CN109080654A - A method of contact net overhauling train main car frame side bearing plate is positioned with special tooling - Google Patents
A method of contact net overhauling train main car frame side bearing plate is positioned with special tooling Download PDFInfo
- Publication number
- CN109080654A CN109080654A CN201810764733.0A CN201810764733A CN109080654A CN 109080654 A CN109080654 A CN 109080654A CN 201810764733 A CN201810764733 A CN 201810764733A CN 109080654 A CN109080654 A CN 109080654A
- Authority
- CN
- China
- Prior art keywords
- side bearing
- main car
- car frame
- positioning
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 138
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 230000003447 ipsilateral effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 11
- 238000012790 confirmation Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000002459 sustained effect Effects 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 210000002219 extraembryonic membrane Anatomy 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of methods with special tooling positioning contact net overhauling train main car frame side bearing plate, the special tooling is two identical Location Measurement Units, method particularly includes: 8 blocks of side bearing plates are pre-positioned first, on main car frame and tooling is adjusted for two Location Measurement Units are rack-mounted, check the size of 4 positioning pins, meet after dimensional parameters from the erection support that the back side of side bearing plate is fixed on Location Measurement Unit by locking pin and locking nut, point determines side bearing plate and checks the size of 4 positioning pins, side bearing plate is welded again after meeting dimensional parameters, it is checked again for after cooling, meet and removes tooling after dimensional parameters and enter subsequent handling.The present invention solves that the positioning assembling of JJC main car frame side bearing plate is time-consuming, and measurement difficulty is big, and the problem of dimensional accuracy and flatness difference substantially increases the quality of production and efficiency by the improvement to existing JJC main car frame side bearing board positioning method.
Description
Technical field
The present invention relates to a kind of manufacturing technologies of contact net overhauling train, and in particular to a kind of positioned with special tooling contacts
The method of net overhauling train main car frame side bearing plate.
Background technique
A kind of novel JJC type contact net overhauling train produced at present, the main car frame of contact net overhauling train include two
Central sill 11 disposed in parallel, central sill outside is equipped with supporting beam 15, in the front and rear sides of each main car frame, central sill 11 and supporting beam 15
Between be laid with symmetrical mounting bracket respectively, close to one lateral edge main car frame length direction of central sill, side bearing in each mounting bracket
The two sides of beam 18 are set side by side there are two side bearing plate installing frame, and one block of side bearing plate 9, every piece of side bearing are installed in each side bearing plate installing frame
Plate 9 is equipped with a bogie mounting hole 12, it may be assumed that corresponding below 4 pieces of side bearing plates (9-1,9-2,9-3,9-4) of main car frame front
Forecarriage, corresponding installation trailing bogie below 4 blocks of side bearing plates at main car frame rear portion are installed.
Bogie is the important component on contact net overhauling train, has the important function such as load-bearing, power transmission, buffering, guiding,
Technically require the bottom surface of 8 blocks of side bearing plates must be in the bogie mounting hole and bogie peace on sustained height plane, side bearing plate
The positioning pin filled on seat is corresponding, and such main car frame can just fall vehicle and be installed on forward and backward bogie, and the center of gravity of main car frame is complete
The center of bogie is fallen in entirely.
Since every block of side bearing plate on JJC type contact net overhauling train main car frame is all to assemble respectively, assembled error is added
Welding deformation, directly results in bogie mounting hole of the bottom surface of 8 blocks of side bearing plates not on same plane, side bearing plate and bogie is pacified
The problem that bogie positioning pin on dress seat cannot correspond to；Simultaneously as side bearing plate is embedded in side bearing plate installing frame, and 8 pieces of sides
Forward and backward span of the board on main car frame is big, and measurement difficulty is big, cause when site operation measurement have to using level come into
Performing check, but 4 points are at least made a call to using every block of side bearing plate of level, 8 pieces of side bearing plate needs are beaten not less than 32 points, time-consuming to take
Work, difficulty of construction is big, and is extremely difficult to technical requirements, becomes the serious technical and quality bottleneck of puzzlement production.
Summary of the invention
The time-consuming, technology of being extremely difficult to is filled in order to solve the side bearing board group of JJC type contact net overhauling train main car frame to want
The problem of asking, the invention proposes a kind of methods with special tooling positioning contact net overhauling train main car frame side bearing plate.
