CN109941301B - End overturning type working platform for railway vehicle - Google Patents
End overturning type working platform for railway vehicle Download PDFInfo
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- CN109941301B CN109941301B CN201910343633.5A CN201910343633A CN109941301B CN 109941301 B CN109941301 B CN 109941301B CN 201910343633 A CN201910343633 A CN 201910343633A CN 109941301 B CN109941301 B CN 109941301B
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- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 230000007306 turnover Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 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
- 239000010959 steel Substances 0.000 description 1
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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
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a turnover type working platform at the end part of a railway vehicle, which comprises a platform device arranged at the end part of the vehicle body and a guardrail component arranged on the platform device, wherein the platform device is hinged with a platform support fixed at the end part of the vehicle body, the guardrail component is matched with the end surface of the vehicle body to form a fence structure when in a working position, a supporting seat for limiting and supporting the platform device is arranged below the platform device, the supporting seat is fixedly connected with the end part of the vehicle body, the platform device can be turned towards the direction of the vehicle body to form a closing position, and the guardrail component on the platform device can give way for turning of the platform device. The invention adopts the upturning platform and the folding protective fence, has compact structure, occupies small space after turning and closing, and ensures that the vehicle has good curve passing performance.
Description
Technical Field
The invention belongs to the technical field of railway transportation vehicles, and particularly relates to a railway vehicle end overturning type working platform.
Background
For rail vehicles that perform work tasks such as line flushing along the rail, it is often necessary to provide a work platform at the end of the vehicle for personnel to perform on-board work. In order to meet the requirements of personnel passing and operation activities, the width and the length of the working platform cannot be too small. Because the railway vehicles are mainly hung in a marshalling mode, the gap between two vehicle end parts is about 1.5m, and therefore, the working platform cannot be too wide, otherwise, the curve passing performance of the vehicles can be influenced, the vehicles are damaged due to interference with the adjacent vehicle end parts, and the transportation safety is endangered. In addition, the railway vehicles are connected by a coupler, the central line of the coupler of the standard rail vehicle in China is 880mm high, the height of the working platform from the rail surface is at least more than 1.2m in order to avoid interference with the coupler and the uncoupling device of the coupler, and a safety fence is arranged on the periphery of the working platform to prevent personnel from falling.
Disclosure of Invention
The invention aims to solve the problems, and provides the end overturning type working platform for the railway vehicle, which can ensure normal connection and operation of the vehicle and meet the normal operation of operators.
The invention is realized by adopting the following technical scheme: the utility model provides a rail vehicle tip convertible work platform which characterized in that: including setting up the platform device at the automobile body tip and setting up the guardrail subassembly on the platform device, the platform device is articulated with the platform support of fixing at the automobile body tip, when the working position, the guardrail subassembly forms the rail structure with the terminal surface cooperation of automobile body the platform device below is provided with the supporting seat that is used for spacing and supporting the platform device, supporting seat and automobile body tip fixed connection, the platform device can overturn to the automobile body direction and form and close the position, the guardrail subassembly on the platform device can be for the upset of platform device and give way.
The invention discloses a railway vehicle end overturning type working platform, which comprises a side guard rail, an end guard rail and an end movable railing, wherein the side guard rail is hinged with the side surface of a platform device, which is far away from a vehicle body, the two ends of the platform device are respectively provided with the end guard rail, the end movable railing is arranged at one end of the platform device, which is provided with the lower end guard rail, the inner distance between the end guard rails at the two ends of the platform device is larger than the width of the vehicle body, when the railway vehicle is in a working position, one end of the end movable railing is connected with the side guard rail, the other end of the end movable railing is hinged with a movable railing support fixed at the end of the vehicle body, the end movable railing is used for supporting the rotatable side guard rail, when the railway vehicle is required to be folded, the end movable railing is disassembled, the side guard rails are laid down, the platform device can be overturned to a vertical state in the vehicle body direction, and the end guard rails at the two ends of the platform device are positioned at the two sides of the vehicle body.
