CN210363835U - Swing arm type top cover opening and closing device of freight open wagon - Google Patents

Abstract

The utility model discloses a swing arm type top cover switching device of a freight open wagon, which comprises a swing arm type mechanism arranged on the end surface of a wagon body, wherein the swing arm type mechanism comprises a driving lever and a swing arm, one end of the swing arm is in transmission connection with the driving lever in a matching way through a transmission mechanism, so that the other end of the swing arm can be driven to swing back and forth along the width direction of the wagon body through the rotation of the driving lever, a telescopic top cover is arranged at an opening at the top of the wagon body along the width direction of the wagon body, one end of the telescopic top cover is connected with the wagon body, and the other end of the telescopic top cover is in matching; the swing arm type top cover opening and closing device further comprises a driving power mechanism, the driving power mechanism is used for driving the shifting rod to rotate, and then the other end of the swing arm is driven to swing back and forth along the width direction of the vehicle body through the rotation of the shifting rod, so that the telescopic top cover extends out and opens along the width direction of the vehicle body to cover the vehicle body opening or retracts and folds along the width direction of the vehicle body to open the vehicle body opening.

Description

Swing arm type top cover opening and closing device of freight open wagon

Technical Field

The utility model relates to a top cap switching device especially relates to a swing arm formula top cap switching device of uncovered car of freight transportation.

Background

The freight open wagon is a wagon which is provided with an end wall, a side wall and a floor but does not have a roof and is opened upwards, is mainly used for conveying bulk goods such as coal, ore, mineral materials, wood, steel and the like, and can also be used for conveying mechanical equipment with small weight. Therefore, the open wagon has great versatility, and the number is the largest in wagon compositions.

In order to prevent the goods such as coal in the carriage from falling down along the line and damaging the surrounding environment during the transportation of the freight open wagon, canvas or other awning is generally required to cover the top of the carriage. At present, when covering or detaching canvas on the top of a carriage, the canvas is manually removed, but the canvas is operated, so that the labor intensity of workers is high, and the working efficiency is low. Therefore, some movable top covers capable of being automatically opened are designed in the prior art, however, the movable top covers are opened and closed through manual operation, and therefore the adding cost and the adding difficulty of the movable top covers are increased.

The related patent documents that the applicant has filed are as follows:

the Chinese utility model patent with the authorization notice number of CN207481910U and the authorization notice date of 2018, 6 and 12 discloses an opening and closing mechanism of a folding movable top cover of a freight open wagon, which comprises a folding movable top cover arranged on the open wagon, wherein the folding movable top cover comprises a folding movable top cover I and a folding movable top cover II, and the folding movable top cover I and the folding movable top cover II can be respectively folded and opened from the middle part of the open wagon to the two ends of the open wagon; the opening and closing mechanism further comprises a belt type transmission mechanism, the belt type transmission mechanism comprises a first rotating wheel and a second rotating wheel which are rotatably connected to two sides of the open wagon through a first rotating shaft, a third rotating wheel, a fourth rotating wheel and a transmission belt, the third rotating wheel and the fourth rotating wheel are rotatably connected to two sides of the open wagon through a second rotating shaft, the transmission belt comprises a first transmission belt and a second transmission belt, the first rotating wheel and the third rotating wheel are in matched transmission connection through the first transmission belt, and the second rotating wheel and the fourth rotating wheel are in matched transmission connection through the second transmission belt; one end of the first folding movable top cover is connected with one side of the first transmission belt, one end of the first folding movable top cover is provided with a first external convex part, the other end of the first folding movable top cover is fixedly connected to the open wagon, one end of the second folding movable top cover is connected with one side of the second transmission belt, one end of the second folding movable top cover is provided with a second external convex part, the moving direction of one side of the first transmission belt is opposite to the moving direction of one side of the second transmission belt, and the other end of the second folding movable top cover is also fixedly connected to the open wagon; the first folding movable top cover and the second folding movable top cover are folded and unfolded from the middle part of the open wagon to the two ends of the open wagon respectively; when the open wagon continues to move towards the same direction, the stop block device II is contacted with the outer convex part two phase, so that the belt type transmission mechanism is driven to rotate towards the other opposite direction, and the folding movable top cover I and the folding movable top cover II extend out from the two ends of the open wagon to the middle of the open wagon and are closed.

The Chinese utility model patent with the authorization notice number of CN207225367U and the authorization notice date of 2018, 4 and 13 discloses a folding movable top cover for a freight open wagon, which comprises a track arranged on the top of a carriage of the open wagon, a folding cover plate arranged on the track and a driving mechanism arranged on the carriage of the open wagon; the driving mechanism comprises a belt type transmission mechanism and a pneumatic motor for driving the belt type transmission mechanism to rotate, one end of the folding cover plate is fixedly connected with the open wagon compartment, the other end of the folding cover plate is connected with a transmission belt of the belt type transmission mechanism, and the other end of the folding cover plate can move back and forth along a track under the driving of the transmission belt, so that the folding cover plate can be opened to shield the open wagon compartment top opening or can be folded together to expose the open wagon compartment top opening.

Thirdly, the Chinese utility model patent with the authorized announcement number of CN207225366U and the authorized announcement date of 2018, 4 and 13 discloses a curled foldable top cover of a two-way driven freight open wagon, wherein both ends of a carriage are provided with driving mechanisms, the top cover is arranged above the carriage, the front end of the top cover is fixed on the driving mechanism at the front end, and the driving mechanism at the front end can be rotated to curl the top cover on the driving mechanism at the front end to open the top cover on the carriage; the rear end of the top cover is fixedly connected with one end of the rope, the other end of the rope is fixed on the driving mechanism at the rear end, and the rope can be curled on the driving mechanism at the rear end by rotating the driving mechanism at the rear end to close the top cover on the carriage.

The technical solutions in the above patent documents are not similar to the present application.

To sum up, how to design a top cap switching device of freight transportation open wagon, make it can open or close the top cap automatically, need not to accomplish through manual operation, reduce the additional degree of difficulty of installing of top cap and install the cost additional and be the technical problem that the urgent need be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the defect that exists among the prior art, provide a swing arm formula top cap switching device of uncovered car of freight transportation, it can open or close the top cap automatically, need not to accomplish through manual operation, has reduced the additional degree of difficulty of installing of top cap and has installed the cost additional.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: a swing arm type top cover opening and closing device of a freight open wagon comprises a swing arm type mechanism arranged on the end face of a wagon body, wherein the swing arm type mechanism comprises a driving rod and a swing arm, one end of the swing arm is in matched transmission connection with the driving rod through a transmission mechanism, so that the rotation of the driving rod can drive the other end of the swing arm to swing back and forth along the width direction of the wagon body, a telescopic top cover is arranged at an opening at the top of the wagon body along the width direction of the wagon body, one end of the telescopic top cover is connected with the wagon body, and the other end of the telescopic top cover is in matched connection with the other end;

the swing arm type top cover opening and closing device further comprises a driving power mechanism, the driving power mechanism is used for driving the shifting rod to rotate, and then the other end of the swing arm is driven to swing back and forth along the width direction of the vehicle body through the rotation of the shifting rod, so that the telescopic top cover extends out and opens along the width direction of the vehicle body to cover the vehicle body opening or retracts and folds along the width direction of the vehicle body to open the vehicle body opening.

Preferably, a first top cover guide rail and a second top cover guide rail are respectively arranged at the position of the opening of the vehicle body and at the two ends of the vehicle body, the first top cover guide rail and the second top cover guide rail are arranged along the width direction of the vehicle body, the telescopic top cover comprises a plurality of top cover supporting guide rods arranged along the length direction of the vehicle body and a top cover connected onto the top cover supporting guide rods, guide wheels are arranged at the two ends of each top cover supporting guide rod, and the guide wheels at the two ends of each top cover supporting guide rod are respectively matched and slidably connected with the first top cover guide rail and the second top cover guide rail, so that the top cover supporting guide rods are slidably connected between;

two top cover support guide rods on the outermost sides of two sides of the top cover support guide rods are an outer top cover support guide rod I and an outer top cover support guide rod II, the outer top cover support guide rod I is connected with the vehicle body, and the outer top cover support guide rod II is connected with the other end of the swing arm, so that the top cover can be driven to extend and extend or retract under the back-and-forth swing of the swing arm.

Preferably, a first side guide rail and a second side guide rail are respectively arranged on one side of two end faces of the vehicle body, and one ends of the first side guide rail and the second side guide rail are respectively communicated with one end of the first top cover guide rail and one end of the second top cover guide rail; a first spring and a second spring are respectively arranged at the first side guide rail and the second side guide rail, one end of the first spring is fixedly connected with the vehicle body, the other end of the first spring is connected with one end of the first outside top cover supporting guide rod, one end of the second spring is fixedly connected with the vehicle body, and the other end of the second spring is connected with the other end of the first outside top cover supporting guide rod; when the top cover extends and expands, the first spring and the second spring are both in a stretching state, and when the top cover retracts and folds, the first spring and the second spring both restore to an original state.

Preferably, a first limiting block and a second limiting block are further arranged on the first side guide rail and the second side guide rail respectively, and when the top cover retracts and is folded, two ends of the first outer side top cover supporting guide rod are in contact with the first limiting block and the second limiting block respectively.

Preferably, the first top cover guide rail and the second top cover guide rail comprise support frames arranged at the end parts of the vehicle body and guide grooves arranged on the support frames along the width direction of the vehicle body, and guide wheels at two ends of each top cover support guide rod are distributed and extend into the guide grooves of the first top cover guide rail and the second top cover guide rail to be matched and connected in a sliding mode.

Preferably, the top of the support frame is provided with a U-shaped water collecting tank, the guide groove is arranged on one side edge of the U-shaped water collecting tank, and a drain hole is formed in one side edge of the U-shaped water collecting tank; and gaps are reserved between the end surfaces of the two ends of each top cover supporting guide rod and one side edge of the U-shaped water collecting groove of the first top cover guide rail and the second top cover guide rail respectively.

Preferably, the deflector rod comprises a first deflector rod and a second deflector rod, the first deflector rod and the second deflector rod both comprise a transverse connecting rod and a deflector rod body perpendicular to the transverse connecting rod, and one end of the deflector rod body is connected with one end of the transverse connecting rod;

the transmission mechanism adopts a steering gear, the steering gear is arranged on the end face of the vehicle body, and the other end of the transverse connecting rod of the first shifting rod, the other end of the transverse connecting rod of the second shifting rod and one end of the swing arm are in transmission connection with the steering gear in a matching way, so that the other end of the swing arm can be driven to swing back and forth along the width direction of the vehicle body through the rotation of the shifting rod.

Preferably, the driving power mechanism is a power mechanism arranged on the vehicle body.

Preferably, the driving power mechanism is a blocking block arranged on the ground, and the shifting lever is contacted with the blocking block on the ground through the movement of the vehicle body to drive the shifting lever to rotate.

Preferably, the other end of the transverse connecting rod of the first shifting rod and the other end of the transverse connecting rod of the second shifting rod are respectively in matched transmission connection with the first coupling shaft and the second coupling shaft of the steering gear, the transverse connecting rod of the first shifting rod, the first coupling shaft, the second coupling shaft and the transverse connecting rod of the second shifting rod are sequentially arranged along the width direction of the vehicle body, one end of the swing arm is in matched rotation connection with the third coupling shaft of the steering gear, and the third coupling shaft of the steering gear is arranged along the length direction of the vehicle body;

the other end of the deflector rod body of the first deflector rod and the other end of the deflector rod body of the second deflector rod are respectively contacted with the ground blocking block, and the other end of the driving swing arm swings back and forth along the width direction of the vehicle body.

The beneficial effects of the utility model reside in that: the utility model discloses can open or close the top cap automatically, need not to accomplish through manual operation, reduced installing additional the degree of difficulty of top cap and install additional the cost. Through the arrangement of the lateral guide rails and the springs, the open end of the truck body can be completely opened when the freight open wagon is loaded; in addition, the smoothness of opening and closing the top cover is increased, and the smooth loading work of the freight open wagon is further ensured. The retraction position of the top cover can be ensured by additionally arranging the limiting block on the side guide rail. Through set up U type water catch bowl and wash port on the top cap guide rail, can avoid the rainwater to enter into the automobile body inside. The swing arm type mechanisms are arranged at the two ends of the vehicle body and are respectively matched and connected with the telescopic top cover, so that the telescopic top cover can be smoothly opened or closed conveniently.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of the right side view of the structure of FIG. 1;

fig. 3 is a schematic front view of a swing arm mechanism in embodiment 1 of the present invention;

FIG. 4 is a left side view of the structure of FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 1;

fig. 6 is a schematic structural view of the embodiment 1 of the present invention when the top cover is not opened;

fig. 7 is a schematic structural view of the embodiment 1 of the present invention after the top cover is opened;

fig. 8 is a schematic front view of a first shift lever according to embodiment 1 of the present invention;

fig. 9 is a schematic perspective view of a swing arm mechanism in embodiment 1 of the present invention;

fig. 10 is a first schematic view of the opening and closing of the top cover in embodiment 1 of the present invention;

fig. 11 is a schematic diagram of the principle of opening and closing the top cover in embodiment 1 of the present invention;

fig. 12 is a third schematic view of the opening and closing of the top cover in embodiment 1 of the present invention;

fig. 13 is a fourth schematic view of the principle of opening and closing the top cover in embodiment 1 of the present invention;

fig. 14 is a schematic front view of embodiment 2 of the present invention;

fig. 15 is a schematic top view illustrating a relationship between a shift lever of the first swing arm mechanism and a shift lever of the second swing arm mechanism according to embodiment 2 of the present invention;

fig. 16 is a first schematic view of the opening and closing of the top cover in embodiment 2 of the present invention;

fig. 17 is a schematic view of the opening and closing of the top cover in embodiment 2 of the present invention;

fig. 18 is a third schematic view of the opening and closing of the top cover in embodiment 2 of the present invention;

fig. 19 is a fourth schematic view of the principle of opening and closing the top cover in embodiment 2 of the present invention;

in the figure: 1. the vehicle body comprises a vehicle body, 2 parts of a swing arm type mechanism, 211 parts of a swing arm type mechanism I, 212 parts of a swing arm type mechanism II, 3 parts of a driving lever, 4 parts of a swing arm, 411 parts of a connecting sheet, 412 parts of a waist hole, 5 parts of a transmission mechanism, 511 parts of a coupling shaft I, 512 parts of a coupling shaft II, 513 parts of a coupling shaft III, 6 parts of an opening, 7 parts of a telescopic top cover, 8 parts of a top cover guide rail I, 9 parts of a top cover guide rail II, 10 parts of a top cover support guide rod, 101 parts of an outer top cover support guide rod I, 102 parts of an outer top cover support guide rod II, 103 parts of a guide wheel, 104 parts of a wheel shaft, 11 parts of a top cover, 12 parts of a side guide rail I, 13 parts of a side guide rail II, 14 parts of a spring I, 15 parts of a connecting seat I, 16 parts of a limiting block I, 17 parts, 23. the driving lever comprises a driving lever body, 24 parts of bearing seats, 25 parts of first blocking blocks, 26 parts of second blocking blocks, 27 parts of contact rollers, 28 parts of third blocking blocks, 29 parts of fourth blocking blocks, 30 parts of fifth blocking blocks, 31 parts of sixth blocking blocks.

Detailed Description

The technical solution of the present invention will be further elaborated with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in fig. 1 to 4, the swing arm type top cover opening and closing device of the freight open wagon comprises a swing arm type mechanism 2 arranged on the end surface of a wagon body 1, wherein the swing arm type mechanism 2 comprises a shift lever 3 and a swing arm 4, one end of the swing arm 4 is in transmission connection with the shift lever 3 in a matching manner through a transmission mechanism 5, so that the other end of the swing arm 4 can be driven to swing back and forth along the width direction (Y direction) of the wagon body through the rotation of the shift lever 3, a telescopic top cover 7 is arranged at an opening 6 at the top of the wagon body 1 along the width direction (Y direction) of the wagon body, one end of the telescopic top cover 7 is connected with the wagon body 1, and the other end of the telescopic top cover 7 is in;

the swing arm type top cover opening and closing device of the freight open wagon further comprises a driving power mechanism (not shown in the figure) capable of enabling the driving lever to rotate, the driving power mechanism is used for driving the driving lever 3 to rotate, and then the other end of the swing arm 4 is driven to swing back and forth along the width direction (Y direction) of the wagon body through the rotation of the driving lever 3, so that the telescopic top cover 7 extends out and opens the wagon body opening 6 or the telescopic top cover 7 retracts and closes the wagon body opening 6 along the wagon body width direction (Y direction) to open the wagon body opening 6. This embodiment can open or close the top cap automatically through above-mentioned structural design, need not to accomplish through manual operation, has reduced installing additional degree of difficulty and installing additional cost of top cap.

