CN110641488B - Opening and closing mechanism for discharge port at bottom of carriage - Google Patents
Opening and closing mechanism for discharge port at bottom of carriage Download PDFInfo
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- CN110641488B CN110641488B CN201911031926.6A CN201911031926A CN110641488B CN 110641488 B CN110641488 B CN 110641488B CN 201911031926 A CN201911031926 A CN 201911031926A CN 110641488 B CN110641488 B CN 110641488B
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- opening
- closing
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- sliding column
- sliding
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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
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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
- B61D7/22—Sealing means thereof
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- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention provides an opening and closing mechanism for a discharge hole at the bottom of a carriage, belonging to the technical field of opening and closing mechanisms. The bottom of switching board has the extrusion inclined plane, and the slip post is used for driving the switching board and realizes the switching discharge gate, and when the switching board closed the discharge gate, first gyro wheel can roll extrusion inclined plane, and the one end of balancing weight can rotate ejection slip post under its action of gravity so that first gyro wheel keeps the extrusion to the extrusion inclined plane. The opening and closing mechanism of the discharge hole at the bottom of the carriage can enable the opening and closing plate to upwards extrude the end face of the discharge hole, and the opening and closing plate and the discharge hole are mutually extruded to increase the sealing effect of the opening and closing plate on the discharge hole, so that the opening and closing mechanism of the discharge hole at the bottom of the carriage solves the problem that the existing opening and closing mechanism is poor in sealing effect on the discharge hole.
Description
Technical Field
The invention belongs to the technical field of opening and closing mechanisms, and particularly relates to an opening and closing mechanism for a discharge hole at the bottom of a carriage.
Background
In the process of realizing the invention, the inventor finds that the existing opening and closing mechanism for the discharge port at the bottom of the carriage is single in structure and poor in sealing effect.
Disclosure of Invention
The invention aims to provide an opening and closing mechanism for a discharge port at the bottom of a carriage, and aims to solve the problem that the existing opening and closing mechanism is poor in sealing effect on the discharge port.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an opening and closing mechanism of carriage bottom discharge gate, includes switching board, slip post, first gyro wheel and balancing weight. The switching board is arranged below the discharge hole, and the bottom end of the switching board is provided with an extrusion inclined plane. The sliding column is connected with the horizontal sliding of the bottom of the carriage, one end of the sliding column is connected with the opening and closing plate, and the sliding column is used for driving the opening and closing plate to realize opening and closing of the discharge hole. First gyro wheel is located the below of switching board, with carriage bottom roll connection, the switching board is sealed during the discharge gate, first gyro wheel can roll the extrusion the inclined plane in order to realize the switching board upwards extrudees the terminal surface of discharge gate. One end of the balancing weight is used for being rotatably connected with the bottom of the carriage around a horizontal axis, and the other end of the balancing weight can rotatably push the sliding column under the action of gravity of the balancing weight so that the first roller can keep extruding the extrusion inclined plane.
As another embodiment of this application, the switching board with the sliding column is connected with the help of extrusion subassembly, the switching board with the help of extrusion subassembly with the sliding column is connected, extrusion subassembly includes guide post, slide and first spring. The quantity of guide post is at least one and follows the setting of sliding column slip direction, the both ends of guide post respectively with the help of a connecting seat with switching board fixed connection. The sliding plate is fixedly connected with the sliding column, and the middle part of the guide column penetrates through the sliding plate in a sliding mode. Every all the cover is equipped with a first spring on the guide post, the both ends of first spring are extrudeed respectively slide and one the connecting seat, the drive of slip post the slide extrusion of sliding first spring is realized the closing plate is closed the discharge gate.
As another embodiment of this application, the slip post is kept away from the one end of switching board has set firmly the pull pole, the pull pole level sets up and perpendicular to the slip direction of slip post.
As another embodiment of the application, the sliding column is connected with the bottom of the carriage in a sliding mode through a sliding block assembly, and the sliding block assembly comprises a first guide seat, a second guide seat and a guide sleeve, wherein the first guide seat, the second guide seat and the guide sleeve are fixedly connected with the bottom of the carriage. The first guide seat is sleeved in the middle of the sliding column. The second guide seat is sleeved at one end, far away from the opening and closing plate, of the sliding column. The number of uide bushing is two and wears to establish respectively and be fixed in first guide holder and the second guide holder, the inner circle sliding sleeve of uide bushing is located on the slip post.
As another embodiment of this application, the closing mechanism of carriage bottom discharge gate still includes the protection casing, with carriage bottom fixed connection, the protection casing has and is used for the first lateral wall that the slip post slided and passes, the protection casing is used for covering and establishes first guide holder orientation the closing mechanism of switching board one side just offers the hourglass material hole that corresponds the discharge gate.
As another embodiment of this application, first guide holder is fixed with seal assembly, seal assembly includes that slip cap locates the sleeve, first sealing washer, extrusion ring and the second spring of slip post. Telescopic one end and first guide holder fixed connection, the other end pass first lateral wall and with first lateral wall sealing connection, telescopic both ends all seted up be used for the slip post to pass and with slip post clearance fit's hole. The first sealing ring is arranged at the end part of one side of the sleeve close to the opening and closing plate. The extrusion ring is arranged in the sleeve, and one side surface of the extrusion ring is attached to the first sealing ring. The second spring is arranged in the sleeve and used for extruding the other side surface of the extrusion ring.
As another embodiment of this application, seted up the observation hole on the diapire of protection casing, observation hole department is equipped with the observation door.
As another embodiment of this application, the observation door with the help of the mechanism that opens and shuts with the protection casing is connected, the mechanism that opens and shuts includes opening and shutting pole, threaded rod and gland nut. The opening and closing rod is arranged below the observation door, one end and the middle part of the opening and closing rod are respectively hinged with the protective cover and the observation door, and the other end of the opening and closing rod is provided with an opening and closing opening which is communicated outwards. The threaded rod with the protection casing is articulated and its middle part can rotate and get into or withdraw from the opening and shutting opening. And the compression nut is in threaded connection with the threaded rod and is used for locking the observation door with the protective cover.
As another embodiment of this application, the slip post corresponds the one end of balancing weight is equipped with the second gyro wheel, the rotation end of balancing weight is equipped with an slope and sets up extrusion wall, thereby the extrusion wall is used for rotating the ejection thereby the second gyro wheel makes first gyro wheel roll extrusion inclined plane.
As another embodiment of this application, the switching board includes the sealing layer on upper portion and the extrusion layer of lower part, the top surface of sealing layer be equipped with rather than coaxial annular groove and match install in second sealing washer in the annular groove, the second sealing washer is used for the extrusion the terminal surface of discharge gate.
The opening and closing mechanism of the discharge hole at the bottom of the carriage has the advantages that: compared with the prior art, the opening and closing mechanism for the discharge hole at the bottom of the carriage provided by the invention has the advantages that when the opening and closing plate slides along with the sliding column to close the discharge hole, the first roller rolls to extrude the extrusion inclined plane, one end of the balancing weight extrudes the sliding column through rotation, so that the first roller keeps extruding the extrusion inclined plane, namely the balancing weight locks the sliding column, the opening and closing plate can upwards extrude the end surface of the discharge hole, and the sealing effect of the opening and closing plate on the discharge hole can be increased through mutual extrusion between the opening and closing plate and the discharge hole, so that the problem that the sealing effect of the existing opening and closing mechanism on the discharge hole is poor is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described 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 without creative efforts.
Fig. 1 is a schematic axial sectional view of an opening and closing mechanism of a discharge port at the bottom of a carriage according to an embodiment of the present invention;
FIG. 2 is a schematic axial view of an opening/closing mechanism for a discharge port at the bottom of a carriage according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional front view of an opening/closing mechanism of a car bottom discharge hole according to an embodiment of the present invention;
FIG. 4 is a bottom view of the structure of FIG. 3;
FIG. 5 is an enlarged schematic view of a portion A of FIG. 1;
fig. 6 is an enlarged schematic structural view of a portion B in fig. 1.
