CN215804002U

CN215804002U - Rail vehicle hood opening and closing mechanism

Info

Publication number: CN215804002U
Application number: CN202120869249.1U
Authority: CN
Inventors: 甘以民; 李俊; 乔海明; 李送军; 聂长海; 蔡亦文
Original assignee: Outmet Transportation Technology Co Ltd
Current assignee: Outmet Transportation Technology Co Ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-02-11
Anticipated expiration: 2031-04-26

Abstract

The utility model belongs to the technical field of rail transit vehicle equipment, and particularly relates to a rail vehicle hood opening and closing mechanism, wherein an installation and fixing unit is connected with a sliding unit through a front and back action driving piece, the sliding unit is connected with a connecting rod unit through an up and down action driving piece, the installation and fixing unit is connected with a rail vehicle body, the connecting rod unit is connected with a flow guide cover, the front and back action driving piece and the up and down action driving piece are air springs or air cylinders, an installation plate, a reinforcing beam, a guide rail fixing beam, a first fixing plate, a first vertical beam, a first connecting beam, a fixing seat and a guide rail are welded into an integral structure, a cross beam, a second vertical beam, a second fixing plate, a second connecting beam, a front limiting plate and a rear limiting plate are welded into an integral structure so as to keep stability, the installation and fixing unit is connected with the rail vehicle body, the connecting rod unit is connected with the flow guide cover, and the sliding unit drives the flow guide cover to move forwards by 100mm, the connecting rod unit drives the air guide sleeve to move upwards to the termination position.

Description

Rail vehicle hood opening and closing mechanism

The technical field is as follows:

the utility model belongs to the technical field of rail transit vehicle equipment, and particularly relates to a hood opening and closing mechanism of a rail vehicle, which is used for realizing opening and closing operations of a flow guide cover.

Background art:

in consideration of coupling, the front part of the locomotive of the railway vehicle needs to be provided with an openable or closable air guide sleeve (also called a head cover), a coupler for coupling is arranged in the air guide sleeve, and the air guide sleeve is opened or closed under the control of an opening and closing mechanism. When the vehicle normally runs, the air guide sleeve is closed to form a relatively complete aerodynamic shape of the rail vehicle, so that wind resistance and corresponding noise are reduced; when the vehicle is linked to run, the opening and closing mechanism controls the air guide sleeve to be opened, and necessary space is reserved for the coupler to be linked, so that the coupler can be linked without obstruction, and the influence caused by the swing angle of the coupler when the vehicle runs on different rails is adapted.