Inventive concept: in practical entrucking, be first welded on main car frame 8 blocks of side bearing plates, then main car frame is passed through side bearing
Plate falls vehicle in bogie mounting base, and the positioning pin in bogie mounting base passes through the bogie mounting hole on side bearing plate and consolidates
It is fixed；This requires eight blocks of side bearing plates to be located at sustained height plane on main car frame in the installing frame of two sides, i.e. side bearing board bottom face is arrived
The height of plane is consistent on central sill, while the bogie mounting hole on side bearing plate is located at and the positioning pin phase in bogie mounting base
Corresponding position.It in order to meet requirements above, realizes and smoothly falls vehicle, consideration designs a kind of tooling, simulates two bogies to determine
Position side bearing plate, is provided simultaneously with measurement function, to adjust, so that it is guaranteed that installation site of eight blocks of side bearing plates on main car frame can be fallen
Vehicle is on bogie, while the center of gravity of main car frame entirely falls within the center of bogie.
For this purpose, the technical solution of the present invention is as follows:
A method of contact net overhauling train main car frame side bearing plate is positioned with special tooling, it is characterised in that:
Wherein, the structure of special tooling are as follows: including two identical Location Measurement Units, Location Measurement Unit includes two symmetrical
The erection support of setting, a crossbeam, two erection supports are linked together by crossbeam；
The erection support includes upper plate and lower plate disposed in parallel, by being located at two sides between upper plate and lower plate
Vertical plate is welded and fixed to form erection support, in which: vertical plate is perpendicular to upper plate and lower plate, in the length and main car frame of lower plate
The inner cavity of installing frame is adapted；
It is linked together between symmetrically arranged two erection supports by its upper plate and the bottom surface fixation at the crossbeam both ends, it is horizontal
Beam is formed by connecting and is arranged in the vertical direction of vertical plate by two identical square steel tube side-by-sides；
The upper plane at crossbeam both ends is respectively fixed with positioning plate, and the top that two square steel tube sticking parts are located on positioning plate, which is equipped with, determines
Position measures pin hole, and the hole heart line of positioning measurement pin hole constitutes the center line of Location Measurement Unit on two positioning plates, and positioning is surveyed
Positioning measurement pin for measuring size between two Location Measurement Units is installed in amount pin hole；
The lower plate of the erection support is set there are two side bearing plate mounting hole, and two side bearing mounting holes are with positioning measurement pin hole
The vertical line direction of center line centered on upright projection, along Location Measurement Unit extends to two sides to be symmetrical arranged, two installation branch
The hole heart of four side bearing plate mounting holes on seat bottom plate constitutes the vertex at four angles of rectangle, positioning measurement pin on two positioning plates
Middle line on the vertical direction projection composition of the hole heart line in the hole rectangle is wide；
The bottom center of the erection support is equipped with evacuation gap；
The dimensional parameters of Location Measurement Unit are arranged:
Vertical height parameter between the bottom surface of lower plate and the upper plane of upper plate is side bearing board bottom face to central sill lower plane
Right angle setting height parameter；
The hole heart between two side bearing plate mounting holes of lower plate of same erection support is according to being located in main car frame away from parameter
The hole heart of bogie mounting hole on two ipsilateral side bearing plates of beam is away from parameter setting；
The spacing parameter of two opposite vertical plates is two central sills according to main car frame on the inside of symmetrically arranged two erection supports
Lateral surface between spacing parameter be arranged and be equipped with adjustment gap；
The hole heart between positioning measurement pin hole on the positioning plate of crossbeam both ends is away from two central sill two sides that parameter is according to main car frame
The hole heart between bogie mounting hole on opposite side bearing plate is away from parameter setting；
Between four side bearing plate mounting holes on symmetrically arranged two erection support lower plates: opposite two side bearing plates installation
The hole heart between hole is between the bogie mounting hole on the side bearing plate opposite according to two central sill two sides of main car frame away from parameter
The hole heart away from parameter setting, the hole heart of two diagonal side bearing plate mounting holes controls within the scope of error parameter away from its difference；
Under use state, the bottom surface of main car frame is upward, and on the lower plane of two central sills, the erection support of two sides is fallen beam supporting
In the installing frame on the outside of two central sills；
In order to realize tool locating, specific process step are as follows:
Here the length direction of main car frame is defined as longitudinal direction, width direction is defined as transverse direction；
(1) main car frame overturning 180 degree bottom is placed upwardly on fetal membrane, 8 blocks of side bearing plates is placed in the installing frame of main car frame,
There are adjustment gaps between side bearing plate and installing frame；
(2) it is pre-positioned first: first that the crossbeam of described two Location Measurement Units is rack-mounted on two central sills respectively, installation
Support respectively falls in the corresponding side bearing plate installing frame in central sill two sides and is pre-positioned；It is pulled out respectively on main car frame with cotton rope again
The central pull of main car frame laterally and longitudinally；
Then the longitudinal direction to Location Measurement Unit in main car frame positions: prolonging from main car frame transverse center bracing wire to two sides
It stretches, adjustment makes two Location Measurement Units be located at the ipsilateral opposite positioning measurement pin center of central sill to main car frame transverse center bracing wire
Be equidistant, and the center between the forward and backward two ipsilateral positioning measurement pins of main car frame away from the forward and backward ipsilateral side bearing of main car frame
The hole heart for the bogie mounting hole being spaced on plate is identical away from parameter；
Then the transverse direction to Location Measurement Unit in main car frame positions: Location Measurement Unit is rack-mounted in two central sills
On, the positioning measurement pin center that makes same Location Measurement Unit be located at central sill two sides need to be only finely adjusted to main car frame longitudinal center
Line is equidistant；
The center between the diagonal positioning measurement pin of 4 positioning measurement pins to two Location Measurement Units is away from measuring again；
Finally, in error range according to measurement result confirmation, Location Measurement Unit and central sill tack welding are connect；
(3) 8 blocks of side bearing plates are bonded with the lower plate of Location Measurement Unit respectively, make the bogie mounting hole on side bearing plate under
Side bearing plate mounting hole on bottom plate matches, and locking pin is passed through side bearing plate mounting hole from the back side of side bearing plate and bogie is installed
Hole, and locked with locking nut, complete positioning of the bottom surface in sustained height plane of 8 blocks of side bearing plates；
(4) after determining 8 pieces of side bearing plate points, 4 ipsilateral and diagonal sizes of positioning measurement pin are checked whether in error range；
(5) it after confirmation size is errorless, is welded according to corresponding welding procedure；
(6) after weld seam is completely cooling, the size of 4 positioning measurement pins is checked again, and confirmation meets technical requirements；
(7) tooling is removed；
(8) start conventional polishing, ball blast, coating process.
The utility model has the advantages that the present invention passes through main car frame side bearing plate of the special tooling to contact net overhauling train of simulation bogie
Carry out installation positioning, while having the function of measurement, solve JJC type contact net overhauling train main car frame side bearing board group fill it is time-consuming
It takes a lot of work, and measurement difficulty is big, is extremely difficult to the problem of technical requirements, substantially increases JJC type contact net overhauling train main car frame
The quality and efficiency of production.
Specifically there are following three aspects before improving with improved Contrast on effect:
1, work efficiency compares: saving the time of the side bearing plate assembly of JJC type contact net overhauling train main car frame, greatly reduces dress
With difficulty, according to live actual measurement, 1.5 day time (having been shortened to 0.5 day by original 2 days) is totally saved.
2, quality versus: due to using tool locating, the mounting height of 8 blocks of side bearing plates, bogie mounting hole institute are in place
It sets and matches with bogie, vehicle assembly is easier.
3, measurement is convenient: in the past since structure is limited, whether the location dimension of 8 blocks of side bearing plates is unanimously unable to measure, now
By four positioning measurement pins of design as measurement point, the size by measuring 4 positioning measurement pins can be tested easily very much
Demonstrate,prove the location dimension of 8 blocks of side bearing plates；Originally measurement flatness whether in error range when, can only be using beating doing for level
Method, it is time-consuming and laborious, flatness can easily be verified by the gap size of measurement tool base plate and side bearing plate very much now.
Detailed description of the invention
Fig. 1 is the positioning main view of side bearing plate of the invention on main car frame.
Fig. 2 is the bottom view of Fig. 1.
Fig. 3 is A-A direction view in Fig. 2.
Fig. 4 is the enlarged drawing of B in Fig. 2.
Fig. 5 is the main view of special tooling Location Measurement Unit of the invention.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the left view of Fig. 5.
Fig. 8 is that special tooling of the invention installs and uses schematic diagram.
Fig. 9 is C-C direction view in Fig. 8.
