CN108487350A - A kind of machinery bogie frame - Google Patents
A kind of machinery bogie frame Download PDFInfo
- Publication number
- CN108487350A CN108487350A CN201810331486.5A CN201810331486A CN108487350A CN 108487350 A CN108487350 A CN 108487350A CN 201810331486 A CN201810331486 A CN 201810331486A CN 108487350 A CN108487350 A CN 108487350A
- Authority
- CN
- China
- Prior art keywords
- bogie frame
- axis
- block
- sliding block
- sliding
- 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
Links
- 239000007787 solid Substances 0.000 claims 1
- 239000000872 buffer Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000412 dendrimer Substances 0.000 description 2
- 229920000736 dendritic polymer Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Handcart (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The present invention provides a kind of mechanical bogie frames, including body frame and the bogie frame for being symmetrically placed in its both sides, bogie frame lateral surface is equipped with symmetrical fixing axle, fixed shaft end is equipped with sliding block, the upper and lower ends fixed support plate of sliding rail, axis is equipped with across two support plates of sliding block, it is respectively placed in the support plate at both ends and sliding block across the spring of axis, the vertical and straight movement block of clearance fit is additionally provided with across axis, locating piece is equipped at the symmetrical centre of two fixing axles of the same side, locating piece is equipped with limited block, body frame side wall is provided with groove, limited block is placed in groove and is slidably connected with it.A kind of mechanical bogie frame of the present invention, structure design is simple, by the way that flexible buffer device will be devised on bogie frame side, realize flexible connection, structural stability is preferable, can adapt to different road conditions, and stationarity is preferable, and it is more durable compared to the structure being welded, reduce the maintenance cost in later stage.
Description
Technical field
The invention belongs to engineering machinery fields, more particularly, to a kind of mechanical bogie frame.
Background technology
Currently, bull-dozer bogie frame structure is to use flange steel, the structure that both sides are surrounded with steel plate, and and body frame using upper and lower
Using the form being directly welded and fixed when connection, and for the stability of reinforcement structure, multiple add is welded between being typically employed in
The form of strengthening tendons realizes that such form more expends material, it is necessary to ensure preferable welding effect, but lower be easy is used for a long time
Deformation, maintenance cost is higher, and when in use, and rigidity is larger between each section, and adaptability is poor on rugged road, holds
It easily jolts, stationarity is poor.For such situation, the present invention proposes a kind of mechanical bogie frame, and structure design is simple, pass through by
Flexible buffer device is devised on bogie frame side, realizes flexible connection, and structural stability is preferable, can adapt to different roads
Condition, stationarity is preferable, and more durable compared to the structure being welded, and reduces the maintenance cost in later stage.
Invention content
In view of this, the present invention is directed to propose a kind of machinery bogie frame, structure design is simple, by will be set on bogie frame side
Flexible buffer device have been counted, flexible connection is realized, structural stability is preferable, can adapt to different road conditions, and stationarity is preferable,
And it is more durable compared to the structure being welded, reduce the maintenance cost in later stage.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of machinery bogie frame, including body frame and the bogie frame for being symmetrically placed in its both sides, the bogie frame is close to the master
The lateral surface of the side of frame is equipped with symmetrical fixing axle, and the fixed shaft end is equipped with sliding block, and the body frame side wall is provided with and institute
The sliding rail that sliding block is slidably matched is stated, the upper and lower ends fixed support plate of the sliding rail passes through two supports of the sliding block
It is equipped with axis between plate, is respectively placed in the support plate at both ends and the sliding block across the spring of the axis, passes through described
Axis is additionally provided with the vertical and straight movement block of clearance fit, and the vertical and straight movement block is respectively placed between the spring and the sliding block, together
Locating piece is equipped at the symmetrical centre of two fixing axles of side, the locating piece is equipped with limited block, the body frame side
Wall is provided with groove, and the limited block is placed in the groove and is slidably connected with it.
Further, the both sides of the vertical and straight movement block are arranged with L-shaped fixed frame, the other end of the L-shaped fixed frame
Fixed sliding shoe, the sliding shoe are placed on the guide rail being slidably matched with it.
Further, the both ends of the guide rail are fixed by limiting plate, the glide direction of the sliding block and the sliding shoe
Glide direction it is parallel.
Further, the axis of the spring is overlapped with the axis of the axis, the axis of the spring and the sliding block
Glide direction is parallel.
Further, the sliding distance of the sliding shoe is placed within the scope of the corresponding spring move distance,
The plane and the axis of the spring of the vertical and straight movement block and shoe contact are mutually perpendicular to.
Further, the locating piece end is fixed on the branch by the strut of support plate connected symmetrical dendrimer, the limited block
Boom end, the limited block are slidably connected with the groove.
Further, the height of the groove is placed within the maximum moving distance of the sliding block, the cunning of the limited block
Dynamic direction is parallel with the glide direction of the sliding block.
Further, the square structure that the bogie frame is integrally formed.
Compared with the existing technology, a kind of mechanical bogie frame of the present invention has the advantage that：
(1) a kind of mechanical bogie frame of the present invention, structure design is simple, by will devise flexibility on bogie frame side
Buffer unit realizes flexible connection, and structural stability is preferable, can adapt to different road conditions, and stationarity is preferable, and compared to weldering
Structure made of connecing is more durable, reduces the maintenance cost in later stage.
(2) a kind of mechanical bogie frame of the present invention, carries out limit by both ends symmetrical structure and adds vertical direction
It buffers, and the intermediate further limit to vertical buffer distance, mutual cooperation between each structure ensures preferable slow
Effect is rushed, realizes that stationarity is preferable, more durable to the Effec-tive Function of different road conditions in motion process.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is a kind of mechanical stage body frame structure for automotive schematic diagram described in the embodiment of the present invention；
Fig. 2 is a kind of mechanical bogie frame partial enlarged view described in the embodiment of the present invention.
Reference sign：
1- bogie frames；2- fixing axles；3- body frames；4- grooves；5- limited blocks；6- struts；7- support plates；8- locating pieces；9- is slided
Rail；10- support plates；11- limiting plates；12- springs；13- vertical and straight movement blocks；14- sliding blocks；15-L shape fixed frames；16- sliding shoes；
17- guide rails.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of mechanical bogie frame as shown in Figure 1, including body frame 3 and the bogie frame 1 for being symmetrically placed in its both sides, the bogie frame
1 lateral surface close to the side of the body frame 3 is equipped with symmetrical fixing axle 2, and 2 end of the fixing axle is equipped with sliding block 14, described
3 side wall of body frame is provided with the sliding rail 9 being slidably matched with the sliding block 14, and the upper and lower ends fixed support plate 10 of the sliding rail 9 passes through
It is equipped with axis between two support plates 10 of the sliding block 14, the branch at both ends is respectively placed in across the spring 12 of the axis
Between fagging 10 and the sliding block 14, the vertical and straight movement block 13 of clearance fit, the vertical and straight movement block are additionally provided with across the axis
13 are respectively placed between the spring 12 and the sliding block 14, are equipped at the symmetrical centre of two fixing axles 2 of the same side
Locating piece 8, the locating piece 8 are equipped with limited block 5, and 3 side wall of the body frame is provided with groove 4, and the limited block 5 is placed in described recessed
It is slidably connected with it in slot 4.
Wherein, the both sides of the vertical and straight movement block 13 are arranged with L-shaped fixed frame 15, the L-shaped fixed frame 15 it is another
The fixed sliding shoe 16 in end, the sliding shoe 16 are placed on the guide rail 17 being slidably matched with it.
Wherein, the both ends of the guide rail 17 are fixed by limiting plate 11, the glide direction of the sliding block 14 and the sliding
The glide direction of block 16 is parallel.
Wherein, the axis of the spring 12 is overlapped with the axis of the axis, the axis of the spring 12 and the sliding block 14
Glide direction it is parallel.
Wherein, the sliding distance of the sliding shoe 16 is placed within 12 elastic movement distance range of the corresponding spring,
The plane and the axis of the spring 12 that the vertical and straight movement block 13 is contacted with sliding block 14 are mutually perpendicular to.
Wherein, 8 end of the locating piece is fixed on the branch by the strut 6 of 7 connected symmetrical dendrimer of support plate, the limited block 5
6 end of bar, the limited block 5 are slidably connected with the groove 4.
Wherein, the height of the groove 4 is placed within the maximum moving distance of the sliding block 14, the cunning of the limited block 5
Dynamic direction is parallel with the glide direction of the sliding block 14.
Wherein, the square structure that the bogie frame 1 is integrally formed.
The specific implementation mode of the present invention：Each section connection is finished, the whole other structure divisions for being packed into bull-dozer,
During exercise, the ground of road injustice is encountered, when movement, sliding block 14 drives 13 push the spring 12 of vertical and straight movement block to move up and down,
It is limited, reduction shifts, and improves kinematic accuracy, the larger situation of hollow on ground, in order to ensure bull-dozer
Overall stiffness will further limit its vertical direction, during the motion, further to ensure by the design of limited block 5
The limit of up and down motion ensures preferable stablizing effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of machinery bogie frame, it is characterised in that：Including body frame and the bogie frame for being symmetrically placed in its both sides, the bogie frame leans on
The lateral surface of the side of the nearly body frame is equipped with symmetrical fixing axle, and the fixed shaft end is equipped with sliding block, the body frame side wall
It is provided with the sliding rail being slidably matched with the sliding block, the upper and lower ends fixed support plate of the sliding rail passes through two of the sliding block
It is equipped with axis between the support plate, is respectively placed in the support plate at both ends and the sliding block across the spring of the axis,
The vertical and straight movement block of clearance fit is additionally provided with across the axis, the vertical and straight movement block is respectively placed in the spring and the sliding block
Between, locating piece is equipped at the symmetrical centre of two fixing axles of the same side, the locating piece is equipped with limited block, described
Body frame side wall is provided with groove, and the limited block is placed in the groove and is slidably connected with it.
2. a kind of mechanical bogie frame according to claim 1, it is characterised in that：The both sides of the vertical and straight movement block are symmetrically set
There are L-shaped fixed frame, the other end of the L-shaped fixed frame to fix sliding shoe, the sliding shoe is placed in the guide rail being slidably matched with it
On.
3. a kind of mechanical bogie frame according to claim 2, it is characterised in that：The both ends of the guide rail are solid by limiting plate
Fixed, the glide direction of the sliding block is parallel with the glide direction of the sliding shoe.
4. a kind of mechanical bogie frame according to claim 3, it is characterised in that：The axis of the axis of the spring and the axis
Line overlaps, and the axis of the spring is parallel with the glide direction of the sliding block.
5. a kind of mechanical bogie frame according to claim 4, it is characterised in that：The sliding distance of the sliding shoe is placed in pair
Within the scope of the spring move distance answered, the axis of the plane and the spring of the vertical and straight movement block and shoe contact
Line is mutually perpendicular to.
6. a kind of mechanical bogie frame according to claim 5, it is characterised in that：The locating piece end is connected by support plate
Symmetrical strut, the limited block are fixed on the strut ends, and the limited block is slidably connected with the groove.
7. a kind of mechanical bogie frame according to claim 6, it is characterised in that：The height of the groove is placed in the sliding block
Maximum moving distance within, the glide direction of the limited block is parallel with the glide direction of the sliding block.
8. a kind of mechanical bogie frame according to claim 7, it is characterised in that：The bogie frame is integrally formed rectangular
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331486.5A CN108487350B (en) | 2018-04-13 | 2018-04-13 | Mechanical bogie frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331486.5A CN108487350B (en) | 2018-04-13 | 2018-04-13 | Mechanical bogie frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108487350A true CN108487350A (en) | 2018-09-04 |
| CN108487350B CN108487350B (en) | 2023-11-21 |
Family
ID=63315730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810331486.5A Active CN108487350B (en) | 2018-04-13 | 2018-04-13 | Mechanical bogie frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108487350B (en) |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB930954A (en) * | 1961-04-11 | 1963-07-10 | Hans Hagelstein | Improvements in or relating to mechanical loaders |
| US4031968A (en) * | 1975-10-28 | 1977-06-28 | Caterpillar Tractor Co. | Cushioned push dozer device |
| US5044098A (en) * | 1989-11-27 | 1991-09-03 | Berghefer Ray A | Implement interface |
| CN2174389Y (en) * | 1993-10-23 | 1994-08-17 | 杨树本 | Crawler belt device matched with walking tractor |
| US5343960A (en) * | 1992-09-08 | 1994-09-06 | Les Equipements Industriels | Caterpillar track attachment |
| CN1336468A (en) * | 2000-07-28 | 2002-02-20 | 胡明登 | Self-propelled catepillar carry-scraper |
| CN2506700Y (en) * | 2001-09-14 | 2002-08-21 | 三一重工股份有限公司 | Bulldozer suspension device |
| US20050060918A1 (en) * | 2002-06-14 | 2005-03-24 | Motonari Inaoka | Semi tracked-type working vehicle |
| CN1869343A (en) * | 2005-05-26 | 2006-11-29 | 东一胶带株式会社 | Undercarriage having shock absorption function |
| CN202378982U (en) * | 2011-12-28 | 2012-08-15 | 山推工程机械股份有限公司 | Variable grounding specific pressure walking device of bulldozer |
| CN102817386A (en) * | 2012-09-17 | 2012-12-12 | 三一重通机械有限公司 | Connecting structure of bulldozer pivot and bogie frame as well as bulldozer |
| CN102979119A (en) * | 2012-12-19 | 2013-03-20 | 徐州宇家化工科技有限公司 | Damping mechanism of land leveler working device |
| CN203296093U (en) * | 2013-06-26 | 2013-11-20 | 山推工程机械股份有限公司 | Integral frame assembly for bulldozer |
| CN104015804A (en) * | 2014-06-16 | 2014-09-03 | 天津柳工机械有限公司 | Three-section type semi-rigid pivot bogie frame of bulldozer |
| CN204023649U (en) * | 2014-06-16 | 2014-12-17 | 天津柳工机械有限公司 | The sliding track mechanism that bulldozer mainframe is connected with chassis |
| CN204023648U (en) * | 2014-06-16 | 2014-12-17 | 天津柳工机械有限公司 | The syndeton of equalizer bar and bogie frame in bulldozer hitch |
| US20150078871A1 (en) * | 2013-09-13 | 2015-03-19 | Mtd Products Inc | Suspension and lock-out systems for a partially tracked vehicle |
| CN204875905U (en) * | 2015-08-26 | 2015-12-16 | 长安大学 | Push away shovel device and bull -dozer with damping effect |
| CN205311727U (en) * | 2016-01-29 | 2016-06-15 | 中国农业大学 | Light -duty crawler -type agricultural robot moving platform with shock -absorbing function |
| US20160319508A1 (en) * | 2013-12-24 | 2016-11-03 | Doherty Engineered Attachments Limited | Improvements to couplers |
| CN206205020U (en) * | 2016-11-18 | 2017-05-31 | 浙江海洋大学东海科学技术学院 | A kind of crawler dozer |
| CN206218042U (en) * | 2016-11-22 | 2017-06-06 | 哈尔滨理工大学 | A kind of deformable caterpillar system of caterpillar type robot |
| CN206625266U (en) * | 2017-03-01 | 2017-11-10 | 海泰建设有限公司 | A kind of bull-dozer |
| CN107554632A (en) * | 2017-08-14 | 2018-01-09 | 安徽富林农业机械装备有限公司 | A kind of bull-dozer crawler attachment with damping efficacy |
| CN208309666U (en) * | 2018-04-13 | 2019-01-01 | 新兴移山（天津）重工有限公司 | A kind of machinery bogie frame |
-
2018
- 2018-04-13 CN CN201810331486.5A patent/CN108487350B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB930954A (en) * | 1961-04-11 | 1963-07-10 | Hans Hagelstein | Improvements in or relating to mechanical loaders |
| US4031968A (en) * | 1975-10-28 | 1977-06-28 | Caterpillar Tractor Co. | Cushioned push dozer device |
| US5044098A (en) * | 1989-11-27 | 1991-09-03 | Berghefer Ray A | Implement interface |
| US5343960A (en) * | 1992-09-08 | 1994-09-06 | Les Equipements Industriels | Caterpillar track attachment |
| CN2174389Y (en) * | 1993-10-23 | 1994-08-17 | 杨树本 | Crawler belt device matched with walking tractor |
| CN1336468A (en) * | 2000-07-28 | 2002-02-20 | 胡明登 | Self-propelled catepillar carry-scraper |
| CN2506700Y (en) * | 2001-09-14 | 2002-08-21 | 三一重工股份有限公司 | Bulldozer suspension device |
| US20050060918A1 (en) * | 2002-06-14 | 2005-03-24 | Motonari Inaoka | Semi tracked-type working vehicle |
| CN1869343A (en) * | 2005-05-26 | 2006-11-29 | 东一胶带株式会社 | Undercarriage having shock absorption function |
| CN202378982U (en) * | 2011-12-28 | 2012-08-15 | 山推工程机械股份有限公司 | Variable grounding specific pressure walking device of bulldozer |
| CN102817386A (en) * | 2012-09-17 | 2012-12-12 | 三一重通机械有限公司 | Connecting structure of bulldozer pivot and bogie frame as well as bulldozer |
| CN102979119A (en) * | 2012-12-19 | 2013-03-20 | 徐州宇家化工科技有限公司 | Damping mechanism of land leveler working device |
| CN203296093U (en) * | 2013-06-26 | 2013-11-20 | 山推工程机械股份有限公司 | Integral frame assembly for bulldozer |
| US20150078871A1 (en) * | 2013-09-13 | 2015-03-19 | Mtd Products Inc | Suspension and lock-out systems for a partially tracked vehicle |
| US20160319508A1 (en) * | 2013-12-24 | 2016-11-03 | Doherty Engineered Attachments Limited | Improvements to couplers |
| CN104015804A (en) * | 2014-06-16 | 2014-09-03 | 天津柳工机械有限公司 | Three-section type semi-rigid pivot bogie frame of bulldozer |
| CN204023649U (en) * | 2014-06-16 | 2014-12-17 | 天津柳工机械有限公司 | The sliding track mechanism that bulldozer mainframe is connected with chassis |
| CN204023648U (en) * | 2014-06-16 | 2014-12-17 | 天津柳工机械有限公司 | The syndeton of equalizer bar and bogie frame in bulldozer hitch |
| CN204875905U (en) * | 2015-08-26 | 2015-12-16 | 长安大学 | Push away shovel device and bull -dozer with damping effect |
| CN205311727U (en) * | 2016-01-29 | 2016-06-15 | 中国农业大学 | Light -duty crawler -type agricultural robot moving platform with shock -absorbing function |
| CN206205020U (en) * | 2016-11-18 | 2017-05-31 | 浙江海洋大学东海科学技术学院 | A kind of crawler dozer |
| CN206218042U (en) * | 2016-11-22 | 2017-06-06 | 哈尔滨理工大学 | A kind of deformable caterpillar system of caterpillar type robot |
| CN206625266U (en) * | 2017-03-01 | 2017-11-10 | 海泰建设有限公司 | A kind of bull-dozer |
| CN107554632A (en) * | 2017-08-14 | 2018-01-09 | 安徽富林农业机械装备有限公司 | A kind of bull-dozer crawler attachment with damping efficacy |
| CN208309666U (en) * | 2018-04-13 | 2019-01-01 | 新兴移山（天津）重工有限公司 | A kind of machinery bogie frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108487350B (en) | 2023-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107933279B (en) | Power battery frame of electric truck | |
| RU160800U1 (en) | TROLLEY AND FREIGHT TRAIN IN WHICH IT IS USED | |
| CN102582645A (en) | Electric transmission bogie for track engineering vehicle | |
| CN201882105U (en) | Novel welding framework type steering frame | |
| CN103029720A (en) | Rail outline and undulatory wear sensor positioning mechanism for tracking central line of top of steel rail | |
| CN108487350A (en) | A kind of machinery bogie frame | |
| CN108797342B (en) | Bridge inspection vehicle and bridge inspection device comprising same | |
| CN201191234Y (en) | Tri-directional rigid test apparatus for railway stock bogie | |
| CN208309666U (en) | A kind of machinery bogie frame | |
| CN102050135B (en) | Novel welding frame-type bogie | |
| CN102673599B (en) | Multifunctional bogie frame device for railway railcar | |
| CN203295066U (en) | Special hoisting equipment | |
| CN208376774U (en) | A kind of railway vehicle bogie frame and bogie | |
| MX2011003915A (en) | Powered bogie. | |
| AU2013401446B2 (en) | Central climbing protection for rail vehicles with additional functions | |
| CN204432672U (en) | A kind of dedicated track flatcar bogie truck being applicable to high-speed rail construction transporting material | |
| RU163410U1 (en) | TROLLEY WITH FRICTION SILENCER FOR OSCILLATIONS FOR A LOAD RAILWAY CAR | |
| CN202574245U (en) | Multifunctional bogie frame device for railway track car | |
| CN212247911U (en) | Bridge reinforcing apparatus | |
| CN109398399B (en) | Variable gauge stabilizing suspension for vehicle | |
| CN207960083U (en) | A kind of track-type facilities and the three-dimensional parking device comprising the track-type facilities | |
| CN202557386U (en) | Low gravity center mixer truck without secondary beam | |
| CN105539479A (en) | Chassis structure of maglev train | |
| RU115743U1 (en) | WEAR-FREE REPLACEABLE ABSORBER OF VIBRATIONS OF BEARING UNIT OF RAILWAY TROLLEY | |
| CN217651532U (en) | Displacement amplification mechanism, air railway turnout and air railway track |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |