CN211818888U

CN211818888U - Bottom door opening and closing structure of railway coal hopper car

Info

Publication number: CN211818888U
Application number: CN202020224145.0U
Authority: CN
Inventors: 于航
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-10-30
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a railway coal hopper car bottom door switching structure, including the bottom door main part, articulated shaft swing joint is passed through in hopper car main part bottom middle part both sides to the bottom door main part, and hopper car main part bottom middle part both sides have the slider through slide rail sliding connection, and the slider bottom front end has servo motor through positioning bolt threaded connection, servo motor front end has first axostylus axostyle through second axostylus axostyle threaded connection, the lower extreme middle part is connected with the push rod through the thread groove on the first axostylus axostyle, and just first axostylus axostyle middle part both sides are connected through both sides middle part lower extreme in movable rod and the bottom door main part, connect through the pivot between the movable rod, and pass through expanding spring and bottom door main part in. The utility model discloses a set up push rod, telescopic link, slider, slide rail, servo motor, expanding spring and movable rod structure, have the hopper car bottom door switching operation of being convenient for, make things convenient for the advantage of bottom door switching structure maintenance operation.

Description

Bottom door opening and closing structure of railway coal hopper car

Technical Field

The utility model relates to a coal transportation equipment specifically is a railway coal hopper car bottom door switching structure with relevant accessory technical field.

Background

The hopper car can be divided into a covered hopper car and a uncovered hopper car according to the structure, the hopper car for railway is both the covered hopper car and the uncovered hopper car for loading cold materials, and the hopper car for loading hot materials, such as a coke quenching car, a hot sintering mine car, a hopper type weighing car and the like, for adapting to the production requirement of metallurgy and coking enterprises, the hopper car for loading the hot materials is also provided, and the hopper car for unloading any type of hopper car has the common characteristics that in order to lead the goods to slide downwards and be unloaded by the dead weight, a hopper plate which forms a certain inclination angle with the horizontal plane is arranged in the car body, an unloading door is arranged at the bottom or the side part of the car body, the hopper car is a railway truck with an end wall inclined inwards or an end surface which forms a large arc, the hopper is arranged at the lower part of the car body, the goods are loaded from the top, the hopper bottom door is opened by manpower or wind power when the goods are unloaded by the self gravity, the bottom door belongs to one of structures in the hopper car, and at present, the bottom door structure is difficult to open and close when in use, so that the use effect is influenced, and the bottom door opening and closing structure is inconvenient to overhaul and has large limitation, so that improvement is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a railway coal hopper car bottom door switching structure to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a bottom door opening and closing structure of a railway coal hopper wagon comprises a bottom door main body, wherein the bottom door main body is movably connected to two sides of the middle part of the bottom end of the hopper wagon main body through an articulated shaft, two sides of the middle part of the bottom end of the hopper wagon main body are slidably connected with sliding blocks through sliding rails, the middle part of the rear end of each sliding block is movably connected with a telescopic rod arranged on one side inside each sliding rail, the front end of the bottom end of each sliding block is connected with a servo motor through a positioning bolt and a screw thread, the front end of the servo motor is connected with a first shaft rod through a second shaft rod and a through hole formed in the middle position of the upper end of the end part of the bottom door main body, the middle parts of the upper end and the lower end of the first shaft rod are connected with the lower ends of the middle parts of the two sides in the bottom door main body through a movable rod, and the middle section of the upper part of the outer side of the movable rod is elastically connected with the middle end parts of the two sides in the bottom door main body through an extension spring.

Preferably, the end parts of the two sides of the bottom end of the hopper car main body are fixedly connected with guide wheels through supports, the supports are fixedly connected to the two sides of the front end and the rear end of the hopper car main body, and the bottom ends of the guide wheels are higher than the bottom end of the bottom door main body.

Preferably, the hinge shaft is fixedly connected with two sides of the middle part of the front end and the rear end of the hopper car body through a support block, the support block is in threaded connection with the hopper car body through a first fastening bolt, and the first fastening bolt is arranged in the center of two ends of the front surface of the support block.

Preferably, hanging holes are formed in the lower portions of the two sides of the middle portion of the front end and the rear end of the hopper car body, a hook is connected to the inside of each hanging hole in a hanging mode, and the hook is connected to the center of the inner end portion of each support block in a welding mode.

Preferably, the outer part of the joint of the first shaft lever and the second shaft lever is in threaded connection with a threaded cover, the inner end of the first shaft lever is rotatably connected with the outer ends of bearing seats arranged in the middle of two sides of a connecting block, and the connecting block is welded and connected to the center of the bottom end of the hopper car body.

Preferably, the inner end of the first shaft rod extends into a cavity formed in the middle of the connecting block, the bearing seat is in threaded connection with the connecting block through a second fastening bolt, and the second fastening bolt is arranged at the upper end and the lower end of the middle of the front surface of the connecting block.

Preferably, the telescopic rod is fixedly connected to one side of the inner portion of the groove formed in the two sides of the middle portion of the bottom end of the hopper car main body, the end portion of the other side of the inner portion of the groove is in threaded connection with a limiting rod, and the inner side of the limiting rod is in contact connection with the front end of the sliding block.

(III) advantageous effects

The utility model provides a railway coal hopper car bottom door switching structure possesses following beneficial effect:

(1) the utility model has the advantages that the bottom door is convenient to open and close by arranging the servo motor, the push rod, the expansion spring and the movable rod, the effect of convenient use is achieved, the problem that the bottom door structure is difficult to open and close when in use, and the use effect is influenced is solved, the servo motor is connected with the two sides of the middle part of the bottom end of the bottom door main body, the first shaft rod connected with the front end of the servo motor through the second shaft rod penetrates through the middle section of the upper part in the bottom door main body, the push rod is rotationally connected with the upper end and the lower end of the middle part of the first shaft rod, the servo motor drives the first shaft rod to rotate, so that the push rod is horizontally arranged, the two sides in the bottom door main body are butted by the outer end of the push rod, the bottom door main body is pushed out under the action of the articulated shaft, the opening operation of the bottom door main body is realized, under the effect of bottom door main part pulling, realize the operation of closing to bottom door main part, and then realize the switching operation to bottom door main part, facilitate the use.

(2) The utility model discloses a set up the telescopic link, slide rail and slider, the effect of being convenient for overhaul the operation to end door switching structure has, the inconvenient problem of end door switching structure maintenance has been solved, slider sliding connection in the inboard central position of slide rail that is connected with servo motor is connected with the telescopic link in the inside one side middle section of slide rail, and with slider inner swing joint, exert the effect to the slider by the telescopic link, the slider drives servo motor and carries out outside position shift in the slide rail inboard, be used for overhauing the operation to the servo motor who damages, and convenient to use.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the present invention at B in FIG. 1;

FIG. 4 is a schematic view of the interior of the groove of the present invention from the bottom;

fig. 5 is a schematic view of the inside of the bottom door body of the present invention.

