CN108908710A - A kind of dustproof cover that architectural engineering blender uses - Google Patents
A kind of dustproof cover that architectural engineering blender uses Download PDFInfo
- Publication number
- CN108908710A CN108908710A CN201810946187.2A CN201810946187A CN108908710A CN 108908710 A CN108908710 A CN 108908710A CN 201810946187 A CN201810946187 A CN 201810946187A CN 108908710 A CN108908710 A CN 108908710A
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- fixed plate
- bevel gear
- driving wheel
- plate
- lid
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- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 29
- 239000002994 raw material Substances 0.000 abstract description 20
- 239000000428 dust Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 230000002441 reversible effect Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
- B28C5/0812—Drum mixer cover, e.g. lid
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2999/00—Subject-matter not otherwise provided for in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention belongs to dustproof cover technical fields, more particularly to a kind of dustproof cover that architectural engineering blender uses, it includes lid set, lid, pouring weight, bar shaped wobble plate, scroll spring, first incomplete bevel gear, second incomplete bevel gear, trunnion, cam etc., wherein dustproof cover of the invention can be automatically opened according to the feed inlet and outlet on mixing drum when needing by feeding or discharging, and the concrete material in mixing drum is during be stirred, feed inlet and outlet on mixing drum is covered in by dustproof cover, rolling of the concrete material in mixing drum will cause a large amount of raw material dust and will not emerge from the feed inlet and outlet of mixing drum in the atmosphere for being diffused into surrounding in this way, avoid the pollution that the raw material dust emerged causes the atmosphere around concrete mixer, it plays and takes turns certain environmental-protection function.The configuration of the present invention is simple has preferable using effect.
Description
Technical field
The invention belongs to dustproof cover technical field more particularly to a kind of dustproof covers that architectural engineering blender uses.
Background technique
At present traditional concrete mixer in the market there are many kinds of, wherein there is a kind of concrete mixer working principle
It is：Concrete material is stirred using rabbling mechanism, mixing drum fixation in concrete material whipping process does not rotate, mixing drum
It is needed in feeding by the feed inlet and outlet rotation inclination of mixing drum upward, mixing drum is needed in blanking by the input and output material of mixing drum
Mouth rotation inclination is downward.Non-rotary concrete mixer fixed for this mixing drum in concrete material whipping process comes
It says, in the preliminary stage of concrete material whipping process, since concrete material does not stir into sticky shape completely, so stirred
The preliminary stage of journey, rolling of the concrete material in mixing drum will cause a large amount of raw material dust, and raw material dust can be from stirring
The feed inlet and outlet for mixing cylinder, which is emerged, to be diffused into the atmosphere of surrounding, this just causes to come centainly to the atmosphere around concrete mixer
Dust pollution, or even damage breathing environment locating for the worker of concrete mixer periphery work.In order to avoid stirred
The preliminary stage of journey, raw material dust can be emerged from the feed inlet and outlet of mixing drum in the atmosphere for being diffused into surrounding, so with regard to needing to set
Count a kind of dustproof cover that concrete mixer uses.
The present invention design a kind of dustproof cover that architectural engineering blender uses solve the problems, such as it is as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of dustproof cover that architectural engineering blender uses,
It adopts the following technical solutions to realize.
In the description of the present invention, it should be noted that the indicating positions such as term "inner", "lower", "upper" or position are closed
System be orientation based on the figure perhaps positional relationship or the invention product using when the orientation or position usually put
Set relationship, it is only for convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed or operated with specific orientation, therefore be not considered as limiting the invention.In addition, art
Language " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
A kind of dustproof cover that architectural engineering blender uses, it is characterised in that：It include lid set, lid, the first fixed plate,
Second fixed plate, the 4th fixed plate, pouring weight, bar shaped wobble plate, scroll spring, articulated slab, driving wheel, third fixed plate, second turn
Axis, the first incomplete bevel gear, the second incomplete bevel gear, trunnion, connecting plate, limit plate, the 5th fixed plate, cam, axle sleeve,
First rotating shaft, cone tooth, the first arc cone tooth, the second arc cone tooth, limit through slot, positive stop strip, guide block spring, guide block, guide groove, cunning
Dynamic through slot, middle cover, which covers, is fixedly installed with the first fixed plate on the periphery of one end；Side of first fixed plate close to lid set port
Trunnion there are two being symmetrically fixedly mounted on face；There is circular hole in each trunnion；Fixed peace on lid set middle position periphery
Equipped with the second fixed plate；Second fixed plate is located at the downside of the first fixed plate；The fixed peace in the one end of second fixed plate far from lid set
Equipped with the 5th fixed plate；One end of third fixed plate is fixedly mounted in the second fixed plate, and it is solid that the other end is fixedly installed with the 4th
Fixed board；Third fixed plate is located between lid set and the 5th fixed plate；4th fixed plate and the second fixed plate are at plumbness, and the
Four fixed plates are located between lid set and the 5th fixed plate；There is circular hole at 4th one end of fixed plate far from third fixed plate；The
One end of two shafts is mounted in the circular hole of the 4th fixed plate by bearing, and the other end is fixedly installed with bar shaped wobble plate；5th is solid
Fixed board is between the second shaft and the second fixed plate；Bar shaped wobble plate is fixedly installed with pouring weight far from one end of the second shaft.
First rotating shaft is separately mounted in the circular hole of two trunnions by two bearings, and the both ends of first rotating shaft are pierced by
Corresponding trunnion；Axle sleeve there are two being symmetrically fixedly mounted on the first rotating shaft periphery of two trunnion two sides；Articulated slab
One end be nested on first rotating shaft periphery, the other end is fixedly installed with lid；Lid is matched with lid set；Articulated slab is located at
Between two trunnions；The structure installed on each axle sleeve is all the same, for one of axle sleeve：Pacify one end of scroll spring
On the periphery of axle sleeve, the other end is mounted on the corresponding side of articulated slab by connecting plate.
First rotating shaft is equipped with driving wheel on one end periphery of the second shaft；Driving wheel has far from one end of trunnion
There is cone tooth；The periphery of driving wheel is fixedly installed with limit plate；Limit plate is far from the limit for being provided with perforation at one end of driving wheel
Through slot；Limit plate is between driving wheel and the 5th fixed plate, and limit plate is located on the upside of the 5th fixed plate；First not exclusively bores
Gear and the second incomplete bevel gear are installed on the periphery of the second shaft；Driving wheel be located at the first incomplete bevel gear and
Between second incomplete bevel gear, and driving wheel is located on the upside of the first incomplete bevel gear；First incomplete bevel gear is located at the
Between two incomplete bevel gears and the 4th fixed plate；On first incomplete bevel gear there is the first arc to bore tooth；Second not exclusively
On bevel gear there is the second arc to bore tooth；The first arc cone tooth on first incomplete bevel gear and the cone tooth on driving wheel match
It closes；The second arc cone tooth on second incomplete bevel gear is matched with the cone tooth on driving wheel.
Cam is fixedly mounted on the periphery of the second shaft, and cam is located at the second incomplete bevel gear and bar shaped wobble plate
Between；The sliding channel of perforation is provided at 5th one end of fixed plate far from the second fixed plate；The two sides of sliding channel are symmetrically
Guide groove there are two opening；Positive stop strip is mounted in the sliding channel of the 5th fixed plate by way of being slidably matched, and positive stop strip
Both ends both pass through sliding channel；It symmetrically installs there are two guide block the two sides of positive stop strip；Two guide blocks pass through the side being slidably matched
Formula is separately mounted in two guide grooves；One end of two guide block springs is separately mounted on two guide blocks, and the other end is installed respectively
On the groove face of two guide grooves；Two guide block springs are located in two guide grooves；Limit on one end and limit plate of positive stop strip
Through slot matches, and is in contact on the other end and the periphery of cam.
Above-mentioned lid covers the feed inlet and outlet that one end far from lid is nested in mixing drum.
When the axis of bar shaped wobble plate and lid set is at plumbness, the first arc cone tooth on the first incomplete bevel gear with
Cone tooth on driving wheel does not generate meshing relation；The second arc cone tooth on second incomplete bevel gear and the cone tooth on driving wheel
Meshing relation is not generated.
When pouring weight drives bar shaped wobble plate relatively close to mixing drum around the second shaft axis, first not exclusively bores tooth
The first arc cone tooth on wheel and the cone tooth on driving wheel generate meshing relation.
When pouring weight drive bar shaped wobble plate around the second shaft axis relatively to mixing drum far from when, second not exclusively cone tooth
The second arc cone tooth on wheel and the cone tooth on driving wheel generate meshing relation.
As the further improvement of this technology, the diameter of above-mentioned lid is greater than the periphery diameter of lid set.It can thus protect
It demonstrate,proves when lid is bonded with the port of lid set, the port of lid set can be completely covered by by lid completely.
As the further improvement of this technology, when the axis of bar shaped wobble plate and lid set is at plumbness, lid and lid cover
Port be in fit-state, scroll spring is in reversed negative compression state.In the axis of bar shaped wobble plate and lid set at vertical configuration
When state, the feed inlet and outlet of mixing drum is in horizontality, and lid set is also at horizontality, and lid is complete by the port of lid set at this time
It covers in, in order to can guarantee that lid tightly covers in the port of lid set, so scroll spring will be in reversed negative compression state.
As the further improvement of this technology, the size phase of above-mentioned first incomplete bevel gear and the second incomplete bevel gear
Together, the nominal diameter of the first incomplete bevel gear is greater than the nominal diameter of driving wheel epicone tooth；First arc bores tooth and the second arc
Shape bores radian locating for tooth between 80 to 90 degree.Such design is exactly to bore tooth or the second arc in the first arc to guarantee
When shape cone tooth is engaged with the cone tooth generation on driving wheel, the radians of 80 to 90 degree can make the first arc cone tooth or the second arc cone
Tooth drives driving wheel to rotate enough angles, meets driving wheel through first rotating shaft, axle sleeve, scroll spring, connecting plate and articulated slab band
Dynamic lid opens the port certain angle of lid set, allow concrete material or concrete can from the feed inlet and outlet of mixing drum into
Out.
As the further improvement of this technology, above-mentioned guide block spring is extension spring, when guide block spring is non-stretched, guide block
Positioned at the middle position of guide groove, positive stop strip is not inserted into the limit through slot of limit plate far from one end of cam, at this time positive stop strip
One end with fillet is still contacted with the generation of the periphery of cam.
As the further improvement of this technology, one end that above-mentioned positive stop strip is in contact with cam periphery has fillet.This
The design of sample is to guarantee, positive stop strip has one end of fillet in the process with the prolonged extrusion friction of the periphery of cam
In, the design of fillet helps to reduce the material loss that long-time extrusion friction generates between positive stop strip and cam periphery.
As the further improvement of this technology, when the protruding end of cam is in contact with the fillet of positive stop strip, positive stop strip is remote
One end from fillet is located in the limit through slot of limit plate, and guide block spring is stretched.
When the axis of bar shaped wobble plate and lid set is at plumbness, the first arc cone tooth on the first incomplete bevel gear with
Cone tooth on driving wheel does not generate meshing relation；The second arc cone tooth on second incomplete bevel gear and the cone tooth on driving wheel
Meshing relation is not generated.Such design rotates by a certain angle in the first arc cone tooth in order to guarantee or the second arc bores tooth
Rotate by a certain angle on driving wheel cone tooth generation engage before, rotation of second shaft with moving cam so that cam protrusion
No longer there is with positive stop strip one end generation of fillet to contact at end, then positive stop strip is to far from limit under the reset force of guide block spring
The direction of position plate is mobile, and positive stop strip can be detached from from the limit through slot of limit plate, and positive stop strip just no longer generates limit to limit plate
Position；During mobile to the direction far from limit plate in positive stop strip, positive stop strip has one end of fillet outer with cam always
Disc generates contact.
One end of positive stop strip is matched with the limit through slot on limit plate, is in contact on the other end and the periphery of cam
Design is：First, when guide block spring is non-stretched, guide block is located at the middle position of guide groove, the one end of positive stop strip far from cam
It is not inserted into the limit through slot of limit plate, there is positive stop strip one end of fillet still to connect with the generation of the periphery of cam at this time
Touching.Second, when the protruding end of cam is in contact with the fillet of positive stop strip, positive stop strip is located at limit plate far from one end of fillet
It limits in through slot, and guide block spring is stretched.Third, when rotation of second shaft with moving cam so that the protruding end of cam no longer
With positive stop strip there is one end of fillet to generate to contact, then under the reset force of guide block spring, positive stop strip is to far from limit plate
Direction is mobile, and positive stop strip can be detached from from the limit through slot of limit plate, and positive stop strip just no longer generates limit to limit plate, in this way
Driving wheel allows to drive limit plate rotation.
The design of driving wheel, first rotating shaft, axle sleeve, scroll spring, connecting plate, articulated slab and lid is：First,
When lid tightly covers in the port of lid set, scroll spring is in reversed negative compression state, and the cone tooth on driving wheel is not at this time
The second arc cone tooth generation with the first arc cone tooth on the first incomplete bevel gear and on the second incomplete bevel gear is engaged
Relationship.Second, in order to open lid by the port of lid set, so need scroll spring being first reset to nature,
Then warp beam sleeve, scroll spring, connecting plate drive articulated slab around the axis oscillating of first rotating shaft to first rotating shaft again, and then hingedly
Strip moves the port that lid opens lid set, so driving wheel is boring the driving that tooth or the second arc cone tooth drive through the first arc
The stage main function of wheel starting rotation is that driving wheel drives scroll spring to be restored to nature through first rotating shaft and axle sleeve；
Driving wheel is to drive boring the stage main function for the driving wheel later period rotation that tooth or the second arc cone tooth drive through the first arc
When driving wheel drives scroll spring to compress to a certain extent through first rotating shaft and axle sleeve, scroll spring is supplied to articulated slab through connecting plate
Swing torque is greater than the resistance torque between first rotating shaft and articulated slab, and driving wheel can be through first rotating shaft, axle sleeve, scrollwork bullet at this time
Spring, connecting plate and articulated slab drive lid to open the port that lid covers.
Dustproof cover in the present invention is primarily adapted for use in the fixed non-rotary coagulation of mixing drum in concrete material whipping process
Native blender, and when the feeding of the mixing drum of the concrete mixer of the type and discharging, mixing drum is made by rotating mechanism
Feed inlet and outlet upward when receive the raw material of concrete, by rotating mechanism make the feed inlet and outlet of mixing drum downward when put
The concrete being stirred out, and when the raw material of the concrete in rabbling mechanism stirring mixing drum, rotating mechanism makes mixing drum
Feed inlet and outlet be in horizontality.
It is as follows for the installation method of the dustproof cover in the present invention：One end that dust-proof Gaizhonggai covers separate lid, which is nested in, to be stirred
It mixes at the feed inlet and outlet of cylinder, when in a horizontal state in the feed inlet and outlet of mixing drum, lid set is also at horizontality, and lid will cover
The port of set tightly covers in completely, and scroll spring will be in compressive state, at this time under the gravity of pouring weight, bar shaped wobble plate
Axis with lid set is at plumbness.When the axis of bar shaped wobble plate and lid set is at plumbness, on the first incomplete bevel gear
The first arc cone tooth and driving wheel on cone tooth do not generate meshing relation；The second arc on second incomplete bevel gear bores tooth
Meshing relation is not generated with the cone tooth on driving wheel；When the protruding end of cam is in contact with the fillet of positive stop strip, positive stop strip is separate
One end of fillet is located in the limit through slot of limit plate, and driving wheel is rotated by limitation, and guide block spring is stretched.
When tightly covering in the port of lid set completely for lid, scroll spring is in compressive state, in order to prevent whirlpool
The compressive state of coil spring fails, so the rotation of axle sleeve, first rotating shaft and driving wheel is limited, this is why to set
Meter positive stop strip is located at the reason in the limit through slot of limit plate far from one end of fillet.
When rotating mechanism makes the feed inlet and outlet of mixing drum need raw material on to receive concrete, mixing drum into
Discharge port drives dustproof cover to be swung up from horizontality, and due to the effect of the gravity of pouring weight, pouring weight makes bar shaped wobble plate always
It is in a vertical state, thus pouring weight and bar shaped wobble plate can follow dustproof cover from horizontality be swung up during will always from
In vertical state.It is described below to be covered with lid for stationary reference in order to describe conveniently, then above-mentioned mixing drum is stationary, it is above-mentioned
Pouring weight and bar shaped wobble plate can be swung around the axis of the second shaft to the direction close to mixing drum, so bar shaped wobble plate will drive the
The rotation of two shafts, the first incomplete bevel gear and the second incomplete bevel gear follow the second shaft to rotate at this time, and first not exclusively
The first arc cone tooth on bevel gear can be generated with the cone tooth on driving wheel to be engaged, the second arc on the second incomplete bevel gear
Cone tooth will not be generated with the cone tooth on driving wheel and be engaged.It rotates by a certain angle in the first arc cone tooth and is produced with the cone tooth on driving wheel
Before raw engagement, the second shaft band moving cam rotates, so that the protruding end of cam no longer be there is to produce from one end of fillet with positive stop strip
Raw contact, then positive stop strip is mobile to the direction far from limit plate, and positive stop strip can be from limit under the reset force of guide block spring
It is detached from the limit through slot of plate, positive stop strip just no longer generates limit to limit plate, and driving wheel drives the rotation of limit plate to be released from
Limit.
It sets the first arc cone tooth and engages rotating to be counterclockwise for rear drive sprocket, driving wheel with the cone tooth generation on driving wheel
Limit plate is driven to rotate counterclockwise, driving wheel drives axle sleeve to rotate counterclockwise through first rotating shaft；Driving wheel is bored by the first arc
Tooth drives the initial phase of rotation, and driving wheel drives scroll spring to be restored to nature through first rotating shaft and axle sleeve；Then, it drives
Driving wheel drives scroll spring to compress in the later stage for being driven rotation by the first arc cone tooth, driving wheel through first rotating shaft and axle sleeve
When to a certain extent, scroll spring is supplied to the resistance that articulated slab swing torque is greater than between first rotating shaft and articulated slab through connecting plate
Torque, driving wheel can drive lid to open lid set through first rotating shaft, axle sleeve, scroll spring, connecting plate and articulated slab at this time
Port.Concrete material can enter in mixing drum through covering the feed inlet and outlet of the port of set and mixing drum in this way.
When rotating mechanism, which rotates the feed inlet and outlet of mixing drum, is restored to horizontality, dustproof cover follows feed inlet and outlet multiple
Horizontal position is arrived in position, and pouring weight and bar shaped wobble plate are in vertical shape always during following dustproof cover to reset to horizontality
State；It is described below to be covered with lid for stationary reference in order to describe conveniently, then above-mentioned mixing drum is stationary, above-mentioned pouring weight and item
Shape wobble plate, which can be swung around the axis of the second shaft to the direction far from mixing drum, to be resetted, so bar shaped wobble plate will drive second turn
Axis reversely rotates, and the second shaft drives driving wheel to rotate clockwise through the first arc cone tooth on the first incomplete bevel gear, directly
It does not bore tooth with the first arc to the cone tooth being restored on driving wheel and the second arc cone tooth generates the position of the relationship engaged, herein
In the process, driving wheel drives port of the lid again by lid set through first rotating shaft, axle sleeve, scroll spring, connecting plate and articulated slab
The state tightly covered in completely, scroll spring are again at compressive state.It can be generated around the axis of itself in the second shaft
During reverse rotation, the second shaft band moving cam is reversely rotated, and the protruding end of cam moves closer to the fillet of positive stop strip, limits
Position item is upward by cam, and positive stop strip drives guide block mobile to the direction far from cam, and guide block spring is stretched；When cam
When there is with positive stop strip protruding end one end generation of fillet to contact again, positive stop strip is inserted into limit plate far from one end of fillet
It limits in through slot, positive stop strip limits limit plate, and then driving wheel and limit plate are rotated by limitation.
When the concrete that rotating mechanism makes the feed inlet and outlet of mixing drum need to be stirred towards releasing of getting off, mixing drum
Feed inlet and outlet drives dustproof cover from horizontality to lower swing, and due to the effect of the gravity of pouring weight, pouring weight makes bar shaped wobble plate begin
It is in a vertical state eventually, so pouring weight and bar shaped wobble plate can follow dustproof cover from horizontality to will be always during lower swing
It is in a vertical state.It is described below to be covered with lid for stationary reference in order to describe conveniently, then above-mentioned mixing drum is stationary, on
Stating pouring weight and bar shaped wobble plate can swing around the axis of the second shaft to the direction far from mixing drum, so bar shaped wobble plate will drive
The rotation of second shaft, the first incomplete bevel gear and the second incomplete bevel gear follow the second shaft to rotate at this time, and first is endless
The first arc cone tooth on full bevel gear will not be generated with the cone tooth on driving wheel to be engaged, second on the second incomplete bevel gear
Arc cone tooth can be generated with the cone tooth on driving wheel to be engaged.It rotates by a certain angle and the cone tooth on driving wheel in the second arc cone tooth
Before generating engagement, the second shaft band moving cam rotates, so that the protruding end of cam no longer has one end of fillet with positive stop strip
Contact is generated, then positive stop strip is mobile to the direction far from limit plate, and positive stop strip can be from limit under the reset force of guide block spring
It is detached from the limit through slot of position plate, positive stop strip just no longer generates limit to limit plate, and driving wheel drives the rotation of limit plate to be solved
Except limit.
It is also driving counterclockwise that the second arc cone tooth, which generates with the cone tooth on driving wheel and engages the rotation of rear drive sprocket, at this time
Wheel drives limit plate to rotate counterclockwise, and driving wheel drives axle sleeve to rotate counterclockwise through first rotating shaft；Driving wheel is by the second arc
The initial phase that tooth drives rotation is bored, driving wheel drives scroll spring to be restored to nature through first rotating shaft and axle sleeve；Then,
Driving wheel drives scroll spring pressure through first rotating shaft and axle sleeve in the later stage for being driven rotation by the second arc cone tooth, driving wheel
When being reduced to a certain degree, scroll spring is supplied to articulated slab swing torque through connecting plate and is greater than between first rotating shaft and articulated slab
Torque is hindered, driving wheel can drive lid to open lid set through first rotating shaft, axle sleeve, scroll spring, connecting plate and articulated slab at this time
Port.The concrete being stirred in this way can agitated cylinder feed inlet and outlet and lid set port outflow.
When rotating mechanism, which rotates the feed inlet and outlet of mixing drum, is restored to horizontality, dustproof cover follows feed inlet and outlet multiple
Horizontal position is arrived in position, and pouring weight and bar shaped wobble plate are in vertical shape always during following dustproof cover to reset to horizontality
State；It is described below to be covered with lid for stationary reference in order to describe conveniently, then above-mentioned mixing drum is stationary, above-mentioned pouring weight and item
Shape wobble plate, which can be swung around the axis of the second shaft to the direction close to mixing drum, to be resetted, so bar shaped wobble plate will drive second turn
Axis reversely rotates, and the second shaft drives driving wheel to rotate clockwise through the second arc cone tooth on the second incomplete bevel gear, directly
It does not bore tooth with the first arc to the cone tooth being restored on driving wheel and the second arc cone tooth generates the position of the relationship engaged, herein
In the process, driving wheel drives port of the lid again by lid set through first rotating shaft, axle sleeve, scroll spring, connecting plate and articulated slab
The state tightly covered in completely, scroll spring are again at compressive state.It can be generated around the axis of itself in the second shaft
During reverse rotation, the second shaft band moving cam is reversely rotated, and the protruding end of cam moves closer to the fillet of positive stop strip, limits
Position item is upward by cam, and positive stop strip drives guide block mobile to the direction far from cam, and guide block spring is stretched；When cam
When there is with positive stop strip protruding end one end generation of fillet to contact again, positive stop strip is inserted into limit plate far from one end of fillet
It limits in through slot, positive stop strip limits limit plate, and then driving wheel and limit plate are rotated by limitation.
The use advantage of dustproof cover in the present invention is：In rotating mechanism the feed inlet and outlet of mixing drum is in
When horizontality, dustproof cover is in closed state, that is, the state that lid tightly covers in the port of lid set completely；In this way
It is ensured that rolling of the concrete material in mixing drum will cause when rabbling mechanism stirs the concrete material in mixing drum
A large amount of raw material dust will not be emerged from the feed inlet and outlet of mixing drum in the atmosphere for being diffused into surrounding, avoid the raw material powder emerged
Dirt causes the pollution of the atmosphere around concrete mixer, plays and takes turns certain environmental-protection function.In addition, raw material dust will not emerge
But also breathing environment locating for the worker of concrete mixer periphery work is better, the body of worker will not be caused to exhale
Inhale damage.
Relative to traditional dustproof cover technology, dustproof cover of the invention can be according to the feed inlet and outlet on mixing drum in needs
It can be automatically opened when by feeding or discharging, and during the concrete material in mixing drum is stirred, on mixing drum
Feed inlet and outlet is covered in by dustproof cover, and rolling of such concrete material in mixing drum will cause a large amount of raw material dust will not
It emerges in the atmosphere for being diffused into surrounding from the feed inlet and outlet of mixing drum, avoids the raw material dust emerged and cause concrete mixer
The pollution of the atmosphere of surrounding is played and takes turns certain environmental-protection function.The configuration of the present invention is simple has preferable using effect.
Detailed description of the invention
Fig. 1 is dustproof cover overall schematic.
Fig. 2 is that dustproof cover integrally removes the structural schematic diagram after lid set and lid.
Fig. 3 is the partial enlargement diagram of Fig. 2.
Fig. 4 is the first fixed plate and the second shaft scheme of installation.
Fig. 5 is articulated slab and connecting plate scheme of installation.
Fig. 6 is axle sleeve scheme of installation.
Fig. 7 is the schematic section elevation of first rotating shaft and articulated slab installation.
Fig. 8 is scroll spring scheme of installation.
Fig. 9 is cam scheme of installation.
Figure 10 is that driving wheel matches schematic diagram with the first incomplete bevel gear and the second incomplete bevel gear respectively.
Figure 11 is positive stop strip installation diagrammatic cross-section.
Figure 12 is the 5th fixed plate and cam installation diagrammatic cross-section.
Figure 13 is guide block scheme of installation.
Figure 14 is the schematic side view that dustproof cover is mounted on mixing drum feed inlet and outlet.
Figure 15 is the schematic elevation view that dustproof cover is mounted on mixing drum feed inlet and outlet.
Figure label title：1, lid set；2, lid；3, the first fixed plate；4, the second fixed plate；5, the 4th fixed plate；6,
Pouring weight；7, bar shaped wobble plate；8, scroll spring；9, articulated slab；10, driving wheel；12, third fixed plate；13, the second shaft；14,
One incomplete bevel gear；15, the second incomplete bevel gear；16, trunnion；17, connecting plate；18, limit plate；19, the 5th fixed plate；
20, cam；21, axle sleeve；22, first rotating shaft；23, tooth is bored；24, the first arc bores tooth；25, the second arc bores tooth；26, limit is logical
Slot；27, positive stop strip；28, guide block spring；29, guide block；30, guide groove；31, sliding channel；32, fillet；45, the disengaging of mixing drum
Material mouth；46, mixing drum.
Specific embodiment
As shown in Fig. 1,3,5,6, it includes 1, lid 2, the first fixed plate 3, the second fixed plate 4, the 4th fixed plate of lid set
5, pouring weight 6, bar shaped wobble plate 7, scroll spring 8, articulated slab 9, driving wheel 10, third fixed plate 12, the second shaft 13, first are endless
Full bevel gear 14, the second incomplete bevel gear 15, trunnion 16, connecting plate 17, limit plate 18, the 5th fixed plate 19, cam 20, axis
Set 21, first rotating shaft 22, cone tooth 23, the first arc cone tooth 24, the second arc cone tooth 25, limit through slot 26, positive stop strip 27, guide block
Spring 28, guide block 29, guide groove 30, sliding channel 31 are fixedly installed on the periphery of 1 one end of middle cover set as shown in Fig. 1,4
First fixed plate 3；As shown in Fig. 4,6, there are two the first fixed plate 3 is symmetrically fixedly mounted on the side of 1 port of lid set
Trunnion 16；There is circular hole in each trunnion 16；As shown in Fig. 1,4, second is fixedly installed on lid 1 middle position periphery of set
Fixed plate 4；Second fixed plate 4 is located at the downside of the first fixed plate 3；Second fixed plate 4 is fixedly installed with far from one end of lid set 1
5th fixed plate 19；One end of third fixed plate 12 is fixedly mounted in the second fixed plate 4, and it is solid that the other end is fixedly installed with the 4th
Fixed board 5；Third fixed plate 12 is located between lid set 1 and the 5th fixed plate 19；4th fixed plate 5 is with the second fixed plate 4 at vertical
State, and the 4th fixed plate 5 is located between lid set 1 and the 5th fixed plate 19；4th fixed plate 5 far from third fixed plate 12 one
There is circular hole at end；One end of second shaft 13 is mounted in the circular hole of the 4th fixed plate 5 by bearing, and the other end is fixedly mounted
There is bar shaped wobble plate 7；5th fixed plate 19 is between the second shaft 13 and the second fixed plate 4；Bar shaped wobble plate 7 is far from the second shaft
13 one end is fixedly installed with pouring weight 6.
As shown in Figure 6,7, first rotating shaft 22 is separately mounted in the circular hole of two trunnions 16 by two bearings, and first
The both ends of shaft 22 are pierced by corresponding trunnion 16；It is symmetrically solid on 22 periphery of first rotating shaft of two 16 two sides of trunnion
There are two axle sleeves 21 for Dingan County's dress；As shown in Figure 6,7, one end of articulated slab 9 is nested on 22 periphery of first rotating shaft, such as Fig. 5,6
Shown, the other end is fixedly installed with lid 2；Lid 2 is matched with lid set 1；As shown in fig. 6, articulated slab 9 is located at two trunnions 16
Between；The structure installed on each axle sleeve 21 is all the same, for one of axle sleeve 21：As shown in Fig. 5,8, scroll spring
8 one end is mounted on the periphery of axle sleeve 21, and the other end is mounted on the corresponding side of articulated slab 9 by connecting plate 17.
As shown in Fig. 2,3,6, first rotating shaft 22 is equipped with driving wheel 10 on one end periphery of the second shaft 13；Such as
Shown in Fig. 6, driving wheel 10 has cone tooth 23 far from one end of trunnion 16；As shown in Fig. 3,10, the periphery of driving wheel 10 is fixed
Limit plate 18 is installed；Limit plate 18 is provided with the limit through slot 26 of perforation at one end far from driving wheel 10；Limit plate 18 is located at
Between driving wheel 10 and the 5th fixed plate 19, and limit plate 18 is located at 19 upside of the 5th fixed plate；As shown in Fig. 2,9, first is not
Complete bevel gear 14 and the second incomplete bevel gear 15 are installed on the periphery of the second shaft 13；Driving wheel 10 is located at first
Between incomplete bevel gear 14 and the second incomplete bevel gear 15, as shown in Fig. 3,10, and driving wheel 10 is located at first not exclusively
14 upside of bevel gear；As shown in figure 9, the first incomplete bevel gear 14 is located at the second incomplete bevel gear 15 and the 4th fixed plate 5
Between；On first incomplete bevel gear 14 there is the first arc to bore tooth 24；There is the second arc on second incomplete bevel gear 15
Bore tooth 25；As shown in Figure 10, the first arc cone tooth 24 on the first incomplete bevel gear 14 and 23 phase of cone tooth on driving wheel 10
Cooperation；The second arc cone tooth 25 on second incomplete bevel gear 15 is matched with the cone tooth 23 on driving wheel 10.
As shown in Fig. 3,9,12, cam 20 is fixedly mounted on the periphery of the second shaft 13, and cam 20 is located at second
Between incomplete bevel gear 15 and bar shaped wobble plate 7；As shown in figure 12, at the one end of the 5th fixed plate 19 far from the second fixed plate 4
It is provided with the sliding channel 31 of perforation；It symmetrically opens there are two guide groove 30 two sides of sliding channel 31；As shown in Figure 11,12,13, limit
Position article 27 is mounted in the sliding channel 31 of the 5th fixed plate 19 by way of being slidably matched, and the both ends of positive stop strip 27 are worn
Cross sliding channel 31；It symmetrically installs there are two guide block 29 two sides of positive stop strip 27；Two guide blocks 29 pass through the side being slidably matched
Formula is separately mounted in two guide grooves 30；One end of two guide block springs 28 is separately mounted on two guide blocks 29, the other end point
It An Zhuan not be on the groove face of two guide grooves 30；Two guide block springs 28 are located in two guide grooves 30；One end of positive stop strip 27 with
Limit through slot 26 on limit plate 18 matches, and is in contact on the other end and the periphery of cam 20.
As shown in Figure 14,15, above-mentioned lid covers the feed inlet and outlet that 1 one end far from lid 2 is nested in mixing drum 46.
As shown in Fig. 1,10, when the axis of bar shaped wobble plate 7 and lid set 1 is at plumbness, the first incomplete bevel gear 14
On the first arc cone tooth 24 and driving wheel 10 on cone tooth 23 do not generate meshing relation；On second incomplete bevel gear 15
Cone tooth 23 on two arcs cone tooth 25 and driving wheel 10 does not generate meshing relation.
As shown in Fig. 1,2,10, when pouring weight 6 drives bar shaped wobble plate 7 around 13 axis of the second shaft relatively to mixing drum 46
When close, the first arc cone tooth 24 on the first incomplete bevel gear 14 and the cone tooth 23 on driving wheel 10 generate meshing relation.
As shown in Fig. 1,2,10, when pouring weight 6 drives bar shaped wobble plate 7 around 13 axis of the second shaft relatively to mixing drum 46
When separate, the second arc cone tooth 25 on the second incomplete bevel gear 15 and the cone tooth 23 on driving wheel 10 generate meshing relation.
As shown in Figure 1, the diameter of above-mentioned lid 2 is greater than the periphery diameter of lid set 1.This ensures that lid 2 with
When the port fitting of lid set 1, the port of lid set 1 can be completely covered by by lid 2 completely.
When the axis of bar shaped wobble plate 7 and lid set 1 is at plumbness, the port of lid 2 and lid set 1 is in fit-state,
Scroll spring 8 is in reversed negative compression state.When the axis of bar shaped wobble plate 7 and lid set 1 is at plumbness, the disengaging of mixing drum
Material mouth 45 is in horizontality, and lid set 1 is also at horizontality, and the port of lid set 1 is completely covered by by lid 2 at this time, in order to
It can guarantee that lid 2 tightly covers in the port of lid set 1, so scroll spring 8 will be in reversed negative compression state.
As shown in Figure 10, the above-mentioned first incomplete bevel gear 14 is identical with the size of the second incomplete bevel gear 15, and first
The nominal diameter of incomplete bevel gear 14 is greater than the nominal diameter of 10 epicone tooth 23 of driving wheel；First arc bores tooth 24 and the second arc
Shape bores radian locating for tooth 25 between 80 to 90 degree.Such design is exactly to bore tooth 24 or the in the first arc to guarantee
When two arcs cone tooth 25 is engaged with the generation of cone tooth 23 on driving wheel 10, the radians of 80 to 90 degree can make the first arc bore tooth 24
Or second arc cone tooth 25 drive driving wheel 10 rotate enough angles, meet driving wheel 10 through first rotating shaft 22, axle sleeve 21, scrollwork
Spring 8, connecting plate 17 and articulated slab 9 drive lid 2 to open the port certain angle of lid set 1, allow concrete material or coagulation
Soil can be passed in and out from the feed inlet and outlet 45 of mixing drum.
Above-mentioned guide block spring 28 is extension spring, and when guide block spring 28 is non-stretched, guide block 29 is located at the centre of guide groove 30
Position, positive stop strip 27 are not inserted into the limit through slot 26 of limit plate 18 far from one end of cam 20, and positive stop strip 27 has at this time
One end of fillet 32 is still contacted with the generation of the periphery of cam 20.
As shown in figure 13, one end that above-mentioned positive stop strip 27 is in contact with 20 periphery of cam has fillet 32.It is such to set
Meter is to guarantee, positive stop strip 27 has one end of fillet 32 in the process with the prolonged extrusion friction of the periphery of cam 20
In, the design of fillet 32 helps to reduce the material damage that long-time extrusion friction generates between positive stop strip 27 and 20 periphery of cam
Consumption.
As shown in figure 11, when the protruding end of cam 20 is in contact with the fillet 32 of positive stop strip 27, positive stop strip 27 is far from circle
The one end at angle 32 is located in the limit through slot 26 of limit plate 18, and guide block spring 28 is stretched.
The first arc cone when the axis of bar shaped wobble plate 7 and lid set 1 is at plumbness, on the first incomplete bevel gear 14
Cone tooth 23 on tooth 24 and driving wheel 10 does not generate meshing relation；On second incomplete bevel gear 15 the second arc cone tooth 25 with
Cone tooth 23 on driving wheel 10 does not generate meshing relation.Such design rotates centainly to guarantee in the first arc cone tooth 24
Angle or the second arc cone tooth 25 rotate by a certain angle on driving wheel 10 cone tooth 23 generation engage before, the second shaft 13
Rotation with moving cam 20 so that cam 20 protruding end no longer with positive stop strip 27 have fillet 32 one end generate contact, then
Under the reset force of guide block spring 28, positive stop strip 27 is mobile to the direction far from limit plate 18, and positive stop strip 27 can be from limit plate
It is detached from 18 limit through slot 26, positive stop strip 27 just no longer generates limit to limit plate 18；In positive stop strip 27 to far from limit plate
During 18 direction is mobile, there is positive stop strip 27 one end of fillet 32 to contact always with the generation of the periphery of cam 20.
One end of positive stop strip 27 is matched with the limit through slot 26 on limit plate 18, on the periphery of the other end and cam 20
The design being in contact is：First, when guide block spring 28 is non-stretched, guide block 29 is located at the middle position of guide groove 30, positive stop strip
27 one end far from cam 20 are not inserted into the limit through slot 26 of limit plate 18, and positive stop strip 27 has one end of fillet 32 at this time
Still contacted with the generation of the periphery of cam 20.Second, when the protruding end of cam 20 is in contact with the fillet 32 of positive stop strip 27,
Positive stop strip 27 is located in the limit through slot 26 of limit plate 18 far from one end of fillet 32, and guide block spring 28 is stretched.Third, when
Second rotation of the shaft 13 with moving cam 20 is so that the protruding end of cam 20 no longer be there is to produce from one end of fillet 32 with positive stop strip 27
Raw contact, then positive stop strip 27 is mobile to the direction far from limit plate 18, and positive stop strip 27 can under the reset force of guide block spring 28
To be detached from from the limit through slot 26 of limit plate 18, positive stop strip 27 just no longer generates limit, such driving wheel 10 to limit plate 18
Allow that limit plate 18 is driven to rotate.
For setting for driving wheel 10, first rotating shaft 22, axle sleeve 21, scroll spring 8, connecting plate 17, articulated slab 9 and lid 2
Meter is：First, when lid 2 tightly covers in the port of lid set 1, scroll spring 8 is in reversed negative compression state, drives at this time
Cone tooth 23 on driving wheel 10 does not bore tooth 24 and the second incomplete bevel gear 15 with the first arc on the first incomplete bevel gear 14
On the second arc cone tooth 25 generate meshing relation.Second, in order to make lid 2 will lid set 1 port open, so need by
Scroll spring 8 is first reset to nature, and then warp beam sleeve 21, scroll spring 8, connecting plate 17 drive hinge to first rotating shaft 22 again
Fishplate bar 9 surrounds the axis oscillating of first rotating shaft 22, and then articulated slab 9 drives lid 2 to open the port that lid covers 1, so driving wheel
10 are in the stage main function for boring the starting rotation of driving wheel 10 that tooth 24 or the second arc cone tooth 25 drive through the first arc,
Driving wheel 10 drives scroll spring 8 to be restored to nature through first rotating shaft 22 and axle sleeve 21；Driving wheel 10 is through the first arc
The stage main function for boring 10 later period of the driving wheel rotation that tooth 24 or the second arc cone tooth 25 drive is that driving wheel 10 is through first
When shaft 22 and axle sleeve 21 drive scroll spring 8 to compress to a certain extent, scroll spring 8 is supplied to articulated slab 9 through connecting plate 17
Swing torque is greater than the resistance torque between first rotating shaft 22 and articulated slab 9, and driving wheel 10 can be through first rotating shaft 22, axle sleeve at this time
21, scroll spring 8, connecting plate 17 and articulated slab 9 drive lid 2 to open the port that lid covers 1.
Specific embodiment：Dustproof cover in the present invention is primarily adapted for use in mixing drum in concrete material whipping process and fixes
Non-rotary concrete mixer, and when the feeding of the mixing drum of the concrete mixer of the type and discharging, pass through whirler
Structure make the feed inlet and outlet 45 of mixing drum upward when receive the raw material of concrete, the disengaging of mixing drum is made by rotating mechanism
Material mouth 45 downward when release the concrete being stirred, and when the raw material of the concrete in rabbling mechanism stirring mixing drum, rotation
Rotation mechanism makes the feed inlet and outlet 45 of mixing drum be in horizontality.
It is as follows for the installation method of the dustproof cover in the present invention as shown in Figure 14,15：The separate lid of dust-proof Gaizhonggai set 1
One end of son 2 is nested at the feed inlet and outlet 45 of mixing drum, when in a horizontal state in the feed inlet and outlet 45 of mixing drum, lid set 1
It is also at horizontality, lid 2 tightly covers in the port of lid set 1 completely, and scroll spring 8 will be in reversed negative compression shape
State, at this time under the gravity of pouring weight 6, the axis of bar shaped wobble plate 7 and lid set 1 is at plumbness.When bar shaped wobble plate 7 and lid cover
When 1 axis is at plumbness, the first arc cone tooth 24 on the first incomplete bevel gear 14 and the cone tooth 23 on driving wheel 10
Meshing relation is not generated；The second arc cone tooth 25 on second incomplete bevel gear 15 does not generate with the cone tooth 23 on driving wheel 10
Meshing relation；When the protruding end of cam 20 is in contact with the fillet 32 of positive stop strip 27, one end position of the positive stop strip 27 far from fillet 32
In the limit through slot 26 of limit plate 18, driving wheel 10 is rotated by limitation, and guide block spring 28 is stretched.
When tightly covering in the port of lid set 1 completely for lid 2, scroll spring 8 is in reversed negative compression state, is
Prevent the compressive state of scroll spring 8 from failing, so the rotation of axle sleeve 21, first rotating shaft 22 and driving wheel 10 is limited,
This is why to design the reason that positive stop strip 27 is located in the limit through slot 26 of limit plate 18 far from one end of fillet 32.
When rotating mechanism makes the feed inlet and outlet 45 of mixing drum need the raw material on to receive concrete, mixing drum
Feed inlet and outlet 45 drives dustproof cover to be swung up from horizontality, and due to the effect of the gravity of pouring weight 6, pouring weight 6 puts bar shaped
Plate 7 is in a vertical state always, so the process that pouring weight 6 and bar shaped wobble plate 7 can follow dustproof cover to be swung up from horizontality
In it is in a vertical state always.In order to describe conveniently, described below with lid set 1 is stationary reference, then above-mentioned mixing drum 46
Stationary, above-mentioned pouring weight 6 and bar shaped wobble plate 7 can be swung around the axis of the second shaft 13 to the direction close to mixing drum 46,
So bar shaped wobble plate 7 will drive the rotation of the second shaft 13, at this time the first incomplete bevel gear 14 and the second incomplete bevel gear 15
The second shaft 13 is followed to rotate, the first arc cone tooth 24 on the first incomplete bevel gear 14 can be with the cone tooth 23 on driving wheel 10
Engagement is generated, the second arc cone tooth 25 on the second incomplete bevel gear 15 will not be generated with the cone tooth 23 on driving wheel 10 to be nibbled
It closes.Before the first arc cone tooth 24 rotates by a certain angle and engages with the generation of cone tooth 23 on driving wheel 10,13 band of the second shaft
Moving cam 20 rotates, and contacts so that no longer there is with positive stop strip 27 protruding end of cam 20 one end of fillet 32 to generate, then
Under the reset force of guide block spring 28, positive stop strip 27 is mobile to the direction far from limit plate 18, and positive stop strip 27 can be from limit plate 18
Limit through slot 26 in be detached from, positive stop strip 27 just no longer to limit plate 18 generate limit, driving wheel 10 drive limit plate 18 rotation
Turn to be released from limit.
As shown in Figure 10, the first arc of setting cone tooth 24 engages rear drive sprocket 10 with cone tooth 23 generation on driving wheel 10
It rotates to be counterclockwise, driving wheel 10 drives limit plate 18 to rotate counterclockwise, and driving wheel 10 drives axle sleeve 21 inverse through first rotating shaft 22
Hour hands rotation；Driving wheel 10 is in the initial phase for being driven rotation by the first arc cone tooth 24, and driving wheel 10 is through 22 He of first rotating shaft
Axle sleeve 21 drives scroll spring 8 to be restored to nature；Then, driving wheel 10 is after driving rotation by the first arc cone tooth 24
In stage phase, when driving wheel 10 drives scroll spring 8 to compress to a certain extent through first rotating shaft 22 and axle sleeve 21, scroll spring 8 is passed through
Connecting plate 17 is supplied to the resistance torque that 9 swing torque of articulated slab is greater than between first rotating shaft 22 and articulated slab 9, at this time driving wheel 10
Lid 2 can be driven to open the port of lid set 1 through first rotating shaft 22, axle sleeve 21, scroll spring 8, connecting plate 17 and articulated slab 9.
Concrete material can cover 1 port through lid in this way and the feed inlet and outlet 45 of mixing drum enters in mixing drum.
When rotating mechanism, which rotates the feed inlet and outlet 45 of mixing drum, is restored to horizontality, dustproof cover follows feed inlet and outlet
Horizontal position is reset to, pouring weight 6 and bar shaped wobble plate 7 are in vertical always during following dustproof cover to reset to horizontality
State；In order to describe conveniently, described below with lid set 1 is stationary reference, then above-mentioned mixing drum 46 is stationary, above-mentioned pouring weight
6 and bar shaped wobble plate 7 can around the second shaft 13 axis to far from mixing drum 46 direction swing reset, so bar shaped wobble plate 7
It will drive the reverse rotation of the second shaft 13, the second shaft 13 drives through the first arc cone tooth 24 on the first incomplete bevel gear 14
Driving wheel 10 rotates clockwise, until the cone tooth 23 being restored on driving wheel 10 does not bore tooth 24 and the second arc cone with the first arc
Tooth 25 generates the position of the relationship of engagement, and in the process, driving wheel 10 is through first rotating shaft 22, axle sleeve 21, scroll spring 8, company
The state that fishplate bar 17 and articulated slab 9 drive lid 2 again tightly to cover in the port of lid set 1 completely, scroll spring 8 are located again
In compressive state.During the second shaft 13 can generate reverse rotation around the axis of itself, the second shaft 13 drives convex
Wheel 20 reversely rotates, and the protruding end of cam 20 moves closer to the fillet 32 of positive stop strip 27, and positive stop strip 27 is upward by cam 20,
Positive stop strip 27 drives guide block 29 mobile to the direction far from cam 20, and guide block spring 28 is stretched；When cam 20 protruding end again
When there is secondary and positive stop strip 27 one end generation of fillet 32 to contact, positive stop strip 27 is inserted into limit plate 18 far from one end of fillet 32
Limit through slot 26 in, positive stop strip 27 limits limit plate 18, and then driving wheel 10 and limit plate 18 are rotated by limitation.
When the concrete that rotating mechanism makes the feed inlet and outlet 45 of mixing drum need to be stirred towards releasing of getting off, mixing drum
Feed inlet and outlet 45 drive dustproof cover from horizontality to lower swing, due to the effect of the gravity of pouring weight 6, pouring weight 6 makes bar shaped
Wobble plate 7 is in a vertical state always, so pouring weight 6 and bar shaped wobble plate 7 can follow mistake of the dustproof cover from horizontality to lower swing
It is in a vertical state always in journey.In order to describe conveniently, described below with lid set 1 is stationary reference, then above-mentioned mixing drum
46 is stationary, and above-mentioned pouring weight 6 and bar shaped wobble plate 7 can be put around the axis of the second shaft 13 to the direction far from mixing drum 46
It is dynamic, so bar shaped wobble plate 7 will drive the rotation of the second shaft 13, the first incomplete bevel gear 14 and the second incomplete bevel gear at this time
15 follow the second shaft 13 to rotate, and the first arc cone tooth 24 on the first incomplete bevel gear 14 will not be with the cone on driving wheel 10
Tooth 23 generates engagement, and the second arc cone tooth 25 on the second incomplete bevel gear 15 can be nibbled with the generation of cone tooth 23 on driving wheel 10
It closes.Before the second arc cone tooth 25 rotates by a certain angle and engages with the generation of cone tooth 23 on driving wheel 10,13 band of the second shaft
Moving cam 20 rotates, and contacts so that no longer there is with positive stop strip 27 protruding end of cam 20 one end of fillet 32 to generate, then
Under the reset force of guide block spring 28, positive stop strip 27 is mobile to the direction far from limit plate 18, and positive stop strip 27 can be from limit plate 18
Limit through slot 26 in be detached from, positive stop strip 27 just no longer to limit plate 18 generate limit, driving wheel 10 drive limit plate 18 rotation
Turn to be released from limit.
As shown in Figure 10, the second arc cone tooth 25 generates with the cone tooth 23 on driving wheel 10 and engages rear drive sprocket 10 at this time
It is also counterclockwise for rotating, and driving wheel 10 drives limit plate 18 to rotate counterclockwise, and driving wheel 10 drives axle sleeve 21 through first rotating shaft 22
Rotation counterclockwise；Driving wheel 10 is in the initial phase for being driven rotation by the second arc cone tooth 25, and driving wheel 10 is through first rotating shaft 22
Scroll spring 8 is driven to be restored to nature with axle sleeve 21；Then, driving wheel 10 is driving rotation by the second arc cone tooth 25
Later stage, when driving wheel 10 drives scroll spring 8 to compress to a certain extent through first rotating shaft 22 and axle sleeve 21, scroll spring 8
It is supplied to the resistance torque that 9 swing torque of articulated slab is greater than between first rotating shaft 22 and articulated slab 9 through connecting plate 17, at this time driving wheel
10 can drive lid 2 to open the end that lid covers 1 through first rotating shaft 22, axle sleeve 21, scroll spring 8, connecting plate 17 and articulated slab 9
Mouthful.The concrete being stirred in this way can agitated cylinder feed inlet and outlet 45 and lid set 1 port outflow.
When rotating mechanism, which rotates the feed inlet and outlet 45 of mixing drum, is restored to horizontality, dustproof cover follows feed inlet and outlet
Horizontal position is reset to, pouring weight 6 and bar shaped wobble plate 7 are in vertical always during following dustproof cover to reset to horizontality
State；In order to describe conveniently, described below with lid set 1 is stationary reference, then above-mentioned mixing drum 46 is stationary, above-mentioned pouring weight
6 and bar shaped wobble plate 7 can around the second shaft 13 axis to close to mixing drum 46 direction swing reset, so bar shaped wobble plate 7
It will drive the reverse rotation of the second shaft 13, the second shaft 13 drives through the second arc cone tooth 25 on the second incomplete bevel gear 15
Driving wheel 10 rotates clockwise, until the cone tooth 23 being restored on driving wheel 10 does not bore tooth 24 and the second arc cone with the first arc
Tooth 25 generates the position of the relationship of engagement, and in the process, driving wheel 10 is through first rotating shaft 22, axle sleeve 21, scroll spring 8, company
The state that fishplate bar 17 and articulated slab 9 drive lid 2 again tightly to cover in the port of lid set 1 completely, scroll spring 8 are located again
In compressive state.During the second shaft 13 can generate reverse rotation around the axis of itself, the second shaft 13 drives convex
Wheel 20 reversely rotates, and the protruding end of cam 20 moves closer to the fillet 32 of positive stop strip 27, and positive stop strip 27 is upward by cam 20,
Positive stop strip 27 drives guide block 29 mobile to the direction far from cam 20, and guide block spring 28 is stretched；When cam 20 protruding end again
When there is secondary and positive stop strip 27 one end generation of fillet 32 to contact, positive stop strip 27 is inserted into limit plate 18 far from one end of fillet 32
Limit through slot 26 in, positive stop strip 27 limits limit plate 18, and then driving wheel 10 and limit plate 18 are rotated by limitation.
The use advantage of dustproof cover in the present invention is：At the feed inlet and outlet 45 that rotating mechanism makes mixing drum
When horizontality, dustproof cover is in closed state, that is, the state that lid 2 tightly covers in the port of lid set 1 completely；
This ensures that when rabbling mechanism stirs the concrete material in mixing drum, rolling meeting of the concrete material in mixing drum
It causes a large amount of raw material dust will not to emerge from the feed inlet and outlet 45 of mixing drum in the atmosphere for being diffused into surrounding, avoids and emerge
Raw material dust causes the pollution of the atmosphere around concrete mixer, plays and takes turns certain environmental-protection function.In addition, raw material dust is not
Can emerge but also concrete mixer periphery work worker locating for breathing environment it is better, will not be to the body of worker
Cause respiratory compromise.
In conclusion main beneficial effect of the invention is：Dustproof cover of the invention can be according to the disengaging on mixing drum
Material mouth can be automatically opened when needing by feeding or discharging, and during the concrete material in mixing drum is stirred,
Feed inlet and outlet on mixing drum is covered in by dustproof cover, and rolling of such concrete material in mixing drum will cause a large amount of original
Feed powder dirt will not be emerged from the feed inlet and outlet 45 of mixing drum in the atmosphere for being diffused into surrounding, avoided the raw material dust emerged and caused
The pollution of atmosphere around concrete mixer is played and takes turns certain environmental-protection function.The configuration of the present invention is simple, having preferably makes
Use effect.
Claims (8)
1. a kind of dustproof cover that architectural engineering blender uses, it is characterised in that：It includes lid set, lid, the first fixed plate, the
Two fixed plates, the 4th fixed plate, pouring weight, bar shaped wobble plate, scroll spring, articulated slab, driving wheel, third fixed plate, the second shaft,
First incomplete bevel gear, the second incomplete bevel gear, trunnion, connecting plate, limit plate, the 5th fixed plate, cam, axle sleeve,
One shaft, cone tooth, the first arc cone tooth, the second arc cone tooth, limit through slot, positive stop strip, guide block spring, guide block, guide groove, sliding
Through slot, middle cover, which covers, is fixedly installed with the first fixed plate on the periphery of one end；Side of first fixed plate close to lid set port
On be symmetrically fixedly mounted there are two trunnion；There is circular hole in each trunnion；It is fixedly mounted on lid set middle position periphery
There is the second fixed plate；Second fixed plate is located at the downside of the first fixed plate；Second fixed plate is fixedly mounted far from one end of lid set
There is the 5th fixed plate；One end of third fixed plate is fixedly mounted in the second fixed plate, and it is fixed that the other end is fixedly installed with the 4th
Plate；Third fixed plate is located between lid set and the 5th fixed plate；4th fixed plate and the second fixed plate are at plumbness, and the 4th
Fixed plate is located between lid set and the 5th fixed plate；There is circular hole at 4th one end of fixed plate far from third fixed plate；Second
One end of shaft is mounted in the circular hole of the 4th fixed plate by bearing, and the other end is fixedly installed with bar shaped wobble plate；5th is fixed
Plate is between the second shaft and the second fixed plate；Bar shaped wobble plate is fixedly installed with pouring weight far from one end of the second shaft；
First rotating shaft is separately mounted in the circular hole of two trunnions by two bearings, and the both ends of first rotating shaft are pierced by accordingly
Trunnion；Axle sleeve there are two being symmetrically fixedly mounted on the first rotating shaft periphery of two trunnion two sides；The one of articulated slab
End is nested on first rotating shaft periphery, and the other end is fixedly installed with lid；Lid is matched with lid set；Articulated slab is located at two
Between trunnion；The structure installed on each axle sleeve is all the same, for one of axle sleeve：One end of scroll spring is mounted on
On the periphery of axle sleeve, the other end is mounted on the corresponding side of articulated slab by connecting plate；
First rotating shaft is equipped with driving wheel on one end periphery of the second shaft；Driving wheel has cone far from one end of trunnion
Tooth；The periphery of driving wheel is fixedly installed with limit plate；Limit plate is far from the limit through slot for being provided with perforation at one end of driving wheel；
Limit plate is between driving wheel and the 5th fixed plate, and limit plate is located on the upside of the 5th fixed plate；First incomplete bevel gear
It is installed on the periphery of the second shaft with the second incomplete bevel gear；Driving wheel is located at the first incomplete bevel gear and second
Between incomplete bevel gear, and driving wheel is located on the upside of the first incomplete bevel gear；First incomplete bevel gear is located at second not
Between complete bevel gear and the 4th fixed plate；On first incomplete bevel gear there is the first arc to bore tooth；Second not exclusively bores tooth
On wheel there is the second arc to bore tooth；The first arc cone tooth on first incomplete bevel gear is matched with the cone tooth on driving wheel；
The second arc cone tooth on second incomplete bevel gear is matched with the cone tooth on driving wheel；
Cam is fixedly mounted on the periphery of the second shaft, and cam be located at the second incomplete bevel gear and bar shaped wobble plate it
Between；The sliding channel of perforation is provided at 5th one end of fixed plate far from the second fixed plate；It symmetrically opens the two sides of sliding channel
There are two guide grooves；Positive stop strip is mounted in the sliding channel of the 5th fixed plate by way of being slidably matched, and the two of positive stop strip
End both passes through sliding channel；It symmetrically installs there are two guide block the two sides of positive stop strip；Two guide blocks are by way of being slidably matched
It is separately mounted in two guide grooves；One end of two guide block springs is separately mounted on two guide blocks, and the other end installs two respectively
On the groove face of a guide groove；Two guide block springs are located in two guide grooves；Limit on one end and limit plate of positive stop strip is logical
Slot matches, and is in contact on the other end and the periphery of cam；
Above-mentioned lid covers the feed inlet and outlet that one end far from lid is nested in mixing drum；
The first arc cone tooth and driving when the axis of bar shaped wobble plate and lid set is at plumbness, on the first incomplete bevel gear
Cone tooth on wheel does not generate meshing relation；The second arc cone tooth on second incomplete bevel gear does not produce with the cone tooth on driving wheel
Raw meshing relation；
When pouring weight drives bar shaped wobble plate relatively close to mixing drum around the second shaft axis, on the first incomplete bevel gear
The first arc cone tooth and driving wheel on cone tooth generate meshing relation；
When pouring weight drive bar shaped wobble plate around the second shaft axis relatively to mixing drum far from when, on the second incomplete bevel gear
The second arc cone tooth and driving wheel on cone tooth generate meshing relation.
2. a kind of dustproof cover that architectural engineering blender uses according to claim 1, it is characterised in that：Above-mentioned lid
Diameter is greater than the periphery diameter of lid set.
3. a kind of dustproof cover that architectural engineering blender uses according to claim 1, it is characterised in that：When bar shaped wobble plate
When the axis covered with lid is at plumbness, the port of lid and lid set is in fit-state, and scroll spring is in reversed negative compression
State.
4. a kind of dustproof cover that architectural engineering blender uses according to claim 1, it is characterised in that：Above-mentioned first is not
Complete bevel gear is identical with the size of the second incomplete bevel gear, and the nominal diameter of the first incomplete bevel gear is greater than on driving wheel
Bore the nominal diameter of tooth；First arc bores radian locating for tooth and the second arc cone tooth between 80 to 90 degree.
5. a kind of dustproof cover that architectural engineering blender uses according to claim 1, it is characterised in that：Above-mentioned guide block bullet
Spring is extension spring, and when guide block spring is non-stretched, guide block is located at the middle position of guide groove, and the one end of positive stop strip far from cam is not
It is inserted into the limit through slot of limit plate.
6. a kind of dustproof cover that architectural engineering blender uses according to claim 1, it is characterised in that：Above-mentioned positive stop strip
The one end being in contact with cam periphery has fillet.
7. a kind of dustproof cover that architectural engineering blender uses according to claim 7, it is characterised in that：It is convex when cam
When origin or beginning is in contact with the fillet of positive stop strip, positive stop strip is located in the limit through slot of limit plate far from one end of fillet, and guide block
Spring is stretched.
8. a kind of dustproof cover that architectural engineering blender uses according to claim 7, it is characterised in that：It is convex when cam
When origin or beginning is in contact with the fillet of positive stop strip, positive stop strip is located in the limit through slot of limit plate far from one end of fillet, and guide block
Spring is stretched.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010392870.3A CN111571808A (en) | 2018-08-20 | 2018-08-20 | Dustproof method of dustproof cover used for construction engineering stirrer |
| CN201810946187.2A CN108908710B (en) | 2018-08-20 | 2018-08-20 | Dust cover that building engineering mixer used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810946187.2A CN108908710B (en) | 2018-08-20 | 2018-08-20 | Dust cover that building engineering mixer used |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010392870.3A Division CN111571808A (en) | 2018-08-20 | 2018-08-20 | Dustproof method of dustproof cover used for construction engineering stirrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108908710A true CN108908710A (en) | 2018-11-30 |
| CN108908710B CN108908710B (en) | 2020-06-26 |
Family
ID=64405242
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810946187.2A Active CN108908710B (en) | 2018-08-20 | 2018-08-20 | Dust cover that building engineering mixer used |
| CN202010392870.3A Withdrawn CN111571808A (en) | 2018-08-20 | 2018-08-20 | Dustproof method of dustproof cover used for construction engineering stirrer |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010392870.3A Withdrawn CN111571808A (en) | 2018-08-20 | 2018-08-20 | Dustproof method of dustproof cover used for construction engineering stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108908710B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295971A (en) * | 2021-07-28 | 2021-08-24 | 广东电网有限责任公司湛江供电局 | Distribution lines state monitoring indicating device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387233Y (en) * | 1999-07-12 | 2000-07-12 | 吴长波 | Cam-type window latch |
| EP1355773A2 (en) * | 1999-12-23 | 2003-10-29 | Fabrice Messin | Method for preparing a mixture and related apparatus, such as a concrete mixer |
| CN201913710U (en) * | 2010-12-13 | 2011-08-03 | 马鞍山市海天重工科技发展有限公司 | Dust cap of concrete mixer |
| CN207253283U (en) * | 2017-04-19 | 2018-04-20 | 赵白 | Automatic open close cover oil can |
| CN108285051A (en) * | 2018-03-28 | 2018-07-17 | 苏州钜昇机电设备工程有限公司 | A kind of tipping bucket cover-opening structure |
-
2018
- 2018-08-20 CN CN201810946187.2A patent/CN108908710B/en active Active
- 2018-08-20 CN CN202010392870.3A patent/CN111571808A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2387233Y (en) * | 1999-07-12 | 2000-07-12 | 吴长波 | Cam-type window latch |
| EP1355773A2 (en) * | 1999-12-23 | 2003-10-29 | Fabrice Messin | Method for preparing a mixture and related apparatus, such as a concrete mixer |
| CN201913710U (en) * | 2010-12-13 | 2011-08-03 | 马鞍山市海天重工科技发展有限公司 | Dust cap of concrete mixer |
| CN207253283U (en) * | 2017-04-19 | 2018-04-20 | 赵白 | Automatic open close cover oil can |
| CN108285051A (en) * | 2018-03-28 | 2018-07-17 | 苏州钜昇机电设备工程有限公司 | A kind of tipping bucket cover-opening structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295971A (en) * | 2021-07-28 | 2021-08-24 | 广东电网有限责任公司湛江供电局 | Distribution lines state monitoring indicating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108908710B (en) | 2020-06-26 |
| CN111571808A (en) | 2020-08-25 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200519 Address after: No.22-23, Tonghu Road, Huxia Development Zone, tangkeng Town, Fengshun County, Meizhou City, Guangdong Province Applicant after: Guangdong Joint Venture Engineering General Contracting Co.,Ltd. Address before: 523000 Guangdong province Dongguan Songshan Lake high tech Industrial Development Zone Technology Park building 11, floor 2, 201D Applicant before: DONGGUAN SONGYAN ZHIDA INDUSTRIAL DESIGN Co.,Ltd. |
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Address after: 514000 No. 22-23, Tonghu Road, Huxia Development Zone, Tangkeng Town, Fengshun County, Meizhou City, Guangdong Province Patentee after: Guangdong Joint Construction Engineering General Contracting Co.,Ltd. Address before: No.22-23 Tonghu Road, Huxia Development Zone, tangkeng Town, Fengshun County, Meizhou City, Guangdong Province Patentee before: Guangdong Joint Venture Engineering General Contracting Co.,Ltd. |