In the figure: 1. the bottom of the carriage; 11. a discharge port; 2. an opening/closing plate; 201. extruding the inclined plane; 21. a sealing layer; 22. extruding the layer; 23. a second seal ring; 3. a sliding post; 31. a second roller; 4. a first roller; 5. a balancing weight; 51. extruding the wall; 52. raising the wall; 6. an extrusion assembly; 61. a guide post; 611. a connecting seat; 62. a first spring; 63. a slide plate; 7. a pull rod; 81. a first guide seat; 82. a second guide seat; 83. a guide sleeve; 9. a protective cover; 91. a first side wall; 92. a material leaking hole; 93. a delivery cylinder; 94. an observation hole; 110. a seal assembly; 111. a sleeve; 112. a first seal ring; 113. an extrusion ring; 114. a second spring; 120. an observation door; 121. laminating layers; 130. an opening and closing mechanism; 131. an opening and closing lever; 1311. opening and closing the gap; 132. a threaded rod; 133. and (5) pressing the nut.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, 2, 3 and 5, the opening and closing mechanism for the bottom discharge port of the vehicle compartment according to the present invention will now be described. The opening and closing mechanism of the discharge hole at the bottom of the carriage comprises an opening and closing plate 2, a sliding column 3, a first roller 4 and a balancing weight 5.
The opening and closing plate 2 is arranged below the discharge port 11, and the bottom end of the opening and closing plate 2 is provided with an extrusion inclined surface 201. The sliding column 3 is connected with the carriage bottom 1 in a horizontal sliding mode, one end of the sliding column 3 is connected with the opening and closing plate 2, and the sliding column 3 is used for driving the opening and closing plate 2 to achieve opening and closing of the discharge hole 11. First gyro wheel 4 is located the below of shutter 2, with carriage bottom 1 roll connection, and when shutter 2 closed discharge gate 11, first gyro wheel 4 can roll extrusion inclined plane 201 in order to realize shutter 2 upwards extrusion discharge gate 11's terminal surface. One end of the balancing weight 5 is used for being rotatably connected with the carriage bottom 1 around a horizontal axis, and the other end of the balancing weight can rotate to push the sliding column 3 under the action of gravity of the balancing weight so that the first roller 4 keeps extruding the extruding inclined plane 201.
In this embodiment, can set up a flexible subassembly in carriage bottom 1 and drive the slip post 3 and slide, flexible subassembly can adopt pneumatic cylinder, electric putter etc. also can direct manual drive slip post 3 and slide. The friction between the first roller 4 and the pressing slope 201 is small due to rolling friction, so that the abrasion between the first roller 4 and the pressing slope 201 can be reduced.
Compared with the prior art, the opening and closing mechanism for the discharge hole at the bottom of the carriage provided by the invention has the advantages that when the opening and closing plate 2 slides along with the sliding column 3 to close the discharge hole 11, the first roller 4 rolls to extrude the inclined plane 201, one end of the counterweight block 5 pushes the sliding column 3 through rotation, so that the first roller 4 keeps extruding the inclined plane 201, and the sliding column 3 is locked by the counterweight block 5, so that the opening and closing plate 2 can extrude the end surface of the discharge hole 11 upwards, and the sealing effect of the opening and closing plate 2 on the discharge hole 11 can be increased through mutual extrusion between the opening and closing plate 2 and the discharge hole 11, therefore, the problem that the sealing effect of the existing opening and closing mechanism on the discharge hole 11 is poor is solved.
Referring to fig. 4, as an embodiment of the opening and closing mechanism for the bottom discharge port of the car provided by the present invention, the opening and closing plate 2 is connected to the sliding column 3 by means of the pressing assembly 6, and the pressing assembly 6 includes a guide column 61, a sliding plate 63, and a first spring 62. The number of the guiding columns 61 is at least one and is arranged along the sliding direction of the sliding column 3, and two ends of the guiding columns 61 are respectively fixedly connected with the opening and closing plate 2 by virtue of a connecting seat 611. The sliding plate 63 is fixedly connected with the sliding column 3, and the middle part of the guide column 61 penetrates through the sliding plate 63 in a sliding mode. All the cover is equipped with a first spring 62 on every guide post 61, slide 63 and a connecting seat 611 are extruded respectively to first spring 62's both ends, slide 3 drive slide 63 of slip post slides and extrudes first spring 62 and realizes that shutter 2 closes discharge gate 11, after shutter 2 seals discharge gate 11 like this, through the extrusion of first spring 62, make first gyro wheel 4 keep certain extrusion force to extrusion inclined plane 201, simultaneously because first spring 62's cushioning effect, can alleviate the impact force to this closing mechanism's influence, this closing mechanism has been guaranteed to a certain extent to the sealed reliability of discharge gate 11. The sliding column 3 drives the sliding plate 63 to slide and press the other connecting seat 611, so that the opening and closing plate 2 can open the discharge hole 11.
