CN111038533B - Auxiliary opening device for bottom door and hopper car - Google Patents
Auxiliary opening device for bottom door and hopper car Download PDFInfo
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- CN111038533B CN111038533B CN201911357543.8A CN201911357543A CN111038533B CN 111038533 B CN111038533 B CN 111038533B CN 201911357543 A CN201911357543 A CN 201911357543A CN 111038533 B CN111038533 B CN 111038533B
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- Prior art keywords
- bottom door
- operating
- driving shaft
- shaft
- support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
- B61D7/14—Adaptations of hopper elements to railways
- B61D7/16—Closure elements for discharge openings
- B61D7/24—Opening or closing means
- B61D7/26—Opening or closing means mechanical
Abstract
The invention relates to a bottom door auxiliary opening device and a hopper car. The auxiliary opening device of the bottom door comprises a driving shaft, a locking block and an unlocking assembly, wherein the driving shaft is rotatably arranged at the bottom of the vehicle body, and the rotation of the driving shaft can drive the opening and closing mechanism of the bottom door to operate so as to open and close the bottom door; the locking block can be rotatably arranged at the bottom of the vehicle body and can limit the rotation of the driving shaft; the unblock subassembly includes the support, shadoof and backup pad, support and backup pad relatively fixed set up on the automobile body, the shadoof has relative first end and second end, the first end of shadoof rotationally connects on the support, the top of backup pad is provided with first constant head tank and second constant head tank, the degree of depth in first constant head tank is less than the degree of depth of second constant head tank, the second end of shadoof selectively sets up in first constant head tank or second constant head tank, the second end and the locking piece of shadoof are connected. The invention can unlock the lock block by operating the lifting rod, is convenient and quick and has good practicability.
Description
Technical Field
The invention belongs to the technical field of railway wagons, and particularly relates to a bottom door auxiliary opening device and a hopper wagon.
Background
Hopper cars with bottom doors are mainly used for transporting bulk goods on railway lines, and after the cars arrive at the destination, the bulk goods are unloaded onto a conveyor belt or into a pit in a bottom unloading manner.
In the prior art, an unloading door (called a bottom door) at the bottom of a hopper car is generally opened and closed by a bottom door opening and closing mechanism. The bottom door opening and closing mechanism is used as a key part of the railway hopper car, and the safety and the reliability of the bottom door opening and closing mechanism directly influence the running safety of the car. In order to prevent the bottom door opening and closing mechanism from self-opening and self-unloading during the operation of the vehicle, a locking device is generally provided to prevent a driving shaft of the bottom door opening and closing mechanism from rotating, so as to improve the reliability of the bottom door opening and closing mechanism in a closed state. In addition, when a driving mechanism for driving a driving shaft of the bottom door opening and closing mechanism to rotate breaks down, the automatic opening and closing functions of the bottom door cannot be realized, and at the moment, the bottom door needs to be opened or closed by manpower.
In carrying out the present invention, the applicant has found that at least the following disadvantages exist in the prior art:
among the prior art, locking device sets up in the vehicle bottom usually, when needs rely on the manpower to open or close the bottom door, need earlier with locking device unblock, because vehicle bottom space is not enough, and locking device's structure is comparatively complicated, causes personnel to operate locking device unblock inconvenience in the vehicle bottom, consequently, needs to improve prior art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a bottom door auxiliary opening device and a hopper car, and aims to solve the technical problem of inconvenience in unlocking caused by the fact that a locking device is arranged at the bottom of the car in the prior art.
The technical scheme of the invention is as follows:
in one aspect, the present invention provides a bottom door auxiliary opening device, comprising:
the driving shaft is rotatably arranged at the bottom of the vehicle body, and the rotation of the driving shaft can drive the bottom door opening and closing mechanism to operate so as to open and close the bottom door;
the locking piece is rotatably arranged at the bottom of the vehicle body and can limit the rotation of the driving shaft;
the unblock subassembly, the unblock subassembly includes support, shadoof and backup pad, the support with the backup pad relatively fixed sets up on the automobile body, the shadoof has relative first end and second end, the first end of shadoof rotationally connects on the support, the top of backup pad is provided with first constant head tank and second constant head tank, the degree of depth in first constant head tank is less than the degree of depth of second constant head tank, the second end of shadoof selectively sets up first constant head tank or in the second constant head tank, the second end of shadoof with the locking piece is connected.
