CN110509230A - A kind of journal box spring group pre-compression device - Google Patents
A kind of journal box spring group pre-compression device Download PDFInfo
- Publication number
- CN110509230A CN110509230A CN201910755196.8A CN201910755196A CN110509230A CN 110509230 A CN110509230 A CN 110509230A CN 201910755196 A CN201910755196 A CN 201910755196A CN 110509230 A CN110509230 A CN 110509230A
- Authority
- CN
- China
- Prior art keywords
- spring group
- journal box
- box spring
- mounting rack
- compression device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
- B25B27/302—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs coil springs other than torsion coil springs
- B25B27/304—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs coil springs other than torsion coil springs by compressing coil springs
Abstract
The invention belongs to technical field of rail traffic, and in particular to a kind of journal box spring group pre-compression device.For the problem of journal box spring group precommpression difficulty in the prior art, the invention discloses a kind of 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).Present invention reduces the precompressed difficulty of journal box spring group, eliminate the security risk when compression of journal box spring group.The present invention is suitable for the precommpression of journal box spring group.
Description
Technical field
The invention belongs to technical field of rail traffic, and in particular to a kind of journal box spring group pre-compression device.
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.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of precompressed difficulty of reduction journal box spring group, raising
Working efficiency, the journal box spring group pre-compression device to eliminate safe hidden trouble.
The technical solution adopted by the invention is as follows:
A kind of journal box spring group pre-compression device, including mounting rack, hydraulic device and pedestal, the mounting rack include top plate
And side plate, it is fixedly connected in the middle part of the top of hydraulic device and the top plate, mounting rack is fixed on pedestal, and pedestal and ground are solid
Fixed connection, the hydraulic device lower end are provided with the pressure head for compressing axle box groups of springs, and the pressure head bottom offers through slot.
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, it is more accurate.
Preferably, the top plate and side plate junction are provided with several stiffeners.
After the technical solution, the strength and stiffness of mounting rack are higher, and structure is more stable.
Preferably, be connected with fixed plate on the cylinder body of the hydraulic device, the both ends of the fixed plate respectively with mounting rack
Side be fixedly connected.
After the technical solution, the lateral stability of hydraulic device is more preferable, is not susceptible to transversely deforming, and device is more steady
Fixed and safety.
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 present invention 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, it is more accurate.
2. the top of mounting rack and side junction are provided with several stiffeners, the strength and stiffness of mounting rack are higher, knot
Structure is more stable.
3. setting fixed plate is connect with hydraulic device, the lateral stability of hydraulic device is more preferable, is not susceptible to transversely deforming,
Device is more stable and safe.
4. 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.
5. preferred, track and scooter be set, journal box spring group is placed and taken out more convenient, and positioning is more on pedestal
Accurately.
6. 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.
7. 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.
8. 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.
9. 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.
10. 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
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is main view of the invention；
Fig. 2 is side view of the invention；
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 present invention.
A kind of journal box spring group pre-compression device, including mounting rack 1, hydraulic device 2 and pedestal 3, mounting rack 1 include side plate
And top plate, the top of hydraulic device 2 and the top plate middle part of mounting rack 1 are fixedly connected, the side plate and 3 bolt of pedestal of mounting rack 1 connect
It connects or is welded to connect, pedestal 3 is fixedly connected with the ground by expansion bolt, and 2 lower end of hydraulic device is provided with for pressing
The pressure head 5 of contracting journal box spring group, 5 bottom of pressure head offer through slot 13.When precompressed, by pressure head 5 by top hydraulic device
Power be transmitted on the clamping plate of journal box spring group, pressure head is from top to bottom in compression process, and journal box spring group height gradually decreases, axis
Case groups of springs is screwed into service bolt to lower clamp plate when reaching working depth from the through slot 13 of 5 bottom of pressure head, connects upper and lower plywoods
It connects, 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 (10)
1. a kind of 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) includes top plate and side plate, is fixedly connected in the middle part of the top of hydraulic device (2) and the top plate, mounting rack
(1) it is fixed on pedestal (3), pedestal (3) is fixedly connected with the ground, and hydraulic device (2) lower end is provided with for compressional axis
The pressure head (5) of case groups of springs, pressure head (5) bottom offer through slot (13).
2. a kind of journal box spring group pre-compression device as described in claim 1, which is characterized in that the top plate is connect with side plate
Place is provided with several stiffeners (6).
3. a kind of journal box spring group pre-compression device as described in claim 1, which is characterized in that the hydraulic device (2)
Cylinder body is connected with fixed plate (4), and the both ends of the fixed plate (4) are fixedly connected with the side of mounting rack (1) respectively.
