CN215204860U - Rail vehicle cab hood opening and closing mechanism - Google Patents

Abstract

The utility model relates to a rail vehicle technical field specifically is a rail vehicle cab hood closing mechanism, the upside of face guard is fixed with the upper cover down, and the both ends of lower face guard all are fixed with the side guard board, the opening has been seted up to the middle section position of face guard down, the open-ended inboard is located both ends position department symmetry and is provided with two switching face guard baffles, the internal surface downside of face guard is located opening both ends position department symmetry down and is fixed with two first casings. The utility model relates to a novelty, the structure is ingenious, through actuating mechanism, drives four drive pivots and rotates, and four drives are rotated and are driven four and go up connecting rod and four lower connecting rods and rotate, can drive two switching face guard baffles through parallelogram link mechanism principle and merge and separate, play the hood switching effect, conveniently overhaul train driver's cabin hood interior equipment, simple structure, the operation is reliable and stable, response speed piece, and the space occupies lessly.

Description

Rail vehicle cab hood opening and closing mechanism

Technical Field

The utility model relates to a rail vehicle technical field specifically is a rail vehicle cab hood closing mechanism.

Background

The cab hood device on the rail vehicle can separate the internal space of a cab from the external space, generally adopts integral unsaturated polyester glass fiber reinforced plastic materials, is arranged at one end of a vehicle head, has the thickness of 30-50mm, is supported by a vehicle body framework at the inner side, and is connected with a vehicle body at the periphery.

However, the existing cab hood is fixed with the vehicle body through bolts and connecting supports, so that the cab hood needs to be integrally detached when internal equipment of the train cab hood is overhauled, the operation is complex, great inconvenience exists, and the overhauling efficiency is reduced. Accordingly, those skilled in the art have provided a railway vehicle cab hood opening and closing mechanism that solves the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rail vehicle cab hood closing mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a hood opening and closing mechanism of a railway vehicle cab comprises a lower face shield, wherein an upper face shield is fixed on the upper side of the lower face shield, side guard plates are fixed at two ends of the lower face shield, an opening is formed in the middle section of the lower face shield, two opening and closing face shield baffles are symmetrically arranged at positions, located at two ends, of the inner side of the opening, two first shells are symmetrically fixed at positions, located at two ends, of the lower side of the inner surface of the lower face shield, an upper support plate is fixed at positions, corresponding to the two first shells, of the upper side of the inner surface of the lower face shield, a second shell is fixed at a position, located between the two first shells, of the inner surface of the lower face shield, two driving rotating shafts are rotatably inserted into the upper sides of the two first shells, the top ends of the four driving rotating shafts are rotatably connected with the lower sides of the two upper support plates respectively, and lower connecting rods are fixed at positions, located at the bottom ends, of the outer sides of the four driving rotating shafts, the outer sides of the four driving rotating shafts are respectively fixed with an upper connecting rod at the top end position, one end of each of the four upper connecting rods and one end of each of the four lower connecting rods are respectively rotatably connected with one side of each of the two mask opening and closing baffles, and a driving mechanism is arranged between the two first shells and the second shell;

the driving mechanism comprises a driving motor and four worm wheels, wherein the driving motor is installed at one end of the outer portion of the second shell, the four worm wheels are fixed at one end of each of the four worm wheels, one end of each worm wheel is provided with a worm, the worm is meshed with the corresponding worm wheel, a transmission shaft extending to the outer portion of the first shell is fixed at one end of each worm, the transmission shaft extends to the inner side of the second shell, driven bevel gears are fixed at one ends of the two transmission shafts, a gear shaft is fixed at the output end of the driving motor, driving bevel gears are fixed at the tail ends of the gear shafts, and the two sides of the driving bevel gears are meshed with the two driven bevel gears through teeth respectively.

As a further aspect of the present invention: the outside of gear shaft is rotated the cover and is equipped with motor shaft backup pad, the both ends of motor shaft backup pad are fixed mutually with the inboard of second casing.

As a further aspect of the present invention: one end of each of the two worms is rotatably connected with a worm bearing, and one end of each of the two worm bearings is fixed to one end of the inner side of each of the two first housings.

As a further aspect of the present invention: four go up connecting rod and four lower connecting rods and all adopt stainless steel's component, and the inside of four going up connecting rod and four lower connecting rods is hollow structure, four go up the connecting rod and four lower connecting rod length equals.

As a further aspect of the present invention: two the upside of going up the backup pad is located both ends position department and all the symmetry is fixed with two gusset plates, four one side of gusset plate all is fixed mutually with the internal surface of following cover.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty, the structure is ingenious, through actuating mechanism, drives four drive pivots and rotates, and four drives are rotated and are driven four and go up connecting rod and four lower connecting rods and rotate, can drive two switching face guard baffles through parallelogram link mechanism principle and merge and separate, play the hood switching effect, conveniently overhaul train driver's cabin hood interior equipment, simple structure, the operation is reliable and stable, response speed piece, and the space occupies lessly.

