CN206036171U - Cam gear components , sliding block gear subassembly and drive mechanism who constitutes thereof - Google Patents
Cam gear components , sliding block gear subassembly and drive mechanism who constitutes thereof Download PDFInfo
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- CN206036171U CN206036171U CN201621026527.2U CN201621026527U CN206036171U CN 206036171 U CN206036171 U CN 206036171U CN 201621026527 U CN201621026527 U CN 201621026527U CN 206036171 U CN206036171 U CN 206036171U
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- cam
- gear
- slide block
- locating surface
- rack unit
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Abstract
The utility model discloses a cam gear components, sliding block gear subassembly and drive mechanism who constitutes thereof, cam gear components includes: cam and first gear, the base diameter of cam with first gear teeth root diameter equals, the cam with first gear is coaxial to be set up, the outer fringe of cam with a closed curve is constituteed in the projection of first gear teeth root circle on its axis direction, just the outer fringe of cam with first gear teeth root circle is in closed curve's junction smooth transition. The drive mechanism visible by above technical scheme, that this application embodiment provides when cam gear components rotates, can drive the second gear through the cam drive slider and slide, and perhaps through the 2nd gear revolve of first gear drive, the rotation through cam gear components promptly realizes slip and the rotation in turn of second gear.
Description
Technical field
This utility model is related to technical field of mechanical transmission, more particularly to a kind of cam and rack unit, slide block gear train
The drive mechanism of part and its composition.
Background technology
Railway is the large artery trunks of transportation, and the development to national economy is played a very important role.Developing High-speed and
Heavy haul transport is to improve the basic strategy countermeasure of China Railway ability, can effectively alleviate the contradiction of railway transporting amount and capacity,
With significant economic results in society.
But the raising with train speed and the increase of axle weight, the interaction aggravation between vehicle and track, to train
Operation safety requirements also more and more higher, therefore, be badly in need of improving the safeguard level of train operating safety.Run in rolling stock
In, the monitoring of wheel rail force has very important significance to ensureing train traffic safety.Wherein, wheel rail force includes vertical wheel rail force
With horizontal wheel rail force, vertical wheel rail force refer to due to train is conducted oneself with dignity and the factor such as track irregularity caused by, wheel is parallel
The power on rail is applied in the symmetrical direction of principal axis of rail profile；Lateral wheel force is referred to due between wheel tread and rail surface
Wheel caused by the factors such as creep, friction or wheel rim and the contact of rail head side is being made perpendicular to rail profile axis of symmetry
Use the power on rail.Derailment coefficients can be calculated by the ratio of lateral wheel force and vertical wheel rail force, accordingly, it is capable to no standard
True demarcates to wheel rail force, will be directly connected to the test result of wheel rail force, and further affect train derailment coefficients, wheel
The result of calculation of the safety indexes such as weight off-load rate, finally affects the judgement evaluation to train operational safety.
Traditional wheel rail force is demarcated calibration facility transport generally by vehicles such as automobiles to tested point, then by work
Make personnel to assemble calibration facility at the scene, and personnel are needed in the pressurization and stress-relief process for repeating to demarcating frame
Carry out lift to help, in case shift, complex operation, and there is potential safety hazard.In addition, in the Railway Environments such as tunnel, bridge, by
It is impassable in automobile, cause must be by a dead lift calibration facility and traditional wheel rail force caliberating device parts it is many, weight
Greatly, difficulty of construction and workload be increased.
Therefore, it is a kind of urgently to occur with the railway lateral wheel force caliberating device of autonomous to tested point position.But
It is that, during this utility model is realized, inventor has found problems with：To realize railway lateral wheel force caliberating device
Autonomous, need by rail arrange driving wheel realize, but, on rail arrange driving wheel can cause rail and
There is active force between driving wheel, and then affect the stated accuracy of railway lateral wheel force.
Utility model content
The driver of a kind of cam and rack unit, slide block gear assembly and its composition is provided in this utility model embodiment
Structure, to solve technical problem present in prior art.
In a first aspect, this utility model embodiment provides a kind of cam and rack unit, railway lateral wheel force is applied to
Caliberating device, the cam and rack unit include：Cam and first gear, the base circle diameter (BCD) of the cam and the first gear
Root diameter it is equal, the cam and the coaxial setting of the first gear, the outer rim of the cam and the first gear
Root circle projection in the axial direction thereof constitute a closed curve, and the outer rim of the cam and the first gear
Root circle is seamlessly transitted in the junction of the closed curve.