The invention relates to a turnover working platform at the end part of a railway vehicle, which is characterized in that a gas spring is arranged below a platform device, one end of the gas spring is hinged with the platform device, and the other end of the gas spring is hinged with a gas spring support fixed at the end part of a vehicle body.
The invention discloses a railway vehicle end part turnover type working platform, which comprises a bottom frame, a protective guard support, a spring lug seat, a supporting lug seat and a folding seat, wherein the length of the bottom frame is larger than the width of a vehicle body, the protective guard support is arranged on the outer side of the bottom frame far away from the vehicle body, a round hole for connecting with a side protective guard respectively in a working position and a closing position is formed in the protective guard support, the spring lug seat is arranged at the bottom of the bottom frame and is used for being hinged with one end of a gas spring, the supporting lug seat is arranged at the bottom of the bottom frame and is used for being connected with the supporting seat, and the folding seat is arranged on one side of the bottom frame close to the vehicle body and is used for being hinged with the platform support.
According to the railway vehicle end overturning type working platform, the guard rail support is L-shaped, the guard rail support is provided with the support first round hole, the support second round hole and the support third round hole, the support first round hole and the support second round hole are positioned on the same horizontal line, the support third round hole is positioned right below the support first round hole, the support first round hole and the support third round hole are used for installing and unfolding the side guard rail which is unfolded to be a working position, and the support first round hole and the support second round hole are used for fixing the folded side guard rail.
The invention discloses a railway vehicle end overturning type working platform, which is characterized in that a side guard rail is of a two-section foldable fence type structure and comprises a lower upright post, a middle railing, an upper upright post and a handrail, wherein the lower upright post and the upper upright post are mutually hinged, the lower upright post is provided with a groove for accommodating the upper upright post, the lower upright post is provided with a first round hole of the lower upright post, a second round hole of the lower upright post, a third round hole of the lower upright post and a fourth round hole of the lower upright post, the hole distances of the first round hole of the lower upright post and the second round hole of the lower upright post are equal to the hole distances of a first round hole of a support and a third round hole of the support on a guard rail support, the upper upright post is fixedly connected with the upper upright post, the second round hole of the upper upright post and the third round hole of the upper upright post are equal to the hole of the third round hole of the lower upright post, the hole of the upper upright post is fixedly connected with the lower upright post, the hole of the upper upright post and the third round hole of the lower upright post is fixedly connected with the middle railing support, and the upper upright post is fixedly connected with the middle railing support.
According to the railway vehicle end overturning type working platform, an end guard rail at one end of the platform device is high, an end guard rail at the other end of the platform device is low, the high end guard rail extends to a height close to a handrail, the end movable railing is arranged above a corresponding end of the low end guard rail, one end of the end movable railing is hinged with a movable railing support, and the other end of the end movable railing is connected with a corresponding end of the handrail.
According to the railway vehicle end overturning type working platform, the top of the supporting seat is horizontal, the top of the supporting seat is in contact with the bottom surface of the platform device after being flattened, the front end of the supporting seat is provided with the installation fixing groove which is used for accommodating the supporting lug seat at the bottom of the platform device, and when the platform device is flattened, the platform device is fixed on the supporting seat through the installation fixing groove of the supporting seat and the supporting lug seat of the platform device through the pin shaft.
Compared with the prior art, the invention has the following advantages:
1. the invention adopts the upturning platform and the folding protective fence, has compact structure, occupies small space after turning and closing, and ensures that the vehicle has good curve passing performance.
2. The working platform is supported by the supporting seat after being opened, and is fixed with the supporting seat through the round pin, so that the working platform is prevented from jumping, the safety fence is arranged on the periphery of the platform device, the bearing capacity of the platform device is high, and the safety reliability is high.
3. The invention adopts the spring supporting technology, greatly reduces the moment when the platform device rotates, saves the turnover operation, and relieves the impact on the supporting seat when the platform device is unfolded.
4. The rotating piece and the movable piece are connected and fixed by round pins, and other tools are not needed during loading and unloading, so that the opening and closing operation of the working platform is convenient and quick.
Drawings
Fig. 1 is a schematic view of the structural principle of the invention in the working position.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic view of the structure of the low end guard rail of the present invention.
Fig. 4 is a schematic structural view of the high end rail guard of the present invention.
Fig. 5 is a cross-sectional view A-A of fig. 4.
Fig. 6 is a top view of the present invention in the closed position.
Fig. 7 is a schematic structural view of the platform device according to the present invention.
FIG. 8 is a schematic view of the connection of the lower upright to the intermediate rail in the present invention.
Fig. 9 is a sectional view of B-B in fig. 8.
Fig. 10 is a schematic view of the connection of the upper upright to the armrest in the present invention.
Fig. 11 is a side view of fig. 10.
Fig. 12 is a schematic view of the structure of the present invention with the end movable rail removed.
FIG. 13 is a schematic view of the direction of rotation of the upper and lower posts when the side rail guard is folded and laid down in accordance with the present invention.
FIG. 14 is a schematic view of the side guard in the present invention after being folded down.
Fig. 15 is a schematic view of the present invention in the closed position.
The marks in the figure: 1 is a platform device, 1.1 is a chassis, 1.2 is a protective guard support, 1.2a is a support first round hole, 1.2b is a support second round hole, 1.2c is a support third round hole, 1.3 is a spring lug, 1.4 is a support lug, 1.5 is a folding seat, 2 is a side protective guard, 2.1 is a lower upright, 2.1a is a lower upright first round hole, 2.1b is a lower upright second round hole, 2.1c is a lower upright third round hole, 2.1d is a lower upright fourth round hole, 2.1e is a groove, 2.2 is a middle railing, 2.3 is an upper upright, 2.3a is an upper upright first round hole, 2.3b is an upper upright second round hole, 2.3c is an upper upright third round hole, 2.4 is a handrail, 3 is an end part railing, 5 is an end part movable railing, 6 is a support, 6a is a mounting fixing groove, 7 is a gas spring, 8 is a movable support railing, 9 is a platform railing, 10 is a gas spring end face 11a, and 11a is a gas spring end face.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present technology will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 15, a turning-over type working platform for a railway vehicle end part comprises a platform device 1 arranged at the end part of a vehicle body 11 and a guardrail assembly arranged on the platform device 1, wherein the platform device 1 is hinged with a platform support 9 fixed at the end part of the vehicle body 11, the guardrail assembly is matched with the end surface 11a of the vehicle body 11 to form a fence structure in a working position, a supporting seat 6 for limiting and supporting the platform device 1 is arranged below the platform device 1, the supporting seat 6 is fixedly connected with the end part of the vehicle body 11, the platform device 1 can be turned over towards the direction of the vehicle body 11 to form a closing position, and the guardrail assembly on the platform device 1 can be turned over for the platform device 1.
In this embodiment, the guardrail subassembly includes lateral part rail guard 2, tip rail guard 3 and an tip movable railing 5, lateral part rail guard 2 is articulated with the side of platform device 1 from automobile body 11 platform device 1 both ends are provided with tip rail guard 3 respectively, the tip rail guard 3 of platform device 1 one end is high, wholly is the day font to prevent that personnel from falling from platform device tip, the tip rail guard 3 of the other end is low, wholly is the shape of falling [ in order to make things convenient for personnel to stride into platform device from its top, and high tip rail guard 3 extends to the height that is close to handrail 2.4, tip movable railing 5 sets up the top of the corresponding one end of tip rail guard 3 low, tip movable railing 5 one end is articulated with movable railing support 8, and its other end is connected with handrail 2.4 corresponding end, the interior distance between the tip rail guard 3 of platform device 1 both ends is greater than automobile body 11's width, and in the time of working position, tip movable railing 5 one end is connected with lateral part rail guard 2, and the other end is fixed at the movable railing 8 of automobile body 11 tip end and is articulated from its top to the side rail guard 2, and the movable railing 5 is used for the tip rail guard 2 is folded to the side of the two sides of the platform device 1 when the platform device is closed to the two ends is required to the side of the side rail guard 2, the platform device is folded to the side of the side rail guard 2 is in the two sides of the side of the platform device 11 when the platform device is in the 2 is required to be folded to the side in the position of the side of the platform device 1.
In order to greatly reduce the moment when the platform device rotates, save the turnover force and relieve the impact on the supporting seat when the platform device is unfolded, a gas spring 7 is arranged below the platform device 1, one end of the gas spring 7 is hinged with the platform device 1, and the other end of the gas spring 7 is hinged with a gas spring support 10 fixed at the end part of the vehicle body 11.
As shown in fig. 7, the platform device 1 comprises a chassis 1.1, a guard rail support 1.2, a spring ear seat 1.3, a supporting ear seat 1.4 and a hinge seat 1.5, wherein the chassis is formed by assembling and welding steel and plates into a rectangular structure, the length of the chassis 1.1 is larger than the width of a vehicle body 11, the guard rail support 1.2 is arranged on the outer side of the chassis 1.1 away from the vehicle body 11, a round hole for connecting with a side guard rail 2 in a working position and a closing position respectively is formed in the guard rail support 1.2, the spring ear seat 1.3 is arranged at the bottom of the chassis 1.1 and is used for being hinged with one end of a gas spring 7, the supporting ear seat 1.4 is arranged at the bottom of the chassis 1.1 close to the center and is used for being connected with the supporting seat 6, and the hinge seat 1.5 is arranged on one side of the chassis 1.1 close to the vehicle body 11 and is used for being hinged with the platform support 9.
In this embodiment, the guard rail support 1.2 is L-shaped, a support first round hole 1.2a, a support second round hole 1.2b and a support third round hole 1.2c are provided on the guard rail support 1.2, the circle centers of the guard rail support first round hole 1.2a and the support second round hole 1.2b are respectively located at 3 vertexes of an equilateral right triangle, the support first round hole 1.2a and the support second round hole 1.2b are located on the same horizontal line, the support third round hole 1.2c is located under the support first round hole 1.2a, the support first round hole 1.2a and the support third round hole 1.2c are used for installing and expanding into a side guard rail 2 of a working position, and the support first round hole 1.2a and the support second round hole 1.2b are used for fixing the folded side guard rail 2.
As shown in fig. 3, 4 and 5, the side guard rail 2 is a two-section foldable fence structure, and comprises a lower upright post 2.1, a middle railing 2.2, an upper upright post 2.3 and a handrail 2.4, wherein the lower upright post and the upper upright post are both in a strip shape, the middle railing and the handrail are both in a round tube shape, the lower upright post 2.1 and the upper upright post 2.3 are mutually hinged, in the adjacent side guard rails, the space between the lower upright posts is equal to the space between the upper upright posts, the lower upright post 2.1 is provided with a groove 2.1e for accommodating the upper upright post 2.3, and the width of the groove is larger than the thickness of the upper upright post; as shown in fig. 9, a lower upright post first round hole 2.1a, a lower upright post second round hole 2.1b, a lower upright post third round hole 2.1c and a lower upright post fourth round hole 2.1d are formed in the lower upright post 2.1, the hole distances of the lower upright post first round hole 2.1a and the lower upright post second round hole 2.1b are equal to the hole distances of a support seat first round hole 1.2a and a support seat third round hole 1.2c in the protective guard support 1.2, and the lower upright post 2.1 and the protective guard support 1.2 are connected and fixed; as shown in fig. 11, the upper upright post 2.3 is provided with an upper upright post first round hole 2.3a, an upper upright post second round hole 2.3b and an upper upright post third round hole 2.3c, the hole distances of the upper upright post first round hole 2.3a and the upper upright post second round hole 2.3b are equal to the hole distances of the lower upright post third round hole 2.1c and the lower upright post fourth round hole 2.1d, the connection and fixation of the upper upright post 2.3 and the lower upright post 2.1 are used, the hole distances of the upper upright post first round hole 2.3a and the upper upright post third round hole 2.3c are equal to the hole distances of the lower upright post first round hole 2.1a and the lower upright post third round hole 2.1c, and the connection and fixation of the upper upright post 2.3 and the guard rail support 1.2 are used; as shown in fig. 8, the lower upright post 2.1 is vertically arranged and fixedly connected with the middle railing 2.2, and the whole lower upright post is in a groined frame structure; as shown in fig. 10, the handrail 2.4 is horizontally arranged and fixedly connected with the upper end part of the upper upright post 2.3, and is of a T-shaped structure as a whole, so that the whole can be turned over conveniently, and the end part of the handrail, which is close to the movable railing at the end part, is provided with a section of round shaft 2.4.1, which has smaller diameter and is threaded at the tail end, and is used for installing the movable railing at the end part.
During the equipment, go up stand first round hole, go up stand second round hole and align with lower stand third round hole and lower stand fourth round hole respectively, then assemble last stand, lower stand with round pin and be in the same place, form the crisscross fence structure of horizontal and vertical, when folding, take out lower stand fourth round hole department round pin, make last stand drive handrail around last stand second round hole centre of a circle down stand first round hole direction rotation 180, can fold, accomodate the recess of stand under in, save storage space.
In this embodiment, the supporting seat 6 is integrally in a right trapezoid structure, the top of the supporting seat is horizontal, the root of the supporting seat is thicker, the supporting seat can bear larger bending moment, the supporting seat is supported by a platform device with heavier safety, the top of the supporting seat 6 is contacted with the bottom surface of the flat-laid platform device 1, the front end part of the supporting seat 6 is provided with a mounting fixing groove 6a, the mounting fixing groove 6a is used for accommodating a supporting ear seat 1.4 at the bottom of the platform device 1, after the platform device 1 is flat-laid, the supporting ear seat 1.4 passes through the mounting fixing groove 6a of the supporting seat 6 and the supporting ear seat 1.4 of the platform device 1 through a pin shaft, the platform device 1 is fixed on the supporting seat 6, the platform device is prevented from jumping, and the safety and the reliability of the platform device are ensured.
The assembly process of the invention is as follows: firstly, mounting a supporting seat, a movable railing support, a platform support and a gas spring support at the end part of a vehicle body, respectively welding end protective rails at two ends of a platform device, hinging the platform device on the platform support by using round pins, horizontally placing the platform device on the supporting seat, aligning round holes at the head of the supporting seat with round holes on a supporting ear seat, fixing the two together by using round pins, aligning a first round hole of a lower upright post of a side protective rail with a first round hole of a support of the protective rail support and a second round hole of the lower upright post with a first round hole of the support, fixing the side protective rail at the outer side of the platform device by using round pins, hinging one end of a gas spring on the spring ear seat of the platform device by using round pins, and hinging the other end of the gas spring on the gas spring support; the round hole of tip movable railing one end overlaps on the circle axle of handrail tip, and the circle axle end is fixed with the nut, and the other end of tip movable railing articulates on movable railing support with round pin.
The working principle of the invention is as follows: when the working platform is closed, the round pins connecting the platform device with the supporting seat, the round pins connecting the movable railing at the end part with the movable railing support, the round pins at the first round holes of the lower stand column and the fourth round holes of the lower stand column of the side guard rail are sequentially taken out, as shown in fig. 13, the upper stand column is folded towards the outer side direction of the platform device, the upper stand column and the lower stand column fall into the groove of the lower stand column after rotating 180 degrees, the folded upper stand column and the lower stand column are rotated to the inner side of the platform device by about 90 degrees and are placed on the platform device, the third round holes of the upper stand column, the first round holes of the lower stand column and the second round holes of the support of the guard rail support are aligned, and then the round pins are penetrated, so that the folded side guard rail is fixed; finally, the platform device is turned towards the direction approaching the car body, and is rotated from the horizontal working position to the vertical closing position under the combined action of manpower and the supporting force of the springs of the platform device, as shown in fig. 15. The operation when opening the work platform is opposite to the operation when closing the work platform.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The utility model provides a rail vehicle tip convertible work platform which characterized in that: the safety protection device comprises a platform device (1) arranged at the end part of a vehicle body (11) and a guardrail assembly arranged on the platform device (1), wherein the platform device (1) is hinged with a platform support (9) fixed at the end part of the vehicle body (11), the guardrail assembly is matched with the end surface (11 a) of the vehicle body (11) to form a fence structure when in a working position, a supporting seat (6) for limiting and supporting the platform device (1) is arranged below the platform device (1), the supporting seat (6) is fixedly connected with the end part of the vehicle body (11), the platform device (1) can be turned towards the direction of the vehicle body (11) to form a closing position, and the guardrail assembly on the platform device (1) can be turned over for the platform device (1);
the guardrail assembly comprises a side guardrail (2), an end guardrail (3) and an end movable guardrail (5), wherein the side guardrail (2) is hinged to the side surface of a platform device (1) away from a car body (11), the end guardrail (3) is respectively arranged at two ends of the platform device (1), the end movable guardrail (5) is arranged on the platform device (1) and is provided with one end of the lower end guardrail (3), the inner distance between the end guardrails (3) at two ends of the platform device (1) is larger than the width of the car body (11), during working, one end of the end movable guardrail (5) is connected with the side guardrail (2), the other end of the end movable guardrail is hinged to a movable guardrail support (8) fixed at the end of the car body (11), the end movable guardrail (5) is used for supporting the rotatable side guardrail (2), when the working platform needs to be folded, the end movable guardrail (5) is removed and the side guardrail (2) is placed down, and the platform device (1) can be turned to a vertical state towards the car body (11), and the two ends (3) of the platform device (1) are positioned at two sides of the car body (11).
2. The rail vehicle end turn-over work platform of claim 1, wherein: a gas spring (7) is arranged below the platform device (1), one end of the gas spring (7) is hinged with the platform device (1), and the other end of the gas spring is hinged with a gas spring support (10) fixed at the end part of the vehicle body (11).
3. The rail vehicle end turn-over work platform of claim 2, wherein: platform device (1) include chassis (1.1), rail guard support (1.2), spring ear seat (1.3), support ear seat (1.4) and folding seat (1.5), the length of chassis (1.1) is greater than the width of automobile body (11), rail guard support (1.2) set up in chassis (1.1) keep away from the outside of automobile body (11) be provided with on rail guard support (1.2) be used for carrying out the round hole that is connected when working position and closed position respectively with lateral part rail guard (2), spring ear seat (1.3) set up in the bottom of chassis (1.1) and are used for articulated with gas spring (7) one end, support ear seat (1.4) set up in the bottom of chassis (1.1) and be used for being connected with supporting seat (6), folding seat (1.5) set up in chassis (1.1) be close to one side of automobile body (11) and be used for articulated with platform support (9).
4. A rail vehicle end turn-over work platform as claimed in claim 3, wherein: the protective guard support (1.2) is L-shaped, a support first round hole (1.2 a), a support second round hole (1.2 b) and a support third round hole (1.2 c) are formed in the protective guard support (1.2), the support first round hole (1.2 a) and the support second round hole (1.2 b) are located on the same horizontal line, the support third round hole (1.2 c) is located under the support first round hole (1.2 a), the support first round hole (1.2 a) and the support third round hole (1.2 c) are used for installing and unfolding a side protective guard (2) which is in a working position, and the support first round hole (1.2 a) and the support second round hole (1.2 b) are used for fixing the folded side protective guard (2).
5. The rail vehicle end turn-over work platform of claim 4, wherein: the side guard rail (2) is of a two-section foldable fence type structure and comprises a lower upright post (2.1), a middle railing (2.2), an upper upright post (2.3) and a handrail (2.4), wherein the lower upright post (2.1) and the upper upright post (2.3) are mutually hinged, the lower upright post (2.1) is provided with a groove (2.1 e) for accommodating the upper upright post (2.3), the lower upright post (2.1) is provided with a lower upright post first round hole (2.1 a), a lower upright post second round hole (2.1 b), a lower upright post third round hole (2.1 c) and a lower upright post fourth round hole (2.1 d), the hole distances of the lower upright post first round hole (2.1 a) and the lower upright post second round hole (2.1 b) are equal to the hole distance of the support first round hole (1.2 a) on the guard rail support (1.2), the hole distances of the lower upright post (2.1.1) and the upper upright post third round hole (2.3) are equal to the hole distance of the support third round hole (2.2.2 c), the upper upright post first round hole (2.1 a) and the lower upright post third round hole (2.3) are fixedly connected with the upper upright post first round hole (2.1 b) and the lower upright post second round hole (2.3 b), and the upper upright post first round hole (2.1 b) and the lower upright post second round hole (2.3 b) are fixedly connected with the upper upright post first round hole (2.3 b 3b and the lower upright post and the upper upright post (2 3b, and the hole pitch of the first round hole (2.3 a) of the upper upright post and the hole pitch of the third round hole (2.3 c) of the upper upright post are equal to the hole pitch of the first round hole (2.1 a) of the lower upright post and the hole pitch of the third round hole (2.1 c) of the lower upright post, the upper upright post (2.3) is fixedly connected with the guard rail support (1.2), the lower upright post (2.1) is vertically arranged and fixedly connected with the middle railing (2.2), and the handrail (2.4) is horizontally arranged and fixedly connected with the upper end part of the upper upright post (2.3).
6. The rail vehicle end turn-over work platform of claim 5, wherein: the end protection fence (3) of platform device (1) one end is high, and the end protection fence (3) of the other end is low, and high end protection fence (3) extends to be close to the height of handrail (2.4), tip movable rail (5) set up in the top of the corresponding one end of low end protection fence (3), tip movable rail (5) one end is articulated with movable rail support (8), and its other end corresponds end connection with handrail (2.4).
7. A rail vehicle end turn-over work platform as claimed in claim 3, wherein: the supporting seat is characterized in that the top of the supporting seat (6) is horizontal, the top of the supporting seat (6) is in contact with the bottom surface of the flat-laid platform device (1), an installation fixing groove (6 a) is formed in the front end portion of the supporting seat (6), the installation fixing groove (6 a) is used for accommodating a supporting lug seat (1.4) at the bottom of the platform device (1), and after the platform device (1) is flat-laid, the supporting lug seat (1.4) penetrates through the installation fixing groove (6 a) of the supporting seat (6) and the supporting lug seat (1.4) of the platform device (1) through a pin shaft to fix the platform device (1) on the supporting seat (6).
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| CN201910343633.5A CN109941301B (en) | 2019-04-26 | 2019-04-26 | End overturning type working platform for railway vehicle |
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| CN201910343633.5A CN109941301B (en) | 2019-04-26 | 2019-04-26 | End overturning type working platform for railway vehicle |
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| CN109941301B true CN109941301B (en) | 2024-02-23 |
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| CN112756888A (en) * | 2021-01-15 | 2021-05-07 | 中车眉山车辆有限公司 | Welding deformation control device for corner post assembly of railway wagon |
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