CN113085927B - Hopper car end wall structure with high strength - Google Patents
Hopper car end wall structure with high strength Download PDFInfo
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- CN113085927B CN113085927B CN202110537428.XA CN202110537428A CN113085927B CN 113085927 B CN113085927 B CN 113085927B CN 202110537428 A CN202110537428 A CN 202110537428A CN 113085927 B CN113085927 B CN 113085927B
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/06—End walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Transportation (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a hopper car end wall structure with high strength, which relates to the field of hopper car production, and comprises a main body, a connecting mechanism, a supporting mechanism and a mounting mechanism, wherein the main body comprises a bottom plate, and side walls are connected to two sides of the top end of the bottom plate; the connecting mechanism comprises an end wall positioned between two side walls, and one end of the inner wall of each side wall is connected with a limiting plate. According to the invention, when the end wall is installed, the end wall is driven to displace through the crane until the movable block contacts with the top end of the bottom plate to displace, the movable block displaces to drive the connecting column to displace, the connecting column displaces to enter the connecting groove, the end wall rotates, the end wall stops after rotating to contact with the limiting plate, the end wall rotates to contact with the pushing block to drive the pushing block to displace, the pushing block displaces to leave the clamping groove, the sliding plate displaces to the bottom end of the end wall under the action of the elasticity of the displacement spring, and the end wall is fixed, so that the end wall is conveniently pre-connected.
Description
Technical Field
The invention relates to the field of hopper car production, in particular to a hopper car end wall structure with high strength.
Background
The hopper car can be divided into a covered hopper car and a non-covered hopper car for loading cold materials, and the hopper car for loading hot materials, such as a coke quenching car, a hot sintering mine car, a hopper type weighing car and the like, is characterized in that a hopper plate with a certain inclination angle with the horizontal is arranged in the car body for enabling goods to slide down and be discharged by means of dead weight, a discharging door is arranged at the bottom or the side of the car body, and the hopper car comprises an end wall.
However, when the end wall is installed in the use process, the end wall is displaced to a proper position through the crane and then connected with the side wall through rivets, and the end wall is displaced only through the crane, so that the position deviation is easy to cause in the installation process, the installation of the end wall is influenced, and the end wall needs to be pre-connected by a structure; meanwhile, when the supporting rod is damaged, the supporting rod needs to be replaced, and when the supporting rod is replaced, the operation is complex, and the supporting rod needs to be installed quickly by a structure.
Disclosure of Invention
The invention aims at: in order to solve the problems that when the end wall is installed in the use process, the end wall is displaced to a proper position through a crane and then connected with a side wall through rivets, displacement is only carried out through the crane, position deviation is easy to cause in the installation process, the installation of the end wall is influenced, and a structure is needed to pre-connect the end wall; meanwhile, when the supporting rod is damaged, the supporting rod needs to be replaced, the operation is complex, the problem that the supporting rod needs to be quickly installed by a structure is solved, and the hopper car headwall structure with high strength is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a hopper car headwall structure with high strength, includes main part, coupling mechanism, supporting mechanism and installation mechanism, the main part includes the bottom plate, the top both sides of bottom plate are connected with the side wall;
the connecting mechanism comprises an end wall positioned between two side walls, one end of the inner wall of the side wall is connected with a limiting plate, the bottom end of the end wall is connected with a movable block, the outer wall of the movable block is connected with a connecting column, the upper part of the end wall, which is positioned above the connecting column, is connected with a limiting column, a limiting spring is connected between the limiting column and the end wall, the top end of the connecting column is provided with a limiting groove, the inner wall of the side wall is provided with a connecting groove, one side of the inner wall of the side wall, which is positioned in the connecting groove, is connected with a pushing block, one end of the pushing block is connected with a sliding plate, and the inner wall of the sliding plate is connected with a clamping groove.
As still further aspects of the invention: the supporting mechanism comprises a sliding groove positioned at the top end of a bottom plate, the inner wall of the sliding groove is connected with a sliding block, the top end of the sliding block is connected with a connecting seat, the inner wall of the connecting seat is connected with a movable rod, one end of the movable rod is connected with a connecting shaft, the inner wall of the sliding block is connected with a threaded rod, one end of the threaded rod is connected with a rotating disc, one side of the rotating disc is provided with a fixed block, the inner wall of the fixed block is connected with a clamping block, and the outer wall of the end wall is connected with a connecting buckle.
As still further aspects of the invention: the mounting mechanism comprises a mounting seat positioned at the top end of the bottom plate and on one side of the end wall, the top end of the mounting seat is connected with a rotating block, the inner wall of the rotating block is connected with a supporting rod, one end of the supporting rod is connected with a mounting shaft, the outer wall of the end wall is positioned below the connecting buckle and is connected with a mounting plate, the inner wall of the mounting plate is connected with a shielding plate, and a mounting spring is connected between the shielding plate and the mounting plate.
As still further aspects of the invention: the top shape of the movable block is trapezoid, one end of the connecting column is an inclined plane, and the inclined plane of the connecting column is attached to the inclined plane of the movable block.
As still further aspects of the invention: the inner wall of the limit groove is matched with the outer wall of the limit column, the outer wall of the connecting column is matched with the inner wall of the connecting groove, and the shape of the outer wall of the connecting column and the shape of the inner wall of the connecting groove are cylindrical.
As still further aspects of the invention: the outer wall of the pushing block is matched with the inner wall of the clamping groove, the cross section of the sliding plate is triangular, one end of the sliding plate is connected with a displacement spring, and one end of the displacement spring is connected with the side wall.
As still further aspects of the invention: the connecting seat is connected with the movable rod through the rotating shaft, and the outer wall of the connecting shaft is matched with the inner wall of the connecting buckle.
As still further aspects of the invention: the inner wall of slider is provided with the internal thread, the external screw thread of threaded rod agrees with the internal thread of slider, the outer wall of rolling disc is provided with the ratchet, the fixed block is connected through the pivot with the fixture block, be connected with the torsional spring between fixed block and the fixture block.
As still further aspects of the invention: the outer walls of the rotating block and the supporting rod are respectively provided with a through hole, the rotating block and the supporting rod are connected through a pin shaft, and the outer wall of the pin shaft is matched with the inner wall of the through hole.
Compared with the prior art, the invention has the beneficial effects that:
1. when the end wall is installed through the connecting mechanism, the end wall is driven to displace through the crane until the movable block contacts with the top end of the bottom plate to displace, the movable block displaces to drive the connecting column to displace, the connecting column displaces to enter the connecting groove, the end wall rotates to stop after contacting with the limiting plate, the end wall rotates to contact with the pushing block to drive the pushing block to displace in the process of rotating the end wall, the pushing block displaces to leave the clamping groove, the sliding plate displaces to the bottom end of the end wall under the action of the elasticity of the displacement spring, and the end wall is fixed, so that the end wall is pre-connected conveniently;
2. through setting up supporting mechanism and installation mechanism, when a bracing piece takes place to fracture, the rolling disc rotates and drives the threaded rod and rotate, the threaded rod rotates and drives the slider and carry out the displacement, the slider displacement drives the movable rod and carries out the displacement, the movable rod displacement rotates the movable rod simultaneously, until the connecting axle contacts with the connector link after, ratchet and fixture block laminating on the rolling disc are fixed the rolling disc, thereby carry out auxiliary stay to the headwall, separate rolling block and bracing piece through taking out the round pin axle, rotate the shielding plate, expose the inner wall of mounting panel, be convenient for take off the cracked bracing piece and change.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the installation of an end wall of the present invention;
FIG. 3 is an enlarged view of the invention at A;
FIG. 4 is a cross-sectional view of an end wall of the present invention;
FIG. 5 is an enlarged view of the present invention at B;
FIG. 6 is a schematic view of a sliding plate according to the present invention;
FIG. 7 is a schematic view of the mounting of the support mechanism of the present invention;
FIG. 8 is a schematic view of the attachment of the present invention;
FIG. 9 is a schematic view showing the installation of the support bar of the present invention;
fig. 10 is a cross-sectional view of a mounting plate of the present invention.
