Sliding sealing door for realizing full sealing of negative-pressure dust removal equipment of car dumper

Abstract

The utility model relates to the technical field of sealing equipment, and aims to provide a sliding sealing door for totally sealing negative-pressure dust removal equipment of a car dumper, which comprises a sliding rail and a steel rail which are arranged on the upper side and the lower side of a doorway of a car inlet end and a car outlet end of a sealed chamber, and a movable door is arranged between the sliding rail and the steel rail. The middle of the inner side face of the movable door is connected with a support through a shifting fork assembly arranged on the movable door, the support is located above the sliding rail, the top of the shifting fork assembly is connected with an oil cylinder, and the tail end of the oil cylinder is installed on the sliding rail and the outer wall of the closed chamber through a base. According to the utility model, the shifting fork assembly is driven by the hydraulic cylinder and is matched with a dynamic matching structure of the pin shaft and the strip-shaped hole, so that the opening and closing actions of the movable door are ensured to be completely synchronous with the car leaning and pressing operations of the car dumper, and the system coordination is improved; and a three-dimensional constraint system is formed by combining limiting and guiding of the backstop and the connecting rod assembly, so that the door body is effectively prevented from derailing, and the fault occurrence rate is reduced.

Description

Technical Field

[0001] This utility model relates to the field of sealing equipment technology, and in particular to a sliding sealing door for achieving full enclosure of a tipper negative pressure dust removal device. Background Technology

[0002] In the transportation of bulk materials such as coal and ore, tippers are core unloading equipment that generates a large amount of dust during operation. Therefore, it is necessary to adsorb and remove dust in the tipper unloading area, which is why tipper negative pressure dust removal systems are used. Traditional dust removal systems consist of a sealed chamber and an air compressor dust collection system. The sealed chamber often uses a fixed sealing structure or a simple movable door, which has the following technical defects: 1) Poor coordination between the sealing door and the tipper's movement, resulting in serious dust overflow; 2) The door guide mechanism is prone to jamming, affecting the smoothness of opening and closing; 3) Lack of anti-derailment design, posing a safety hazard in long-term operation; 4) The door drive system has a complex structure and high maintenance costs.

[0003] While existing technologies employ hydraulically driven sliding door designs, they generally suffer from problems such as easy detachment of the shift fork assembly and insufficient track positioning accuracy, making it difficult to meet the requirements of continuous operation of tippers for rapid response and stable operation of the sealing system. Therefore, there is an urgent need for a sliding door structure that can achieve precise synchronous control, possesses multiple safety safeguards, and can adapt to harsh working conditions. Utility Model Content

[0004] The purpose of this utility model is to provide a sliding sealing door for achieving full enclosure of the negative pressure dust removal equipment of a tipper, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A sliding sealing door for achieving full enclosure of a tipper negative pressure dust removal device includes slide rails and steel rails fixedly installed on the upper and lower sides of the doorway at the entrance and exit ends of the sealed chamber. A movable door is provided between the slide rails and steel rails. The middle of the inner side of the movable door is connected to a support via a fork assembly. The support is located above the slide rails. The top of the fork assembly is connected to a hydraulic cylinder. The tail end of the hydraulic cylinder is installed on the slide rails and the outer wall of the sealed chamber via a base.

[0007] The slide rail is fixedly installed on the guide rail seat, and the guide rail seat is fixedly installed on the side wall of the sealed chamber.

[0008] Both ends of the slide rail are equipped with stops.

[0009] The steel rails are fixedly installed on the track pad, which is located below the ground directly opposite the entrance and exit doors of the sealed chamber.

[0010] The top of the sliding door is provided with several roller assemblies adapted to the slide rail, and the bottom of the sliding door is provided with several guide wheel assemblies adapted to the steel rail.

[0011] A connecting rod assembly is fixedly installed at the top of the side of the movable door away from the oil cylinder. The top of the connecting rod assembly 2 is slidably disposed in the guide groove, and the guide groove is fixedly installed on the outer wall of the sealed chamber.

[0012] The bottom end of the shift fork assembly has a strip-shaped hole along its length, and the inner side of the sliding door has a pin that matches the strip-shaped hole.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0014] This invention uses a hydraulic cylinder to drive the shift fork assembly, which, in conjunction with the dynamic cooperation structure of the pin shaft and the strip hole, ensures that the opening and closing of the moving door is completely synchronized with the tipper's approach and pressing operations, thus improving system coordination. At the same time, the dual-track guiding system of the roller assembly and slide rail, and the guide wheel assembly and steel rail, combined with the limiting guidance of the stop and connecting rod assembly, forms a three-dimensional constraint system, which effectively prevents the door from derailing and reduces the failure rate. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Attached figures and their names: 1. Sliding door; 2. Connecting rod assembly; 3. Roller assembly; 4. Fork assembly; 5. Support; 6. Hydraulic cylinder; 7. Ear seat; 8. Base; 9. Slide rail; 10. Guide rail seat; 11. Stop; 12. Track pad; 13. Guide wheel assembly; 14. Steel rail; 15. Hydraulic cylinder connecting seat. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0019] like Figure 1As shown, the present invention provides a sliding sealing door for achieving full enclosure of a negative pressure dust removal device for a tipper, comprising a slide rail 9 and a steel rail 14 fixedly installed on the upper and lower sides of the entrance and exit doors of the sealed chamber. The slide rail 9 is fixedly installed on a guide rail seat 10, which is fixedly installed on the side wall of the sealed chamber. The steel rail 14 is fixedly installed on a track pad 12, which is located below the ground directly opposite the entrance and exit doors of the sealed chamber.