At present, most of opening and closing mechanisms in the market can enable the air guide sleeve to be opened and closed left and right, and the air guide sleeve of the subway and the light rail can be opened and closed only up and down, for example: chinese patent 202020124615.6 discloses a head cover opening and closing mechanism for railway vehicles, which comprises an upper framework assembly combination and a lower framework assembly combination, the upper framework assembly combination and the lower framework assembly combination are fixedly connected through a side framework welding body, the upper framework assembly combination comprises an upper framework, the upper framework is provided with an upper locking mechanism, two upper main rocker arms and upper auxiliary rocker arms at two sides of the upper main rocker arms, the lower framework assembly combination comprises a lower framework, the lower framework is provided with two lower main rocker arms, two actuating cylinders for respectively controlling the two lower main rocker arms and two lower auxiliary rocker arms, the upper/lower auxiliary rocker arm, the two auxiliary rocker arm transition seats respectively connected with the upper/lower auxiliary rocker arms, the two auxiliary rocker arm pull plates respectively connected with the two auxiliary rocker arm transition seats and the two auxiliary rocker arm connecting plates form an upper/lower auxiliary rocker arm assembly, and the upper and lower auxiliary rocker arm assemblies are assembled and connected through an auxiliary rocker arm connecting rod to form an upper and lower auxiliary rocker arm connecting mechanism; chinese patent 201921664697.7 discloses a manual front end closing mechanism for rail vehicle, including glass steel fixed cover, glass steel hood, upper portion motion, lower part motion, glass steel hood installs on glass steel fixed cover, upper portion motion includes mount pad, last rotation axis, goes up the installation wing, it is fixed with glass steel fixed cover connection to go up the mount pad, go up the mount pad symmetric connection and have last rotation axis, it is fixed with glass steel hood connection to go up installation wing one end, and the other end rotates with last rotation axis to be connected, lower part motion includes down installation wing, lower rotation axis, unblock pole, main body frame, locking mechanism, closed position backstop, open a backstop, main body frame and glass steel fixed cover connection are fixed, installation wing one end rotates through lower rotation axis symmetry and connects on main body frame down, install the wing other end and glass steel hood connection fixed down, the closing stop is arranged at the front side of the lower rotating shaft; the open-position stop is arranged at the rear side of the lower rotating shaft; the unlocking rod is rotatably arranged on the main body frame, and the locking mechanism and the unlocking rod are fixedly connected; chinese patent 201810505369.6 discloses a front end opening and closing mechanism for a railway vehicle, the front end of the railway vehicle has an opening, the opening and closing mechanism includes a head cover, the head cover is switchable between an open state of opening the opening and a closed state of closing the opening, the opening and closing mechanism further includes: a support including a support plate; the swing arm is connected with the head cover and movably connected with the bracket; the driving assembly is respectively connected with the support and the swing arm so as to drive the swing arm to drive the hood to be switched between the open state and the closed state, and a sliding block which can slide relative to the supporting plate is arranged on the swing arm; chinese patent 202010003373.X discloses a railway vehicle front end cover opening and closing mechanism, including: the opening and closing structure is respectively connected with a first opening and closing cover and a second opening and closing cover at the front end of the railway vehicle; the locking structure is arranged on the back of the opening and closing structure and used for unlocking and locking the opening and closing structure; the driving structure is connected with the opening and closing structure, and the opening and closing structure is driven to move towards a direction close to or far away from the first opening and closing cover and the second opening and closing cover through the movement of the driving structure so as to promote the first opening and closing cover and the second opening and closing cover to be opened or closed in a rotating mode; chinese patent

201711466052.8, the front end opening and closing mechanism comprises a first head cover and a second head cover, the first head cover and the second head cover are switchable between a closed state of being mutually closed and an open state of being mutually unfolded along the left-right direction, the opening and closing mechanism further comprises: a support; the first swing arm is connected with the first hood and can be rotatably connected with the bracket; the second swing arm is connected with the second hood and is rotatably connected with the bracket; the transmission piece is respectively connected with the first swing arm and the second swing arm and is used for enabling the first swing arm and the second swing arm to synchronously and reversely rotate; the transmission member includes: the first gear is coaxially and fixedly connected with the first swing arm; the second gear is coaxially and fixedly connected with the second swing arm, and the first gear is externally meshed with the second gear; a drive assembly including a first portion and a second portion that are retractable with respect to each other, the first portion of the drive assembly being coupled to the frame and the second portion of the drive assembly being coupled to one of the first swing arm and the second swing arm. The hood structure appearance slope among above-mentioned patent product and the prior art is less, is subject to the vehicle anticollision demand, and when the anti-creep mechanism was located the dustcoat outside, the switching of closing mechanism just can not satisfy the demand. Therefore, the opening and closing mechanism suitable for various hoods is developed and designed, and has positive social and economic benefits.

The utility model content is as follows:

the utility model aims to overcome the defects in the prior art and seek to design a novel opening and closing mechanism of a railway vehicle hood, so that the hood firstly moves forwards for a certain distance and then is opened and closed up and down to meet the use requirements of various hoods.

In order to achieve the above object, the main structure of the opening and closing mechanism for the railway vehicle head cover according to the present invention comprises a mounting and fixing unit, a sliding unit, a link unit, a front and rear actuating member, and a vertical actuating member as shown in fig. 1; the mounting and fixing unit is connected with the sliding unit through the front and back action driving piece, and the sliding unit is connected with the connecting rod unit through the up and down action driving piece; the mounting and fixing unit is connected with a railway vehicle body, the connecting rod unit is connected with the air guide sleeve, and the front and back action driving piece and the up and down action driving piece are air springs or air cylinders; after the sliding unit drives the air guide sleeve to move forwards by 100mm, as shown in fig. 3, the connecting rod unit drives the air guide sleeve to move upwards to the end position as shown in fig. 4.

The utility model relates to a main structure of an installation and fixation unit, which comprises an installation plate, a stiffening beam, a guide rail fixing beam, a first fixing plate, a first vertical beam, a first connecting beam, a fixed seat and a guide rail, wherein the stiffening beam is arranged on the installation plate; the two ends of a first connecting beam which is transversely arranged are respectively and vertically connected with the first vertical beam, the first vertical beam is vertically connected with a guide rail fixing beam, the top of the guide rail fixing beam is connected with a reinforcing beam, a first fixing plate is arranged on the side edge of the guide rail fixing beam and connected with a fixing seat with a pin shaft, a guide rail is arranged in the guide rail fixing beam, and mounting plates are arranged at the end parts of the reinforcing beam and the guide rail fixing beam; the main structure of the sliding unit comprises a cross beam, a second vertical beam, a second fixed plate, a second connecting beam, a front limiting plate, a rear limiting plate and a sliding block; two ends of a second connecting beam which is transversely arranged are respectively and vertically connected with a second vertical beam, the front end and the rear end of the second vertical beam are respectively provided with a front limiting plate and a rear limiting plate, the middle part of the second vertical beam is provided with a cross beam, the side part of the cross beam is provided with a second fixing plate, and a sliding block is arranged in the cross beam; the main structure of the connecting rod unit comprises a first connecting rod, a second connecting rod and a third connecting rod; the front end and the middle part of the first connecting rod are respectively provided with a front limiting block and a rear limiting block, and the first connecting rod is connected with the second connecting rod through a third connecting rod.

One end of a forward and backward action driving piece related by the utility model is connected with a first connecting beam, and the other end of the forward and backward action driving piece is connected with a second connecting beam; one end of the up-and-down action driving piece is connected with the second connecting beam, the other end of the up-and-down action driving piece is connected with one end of the supporting rod, the other end of the supporting rod is connected with the first connecting rod through the key shaft and the second vertical beam, and the up-and-down action driving piece is used as a driving source of the first connecting rod; the fixed seat is matched with the second fixed plate through a pin shaft arranged on the fixed seat, and the sliding position of the sliding unit is limited; the guide rail is connected with the slide block in a sliding way, and the slide block slides forwards and backwards in the guide rail; the second vertical beam is simultaneously used as a fixed connecting rod of the connecting rod unit and provides a rotating point for the first connecting rod and the second connecting rod; the front limiting plate limits the initial position of the connecting rod unit to prevent excessive return; the rear limiting plate limits the termination position of the connecting rod unit and prevents the connecting rod unit from moving upwards; the first connecting rod and the second connecting rod are respectively connected with the second vertical beam; the third connecting rod is connected with the air guide sleeve through a connecting plate; the mounting plate, the stiffening beam, the guide rail fixing beam, the first fixing plate, the first vertical beam, the first connecting beam, the fixing seat and the guide rail are welded into an integral structure; the crossbeam, the second vertical beam, the second fixing plate, the second connecting beam, the front limiting plate and the rear limiting plate are welded into an integral structure to keep stability.

Compared with the prior art, the mounting plate, the stiffening beam, the guide rail fixing beam, the first fixing plate, the first vertical beam, the first connecting beam, the fixing seat and the guide rail are welded into an integral structure, the cross beam, the second vertical beam, the second fixing plate, the second connecting beam, the front limiting plate and the rear limiting plate are welded into an integral structure so as to keep stability, the mounting and fixing unit is connected with a rail vehicle body, the connecting rod unit is connected with the air guide sleeve, the sliding unit drives the air guide sleeve to move forwards by 100mm, and then the connecting rod unit drives the air guide sleeve to move upwards to a stop position; the novel air guide hood is simple in structure, can overcome the limitations of the hood on the appearance and size requirements and the like, enables the air guide hood to move forwards and open backwards, avoids barrier parts and increases the movement space.

Description of the drawings:

fig. 1 is a schematic diagram of the principle of the main structure of the present invention.

Fig. 2 is a schematic view of the connection relationship between the guide rail and the slider according to the present invention.

Fig. 3 is a schematic view illustrating a state in which the pod of the present invention is moved forward by 100 mm.

Fig. 4 is a schematic view illustrating a state in which the pod is moved forward to the end position according to the present invention.

Fig. 5 is a schematic view of the closed state of the pod according to the present invention.

The specific implementation mode is as follows:

the utility model is further described below by way of an embodiment example in conjunction with the accompanying drawings.

Example 1:

the main structure of the railway vehicle head cover opening and closing mechanism comprises an installation fixing unit 11, a sliding unit 12, a connecting rod unit 13, a front and back action driving piece 14 and an up and down action driving piece 15 as shown in figure 1; the mounting and fixing unit 11 is connected with the sliding unit 12 through a front and back action driving piece 14, and the sliding unit 12 is connected with the connecting rod unit 13 through an up and down action driving piece 15; the mounting and fixing unit 11 is connected with a railway vehicle body, the connecting rod unit 13 is connected with the air guide sleeve 20, and the front and back action driving piece 14 and the up and down action driving piece 15 are air springs or air cylinders; after the sliding unit 12 drives the air guide sleeve 20 to move forwards by 100mm, as shown in fig. 3, the connecting rod unit 13 drives the air guide sleeve 20 to move upwards to the end position as shown in fig. 4; the main structure of the mounting and fixing unit 11 includes a mounting plate 111, a reinforcing beam 112, a rail fixing beam 113, a first fixing plate 114, a first vertical beam 115, a first connecting beam 116, a fixing seat 117, and a rail 118; the two ends of a first connecting beam 116 which is transversely arranged are respectively and vertically connected with a first vertical beam 115, the first vertical beam 115 is vertically connected with a guide rail fixing beam 113, the top of the guide rail fixing beam 113 is connected with a reinforcing beam 112, a first fixing plate 114 is arranged on the side edge of the guide rail fixing beam 113, the first fixing plate 114 is connected with a fixing seat 117 with a pin shaft, a guide rail 118 is arranged in the guide rail fixing beam 113, and mounting plates 111 are arranged at the end parts of the reinforcing beam 112 and the guide rail fixing beam 113; the main structure comprises a cross beam 121, a second vertical beam 122, a second fixing plate 123, a second connecting beam 124, a front limiting plate 125, a rear limiting plate 126 and a sliding block 127; two ends of a second connecting beam 124 which is transversely arranged are respectively and vertically connected with a second vertical beam 122, the front end and the rear end of the second vertical beam 122 are respectively provided with a front limiting plate 125 and a rear limiting plate 126, the middle part of the second vertical beam 122 is provided with a cross beam 121, the side part of the cross beam 121 is provided with a second fixing plate 123, and the inside of the cross beam 121 is provided with a sliding block 127; the main body structure of the link unit 13 includes a first link 131, a second link 132, and a third link 133; the front end and the middle part of the first link 131 are respectively provided with a front stopper 1311 and a rear stopper 1312, and the first link 131 and the second link 132 are connected by a third link 133.

When the guide cover 20 is opened by the rail vehicle hood opening and closing mechanism according to the embodiment: the pin shaft of the fixing seat 117 is opened, the front-back action driving member 14 drives the sliding unit 12 to move forward, after the front-back action driving member 14 moves forward to a certain position, the air guide sleeve 20 is driven to move upward by an initial external force (overcoming the resistance of the up-down action driving member 15), when the rotation points of the up-down action driving member 15, the support rod 152 and the key shaft 153 are connected into a straight line, the initial external force is withdrawn, at the moment, the up-down action driving member 15 drives the first connecting rod 131 to rotate through the key shaft 153, the first connecting rod 131 rotates and simultaneously drives the second connecting rod 132 and the third connecting rod 133 to rotate, the third connecting rod 133 drives the air guide sleeve 20 to move upward, and when the movement is in place, the front limiting block 1311 contacts with the rear limiting plate 126 to play a limiting terminating position role; when the pod 20 is closed: the pod 20 is moved downward by an initial external force, when the rotation points of the up-down motion driving member 15, the supporting rod 152 and the key shaft 153 are connected to form a straight line, the initial external force is withdrawn, at this time, the up-down motion driving member 15 drives the first connecting rod 131 to rotate through the key shaft 153, the first connecting rod 131 drives the second connecting rod 132 and the third connecting rod 133 to rotate while rotating, the third connecting rod 133 drives the pod 20 to move to the initial position, the rear limiting block 1312 contacts the front limiting plate 125 to play a limiting role, the pod 20 is pushed backward by the auxiliary external force to move the pod 20 backward, at this time, the auxiliary external force needs to overcome the resistance of the front-back motion driving member 14 (when the front-back motion driving member 14 is an air cylinder, the automatic control is performed), after the return, the pin shaft of the fixing seat 117 is matched with the fixing plate 123 to fix and limit the sliding unit 12.

Claims

1. A rail vehicle head cover opening and closing mechanism is characterized in that a main body structure comprises an installation fixing unit, a sliding unit, a connecting rod unit, a front and back action driving piece and an up and down action driving piece; the mounting and fixing unit is connected with the sliding unit through the front and back action driving piece, and the sliding unit is connected with the connecting rod unit through the up and down action driving piece; the mounting and fixing unit is connected with a rail vehicle body, the connecting rod unit is connected with the air guide sleeve, and the front and back action driving piece and the up and down action driving piece are air springs or air cylinders.

2. The opening and closing mechanism for the head cover of the railway vehicle as claimed in claim 1, wherein the main structure through which the mounting and fixing unit passes comprises a mounting plate, a reinforcing beam, a guide rail fixing beam, a first fixing plate, a first vertical beam, a first connecting beam, a fixing seat and a guide rail; the both ends of the first tie-beam that transversely sets up are connected with first perpendicular roof beam is perpendicular respectively, and first perpendicular roof beam is connected with the guide rail fixed beam is perpendicular, and the top and the stiffening beam of guide rail fixed beam are connected, and the side of guide rail fixed beam is provided with first fixed plate, and first fixed plate is connected with the fixing base that has the round pin axle, and the inside of guide rail fixed beam is provided with the guide rail, and the tip of stiffening beam and guide rail fixed beam all is provided with the mounting panel.

3. The opening and closing mechanism for the head cover of the railway vehicle as claimed in claim 2, wherein the main structure of the sliding unit comprises a cross beam, a second vertical beam, a second fixing plate, a second connecting beam, a front limiting plate, a rear limiting plate and a sliding block; the both ends of the second tie-beam that transversely sets up are erected the roof beam with the second respectively and are connected perpendicularly, and the front end and the rear end that the roof beam was erected to the second are provided with preceding limiting plate and back limiting plate respectively, and the middle part that the roof beam was erected to the second is provided with the crossbeam, and the lateral part of crossbeam is provided with the second fixed plate, and the inside of crossbeam is provided with the slider.

4. The rail vehicle hood opening and closing mechanism of claim 3, wherein the body structure of the link unit comprises a first link, a second link, and a third link; the front end and the middle part of the first connecting rod are respectively provided with a front limiting block and a rear limiting block, and the first connecting rod is connected with the second connecting rod through a third connecting rod.

5. The rail vehicle hood opening and closing mechanism of claim 4, wherein the forward and rearward motion driver is connected at one end to the first connecting beam and at the other end to the second connecting beam.

6. The opening and closing mechanism for a railway vehicle head cover as claimed in claim 4, wherein the up-down actuating member has one end connected to the second connecting beam and the other end connected to one end of a supporting rod, the other end of the supporting rod being connected to the first link through a key shaft and a second vertical beam, the up-down actuating member serving as a driving source of the first link.

7. The opening and closing mechanism for the railway vehicle hood as claimed in claim 4, wherein the fixed seat is matched with the second fixed plate through a pin shaft of the fixed seat to limit the sliding position of the sliding unit; the guide rail is connected with the slide block in a sliding way, and the slide block slides forwards and backwards in the guide rail.

8. The railway vehicle hood opening and closing mechanism of claim 4, wherein the second vertical beam serves as a fixed link of the link unit at the same time, providing a rotation point for the first link and the second link; the first connecting rod and the second connecting rod are respectively connected with the second vertical beam; the third connecting rod is connected with the air guide sleeve through a connecting plate.

9. The opening and closing mechanism for a railway vehicle hood as claimed in claim 4, wherein the front stopper limits the initial position of the link unit to prevent excessive return; the rear stopper plate restricts the end position of the link unit to prevent the upward movement from continuing.

10. The opening and closing mechanism for the head cover of the railway vehicle as claimed in claim 4, wherein the mounting plate, the reinforcing beam, the guide rail fixing beam, the first fixing plate, the first vertical beam, the first connecting beam, the fixing seat and the guide rail are welded as an integral structure; the crossbeam, the second vertical beam, the second fixing plate, the second connecting beam, the front limiting plate and the rear limiting plate are welded into an integral structure.