Referring to fig. 1 and 2, as a specific embodiment of the opening and closing mechanism for the car bottom discharge hole provided by the present invention, a pull rod 7 is fixedly disposed at one end of the sliding column 3 away from the opening and closing plate 2, and the pull rod 7 is disposed horizontally and perpendicular to the sliding direction of the sliding column 3. The sliding column 3 can be conveniently driven to slide by an operator through the drawing rod 7.
Referring to fig. 1 and 6, in order to realize the sliding connection between the sliding column 3 and the car bottom 1, the sliding column 3 is slidably connected to the car bottom 1 by means of a sliding block assembly, the sliding block assembly includes a first guide seat 81, a second guide seat 82 and a guide sleeve 83, the first guide seat 81 is sleeved on the middle portion of the sliding column 3, the second guide seat 82 is sleeved on one end of the sliding column 3 away from the shutter 2, the number of the guide sleeves 83 is two, the two guide sleeves are respectively fixed in the first guide seat 81 and the second guide seat 82 in a penetrating manner, and the inner ring of the guide sleeve 83 is slidably sleeved on the sliding column 3. In this embodiment, uide bushing 83 adopts the copper product, because the copper product is softer, when first gyro wheel 4 rolls extrusion inclined plane 201, switching board 2 can upwards extrude the terminal surface of material mouth 11, so the one end that switching board 2 was connected to sliding column 3 can upwarp slightly, sliding column 3 deviates from the one end of switching board 2 and slightly upwarps downwards, at this moment sliding column 3's middle part and sliding column 3 leave the one end of switching board 2 and will extrude uide bushing 83, corresponding deformation just can be made thereupon after uide bushing 83 adopts the copper product.
Referring to fig. 1 and 3, the opening and closing mechanism for the discharge hole at the bottom of the carriage further includes a protective cover 9 fixedly connected to the bottom 1 of the carriage, the protective cover 9 has a first sidewall 91 for the sliding column 3 to slide through, and the protective cover 9 is used for covering the opening and closing mechanism of the first guide seat 81 facing the side of the opening and closing plate 2 and is provided with a material leaking hole 92 corresponding to the discharge hole 11. Because the carriage transported is powder class article, therefore raise dust must appear when unloading through discharge gate 11, if these raise dust are attached to the other spare parts of the closing mechanism outside protection casing 9, must influence the use of these spare parts, even accelerate the wearing and tearing between two relative frictional parts, and the setting of protection casing 9 can make the better operation of closing mechanism, prolongs the life of closing mechanism even. In this embodiment, a material delivery cylinder 93 can be disposed at the material leakage hole 92, the material delivery cylinder 93 is vertically through, and one end of the material delivery cylinder is hermetically connected to the material leakage hole 92, the material delivery cylinder 93 can prevent the dust materials leaked from the material outlet 11 from diffusing around before entering the designated container, so as to suppress the dust. The first roller 4 can be fixedly connected to the bottom 1 of the car by means of a feed cylinder 93.
Referring to fig. 1 and 6, as an embodiment of the opening and closing mechanism for the car bottom discharge hole provided in the present invention, a sealing assembly 110 is fixed to the first guide seat 81, and the sealing assembly 110 includes a sleeve 111 slidably sleeved on the sliding column 3, a first sealing ring 112, a pressing ring 113, and a second spring 114. One end of the sleeve 111 is fixedly connected with the first guide seat 81, the other end of the sleeve 111 penetrates through the first side wall 91 and is hermetically connected with the first side wall 91, and holes used for the sliding column 3 to penetrate through and to be in clearance fit with the sliding column 3 are formed in both ends of the sleeve 111. The first seal 112 is provided at an end portion of the sleeve 111 on the side closer to the opening/closing plate 2. The pressing ring 113 is disposed in the sleeve 111 and has a side surface attached to the first sealing ring 112. The second spring 114 is provided in the sleeve 111 to press the other side surface of the pressing ring 113. Because the sliding column 3 slides through the first side wall 91, a hole for the sliding column 3 to pass through is formed in the first side wall 91, and if the sealing assembly 110 is not provided, because the sliding column 3 is in a tilting state in the process of driving the opening and closing plate 2 to slide and close the discharge hole 11, the hole for the sliding column 3 to pass through formed in the first side wall 91 must be in clearance fit with the sliding column 3, so that the protection function of the protection cover 9 can be reduced. After the sealing assembly 110 is arranged, the second spring 114 presses the pressing ring 113, the pressing ring 113 transmits pressure to the first sealing ring 112, and the first sealing ring 112 deforms under the action of pressure, so that the space between the inner ring of the first sealing ring 112 and the sliding column 3 and the space between one side surface of the first sealing ring 112 and the end part of the corresponding sleeve 111 are sealed, and thus, even if the holes which are formed at the two ends of the sleeve 111 and used for the sliding column 3 to penetrate through are in clearance fit with the sliding column 3, dust can not enter the sleeve 111, and the sleeve 111 is in sealing connection with the protective cover 9, so that the dust can not escape to the outside of the protective cover 9 from the sealing assembly 110, and the protective function of the protective cover 9 is ensured.
Referring to fig. 1, 3 and 4, as a specific embodiment of the opening and closing mechanism for the discharge hole at the bottom of the carriage, an observation hole 94 is formed in the bottom wall of the protection cover 9, and an observation door 120 is disposed at the observation hole 94. Whether the sliding column 3 slides in place can be observed through the observation hole 94, cleaning in the protective cover 9 is facilitated, and in the implementation, some marks for alignment can be arranged at the bottom of the sliding column 3 and the bottom of a carriage, so that an operator can conveniently judge whether the sliding column 3 slides in place.
Referring to fig. 1, 3 and 4, as an embodiment of the opening and closing mechanism for the car bottom discharge hole provided by the present invention, the observation door 120 is connected to the protection cover 9 by an opening and closing mechanism 130, and the opening and closing mechanism 130 includes an opening and closing rod 131, a threaded rod 132 and a compression nut 133. The opening and closing rod 131 is arranged below the observation door 120, one end and the middle part of the opening and closing rod 131 are respectively hinged with the protective cover 9 and the observation door 120, and the other end of the opening and closing rod 131 is provided with an opening and closing notch 1311 which penetrates outwards. The threaded rod 132 is hinged to the shield 9 and can be rotated in and out of the opening and closing gap 1311 at its middle. A compression nut 133 is threadedly coupled to the threaded rod 132, and the compression nut 133 is used to lock the observation door 120 to the shield 9. When the observation hole 94 needs to be opened, the pressing nut 133 is rotated to move downwards for a certain distance, then the threaded rod 132 is rotated to enable the middle part to exit the opening and closing gap 1311, finally the opening and closing rod 131 can be rotated to enable the observation door 120 to be driven to open the observation hole 94, when the observation hole 94 needs to be closed, the opening and closing rod 131 is rotated to enable the observation door 120 to be attached to the observation hole 94, then the threaded rod 132 is rotated to enable the middle part to enter the opening and closing gap 1311, and finally the pressing nut 133 is rotated to enable the observation door 120 to be pressed. In this embodiment, the compression nut 133 may be a wing nut or other nut that facilitates manual operation.
As a specific embodiment of the opening and closing mechanism for the discharge port at the bottom of the carriage provided by the present invention, please refer to fig. 4, a plurality of opening and closing mechanisms 130 may be uniformly arranged, so as to ensure the sealing between the observation door 120 and the protection cover 9. In this embodiment, the viewing door 120 has a layer of adhesive 121 for pressing against the protective cover 9 to seal the viewing aperture 94.