The reference numbers in the figures are: 1. a hopper car body; 2. a support; 3. a guide wheel; 4. a servo motor; 5. a first fastening bolt; 6. a first shaft lever; 7. a bearing seat; 8. connecting blocks; 9. a cavity; 10. a second fastening bolt; 11. a threaded cap; 12. hinging a shaft; 13. hooking; 14. supporting a block; 15. a second shaft lever; 16. a bottom door main body; 17. hanging holes; 18. a groove; 19. a telescopic rod; 20. a slide rail; 21. a slider; 22. positioning the bolt; 23. a limiting rod; 24. a guide groove; 25. a tension spring; 26. a port; 27. a movable rod; 28. a thread groove; 29. a push rod; 30. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a bottom door opening and closing structure of a railway coal hopper wagon comprises a bottom door main body 16, wherein the bottom door main body 16 is movably connected to two sides of the middle part of the bottom end of a hopper wagon main body 1 through hinge shafts 12, two sides of the middle part of the bottom end of the hopper wagon main body 1 are slidably connected with sliding blocks 21 through sliding rails 20, the middle part of the rear end of each sliding block 21 is movably connected with a telescopic rod 19 arranged on one side inside each sliding rail 20, the front end of the bottom of each sliding block 21 is connected with a servo motor 4 through positioning bolts 22 in a threaded mode, the type of each telescopic rod 19 is SFU (small form factor pluggable) in the prior art, the type of each servo motor 4 is Y2100L2 in the prior art, the hinge shafts 12 are used for movably connecting the bottom door main body 16 and the hopper wagon main body 1, the bottom door main body 16 is used for smooth opening and closing operation, the telescopic rods 19, the front end of the servo motor 4 is in threaded connection with a first shaft rod 6 through a second shaft rod 15, the first shaft rod 6 penetrates through a bottom door body 16 through a through hole 26 formed in the central position of the upper end of the end part of the bottom door body 16 and is arranged, the servo motor 4 drives the first shaft rod 15 to rotate through the second shaft rod 6 and is used for rotating an opening and closing structure to realize the opening and closing operation of the bottom door body 16, the arranged through hole 26 is used for enabling the first shaft rod 6 to penetrate through the bottom door body 16 and ensuring the smooth rotating operation of the first shaft rod 6, the middle part of the upper end and the lower end of the first shaft rod 6 is connected with a push rod 29 through a threaded groove 28, two sides of the middle part of the first shaft rod 6 are connected with the lower ends of two sides in the bottom door body 16 through movable rods 27, the push rod 29 is in sliding connection with guide grooves 24 arranged in the middle parts of two sides in the bottom door body 16, and the push rod 29 is connected with the first shaft rod, the first shaft lever 6 in rotation drives the push rod 29 to structurally rotate, the end part of the push rod 29 is used for pushing the bottom door main body 16 outwards under the action of the guide groove 24, so that the opening operation of the bottom door main body 16 is realized, the movable rods 27 are connected through the rotating shaft 30, the middle section of the upper part of the outer side of each movable rod 27 is elastically connected with the middle end parts of the two sides in the bottom door main body 16 through the telescopic spring 25, the rotating shaft 30 is used for structurally connecting the movable rods 27, the end part of each movable rod 27 is structurally connected with the bottom door main body 16 and the first shaft lever 6, meanwhile, the end part of the telescopic spring 25 is structurally connected with the first shaft lever 6 and the bottom door main body 16, and the telescopic spring 25 is used for restoring deformation and applying inward force to the bottom door main body 16 through the movable rods 27, so that the closing operation of the bottom door main body 16 is realized.

The tip of 1 bottom both sides of hopper car main part 1 passes through support 2 fixedly connected with guide pulley 3, and 2 fixed connection in hopper car main part 1 front and back end both sides of support, 3 bottom of guide pulley are higher than the setting of bottom door main part 16 bottom, carry out the connection of structure to support 2 by 1 front and back end both sides of hopper car main part and fix, be used for carrying out structural connection to guide pulley 3, a position for hopper car main part 1 removes the operation, and be higher than bottom door main part 16 bottom setting with 3 bottoms of guide pulley, avoid bottom door main part 16 and ground contact, cause bottom door main part 16 to be difficult to the switching operation.

Articulated shaft 12 is through a piece 14 and hopper car main part 1 front and back end middle part both sides fixed connection, and a piece 14 is through first fastening bolt 5 and hopper car main part 1 threaded connection, first fastening bolt 5 sets up in a piece 14 positive surface both ends central point position, carry out the structure setting by a piece 14 positive surface both sides central point position to first fastening bolt 5, by the threaded connection of the structure between the first fastening bolt 5 inner that sets up and hopper car main part 1, be used for a connection of a piece 14 structure is fixed, and then realize carrying out structural connection to articulated shaft 12 that is connected with bottom door main part 16.

Hanging hole 17 has been seted up to front and back end middle part both sides lower part of hopper car main part 1, and hanging hole 17 internal suspension is connected with couple 13, couple 13 welded connection is in a piece 14 tip central point, carry out structural connection to couple 13 by a piece 14 medial extremity central point, carry out structural setting to hanging hole 17 by hopper car main part 1 front and back end lower part middle part both sides, and by the suspension connection of structure between couple 13 and the hanging hole 17 that sets up, be used for the initial junction of structure between a piece 14 and hopper car main part 1, be convenient for carry out the fastening operation of first fastening bolt 5.

First shaft lever 6, the outside threaded connection of second shaft lever 15 junction has screw cap 11, and the bearing frame 7 outer end rotation connection that sets up in the middle part of the 6 inner and 8 both sides of first shaft lever of connecting block, 8 welded connection in 1 bottom central point of hopper car main part of connecting block put, 11 to first shaft lever 6 by the screw cap that sets up, the threaded connection that the 15 junction of second shaft lever carries out the structure, a be used for first shaft lever 6, the connection of second shaft lever 15 is fixed, and carry out structural connection to bearing frame 7 by 8 both sides of connecting block middle part, a accept the operation when rotating 6 one end of first shaft lever, guarantee that first shaft lever 6 rotates the operation smoothly.

The inner end of the first shaft lever 6 extends into a cavity 9 formed in the middle of the connecting block 8, the cavity 9 is connected with the connecting block 8 through second fastening bolts 10 in a threaded mode, the second fastening bolts 10 are arranged at the upper end and the lower end of the middle of the front surface of the connecting block 8, the middle of the connecting block 8 is used for structurally arranging the cavity 9, the inner end of the bearing block 7 is structurally connected, the second fastening bolts 10 are structurally arranged at the upper end and the lower end of the front surface of the connecting block 8, the second fastening bolts 10 are arranged in a threaded penetrating mode and penetrate through the connecting block 8 and the bearing block 7, and the structure between the bearing block 7 and the connecting block 8 is fixedly connected.

The telescopic rod 19 is fixedly connected to one side inside the groove 18 formed in the two sides of the middle of the bottom end of the hopper car body 1, the end of the other side inside the groove 18 is in threaded connection with the limiting rod 23, the inner side of the limiting rod 23 is in contact connection with the front end of the sliding block 21, the groove 18 is structurally formed in the two sides of the middle of the bottom end of the hopper car body 1, the telescopic rod 19 and the sliding rail 20 are structurally connected and fixed, the inner side of the limiting rod 23 to be arranged is in contact connection with the front end of the sliding block 21, the sliding block 21 in sliding is structurally limited, and the sliding block 21.

