Sealed carriage and transport vehicle

Abstract

The embodiment of the application relates to the technical field of carriages, in particular to a sealed carriage and a transport vehicle, the sealed carriage comprising a carriage body, a carriage door and a sealing assembly, the carriage door being connected with the carriage body and used for closing the carriage body, the sealing assembly comprising a sealing sleeve and a linear drive unit, the linear drive unit being arranged on the carriage body, a power output end of the linear drive unit being connected with the sealing sleeve and used for driving the sealing sleeve to move to a first position and a second position, when located at the first position, the sealing sleeve blocks a gap between the carriage door and the carriage body, so that the carriage body is sealed, the full sealing of the sealed carriage is realized, the goods are prevented from being drenched, polluted or from the entry of external substances in the transportation process, the safety and transportation quality in the transportation process of the goods are improved, and the reliability of the sealing effect is ensured.

Description

Technical Field

[0001] This application relates to the field of vehicle compartment technology, and more particularly to a sealed vehicle compartment and a transport vehicle. Background Technology

[0002] Underground coal mine transportation operations face a variety of complex environmental conditions, among which the airtightness of the coal transport vehicle's compartment is crucial to ensuring operational safety and preventing the leakage of harmful gases and dust. The underground working environment is characterized by high humidity, complex gas composition, and a high risk of water accumulation or leaks. Especially during transportation, poor sealing of the compartment can lead not only to material leakage and contamination but also potential safety hazards. Therefore, ensuring good airtightness of the transport vehicle's compartment is of paramount importance for safe operations in coal mines.

[0003] Existing sealing devices for underground coal mine transport vehicles mostly use traditional sealing strips or rubber seals, but these designs suffer from inconsistent sealing performance. Utility Model Content

[0004] The present invention introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. This part of the present invention is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0005] This utility model aims to solve at least one of the technical problems existing in the prior art or related technologies.

[0006] Therefore, the first aspect of this utility model provides a sealed carriage.

[0007] The second aspect of this utility model provides a transport vehicle.

[0008] In view of this, a sealed carriage is provided according to a first aspect of the embodiments of this application, comprising: The compartment body and the compartment door are connected, and the compartment door is used to close the compartment body; A sealing assembly includes a sealing sleeve and a linear drive unit. The linear drive unit is disposed on the compartment body, and its power output end is connected to the sealing sleeve to drive the sealing sleeve to move to a first position and a second position. When in the first position, the sealing sleeve seals the gap between the compartment door and the compartment body; when in the second position, the sealing sleeve separates from the compartment door.

[0009] In one feasible implementation, the sealing sleeve includes: The first overlapping surface is used to overlap with the body, and the first overlapping surface is connected to the power output end of the linear drive unit. The second overlapping surface is used to overlap with the compartment door, and the second overlapping surface is connected with the first overlapping surface to form a continuous sealing surface.

[0010] In one feasible implementation, the sealing sleeve further includes: An elastic layer, at least a portion of which is disposed on the first overlapping surface and located on the side of the first overlapping surface near the compartment body, and at least another portion of which is disposed on the second overlapping surface and located on the side of the second overlapping surface near the compartment door.

[0011] In one feasible implementation, the sealing sleeve further includes: The side cover has one side connected to the end of the first overlapping surface and the other side connected to the end of the second overlapping surface.

[0012] In one feasible implementation, the linear drive unit includes: Telescopic component, wherein the telescopic component is disposed in the compartment; A connector is provided, which is connected to the telescopic end of the telescopic member and to the sealing sleeve.

[0013] In one feasible implementation, the body has an installation groove, and the telescopic component is placed in the installation groove.

[0014] In one feasible implementation, the compartment has two doors arranged opposite to each other, and the sealed compartment further includes: A sealing strip is connected to the compartment door and is disposed on opposite sides of the two compartment doors.

[0015] In one feasible implementation, the door is hinged to the body of the compartment, the door has a hinged side, an opposite side, a first side and a second side, the opposite side is opposite to the hinged side, the first side is opposite to the second side, and a handle is provided on the door, the handle is arranged on the opposite side of the door; The sealing assembly is provided in two sets, one set of the sealing assembly is arranged on the body at a position corresponding to the first side, and the other set of the sealing assembly is arranged on the body at a position corresponding to the second side.