Preferably, locating surface is additionally provided with the curved surface of the cam, and the locating surface is on the cam curved surface
Plane.
Preferably, the locating surface includes the first locating surface and the second locating surface, and the axis of the cam and rack unit exists
The axis of symmetry for being projected as first locating surface on first locating surface, the quantity of second locating surface is two, two
Relatively described first locating surface of individual second locating surface is symmetrical arranged.
Preferably, the distance between the central point of first locating surface and axis of the cam are S1, described second
The distance between the central point of locating surface and axis of the cam are S2, wherein, 2mm ＜ S1-S2 ＜ 3mm.
Second aspect, this utility model embodiment provide a kind of slide block gear assembly, are applied to railway lateral wheel force
Caliberating device, the slide block gear assembly include：Slide block and second gear, the second gear are rotated with the slide block and are connected,
And the rotating shaft of the second gear is vertical with the plane that the slide block is located.
Preferably, the reference circle of the second gear is tangent with the side of the slide block.
The third aspect, this utility model embodiment provide a kind of drive mechanism, are applied to the demarcation of railway lateral wheel force
Device, the drive mechanism include the cam and rack unit described in above-mentioned first aspect and the slide block tooth described in above-mentioned second aspect
Wheel assembly；Wherein, the cam is matched with the slide block, and the first gear is matched with the second gear, when described
When cam and rack unit is rotated, slide block translation described in the actuated by cams；Or, the first gear drives the second gear
Rotate.
The drive mechanism provided from above technical scheme, this utility model embodiment, when cam and rack unit is rotated
When, second gear can be driven to slide by actuated by cams slide block, or drive second gear to rotate by first gear, that is, be led to
The rotation for crossing cam and rack unit realizes that second gear is alternately slided and rotated.The drive mechanism is applied to into railway horizontal
In the drive wheel assemblies of wheel rail force caliberating device, when the demarcation of railway lateral wheel force is carried out, cam and rack unit can be passed through,
Control driving wheel departs from rail, it is ensured that the stated accuracy of railway lateral wheel force.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, for ordinary skill people
For member, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
A kind of structural representation of cam and rack unit that Fig. 1 is provided for this utility model embodiment；
A kind of axis projection schematic diagram of cam and rack unit that Fig. 2 is provided for this utility model embodiment；
A kind of structural representation of slide block gear assembly that Fig. 3 is provided for this utility model embodiment；
A kind of axis projection schematic diagram of slide block gear assembly that Fig. 4 is provided for this utility model embodiment；
A kind of stereochemical structure of railway lateral wheel force caliberating device that Fig. 5 is provided for this utility model embodiment is illustrated
Figure；
A kind of polycrystalline substance of railway lateral wheel force caliberating device that Fig. 6 is provided for this utility model embodiment is illustrated
Figure；
Partial enlarged drawing in Fig. 5 that Fig. 7 is provided for this utility model embodiment at dotted line；
A kind of partial structural diagram of drive wheel assemblies that Fig. 8 is provided for this utility model embodiment；
The partial structural diagram of another kind of drive wheel assemblies that Fig. 9 is provided for this utility model embodiment；
A kind of cam and rack unit that Figure 10 is provided for this utility model embodiment projection in arrow A directions along Fig. 2 is shown
It is intended to；
The partial structural diagram of another kind of drive wheel assemblies that Figure 11 is provided for this utility model embodiment；
A kind of walking states local of railway lateral wheel force caliberating device that Figure 12 A are provided for this utility model embodiment
Schematic diagram；
A kind of railway lateral wheel force caliberating device that Figure 12 B are provided for this utility model embodiment hold out against state local
Schematic diagram；
A kind of demarcation state local of railway lateral wheel force caliberating device that Figure 12 C are provided for this utility model embodiment
Schematic diagram；
The axis projection schematic diagram of another kind of slide block gear assembly that Figure 13 is provided for this utility model embodiment；
Symbol in figure is expressed as：1- demarcates frame body, and 2- hydraulic pumps, 201- pump bodies, 202- are raise the head on top, 3- connecting rods, 4-
Block, 5- drive wheel assemblies, 501- motors, 502- cam and rack units, 5021- cams, 5022- first gears, 5023-
The basic circle of cam, the first locating surfaces of 5024-, the second locating surfaces of 5025-, 503- slide block gear assemblies, 5031- slide blocks, 5032-
Two gears, the reference circle of 5033- second gears, 504- chutes, 505- back-moving springs, 506-L shape support arms, 5061- first support arms,
5062- second support arms, 507- driving wheels, 5071- lubrication grooves, 5072- foreign steamers, 508- taper keys, 6- laser range finders, 7- marks
Chi, 8- level gauges, 9- power supplys, 10- rail, 1001- rail heads, the 1002- webs of the rail, the 1003- flanges of rail, X- left and right directions, Y- front and back
To.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in this utility model, below in conjunction with this reality
With the accompanying drawing in new embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that
Described embodiment is only a part of embodiment of this utility model, rather than the embodiment of whole.Based on this utility model
In embodiment, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art
Example, should all belong to the scope of this utility model protection.
