CN106918555B - The auxiliary flexible tooling and method of rail car axle box spring adhesion strength detection - Google Patents
The auxiliary flexible tooling and method of rail car axle box spring adhesion strength detection Download PDFInfo
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- CN106918555B CN106918555B CN201710198440.6A CN201710198440A CN106918555B CN 106918555 B CN106918555 B CN 106918555B CN 201710198440 A CN201710198440 A CN 201710198440A CN 106918555 B CN106918555 B CN 106918555B
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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Abstract
The auxiliary flexible tooling of rail car axle box spring adhesion strength detection, chassis including horizontally disposed circular ring shape, the support frame that journal box spring is used to support on chassis is set, for adjusting the position motivation of adjustment mechanism of support frame position on chassis, the opening and closing of position motivation of adjustment mechanism is by external control system coordinated control, it is characterized in that the support frame is made of at least two support arms, same circumference of the support arm on chassis is spaced apart, position motivation of adjustment mechanism and support arm are sequentially connected, starting position motivation of adjustment mechanism drives several support arms to make support frame along chassis radial expansion or gathering along chassis radial direction synchronizing moving.The auxiliary flexible tooling of rail car axle box spring adhesion strength detection of the invention can carry out the adjust automatically of size according to the size of journal box spring to be detected, and versatile, the present invention also provides a kind of methods of rail car axle box spring adhesion strength detection.
Description
Technical field
The present invention relates to a kind of auxiliary flexible toolings of rail car axle box spring adhesion strength detection, are used for rail vehicle
The adhesion strength of journal box spring detects.The invention further relates to the methods of rail car axle box spring adhesion strength detection.
Background technique
Journal box spring is vertical during train operation to play carrying, decaying vibration, and transmits traction, brake load
And lateral steering load, due to installing simply, conveniently, feature non-maintaining throughout one's life is widely used in subway, light rail and low land
In wooden handcart.
The primary structure of journal box spring as shown in Figure 1, be followed successively by mandrel, partition and housing from the inside to the outside, wherein mandrel, every
Vulcanized between plate and housing by rubber layer and connected, the vertical ultimate bearing of journal box spring is by mandrel and partition, partition and partition
And the adhesion strength decision of partition and outer inner room, adhesion strength is bigger, and the ultimate bearing that can bear is bigger.According to railcar
Operating condition and carrying demand, the ultimate bearing that journal box spring can bear in use should set in journal box spring
It counts in load range.Journal box spring is installed on rail vehicle truck, and wherein the housing of journal box spring and bogie frame are solid
Fixed connection, mandrel are fixedly connected with axle box;During carrying vibration damping, relative motion occurs between housing and mandrel, makes axis
Case spring is axially retractable or radially deformed.When journal box spring is along axial tension, the rubber of a certain layer in journal box spring inside
Fracture or permanent deformation occur for glue, the vibration for directly affecting journal box spring are all subtracted performance, bearing capacity, can not by poly- drop yet
Meet the ultimate bearing requirement in use process, and by the adhesion strength of detection journal box spring, it can directly judge axle box bullet
Whether the vertical bearing capacity of spring meets design requirement, therefore the detection of journal box spring adhesion strength is reasonably necessary.
According to adherency as defined in TB/T2843-2015 " rubber elastic element general technical specifications used for rolling stock " appendix C
Strength test principle: test specimen is that product is in kind, in two outer connectors (i.e. the housing and arbor portions of journal box spring) of test specimen
Upper application vertical tension measures the maximum, force of test piece deformation, and the maximum, force on test specimen unit area is the viscous of rubber and connecting plate
Close intensity.According to above-mentioned testing principle, in the prior art mainly using vertical pressurizing device and Auxiliary support tooling to axle box bullet
Spring carries out adhesion strength detection, and detection process is that journal box spring is inverted in the Auxiliary support tooling of cylindrical frame structure
On, the outer of journal box spring is placed in tooling, and the mandrel of journal box spring is from protruding into tooling, by vertical pressurizing device to mandrel
Pressurization, makes to bear preset ultimate load value between mandrel and housing, when pressurized between reach preset time, and journal box spring is simultaneously
When not damaged, then illustrate that the adhesion strength of journal box spring meets design requirement, otherwise do not meet.It can using above-mentioned detection method
Effectively detect whether the adhesion strength of journal box spring is qualified, but there is also following disadvantages:
1, a kind of Auxiliary support tooling of size can only correspond to a kind of journal box spring of size, and the nothing of Auxiliary support tooling is logical
With property, need to take a substantial amount of time with manpower the Auxiliary support tooling for replacing different sizes in the detection process, to adapt to
Without the test of the journal box spring of size.
2, the Auxiliary support tooling of various sizes, quantity is more, and production adult is big, and parking space occupies big, preservation management hardly possible
Degree is big.
3, axis helps larger with the contact area of journal box spring jacket bottom at the top of supporting tool, in vertical pressure process and
The risk of damaging of the outer inner room of journal box spring is big.
Therefore, a kind of flexible auxiliary mould that can change with the change in size of journal box spring to be detected is developed, is overcome existing
There are the Auxiliary support tooling in technology, no versatility, large labor intensity of remodeling, detection duration, low efficiency, storage occupied space
Greatly, the defect of unmanageable and testing product of easily damaging is the purpose that the present invention studies.
Summary of the invention
The auxiliary flexible tooling of rail car axle box spring adhesion strength detection provided by the invention, can be according to axis to be detected
The size of case spring carries out the adjust automatically of size, and versatile, the present invention also provides a kind of adherency of rail car axle box spring
The method of intensity detection.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: rail car axle box spring adhesion strength detection
Auxiliary flexible tooling, chassis including horizontally disposed circular ring shape, be arranged in be used to support on chassis journal box spring support frame,
For adjusting the position motivation of adjustment mechanism of support frame position on chassis, the opening and closing of position motivation of adjustment mechanism is controlled by outside
System coordination control, it is characterised in that the support frame is made of at least two support arms, and support arm is same on chassis
Circumference is spaced apart, and position motivation of adjustment mechanism and support arm are sequentially connected, and the driving of starting position motivation of adjustment mechanism is several
Support arm makes support frame along chassis radial expansion or gathering along chassis radial direction synchronizing moving.
Preferably, for the support arm perpendicular to chassis, support arm is the wedge shape that thickness is gradually reduced from bottom to up, and
The opposite inner surface of support arm is vertically to the arc surface on chassis, and the arc radius of the inner surface of each support arm is equal.
Preferably, the top of the inner surface is hierarchic structure at least with one layer of step, the hierarchic structure
Each layer step edge be round-corner transition edge.
Preferably, the arc radius in the arc steps face in the hierarchic structure vertically is incremented by successively from bottom to up,
And the middle position in each arc steps face is respectively arranged with the position sensor connecting with external control system, the position sensing
Device is embedded in support arm, and the inductive probe of position sensor is flushed with arc steps face.
Preferably, it is disposed radially on the bottom and chassis of the support arm and guiding is risen to the movement of support arm and made
The sliding cooperation of guiding groove, the two sides of the bottom of support arm in the width direction have Anti-inclining lug, nib, and the guiding is recessed
The two sides of slot have side corresponding with Anti-inclining lug, nib groove, and Anti-inclining lug, nib, which protrudes into side groove, prevents support arm from tilting.
Preferably, the bottom of the support arm is equipped with the bottom plate with guiding groove cooperation, and the Anti-inclining lug, nib is set
It sets in the left and right sides of bottom plate, the rear and front end of the bottom plate is prominent along the front and rear sides of chassis radial direction from support arm, and bottom
The front end of plate is in and support arm frontside contacts " L " shape.
Preferably, the position motivation of adjustment mechanism includes being fixed on support arm in rack gear, the tooth being engaged with rack
Wheel, the power mechanism for rotating with moving gear, the rack gear are arranged radially along chassis, are started the power mechanism and are driven
Gear rotation, moves radially rack gear along chassis, so that support arm be driven to move radially along chassis.
Preferably, the power mechanism includes motor, the biography with the gear shaft of gear axis connection and by motor drive
Dynamic chain, the chassis lateral surface have the installation groove being inwardly recessed, and the gear shaft is vertical to be mounted on installation groove
In, it is pierced by the top of gear shaft from chassis upper surface and is connected with gear, the chain wheel cooperation on driving chain and gear shaft is detoured
On several gear shafts, motor is mounted on the outside on chassis, and starting motor driven driving chain is around chassis circumferential movement, band moving gear
Axis rotation, to be rotated with moving gear.
The method of rail car axle box spring adhesion strength detection, it is characterised in that use above-described rail vehicle axis
The auxiliary flexible tooling of case spring adhesion strength detection is detected, and steps are as follows:
A: the auxiliary flexible tooling that rail car axle box spring adhesion strength detects is fixed on bracket;
B: according to the inner diameter values of journal box spring housing to be detected, motivation of adjustment mechanism in position is started by external control system
It drives several support arms along chassis radial direction synchronizing moving, the inner diameter values of support frame is made to be equal to the internal diameter of journal box spring housing to be detected
Value;
C: placing journal box spring to be detected, and the outer of journal box spring to be detected is placed on support arm, axle box to be detected
The mandrel of spring protrudes into support frame;
D: utilizing vertical pressurizing device, carries out press perpendicular to the mandrel of journal box spring to be detected, judges to be detected
Whether the adhesion strength of journal box spring is qualified.
Preferably, the method for rail car axle box spring adhesion strength detection according to claim 8, feature exist
In the step " C " specifically:
C1: journal box spring to be detected, the jacket bottom of journal box spring to be detected and the ladder at the top of support arm are placed
The horizontal bench face contact of structure wherein one layer of step, the housing side of journal box spring to be detected and the arc steps of this layer of step
Cooperate between face for small―gap suture;
C2: the position sensor on each support arm will be between the housing side and arc steps face of journal box spring to be detected
Clearance distance value is transferred in external control system;
C3: external control system judges the placement location of journal box spring to be detected according to the transmission numerical value of position sensor
Whether qualified, qualified then continue subsequent detection, otherwise external control system will issue journal box spring placement location to be detected
Underproof warning note sound prompts operator to treat detection journal box spring and carries out position adjustment, until external control system
Judge that the placement location of journal box spring to be detected is qualified.
The beneficial effects of the present invention are:
1, the auxiliary flexible tooling of rail car axle box spring adhesion strength of the invention detection, including chassis, support
Frame, position motivation of adjustment mechanism, wherein support frame is made of at least two support arms, drives branch by position motivation of adjustment mechanism
Brace is moved radially along chassis, makes support frame along chassis radial expansion or gathering, so that it is different so that support frame is can support size
The technical issues of journal box spring, solving Auxiliary support tooling size in the prior art can not change, no versatility, makes auxiliary flexible
Tooling can carry out the adjust automatically of size according to the size of journal box spring to be detected, versatile.
2, the Auxiliary support to various sizes of journal box spring can be completed using auxiliary flexible tooling of the invention,
It in the adhesion strength detection process of journal box spring, no longer needs to remodel to auxiliary mould, can substantially reduce in detection process
Labor intensity accelerates detection speed, improves detection efficiency.
3, the storage and management of the Auxiliary support tooling to each specifications and models in the prior art are eliminated, is saved a large amount of raw
Space and management manpower are produced, the input cost of journal box spring detection is reduced.
4, same circumference of the support arm on chassis is spaced apart in auxiliary flexible tooling of the invention, support arm with
The contact area of journal box spring is smaller, can reduce the risk of damaging in the detection process of journal box spring.
5, the method for rail car axle box spring adhesion strength of the invention detection, using auxiliary flexible work of the invention
Dress carries out adhesion strength detection to journal box spring, and detection process is easy to operate, without manually remodeling to auxiliary mould, position
The opening and closing of motivation of adjustment mechanism improves the automatization level of detection process by external control system coordinated control, reduces inspection
Labor intensity during survey, detection speed are fast, high-efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of journal box spring.
Fig. 2 is that the structure of the auxiliary flexible tooling of specific embodiment middle orbit vehicle journal box spring adhesion strength detection is shown
It is intended to.
Fig. 3 is support frame along chassis radial expansion or the floor map of gathering.
Fig. 4 is the auxiliary flexible tooling cutting signal of specific embodiment middle orbit vehicle journal box spring adhesion strength detection
Figure.
Fig. 5 is the partial schematic diagram of support arm.
Fig. 6 is the structural schematic diagram of installation site sensor on support arm.
Fig. 7 is that the part of the auxiliary flexible tooling of specific embodiment middle orbit vehicle journal box spring adhesion strength detection shows
It is intended to.
Fig. 8 is that the part of the auxiliary flexible tooling of specific embodiment middle orbit vehicle journal box spring adhesion strength detection shows
It is intended to.
Fig. 9 is that the front of the auxiliary flexible tooling of specific embodiment middle orbit vehicle journal box spring adhesion strength detection is cutd open
View.
Figure 10 is the auxiliary flexible tooling that journal box spring to be detected is placed in the detection of rail car axle box spring adhesion strength
On cross-sectional view.
Specific embodiment
It elaborates below with reference to Fig. 2 to Figure 10 to the embodiment of the present invention.
The auxiliary flexible tooling of rail car axle box spring adhesion strength detection, the chassis including horizontally disposed circular ring shape
1, the support frame 2 that journal box spring is used to support on chassis 1, the position tune for adjusting the position on chassis 1 of support frame 2 are set
Whole power mechanism 3, the opening and closing of position motivation of adjustment mechanism 3 is by external control system coordinated control, it is characterised in that the branch
Support 2 is made of at least two support arms 21, and support arm 21 is spaced apart along the One On The Chassis same circumference, and position adjustment is dynamic
Force mechanisms 3 and support arm 21 are sequentially connected, and starting position motivation of adjustment mechanism 3 drives several support arms 21 radial same along chassis 1
Moved further makes support frame 2 along 1 radial expansion of chassis or gathering.
From figure 2 it can be seen that the quantity of support arm 21 is six, and along the One On The Chassis same circumference uniform intervals
It is distributed, i.e., the radian being spaced between adjacent support arm 21 is 60 degree.Under the driving of position adjusting mechanism 3, six support arms
21 synchronization is along 1 radial motion of chassis, as shown in figure 3, make support frame 2 along 1 radial expansion of chassis or gathering, it when detecting can root
Support frame 2 is adjusted according to the size of journal box spring in the One On The Chassis position, is made more than the journal box spring of various sizes can pass through
The auxiliary flexible tooling carries out the detection of adhesion strength, and position motivation of adjustment mechanism 3 coordinates to control by external control system
System can realize the automatic extension or receipts of support frame 2 by operating external control system without the position of manpower adjustment support arm 21
Hold together, improves the automatization level of detection.
Wherein, for the support arm 21 perpendicular to chassis 1, support arm 21 is the wedge that thickness is gradually reduced from bottom to up
The bottom thickness of shape, support arm 21 is big, and the support strength and stability of support arm 21 can be improved, and top thickness is small to reduce support
The contact area of arm 21 and journal box spring reduces the risk that journal box spring is damaged in the detection process.Opposite interior of support arm 21
Surface 21.1 is vertically to the arc surface on chassis 1, and the arc radius of the inner surface 21.1 of each support arm 21 is equal, in production branch
It when brace 21, can empty to form inner cylinder face by a cylindricality metal material, then carry out divided in equal amounts molding, so can guarantee every
The arc radius of the inner surface 21.1 of a support arm 21 is equal, makes the 21.1 concentricity height one of inner surface of each support arm 21
It causes, the position accuracy of journal box spring placement can be improved.
Wherein, the top of the inner surface 21.1 is hierarchic structure 21.2 at least with one layer of step, with ladder knot
The bottom surface of horizontal plane support axle box spring overcoat in structure 21.2, with the vertical plane and journal box spring housing in hierarchic structure 21.2
Side clearance cooperation, journal box spring place when carry out position guiding, improve the position accuracy of placement, and multilayer steps
Hierarchic structure 21.2 supports of a variety of journal box springs that journal box spring housing diameter is gradually increased, the rank can also be applied
Each layer step edge of terraced structure 21.2 is round-corner transition edge, that is, can avoid wiping when journal box spring is placed with step edge
It touches, and can avoid step edge in the detection process and impression is formed to the housing bottom surface of journal box spring.