It is as shown in the figure: 1, upper plate；2, lower plate；3, vertical plate；4, crossbeam；5, positioning plate；6, positioning measurement pin hole；7, fixed
Position measurement pin；8, side bearing plate mounting hole；9, side bearing plate；10, gap is avoided；11, central sill；12, bogie mounting hole；13, it locks
Pin；14, locking nut；15, supporting beam；16, main car frame transverse center bracing wire；17, main car frame longitudinal center bracing wire；18, side bearing
Beam.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing.In the description of the present invention,
It should be noted that term " center ", "upper", "lower", "left", "right", preceding ", " rear " "vertical", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used for description mesh
, it is not understood to indicate or imply and faces ground importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The present invention is as shown in Figures 1 to 9:
A method of contact net overhauling train main car frame side bearing plate is positioned with special tooling, wherein the structure of special tooling are as follows:
Including two identical Location Measurement Units, Location Measurement Unit includes two symmetrically arranged erection supports, a crossbeam 4,
Two erection supports are linked together by crossbeam 4；
The erection support includes upper plate 1 and lower plate 2 disposed in parallel, by being located at two between upper plate 1 and lower plate 2
The vertical plate 3 of side is welded and fixed to form erection support, in which: vertical plate 3 is perpendicular to upper plate 1 and lower plate 2, the length of lower plate 1
It is adapted with the inner cavity of installing frame on main car frame；
It is linked together between symmetrically arranged two erection supports by its upper plate 1 and the bottom surface fixation at 4 both ends of crossbeam,
Crossbeam 3 is formed by connecting by two identical square steel tube side-by-sides and is arranged in the vertical direction of vertical plate 3；
The upper plane at 4 both ends of crossbeam is respectively fixed with positioning plate 5, is located above two square steel tube sticking parts on positioning plate 5 and sets
There is positioning measurement pin hole 6, the hole line of centres (that is: the sticking part of two square steel tubes) of positioning measurement pin hole 6 on two positioning plates
The cross central line of Location Measurement Unit is constituted, has been connected through a screw thread in positioning measurement pin hole for measuring two positioning measurements
The positioning measurement pin 7 of size between unit, the height of each positioning measurement pin 7 is identical, plane is determined in same plane height thereon
The central axial center identification hole being equipped with for mark location measurement pin center of plane in the measurement pin 7 of position；
Side bearing plate mounting hole 8 there are two setting on the lower plate of the erection support, two side bearing mounting holes 8 are with positioning measurement pin
The vertical line direction of center line centered on the upright projection in hole 7, along Location Measurement Unit extends to two sides to be symmetrical arranged, two peaces
The hole heart for filling four side bearing plate mounting holes (8-1,8-2,8-3,8-4) on base-plate constitutes the vertex at four angles of rectangle；
The bottom center of the erection support is equipped with evacuation gap 10；
For JJC type contact net overhauling train main car frame, the dimensional parameters of Location Measurement Unit are arranged are as follows:
Vertical height parameter between the bottom surface of lower plate 2 and the upper plane of upper plate 1 is that 9 bottom surface of side bearing plate is lower flat to central sill 11
The right angle setting height parameter in face, which is 128 ± 1, and the state modulator on special tooling is in 128 ± 0.2mm；
The hole heart between 2 two side bearing plate mounting holes (8-1 and 8-2,8-3 and 8-4) of lower plate of same erection support is away from parameter
It is the bogie mounting hole on two side bearing plates (9-1 and 9-2,9-3 and 9-4) ipsilateral according to the central sill 11 for being located at main car frame
The hole heart of (12-1 and 12-2,12-3 and 12-4) is away from parameter setting, which is 560 ± 1mm, and the parameter on special tooling
Control is in 560 ± 0.1mm；
The spacing parameter of two opposite vertical plates 3 is two central sills according to main car frame on the inside of symmetrically arranged two erection supports
Spacing parameter between 11 lateral surface is arranged and is equipped with adjustment gap；
The hole heart between positioning measurement pin hole 7 on 4 both ends positioning plate 5 of crossbeam is away from two central sills 11 that parameter is according to main car frame
The hole heart between bogie mounting hole (12-1 and 12-3,12-2 and 12-4) on the opposite side bearing plate 9 in two sides is away from parameter 1956
± 1mm setting, and the state modulator of special tooling is in 1956 ± 0.1mm；
On symmetrically arranged two erection support lower plates 2 in four side bearing plate mounting holes 8: two opposite side bearing plate mounting holes
The hole heart between (8-1 and 8-3,8-2 and 8-4) away from parameter be the side bearing plate opposite according to two 11 two sides of central sill of main car frame
The hole heart between bogie mounting hole (12-1 and 12-3,12-2 and 12-4) on 9 is set away from 1956 ± 1mm of parameter, and dedicated
The state modulator of tooling is in 1956 ± 0.1mm；Hole between two diagonal side bearing plate mounting holes (8-1 and 8-4,8-2 and 8-3)
Foundation of the heart away from its difference is the steering on the diagonal side bearing plate (9-1 and 9-4,9-2 and 9-3) in two 11 two sides of central sill of main car frame
The hole heart between frame mounting hole (12-1 and 12-4,12-2 and 12-3) controls within the scope of 2 mm away from its difference, and special tooling control
System is within the scope of 0.2mm；
The center identification bore dia of plane is in 0.1mm on positioning measurement pin 7；
Under use state, the bottom surface of main car frame is upward, and crossbeam 4 is supported on the lower plane of two central sills 11, the installation branch of two sides
It is located in the installing frame in two central sills, 11 outside.
For the precision for guaranteeing the Location Measurement Unit, using the method for first welding post-processing, the first bottom surface to lower plate 2
(datum level) is processed, it is ensured that the vertical range of datum level to 4 bottom surface of crossbeam is 128 ± 0.20 mm；Then at 4 liang of crossbeam
Positioning measurement pin hole 6 is bored on the positioning plate 5 of side, it is ensured that the hole heart between two positioning measurement pin holes 6 is away from 1956 ± 0.10 mm；
Finally on the basis of the hole heart of positioning measurement pin hole 6, exist along 6 line of positioning measurement pin hole in the vertical line direction that lower plate 2 projects
Symmetrically bore side bearing plate mounting hole 8 in 2 two sides of lower plate, it is ensured that two side bearing plate mounting holes on same lower plate 2 (8-1 and 8-2,
8-3 and 8-4) side bearing plate mounting hole (8-1 and 8-3,8-2 away from 560 ± 0.10 mm, on two opposite lower plates 2 of the hole heart
And 8-4) the hole heart away from the hole heart for 1956 ± 0.10 mm, diagonal side bearing plate mounting hole (8-1 and 8-4,8-2 and 8-3) away from accidentally
Difference is not more than 0.20 mm.
In order to realize tool locating, specific process step are as follows:
Here the length direction of main car frame is defined as longitudinal direction, width direction is defined as transverse direction；
(1) main car frame overturning 180 degree bottom is placed upwardly on fetal membrane, 8 blocks of side bearing plates 9 is placed in the installing frame of main car frame
In, there are adjustment gaps between side bearing plate 9 and installing frame.
(2) it is pre-positioned first: first that the crossbeam 4 of described two Location Measurement Units is rack-mounted in two central sills 11 respectively
On, erection support respectively falls in the corresponding side bearing plate installing frame in 11 two sides of central sill and is pre-positioned；Line is used on main car frame again
Rope pulls out main car frame transverse center bracing wire 16 and main car frame longitudinal center bracing wire 17 respectively, keeps main car frame lateral by anchoring
Central pull 16 is substantially flush with main car frame longitudinal center bracing wire 17 and the upper plane of positioning measurement pin 7, control errors ±
1mm；
Then the longitudinal direction to Location Measurement Unit in main car frame positions: from main car frame transverse center bracing wire 16 to two sides
Extend, adjustment makes two Location Measurement Units be located at the ipsilateral opposite positioning measurement pin (7-1 and 7-3,7-2 and 7-4) of central sill 11
Center is equidistant to main car frame transverse center bracing wire, and main car frame forward and backward ipsilateral two positioning measurement pins (7-1 and 7-
3,7-2 and 7-4) between center away from the hole heart with the bogie mounting hole being spaced on the forward and backward ipsilateral side bearing plate of main car frame away from ginseng
Number is identical, which is 10500 ± 2mm；Specific method of adjustment are as follows: the main car frame transverse center bracing wire 16 pulled out with cotton rope is symmetrical
Extend to two sides, with 15 meters of tape measure main car frame transverse center bracing wires 16 to the center identification hole of plane on positioning measurement pin 7
The distance between whether be the bogie mounting hole being spaced on the forward and backward ipsilateral side bearing plate of main car frame the hole heart away from the half of parameter,
If exceeding error range, the square tube close to 7 side of positioning measurement pin is just gently tapped with hand hammer and is adjusted, determine until 4
The distance of center identification hole to the main car frame transverse center bracing wire of plane is all met the size requirements in the measurement pin 7 of position；
Then the transverse direction to Location Measurement Unit in main car frame positions: Location Measurement Unit is rack-mounted in two central sills
On 11, only need to be finely adjusted so that same Location Measurement Unit is located at 11 two sides of central sill positioning measurement pin (7-1 and 7-2,7-3 and