The working principle is as follows: when the hopper car hopper door pushing device is used, clockwise force is applied to the second fastening bolt 10 for connecting and fixing the inner end of the bearing seat 7 in the inner structure of the cavity 9, the hook 13 is connected in a hanging manner in the inner structure of the hanging hole 17, meanwhile, clockwise force is applied to the first fastening bolt 5 for connecting and fixing the support block 14 and the hopper car body 1, at the moment, clockwise force is applied to the positioning bolt 22 for connecting the servo motor 4 and the slide block 21 in a structure, the external control end controls the telescopic rod 19, the telescopic rod 19 applies inward force to the slide block 21, the slide block 21 drives the servo motor 4 to move inwards on the inner side of the slide rail 20, the thread cover 11 is used for connecting the first shaft rod 6 and the second shaft rod 15 in a structure, at the moment, the external control end rotates the first shaft rod 6, the push rod 29 pushes the bottom door body 16 outwards through the guide groove 24, when the first shaft 6 rotates again, the push rod 29 is disposed in a vertical horizontal plane, and the bottom door body 16 is closed by the restoring deformation of the extension spring 25 and the inward force applied to the bottom door body 16 by the movable rod 27.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a railway coal hopper car bottom door opening and closing structure, includes bottom door main part (16), its characterized in that: the bottom door main body (16) is movably connected with two sides of the middle part of the bottom end of the hopper car main body (1) through a hinged shaft (12), the two sides of the middle part of the bottom end of the hopper car main body (1) are slidably connected with sliding blocks (21) through sliding rails (20), the middle part of the rear end of each sliding block (21) is movably connected with a telescopic rod (19) arranged on one side inside each sliding rail (20), the front end of the bottom part of each sliding block (21) is in threaded connection with a servo motor (4) through a positioning bolt (22), the front end of each servo motor (4) is in threaded connection with a first shaft lever (6) through a second shaft lever (15), each first shaft lever (6) is arranged by penetrating through the bottom door main body (16) through a through hole (26) formed in the central position of the upper end part of the bottom door main body (16), the middle parts of the upper end and the lower end of each first shaft lever (6) are connected with a push rod (29) through threaded, push rod (29) and end door main part (16) interior both sides middle part guide way (24) sliding connection that set up, be connected through pivot (30) between movable rod (27), and movable rod (27) outside upper portion middle section passes through expanding spring (25) and end door main part (16) interior both sides middle part elastic connection.

2. The bottom door opening and closing structure of the railway coal hopper car as claimed in claim 1, wherein: the hopper car body (1) bottom both sides tip passes through support (2) fixedly connected with guide pulley (3), and support (2) fixed connection in hopper car body (1) front and back end both sides, and guide pulley (3) bottom is higher than bottom door main part (16) bottom and sets up.

3. The bottom door opening and closing structure of the railway coal hopper car as claimed in claim 1, wherein: the articulated shaft (12) is fixedly connected with the two sides of the middle part of the front end and the rear end of the hopper car body (1) through a support block (14), the support block (14) is in threaded connection with the hopper car body (1) through a first fastening bolt (5), and the first fastening bolt (5) is arranged in the central positions of the two ends of the front surface of the support block (14).

4. The bottom door opening and closing structure of the railway coal hopper car as claimed in claim 1, wherein: hanging holes (17) are formed in the lower portions of two sides of the middle portion of the front end and the rear end of the hopper car body (1), a hook (13) is connected to the inside of each hanging hole (17) in a hanging mode, and the hook (13) is connected to the center of the inner end portion of the support block (14) in a welding mode.

5. The bottom door opening and closing structure of the railway coal hopper car as claimed in claim 1, wherein: the outer portion of the joint of the first shaft lever (6) and the second shaft lever (15) is in threaded connection with a threaded cover (11), the inner end of the first shaft lever (6) is rotatably connected with the outer ends of bearing seats (7) arranged in the middle of the two sides of the connecting block (8), and the connecting block (8) is welded and connected to the center of the bottom end of the hopper car body (1).

6. The bottom door opening and closing structure of the railway coal hopper car as claimed in claim 1, wherein: the inner end of the first shaft lever (6) extends into a cavity (9) formed in the connecting block (8) and formed in the middle, the bearing seat (7) is in threaded connection with the connecting block (8) through a second fastening bolt (10), and the second fastening bolt (10) is arranged at the upper end and the lower end of the middle of the front surface of the connecting block (8).

7. The bottom door opening and closing structure of the railway coal hopper car as claimed in claim 1, wherein: the telescopic rod (19) is fixedly connected to one side of the inside of a groove (18) formed in the two sides of the middle of the bottom end of the hopper car body (1), a limiting rod (23) is connected to the end portion of the other side of the inside of the groove (18) in a threaded mode, and the inner side of the limiting rod (23) is in contact connection with the front end of the sliding block (21).