[0016] A second aspect of the embodiments of this application provides a transport vehicle, comprising: A sealed carriage as described in any of the above technical solutions; A base, wherein the base is disposed at the bottom of the sealed compartment; Several wheels, each of which is connected to the base.

[0017] In one feasible implementation, it further includes: The mounting plate is fixedly connected to the base and detachably connected to the sealed compartment.

[0018] Compared with the prior art, the present invention has at least the following beneficial effects: The sealed compartment provided in this application includes a compartment body, a compartment door, and a sealing assembly. The compartment door is connected to the compartment body and is used to close the compartment body. The sealing assembly includes a sealing sleeve and a linear drive unit. The linear drive unit is disposed in the compartment body, and its power output end is connected to the sealing sleeve to drive the sealing sleeve to move to a first position and a second position. When it is in the first position, the sealing sleeve seals the gap between the compartment door and the compartment body to achieve a seal on the compartment body. This achieves a complete seal on the sealed compartment, preventing the goods from getting damp, contaminated, or having external substances enter during transportation, improving the safety and quality of goods transportation, and ensuring the reliability of the sealing effect.

[0019] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more obvious and understandable, specific embodiments of this utility model are given below. Attached Figure Description

[0020] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings: Figure 1 A schematic structural diagram of a sealed carriage according to one embodiment of this application; Figure 2 A cross-sectional view of a sealed carriage according to one embodiment of this application; Figure 3 A sealed carriage provided in one embodiment of this application Figure 2 A magnified view of a portion of point A in the middle.

[0021] in, Figure 1 and Figure 3 The correspondence between the reference numerals and component names in the attached drawings is as follows: 1. Base; 2. Body; 3. Hinges; 4. Door; 5. Sealing strip; 6. Handle; 7. Mounting groove; 8. Telescopic component; 9. Connecting component; 10. Sealing sleeve; 11. Mounting plate; 12. Bolt; 13. Wheel. Detailed Implementation

[0022] The following description provides numerous specific details to offer a more thorough understanding of the technical solutions provided by this invention. However, it will be apparent to those skilled in the art that the technical solutions provided by this invention can be implemented without one or more of these details.

[0023] 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 the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of the stated features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof.

[0024] Exemplary embodiments according to the present invention will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of the present invention is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art.

[0025] To better understand the above technical solutions, the technical solutions of the embodiments of this application will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of this application and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this application, rather than limitations on the technical solutions of this application. In the absence of conflict, the embodiments of this application and the technical features in the embodiments can be combined with each other.

[0026] like Figures 1 to 3As shown, a sealed carriage is provided according to a first aspect of the embodiments of this application, including a carriage body 2, a carriage door 4, and a sealing assembly. The carriage door 4 is connected to the carriage body 2 and is used to close the carriage body 2. The sealing assembly includes a sealing sleeve 10 and a linear drive unit. The linear drive unit is disposed in the carriage body 2, and its power output end is connected to the sealing sleeve 10 for driving the sealing sleeve 10 to move to a first position and a second position. When in the first position, the sealing sleeve 10 seals the gap between the carriage door 4 and the carriage body 2 to achieve sealing of the carriage body 2. When in the second position, the sealing sleeve 10 is separated from the carriage door 4, so that the carriage door 4 can be avoided when it is necessary to open the carriage door 4.

[0027] In this technical solution, the linear drive unit can employ an electric push rod, a hydraulic cylinder, or a rack and pinion mechanism. The electric push rod, driven by a motor, rotates a screw, causing the nut seat and sealing sleeve 10 to move linearly, with a stroke accuracy of ±0.5mm. For heavy-duty carriages requiring higher sealing pressure, a hydraulic cylinder drive can be used, with the system pressure adjustable within the range of 5-20MPa. Alternatively, a rack and pinion mechanism can be employed, where a servo motor drives a pinion that meshes with a rack fixed to the sealing sleeve 10 to achieve linear motion, with a response speed reaching 0.2m / s. When the carriage door 4 is closed, the control system automatically activates the drive unit, and the sealing sleeve 10 can complete its position switching within 2-3 seconds.