Further, the unlocking assembly further comprises a chain, wherein the chain is provided with a first end and a second end which are opposite to each other, the first end of the chain is connected to the second end of the lifting rod, and the second end of the chain is connected with the locking block.
Furthermore, a driving handle is arranged on the driving shaft, and one end of the driving handle, which is far away from the driving shaft, is a braking end;
one end of the locking block is rotatably connected to the bottom of the vehicle body, the other end of the locking block is a braking end, and the other end of the locking block is connected with the second end of the chain;
the other end of the locking block can be abutted against one end of the driving handle far away from the driving shaft so as to limit the rotation of the driving handle.
Further, a main shaft support is arranged at the bottom of the vehicle body, and the driving shaft is rotatably arranged in the main shaft support.
Furthermore, the device also comprises an operating shaft, and the operating shaft is fixedly connected with any end of the driving shaft.
Furthermore, the operating shaft has relative first end and second end, the first end of operating shaft has the opening, the opening is regular polygon, the one end of driving shaft is regular polygon, the one end activity that can cooperate is inserted into in the first end of operating shaft.
Further, the device further comprises an operating support, wherein the second end of the operating shaft rotatably penetrates through the operating support, and the operating support is detachably connected to the vehicle body.
Furthermore, a mounting hole is formed in the side wall of the vehicle body, the operation support can be inserted into the mounting hole, and the part of the mounting hole, where the operation support is inserted, of the vehicle body is detachably connected with the vehicle body through a bolt.
Furthermore, a second end of the operating shaft is coaxially connected with a first supporting rod;
the device also comprises an operating handle, wherein the operating handle is provided with a first end and a second end, the first end of the operating handle is fixedly connected to the second end of the operating shaft, the second end of the operating handle is far away from the operating shaft, and a second supporting rod is arranged at the second end of the operating handle;
the device still includes the pinch bar, the one end of pinch bar is operatively set up first bracing piece with between the second bracing piece, pushes down the other end of pinch bar, can drive the operating axis rotates.
In another aspect, the invention further provides a hopper car, and the hopper car comprises the auxiliary bottom door opening device.
The invention has the beneficial effects that:
the invention provides a hopper wagon, which comprises a bottom door auxiliary opening device, wherein the bottom door auxiliary opening device comprises a driving shaft which is rotatably arranged at the bottom of a wagon body, the rotation of the driving shaft can drive a bottom door opening and closing mechanism to operate so as to open and close a bottom door, a lock block is rotatably arranged at the bottom of the wagon body, and the lock block can limit the rotation of the driving shaft, namely, if the bottom door is required to be opened, the lock block for controlling the rotation of the driving shaft is required to be unlocked; the support and the support plate of the unlocking assembly are relatively and fixedly arranged on the vehicle body, the lifting rod is provided with a first end and a second end which are opposite, the first end of the lifting rod is rotatably connected onto the support, the top of the support plate is provided with a first positioning groove and a second positioning groove, the depth of the first positioning groove is smaller than that of the second positioning groove, the second end of the lifting rod can be selectively arranged in the first positioning groove or the second positioning groove, the second end of the lifting rod is connected with the locking block, when the bottom door needs to be kept in a closed state, the second end of the lifting rod can be controlled to be arranged in the second positioning groove, and the locking block keeps a locking state on the driving shaft, so that the rotation of the driving shaft can be limited, and the reliability of keeping the bottom door; when the lock block cannot be unlocked quickly due to a fault, the lifting rod can be operated to enable the height of the second end of the lifting rod to rise, so that the lock block is driven to rotate, the driving shaft can be unlocked due to the rotation of the lock block, and the driving shaft can be operated to complete the opening and closing of the bottom door; in addition, the second end of the lifting rod can be placed in the first positioning groove, so that the locking block is always in an unlocking state, and the driving shaft can be conveniently operated.
