CN209682102U - A kind of novel track train journal box spring group pre-compression device - Google Patents
A kind of novel track train journal box spring group pre-compression device Download PDFInfo
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- CN209682102U CN209682102U CN201921325774.6U CN201921325774U CN209682102U CN 209682102 U CN209682102 U CN 209682102U CN 201921325774 U CN201921325774 U CN 201921325774U CN 209682102 U CN209682102 U CN 209682102U
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- spring group
- journal box
- box spring
- mounting rack
- track train
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Abstract
The utility model belongs to technical field of rail traffic, and in particular to a kind of novel track train journal box spring group pre-compression device.For the problem of journal box spring group precommpression difficulty in the prior art, the utility model discloses a kind of novel track train journal box spring group pre-compression devices, technical solution is: including mounting rack (1), hydraulic device (2) and pedestal (3), the mounting rack (1) includes top plate and side plate, it is fixedly connected in the middle part of the top of hydraulic device (2) and the top plate, mounting rack (1) is fixed on pedestal (3), pedestal (3) is fixedly connected with the ground, hydraulic device (2) lower end is provided with the pressure head (5) for compressing axle box groups of springs, through slot (13) are offered on the pressure head (5).The utility model reduces the precompressed difficulty of journal box spring group, eliminates the security risk when compression of journal box spring group.The utility model is suitable for the precommpression of journal box spring group.
Description
Technical field
The utility model belongs to technical field of rail traffic, and in particular to a kind of novel track train journal box spring group precompressed
Compression apparatus.
Background technique
Vibration absorber of the journal box spring group as rolling stock bogie is one of the components of bogie key.Wherein
No. 6 line bogie of car journal box spring groups of Chengdu subway use double-helix spring group group structure, and journal box spring group is by two nestings
Helical spring group, the composition such as lower clamp plate on spring, be primarily subjected to the vertical load of framework, and vibration of the isolation from track
It is dynamic.
Journal box spring group precommpression is by groups of springs by external force from free height compression work height, then uses technique
Upper lower clamp plate, insulating boot, backing plate are assembled into an entirety by bolt.Since the rigidity of journal box spring group reaches 1304N/mm, in advance
It is big to compress difficulty, and there are security risks, can not be compressed using manpower merely.
Utility model content
For the problems of the prior art, the utility model provide a kind of precompressed difficulty of reduction journal box spring group,
The journal box spring group pre-compression device for improving working efficiency, eliminating safe hidden trouble.
The technical solution adopted in the utility model is as follows:
A kind of novel track train journal box spring group pre-compression device, it is characterised in that: including mounting rack, hydraulic device and
Pedestal, the mounting rack include top plate and side plate, are fixedly connected in the middle part of the top of hydraulic device and the top plate, mounting rack is solid
Due on pedestal, pedestal is fixedly connected with the ground, and the hydraulic device lower end is provided with the pressure head for compressing axle box groups of springs,
The pressure head bottom offers through slot, and the top plate and side plate junction are provided with several stiffeners, the cylinder of the hydraulic device
Body is connected with fixed plate, and the both ends of the fixed plate are fixedly connected with the side of mounting rack respectively.
After the technical solution, the precommpression of journal box spring group can be carried out by hydraulic device, when journal box spring group
Reach working depth when, be screwed into from through slot service bolt to journal box spring group lower clamp plate, thus make journal box spring group keep
In working depth, it is difficult to solve the problems, such as the precommpression of journal box spring group, and hydraulic control is more laborsaving, more accurate, peace
The strength and stiffness shelved are higher, and structure is more stable, and the lateral stability of hydraulic device is more preferable, are not susceptible to transversely deforming,
Device is more stable and safe.
Preferably, the lower end of the through slot is provided with step v notch v, the width and journal box spring of the step v notch v
The diameter of group is mutually matched.
After the technical solution, journal box spring group is just put by step v notch v, can prevent journal box spring group from sending out
Raw lateral displacement, prevents the generation of journal box spring group unbalance stress and safety accident.
Preferably, it is provided with two parallel tracks on the pedestal, is arranged on track for placing journal box spring group
Scooter, a part between two tracks are located at the underface of pressure head.
After the technical solution, journal box spring group be placed and taken out it is more convenient, position it is more accurate.
Preferably, the scooter includes article carrying platform, and the article carrying platform is made of metal material, article carrying platform
With a thickness of 15~20mm.
After the technical solution, scooter is more rigid, deforms under the action of hydraulic device smaller, will not influence axis
The pre compressed magnitude control of the judgement of case groups of springs pre compressed magnitude, journal box spring group is more accurate.
Preferably, the groove for limiting journal box spring group position is provided on the article carrying platform.
After the technical solution, journal box spring group is placed in the groove on backplate vehicle, is not easy to slide from scooter,
The positioning of journal box spring group and pressure head is more accurate.
Preferably, the front-end and back-end of the pedestal are respectively arranged with the first limiting device and the second limiting device.
After the technical solution, the scope of activities of scooter can be limited, prevents scooter from skidding off from pedestal.
