A kind of rotational angle marking tools, dust suppression car for adapting to arbitrarily angled rotating shaft
Technical field
The application is related to field of mechanical technique, indicates more particularly to a kind of rotational angle for adapting to arbitrarily angled rotating shaft
Instrument.
In addition, the application further relates to sanitation equipment technical field, it has been specifically related to a kind of using above-mentioned adaptation random angle
The spray for dust suppression car or dust suppression car of the rotational angle marking tools of degree rotating shaft.
Background technology
In some plant equipment with rotating shaft, it is often necessary to know the rotational angle of its rotating shaft position in other words, but
It is that the rotational angle or IMAQ instrument of direct visual perception axle is directly taken pictures to axle, is inconvenient.Certainly, turn
Axle can be vertical direction, it is also possible to be horizontally oriented, and can also be the various angles between being in vertically and horizontally.
For example, Authorization Notice No. send for the wind for dedusting that the Chinese utility model patent of the U of CN 204619614 is provided
Formula spraying machine and its wind spraying aid type adapt to the rotational angle marking tools of arbitrarily angled rotating shaft, just have by counting scale in it and are close to
The composition such as switch, the counting device of rotational angle for recording rotating shaft.But be also under the conditions of many using electronic equipment
Insecure, such as the situation that failure is had under conditions of environment is extremely severe occurs.
Therefore it provides a kind of rotational angle marking tools for adapting to arbitrarily angled rotating shaft so as to which simple structure, instruction are accurate
Really, reliability height is the important technological problems that those skilled in that art are badly in need of solving at present.
The content of the invention
The purpose of the present invention includes providing a kind of rotational angle marking tools for adapting to arbitrarily angled rotating shaft, and the adaptation is any
The rotational angle marking tools simple structure of angle rotating shaft, indicate accurately, reliability it is high.A further object of the present invention is to provide
Using the spray for dust suppression car of the rotational angle marking tools of the arbitrarily angled rotating shaft of above-mentioned adaptation.
For this purpose, the present invention relates to a kind of rotational angle marking tools for adapting to arbitrarily angled rotating shaft, including:
Handwheel disk, its front is provided with a cylindrical cavity, the back side and is provided with the axis hole coaxial with the cylindrical cavity, and the oral area of the cylindrical cavity is provided with
Shoulder hole;
Main cylinder of the immovable fitting in the cylindrical cavity, is fixed a transparent window with circular cavity and using sleeve
Closed circular cavity is formed in the oral area of the circular cavity, the outer rim of the sleeve coordinates with the shoulder hole;The main cylinder
Bottom centre be provided with to oral area extend ladder mandrel;
Swinging block, main drive gear, the angle indicator being sequentially arranged on the ladder mandrel, the swinging block can be turned by bearing
The dynamic bottom located at the ladder mandrel, the main drive gear and the angle indicator are fixed removable located at the ladder
On mandrel, the angle indicator is installed on the outer ring of the cylindrical section of the ladder mandrel and is rotatably provided with turns pointer, should
The construction section of turns pointer closes on the main drive gear side and is provided with gear part;The swinging block is provided with rotatable transition
Gear, the transition gear is used to that the rotation speed change of the main drive gear to be passed to the gear teeth of the turns pointer, the pendulum
The dial being additionally provided with motion block between the pointer and the gear part of the turns pointer;
The gear shaft being rotatably located on the main cylinder, the gear shaft is located at one end of the circular cavity and is provided with and the pendulum
The little gear one, other end that the gear teeth arranged on motion block coordinate is stretched out the rear portion of the handwheel disk and is provided with little gear two;
External tooth wheel disc, relatively turnable to be defined on the handwheel disk and coaxial with the axis hole, the external tooth wheel disc is provided with
The external gear coordinated with the little gear two or internal gear;The handle for fixing its position is additionally provided with the external tooth wheel disc.
Preferably, the transition gear be two sections of gears, including with the main drive gear meshed gears section one and institute
State the gear segment two of the gear teeth meshing on turns pointer construction section.
Preferably, be provided with the axle sleeve of interference fit in the axis hole, axle sleeve be provided with the holding screw for tightening rotating shaft,
For limiting the snap ring of the external tooth wheel disc.
Preferably, the main cylinder is fastened using holding screw on the handwheel disk.
Preferably, the handle is bearing pin or screw rod.
Preferably, the bottom of the cylindrical cavity is provided with annulus stopper section.
Preferably, the outer rim of the handwheel disk is provided with the lines for being easy to grasp.
Preferably, the inboard that the ladder mandrel coordinates with the main drive gear adopts spline fitted.
In a kind of optimal technical scheme, a kind of rotational angle for adapting to arbitrarily angled rotating shaft according to the present invention indicates work
Tool, including:
Handwheel disk and the main cylinder in the positive cylindrical cavity of handwheel disk, the back side of the handwheel disk is provided with same with the cylindrical cavity
The axis hole of axle, the main nozzle portion is fastened with transparent window makes it be internally formed the circular cavity of sealing, the Zhu Tong bottom centre
It is provided with the ladder mandrel extended to oral area;
Swinging block, by bearing rotatably located at the bottom of the ladder mandrel, and the swinging block is away from the end of center of rotation
Portion extends forward and is provided with a dial;
Main drive gear, is removably defined in the middle part of the ladder mandrel,
Angle indicator, is removably defined in the top of the ladder mandrel, including installation set one and pointer one;
Turns pointer, including installation set two and pointer two, the installation set two is rotatably located in the installation set one, and the peace
Encapsulation two closes on the side of the main drive gear and is provided with gear part, and the gear part is located at the back side of the dial;
Transition gear, on the swinging block, for realizing the speed change between the main drive gear and the gear part;
Gear shaft, rotatably on the main cylinder, is provided with positioned at one end of the circular cavity and sets on the swinging block
The little gear one, other end that the gear teeth put coordinate is stretched out the rear portion of the handwheel disk and is provided with little gear two;
External tooth wheel disc, relatively turnable to be defined on the handwheel disk and coaxial with the axis hole, the external tooth wheel disc is provided with
The external gear coordinated with the little gear two or internal gear, are additionally provided with the handle for fixing its position on the external tooth wheel disc.
Preferably, at least partly spline fitted between the main drive gear and the ladder mandrel.
Preferably, in a ring, and with a U-shaped annular groove, the handwheel disk is relative with the external tooth wheel disc for the external tooth wheel disc
The little gear two of the gear shaft is moved in the U-shaped annular groove during rotation.
Preferably, coordinated using annular stopper between the lateral wall of the U-shaped annular groove of the external tooth wheel disc and the handwheel disk
Mode make between the external tooth wheel disc and the handwheel disk formed space constitute sealing cavity.
Preferably, it is provided with sealing ring between the gear shaft and the main cylinder.
Moreover, it relates to a kind of rotational angle marking tools of rotating shaft, is adapted to horizontally disposed or inclination angle
Rotating shaft of the degree less than 45 degree, including:
Handwheel disk, its front is provided with a cylindrical cavity, the back side and is provided with the axis hole coaxial with the cylindrical cavity, and the oral area of the cylindrical cavity is provided with
Shoulder hole;
Main cylinder of the immovable fitting in the cylindrical cavity, is fixed a transparent window with circular cavity and using sleeve
Closed circular cavity is formed in the oral area of the circular cavity, the outer rim of the sleeve coordinates with the shoulder hole;The main cylinder
Bottom centre be provided with to oral area extend ladder mandrel;
Swinging block, main drive gear, the angle indicator being sequentially arranged on the ladder mandrel, the swinging block can be turned by bearing
The dynamic bottom located at the ladder mandrel, the main drive gear and the angle indicator are fixed removable located at the ladder
On mandrel, the angle indicator is installed on the outer ring of the cylindrical section of the ladder mandrel and is rotatably provided with turns pointer, should
The construction section of turns pointer closes on the main drive gear side and is provided with gear part;The swinging block is provided with rotatable transition
Gear, the transition gear is used to that the rotation speed change of the main drive gear to be passed to the gear teeth of the turns pointer, the pendulum
The dial being additionally provided with motion block between the pointer and the gear part of the turns pointer.
