CN213633179U

CN213633179U - Transmission equipment for automatically replacing sensitive assembly

Info

Publication number: CN213633179U
Application number: CN202022749332.3U
Authority: CN
Inventors: 黄健; 袁丁; 吴红彦; 夏征
Original assignee: Beijing Htnova Detection Technology Co ltd
Current assignee: Beijing Htnova Detection Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-06
Anticipated expiration: 2030-11-24

Abstract

The utility model provides a transmission equipment for automatic change sensitive subassembly, it includes: the roof, the bottom plate, and a support, a plurality of sensitive subassemblies, the carousel, first motor, the lead screw, screw nut, the lifter plate, the guide bar, integral key shaft and slewing mechanism, the roof passes through the support setting on the bottom plate, the top at the roof is movably set up to the carousel, a plurality of sensitive subassemblies encircle the periphery that sets up at the carousel, first motor sets up at the roof top, the lead screw runs through the roof, lifter plate and screw nut set up between roof and bottom plate with liftable, screw nut sets up in the lifter plate, first motor passes through the lead screw and is connected with screw nut, the vertical setting of guide bar is between bottom plate and roof, the slidable ground cover of lifter plate is established on the guide bar, the integral key shaft runs through the roof, the both ends correspondence of integral key shaft is connected with lifter plate and carousel, slewing mechanism sets up the top at the roof, slewing.

Description

Transmission equipment for automatically replacing sensitive assembly

Technical Field

The utility model relates to a hazardous gas check out test set technical field especially relates to a transmission for automatic change sensitive subassembly.

Background

In the prior art, a quartz glass tube coated with a fluorescent sensitive material (referred to as a sensitive component for short) is generally used in dangerous gas detection instruments such as explosives, toxic gas and the like, and the quartz glass tube is often required to be replaced for several days due to short service life. For users, frequent replacement of sensitive components leads to poor experience of the use of the instrument, inconvenience and high labor intensity of the users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide a transmission equipment that is used for automatic change sensitive subassembly.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a transmission apparatus for automatically replacing a sensitive component, comprising: the device comprises a top plate, a bottom plate, a support, a plurality of sensitive components, a rotary plate for mounting the sensitive components, a first motor, a lead screw nut matched with the lead screw, a lifting plate, a guide rod, a spline shaft and a rotating mechanism, wherein the top plate is arranged on the bottom plate through the support, the rotary plate is movably arranged at the top of the top plate, the plurality of sensitive components are arranged around the periphery of the rotary plate, the first motor is arranged at the top of the top plate, the lead screw penetrates through the top plate, the lifting plate and the lead screw nut are arranged between the top plate and the bottom plate in a lifting way, the lead screw nut is arranged in the lifting plate, the first motor is connected with the lead screw nut through the lead screw, the guide rod is vertically arranged between the bottom plate and the top plate, and the lifting plate is slidably sleeved on the guide rod, the integral key shaft runs through the roof, the both ends of integral key shaft correspond with the lifter plate with the carousel is connected, slewing mechanism sets up the top of roof, slewing mechanism with the spline shaft is connected.

The utility model has the advantages that: the automatic sensitive component replacing device comprises a first motor, a lead screw nut matched with the lead screw, a lifting plate, a guide rod and a spline shaft, and is convenient for assembling a lifting mechanism.

Further, the lifter plate includes: the shaft end limiting block, the first ball bearing and the check ring are arranged at the bottom end of the spline shaft, the bottom butt of the lifting plate is abutted against the bottom end of the spline shaft, the first ball bearing is embedded in the lifting plate, the lifting plate is sleeved with the check ring, and the check ring is sleeved on the spline shaft and abutted against the top end of the lifting plate.

The beneficial effect of adopting the further scheme is that: the setting of axle head stopper, first ball bearing and retaining ring for the integral key shaft can rotate relatively the lifter plate and along with the lifter plate rises and descends, and axle head stopper and retaining ring are used for carrying out down spacing and last spacing to the integral key shaft respectively, and the lifter plate of being convenient for moves the integral key shaft and rises and descend, improves transmission's stability and reliability.

Further, the lifter plate includes: linear bearing and first C type jump ring, linear bearing's inner circle cover is established on the guide bar, linear bearing's outer lane with the lifter plate is connected, first C type jump ring cover is established on the guide bar, first C type jump ring with the linear bearing butt.

The beneficial effect of adopting the further scheme is that: the linear bearing and the first C-shaped clamp spring are arranged, so that the lifting plate can slide along the guide rod conveniently, the friction force between the lifting plate and the guide rod is reduced, and the stability and the reliability of the transmission device are improved.

Further, the rotating mechanism includes: second motor, driving pulley, driven pulley and spline housing, the integral key shaft rotationally with the lifter plate is connected, the spline housing is internal spline structure, the integral key shaft is outer spline structure, the second motor sets up on the roof, driving pulley with the second motor is connected, the spline housing cover is established the outside of integral key shaft, the driven pulley cover is established the outside of spline housing, driving pulley pass through the hold-in range with the driven pulley is connected.

The beneficial effect of adopting the further scheme is that: the second motor, the driving belt wheel, the driven belt wheel and the spline housing are arranged, so that the rotating mechanism is convenient to assemble, the stability and the reliability of the rotating mechanism are improved, and the production cost is reduced.

Further, the first motor and the second motor are servo motors.

The beneficial effect of adopting the further scheme is that: first motor and second motor are servo motor, improve elevating system and slewing mechanism's accurate nature, improve transmission equipment's reliability.

Further, the rotating mechanism includes: the controller is arranged on the bottom plate, the sensor is arranged on the top of the top plate, the coded disc is arranged on the end face of the top end of the driving belt wheel, the sensor and the coded disc are correspondingly arranged, and the sensor, the first motor and the second motor are all connected with the controller.

The beneficial effect of adopting the further scheme is that: due to the arrangement of the controller, the sensor and the coded disc, the rotating mechanism can rotate accurately, the sensitive component can be replaced accurately, the transmission equipment can be controlled automatically, and the stability and the reliability of the transmission equipment can be improved.

Further, the rotating mechanism includes: second ball bearing, second C type jump ring, deep groove ball bearing and rotary hollow shaft, rotary hollow shaft sleeve establishes the spline is sheathe in, the driven pulley cover is established rotary hollow shaft is last, deep groove ball bearing cover is established rotary hollow shaft is last and is inlayed in the roof, second ball bearing and second C type jump ring cover is established rotary hollow shaft is last and is located the bottom of roof, second ball bearing with the bottom butt of roof, second C type jump ring with the second ball bearing butt.

The beneficial effect of adopting the further scheme is that: second ball bearing, second C type jump ring, deep groove ball bearing and the setting of rotatory hollow shaft, the driven pulley of being convenient for is with power transmission to the spline housing to drive the integral key shaft and rotate, reduce the frictional force between spline housing and rotatory hollow shaft and the roof, improve transmission's stability and reliability.

Further, the spline housing, the rotary hollow shaft and the driven pulley are connected through screws and jackscrews.

The beneficial effect of adopting the further scheme is that: the spline housing, the rotary hollow shaft and the driven belt wheel are connected through the screws and the jackscrews, so that the rotating mechanism is convenient to install and maintain, the sliding among the spline housing, the rotary hollow shaft and the driven belt wheel is prevented, and the stability and the reliability of the transmission device are improved.

Further, the turntable includes: the rotary table connecting piece is movably arranged at the top of the top plate, the spline shaft is connected with the rotary table through the rotary table connecting piece, and the sensitive assemblies are arranged around the periphery of the bottom of the rotary table.

The beneficial effect of adopting the further scheme is that: the arrangement of the turntable and the turntable connecting piece facilitates the installation and maintenance of the spline shaft and the turntable, and reduces the production cost.

Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic view of an ascending state of a hazardous gas detection device according to an embodiment of the present invention.

Fig. 2 is a schematic view of a usage status of the hazardous gas detection apparatus provided by the embodiment of the present invention.

Fig. 3 is a cross-sectional view of the internal structure of the hazardous gas detection device provided by the embodiment of the present invention.

Fig. 4 is a top view of a hazardous gas detection device according to an embodiment of the present invention.

Figure 5 is a schematic view of the structure shown in figure 4 taken along section line a-a.

Fig. 6 is a schematic view of the structure shown in fig. 4 taken along section line B-B.

Figure 7 is a schematic view of the structure shown in figure 4 taken along section line D-D.

Fig. 8 is a right side view of a hazardous gas detection device provided by an embodiment of the present invention;

figure 9 is a top view of the structure shown in figure 8 taken along section line C-C.

The reference numbers illustrate: 1-a base; 2-fluorescence spectrometer; 3-a sensitive component; 4-storage; 5-a lifting mechanism; 6-a rotating mechanism; 23-a top plate; 24-a base plate; 25-a scaffold; 26-a first motor; 27-a lead screw; 28-lead screw nut; 29-a lifter plate; 30-a guide bar; 31-a spline shaft; 32-a second motor; 33-a driving pulley; 34-a driven pulley; 35-spline housing; 36-a synchronous belt; 37-a controller; 38-a sensor; 39-code wheel; 40-a turntable; 41-a turntable connection; 42-a storage box; 43-linear bearings; 44-a first C-shaped clamp spring; 45-shaft end limiting block; 46-a first ball bearing; 47-a second ball bearing; 48-a second C-shaped clamp spring; 49-deep groove ball bearing; 50-a rotating hollow shaft; 58-stop ring.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

The embodiment of the utility model provides a transmission for automatic change sensitive subassembly, it includes: the device comprises a top plate 23, a bottom plate 24, a bracket 25, a plurality of sensitive components 3, a rotary table 40 for mounting the sensitive components 3, a first motor 26, a lead screw 27, a lead screw nut 28 matched with the lead screw 27, a lifting plate 29, a guide rod 30, a spline shaft 31 and a rotating mechanism 6, wherein the top plate 23 is arranged on the bottom plate 24 through the bracket 25, the rotary table 40 is movably arranged at the top of the top plate 23, the plurality of sensitive components 3 are arranged around the periphery of the rotary table 40, the first motor 26 is arranged at the top of the top plate 23, the lead screw 27 penetrates through the top plate 23, the lifting plate 29 and the lead screw nut 28 are arranged between the top plate 23 and the bottom plate 24 in a lifting way, the lead screw nut 28 is arranged in the lifting plate 29, the first motor 26 is connected with the lead screw nut 28 through the lead screw 27, the guide rod 30 is vertically arranged between the bottom plate 24 and the top plate 23, the lifting plate 29 is slidably sleeved on the guide rod 30, the spline shaft 31 penetrates through the top plate 23, two ends of the spline shaft 31 correspond to the lifting plate 29 and the turntable 40, the rotating mechanism 6 is arranged at the top of the top plate 23, and the rotating mechanism 6 is connected with the spline shaft 31.

The starting and stopping of the first motor and the second motor can be manually controlled, and the lifting, rotating and replacing functions of elements are realized.

As shown in fig. 1 to 9, an embodiment of the present invention provides a transmission device for automatically replacing a sensitive component, including: a base 1, a fluorescence spectrometer 2 for detecting hazardous gas, a plurality of groups of sensitive components 3 for detecting hazardous gas, a storage bin 4 for storing the plurality of groups of sensitive components 3, a lifting mechanism 5 for lifting the storage bin 4 and a rotating mechanism 6 for rotating the storage bin 4, the fluorescence spectrometer 2, the lifting mechanism 5 and the rotating mechanism 6 are arranged on the base 1, the storage bin 4 is movably arranged at the top of the base 1, the lifting mechanism 5 and the rotating mechanism 6 are connected with the storage bin 4, a plurality of groups of sensitive assemblies 3 are arranged around the periphery of the bottom of the storage bin 4, the fluorescence spectrometer 2 and the plurality of sets of the sensitive components 3 are positioned between the base 1 and the storage bin 4, and one set of the sensitive components 3 is inserted at the top of the fluorescence spectrometer 2. The hazardous gas detection device is provided with the lifting mechanism and the rotating mechanism through design, sensitive components in the storage bin are controlled to be sequentially replaced into the fluorescence spectrometer for use, the lifting mechanism is used for lifting the storage bin, the current sensitive components are pulled out of the fluorescence spectrometer, the rotating mechanism rotates the storage bin, the next sensitive component corresponds to the fluorescence spectrometer, the lifting mechanism is used for falling the storage bin, the next sensitive component is inserted into the fluorescence spectrometer, the automatic replacement function of the sensitive components in the hazardous gas detection device is realized, the automation of the hazardous gas detection device is improved, and the labor intensity of a user is reduced. Wherein, the embodiment of the utility model provides a ten groups of sensitive subassemblies have been chooseed for use, and every sensitive subassembly contains 2 different sensing elements (different fluorescence sensitive material).

As shown in fig. 1 to 9, further, the base 1 includes: the fluorescence spectrometer 2 is arranged on the periphery of the top plate 23, the lifting mechanism 5 is arranged on the bottom plate 24, the rotating mechanism 6 is arranged on the top of the top plate 23, and the storage bin 4 is movably arranged on the top of the top plate 23. The arrangement of the top plate, the bottom plate and the support is convenient for installation and maintenance of the lifting mechanism and the rotating mechanism, and stability and reliability of the hazardous gas detection device are improved.

As shown in fig. 1 to 9, the lifting mechanism 5 further includes: a first motor 26, a lead screw 27, a lead screw nut 28 engaged with the lead screw 27, a lifting plate 29, a guide bar 30, and a spline shaft 31. Two bearings (interference fit) are arranged in the lifting plate, after the spline shaft penetrates through the two bearings, the shaft end limiting block is fixed on the spline shaft by using two jackscrews to serve as a lower limiting block, and a shaft retaining ring is arranged on the top of the top bearing to serve as an upper limiting block. In this way, the spline shaft can rotate and can ascend and descend along with the lifting plate.

The spline housing, the rotary hollow shaft and the driven belt wheel are fastened into a whole through screws and jackscrews. When the second motor rotates, the combination of the first motor and the second motor is driven to rotate, and meanwhile, the spline housing also drives the spline shaft to rotate. The spline shaft is meshed with the spline sleeve through a spline.

As shown in fig. 1 to 9, further, the storage bin 4 includes: the storage boxes 42 are provided with a pair of through holes for mounting sensitive components at the tops of the storage boxes 42, the storage boxes 42 and the fluorescence spectrometer 2 are arranged around the top periphery of the top plate 23, and the storage boxes 42 are arranged corresponding to the plurality of groups of sensitive components 3. The arrangement of a plurality of storage boxes is convenient for store a plurality of spare sensitive components, is convenient for the automatic replacement of the sensitive components and prolongs the spare time of the storage bin.

The mechanical principle and the process for replacing the sensitive element are as follows: 1. when the detector of the fluorescence spectrometer senses that the service life of the sensitive element is exhausted, the detector informs a controller (namely a main control and driving board); 2. the controller controls the first motor to rotate to drive the screw rod to rotate, so that the screw rod nut, the lifting plate, the spline shaft, the turntable and the sensitive component are driven to ascend along the guide rod, the purpose is to separate the sensitive component from the storage box, and the sensitive component with the exhausted service life is separated from the fluorescence spectrometer, so that the gas circuit is disconnected; in the lifting process, the guide rods on two sides and the linear bearings enable the movement to be smooth. The inner ring of the linear bearing is sleeved at the top of the spline shaft, and the outer ring of the linear bearing is connected with the guide rod. Remarking: the sensitive component needs to be sealed by a gas circuit, so that a sealing ring structure is arranged in the gas circuit, and the sealing ring is an O-shaped sealing ring. The lower end of the sensitive component is separated from the sealing ring in the ascending process, and the gas circuit is disconnected; after descending, the sensitive component is inserted into the sealing ring again, the air path is closed, the number of the sealing rings at the upper end of the sensitive assembly is large, the number of the sealing rings at the lower end of the sensitive assembly is small, and the sensitive component can move along with the structure at the upper end and can be separated from the structural component at the lower end due to friction. 3. When the first motor rotates to the position, the first motor feeds back to the controller, and the controller controls the second motor to rotate by a preset angle, so that the next sensitive component rotates to a position right above the fluorescence spectrometer. The principle is as follows: the second motor rotates to drive the driving belt wheel to rotate, and the synchronous belt drives the driven belt wheel to rotate, so that the rotary hollow shaft, the spline sleeve, the spline shaft, the turntable connecting piece, the turntable and the sensitive assembly are driven to rotate. Wherein, the rotary hollow shaft 50 is sleeved on the outer side of the spline housing 35, and the driven pulley 34 is sleeved on the outer side of the rotary hollow shaft 50. Remarking: the coded disc can be a light-cutting coded disc, and the sensor can be an initial position sensor, the light-cutting coded disc and the initial position sensor provide an initial position resetting function. 4. After the turntable rotates to a designated position, the servo motor encoder feeds back the controller, the controller controls the first motor to rotate to drive the lead screw to rotate, so that the lead screw nut, the lifting plate, the spline shaft, the turntable and the sensitive assembly are driven to descend along the guide rod, the purpose is to insert the sensitive assembly with the exhausted service life into the storage box and insert the next new sensitive assembly into the fluorescence spectrometer, and the gas path is closed; 5. when the sensitive component is inserted into the storage box, the servo motor encoder informs the controller, and the controller controls the air pump to work, so that air suction is performed, and gas detection is performed through the fluorescence spectrometer.

As shown in fig. 1 to 9, further, the lifting plate 29 includes: axle head stopper 45, first ball bearing 46 and retaining ring 58, axle head stopper 45 cover establish the bottom of integral key shaft 31 and with the bottom butt of lifter plate 29, first ball bearing 46 inlays the inside and cover of lifter plate 29 is established on the integral key shaft 31, retaining ring 58 cover is established on the integral key shaft 31 and with the top butt of lifter plate 29.

As shown in fig. 1 to 9, further, the lifting plate 29 includes: linear bearing 43 and first C type jump ring 44, linear bearing 43's inner circle 58 cover is established on the guide bar 30, linear bearing 43's outer lane with lifter plate 29 is connected, first C type jump ring 44 cover is established on the guide bar 30, first C type jump ring 44 with linear bearing 43 butt.

As shown in fig. 1 to 9, further, the rotating mechanism 6 includes: second motor 32, driving pulley 33, driven pulley 34 and spline housing 35, spline shaft 31 rotationally with lifter plate 29 connects, spline housing 35 is the internal spline structure, spline shaft 31 is the external spline structure, second motor 32 sets up on the roof 23, driving pulley 33 with second motor 32 connects, spline housing 35 cover is established spline shaft 31's the outside, driven pulley 34 cover is established the outside of spline housing 35, driving pulley 33 pass through hold-in range 36 with driven pulley 34 connects.

The beneficial effect of adopting the further scheme is that: the second motor, the driving belt wheel, the driven belt wheel and the spline housing are arranged, so that the rotating mechanism is convenient to assemble, the stability and the reliability of the rotating mechanism are improved, and the production cost is reduced. The spline shaft is convenient to engage with the spline shaft, the spline shaft can be lifted and rotated relative to the spline shaft, and the production cost is reduced.

Further, the first motor 26 and the second motor 32 are servo motors.

As shown in fig. 1 to 9, further, the rotating mechanism 6 includes: the controller 37 is arranged on the bottom plate 24, the sensor 38 is arranged on the top of the top plate 23, the code wheel 39 is arranged on the top end face of the driving pulley 33, the sensor 38 and the code wheel 39 are correspondingly arranged, and the sensor 38, the first motor 26 and the second motor 32 are all connected with the controller 37.

As shown in fig. 1 to 9, further, the rotating mechanism 6 includes: second ball bearing 47, second C type jump ring 48, deep groove ball bearing 49 and rotary hollow shaft 50, rotary hollow shaft 50 cover is established on the spline housing 35, the driven pulley 34 cover is established on rotary hollow shaft 50, deep groove ball bearing 49 cover is established on rotary hollow shaft 50 and inlay in the roof 23, second ball bearing 47 and second C type jump ring 48 cover is established on rotary hollow shaft 50 and be located the bottom of roof 23, second ball bearing 47 with the bottom butt of roof 23, second C type jump ring 48 with second ball bearing 47 butt.

Further, the spline housing 35, the rotary hollow shaft 50, and the driven pulley 34 are connected by screws and a jack screw.

As shown in fig. 1 to fig. 9, the beneficial effects of adopting the above further scheme are: the spline housing, the rotary hollow shaft and the driven belt wheel are connected through the screws and the jackscrews, so that the rotating mechanism is convenient to install and maintain, the sliding among the spline housing, the rotary hollow shaft and the driven belt wheel is prevented, and the stability and the reliability of the transmission device are improved.

As shown in fig. 1 to 9, further, the turntable 40 includes: the rotary table connecting piece 41, the rotary table 40 is movably arranged on the top of the top plate 23, the spline shaft 31 is connected with the rotary table 40 through the rotary table connecting piece 41, and a plurality of groups of the sensitive assemblies 3 are arranged around the periphery of the bottom of the rotary table.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A transmission apparatus for automatically replacing sensitive components, comprising: the device comprises a top plate (23), a bottom plate (24), a support (25), a plurality of sensitive components (3), a turntable (40) for mounting the sensitive components (3), a first motor (26), a lead screw (27), a lead screw nut (28) matched with the lead screw (27), a lifting plate (29), a guide rod (30), a spline shaft (31) and a rotating mechanism (6), wherein the top plate (23) is arranged on the bottom plate (24) through the support (25), the turntable (40) is movably arranged at the top of the top plate (23), the sensitive components (3) are arranged around the periphery of the turntable (40), the first motor (26) is arranged at the top of the top plate (23), the lead screw (27) penetrates through the top plate (23), and the lifting plate (29) and the lead screw nut (28) are arranged between the top plate (23) and the bottom plate (24) in a lifting way, screw nut (28) sets up in lifter plate (29), first motor (26) pass through lead screw (27) with screw nut (28) are connected, guide bar (30) are vertical to be set up between bottom plate (24) and roof (23), lifter plate (29) slidable ground cover is established on guide bar (30), integral key shaft (31) run through roof (23), the both ends of integral key shaft (31) correspond with lifter plate (29) with carousel (40) are connected, slewing mechanism (6) set up the top of roof (23), slewing mechanism (6) with integral key shaft (31) are connected.

2. A transmission device for automatic replacement of sensitive components according to claim 1, characterized in that said lifting plate (29) comprises: axle head stopper (45), first ball bearing (46) and retaining ring (58), axle head stopper (45) cover is established the bottom of integral key shaft (31) and with the bottom butt of lifter plate (29), first ball bearing (46) are inlayed lifter plate (29) is inside and the cover is established on integral key shaft (31), retaining ring (58) cover is established on integral key shaft (31) and with the top butt of lifter plate (29).

3. A transmission device for automatic replacement of sensitive components according to claim 1, characterized in that said lifting plate (29) comprises: linear bearing (43) and first C type jump ring (44), the inner circle cover of linear bearing (43) is established on guide bar (30), the outer lane of linear bearing (43) with lifter plate (29) are connected, first C type jump ring (44) cover is established on guide bar (30), first C type jump ring (44) with linear bearing (43) butt.

4. Transmission device for the automatic replacement of sensitive components according to claim 1, characterized in that said rotation mechanism (6) comprises: second motor (32), driving pulley (33), driven pulley (34) and spline housing (35), spline shaft (31) rotationally with lifter plate (29) are connected, spline housing (35) are the internal spline structure, spline shaft (31) are the external spline structure, second motor (32) set up on roof (23), driving pulley (33) with second motor (32) are connected, spline housing (35) cover is established the outside of spline shaft (31), driven pulley (34) cover is established the outside of spline housing (35), driving pulley (33) pass through hold-in range (36) with driven pulley (34) are connected.

5. Transmission device for the automatic replacement of sensitive components according to claim 4, characterized in that said first motor (26) and said second motor (32) are servomotors.

6. Transmission device for the automatic replacement of sensitive components according to claim 4, characterized in that said rotation mechanism (6) comprises: the automatic detection device comprises a controller (37), a sensor (38) and a coded disc (39), wherein the controller (37) is arranged on the bottom plate (24), the sensor (38) is arranged at the top of the top plate (23), the coded disc (39) is arranged on the end face of the top end of the driving belt wheel (33), the sensor (38) and the coded disc (39) are arranged correspondingly, and the sensor (38), the first motor (26) and the second motor (32) are all connected with the controller (37).

7. Transmission device for the automatic replacement of sensitive components according to claim 4, characterized in that said rotation mechanism (6) comprises: second ball bearing (47), second C type jump ring (48), deep groove ball bearing (49) and rotating hollow shaft (50), rotating hollow shaft (50) cover is established on spline housing (35), driven pulley (34) cover is established rotating hollow shaft (50) is last, deep groove ball bearing (49) cover is established rotating hollow shaft (50) is gone up and is inlayed in roof (23), second ball bearing (47) and second C type jump ring (48) cover is established rotating hollow shaft (50) is gone up and is located the bottom of roof (23), second ball bearing (47) with the bottom butt of roof (23), second C type jump ring (48) with second ball bearing (47) butt.

8. Transmission for automatic sensitive component replacement according to claim 7, characterized in that said splined hub (35), said hollow rotary shaft (50) and said driven pulley (34) are connected by means of screws and jackscrews.

9. Transmission device for the automatic replacement of sensitive components according to claim 1, characterized in that said carousel (40) comprises: the rotary table connecting piece (41), the rotary table (40) is movably arranged at the top of the top plate (23), the spline shaft (31) is connected with the rotary table (40) through the rotary table connecting piece (41), and a plurality of groups of the sensitive assemblies (3) are arranged around the periphery of the bottom of the rotary table (40).