A kind of structural representation of cam and rack unit that Fig. 1 is provided for this utility model embodiment.As shown in figure 1, this
The cam and rack unit 502 that utility model embodiment is provided includes cam 5021 and first gear 5022,5021 He of the cam
5022 coaxial setting of the first gear.
A kind of axis projection schematic diagram of cam and rack unit that Fig. 2 is provided for this utility model embodiment.Such as Fig. 2 institutes
Show, the diameter of the basic circle 5023 of the cam 5021 is equal with the root diameter of the first gear 5022, the cam
The projection in the axial direction thereof of the root circle of 5021 outer rim and the first gear 5022 constitutes a closed curve, and institute
The root circle of the outer rim and the first gear 5022 of stating cam 5021 is seamlessly transitted in the junction of the closed curve.Also
To say, this utility model embodiment provide cam and rack unit 502, with from the point of view of the projection of its axial direction (such as Fig. 2
It is shown), cam 5021 and first gear 5022 constitute one 360 ° of rotor, wherein, cam 5021 and first gear 5022
180 ° are accounted for respectively.
A kind of structural representation of slide block gear assembly that Fig. 3 is provided for this utility model embodiment.As shown in figure 3, institute
Stating slide block gear assembly 503 includes slide block 5031 and second gear 5032,5031 turns of the second gear 5032 and the slide block
Dynamic connection, and the rotating shaft of the second gear 5032 is vertical with the plane that the slide block 5031 is located.In addition, the second gear
5032 for the ease of engaging with first gear 5022, the side phase of the reference circle of the second gear 5032 and the slide block 5031
Cut, as shown in Figure 4.Wherein, the reference circle of the second gear 5032 side tangent with the slide block 5031 for it is described
First gear 5022 is engaged.
On the basis of above-described embodiment, this utility model embodiment additionally provides a kind of drive mechanism, the driver
Structure includes the slide block gear assembly 503 shown in cam and rack unit 502 and Fig. 3 shown in Fig. 1, for the ease of the technology of this area
Personnel more fully understand the technical program, right below in conjunction with application of the drive mechanism in railway lateral wheel force caliberating device
Its principle is described in detail.
Rail 10 involved by this utility model embodiment is made up of rail head 1001, the web of the rail 1002 and the flange of rail 1003
I-shaped rail 10, herein abbreviation rail 10 succinct in order to describe.
Railway lateral wheel force caliberating device (hereinafter referred to as caliberating device) application involved by this utility model embodiment
In the track being made up of two parallel rail 10, the rail 10 for demarcating 1 both sides of frame body being referred to herein should be understood
For constituting two parallel rail 10 of track.
Accompanying drawing involved by this utility model embodiment is succinct for labelling, and identical functional unit adopts like number
It is marked.
A kind of stereochemical structure of railway lateral wheel force caliberating device that Fig. 5 is provided for this utility model embodiment is illustrated
Figure, a kind of polycrystalline substance schematic diagram of railway lateral wheel force caliberating device that Fig. 6 is provided for this utility model embodiment.As schemed
5 and with reference to shown in Fig. 6, the caliberating device that this utility model embodiment is provided includes demarcating frame body 1, for convenience of description in mark
Determine on frame body 1, to be marked with orthogonal fore-and-aft direction Y and left and right directions X, the demarcation frame body 1 is along the right and left
To the housing that X extends, other functional parts of the caliberating device are arranged at demarcating on frame body 1, make the caliberating device
Corresponding function is realized, the fore-and-aft direction Y is the direction of travel of the caliberating device.