Moreover, it relates to a kind of rotational angle marking tools of rotating shaft, is adapted to horizontally disposed or inclination angle
Rotating shaft of the degree less than 45 degree, including:
Handwheel disk and the main cylinder in the positive cylindrical cavity of handwheel disk, the back side of the handwheel disk is provided with same with the cylindrical cavity
The axis hole of axle, the main nozzle portion is fastened with transparent window makes it be internally formed the circular cavity of sealing, the Zhu Tong bottom centre
It is provided with the ladder mandrel extended to oral area;
Swinging block, by bearing rotatably located at the bottom of the ladder mandrel, and the swinging block is away from the end of center of rotation
Portion extends forward and is provided with a dial;
Main drive gear, is removably defined in the middle part of the ladder mandrel,
Angle indicator, is removably defined in the top of the ladder mandrel, including installation set one and pointer one;
Turns pointer, including installation set two and pointer two, the installation set two is rotatably located in the installation set one, and the peace
Encapsulation two closes on the side of the main drive gear and is provided with gear part, and the gear part is located at the back side of the dial;
Transition gear, on the swinging block, for realizing the speed change between the main drive gear and the gear part.
Preferably, the axle sleeve of interference fit is provided with the axis hole, axle sleeve is provided with the holding screw for tightening rotating shaft.
Preferably, the main cylinder is fastened using holding screw on the handwheel disk.
Preferably, the bottom of the cylindrical cavity is provided with annulus stopper section.
Preferably, the outer rim of the handwheel disk is provided with the lines for being easy to grasp.
Preferably, the inboard that the ladder mandrel coordinates with the main drive gear adopts spline fitted.
Preferably, at least partly spline fitted between the main drive gear and the ladder mandrel.
Moreover, it relates to a kind of spray for dust suppression car or dust suppression car, including vehicle frame and the spray on the vehicle frame
Mist device and the rotational angle marking tools for indicating the rotating shaft of the sprayer unit, the rotational angle of the rotating shaft is indicated
Instrument is the rotational angle marking tools or any of the above-described of the arbitrarily angled rotating shaft of adaptation described in any of the above-described technical scheme
The rotational angle marking tools of the rotating shaft described in technical scheme.
Relative to above-mentioned background technology, beneficial effects of the present invention approximately as.
1. a kind of rotational angle marking tools for adapting to arbitrarily angled rotating shaft according to the present invention, including handwheel disk, it is located at
Main cylinder, external tooth wheel disc in the cylindrical cavity of the handwheel disk, the back side of handwheel disk is provided with the axis hole coaxial with cylindrical cavity, and main cylinder has
The oral area that one transparent window is fixed on the circular cavity is simultaneously formed closed circular cavity, institute by circular cavity using sleeve
The bottom centre for stating main cylinder is provided with the ladder mandrel extended to oral area, and swinging block, main transmission tooth are sequentially provided with the ladder mandrel
Wheel, angle indicator, the swinging block by bearing rotatably located at the ladder mandrel bottom, the main drive gear and
The angle indicator fixes removable on the ladder mandrel, and the angle indicator is installed on the cylinder of the ladder mandrel
Turns pointer is rotatably provided with the outer ring of section, the construction section of the turns pointer closes on the main drive gear side and is provided with tooth
Wheel portion;The swinging block is provided with rotatable transition gear, and the transition gear is used to become the rotation of the main drive gear
Speed passes to the gear teeth of the turns pointer, and pointer and the gear positioned at the turns pointer are additionally provided with the swinging block
Dial between portion;The main cylinder is provided with rotatable gear shaft, and the gear shaft is located at one end of the circular cavity and sets
There is the little gear one, other end coordinated with the gear teeth arranged on the swinging block to stretch out the rear portion of the handwheel disk and be provided with little tooth
Wheel two;Relatively turnable being defined on the handwheel disk defines relatively turnable and coaxial with axis hole external tooth
Wheel disc, the external tooth wheel disc is provided with the external gear or internal gear coordinated with the little gear two;It is additionally provided with the external tooth wheel disc
For fixing the handle of its position.Handle is fixed in frame, rotating shaft to be measured is placed in axis hole and is driven handwheel disk to rotate i.e.
Rotational angle or the position of the rotating shaft can be in real time measured, viewing is also convenient for.