[0020] A sliding door 1 is installed between the slide rail 9 and the steel rail 14. The top of the sliding door 1 has several roller assemblies 3 adapted to the slide rail 9, and the bottom of the sliding door 1 has several guide wheel assemblies 13 adapted to the steel rail 14. The sliding door 1 moves left and right on the slide rail 9 and the steel rail 14 via the roller assemblies 3 and guide wheel assemblies 13 respectively. A sealing strip is installed on the side of the sliding door 1 closest to the sealed chamber, and the sealing strip contacts the sealed chamber when the sliding door 1 is closed.

[0021] A pin is fixedly installed in the middle of the inner side of the sliding door 1. A fork assembly 4 is movably connected to the pin. The fork assembly 4 is a long rod structure. A strip hole is provided at the bottom end of the fork assembly 4 along the length direction of the fork assembly 4. The pin is located in the strip hole to prevent the fork assembly 4 from disengaging from the pin.

[0022] The top of the shift fork assembly 4 is connected to the support 5. The support 5 is fixedly installed on the outer wall of the sealed chamber above the slide rail 9. A hydraulic cylinder connecting seat 15 is provided on the top side wall of the shift fork assembly 4. The hydraulic cylinder connecting seat 15 is connected to the output end of the hydraulic cylinder 6. The bottom end of the hydraulic cylinder 6 is hinged to the ear seat 7. The ear seat 7 is fixedly installed on the base 8. The base 8 is fixedly installed on the slide rail 9 and the outer wall of the sealed chamber.

[0023] Both ends of the slide rail 9 are provided with stops 11, which are used to prevent the sliding door 1 from disengaging from the slide rail 9.

[0024] A connecting rod assembly 2 is fixedly installed on the top of the side of the sliding door 1 away from the oil cylinder 6. The top of the connecting rod assembly 2 is slidably disposed in the guide groove, which is fixedly installed on the outer wall of the sealed chamber. The connecting rod assembly 2 is used to guide the sliding door 1.

[0025] It should be noted that our sliding door 1, shift fork assembly 4, and hydraulic cylinder 6 all use imported hydraulic system components. The cylinders are from the German brand ROSITER, the valves are from the Italian brand Atos, the hoses are from the American brand Eaton, and the seals are from the American brand Parker, ensuring high reliability. Furthermore, the hydraulic stations for sliding door 1 and hydraulic cylinder 6 are shared with the tippler's hydraulic station. Our tippler's closed dust removal system is designed based on the intermittent working principle of the tippler rotor. The actions of the car pressing and the sliding door closing are completed simultaneously. The fan starts, establishing negative pressure, and then the tippler tilts, unloads, and disperses dust. The air compressor, gate valve, and screw conveyor then begin operation, completing dust collection. Dust removal and tippler tilting occur simultaneously, without affecting the tippler's operational efficiency.

Claims

1. A sliding closure door for achieving full closure of a negative pressure dust removal device of a dumper, characterized in that: The utility model provides a movable door of closed room, including fixed installation in the closed room car end and the car end door mouth upper and lower both sides slide rail (9) and steel rail (14), be provided with mobile door (1) between slide rail (9) and steel rail (14), the inside surface middle part of mobile door (1) is connected with support (5) through the yoke assembly (4) being set up on it, and support (5) is located above slide rail (9), the top of yoke assembly (4) is connected with oil cylinder (6), and the tail end of oil cylinder (6) is fixedly installed on slide rail (9) and the outer wall of closed room through base (8).

2. The sliding closure door for achieving the full closure of the negative pressure dust removal equipment of the dumper according to claim 1, characterized in that: The slide rail (9) is fixedly installed on the guide rail seat (10), and the guide rail seat (10) is fixedly installed on the side wall of the closed room.

3. The sliding closure door for achieving the full closure of the negative pressure dust removal equipment of the dumper according to claim 1, characterized in that, Both ends of the slide rail (9) are provided with stops (11).

4. The sliding closure door for achieving the full closure of the negative pressure dust removal equipment of the dumper according to claim 1, characterized in that, The steel rail (14) is fixedly installed on the rail backing plate (12), and the rail backing plate (12) is located below the ground opposite to the door mouth of the closed room car end and the car end.

5. The sliding door for realizing the full sealing of the negative pressure dust removal equipment of the dumper according to claim 1, characterized in that: The top end of the mobile door (1) is provided with a plurality of roller assemblies (3) matched with the slide rail (9), and the bottom end of the mobile door (1) is provided with a plurality of guide wheel assemblies (13) matched with the steel rail (14).

6. The sliding closure door for achieving the full closure of the negative pressure dust removal equipment of the dumper according to claim 1, characterized in that: The top end of the side of the mobile door (1) away from the oil cylinder (6) is fixedly provided with a connecting rod assembly (2), the top end of the connecting rod assembly (2) is slidingly arranged in a guide groove, and the guide groove is fixedly installed on the outer wall of the closed room.

7. The sliding door for achieving the full closure of the negative pressure dust removal equipment of the dumper according to claim 1, characterized in that: The bottom end of the yoke assembly (4) is provided with a strip hole along the length direction of the yoke assembly (4), and the inside surface middle part of the mobile door (1) is provided with a pin shaft matched with the strip hole.

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