CN201278438Y

CN201278438Y - Shunt switching functional unit for extraction type switch cabinet

Info

Publication number: CN201278438Y
Application number: CNU2008201602060U
Authority: CN
Inventors: 莫耀焕
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-12
Filing date: 2008-09-12
Publication date: 2009-07-22
Anticipated expiration: 2018-09-12

Abstract

The utility model discloses a shunt circuit switching functional unit for a drawout switch cabinet, which is provided with a power distributor and at least two drawers, wherein the power distributor is connected with the drawers in an oppositely plugging way through a plug; the plug consists of a plug fixed mount, paired plug sheets, a spring plate and a fixed pin; the plug sheets are fixed with the plug fixed mount through the fixed pin; the spring plate is arranged between the plug sheets and the plug fixed mount to tightly press the plug sheets; the front ends of the drawers are respectively provided with a drawer feeding mechanism which comprises a precession mechanism and a three-position locking mechanism; the precession mechanism comprises a driving auger installed on a base plate of the drawer through a bracket and a grooved locating piece which is coincided with the driving auger to push the drawer to move and is installed on a cabinet body layer plate; and the three electrical connection states of separation, test and connection between the drawers and the power distributor can be realized by locating the three positions in the process of moving the drawers. The utility model has the advantages of reasonable structure, reliable connection, good exchangeability and strong commonality.

Description

Draw out switchgear cabinet signaling transfer point unit along separate routes

Technical field

The utility model relates to the low pressure draw out switchgear, and especially a kind of low pressure draw out switchgear cabinet that is used for becomes a plurality of junior units with a unit separation, is applicable to the shunt signaling transfer point unit of the power supply unit use of less electric current.

Background technology

The low pressure draw out switchgear at home and abroad is used widely, functional unit wherein is the core of equipment, the reasonability of its structure technology and advanced most important to the reliability service of equipment, the present functional unit of extensive use at home, though overall structure is comparatively reasonable, but wherein three of electric power source distribution device main circuit plug constructions are also unreasonable, be mainly reflected in the installation requirement height, no oscillation adjustment amount about plug, can only rely on the precision when making to guarantee the reliability that plug and vertical bus patch, manufacturing firm is difficult to guarantee, the structure operation of drawer is just indoor with the disposable propulsion unit of drawer in addition, one secondary plug is when connection status, be to rely on switch interlocking device device to carry out the conversion of electric three positions, fail to embody the function of three positions of machinery, an inlet wire does not have tangible cut-off point when being test position, system is used for the functional unit of CT control loop, when electric Position Control contact is changed, to carry out the contact conversion with electric component, taken installing space more, and the drawer structure installing space of the functional unit of this purposes is little, electric power source distribution device is taken depth dimensions very big restriction is arranged, because the electric power source distribution device circuit is close, the space is little, satisfy simultaneously electric installation code requirement again, to avoid the electric fault that causes because of unreasonable structure, so structural design there is higher difficulty.

Domestic a lot of auxiliary manufactory was designing this functional cell technique in recent years in succession at present, but the depth dimensions of electric power source distribution device is generally too big, taken the installing space of drawer, effective installing space of device is less, have only cabinet to deepen and to meet the demands, increased manufacturing cost, the drawer part does not all have three position mechanically-propelled interlocking devices simultaneously, and has only single interlocking device.

The utility model content

The purpose of this utility model is: overcome the deficiencies in the prior art, a kind of draw out switchgear cabinet signaling transfer point unit along separate routes is provided, signaling transfer point cellular construction compactness is attractive in appearance, rationally distributed along separate routes for this, the machinery three position propulsion interlocking mechanisms that drawer adopts, can effectively realize the conversion of electric three positions, prevent to produce misoperation, the improvement of plug construction has improved and has been electrically connected performance, effective installing space of device is guaranteed in the reasonable cooperation of drawer structure and electric power source distribution device structure.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of draw out switchgear cabinet signaling transfer point unit along separate routes, have electric power source distribution device and at least two drawers, electric power source distribution device is connected inserting by plug with drawer, plug wherein is by the plug fixed mount, paired plug blades, spring leaf and steady pin are formed, plug blades is fixed by steady pin and plug fixed mount, spring leaf is arranged between plug blades and the plug fixed mount and compresses plug blades, drawer front end place is provided with the drawer propulsive mechanism, the drawer propulsive mechanism comprises precession mechanism and three position locking mechanisms, precession mechanism urges drawer moves in cabinet, when drawer arrives each assigned address successively, three position locking mechanisms locking precession mechanism, realize separating between drawer and the electric power source distribution device, test and connect three kinds and being electrically connected state, precession mechanism comprises the flute profile keeper on the cabinet laminate of being installed in that is installed in the drving sprial on the drawer-bottom board and coincide and promote that drawer moves with drving sprial by support.

Particularly, plug is divided into the main circuit plug that is arranged on the electric power source distribution device and is arranged on the once moving plug at the drawer back side, the used plug blades of plug is an one chip or stacked, be provided with the main circuit plug at the electric power source distribution device reverse side, the front is provided with leading-in socket, output socket and secondary static socket, also be provided with outlet terminal and secondary outlet terminal on the electric power source distribution device, the main circuit plug patches with vertical bus and is connected, the main circuit plug is connected with leading-in socket by the inlet wire copper bar, output socket is connected with an outlet terminal circuit, and the secondary static socket is connected with secondary outlet terminal circuit.

In order to guarantee the positioning accuracy of drawer, the flute profile keeper that matches with the drawer drving sprial has the skewed slot that three roads are used to control the running fix of drawer straight line, forms the multiposition location, guarantees drawer intensity, prevents its stress deformation.

Smooth and easy for reaching release, reliably, flexible operation, compact conformation, cooperate with precession mechanism better, three used position locking mechanisms adopt following technical scheme: three position locking mechanisms are installed in the support, comprise three location positioning dishes, trip lever and the driving gear set that makes the interlock of three location positioning dishes and drving sprial, has the back-moving spring of separating locked groove and trip lever being resetted on the trip lever, has location notch on the three location positioning dishes, when drawer need advance, make three location positioning dishes embed separating in the locked groove of trip lever by mobile trip lever, release three location positioning dishes, when drawer was advanced to assigned address, trip lever resetted under the effect of back-moving spring, snap in the location notch on the three location positioning dishes, lock three location positioning dishes.

Furtherly, driving gear set comprises first travelling gear, second travelling gear, the 3rd travelling gear and the 4th travelling gear, first travelling gear and drving sprial coaxial rotation, second travelling gear and the 3rd travelling gear coaxial rotation, the 4th travelling gear and three location positioning dish coaxial rotation, first travelling gear and the second travelling gear engaged transmission, the 3rd travelling gear and the 4th travelling gear engaged transmission, first travelling gear wherein and drving sprial have the rocking handle operating axis by the drive sleeve transmission in drive sleeve.

Current state during for display operation is coaxially installed with the position display dish that shows three kinds of location statuss of drawer on the three location positioning dishes, the position display dish is marked with the literal that indicates location status.

Drawer panel is provided with operation indication panel and switching manipulation handle simultaneously, the operation indication panel is provided with position display window, propulsive mechanism handle hole and location solution cage knob, the position display window cooperates with the position display dish, show current location status, the location solution cage knob is installed in the end of the trip lever that stretches out the operation indication panel.

For guarantee that drawer could move under outage condition, on the propulsive mechanism of drawer, also be provided with combined floodgate interlocking device and position controlling switch.

The beneficial effects of the utility model are, the plug construction that the utility model adopted, is offset about the plug frame can produce when plug is inconsistent at stressed contact point and bus center because its each layer plug frame is all independent relatively, thereby the deviation at correction and bus center guarantees that contact is reliable; Adopted drving sprial and flute profile keeper that drawer is carried out straight-line location on the propulsive mechanism of drawer, it can guarantee drawer when link position and major-minor circuit bus patch in the process, do not produce crooked when drawer is subjected to propulsive thrust, assurance drawer and electric power source distribution device are close to no gap, also guaranteed the operation degree of protection of switch cubicle, machinery three location positioning guarantee that drawer is separating, all has lock function when test and link position, an inlet wire has tangible cut-off point during test position, flexible operation, can effectively prevent the generation of accident, the form of drawer structure is convenient to device mounting.The utility model is rational in infrastructure, connects reliably, and interchangeability is good, highly versatile.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the structural representation of the utility model functional unit.

Fig. 2 is the structural representation of facing of the used electric power source distribution device of the utility model.

Fig. 3 is the backsight structural representation of the used electric power source distribution device of the utility model.

Fig. 4 is the last vertical view of interconnecting device along separate routes of the used electric power source distribution device of the utility model.

