CN214505366U - Grounding operation protection device - Google Patents
Grounding operation protection device Download PDFInfo
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- CN214505366U CN214505366U CN202120881225.8U CN202120881225U CN214505366U CN 214505366 U CN214505366 U CN 214505366U CN 202120881225 U CN202120881225 U CN 202120881225U CN 214505366 U CN214505366 U CN 214505366U
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- protection device
- ground connection
- shutting
- load mechanism
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Abstract
The utility model discloses a ground connection operation protection device in load mechanism earthing device field, including ground connection protection device and operating handle, ground connection protection device installs on load mechanism, the last ground connection operation axle that is equipped with of load mechanism, ground connection protection device installs the next door at ground connection operation axle, ground connection protection device includes ground connection shutting mounting panel, latching coil and coil iron core, ground connection shutting mounting panel is connected with load mechanism, latching coil installs in other one side of ground connection shutting mounting panel, the coil iron core is installed in latching coil, this device is only when load mechanism is in the separating brake state, operating handle can insert the rotatory back messenger load mechanism ground connection of ground connection operation axle, thereby the protection personnel maintain and overhaul safety, just so can eliminate the potential safety hazard.
Description
Technical Field
The utility model relates to a load mechanism earthing device field specifically is an earthing operation protection device.
Background
In the maintenance and repair of the load mechanism, the mechanism needs to be grounded, and the load mechanism is in operation and cannot be grounded. Otherwise, safety accidents and casualties can be caused, and the prior conforming mechanism is not provided with a protection device on the grounding device, so that the grounding device can still be operated during the work of the conforming mechanism, and the safety of the prior grounding device is reduced.
Therefore, a grounding operation protection device is designed to prevent an accident caused by the grounding of a load mechanism operated by an operator by mistake, so as to solve the problems in the background art.
Disclosure of Invention
An object of the utility model is to provide a ground connection operation protection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a ground connection operation protection device, includes ground connection protection device and operating handle, ground connection protection device installs on load mechanism, the last ground connection operation axle that is equipped with of load mechanism, ground connection protection device installs the next door at ground connection operation axle, slidable mounting has operating handle on the ground connection operation axle, ground connection protection device includes ground connection shutting mounting panel, latching coil and coil iron core, ground connection shutting mounting panel is connected with load mechanism, and latching coil installs in the other one side of ground connection shutting mounting panel, the coil iron core is installed in latching coil.
As a further aspect of the present invention: the shape of the opening below the operating handle is the same as the shape and the size of the cross section of the grounding operating shaft, and the grounding operating rod can be rotated only when the operating handle is sleeved outside the grounding operating rod.
As a further aspect of the present invention: the power-on switch of the locking coil is linked with the power-on switch of the load mechanism, when the power-on switch of the load mechanism is in a closing state, the power-on switch of the locking coil is in an opening state, and when the power-on switch of the composite mechanism is in the opening state, the power-on switch of the locking coil is in the closing state.
As a further aspect of the present invention: the cross section of the grounding locking mounting plate is L-shaped, the horizontal end face of the grounding locking mounting plate is fixedly connected with the load mechanism through a bolt, the locking coil is fixedly connected with the vertical end face of the grounding locking mounting plate through a screw, and the locking coil is mounted on the load mechanism through the grounding locking mounting plate.
As a further aspect of the present invention: the locking coil is provided with an iron core slide hole and an iron core accommodating groove in the middle, the diameter of the right part of the coil iron core is larger than that of the left part of the coil iron core, the left part of the coil iron core is slidably mounted in the iron core slide hole, the right part of the coil iron core is slidably mounted in the iron core accommodating groove, and when the locking coil is in a power-on state, the coil iron core can be sucked into the iron core accommodating groove by the locking coil, so that the coil iron core does not block the operating handle any more.
As a further aspect of the present invention: and the left end of the coil iron core is in threaded connection with a limiting nut to limit the displacement of the coil iron core.
As a further aspect of the present invention: the utility model discloses a coil iron core, including coil iron core, ring, spring, locking coil, spring, coil iron core left end has the ring through limit nut fixed mounting, the one end fixed mounting of ring towards locking coil has the spring, the one end and the locking coil fixed connection of ring are kept away from to the spring, the spring is extension spring, and when locking coil circular telegram, coil iron core can shift left, and at this moment the spring will be stretched, then after locking coil outage, the spring can promote coil iron core right, makes coil iron core reset.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
the coil iron core is installed in the locking coil, then the power-on switch of the locking coil is linked with the power-on switch of the load mechanism, when the power-on switch of the load mechanism is in a closing state, the power-on switch of the locking coil is in a switching-off state, the locking coil is not powered, the coil iron core is in an extending state, the coil iron core blocks the operating handle, the operating handle cannot be inserted into the grounding operating shaft, and therefore misoperation of protection personnel is achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the ground protection device of the present invention;
FIG. 3 is a schematic structural view of the operating handle of the present invention;
fig. 4 is a schematic cross-sectional view of the latching coil according to the present invention.
In the figure: 1-operating handle, 2-load mechanism, 3-grounding operating shaft, 4-grounding locking mounting plate, 5-locking coil, 6-coil iron core, 7-bolt, 8-screw, 9-iron core sliding hole, 10-iron core accommodating groove, 11-ring and 12-spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-4, in the embodiment of the present invention, an earthing operation protection device, including earthing protection device and operating handle 1, the earthing protection device is installed on load mechanism 2, the load mechanism 2 is equipped with earthing operation shaft 3, the earthing protection device is installed on the next door of earthing operation shaft 3, the earthing protection device includes earthing shutting mounting panel 4, shutting coil 5 and coil core 6, earthing shutting mounting panel 4 is connected with load mechanism 2, shutting coil 5 is installed in the other one side of earthing shutting mounting panel 4, coil core 6 is installed in shutting coil 5.
In this embodiment, the shape of the opening below the operating handle 1 is the same as the shape and size of the cross section of the grounding operating shaft 3, and the grounding operating rod can only be rotated when the operating handle 1 is sleeved outside the grounding operating rod.
In this embodiment, the energizing switch of the locking coil 5 is linked with the energizing switch of the load mechanism 2, and when the energizing switch of the load mechanism 2 is in the closed state, the energizing switch of the locking coil 5 is in the open state, and when the energizing switch of the composite mechanism is in the open state, the energizing switch of the locking coil 5 is in the closed state.
In this embodiment, the cross section of the grounding locking mounting plate 4 is L-shaped, the horizontal end surface of the grounding locking mounting plate 4 is fixedly connected with the load mechanism 2 through a bolt 7, the locking coil 5 is fixedly connected with the vertical end surface of the grounding locking mounting plate 4 through a screw 8, and the locking coil 5 is mounted on the load mechanism 2 through the grounding locking mounting plate 4.
In this embodiment, an iron core sliding hole 9 and an iron core accommodating groove 10 are formed in the middle of the locking coil 5, the diameter of the right part of the coil iron core 6 is larger than that of the left part, the left part of the coil iron core 6 is slidably mounted in the iron core sliding hole 9, the right part of the coil iron core 6 is slidably mounted in the iron core accommodating groove 10, when the locking coil 5 is in a power-on state, the coil iron core 6 can be sucked into the iron core accommodating groove 10 by the locking coil 5, and thus the coil iron core 6 does not block the operating handle 1 any more.
In this embodiment, the left end of the coil core 6 is connected with a limit nut through a thread, so as to limit the displacement of the coil core 6.
In this embodiment, 6 left ends of coil core have ring 11 through stop nut fixed mounting, ring 11 has spring 12 towards the one end fixed mounting of locking coil 5, the one end and locking coil 5 fixed connection of ring 11 are kept away from to spring 12, spring 12 is extension spring 12, when locking coil 5 circular telegram, coil core 6 can be the displacement left, at this moment spring 12 will be stretched, then after locking coil 5 outage, spring 12 can promote coil core 6 right, make coil core 6 reset.
The utility model discloses a theory of operation is:
when the power-on switch of the load mechanism 2 is in a closing state, the power-on switch of the locking coil 5 is in a closing state, the locking coil 5 is not powered on, the coil iron core 6 is in an extending state, and the coil iron core 6 blocks the operating handle 1, so that the operating handle 1 cannot be inserted into the grounding operating shaft 3, and misoperation of a worker is protected; when the power-on switch of the load mechanism 2 is in a switching-off state, the power-on switch of the locking coil 5 is in a switching-on state, the locking coil 5 is powered on, the adsorption coil iron core 6 is withdrawn into the iron core accommodating groove 10, the spring 12 is stretched, the coil iron core 6 avoids the operating handle 1 of the load mechanism 2, at this time, a worker can insert the operating handle 1 into the grounding operating shaft 3, then the grounding operating shaft 3 is rotated to enable the load mechanism 2 to be grounded, and the safety of subsequent maintenance and overhaul personnel is protected.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A ground operation protection device, includes ground protection device and operating handle (1), its characterized in that: the ground protection device is installed on load mechanism (2), be equipped with ground connection operation axle (3) on load mechanism (2), ground protection device installs the next door at ground connection operation axle (3), ground protection device includes ground connection shutting mounting panel (4), shutting coil (5) and coil core (6), ground connection shutting mounting panel (4) are connected with load mechanism (2), and shutting coil (5) are installed in ground connection shutting mounting panel (4) one side in addition, install in shutting coil (5) coil core (6).
2. An earth operation protection device according to claim 1, characterized in that: the shape of the opening below the operating handle (1) is the same as the shape and the size of the cross section of the grounding operating shaft (3).
3. An earth operation protection device according to claim 1, characterized in that: the power switch of the locking coil (5) is linked with the power switch of the load mechanism (2).
4. An earth operation protection device according to claim 1, characterized in that: the cross section of the grounding locking mounting plate (4) is L-shaped, the horizontal end face of the grounding locking mounting plate (4) is fixedly connected with the load mechanism (2) through a bolt (7), and the locking coil (5) is fixedly connected with the vertical end face of the grounding locking mounting plate (4) through a screw (8).
5. An earth operation protection device according to claim 1, characterized in that: iron core slide opening (9) and iron core storage groove (10) have been seted up in the middle of shutting coil (5), the right part diameter of coil core (6) is greater than the left part diameter, and the left part slidable mounting of coil core (6) is in iron core slide opening (9), and the right part slidable mounting of coil core (6) is in iron core storage groove (10).
6. An earth operation protection device according to claim 1, characterized in that: and the left end of the coil iron core (6) is in threaded connection with a limit nut.
7. An earth operation protection device according to claim 1, characterized in that: coil core (6) left end has ring (11) through stop nut fixed mounting, ring (11) have spring (12) towards the one end fixed mounting of shutting coil (5), the one end and shutting coil (5) fixed connection of ring (11) are kept away from in spring (12), spring (12) are extension spring (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120881225.8U CN214505366U (en) | 2021-04-26 | 2021-04-26 | Grounding operation protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120881225.8U CN214505366U (en) | 2021-04-26 | 2021-04-26 | Grounding operation protection device |
Publications (1)
Publication Number | Publication Date |
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CN214505366U true CN214505366U (en) | 2021-10-26 |
Family
ID=78204082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120881225.8U Active CN214505366U (en) | 2021-04-26 | 2021-04-26 | Grounding operation protection device |
Country Status (1)
Country | Link |
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CN (1) | CN214505366U (en) |
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2021
- 2021-04-26 CN CN202120881225.8U patent/CN214505366U/en active Active
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