2. a kind of rotational angle marking tools for adapting to arbitrarily angled rotating shaft according to the present invention, including handwheel disk, it is located at
Main cylinder, swinging block, main drive gear, angle indicator, turns pointer, transition gear, tooth in the positive cylindrical cavity of handwheel disk
Wheel shaft and external tooth wheel disc, the back side of the handwheel disk is provided with the axis hole coaxial with the cylindrical cavity, and the main nozzle portion is fastened with
Transparent window makes it be internally formed the circular cavity of sealing, and the Zhu Tong bottom centre is provided with the ladder mandrel extended to oral area;Pendulum
Motion block is rotatably prolonged forward located at the bottom of the ladder mandrel, and the swinging block by bearing away from the end of center of rotation
Stretch and be provided with a dial;Main drive gear is removably defined in the middle part of the ladder mandrel, and angle indicator is dismountable
It is defined in the top of the ladder mandrel, including installation set one and pointer one;Turns pointer includes installation set two and pointer two, should
Installation set two is rotatably located in the installation set one, and the side that the installation set two closes on the main drive gear is provided with tooth
Wheel portion, the gear part is located at the back side of the dial;Transition gear is on the swinging block, for realizing the main transmission
Speed change between gear and the gear part;Gear shaft is rotatably located on the main cylinder, positioned at the one of the circular cavity
End is provided with the little gear one, other end coordinated with the gear teeth arranged on the swinging block and stretches out the rear portion of the handwheel disk and be provided with
Little gear two;External tooth wheel disc is relatively turnable be defined in it is on the handwheel disk and coaxial with the axis hole, on the external tooth wheel disc
The external gear or internal gear coordinated with the little gear two is provided with, the handle for fixing its position is additionally provided with the external tooth wheel disc
Hand.Handle is fixed in frame, rotating shaft to be measured is placed in axis hole and is driven handwheel disk to measure the rotating shaft in real time by rotating
Rotational angle or position, be also convenient for viewing.
3. a kind of rotational angle marking tools for adapting to arbitrarily angled rotating shaft according to the present invention, was provided with the axis hole
It is full of the axle sleeve of cooperation, axle sleeve is provided with the holding screw for tightening rotating shaft, the snap ring for limiting the external tooth wheel disc.This knot
Structure is easy to the instrument to adapt to a variety of rotating shafts, and convenience is greatly improved.
4. a kind of rotational angle marking tools of rotating shaft according to the present invention, is adapted to horizontally disposed or angle of inclination little
In 45 degree of rotating shaft, including handwheel disk, main cylinder, swinging block, main drive gear, angle indicator and turns pointer, the handwheel disk back side
The axis hole coaxial with cylindrical cavity is provided with, the oral area of the cylindrical cavity is provided with shoulder hole;Main cylinder immovable fitting is located at the handwheel disk front
Cylindrical cavity in, the oral area that one transparent window is fixed on the circular cavity is formed into close with circular cavity and using sleeve
The circular cavity for closing, the outer rim of the sleeve coordinates with the shoulder hole, and the bottom centre of the main cylinder is provided with to oral area and extends
Ladder mandrel;The swinging block by bearing rotatably located at the ladder mandrel bottom, the main drive gear and
The angle indicator fixes removable on the ladder mandrel, and the angle indicator is installed on the cylinder of the ladder mandrel
Turns pointer is rotatably provided with the outer ring of section, the construction section of the turns pointer closes on the main drive gear side and is provided with tooth
Wheel portion;The swinging block is provided with rotatable transition gear, and the transition gear is used to become the rotation of the main drive gear
Speed passes to the gear teeth of the turns pointer, and pointer and the gear positioned at the turns pointer are additionally provided with the swinging block
Dial between portion.The axis hole of the instrument is sheathed with rotating shaft to be measured and is fastened, due to the swinging block gravity in the instrument
Effect, when handwheel disk is rotated, the swinging block will not be with swing, so as to rotate turns pointer by gear transmission structure
Formed and indicated in real time.With simple structure, the advantage such as easy to operate.
5. a kind of rotational angle marking tools of rotating shaft according to the present invention, is adapted to horizontally disposed or angle of inclination little
In 45 degree of rotating shaft, including:Handwheel disk, the main cylinder in the positive cylindrical cavity of handwheel disk, swinging block, main drive gear,
Angle indicator, turns pointer, transition gear, the back side of handwheel disk is provided with the axis hole coaxial with the cylindrical cavity, the main nozzle
Portion is fastened with transparent window makes it be internally formed the circular cavity of sealing, and the Zhu Tong bottom centre is provided with the ladder extended to oral area
Mandrel;Swinging block is rotatably located at the bottom of the ladder mandrel by bearing, and the swinging block is away from the end of center of rotation
Portion extends forward and is provided with a dial;Main drive gear is removably defined in the middle part of the ladder mandrel;Angle indicator
Removably it is defined in the top of the ladder mandrel, including installation set one and pointer one;Turns pointer includes the He of installation set two
Pointer two, the installation set two is rotatably located in the installation set one, and the installation set two closes on the main drive gear
Side is provided with gear part, and the gear part is located at the back side of the dial;Transition gear is on the swinging block, for realizing
Speed change between the main drive gear and the gear part.The axis hole of the instrument is sheathed with rotating shaft to be measured and is fastened, by
The effect of the swinging block gravity in the instrument, when handwheel disk is rotated, the swinging block will not be with swing, so as to pass through gear
Drive mechanism makes turns pointer rotate to form instruction in real time.With simple structure, the advantage such as easy to operate.
6. a kind of rotational angle marking tools of rotating shaft according to the present invention, is provided with the axle of interference fit in the axis hole
Set, axle sleeve is provided with the holding screw for tightening rotating shaft, the snap ring for limiting the external tooth wheel disc.This structure is easy to the work
Tool adapts to a variety of rotating shafts, and convenience is greatly improved.
The purpose of the present invention, characteristic and technical scheme can be common in any combination or be independently applied.At each
It is not necessarily required to combine all purposes or characteristic in technical scheme.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of alternative embodiment of the rotational angle marking tools for adapting to arbitrarily angled rotating shaft provided by the present invention
Schematic elevation view.
Fig. 2 is that the schematic perspective view after half is cutd open along A-A hatchings in Fig. 1.
A-A cross-sectional schematics in Fig. 3 Fig. 1.
Fig. 4 is the schematic perspective view of the swinging block in Fig. 1 to Fig. 3.
Fig. 5 is that a kind of alternative embodiment of the rotational angle marking tools of rotating shaft provided by the present invention faces signal
Figure.
Fig. 6 is the volume rendering schematic diagram for cuing open a certain angle after half in Fig. 5 along A-A hatchings.
Fig. 7 is the schematic perspective view for cuing open a certain angle after half in Fig. 5 along A-A hatchings.
Fig. 8 is the A-A cross-sectional schematics in Fig. 5.
Fig. 9 is the schematic perspective view of the swinging block in Fig. 5 to Fig. 8.
Specific embodiment
In order that those skilled in the art more fully understand each technical scheme involved in the present invention, below in conjunction with the accompanying drawings
The present invention is described in further detail with specific embodiment.It should be noted that in the case where not conflicting, in the application
Embodiment and embodiment described in each particular technique feature can be combined by any suitable means;In order to
Unnecessary repetition, the present invention is avoided no longer separately to illustrate various possible combinations, as long as it is without prejudice to the present invention's
Thought, it should equally be considered as content disclosed in this invention.
As shown in Figures 1 to 4, Fig. 1 is the rotational angle marking tools for adapting to arbitrarily angled rotating shaft provided by the present invention
A kind of alternative embodiment schematic elevation view;Fig. 2 is that the schematic perspective view after half is cutd open along A-A hatchings in Fig. 1;Fig. 3
A-A cross-sectional schematics in Fig. 1;Fig. 4 is the schematic perspective view of the swinging block in Fig. 1 to Fig. 3.
In a kind of specific embodiment, the arbitrarily angled rotating shaft of a kind of adaptation provided referring to figs. 1 to Fig. 4, the present invention
Rotational angle marking tools, including the main cylinder 20 of handwheel disk 10 and immovable fitting in cylindrical cavity 11, the front of handwheel disk 10
It is provided with a cylindrical cavity 11, back side and is provided with the axis hole 12 coaxial with the cylindrical cavity 11, the oral area of the cylindrical cavity 11 is provided with shoulder hole 13;
Main cylinder 20 has circular cavity 21 and a transparent window 23 is fixed on the oral area 211 of the circular cavity 21 using sleeve 22
Closed circular cavity 21 is formed, outer rim and the shoulder hole 13 of the sleeve 22 coordinate;The bottom centre of main cylinder 20 is provided with to mouth
The ladder mandrel 24 that portion 211 extends;Swinging block 30, main drive gear 40 and angle indicator 50 successively on ladder mandrel 24, swing
Block 30 rotatably fixes removable setting by bearing located at the bottom of ladder mandrel 24, main drive gear 40 and angle indicator 50
On ladder mandrel 24, angle indicator 50 is installed on the outer ring of the cylindrical section of ladder mandrel 24 and is rotatably provided with turns pointer
60, the construction section of the turns pointer 60 closes on the side of main drive gear 40 and is provided with gear part 63;Swinging block 30 is provided with rotatably
Transition gear 70, the transition gear 70 is used to that the rotation speed change of main drive gear 40 to be passed to the gear teeth of turns pointer 60,
The dial 32 being additionally provided with swinging block 30 between the pointer and gear part 63 of turns pointer 60;It is rotatable on main cylinder 20
Gear shaft 80 is provided with, the gear shaft 80 is located at one end of circular cavity 21 and is provided with little with what the gear teeth arranged on swinging block 30 coordinated
The gear one 81, other end reach wheel disc 10 rear portion and be provided with little gear 2 82;Defining on handwheel disk 10 to relatively rotate
The external tooth wheel disc 90 coaxial with axis hole 12, the external tooth wheel disc 90 be provided with little gear 2 82 coordinate external gear 91 or
Internal gear;The handle 92 for fixing the position of external tooth wheel disc 90 is additionally provided with the external tooth wheel disc 90.
Its work and using process approximately as:Handle 92 is fixed in frame, rotating shaft to be measured is placed in axis hole 12,
Rotating shaft drives handwheel disk 10 to rotate, and the planetary motion immediately of gear shaft 80, swinging block 30 is engaged with the little gear 1 of gear shaft 80
So that dial 32 keeps not turning, and angle indicator 50 is consistent with the rotation of handwheel disk 10, so as to show rotational angle,
Main drive gear 40 is also consistent with angle indicator 50, and main drive gear drives transition gear 70 to rotate, so as to turns pointer
60 are driven.That is, rotational angle or the position of the rotating shaft can be in real time measured, viewing is also convenient for.
In an advantageous embodiment, as shown in Figures 1 to 4, the arbitrarily angled rotating shaft of a kind of adaptation that the present invention is provided
Rotational angle marking tools, including:
Handwheel disk 10 and the main cylinder 20 in the positive cylindrical cavity 11 of the handwheel disk 10, the back side of the handwheel disk 10 is provided with and circle
The coaxial axis hole 12 in post chamber 11, the oral area of main cylinder 20 is fastened with transparent window 23 makes it be internally formed the circular cavity of sealing 21, should
The bottom centre of Zhu Tong 20 is provided with the ladder mandrel 24 extended to oral area 211;
Swinging block 30, by bearing rotatably located at the bottom of ladder mandrel 24, and the swinging block 30 is away from center of rotation
End 31 extends forward and is provided with a dial 32;
Main drive gear 40, is removably defined in the middle part of ladder mandrel 24,
Angle indicator 50, is removably defined in the top of ladder mandrel 24, including installation set 1 and pointer 1;
Turns pointer 60, including installation set 2 61 and pointer 2 62, the installation set 2 61 is rotatably located in installation set 1,
And the side that the installation set 2 61 closes on main drive gear 40 is provided with gear part 63, the gear part 63 is located at the back of the body of dial 32
Face;
Transition gear 70, on swinging block 30, for realizing the speed change between main drive gear 40 and gear part 63;
Gear shaft 80, rotatably on main cylinder 20, is provided with and setting on swinging block 30 positioned at one end of circular cavity 21
The gear teeth 33 coordinate the little gear one 81, other end reach wheel disc 10 rear portion and be provided with little gear 2 82;
External tooth wheel disc 90, relatively turnable to be defined on handwheel disk 10 and coaxial with axis hole 12, the external tooth wheel disc 90 is provided with
The external gear 91 coordinated with little gear 2 82 or internal gear, are additionally provided with the handle for fixing its position on the external tooth wheel disc 90
92。
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figures 2 and 3, transition gear
70 be two sections of gears, including with the meshed gears section 1 of main drive gear 40 and the meshed gears section 2 72 of gear part 63.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figures 2 and 3, in axis hole 12
It is provided with the axle sleeve 01 of interference fit, axle sleeve 01 is provided with the holding screw 02 for tightening rotating shaft, for limiting external tooth wheel disc 90
Snap ring 03.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figures 2 and 3, handwheel disk 10
Upper employing holding screw 04 fastens main cylinder 20.
On the basis of any of the above-described embodiment, can also further be improved.Referring to figs. 2 and 3 handle 92 is adopted
Pin shaft structure, it is of course also possible to use screw rod.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figures 2 and 3, cylindrical cavity 11
Bottom be provided with annulus stopper section 111.
In a unshowned embodiment, the outer rim of handwheel disk 10 is provided with the lines for being easy to grasp.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figures 2 and 3, ladder mandrel
24 inboards coordinated with main drive gear 40 adopt spline fitted.Preferably, between main drive gear 40 and ladder mandrel 24 extremely
It is partially spline fitted.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figures 2 and 3, external tooth wheel disc
90 in a ring, and with a U-shaped annular groove 93, the little gear two of gear shaft 80 when handwheel disk 10 is relatively rotated with the external tooth wheel disc 90
82 move in the U-shaped annular groove 93.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figures 2 and 3, external tooth wheel disc
The external tooth wheel disc 90 and handwheel are made between the lateral wall and handwheel disk 10 of 90 U-shaped annular groove 93 by the way of annular stopper cooperation
The space formed between disk 10 constitutes sealing cavity.
In a unshowned embodiment, between gear shaft 80 and main cylinder 20 sealing ring is provided with.
In addition, in some conventional plant equipment, the rotating shaft of measurement required for it is the level of state or with certain
Angle of inclination.Therefore, present invention also offers a kind of be adapted to horizontally disposed or angle of inclination less than 45 degree of rotating shaft
Rotational angle marking tools.Refer to shown in Fig. 5 to Fig. 9, Fig. 5 is the rotational angle marking tools of rotating shaft provided by the present invention
A kind of alternative embodiment schematic elevation view;Fig. 6 be the solid for cuing open a certain angle after half along A-A hatchings in Fig. 5 thoroughly
Depending on schematic diagram;Fig. 7 is the schematic perspective view for cuing open a certain angle after half in Fig. 5 along A-A hatchings;Fig. 8 is the A-A in Fig. 5
Cross-sectional schematic;Fig. 9 is the schematic perspective view of the swinging block in Fig. 5 to Fig. 8.
Specifically, with reference to shown in Fig. 5 to Fig. 9, a kind of rotational angle marking tools of rotating shaft that the present invention is provided is adapted to
The rotational angle marking tools of rotating shaft of the horizontally disposed or angle of inclination less than 45 degree, including:
Handwheel disk 10, its front is provided with a cylindrical cavity 11, back side and is provided with the axis hole 12 coaxial with the cylindrical cavity 11, the cylindrical cavity 11
Oral area be provided with shoulder hole 13;
Main cylinder 20 of the immovable fitting in the cylindrical cavity 11, with circular cavity 21 and using sleeve 22 by a transparent window
23 oral areas 211 for being fixed on the circular cavity 21 form closed circular cavity 21, outer rim and the shoulder hole 13 of the sleeve 22
Coordinate;The bottom centre of main cylinder 20 is provided with the ladder mandrel 24 extended to oral area 211;
Swinging block 30, main drive gear 40, the angle indicator 50 being sequentially arranged on ladder mandrel 24, swinging block 30 can by bearing
The bottom located at ladder mandrel 24 for rotating, main drive gear 40 and angle indicator 50 are fixed removable located at ladder mandrel 24
On, angle indicator 50 is installed on the outer ring of the cylindrical section of ladder mandrel 24 and is rotatably provided with turns pointer 60, and the number of turns refers to
The construction section of pin 60 closes on the side of main drive gear 40 and is provided with gear part 63;Swinging block 30 is provided with rotatable transition gear
70, the transition gear 70 is used to that the rotation speed change of main drive gear 40 to be passed to the gear part 63 of turns pointer 60, swinging block
The dial 32 being additionally provided with 30 between the pointer and gear part 63 of turns pointer 60.
In a kind of preferred embodiment, as shown in Figures 5 to 9, a kind of rotational angle of rotating shaft that the present invention is provided refers to
Show instrument, be adapted to rotating shaft of the horizontally disposed or angle of inclination less than 45 degree, including:
Handwheel disk 10 and the main cylinder 20 in the positive cylindrical cavity 11 of the handwheel disk 10, the back side of the handwheel disk 10 is provided with and circle
The coaxial axis hole 12 in post chamber 11, the oral area 211 of main cylinder 20 is fastened with transparent window 23 makes it be internally formed the circular cavity of sealing
21, the bottom centre of Zhu Tong 20 is provided with the ladder mandrel 24 extended to oral area 211;
Swinging block 30, by bearing rotatably located at the bottom of ladder mandrel 24, and the swinging block 30 is away from center of rotation
End 31 extends forward and is provided with a dial 32;
Main drive gear 40, is removably defined in the middle part of ladder mandrel 24,
Angle indicator 50, is removably defined in the top of ladder mandrel 24, including installation set 1 and pointer 1;
Turns pointer 60, including installation set 2 61 and pointer 2 62, the installation set 2 61 is rotatably located in installation set 1,
And the side that the installation set 2 61 closes on main drive gear 40 is provided with gear part 63, the gear part 63 is located at the back of the body of dial 32
Face;
Transition gear 70, on swinging block 30, for realizing the speed change between main drive gear 40 and gear part 63.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figure 6 to 8, in axis hole 12
The axle sleeve 01 of interference fit is provided with, axle sleeve 01 is provided with the holding screw 02 for tightening rotating shaft.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figure 6 to 8, handwheel disk 10
Upper employing holding screw 04 fastens main cylinder 20.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figure 6 to 8, cylindrical cavity 11
Bottom be provided with annulus stopper section 111.