Fig. 5 is the last rearview of interconnecting device along separate routes of the used electric power source distribution device of the utility model.

Fig. 6 is the structural representation of main circuit plug on the used electric power source distribution device of the utility model.

Fig. 7 is the view that the used electric power source distribution device of the utility model is installed on the functional unit chamber.

Fig. 8 is the used drawer unit internal structure of a utility model schematic diagram.

Fig. 9 is the used drawer panel structural representation of the utility model.

Figure 10 is the front view of propulsive mechanism on the used drawer of the utility model.

Figure 11 is the right view of propulsive mechanism on the used drawer of the utility model.

Figure 12 is the left view of propulsive mechanism on the used drawer of the utility model.

Figure 13 is the left oblique view of propulsive mechanism on the used drawer of the utility model.

Figure 14 is the lock-out state figure of propulsive mechanism display separation when the separation point position on the utility model drawer.

Figure 15 is the lock-out state figure that propulsive mechanism shows test on the utility model drawer when test position.

Figure 16 is that propulsive mechanism shows the lock-out state figure that connects on the utility model drawer when link position.

Figure 17 is the operation chart that propulsive mechanism is pushed trip lever on the used drawer of the utility model.

Figure 18 is the switch gate-dividing state figure of the combined floodgate interlocking device in the used drawer of the utility model.

Figure 19 is the switch "on" position figure of the combined floodgate interlocking device in the used drawer of the utility model.

Figure 20 is the view of drawer unit when being in separation, test, link position in cabinet.

Figure 21 is that 1/4 back outlet functional unit (36 loop) is faced structural representation.

Figure 22 is the structural representation of the utility model 1/4 side outlet functional unit.

Figure 23 is that 1/4 side outlet functional unit (36 loop) is faced structural representation.

Figure 24 is the element cell structural representation that the utility model electric power source distribution device is installed on 1/2 drawer unit.

Figure 25 is the structural representation of 1/2 functional unit.

Figure 26 is that 1/4,1/2 functional unit drawer loads in mixture and faces structural representation.

A. A1. A2. A21.A211. A212. A213. A214.A22. A23. A24. A3.A4. A5. A6. B. B1.B2. B3. B4. B5.B6. B7. B8. B8-1. B8-2.B8-3. B8-4. B8-4.1. B8-5.B8-6. B8-7. B8-8.B8-9. B8-9.1 B8-10. B8-11.B8-11.1 B8-12. B8-13. B8-14.B8-15. B8-16. B8-17. B8-18.B9. B10.

Embodiment

As shown in Figure 1 be a kind of embodiment of the present utility model, it is 1/4 back outlet functional unit, have electric power source distribution device A and four drawer B, electric power source distribution device A is connected inserting by plug with drawer B, Fig. 2～shown in Figure 7 is the structural representation of electric power source distribution device A, be fixed with once shunt interconnecting device A2 and behind the fixed mount of electric power source distribution device A on the plate A1, secondary outlet terminal A3, A4, be fixed with four road secondary static socket A6 on the fixed mount header board A5, once along separate routes the back side of interconnecting device A2 be provided with main circuit plug A21, as shown in Figure 6, by plug fixed mount A211, paired plug blades A212, spring leaf A213 and steady pin A214 form, plug blades A212 fixes by steady pin A214 and plug fixed mount A211, spring leaf A213 is arranged between plug blades A212 and the plug fixed mount A211 and compresses plug blades A212, the front is provided with leading-in socket A22 and output socket A23, main circuit plug A21 patches with vertical bus and is connected, form three-phase master incoming power, main circuit plug A21 is connected with leading-in socket A22 by inlet wire copper bar A24, output socket A23 is connected with an outlet terminal A3 circuit, and secondary static socket A6 is connected with secondary outlet terminal A4 circuit.

As Fig. 8 and drawer B structure shown in Figure 9, adopt the aluminium alloy guide rail to do base plate, the rear portion is provided with mounting panel, panel and aluminium alloy guide rail are fixed, cabinet laminate B8-15 is provided with the guide rail that moves for drawer B location, mounting panel is provided with once moving plug B1 and the moving plug B2 of secondary, once moving plug B1 adopts and the identical structure of main circuit plug A21, once moving plug B1 is connected inserting with leading-in socket A22, the moving plug B2 of secondary is connected inserting with secondary static socket A6, drawer B panel is provided with operation indication panel B3 and switching manipulation handle B4, operation indication panel B3 is provided with position display window B5, handle hole B6 of mechanism and location solution cage knob B7, drawer B front end place is provided with drawer B propulsive mechanism B8, and propulsive mechanism B8 is provided with B9 of combined floodgate interlocking device and position controlling switch B10 simultaneously.

Propulsive mechanism B8 such as Figure 10～shown in Figure 13, comprise precession mechanism and three position locking mechanisms, precession mechanism urges drawer B moves in cabinet, when drawer B arrives each assigned address successively, three position locking mechanisms locking precession mechanism, realize separating between drawer B and the electric power source distribution device A, test and connect three kinds and be electrically connected state, precession mechanism comprises by support B8-2 and is installed in the drving sprial B8-1 on the drawer-bottom board and is installed in flute profile keeper B8-3 on the cabinet laminate B8-15 with drving sprial B8-1 coincide to promote that drawer B moves, the flute profile keeper B8-3 that matches with drving sprial B8-1 in the present embodiment has the skewed slot that three roads are used to control the running fix of drawer B straight line, formation multiposition location, guarantee drawer B intensity, prevent its stress deformation, three position locking mechanisms are installed in the support B8-2, comprise three location positioning dish B8-9, trip lever B8-11 and the driving gear set that makes three location positioning dish B8-9 and drving sprial B8-1 interlock, be coaxially installed with the position display dish B8-10 that shows three kinds of location statuss of drawer B on the three location positioning dish B8-9, position display dish B8-10 is marked with the literal that indicates location status, is installed in outside the support B8-2.Driving gear set comprises the first travelling gear B8-5, the second travelling gear B8-6, the 3rd travelling gear B8-7 and the 4th travelling gear B8-8, the first travelling gear B8-5 and drving sprial B8-1 coaxial rotation, the second travelling gear B8-6 and the 3rd travelling gear B8-7 coaxial rotation, the 4th travelling gear B8-8 and three location positioning dish B8-9 coaxial rotation, the first travelling gear B8-5 and the second travelling gear B8-6 engaged transmission, the 3rd travelling gear B8-7 and the 4th travelling gear B8-8 engaged transmission, first coaxial travelling gear B8-5 and drving sprial B8-1 are by drive sleeve B8-4 transmission, in drive sleeve B8-4, has rocking handle operating axis B8-4.1, has the back-moving spring B8-12 that separates locked groove B8-11.1 and trip lever B8-11 is resetted on the trip lever B8-11, location solution cage knob B7 is installed in the end of trip lever B8-11, handled easily, has location notch B8-9.1 on the three location positioning dish B8-9, when drawer B need advance, mobile trip lever B8-11 makes three location positioning dish B8-9 embed separating in the locked groove B8-11.1 of trip lever B8-11, release three location positioning dish B8-9, when drawer B is advanced to assigned address, trip lever B8-11 resets under the effect of back-moving spring B8-12, snap in the location notch B8-9.1 on the three location positioning dish B8-9, lock three location positioning dish B8-9.As shown in figure 12, back-moving spring B8-12 is installed on the trip lever B8-11 by support B8-2 and spacer pin B8-14, and switch push rod B8-13 is installed on trip lever B8-11, acts on position controlling switch B10.

The operating process of propulsive mechanism machinery three location positioning is as follows: as shown in figure 14, when operation, the wind (not shown) is inserted in the rocking handle operating axis B8-4.1 by the handle hole B6 of mechanism, drawer B pushes cabinet, the corresponding embedding of guide rail on the guide rail of drawer B bottom and the cabinet laminate B8-15, with positioning and fixing drawer B, this moment, drawer B was in the separation point position, and position display dish B8-10 shows " separation " printed words by the position display window B5 on the drawer B panel; Shown in Figure 15 and 17, B7 presses trip lever B8-11 by the location solution cage knob, release precession mechanism, shake wind, drving sprial B8-1 rotates, drving sprial B8-1 is under the effect of flute profile keeper B8-3, promoting drawer B moves in cabinet, the second travelling gear B8-6 that drives with its engagement with the coaxial first travelling gear B8-5 of drving sprial B8-1 rotates, the 4th travelling gear B8-8 that rotates simultaneously and drive with its engagement with coaxial the 3rd travelling gear B8-7 of the second travelling gear B8-6 rotates, three location positioning dish B8-9 and position display dish B8-10 and the 4th travelling gear B8-8 coaxial rotation, when drawer B is advanced to test position, trip lever B8-11 is under the effect of back-moving spring B8-12, snap in the interior locking of the location notch B8-9.1 precession mechanism of three location positioning dish B8-9, position display dish B8-10 shows " separation " printed words by the position display window B5 on the drawer panel; As shown in figure 16, operate trip lever B8-11 once more, shake wind, three location positioning dish B8-9 embed trip lever B8-11, release precession mechanism, at this moment unclamp trip lever B8-11, continue to shake wind, drving sprial B8-1 and flute profile keeper B8-3 promote drawer B and move forward, when drawer B arrives link position, position display dish B8-10 shows " connection " printed words by the position display window B5 on the drawer panel, and this moment, trip lever B8-11 snapped in the interior locking of the location notch B8-9.1 precession mechanism of three location positioning dish B8-9 once more, and meanwhile the summit of drving sprial B8-1 is withstood by the plane, summit of flute profile keeper B8-3, also can't make precession mechanism continue to advance drawer B to move forward even operate trip lever B8-11 again, and need withdraw from drawer B the time, only need oppositely shake wind, course of action is same as described above.

Figure 18 and Figure 19 are switch gate-dividing state figure and the switch "on" position figure of the B9 of combined floodgate interlocking device, the lower baffle plate B8-17 of combined floodgate interlock plate B8-16 blocks the rocking handle operating axis B8-4.1 of wind, wind can't enter operation, can not mobile drawer B, the dop B8-18 of combined floodgate interlock plate B8-16 upper end snaps in separating in the locked groove B8-11.1 of trip lever B8-11, make the trip lever B8-11 can't release, switch be in the lock state, and drawer B safety enters normal operation.

Machinery three location statuss of drawer B as shown in figure 20, during the separation point position, main circuit and auxiliary circuit all disconnect, during test position, main circuit disconnects, auxiliary circuit is connected, during link position, main circuit and auxiliary circuit are all connected, functional unit enters running status.

Figure 21 is the structural representation of facing that the utility model 1/4 back outlet drawer unit is applied to 36 loop draw out switchgear cabinets.

Figure 22 is the structural representation of the another kind of embodiment 1/4 side outlet functional unit of the utility model, and its difference with last a kind of embodiment is that first and second shunt outlet terminal A3, A4 are mounted in electric power source distribution device A side but not the back.

Figure 23 is the structural representation of facing that the utility model 1/4 side outlet functional unit is applied to 36 loop draw out switchgear cabinets.

Figure 24 is the element cell structural representation that the third embodiment of the present utility model is used for 1/2 drawer unit, and it has only two drawer A, and Figure 25 is the structural representation of 1/2 functional unit.

Figure 26 is that 1/4,1/2 functional unit drawer mixes and to be applied to the draw out switchgear cabinet and to face structural representation.

The propulsive mechanism B8 that the utility model adopted also has electricity behaviour electrical interlock function, the switch push rod B8-13 that is installed on last position controlling switch B10 of propulsive mechanism B8 and the trip lever B8-11 matches, by release, position controlling switch B10 disconnects, cutting off earlier the functional unit load can mobile drawer B, when drawer B enters test or link position, trip lever B8-11 ejects under the effect of back-moving spring B8-12, position controlling switch B10 energising, electrically operated institution get electric can deciliter console switch operating grip B4, guarantee the removable drawer B of ability after electrically operated institution cuts off load, effectively prevent misoperation, stop the generation of accident.

Claims

1. a draw out switchgear cabinet is with signaling transfer point unit along separate routes, have electric power source distribution device (A) and at least two drawers (B), electric power source distribution device (A) is connected inserting by plug with drawer (B), it is characterized in that: described plug is by plug fixed mount (A211), paired plug blades (A212), spring leaf (A213) and steady pin (A214) are formed, plug blades (A212) is fixing by steady pin (A214) and plug fixed mount (A211), spring leaf (A213) is arranged between plug blades (A212) and the plug fixed mount (A211) and compresses plug blades (A212), drawer (B) front end place is provided with propulsive mechanism (B8), it comprises precession mechanism and three position locking mechanisms, precession mechanism urges drawer (B) moves in cabinet, when drawer (B) arrives each assigned address successively, three position locking mechanisms locking precession mechanism, realize separating between drawer (B) and the electric power source distribution device (A), test and connect three kinds and being electrically connected state, precession mechanism comprise by support (B8-2) be installed on drawer (B) base plate drving sprial (B8-1) and with drving sprial (B8-1) coincide promote drawer (B) mobile be installed in flute profile keeper (B8-3) on the cabinet laminate (B15).

2. draw out switchgear cabinet according to claim 1 signaling transfer point unit along separate routes, it is characterized in that: described plug blades (A212) is one chip or stacked.

3. draw out switchgear cabinet according to claim 1 signaling transfer point unit along separate routes is characterized in that: described plug is divided into the main circuit plug (A21) that is arranged on the electric power source distribution device (A) and is arranged on the once moving plug (B1) at drawer (B) back side.

4. draw out switchgear cabinet according to claim 1 signaling transfer point unit along separate routes, it is characterized in that: described electric power source distribution device (A) reverse side is provided with main circuit plug (A21), the front is provided with leading-in socket (A22), output socket (A23) and secondary static socket (A6), also be provided with an outlet terminal (A3) and secondary outlet terminal (A4) on the electric power source distribution device (A), main circuit plug (A21) patches with vertical bus and is connected, main circuit plug (A21) is connected with leading-in socket (A22) by inlet wire copper bar (A24), output socket (A23) is connected with an outlet terminal (A3) circuit, and secondary static socket (A6) is connected with secondary outlet terminal (A4) circuit.

5. draw out switchgear cabinet according to claim 1 is characterized in that with signaling transfer point unit along separate routes: described flute profile keeper (B8-3) have three roads be used to control the running fix of drawer (B) straight line skewed slot.

6. draw out switchgear cabinet according to claim 1 signaling transfer point unit along separate routes, it is characterized in that: described three position locking mechanisms are installed in the support (B8-2), comprise three location positioning dishes (B8-9), trip lever (B8-11) and the driving gear set that three location positioning dishes (B8-9) and drving sprial (B8-1) are linked, has the back-moving spring (B8-12) of separating locked groove (B8-11.1) and trip lever (B8-11) being resetted on the trip lever (B8-11), has location notch (B8-9.1) on the three location positioning dishes (B8-9), when drawer (B) needs to advance, make three location positioning dishes (B8-9) embed separating in the locked groove (B8-11.1) of trip lever (B8-11) by mobile trip lever (B8-11), release three location positioning dishes (B8-9), when drawer (B) when being advanced to assigned address, trip lever (B8-11) resets under the effect of back-moving spring (B8-12), snap in the location notch (B8-9.1) on the three location positioning dishes (B8-9), lock three location positioning dishes (B8-9).

7. draw out switchgear cabinet according to claim 6 signaling transfer point unit along separate routes, it is characterized in that: described driving gear set comprises first travelling gear (B8-5), second travelling gear (B8-6), the 3rd travelling gear (B8-7) and the 4th travelling gear (B8-8), first travelling gear (B8-5) and drving sprial (B8-1) coaxial rotation, second travelling gear (B8-6) and the 3rd travelling gear (B8-7) coaxial rotation, the 4th travelling gear (B8-8) and three location positioning dish (B8-9) coaxial rotation, first travelling gear (B8-5) and second travelling gear (B8-6) engaged transmission, the 3rd travelling gear (B8-7) and the 4th travelling gear (B8-8) engaged transmission.

8. draw out switchgear cabinet according to claim 7 signaling transfer point unit along separate routes, it is characterized in that: described first travelling gear (B8-5) and drving sprial (B8-1) have rocking handle operating axis (B8-4.1) by drive sleeve (B8-4) transmission in drive sleeve (B8-4).

9. draw out switchgear cabinet according to claim 6 is characterized in that: be coaxially installed with the position display dish (B8-10) that shows three kinds of location statuss of drawer (B) on the described three location positioning dishes (B8-9) with shunt signaling transfer point unit.

10. draw out switchgear cabinet according to claim 1 signaling transfer point unit along separate routes, it is characterized in that: described drawer (B) panel is provided with operation indication panel (B3) and switching manipulation handle (B4), operation indication panel (B3) is provided with position display window (B5), propulsive mechanism handle hole (B6) and location solution cage knob (B7), location solution cage knob (B7) is installed in the end of the trip lever (B8-11) that stretches out operation indication panel (B3), and propulsive mechanism (B8) is provided with combined floodgate interlocking device (B9) and position controlling switch (B10).