X is provided with a hydraulic pump 2 in left-right direction for the inside for demarcating frame body 1, and the hydraulic pump 2 includes pump body 201
202 are raise the head with top, the two ends of the hydraulic pump 2 are respectively fixedly connected with a connecting rod 3, and the other end of the connecting rod 3 stretches out the mark
Determine frame body 1, connect a block 4, the connecting rod 3 is slidably connected with the demarcation frame body 1.The opening shape of the block 4
Match with rail head 1001, the axis of the connecting rod 3 and the hydraulic pump 2 is positioned at the same parallel with the left and right directions X
On straight line.In addition, when the block 4 is supported on rail head 1001, there is 2- between the boss and the web of the rail 1002 of 4 bottom of block
The gap of 3mm, is fitted with the opening inner side face and 1001 medial surface of rail head that guarantee block 4.
In actual use, the caliberating device is arranged between two rail 10 of track, and described demarcation fills
The left and right directions X for putting is mutually perpendicular to the bearing of trend of rail 10.Then when hydraulic pump 2 pressurizes, hydraulic pump 2 extends, and then band
The connecting rod 3 at 2 two ends of hydrodynamic press pump promotes block 4 towards away from the direction movement for demarcating frame body 1 so that demarcate 1 both sides of frame body
Block 4 support the rail head 1001 of both sides respectively；When 2 release of hydraulic pump, hydraulic pump 2 shrinks, and then drives 2 liang of hydraulic pump
The connecting rod 3 at end pulls block 4 to depart from the rail head 1001 of both sides.
When the block 4 for demarcating 1 both sides of frame body supports the rail head 1001 of both sides respectively, in order to detect the shape of rail 10
Change state, is additionally provided with laser range finder 6 on frame body 1 is demarcated.Dotted line in Fig. 5 that Fig. 7 is provided for this utility model embodiment
The partial enlarged drawing at place, as shown in fig. 7, being provided with laser range finder 6 in the end for demarcating frame body 1, laser range finder 6 is configured
Launch for X in left-right direction, i.e., when caliberating device works, laser range finder 6 is towards the direction transmitting extended perpendicular to rail 10
Laser beam.As when lateral wheel force demarcation is carried out, the contact position of block 4 and rail 10 is impetus, i.e. rail 10
The central point of raw deformation, therefore, in a kind of preferred embodiment of this utility model, the every one end for demarcating frame body 1 arranges two
Laser range finder 6, and often two laser range finders, the 6 relative block 4 of one end is symmetrical arranged.Wherein, per one end laser range finder 6
Range measurement take the range finding average of all laser range finders in every one end 6, demarcate frame body 1 in this utility model embodiment
Two laser range finders 6 are set per one end, that is, take the range measurement of the range finding average as the end of two laser range finders 6.When
So, those skilled in the art can also arrange the Laser Measuring of other quantity in the every one end for demarcating frame body 1 according to the actual requirements
Distance meter 6, such as 4,6 or 8 etc., on the premise of conceiving without departing from the present utility model, which should be at practical
Within new protection domain.
In order to reach preferably test effect, the centrage of connecting rod 3 should just to tested point, but in practical work process
In, the centrage of connecting rod 3 is difficult observation, and the centrage and tested point for causing connecting rod 3 is difficult to align.In this utility model embodiment
In, the upper surface for demarcating frame body 1 is respectively arranged at two ends with a scale 7, center scale and the connecting rod 3 of the scale 7
Centrage is oppositely arranged.It is to determine due to the position relationship between the centrage of scale 7 and connecting rod 3, therefore by scale 7 is
The position of center line of connecting rod 3 is can determine that, realization is accurately positioned to tested point.
The caliberating device that this utility model embodiment is provided needs to realize two major functions that one is to demarcation frame body
The rail 10 of 1 both sides applies cross force and then realizes that lateral wheel force is demarcated；Its two for drive caliberating device on rail 10 from
Main walking.Wherein, apply cross force to the rail 10 for demarcating 1 both sides of frame body to realize by hydraulic pump 2, but in order to true
The accuracy that lateral wheel force is demarcated is protected, when hydraulic pump 2 applies cross force, is demarcated and can not be received between frame body 1 and rail 10
Other parts are disturbed, that is to say, that when hydraulic pump 2 applies cross force, drive the part of caliberating device walking necessary and rail
10 depart from.In order to realize the purpose, both sides of the caliberating device that this utility model embodiment is provided in the end for demarcating frame body 1
Drive wheel assemblies 5 are respectively set, i.e., drive wheel assemblies 5, the drive wheel group is respectively set in four edges for demarcating frame body 1
Part 5 includes cam and rack unit 502, slide block gear assembly 503, L-shaped support arm 506 and the driving wheel 507 for cooperating, in order to just
The concrete structure of each part and operation principle are more fully understood in those skilled in the art, is shown below in conjunction with the local of each part
Intention is described in detail.
A kind of structural representation of drive wheel assemblies that Fig. 8 is provided for this utility model embodiment, Fig. 9 is this utility model
The structural representation of another kind of drive wheel assemblies that embodiment is provided, such as Fig. 8 are simultaneously combined shown in Fig. 9, this utility model embodiment
The drive wheel assemblies 5 of offer include motor 501, and the motor 501 is fixedly installed on demarcation frame body 1, and institute
The output shaft for stating motor 501 is parallel with the fore-and-aft direction Y.The output shaft of the motor 501 is provided with a cam
Gear assembly 502, the cam and rack unit 502 include cam 5021 and first gear 5022, the cam 5021 and described
5022 coaxial setting of first gear.
A kind of cam and rack unit that Figure 10 is provided for this utility model embodiment projection in arrow A directions along Fig. 2 is shown
It is intended to, as shown in Figure 10, cam 5021 and first gear 5022 are crisscross arranged in the axial direction thereof, i.e. cam 5021 and first
Gear 5022 is not exclusively overlapped in the projection on its axis direction, wherein potentially include partly overlap, be brought into close contact and
It is separated from each other three kinds of situations.
Wherein, if cam 5021 and first gear 5022 are overlapped in the projection section on its axis direction,
When cam and rack unit 502 and slide block gear assembly 503 is assembled, need the lap of cam 5021 and slide block 5031 exist
Stagger on its axis direction (lap of cam 5021 is not interacted with slide block 5031), by the overlap of first gear 5022
Part with second gear 5032 stagger in the axial direction thereof (lap of first gear 5022 not with 5032 phase of second gear
Interaction), the otherwise interaction of 5021 slide block 5031 of cam can be sent out with first gear 5022 and engaging for second gear 5032
Raw conflict.But the wave of cam 5021 and 5022 part-structure of first gear and material will necessarily be caused using this setup
Take, further, since 5022 only part position stress of cam 5021 and first gear so that cam 5021 and first gear 5022
Discontinuity, and then affect the service life of cam 5021 and first gear 5022.
If cam 5021 and first gear 5022 are separated from each other in the projection on its axis direction, i.e., vertical
Projection on its axis direction is staggered a certain distance, and the structure of cam and rack unit 502 can be caused not compact enough, mark is wasted
Determine the inner space of frame body 1.
In a kind of preferred embodiment of this utility model, using cam 5021 and first gear 5022 perpendicular to its axis
The set-up mode that projection on direction is brought into close contact, both can ensure that the uniform stressed of cam 5021 and first gear 5022, and
The volume of cam and rack unit 502 can be reduced, the inner space for demarcating frame body 1 is saved.
The drive wheel assemblies 5 also include the slide block gear assembly 503 cooperated with the cam and rack unit 502,
The slide block gear assembly 503 includes slide block 5031 and second gear 5032, is provided with along the left and right in the demarcation frame body 1
The chute 504 that direction X extends, the slide block 5031 is embedded inside the chute 504, and the chute 504 be slidably connected, institute
State outside and the rotation connection of the slide block 5031 that second gear 5032 is arranged on the slide block 5031, the second gear
The plane that 5032 rotating shaft is located with the slide block 5031 is vertical, and the slide block 5031 is matched with the cam 5021, described
First gear 5022 and the second gear 5032 match, and the slide block 5031 demarcates the one of 1 end of frame body towards described
Back-moving spring 505 is additionally provided between side and the demarcation frame body 1.
If the pose with cam and rack unit 502 and slide block gear assembly 503 shown in Fig. 8 is as its current state, drive
501 driving cam gear assembly 502 of galvanic electricity machine is rotated clockwise, then with the rotation of cam and rack unit 502, cam 5,021 half
Footpath (the distance between axis of the contact point of cam 5021 and slide block 5031 to cam 5021) is gradually reduced, slide block gear assembly
503 gradually move to cam and rack unit 502 in the presence of back-moving spring 505, keep the tight of cam 5021 and slide block 5031
Closely connected conjunction；When cam 5021 rotates to the junction with first gear 5022, cam 5021 and slide block 5031 are separated, the first tooth
Wheel 5022 and second gear 5032 start engagement, and first gear 5022 drives second gear 5032 to rotate；When first gear 5022
When driving second gear 5032 to rotate to certain angle, 501 driving cam gear assembly 502 of motor is rotated counterclockwise,
Then first gear 5022 drives second gear 5032 to invert, when first gear 5022 rotates to the junction with cam 5021,
First gear 5022 and second gear 5032 are separated, and cam 5021 and slide block 5031 are contacted again, and with cam 5021
Rotate, 5021 radius of cam becomes larger, cam 5021 promotes 503 compression reseting spring 505 of slide block gear assembly, towards away from convex
The direction motion of gear teeth wheel assembly 502, by controlling the rotating of motor 501, alternating realizes turning for second gear 5032
Dynamic and slip.
From the perspective of shown in Fig. 4, if the edge of second gear 5032 stretches out the distance mistake at the edge of slide block 5031
Conference causes the structure of slide block gear assembly 503 not compact enough, wastes the inner space for demarcating frame body 1；If second gear
The distance that 5032 edge stretches out the edge of slide block 5031 is too small or positioned at the inside at the edge of slide block 5031, can cause first
Gear 5022 and second gear 5032 are difficult engagement.In a kind of preferred embodiment of this utility model, the second gear 5032
Reference circle 5033 it is tangent near the side of the cam 5021 with the slide block 5031.Using this structure design, ensureing
While first gear 5022 and second gear 5032 are easy to engagement, slide block gear assembly 503 can be caused compacter, be saved
Demarcate the inner space of frame body 1.
The partial structural diagram of another kind of drive wheel assemblies that Figure 11 is provided for this utility model embodiment, such as Figure 11 institutes
Show, the drive wheel assemblies 5 that this utility model embodiment is provided also include a L-shaped support arm 506, the L-shaped support arm 506 includes mutually
Vertical first support arm 5061 and second support arm 5062, the first support arm 5061 are nested in the axis hole of the second gear 5032
It is interior, be fixedly connected with the second gear 5032.In order to limit the axial displacement of second gear 5032, first support arm 5061 and
Two gears 5032 can be fixed by taper key 508.
The end of the second support arm 5062 is provided with driving wheel 507, the driving wheel 507 and the second support arm 5062
Rotate connection, for driving the demarcation frame body 1 walk on rail 10, the driving wheel 507 include being coaxially disposed outward
Wheel 5072 and lubrication groove 5071, the diameter of the foreign steamer 5072 are less than the diameter of the lubrication groove 5071, the wheel face of the foreign steamer 5072
For being erected at the upper surface of rail head 1001, the lateral surface of the lubrication groove 5071 is used for being stuck in the medial surface of rail head 1001.
The work of the caliberating device that this utility model embodiment is provided is more fully understood for the ease of those skilled in the art
Principle, is illustrated to the different working condition of caliberating device respectively below in conjunction with Figure 12 A-12C.It is therein for the ease of recognizing
Details, has only intercepted on the left of caliberating device in Figure 12 A-12C and has illustrated, but it is understood that, the right side of caliberating device
It is symmetrical with left side.
A kind of walking states local of railway lateral wheel force caliberating device that Figure 12 A are provided for this utility model embodiment
Schematic diagram, as illustrated in fig. 12, when caliberating device is walked, cam 5021 is inconsistent with slide block 5031, promotes second gear 5032
Drive driving wheel 507 to be stuck on rail head 1001, make the wheel face of foreign steamer 5072 be erected at the upper surface of rail head 1001.In addition, in order to
Avoid driving wheel 507 and rail head 1001 stuck, make driving wheel 507 keep rotatory power, in the lateral surface and rail head of lubrication groove 5071
There is gap L between 1001 medial surface, the wherein size of gap L can be adjusted by rotating cam 5021, in this reality
With in a kind of new preferred embodiment, the size of gap L is configured to 2-3mm.