4. a kind of journal box spring group pre-compression device as described in claim 1, which is characterized in that the lower end of the through slot (13)
It is provided with step v notch v (14), the width of the step v notch v (14) and the diameter of journal box spring group are mutually matched.
5. a kind of journal box spring group pre-compression device as described in claim 1, which is characterized in that be arranged on the pedestal (3)
There are two parallel tracks (16), the scooter (9) for placing journal box spring group, two tracks are set on track (16)
(16) a part between is located at the underface of pressure head (5).
6. a kind of journal box spring group pre-compression device as claimed in claim 5, which is characterized in that the scooter includes loading
Platform, the article carrying platform are made of metal material, article carrying platform with a thickness of 15~20mm.
7. a kind of journal box spring group pre-compression device as claimed in claim 6, which is characterized in that be arranged on the article carrying platform
There is the groove for limiting journal box spring group position.
8. a kind of journal box spring group pre-compression device as described in claim 1, which is characterized in that the front end of the pedestal (3)
The first limiting device (11) and the second limiting device (17) are respectively arranged with rear end.
9. a kind of journal box spring group pre-compression device as described in claim 1, which is characterized in that before the mounting rack (1)
Two sides are respectively arranged with safety barrier (10) afterwards, and the safety barrier (10) and mounting rack (1) pass through hinge (8) and bolt (12)
Connection.
10. a kind of journal box spring group pre-compression device as described in claim 1, which is characterized in that it further include graduated scale (7),
The graduated scale (7) is vertically arranged and is fixedly connected with mounting rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910755196.8A CN110509230A (en) | 2019-08-15 | 2019-08-15 | A kind of journal box spring group pre-compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910755196.8A CN110509230A (en) | 2019-08-15 | 2019-08-15 | A kind of journal box spring group pre-compression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110509230A true CN110509230A (en) | 2019-11-29 |
Family
ID=68626109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910755196.8A Pending CN110509230A (en) | 2019-08-15 | 2019-08-15 | A kind of journal box spring group pre-compression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110509230A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091176A (en) * | 2022-07-25 | 2022-09-23 | 中车大连机车车辆有限公司 | Locomotive axle box spring dismounting device and dismounting method applied to railway site |
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| CN202655890U (en) * | 2012-07-05 | 2013-01-09 | 南车青岛四方机车车辆股份有限公司 | Axle box spring press fitting device for motor train unit |
| FR3008017A1 (en) * | 2013-07-02 | 2015-01-09 | Peugeot Citroen Automobiles Sa | PRE-SOLIDARIZED SHOCK SPRING COMPRESSION APPARATUS FOR A VEHICLE TRAIN |
| CN105729392A (en) * | 2016-04-22 | 2016-07-06 | 安徽安凯金达机械制造有限公司 | Spring compressor |
| CN105856162A (en) * | 2016-06-21 | 2016-08-17 | 中航成飞民用飞机有限责任公司 | Compression spring mounting tool |
| CN109094600A (en) * | 2018-07-25 | 2018-12-28 | 中车青岛四方机车车辆股份有限公司 | A kind of journal box spring is pre-assembled to be set |
| CN208713348U (en) * | 2018-09-21 | 2019-04-09 | 十堰东风采埃孚减振器有限公司 | A kind of 30KN damper spring pressing machine |
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2019
- 2019-08-15 CN CN201910755196.8A patent/CN110509230A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202169570U (en) * | 2011-06-16 | 2012-03-21 | 钟祥市东风捷祥汽车减振器有限公司 | Double-station pneumatic spring press-mounting machine for production of shock absorber |
| CN202655890U (en) * | 2012-07-05 | 2013-01-09 | 南车青岛四方机车车辆股份有限公司 | Axle box spring press fitting device for motor train unit |
| FR3008017A1 (en) * | 2013-07-02 | 2015-01-09 | Peugeot Citroen Automobiles Sa | PRE-SOLIDARIZED SHOCK SPRING COMPRESSION APPARATUS FOR A VEHICLE TRAIN |
| CN105729392A (en) * | 2016-04-22 | 2016-07-06 | 安徽安凯金达机械制造有限公司 | Spring compressor |
| CN105856162A (en) * | 2016-06-21 | 2016-08-17 | 中航成飞民用飞机有限责任公司 | Compression spring mounting tool |
| CN109094600A (en) * | 2018-07-25 | 2018-12-28 | 中车青岛四方机车车辆股份有限公司 | A kind of journal box spring is pre-assembled to be set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091176A (en) * | 2022-07-25 | 2022-09-23 | 中车大连机车车辆有限公司 | Locomotive axle box spring dismounting device and dismounting method applied to railway site |
| CN115091176B (en) * | 2022-07-25 | 2023-07-07 | 中车大连机车车辆有限公司 | Locomotive axle box spring dismounting device and dismounting method applied to railway site |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20191129 |