Preferably, the front and rear sides of the mounting rack are respectively arranged with safety barrier, and the safety barrier and mounting rack are logical
Hinge is crossed to connect with bolt.
After the technical solution, it can prevent groups of springs from bouncing and hurt sb.'s feelings or the generation of other contingencies, more pacify
Entirely.
It preferably, further include graduated scale, the graduated scale is vertically arranged and is fixedly connected with mounting rack.
After the technical solution, the pre compressed magnitude of axle box groups of springs can be more accurately controlled, judges journal box spring
Whether group reaches working depth.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. carry out the precommpression of journal box spring group using hydraulic device, when journal box spring group reaches working depth, from logical
Slot is screwed into service bolt to the lower clamp plate of journal box spring group everywhere, so that journal box spring group be made to be maintained at working depth, solves
The problem of journal box spring group precommpression difficulty, and hydraulic control is more laborsaving, and more accurate, the top and side of mounting rack connect
The place of connecing is provided with several stiffeners, and the strength and stiffness of mounting rack are higher, and structure is more stable, and fixed plate and hydraulic device is arranged
Connection, the lateral stability of hydraulic device is more preferable, is not susceptible to transversely deforming, and device is more stable and safe.
2. the lower end of through slot is provided with step v notch v, journal box spring group is just put by step v notch v, can be prevented
Lateral displacement occurs for journal box spring group, prevents the generation of journal box spring group unbalance stress and safety accident.
3. preferred, track and scooter be set, journal box spring group is placed and taken out more convenient, and positioning is more on pedestal
Accurately.
4. article carrying platform is made of metal material and with a thickness of 15~20mm, scooter is more rigid, in hydraulic device
Under the action of deform smaller, will not influence the judgement of journal box spring group pre compressed magnitude, the pre compressed magnitude control of journal box spring group is more
It is accurate to add.
5. journal box spring group is placed in the groove on backplate vehicle, it is not easy to slide from scooter, journal box spring group and pressure
The positioning of head is more accurate.
6. the front-end and back-end of the pedestal are respectively arranged with the first limiting device and the second limiting device, cunning can be limited
The scope of activities of wooden handcart, prevents scooter from skidding off from pedestal.
7. the front and rear sides of mounting rack are respectively arranged with safety barrier, it can prevent groups of springs from bouncing and hurt sb.'s feelings or other meanings
The generation of outer accident, it is safer.
8. graduated scale is arranged on mounting rack, the pre compressed magnitude of axle box groups of springs can be more accurately controlled, judges axle box
Whether groups of springs reaches working depth.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the main view of the utility model；
Fig. 2 is the side view of the utility model；
Fig. 3 is the structural schematic diagram of pressure head；
Fig. 4 is safety guard rail structure schematic diagram；
Fig. 5 is the method figure of part A in Fig. 1.
Wherein, 1- mounting rack, 2- hydraulic device, 3- pedestal, 4- fixed plate, 5- pressure head, 6- stiffener, 7- graduated scale, 8-
Hinge, 9- scooter, 10- safety barrier, the first limiting device of 11-, 12- bolt, 13- through slot, 14- step v notch v, 15- rolling
Wheel, 16- track, the second limiting device of 17-, 18- journal box spring group.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to FIG. 1 to FIG. 5 to the utility model.
A kind of novel track train journal box spring group pre-compression device, including mounting rack 1, hydraulic device 2 and pedestal 3, peace
Shelving 1 includes side plate and top plate, is fixedly connected in the middle part of the top of hydraulic device 2 and the top plate of mounting rack 1, the side plate of mounting rack 1
It is bolted or is welded to connect with pedestal 3, pedestal 3 is fixedly connected with the ground by expansion bolt, 2 lower end of hydraulic device
It is provided with the pressure head 5 for compressing axle box groups of springs, 5 bottom of pressure head offers through slot 13.It, will by pressure head 5 when precompressed
The power of top hydraulic device is transmitted on the clamping plate of journal box spring group, and for pressure head from top to bottom in compression process, journal box spring group is high
Degree gradually decreases, and journal box spring group is screwed into service bolt to lower clamp plate from the through slot 13 of 5 bottom of pressure head when reaching working depth,
Connect upper and lower plywoods, so that journal box spring group be made to be maintained at working depth.
The top plate of the mounting rack 1 and the junction of side plate are provided with several stiffeners 6.Stiffener 6 is made of steel plate,
It is connect with the top plate and plate-side plate welding.Setting can increase the strength and stiffness of mounting rack 1 in this way.
Fixed plate 4 is connected on the cylinder body of the hydraulic device 2, fixed plate 4 is made of steel plate, the fixed plate 4
Both ends are connect with the side plate bolt of mounting rack 1 respectively.
The lower end of the through slot 13 is provided with step v notch v 14, the width and journal box spring group of the step v notch v 14
Diameter it is identical.When precompressed, just journal box spring group is installed in step v notch v, determining for journal box spring group can be facilitated
Position, and can prevent journal box spring group when precompressed from deviating.
It is provided with two parallel tracks 16 on the pedestal 3, the cunning for placing journal box spring group is set on track 16
Wooden handcart 9, a part between two tracks 16 are located at the underface of pressure head 5.In this way, scooter 9 can be made to slide
To the underface of pressure head 5, facilitate the loading and taking-up of journal box spring group.
The scooter includes article carrying platform, and the article carrying platform is made of steel plate, steel plate with a thickness of 20mm.
It is provided with the groove for limiting journal box spring group position on the article carrying platform, journal box spring group is facilitated to position,
And it can prevent journal box spring group from sliding, shifting from scooter, keep journal box spring group and the positioning of pressure head 5 more accurate.
The scooter includes idler wheel 15, and 15 shape of idler wheel is spill, and the track 16 is convex, and sundries is avoided to fall into track 16
The middle movement for influencing flat car, track 16 and idler wheel 15 cooperate.
The front-end and back-end of the pedestal 3 are respectively arranged with the first limiting device 11 and the second limiting device 17.For limiting
The scope of activities of scooter 9 processed, prevents scooter 9 from skidding off from pedestal 3.
The front and rear sides of the mounting rack 1 are respectively arranged with safety barrier 10, the side of the safety barrier 10 and installation
Frame 1 is connected by hinge 8, and the other side of safety barrier 10 is connect with mounting rack 1 by bolt 12.
It further include graduated scale 7, the graduated scale 7 is vertically arranged and is fixedly connected with mounting rack 1.Due to journal box spring group
Working depth is 250-260mm, is capable of deciding whether to reach working depth by this graduated scale 7.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (8)
1. a kind of novel track train journal box spring group pre-compression device, it is characterised in that: including mounting rack (1), hydraulic device
(2) and pedestal (3), the mounting rack (1) include top plate and side plate, and the top of hydraulic device (2) and the middle part of the top plate are solid
Fixed connection, mounting rack (1) are fixed on pedestal (3), and pedestal (3) is fixedly connected with the ground, hydraulic device (2) the lower end setting
There is the pressure head (5) for compressional axis case groups of springs, pressure head (5) bottom offers through slot (13), and the top plate and side plate connect
The place of connecing is provided with several stiffeners (6), and the cylinder body of the hydraulic device (2) is connected with fixed plate (4), the fixed plate (4)
Both ends are fixedly connected with the side of mounting rack (1) respectively.
2. a kind of novel track train journal box spring group pre-compression device as described in claim 1, which is characterized in that described logical
The lower end of slot (13) is provided with step v notch v (14), the width and the diameter phase of journal box spring group of the step v notch v (14)
Mutually matching.
3. a kind of novel track train journal box spring group pre-compression device as described in claim 1, which is characterized in that the bottom
Two parallel tracks (16) are provided on seat (3), the scooter (9) for placing journal box spring group is set on track (16),
A part between two tracks (16) is located at the underface of pressure head (5).
4. a kind of novel track train journal box spring group pre-compression device as claimed in claim 3, which is characterized in that the cunning
Wooden handcart includes article carrying platform, and the article carrying platform is made of metal material, article carrying platform with a thickness of 15~20mm.
5. a kind of novel track train journal box spring group pre-compression device as claimed in claim 4, which is characterized in that the load
The groove for limiting journal box spring group position is provided on object platform.
6. a kind of novel track train journal box spring group pre-compression device as described in claim 1, which is characterized in that the bottom
The front-end and back-end of seat (3) are respectively arranged with the first limiting device (11) and the second limiting device (17).
7. a kind of novel track train journal box spring group pre-compression device as described in claim 1, which is characterized in that the peace
The front and rear sides for shelving (1) are respectively arranged with safety barrier (10), and the safety barrier (10) and mounting rack (1) pass through hinge
(8) it is connected with bolt (12).
8. a kind of novel track train journal box spring group pre-compression device as described in claim 1, which is characterized in that further include
Graduated scale (7), the graduated scale (7) are vertically arranged and are fixedly connected with mounting rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921325774.6U CN209682102U (en) | 2019-08-15 | 2019-08-15 | A kind of novel track train journal box spring group pre-compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921325774.6U CN209682102U (en) | 2019-08-15 | 2019-08-15 | A kind of novel track train journal box spring group pre-compression device |
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| Publication Number | Publication Date |
|---|---|
| CN209682102U true CN209682102U (en) | 2019-11-26 |
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ID=68609725
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921325774.6U Active CN209682102U (en) | 2019-08-15 | 2019-08-15 | A kind of novel track train journal box spring group pre-compression device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069894A (en) * | 2019-11-29 | 2020-04-28 | 中车青岛四方机车车辆股份有限公司 | Variable-gauge wheel set axle box assembling method and assembling tool |
-
2019
- 2019-08-15 CN CN201921325774.6U patent/CN209682102U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069894A (en) * | 2019-11-29 | 2020-04-28 | 中车青岛四方机车车辆股份有限公司 | Variable-gauge wheel set axle box assembling method and assembling tool |
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