Therefore, the unlocking of the locking block can be completed by operating the lifting rod, and the unlocking device is convenient and quick and has good practicability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of the arrangement of an opening and closing mechanism on a vehicle body in an embodiment of the invention;
FIG. 2 is a schematic view of the bottom door in a closed position;
FIG. 3 is a schematic view of the bottom door in an open position;
FIG. 4 is a schematic transmission diagram of the bottom door of the embodiment of the present invention from a closed state to an open state;
FIG. 5 is a schematic transmission diagram of the bottom door of the embodiment of the present invention from the open state to the closed state;
FIG. 6 is a schematic structural view of the crank of FIG. 1;
FIG. 7 is a schematic view of the structure of the drawbar of FIG. 1;
FIG. 8 is a schematic structural view of a hopper car incorporating a locking mechanism for limiting rotation of a drive shaft in accordance with an embodiment of the present invention;
FIG. 9 is a schematic view of the latch of FIG. 8;
FIG. 10 is a schematic front view of FIG. 8;
FIG. 11 is a side view of FIG. 8;
FIG. 12 is a schematic view of the support plate of FIG. 10;
FIG. 13 is a schematic view of the arrangement of the drive shafts of FIG. 8;
FIG. 14 is a schematic structural view of the operational assembly of FIG. 8;
fig. 15 is a schematic view of a pry drive operating shaft in an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a hopper wagon, which comprises a wagon body and a bottom door, wherein the bottom door is arranged at the bottom of the wagon body in an openable and closable manner through an opening and closing mechanism so as to realize the opening and closing actions of the bottom door.
Fig. 1 is a schematic view showing the arrangement of an opening and closing mechanism according to an embodiment of the present invention on a vehicle body, fig. 2 is a schematic view showing a state where a bottom door is closed, and fig. 3 is a schematic view showing a state where the bottom door is opened, and in conjunction with fig. 1 to 3, the opening and closing mechanism according to an embodiment of the present invention includes a stop dog 10, and a first link 2 having a first end and a second end, a second link 3, a crank 5, and a pull rod 6.
Referring to fig. 1 to 3, in the embodiment of the present invention, the first end of the first link 2 is rotatably connected to the bottom of the vehicle body 8, the first end of the second link 3 is rotatably connected to the second end of the first link 2, the second end of the second link 3 is rotatably connected to the first end of the crank 5, the second end of the crank 5 is rotatably connected to the bottom of the vehicle body 8, the middle of the crank 5 is rotatably connected to the first end of the pull rod 6, the second end of the crank 5 is opposite to the first end of the first link 2, the first end of the crank 5 and the second end of the crank 5 are both located on the same side of the middle of the crank 5, i.e., the crank 5 is U-shaped as a whole, the second end of the pull rod 6 is rotatably connected to the bottom of the bottom door 4, the top of the bottom door 4 is rotatably connected to the vehicle body 8, the second end of the pull rod 6 is connected to the bottom of the bottom door 4, and the top of the bottom door 4 is located between the first end of, the junction of the second end of the pull rod 6 and the bottom of the bottom door 4 is located below the second end of the crank 5, and a stopper 10 is fixedly provided on the vehicle body 8, the stopper 10 being located on the lower side when the crank 5 is located at the dead point position.
As can be seen from the above description, in the embodiment of the present invention, the vehicle body 8, the first link 2, the second link 3, and the crank 5 may form one four-bar linkage, and the vehicle body 8, the crank 5, the pull rod 6, and the bottom door 4 may form another four-bar linkage.
Fig. 4 is a schematic transmission diagram of the bottom door in an embodiment of the present invention from a closed state to an open state, and with reference to fig. 2 and 4, the first connecting rod 2 is controlled to rotate clockwise, so that the second connecting rod 3 drives the crank 5 to rotate counterclockwise, the crank 5 rotates counterclockwise, the middle portion of the crank 5 is raised, and the pull rod 6 drives the bottom door 4 to rotate clockwise, so as to achieve an opening action of the bottom door 4, when the opening and closing mechanism moves beyond a dotted line position (i.e., a "dead point" position of the opening and closing mechanism) in fig. 4, due to the self weight of the bottom door 4 and the pressure of the goods on the bottom door 4, the bottom door 4 will be opened quickly, so as to achieve quick unloading of the goods.
