CN108767689A - A kind of electric automatization control cabinet and its operating method - Google Patents

Abstract

The present invention relates to technical field of electric equipment, and disclose a kind of electric automatization control cabinet and its operating method, including babinet, the bottom end of the box house is installed with pedestal, ventilation hole is offered at the top of the pedestal, the left and right sides of babinet offers exhaust outlet, and the bottom of pedestal is installed with suction ventilator, the left and right sides of babinet offers the air inlet below exhaust outlet, and demarcation strip is fixedly mounted in the bottom of cabinet wall.The electric automatization control cabinet and its operating method, by suction ventilator so that the air-flow of box house is convenient for circulation, to cause air flow through activated charcoal strainer, the steam in air is removed, and activated charcoal strainer is contacted by fixed block with locating rod, to the position of fixed activated charcoal strainer, cooperation fixed spring acts on sliding block, so that sliding block is moved on sliding bar, to adjust the position of locating rod, it is replaced convenient for removing activated charcoal strainer, has the function that ventilation drying.

Description

A kind of electric automatization control cabinet and its operating method

Technical field

The present invention relates to technical field of electric equipment, specially a kind of electric automatization control cabinet and its operating method.

Background technology

Electrical engineering and it's automation major is a new branch of science in electric information field, but due to daily with people Life and industrial production are closely related, and development is very fast, now also relatively ripe, have become new high-tech industry Important component, be widely used in the fields such as industry, agricultural, national defence, played in national economy more and more important Effect, and control cabinet is common one of the equipment of electrical engineering.

Control cabinet is applicable in and opens factories and miness, enterprise, market, hotel, school, airport, harbour, hospital, skyscraper, residence district Etc. occasions, exchange 50HZ, rated operational voltage be exchange 380V low voltage electric network system in, as power, light distribution and electricity Motivation control is used, and is suitble to interior extension wall, outdoor Pedestal mounted controller switching equipment, be also used in exchange 50HZ, voltage 500V with Lower electric system makes as Firefighting Pump Control, immersible pump control, firefighting fan control, air-blower control, light distribution control etc. With, control mode directly initiates control, the control of star delta reduced-voltage starting, controlled from lotus root reduced-voltage starting, frequency converter starts control, The various control modes such as soft start control also can be used disconnecting switch, Fuse switch as isolation breakpoint.

As control cabinet widely uses, and disadvantage also emerges therewith, such as existing control cabinet placement indoors, be easy by It is influenced to steam in air so that internal element is corroded, and the mounting bracket structure in control cabinet is fixed so that installation is various When electric elements, because of the depth of control cabinet so that especially bothering for electric elements installation influences the quality of electric elements installation.

Invention content

（One）The technical issues of solution

In view of the deficiencies of the prior art, the present invention provides a kind of electric automatization control cabinet and its operating method, has ventilation The advantages that rack position is convenient for fixing convenient for adjusting and is installed in dehumidifying and the position of mounting bracket, solves existing control cabinet placement Indoors, it is easy to be influenced by steam in air so that internal element is corroded, and the mounting bracket structure in control cabinet is solid It is fixed so that when installing various electric elements, because of the depth of control cabinet so that especially bothering for electric elements installation influences electric appliance The problem of quality of element installation.

（Two）Technical solution

It is convenient for fixed purpose, the present invention to realize the position of above-mentioned ventilation drying and mounting bracket convenient for adjusting and installing rack position It provides the following technical solutions：A kind of electric automatization control cabinet and its operating method, including babinet, the bottom end of the box house It is installed with pedestal, ventilation hole is offered at the top of the pedestal, the left and right sides of the babinet offers exhaust outlet, institute The bottom for stating pedestal is installed with suction ventilator, and the left and right sides of the babinet offers the air inlet below exhaust outlet Mouthful, demarcation strip is fixedly mounted in the bottom of the cabinet wall, and the quantity of the demarcation strip is two, the top of the demarcation strip with The bottom of pedestal is fixedly connected, and the left and right sides in the middle part of the demarcation strip offers link slot, and the middle part of the demarcation strip is lived Dynamic to be socketed with activated charcoal strainer, the front of the activated charcoal strainer is installed with handle, and the quantity of the handle is two A, the left and right sides of the activated charcoal strainer is installed with fixed block, the outer surface of the fixed block and link slot Internal activity is socketed, and the inside of the link slot is installed with locating piece, and the front of the fixed block offers locating slot, institute The internal activity at the top and locating slot of stating locating piece is socketed, and the inside of the demarcation strip offers lock chamber, the lock chamber Quantity be four, four lock chambers are evenly distributed on the both sides up and down of two link slots, and the front of the demarcation strip is opened Equipped with the shifting chute above lock chamber, the inside of the lock chamber is installed with sliding bar, the appearance of the sliding bar Face movable sleeve is connected to fixed spring, and the side of the outer surface pivot bush unit sliding block of the sliding bar, the sliding block passes through fixed bullet The inner wall of spring and lock chamber is sequentially connected, and the front of two sliding blocks is installed with locating rod, the both ends of the locating rod By shifting chute and the outside of demarcation strip is extended to, the both ends of the base top are installed with backing plate, the babinet The top of inner wall and the top of backing plate are installed with sliding rail, pass through sliding rail at the top of the top of the cabinet wall and backing plate It is connected with mounting bracket, the bottom of the mounting bracket is installed with movable block, and the middle part screw thread of the movable block is socketed with One end movable sleeve of threaded rod, the threaded rod is connected to connector, and the other side of the connector and the inner wall of babinet, which are fixed, to be connected It connects, the other end movable sleeve of the threaded rod is connected to fixed plate, is fixedly connected at the top of the bottom of the fixed plate and pedestal, institute The left and right sides for stating movable block is installed with connecting rod, and the other end of the connecting rod is installed with connection ring.

Preferably, the positioning plate being installed at the top of the pedestal between two backing plates, the positioning plate Quantity is two, and the side movable sleeve of the positioning plate is connected to adjusting rod, and the other end pivot bush unit of the adjusting rod has limit Plate is fixedly connected at the top of the top of the limiting plate and pedestal.

Preferably, the outer surface fixing sleeve of the adjusting rod is connected to fixed ring, and the outer surface of the fixed ring is fixedly connected There are link block, the other side of the link block to be installed with cylinder.

Preferably, the inside of the cylinder is installed with retaining spring, and the internal activity of the cylinder, which is socketed with, to be located at The bottom of circular arc block above retaining spring, the circular arc block is connected by the bottom driving of retaining spring and cylinder inner wall, institute The top for stating cylinder is socketed by circular arc block and the internal activity of connection ring.

Preferably, the activated charcoal strainer is contacted by locating rod with fixed block, and fixed block is made to be stuck in link slot, is moved Dynamic locating rod so that the sliding block at locating rod both ends moves on sliding bar, to be detached from fixed block, convenient for removing activated carbon filtering Net is replaced.

Preferably, when the connection ring is with cylinders contact, under the action of retaining spring, circular arc block is made to be moved to outside cylinder It is dynamic, to be stuck in connection ring so that the position of movable block is fixed.

The electric automatization control cabinet and its operating method are as follows, the first step：Suction ventilator automatic running drives air-flow stream It is dynamic, so that air-flow is entered from air inlet, and by activated charcoal strainer and ventilation hole, is finally exported from exhaust outlet；

Second step：Rotating threaded rod makes movable block be displaced outwardly with the rotation of threaded rod, to drive mounting bracket to be moved out It is dynamic, so that mounting bracket is moved to the outermost of babinet, consequently facilitating installation electrical equipment；

Third walks：Mounting bracket is adjusted into the most the inside to babinet, later rotation adjusting lever so that the cylinder on link block and movement Connection ring contact on block, to the position of fixed movable block, and defines the position of mounting bracket.

（Three）Advantageous effect

Compared with prior art, the present invention provides a kind of electric automatization control cabinet and its operating methods, have following beneficial Effect：

1, the electric automatization control cabinet and its operating method, by suction ventilator so that the air-flow of box house is convenient for circulating, from And activated charcoal strainer is caused air flow through, the steam in air is removed, and activated charcoal strainer is connect by fixed block and locating rod It touches, to the position of fixed activated charcoal strainer, cooperation fixed spring acts on sliding block, and sliding block is made to be moved on sliding bar, from And the position of locating rod is adjusted, it is replaced convenient for removing activated charcoal strainer, has the function that ventilation drying.

2, the electric automatization control cabinet and its operating method, by sliding rail so that mounting bracket is easy to remove, and threaded rod The movable block of mounting bracket bottom is acted on, fit connection and fixed plate support threaded rod so that adjust and move by threaded rod The position of block avoids distance of the mounting bracket in babinet too deep to adjust the position of mounting bracket, can not specifically install electrical Element.

3, the electric automatization control cabinet and its operating method adjust the position of cylinder by adjusting rod so that in cylinder Circular arc block contacted with connection ring, and so that circular arc block is secured firmly to inside connection ring under the action of retaining spring, to solid Determine the position of connection ring so that the position of the mounting bracket on movable block is fixed, and mounting bracket is avoided to influence other electrical members in babinet The installation of part, has the function that fixing and mounting bracket.

Description of the drawings

Fig. 1 is schematic structural view of the invention；

Fig. 2 is the interior view of structure of the invention Fig. 1；

Fig. 3 is the side view of structure of the invention Fig. 1；

Fig. 4 is the side view of structure of the invention demarcation strip；

Fig. 5 is the vertical view of structure of the invention pedestal.

In figure：1, babinet；2, ventilation hole；3, exhaust outlet；4, suction ventilator；5, air inlet；6, demarcation strip；7, link slot；8, Activated charcoal strainer；9, handle；10, fixed block；11, locating piece；12, locating slot；13, lock chamber；14, shifting chute；15, it slides Bar；16, fixed spring；17, sliding block；18, locating rod；19, pedestal；20, backing plate；21, sliding rail；22, mounting bracket；23, movable block； 24, threaded rod；25, connector；26, fixed plate；27, connecting rod；28, connection ring；29, positioning plate；30, adjusting rod；31, it limits Plate；32, fixed ring；33, link block；34, cylinder；35, retaining spring；36, circular arc block.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Please refer to Fig.1-5, a kind of electric automatization control cabinet and its operating method, including babinet 1, the bottom inside babinet 1 End is installed with pedestal 19, and the top of pedestal 19 offers ventilation hole 2, and the left and right sides of babinet 1 offers exhaust outlet 3, The bottom of pedestal 19 is installed with suction ventilator 4, and the model CY063 of suction ventilator 4, the left and right sides of babinet 1 offers position Demarcation strip 6 is fixedly mounted in the bottom of air inlet 5 in 3 lower section of exhaust outlet, 1 inner wall of babinet, and the quantity of demarcation strip 6 is two, point The top of partition board 6 is fixedly connected with the bottom of pedestal 19, and the left and right sides at 6 middle part of demarcation strip offers link slot 7, demarcation strip The 6 active charcoal filter screen 8 of middle part pivot bush unit, the front of activated charcoal strainer 8 are installed with handle 9, the quantity of handle 9 It it is two, the left and right sides of activated charcoal strainer 8 is installed with fixed block 10, outer surface and the link slot 7 of fixed block 10 Internal activity socket, the inside of link slot 7 is installed with locating piece 11, and the front of fixed block 10 offers locating slot 12, The top of locating piece 11 is socketed with the internal activity of locating slot 12, and the inside of demarcation strip 6 offers lock chamber 13, lock chamber 13 Quantity is four, and four lock chambers 13 are evenly distributed on the both sides up and down of two link slots 7, and the front of demarcation strip 6 offers position The inside of shifting chute 14 above lock chamber 13, lock chamber 13 is installed with sliding bar 15, and the outer surface of sliding bar 15 is lived Dynamic to be socketed with fixed spring 16, the outer surface pivot bush unit sliding block 17 of sliding bar 15, the side of sliding block 17 passes through fixed spring 16 It is sequentially connected with the inner wall of lock chamber 13, the front of two sliding blocks 17 is installed with locating rod 18, and the both ends of locating rod 18 are equal By shifting chute 14 and the outside of demarcation strip 6 is extended to, by suction ventilator 4 so that the air-flow inside babinet 1 is convenient for circulation, thus Activated charcoal strainer 8 is caused air flow through, the steam in air is removed, and activated charcoal strainer 8 passes through fixed block 10 and locating rod 18 contacts, to the position of fixed activated charcoal strainer 8, cooperation fixed spring 16 acts on sliding block 17, and sliding block 17 is made to slide It is moved on bar 15, to adjust the position of locating rod 18, is replaced convenient for removing activated charcoal strainer 8, reach ventilation drying Effect, the both ends at the top of pedestal 19 are installed with backing plate 20, and the top of 1 inner wall of babinet and the top of backing plate 20 are