CN113964682A - Switch cabinet with safety interlocking protection device - Google Patents
Switch cabinet with safety interlocking protection device Download PDFInfo
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- CN113964682A CN113964682A CN202111398241.2A CN202111398241A CN113964682A CN 113964682 A CN113964682 A CN 113964682A CN 202111398241 A CN202111398241 A CN 202111398241A CN 113964682 A CN113964682 A CN 113964682A
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- switch cabinet
- cabinet door
- groove
- base
- guide rail
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanisms For Operating Contacts (AREA)
- Patch Boards (AREA)
Abstract
本发明公开了一种具有安全联锁保护装置的开关柜，包括开关柜箱体和踏体架，踏体架与一侧的开关柜底座固定连接，踏体架上安装有旋转机构，在旋转机构的活动端上安装有伸缩锁定机构，在旋转机构底部安装有多组弹性伸缩机构，在旋转机构的活动端两侧对称安装有滑动挤压转向机构，滑动挤压转向机构插入位于开关柜门安装转动轴上竖向设有正向外侧的竖向导轨槽，位于开关柜门安装转动轴圆周面上设有连通竖向导轨槽底部的用于挤压带动柜门转动的俯视占圆周角为90度的弧形挤压导轨槽，通过以上机构实现自动连锁锁定柜门角度的同时，维保间歇或结束后，自动锁闭柜门，提升了开关柜的安全联锁性能，避免了柜门未及时关闭外物误入造成的人员伤亡和设备损坏。
The invention discloses a switch cabinet with a safety interlocking protection device, comprising a switch cabinet box and a step body frame, the step body frame is fixedly connected with a switch cabinet base on one side, and a rotation mechanism is installed on the step body frame, which can rotate when rotating. A telescopic locking mechanism is installed on the movable end of the mechanism, a plurality of sets of elastic telescopic mechanisms are installed at the bottom of the rotating mechanism, a sliding extrusion steering mechanism is symmetrically installed on both sides of the movable end of the rotating mechanism, and the sliding extrusion steering mechanism is inserted into the switch cabinet door. The installation rotating shaft is vertically provided with a positive outer vertical guide rail groove, and on the circumferential surface of the installation rotating shaft of the switch cabinet door, there is a connection to the bottom of the vertical guide rail groove, which is used to squeeze and drive the cabinet door to rotate. The 90-degree arc-shaped extruded guide rail groove realizes automatic interlocking and locking of the cabinet door angle through the above mechanism, and at the same time, the cabinet door is automatically locked after the maintenance interval or after the end, which improves the safety interlocking performance of the switch cabinet and avoids the cabinet door. Personnel casualties and equipment damage caused by the accidental entry of foreign objects that are not closed in time.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a switch cabinet with a safety interlocking protection device.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment.
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.
The switch cabinet needs to be maintained regularly in the use process, and the existing switch cabinet has the following problems in the maintenance process: 1. in the maintenance process, the opened cabinet door of the switch cabinet rotates accidentally, so that the maintenance operation of personnel is influenced, and the potential safety hazard is increased; 2. after the maintenance interval or the maintenance is finished, the door of the switch cabinet cannot be closed in time by a person, so that irrelevant persons enter by mistake or animals enter by a snake and mouse lamp, and casualties or equipment damage is caused.
Based on the problems, the invention provides a switch cabinet with a safety interlocking protection device.
Disclosure of Invention
The invention aims to provide a switch cabinet with a safety interlocking protection device, and solves the problems that maintenance operation and maintenance intermittence are influenced by accidental rotation of a cabinet door in the maintenance process of the conventional switch cabinet, or a person cannot timely close the cabinet door of the switch cabinet after the maintenance intermittence or the maintenance is finished, so that irrelevant persons enter the switch cabinet by mistake or animals such as snakes and rats enter the switch cabinet to cause casualties or equipment damage in the background technology.
