CN113844474A - Anti-loosening and anti-falling structure for installation of locomotive fuel tank - Google Patents

Anti-loosening and anti-falling structure for installation of locomotive fuel tank Download PDF

Info

Publication number
CN113844474A
CN113844474A CN202111302127.5A CN202111302127A CN113844474A CN 113844474 A CN113844474 A CN 113844474A CN 202111302127 A CN202111302127 A CN 202111302127A CN 113844474 A CN113844474 A CN 113844474A
Authority
CN
China
Prior art keywords
fuel tank
loosening
hanging seat
body hanging
automobile body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111302127.5A
Other languages
Chinese (zh)
Other versions
CN113844474B (en
Inventor
徐德山
闫禹
杜慧勇
于德壮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China State Railway Group Co Ltd
CRRC Dalian Co Ltd
Original Assignee
CRRC Dalian Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CRRC Dalian Co Ltd filed Critical CRRC Dalian Co Ltd
Priority to CN202111302127.5A priority Critical patent/CN113844474B/en
Publication of CN113844474A publication Critical patent/CN113844474A/en
Application granted granted Critical
Publication of CN113844474B publication Critical patent/CN113844474B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/02Bunkers; Tanks; Tenders; Water or fuel pick-up or scoop apparatus; Water or fuel supply fittings

Abstract

The invention provides an anti-loose and anti-drop structure for mounting a fuel tank of a locomotive, which is used for mounting seats of the fuel tank on a vehicle body hanging seat of a vehicle body underframe, at least two groups of the mounting seats are arranged and distributed on two sides of the mounting seats, and the anti-loose and anti-drop structure comprises: the anti-loosening structure comprises at least two anti-loosening structures and an anti-loosening structure, wherein the anti-loosening structure is positioned between the two anti-loosening structures; the locking structure adopts the spiro union mode to realize the locking between mount pad and automobile body hanging seat and is connected, anti-disengaging structure is used for realizing that the anticreep between mount pad and automobile body hanging seat is connected. The invention can effectively avoid the risk of dropping the locomotive suspension fuel tank, plays the role of preventing looseness and dropping and ensures the running safety of the train.