Fig. 5 is a schematic transmission diagram of the bottom door in an open state to a closed state according to an embodiment of the present invention, and with reference to fig. 3 and 5, the first connecting rod 2 is controlled to rotate counterclockwise, so that the second connecting rod 3 drives the crank 5 to rotate clockwise, the crank 5 rotates clockwise, the middle portion of the crank 5 is lowered, and the pull rod 6 drives the bottom door 4 to rotate counterclockwise, so as to achieve a closing action of the bottom door 4, when the opening and closing mechanism crosses the dotted line position (i.e. the "dead point" position of the opening and closing mechanism) in fig. 5, due to the self weight of the bottom door 4 and the continuous counterclockwise rotation of the first connecting rod 2, the crank 5 will rotate clockwise, in order to ensure that the bottom door is in the closed state, the stop 10 can stop the clockwise rotation tendency of the crank 5, so as to ensure that the bottom door 4 is always kept in the closed state, and because the opening, the crank 5 can only generate clockwise rotation trend, but can not clockwise rotate, thereby ensuring the reliability of the closing state of the bottom door, in addition, when the crank 5 rotates to a dead point position, namely, the crank is driven by external force, and the crank 5 is prevented from rotating due to the limitation of the stop block 10, thereby preventing the problem of reliability caused by self-unloading of goods due to the fact that the bottom door is opened automatically in the running process of the vehicle, and ensuring the transportation safety of the goods and the safe operation of the vehicle.
Referring to fig. 1, a beam 11 may be provided at the bottom of a vehicle body 8 according to an embodiment of the present invention, a long circular hole 12 is provided in the middle of the beam 11 along the length direction of the beam, a main shaft support 12 and a crank support 13 are respectively provided at the bottom of the beam 11, the main shaft support 12 and the crank support 13 are respectively provided at two sides of the long circular hole 12 in the length direction, a first end of a first link 2 is rotatably connected to the main shaft support 12, a second link 3 passes through the long circular hole 12, and a second end of a crank 5 is rotatably connected to the crank support 13. The embodiment of the invention can provide an installation space for the opening and closing mechanism through the design of the oblong hole 12.
Referring to fig. 1, in the embodiment of the present invention, the main shaft support 12 is rotatably provided with the driving shaft 9, the first end of the first connecting rod 2 is fixedly connected to the driving shaft 9, and the first connecting rod 2 can be driven to rotate clockwise or counterclockwise by driving the driving shaft 9 to rotate.
In the embodiment of the present invention, the axial direction of the driving shaft 9 may be the width direction of the vehicle body 8, that is, in the embodiment of the present invention, the bottom door is opened along the width direction of the vehicle body 8.
In the case where the bottom door is opened in the width direction of the vehicle body 8, the oblong hole 12 may be provided in the center sill 1 at the bottom of the vehicle body 8, and the spindle holder 12 and the crank holder 13 are also provided in the center sill.
Of course, the axial direction of the driving shaft 9 may also be the length direction of the vehicle body 8, that is, in the embodiment of the present invention, the driving shaft is appropriately deformed under the working condition shown in fig. 1, so that the bottom door is opened along the length direction of the vehicle body 8, which is not limited in the embodiment of the present invention.
Referring to fig. 1, in the embodiment of the present invention, both ends of the driving shaft 9 may be provided with driving blocks 1, and the driving blocks 1 are used for being connected with a component for driving the driving shaft 9 to rotate, such as a rotating motor fixed on a vehicle body, or a manual wrench, etc., so as to implement manual operation.
In the embodiment of the invention, the section of the driving block 1 can be in a regular polygon shape, and the driving block can be matched with a manual wrench so as to facilitate manual operation.
In the embodiment of the invention, the second connecting rod 3 can be of a split structure so as to facilitate the installation of the opening and closing mechanism, when the opening and closing mechanism is installed, the rest parts of the opening and closing mechanism are installed firstly, the second connecting rod 3 is installed finally, and the second connecting rod 3 of the split structure is fixedly connected into a whole through bolts or rivets.
Fig. 6 is a schematic structural diagram of the crank shown in fig. 1, and with reference to fig. 1 and fig. 6, the crank 5 in the embodiment of the present invention includes two opposite clamping plates 5.1, first ends of two sides of the two opposite clamping plates 5.1 facing away from each other are respectively provided with a first rotating shaft 5.2, the two first rotating shafts 5.2 can be respectively rotatably connected with second ends of two second connecting rods 3, and accordingly, the first connecting rod 2 can be rotatably connected between the two third connecting rods 3, and the crank 5 is driven to rotate by one first connecting rod 2 and the two third connecting rods 3.
In addition, referring to fig. 1 and fig. 6, in the embodiment of the present invention, second rotating shafts 5.3 are disposed at second ends of two sides of the two opposite clamping plates 5.1, which are away from each other, and the two second rotating shafts 5.3 are rotatably connected to the crank support 13, so as to rotatably connect the crank 5 and the crank support 13.
Referring to fig. 1 and 6, in the embodiment of the present invention, the first end of the pull rod 6 is located between the two clamping plates 5.1, and the first end of the pull rod 6 is rotatably connected to the middle portions of the two clamping plates 5.1 through the third rotating shaft 17, so as to rotatably connect the first end of the pull rod 6 to the crank 5.
In addition, in the embodiment of the present invention, the two clamping plates 5.1 may be provided with a gap at a position between the first end and the second end, and the gap may be a pull rod which is installed in the crank 5 in an embedded manner.
In the embodiment of the invention, the length of the pull rod 6 is adjustable, and the opening degree of the bottom door 4 can be adjusted through the pull rod with the adjustable length 6, so that the opening and closing mechanism can be maintained conveniently.
Fig. 7 is a schematic structural diagram of the pull rod in fig. 1, and with reference to fig. 7, in an embodiment of the present invention, the pull rod 6 includes a first rod body 6.1 and a second rod body 6.2, each of which has a first end and a second end, the first end of the first rod body 6.1 is rotatably connected to the middle of the rocking handle 5, the second end of the first rod body 6.1 is screwed into the first end of the second rod body 6.2, the second end of the second rod body 6.2 is rotatably connected to the bottom of the bottom door 4, and the length of the pull rod 6 can be conveniently adjusted through the first rod body 6.1 and the second rod body 6.2 which are screwed together.
Further, referring to fig. 7, in the embodiment of the present invention, a first end of the first rod 6.1 is provided with a first connecting ring 6.3, and the first connecting ring 6.3 is rotatably connected to the two clamping plates 5.1 through a third rotating shaft 5.3; and a second end of the second rod 6.2 is provided with a second connecting ring 6.4, and the second connecting ring 6.4 is rotatably connected with the bottom of the bottom door 4 through a fourth rotating shaft 7.
In the embodiment of the present invention, in order to prevent the self-opening of the bottom door opening and closing mechanism and the self-unloading of the goods, a locking device is generally provided to prevent the driving shaft 9 of the bottom door opening and closing mechanism from rotating, thereby improving the reliability of the bottom door opening and closing mechanism in the closed state.
Fig. 8 is a schematic structural diagram of a hopper car including a locking device for limiting rotation of a driving shaft in an embodiment of the present invention, fig. 9 is a schematic structural diagram of the locking device in fig. 8, and with reference to fig. 8 and 9, the locking device in an embodiment of the present invention includes a locking block 18, the locking block 18 is rotatably disposed at the bottom of a car body 8, and by controlling rotation of the locking block 18, rotation of the driving shaft 9 can be limited, so that operation of a bottom door opening and closing mechanism can be controlled.
In the prior art, when a driving mechanism for driving a driving shaft 9 of a bottom door opening and closing mechanism to rotate breaks down, the automatic opening and closing functions of a bottom door 4 cannot be realized, at the moment, the bottom door needs to be opened or closed by manpower, but because a locking device is usually arranged at the bottom of a vehicle, when the bottom door needs to be opened or closed by manpower, the locking device needs to be unlocked firstly, and because the space at the bottom of the vehicle is insufficient and the structure of the locking device is complex, a person operates the locking device at the bottom of the vehicle to unlock inconveniently, therefore, the unlocking assembly of the bottom door auxiliary opening device is used for solving the problem.
Fig. 10 is a front view of fig. 8, fig. 11 is a side view of fig. 8, and in combination with fig. 10 and 11, the unlocking assembly according to the embodiment of the present invention includes a support 19, a lifting bar 21 and a support plate 20, the support 19 and the support plate 20 are relatively fixedly disposed on the vehicle body 8, the lifting bar 21 has a first end and a second end which are opposite, the first end of the lifting bar 21 is rotatably connected to the support 19, fig. 12 is a schematic structural view of the support plate in fig. 10, and in conjunction with fig. 12, a first positioning groove 22 and a second positioning groove 23 are formed at the top of the support plate 20 according to the embodiment of the present invention, the depth of the first positioning groove 22 is smaller than that of the second positioning groove 23, that is, the height of the bottom of the first positioning groove 22 is higher than that of the bottom of the second positioning groove 23, the second end of the lifting rod 21 is selectively arranged in the first positioning groove 22 or the second positioning groove 23, and the second end of the lifting rod 21 is connected with the locking block 18.
In the embodiment of the invention, when the bottom door 4 needs to be kept in a closed state, the second end of the lifting rod 21 can be controlled to be positioned in the second positioning groove 23, and the locking block 18 keeps a locking state on the driving shaft 9, so that the rotation of the driving shaft 9 can be limited, and the reliability of keeping the bottom door 4 in the closed state is achieved; when the lock block 18 cannot be unlocked quickly due to a fault, the lifting rod 21 can be operated to enable the height of the second end of the lifting rod 21 to be increased, so that the lock block 18 is driven to rotate, the driving shaft 9 can be unlocked due to the rotation of the lock block 18, and the driving shaft 9 can be operated to complete the opening and closing of the bottom door 4; in addition, the second end of the lifting rod 21 can be placed in the first positioning groove 22, so that the locking block 18 is always in an unlocked state, and the operation on the driving shaft 9 can be facilitated.
Referring to fig. 12, in the embodiment of the present invention, the first positioning slot 22 and the second positioning slot 23 are arranged in parallel, so that the lifting bar 21 can not only rotate on the support 19, but also move along the first positioning slot 22 toward the second positioning slot 23, so as to adapt to the operation of the lifting bar 21 on the two positioning slots.
In the embodiment of the present invention, the seat 19 and the support plate 20 may be oppositely disposed on the top of the center sill 1 at the bottom of the vehicle body 8.
With reference to fig. 10 and 11, the unlocking assembly in the embodiment of the present invention further includes a chain 24, the chain 24 has a first end and a second end opposite to each other, the first end of the chain 24 is connected to the second end of the lifting bar 21, and the second end of the chain 24 is connected to the lock block 18, that is, when the second end of the lifting bar 21 is operated, the chain 24 can drive the lock block 18 to perform corresponding actions.
Because the chain 24 has flexibility, the connection between the chain 24 and the lock block 18 and the lifting bar 21 may be a fixed connection or a rotatable connection, which is not limited in the embodiment of the present invention.
FIG. 13 is a schematic diagram of the arrangement of the driving shaft in FIG. 8, and in conjunction with FIG. 8 and FIG. 13, in an embodiment of the present invention, a driving handle 25 is disposed on the driving shaft 9, and one end of the driving handle 25 away from the driving shaft 9 is a braking end; one end of the locking block 18 is rotatably connected to the bottom of the vehicle body 8, the other end of the locking block 18 is a braking end, the other end of the locking block 18 is connected with the second end of the chain 24, the other end of the locking block 18 can be abutted against one end of the driving handle 25 far away from the driving shaft 9, and when the two are abutted against each other, the locking block 18 can limit the rotation of the driving handle.
Referring to fig. 13, in the embodiment of the present invention, two spindle supports 12 may be provided, and the first connecting rod 2 may be disposed between the two spindle supports 12, and one end of the driving shank 25 is fixedly secured to the driving shaft 9, which is located outside the spindle supports 12, by means of bolts.
In addition, because the bottom door is heavy, if the bottom door needs to be opened or closed by manpower, the bottom door is difficult to be opened and closed quickly by manpower only, and therefore, the embodiment of the invention solves the problem through the operation assembly of the bottom door auxiliary opening device.
Fig. 14 is a schematic structural diagram of the operating assembly in fig. 8, and in conjunction with fig. 8 and 14, the operating assembly according to the embodiment of the present invention first includes an operating shaft 26, and the operating shaft 26 may be fixedly connected to any end of the driving shaft 9, so that the driving of the driving shaft 9 may be achieved by rotating the operating shaft 26.
Further, the operating shaft 26 according to the embodiment of the present invention has a first end and a second end opposite to each other, the first end of the operating shaft 26 has an opening, the opening is in the shape of a regular polygon, one end of the driving shaft 9 (i.e., the driving block 1) is in the shape of a regular polygon, one end of the driving shaft 9 is fittingly and movably inserted into the first end of the operating shaft 26, the second end of the operating shaft 26 is controlled to rotate, that is, the driving shaft 9 is driven to rotate, and the second end of the operating shaft 26 can be located outside the vehicle body 8 due to the fact that the operating shaft 26 has a certain length, and thus, the operating space is provided to drive the operating shaft 26.
Referring to fig. 8 and 14, the operating assembly of the embodiment of the present invention further includes an operating support 27, and the second end of the operating shaft 26 rotatably passes through the operating support 27, so as to provide a fulcrum for the rotation of the operating shaft 26, so as to facilitate the rotation of the operating shaft 26.
Referring to fig. 8 and 14, in the embodiment of the present invention, the operating support 27 is detachably connected to the vehicle body 8, that is, when the bottom door needs to be manually opened or closed, the operating support 27 may be temporarily fixed to the vehicle body 8 to facilitate driving of the operating shaft 26.
Referring to fig. 14, in the embodiment of the present invention, a side wall 28 of the vehicle body 8 may be provided with a mounting hole, the operation support 27 may be inserted into the mounting hole, and a portion of the operation support 27 inserted into the mounting hole and the vehicle body may be detachably connected by a bolt.
Of course, when the operating shaft 26 is operated, the operating support 27 may not be fixedly connected to the vehicle body 8, and may be fixed to the ground outside the vehicle body 8, which is not limited in the embodiment of the present invention.
In order to quickly drive the operating shaft, the operating assembly of the embodiment of the invention further comprises an operating handle and a pry bar. Fig. 15 is a schematic view of the lever driving operation shaft according to the embodiment of the present invention, and referring to fig. 15, in the embodiment of the present invention, a first support rod 29 is coaxially connected to a second end of the operation shaft 26, the operation handle 30 has a first end and a second end, the first end of the operation handle 30 is fixedly connected to the second end of the operation shaft 26, the second end of the operation handle 30 is far away from the operation shaft 26, the second end of the operation handle 30 is provided with a second support rod 31, one end of a lever 32 is operably disposed between the first support rod 29 and the second support rod 31, and the other end of the lever 32 is pressed downward, so that the operation shaft 26 can be driven to rotate by using the lever principle, and the driving shaft 9 is driven to rotate, thereby implementing the opening and closing actions of the bottom door.
In the embodiment of the invention, the pry bar 31 can be temporarily placed on the vehicle and can be quickly found when in use, so that the efficiency is improved.
Therefore, the unlocking of the lock block can be completed by operating the lifting rod, the unlocking device is convenient and quick, the opening and closing actions of the bottom door opening and closing mechanism can be quickly realized by the operating assembly, and the unlocking device has good practicability.
The following embodiments are provided for the purpose of illustrating the present invention and are not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the technical features of the present invention can be modified or changed in some ways without departing from the scope of the present invention.
Claims (10)
1. A bottom door assist opening device, comprising:
the driving shaft is rotatably arranged at the bottom of the vehicle body, and the rotation of the driving shaft can drive the bottom door opening and closing mechanism to operate so as to open and close the bottom door;
the locking piece is rotatably arranged at the bottom of the vehicle body and can limit the rotation of the driving shaft;
the unblock subassembly, the unblock subassembly includes support, shadoof and backup pad, the support with the backup pad relatively fixed sets up on the automobile body, the shadoof has relative first end and second end, the first end of shadoof rotationally connects on the support, the top of backup pad is provided with first constant head tank and second constant head tank, the degree of depth in first constant head tank is less than the degree of depth of second constant head tank, the second end of shadoof selectively sets up first constant head tank or in the second constant head tank, the second end of shadoof with the locking piece is connected.