A kind of railway lateral wheel force caliberating device that Figure 12 B are provided for this utility model embodiment hold out against state local
Schematic diagram.When caliberating device walking is to tested point position, need for caliberating device to be maintained at a stable state, otherwise,
When subsequently carrying out lateral wheel force demarcation, it is easily caused demarcation frame body 1 and inclines and rock, and then affect the accuracy demarcated.
In this utility model embodiment, after caliberating device walking is to tested point position, control cam 5021 is rotated, and makes driving wheel
507 towards near rail 10 direction move, until the medial surface of the lateral surface and rail head 1001 of lubrication groove 5071 is brought into close contact, i.e., between
Gap L is 0, makes demarcation frame body 1 be in a steady statue.
A kind of demarcation state local of railway lateral wheel force caliberating device that Figure 12 C are provided for this utility model embodiment
Schematic diagram.When caliberating device starts to demarcate, in order to avoid the shadow because of the interaction relationship between driving wheel 507 and rail 10
The accuracy of calibration result is rung, second gear 5032 can be driven to rotate by first gear 5022, be driven driving wheel 507 to swing
To the top of rail 10.In this state, the block 4 for only demarcating 1 both sides of frame body is contacted with rail 10, not by other portions
The interference of part, it is ensured that calibration result is accurate.With regard to the control process of cam and rack unit 502, carry out in subsequent embodiment in detail
Describe in detail bright.
It is from the above-mentioned analysis to Figure 12 A and Figure 12 B, when caliberating device is in walking states and holds out against state, convex
Wheel 5021 and slide block 5031 should be at a stable state, but the contact between cam 5021 and slide block 5031 is connect for line
Touch, be generally difficult to keep stable using this way of contact, and then the position being likely to result between driving wheel 507 and rail 10
Relation is unstable.
The axis projection schematic diagram of another kind of slide block gear assembly that Figure 13 is provided for this utility model embodiment, such as Figure 13
Shown, the cam 5021 that this utility model embodiment is provided is additionally provided with locating surface on its curved surface, and the locating surface is plane, is passed through
Locating surface contacts driving wheel 507 and rail when can improve caliberating device in walking states or hold out against state with the face of slide block 5031
Stability between 10, wherein, the locating surface includes the first locating surface 5024 and the second locating surface 5025, first positioning
When position of the face 5024 on cam 5021 is configured as the first locating surface 5024 and the contact of slide block 5031,507 He of driving wheel
Rail 10 is in and holds out against state, it is preferable that projection of the axis of the cam and rack unit 5 on first locating surface 5024
For the axis of symmetry of first locating surface 5024, and first locating surface 5024 is cam described in distance on the cam 5021
The farthest plane of the axis of gear assembly 5；Position of second locating surface 5025 on cam 5021 is configured as second
When locating surface 5025 and slide block 5031 are contacted, there is gap L with rail 10 in driving wheel 507, it is preferable that second locating surface
5025 quantity is two, and two second locating surfaces 5025, first locating surface 5024 relatively is symmetrical arranged.
Due in an advantageous embodiment, when caliberating device is in walking states, between driving wheel 507 and rail 10
Gap L be 2-3mm, correspondingly, between the axis of the central point and the cam 5021 of first locating surface 5024 away from
From for S1, the distance between the central point of second locating surface 5025 and axis of the cam 5021 are S2, wherein, 2mm
＜ S1-S2 ＜ 3mm.
In a kind of preferred embodiment of this utility model, level gauge 8 is additionally provided with frame body 1 is demarcated, by level gauge 8
The levelness for demarcating frame body 1 can be checked, be easy to when frame body 1 being demarcated in heeling condition, in time to demarcating
The pose of frame body 1 is adjusted, it is ensured that demarcate accuracy.
The drive mechanism provided from above technical scheme, this utility model embodiment, when cam and rack unit is rotated
When, second gear can be driven to slide by actuated by cams slide block, or drive second gear to rotate by first gear, that is, be led to
The rotation for crossing cam and rack unit realizes that second gear is alternately slided and rotated.The drive mechanism is applied to into railway horizontal
In the drive wheel assemblies of wheel rail force caliberating device, when the demarcation of railway lateral wheel force is carried out, cam and rack unit can be passed through,
Control driving wheel departs from rail, it is ensured that the stated accuracy of railway lateral wheel force.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
Individual entity or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or operate it
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that a series of process, method, article or equipment including key elements not only includes those
Key element, but also including other key elements being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment.