In a kind of unshowned embodiment, the outer rim of handwheel disk 10 is provided with the lines for being easy to grasp.
On the basis of any of the above-described embodiment, can also further be improved.As shown in Figure 6 to 8, ladder mandrel
24 inboards coordinated with main drive gear 40 adopt spline fitted.Preferably, between main drive gear 40 and ladder mandrel 24 extremely
It is partially spline fitted.
Additionally, a kind of spray for dust suppression car for also providing of the present invention or dust suppression car, including vehicle frame and on the vehicle frame
Sprayer unit and the rotational angle marking tools for indicating the rotating shaft of the sprayer unit, the rotational angle of the rotating shaft refers to
Show rotational angle marking tools or any of the above-described reality that instrument is the arbitrarily angled rotating shaft of adaptation described in any of the above-described embodiment
Apply the rotational angle marking tools of the rotating shaft described in example.Specific embodiment refer to the above, and can be with reference to related existing skill
Art is repeated no more with obtaining the specific embodiment of the spray for dust suppression car or dust suppression car in the application.
It should be noted that, although above-mentioned instrument can be used in spray for dust suppression car or dust suppression car, for example, for publication No.
It is for the air-assisted sprayer for dust removal with silencing means of the Chinese invention patent application announcement of the A of CN 102357438, publication No.
The street lamp rod-type water smoke that the control PM2.5 air qualities of the Chinese invention patent application announcement of the A of CN 102614728 are exceeded drops
Dirt device, publication No. are exceeded for the control PM2.5 air qualities that the Chinese invention patent application of the A of CN 102641636 is announced
The control interior PM2.5 that high building water mist dust fall device, publication No. are announced for the Chinese invention patent application of the A of CN 102705935
The exceeded suspension type water mist dust fall heat sink of air quality, publication No. are the Chinese invention patent application of the A of CN 102688642
The control exceeded hand propelled water mist dust fall heat sink of interior PM2.5 air qualities, the publication No. of announcement is CN 102600688
The exceeded water mist dust fall device of control air quality that the Chinese invention patent application of A is announced(It is actually the water smoke of tower-type
Device for reducing dust)And the tower-type Environmental-protecting dust-removing that Authorization Notice No. is announced for the Chinese utility model patent of the U of CN 202199461
Air-assisted sprayer etc.;In practice, information can directly be gathered using camera and be conducted to computer, people can see in real time
The picture of the instrument, is easy to improve reliability.But the instrument can be also used in other various plant equipment, such as engineering machine
In the various plant equipment such as tool, mining machinery, lathe, petrochemical industry, agricultural, environmental protection machinery, disintegrating apparatus, above-mentioned spray for dust suppression car
Or citing is only only belonged in dust suppression car, it is not construed as improper restriction.
The description of above-mentioned related function or the effect to the present invention, refers to that it has the function or effect, and it has
May also have other functions or effect, therefore, it is not construed as carrying out it improper restriction of function or effect.
The rotational angle marking tools or the angle of rotation of rotating shaft of the arbitrarily angled rotating shaft of adaptation provided to invention above
The rotational angle marking tools of degree marking tools, the rotational angle marking tools comprising the arbitrarily angled rotating shaft of the adaptation or rotating shaft
Spray for dust suppression car or dust suppression car etc. be described in detail.Principle and reality of the specific case used herein to the present invention
The mode of applying is set forth, and the explanation of above example is only intended to help and understands the method for the present invention and its core concept.Should
When pointing out, although the better model to performing the present invention has carried out detailed description, without departing from the principle of the invention
On the premise of, those skilled in the art can learn that many for implementing the present invention within the scope of the appended claims is replaced
Change design and embodiment.