[0028] Understandably, compared to traditional static sealing gaskets, this dynamic sealing structure, where the sealing sleeve 10 only contacts the door 4 when needed, greatly reduces wear and extends service life by 3-5 times. By adjusting the stroke of the drive unit, deformation of the body 2 within ±2mm can be compensated, maintaining constant sealing pressure.

[0029] In this technical solution, the container body 2 and the door 4 can be made of stainless steel. By using stainless steel, the strength, corrosion resistance, and wear resistance of the container body 2 are guaranteed, which can effectively cope with various external forces and harsh environments during transportation, thereby extending the service life of the container body 2. By using stainless steel, the strength, corrosion resistance, and wear resistance of the door 4 are improved, ensuring that the door 4 can still maintain good performance during frequent opening and closing and long-term use, preventing the sealing effect from being affected by corrosion or wear.

[0030] like Figures 1 to 3 As shown, in one feasible embodiment, the sealing sleeve 10 includes a first overlapping surface and a second overlapping surface. The first overlapping surface is used to overlap with the body 2 and is connected to the power output end of the linear drive unit. The second overlapping surface is used to overlap with the door 4 and is connected to the first overlapping surface to form a continuous sealing surface.

[0031] In this technical solution, the sealing sleeve 10 can adopt an L-shaped cross-section design, with the width of both the first and second overlapping surfaces being 50mm–80mm, forming a 90° angle, and integrally bent from polyurethane material. To enhance the reliability of the connection, a stepped overlapping structure can also be adopted, with a 5mm deep guide groove on the first overlapping surface and a corresponding flange machined on the second overlapping surface, forming an interlock during assembly. For applications requiring higher sealing performance, the two overlapping surfaces can be designed as a rounded transition with a radius of curvature of 10mm, ensuring a perfect fit between the sealing surface and the body 2 and door 4, avoiding stress concentration points.

[0032] Understandably, the continuous sealing surface design effectively blocks the intrusion path of moisture and dust. The L-shaped structure is simple to manufacture, low in cost, and suitable for most general-purpose transport vehicles. The arc transition design can evenly distribute contact stress, reducing local wear of the sealing sleeve 10 by more than 50%.

[0033] In one feasible embodiment, the sealing sleeve 10 further includes an elastic layer. At least a portion of the elastic layer is disposed on the first overlapping surface and located on the side of the first overlapping surface closer to the compartment 2, and at least another portion is disposed on the second overlapping surface and located on the side of the second overlapping surface closer to the compartment door 4. The elastic layer can be made of polyurethane, and the elastic layer can be integrally molded with the first and second overlapping surfaces. By using polyurethane, the elasticity, wear resistance, and corrosion resistance of the sealing sleeve 10 are improved, enabling it to withstand greater pressure and long-term friction, ensuring that the sealing sleeve 10 maintains its efficient sealing performance in various environments, thereby improving the service life and sealing performance of the sealed compartment.

[0034] In this technical solution, the elastic layer can be implemented by using a combination of polyurethanes with different hardnesses. For example, the first overlapping surface that contacts the body 2 can use polyurethane with a Shore hardness of 70A to provide sufficient support, while the second overlapping surface that contacts the door 4 can use polyurethane with a Shore hardness of 50A to enhance fit. This allows the sealing sleeve 10 to be firmly installed on the body 2 and to flexibly adapt to the minor unevenness of the door 4, thereby improving the dynamic sealing effect.

[0035] like Figure 1 As shown, in one possible embodiment, the sealing sleeve 10 further includes a side cover, one side of which is connected to the end of the first overlapping surface and the other side is connected to the end of the second overlapping surface.

[0036] In this technical solution, the side cover can be designed as a planar structure perpendicular to the first and second overlapping surfaces, forming a complete U-shaped sealing section, which effectively blocks dust and rainwater from entering from the side of the door 4.

[0037] Understandably, the side seal can solve the problem of weak sealing at the corners of traditional seals. The vertical plane structure is simple and reliable, effectively improving lateral sealing protection capabilities, and is suitable for cargo transportation in downhole operations.

[0038] like Figure 2 and Figure 3 As shown, in one feasible embodiment, the linear drive unit includes a telescopic member 8 and a connecting member 9. The telescopic member 8 is disposed on the body 2, and the connecting member 9 is connected to the telescopic end of the telescopic member 8 and to the sealing sleeve 10.

[0039] In this technical solution, the telescopic component 8 can be a cylinder. The connecting component 9 can be a connecting plate. After the door 4 and the body 2 are closed, the control and start cylinder causes the cylinder to move the connecting plate. The connecting plate then moves the sealing sleeve 10 to the outside of the door 4, thereby enabling the transport vehicle to fully seal the door 4 and improving the safety of cargo transportation.

[0040] like Figure 2 and Figure 3 As shown, in one feasible embodiment, the body 2 has an installation groove 7, and the telescopic component 8 is placed in the installation groove 7.

[0041] In this technical solution, the mounting groove 7 can be a receiving groove directly opened on the stainless steel plate of the body 2. The telescopic end of the cylinder can extend out from the receiving groove, and the connecting plate is connected to the telescopic end. When the telescopic end is retracted into the receiving groove, the connecting plate can close the receiving groove.

[0042] like Figure 1 As shown, in one feasible embodiment, two doors 4 are provided, arranged opposite to each other. The sealed compartment also includes a sealing strip 5, which is connected to the doors 4 and located on opposite sides of the two doors 4. The sealing strip 5 can be made of rubber. By using rubber, the waterproof sealing effect of the sealing strip 5 is ensured, thereby improving the service life and sealing performance of the waterproof sealed compartment, effectively preventing the penetration of external moisture, and ensuring the safety of the goods.

[0043] In this technical solution, the sealing strip 5 can be made of hollow tubular EPDM rubber with an outer diameter of 20mm and a wall thickness of 3mm, and is fixed to the edge of a door 4 via a slot. When both doors 4 are closed, the sealing strip 5 is compressed to approximately 60% of its original thickness, forming a reliable line seal.

[0044] Understandably, the seal between the two doors 4 is a crucial component of the entire compartment sealing system. The hollow tubular sealing strip 5 utilizes the elasticity of rubber to compensate for the ±3mm alignment error that occurs when the two doors 4 are closed, resulting in high sealing consistency.

[0045] like Figure 1As shown, in one feasible embodiment, the door 4 is hinged to the body 2 via a hinge 3. The door 4 has a hinged side, an opposite side, a first side, and a second side. The opposite side is opposite to the hinged side, and the first side is opposite to the second side. Two sets of sealing components are provided. One set of sealing components is arranged on the body 2 at a position corresponding to the first side, and the other set of sealing components is arranged on the body 2 at a position corresponding to the second side. A handle 6 is provided on the door 4, located on the opposite side of the door 4. The handle 6 is a handle. By pushing the handle, the door 4 rotates along the hinge 3, causing the door 4 to move the sealing strip 5 to close with the body 2.

[0046] In this technical solution, the two sets of sealing components can be synchronously driven by the same controller, ensuring that the sealing sleeves 10 on both sides operate simultaneously. The dual-sided synchronous sealing and user-friendly operation design together enhance the practicality and reliability of the carriage. Synchronous drive ensures that the door 4 experiences balanced force during sealing and obstacle avoidance, improving the smoothness of opening and closing and preventing deformation of the door 4 caused by unilateral force.

[0047] When sealing the transport vehicle compartment is required, first push the handle to rotate the compartment door 4 along the hinge 3. During the rotation of the compartment door 4, the sealing strip 5 moves until the sealing strips 5 of the two compartment doors 4 abut together, so that the contact area between the two compartment doors 4 forms an effective sealing contact. Then, control the cylinder to start, so that the cylinder drives the connecting plate to move. The connecting plate drives the sealing sleeve 10 to move. The sealing sleeve 10 moves to the outside of the compartment door 4, ensuring that the gap between the compartment door 4 and the compartment body 2 is sealed. This achieves a full seal of the transport vehicle compartment, preventing the goods from getting damp, contaminated, or the entry of external substances during transportation, improving the safety and quality of goods transportation, and ensuring the reliability of the sealing effect.

[0048] like Figure 1 As shown, a transport vehicle is proposed according to a second aspect of the embodiments of this application, including a sealed compartment, a base 1 and wheels 13 as described in any of the above technical solutions, the base 1 being disposed at the bottom of the sealed compartment, and four wheels 13 being connected to the base 1.

[0049] The transport vehicle provided in this application embodiment includes a sealed compartment as described in the above technical solution, and therefore possesses all the beneficial effects of the sealed compartment described in the above technical solution.

[0050] In this technical solution, the base 1 can be a frame structure welded from high-strength steel and connected to the mounting beam of the sealed carriage by bolts 12, facilitating disassembly and maintenance. Standard heavy-duty tires can be selected for the wheels 13 to ensure driving safety.

[0051] like Figure 1As shown, in one feasible embodiment, the transport vehicle further includes a mounting plate 11, which is fixedly connected to the base 1 and connected to the sealed compartment by bolts 12.

[0052] In this technical solution, the mounting plate 11 can be a single piece of steel plate with a thickness of 10mm, on which through holes corresponding to the bolt holes of the carriage mounting beam are opened to achieve a rigid connection.

[0053] In this utility model, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "join," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "join" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0054] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., 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 utility model and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0055] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0056] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A sealed carriage, characterized in that, include: The compartment body and the compartment door are connected, and the compartment door is used to close the compartment body; A sealing assembly includes a sealing sleeve and a linear drive unit. The linear drive unit is disposed on the compartment body, and its power output end is connected to the sealing sleeve to drive the sealing sleeve to move to a first position and a second position. When in the first position, the sealing sleeve seals the gap between the compartment door and the compartment body; when in the second position, the sealing sleeve separates from the compartment door.

2. The sealed carriage according to claim 1, characterized in that, The sealing sleeve includes: The first overlapping surface is used to overlap with the body, and the first overlapping surface is connected to the power output end of the linear drive unit. The second overlapping surface is used to overlap with the compartment door, and the second overlapping surface is connected with the first overlapping surface to form a continuous sealing surface.

3. The sealed carriage according to claim 2, characterized in that, The sealing sleeve also includes: An elastic layer, at least a portion of which is disposed on the first overlapping surface and located on the side of the first overlapping surface near the compartment body, and at least another portion of which is disposed on the second overlapping surface and located on the side of the second overlapping surface near the compartment door.

4. The sealed carriage according to claim 2, characterized in that, The sealing sleeve also includes: The side cover has one side connected to the end of the first overlapping surface and the other side connected to the end of the second overlapping surface.

5. The sealed carriage according to claim 1, characterized in that, The linear drive unit includes: Telescopic component, wherein the telescopic component is disposed in the compartment; A connector is provided, which is connected to the telescopic end of the telescopic member and to the sealing sleeve.

6. The sealed carriage according to claim 5, characterized in that, The body has an installation slot, and the telescopic component is placed in the installation slot.

7. The sealed carriage according to claim 1, characterized in that, The sealed compartment has two doors, which are arranged opposite to each other. The sealed compartment also includes: A sealing strip is connected to the compartment door and is disposed on opposite sides of the two compartment doors.

8. The sealed carriage according to claim 1, characterized in that, The door is hinged to the body of the compartment. The door has a hinged side, an opposite side, a first side, and a second side. The opposite side is opposite to the hinged side, and the first side is opposite to the second side. A handle is provided on the door, and the handle is arranged on the opposite side of the door. The sealing assembly is provided in two sets, one set of the sealing assembly is arranged on the body at a position corresponding to the first side, and the other set of the sealing assembly is arranged on the body at a position corresponding to the second side.

9. A transport vehicle, characterized in that, include: The sealed carriage as described in any one of claims 1 to 8; A base, wherein the base is disposed at the bottom of the sealed compartment; Several wheels, each of which is connected to the base.

10. The transport vehicle according to claim 9, characterized in that, Also includes: The mounting plate is fixedly connected to the base and detachably connected to the sealed compartment.

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