CN219363202U - Foldable movable supporting leg for cable well cover opening and covering device - Google Patents
Foldable movable supporting leg for cable well cover opening and covering device Download PDFInfo
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- CN219363202U CN219363202U CN202320313474.6U CN202320313474U CN219363202U CN 219363202 U CN219363202 U CN 219363202U CN 202320313474 U CN202320313474 U CN 202320313474U CN 219363202 U CN219363202 U CN 219363202U
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- supporting leg
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Abstract
The utility model discloses a foldable movable supporting leg for a cable manhole cover opening device, which comprises a movable supporting leg body, a first gas spring, a folding connecting rod and a first supporting wheel arranged at the lower part of the movable supporting leg body, wherein the first gas spring is arranged on the lower part of the movable supporting leg body; one end of the folding connecting rod is hinged with the main frame of the cable manhole cover opening device, and the other end of the folding connecting rod is hinged with the movable supporting leg body; one end of the first gas spring is hinged with the main frame of the cable well cover opening device, and the other end of the first gas spring is hinged with the folding connecting rod. The folding support device can be used on the cable well lid lifting device, is convenient to push and move the cable well lid lifting device to different operation sites, obtains convenient and flexible movement, can be skillfully folded to the bottom of the cable well lid lifting device by means of pushing, can flexibly realize folding storage and unfolding support of the movable support legs, is labor-saving, convenient and easy to operate, and can be widely popularized and applied.
Description
Technical Field
The utility model belongs to the technical field of engineering equipment, and particularly relates to a supporting leg for a manhole cover opening device.
Background
When the cable line inspection and repair construction is performed, the constructor needs to manually open and cover the well cover due to the lack of a special cable well cover opening tool.
Because of the limitation of the field construction site, the current lifting and positioning mode of the cable shaft cover plate is generally completed by means of a crowbar, and particularly, the cable shaft cover plate with larger specification and size needs to be applied with force by multiple people, so that the cable shaft cover plate is time-consuming, labor-consuming and extremely low in efficiency. The mode not only requires a plurality of workers to be skillfully matched, but also can cause damage to corners of the cover plate in the process of prying the cover plate, is not easy to reset, has higher requirements on physical quality and skill level of construction, can cause scratches, bruise, strain and the like of the workers if the degree of flip matching is insufficient, and even causes serious accidents such as short circuit and power failure and the like when the cover plate of the well cover falls into a cable well and a ditch to bruise the cable, thereby influencing the personal and equipment safety.
Aiming at the difficult problem of cable well lid opening and covering operation, a plurality of units have conducted beneficial exploratory researches. The power supply company in Zhejiang, antifebrile county of China develops a simple opening device for the cable and the cover, and the opening of the well cover is realized by adopting the combination of the L-shaped bracket and the jack. The lifting tool for the cover plate of the cable well is developed by the Ningbo power supply company of the power company of Zhejiang province of China, and the lifting of the well cover is realized by utilizing an electric hydraulic device. Both devices cannot move, and the moving and the installation of the well lid cannot be realized.
Therefore, how to provide a device, which can support the convenient movement of the lifting/covering device of the cable manhole cover plate and even facilitate the storage of the device, is one of the problems to be solved.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides a foldable movable supporting leg for a cable well cover opening device.
The technical scheme is as follows: the utility model provides a foldable movable supporting leg for a cable manhole cover opening device, which comprises a movable supporting leg body, a first gas spring, a folding connecting rod and a first supporting wheel arranged at the lower part of the movable supporting leg body, wherein the first gas spring is arranged on the lower part of the movable supporting leg body;
one end of the folding connecting rod is hinged with the main frame of the cable manhole cover opening device, and the other end of the folding connecting rod is hinged with the movable supporting leg body; one end of the first gas spring is hinged with the main frame of the cable well cover opening device, and the other end of the first gas spring is hinged with the folding connecting rod.
Preferably, the movable supporting leg body of the foldable movable supporting leg is hinged with the main frame of the cable well cover opening device.
Preferably, the first gas spring is a controllable gas spring with a switch.
Preferably, the other end of the first gas spring is hinged with a part of the folding connecting rod adjacent to the folding position.