As shown in fig. 1, 2 and 5, a roof rail I8 and a roof rail II 9 are respectively arranged at the position of the vehicle body opening 6 and at the two ends of the vehicle body 1, the roof rail I8 and the roof rail II 9 are arc-shaped, the roof rail I8 and the roof rail II 9 are both arranged along the width direction (Y direction) of the vehicle body, the telescopic top cover 7 comprises a plurality of top cover supporting guide rods 10 arranged along the length direction (X direction) of the vehicle body and a top cover 11 connected on the plurality of top cover supporting guide rods 10, guide wheels 103 are arranged at two ends of each top cover supporting guide rod 10, by respectively matching and sliding the guide wheels 103 at the two ends of each top cover supporting guide rod with the first top cover guide rail 8 and the second top cover guide rail 9, so that a plurality of top cover support guide rods 10 are slidably connected between the first top cover guide rail 8 and the second top cover guide rail 9, and the top cover 11 can be made of canvas or other awning objects;

two top cover supporting guide rods on the outermost sides of two sides of the plurality of top cover supporting guide rods 10 are an outer top cover supporting guide rod I101 and an outer top cover supporting guide rod II 102, the outer top cover supporting guide rod I101 is connected with the vehicle body 1, and the outer top cover supporting guide rod II 102 is connected with the other end of the swing arm 4, so that the top cover 11 can be driven to stretch out and stretch out or retract and furl under the back-and-forth swing of the swing arm 4.

As shown in fig. 1, 2, 6 and 7, a first side guide rail 12 and a second side guide rail 13 are respectively arranged on one side of two end surfaces of the vehicle body 1, and one ends of the first side guide rail 12 and the second side guide rail 13 are respectively communicated with one end of a first roof guide rail 8 and one end of a second roof guide rail 9; a first spring 14 and a second spring are respectively arranged at the first side guide rail 12 and the second side guide rail 13, one end of the first spring 14 is fixedly connected with the vehicle body through a first connecting seat 15, the other end of the first spring 14 is connected with one end of a first outside top cover supporting guide rod 101, one end of the second spring is fixedly connected with the vehicle body through a second connecting seat, and the other end of the second spring is connected with the other end of the first outside top cover supporting guide rod; when the top cover extends and expands, the first spring and the second spring are both in a stretching state, and when the top cover retracts and folds, the first spring and the second spring both restore to an original state. In the embodiment, after the swing arm drives the top cover to extend and open, the plurality of top cover supporting guide rods are all positioned on the top cover guide rail, so that the top cover is opened to shield the opening of the vehicle body, and at the moment, the spring is in a stretching state under the action of the pulling force of the first outside top cover supporting guide rod; when the control swing arm rotates reversely to drive the second outside top cover supporting guide rod to move reversely, the first outside top cover supporting guide rod also moves reversely under the restoring force of the spring, so that most of the top cover supporting guide rods move to the side guide rail finally, and the top cover is folded and accommodated on the side part of the vehicle body. By the arrangement of the structure, the open end of the truck body can be completely opened when the freight open truck is loaded; in addition, the smoothness of opening and closing the top cover is increased, and the smooth loading work of the freight open wagon is further ensured. In this embodiment, the spring may be a tension spring.

And a first limiting block 16 and a second limiting block are respectively arranged on the first side guide rail 12 and the second side guide rail 13, and after the top cover retracts and is folded, two ends of the first outside top cover supporting guide rod 101 are respectively contacted with the first limiting block 16 and the second limiting block. When the top cover retracts, the limiting block is arranged to limit the first outside top cover supporting guide rod, and therefore the retraction position of the top cover can be guaranteed.

As shown in fig. 1 and 5, each of the first roof rail 8 and the second roof rail 9 includes a support frame 17 disposed at an end of the vehicle body and an arc-shaped guide groove 18 disposed on the support frame 17 along a width direction of the vehicle body, and guide wheels 103 at two ends of each roof support guide rod 10 are distributed and extend into the guide grooves 18 of the first roof rail and the second roof rail to be in sliding connection. The other end of the swing arm 4 is also provided with an L-shaped connecting piece 411, one side of the L-shaped connecting piece is provided with a waist hole 412, a wheel shaft 104 of a guide wheel of the outer side top cover supporting guide rod two 102 penetrates through the waist hole 412 to be matched and connected with the L-shaped connecting piece 411, and the top cover guide rail is arc-shaped, so that the swing arm can be ensured to better drive the top cover supporting guide rod to move back and forth along the top cover guide rail in the swinging process.

The top of the supporting frame 17 is provided with a U-shaped water collecting tank 171, the guide groove 18 is arranged on one side of the U-shaped water collecting tank 171, and a drain hole 19 is further formed on one side of the U-shaped water collecting tank 171; a gap L is left between the end surfaces of the two ends of each top cover supporting guide rod 10 and one side of the U-shaped water collecting groove 171 of the first top cover guide rail and the second top cover guide rail. When meeting weather, the rainwater can fall into U type water catch bowl along the top cap in, and the rethread wash port is discharged, can avoid the rainwater to enter into the automobile body inside like this.

As shown in fig. 3 and 4 and fig. 8 and 9, the shift lever 3 includes a first L-shaped shift lever 20 and a second L-shaped shift lever 21, the first shift lever 20 and the second shift lever 21 both include a transverse connecting rod 22 and a shift lever body 23 perpendicular to the transverse connecting rod 22, and one end of the shift lever body 23 is connected to one end of the transverse connecting rod 22;

the transmission mechanism 5 adopts a steering gear, the steering gear is arranged on the end face of the vehicle body, and the other end of the transverse connecting rod 22 of the first shifting rod 20, the other end of the transverse connecting rod 22 of the second shifting rod 21 and one end of the swing arm 4 are in transmission connection with the steering gear in a matching way, so that the rotation of the shifting rods can drive the other end of the swing arm 4 to swing back and forth along the width direction of the vehicle body. The deflector rod rotates along the length direction (X direction) of the vehicle body, and the action direction of the force is converted by the steering gear so as to drive the swing arm to swing back and forth along the width direction (Y direction) of the vehicle body. In the embodiment, the steering gear adopts a T-series spiral bevel gear steering box. The middle parts of the transverse connecting rods 22 are rotatably connected with the end surface of the vehicle body through bearing seats 24.

In this embodiment, the driving power mechanism is a blocking block arranged on the ground, the shifting lever is contacted with the blocking block on the ground by moving the vehicle body, the shifting lever is driven to rotate, namely, the shifting lever 3 is contacted with the blocking block (not shown in the figure) on the ground by moving the vehicle body 1, the shifting lever 3 is driven to rotate, and then the swing arm mechanism 2 is driven to reciprocate along the width direction (Y direction) of the vehicle body by rotating the shifting lever 3, so that the telescopic top cover 7 extends out and opens the vehicle body opening or the telescopic top cover 7 retracts and closes the vehicle body opening along the vehicle body width direction.

The other end of the transverse connecting rod 22 of the first driving lever 20 and the other end of the transverse connecting rod 22 of the second driving lever 21 are respectively matched and in transmission connection with a first coupling 511 and a second coupling 512 of a steering gear, the transverse connecting rod 22, the first coupling 511, the second coupling 512 and the transverse connecting rod 22 of the first driving lever 20 and the second driving lever 21 are sequentially arranged along the width direction (Y direction) of a vehicle body, one end of the swing arm 4 is matched and in rotation connection with a third coupling 513 of the steering gear, the third coupling 513 of the steering gear is arranged along the length direction (X direction) of the vehicle body, the first coupling 511 and the second coupling 512 are input shafts in the steering gear, and the third coupling 513 is an output shaft;

the other end of the deflector rod body 23 of the deflector rod I20 and the other end of the deflector rod body 23 of the deflector rod II 21 are respectively contacted with the ground stop block, so that the other end of the swing arm 4 is driven to swing back and forth along the width direction of the vehicle body.

As shown in fig. 1 and fig. 10 to 13, one of the swing arm mechanisms 2 is provided, the one swing arm mechanism 2 is provided on one end surface of the vehicle body 1, and one of the lever bodies (e.g., the B lever) of the first lever 20 and the second lever 21 is in a vertical state, and the other lever body (e.g., the C lever) is in an inclined state;

in the moving process of the vehicle body, the other end of the deflector rod body (shown as a rod B) in a vertical state is contacted with the ground blocking block, so that the other end of the swing arm 4 is driven to swing back and forth along the width direction of the vehicle body, and the opening of the vehicle body is covered or opened.

The specific process is as follows:

as shown in fig. 10, it is assumed that the lever body 23 of the first lever 20 is in a vertical state (e.g., the B-lever), and the lever body 23 of the second lever 21 is in an inclined state (e.g., the C-lever).

When the vehicle body opening needs to be opened for loading, a first blocking block 25 is arranged on the ground in front of one side of a vertical deflector rod body (such as a rod B), then the vehicle body is controlled to move towards the first blocking block 25 (such as a direction D in the figure), in the moving process of the vehicle body, the other end of the vertical deflector rod body (such as the rod B) is in contact with the first blocking block 25, so that a transverse connecting rod 22 of a deflector rod one 20 is driven to rotate, a swing arm 4 can be driven to swing to retract and furl a top cover to open the vehicle body opening for loading through the action of a steering gear, and simultaneously when the transverse connecting rod 22 of the deflector rod one 20 rotates, the transverse connecting rod 22 of a deflector rod two 21 can be simultaneously driven to rotate towards the direction opposite to the rotating direction of the transverse connecting rod 22 of the deflector rod one 20 (such as the transverse connecting rod 22 of the deflector rod one 20 rotates clockwise, the transverse connecting rod 22 of the deflector rod two deflector rod 21 rotates, thus, when the opening of the vehicle body is opened, as shown in fig. 11, the lever body 23 of the first lever 20 is in a tilted state (e.g., the B-lever), and the lever body 23 of the second lever 21 is in a vertical state (e.g., the C-lever). The above-described tilt state and vertical state are described in comparison with the ground level.

As shown in fig. 12, after the loading is finished, the vehicle body is controlled to continue to move in the same direction (as shown in the direction D), at this time, a second blocking block 26 is arranged on the front ground at one side of the vertical deflector rod body (such as the rod C), during the moving process of the vehicle body, the other end of the vertical deflector rod body (such as the rod C) is in contact with the second blocking block 26, so as to drive the transverse connecting rod 22 of the deflector rod two 21 to rotate, through the action of the steering gear, the swing arm 4 can be driven to swing reversely to extend and open the top cover to cover the opening of the vehicle body, while the transverse connecting rod 22 of the deflector rod two 21 rotates, due to the action of the steering gear, the transverse connecting rod 22 of the deflector rod one 20 can be simultaneously driven to rotate in the direction opposite to the rotating direction of the transverse connecting rod 22 of the deflector rod two 21 (for example, the transverse connecting rod 22 of the deflector rod two 21 rotates clockwise, and the, therefore, when the opening of the vehicle body is covered by the top cover, as shown in fig. 13, the lever body 23 of the second lever 21 is in an inclined state (such as the C-lever), the lever body 23 of the first lever 20 is in a vertical state (such as the B-lever), and each lever returns to the original position, so that the next top cover opening and closing operation can be performed.

In this embodiment, the blocking block is in a wedge shape, and the blocking block can be arranged on the ground in a lifting structure, for example, a lifting device is arranged on the ground, and the blocking block is arranged on the lifting device, and at ordinary times, the lifting device is in a retraction state to drive the blocking block to be in a retraction state; when one of the blocking blocks is required to work, the blocking block can be driven to extend out to work as long as the lifting device is controlled to lift. The blocking block can also be arranged on the ground by adopting a rotary structure, at ordinary times, the blocking block is connected with the optional device and is positioned at one side of the shifting lever body, and when one of the blocking blocks is required to work, the blocking block can be driven to rotate to the front position of the shifting lever body to work as long as the rotary device is controlled to rotate. A contact roller 27 is further arranged at one end of the shifting lever body, which is contacted with the stop block, and the contact roller 27 can be more conveniently contacted with the wedge block.

Example 2: as shown in fig. 14 and 15, the difference from embodiment 1 is that: the two swing arm mechanisms 2 are arranged and comprise a first swing arm mechanism 211 and a second swing arm mechanism 212, the first swing arm mechanism 211 and the second swing arm mechanism 212 are respectively arranged on the end surfaces of two ends of the vehicle body 1, one end of the telescopic top cover 7 is connected with the vehicle body 1, the other end of the telescopic top cover 7 is connected with the other end of the swing arm 4 of the first swing arm mechanism 211 and the other end of the swing arm 4 of the second swing arm mechanism 212 in a matched manner, namely the other end of the swing arm 4 of the first swing arm mechanism 211 and the other end of the swing arm 4 of the second swing arm mechanism 212 are respectively connected with the end parts of two sides of the outer side top cover support guide rod II 102 in a matched manner;

one of the deflector rod bodies of the deflector rod I20 and the deflector rod II 21 of the swing arm type mechanism I211 is in a vertical state, and the other deflector rod body 23 is in an inclined state; one of the deflector rod bodies of the deflector rod I20 and the deflector rod II 21 of the swing arm type mechanism II 212 is also in a vertical state, and the other deflector rod body 23 is also in an inclined state; the vertical lever body (for example, a rod D1 in fig. 12) of the first swing-arm mechanism 211 and the vertical lever body (for example, a rod D2 in fig. 12) of the second swing-arm mechanism 212 are arranged in a diagonal relationship, and the inclined lever body (for example, a rod E1 in fig. 12) of the first swing-arm mechanism 211 and the inclined lever body (for example, a rod E2 in fig. 12) of the second swing-arm mechanism are also arranged in a diagonal relationship;

in the moving process of the vehicle body, the other end of the deflector rod body in a vertical state in the first swing arm type mechanism and the second swing arm type mechanism is in contact with the ground blocking block, so that the other ends of the swing arms of the first swing arm type mechanism and the second swing arm type mechanism are driven to swing back and forth along the width direction of the vehicle body, and the opening of the vehicle body is covered or opened.

The specific process is as follows:

as shown in fig. 16, it is assumed that, at this time, the lever body 23 of the lever one 20 of the first swing-arm mechanism 211 is in a vertical state (e.g., a D1 lever), and the lever body 23 of the lever two 21 of the first swing-arm mechanism 211 is in an inclined state (e.g., an E1 lever); the deflector rod body 23 of the deflector rod one 20 of the second swing arm type mechanism 212 is in an inclined state (such as an E2 rod), and the deflector rod body 23 of the deflector rod two 21 of the second swing arm type mechanism 212 is in a vertical state (such as a D2 rod);

when the vehicle body opening needs to be opened for loading, a third stop block 28 and a fourth stop block 29 are respectively arranged on the front ground at one side of the vertical deflector rod body (such as a D1 rod) and the front ground at one side of the vertical deflector rod body (such as a D2 rod), then the vehicle body is controlled to move towards the directions of the third stop block 28 and the fourth stop block 29 (such as the direction E in the figure), in the moving process of the vehicle body, the other end of the vertical deflector rod body (such as a D1 rod) is contacted with the third stop block 28 and the other end of the vertical deflector rod body (such as a D2 rod) is contacted with the fourth stop block 29, so that the transverse connecting rod 22 of the deflector rod one 20 of the first swing mechanism 211 is driven to rotate and the transverse connecting rod 22 of the deflector rod one 20 of the second swing mechanism 212 is driven to rotate, and the swing arm 4 of the first swing mechanism 211 and the swing arm 4 of the second swing mechanism 212 can be driven to swing through the action of two steering gears, thereby retracting and furling the top cover to open the car body for loading, at the same time of the rotation of the transverse connecting rod 22 of the first driving rod 20 of the first swing-arm mechanism 211 and the rotation of the transverse connecting rod 22 of the first driving rod 20 of the second swing-arm mechanism 212, due to the action of the two steering gears, the transverse connecting rod 22 of the second driving rod 21 of the first swing-arm mechanism 211 can be simultaneously driven to rotate towards the direction opposite to the rotation direction of the transverse connecting rod 22 of the first driving rod 20 of the first swing-arm mechanism 211 (for example, the transverse connecting rod 22 of the second driving rod 21 rotates anticlockwise when the transverse connecting rod 22 of the first driving rod 20 rotates clockwise) and the transverse connecting rod 22 of the second driving rod 21 of the second swing-arm mechanism 212 rotates towards the direction opposite to the rotation direction of the transverse connecting rod 22 of the first driving rod 20 of the second swing-arm mechanism 212, so that when the car body is opened, as shown in figure 17, the driving rod body 23 of the first driving, the shift lever body 23 of the shift lever 20 of the second swing arm mechanism 212 is in an inclined state (for example, a D2 lever), the shift lever body 23 of the shift lever 21 of the first swing arm mechanism 211 is in a vertical state (for example, an E1 lever), and the shift lever body 23 of the shift lever 21 of the second swing arm mechanism 212 is in a vertical state (for example, an E2 lever). The above-described tilt state and vertical state are described in comparison with the ground level.

As shown in fig. 18, after loading, the vehicle body is controlled to move continuously in the same direction (e.g. direction E in the figure), at this time, a block five 30 and a block six 31 are respectively arranged on the front ground at one side of the vertical lever body (e.g. rod E1) and the front ground at one side of the vertical lever body (e.g. rod E2), during the movement of the vehicle body, the other end of the vertical lever body (e.g. rod E1) is in contact with the block five 30 and the other end of the vertical lever body (e.g. rod E2) is in contact with the block six 31, so as to drive the transverse link 22 of the lever two 21 of the swing-arm mechanism one 211 to rotate and the transverse link 22 of the lever two 21 of the swing-arm mechanism two 212 to rotate, and through the action of the two steering gears, the swing arms 4 of the swing-arm mechanism one 211 and the swing arm 4 of the swing-arm two swing-arm mechanism two swing arm 212 to swing oppositely to extend the top cover to cover the vehicle body, while the transverse link 22 of the second toggle lever 21 of the first toggle mechanism 211 and the transverse link 22 of the second toggle lever 21 of the second toggle mechanism 212 rotate, due to the action of the two deflectors, the transverse link 22 of the first toggle lever 20 of the first toggle mechanism 211 can be simultaneously driven to rotate in the direction opposite to the rotating direction of the transverse link 22 of the second toggle lever 21 of the first toggle mechanism 211 (for example, the transverse link 22 of the second toggle lever 21 rotates clockwise, the transverse link 22 of the first toggle lever 20 rotates counterclockwise) and the transverse link 22 of the first toggle lever 20 of the second toggle mechanism 212 rotates in the direction opposite to the rotating direction of the transverse link 22 of the second toggle lever 21 of the second toggle mechanism 212, so that when the vehicle body is covered by the top cover, as shown in fig. 19, the toggle lever body 23 of the second toggle lever 21 of the first toggle mechanism 211 is in an inclined state (for example, an E1 lever), the toggle lever body 23 of the second toggle lever 21 of the second toggle mechanism 212 is in an inclined state (for example, an E2 lever, the shift lever body 23 of the shift lever 20 of the first swing arm mechanism 211 is in a vertical state (for example, a D1 rod), the shift lever body 23 of the shift lever 20 of the second swing arm mechanism 212 is in a vertical state (for example, a D2 rod), and each shift lever returns to the original position, so that the next top cover opening and closing operation can be carried out.

Example 3: compared with the embodiment 1, the difference is that: the driving power mechanism is a power mechanism arranged on the vehicle body, such as a pneumatic mechanism, a hydraulic mechanism or a motor, and the driving lever is directly driven to rotate by the power mechanism.

To sum up, the utility model discloses can open or close the top cap automatically, need not to accomplish through manual operation, reduced installing additional degree of difficulty and installing additional cost of top cap. Through the arrangement of the lateral guide rails and the springs, the open end of the truck body can be completely opened when the freight open wagon is loaded; in addition, the smoothness of opening and closing the top cover is increased, and the smooth loading work of the freight open wagon is further ensured. The retraction position of the top cover can be ensured by additionally arranging the limiting block on the side guide rail. Through set up U type water catch bowl and wash port on the top cap guide rail, can avoid the rainwater to enter into the automobile body inside. The swing arm type mechanisms are arranged at the two ends of the vehicle body and are respectively matched and connected with the telescopic top cover, so that the telescopic top cover can be smoothly opened or closed conveniently.

The term "plurality" as used in this embodiment means a number of "two or more". The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, so all equivalent technical solutions should also belong to the protection scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims (10)

1. The utility model provides a swing arm formula top cap switching device of open car of freight transportation which characterized in that: the swing mechanism comprises a shift lever and a swing arm, one end of the swing arm is in transmission connection with the shift lever in a matching mode through a transmission mechanism, so that the other end of the swing arm can be driven to swing back and forth along the width direction of the vehicle body through the rotation of the shift lever, a telescopic top cover is arranged at an opening at the top of the vehicle body along the width direction of the vehicle body, one end of the telescopic top cover is connected with the vehicle body, and the other end of the telescopic top cover is in transmission connection with the other end of the swing arm in a matching mode;

the swing arm type top cover opening and closing device further comprises a driving power mechanism, the driving power mechanism is used for driving the shifting rod to rotate, and then the other end of the swing arm is driven to swing back and forth along the width direction of the vehicle body through the rotation of the shifting rod, so that the telescopic top cover extends out and opens along the width direction of the vehicle body to cover the vehicle body opening or retracts and folds along the width direction of the vehicle body to open the vehicle body opening.