Drawings

FIG. 1 is a schematic structural view of a hood opening and closing mechanism of a cab of a railway vehicle;

FIG. 2 is a rear view of a rail vehicle cab hood opening and closing mechanism;

FIG. 3 is an enlarged schematic view of the opening and closing mechanism of the cab hood of the railway vehicle at A in FIG. 2;

fig. 4 is a schematic structural diagram of a driving mechanism in a railway vehicle cab hood opening and closing mechanism.

In the figure: 1. a lower face mask; 2. an upper face mask; 3. a side guard plate; 4. opening and closing a mask baffle; 5. an upper connecting rod; 6. a first housing; 7. an upper support plate; 8. driving the rotating shaft; 9. a lower connecting rod; 10. a second housing; 11. a drive motor; 12. a drive shaft; 13. a driven bevel gear; 14. a drive bevel gear; 15. a worm; 16. a worm gear; 17. a motor rotating shaft supporting plate; 18. and a worm bearing.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a hood opening and closing mechanism for a railway vehicle cab includes a lower face shield 1, an upper face shield 2 is fixed on an upper side of the lower face shield 1, side guard plates 3 are fixed on both ends of the lower face shield 1, an opening is formed in a middle section of the lower face shield 1, two opening and closing face shield baffles 4 are symmetrically arranged at positions of both ends of an inner side of the opening, two first shells 6 are symmetrically fixed at positions of both ends of the opening on a lower side of an inner surface of the lower face shield 1, upper support plates 7 are fixed at positions of the inner surface of the lower face shield 1 corresponding to the two first shells 6, two reinforcing plates are symmetrically fixed at positions of both ends of the upper side of the two upper support plates 7, one side of each of the four reinforcing plates is fixed with the inner surface of the lower face shield 1, and the reinforcing plates are used for reinforcing the upper support plates 7, so as to improve stability thereof;

a second shell 10 is fixed on the inner surface of the lower mask 1 between the two first shells 6, two driving rotating shafts 8 are rotatably inserted on the upper sides of the two first shells 6, the top ends of the four driving rotating shafts 8 are respectively rotatably connected with the lower sides of the two upper supporting plates 7, and the outer sides of the four driving rotating shafts 8 are all fixed with lower connecting rods 9 at the bottom positions, the outer sides of the four driving rotating shafts 8 are all fixed with upper connecting rods 5 at the top positions, one ends of the four upper connecting rods 5 and the four lower connecting rods 9 are respectively connected with one sides of the two mask baffles 4 in a rotating way, the four upper connecting rods 5 and the four lower connecting rods 9 are all made of stainless steel components, the four upper connecting rods 5 and the four lower connecting rods 9 are all of hollow structures, the four upper connecting rods 5 and the four lower connecting rods 9 are equal in length, members made of stainless steel are high in strength and corrosion resistant, and the service life is prolonged;

a driving mechanism is arranged between the two first shells 6 and the second shell 10, the driving mechanism comprises a driving motor 11 arranged at one end outside the second shell 10 and four worm wheels 16 fixed at one ends of the four driving rotating shafts 8, one side of each of the two worm wheels 16 at one end is provided with a worm 15, one end of each of the two worms 15 is rotatably connected with a worm bearing 18, one end of each of the two worm bearings 18 is respectively fixed with one end of the inner side of each of the two first shells 6, and the worm bearings 18 are used for rotatably connecting the worm 15 with the inner sides of the first shells 6;

the two worms 15 are respectively meshed with the four worm gears 16, one ends of the two worms 15 are respectively fixed with a transmission shaft 12 extending to the outside of the first shell 6, one ends of the two transmission shafts 12 extend to the inner side of the second shell 10, one ends of the two transmission shafts 12 are respectively fixed with a driven bevel gear 13, the output end of the driving motor 11 is fixed with a gear shaft, the outer side of the gear shaft is rotatably sleeved with a motor rotating shaft supporting plate 17, two ends of the motor rotating shaft supporting plate 17 are fixed with the inner side of the second shell 10, and the motor rotating shaft supporting plate 17 is used for supporting the gear shaft, so that the stability is improved;

the tail end of the gear shaft is fixedly provided with a driving bevel gear 14, the two sides of the driving bevel gear 14 are respectively meshed with two driven bevel gears 13 through teeth, the driving mechanism drives four driving rotating shafts to rotate, four driving rotating shafts drive four upper connecting rods and four lower connecting rods to rotate, and two opening and closing face guard baffles 4 can be driven to be combined and separated through the parallelogram connecting rod mechanism principle, so that the opening and closing function of the helmet is achieved, and the internal equipment of the helmet of a train cab can be conveniently overhauled.

The utility model discloses a theory of operation is: firstly, a driving motor 11 is controlled to rotate, the driving motor 11 drives a driving bevel gear 14 to rotate through a gear shaft, the driving bevel gear 14 drives two driven bevel gears 13 to reversely rotate through tooth meshing, the two driven bevel gears 13 drive two transmission shafts 12 to reversely rotate, the two transmission shafts 12 respectively drive two worms 15 to reversely rotate, the two worms 15 respectively drive four worm wheels 16 to reversely rotate through meshing, the four worm wheels 16 drive four driving rotating shafts 8 to reversely rotate, the four driving rotating shafts 8 drive four upper connecting rods 5 and four lower connecting rods 9 on the outer sides of the four driving rotating shafts to reversely rotate, the four upper connecting rods 5 and the four lower connecting rods 9 respectively drive two opening and closing face shield baffles 4 to slide towards the two ends of the outer surface of a lower face shield 1 through a parallelogram connecting rod mechanism principle, so that the two opening and closing face shield baffles 4 can be separated, the driving motor 11 is controlled to reversely rotate, and the two opening and closing face shields 4 can be combined through the principle, the mechanism has the advantages of simple structure, stable and reliable operation and small occupied space.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a rail vehicle cab hood opening and closing mechanism, includes lower face guard (1), its characterized in that, the upside of face guard (1) is fixed with upper cover (2) down, and the both ends of face guard (1) all are fixed with side guard plate (3) down, the opening has been seted up to the middle section position of face guard (1) down, open-ended inboard is located both ends position department symmetry and is provided with two switching face guard baffles (4), the internal surface downside of face guard (1) is located opening both ends position department symmetry and is fixed with two first casings (6) down, and the internal surface upside of face guard (1) corresponds the position department of two first casings (6) and all is fixed with upper support plate (7) down, the internal surface of face guard (1) is located position department between two first casings (6) and is fixed with second casing (10) down, two the upside of first casing (6) all rotates to insert and is equipped with two drive pivot (8), the top ends of the four driving rotating shafts (8) are respectively rotatably connected with the lower sides of the two upper supporting plates (7), lower connecting rods (9) are fixed at positions, located at the bottom ends, of the outer sides of the four driving rotating shafts (8), upper connecting rods (5) are fixed at positions, located at the top ends, of the outer sides of the four driving rotating shafts (8), one ends of the four upper connecting rods (5) and one ends of the four lower connecting rods (9) are respectively rotatably connected with one sides of the two opening and closing mask baffles (4), and a driving mechanism is arranged between the two first shells (6) and the second shell (10);

the driving mechanism comprises a driving motor (11) arranged at one end of the outside of the second shell (10) and four worm wheels (16) fixed at one ends of the four driving rotating shafts (8), one side of each of the two worm wheels (16) at one end is provided with a worm (15), the two worms (15) are respectively meshed with the four worm wheels (16), and one end of each worm (15) is fixed with a transmission shaft (12) extending to the outside of the first shell (6), one end of each transmission shaft (12) extends to the inner side of the second shell (10), and one end of each of the two transmission shafts (12) is fixed with a driven bevel gear (13), a gear shaft is fixed at the output end of the driving motor (11), a driving bevel gear (14) is fixed at the tail end of the gear shaft, and both sides of the driving bevel gear (14) are respectively meshed with the two driven bevel gears (13) through teeth.

2. The opening and closing mechanism of the rail vehicle cab hood as claimed in claim 1, wherein a motor shaft support plate (17) is rotatably sleeved on the outer side of the gear shaft, and both ends of the motor shaft support plate (17) are fixed to the inner side of the second housing (10).

3. The opening and closing mechanism for the nose cover of the cab of the railway vehicle as claimed in claim 1, wherein one end of each of the two worms (15) is rotatably connected with a worm bearing (18), and one end of each of the two worm bearings (18) is fixed with one end of the inner side of each of the two first housings (6).

4. The opening and closing mechanism of the railway vehicle cab hood is characterized in that the four upper connecting rods (5) and the four lower connecting rods (9) are all made of stainless steel, the interiors of the four upper connecting rods (5) and the four lower connecting rods (9) are all hollow structures, and the lengths of the four upper connecting rods (5) and the four lower connecting rods (9) are equal.

5. The opening and closing mechanism of the railway vehicle cab hood as claimed in claim 1, wherein two reinforcing plates are symmetrically fixed at both ends of the upper side of the two upper supporting plates (7), and one side of each of the four reinforcing plates is fixed with the inner surface of the lower cover (1).

Images