably connected with the overhanging plate, the overhanging plate can change an included angle between the overhanging plate and the screw rod in the rotating process, and the included angle between the overhanging plate and the screw rod ranges from 0 degree to 90 degrees.
2. The lever-based wheeled manhole cover opening device according to claim 1, wherein bearings are mounted at two ends of the rotating shaft, and the rotating shaft is rotatably connected with the rollers through the bearings.
3. The lever-based wheeled manhole cover opening device of claim 1, wherein a handle is provided at an end of the second rod far from the first rod, and an included angle between the handle and the second rod is an obtuse angle.
4. The lever-based wheeled manhole cover opening device of claim 3, wherein the second rod has a greater length than the first rod, the handle is disposed toward the first rod, and the central axis of the handle, the central axis of the first rod, and the central circumference of the second rod are in the same plane.
5. The lever-based wheeled manhole cover opening device of claim 1, wherein the central axis of the rotating shaft is perpendicular to the central axis of the first rod.
6. The lever-based wheeled manhole cover opening device of claim 1, wherein the overhanging plate is a square plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321593.2U CN211847072U (en) | 2019-12-19 | 2019-12-19 | Wheel type well lid opening device based on lever principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321593.2U CN211847072U (en) | 2019-12-19 | 2019-12-19 | Wheel type well lid opening device based on lever principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211847072U true CN211847072U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922321593.2U Active CN211847072U (en) | 2019-12-19 | 2019-12-19 | Wheel type well lid opening device based on lever principle |
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| CN (1) | CN211847072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428817A (en) * | 2021-06-18 | 2021-09-24 | 国网山东省电力公司建设公司 | Special well lid opening tool and method for opening well lid by using same |
-
2019
- 2019-12-19 CN CN201922321593.2U patent/CN211847072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428817A (en) * | 2021-06-18 | 2021-09-24 | 国网山东省电力公司建设公司 | Special well lid opening tool and method for opening well lid by using same |
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