CN213269372U - Isolation locking device - Google Patents

Abstract

The utility model provides an keep apart blocking device. An isolation lockout device comprising: the locking mechanism comprises an isolation panel, a locking shaft, a locking seat and a limiting mechanism; the isolation panel is used for shielding equipment to be isolated on the protective power equipment; the first end of the locking shaft is connected with the isolation panel, and the second end of the locking shaft is connected with the locking seat; the locking seat can be fixedly arranged on the power equipment and is provided with a connecting part for the locking shaft to extend into, and the part of the second end of the locking shaft extending into the connecting part is provided with a locking part; the limiting mechanism is movably connected with the locking seat, and the limiting end of the limiting mechanism can enter the locking part to lock the locking shaft and the locking seat and limit the locking shaft to be separated from the connecting part. The utility model provides a poor performance, unreliable problem that isolation blocking device exists among the prior art.

Description

Isolation locking device

Technical Field

The utility model relates to a power equipment's isolation shutting technical field particularly, relates to an isolation shutting device.

Background

In the operation of power equipment in a transformer substation, a display operation mechanism, a change-over switch, an operation button and an operation hole of a protection device or a measurement and control device on an existing switch cabinet or a protection and automation cabinet need to be isolated and locked due to the consideration of anti-misoperation safety, and the display operation mechanism, the change-over switch, the operation button and the operation hole are used for preventing accidents caused by misoperation. However, the existing isolation locking device is used for locking a single device and also used for locking an integral device, the whole isolation locking device is usually installed on a switch cabinet or a protection and automation cabinet, the isolation locking device is in an undetachable state after being installed and fixed, and when the isolation locking is not needed, the operation of electric power equipment is very inconvenient, and even the isolation locking device interferes with the normal equipment operation. In addition, the existing isolation locking device has the following problems: the locking of single equipment has the technical problems of large quantity of requirements, uncoordinated locking positions and the like; the whole locking equipment adopts an integral fixing mode, the switch cabinet or the protection and automation cabinet covers a plurality of or all switch cabinets or the operation equipment on the protection and automation cabinet, the influence on part of operation equipment which is not required to be locked in an isolation mode is caused, and the normal equipment operation is seriously influenced.

Therefore, based on the above situation, the isolation locking device in the prior art has the problems of poor performance and unreliability, and cannot realize effective isolation locking, so that the switch cabinet, the protection and the automation cabinet (screen) have electric power safety risks and hidden dangers.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an isolation locking device to solve the problems of poor performance and unreliability of the isolation locking device in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided an isolation locking device, comprising: the locking mechanism comprises an isolation panel, a locking shaft, a locking seat and a limiting mechanism; the isolation panel is used for shielding equipment to be isolated on the protective power equipment; the first end of the locking shaft is connected with the isolation panel, and the second end of the locking shaft is connected with the locking seat; the locking seat can be fixedly arranged on the power equipment and is provided with a connecting part for the locking shaft to extend into, and the part of the second end of the locking shaft extending into the connecting part is provided with a locking part; the limiting mechanism is movably connected with the locking seat, and the limiting end of the limiting mechanism can enter the locking part to lock the locking shaft and the locking seat and limit the locking shaft to be separated from the connecting part.

Furthermore, the locking shaft and the locking seat are detachably arranged in a plugging mode, so that the locking shaft extends into or withdraws from the connecting part.

Further, the cross section of the second end of the locking shaft is one of an ellipse, a polygon, an arc line and a straight line, and is used for limiting the axial rotation freedom degree of the locking shaft.

Further, the locking part is a locking groove and/or a locking hole, and the locking groove and/or the locking hole are/is arranged on the side wall of the locking shaft.

Further, the number of the locking grooves and/or the locking holes is multiple, and the multiple locking grooves and/or the multiple locking holes are arranged at intervals along the axial direction of the locking shaft.

Further, the inlet end of the connecting part is provided with a stopping part, the periphery of the locking shaft is provided with an abutting part, and the locking shaft is inserted into the connecting part so that the abutting part abuts against the stopping part.

Further, the stopper is a stopper step surface, and the abutting portion is a stopper flange.

Furthermore, the limiting mechanism is in pivot connection or sliding connection with the locking seat, so that the limiting mechanism has a first position and a second position; when the locking shaft is in the first position, the limiting end of the limiting mechanism can enter the locking part to lock the locking shaft and the locking seat; when the locking shaft is in the second position, the limiting end of the limiting mechanism is separated from the locking part, and the locking shaft and the locking seat are unlocked.

Further, the locking seat is provided with a locking assembly for locking the limiting mechanism.

Furthermore, the locking assembly is a fixed lock, the fixed lock and the locking seat are designed into an integral structure, and the fixed lock and the limiting mechanism are provided with locking limiting connecting positions.

Furthermore, the limiting mechanism is a bolt mechanism of the fixed lock, and a bolt end part of the bolt mechanism can enter the locking part to lock the locking shaft.

Furthermore, the limiting mechanism is provided with a locking end matched with the spring bolt mechanism of the fixed lock, and the spring bolt mechanism extends into the locking end and locks the limiting mechanism, so that the limiting end of the limiting mechanism is positioned at the locking position of the locking part.

Further, the locking assembly is a padlock, the locking seat and/or the limiting mechanism are/is provided with a locking hole, and the padlock locks the limiting mechanism through the locking hole, so that the limiting end of the limiting mechanism is located at the locking position of the locking part.

Further, the latch seat includes: the seat body is provided with a connecting part; the locking plate is fixed on the base and provided with a first locking hole, the limiting mechanism is provided with a second locking hole and is in pivot connection with the base, and after the limiting end of the limiting mechanism is inserted into the locking part, the first locking hole is aligned with the second locking hole.

Furthermore, the number of the locking plates is two, the two locking plates are arranged at intervals to form a movable gap, and the limiting mechanism is positioned in the movable gap.

Furthermore, the limiting mechanism is plate-shaped and is provided with an operation shifting sheet.

Further, the power equipment also comprises one or more support connectors for supporting between the power equipment and the isolation panel.

Further, at least one corner of the isolation panel is provided with at least one supporting connecting piece, and the supporting connecting piece can be fixed on the power equipment in an absorption mode.

Further, the supporting and connecting piece is a magnetic piece, or the supporting and connecting piece is provided with a magnetic piece.

Further, the support connector has a height adjustment portion by which a distance between the isolation panel and the power device is adjusted to fit a height of the device to be isolated.

Further, the supporting connecting piece comprises at least two connecting sections which are connected with each other, and the connecting position of the two connecting sections is adjusted by the fastening piece so as to realize the height adjustment of the supporting connecting piece.

Further, at least one connecting section is provided with a sliding long hole, and the fastener penetrates through the other connecting section and the sliding long hole to connect the two adjacent connecting sections.

Further, the partition panel includes at least a front panel and a side wall plate on at least one side of the front panel, and the latch shaft is connected to the side wall plate.

Further, the side wall plate is provided with a fixed adjusting part, and the fixed adjusting part is connected with the locking shaft in a position-adjustable manner and used for adjusting the distance between the front panel and the power equipment so as to adapt to the height of the equipment to be isolated.

Furthermore, the fixed adjusting part is a plurality of rows of fixed mounting holes arranged at intervals along the direction vertical to the front panel, and the locking shaft is provided with fixed mounting pieces corresponding to the fixed mounting holes.

Further, the insulation panel is of a transparent material.

Furthermore, the locking seat is fixedly arranged on the power equipment in a magnetic suction, gluing or sucking disc mode.

Furthermore, the power equipment comprises a switch cabinet and a protection and automation cabinet, and the equipment to be isolated is an electric operating mechanism which can be shielded and protected by an isolation panel on the switch cabinet or the protection and automation cabinet.

Further, the electric operating mechanism comprises one or more of a display operating mechanism, a change-over switch, an operating button and an operating hole of the protection device or the measurement and control device, wherein the display operating mechanism of the protection device or the measurement and control device comprises a display operating button and/or a touch operating screen.

Further, the isolation panel can shield and protect more than two types or more than two types of electric operating mechanisms at the same time.

Use the technical scheme of the utility model, keep apart blocking device and include: the locking mechanism comprises an isolation panel, a locking shaft, a locking seat and a limiting mechanism; the isolation panel is used for shielding equipment to be isolated on the protective power equipment; the first end of the locking shaft is connected with the isolation panel, and the second end of the locking shaft is connected with the locking seat; the locking seat can be fixedly arranged on the power equipment and is provided with a connecting part for the locking shaft to extend into, and the part of the second end of the locking shaft extending into the connecting part is provided with a locking part; the limiting mechanism is movably connected with the locking seat, and the limiting end of the limiting mechanism can enter the locking part to lock the locking shaft and the locking seat and limit the locking shaft to be separated from the connecting part.

When the isolation locking device with the structure is used, the partition panel is arranged, so that the isolation protection can be performed on the isolation equipment to be isolated through the isolation panel, and the misoperation of the isolation equipment to be isolated by an operator is prevented. And because the isolation locking device also comprises the locking shaft and the limiting mechanism, the second end of the locking shaft can be limited in the connecting part through the mutual matching of the locking shaft and the limiting mechanism, or the second end of the locking shaft is separated from the connecting part after the limiting mechanism is contacted to lock the locking shaft and the locking seat, so that the isolation panel releases the isolation protection of the equipment to be isolated, and the equipment to be isolated can be operated.

The utility model discloses keep apart blocking device adopts "insert flag formula" components of a whole that can function independently structural design for the shutting panel is dismantled and assembled to be fixed on the shutting seat, can select to correspond suitable isolation panel according to the size and the position of treating isolation equipment, makes to keep apart blocking device to the cubical switchboard and protect and the various strong adaptability of treating isolation equipment on the automatic rack. When electrical equipment need not keep apart the shutting, will keep apart the panel and dismantle from the shutting seat and extract, the shutting seat is fixed on the position that does not influence power equipment operation, consequently, the utility model discloses keep apart the shutting device and can not disturb and influence normal equipment operation, solved the poor performance of current isolation shutting device existence, unreliable problem.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural view of an isolation lockout device according to an embodiment of the present invention; and

fig. 2 shows a schematic view of the spacing mechanism of the isolation locking device of the present application when locked by the locking assembly.

Wherein the figures include the following reference numerals:

10. an insulation panel; 11. fixing the mounting hole; 20. a support link; 30. a latching shaft; 31. a latch; 32. an abutting portion; 40. a locking seat; 41. a connecting portion; 411. a stopper portion; 42. a base body; 43. a locking plate; 431. a first lock hole; 50. a limiting mechanism; 51. a second lock hole; 60. a latch assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, 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.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the poor performance, unreliable problem that isolation locking device exists among the prior art, this application provides an isolation locking device.

As shown in fig. 1 and 2, the isolation locking device in the present application includes: the device comprises an isolation panel 10, a locking shaft 30, a locking seat 40 and a limiting mechanism 50; the isolation panel 10 is used for shielding equipment to be isolated on the protective power equipment; a first end of the latching shaft 30 is connected with the insulation panel 10, and a second end of the latching shaft 30 is connected with the latching seat 40; the locking seat 40 can be fixedly arranged on the power equipment, the locking seat 40 is provided with a connecting part 41 into which the locking shaft 30 extends, and the part of the second end of the locking shaft 30 extending into the connecting part 41 is provided with a locking part 31; the limiting mechanism 50 is movably connected with the locking seat 40, and a limiting end of the limiting mechanism 50 can enter the locking part 31 to lock the locking shaft 30 and the locking seat 40, so as to limit the locking shaft 30 to be separated from the connecting part 41.

When the isolation locking device with the structure is used, the partition panel is arranged, so that the isolation panel 10 can be used for isolating and protecting the equipment to be isolated, and misoperation of the equipment to be isolated by an operator can be prevented. And because the isolation locking device also comprises the locking shaft 30 and the limiting mechanism 50, the second end of the locking shaft 30 can be limited in the connecting part 41 through the mutual matching of the locking shaft 30 and the limiting mechanism 50, or after the limiting mechanism 50 contacts and locks the locking shaft 30 and the locking seat 40, the second end of the locking shaft 30 is separated from the connecting part 41, so that the isolation panel 10 releases the isolation protection of the equipment to be isolated, and the equipment to be isolated can be operated.

Alternatively, the locking shaft 30 is removably inserted into and removed from the locking seat 40, so that the locking shaft 30 extends into and retracts from the connecting portion 41. That is, the second end of the locking shaft 30 in this application can be separated from the locking seat 40, and when it is required to use the isolation locking device to perform isolation protection on the device to be isolated, after the isolation panel 10 is covered on the device to be isolated, the second end of the locking shaft 30 is inserted into the locking seat 40, and the locking shaft 30 is locked with the locking seat 40 under the limiting action of the limiting mechanism 50, so as to implement isolation protection on the device to be isolated.

In one embodiment of the present application, the cross-section of the second end of the locking shaft 30 is one of an ellipse, a polygon, a combination of an arc and a straight line, for limiting the freedom of axial rotation of the locking shaft 30.

Alternatively, the latching portion 31 is a latching groove and/or a latching hole provided on a sidewall of the latching shaft 30. With this arrangement, after the stopper structure enters the latching groove or the latching hole, it is possible to effectively restrict the rotation of the latching shaft 30 or to restrict the second end of the latching shaft 30 from coming out of the connecting portion 41.

Preferably, the number of the latching grooves and/or the latching holes is plural, and the plural latching grooves and/or the latching holes are provided at intervals in the axial direction of the latching shaft 30.

In one embodiment of the present application, the inlet end of the connecting portion 41 has a stopper 411, the outer circumference of the latching shaft 30 has an abutting portion 32, and the latching shaft 30 is inserted into the connecting portion 41 such that the abutting portion 32 abuts against the stopper 411. By this arrangement, the depth of insertion of the latching shaft 30 into the connecting portion 41 can be effectively limited.

Preferably, the stopper 411 is a stopper step surface, and the abutment portion 32 is a stopper flange.

Optionally, the limiting mechanism 50 is pivotally or slidably connected to the latch base 40, such that the limiting mechanism 50 has a first position and a second position; in the first position, the limit end of the limit mechanism 50 can enter into the latch 31 to lock the latch shaft 30 with the latch base 40; in the second position, the stopper end of the stopper mechanism 50 is disengaged from the lock portion 31, and the lock shaft 30 is unlocked from the lock holder 40. In one embodiment of the present application, the spacing mechanism 50 is pivotally connected to the latch base 40.

In the present application, the latch housing 40 is provided with a latch assembly 60 for locking the spacing mechanism 50. When the limiting mechanism 50 is located at the first position and locks the locking shaft 30 and the locking seat 40, the device to be isolated is located under the isolation protection effect of the isolation locking device, and the locking component 60 is arranged to lock the limiting mechanism 50, so that the limiting mechanism 50 cannot be switched from the first position to the second position under the locked condition, and further, it can be effectively ensured that the isolation locking device cannot be taken down from the device to be isolated when an operator does not obtain the unlocking right of the locking component 60, and further, the device to be isolated cannot be operated.

Optionally, the locking assembly 60 is a fixed lock, the fixed lock is integrally designed with the locking seat 40, and the fixed lock and the limiting mechanism 50 have a locking limiting connection position.

Alternatively, the limit mechanism 50 is a latch mechanism of a fixed lock, the tongue end of which can enter into the latch 31 to lock the latch shaft 30.

Optionally, the limiting mechanism 50 has a latching end that cooperates with a latch mechanism of the dead lock, which extends into the latching end and locks the limiting mechanism 50 such that the limiting end of the limiting mechanism 50 is in a locked position against the latch 31.

In one embodiment of the present application, the latch component 60 is a padlock, and the latch base 40 and/or the limiting mechanism 50 has a latch hole through which the padlock locks the limiting mechanism 50 such that the limiting end of the limiting mechanism 50 is in the locked position to the latch portion 31.

In one embodiment of the present application, the latch housing 40 includes a housing 42 and a locking plate 43. The seat body 42 has a connecting portion 41; the locking plate 43 is fixed on the base 42 and has a first locking hole 431, the limiting mechanism 50 has a second locking hole 51 and is pivotally connected to the base 42, and after the limiting end of the limiting mechanism 50 is inserted into the locking portion 31, the first locking hole 431 is aligned with the second locking hole 51. With this arrangement, after the locking shaft 30 and the locking seat 40 are locked by the limiting mechanism 50, the locking assembly 60 can pass through the first locking hole 431 and the second locking hole 51 to lock the limiting mechanism 50, so that the limiting mechanism 50 cannot be switched from the first position to the second position.

Preferably, there are two locking plates 43, the two locking plates 43 are spaced apart and form a movable gap, and the limiting mechanism 50 is located in the movable gap. By this arrangement, the movement direction of the limiting mechanism 50 can be limited by the play, so that the limiting mechanism 50 can be more easily inserted into the locking portion 31 of the locking shaft 30 after being switched from the second position to the first position. Also, by so arranging, it is also effectively ensured that the first locking hole 431 can be aligned with the second locking hole 51 when the limiting mechanism 50 is in the first position.

In one embodiment of the present application, the limiting mechanism 50 is plate-shaped, and the limiting mechanism 50 has an operating paddle. Further, the operation of the stopper mechanism 50 can be further facilitated by providing an operation paddle so that the stopper mechanism 50 can be switched between the first position and the second position.

In the present application, there is also included a support connection 20 for supporting between the electrical equipment and the insulation panel 10, the support connection 20 being one or more. Through setting up like this, not only can play certain supporting role to isolation panel 10 through supporting connector 20, can also play the fixed action to isolation panel 10 through supporting connector 20 to guarantee isolation panel 10 and treat the isolation protection effect of isolation device. Moreover, the distance between the isolation panel 10 and the equipment to be isolated can be prevented from being too small by the arrangement, and the isolation panel 10 is prevented from extruding the equipment to be isolated.

Preferably, at least one corner of the insulation panel 10 is provided with at least one supporting connector 20, and the supporting connector 20 can be fixed on the power equipment in an absorption manner.

Optionally, the support connection 20 is a magnetically attractive element, or the support connection 20 is provided with a magnetically attractive element.

In one embodiment of the application, the support connection 20 has a height adjustment, by means of which the distance between the insulation panel 10 and the electrical equipment is adjusted to fit the height of the equipment to be insulated. By such an arrangement, when the isolation locking device is used for protecting the to-be-isolated equipment, the supporting connecting piece 20 can be adjusted according to different heights of the to-be-isolated equipment, so that the isolation panel 10 can effectively isolate and protect the to-be-isolated equipment.

Preferably, the supporting connection member 20 includes at least two connection sections connected to each other, and the connection position of the two connection sections is adjusted by a fastener to realize the height adjustment of the supporting connection member 20.

Preferably, at least one connecting section is provided with a sliding long hole, and the fastener penetrates through the other connecting section and the sliding long hole to connect the two adjacent connecting sections.

Specifically, the partition panel 10 includes at least a front panel and a side wall plate on at least one side of the front panel, and the latch shaft 30 is connected to the side wall plate.

In a specific embodiment of the present application, the sidewall plate has a plurality of through holes, and the portion of the locking shaft connected to the isolation panel 10 is provided with a plurality of threaded holes corresponding to the through holes, and the isolation panel 10 and the locking shaft are fixed by the cooperation of screws with the threaded holes and the through holes.

In a specific embodiment of the present application, the side wall plate is provided with a fixed adjustment portion, which is connected with the locking shaft 30 in a position adjustable manner for adjusting the distance between the front panel and the electrical equipment to fit the height of the equipment to be isolated.

In one embodiment of the present application, the fixing adjustment portions are a plurality of rows of fixing mounting holes 11 spaced apart in a direction perpendicular to the front panel, and the locking shaft 30 is provided with fixing mounting parts corresponding to the fixing mounting holes.

In particular, the insulation panel 10 is of transparent material. By means of the arrangement, operators can observe the state of the to-be-isolated equipment through the isolation panel 10 conveniently.

In one embodiment of the present application, the locking seat 40 is fixedly mounted on the power device by means of magnetic attraction, adhesion or suction. The magnetic attraction, the gluing or the fixed installation and the operation of the sucker are simple and convenient, and particularly the magnetic attraction and the sucker are installed in two modes.

In one embodiment of the present application, the power equipment includes a switch cabinet and a protection and automation cabinet, and the equipment to be isolated is an electrical operation mechanism on the switch cabinet or the protection and automation cabinet, which can be shielded and protected by the isolation panel 10.

Specifically, the electric operating mechanism comprises one or more of a display operating mechanism, a change-over switch, an operating button and an operating hole of the protection device or the measurement and control device, wherein the display operating mechanism of the protection device or the measurement and control device comprises a display operating button and/or a touch operating screen.

Specifically, the partition panel 10 can shield two or more types or two or more electric operating mechanisms at the same time.

From the above description of the specific embodiments, it can be seen that the above embodiments of the isolation locking device of the present invention achieve the following technical effects:

1. on a switch cabinet or a protection and automation cabinet, a locking seat is arranged to meet the requirement of the isolation and locking of equipment to be isolated on a screen cabinet, and the isolation panel can be repeatedly used in multiple places due to the design of a flag inserting type mechanism.

2. On the switch cabinet or the protection and automation cabinet, the distance between the isolation panel and the switch cabinet or the protection and automation cabinet can be adjusted according to the height of the on-site equipment to be isolated, the isolation locking device is suitable for different types of equipment to be isolated, and the application range of the isolation locking device is wider.

3. The adjusting and supporting connecting piece can be adsorbed on the switch cabinet or the protection and automation cabinet, the fixing adhesive force of the isolation locking device is increased, the acting force of the isolation panel and the locking shaft on the locking seat is reduced, and the isolation locking device is locked and fixed on the switch cabinet or the protection and automation cabinet more stably.

4. When the electrical equipment does not need to be isolated and locked, the isolation panel is detached and pulled out from the locking seat, the locking seat is fixed at a position which does not influence the operation of the electrical equipment, and the isolation locking device does not interfere and influence the operation of the normal equipment.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (30)

1. An isolation lockout device, comprising: the locking mechanism comprises an isolation panel (10), a locking shaft (30), a locking seat (40) and a limiting mechanism (50);

the isolation panel (10) is used for shielding equipment to be isolated on the protective power equipment;

a first end of the locking shaft (30) is connected with the isolation panel (10), and a second end of the locking shaft (30) is connected with the locking seat (40);

the locking seat (40) can be fixedly arranged on the power equipment, the locking seat (40) is provided with a connecting part (41) into which the locking shaft (30) extends, and a part of the second end of the locking shaft (30) extending into the connecting part (41) is provided with a locking part (31);

the limiting mechanism (50) is movably connected with the locking seat (40), and a limiting end of the limiting mechanism (50) can enter the locking part (31) to lock the locking shaft (30) and the locking seat (40) and limit the locking shaft (30) to be separated from the connecting part (41).

2. An isolation locking device according to claim 1, wherein the locking shaft (30) is removably insertable into and removable from the locking seat (40) such that the locking shaft (30) extends into and out of the connecting portion (41).

3. An isolation locking device as claimed in claim 1, wherein the second end of the locking shaft (30) is one of elliptical, polygonal, a combination of curved and straight in cross-section for limiting the freedom of axial rotation of the locking shaft (30).

4. Isolation lock according to claim 1, characterized in that the locking means (31) is a locking groove and/or a locking hole provided on a side wall of the locking shaft (30).

5. The isolation locking device according to claim 4, wherein the number of the locking grooves and/or the locking holes is plural, and plural locking grooves and/or locking holes are provided at intervals in the axial direction of the locking shaft (30).

6. An isolation locking device according to claim 1, characterized in that the inlet end of the connecting part (41) has a stop (411), the outer circumference of the locking shaft (30) has an abutment (32), the locking shaft (30) is inserted into the connecting part (41) such that the abutment (32) abuts at the stop (411).

7. An isolation locking device as claimed in claim 6, wherein the stop (411) is a stop step surface and the abutment (32) is a stop flange.

8. An isolation locking device according to claim 1, wherein the limit mechanism (50) is pivotally or slidably connected to the locking seat (40) such that the limit mechanism (50) has a first position and a second position; when in the first position, a limiting end of the limiting mechanism (50) enters the locking part (31) to lock the locking shaft (30) and the locking seat (40); when the locking shaft is at the second position, the limit end of the limit mechanism (50) is separated from the locking part (31), and the locking shaft (30) and the locking seat (40) are unlocked.

9. An isolation locking device according to claim 1, characterized in that the locking socket (40) is provided with a locking assembly (60) for locking the stop mechanism (50).

10. An isolation locking device as claimed in claim 9, characterized in that the locking assembly (60) is a fixed lock, which is designed as one piece with the locking seat (40) and has a locking limit connection position with the limit mechanism (50).

11. An isolation locking device according to claim 10, characterized in that the limit mechanism (50) is the latch mechanism of the fixed lock, the tongue end of which can enter into the locking section (31) to lock the locking shaft (30).

12. An isolation locking device according to claim 10, wherein the limit mechanism (50) has a locking end which engages with the bolt mechanism of the fixed lock, the bolt mechanism extending into the locking end and locking the limit mechanism (50) such that the limit end of the limit mechanism (50) is in the locked position against the locking portion (31).

13. An isolation locking device according to claim 9, characterized in that the locking component (60) is a padlock, the locking seat (40) and/or the limiting mechanism (50) having a locking hole through which the padlock locks the limiting mechanism (50) such that the limiting end of the limiting mechanism (50) is in the locking position against the locking portion (31).

14. An isolation locking device as claimed in claim 1, characterised in that said locking seat (40) comprises:

a seat body (42), the seat body (42) having the connecting portion (41);

a locking plate (43), locking plate (43) are fixed on pedestal (42) and have first lockhole (431), stop gear (50) have second lockhole (51) and with pedestal (42) pivotal connection, the spacing end of stop gear (50) is inserted behind latch (31), first lockhole (431) with second lockhole (51) align.

15. An isolation locking device as claimed in claim 14, wherein there are two locking plates (43), two locking plates (43) are spaced apart and form a movable gap, and the limiting mechanism (50) is located in the movable gap.

16. An isolation locking device as claimed in claim 14, characterised in that the limiting mechanism (50) is plate-shaped and the limiting mechanism (50) has an operating paddle.

17. An isolation locking device according to claim 1, further comprising a support connection (20) for supporting between the electrical equipment and the isolation panel (10), the support connection (20) being one or more.

18. An isolation locking device according to claim 17, characterized in that at least one of said support connectors (20) is provided at least one corner of the isolation panel (10), said support connector (20) being adapted to be suction-fixed to the electrical equipment.

19. An isolation locking device according to claim 18, characterized in that the support connection (20) is a magnetically attractive element or that the support connection (20) is provided with a magnetically attractive element.

20. An isolation locking device according to claim 17, characterized in that the support connection (20) has a height adjustment by means of which the distance between the isolation panel (10) and the electrical equipment is adjusted to adapt the height of the equipment to be isolated.

21. An isolation locking device according to claim 17, wherein the supporting connector (20) comprises at least two connecting sections connected with each other, and the connecting position of the two adjacent connecting sections is adjusted by a fastener to realize the height adjustment of the supporting connector (20).

22. An isolation latch as claimed in claim 21, wherein at least one of said connecting sections has a slotted slide opening, and said fastener passes through the other of said connecting sections, said slotted slide opening connecting adjacent two of said connecting sections.

23. An isolation latch as claimed in claim 1, characterised in that the isolation panel (10) comprises at least a front panel and a side wall panel on at least one side of the front panel, the latch shaft (30) being connected to the side wall panel.

24. Isolation locking according to claim 23, characterized in that the side wall plate is provided with a fixed adjustment part which is connected position-adjustably with the locking shaft (30) for adjusting the distance between the front panel and the electrical equipment to adapt the height of the equipment to be isolated.

25. An isolation latch as claimed in claim 24, wherein the fixed adjustment portions are a plurality of rows of fixed mounting holes (11) spaced apart in a direction perpendicular to the front panel, and the latch shaft (30) is provided with a fixed mount corresponding to the fixed mounting holes.

26. An isolation locking device as claimed in any one of claims 1 to 25 wherein the isolation panel (10) is of transparent material.

27. An isolation locking device as claimed in any one of claims 1 to 25, wherein the locking socket (40) is fixedly mounted on the electrical equipment by means of magnetic attraction, gluing or suction cups.

28. An isolation locking device according to any one of claims 1 to 25, wherein the electrical equipment comprises a switch cabinet and a protection and automation cabinet, and the equipment to be isolated is an electrical operating mechanism on the switch cabinet or the protection and automation cabinet which can be sheltered by the isolation panel (10).

29. An isolation locking device according to claim 28, wherein the electrical operating mechanism comprises one or more of a display operating mechanism, a selector switch, an operating button and an operating hole of the protection device or the measurement and control device, wherein the display operating mechanism of the protection device or the measurement and control device comprises a display operating button and/or a touch operating screen.

30. An isolation locking device as claimed in claim 28, wherein said isolation panel (10) is capable of shielding two or more types or two or more of said electrically operated mechanisms simultaneously.

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