In order to achieve the above purpose, the invention adopts the technical scheme that:
the utility model provides a cubical switchboard with safety interlock protection device, includes the cubical switchboard box and installs the body frame of stepping on of cubical switchboard box front end, step on the body frame with the cubical switchboard box base fixed connection of side bottom installation that opens the door of cubical switchboard box, step on and install rotary mechanism on the body frame, be located rotary mechanism's activity is served and is installed and insert the flexible locking mechanical system of recess before the base that is equipped with on the cubical switchboard base is located the rotary mechanism bottom step on and install multiunit elastic expansion mechanism on the body frame, be located simultaneously rotary mechanism's expansion end bilateral symmetry installs slip extrusion steering mechanism, both sides fixed mounting has cubical switchboard door installation axis of rotation in the recess before the base, slip extrusion steering mechanism inserts and is located vertical guide rail groove that is equipped with the forward outside in cubical switchboard door installation axis of rotation is located be equipped with the intercommunication on the cubical switchboard door installation axis of rotation periphery be used for extrusion steering mechanism tank bottom of vertical guide rail groove The overlooking of the cabinet door is driven to occupy an arc extrusion guide rail groove with a circumferential angle of 90 degrees.
Further, the rotating mechanism comprises a movable pedal and a fixed rotating shaft.
Furthermore, the movable pedal is installed in a pedal body inner groove arranged in the pedal body frame, the pedal body frame is in a right-angle ladder cylinder shape, the pedal body inner groove is also in a right-angle ladder cylinder shape, one end of the movable pedal is fixedly installed on the fixed rotating shaft, the fixed rotating shaft is installed on the pedal body frame positioned at one side end with the lower height of the pedal body inner groove, a slope block convenient for personnel and equipment to enter is installed on the pedal body frame positioned outside the fixed rotating shaft, and a plurality of groups of elastic telescopic mechanisms are symmetrically installed on the pedal body frame positioned at the bottom of the movable pedal.
Furthermore, the elastic telescopic mechanism comprises a telescopic rod with multi-stage telescopic, an extrusion spring and a top ball bearing body.
Furthermore, a plurality of groups of round hole grooves with upward openings are uniformly formed in the pedal body frame below the movable end of the movable pedal, the telescopic rod with multi-stage expansion is arranged in the round hole grooves, the top of the telescopic rod is provided with a top ball bearing body, the telescopic rod below the top ball bearing body is provided with the extrusion spring, the bottom surface of the movable pedal is in contact with the top ball bearing body under the no-load condition, and the expansion locking mechanism is arranged on one side surface of the movable end of the movable pedal.
Still further, flexible locking mechanical system contains lock tooth PMKD and multiunit lock tooth, lock tooth PMKD fixed mounting be in on the activity footboard expansion end side, be located the multiunit is evenly installed to lock tooth PMKD top surface lock tooth is located simultaneously preceding recess top of base be equipped with on the cubical switchboard base with the multiunit the base lock tooth of lock tooth one-to-one runs through the spacing groove, the lock tooth top outside is equipped with the arcwall face that makes things convenient for cabinet door locking, simultaneously base lock tooth runs through the spacing inslot side and establishes to preventing lock tooth card dead arcwall face is located install left cubical switchboard door and right cubical switchboard door on the cubical switchboard box, and left cubical switchboard door with the bottom of right cubical switchboard door be equipped with the cabinet door lock tooth draw-in groove that the base lock tooth runs through the spacing groove one-to-do, the lock tooth respectively with cabinet door lock tooth draw-in groove medial surface is equipped with and prevents the dead clearance of structure card The left switch cabinet door and the right switch cabinet door are respectively provided with an inner convex block and an inner groove which have installation limiting relations of chamfer arc-shaped surfaces, the left switch cabinet door and the right switch cabinet door are respectively installed on symmetrical switch cabinet door installation rotating shafts, the bottom of the switch cabinet door installation rotating shaft penetrates through rotating shaft installation holes symmetrically formed in a switch cabinet base and is installed in the base front groove, and the sliding extrusion steering mechanism is inserted into the switch cabinet door installation rotating shaft.
Furthermore, the sliding extrusion steering mechanism comprises two groups of punch rods and a plurality of groups of sliding wheels which are symmetrically arranged.
Further, it is two sets of the drift pole symmetry is installed on the activity footboard expansion end medial surface, be located the drift pole inserts bilateral symmetry on the vertical guide rail inslot position is equipped with the leading wheel groove, install radial perpendicular to on the leading wheel groove the movable pulley of vertical guide rail groove both sides face, the outside end of drift pole with be equipped with between vertical guide rail inslot medial surface and prevent the dead clearance of activity card, simultaneously the vertical height more than or equal to in vertical guide rail groove the lock tooth inserts the height of cabinet door lock tooth draw-in groove, vertical guide rail tank bottom intercommunication the top in arc extrusion guide rail groove, simultaneously vertical guide rail groove with arc extrusion guide rail tank bottom surface and both sides face smooth phase meet.
Furthermore, the pedal body frame and the two sides of the switch cabinet base installed at the bottom of the door opening side of the switch cabinet body are fixedly connected through symmetrically installed connecting plates, and an equipment installation frame is arranged in the switch cabinet body.
Compared with the prior art, the invention has the following advantages:
(1) in the invention, a pedal body frame is fixedly connected and installed in front of a switch cabinet base at the bottom of a switch cabinet body, a movable pedal fixed at the outer side end is installed on the pedal body frame, a telescopic locking mechanism and a sliding extrusion steering mechanism are installed at the movable end of the movable pedal, a plurality of groups of elastic telescopic mechanisms are installed on the pedal body frame below the movable pedal, when a person needs to perform maintenance operation, the person stands on the movable pedal firstly to enable the movable pedal to rotate downwards, the movable pedal drives a lock tooth fixing bottom plate to move downwards, the lock tooth fixing bottom plate drives a plurality of groups of lock teeth to push out a cabinet door lock tooth clamping groove at the bottom of a left switch cabinet door and a right switch cabinet door, in the process, the sliding extrusion steering mechanism moves from top to bottom in a vertical guide rail groove on a switch cabinet door installation rotating shaft, and the movable pedal further rotates downwards after the cabinet door lock is released by the person, two sets of blunting body poles that slip extrusion steering mechanism contained get into arc extrusion guide rail groove by vertical guide rail groove, the both sides face drive switch cabinet door installation axis of rotation that lies in multiunit movable pulley extrusion arc extrusion guide rail groove on the blunting body pole simultaneously rotates 90 degrees to the outside, realize automatic division of cabinet door, personnel only need stand and maintain the operation on the activity footboard, the switch cabinet door installation axis of rotation of both sides receives multiunit movable pulley extrusion location on the blunting body pole, make the cabinet door remain open state all the time, ensure the fixed open state of cabinet door in carrying out the dimension operation when increasing cabinet door switching safety interlocking performance, the influence of the unexpected gyration of cabinet door to the dimension operation has been avoided, the potential safety hazard has been eliminated.
(2) When a person walks down the movable pedal at the interval or after maintenance is finished, the extrusion springs on the multiple groups of elastic telescopic mechanisms below the movable pedal push the telescopic rods to stretch and retract, and the movable pedal is pushed to rotate upwards by the top ball bearing body, in the process, two groups of punching body rods at the movable end of the movable pedal simultaneously move upwards, multiple groups of sliding wheels on the punching body rods drive the cabinet door installation rotating shaft to rotate inwards by 90 degrees by extruding two side surfaces of the arc-shaped extrusion guide rail groove to close the cabinet door, in the process, the locking tooth fixing bottom plate positioned at the outer side end of the movable pedal also resets at the same time, after the cabinet door rotates by 90 degrees and is closed, the punching body rods contained in the sliding extrusion steering mechanism move upwards in the vertical guide rail groove after completing the action, and simultaneously, the locking tooth fixing bottom plate drives multiple groups of locking teeth to penetrate through the limiting grooves by the base locking teeth to enter the cabinet door locking tooth clamping grooves to clamp and lock the cabinet door, realize through above structure that the cubical switchboard cabinet door automatic re-setting is locked when the personnel walk down the activity footboard at maintenance intermittence or after, avoided personnel to forget that irrelevant personnel that in time closed the cabinet door and brought are gone into by mistake and the casualties and the equipment damage that cause are got into to mice such as some snakes and mice, promoted the safety interlock function of cubical switchboard greatly, eliminated latent risk.
Drawings
FIG. 1 is a perspective view provided by an embodiment of the present invention;
FIG. 2 is a perspective view of the switch cabinet provided by the embodiment of the invention with the top of the cabinet body removed;
fig. 3 is a perspective view of the cabinet door provided by the embodiment of the invention without the left and right switch cabinet doors;
fig. 4 is a perspective view of a left switch cabinet door and a right switch cabinet door provided in the embodiment of the present invention;
FIG. 5 is a perspective view of the pedal frame according to the embodiment of the present invention;
FIG. 6 is a perspective view of a switch cabinet base and a half-section pedal frame provided in accordance with an embodiment of the present invention;
FIG. 7 is a perspective view, partially in section, of an embodiment of the present invention;
FIG. 8 is an assembled perspective view of the sliding squeeze steering mechanism according to an embodiment of the present invention;
fig. 9 is a perspective view of a sliding squeeze steering mechanism according to an embodiment of the present invention.
In the figure: 1. a switch cabinet body; 2. a switch cabinet base; 3. a pedal body frame; 4. a slope block; 5. an inner groove of the pedal body; 6. a circular hole groove; 7. a telescopic rod; 8. a compression spring; 9. a movable pedal; 901. fixing the rotating shaft; 10. the locking teeth fix the bottom plate; 11. locking teeth; 12. a punch rod; 13. a guide wheel groove; 14. a sliding wheel; 15. a ball jacking pressure bearing body; 16. a connecting plate; 17. a left switch cabinet door; 18. a right switch cabinet door; 19. an inner bump; 20. an inner groove; 21. a rotating shaft is arranged on the switch cabinet door; 22. a vertical guide rail groove; 23. arc-shaped extrusion guide rail grooves; 24. a lock tooth clamping groove of the cabinet door; 25. a base front groove; 26. the base lock tooth penetrates through the limiting groove; 27. a rotating shaft mounting hole; 28. an equipment mounting frame.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in figures 1-9, a switch cabinet with a safety interlock protection device, which comprises a switch cabinet body 1 and a pedal body frame 3 arranged at the front end of the switch cabinet body 1, wherein the pedal body frame 3 is fixedly connected with a switch cabinet base 2 arranged at the bottom of the door opening side of the switch cabinet body 1, a rotating mechanism is arranged on the pedal body frame 3, a telescopic locking mechanism inserted into a front base groove 25 arranged on the switch cabinet base 2 is arranged on a movable end of the rotating mechanism, a plurality of groups of elastic telescopic mechanisms are arranged on the pedal body frame 3 arranged at the bottom of the rotating mechanism, sliding extrusion steering mechanisms are symmetrically arranged at two sides of the movable end of the rotating mechanism, switch cabinet door mounting rotating shafts 21 are fixedly arranged at two sides in the front base groove 25, the sliding extrusion steering mechanisms are inserted into vertical guide rail grooves 22 vertically arranged on the switch cabinet mounting rotating shafts 21 and communicated with the bottoms of the vertical guide rail grooves 22 and are arranged on the circumference of the switch cabinet door mounting rotating shafts 21 and used for extruding to drive the bottoms of the cabinet doors The arc extrusion guide rail groove 23 with a circumferential angle of 90 degrees is rotated when the cabinet door is overlooked, the door opening angle of the cabinet door is generally 90 degrees, and 90 degrees is only an opening mode, for example, if a 120-degree opening angle needs to be arranged, the groove rail of the arc extrusion guide rail groove 23 needs to be adjusted, and the overlooked circumferential angle is 120 degrees.
Principle of automatic unlocking and preventing cabinet door from rotating:
a pedal body frame 3 is fixedly connected and installed in front of a switch cabinet base 2 at the bottom of a switch cabinet body 1, a movable pedal 9 fixed at the outer side end is installed on the pedal body frame 3, a telescopic locking mechanism and a sliding extrusion steering mechanism are installed at the movable end of the movable pedal 9, meanwhile, a plurality of groups of elastic telescopic mechanisms are installed on the pedal body frame 3 below the movable pedal 9, when a person needs to perform maintenance operation, the person stands on the movable pedal firstly, so that the movable pedal 9 rotates downwards, the movable pedal 9 drives a lock tooth fixing bottom plate 10 to move downwards, the lock tooth fixing bottom plate 10 drives a plurality of groups of lock teeth 11 to pull out a cabinet door lock tooth clamping groove 24 at the bottom of a left switch cabinet door 17 and a right switch cabinet door 18, in the process, the sliding extrusion steering mechanism moves downwards from a vertical guide rail groove 22 on a switch cabinet door installation rotating shaft 21, and after the person removes a cabinet door lock, the movable pedal 9 further rotates downwards, slide and extrude and get into arc extrusion guide rail groove 23 on two sets of punching body poles 12 that steering mechanism contained by vertical guide rail groove 22, it extrudes arc extrusion guide rail groove 23 both sides face drive switch cabinet door installation axis of rotation 21 and rotates 90 degrees to the outside to be located the multiunit movable pulley 14 on punching body pole 12 simultaneously, realize automatic division of cabinet door, personnel only need stand and maintain the operation on activity footboard 9, the switch cabinet door installation axis of rotation of both sides receives the 14 extrusion location of multiunit movable pulley on punching body pole 12, make the cabinet door remain open state throughout, ensure the fixed open state of cabinet door in carrying out the maintenance operation when increasing cabinet door switching safety interlocking performance again, avoided the unexpected gyration of cabinet door to the influence of maintenance operation, the potential safety hazard has been eliminated.
The principle of automatically turning and locking the cabinet door is as follows:
when the movable pedal is moved down, the extrusion springs 8 on the multiple groups of elastic telescopic mechanisms below the movable pedal 9 can push the telescopic rods 7 to stretch and retract, and the top ball bearing body 15 at the top pushes the movable pedal 9 to rotate upwards, in the process, two groups of punch rods 12 at the movable end of the movable pedal 9 simultaneously move upwards, multiple groups of sliding wheels 14 on the punch rods 12 drive the switch cabinet door installation rotating shaft 21 to rotate inwards by 90 degrees by extruding two side surfaces of the arc extrusion guide rail groove 23 to close the cabinet door, in the process, the lock tooth fixing bottom plate 10 positioned at the outer side end of the movable pedal 9 also resets at the same time, after the cabinet door rotates by 90 degrees and is closed, the punch rods 12 contained in the sliding extrusion steering mechanism move upwards in the vertical guide rail groove 22 after completing the action, and simultaneously when the cabinet door is closed, the lock tooth fixing bottom plate 10 drives multiple groups of lock teeth 11 to penetrate through the limiting grooves 26 by the base lock teeth to enter the cabinet door lock tooth locking clamping grooves 24 to lock the cabinet door, realize through above structure that the cubical switchboard cabinet door automatic re-setting is locked when the personnel walk down the activity footboard at maintenance intermittence or after, avoided personnel to forget that irrelevant personnel that in time closed the cabinet door and brought are gone into by mistake and the casualties and the equipment damage that cause are got into to mice such as some snakes and mice, promoted the safety interlock function of cubical switchboard greatly, eliminated latent risk.
As shown in fig. 5 and 6, the rotating mechanism includes a movable pedal 9 and a fixed rotating shaft 901, the movable pedal 9 is fixedly mounted on the pedal body frame 3 through the fixed rotating shaft 901, the movable pedal 9 may be made of a hard insulating material, or an insulating rubber combination may be additionally arranged on the top of a steel structure.
As shown in fig. 5 and 6, the movable pedal 9 is installed in the pedal body 5 provided in the pedal body frame 3, and the pedal body frame 3 is in a right-angled ladder cylinder shape, and the pedal body inner groove 5 is also in a right-angled ladder cylinder shape, one end of the movable pedal 9 is fixedly installed on the fixed rotating shaft 901, the fixed rotating shaft 901 is installed on the pedal body frame 3 located at one side end of the lower height of the pedal body inner groove 5, and the gradient block 4 facilitating personnel and equipment to enter is installed on the pedal body frame 3 located outside the fixed rotating shaft 901, a plurality of groups of elastic telescopic mechanisms are symmetrically installed on the pedal body frame 3 located at the bottom of the movable pedal 9, the movable pedal 9 is limited in rotation by the pedal body inner groove 5, and the pedal body frame 3 can be simultaneously used.
As shown in fig. 5 and 6, the elastic expansion mechanism comprises an expansion link 7 with multi-stage expansion, an extrusion spring 8 and a ball-pushing pressure-bearing body 15, the expansion stroke of the expansion link is greater than the moving height of the movable pedal 9 rotating to the door opening, and the situation of limit locking is avoided.
As shown in fig. 5 and 6, a plurality of groups of circular hole grooves 6 with upward openings are uniformly arranged on the pedal body frame 3 below the movable end of the movable pedal 9, a telescopic rod 7 with multi-stage expansion is arranged in the circular hole grooves 6, a ball-pushing pressure-bearing body 15 is arranged at the top of the telescopic rod 7, an extrusion spring 8 is arranged on the telescopic rod 7 below the ball-pushing pressure-bearing body 15, the bottom surface of the movable pedal 9 is in contact with the ball-pushing pressure-bearing body 15 under the no-load condition of the movable pedal 9, and a telescopic locking mechanism is arranged on one side surface of the movable end of the movable pedal 9.
As shown in fig. 4-7, the retractable locking mechanism comprises a lock tooth fixing bottom plate 10 and a plurality of sets of lock teeth 11, the lock tooth fixing bottom plate 10 is fixedly installed on one side surface of the movable end of the movable pedal 9, a plurality of sets of lock teeth 11 are evenly installed on the top surface of the lock tooth fixing bottom plate 10, a base lock tooth through limiting groove 26 corresponding to the plurality of sets of lock teeth 11 is arranged on the switch cabinet base 2 on the top of the base front groove 25, an arc surface facilitating the locking of the cabinet door is arranged on the outer side of the top of the lock teeth 11, an arc surface preventing the lock teeth 11 from being stuck is arranged on the inner side of the base lock tooth through limiting groove 26, a left switch cabinet door 17 and a right switch cabinet door 18 are installed on the switch cabinet body 1, lock tooth clamping grooves 24 corresponding to the base lock teeth through limiting groove 26 are arranged on the bottom of the left switch cabinet door 17 and the right switch cabinet door 18, a gap preventing the structural sticking is arranged on the inner side surfaces of the lock tooth 11, which penetrates through the limiting groove 26 and the cabinet door locking tooth through the base lock tooth 24, interior boss 19 and inner groovy 20 that are equipped with the spacing relation of installation that possesses the chamfer arcwall face on left switch cabinet door 17 and the right switch cabinet door 18 respectively, left switch cabinet door 17 and right switch cabinet door 18 are installed respectively on the cubical switchboard installation axis of rotation 21 of symmetry, the pivot mounting hole 27 that the symmetry was equipped with on passing cubical switchboard base 2 was installed in base front recess 25 in cubical switchboard installation axis of rotation 21 bottom, and inserted slip extrusion steering mechanism on the cubical switchboard installation axis of rotation 21, 2 downside limits of cubical switchboard base 2 that lie in recess 25 outside top before the base are equipped with the arc chamfer face, it is spacing to avoid taking place the offset with activity footboard 9.
As shown in fig. 5 and 9, the sliding extrusion steering mechanism comprises two sets of punch rods 12 and a plurality of sets of symmetrically arranged sliding wheels 14, extrusion is smoother through the arrangement of the sliding wheels 14, and extrusion sliding resistance is smaller.
As shown in fig. 8 and 9, two sets of punch rods 12 are symmetrically installed on the inner side surface of the movable end of the movable pedal 9, guide wheel grooves 13 are symmetrically installed on both sides of the punch rods 12 at positions inserted into the vertical guide rail grooves 22, sliding wheels 14 radially perpendicular to both side surfaces of the vertical guide rail grooves 22 are installed on the guide wheel grooves 13, a gap for preventing the dead locking of the movement is provided between the outer side ends of the punch rods 12 and the inner side surface of the vertical guide rail grooves 22, meanwhile, the vertical height of the vertical guide rail grooves 22 is greater than or equal to the height of the lock teeth 11 inserted into the lock tooth clamping grooves 24 of the cabinet door, the bottom of the vertical guide rail grooves 22 is communicated with the top of the arc-shaped extrusion guide rail grooves 23, meanwhile, the bottom surfaces of the vertical guide rail grooves 22 and the arc-shaped extrusion guide rail grooves 23 are smoothly connected with both side surfaces, so that the smooth performance of the extrusion rotation is increased, the sliding wheels 14 are installed on the guide wheel grooves 13, and the outer side ends extend out of the guide wheel grooves 13 and contact both side surfaces of the vertical guide rail grooves 22 and the arc-shaped extrusion guide rail grooves 23, the effect of extrusion rotation is achieved.
As shown in fig. 1 and 5, the pedal body frame 3 is fixedly connected with the two sides of the switch cabinet base 2 installed at the bottom of the opening side of the switch cabinet box body 1 through the symmetrically installed connecting plates 16, an equipment installing frame 28 is arranged in the switch cabinet box body 1, and the pedal body frame 3 is prevented from shifting relative to the switch cabinet base 2 through the arrangement of the connecting plates 16, so that the interlocking failure triggered by inaccurate structural installation is caused.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111398241.2A CN113964682B (en) | 2021-11-19 | 2021-11-19 | A switch cabinet with safety interlock protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111398241.2A CN113964682B (en) | 2021-11-19 | 2021-11-19 | A switch cabinet with safety interlock protection device |
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| Publication Number | Publication Date |
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| CN113964682A true CN113964682A (en) | 2022-01-21 |
| CN113964682B CN113964682B (en) | 2024-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111398241.2A Active CN113964682B (en) | 2021-11-19 | 2021-11-19 | A switch cabinet with safety interlock protection device |
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| WO2012145693A1 (en) * | 2011-04-22 | 2012-10-26 | Rks Design, Inc. | Instrument retention assembly |
| CN209359978U (en) * | 2018-05-25 | 2019-09-10 | 广州信想科技有限公司 | A kind of file storage cabinet with multi-layer structure |
| CN112382942A (en) * | 2020-10-19 | 2021-02-19 | 国网浙江省电力有限公司岱山县供电公司 | Mistaken-touch-preventing power distribution cabinet and using method thereof |
| DE202022100867U1 (en) * | 2021-11-19 | 2022-03-03 | Fuyang Rongda Complete-Set Electric Equipment Manufacturing Branch of Hangzhou Power Equipment Manufacturing Co., Ltd. | Control cabinet with a safety interlock protection device |
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2021
- 2021-11-19 CN CN202111398241.2A patent/CN113964682B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02122866U (en) * | 1988-06-10 | 1990-10-09 | ||
| WO2012145693A1 (en) * | 2011-04-22 | 2012-10-26 | Rks Design, Inc. | Instrument retention assembly |
| CN209359978U (en) * | 2018-05-25 | 2019-09-10 | 广州信想科技有限公司 | A kind of file storage cabinet with multi-layer structure |
| CN112382942A (en) * | 2020-10-19 | 2021-02-19 | 国网浙江省电力有限公司岱山县供电公司 | Mistaken-touch-preventing power distribution cabinet and using method thereof |
| DE202022100867U1 (en) * | 2021-11-19 | 2022-03-03 | Fuyang Rongda Complete-Set Electric Equipment Manufacturing Branch of Hangzhou Power Equipment Manufacturing Co., Ltd. | Control cabinet with a safety interlock protection device |
| CN216289645U (en) * | 2021-11-19 | 2022-04-12 | 杭州电力设备制造有限公司 | A switch cabinet with safety interlock protection device |
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| CN113964682B (en) | 2024-12-10 |
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