Wherein, the arc radius in the arc steps face 21.21 in the hierarchic structure 21.2 vertically from bottom to up according to
It is secondary to be incremented by, and the middle position in each arc steps face 21.21 is respectively arranged with the position sensor 5 connecting with external control system,
The position sensor 5 is embedded in support arm 21, and the inductive probe of position sensor 5 is flushed with arc steps face 21.21,
Arc steps face 21.21 is measured with position sensor 5 and arrives the distance of journal box spring housing side, and is transferred to external control system
In system, external control system judges whether the placement location of journal box spring closes according to the transmission data of several position sensors 5
Lattice are alarmed as unqualified, prompt to reappose or carry out position adjustment.
Wherein, it is disposed radially on the bottom Yu chassis 1 of the support arm 21 and guiding is risen to the movement of support arm 21
The guiding groove 11 of effect slides cooperation, and the two sides of the bottom of support arm 21 in the width direction have Anti-inclining lug, nib 21.3, institute
The two sides for the guiding groove 11 stated have side corresponding with Anti-inclining lug, nib 21.3 groove 11.1, and Anti-inclining lug, nib 21.3 protrudes into
Side groove 11.1 prevents support arm 21 from tilting.Support arm 21 is oriented in the One On The Chassis movement by guiding groove 11, prevents from supporting
Arm 21 shifts on chassis 1, while the cooperation of side groove 11.1 and Anti-inclining lug, nib 21.3 can effectively prevent support arm
21 inclinations, improve the support strength of support arm 21, support frame 2 are effectively prevent to topple in the detection process.
Specifically, the bottom of the support arm 21 is equipped with the bottom plate 21.4 cooperated with guiding groove 11, the anti-dumping
The left and right sides of bottom plate 21.4 is arranged in oblique lug, nib 21.3, and the rear and front end of the bottom plate 21.4 is from support arm 21 along chassis 1
Radial front and rear sides are prominent, and the front end of bottom plate 21.4 be in and 21 frontside contacts of support arm " L " shape, i.e. bottom plate 21.4
Front end is contacted with inner surface 21.1.When support arm 21 is mobile, bottom plate 21.4 moves in guiding groove 11, the front and back of bottom plate 21.4
End is prominent from 21 front and rear sides of support arm, can increase the support strength of 21 bottom of support arm, support arm 21 is further prevented to incline
Tiltedly, and 21.4 front end of bottom plate " L " shape, support arm 21 inward slant in vertical compression can be effectively prevent, improve support
The support reliability of arm 21.
Wherein, the position motivation of adjustment mechanism 3 includes being fixed on support arm 21 in rack gear 31, with rack gear 31 to engage
Gear 32, the power mechanism 33 for being rotated with moving gear 32, the rack gear 31 is arranged radially along chassis 1, described in starting
Power mechanism 33 with moving gear 32 rotate, move radially rack gear 31 along chassis 1, to drive support arm 21 along 1 diameter of chassis
To movement.By the engaging structure of rack gear 31 and gear 32, the displacement accuracy that support arm 21 moves on chassis 1 is improved, is nibbled
Driving method is closed, structure is simple, and it is easy for installation, it is easy to replace and maintain.As shown in fig. 7, rack gear 21 is fixed on bottom plate 21.4,
Drive bottom plate 21.4 mobile, according to actual installation requirements, rack gear 21 can also be fixed in the other positions of support arm 21.