Referring to fig. 1 and 3, in order to realize that the counterweight 5 rotates to push the sliding column 3 to slide so that the first roller 4 keeps pressing the pressing inclined plane 201, one end of the sliding column 3 corresponding to the counterweight 5 is provided with a second roller 31, a rotating end of the counterweight 5 is provided with an obliquely arranged pressing wall 51, and the pressing wall 51 is used for rotating to push the second roller 31 so that the first roller 4 rolls and presses the pressing inclined plane 201. When the pressing wall 51 rotates to push the second roller 31, the second roller 31 rotates, so that the friction between the second roller 31 and the pressing wall 51 is small, that is, the abrasion between the second roller 31 and the pressing wall 51 can be reduced. In this embodiment, an inclined lifting wall 52 may be fixedly disposed on the outer side surface of the pressing wall 51 for lifting the rotating end of the weight block 5 upward when the second roller 31 moves toward the opening/closing plate 2. In addition, the pressing wall 51 may form a downward-opening V-shaped structure with the other side wall, and when the pressing wall 51 presses the second roller 31, the V-shaped structure covers the second roller 31 to lock the sliding column 3. When the discharge port 11 needs to be opened, the rotating end of the counterweight 5 is jacked up by using a jack and the like, and then the sliding column 3 slides outwards.
Referring to fig. 1 and 3, the opening and closing plate 2 includes an upper sealing layer 21 and a lower extrusion layer 22, the top surface of the sealing layer 21 is provided with an annular groove coaxial with the sealing layer 21, and a second sealing ring 23 fittingly installed in the annular groove, and the second sealing ring 23 is used for extruding the end surface of the material outlet 11. The second sealing ring 23 can ensure the sealing of the discharge port 11, and the second sealing ring 23 can reduce the abrasion of the discharge port 11 by extruding the discharge port 11. In this embodiment, the sealing layer 21 may be configured as an annular structure, a protrusion with a circular cross section is disposed in the middle of the top of the extrusion layer 22 for positioning, and the lower end of the sealing layer 21 is fixed to the extrusion layer 22 after being sleeved on the circular protrusion.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The closing mechanism of carriage bottom discharge gate, its characterized in that includes:
the opening and closing plate is arranged below the discharge hole, and the bottom end of the opening and closing plate is provided with an extrusion inclined plane;
the sliding column is horizontally and slidably connected with the bottom of the carriage, one end of the sliding column is connected with the opening and closing plate, and the sliding column is used for driving the opening and closing plate to open and close the discharge hole;
the first roller is arranged below the opening and closing plate and is in rolling connection with the bottom of the carriage, and when the opening and closing plate closes the discharge hole, the first roller can roll and extrude the extrusion inclined plane to enable the opening and closing plate to upwards extrude the end face of the discharge hole;
one end of the counterweight block is used for being rotatably connected with the bottom of the carriage around a horizontal axis, and the other end of the counterweight block can rotatably push the sliding column under the action of gravity of the counterweight block so that the first roller can keep extruding the extrusion inclined plane;
the switching board with the help of extrusion subassembly with the sliding column is connected, extrusion subassembly includes:
the number of the guide posts is at least one, the guide posts are arranged along the sliding direction of the sliding post, and two ends of each guide post are fixedly connected with the opening and closing plate by virtue of a connecting seat;
the sliding plate is fixedly connected with the sliding column, and the middle part of the guide column penetrates through the sliding plate in a sliding manner;
the first spring, every all the cover is equipped with a first spring on the guide post, the both ends of first spring are extrudeed respectively slide and one the connecting seat, the drive of slip post the slide extrusion first spring is realized the switching board is closed the discharge gate.
2. The opening and closing mechanism for the discharging port at the bottom of the carriage as claimed in claim 1, wherein a pulling rod is fixedly arranged at one end of the sliding column far away from the opening and closing plate, and the pulling rod is horizontally arranged and perpendicular to the sliding direction of the sliding column.
3. The bottom hatch opening and closing mechanism of claim 1 wherein said sliding post is slidably connected to the bottom of the compartment by means of a slider assembly, said slider assembly comprising, fixedly attached to the bottom of the compartment:
the first guide seat is sleeved in the middle of the sliding column;
the second guide seat is sleeved at one end of the sliding column, which is far away from the opening and closing plate;
the number of the guide sleeves is two, the guide sleeves are respectively fixed in the first guide seat and the second guide seat in a penetrating mode, and the inner ring of each guide sleeve is slidably sleeved on the corresponding sliding column.