In the figure: 1. a main body; 101. a bottom plate; 102. a side wall; 2. a connecting mechanism; 201. end wall; 202. a limiting plate; 203. a movable block; 204. a connecting column; 205. a limit groove; 206. a limit column; 207. a limit spring; 208. a pushing block; 209. a sliding plate; 210. a clamping groove; 211. a displacement spring; 212. a connecting groove; 3. a support mechanism; 301. a chute; 302. a slide block; 303. a connecting seat; 304. a movable rod; 305. a connecting shaft; 306. a threaded rod; 307. a rotating disc; 308. a fixed block; 309. a clamping block; 310. a connecting buckle; 4. a mounting mechanism; 401. a mounting base; 402. a rotating block; 403. a support rod; 404. a mounting shaft; 405. a mounting plate; 406. a shielding plate; 407. and (5) installing a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Referring to fig. 1 to 10, in an embodiment of the present invention, a hopper car end wall structure with high strength includes a main body 1, a connecting mechanism 2, a supporting mechanism 3 and a mounting mechanism 4, wherein the main body 1 includes a bottom plate 101, and two sides of the top end of the bottom plate 101 are connected with side walls 102;
wherein, coupling mechanism 2 is including being located the headwall 201 between two side walls 102, the inner wall one end of side wall 102 is connected with limiting plate 202, the bottom of headwall 201 is connected with movable block 203, the outer wall connection of movable block 203 has spliced pole 204, the inside of headwall 201 is located the top of spliced pole 204 and is connected with spacing post 206, be connected with spacing spring 207 between spacing post 206 and the headwall 201, the top of spliced pole 204 is provided with spacing groove 205, the inner wall of side wall 102 is provided with spread groove 212, the inner wall of side wall 102 is located one side of spread groove 212 and is connected with impeller 208, the one end of impeller 208 is connected with slide plate 209, the inner wall of slide plate 209 is connected with draw-in groove 210, be convenient for carry out the pre-connection to headwall 201 and side wall 102.
Referring to fig. 1, 7 and 8, the supporting mechanism 3 includes a sliding chute 301 located at the top end of the bottom plate 101, a sliding block 302 is connected to an inner wall of the sliding chute 301, a connecting seat 303 is connected to the top end of the sliding block 302, a movable rod 304 is connected to an inner wall of the connecting seat 303, a connecting shaft 305 is connected to one end of the movable rod 304, a threaded rod 306 is connected to an inner wall of the sliding block 302, a rotating disc 307 is connected to one end of the threaded rod 306, a fixed block 308 is disposed on one side of the rotating disc 307, a clamping block 309 is connected to an inner wall of the fixed block 308, and a connecting buckle 310 is connected to an outer wall of the end wall 201, so as to facilitate auxiliary supporting of the end wall 201.
Referring to fig. 8-10, the mounting mechanism 4 includes a mounting seat 401 located at the top end of the bottom plate 101 and on one side of the end wall 201, a rotating block 402 is connected to the top end of the mounting seat 401, a supporting rod 403 is connected to an inner wall of the rotating block 402, a mounting shaft 404 is connected to one end of the supporting rod 403, a mounting plate 405 is connected to an outer wall of the end wall 201 below the connecting buckle 310, a shielding plate 406 is connected to an inner wall of the mounting plate 405, and a mounting spring 407 is connected between the shielding plate 406 and the mounting plate 405, so that the supporting rod 403 is convenient to mount.
Referring to fig. 1-6, the top of the movable block 203 is trapezoidal, one end of the connecting column 204 is an inclined plane, and the inclined plane of the connecting column 204 is attached to the inclined plane of the movable block 203, so that the movable block 203 is convenient to displace to drive the connecting column 204 to displace.
Referring to fig. 1-6, the inner wall of the limiting groove 205 is engaged with the outer wall of the limiting post 206, so that the inner wall of the limiting groove 205 is engaged with the outer wall of the limiting post 206 for limiting, the outer wall of the connecting post 204 is engaged with the inner wall of the connecting groove 212, and the outer wall of the connecting post 204 and the inner wall of the connecting groove 212 are cylindrical, so that the connecting post 204 rotates on the inner wall of the connecting groove 212.
Referring to fig. 1-6, the outer wall of the pushing block 208 is matched with the inner wall of the clamping groove 210, so that the outer wall of the pushing block 208 is conveniently attached to the inner wall of the clamping groove 210 for fixing, the cross section of the sliding plate 209 is triangular, one end of the sliding plate 209 is connected with a displacement spring 211, one end of the displacement spring 211 is connected with the side wall 102, and the elastic force of the displacement spring 211 is convenient to drive the sliding plate 209 to displace.
Referring to fig. 1, 7 and 8, the connection seat 303 is connected with the movable rod 304 through a rotating shaft, so that the connection seat 303 and the movable rod 304 rotate relatively, the outer wall of the connection shaft 305 is engaged with the inner wall of the connection buckle 310, and the outer wall of the connection shaft 305 is engaged with the inner wall of the connection buckle 310 to connect.
Referring to fig. 1, 7 and 8, an inner wall of the slider 302 is provided with an inner thread, an outer thread of the threaded rod 306 is matched with the inner thread of the slider 302, the threaded rod 306 is convenient to rotate to drive the slider 302, a ratchet is arranged on the outer wall of the rotating disc 307, the rotating disc 307 is convenient to fix through the ratchet, the fixing block 308 is connected with the clamping block 309 through a rotating shaft, the fixing block 308 and the clamping block 309 are convenient to rotate relatively, a torsion spring is connected between the fixing block 308 and the clamping block 309, and the clamping block 309 is convenient to attach to the ratchet.
Referring to fig. 8-10, through holes are formed on outer walls of the rotating block 402 and the supporting rod 403, the rotating block 402 and the supporting rod 403 are connected through a pin, and the outer wall of the pin is matched with the inner wall of the through hole, so that the rotating block 402 and the supporting rod 403 are connected through the pin.
The working principle of the invention is as follows: firstly, when the end wall 201 is installed, the end wall 201 is lifted to a position between the upper side of the connecting groove 212 and the side wall 102 by using the crane, the end wall 201 is displaced downwards by using the crane until the movable block 203 contacts with the top end of the bottom plate 101 to displace, the movable block 203 displaces to drive the connecting column 204 to displace, the connecting column 204 displaces until the limiting column 206 displaces under the action of the elasticity of the limiting spring 207 to enter the limiting groove 205, the connecting column 204 is fixed, the connecting column 204 enters the connecting groove 212 in the displacement process, the end wall 201 is rotated, the end wall 201 is stopped after being rotated to contact with the limiting plate 202, the pushing block 208 is driven to displace by contacting with the pushing block 208 in the rotation process of the end wall 201, the pushing block 208 displaces out of the clamping groove 210, the sliding plate 209 displaces to the bottom end of the end wall 201 under the action of the elasticity of the displacement spring 211, the end wall 201 is fixed, thereby the end wall 201 is pre-connected, when a supporting rod 403 breaks, the rotating disc 307 is rotated, the rotating disc 307 rotates to drive the threaded rod 306 to rotate, the threaded rod 306 rotates to drive the sliding block 302 to displace, the sliding block 302 displaces to drive the movable rod 304 to displace, the movable rod 304 displaces and simultaneously rotates the movable rod 304 until the connecting shaft 305 contacts with the connecting buckle 310, ratchet teeth on the rotating disc 307 are attached to the clamping block 309 to fix the rotating disc 307, thereby the end wall 201 is supported in an auxiliary mode, the rotating block 402 is separated from the supporting rod 403 through the taking-out pin shaft, the shielding plate 406 is rotated, the inner wall of the mounting plate 405 is exposed, and the broken supporting rod 403 is taken down for replacement.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a hopper car headwall structure with high strength, includes main part (1), coupling mechanism (2), supporting mechanism (3) and installation mechanism (4), its characterized in that, main part (1) is including bottom plate (101), the top both sides of bottom plate (101) are connected with side wall (102);
the connecting mechanism (2) comprises an end wall (201) positioned between two side walls (102), one end of the inner wall of the side wall (102) is connected with a limiting plate (202), the bottom end of the end wall (201) is connected with a movable block (203), the outer wall of the movable block (203) is connected with a connecting column (204), the inside of the end wall (201) is connected with a limiting column (206) above the connecting column (204), a limiting spring (207) is connected between the limiting column (206) and the end wall (201), the top end of the connecting column (204) is provided with a limiting groove (205), the inner wall of the side wall (102) is provided with a connecting groove (212), one side of the inner wall of the side wall (102) positioned in the connecting groove (212) is connected with a pushing block (208), one end of the pushing block (208) is connected with a sliding plate (209), and the inner wall of the sliding plate (209) is connected with a clamping groove (210). The supporting mechanism (3) comprises a sliding groove (301) positioned at the top end of the bottom plate (101), the inner wall of the sliding groove (301) is connected with a sliding block (302), the top end of the sliding block (302) is connected with a connecting seat (303), the inner wall of the connecting seat (303) is connected with a movable rod (304), one end of the movable rod (304) is connected with a connecting shaft (305), the inner wall of the sliding block (302) is connected with a threaded rod (306), one end of the threaded rod (306) is connected with a rotating disc (307), one side of the rotating disc (307) is provided with a fixed block (308), the inner wall of the fixed block (308) is connected with a clamping block (309), and the outer wall of the end wall (201) is connected with a connecting buckle (310); the mounting mechanism (4) comprises a mounting seat (401) positioned at the top end of the bottom plate (101) and on one side of the end wall (201), a rotating block (402) is connected to the top end of the mounting seat (401), a supporting rod (403) is connected to the inner wall of the rotating block (402), a mounting shaft (404) is connected to one end of the supporting rod (403), a mounting plate (405) is connected to the outer wall of the end wall (201) below the connecting buckle (310), a shielding plate (406) is connected to the inner wall of the mounting plate (405), and a mounting spring (407) is connected between the shielding plate (406) and the mounting plate (405).
2. The hopper car headwall structure with high strength according to claim 1, wherein the top shape of the movable block (203) is trapezoid, one end of the connecting column (204) is an inclined plane, and the inclined plane of the connecting column (204) is attached to the inclined plane of the movable block (203).
3. The hopper car headwall structure with high strength according to claim 1, wherein the inner wall of the limit groove (205) is matched with the outer wall of the limit post (206), the outer wall of the connecting post (204) is matched with the inner wall of the connecting groove (212), and the shape of the outer wall of the connecting post (204) and the shape of the inner wall of the connecting groove (212) are cylindrical.
4. The hopper car headwall structure with high strength according to claim 1, wherein the outer wall of the pushing block (208) is matched with the inner wall of the clamping groove (210), the cross section of the sliding plate (209) is triangular, one end of the sliding plate (209) is connected with a displacement spring (211), and one end of the displacement spring (211) is connected with the side wall (102).
5. The hopper car headwall structure with high strength as claimed in claim 1, wherein the connection base (303) is connected with the movable rod (304) through a rotating shaft, and the outer wall of the connection shaft (305) is engaged with the inner wall of the connection buckle (310).
6. The hopper car headwall structure with high strength according to claim 1, wherein the inner wall of the slider (302) is provided with an internal thread, the external thread of the threaded rod (306) is matched with the internal thread of the slider (302), the outer wall of the rotating disc (307) is provided with a ratchet, the fixing block (308) is connected with the clamping block (309) through a rotating shaft, and a torsion spring is connected between the fixing block (308) and the clamping block (309).
7. The hopper car headwall structure with high strength according to claim 1, wherein the outer walls of the rotating block (402) and the supporting rod (403) are provided with through holes, the rotating block (402) and the supporting rod (403) are connected through pin shafts, and the outer walls of the pin shafts are matched with the inner walls of the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537428.XA CN113085927B (en) | 2021-05-18 | 2021-05-18 | Hopper car end wall structure with high strength |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537428.XA CN113085927B (en) | 2021-05-18 | 2021-05-18 | Hopper car end wall structure with high strength |
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| CN113085927A CN113085927A (en) | 2021-07-09 |
| CN113085927B true CN113085927B (en) | 2023-04-21 |
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| CN111547083A (en) * | 2020-05-08 | 2020-08-18 | 台州学院 | Railway hopper car with large-volume movable end wall |
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| Title |
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| 出口阿根廷宽轨石灰石漏斗车总体结构设计;周睿等;《轨道交通装备与技术》;20160515(第03期);7-9 * |
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| CN113085927A (en) | 2021-07-09 |
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Address after: 244000 Shizishan Hi-tech Industrial Development Zone, Tongling City, Anhui Province Applicant after: Tongling Tieke track equipment Co.,Ltd. Address before: 244000 high tech Industrial Development Zone, Shizishan District, Tongling City, Anhui Province Applicant before: TONGLING TIEKE TRACK EQUIPMENT Co.,Ltd. |
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Denomination of invention: A high-strength funnel truck end wall structure Granted publication date: 20230421 Pledgee: Tongling Rural Commercial Bank Co.,Ltd. Chengbei Branch Pledgor: Tongling Tieke track equipment Co.,Ltd. Registration number: Y2024980001162 |
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