Center identification hole being equidistant to the bracing wire of main car frame longitudinal center of plane on 7-4) is the half of 1956 ± 1mm of parameter；Tool
Body method of adjustment are as follows: mark the positioning vertical with the line at the midpoint of two positioning measurement hole lines of Location Measurement Unit and survey
The scribing line of unit longitudinal center is measured, is adjusted in the scribing line of Location Measurement Unit longitudinal center and the main car frame longitudinal direction in special tooling square tube
Heart bracing wire 17 is overlapped, if exceeding error range, just gently tapped with hand hammer the square tube head of close 7 side of positioning measurement pin into
Row adjustment, until 2 center lines are overlapped, then again with 15 meters of tape measure main car frame longitudinal center bracing wires 17 to positioning measurement pin
The distance in the center identification hole of plane is checked on 7, confirms that same Location Measurement Unit is located at the positioning survey of 11 two sides of central sill
Measure center identification hole being equidistant to the bracing wire of main car frame longitudinal center of plane on pin 7；
Again to positioning measurement pin (7- diagonal in 4 positioning measurement pins (7-1,7-2,7-3,7-4) of two Location Measurement Units
1 and 7-4,7-2 and 7-3) between center away from measuring, diagonal center controls within 5mm away from its difference, if exceeded
5mm, specific method of adjustment are as follows: diagonal positioning in 4 positioning measurement pins 7 with 15 meters of tape measures, two Location Measurement Units
Distance between the center identification hole of plane in measurement pin 7, then according to long past 16 direction of main car frame cross central line, short past
The principle of 16 liang of side directions of main car frame cross central line adjustment, the square tube close to 7 side of positioning measurement pin is gently tapped with hand hammer
It is adjusted, until distance difference between the center identification hole of plane on positioning measurement pin 7 diagonal in 4 positioning measurement pins 7
It meets the size requirements；
Finally, being adjusted accordingly according to measurement result and controlling each relevant parameter in error range, Location Measurement Unit
It is connect with 11 tack welding of central sill.
(3) 8 blocks of side bearing plates 9 are bonded with the lower plate of Location Measurement Unit 2 respectively, pacify the bogie on side bearing plate 9
Dress hole 12 is matched with the side bearing plate mounting hole 8 on lower plate 2, is pacified from the back side of side bearing plate 9 by locking pin 13 across side bearing plate
Hole 8 and bogie mounting hole 12 are filled, and is locked with locking nut 14, completes the bottom surface of 8 blocks of side bearing plates 9 in sustained height plane
Positioning, and flatness error is controlled within 4mm.
(4) after determining at 8 blocks 9 points of side bearing plate, 4 positioning measurement pins 7 is checked and are located at the ipsilateral positioning measurement pin (7-1 of central sill
Whether in error range with the size of 7-3,7-2 and 7-4) and diagonal positioning measurement pin (7-1 and 7-4,7-2 and 7-3).
(5) it after confirmation size is errorless, is welded according to corresponding welding procedure.
(6) after weld seam is completely cooling, the size of 4 positioning measurement pins 7 is checked again, and confirmation meets technical requirements.
(7) tooling is removed.
(8) start conventional polishing, ball blast, coating process.
Specifically there are following three aspects before improving with improved Contrast on effect:
1, work efficiency compares: saving the time of the side bearing plate assembly of JJC type contact net overhauling train main car frame, greatly reduces dress
With difficulty, according to live actual measurement, 1.5 day time (having been shortened to 0.5 day by original 2 days) is totally saved.
2, quality versus: due to using tool locating, the mounting height of 8 blocks of side bearing plates, bogie mounting hole institute are in place
It sets and matches with bogie, 8 main car frames of trial-production all realize light entrucking in main engine plants, disposably pass through examination.
