CN105382520A - Wheel set dismantlement press-fit machine for rail transit rolling stock - Google Patents
Wheel set dismantlement press-fit machine for rail transit rolling stock Download PDFInfo
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- CN105382520A CN105382520A CN201511001251.2A CN201511001251A CN105382520A CN 105382520 A CN105382520 A CN 105382520A CN 201511001251 A CN201511001251 A CN 201511001251A CN 105382520 A CN105382520 A CN 105382520A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/021—Railroad wheels on axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/006—Holding or positioning the article in front of the applying tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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Abstract
The invention discloses a wheel set dismantlement press-fit machine for a rail transit rolling stock. The machine comprises a machine base, a machine frame, a wheel axle positioning telescoping mechanism, a wheel clamping driving mechanism and a wheel clamping mechanism, wherein the machine frame is installed on the machine base, the wheel axle positioning telescoping mechanism is installed on the machine frame to be used for clamping and moving a wheel axle of a wheel set to be subjected to dismantlement press-fitting, the wheel clamping driving mechanism is installed on the machine frame to be used for driving the wheel clamping mechanism to move in the axial direction, and the wheel clamping mechanism is connected with the wheel clamping driving mechanism to be used for clamping wheels of the wheel set to be subjected to dismantlement press-fitting. The machine has the advantages that the structure is simple, operation and use are convenient, dismantlement press-fitting of two wheel sets can be conducted independently or simultaneously, automatic feeding and discharging of wheel sets can be achieved, the labor intensity of workers can be relieved, and wheel set dismantlement time can be shortened; besides, force is applied to a shaft body rather than a shaft end during dismantlement, so that heading and damaging of the shaft end is effectively avoided during dismantlement.
Description
Technical field
The present invention relates to wheel to decomposition technique field, particularly a kind of based on track traffic, decomposition pressure installation that particularly passenger-cargo wheel is right.
Background technology
The passenger-cargo wheel produced both at home and abroad is at present to decomposition press-loading device, its decomposition technique is large most, baffle plate is used to block wheel end face, ram cylinder piston rod front end face contacts with axle end face, under the effect of hydraulic coupling, cylinder piston rod promotion axletree moves, wheel cake is motionless, and axletree wheel seat extrudes wheel bore, and wheel can only decompose by carrying out one by one.Wherein, axletree material for 50# steel, material extrusion stress ≯ 150MPa, axle head diameter
when piston rod front end face completely contacts with axle end face, pressure 1600MPa can only be born by calculating axletree end, each producer is far longer than 1600MPa at wheel to decomposing force usually actual during decomposition, sometimes 3000MPa is reached, axle head bears extrusion stress > 150MPa-266MPa, axle head pier is slightly serious, axle head size pier is slightly at about 0.05 ~ 0.30mm, axle head metallographic structure destroys defects such as cracking, cause axletree to reprocess and scrap, each producer is when taking turns decomposition for many years, the thick phenomenon of axle head pier can not get good solution, particularly China's freight car wheel set maintenance amount is large, producer took turns resolving time beat at 5 ~ 8 minutes, operating worker labour intensity is large, to be decomposedly take turns lifting up into lathe, wheel after decomposition is to hanging out, overhead traveling crane lifting frequency is hurried, work intensity is higher, and disintegrant measures less than effective guarantee.
Summary of the invention
The wheel that technical problem to be solved by this invention is to provide a kind of rail transit rolling stock is installed to decomposition pressure, effectively solve prior art for passenger-cargo wheel to decomposition time, it is larger that axle head bears extrusion stress, axle head pier is slightly serious, axle head metallographic structure destroys and cracks, work intensity is higher, and disintegrant measures the problem less than effective guarantee.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of wheel of rail transit rolling stock is installed to decomposition pressure, comprise support, frame, wheel shaft location telescoping mechanism, wheel clamp driving mechanism and wheel clamping mechanism, and above-mentioned frame is arranged on support; Above-mentioned wheel shaft location telescoping mechanism is arranged in above-mentioned frame, for clamping and moving the right wheel shaft of the wheel press-fited to be decomposed; Above-mentioned wheel clamps driving mechanism and is arranged in above-mentioned frame, moves axially for driving above-mentioned wheel clamping mechanism; Above-mentioned wheel clamping mechanism clamps driving mechanism with above-mentioned wheel and is connected, for clamping the right wheel of the wheel press-fited to be decomposed.
The invention has the beneficial effects as follows: structure is simple, easy to use, easy for operation, wheel is placed in wheel clamping mechanism to the wheel of part, effectively alleviates operating worker labour intensity, and shortens wheel to resolving time beat, in addition, during decomposition, the axle head axle body that do not stress is stressed, the thick phenomenon of axle head pier and damage when effectively avoiding decomposition.
Further, above-mentioned axle allocation mechanism of taking turns comprises two the first fluid pressure drive devices being symmetricly set on above-mentioned frame both sides, the free end of this first fluid pressure drive device is provided with the above-mentioned wheel of hydroelastic system thimble and clamps driving mechanism and comprise two the second fluid pressure drive devices being symmetricly set on above-mentioned frame both sides, and the free end of this second fluid pressure drive device connects with corresponding wheel clamping mechanism.
Adopt the beneficial effect of above-mentioned further scheme to be can realize both sides synchronous press mounting to decompose, shorten the process that wheelset fitting decomposes, operating efficiency is higher.
Further, above-mentioned first fluid pressure drive device of any side and above-mentioned second fluid pressure drive device integrated formation ram cylinder assembly in above-mentioned frame.
Further, above-mentioned ram cylinder assembly also comprises cylinder body, above-mentioned cylinder interior has the first oil pocket and the second oil pocket, above-mentioned first fluid pressure drive device and the second fluid pressure drive device respectively correspondence are arranged in the first oil pocket and the second oil pocket, above-mentioned first fluid pressure drive device and the second fluid pressure drive device can move left and right along the chamber wall of the first oil pocket of correspondence and the second oil pocket respectively, above-mentioned first fluid pressure drive device and the second fluid pressure drive device are coaxially arranged, above-mentioned second fluid pressure drive device free end stretches out cylinder body outside one end of wheel clamping mechanism, and connect the wheel clamping mechanism corresponding with it, the Telescopic path running through it is vertically had in above-mentioned second fluid pressure drive device, above-mentioned first fluid pressure drive device free end stretches in this Telescopic path, and can move along Telescopic path inwall, and can stretch in wheel clamping mechanism.
Adopt the beneficial effect of above-mentioned further scheme to be that the first fluid pressure drive device and above-mentioned second fluid pressure drive device realize integrated setting, and coaxially arrange, structure is simpler, and volume is little, easy to use, drives more flexible.
Further, above-mentioned cylinder body comprises hydraulic tailstock cylinder sleeve and ram cylinder cylinder sleeve, above-mentioned ram cylinder cylinder sleeve is arranged on frame side, above-mentioned hydraulic tailstock cylinder sleeve is positioned at outside above-mentioned frame, and coaxially arrange with above-mentioned ram cylinder cylinder sleeve, and connect above-mentioned ram cylinder cylinder sleeve, form the first oil pocket in above-mentioned hydraulic tailstock cylinder sleeve, in above-mentioned ram cylinder cylinder sleeve, form the second oil pocket.
The beneficial effect of above-mentioned further scheme is adopted to be that tank design is reasonable, compact conformation.
Further, above-mentioned first fluid pressure drive device comprises push-rod piston and coupled hydraulic push rod, above-mentioned push-rod piston is positioned at above-mentioned first oil pocket, above-mentioned hydraulic push rod free end passes the second oil pocket and extends in the Telescopic path of the second fluid pressure drive device, and above-mentioned hydroelastic system thimble is arranged on this end termination.
Adopt the beneficial effect of above-mentioned further scheme to be that the first fluid pressure drive device structure is simple, convenient for production, assemble easy.
Further, above-mentioned second fluid pressure drive device comprises main piston and coupled main piston pole socket, above-mentioned main piston is positioned at above-mentioned second oil pocket, above-mentioned main piston pole socket free end is through above-mentioned ram cylinder cylinder sleeve one end away from hydraulic tailstock cylinder sleeve, and connect with corresponding wheel clamping mechanism, above-mentioned Telescopic path is located in main piston pole socket, and runs through main piston pole socket vertically.
Adopt the beneficial effect of above-mentioned further scheme to be that the second fluid pressure drive device structure is simple, convenient for production, assemble easy.
Further, above-mentioned wheel clamping mechanism comprises and clamps pedestal and connecting portion, above-mentioned connecting portion is connected and fixed with the free end of corresponding main piston pole socket, the above-mentioned side opening clamping pedestal and deviate from frame, and its inside has the wheel clamping mechanism vertically arranged, in above-mentioned wheel clamping mechanism, the wheel shaft movable passageway clamping pedestal and connecting portion is run through about laterally having in middle part, above-mentioned wheel shaft movable passageway and above-mentioned first fluid pressure drive device are coaxially arranged, above-mentioned second fluid pressure drive device free end deviates from connecting portion the end face clamping pedestal and is fixedly connected with, above-mentioned first fluid pressure drive device free end can stretch to wheel shaft movable passageway.
The beneficial effect adopting above-mentioned further scheme is the integral installation being convenient to wheel clamping mechanism, is convenient to clamping wheel to part.
Further, the above-mentioned brake disc being also provided with vertically setting that clamps in pedestal clamps position, chamber, above-mentioned brake disc clamps position, chamber and wheel clamping mechanism side by side and coaxially arrange, above-mentioned brake disc clamps position, chamber and is positioned at the opposite side that wheel clamping mechanism deviates from connecting portion, above-mentioned brake disc clamps between position, chamber and wheel clamping mechanism and is provided with catch, and above-mentioned wheel shaft moves logical left and right and runs through this catch.
Adopt the beneficial effect of above-mentioned further scheme be can realize wheel and brake disc synchronously press-fit decomposition, simplified processing process, effectively cost-saving.
Further, above-mentioned frame both sides are respectively equipped with protective cover, and above-mentioned protective cover covers and its above-mentioned hydraulic tailstock cylinder sleeve one to one.
The beneficial effect of above-mentioned further scheme is adopted to be carry out dust-proof to external hydraulic tailstock cylinder sleeve, anti-pollution, ensure that the operation of whole ram cylinder assembly is smooth and easy, be convenient to later stage cleaning and safeguard.
Further, the bottom of above-mentioned frame entablature is horizontally installed with slide rail along frame height direction, the both sides of above-mentioned slide rail are slidably fitted with respectively above-mentioned wheel clamping mechanism two groups of above-mentioned slide blocks one to one with two, the top of two above-mentioned wheel clamping mechanisms connects respectively often organizes above-mentioned slide block one to one with it.
Adopt the beneficial effect of above-mentioned further scheme to be that auxiliary wheel clamping mechanism runs, make it that position skew can not occur on neutral direction, ensure the quality of wheel to processing.
Further, above-mentioned slide rail has two, and be separately positioned on its one to one above-mentioned wheel clamping mechanism above the bottom of frame entablature, often organize above-mentioned slide block and be slidably mounted on respectively on every bar slide rail corresponding with it, and connect the top of the above-mentioned wheel clamping mechanism corresponding with it.
Adopt the beneficial effect of above-mentioned further scheme to be make wheel clamping mechanism and corresponding sliding track mechanism corresponding matching, shorten the track length that independent slide rail relates to, save cost, use comparatively flexible, can be used alone.
Further, the upper and lower crossbeam of above-mentioned frame is respectively equipped with the block seat for the movement of limiting wheel clamping mechanism that two pairs of upper and lower correspondings are arranged, bottom the entablature that the above-mentioned block seat of often pair of upper and lower setting is arranged on frame respectively and on sill top, and lay respectively at the side of the above-mentioned wheel clamping mechanism corresponding with it away from ram cylinder assembly.
Adopt the beneficial effect of above-mentioned further scheme be prevent wheel clamping mechanism because external force is excessive axial displacement generation relatively large deviation, avoid ram cylinder assembly therefore to damage.
Further, be also provided with feeding double track bottom above-mentioned frame, above-mentioned feeding double track is vertical with frame to be arranged, and stretches in above-mentioned frame, and above-mentioned feeding double track is slidably fitted with wheel to lifting mechanism, above-mentioned wheel can be slided along feeding double track to lifting mechanism.
The beneficial effect adopting above-mentioned further scheme facilitates feeding, and assembly wheel, to part, reduces labour intensity.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view that the wheel of rail transit rolling stock of the present invention is installed to decomposition pressure;
Fig. 2 is the side view that the wheel of rail transit rolling stock of the present invention is installed to decomposition pressure;
Fig. 3 is part A enlarged drawing in Fig. 1;
Fig. 4 is the using state schematic diagram that the wheel of rail transit rolling stock of the present invention is installed to decomposition pressure.
In accompanying drawing, the list of parts representated by each label is as follows:
1, support, 2, frame, 3, ram cylinder assembly, 4, wheel clamping mechanism, 5, protective cover, 6, block seat, 7, feeding double track, 8, wheel is to lifting mechanism, 21, slide rail, 22, slide block, 31, cylinder body, 32, push-rod piston, 33, hydraulic push rod, 34, main piston, 35, main piston pole socket, 36, hydroelastic system thimble, 41, clamp pedestal, 42, connecting portion, 311, hydraulic tailstock cylinder sleeve, 312, ram cylinder cylinder sleeve, 313, first oil pocket, 314, second oil pocket, 411, wheel clamping mechanism, 412, wheel shaft movable passageway, 413, brake disc clamps position, chamber, 414, catch.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment: as shown in Figures 1 to 4, the wheel of the rail transit rolling stock of the present embodiment comprises support 1 to decomposition pressure installation, frame 2, wheel shaft location telescoping mechanism, wheel clamp driving mechanism and wheel clamping mechanism 4, and above-mentioned frame 2 is arranged on support 1; Above-mentioned wheel shaft location telescoping mechanism is arranged in above-mentioned frame 2, for clamping and moving the right wheel shaft of the wheel press-fited to be decomposed; Above-mentioned wheel clamps driving mechanism and is arranged in above-mentioned frame 2, moves axially for driving above-mentioned wheel clamping mechanism 4; Above-mentioned wheel clamping mechanism 4 clamps driving mechanism with above-mentioned wheel and is connected, for clamping the right wheel of the wheel press-fited to be decomposed.
Preferably, above-mentioned axle allocation mechanism of taking turns comprises two the first fluid pressure drive devices being symmetricly set on above-mentioned frame 2 both sides, the free end of this first fluid pressure drive device is provided with the above-mentioned wheel of hydroelastic system thimble 36 and clamps driving mechanism and comprise two the second fluid pressure drive devices being symmetricly set on above-mentioned frame 2 both sides, the free end of this second fluid pressure drive device connects with corresponding wheel clamping mechanism 4, can realize decomposing in complete machine both sides press-fiting simultaneously.
As shown in Figure 1, in certain embodiments, above-mentioned first fluid pressure drive device of any side and above-mentioned second fluid pressure drive device integrated formation ram cylinder assembly 3 in above-mentioned frame 2.
Above-mentioned ram cylinder assembly 3 also comprises cylinder body 31, above-mentioned cylinder body 31 inside has the first oil pocket 313 and the second oil pocket 314, above-mentioned first fluid pressure drive device and the second fluid pressure drive device respectively correspondence are arranged in the first oil pocket 313 and the second oil pocket 314, above-mentioned first fluid pressure drive device and the second fluid pressure drive device can move left and right along the chamber wall of the first oil pocket 313 of correspondence and the second oil pocket 314 respectively, above-mentioned first fluid pressure drive device and the second fluid pressure drive device are coaxially arranged, above-mentioned second fluid pressure drive device free end stretches out cylinder body 31 outside one end of wheel clamping mechanism 4, and connect the wheel clamping mechanism 4 corresponding with it, the Telescopic path running through it is vertically had in above-mentioned second fluid pressure drive device, above-mentioned first fluid pressure drive device free end stretches in this Telescopic path, and can move along Telescopic path inwall, and can stretch in wheel clamping mechanism 4.
Above-mentioned cylinder body 31 comprises hydraulic tailstock cylinder sleeve 311 and ram cylinder cylinder sleeve 312, above-mentioned ram cylinder cylinder sleeve 312 is arranged on frame 2 side, above-mentioned hydraulic tailstock cylinder sleeve 311 is positioned at outside above-mentioned frame 2, and coaxially arrange with above-mentioned ram cylinder cylinder sleeve 312, and connect above-mentioned ram cylinder cylinder sleeve 312, form the first oil pocket 313 in above-mentioned hydraulic tailstock cylinder sleeve 311, in above-mentioned ram cylinder cylinder sleeve 312, form the second oil pocket 314.
Above-mentioned first fluid pressure drive device comprises push-rod piston 32 and coupled hydraulic push rod 33, above-mentioned push-rod piston 32 is positioned at above-mentioned first oil pocket 313, above-mentioned hydraulic push rod 33 free end passes the second oil pocket 314 and extends in the Telescopic path of the second fluid pressure drive device, and above-mentioned hydroelastic system thimble 36 is arranged on this end termination.
Above-mentioned second fluid pressure drive device comprises main piston 34 and coupled main piston pole socket 35, above-mentioned main piston 34 is positioned at above-mentioned second oil pocket 314, above-mentioned main piston pole socket 35 free end is through above-mentioned ram cylinder cylinder sleeve 312 one end away from hydraulic tailstock cylinder sleeve 311, and connect with corresponding wheel clamping mechanism 4, above-mentioned Telescopic path is located in main piston pole socket 35, and runs through main piston pole socket 35 vertically.
In certain embodiments, above-mentioned first fluid pressure drive device and above-mentioned second fluid pressure drive device can disperse separately to be integrated in the ram cylinder corresponding with self, realize driving alone, also can be arranged side by side be integrated in same ram cylinder, form independent driver element, realize independent driving, type of drive is comparatively flexible.
Above-mentioned wheel clamping mechanism 4 comprises and clamps pedestal 41 and connecting portion 42, above-mentioned connecting portion 42 is connected and fixed with the free end of corresponding main piston pole socket 35, the above-mentioned side opening (front side namely shown in Fig. 2) clamping pedestal 41 and deviate from frame 2, and the wheel that its inside has vertically setting clamps position, chamber 411, in above-mentioned wheel clamping mechanism 4, the wheel shaft movable passageway 412 clamping pedestal 41 and connecting portion 42 is run through about laterally having in middle part, above-mentioned wheel shaft movable passageway 412 is coaxially arranged with above-mentioned first fluid pressure drive device, above-mentioned second fluid pressure drive device free end deviates from connecting portion 42 end face clamping pedestal 41 and is fixedly connected with, above-mentioned first fluid pressure drive device free end can stretch to wheel shaft movable passageway 412.
In certain embodiments, wheel clamping mechanism 4 can integrated setting, multiple difform structure can be set to, and its inside all has wheel clamps position, chamber 411 and axially and laterally run through the wheel shaft movable passageway 412 that this wheel clamps position, chamber 411, in addition, the one or both sides that wheel clamping mechanism 4 can be arranged on frame 1 all have, realize one or both sides to clamp individually or simultaneously, in addition, equal opening on front side of wheel clamping mechanism 4, be convenient to take turns to part charging clamp.
As shown in Figure 3, in certain embodiments, the above-mentioned brake disc being also provided with vertically setting that clamps in pedestal 41 clamps position, chamber 413, above-mentioned brake disc clamps position, chamber 413 and wheel clamping mechanism 411 side by side and coaxially arrange, above-mentioned brake disc clamps position, chamber 413 and is positioned at the opposite side that wheel clamping mechanism 411 deviates from connecting portion 42, above-mentioned brake disc clamps between position, chamber 413 and wheel clamping mechanism 411 and is provided with catch 414, above-mentioned wheel shaft movable passageway about 412 runs through the above-mentioned brake disc being also provided with vertically setting that clamps in pedestal 41 of this catch 414 and clamps position, chamber 413, above-mentioned brake disc clamps position, chamber 413 and wheel clamping mechanism 411 side by side and coaxially arrange, above-mentioned brake disc clamps position, chamber 413 and is positioned at the opposite side that wheel clamping mechanism 411 deviates from connecting portion 42, above-mentioned brake disc clamps between position, chamber 413 and wheel clamping mechanism 411 and is provided with catch 414, above-mentioned wheel shaft movable passageway about 412 runs through this catch 414, be convenient to realize synchronously clamping of brake disc and wheel, and then realize press-fiting synchronous decomposition, improve wheel to decomposing the efficiency press-fited.
As shown in figs. 1 and 4, in certain embodiments, above-mentioned frame 2 both sides are respectively equipped with protective cover 5, above-mentioned protective cover 5 can be set to network structure or grid, above-mentioned protective cover 5 covers and its above-mentioned hydraulic tailstock cylinder sleeve 311 one to one, improve the safety coefficient of complete machine, prevent the attachments such as dust, be convenient to safeguard.
The bottom of above-mentioned frame 2 entablature is horizontally installed with slide rail 21 along frame 2 height direction, the both sides of above-mentioned slide rail 21 are slidably fitted with respectively above-mentioned wheel clamping mechanism 4 two groups of above-mentioned slide blocks 22 one to one with two, the top of two above-mentioned wheel clamping mechanisms 4 connects respectively often organizes above-mentioned slide block 22 one to one with it, decompose or press-fit in process, can move by additional lock mounting mechanism, the force-bearing situation of reduction ram cylinder assembly 3 to a certain degree, ensure that wheel clamping mechanism 4 can normally movement, simultaneously, the situation of the installation site skew that causes etc. occurs along with increasing service time to reduce wheel clamping mechanism 4, in addition, the number of above-mentioned slide block 22 can according to the relevant information of the own wt of actual wheel clamping mechanism 4 and bearing capacity, increase its number, ensure that slide block 22 can move on slide rail 21.
In certain embodiments, above-mentioned slide rail 21 can be set to two, and respectively arranged side by side be arranged on its one to one above-mentioned wheel clamping mechanism 4 above the bottom of frame 2 entablature, often organizing above-mentioned slide block 22 is slidably mounted on every bar slide rail 21 corresponding with it respectively, and connect the top of the above-mentioned wheel clamping mechanism 4 corresponding with it, realize the wheel clamping mechanism 4 that double track is corresponding respective separately, so that when a track goes wrong, the normal utilization of another track can not be affected wherein.
In above-mentioned frame 2, sill is respectively equipped with two to upper, the block seat 6 for limiting wheel clamping mechanism 4 movement that lower correspondence is arranged, on often pair, bottom the entablature that the above-mentioned block seat 6 of lower setting is arranged on frame 2 respectively and on sill top, and lay respectively at the side of the above-mentioned wheel clamping mechanism 4 corresponding with it away from ram cylinder assembly 3, the setting of this block seat 6 sets the size of part based on wheel, this block seat 6 is given prominence to and is installed in frame 2, and be positioned at the range place of press mounting of car wheel position, be convenient to the location of wheel clamping mechanism 4 movement, simplify the operation course.
As shown in Fig. 1,2,4, in certain embodiments, feeding double track 7 (being positioned at the forward position shown in Fig. 2) is also provided with bottom above-mentioned frame 2, above-mentioned feeding double track 7 is vertical with frame 2 to be arranged, and stretching in above-mentioned frame 2, above-mentioned feeding double track 7 is slidably fitted with wheel to lifting mechanism 8, above-mentioned wheel can be slided along feeding double track 7 to lifting mechanism 8, be convenient to carry wheel to part, alleviate operation intensity.
The course of work of complete machine is as follows:
The wheel of the rail transit rolling stock of above-described embodiment is taken turns in process in decomposition decomposition pressure installation, main piston 34 drives main piston pole socket 35 and wheel clamping mechanism 4 to move to block seat 6 place of correspondence and props up block seat 6, stop mobile, right to lifting mechanism 6 loading wheel at wheel afterwards, and the assembly station place moved to along feeding double track 5 in frame 2, backward wheel clamping mechanism 4 in assembly wheel pair, wheel and brake disc is made to lay respectively at wheel clamping mechanism 411 and brake disc clamps in position, chamber 413, axle section is positioned at wheel shaft movable passageway 412, push-rod piston 32 drives hydraulic push rod 33 to move, its free end stretches in wheel shaft movable passageway 412 gradually, hydroelastic system thimble 36 is made to withstand wheel shaft termination, now, locating clip installs complete, next step, main piston 34 drives main piston pole socket 35 and wheel clamping mechanism 4 oppositely movement, now, wheel shaft is motionless, wheel and brake disc are along with clamping mechanism 4 synchronizing moving, and wheel shaft is departed from moving process, dismantle each parts afterwards, decompose complete, press-fiting in process, first promoting main piston 34 by oil pressure drives main piston pole socket 35 and wheel clamping mechanism 4 to move, make it reach suitable and press-fit station, put into wheel to after part, oil pressure promotes push-rod piston 32 and drives hydraulic push rod 33 to make hydroelastic system thimble 36 withstand the right axle stub of wheel, and wheel to be press-fited is placed in respectively to part clamp in pedestal 41, rear master piston 34 drive main piston pole socket 35 and wheel clamping mechanism 4 to promote to frame 2 inside, to completing the size press-fited, complete and press-fit, afterwards, hydraulic push rod 33 oppositely movement under push-rod piston 32 drives, hydroelastic system thimble 36 and wheel shaft are departed from, and be contracted in Telescopic path, next step, dismounting wheel is to part.
In decomposable process, axle stub stressing conditions is as follows:
Condition: two-wheeled cake wheel is simultaneously stressed when decomposing to axle two ends, axle body
tension stress;
Axle head is stressed=difference of two-wheeled cake decomposing force;
F
left, F
rightfor wheel cake decomposing force, Y
left, Y
rightfor axle head is stressed;
Work as F
left=F
righttime: Y
left, Y
right=0
Work as F
left> F
righttime: Y
left=F left side-F
righty
right=0
Work as F
right> F
lefttime: Y
right=F
right-F
lefty
left=0
Therefore when decomposing wheel pair, axle head does not stress or very little stressed, there will not be the thick phenomenon of axle head pier completely.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
The wheel of rail transit rolling stock of the present invention is simple to decomposition pressure installation structure, easy for operation, can individually or simultaneously to two-wheeled to decomposing, and wheel can be realized to automatic feed/discharge, alleviate operating worker labour intensity and shorten wheel to resolving time beat, in addition, when decomposing, the axle head axle body that do not stress is stressed, the thick phenomenon of axle head pier and damage when effectively avoiding decomposition.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. the wheel of a rail transit rolling stock is installed to decomposition pressure, it is characterized in that: comprise support (1), frame (2), wheel shaft location telescoping mechanism, wheel clamp driving mechanism and wheel clamping mechanism (4), described frame (2) is arranged on support (1); Described wheel shaft location telescoping mechanism is arranged in described frame (2), for clamping and moving the right wheel shaft of the wheel press-fited to be decomposed; Described wheel clamps driving mechanism and is arranged in described frame (2), moves axially for driving described wheel clamping mechanism (4); Described wheel clamping mechanism (4) clamps driving mechanism with described wheel and is connected, for clamping the right wheel of the wheel press-fited to be decomposed.
2. the wheel of a kind of rail transit rolling stock according to claim 1 is installed to decomposition pressure, it is characterized in that: described axle allocation mechanism of taking turns comprises two the first fluid pressure drive devices being symmetricly set on described frame (2) both sides, the free end of this first fluid pressure drive device is provided with hydroelastic system thimble (36) described wheel and clamps driving mechanism and comprise two the second fluid pressure drive devices being symmetricly set on described frame (2) both sides, and the free end of this second fluid pressure drive device connects with corresponding wheel clamping mechanism (4).
3. the wheel of a kind of rail transit rolling stock according to claim 2 is installed to decomposition pressure, it is characterized in that: described first fluid pressure drive device of the upper any side of described frame (2) and described second fluid pressure drive device integrated formation ram cylinder assembly (3).
4. the wheel of a kind of rail transit rolling stock according to claim 3 is installed to decomposition pressure, it is characterized in that: described ram cylinder assembly (3) also comprises cylinder body (31), described cylinder body (31) inside has the first oil pocket (313) and the second oil pocket (314), described first fluid pressure drive device and the second fluid pressure drive device respectively correspondence are arranged in the first oil pocket (313) and the second oil pocket (314), described first fluid pressure drive device and the second fluid pressure drive device can move left and right along the chamber wall of first oil pocket (313) of correspondence and the second oil pocket (314) respectively, described first fluid pressure drive device and the second fluid pressure drive device are coaxially arranged, described second fluid pressure drive device free end stretches out cylinder body (31) outside one end of wheel clamping mechanism (4), and connect the wheel clamping mechanism (4) corresponding with it, the Telescopic path running through it is vertically had in described second fluid pressure drive device, described first fluid pressure drive device free end stretches in this Telescopic path, and can move along Telescopic path inwall, and can stretch in wheel clamping mechanism (4).
5. the wheel of a kind of rail transit rolling stock according to claim 4 is installed to decomposition pressure, it is characterized in that: described cylinder body (31) comprises hydraulic tailstock cylinder sleeve (311) and ram cylinder cylinder sleeve (312), described ram cylinder cylinder sleeve (312) is arranged on frame (2) side, described hydraulic tailstock cylinder sleeve (311) is positioned at described frame (2) outward, and coaxially arrange with described ram cylinder cylinder sleeve (312), and connect described ram cylinder cylinder sleeve (312), the first oil pocket (313) is formed in described hydraulic tailstock cylinder sleeve (311), the second oil pocket (314) is formed in described ram cylinder cylinder sleeve (312).
6. the wheel of a kind of rail transit rolling stock according to claim 5 is installed to decomposition pressure, it is characterized in that: described first fluid pressure drive device comprises push-rod piston (32) and coupled hydraulic push rod (33), described push-rod piston (32) is positioned at described first oil pocket (313), described hydraulic push rod (33) free end passes the second oil pocket (314) and extends in the Telescopic path of the second fluid pressure drive device, and described hydroelastic system thimble (36) is arranged on this end termination.
7. the wheel of a kind of rail transit rolling stock according to claim 6 is installed to decomposition pressure, it is characterized in that: described second fluid pressure drive device comprises main piston (34) and coupled main piston pole socket (35), described main piston (34) is positioned at described second oil pocket (314), described main piston pole socket (35) free end is through described ram cylinder cylinder sleeve (312) one end away from hydraulic tailstock cylinder sleeve (311), and connect with corresponding wheel clamping mechanism (4), described Telescopic path is located in main piston pole socket (35), and run through main piston pole socket (35) vertically.
8. the wheel of a kind of rail transit rolling stock according to claim 7 is installed to decomposition pressure, it is characterized in that: described wheel clamping mechanism (4) comprises and clamps pedestal (41) and connecting portion (42), described connecting portion (42) is connected and fixed with the free end of corresponding main piston pole socket (35), the described side opening clamping pedestal (41) and deviate from frame (2), and the wheel that its inside has vertically setting clamps position, chamber (411), in described wheel clamping mechanism (4), the wheel shaft movable passageway (412) clamping pedestal (41) and connecting portion (42) is run through about laterally having in middle part, described wheel shaft movable passageway (412) and described first fluid pressure drive device are coaxially arranged, described second fluid pressure drive device free end and connecting portion (42) deviate from the end face clamping pedestal (41) and are fixedly connected with, described first fluid pressure drive device free end can stretch to wheel shaft movable passageway (412).
9. the wheel of a kind of rail transit rolling stock according to claim 8 is installed to decomposition pressure, it is characterized in that: described in clamp in pedestal (41) and be also provided with the brake disc vertically arranged and clamp position, chamber (413), described brake disc clamps position, chamber (413) and wheel and clamps position, chamber (411) side by side and coaxially arrange, described brake disc clamps position, chamber (413) and is positioned at wheel and clamps the opposite side that position, chamber (411) deviates from connecting portion (42), described brake disc clamps position, chamber (413) and wheel and clamps between position, chamber (411) and be provided with catch (414), this catch (414) is run through in described wheel shaft movable passageway (412) left and right.
10. the wheel of a kind of rail transit rolling stock according to any one of claim 5 to 9 is installed to decomposition pressure, it is characterized in that: described frame (2) both sides are respectively equipped with protective cover (5), described protective cover (5) covers and its described hydraulic tailstock cylinder sleeve (311) one to one.
The wheel of 11. a kind of rail transit rolling stocks according to any one of claim 1 to 9 is installed to decomposition pressure, it is characterized in that: the bottom of described frame (2) entablature is horizontally installed with slide rail (21) along frame (2) height direction, the both sides of described slide rail (21) are slidably fitted with respectively described wheel clamping mechanism (4) slide block (22) described in two groups one to one with two, the top of two described wheel clamping mechanisms (4) connects respectively often organizes described slide block (22) one to one with it.
The wheel of 12. a kind of rail transit rolling stocks according to claim 11 is installed to decomposition pressure, it is characterized in that: described slide rail (21) has two, and be separately positioned on the bottom with its frame (2) entablature of described wheel clamping mechanism (4) top one to one, often organize described slide block (22) to be slidably mounted on respectively on every bar slide rail (21) corresponding with it, and connect the top of the described wheel clamping mechanism (4) corresponding with it.
The wheel of 13. a kind of rail transit rolling stocks according to any one of claim 1 to 9 is installed to decomposition pressure, it is characterized in that: described frame (2) upper and lower crossbeam is respectively equipped with the block seat (6) for limiting wheel clamping mechanism (4) movement that two pairs of upper and lower correspondings are arranged, bottom the entablature that the described block seat (6) of often pair of upper and lower setting is arranged on frame (2) respectively and on sill top, and lay respectively at the side of the described wheel clamping mechanism (4) corresponding with it away from ram cylinder assembly (3).
The wheel of 14. a kind of rail transit rolling stocks according to any one of claim 1 to 9 is installed to decomposition pressure, it is characterized in that: described frame (2) bottom is also provided with feeding double track (7), described feeding double track (7) is vertical with frame (2) to be arranged, and stretch in described frame (2), described feeding double track (7) is slidably fitted with wheel to lifting mechanism (8), described wheel can be slided along feeding double track (7) to lifting mechanism (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001251.2A CN105382520B (en) | 2015-12-28 | 2015-12-28 | A kind of wheel of rail transit rolling stock is to decomposing pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001251.2A CN105382520B (en) | 2015-12-28 | 2015-12-28 | A kind of wheel of rail transit rolling stock is to decomposing pressing machine |
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| Publication Number | Publication Date |
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| CN105382520A true CN105382520A (en) | 2016-03-09 |
| CN105382520B CN105382520B (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511001251.2A Active CN105382520B (en) | 2015-12-28 | 2015-12-28 | A kind of wheel of rail transit rolling stock is to decomposing pressing machine |
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| CN106739794A (en) * | 2016-12-15 | 2017-05-31 | 王存伟 | Abandoned car rim for automobile wheel and tire seperator |
| CN108247085A (en) * | 2018-03-19 | 2018-07-06 | 刘广俭 | A kind of hydraulic-driven without lathe bed wheel tread turning machining device |
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Also Published As
| Publication number | Publication date |
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| CN105382520B (en) | 2018-01-26 |
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