fixed Sliding rail 21 is installed, the top of 1 inner wall of babinet and the top of backing plate 20 are connected with mounting bracket 22, mounting bracket by sliding rail 21 22 bottom is installed with movable block 23, and the middle part screw thread of movable block 23 is socketed with threaded rod 24, and one end of threaded rod 24 is lived Dynamic to be socketed with connector 25, the other side of connector 25 is fixedly connected with the inner wall of babinet 1, the other end movable sleeve of threaded rod 24 It is connected to fixed plate 26, the bottom of fixed plate 26 is fixedly connected with the top of pedestal 19, by sliding rail 21 so that mounting bracket 22 is convenient for It is mobile, and threaded rod 24 acts on the movable block 23 of 22 bottom of mounting bracket, fit connection 25 and fixed plate 26 support threaded rod 24 so that the position that movable block 23 is adjusted by threaded rod 24 avoids mounting bracket 22 in case to adjust the position of mounting bracket 22 Distance in body 1 is too deep, can not specifically install electrical equipment, and the left and right sides of movable block 23 is installed with connecting rod 27, the other end of connecting rod 27 is installed with connection ring 28, the top of pedestal 19 be installed with positioned at two backing plates 20 it Between positioning plate 29, the quantity of positioning plate 29 is two, and the side movable sleeve of positioning plate 29 is connected to adjusting rod 30, adjusting rod 30 Other end pivot bush unit has limiting plate 31, the top of limiting plate 31 to be fixedly connected with the top of pedestal 19, the appearance of adjusting rod 30 Face fixing sleeve is connected to fixed ring 32, and the outer surface of fixed ring 32 is fixedly connected with link block 33, and the other side of link block 33 is fixed Cylinder 34 is installed, the inside of cylinder 34 is installed with retaining spring 35, and the internal activity of cylinder 34 is socketed with positioned at positioning The circular arc block 36 of 35 top of spring, the bottom of circular arc block 36 are connect by retaining spring 35 with the bottom driving of 34 inner wall of cylinder, The top of cylinder 34 is socketed by circular arc block 36 and the internal activity of connection ring 28, and the position of cylinder 34 is adjusted by adjusting rod 30 It sets so that the circular arc block 36 in cylinder 34 is contacted with connection ring 28, and makes circular arc block 36 firmly under the action of retaining spring 35 It being fixed on inside connection ring 28, to be fixedly connected with the position of ring 28 so that the position of the mounting bracket 22 on movable block 23 is fixed, It avoids mounting bracket 22 from influencing the installation of other electrical equipments in babinet 1, has the function that fixing and mounting bracket 22, it is described electrical automatic Change control cabinet and its operating method is as follows, the first step：4 automatic running of suction ventilator drive air-flow flowing, make air-flow from air inlet 5 into Enter, and by activated charcoal strainer 8 and ventilation hole 2, is finally exported from exhaust outlet 3；Second step：Rotating threaded rod 24, makes movement Block 23 is displaced outwardly with the rotation of threaded rod 24, to drive mounting bracket 22 to be displaced outwardly, mounting bracket 22 is made to be moved to case The outermost of body 1, consequently facilitating installation electrical equipment；Third walks：Mounting bracket 22 is adjusted into the most the inside to babinet 1, Zhi Houxuan Modulation pole 30 so that the cylinder 34 on link block 33 is contacted with the connection ring 28 on movable block 23, to fixed movable block 23 Position, and define the position of mounting bracket 22, activated charcoal strainer 8 is contacted by locating rod 18 with fixed block 10, and fixation is made Block 10 is stuck in link slot 7, running fix bar 18 so that and the sliding block 17 at 18 both ends of locating rod moves on sliding bar 15, to It is detached from fixed block 10, is replaced convenient for removing activated charcoal strainer 8, when connection ring 28 is contacted with cylinder 34, in retaining spring Under the action of 35, circular arc block 36 is made to be moved to outside cylinder 34, to be stuck in connection ring 28 so that the position of movable block 23 is solid It is fixed, cooperation through the above structure so that the device has the position of ventilation drying and mounting bracket 22 convenient for adjusting and installing The advantages that 22 position of frame is convenient for fixing solves existing control cabinet placement indoors, is easy to be influenced by steam in air, make It obtains internal element to be corroded, and 22 structure of mounting bracket in control cabinet is fixed so that when installing various electric elements, because of control The depth of case so that especially troublesome, the problem of influencing the quality of electric elements installation of electric elements installation.

In conclusion the electric automatization control cabinet and its operating method, make the gas inside babinet 1 by suction ventilator 4 Stream is convenient for circulation, to cause air flow through activated charcoal strainer 8, removes the steam in air, and activated charcoal strainer 8 passes through admittedly Determine block 10 to contact with locating rod 18, to the position of fixed activated charcoal strainer 8, cooperation fixed spring 16 acts on sliding block 17, So that sliding block 17 is moved on sliding bar 15, to adjust the position of locating rod 18, is carried out more convenient for removing activated charcoal strainer 8 It changes, has the function that ventilation drying；By sliding rail 21 so that mounting bracket 22 is easy to remove, and threaded rod 24 acts on mounting bracket 22 The movable block 23 of bottom, fit connection 25 and fixed plate 26 support threaded rod 24 so that adjust movable block by threaded rod 24 23 position avoids distance of the mounting bracket 22 in babinet 1 too deep, can not specifically pacify to adjust the position of mounting bracket 22 Fill electrical equipment；The position of cylinder 34 is adjusted by adjusting rod 30 so that the circular arc block 36 in cylinder 34 is contacted with connection ring 28, And so that circular arc block 36 is secured firmly to inside connection ring 28 under the action of retaining spring 35, to be fixedly connected with the position of ring 28 It sets so that the position of the mounting bracket 22 on movable block 23 is fixed, and mounting bracket is avoided to influence the peace of other electrical equipments in babinet 1 Dress, has the function that fixing and mounting bracket 22；It solves existing control cabinet placement indoors, is easy by steam shadow in air It rings so that internal element is corroded, and 22 structure of mounting bracket in control cabinet is fixed so that when various electric elements are installed, Because of the depth of control cabinet so that especially troublesome, the problem of influencing the quality of electric elements installation of electric elements installation.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of electric automatization control cabinet, including babinet（1）, it is characterised in that：The babinet（1）Peace is fixed in internal bottom end Equipped with pedestal（19）, the pedestal（19）Top offer ventilation hole（2）, the babinet（1）The left and right sides offer Exhaust outlet（3）, the pedestal（19）Bottom be installed with suction ventilator（4）, the babinet（1）The left and right sides offer Positioned at exhaust outlet（3）The air inlet of lower section（5）, the babinet（1）Demarcation strip is fixedly mounted in the bottom of inner wall（6）, the separation Plate（6）Quantity be two, the demarcation strip（6）Top and pedestal（19）Bottom be fixedly connected, the demarcation strip（6）In The left and right sides in portion offers link slot（7）, the demarcation strip（6）The active charcoal filter screen of middle part pivot bush unit（8）, institute State activated charcoal strainer（8）Front be installed with handle（9）, the handle（9）Quantity be two, the activated carbon mistake Strainer（8）The left and right sides be installed with fixed block（10）, the fixed block（10）Outer surface and link slot（7）It is interior Portion's pivot bush unit, the link slot（7）Inside be installed with locating piece（11）, the fixed block（10）Front offer Locating slot（12）, the locating piece（11）Top and locating slot（12）Internal activity socket, the demarcation strip（6）Inside Offer lock chamber（13）, the lock chamber（13）Quantity be four, four lock chambers（13）It is evenly distributed on two Link slot（7）Both sides up and down, the demarcation strip（6）Front offer positioned at lock chamber（13）The shifting chute of top（14）, The lock chamber（13）Inside be installed with sliding bar（15）, the sliding bar（15）Outer surface movable sleeve be connected to fixation Spring（16）, the sliding bar（15）Outer surface pivot bush unit sliding block（17）, the sliding block（17）Side pass through fixed bullet Spring（16）With lock chamber（13）Inner wall be sequentially connected, two sliding blocks（17）Front be installed with locating rod（18）, The locating rod（18）Both ends pass through shifting chute（14）And extend to demarcation strip（6）Outside, the pedestal（19）Top Both ends be installed with backing plate（20）, the babinet（1）The top of inner wall and backing plate（20）Top be installed with Sliding rail（21）, the babinet（1）The top of inner wall and backing plate（20）Top pass through sliding rail（21）It is connected with mounting bracket （22）, the mounting bracket（22）Bottom be installed with movable block（23）, the movable block（23）Middle part screw thread be socketed with Threaded rod（24）, the threaded rod（24）One end movable sleeve be connected to connector（25）, the connector（25）The other side with Babinet（1）Inner wall be fixedly connected, the threaded rod（24）Other end movable sleeve be connected to fixed plate（26）, the fixed plate （26）Bottom and pedestal（19）Top be fixedly connected, the movable block（23）The left and right sides be installed with connecting rod （27）, the connecting rod（27）The other end be installed with connection ring（28）.

2. a kind of electric automatization control cabinet according to claim 1, it is characterised in that：The pedestal（19）Top it is solid Dingan County, which is equipped with, is located at two backing plates（20）Between positioning plate（29）, the positioning plate（29）Quantity be two, the positioning Plate（29）Side movable sleeve be connected to adjusting rod（30）, the adjusting rod（30）Other end pivot bush unit have limiting plate（31）, The limiting plate（31）Top and pedestal（19）Top be fixedly connected.

3. a kind of electric automatization control cabinet according to claim 2, it is characterised in that：The adjusting rod（30）Appearance Face fixing sleeve is connected to fixed ring（32）, the fixed ring（32）Outer surface be fixedly connected with link block（33）, the link block （33）The other side be installed with cylinder（34）.

4. a kind of electric automatization control cabinet according to claim 3, it is characterised in that：The cylinder（34）Inside it is solid Dingan County is equipped with retaining spring（35）, the cylinder（34）Internal activity be socketed with positioned at retaining spring（35）The circular arc block of top （36）, the circular arc block（36）Bottom pass through retaining spring（35）With cylinder（34）The bottom driving of inner wall connects, the circle Cylinder（34）Top pass through circular arc block（36）With connection ring（28）Internal activity socket.

5. a kind of electric automatization control cabinet according to claim 1, it is characterised in that：The activated charcoal strainer（8） Pass through locating rod（18）With fixed block（10）Contact, makes fixed block（10）It is stuck in link slot（7）It is interior, running fix bar（18）, make Obtain locating rod（18）The sliding block at both ends（17）It is moved on sliding bar 15, to be detached from fixed block（10）, convenient for removing activated carbon Filter screen（8）It is replaced.

6. a kind of electric automatization control cabinet according to claim 1, it is characterised in that：The connection ring（28）With cylinder （34）When contact, in retaining spring（35）Under the action of, make circular arc block（36）To cylinder（34）Outer movement, to be stuck in connection ring （28）It is interior so that movable block（23）Position fix.

7. a kind of operating method of electric automatization control cabinet according to claim 1, it is characterised in that according to the following steps It carries out：The first step：Suction ventilator（4）Automatic running drives air-flow flowing, makes air-flow from air inlet（5）Into, and pass through activated carbon Filter screen（8）And ventilation hole（2）, finally from exhaust outlet（3）Export；

Second step：Rotating threaded rod（24）, make movable block（23）With threaded rod（24）Rotation and be displaced outwardly, to drive Mounting bracket（22）It is displaced outwardly, makes mounting bracket（22）It is moved to babinet（1）Outermost, consequently facilitating installation electrical equipment；

Third walks：By mounting bracket（22）Adjust babinet（1）Most the inside, rotation adjusting lever later（30）So that link block （33）On cylinder（34）With movable block（23）On connection ring（28）Contact, to fixed movable block（23）Position, and limit Mounting bracket is determined（22）Position.