2. The auxiliary bottom door opening device as claimed in claim 1, wherein the unlocking assembly further comprises a chain having opposite first and second ends, the first end of the chain being connected to the second end of the lifting bar, the second end of the chain being connected to the locking block.
3. The auxiliary opening device for the bottom door as claimed in claim 2, wherein a driving handle is arranged on the driving shaft, and one end of the driving handle, which is far away from the driving shaft, is a braking end;
one end of the locking block is rotatably connected to the bottom of the vehicle body, the other end of the locking block is a braking end, and the other end of the locking block is connected with the second end of the chain;
the other end of the locking block can be abutted against one end of the driving handle far away from the driving shaft so as to limit the rotation of the driving handle.
4. The auxiliary opening device for the bottom door as claimed in claim 1, wherein a main shaft support is provided at the bottom of the vehicle body, and the driving shaft is rotatably provided in the main shaft support.
5. The auxiliary opening device for the bottom door as claimed in claim 1, further comprising an operating shaft fixedly connected to any one end of the driving shaft.
6. The auxiliary opening device for the bottom door as claimed in claim 5, wherein the operating shaft has a first end and a second end opposite to each other, the first end of the operating shaft has an opening, the opening has a regular polygon shape, one end of the driving shaft has a regular polygon shape, and one end of the driving shaft is movably inserted into the first end of the operating shaft in a matching manner.
7. The auxiliary opening device for the bottom door as claimed in claim 6, further comprising an operating support through which the second end of the operating shaft is rotatably inserted, the operating support being detachably coupled to the vehicle body.
8. The auxiliary opening device for the bottom door as claimed in claim 7, wherein a mounting hole is formed in a side wall of the vehicle body, the operating support can be inserted into the mounting hole, and the part of the operating support inserted into the mounting hole is detachably connected with the vehicle body through a bolt.
9. The auxiliary opening device for the bottom door as claimed in claim 7, wherein the second end of the operating shaft is coaxially connected with a first supporting rod;
the device also comprises an operating handle, wherein the operating handle is provided with a first end and a second end, the first end of the operating handle is fixedly connected to the second end of the operating shaft, the second end of the operating handle is far away from the operating shaft, and a second supporting rod is arranged at the second end of the operating handle;
the device still includes the pinch bar, the one end of pinch bar is operatively set up first bracing piece with between the second bracing piece, pushes down the other end of pinch bar, can drive the operating axis rotates.
10. A hopper wagon, wherein the hopper wagon comprises a bottom door auxiliary opening device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357543.8A CN111038533B (en) | 2019-12-25 | 2019-12-25 | Auxiliary opening device for bottom door and hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357543.8A CN111038533B (en) | 2019-12-25 | 2019-12-25 | Auxiliary opening device for bottom door and hopper car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111038533A CN111038533A (en) | 2020-04-21 |
| CN111038533B true CN111038533B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911357543.8A Active CN111038533B (en) | 2019-12-25 | 2019-12-25 | Auxiliary opening device for bottom door and hopper car |
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| Country | Link |
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| CN (1) | CN111038533B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038534B (en) * | 2019-12-25 | 2023-06-27 | 中车长江车辆有限公司 | Bottom door opening and closing mechanism and hopper car |
| CN114132350B (en) * | 2021-11-30 | 2023-03-14 | 中车齐齐哈尔车辆有限公司 | Locking device of door opening and closing device and vehicle |
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| US10239542B2 (en) * | 2009-01-27 | 2019-03-26 | National Steel Car Limited | Railroad car and door mechanism therefor |
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| JPH08112029A (en) * | 1994-10-18 | 1996-05-07 | Yanmar Agricult Equip Co Ltd | Bagging apparatus in combine harvester |
| WO2004069625A3 (en) * | 2003-02-03 | 2008-07-31 | Fred J Taylor | Manual railroad hopper car door actuating mechanism |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111038533A (en) | 2020-04-21 |
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