Description

Anti-loosening and anti-falling structure for installation of locomotive fuel tank
Technical Field
The invention relates to the technical field of fuel tanks, in particular to an anti-loose and anti-falling structure for mounting a locomotive fuel tank.
Background
The diesel locomotive is used for railway train traction, fuel oil is used as power, a fuel tank is usually hung and installed below a locomotive body, and installation seats are arranged at two ends of the fuel tank for the diesel locomotive in an under-locomotive hanging installation mode. For safety, the under-vehicle mounting component is usually required to be designed to prevent looseness and drop. But the fuel tank is designed by combining looseness prevention and drop prevention.
Disclosure of Invention
The technical problem that the existing fuel tank provided by the method is rarely provided with a combined anti-loose and anti-drop design is solved, and an anti-loose and anti-drop structure for mounting the fuel tank of the locomotive is provided. The anti-loosening and anti-falling device mainly utilizes the anti-loosening structure and the anti-falling structure, so that the anti-loosening and anti-falling between the mounting seat and the car body hanging seat are realized.
The technical means adopted by the invention are as follows:
the utility model provides a locking anti-disengaging structure of locomotive fuel tank installation for install the mount pad of fuel tank on the automobile body hanger bracket of automobile body chassis, be equipped with two sets ofly at least, distribute in the mount pad both sides, include: the anti-loosening structure comprises at least two anti-loosening structures and an anti-loosening structure, wherein the anti-loosening structure is positioned between the two anti-loosening structures;
the locking structure adopts the spiro union mode to realize the locking between mount pad and automobile body hanging seat and is connected, anti-disengaging structure is used for realizing that the anticreep between mount pad and automobile body hanging seat is connected.
Furthermore, the anti-falling structure is a high-strength groove-shaped anti-falling structure and consists of an upper plate, a lower plate and a vertical plate, wherein the upper side and the lower side of the vertical plate are respectively connected with the upper plate and the lower plate, and a through notch is formed between the upper plate and the lower plate;
the upper plate and the lower plate are respectively provided with a first through hole and a second through hole; the first through hole and the second through hole are coaxial, the inner parts of the first through hole and the second through hole are simultaneously matched and connected with a fixing pin, and a split pin is inserted below the fixing pin to prevent the fixing pin from jumping off;
the anti-disengaging structure left-hand thread is on mount pad and automobile body hanging seat, contains mount pad and automobile body hanging seat in running through the notch to through the fixed pin with anti-disengaging structure fixed mounting on the automobile body hanging seat, the fixed pin passes upper plate, automobile body hanging seat, mount pad and hypoplastron in proper order and carries out fixed connection.
Furthermore, the anti-falling structure is a U-shaped anti-falling block formed by integrally casting an upper plate, a lower plate and a vertical plate.
Furthermore, the outer walls of the upper plate, the lower plate and the vertical plate are provided with reinforcing ribs.
Furthermore, at least two reinforcing ribs are arranged and are in a U shape, the axial surface of each reinforcing rib is parallel to the middle axial surface of the anti-falling structure, and the U-shaped openings of the reinforcing ribs are consistent with the opening direction of the through notches.
Further, the upper plate and the lower plate are both perpendicular to the vertical plate.
Furthermore, the anti-loosening structure is composed of a high-pretightening-force bolt, a flat washer, a nut, a spring washer and a flat washer which are sequentially arranged, coaxial through holes are formed in the mounting seat and the vehicle body hanging seat, the bolt is firstly penetrated and installed with the flat washer and then is screwed into the through holes from bottom to top, the other end of the through hole is connected with the nut, the bolt sequentially penetrates through the mounting seat and the vehicle body hanging seat, the spring washer and the flat washer are sequentially installed between the nut and the upper wall of the vehicle body hanging seat from top to bottom, and after the nut is screwed down, a bolt head of the bolt and the flat washer are tightly propped against the lower wall of the mounting seat.
Compared with the prior art, the invention has the following advantages:
1. the anti-loose and anti-drop structure for mounting the locomotive fuel tank can effectively avoid the risk of dropping the locomotive hanging fuel tank, plays the role of anti-loose and anti-drop and ensures the running safety of a train.
2. The invention provides an anti-loose and anti-drop structure for mounting a fuel tank of a locomotive, which is a high-strength anti-drop structure.
In conclusion, the technical scheme of the invention can solve the problem that the existing fuel tank is rarely designed to be anti-loose and anti-dropping.
Based on the reason, the anti-loosening and anti-falling device can be widely popularized in the fields of anti-loosening and anti-falling of the fuel tank and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the anti-separation structure of the present invention.
Fig. 3 is a left side view of the anti-separation structure of the present invention.
Fig. 4 is a rear view of the anti-separation structure of the present invention.
Fig. 5 is a top view of the anti-separation structure of the present invention.
Fig. 6 is a partial structural schematic diagram of the present invention.
In the figure: 1. a vehicle body underframe; 2. a fuel tank; 3. a mounting seat; 4. an anti-falling structure; 5. a bolt; 6. a nut; 7. a spring washer; 8. a flat washer.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 6, the invention provides an anti-loose and anti-drop structure for mounting a fuel tank of a locomotive, which is used for mounting a mounting seat 3 of a fuel tank 2 on a vehicle body hanging seat of a vehicle body underframe 1, at least two groups of mounting seats are arranged and distributed on two sides of the mounting seat 3, and the anti-loose and anti-drop structure comprises: the anti-loosening structure comprises at least two anti-loosening structures and an anti-loosening structure 4, wherein the anti-loosening structure 4 is positioned between the two anti-loosening structures; anti-loosening structure adopts the spiro union mode to realize the locking between mount pad 3 and automobile body hanging seat and is connected, anti-disengaging structure 4 is used for realizing that the anticreep between mount pad 3 and automobile body hanging seat is connected. The anti-disengaging structure can prevent the fuel tank from dropping, and then protect the operation safety of the locomotive.
As a preferred embodiment, the anti-falling structure 4 is a high-strength groove-shaped anti-falling structure 4 and consists of an upper plate, a lower plate and a vertical plate, wherein the upper side and the lower side of the vertical plate are respectively connected with the upper plate and the lower plate, and a through notch is formed between the upper plate and the lower plate;
the upper plate and the lower plate are respectively provided with a first through hole and a second through hole; the first through hole and the second through hole are coaxial, and are simultaneously matched and connected with a fixing pin inside;
anti-disengaging structure 4 left-hand thread is on mount pad 3 and automobile body hanging seat, contains mount pad 3 and automobile body hanging seat in running through the notch to through fixed pin with anti-disengaging structure 4 fixed mounting on automobile body hanging seat, the fixed pin passes upper plate, automobile body hanging seat, mount pad 3 and hypoplastron in proper order and carries out fixed connection, and the split pin alternates in the fixed pin below, prevents that the fixed pin from jumping out.
In a preferred embodiment, the anti-separation structure 4 is a U-shaped anti-separation block integrally formed by precision casting an upper plate, a lower plate and a vertical plate, and is a high-strength anti-separation structure, wherein the fuel tank mounting seat and the vehicle body hanging seat are clamped in the anti-separation block, and the anti-separation is realized by inserting a fixed pin in a combined mode.
In a preferred embodiment, the outer walls of the upper plate, the lower plate and the vertical plate are provided with reinforcing ribs.
As a preferable embodiment, at least two reinforcing ribs are provided and are U-shaped, wherein an axial surface is parallel to a central axial surface of the anti-falling structure 4, and a U-shaped opening of each reinforcing rib is in the same direction as an opening of the through notch.
In a preferred embodiment, the upper plate and the lower plate are both disposed perpendicular to the riser.
As a preferred embodiment, the anti-loose structure is composed of a high pre-tightening force bolt 5, a flat washer 8, a nut 6, a spring washer 7 and a flat washer 8 which are sequentially arranged, coaxial through holes are formed in the mounting base 3 and the car body hanging base, the bolt 5 is firstly provided with the flat washer 8 in a penetrating mode and then screwed into the through holes from bottom to top, the other end extending out of the through hole is connected with the nut 6, the bolt 5 sequentially penetrates through the mounting base 3 and the car body hanging base, the spring washer 7 and the flat washer 8 are sequentially arranged between the nut 6 and the upper wall of the car body hanging base from top to bottom, and after the nut 6 is screwed down, the bolt head of the bolt 5 and the flat washer 8 are tightly pressed against the lower wall of the mounting base 3. The fuel tank can be fixedly installed on a reserved installation hanging seat (a vehicle body hanging seat) through the bolts, the nuts, the flat washers and the spring washers. The spring washer mainly plays a role in looseness prevention, and the high-pretightening-force bolt and the high-pretightening-force nut play a role in fastening and looseness prevention. When the locomotive running track is not smooth and other reasons occur, corresponding impact and vibration can be generated in the locomotive running process, the locomotive is in threaded fastening connection for a long time under the condition, the looseness prevention of the spring washer has certain risk, and the separation of the bolt and the nut can be possibly caused so that the fuel tank is loosened. Therefore, the anti-loosening structure of the invention has the function of preventing the risk of loosening of the bolt fastening connection.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a locking anti-disengaging structure of locomotive fuel tank installation which characterized in that for install mount pad (3) of fuel tank (2) on the automobile body hanger bracket of automobile body chassis (1), be equipped with two sets ofly at least, distribute in mount pad (3) both sides, include: the anti-loosening structure comprises at least two anti-loosening structures and an anti-loosening structure (4), wherein the anti-loosening structure (4) is positioned between the two anti-loosening structures;
anti-loosening structure adopts the spiro union mode to realize that locking between mount pad (3) and automobile body hanging seat is connected, anti-disengaging structure (4) are used for realizing that the anticreep between mount pad (3) and automobile body hanging seat is connected.
2. The locomotive fuel tank installation anti-loose and anti-drop structure as claimed in claim 1, wherein the anti-drop structure (4) is a high-strength groove-shaped anti-drop structure (4) which is composed of an upper plate, a lower plate and a vertical plate, wherein the upper side and the lower side of the vertical plate are respectively connected with the upper plate and the lower plate, and a through notch is formed between the upper plate and the lower plate;
the upper plate and the lower plate are respectively provided with a first through hole and a second through hole; the first through hole and the second through hole are coaxial, and are simultaneously matched and connected with a fixing pin inside;
anti-disengaging structure (4) left-hand thread is on mount pad (3) and automobile body hanging seat, contains mount pad (3) and automobile body hanging seat in running through the notch to through the fixed pin with anti-disengaging structure (4) fixed mounting on automobile body hanging seat, the fixed pin passes upper plate, automobile body hanging seat, mount pad (3) and hypoplastron in proper order and carries out fixed connection, and the fixed pin below interlude split pin prevents that the fixed pin from jumping to take off.
3. The locomotive fuel tank installation anti-loose and anti-drop structure as claimed in claim 2, wherein the anti-drop structure (4) is a U-shaped anti-drop block integrally formed by fine casting an upper plate, a lower plate and a vertical plate.
4. The locomotive fuel tank installation anti-loose and anti-drop structure as claimed in claim 2 or 3, wherein the outer walls of the upper plate, the lower plate and the vertical plate are provided with reinforcing ribs.
5. The locomotive fuel tank installation anti-loose and anti-drop structure as claimed in claim 4, wherein at least two reinforcing ribs are provided, and the reinforcing ribs are U-shaped, wherein the axial plane is parallel to the central axial plane of the anti-drop structure (4), and the U-shaped openings of the reinforcing ribs are in the same direction as the openings of the through notches.
6. The locomotive fuel tank installation anti-loose and anti-drop structure according to claim 4, wherein the upper plate and the lower plate are both arranged perpendicular to the vertical plate.
7. The locomotive fuel tank installation anti-loose and anti-drop structure according to claim 1, characterized in that the anti-loose structure is composed of a high pre-tightening force bolt (5), a flat washer (8), a nut (6), a spring washer (7) and a flat washer (8) which are sequentially arranged, coaxial through holes are formed in the installation seat (3) and the vehicle body hanging seat, the bolt (5) is firstly provided with the flat washer (8) in a penetrating manner, then is screwed into the through hole from bottom to top, the other end of the through hole extends out to be connected with the nut (6), the bolt (5) sequentially penetrates through the installation seat (3) and the vehicle body hanging seat, the spring washer (7) and the flat washer (8) are sequentially installed between the nut (6) and the upper wall of the vehicle body hanging seat from top to bottom, and after the nut (6) is screwed, the bolt head of the bolt (5) and the flat washer (8) are tightly propped against the lower wall of the installation seat (3).
CN202111302127.5A 2021-11-04 2021-11-04 Anti-loosening structure for locomotive fuel tank installation Active CN113844474B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111302127.5A CN113844474B (en) 2021-11-04 2021-11-04 Anti-loosening structure for locomotive fuel tank installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111302127.5A CN113844474B (en) 2021-11-04 2021-11-04 Anti-loosening structure for locomotive fuel tank installation

Publications (2)

Publication Number Publication Date
CN113844474A true CN113844474A (en) 2021-12-28
CN113844474B CN113844474B (en) 2024-02-02

Family

ID=78984064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111302127.5A Active CN113844474B (en) 2021-11-04 2021-11-04 Anti-loosening structure for locomotive fuel tank installation

Country Status (1)

Country Link
CN (1) CN113844474B (en)

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11278069A (en) * 1998-03-30 1999-10-12 Isuzu Motors Ltd Fuel tank installation structure of lpg engine-mounted vehicle
KR20110060146A (en) * 2009-11-30 2011-06-08 현대자동차주식회사 Suspension for vehicle
CN201923135U (en) * 2010-12-14 2011-08-10 南车资阳机车有限公司 Fuel tank mounting base for diesel locomotive
CN202200988U (en) * 2011-08-30 2012-04-25 南车资阳机车有限公司 Whole lifting structure for bogie
CN202952982U (en) * 2012-12-05 2013-05-29 南车青岛四方机车车辆股份有限公司 Novel oil tank lifting socket of railway vehicle
WO2013088472A1 (en) * 2011-12-14 2013-06-20 川崎重工業株式会社 Hanging bolt and interior structure for railway vehicle
CN203472879U (en) * 2013-09-27 2014-03-12 齐齐哈尔轨道交通装备有限责任公司 Falling-prevention air cylinder hanging base of railway freight car and railway freight car
CN203601276U (en) * 2013-12-20 2014-05-21 南车株洲电力机车有限公司 Anti-falling-off seat for chassis equipment
CN203946105U (en) * 2014-07-23 2014-11-19 齐齐哈尔轨道交通装备有限责任公司 Rail wagon base frame and brake activation valve flap seat thereof
CN106347401A (en) * 2016-09-22 2017-01-25 中车南京浦镇车辆有限公司 Underframe equipment hanging support capable of preventing falling and looseness as well as hanging structure
CN206231384U (en) * 2016-11-21 2017-06-09 中车株洲电力机车有限公司 A kind of low-floor rail vehicle fuel tank installs safeguard structure
CN107264545A (en) * 2017-07-19 2017-10-20 宝鸡中车时代工程机械有限公司 Combination gas fuel tank for track engineering vehicle
CN108046109A (en) * 2017-12-08 2018-05-18 中车唐山机车车辆有限公司 Hanging device and vehicle under vehicle
CN207875632U (en) * 2018-01-02 2018-09-18 中车株洲电力机车有限公司 The anti-drop device of equipment mounting base under a kind of rail vehicle
CN109109874A (en) * 2018-08-21 2019-01-01 中车南京浦镇车辆有限公司 Chassis apparatus Holder for hanging household utensiles
US20190047424A1 (en) * 2017-08-14 2019-02-14 Fuji Electric Co., Ltd. Power converter
CN210011752U (en) * 2019-06-21 2020-02-04 盐城华智超轨道科技有限公司 Support mechanism is hung to locking chassis equipment of track traffic
CN210554803U (en) * 2019-07-29 2020-05-19 中车青岛四方机车车辆股份有限公司 Equipment compartment protection plate mounting seat, mounting structure, equipment compartment structure and railway vehicle
CN112026819A (en) * 2020-09-10 2020-12-04 中车青岛四方机车车辆股份有限公司 Internal combustion motor train unit
CN212423091U (en) * 2020-04-22 2021-01-29 株洲中车时代电气股份有限公司 Rail transit vehicle cabinet body hanging assembly and cabinet body

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11278069A (en) * 1998-03-30 1999-10-12 Isuzu Motors Ltd Fuel tank installation structure of lpg engine-mounted vehicle
KR20110060146A (en) * 2009-11-30 2011-06-08 현대자동차주식회사 Suspension for vehicle
CN201923135U (en) * 2010-12-14 2011-08-10 南车资阳机车有限公司 Fuel tank mounting base for diesel locomotive
CN202200988U (en) * 2011-08-30 2012-04-25 南车资阳机车有限公司 Whole lifting structure for bogie
WO2013088472A1 (en) * 2011-12-14 2013-06-20 川崎重工業株式会社 Hanging bolt and interior structure for railway vehicle
CN202952982U (en) * 2012-12-05 2013-05-29 南车青岛四方机车车辆股份有限公司 Novel oil tank lifting socket of railway vehicle
CN203472879U (en) * 2013-09-27 2014-03-12 齐齐哈尔轨道交通装备有限责任公司 Falling-prevention air cylinder hanging base of railway freight car and railway freight car
CN203601276U (en) * 2013-12-20 2014-05-21 南车株洲电力机车有限公司 Anti-falling-off seat for chassis equipment
CN203946105U (en) * 2014-07-23 2014-11-19 齐齐哈尔轨道交通装备有限责任公司 Rail wagon base frame and brake activation valve flap seat thereof
CN106347401A (en) * 2016-09-22 2017-01-25 中车南京浦镇车辆有限公司 Underframe equipment hanging support capable of preventing falling and looseness as well as hanging structure
CN206231384U (en) * 2016-11-21 2017-06-09 中车株洲电力机车有限公司 A kind of low-floor rail vehicle fuel tank installs safeguard structure
CN107264545A (en) * 2017-07-19 2017-10-20 宝鸡中车时代工程机械有限公司 Combination gas fuel tank for track engineering vehicle
US20190047424A1 (en) * 2017-08-14 2019-02-14 Fuji Electric Co., Ltd. Power converter
CN108046109A (en) * 2017-12-08 2018-05-18 中车唐山机车车辆有限公司 Hanging device and vehicle under vehicle
CN207875632U (en) * 2018-01-02 2018-09-18 中车株洲电力机车有限公司 The anti-drop device of equipment mounting base under a kind of rail vehicle
CN109109874A (en) * 2018-08-21 2019-01-01 中车南京浦镇车辆有限公司 Chassis apparatus Holder for hanging household utensiles
WO2020037773A1 (en) * 2018-08-21 2020-02-27 中车南京浦镇车辆有限公司 Underframe equipment suspension seat
CN210011752U (en) * 2019-06-21 2020-02-04 盐城华智超轨道科技有限公司 Support mechanism is hung to locking chassis equipment of track traffic
CN210554803U (en) * 2019-07-29 2020-05-19 中车青岛四方机车车辆股份有限公司 Equipment compartment protection plate mounting seat, mounting structure, equipment compartment structure and railway vehicle
CN212423091U (en) * 2020-04-22 2021-01-29 株洲中车时代电气股份有限公司 Rail transit vehicle cabinet body hanging assembly and cabinet body
CN112026819A (en) * 2020-09-10 2020-12-04 中车青岛四方机车车辆股份有限公司 Internal combustion motor train unit

