Tunnel kiln car with dust removal mechanism

Abstract

The utility model belongs to the technical field of tunnel kiln cars, and particularly relates to a tunnel kiln car with a dust removal mechanism, which comprises a kiln car body, sliding grooves are symmetrically arranged at the top of the kiln car body, sliding plates are slidably mounted in the sliding grooves, and a fixing plate is fixedly mounted between the two sliding plates and positioned above the kiln car body. Sliding rails are fixedly mounted at the bottoms of the sliding grooves, and rolling wheels in sliding connection with the sliding rails are symmetrically and fixedly mounted at the bottom of the sliding plate. The driving assembly is located on the kiln car body and used for driving the two rolling wheels at the bottom of one sliding plate to roll on the corresponding sliding rails; when the whole device is used, the dust remover can be conveniently installed on the kiln car body, the kiln car body does not need to be moved to a designated place, dust removal is convenient, operation is easy, meanwhile, dust on the top of the kiln car body can be completely removed, and the situation that the appearance of a product is affected due to excessive dust is avoided.

Description

Technical Field

[0001] This utility model belongs to the technical field of tunnel kiln cars, and particularly relates to a tunnel kiln car with a dust removal mechanism. Background Technology

[0002] The kiln car is the transportation equipment of the tunnel kiln. It is mainly used for roasting operations inside the tunnel kiln and is the most important auxiliary equipment of the tunnel kiln. During the roasting process, the tunnel kiln will generate a lot of dust. If this dust enters the kiln car, it will affect the appearance of the product, so the kiln car needs to be cleaned.

[0003] For example, Chinese patent CN213687879U discloses a kiln car, belonging to the field of kiln car technology. Its features include a kiln car body and a support frame mounted on the upper side of the kiln car body. The uprights of the support frame are directly supported on the kiln car body, and a limiting device for limiting the uprights is provided on the side of the kiln car body. The direct support of the support frame on the kiln car body solves the problem of brick collapse caused by deformation of heavy bricks during repeated firing. Furthermore, the heavy bricks do not need to fill the entire kiln car body, greatly reducing the weight of the kiln car body and increasing the service life of the bearings between the rollers and the kiln car body. Moreover, due to the reduced number of heavy bricks, the heat absorbed by the heavy bricks is greatly reduced, avoiding excessive heat absorption by the heavy bricks, improving energy utilization, and reducing the energy consumption of brick firing.

[0004] The aforementioned patent has the following problems:

[0005] This patent has some drawbacks in its use, such as the generation of a large amount of dust after firing, which may affect the appearance of the product. Furthermore, dust removal requires moving the kiln car to a designated location, making dust removal inconvenient and time-consuming. Therefore, we propose a tunnel kiln car with a dust removal mechanism. Utility Model Content

[0006] The purpose of this invention is to provide a tunnel kiln car with a dust removal mechanism to solve the problems mentioned in the background art.

[0007] In view of this, the present invention provides a tunnel kiln car with a dust removal mechanism, comprising:

[0008] The kiln car body has symmetrical sliding grooves on its top, and sliding plates are slidably installed in the sliding grooves. A fixing plate is fixedly installed between the two sliding plates and above the kiln car body. A slide rail is fixedly installed at the bottom of the sliding grooves, and rollers that are slidably connected to the slide rail are symmetrically fixedly installed at the bottom of the sliding plates.

[0009] A drive assembly located on the kiln car body and used to drive two rollers at the bottom of one of the sliding plates to roll on corresponding slide rails;

[0010] Two rectangular plates are fixedly installed on the top of two sliding plates, and a support plate is inserted into each of the two rectangular plates.

[0011] Two limiting components are respectively located inside two sliding plates and are used to fix two support plates to the two sliding plates respectively;

[0012] The dust collector is fixedly installed between two support plates and above the fixed plates. A fixed pipe is fixedly installed at the air inlet of the dust collector, and a trapezoidal air inlet is fixedly installed at the bottom of the fixed pipe. The air inlet of the trapezoidal air inlet is located above the kiln car body.

[0013] In this technical solution, when dust removal is required on the kiln car body, two support plates are first placed on top of two rectangular plates. The two support plates then slide downwards. Once the two rectangular plates are positioned within the support plates, two limiting components fix their positions, further securing the dust collectors on the support plates above the kiln car body. The dust collectors are then activated, drawing all dust from the kiln car body into a fixed pipe via a trapezoidal suction port. Finally, the dust enters the dust collector through the fixed pipe for collection. A drive component moves one sliding plate within its corresponding sliding groove. This sliding plate, via a fixed plate, moves the other sliding plate within its corresponding sliding groove. The rollers at the bottom of the two sliding plates, in conjunction with the slide rails, make their movement easier. The two sliding plates then move the two rectangular plates, which in turn move the two support plates. Finally, the two support plates move the dust collector, achieving complete dust removal from the top of the kiln car body.

[0014] In the above technical solution, the driving component further includes:

[0015] A fixed block is fixedly installed on one side of one of the sliding plates, and a gear is rotatably installed inside the fixed block. A rocker arm is fixedly installed on one side of the gear, one end of the rocker arm passes through one side of the fixed block and extends to the outside, and the rocker arm is rotatably connected to the fixed block. A rack is fixedly installed on the top of the kiln car body and at the bottom of the gear, and the rack meshes with the gear.

[0016] In this technical solution, rotating the rocker arm drives the gear to rotate. The gear, through its meshing rack, drives the fixed block to slide on the kiln car body. The fixed block drives one of the sliding plates to slide in the corresponding sliding groove. One of the sliding plates drives the other sliding plate to slide in the corresponding sliding groove through the fixed plate. The two sliding plates, through the cooperation of the rollers at the bottom and the slide rail, make the sliding of the two sliding plates easier. The two sliding plates drive two rectangular plates to slide, the two rectangular plates drive two support plates to slide, and the two support plates drive the dust collector to slide, thus achieving the effect of completely removing dust from the top of the kiln car body.

[0017] In the above technical solution, the limiting component further includes:

[0018] The power chamber is located at the top of the sliding plate. The bottom of the rectangular plate has two limiting grooves, both of which are connected to the power chamber. Sliding rods are symmetrically slidably installed inside the power chamber. The upper end of each sliding rod passes through one side of the power chamber and the limiting groove and extends into the support plate. Both sliding rods are inserted into the support plate.

[0019] A bidirectional threaded rod is rotatably installed inside the power chamber, with one end of the bidirectional threaded rod passing through two sliding rods and extending to one side of the power chamber and outwards. A handle is fixedly installed at one end of the bidirectional threaded rod. The bidirectional threaded rod is rotatably connected to a sliding plate. The bidirectional threaded rod is provided with threads at both ends with opposite directions of rotation, and the bidirectional threaded rod is threadedly connected to the two sliding rods.

[0020] In this technical solution, after the two rectangular plates are respectively located in the two support plates, the two handles are rotated and the two bidirectional threaded rods are rotated respectively. Under the action of the threads, the bidirectional threaded rods drive the two sliding rods to slide in the power chamber and the corresponding limiting groove and move away from each other. When the two sliding rods slide to the appropriate position, one end of the two sliding rods will be inserted into the corresponding support plate, which can fix the position of the two support plates, and further fix the position of the dust collector on the two support plates above the kiln car body.

[0021] In the above technical solution, a threaded rod is rotatably installed on one side of the kiln car body. One end of the threaded rod passes through one side of the kiln car body and extends into one of the sliding plates. The threaded rod is threadedly connected to the sliding plate.

[0022] In this technical solution, by setting the threaded rod, it can be ensured that the position of the sliding plate is fixed when the whole device is not in use. After rotating the threaded rod, the threaded rod will disengage from one of the sliding plates under the action of the thread, and the sliding plate can then slide in the sliding groove.

[0023] In the above technical solution, the roller is further movably connected to the sliding groove.

[0024] In this technical solution, it is ensured that the four rollers can slide in the two sliding grooves respectively.

[0025] In the above technical solution, the sliding rod is further described as having an L-shaped structure, and the sliding rod is slidably connected to the limiting groove.

[0026] In this technical solution, after the two sliding rods are inserted into the support plate, the position of the two support plates can be fixed, and the sliding rods can slide within the limiting groove.

[0027] The beneficial effects of this utility model are:

[0028] 1. When dust removal is required on the tunnel kiln car with the dust removal mechanism, two support plates are first placed on top of two rectangular plates. Then, the two support plates slide down. After the two rectangular plates are located inside the two support plates, the positions of the two support plates can be fixed by the two limiting components. This further fixes the position of the dust collector on the two support plates above the kiln car body, making it convenient to install the dust collector on the kiln car body without having to move the kiln car body to a designated location. Dust removal is convenient and the operation is simple.

[0029] 2. This tunnel kiln car with a dust removal mechanism, through a set drive component, can drive one of the sliding plates to slide in a corresponding sliding groove. One of the sliding plates drives the other sliding plate to slide in a corresponding sliding groove through a fixed plate. The two sliding plates can slide more effortlessly by cooperating with the bottom rollers and slide rails. The two sliding plates drive two rectangular plates to slide, the two rectangular plates drive two support plates to slide, and the two support plates drive the dust collector to slide, so as to achieve the effect of completely removing dust from the top of the kiln car body and avoid excessive dust affecting the appearance of the product. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0031] Figure 2 This is a schematic diagram of the sliding plate area structure of this utility model;

[0032] Figure 3 This is a schematic diagram of the gear region structure of this utility model;

[0033] Figure 4 This is a schematic diagram of the support plate area structure of this utility model;

[0034] Figure 5 This is the utility model Figure 4 Enlarged structural diagram at point A;

[0035] Figure 6 This is a schematic diagram of a section of the threaded rod of this utility model.

[0036] The markings in the diagram are as follows:

[0037] 1. Kiln car body; 2. Sliding groove; 3. Sliding plate; 4. Slide rail; 5. Roller; 6. Fixing block; 7. Fixing plate; 8. Support plate; 9. Dust collector; 10. Rack; 11. Gear; 12. Rocker arm; 13. Power chamber; 14. Sliding rod; 15. Two-way threaded rod; 16. Handle; 17. Fixed pipe; 18. Trapezoidal air intake; 19. Rectangular plate; 20. Limiting groove; 21. Threaded rod one. Detailed Implementation

[0038] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0039] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0040] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0041] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0042] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0043] Example 1:

[0044] Please see Figure 1 - Figure 6 As shown, this embodiment provides a tunnel kiln car with a dust removal mechanism, including:

[0045] The kiln car body 1 has a sliding groove 2 symmetrically opened on the top of the kiln car body 1, and a sliding plate 3 is slidably installed in the sliding groove 2. A fixed plate 7 is fixedly installed between the two sliding plates 3 and above the kiln car body 1. A slide rail 4 is fixedly installed at the bottom of the sliding groove 2, and rollers 5 that are slidably connected to the slide rail 4 are symmetrically fixedly installed at the bottom of the sliding plate 3.

[0046] The drive assembly is located on the kiln car body 1 and is used to drive the two rollers 5 at the bottom of one of the sliding plates 3 to roll on the corresponding slide rail 4.

[0047] Two rectangular plates 19 are fixedly installed on the top of two sliding plates 3 respectively, and a support plate 8 is inserted and installed on each of the two rectangular plates 19.

[0048] Two limiting components are located inside the two sliding plates 3 respectively, and are used to fix the two support plates 8 onto the two sliding plates 3 respectively;

[0049] Dust collector 9 is fixedly installed between two support plates 8 and above the fixed plate 7. A fixed pipe 17 is fixedly installed at the air inlet of dust collector 9. A trapezoidal air inlet 18 is fixedly installed at the bottom of the fixed pipe 17, and the air inlet of the trapezoidal air inlet 18 is located above the kiln car body 1.

[0050] When dust removal is required on the kiln car body 1, firstly, two support plates 8 are placed above two rectangular plates 19 respectively. Then, the two support plates 8 slide downwards. After the two rectangular plates 19 are located within the two support plates 8, the positions of the two support plates 8 can be fixed by the two limiting components. This further fixes the position of the dust collector 9 on the two support plates 8 above the kiln car body 1. Then, the dust collector 9 is activated. The dust collector 9 will suck all the dust on the kiln car body 1 into the fixed pipe 17 through the trapezoidal suction port 18. Finally, the dust enters from the fixed pipe 17. The dust collector 9 collects and processes the dust. Through the set drive component, one of the sliding plates 3 can be driven to slide in the corresponding sliding groove 2. One of the sliding plates 3 drives the other sliding plate 3 to slide in the corresponding sliding groove 2 through the fixed plate 7. The two sliding plates 3 can slide more effortlessly by cooperating with the bottom roller 5 and the slide rail 4. The two sliding plates 3 drive the two rectangular plates 19 to slide respectively. The two rectangular plates 19 drive the two support plates 8 to slide respectively. The two support plates 8 drive the dust collector 9 to slide, so as to achieve the effect of completely removing the dust on the top of the kiln car body 1.

[0051] It is worth noting that the trapezoidal air intake 18 can draw all the dust into the fixed pipe 17 through the air inlet of the trapezoidal air intake 18, ensuring that the dust can be concentrated and enter the fixed pipe 17 through the air inlet of the trapezoidal air intake 18.

[0052] In this embodiment, the driving component includes:

[0053] A fixed block 6 is fixedly installed on one side of one of the sliding plates 3, and a gear 11 is rotatably installed inside the fixed block 6. A rocker arm 12 is fixedly installed on one side of the gear 11. One end of the rocker arm 12 passes through one side of the fixed block 6 and extends to the outside. The rocker arm 12 is rotatably connected to the fixed block 6. A rack 10 is fixedly installed on the top of the kiln car body 1 and at the bottom of the gear 11. The rack 10 meshes with the gear 11.

[0054] Rotating the rocker arm 12 drives the gear 11 to rotate. The gear 11, through its meshing rack 10, can drive the fixed block 6 to slide on the kiln car body 1. The fixed block 6 drives one of the sliding plates 3 to slide in the corresponding sliding groove 2. One of the sliding plates 3 drives the other sliding plate 3 to slide in the corresponding sliding groove 2 through the fixed plate 7. The two sliding plates 3, through the cooperation of the rollers 5 at the bottom and the slide rail 4, can make the sliding of the two sliding plates 3 more effortless. The two sliding plates 3 drive the two rectangular plates 19 to slide respectively. The two rectangular plates 19 drive the two support plates 8 to slide respectively. The two support plates 8 drive the dust collector 9 to slide, thereby achieving the effect of completely removing dust from the top of the kiln car body 1.

[0055] In this embodiment, the limiting component includes:

[0056] The power cavity 13 is located at the top of the sliding plate 3. The bottom of the rectangular plate 19 has two limiting grooves 20, and both limiting grooves 20 are connected to the power cavity 13. Sliding rods 14 are symmetrically slidably installed inside the power cavity 13. The upper end of the sliding rods 14 passes through one side of the power cavity 13 and the limiting grooves 20 and extends into the support plate 8. Both sliding rods 14 are inserted into the support plate 8.

[0057] A bidirectional threaded rod 15 is rotatably installed inside the power cavity 13, with one end of the bidirectional threaded rod 15 passing through the two sliding rods 14 and one side of the power cavity 13 and extending to the outside. A handle 16 is fixedly installed at one end of the bidirectional threaded rod 15. The bidirectional threaded rod 15 is rotatably connected to the sliding plate 3. The bidirectional threaded rod 15 is provided with threads with opposite directions at both ends, and the bidirectional threaded rod 15 is threadedly connected to the two sliding rods 14.

[0058] When the two rectangular plates 19 are respectively located in the two support plates 8, the two handles 16 are rotated and the two bidirectional threaded rods 15 are rotated respectively. Under the action of the threads, the bidirectional threaded rods 15 drive the two sliding rods 14 to slide in the power chamber 13 and the corresponding limiting groove 20 and move away from each other. When the two sliding rods 14 slide to the appropriate position, one end of the two sliding rods 14 will be inserted into the corresponding support plate 8, which can fix the position of the two support plates 8, and further fix the position of the dust collector 9 on the two support plates 8 above the kiln car body 1.

[0059] Example 2:

[0060] This embodiment provides a tunnel kiln car with a dust removal mechanism, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0061] In this embodiment, a threaded rod 21 is rotatably installed on one side of the kiln car body 1. One end of the threaded rod 21 passes through one side of the kiln car body 1 and extends into one of the sliding plates 3. The threaded rod 21 is threadedly connected to the sliding plate 3.

[0062] The threaded rod 21 ensures that the position of the sliding plate 3 is fixed when the whole device is not in use. After rotating the threaded rod 21, the threaded rod 21 will disengage from one of the sliding plates 3 under the action of the thread, and the sliding plate 3 can then slide in the sliding groove 2.

[0063] Example 3:

[0064] This embodiment provides a tunnel kiln car with a dust removal mechanism, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0065] In this embodiment, the roller 5 is movably connected to the sliding groove 2.

[0066] Specifically, it is ensured that the four rollers 5 can slide in the two sliding grooves 2 respectively.

[0067] Example 4:

[0068] This embodiment provides a tunnel kiln car with a dust removal mechanism, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0069] In this embodiment, the sliding rod 14 has an L-shaped structure and is slidably connected to the limiting groove 20.

[0070] Specifically, after the two sliding rods 14 are inserted into the support plate 8, the position of the two support plates 8 can be fixed, ensuring that the sliding rods 14 can slide within the limiting groove 20.

[0071] It is worth noting that the dust collector 9 involved in this utility model is a cartridge industrial dust collector manufactured by Changzhou Jiangneng Machinery Equipment Co., Ltd., and its supporting circuit and power supply can also be provided by the manufacturer. In addition, the dust collector 9 involved in this utility model is existing technology, which can be fully implemented by those skilled in the art, and there is no need to elaborate. The content protected by this utility model does not involve any improvement to the structure and working principle of the dust collector 9.

[0072] It is worth noting that before dust removal, the two sliding rods 14 are in the power chamber 13 and the limiting groove 20, and one end of the two sliding rods 14 can be inserted into the corresponding support plate 8.

[0073] Working principle: When dust removal is required on the kiln car body 1, firstly, place the two support plates 8 on top of the two rectangular plates 19 respectively. Then, slide the two support plates 8 downwards. After the two rectangular plates 19 are positioned within the two support plates 8, rotate the two handles 16 to rotate the two bidirectional threaded rods 15 respectively. Under the action of the threads, the bidirectional threaded rods 15 drive the two sliding rods 14 to slide and move away from each other within the power chamber 13 and the corresponding limiting groove 20. When the two sliding rods 14 slide to the appropriate position, one end of the two sliding rods 14 will insert into the corresponding support plate 8, which can fix the position of the two support plates 8. This further fixes the position of the dust collector 9 on the two support plates 8 above the kiln car body 1. Then, start the dust collector 9. The dust collector 9 will suck all the dust on the kiln car body 1 into the fixed pipe 17 through the trapezoidal suction port 18. Finally, the dust... Dust enters the dust collector 9 through the fixed pipe 17 for collection and treatment. Then, the threaded rod 21 is rotated, and under the action of the thread, the threaded rod 21 disengages from one of the sliding plates 3. Subsequently, the rocker arm 12 is rotated, which drives the gear 11 to rotate. The gear 11, through the rack 10 meshing with it, can drive the fixed block 6 to slide on the kiln car body 1. The fixed block 6 drives one of the sliding plates 3 to slide in the corresponding sliding groove 2. One of the sliding plates 3 drives the other sliding plate 3 to slide in the corresponding sliding groove 2 through the fixed plate 7. The two sliding plates 3, through the cooperation of the roller 5 at the bottom and the slide rail 4, can make the sliding of the two sliding plates 3 more effortless. The two sliding plates 3 drive the two rectangular plates 19 to slide respectively. The two rectangular plates 19 drive the two support plates 8 to slide respectively. The two support plates 8 drive the dust collector 9 to slide, thus achieving the effect of completely removing dust from the top of the kiln car body 1.

[0074] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A tunnel kiln car with a dust removal mechanism, characterized in that, include: The kiln car body (1) has symmetrical sliding grooves (2) on its top, and sliding plates (3) are slidably installed in the sliding grooves (2). A fixing plate (7) is fixedly installed between the two sliding plates (3) and above the kiln car body (1). A slide rail (4) is fixedly installed at the bottom of the sliding grooves (2), and rollers (5) that are slidably connected to the slide rail (4) are symmetrically fixedly installed at the bottom of the sliding plates (3). A drive assembly located on the kiln car body (1) and used to drive two rollers (5) at the bottom of one of the sliding plates (3) to roll on the corresponding slide rail (4); Two rectangular plates (19) are fixedly installed on the top of two sliding plates (3), and a support plate (8) is inserted and installed on each of the two rectangular plates (19). Two limiting components are respectively located in two sliding plates (3) and are used to fix two support plates (8) on the two sliding plates (3); The dust collector (9) is fixedly installed between two support plates (8) and above the fixed plate (7). A fixed pipe (17) is fixedly installed at the air inlet of the dust collector (9). A trapezoidal air inlet (18) is fixedly installed at the bottom of the fixed pipe (17), and the air inlet of the trapezoidal air inlet (18) is located above the kiln car body (1).

2. A tunnel kiln car with a dust removal mechanism according to claim 1, characterized in that, The driving component includes: A fixed block (6) is fixedly installed on one side of one of the sliding plates (3), and a gear (11) is rotatably installed inside the fixed block (6). A rocker arm (12) is fixedly installed on one side of the gear (11). One end of the rocker arm (12) passes through one side of the fixed block (6) and extends to the outside. The rocker arm (12) is rotatably connected to the fixed block (6). A rack (10) is fixedly installed on the top of the kiln car body (1) and at the bottom of the gear (11). The rack (10) meshes with the gear (11).

3. A tunnel kiln car with a dust removal mechanism according to claim 1, characterized in that, The limiting component includes: The power cavity (13) is located on the top of the sliding plate (3). The bottom of the rectangular plate (19) has two limiting grooves (20), and both limiting grooves (20) are connected to the power cavity (13). Sliding rods (14) are symmetrically slidably installed in the power cavity (13). The upper end of the sliding rods (14) passes through one side of the power cavity (13) and the limiting grooves (20) and extends into the support plate (8). Both sliding rods (14) are inserted into the support plate (8). A bidirectional threaded rod (15) is rotatably installed in the power cavity (13), and one end of the bidirectional threaded rod (15) passes through the two sliding rods (14) and one side of the power cavity (13) and extends to the outside. A handle (16) is fixedly installed on one end of the bidirectional threaded rod (15). The bidirectional threaded rod (15) is rotatably connected to the sliding plate (3). The bidirectional threaded rod (15) is provided with threads with opposite directions at both ends, and the bidirectional threaded rod (15) is threadedly connected to the two sliding rods (14).

4. A tunnel kiln car with a dust removal mechanism according to claim 1, characterized in that, A threaded rod (21) is rotatably mounted on one side of the kiln car body (1). One end of the threaded rod (21) passes through one side of the kiln car body (1) and extends into one of the sliding plates (3). The threaded rod (21) is threadedly connected to the sliding plate (3).

5. A tunnel kiln car with a dust removal mechanism according to claim 1, characterized in that, The roller (5) is movably connected to the sliding groove (2).

6. A tunnel kiln car with a dust removal mechanism according to claim 3, characterized in that, The sliding rod (14) has an L-shaped structure and is slidably connected to the limiting groove (20).

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