2. The swing arm type roof opening and closing device for an open cargo wagon of claim 1, wherein: the telescopic top cover comprises a plurality of top cover supporting guide rods arranged along the length direction of the vehicle body and top covers connected to the top cover supporting guide rods, guide wheels are arranged at two ends of each top cover supporting guide rod, and the guide wheels at two ends of each top cover supporting guide rod are respectively matched and slidably connected with the top cover guide rails I and the top cover guide rails II, so that the top cover supporting guide rods are slidably connected between the top cover guide rails I and the top cover guide rails II;

two top cover support guide rods on the outermost sides of two sides of the top cover support guide rods are an outer top cover support guide rod I and an outer top cover support guide rod II, the outer top cover support guide rod I is connected with the vehicle body, and the outer top cover support guide rod II is connected with the other end of the swing arm, so that the top cover can be driven to extend and extend or retract under the back-and-forth swing of the swing arm.

3. The swing arm type roof opening and closing device for an open cargo wagon of claim 2, wherein: one side of each of the two end faces of the vehicle body is provided with a first side guide rail and a second side guide rail respectively, and one end of each of the first side guide rail and the second side guide rail is communicated with one end of the first top cover guide rail and one end of the second top cover guide rail respectively; a first spring and a second spring are respectively arranged at the first side guide rail and the second side guide rail, one end of the first spring is fixedly connected with the vehicle body, the other end of the first spring is connected with one end of the first outside top cover supporting guide rod, one end of the second spring is fixedly connected with the vehicle body, and the other end of the second spring is connected with the other end of the first outside top cover supporting guide rod; when the top cover extends and expands, the first spring and the second spring are both in a stretching state, and when the top cover retracts and folds, the first spring and the second spring both restore to an original state.

4. The swing arm type roof opening and closing device for an open cargo wagon of claim 3, wherein: and a first limiting block and a second limiting block are respectively arranged on the first lateral guide rail and the second lateral guide rail, and when the top cover retracts and is folded, two ends of the first outer top cover supporting guide rod are respectively contacted with the first limiting block and the second limiting block.

5. The swing arm type roof opening and closing device for an open cargo wagon of claim 2, wherein: the top cover guide rail I and the top cover guide rail II comprise support frames arranged on the end parts of the vehicle body and guide grooves arranged on the support frames along the width direction of the vehicle body, and guide wheels at two ends of each top cover support guide rod are distributed and extend into the guide grooves of the top cover guide rail I and the top cover guide rail II to be matched and connected in a sliding mode.

6. The swing arm type roof opening and closing device for an open cargo wagon of claim 5, wherein: the top of the support frame is provided with a U-shaped water collecting tank, the guide groove is arranged on one side edge of the U-shaped water collecting tank, and a drain hole is formed in one side edge of the U-shaped water collecting tank; and gaps are reserved between the end surfaces of the two ends of each top cover supporting guide rod and one side edge of the U-shaped water collecting groove of the first top cover guide rail and the second top cover guide rail respectively.

7. The swing arm type roof opening and closing device for an open cargo wagon of claim 1, wherein: the driving lever comprises a first driving lever and a second driving lever, the first driving lever and the second driving lever both comprise a transverse connecting rod and a driving lever body perpendicular to the transverse connecting rod, and one end of the driving lever body is connected with one end of the transverse connecting rod;

the transmission mechanism adopts a steering gear, the steering gear is arranged on the end face of the vehicle body, and the other end of the transverse connecting rod of the first shifting rod, the other end of the transverse connecting rod of the second shifting rod and one end of the swing arm are in transmission connection with the steering gear in a matching way, so that the other end of the swing arm can be driven to swing back and forth along the width direction of the vehicle body through the rotation of the shifting rod.

8. The swing arm type roof opening and closing device for an open cargo wagon according to any one of claims 1 to 7, wherein: the driving power mechanism is a power mechanism arranged on the vehicle body.

9. The swing arm type roof opening and closing device for an open cargo wagon of claim 7, wherein: the driving power mechanism is a blocking block arranged on the ground, and the driving lever is enabled to be in contact with the blocking block on the ground through the movement of the vehicle body to drive the driving lever to rotate.

10. The swing arm type roof opening and closing device for an open cargo wagon of claim 9, wherein: the other end of the transverse connecting rod of the first shifting rod and the other end of the transverse connecting rod of the second shifting rod are respectively matched and in transmission connection with a first coupling and a second coupling of a steering gear, the transverse connecting rod of the first shifting rod, the first coupling, the second coupling and the transverse connecting rod of the second shifting rod are sequentially arranged along the width direction of the vehicle body, one end of the swing arm is matched and rotatably connected with a third coupling of the steering gear, and the third coupling of the steering gear is arranged along the length direction of the vehicle body;

the other end of the deflector rod body of the first deflector rod and the other end of the deflector rod body of the second deflector rod are respectively contacted with the ground blocking block, and the other end of the driving swing arm swings back and forth along the width direction of the vehicle body.

Images