The above is only specific embodiment of the present utility model, is made skilled artisans appreciate that or realizing this
Utility model.Various modifications to these embodiments will be apparent to one skilled in the art, institute herein
The General Principle of definition can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.
Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and original disclosed herein
Reason and the consistent most wide scope of features of novelty.
Claims (7)
1. a kind of cam and rack unit, is applied to railway lateral wheel force caliberating device, it is characterised in that the cam wheel group
Part includes：Cam (5021) and first gear (5022), basic circle (5023) diameter and first tooth of cam (5021)
The root diameter of wheel (5022) is equal, cam (5021) and the coaxial setting of the first gear (5022), the cam
(5021) projection in the axial direction thereof of the root circle of outer rim and the first gear (5022) constitutes a closed curve,
And the outer rim of cam (5021) is smoothed in the junction of the closed curve with the root circle of the first gear (5022)
Transition.
2. cam and rack unit according to claim 1, it is characterised in that be additionally provided with the curved surface of cam (5021)
Locating surface, the locating surface are the plane on the curved surface of the cam (5021).
3. cam and rack unit according to claim 2, it is characterised in that the locating surface includes the first locating surface
(5024) and the second locating surface (5025), the projection of the axis of the cam and rack unit on the first locating surface (5024)
For the axis of symmetry of the first locating surface (5024), the quantity of the second locating surface (5025) is two, two described second
Locating surface (5025) relatively described first locating surface (5024) is symmetrical arranged.
4. cam and rack unit according to claim 3, it is characterised in that the central point of the first locating surface (5024)
It is S1 with the distance between the axis of the cam (5021), central point and the cam of the second locating surface (5025)
(5021) the distance between axis is S2, wherein, 2mm ＜ S1-S2 ＜ 3mm.
5. a kind of slide block gear assembly, is applied to railway lateral wheel force caliberating device, it is characterised in that the slide block gear train
Part includes：Slide block (5031) and second gear (5032), second gear (5032) are rotated with the slide block (5031) and are connected,
And the rotating shaft of second gear (5032) is vertical with the plane that the slide block (5031) is located.
6. slide block gear assembly according to claim 5, it is characterised in that the reference circle of second gear (5032)
(5033) it is tangent with the side of the slide block (5031).
7. a kind of drive mechanism, is applied to railway lateral wheel force caliberating device, it is characterised in that the drive mechanism includes power
Profit requires the cam and rack unit described in any one of 1-4 and the slide block gear assembly described in claim 5 or 6；
Wherein, cam (5021) are matched with the slide block (5031), first gear (5022) and second tooth
Wheel (5032) matches, and when the cam and rack unit is rotated, described cam (5021) drive described slide block (5031) translation；
Or, described first gear (5022) drive described second gear (5032) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026527.2U CN206036171U (en) | 2016-08-31 | 2016-08-31 | Cam gear components , sliding block gear subassembly and drive mechanism who constitutes thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026527.2U CN206036171U (en) | 2016-08-31 | 2016-08-31 | Cam gear components , sliding block gear subassembly and drive mechanism who constitutes thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036171U true CN206036171U (en) | 2017-03-22 |
Family
ID=58297632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621026527.2U Withdrawn - After Issue CN206036171U (en) | 2016-08-31 | 2016-08-31 | Cam gear components , sliding block gear subassembly and drive mechanism who constitutes thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337923A (en) * | 2016-08-31 | 2017-01-18 | 青岛大学 | Cam gear assembly, slider gear assembly and transmission mechanism composed of cam gear assembly and slider gear assembly |
-
2016
- 2016-08-31 CN CN201621026527.2U patent/CN206036171U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337923A (en) * | 2016-08-31 | 2017-01-18 | 青岛大学 | Cam gear assembly, slider gear assembly and transmission mechanism composed of cam gear assembly and slider gear assembly |
| CN106337923B (en) * | 2016-08-31 | 2019-04-09 | 青岛大学 | The transmission mechanism of cam and rack unit, sliding block gear assembly and its composition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170322 Effective date of abandoning: 20190409 |