Specifically, the power mechanism 33 includes motor 33.1 and the coaxially connected gear shaft 33.2 of gear 32 and leads to
The driving chain 33.3 of the transmission of motor 33.1 is crossed, 1 lateral surface of chassis has the installation groove 12 being inwardly recessed, described
Gear shaft 33.3 is vertical to be mounted in installation groove 12, and 33.2 top of gear shaft is pierced by from 1 upper surface of chassis to be connected with gear 32,
Chain wheel cooperation on driving chain 33.3 and gear shaft 33.2 is detoured on several gear shafts 33.2, and motor 33.1 is mounted on bottom
The outside of disk 1, starting motor 33.1 drive driving chain 33.3 around 1 circumferential movement of chassis, and band movable gear shaft 33.2 rotates, thus
Band moving gear 32 rotates.It is driven by the operation band moving gear 32 of driving chain 22.3, thus radial along chassis 1 with carry-over bar 31
Movement moves support arm 21, and the synchronism that support arm 21 moves is high.And in practice, it can also be using in gear shaft
Detour synchronous belt on 33.2, by the movement of synchronous belt with the rotation of moving gear 32.
The method of rail car axle box spring adhesion strength detection, it is characterised in that use above-described rail vehicle axis
The auxiliary flexible tooling of case spring adhesion strength detection is detected, and steps are as follows:
A: the auxiliary flexible tooling that rail car axle box spring adhesion strength detects is fixed on bracket, is guaranteed vertical
During pressurization the mandrel of journal box spring not with ground face contact.
B: according to the inner diameter values of journal box spring housing to be detected, motivation of adjustment mechanism in position is started by external control system
The 3 several support arms 21 of driving make the inner diameter values of support frame 2 be equal to journal box spring housing to be detected along the radial synchronizing moving in chassis 1
Inner diameter values;It should be noted that the outer/inner diameter value in order to quickly know journal box spring housing to be detected, it can be in axis to be detected
The viscous two dimensional code with the outer/inner diameter value information of housing is pasted on case spring, external control system is by treating on detection journal box spring
The scanning of two dimensional code controls the starting of position motivation of adjustment mechanism 3 you can learn that its outer casing internal diameter value, to the position of support frame 2
It is automatically adjusted.
C: placing journal box spring 100 to be detected, and the outer of journal box spring 100 to be detected is placed on support arm 21, to
The mandrel of detection journal box spring protrudes into support frame 2;In order to improve detection from movement degree, can use and external control is
The manipulator of system connection places journal box spring to be detected, and operation external control system controls manipulator, manually removes to save
The process for lifting journal box spring to be detected further decreases the labor intensity in detection process.
D: as shown in Figure 10, using vertical pressurizing device, press perpendicular is carried out to the mandrel of journal box spring to be detected, is sentenced
Break journal box spring to be detected adhesion strength it is whether qualified, the wherein action time of lateral pressure FN and size, by be detected
The design load range of journal box spring determines.
The step " C " specifically:
C1: journal box spring to be detected, the rank at 21 top of jacket bottom and support arm of journal box spring to be detected are placed
The horizontal bench face contact of terraced structure 21.2 wherein one layer of step, the housing side of journal box spring to be detected and the circle of this layer of step
Cooperate between arc step surface 21.21 for small―gap suture;
C2: position sensor 5 on each support arm 21 is by the housing side of journal box spring to be detected and arc steps face
Clearance distance value between 21.21 is transferred in external control system;
C3: external control system judges the placement location of journal box spring to be detected according to the transmission numerical value of position sensor 5
Whether qualified, qualified then continue subsequent detection, otherwise external control system will issue journal box spring placement location to be detected
Underproof warning note sound prompts operator to treat detection journal box spring and carries out position adjustment, until external control system
Judge that the placement location of journal box spring to be detected is qualified.Deployed position sensor 5, the placement for improving journal box spring to be detected are accurate
Rate, the reliability of detection and accuracy are higher.
The advantages of auxiliary flexible tooling and method of above-described rail car axle box spring adhesion strength detection, is:
1, it drives support arm to move radially along chassis by position motivation of adjustment mechanism, expands support frame radially along chassis
Exhibition is collapsed, so that support frame be made to can support the different journal box spring of size, solves Auxiliary support tooling size in the prior art
It can not change, the technical issues of no versatility, make auxiliary flexible tooling that can carry out size according to the size of journal box spring to be detected
Adjust automatically, it is versatile.
2, it in the adhesion strength detection process of journal box spring, no longer needs to remodel to auxiliary mould, can substantially reduce
Labor intensity in detection process accelerates detection speed, improves detection efficiency.
3, the storage and management of the Auxiliary support tooling to each specifications and models in the prior art are eliminated, is saved a large amount of raw
Space and management manpower are produced, the input cost of journal box spring detection is reduced.
4, same circumference of the support arm on chassis is spaced apart in auxiliary flexible tooling, support arm and journal box spring
Contact area it is smaller, the risk of damaging in the detection process of journal box spring can be reduced.
5, driving method is engaged using rack and pinion in position motivation of adjustment mechanism, driving support arm is mobile, improves branch
The mobile displacement accuracy of brace, and engagement drive structure is simple, it is easy for installation, it is conveniently replaceable or repairs.
6, guarantee multiple gears using driving chain and gear shaft cooperation transmission in position motivation of adjustment mechanism while turning
Dynamic, the mobile synchronism of support arm is high.
7, hierarchic structure is used at the top of support arm, is set guiding for the line position that is placed into of journal box spring, is improved journal box spring
Place accuracy.
8, the bottom plate that support arm is additionally arranged at the bottom can effectively increase the support strength of support arm, and support arm bottom and chassis
Between have anti-tilt structure, can prevent support arm from tilting in pressurized process, improve the use reliability and safety of tooling
Property.
9, the loading position sensor at the top of support arm transmits induction number to external control system by position sensor
According to, the support placement location of axle box axle box is effectively monitored, guarantee journal box spring accurately place, improve the accuracy of detection
And reliability.
10, the method for rail car axle box spring adhesion strength detection, using auxiliary flexible tooling of the invention to axle box
Spring carries out adhesion strength detection, and detection process is easy to operate, without manually remodeling to auxiliary mould, position motivation of adjustment
The opening and closing of mechanism is improved the automatization level of detection process, is reduced in detection process by external control system coordinated control
Labor intensity, detection speed it is fast, high-efficient.
It is completely described in conjunction with technical solution of the attached drawing to the embodiment of the present invention above, it should be noted that described
Embodiment be only a part of the embodiments of the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Claims (7)
1. the auxiliary flexible tooling of rail car axle box spring adhesion strength detection, the chassis including horizontally disposed circular ring shape
(1), setting is used to support the support frame (2), upper in chassis (1) for adjusting support frame (2) of journal box spring on chassis (1)
The position motivation of adjustment mechanism (3) set, the opening and closing of position motivation of adjustment mechanism (3) are special by external control system coordinated control
Sign is that the support frame (2) is made of at least two support arms (21), same circumference of the support arm (21) on chassis (1)
Line is spaced apart, and position motivation of adjustment mechanism (3) and support arm (21) are sequentially connected, and starting position motivation of adjustment mechanism (3) is driven
Move several support arms (21) makes support frame (2) along chassis (1) radial expansion or gathering along chassis (1) radial synchronizing moving;
For the support arm (21) perpendicular to chassis (1), support arm (21) is the wedge shape that thickness is gradually reduced from bottom to up, and
The opposite inner surface (21.1) of support arm (21) is the arc surface perpendicular to chassis (1), the inner surface of each support arm (21)
(21.1) arc radius is equal;
The top of the inner surface (21.1) is hierarchic structure (21.2) at least with one layer of step, the hierarchic structure
(21.2) each layer step edge is round-corner transition edge;
The arc radius in the arc steps face (21.21) in the hierarchic structure (21.2) vertically is successively passed from bottom to up
Increase, and the middle position in each arc steps face (21.21) is respectively arranged with the position sensor (5) connecting with external control system,
In position sensor (5) insertion support arm (21), and the inductive probe of position sensor (5) and arc steps face
(21.21) it flushes.
2. the auxiliary flexible tooling of rail car axle box spring adhesion strength detection according to claim 1, feature exist
In being disposed radially on the bottom and chassis (1) of the support arm (21) and play the guiding role to the movement of support arm (21)
It is oriented to groove (11) sliding cooperation, the two sides of the bottom of support arm (21) in the width direction have Anti-inclining lug, nib (21.3), institute
The two sides for the guiding groove (11) stated have side corresponding with Anti-inclining lug, nib (21.3) groove (11.1), Anti-inclining lug, nib
(21.3) protruding into side groove (11.1) prevents support arm (21) from tilting.