4. The opening and closing mechanism of the discharging port at the bottom of the carriage as claimed in claim 3, further comprising a protective cover fixedly connected with the bottom of the carriage, wherein the protective cover has a first side wall for the sliding column to slide through, and is used for covering the opening and closing mechanism at one side of the opening and closing plate with a first guide seat and a material leaking hole corresponding to the discharging port.
5. The opening and closing mechanism for the discharging port at the bottom of the carriage as claimed in claim 4, wherein the first guiding seat is fixed with a sealing component, the sealing component comprises a sliding sleeve which is sleeved on the sliding column:
one end of the sleeve is fixedly connected with the first guide seat, the other end of the sleeve penetrates through the first side wall and is in sealing connection with the first side wall, and holes for the sliding columns to penetrate through and are in clearance fit with the sliding columns are formed in the two ends of the sleeve;
the first sealing ring is arranged at the end part close to one side of the opening and closing plate in the sleeve;
the extrusion ring is arranged in the sleeve, and one side surface of the extrusion ring is attached to the first sealing ring;
and the second spring is arranged in the sleeve and is used for extruding the other side surface of the extrusion ring.
6. The opening and closing mechanism for the discharging port at the bottom of the carriage as claimed in claim 4, wherein the bottom wall of the protection cover is provided with an observation hole, and the observation hole is provided with an observation door.
7. The opening and closing mechanism for the bottom discharge port of a carriage as claimed in claim 6, wherein the observation door is connected to the protection cover by means of an opening and closing mechanism, the opening and closing mechanism comprising:
the opening and closing rod is arranged below the observation door, one end and the middle part of the opening and closing rod are respectively hinged with the protective cover and the observation door, and the other end of the opening and closing rod is provided with an opening and closing opening which is communicated outwards;
the threaded rod is hinged with the protective cover, and the middle part of the threaded rod can rotate to enter or exit the opening and closing gap;
and the compression nut is in threaded connection with the threaded rod and is used for locking the observation door and the protective cover.
8. The opening and closing mechanism for the discharging port at the bottom of the carriage as claimed in claim 1, wherein a second roller is disposed at an end of the sliding column corresponding to the weight member, and a pressing wall is disposed at a rotating end of the weight member and is inclined to push against the second roller, so that the first roller rolls and presses the pressing slope.
9. The opening and closing mechanism for the bottom discharge port of a vehicle compartment as claimed in claim 1, wherein said opening and closing plate comprises an upper sealing layer and a lower pressing layer, the top surface of said sealing layer is provided with an annular groove coaxial therewith and a second sealing ring fittingly mounted in said annular groove, said second sealing ring is used for pressing the end surface of said discharge port.
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CN201911031926.6A CN110641488B (en) | 2019-10-28 | 2019-10-28 | Opening and closing mechanism for discharge port at bottom of carriage |
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CN201911031926.6A CN110641488B (en) | 2019-10-28 | 2019-10-28 | Opening and closing mechanism for discharge port at bottom of carriage |
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CN114378921A (en) * | 2021-12-11 | 2022-04-22 | 康姆罗拉有限公司 | Special ceramic product forming and processing equipment |
CN116986771A (en) * | 2023-09-11 | 2023-11-03 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Pit-closing mine underground water pollution treatment equipment |
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US3865046A (en) * | 1972-10-13 | 1975-02-11 | Evans Prod Co | Hopper discharge gate sealing structure |
US4359176A (en) * | 1980-09-19 | 1982-11-16 | Johnson Grady L | Powered hopper door |
US4450773A (en) * | 1981-01-23 | 1984-05-29 | The Youngstown Steel Door Co. | Sliding gate for a railroad hopper car |
US5613446A (en) * | 1995-05-02 | 1997-03-25 | Trinity Industries, Inc. | Railway hopper car gate valve and operating assembly |
US6024023A (en) * | 1997-05-08 | 2000-02-15 | Thrall Car Manufacturing Company | Hopper car gate |
US7367271B2 (en) * | 2004-01-30 | 2008-05-06 | Aero Transportation Products, Inc. | Railway hopper car discharge gate |
CN206589880U (en) * | 2017-03-29 | 2017-10-27 | 丁岚 | A kind of mine car of bottom discharge |
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2019
- 2019-10-28 CN CN201911031926.6A patent/CN110641488B/en active Active
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