CN206997291U - A kind of spiral-flow type deep-sea etting cleaning device - Google Patents

Abstract

Marine mesh cage cultivation servicing unit is the utility model is related to, in particular it relates to a kind of spiral-flow type deep-sea etting cleaning device.The high-pressure cleaning device, the snorkeling in frame and the attitude-control device that are connected including frame, with frame, the underwater camera device being fixed in frame and underwater illuminating device, the spiral propeller being fixedly connected in frame.A kind of spiral-flow type deep-sea etting cleaning device provided by the utility model, using the high pressure rotational jetting of manifold-type spray disk injection as cleaning power source, for high-pressure water jet cyclic spray on each point of attachments of netting of culture, cleaning performance is obvious；Underwater snorkeling posture can be freely adjusted using twin float, changes traffic direction, ensures the cleaning that can meet each corner of net cage, efficiency high, the cleannes for cleaning attachments of netting of culture are high.

Description

A kind of spiral-flow type deep-sea etting cleaning device

Technical field

Marine mesh cage cultivation servicing unit is the utility model is related to, in particular it relates to which a kind of spiral-flow type deep-sea etting cleans Device.

Background technology

Culture fishery is fast-developing in recent years, and net cage long period of soaking in the seawater, is easily encroached on by marine fouling organism, But the planktonic organism in the seawater of cage culture marine site is more, particularly warm summer, the etting of net cage is easier to grow attachment Thing, cause mesh to adhere to a large amount of algae, shellfish attachment, hinder caged-culture waters to exchange, cause water body dissolved oxygen amount and water in net cage Matter declines, and in turn results in the reduction of cultured fishes quality.External most of net clothing cleaning machine is mainly based on high pressure water cleaning.It is domestic Large-scale Deep sea net cage is introduced due to later, did not had systematic research to etting cleaning corollary equipment, but with Chinese deep-sea net Case extensive use, attachments of netting of culture cleaning turn into a urgent problem to be solved in the breeding process of deep-sea domain.At present, state's Intranet Clothing cleaning way include regular draping method, artificial ablution, on put heavy method, bioscrubbing method and mechanical cleaning process etc., deposit In the shortcoming such as the cleaning frequency is long, cleannes are low, cleaning cost is high, efficiency is low.Deep sea net cage cleaning robot utilizes high-pressure rotary Water jet is rinsed to attachments of netting of culture.High-pressure nozzle is adhered to due to turning effort, high-pressure water jet cyclic spray in etting On each point of thing, under sufficiently large alternate stress, the attached crop of etting gradually extends, and completes cleaning task to being broken to be left out, clearly Positive effect is washed, efficiency improves.

Utility model content

The utility model is to overcome at least one defect described in above-mentioned prior art, there is provided a kind of spiral-flow type deep-sea etting Cleaning device, efficiency high, the cleannes for cleaning attachments of netting of culture are high.

In order to solve the above technical problems, technical scheme provided by the utility model is：A kind of etting cleaning of spiral-flow type deep-sea Device, including frame, the high-pressure cleaning device being connected with frame, the snorkeling in frame and attitude-control device, be fixed on Underwater camera device and underwater illuminating device in frame, the spiral propeller being fixedly connected in frame.

Preferably, the underwater illuminating device includes angle regulator and underwater luminaire, the angle regulator Below underwater luminaire.Underwater illuminating device is used for the operating illumination to the underwater camera device, angle regulator Light angle regulation can be achieved.

Further, the manifold-type that described high-pressure cleaning device is included below frame sprays disk, sprayed located at manifold-type High-pressure rubber pipe and high-pressure shunting device above disk.High-pressure nozzle is due to turning effort, and high-pressure water jet cyclic spray is in etting On each point of attachment, under sufficiently large alternate stress, the attached crop of etting gradually extends, and appoints to being broken to be left out to complete to clean Business, cleaning performance is obvious, and efficiency improves.

In such scheme, water under high pressure is guided to through high-pressure rubber pipe by device bottom by working mother boat and sprays disk, spray disk passes through Self structure ejects high pressure rotational jetting and rinses etting.It is timely according to underwater cleaning situation of the monitoring system through cable transmission Snorkeling and attitude-control device and spiral pushing device are adjusted, so as to change robot cleaning track and cleaning posture, to reach Optimal cleaning effect.After the completion of cleaning, the robot is reclaimed by minor crane on working mother boat.

Further, the snorkeling and attitude-control device include being fixedly connected with frame located at the double floating of frame both sides Cylinder, the spiral propeller backwards for being fixedly connected on frame.Underwater snorkeling posture can be adjusted using floating drum, utilizes spiral propeller Realize that straight trip, turning of cleaning device etc. are moved.

Further, the floating drum includes filter screen, floating drum shell, compression set, drive device and transmission device；It is described Filter screen is fixed on the floating drum shell by loose-leaf；Pressure sensor and single direction inflating valve are provided with above the floating drum；It is described floating The head and the tail both ends of cylinder are fixedly connected on above frame by fastener.Pressure sensor is set above floating drum, can be real-time Monitor pressure in floating drum.

Further, the manifold-type spray disk includes the front apron provided with multiple spray orifices, fixed by the first connected mode The mozzle that is connected on front apron, the sleeve being fixedly connected in frame, sleeve is fixedly connected on by the second connected mode On bonnet and the nut that is connected by the 3rd connected mode with sleeve seal；Be provided with below the frame it is multiple linearly etc. Spaced manifold-type sprays disk, and the front apron and the distance value of frame least significant end are 3mm ~ 10mm.

Preferably, the front apron is provided with 4 spray orifices, and 3 linear arranged at equal intervals are provided with below the frame Manifold-type sprays disk.A kind of spiral-flow type deep-sea etting cleaning device provided by the utility model sprays disk when in use, by 3 manifold-types It is available backwards to propeller elimination to spray jetflush power caused by high pressure rotational jetting, so as to reach optimal cleaning effect.

Preferably, the front apron and the distance value of frame least significant end are 5mm.5mm water gaps protect to a certain extent Etting.

Preferably, the first described connected mode is bolt connection, and the second described connected mode is mode connects for screw, described The 3rd connected mode for threaded connection.

Further, angular contact bearing, axle sleeve, this spy's envelope, briquetting and O-shaped sealing are connected with the mozzle Circle；The axle sleeve is sheathed on angular contact bearing, and in the seal groove of bonnet, the angular contact bearing is located at this described spy's envelope In sleeve, the O-ring seal is in screw cap closures groove, the briquetting（22）In sleeve and with the nut positioning lock Tightly.Angular contact bearing is set to avoid relative motion between mozzle and sleeve, resistance when increase mozzle rotates, causes to consume Can be larger；Sleeve is connected with nut by pipe screw thread, and connection gap easily flows into seawater under high pressure, causes inner corners engagement shaft Hold and damaged because of sea water intrusion, therefore seal groove is provided with nut, sealing ring can be installed, reach secondary seal effect, and in axle Hold between nut, sealed briquette is combined with mozzle, to reach sealing effectiveness three times.

Further, the mozzle is provided with more manifolds, manifold is provided with elbow, is connected with high pressure spray with elbow Mouth, the manifold are connected by elbow with high pressure nozzle, and the high pressure nozzle is in the spray orifice of front apron, and with O-shaped sealing Circle sealing；Preferably, the high pressure nozzle is in the degree spray orifice of front apron.Preferably, on the mozzle at equal intervals Provided with 4 manifolds.Projected, acted on from 45 degree of inclined front apron jet orifices through high pressure nozzle using manifold water under high pressure is branched to Front apron will rotate under power, due to front apron and mozzle geo-stationary, so that water under high pressure rotating-spray, is formed high Press rotating fluid.

Further, the compression set includes piston, y-type seal ring, guide rod, support column and connecting plate；The Y types For sealing ring in piston seal groove, the piston passes through connecting rod and support column and connecting plate（38）It is fixedly connected, the company Fishplate bar is fixedly connected by guide rod with drive device.

Further, the drive device includes the chassis in floating drum shell, the twin shaft stepping above chassis Motor, the rolling bearing units being connected with twin shaft stepper motor, the jaw clutch being connected with twin shaft stepper motor, with it is castellated from The little gear of clutch connection and the brush on bearing.

Further, the transmission device includes support bar, the bidirectional propulsion axle of chassis both sides is fixed on by support bar Bearing, with the gear wheel of pinion fits and the screw mandrel being connected with connecting plate, one end of the screw mandrel is fixed with chassis to be connected Connect, connected between the two-direction thrust bearing seat by threaded rod.Twin shaft stepper motor both ends connect automatically controlled tooth respectively in floating drum Embedded-type clutch, then by column gear transmission, drive trapezoidal screw to rotate, enable both ends piston controllably respectively or same When move reciprocatingly, and then change platform center of gravity, hull position and buoyancy size；Two floating drum both ends pistons compress or expanded simultaneously Same volume, then with equipment center of gravity, hull position can be kept constant, buoyancy size changes, make platform stable float or under It is latent；One floating drum both ends piston compression volume, another floating drum expand same volume, then can keep gravity, buoyancy size It is constant, the torque that can not be balanced is produced, makes platform rolling；Two floating drum one end pistons inwardly move, and other end piston moves out, The amount of exercise at both ends is consistent, then gravity, buoyancy size are constant；Similarly, platform trim.

To realize such scheme, it is contemplated that the corrosivity of seawater, frame use the alloy material of seawater corrosion resistance, and its is important Part is made of stainless steel, ensures that equipment can work long hours under seawater, for increase frame overall buoyancy and prevents machine Frame pours in down a chimney seawater because of weld seam, in frame hollow steel pipe filling-foam agent.

Compared with prior art, beneficial effect is：A kind of spiral-flow type deep-sea etting cleaning device provided by the utility model, Using the high pressure rotational jetting of manifold-type spray disk injection as cleaning power source, high-pressure water jet cyclic spray is in attachments of netting of culture Each point on, cleaning performance is obvious；Underwater snorkeling posture can be freely adjusted using twin float, changes traffic direction, guarantee can To meet the cleaning in each corner of net cage；The compact equipment, efficiency high, the cleannes height of attachments of netting of culture are cleaned, no Etting can be caused to damage, and greatly reduce cage culture family cleaning cost and labor intensity.

Brief description of the drawings

Fig. 1 is the utility model overall structure diagram.

Fig. 2 is that the utility model manifold-type sprays dish structure schematic diagram.

Fig. 3 is that the utility model manifold-type sprays draft tube structure schematic diagram in disk.

Fig. 4 is that the utility model manifold-type sprays front plate structure schematic diagram in disk.

Fig. 5 is that the utility model manifold-type sprays nut structure schematic diagram in disk.

Fig. 6 is the utility model floating drum overall structure diagram.

Fig. 7 is the drive device and transmission structures schematic diagram of the utility model floating drum.

Fig. 8 is compression set structural representation in the utility model floating drum.

Embodiment

Being given for example only property of accompanying drawing illustrates that expression is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as to this patent Limitation；In order to which embodiment of the present utility model is better described, some parts of accompanying drawing have omission, zoomed in or out, not generation The size of table actual product.To those skilled in the art, some known features and its explanation may be omitted and be in accompanying drawing It is appreciated that.

In description of the present utility model, it is to be understood that term " end ", " side ", " on ", " under ", "left", "right" Deng the orientation of instruction, either position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of and describes this reality With new and simplify description, rather than instruction or imply that signified device or element there must be specific orientation, with specific Azimuth configuration and operation, thus described in accompanying drawing position relationship term being given for example only property explanation, it is impossible to be interpreted as to this is special The limitation of profit, for the ordinary skill in the art, can understand the concrete meaning of above-mentioned term as the case may be.

, it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, term " setting ", " connection ", " fastening " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected Connect；Can be mechanical connection or electrical connection；Can be joined directly together or be indirectly connected with by intermediary, It may be said that the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Language is in concrete meaning of the present utility model.

As shown in Figure 1 and Figure 2, a kind of spiral-flow type deep-sea etting cleaning device, including frame 6, the high pressure that is connected with frame 6 Cleaning device, the snorkeling in frame 6 and attitude-control device, the underwater camera device 1 being fixed in frame 6 and underwater photograph Bright device 3, the spiral propeller 2 being fixedly connected in frame 6.

In the above-described embodiment, underwater illuminating device 3 includes angle regulator and underwater luminaire, angular adjustment dress It is arranged in below underwater luminaire.Underwater illuminating device 3 is used for the operating illumination to the underwater camera device, angular adjustment dress Put achievable light angle regulation.

Specifically, high-pressure cleaning device includes the manifold-type spray disk 4 located at the lower section of frame 6, above manifold-type spray disk 4 High-pressure rubber pipe and high-pressure shunting device.High-pressure nozzle is due to turning effort, and high-pressure water jet cyclic spray is in attachments of netting of culture Each point on, under sufficiently large alternate stress, the attached crop of etting gradually extends, to be broken be left out complete cleaning task, cleaning Positive effect, efficiency improve.

In such scheme, water under high pressure is guided to through high-pressure rubber pipe by device bottom manifold-type by working mother boat and sprays disk 4, discrimination Self structure of tubular type spray disk logical 4 crossing ejects high pressure rotational jetting flushing etting.According to water of the monitoring system through cable transmission Lower cleaning situation adjusts snorkeling and attitude-control device and spiral pushing device in time, so as to change robot cleaning track and clear Posture is washed, to reach optimal cleaning effect；After the completion of cleaning, the robot is returned by minor crane on working mother boat Receive.

In addition, snorkeling and attitude-control device include being fixedly connected with the twin float 7 located at frame both sides with frame 6, fixed The spiral propeller 8 backwards being connected in frame 6.Underwater snorkeling posture can be adjusted using floating drum 7, utilizes spiral propeller 8 Realize that straight trip, turning of cleaning device etc. are moved.

Fig. 1, Fig. 6, Fig. 7, Fig. 8 are refer to, further, floating drum 7 includes filter screen 46, floating drum shell 42, compression set, drive Dynamic device and transmission device；Filter screen 46 is fixed on the floating drum shell 42 by loose-leaf 45；The top of floating drum 7 is provided with pressure and passed Sensor 9 and single direction inflating valve 5；The head and the tail both ends of floating drum 7 are fixedly connected on the top of frame 6 by fastener 10.Set above floating drum 7 Pressure sensor 9 is put, pressure in floating drum can be monitored in real time.

As shown in Figure 1 and Figure 2, manifold-type spray disk 4 includes the front apron 11 provided with multiple spray orifices, passes through the first connected mode The mozzle 12 that is fixedly connected on front apron 11, the sleeve 18 being fixedly connected in frame, fixed by the second connected mode The bonnet 17 being connected on sleeve 18 and the nut 21 being tightly connected by the 3rd connected mode and sleeve 18；The lower section of frame 6 Manifold-type provided with multiple linearly arranged at equal intervals sprays disk 4, the distance value of front apron 11 and the least significant end of frame 6 for 3mm ~ 10mm。

Wherein, front apron 11 is provided with 4 spray orifices, and the lower section of frame 6 is provided with the manifold-type spray of 3 linear arranged at equal intervals Disk 4.When in use, by 3 manifold-types spray disk 4 sprays height to a kind of spiral-flow type deep-sea etting cleaning device provided by the utility model Jetflush power caused by pressure rotating fluid is available to be eliminated backwards to propeller 8, so as to reach optimal cleaning effect.

Specifically, front apron 11 and the distance value of the least significant end of frame 6 are 5mm.5mm water gaps protect net to a certain extent Clothing.

Specifically, the first connected mode（13）For bolt connection, the second connected mode is mode connects for screw, the 3rd connected mode For threaded connection.

Refer to Fig. 2, Fig. 3, Fig. 4, Fig. 5, in addition, be connected with mozzle 12 angular contact bearing 19, axle sleeve 24, this Spy's envelope 23, briquetting 22 and O-ring seal 20；Axle sleeve 24 is sheathed on angular contact bearing, and this spy's envelope 23 is located at the close of bonnet 17 In sealing groove, angular contact bearing 19 is in sleeve 18, and for O-ring seal 20 in the seal groove of nut 21, briquetting 22 is located at sleeve In 18 and with the positioning and locking of nut 21.Angular contact bearing 19 is set to avoid relative fortune between mozzle 12 and sleeve 18 It is dynamic, resistance when increase mozzle 12 rotates, cause to consume energy larger；Sleeve 18 is connected with nut 21 by pipe screw thread, connecting sewing Gap easily flows into seawater under high pressure, causes internal angular contact bearing 19 to be damaged because of sea water intrusion, therefore be provided with nut 21 Seal groove, sealing ring can be installed, reach secondary seal effect, and between bearing 19 and nut 21, be combined with mozzle 12 Sealed briquette 22, to reach sealing effectiveness three times.

Wherein, mozzle 12 is provided with elbow 16 provided with more manifolds 25, manifold 25, is connected with high pressure with elbow 16 Nozzle 15, manifold 16 are connected by elbow 16 with high pressure nozzle 15, and high pressure nozzle 15 uses O in the spray orifice of front apron 11 Type sealing ring 14 seals；Preferably, high pressure nozzle 15 is in 45 degree of spray orifices of front apron 11.Specifically, water conservancy diversion 12 is managed It is first-class to be interval with 4 manifolds.Using branching to the water under high pressure of manifold 25 through high pressure nozzle 15 from 45 degree of inclined front aprons 11 Jet orifice projects, and front apron 11 will rotate under active force, due to front apron 11 and the geo-stationary of mozzle 12, so that Make water under high pressure rotating-spray, form high pressure rotational jetting.

As shown in fig. 6, compression set includes piston 26, y-type seal ring 41, guide rod 49, support column 27 and connecting plate 38； In the seal groove of piston 26, piston 26 is fixedly connected y-type seal ring 41 by connecting rod 39 and support column 27 with connecting plate 38, Connecting plate 38 is fixedly connected by guide rod 49 with drive device.

In addition, drive device includes the chassis 29 in floating drum shell 42, the twin shaft stepper motor above chassis 31st, the rolling bearing units 35 being connected with twin shaft stepper motor 31, the jaw clutch 30 and tooth that are connected with twin shaft stepper motor 31 The little gear 28 and the brush 32 on bearing that embedded-type clutch 30 connects.

Wherein, transmission device includes support bar 37, the two-direction thrust bearing of the both sides of chassis 29 is fixed on by support bar 37 Seat 47, the gear wheel 36 coordinated with little gear 28 and the screw mandrel 40 being connected with connecting plate 38, one end and the chassis 29 of screw mandrel 40 It is fixedly connected, is connected between the two-direction thrust bearing seat 47 by threaded rod 48.The both ends of twin shaft stepper motor 31 point in floating drum 7 Automatically controlled jaw clutch 30 is not connected, then by column gear transmission, is driven trapezoidal screw 40 to rotate, enable both ends piston Controllably move reciprocatingly separately or together, and then change platform center of gravity, hull position and buoyancy size；Two 7 liang of floating drums End piston compresses or expanded same volume simultaneously, then with equipment center of gravity, hull position can be kept constant, and buoyancy size changes, Make platform stable floating or dive；One both ends piston compression volume of floating drum 7, another floating drum 7 are expanded same volume, then may be used To keep gravity, buoyancy size constant, the torque that can not be balanced is produced, makes platform rolling；One end piston of two floating drum 7 is inwardly transported Dynamic, other end piston is moved out, and the amount of exercise at both ends is consistent, then gravity, buoyancy size are constant；Similarly, platform trim.

To realize such scheme, it is contemplated that the corrosivity of seawater, for frame 6 using the alloy material of seawater corrosion resistance, its is heavy Want part to be made of stainless steel, ensure that equipment can work long hours under seawater, for the increase overall buoyancy of frame 6 and prevent Frame 6 pours in down a chimney seawater because of weld seam, in the hollow steel pipe filling-foam agent of frame 6.

Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments It is exhaustive.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in Within the protection domain of the utility model claims.

Claims (10)

1. a kind of spiral-flow type deep-sea etting cleaning device, it is characterised in that including frame（6）With frame（6）The high pressure of connection is clear Cleaning device, located at frame（6）On snorkeling and attitude-control device, be fixed on frame（6）On underwater camera device（1）And water Lower lighting device（3）, be fixedly connected on frame（6）On spiral propeller（2）.

A kind of 2. spiral-flow type deep-sea etting cleaning device according to claim 1, it is characterised in that described high-pressure wash Device includes being located at frame（6）The manifold-type spray disk of lower section（4）, located at manifold-type spray disk（4）The high-pressure rubber pipe and high pressure of top Part flow arrangement；The high-pressure rubber pipe is connected with manifold-type spray disk, and the high-pressure shunting device is connected with high-pressure rubber pipe.

3. a kind of spiral-flow type deep-sea etting cleaning device according to claim 1, it is characterised in that the snorkeling and posture Control device includes and frame（6）It is fixedly connected with the twin float located at frame both sides（7）, be fixedly connected on frame（6）On the back of the body To spiral propeller（8）.

A kind of 4. spiral-flow type deep-sea etting cleaning device according to claim 3, it is characterised in that the floating drum（7）Bag Include filter screen（46）, floating drum shell（42）, compression set, drive device and transmission device；The filter screen（46）Pass through loose-leaf （45）It is fixed on the floating drum shell（42）On；The floating drum（7）Top is provided with pressure sensor（9）And single direction inflating valve（5）；Institute State floating drum（7）Head and the tail both ends pass through fastener（10）It is fixedly connected on frame（6）Top.

5. a kind of spiral-flow type deep-sea etting cleaning device according to claim 2, it is characterised in that the manifold-type sprays disk （4）Including the front apron provided with multiple spray orifices（11）, pass through the first connected mode（13）It is fixedly connected on front apron（11）On Mozzle（12）, the sleeve that is fixedly connected in frame（18）, sleeve is fixedly connected on by the second connected mode（18）On Bonnet（17）And pass through the 3rd connected mode and sleeve（18）The nut of sealed connection（21）；The frame（6）Lower section is provided with The manifold-type spray disk of multiple linearly arranged at equal intervals（4）, the front apron（11）With frame（6）The distance value of least significant end is 3mm~10mm。

A kind of 6. spiral-flow type deep-sea etting cleaning device according to claim 5, it is characterised in that the mozzle（12） On be connected with angular contact bearing（19）, axle sleeve（24）, this spy envelope（23）, briquetting（22）And O-ring seal（20）；It is described Axle sleeve（24）It is sheathed on angular contact bearing, this described spy's envelope（23）Located at bonnet（17）Seal groove in, the angular contact axle Hold（19）Located at sleeve（18）It is interior, the O-ring seal（20）Located at nut（21）In seal groove, the briquetting（22）Located at set Cylinder（18）It is interior and with the nut（21）Positioning and locking.

A kind of 7. spiral-flow type deep-sea etting cleaning device according to claim 6, it is characterised in that the mozzle（12） It is provided with more manifolds（25）, manifold（25）It is provided with elbow（16）With elbow（16）It is connected with high pressure nozzle（15）, it is described Manifold（25）Pass through elbow（16）With high pressure nozzle（15）Connection, the high pressure nozzle（15）Located at front apron（11）Spray orifice It is interior, and use O-ring seal（14）Sealing.

A kind of 8. spiral-flow type deep-sea etting cleaning device according to claim 4, it is characterised in that the compression set bag Include piston（26）, y-type seal ring（41）, guide rod（49）, support column（27）And connecting plate（38）；The y-type seal ring（41） Located at piston（26）In seal groove, the piston（26）Pass through connecting rod（39）And support column（27）With connecting plate（38）It is fixed to connect Connect, the connecting plate（38）Pass through guide rod（49）It is fixedly connected with drive device.

A kind of 9. spiral-flow type deep-sea etting cleaning device according to claim 4, it is characterised in that the drive device bag Include and be located at floating drum shell（42）Interior chassis（29）, twin shaft stepper motor above chassis（31）And twin shaft stepper motor （31）The rolling bearing units of connection（35）And twin shaft stepper motor（31）The jaw clutch of connection（30）With jaw clutch The little gear of device connection（28）And the brush on bearing（32）.

A kind of 10. spiral-flow type deep-sea etting cleaning device according to claim 4, it is characterised in that the transmission device Including support bar（37）, pass through support bar（37）It is fixed on chassis（29）The two-direction thrust bearing seat of both sides（47）With little gear （28）The gear wheel of cooperation（36）And and connecting plate（38）The screw mandrel of connection（40）, the screw mandrel（40）One end and chassis （29）It is fixedly connected, the two-direction thrust bearing seat（47）Between pass through threaded rod（48）Connection.