3. the auxiliary flexible tooling of rail car axle box spring adhesion strength detection according to claim 2, feature exist
The bottom plate (21.4) with guiding groove (11) cooperation, the Anti-inclining lug, nib are housed in the bottom of the support arm (21)
(21.3) it is arranged in the left and right sides of bottom plate (21.4), the rear and front end of the bottom plate (21.4) is from support arm (21) along chassis
(1) radial front and rear sides are prominent, and the front end of bottom plate (21.4) is in and support arm (21) frontside contacts " L " shape.
4. the auxiliary flexible tooling of rail car axle box spring adhesion strength detection according to claim 1, feature exist
It include being fixed on support arm (21) in rack gear (31), with rack gear (31) to engage in the position motivation of adjustment mechanism (3)
Gear (32), the power mechanism (33) for rotating with moving gear (32), the rack gear (31) are arranged radially along chassis (1),
Starting power mechanism (33) band moving gear (32) rotates, and moves radially rack gear (31) along chassis (1), to drive branch
Brace (21) is moved radially along chassis (1).
5. the auxiliary flexible tooling of rail car axle box spring adhesion strength detection according to claim 4, feature exist
In the power mechanism (33) include motor (33.1), with gear (32) coaxially connected gear shaft (33.2) and pass through motor
(33.1) driving chain (33.3) being driven, the chassis (1) lateral surface has the installation groove (12) being inwardly recessed, described
Gear shaft (33.2) it is vertical be mounted in installation groove (12), at the top of gear shaft (33.2) from chassis (1) upper surface be pierced by with
Gear (32) is connected, and the chain wheel cooperation on driving chain (33.3) and gear shaft (33.2) is detoured in several gear shafts (33.2)
On, motor (33.1) is mounted on the outside of chassis (1), and starting motor (33.1) driving driving chain (33.3) is around chassis (1) week
To movement, band movable gear shaft (33.2) is rotated, to rotate with moving gear (32).
6. the method for rail car axle box spring adhesion strength detection, it is characterised in that using described in any one of claim 1 to 5
Rail car axle box spring adhesion strength detection auxiliary flexible tooling detected, steps are as follows:
A: the auxiliary flexible tooling that rail car axle box spring adhesion strength detects is fixed on bracket;
B: according to the inner diameter values of journal box spring housing to be detected, position motivation of adjustment mechanism (3) are started by external control system
It drives several support arms (21) along chassis (1) radial synchronizing moving, the inner diameter values of support frame (2) is made to be equal to journal box spring to be detected
The inner diameter values of housing;
C: placing journal box spring to be detected, and the outer of journal box spring to be detected is placed on support arm (21), axle box to be detected
The mandrel of spring protrudes into support frame (2);
D: utilizing vertical pressurizing device, carries out press perpendicular to the mandrel of journal box spring to be detected, judges axle box to be detected
Whether the adhesion strength of spring is qualified.
7. the method for rail car axle box spring adhesion strength detection according to claim 6, it is characterised in that described
Step " C " specifically:
C1: journal box spring to be detected, the jacket bottom of journal box spring to be detected and the ladder at the top of support arm (21) are placed
The horizontal bench face contact of structure (21.2) wherein one layer of step, the housing side of journal box spring to be detected and the circle of this layer of step
Cooperate between arc step surface (21.21) for small―gap suture;
C2: position sensor (5) on each support arm (21) is by the housing side of journal box spring to be detected and arc steps face
(21.21) the clearance distance value between is transferred in external control system;
C3: external control system judges that the placement location of journal box spring to be detected is according to the transmission numerical value of position sensor (5)
No qualification, qualified then continue subsequent detection, otherwise external control system will issue journal box spring placement location to be detected not
Qualified warning note sound prompts operator to treat detection journal box spring and carries out position adjustment, until external control system is sentenced
Break journal box spring to be detected placement location it is qualified.
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CN112097614B (en) * | 2020-09-04 | 2022-10-28 | 株洲时代新材料科技股份有限公司 | Flexible detection tool for coaxiality of shaft box spring |
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