Further preferably, the movable support leg further comprises a hollow bracket for mounting the movable support leg body; the hollow bracket is fixedly arranged on the main frame of the cable well cover opening and covering device;
the hollow bracket is provided with a rotation center hole position corresponding to the rotation center of the movable supporting leg body relative to the main frame.
Further preferably, the hollow bracket is also provided with an arc-shaped limit groove taking a rotation center hole position of the hollow bracket as a circle center; the foldable movable supporting leg further comprises a touch rod and an auxiliary transmission connecting rod;
the touch rod comprises a touch rod central hole, and a first rod body and a second rod body which extend outwards relative to the touch rod central hole;
the touch rod is pin-connected on the rotating center corresponding to the rotating center hole through the touch rod center hole on the touch rod and the rotating center hole on the hollow bracket corresponding to the touch rod;
the outer end of the second rod body of the touch rod and one end of the auxiliary transmission connecting rod are jointly pin-connected on an arc-shaped limit groove on the hollow bracket corresponding to the outer end of the second rod body of the touch rod; the other end of the auxiliary transmission connecting rod is hinged with the corresponding folding connecting rod.
Further preferably, an included angle between the first rod body and the second rod body of the touch rod is an obtuse angle.
Further preferably, a first auxiliary roller is arranged at the outer end of the first rod body of the touch rod.
Preferably, the hollow bracket is a Y-shaped hollow bracket.
Further preferably, the hollow bracket of the foldable movable supporting leg is also provided with an auxiliary wheel; and an extension part for installing an auxiliary wheel is also extended outwards on the Y-shaped hollow bracket.
Preferably, the foldable movable supporting leg further comprises a leg guard plate fixed on the movable supporting leg body; the lower end of the leg guard plate is also provided with a second auxiliary roller.
The beneficial effects are that: the foldable movable supporting leg for the cable well lid lifting/opening device can be used on the cable well lid lifting/opening device, namely, the cable well lid lifting/opening device can be pushed and moved to different operation places according to the requirements of application scenes, so that the convenient and flexible movement can be obtained, the foldable movable supporting leg can be folded to the bottom of the cable well lid lifting/opening device skillfully by means of pushing and collision, folding and storage of the movable supporting leg can be realized flexibly, and on the contrary, unfolding and supporting can be realized conveniently, so that the integral folding and storage and landing unfolding of the cable well lid lifting/opening device are facilitated, labor is saved, the operation is convenient and easy, and the foldable movable supporting leg has extremely high usability, universality and flexibility and wide popularization and application.
Drawings
Fig. 1 is a schematic structural view of the foldable movable supporting leg (partially provided with the auxiliary wheels 4) for the cable manhole cover opening device provided in embodiment 1 when mounted on a main frame;
FIG. 2 is an enlarged view of a portion of the M in FIG. 1;
fig. 3 is a schematic structural view of the foldable mobile support leg for the cable manhole cover opening device provided in embodiment 1 when the foldable mobile support leg is folded and stored to the bottom of the main frame;
fig. 4 is a schematic structural view of the foldable moving support leg (each provided with the auxiliary wheel 4) for the cable manhole cover opening device provided in embodiment 2 when mounted on the main frame;
fig. 5 is a schematic structural view of the foldable mobile support leg for the cable manhole cover opening device according to embodiment 2 when the foldable mobile support leg is folded and stored in the bottom of the main frame;
fig. 6 is a schematic structural view of the foldable moving support leg for the cable manhole cover opening device according to embodiment 2 when the foldable moving support leg is folded and stored in the bottom of the main frame (the auxiliary wheel 4 is hidden).
Detailed Description
The technical scheme of the utility model is further described in detail below through examples and with reference to the accompanying drawings.
Example 1: the schematic structural diagram of a foldable mobile support leg for a cable manhole cover opening device provided in this embodiment 1 is shown in fig. 1, where the foldable mobile support leg 1 includes a mobile support leg body, a first gas spring 5, a folding link 22, and a first support wheel 3 mounted on the lower portion of the mobile support leg body; one end of the folding connecting rod 22 is hinged with the bottom of the main frame 9 of the cable manhole cover opening device, and the other end of the folding connecting rod is hinged with the side wall of the movable supporting leg body; one end of the first gas spring 5 is hinged with the bottom of the main frame 9 of the cable manhole cover opening device, and the other end of the first gas spring is hinged with the folding connecting rod 22.