3, measurement is convenient: in the past since structure is limited, whether the location dimension of 8 blocks of side bearing plates is unanimously unable to measure, now
By four positioning measurement pins of design as measurement point, the size by measuring 4 positioning measurement pins can be tested easily very much
Demonstrate,prove the location dimension of 8 blocks of side bearing plates；Originally measurement flatness whether in error range when, can only be using beating doing for level
Method, it is time-consuming and laborious, flatness can easily be verified by the gap size of measurement tool base plate and side bearing plate very much now.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (1)
1. a kind of method with special tooling positioning contact net overhauling train main car frame side bearing plate, it is characterised in that:
Wherein, the structure of special tooling are as follows: including two identical Location Measurement Units, Location Measurement Unit includes two symmetrical
The erection support of setting, a crossbeam, two erection supports are linked together by crossbeam；
The erection support includes upper plate and lower plate disposed in parallel, by being located at two sides between upper plate and lower plate
Vertical plate is welded and fixed to form erection support, in which: vertical plate is perpendicular to upper plate and lower plate, in the length and main car frame of lower plate
The inner cavity of installing frame is adapted；
It is linked together between symmetrically arranged two erection supports by its upper plate and the bottom surface fixation at the crossbeam both ends, it is horizontal
Beam is formed by connecting and is arranged in the vertical direction of vertical plate by two identical square steel tube side-by-sides；
The upper plane at crossbeam both ends is respectively fixed with positioning plate, and the top that two square steel tube sticking parts are located on positioning plate, which is equipped with, determines
Position measures pin hole, and the hole heart line of positioning measurement pin hole constitutes the center line of Location Measurement Unit on two positioning plates, and positioning is surveyed
Positioning measurement pin for measuring size between two Location Measurement Units is installed in amount pin hole；
The lower plate of the erection support is set there are two side bearing plate mounting hole, and two side bearing mounting holes are with positioning measurement pin hole
The vertical line direction of center line centered on upright projection, along Location Measurement Unit extends to two sides to be symmetrical arranged, two installation branch
The hole heart of four side bearing plate mounting holes on seat bottom plate constitutes the vertex at four angles of rectangle, positioning measurement pin on two positioning plates
The vertical direction projection of the hole heart line in hole constitutes the middle line on the rectangular width；
The bottom center of the erection support is equipped with evacuation gap；
The dimensional parameters of Location Measurement Unit are arranged:
Vertical height parameter between the bottom surface of lower plate and the upper plane of upper plate is side bearing board bottom face to central sill lower plane
Right angle setting height parameter；
The hole heart between two side bearing plate mounting holes of lower plate of same erection support is according to being located in main car frame away from parameter
The hole heart of bogie mounting hole on two ipsilateral side bearing plates of beam is away from parameter setting；
The spacing parameter of two opposite vertical plates is two central sills according to main car frame on the inside of symmetrically arranged two erection supports
Lateral surface between spacing parameter be arranged and be equipped with adjustment gap；
The hole heart between positioning measurement pin hole on the positioning plate of crossbeam both ends is away from two central sill two sides that parameter is according to main car frame
The hole heart between bogie mounting hole on opposite side bearing plate is away from parameter setting；
Between four side bearing plate mounting holes on symmetrically arranged two erection support lower plates: opposite two side bearing plates installation
The hole heart between hole is between the bogie mounting hole on the side bearing plate opposite according to two central sill two sides of main car frame away from parameter
The hole heart away from parameter setting, the hole heart of two diagonal side bearing plate mounting holes controls within the scope of error parameter away from its difference；
Under use state, the bottom surface of main car frame is upward, and on the lower plane of two central sills, the erection support of two sides is fallen beam supporting
In the installing frame on the outside of two central sills；
In order to realize tool locating, specific process step are as follows:
Here the length direction of main car frame is defined as longitudinal direction, width direction is defined as transverse direction；
(1) main car frame overturning 180 degree bottom is placed upwardly on fetal membrane, 8 blocks of side bearing plates is placed in the installing frame of main car frame,
There are adjustment gaps between side bearing plate and installing frame；
(2) it is pre-positioned first: first that the crossbeam of described two Location Measurement Units is rack-mounted on two central sills respectively, installation
Support respectively falls in the corresponding side bearing plate installing frame in central sill two sides and is pre-positioned；It is pulled out respectively on main car frame with cotton rope again
The central pull of main car frame laterally and longitudinally；
Then the longitudinal direction to Location Measurement Unit in main car frame positions: prolonging from main car frame transverse center bracing wire to two sides
It stretches, adjustment makes two Location Measurement Units be located at the ipsilateral opposite positioning measurement pin center of central sill to main car frame transverse center bracing wire
Be equidistant, and the center between the forward and backward two ipsilateral positioning measurement pins of main car frame away from the forward and backward ipsilateral side bearing of main car frame
The hole heart for the bogie mounting hole being spaced on plate is identical away from parameter；
Then the transverse direction to Location Measurement Unit in main car frame positions: Location Measurement Unit is rack-mounted in two central sills
On, the positioning measurement pin center that makes same Location Measurement Unit be located at central sill two sides need to be only finely adjusted to main car frame longitudinal center
Bracing wire is equidistant；
The center between the diagonal positioning measurement pin of 4 positioning measurement pins to two Location Measurement Units is away from measuring again；
Finally, in error range according to measurement result confirmation, Location Measurement Unit and central sill tack welding are connect；
(3) 8 blocks of side bearing plates are bonded with the lower plate of Location Measurement Unit respectively, make the bogie mounting hole on side bearing plate under
Side bearing plate mounting hole on bottom plate matches, and locking pin is passed through side bearing plate mounting hole from the back side of side bearing plate and bogie is installed
Hole, and locked with locking nut, complete positioning of the bottom surface in sustained height plane of 8 blocks of side bearing plates；
(4) after determining 8 pieces of side bearing plate points, 4 ipsilateral and diagonal sizes of positioning measurement pin are checked whether in error range；
(5) it after confirmation size is errorless, is welded according to corresponding welding procedure；
(6) after weld seam is completely cooling, the size of 4 positioning measurement pins is checked again, and confirmation meets technical requirements；
(7) tooling is removed；
(8) start conventional polishing, ball blast, coating process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764733.0A CN109080654B (en) | 2018-07-12 | 2018-07-12 | A method of contact net overhauling train main car frame side bearing plate is positioned with special tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764733.0A CN109080654B (en) | 2018-07-12 | 2018-07-12 | A method of contact net overhauling train main car frame side bearing plate is positioned with special tooling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109080654A true CN109080654A (en) | 2018-12-25 |
| CN109080654B CN109080654B (en) | 2019-08-23 |
Family
ID=64837729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810764733.0A Active CN109080654B (en) | 2018-07-12 | 2018-07-12 | A method of contact net overhauling train main car frame side bearing plate is positioned with special tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109080654B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011218894A (en) * | 2010-04-06 | 2011-11-04 | Toyo Tire & Rubber Co Ltd | Stopper device for rolling stock |
| CN104889651A (en) * | 2015-06-23 | 2015-09-09 | 南车戚墅堰机车有限公司 | Locomotive guide flange location tooling |
| CN205520656U (en) * | 2016-02-15 | 2016-08-31 | 邢台中车环保科技有限公司 | Railway freight car side bearing body roof automatic positioning device |
| CN106425235A (en) * | 2016-11-29 | 2017-02-22 | 中车长江车辆有限公司 | Assembly device and assembly method for wagon side bearing assembly |
-
2018
- 2018-07-12 CN CN201810764733.0A patent/CN109080654B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011218894A (en) * | 2010-04-06 | 2011-11-04 | Toyo Tire & Rubber Co Ltd | Stopper device for rolling stock |
| CN104889651A (en) * | 2015-06-23 | 2015-09-09 | 南车戚墅堰机车有限公司 | Locomotive guide flange location tooling |
| CN205520656U (en) * | 2016-02-15 | 2016-08-31 | 邢台中车环保科技有限公司 | Railway freight car side bearing body roof automatic positioning device |
| CN106425235A (en) * | 2016-11-29 | 2017-02-22 | 中车长江车辆有限公司 | Assembly device and assembly method for wagon side bearing assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109080654B (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102268851B (en) | Ballastless track construction device and construction method thereof | |
| CN108914782A (en) | A kind of large size open web type highway steel box girder stayed-cable bridge manufacturing method | |
| CN204298720U (en) | A kind of concrete box girder being provided with cable guide pipe positioner | |
| CN103321152A (en) | Telescopic truss crossbeam and manufacture method thereof | |
| WO2019000752A1 (en) | Method for installing foundation beams of cabin storage system | |
| CN106001471B (en) | Crystallizer is to arc device and to arc method | |
| CN107859037A (en) | The installation detent mechanism and method of a kind of large-scale embedded parts anchor structure | |
| CN210588970U (en) | Assembly positioning device | |
| CN107014306A (en) | Fame dimensions deformation and the measurement apparatus and measuring method of sensor health status | |
| CN109080654B (en) | A method of contact net overhauling train main car frame side bearing plate is positioned with special tooling | |
| CN205445093U (en) | Buried bolt device in advance | |
| CN208358114U (en) | A kind of side bearing plate of contact net overhauling train main car frame is welded positioning fixture | |
| CN207344048U (en) | All-loading coach vehicle frame always spells mould | |
| CN111231076A (en) | Template device for cushion stone | |
| CN102518045A (en) | Arch rib embedded section installing and positioning support and adjusting and positioning method thereof | |
| CN105113418B (en) | A kind of bearing pad stone construction lofting method | |
| CN115890101B (en) | A welding tool and welding positioning method | |
| CN219034095U (en) | A bolt group positioning formwork system | |
| JP2004300888A (en) | Irregularity correcting tool for steel-frame column | |
| CN207110505U (en) | A kind of pinpoint beam device of prefabricated components built-in fitting | |
| CN217913467U (en) | Mortise and tenon type laser cutting machine tool body | |
| CN104589040B (en) | T-shaped guide rail mounting tool for elevator | |
| CN112304651B (en) | Track beam static load test bed and construction method thereof | |
| CN109916617A (en) | Method for manufacturing reaction wall and device for adjusting loading hole unit | |
| CN213197419U (en) | Auxiliary assembly fixture that maglev train crossbeam is constituteed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |