CN102873500B - Tool used for replacing side roll resistance torsion bar bushing block of bogie and replacement method - Google Patents
Tool used for replacing side roll resistance torsion bar bushing block of bogie and replacement method Download PDFInfo
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- CN102873500B CN102873500B CN201210394966.9A CN201210394966A CN102873500B CN 102873500 B CN102873500 B CN 102873500B CN 201210394966 A CN201210394966 A CN 201210394966A CN 102873500 B CN102873500 B CN 102873500B
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Abstract
The invention provides a tool used for replacing a side roll resistance torsion bar bushing block of a bogie and a replacement method. The tool comprises a matrix, wherein the matrix is provided with a mounting hole used to be sheathed to a side roll resistance torsion bar bushing block in a penetrating mode along the horizontal direction; the surface of the matrix is provided with a long trough hole; the length direction of the long through hole is parallel with the center shaft of the mounting hole; the bottom of the long through hole is communicated with the mounting hole; the inside of the long through hole is fixedly provided with two side top blocks; in the long through hole, a main top block is arranged between the two side top blocks; on the matrix, a screw is in spiro union to one side of the main top block, which is opposite to a supporting convex part; and the tail end of the screw is supported on the main top block. According to the tool disclosed by the invention, the surface of the end shaft of the side roll resistance torsion bar of the bogie is free from being damaged when the side roll resistance torsion bar bushing block of the bogie is replaced, the side roll resistance torsion bar of the bogie can be reused after the bushing block is replaced, and the vehicle overhauling cost is lowered.
Description
Technical field
The embodiment of the present invention relates to rolling stock manufacturing technology, relates in particular to a kind of bogie anti-side rolling torsion rod lining and changes by frock and replacing method.
Background technology
Along with train constantly raises speed, most of passenger vehicle all installs torsion bar mechanism for preventing side rolling of train carriage additional between bogie and car body, and when anti-side rolling torsion rod can effectively slow down vehicle operating, car body is due to the power of sidewindering that is subject to track irregularity and other extraneous excitation and produces.
On the end axle of anti-side rolling torsion rod end, the lining of fixing sheathed tubular, to avoid the end axle of torsion bar in train operation a period of time process to be worn.
Passenger vehicle is after the operation through 1,200,000 kilometers, and Dou Yaohui manufactory carries out three grades and repaiies maintenance.There are wearing and tearing in various degree, the lining that must more renew carrying out the lining that three grades of bogies repair on the end axle that when maintenance find anti-side rolling torsion rod.And in the prior art, be by first lining being added on the end axle that is set to anti-side rolling torsion rod after thermal expansion, and utilize the characteristic of expanding with heat and contract with cold, make lining and end axle by interference fit, be fixedly connected with and be integral after cooling, because the mating surface of interference fit is very tight, when resleeve more, must adopt destructive measure could remove lining.Yet the thickness of lining only has 2mm～2.5mm, while adopting destructive measure to peel off lining, often can be damaged to end axle.
Summary of the invention
The invention provides a kind of bogie anti-side rolling torsion rod lining and change by frock and replacing method, for solving prior art, by lining in the process that the end axle of anti-side rolling torsion rod disassembles, easily cause the impaired defect of end axle.
The invention provides a kind of bogie anti-side rolling torsion rod lining replacing frock, comprising: a matrix, on described matrix, along continuous straight runs runs through and offer one for overlapping the installing hole on the lining that is set to anti-side rolling torsion rod; On the surface of described matrix, offer a microscler through hole, the length direction of described microscler through hole and the central axes of described installing hole, and the bottom of described microscler through hole is connected with described installing hole; In described microscler through hole, be fixedly installed two side jacking blocks, in described microscler through hole and between two described side jacking blocks, be provided with a main jacking block; Described side jacking block end is formed for supporting deep gouge on described lining, along the first top on the axially extended cell wall of described lining, described main jacking block end is formed with for supporting described deep gouge, along the second top on axially extended another cell wall of described lining; The side of described main jacking block forms a support convex, described support convex contacts with the first side wall that described microscler through hole extends along its length, on described matrix and in the side that described main jacking block deviates from described support convex, be also bolted with screw rod, the end of described screw rod is supported on described main jacking block, by main jacking block described in described screw drive, take described support convex as fulcrum, rotate and make described the second top away from described the first top relative to described the first side wall.
The invention provides a kind of bogie anti-side rolling torsion rod lining replacing method, comprising: on the lining of anti-side rolling torsion rod, process along the axially extended deep gouge of described lining; Anti-side rolling torsion rod lining is changed and is set on the lining of anti-side rolling torsion rod to be removed with the matrix of frock, and the second top of main jacking block and the first top of side jacking block are supported respectively in two opposing sidewalls of extending along described lining of described deep gouge; Screw screw rod, by screw rod, promote described main jacking block and take support convex and rotate as fulcrum, so that described the second top rotates to the direction away from described the first top, until after described lining breaks along described deep gouge, take off described lining; On the end axle of described anti-side rolling torsion rod, reinstall new lining.
Bogie anti-side rolling torsion rod lining provided by the invention is changed by frock and replacing method, can support by the first top of side jacking block and the second top of main jacking block two relative cell walls of the deep gouge on lining, and coordinate screw rod to promote main jacking block to take support convex and rotate as fulcrum, so that rotate to the direction away from the first top the second top, until lining breaks along deep gouge, reached in changing bogie anti-side rolling torsion rod lining process, convenient, effectively pull down old lining, can not damage the surface of bogie anti-side rolling torsion rod end axle, bogie anti-side rolling torsion rod more can be reused after resleeve, reduced the cost of car inspection and repair.
Accompanying drawing explanation
Fig. 1 is that bogie anti-side rolling torsion rod lining of the present invention is changed the structural representation with frock embodiment;
Fig. 2 be in Fig. 1 A-A to generalized section;
Fig. 3 is the flow chart that bogie anti-side rolling torsion rod lining of the present invention is changed embodiment of the method;
Fig. 4 is the schematic diagram of the bogie anti-side rolling torsion rod lining of installment state;
Fig. 5 is that the bogie anti-side rolling torsion rod lining in Fig. 1 is changed the use view by frock;
Fig. 6 is the structural representation of limiting plate;
Fig. 7 is the structural representation of mounting tool.
Description of reference numerals:
10-matrix; 11-installing hole; The microscler through hole of 12-;
13-side jacking block; The main jacking block of 14-; 15-the first top;
16-the second top; 17-support convex; 18-screw rod;
20-lining; 21-deep gouge; 30-limiting plate.
The specific embodiment
Fig. 1 is that the bogie anti-side rolling torsion rod lining of the embodiment of the present invention one is changed the structural representation by frock; Fig. 2 be in Fig. 1 A-A to generalized section; Fig. 4 is the schematic diagram of the bogie anti-side rolling torsion rod lining of installment state; Fig. 5 is that the bogie anti-side rolling torsion rod lining in Fig. 1 is changed the use view by frock; Please refer to Fig. 1, Fig. 2, Fig. 4 and Fig. 5, bogie anti-side rolling torsion rod lining is changed and to be comprised by frock: a matrix 10, on matrix 10, along continuous straight runs runs through and offer one for overlapping the installing hole 11 on the lining 20 that is set to anti-side rolling torsion rod; On the surface of matrix 10, offer a microscler through hole 12, the central axes of the length direction of this microscler through hole 12 and installing hole 11, and the bottom of this microscler through hole 12 is connected with installing hole 11; In this microscler through hole 12, be fixedly installed two side jacking blocks 13, in this microscler through hole 12 and be provided with a main jacking block 14 between two side jacking blocks 13; These side jacking block 13 ends are formed for supporting deep gouge 21 on lining, along the first top 15 on the axially extended cell wall of lining 20, these main jacking block 14 ends are formed with for supporting deep gouge 21, along the second top 16 on axially extended another cell wall of lining 20; The side of main jacking block 14 forms a support convex 17, support convex 17 contacts with the first side wall that microscler through hole 12 extends along its length, on matrix 10 and in the side that main jacking block 14 deviates from this support convex 17, be also bolted with screw rod 18, the end of this screw rod 18 is supported on main jacking block 14, by screw rod 18, drives these main jacking blocks 14 to take support convex 17 as fulcrum, rotate and make the second top 16 away from the first top 15 relative to the first side wall.
Particularly, matrix 10 is a rectangular build, also can be cylinder type, and concrete shape does not limit.Installing hole 11 runs through two relative sides of this matrix 10, bogie anti-side rolling torsion rod lining is changed and by frock, can be sleeved on the end axle of torsion bar by installing hole 11.The central axes of the length direction of microscler through hole 12 and installing hole 11, the depth direction of microscler through hole 12 is vertical with the central shaft of installing hole 11, or can have angle with the central shaft of installing hole 11, but microscler through hole 12 will be connected with installing hole 11, after being set on lining 20 when matrix 10 covers, the second top of main jacking block 14 and the first top of two side jacking blocks 13 can extend to lining 20 surfaces and be resisted against via this microscler through hole 12 and be opened in the lip-deep deep gouge 21 of lining 20.
The shape of side jacking block 13 and main jacking block 14, can be cuboid, also other shapes such as cylinder, and concrete shape does not limit; The length of side jacking block 13 and main jacking block 14 can identical, also can be different, but the first top 15 that side jacking block 13 ends form should be able to be supported respectively on two relative cell walls of the deep gouge 21 on lining 20 with the second top 16 that main jacking block 14 ends form; The side of this main jacking block 14 can be formed directly in a support convex 17, can be hemispherical or other shapes, with the first side wall extending along its length with microscler through hole 12, contact, further, on matrix 10 and in the side that main jacking block 14 deviates from this support convex 17, be also bolted with screw rod 18, the end of this screw rod 18 is supported on main jacking block 14, can promote main jacking block 14 and take support convex 17 as fulcrum rotation.When screwing screw rod 18, by screw rod 18, promoting main jacking block 14 take support convex 17 and rotates as fulcrum, so that rotate to the direction away from the first top 15 the second top 16, and because two relative cell walls of the deep gouge 21 on lining 20 are supported in the first top 15 of side jacking block 13 and the second top 16 of main jacking block 14, just make the two opposite side walls of the deep gouge 21 on lining 20 be subject to the support force of opposite direction, finally, under this power effect, lining 20 is broken along deep gouge 21.The bogie anti-side rolling torsion rod lining replacing frock that the present embodiment provides, , can support by the first top 15 of side jacking block 13 and the second top 16 of main jacking block 14 two relative cell walls of the deep gouge 21 on lining 20, and coordinate the main jacking block 14 of screw rod 18 promotion to take support convex 17 as fulcrum rotation, so that rotate to the direction away from the first top 15 the second top 16, until lining 20 breaks along deep gouge 21, reached in changing bogie anti-side rolling torsion rod lining process, convenient, effectively pull down old lining, can not damage the surface of bogie anti-side rolling torsion rod end axle, bogie anti-side rolling torsion rod more can be reused after resleeve, reduced the cost of car inspection and repair.
Further, shown in Fig. 1, Fig. 2, this matrix 10 is rectangular-shaped, and installing hole 11 runs through two relative sides of this matrix 10, bogie anti-side rolling torsion rod lining is changed and by frock, can be sleeved on the end axle of torsion bar by installing hole 11.
In the present embodiment, in this microscler through hole 12, be fixedly installed two side jacking blocks 13, this side jacking block 13 is connected by the mode of welding with two rectangular carbon steel coupons that are attached to matrix 10 surfaces, and two carbon steel coupons are fixed on matrix with screw rod.These side jacking block 13 ends are formed for supporting deep gouge 21 on lining 20, along the first top 15 on the axially extended cell wall of lining 20.In addition, above-mentioned side jacking block 13 also can be one one-body molded with carbon steel coupon, and the present invention is not as limit.
In the present embodiment, in this microscler through hole 12 and be provided with a main jacking block 14 between two side jacking blocks 13, microscler through hole 12 is opened on the end face of matrix 10, and main jacking block 14 inserts matrixes 10 by microscler through hole 12.Preferably, main jacking block 14 can be for one by end face, bottom surface and four hexahedrons that side forms, and the bottom surface of main jacking block 14 convexes to form the second top 16, main jacking block 14 is an inclined-plane from up to down tilting towards the side of the first side wall phase, the bottom on inclined-plane and the bottom surface of this main jacking block fin forming that joins is support convex 17, and the angle of this inclined-plane and the first side wall formation is for being greater than 0 ° and be less than or equal to 5 °.By the first top 15 of side jacking block 13 and the second top 16 of main jacking block 14, support two relative cell walls of the deep gouge 21 on lining 20, and coordinate the main jacking block 14 of screw rod 18 promotion to take support convex 17 as fulcrum rotation, so that the second top 16 is to the direction rotation away from the first top 15, until lining 20 breaks along deep gouge 21.In the present invention, the inclined-plane of this main jacking block 14 can be formed directly in a support convex 17, or these support convex 17 these chamfered surfaces of protrusion, and concrete shape does not limit.
In addition, in the present embodiment, main jacking block 14 deviates from the side on inclined-plane can offer a detent, the end of screw rod 18 is supported in detent, this groove can play positioning action to screw rod 18, further guarantees that screw rod 18 can be supported reliably on main jacking block 14 and promote main jacking block 14 to take support convex 17 and rotate as fulcrum.When promoting main jacking block 14, screw rod 18 take support convex 17 when fulcrum rotates, the second top 16 is rotated to the direction away from the first top 15, until lining 20 breaks along deep gouge 21, reached in changing bogie anti-side rolling torsion rod lining process, convenient, the effectively inferior surface of dismantling lower original lining and can not damage bogie anti-side rolling torsion rod end axle, bogie anti-side rolling torsion rod more can be reused after resleeve, reduced the cost of car inspection and repair.
Fig. 3 be bogie anti-side rolling torsion rod lining of the present invention change embodiment of the method flow chart.As shown in Figure 3, this replacing method comprises following process.
Step 301: process on the lining of anti-side rolling torsion rod along the axially extended deep gouge of described lining.
Please refer to Fig. 4, particularly, can use the milling cutter of φ 10mm, with rotating speed 500-600rpm, on the lining 20 of anti-side rolling torsion rod, processing is along the axially extended deep gouge 21 of lining.Because the thickness of lining 20 only has 2mm-2.5mm, in order not damage the end axle of torsion bar, milling cutter first being processed can used, whether usage level instrument detects bogie torsion bar in level, adjust torsion bar position, to guarantee that torsion bar two ends difference in height is less than or equal to 0.1mm, process again, and the Working position of lining one end inwardly can not surpass lining edge 0.5mm, in order to avoid torsion bar is damaged.In addition, in order not damage the end axle of bogie anti-side rolling torsion rod, and can make old lining peel off smoothly, requiring the residual thickness after lining processing deep gouge 21 is 0.1-0.2mm.
Step 302: anti-side rolling torsion rod lining is changed and is set on the lining of anti-side rolling torsion rod to be removed with the matrix of frock, and the second top of main jacking block and the first top of side jacking block are supported respectively in two opposing sidewalls of extending along described lining of described deep gouge.
Please refer to Fig. 5, particularly, first bogie anti-side rolling torsion rod lining is changed and moved back with screw rod 18 pines of frock, take out main jacking block 14.Again anti-side rolling torsion rod lining is changed with tooling sleeve to the lining 20 of anti-side rolling torsion rod to be removed, then pack main jacking block 14 into, and the second top 16 of main jacking block 14 and the first top 15 of side jacking block 13 are supported respectively in two opposing sidewalls of extending along lining of deep gouge 21.
Step 303: screw screw rod, promote described main jacking block by screw rod and take support convex and rotate as fulcrum, so that described the second top rotates to the direction away from described the first top, until after described lining breaks along described deep gouge, take off described lining.
By the first top 15 of side jacking block 13 and the second top 16 of main jacking block 14, support two relative cell walls of the deep gouge 21 on lining 20, and cooperation screws screw rod 18, by screw rod 18, promoting main jacking block 14 take support convex 17 and rotates as fulcrum, so that the second top 16 rotates to direction away from the first top 15, until lining 20 is along deep gouge 21 break (can hear the clear and melodious sound that breaks) while breaking.Then take off replacing frock, check whether the end axle of bogie anti-side rolling torsion rod is damaged.
Step 304: reinstall new lining on the end axle of described anti-side rolling torsion rod.
The bogie anti-side rolling torsion rod lining replacing method that the present embodiment provides, can support by the first top 15 of side jacking block 13 and the second top 16 of main jacking block 14 two relative cell walls of the deep gouge 21 on lining 20, and coordinate the main jacking block 14 of screw rod 18 promotion to take support convex 17 as fulcrum rotation, so that rotate to the direction away from the first top 15 the second top 16, until lining 20 breaks along deep gouge 21, reached in changing bogie anti-side rolling torsion rod lining process, convenient, effectively pull down old lining, can not damage the surface of bogie anti-side rolling torsion rod end axle, bogie anti-side rolling torsion rod more can be reused after resleeve, reduced the cost of car inspection and repair.
This method of reinstalling new lining comprises following process.
After step 303, can also comprise:
First described new lining is worn to a mounting tool cylindraceous.
New lining is worn to a mounting tool cylindraceous, and be positioned over electrothermal furnace heating.By Temperature Setting, be 550 ℃, when being heated to 550 ℃, using some temperature meter to detect lining temperature and whether reach 550 ℃.
Again a limiting plate cover with opening is set on the end axle of described anti-side rolling torsion rod.
Fig. 6 is the structural representation of limiting plate, and as shown in Figure 6, limiting plate 30 can be a limiting plate with opening, lining position plate is contained in to the end axle of torsion bar, is for restriction site, prevent lining in installation process because inertia exceeds installation site.Limiting plate can be the flat board with U-shaped opening, can be also the cylindrical shape of not sealing, in the present invention not as limit.
Before this, can also first clear up the end axle of bogie anti-side rolling torsion rod.In order to guarantee to hold shaft diameter large variation can not occur, sand papering end axle more than use 500# and chamfering corrosion are to smooth surface; If chamfering corrosion is serious, can first use file cleaning, smooth with sand papering.Re-use cleaning agent and nonwoven cleaning end axle, and by the roughness of roughness tester test side axle, guarantee to hold axle surface roughness to be less than or equal to Ra6.3.Doing is like this in order to guarantee to hold the fineness on axle surface, facilitates lining to install.
And then by described new lining together with described mounting tool cover be set on described end axle, the outside of described limiting plate, wherein, the thermal coefficient of expansion of the material that described mounting tool adopts is less than the material that described new lining adopts.
Fig. 7 is the structural representation of mounting tool, and as shown in Figure 7, mounting tool is cylindric, and its thermal expansion factor is less than the coefficient of thermal expansion of lining.During heating, lining just can be close on mounting tool, and when cooling, lining can depart from smoothly with mounting tool.Lining and mounting tool after heating just can be inserted in depending on the as a whole axis direction along torsion bar the end axle of torsion bar like this.The effect of mounting tool is actually the weight that has increased lining, avoids lining too gently to increase operating personnel positioning difficulty is installed.
Finally, can promote described mounting tool and move to installation site, after 1～2min, take off described mounting tool.
When mounting tool and lining are heated to 550 ℃ (detection of available point temperature meter), mounting tool and lining are taken out, be mounted to rapidly the end axle of torsion bar.In installation process, need to aim at torsion bar end axle, in the time of left rotation and right rotation mounting tool, push hard to torsion bar direction, until lining and limiting plate laminating, after wait 1-2min, are taken off mounting tool.If cannot once mounting put in place, can be cooled to before 425 ℃ at lining, use copper rod to knock mounting tool, adjust lining installation direction, until be in place.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a bogie anti-side rolling torsion rod lining replacing frock, is characterized in that, comprising: a matrix, on described matrix, along continuous straight runs runs through and offer one for overlapping the installing hole on the lining that is set to anti-side rolling torsion rod; On the surface of described matrix, offer a microscler through hole, the length direction of described microscler through hole and the central axes of described installing hole, and the bottom of described microscler through hole is connected with described installing hole; In described microscler through hole, be fixedly installed two side jacking blocks, in described microscler through hole and between two described side jacking blocks, be provided with a main jacking block; Described side jacking block end is formed for supporting deep gouge on described lining, along the first top on the axially extended cell wall of described lining, described main jacking block end is formed with for supporting described deep gouge, along the second top on axially extended another cell wall of described lining; The side of described main jacking block forms a support convex, described support convex contacts with the first side wall that described microscler through hole extends along its length, on described matrix and in the side that described main jacking block deviates from described support convex, be also bolted with screw rod, the end of described screw rod is supported on described main jacking block, by main jacking block described in described screw drive, take described support convex as fulcrum, rotate and make described the second top away from described the first top relative to described the first side wall.
2. bogie anti-side rolling torsion rod lining replacing frock according to claim 1, is characterized in that, described matrix is rectangular-shaped, and described installing hole runs through two relative sides of described matrix, and described microscler through hole is opened on the end face of described matrix.
3. bogie anti-side rolling torsion rod lining replacing frock according to claim 1, is characterized in that, described main jacking block is one by end face, bottom surface and four hexahedrons that side forms; The bottom surface of described main jacking block convexes to form described the second top, and described main jacking block is an inclined-plane from up to down tilting towards the side of described the first side wall, and the join fin of formation of the bottom on described inclined-plane and the bottom surface of described main jacking block is described support convex.
4. bogie anti-side rolling torsion rod lining replacing frock according to claim 3, is characterized in that, the angle that described inclined-plane and described the first side wall form is for being greater than 0 ° and be less than or equal to 5 °.
5. according to the bogie anti-side rolling torsion rod lining replacing frock described in claim 3 or 4, it is characterized in that, described main jacking block deviates from the side on described inclined-plane and offers a detent, and the end of described screw rod is supported in described detent.
6. bogie anti-side rolling torsion rod lining replacing frock according to claim 1, it is characterized in that, described side jacking block is prism-shaped, and the top of described side jacking block is fixedly installed horizontally extending connector, and described connector is screwed on described matrix by connecting bolt.
7. utilize the arbitrary described anti-side rolling torsion rod lining of claim 1 to 6 to change recruitment and put into the method that row bogie anti-side rolling torsion rod lining is changed, it is characterized in that, comprising:
On the lining of anti-side rolling torsion rod, process along the axially extended deep gouge of described lining;
Anti-side rolling torsion rod lining is changed and is set on the lining of anti-side rolling torsion rod to be removed with the matrix of frock, and the second top of main jacking block and the first top of side jacking block are supported respectively in two opposing sidewalls of extending along described lining of described deep gouge;
Screw screw rod, by screw rod, promote described main jacking block and take support convex and rotate as fulcrum, so that described the second top rotates to the direction away from described the first top, until after described lining breaks along described deep gouge, take off described lining;
On the end axle of described anti-side rolling torsion rod, reinstall new lining.
8. method according to claim 7, is characterized in that, describedly on the end axle of described anti-side rolling torsion rod, reinstalls new lining, specifically comprises:
Described new lining is worn to a mounting tool cylindraceous;
The one limiting plate cover with opening is set on the end axle of described anti-side rolling torsion rod;
By described new lining together with described mounting tool cover be set on described end axle, the outside of described limiting plate, wherein, the thermal coefficient of expansion of the material that described mounting tool adopts is less than the thermal coefficient of expansion of the material that described new lining adopts;
Promote described mounting tool and move to installation site, after 1～2min, take off described mounting tool.
9. method according to claim 8, is characterized in that, described described new lining is worn to a mounting tool cylindraceous after, also comprise:
Described new lining is heated to 550 ℃ together with described mounting tool.
10. method according to claim 8 or claim 9, is characterized in that, described described new lining is set on described end axle together with described mounting tool cover before, also comprise:
Clear up described end axle, make the roughness on described end axle surface be less than or equal to Ra6.3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394966.9A CN102873500B (en) | 2012-10-17 | 2012-10-17 | Tool used for replacing side roll resistance torsion bar bushing block of bogie and replacement method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394966.9A CN102873500B (en) | 2012-10-17 | 2012-10-17 | Tool used for replacing side roll resistance torsion bar bushing block of bogie and replacement method |
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| CN102873500A CN102873500A (en) | 2013-01-16 |
| CN102873500B true CN102873500B (en) | 2014-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107571199A (en) * | 2017-10-23 | 2018-01-12 | 中车长春轨道客车股份有限公司 | EMUs anti-side rolling torsion rod thin-wall bush provision for disengagement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192263B (en) * | 2013-04-11 | 2015-04-01 | 株洲时代新材料科技股份有限公司 | Tool and method for assembling anti-rolling torsion bars with various sizes |
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| 我国轨道车辆用抗侧滚扭杆装置的发展现状;赵双阳等;《机械工程师》;20120831(第8期);92-95 * |
| 赵双阳等.我国轨道车辆用抗侧滚扭杆装置的发展现状.《机械工程师》.2012,(第8期),92-95. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571199A (en) * | 2017-10-23 | 2018-01-12 | 中车长春轨道客车股份有限公司 | EMUs anti-side rolling torsion rod thin-wall bush provision for disengagement |
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