In this embodiment, specifically, the movable supporting leg body of the foldable movable supporting leg 1 is hinged to the main frame 9 of the cable manhole cover opening device using the foldable movable supporting leg.
In certain preferred embodiments, the first gas spring 5 is a controllable gas spring with a switch. In certain preferred embodiments, the switch is a pull switch.
In some preferred embodiments, the other end of the first gas spring 5 is hinged to the folding link 22 adjacent to the folded portion.
In this embodiment, in particular, the foldable mobile support leg further includes a hollow bracket 23 for mounting the mobile support leg body; the hollow bracket 23 can be fixedly arranged on the main frame 9 of the cable well cover opening device using the foldable movable supporting leg.
In this embodiment, as shown in fig. 1 and 2, the hollow bracket 23 is provided with a rotation center hole 230 corresponding to the rotation center of the movable supporting leg body with respect to the main frame 9. It can also be said that: the hollow bracket 23 is provided with a rotation center hole 230 corresponding to the rotation folding/rotation folding when the movable support leg body is rotatably accommodated to the bottom of the main frame 9.
In this embodiment, specifically, as shown in fig. 1 and fig. 2, the hollow bracket 23 is further provided with an arc-shaped limiting groove 231 with its rotation center hole as a center; the foldable movable supporting leg 1 further comprises a bump rod 7 and an auxiliary transmission link 24.
In this embodiment, as can be seen in particular in connection with fig. 1 and 2, the striker 7 comprises a striker central bore 70, and a first rod body 71 and a second rod body 72 extending outwardly relative to the striker central bore 70; the bumper 7 is aligned and clearance pin-connected on the rotation center corresponding to the rotation center hole through the bumper center hole 70 and the rotation center hole on the hollow bracket 23 corresponding to the bumper 7; it can also be said that: the bumper 7 is aligned with the center hole of rotation on the hollow bracket 23 corresponding thereto through the bumper center hole 70 thereon and rotatably connected to the center of rotation corresponding to the center hole of rotation through a bearing or a cutter. The outer end of the second rod body 72 of the bump rod 7 and one end of the auxiliary transmission connecting rod 24 are commonly pin-jointed on an arc-shaped limit groove 231 on the hollow bracket 23 corresponding to the outer end of the second rod body; the other end of the auxiliary transmission link 24 is hinged with the corresponding folding link 22.
In some preferred embodiments, the angle between the first rod 71 and the second rod 72 of the striker 7 is obtuse, so as to facilitate better force transmission.
In this embodiment, specifically, as shown in fig. 1 and 2, the outer end of the first rod 71 of the bump rod 7 is further provided with a first auxiliary roller 73. The structure is not only beneficial to buffering impact, so that folding and storage are smoother and more natural, but also plays a role in rolling assistance and stress support for the folding and storage of the foldable movable supporting legs when the foldable movable supporting legs are forced forward on the tipping bucket platform of the engineering truck.
In this embodiment 1, the hollow stent 23 is a Y-shaped hollow stent. Wherein, the part of the Y-shaped hollow bracket is also extended outwards to be used for installing other parts such as an auxiliary wheel 4.
In particular, in this embodiment 1, as shown in fig. 1 and 3, the foldable mobile support leg 1 further includes a leg shield 2 fixed to the mobile support leg body; the lower end of the leg guard 2 is also provided with a second auxiliary roller 31. The leg guard in the structure is helpful for buffering impact and prolonging the service life of the supporting leg; the second auxiliary roller 31 arranged at the lower end of the leg guard 2 plays a role in rolling assistance and stress support assistance when being pushed forward by the stress on the tipping bucket platform of the engineering truck in the folding and storage process of the foldable movable supporting leg.
As shown in fig. 1 and 3, in particular, in the application of this embodiment 1, an auxiliary wheel 4 is further provided on the hollow bracket 23 of the retractable movable supporting leg 1 mounted on the leftmost row (one row of 2 is one pair) of the main frame 9 of the cable manhole cover opening device. Each auxiliary wheel 4 is mounted by means of bearings on the extension of its corresponding hollow support 23.
Example 2: the structure of the foldable movable supporting leg for the cable manhole cover opening device provided in embodiment 1 is basically the same as that of the foldable movable supporting leg, and the same points are not described again, except that:
in this embodiment 2, each of the Y-shaped hollow brackets is extended outwardly with an extension for mounting other components such as the auxiliary wheel 4.
As shown in fig. 4, 5 and 6 (in which, for clarity of illustration of the structural configuration and state of the folding and storage, fig. 6 is a special illustration of the auxiliary wheels provided on the hollow brackets of the foldable mobile support legs located in the middle, as compared with fig. 5), in particular, in the application of this embodiment 2, the auxiliary wheels 4 are provided on the hollow brackets 23 of all (leftmost pair and middle pair) of the foldable mobile support legs 1 mounted on the main frame 9 of the cable manhole cover opening device. Each auxiliary wheel 4 is mounted by means of bearings on the extension of its corresponding hollow support 23.
Taking the above embodiment as an example, the working principle/working flow of the foldable mobile support leg provided by the above embodiment when used for the cable well cover opening device is as follows:
when the cable well cover opening and covering device applying the foldable movable supporting leg needs to be stored, the cable well cover opening and covering device is pushed to the engineering vehicle, a group of foldable movable supporting legs 1 at the leftmost side of the cable well cover opening and covering device firstly touch/strike the tipping platform of the engineering vehicle, and under the action of the striking force, the first gas springs 5 are closed and pull the folding connecting rods 22 to fold, so that the movable supporting legs 1 are automatically stored to the bottom of the main frame 9, and the corresponding foldable movable supporting legs can be stored. Further, the cable well lid opening device is pushed continuously, the cable well lid opening device can roll forwards under the force of the auxiliary wheel 4 on the tipping bucket platform of the engineering truck, so that the gravity center of the cable well lid opening device moves forwards continuously, and the cable well lid opening device is matched with other movable supporting legs or other parts to be gradually stored at the bottom of the main frame 9, so that the whole storage of the device is completed.
Further, it may also be: the cable well cover opening and covering device is pushed to the engineering truck, the collision rod 7 on the leftmost group of foldable movable supporting legs 1 is firstly touched/impacted to the tipping platform of the engineering truck, the collision rod 7 drives the auxiliary transmission connecting rod 24 to rotate around the rotation center in the arc-shaped limiting groove 231 under the action of impact force, the first gas spring 5 is closed, and the first gas spring 5 and the auxiliary transmission connecting rod 24 jointly pull the folding connecting rod 22 to fold, so that the movable supporting legs 1 are automatically stored to the bottom of the main frame 9 more quickly and smoothly, and storage of corresponding foldable movable supporting legs can be completed.
Conversely, when the cable well lid opening and covering device is dismounted and unfolded, and when the movable supporting leg 1 is in a vacated state and the corresponding auxiliary wheel 4 is still put on the engineering truck, the first gas spring 5 is opened to match the folding connecting rod 22 so as to straighten the movable supporting leg 1, and the first supporting wheel 3 on the movable supporting leg 1 is matched to be pulled outwards so as to land, so that the foldable movable supporting leg of the cable well lid opening and covering device can be in an unfolded and landed state.
The first support wheel may also be referred to herein as a mobile support wheel. The "/" herein indicates or. The cable well cover opening device can also be called a cable well cover lifting device or simply called a cable well cover lifting/opening device.
The utility model protects the shape, structure and/or structure of the foldable movable supporting leg for the cable manhole cover opening device, the implementation list is not limited to the utility model, and related workers can make various changes and modifications within the scope of the utility model without departing from the technical idea of the utility model.
Claims (10)
1. A can expand receipts formula and remove supporting leg for cable well lid opens and covers device which characterized in that:
the foldable movable supporting leg (1) comprises a movable supporting leg body, a first gas spring (5), a folding connecting rod (22) and a first supporting wheel (3) arranged at the lower part of the movable supporting leg body;
one end of the folding connecting rod (22) is hinged with the main frame (9) of the cable manhole cover opening device, and the other end of the folding connecting rod is hinged with the movable supporting leg body; one end of the first gas spring (5) is hinged with a main frame (9) of the cable manhole cover opening device, and the other end of the first gas spring is hinged with a folding connecting rod (22).
2. The retractable mobile support leg for a cable manhole cover opener of claim 1, wherein: the movable supporting leg body of the foldable movable supporting leg (1) is hinged with the main frame (9) of the cable well cover opening device.
3. The retractable mobile support leg for a cable manhole cover opener of claim 1, wherein: the first gas spring (5) is a controllable gas spring with a switch.
4. The retractable mobile support leg for a cable manhole cover opener of claim 1, wherein: the other end of the first gas spring (5) is hinged with a part of the folding connecting rod (22) adjacent to the folding part.
5. The retractable mobile support leg for a cable manhole cover opener of claim 1, wherein: the movable support leg also comprises a hollow bracket (23) for installing the movable support leg body; the hollow bracket (23) is fixedly arranged on the main frame (9) of the cable well cover opening and covering device;
the hollow bracket (23) is provided with a rotation center hole site (230) corresponding to the rotation center of the movable supporting leg body relative to the main frame (9).
6. The extendable and retractable mobile support leg for a cable manhole cover opener of claim 5, wherein: an arc-shaped limit groove (231) taking the rotation center hole position of the hollow bracket (23) as a circle center is also formed in the hollow bracket; the foldable movable supporting leg (1) further comprises a bump rod (7) and an auxiliary transmission connecting rod (24);
the bumper (7) comprises a bumper central hole (70), and a first rod body (71) and a second rod body (72) which extend outwards relative to the bumper central hole (70);
the bump rod (7) is aligned with the gap pin joint on the rotation center corresponding to the rotation center hole through the bump rod center hole (70) and the rotation center hole on the hollow bracket (23) corresponding to the bump rod center hole;
the outer end of the second rod body (72) of the bump rod (7) and one end of the auxiliary transmission connecting rod (24) are jointly pin-jointed on an arc-shaped limit groove (231) on the hollow bracket (23) corresponding to the bump rod; the other end of the auxiliary transmission connecting rod (24) is hinged with the corresponding folding connecting rod (22).
7. The extendable and retractable mobile support leg for a cable manhole cover opener of claim 6, wherein: the included angle between the first rod body (71) and the second rod body (72) of the collision rod (7) is an obtuse angle; and/or
The outer end of a first rod body (71) of the touch rod (7) is provided with a first auxiliary roller (73).
8. The extendable and retractable mobile support leg for a cable manhole cover opener of claim 5, wherein: the hollow bracket (23) is a Y-shaped hollow bracket.
9. The retractable mobile support leg for a cable manhole cover opener of claim 8, wherein: an auxiliary wheel (4) is also arranged on the hollow bracket (23) of the foldable movable supporting leg (1);
the Y-shaped hollow bracket is also provided with an extending part for installing an auxiliary wheel (4) in an outward extending way.
10. The retractable mobile support leg for a cable manhole cover opener of claim 1, wherein: the foldable movable supporting leg (1) further comprises a leg guard plate (2) fixed on the movable supporting leg body; the lower end of the leg guard (2) is also provided with a second auxiliary roller (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320313474.6U CN219363202U (en) | 2023-02-25 | 2023-02-25 | Foldable movable supporting leg for cable well cover opening and covering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320313474.6U CN219363202U (en) | 2023-02-25 | 2023-02-25 | Foldable movable supporting leg for cable well cover opening and covering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219363202U true CN219363202U (en) | 2023-07-18 |
Family
ID=87117842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320313474.6U Active CN219363202U (en) | 2023-02-25 | 2023-02-25 | Foldable movable supporting leg for cable well cover opening and covering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219363202U (en) |
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2023
- 2023-02-25 CN CN202320313474.6U patent/CN219363202U/en active Active
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