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
杜冰等: "动车组车下设备防松防脱结构分析", 现代制造技术与装备, no. 4, pages 138 - 139 *
王小霞等: "城轨车下设备吊挂方式及紧固件应用", 科技创新与应用, no. 19, pages 113 - 115 *
程忠海;陈玉清;: "新型防松止脱紧固装置", 机车车辆工艺, no. 04, pages 37 - 38 *

Also Published As

Publication number Publication date
CN113844474B (en) 2024-02-02

Similar Documents

Publication Publication Date Title
CN113844474A (en) Anti-loosening and anti-falling structure for installation of locomotive fuel tank
CN106379360A (en) Suspended beam structure for heavy equipment chassis
CN109050667A (en) A kind of car fastening soft connection device
CN210011752U (en) Support mechanism is hung to locking chassis equipment of track traffic
CN210082936U (en) Aluminum alloy fuel tank assembly for heavy truck
CN211139310U (en) Hoisting structure under car
CA3085641C (en) Railcar truck bolster
CN111845833B (en) Emergency connecting device for railway wagon and mounting structure thereof
CN208978798U (en) Vehicle rear and engineering truck
CN214523842U (en) Car light anticreep mounting structure, rail vehicle ornament lamp and rail vehicle
CN215663406U (en) Anti-drop adjusting device for fuel tank
CN114771598B (en) Locomotive wheel rim lubricator
CN107628043B (en) Rail vehicle apron board and mounting method
CN106314452B (en) Stucco structure and vehicle with it
CN206106850U (en) Van axle distance rod device
CN219575927U (en) Urban rail vehicle-mounted antenna mounting structure
CN218266730U (en) Balanced suspension locknut
CN205439954U (en) Engine mounting after -poppet
CN213973969U (en) Tank installation fixing structure
CN214533151U (en) Urea case and support assembly
CN219635206U (en) Rail vehicle chassis boundary beam section bar, chassis and rail vehicle
CN217735171U (en) Locking adjustable couple of door
CN218172246U (en) Anti-disengaging structure for installation of equipment under rail vehicle
CN201494464U (en) Falling-proof installation component for brake cylinder of railway truck
CN210510119U (en) Buffer cushion for automobile fuel tank

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20220505

Address after: 100844 Fuxing Road 10, Beijing, Haidian District

Applicant after: China National Railway Group Co.,Ltd.

Applicant after: CRRC DALIAN Co.,Ltd.

Address before: 116000 No. 51, Zhongchang street, Shahekou District, Dalian City, Liaoning Province

Applicant before: CRRC DALIAN Co.,Ltd.

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant