One-out-of-N interlocking device

Abstract

The utility model relates to the technical field of electric power and electrician, in particular to an N-out-of-one interlocking device which comprises a panel, a protective shell is connected to the middle of the rear end of the panel, a connector is installed on the top of the front end of the panel, a guide column with a groove is arranged on the left side in the panel, and a first locking plate, a second locking plate, a third locking plate and an Nth locking plate are arranged on the inner side of the guide column with the groove. The locking assembly is arranged on the left side of the front end of the panel, the rotating assembly is arranged in the middle of the front end of the panel, the auxiliary switch is arranged in the middle of the rear end of the panel, the sliding supporting assemblies are arranged on the upper side and the lower side of the rear end of the panel, and the sliding connecting assemblies are arranged on the upper side and the lower side of the protective shell. When a plurality of high-voltage devices are maintained, only one high-voltage device is opened for maintenance, the safety performance is improved, the panel and the protective shell are connected conveniently through clamping, pressing and locking of the sliding supporting assembly and the sliding connecting assembly, and the assembling, disassembling and overhauling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of electric power and electrical engineering, in particular to an N-out-of-one interlocking device. Background Art

[0002] The high-voltage maintenance operation safety device is a necessary device that can protect the safety of operators and equipment facilities under high-voltage conditions. It is an important component of the user-designed power electrical safety interlock system.

[0003] At present, the main methods used are electrical interlocking + mechanical interlocking. However, when there are further interlocking requirements for the lowest-level equipment, such as multiple high-voltage equipment, and we can only open one at a time, and opening them at the same time will cause safety hazards, the structure is often very complicated and needs to be optimized and improved. Utility Model Content

[0004] The purpose of the utility model is to provide an N-out-of-one interlocking device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: an N-out interlocking device, comprising a panel, a protective shell is connected to the middle of the rear end of the panel, and a connector is installed at the top of the front end of the panel:

[0006] A slotted guide post is arranged on the inner left side of the panel. A first lock plate, a second lock plate, a third lock plate and an Nth lock plate are arranged on the inner side of the slotted guide post. A locking assembly is arranged on the left side of the front end of the panel. A rotating assembly is arranged in the middle of the front end of the panel. An auxiliary switch is arranged in the middle of the rear end of the panel. After the lock plates are adjusted, they can be opened individually for easy maintenance.

[0007] The sliding support assembly is arranged on the upper and lower sides of the rear end of the panel. The upper and lower sides of the protective shell are provided with sliding connection assemblies. The rotation adjustment of the sliding support assembly and the sliding connection assembly is easy for fixed installation.

[0008] Preferably, connecting screws are provided at the four inner corners of the panel, and a grounding bolt is connected to the inner right side of the panel.

[0009] Preferably, guide columns with grooves are provided at both upper and lower ends of the left inner side of the panel, and the guide columns with grooves are symmetrically arranged about the horizontal line of the panel.

[0010] Preferably, the inner side of the grooved guide column is provided with a first lock plate, a second lock plate, a third lock plate and an Nth lock plate in sequence from front to back, and a locking assembly is provided at the front end of the grooved guide column.

[0011] Preferably, the locking assembly comprises a cylindrical lock, a rotary lock cam, a cam pin and a key, the rear end of the cylindrical lock is connected to the rotary lock cam, the rear end of the rotary lock cam is connected to the cam pin, and the key is arranged inside the cylindrical lock.

[0012] Preferably, a rotating assembly is provided in the middle of the front end of the panel, and an auxiliary switch is provided in the middle of the rear end of the panel, the rotating assembly includes a rotating connecting disk, an unlocking cam and a cam slot, the rear end of the rotating connecting disk is connected to the unlocking cam, and a cam slot is provided inside the unlocking cam.

[0013] Preferably, sliding support components are provided on both upper and lower sides of the rear end of the panel, and the sliding support components include a sliding clamping plate and a threaded hole, and the sliding clamping plate is provided with a threaded hole inside.

[0014] Preferably, sliding connection components are provided at both upper and lower ends of the protective shell, and the sliding connection components include a sliding connection frame, an adjusting screw and a limiting card plate, the interior of the sliding connection frame is connected to the adjusting screw, and a limiting card plate is provided at the bottom end of the adjusting screw.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The control of the rotating assembly and the auxiliary switch proposed in the utility model cooperates with the connection and locking of the lock plate by the locking assembly. When multiple high-voltage devices need to be maintained, only one can be opened for maintenance at a time, thereby improving safety performance.

[0017] The snap-on and press-locking of the sliding support assembly and the sliding connection assembly make the connection between the panel and the protective shell more convenient and improve the efficiency of installation, disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the partial cross-section structure of the utility model from another viewing angle;

[0021] Figure 3 This is an enlarged structural diagram of the lock plate of the utility model;

[0022] Figure 4 It is a schematic diagram of the expanded structure of the sliding support assembly and the sliding connection assembly of the utility model.

[0023] In the figure: 1. panel; 2. protective shell; 3. connector; 4. connecting screw; 5. grounding bolt; 6. grooved guide column; 7. first lock plate; 8. second lock plate; 9. third lock plate; 10. Nth lock plate; 11. locking assembly; 1101. cylindrical lock; 1102. rotating lock cam; 1103. cam pin; 1104. key; 12. rotating assembly; 1201. rotating connecting plate; 1202. unlocking cam; 1203. cam slot; 13. auxiliary switch; 14. sliding support assembly; 1401. sliding clamping plate; 1402. threaded hole; 15. sliding connection assembly; 1501. sliding connection frame; 1502. adjusting screw; 1503. limiting clamping plate. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0025] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0026] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0028] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0029] Embodiment 1

[0030] See also Figures 1 to 4 The utility model provides a technical solution: an N-to-one interlocking device, comprising a panel 1, a protective shell 2 is connected to the middle of the rear end of the panel 1, and a connector 3 is installed on the top of the front end of the panel 1:

[0031] A slotted guide post 6 is provided on the inner left side of the panel 1. A first lock plate 7, a second lock plate 8, a third lock plate 9 and an Nth lock plate 10 are provided on the inner side of the slotted guide post 6. A locking assembly 11 is provided on the left side of the front end of the panel 1. A rotating assembly 12 is provided in the middle of the front end of the panel 1. An auxiliary switch 13 is provided in the middle of the rear end of the panel 1. After the lock plates are adjusted, they can be opened individually for easy maintenance;

[0032] The sliding support assembly 14 is arranged on the upper and lower sides of the rear end of the panel 1. The upper and lower sides of the protective shell 2 are both provided with sliding connection assemblies 15. The rotation adjustment of the sliding support assembly 14 and the sliding connection assembly 15 is easy to fix and install;

[0033] The control of the rotating component 12 and the auxiliary switch 13 is set, and the connection and locking of the lock plate by the locking component 11 is coordinated. When multiple high-voltage devices need to be maintained, only one can be opened for maintenance at a time, thereby improving safety performance. The card-connected press locking of the sliding support component 14 and the sliding connection component 15 makes the connection between the panel 1 and the protective shell 2 more convenient, thereby improving the efficiency of installation, disassembly and maintenance.

[0034] Embodiment 2

[0035] On the basis of the first embodiment, the four inner corners of the panel 1 are provided with connecting screws 4, and the inner right side of the panel 1 is connected with a grounding bolt 5, the upper and lower ends of the inner left side of the panel 1 are provided with grooved guide columns 6, and the grooved guide columns 6 are symmetrically arranged about the horizontal line of the panel 1, the inner side of the grooved guide columns 6 is provided with a first lock plate 7, a second lock plate 8, a third lock plate 9 and an Nth lock plate 10 in sequence from front to back, and the front end of the grooved guide columns 6 is provided with a locking assembly 11, the locking assembly 11 includes a cylindrical lock 1101, a rotating lock cam 1102, a cam pin 1103 and a key 1104, the rear end of the cylindrical lock 1101 is connected with the rotating lock cam 1102, and the rear end of the rotating lock cam 1102 is connected with the cam pin 1103, and the inside of the cylindrical lock 1101 is provided with a key 1104;

[0036] A grooved guide column 6 is fixed on the upper and lower parts of the panel 1. The grooved guide column 6 is fixed between the panel 1 and the protective shell 2 and is fixed by screws. A first lock plate 7, a second lock plate 8, a third lock plate 9 and an Nth lock plate 10 are arranged between the grooved guide columns 6. Each lock plate is provided with a lock plate elliptical groove and a lock plate interlocking groove. The sizes of the first lock plate 7, the second lock plate 8, the third lock plate 9 and the Nth lock plate 10 are exactly the same, except that the positions of the elliptical grooves and the lock plate interlocking grooves on the lock plates are different. A plurality of cylindrical locks 1101 are fixed on the left side of the front side of the panel 1, each cylindrical lock 1101 corresponds to the position of the lock plate elliptical groove of a lock plate, a rotating lock cam 1102 is fixed to the rear part of the cylindrical lock 1101, and a cam pin 1103 is arranged on the rotating lock cam 1102. Each level of cylindrical locks 1101 is equipped with corresponding keys 1104, and the keys 1104 are all different and cannot be opened mutually. The corresponding key 1104 can drive the cam pin 1103 to rotate 360 ​​degrees.

[0037] Embodiment 3

[0038] On the basis of the second embodiment, a rotating assembly 12 is provided in the middle of the front end of the panel 1, and an auxiliary switch 13 is provided in the middle of the rear end of the panel 1. The rotating assembly 12 includes a rotating connecting disk 1201, an unlocking cam 1202 and a cam slot 1203. The rear end of the rotating connecting disk 1201 is connected to the unlocking cam 1202, and the unlocking cam 1202 has a cam slot 1203 formed inside.

[0039] A rotating connecting disk 1201 is fixed on the right side of the panel 1, and an unlocking cam 1202 is installed in the supporting disk. A cam slot 1203 is provided on the unlocking cam 1202, and there is a flat surface on the other side of the unlocking cam 1202. The rotating connecting disk 1201 and the unlocking cam 1202 are fixed by screws. An auxiliary switch 13, a connector 3, and a grounding bolt 5 are also provided on the panel 1. The auxiliary switch 13 has a normally open contact and a normally closed contact. The electrical connection is led out through the connector 3. The action of the auxiliary switch 13 realizes the conversion of the contacts through the cam slot 1203 on the unlocking cam 1202.

[0040] Embodiment 4

[0041] On the basis of the third embodiment, a sliding support assembly 14 is provided on both upper and lower sides of the rear end of the panel 1, and the sliding support assembly 14 includes a sliding clamping plate 1401 and a threaded hole 1402, and the sliding clamping plate 1401 is provided with a threaded hole 1402 inside, and a sliding connection assembly 15 is provided at both upper and lower ends of the protective shell 2, and the sliding connection assembly 15 includes a sliding connection frame 1501, an adjusting screw 1502 and a limiting clamping plate 1503, and the inside of the sliding connection frame 1501 is connected with the adjusting screw 1502, and the bottom end of the adjusting screw 1502 is provided with a limiting clamping plate 1503;

[0042] When internal disassembly and maintenance is required, unscrew the adjusting screw 1502 to allow the limiting card plate 1503 to disengage from the middle groove position of the sliding card plate 1401, and then move the adjusting screw 1502 upward to disconnect the sliding connection frame 1501 from the sliding card plate 1401. At this time, slide relative to each other to separate the panel 1 and the protective shell 2 front and back. Before separation, remove the screws on the connecting screw 4 and the grooved guide column 6.

[0043] When the utility model is in use, it is first necessary to take out a key 1104 from the device, first operate to rotate the connecting disk 1201 to the unlocking position, and at the same time, the auxiliary switch 13 contacts are actuated, and the plane of the unlocking cam 1202 rotates to a vertical position, and the lock plate has space to move to the right and feedback is given to the system. At this time, any key 1104 can be taken out, and after taking it out, the lock plate moves to the right, and the elliptical grooves of the remaining lock plates partially overlap with the lock plate interlocking groove, so they cannot rotate, realizing the double insurance of electrical feedback and mechanical interlocking. When returning the key 1104, insert the key 1104 into the corresponding cylindrical lock 1101 and rotate it. After rotation, the elliptical grooves of all lock plates partially overlap with the lock plate rotation track grooves, and all keys have a rotating state again, operate to rotate the connecting disk 1201 to the normal position, and at the same time, the auxiliary switch 13 contacts are actuated and feedback is given to the system, and the plane of the unlocking cam 1202 rotates to the vertical position. When the lock plate reaches the horizontal position, the space for the lock plate to move to the right is blocked by the unlocking cam 1202. Multiple lock plates are locked by inserting the fixed key 1104. When the lock plate has space to move, the single lock plate can be moved by pulling out the single key 1104. The lock plate is in the inner limit position of the grooved guide column 6. The grooved guide column 6 is provided with multiple grooves, which respectively correspond to the first lock plate 7, the second lock plate 8, the third lock plate 9 and the Nth lock plate 10. The N-to-one interlocking is completed by adjustment. When the interior needs to be disassembled and repaired, the adjusting screw 1502 is screwed out to disengage the limiting card plate 1503 from the middle groove position of the sliding card plate 1401, and then the adjusting screw 1502 is moved upward to disconnect the sliding connection frame 1501 from the sliding card plate 1401. At this time, they slide relative to each other to separate the panel 1 and the protective shell 2 front and back. Before separation, remove the connecting screw 4 and the screws on the grooved guide column 6.

[0044] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0045] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. An N-for-one interlocking device, comprising a panel (1), a protective shell (2) connected to the middle of the rear end of the panel (1), and a connector (3) installed at the top of the front end of the panel (1), characterized in that: A grooved guide post (6) is arranged on the left side of the interior of the panel (1); a first locking plate (7), a second locking plate (8), a third locking plate (9) and an Nth locking plate (10) are arranged on the inner side of the grooved guide post (6); a locking assembly (11) is arranged on the left side of the front end of the panel (1); a rotating assembly (12) is arranged in the middle of the front end of the panel (1); an auxiliary switch (13) is arranged in the middle of the rear end of the panel (1); after the locking plates are adjusted, they are opened individually for easy maintenance; The sliding support assembly (14) is arranged on the upper and lower sides of the rear end of the panel (1), and the upper and lower sides of the protective shell (2) are both provided with sliding connection assemblies (15). The rotation adjustment of the sliding support assembly (14) and the sliding connection assembly (15) is easy to fix and install.

2. The N-out-of-one interlocking device according to claim 1, characterized in that: Connecting screws (4) are provided at the four inner corners of the panel (1), and a grounding bolt (5) is connected to the inner right side of the panel (1).

3. The N-out-of-one interlocking device according to claim 1, characterized in that: The upper and lower ends of the left side of the interior of the panel (1) are both provided with grooved guide columns (6), and the grooved guide columns (6) are symmetrically arranged with respect to the horizontal line of the panel (1).

4. The N-out-of-one interlocking device according to claim 3, characterized in that: The inner side of the grooved guide column (6) is provided with a first locking plate (7), a second locking plate (8), a third locking plate (9) and an Nth locking plate (10) in sequence from front to back, and a locking assembly (11) is provided at the front end of the grooved guide column (6).

5. The N-out-of-one interlocking device according to claim 4, characterized in that: The locking assembly (11) comprises a cylindrical lock (1101), a rotary lock cam (1102), a cam pin (1103) and a key (1104); the rear end of the cylindrical lock (1101) is connected to the rotary lock cam (1102), and the rear end of the rotary lock cam (1102) is connected to the cam pin (1103); and the key (1104) is arranged inside the cylindrical lock (1101).

6. The N-out-of-one interlocking device according to claim 1, characterized in that: A rotating assembly (12) is arranged in the middle of the front end of the panel (1), and an auxiliary switch (13) is arranged in the middle of the rear end of the panel (1); the rotating assembly (12) comprises a rotating connection disk (1201), an unlocking cam (1202) and a cam slot (1203); the rear end of the rotating connection disk (1201) is connected to the unlocking cam (1202), and the unlocking cam (1202) is provided with a cam slot (1203) inside.

7. The N-out-of-one interlocking device according to claim 1, characterized in that: The rear end of the panel (1) is provided with a sliding support assembly (14) on both upper and lower sides, and the sliding support assembly (14) comprises a sliding clamping plate (1401) and a threaded hole (1402), and the sliding clamping plate (1401) has a threaded hole (1402) formed inside.

8. The N-out-of-one interlocking device according to claim 1, characterized in that: The upper and lower ends of the protective shell (2) are both provided with sliding connection components (15), and the sliding connection components (15) include a sliding connection frame (1501), an adjusting screw (1502) and a limiting clamping plate (1503), the interior of the sliding connection frame (1501) is connected with the adjusting screw (1502), and the bottom end of the adjusting screw (1502) is provided with a limiting clamping plate (1503).

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