Dustproof protection device for car dumper

Abstract

The utility model discloses a dust-proof protective device for a car dumper, which comprises a storage chamber, a dust-proof protective cover, a dust-proof protective cover, a dust-proof protective cover, a dust-proof protective cover, a dust-proof protective cover, a dust-proof protective cover, a dust-proof protective cover and a dust-proof protective cover, the dustproof cover assembly is arranged at the mounting opening in the storage chamber, and the dustproof cover assembly is configured to be capable of sealing the mounting opening so as to block communication between the containing cavity and the discharging bin; and the traction mechanism is connected with the dust cover assembly, and the traction mechanism is configured to pull the dust cover assembly to move so that the dust cover assembly can open or close the mounting opening. The dustproof protection device can protect the driving system of the car dumper, so that the driving system is prevented from being polluted by coal dust and the like in the discharging process, and meanwhile water mist in spraying is prevented from being attached to the driving system.

Description

Technical Field

[0001] The utility model relates to the technical field of dust prevention of car tippers, in particular to a dust isolation and protection device for car tippers. Background Art

[0002] A car tipper is a large piece of machinery used to flip open railway cars and unload bulk materials from them. This loading and unloading machine, which flips or tilts railcars for unloading, is suitable for industrial enterprises with large transport volumes, such as ports, metallurgy, coal mining, and thermal power plants.

[0003] Currently, bulk materials unloaded from open wagons are mostly dust-generating materials such as coal, slag, and earth. Usually, local dust removal is performed by spraying on both sides of the dumper.

[0004] The drive system of the car dumper is usually arranged on the second underground floor of the car dumper foundation pit, and there is a connection between the drive system and the underground silo. The following problems may occur during the car dumper operation:

[0005] 1. When the dumper is unloading, coal dust will contaminate the drive system. In addition, fine coal dust may enter the pin hole of the brake caliper in the brake, causing the brake to frequently stick, resulting in fault shutdown, and thus affecting the overall operating efficiency.

[0006] 2. The water mist during the spraying process will adhere to the drive system. In the cold winter, it will cause the brake to freeze and cause a malfunction and shutdown. Utility Model Content

[0007] The utility model provides a dust isolation and protection device for a car tipper, which is used to protect the driving system of the car tipper to prevent coal dust and the like from polluting the driving system during the unloading process, and to prevent water mist in the spraying from adhering to the driving system.

[0008] The utility model provides a dust isolation and protection device for a dumper, the dust isolation and protection device comprising:

[0009] A storage chamber, which is formed with a receiving cavity having a mounting opening, and the driving system of the tipper is arranged in the receiving cavity;

[0010] a dust cover assembly, disposed at the installation opening on the storage chamber, the dust cover assembly being configured to close the installation opening to block the communication between the accommodating cavity and the lower hopper; and

[0011] The traction mechanism is connected to the dust cover assembly, and the traction mechanism is configured to pull the dust cover assembly to move so that the dust cover assembly opens or closes the installation opening.

[0012] Specifically, the dust cover assembly includes a fixed cover fixedly mounted on the side wall of the storage chamber, and a door leaf connected to the traction mechanism;

[0013] The traction mechanism is suitable for pulling the door leaf to reciprocate between a closed position in which the door leaf cooperates with the fixed cover to close the installation opening, and an open position in which the door leaf is parallelly overlapped with the fixed cover inside and outside to open the installation opening.

[0014] Optionally, the traction mechanism includes a first traction rope, a chain, and a second traction rope that are sequentially connected to form a linkage structure;

[0015] The ends of the first traction rope and the second traction rope are respectively connected to opposite sides of the door leaf along the width direction; the chain is engaged with the sprocket for transmission.

[0016] Furthermore, a hand crank is fixedly provided on the sprocket.

[0017] Preferably, one end of the first traction rope is connected to one end of the chain, and the other end of the first traction rope extends upward and is wound around the first fixed pulley and then connected to one side of the door leaf;

[0018] One end of the second traction rope is connected to the other end of the chain, and the other end of the second traction rope extends upward and is wound around a second fixed pulley and then connected to the opposite other side of the door leaf.

[0019] Optionally, when the door leaf is in the closed position, the door leaf is facing the brake located in the accommodating cavity.

[0020] Optionally, the fixed cover is provided with an inspection door suitable for personnel to enter and exit.

[0021] Optionally, a guide rail is provided on the side wall of the storage chamber having the mounting opening, and the guide rail extends in a horizontal direction and is slidably engaged with the door leaf;

[0022] The door leaf is configured to be displaceable along the guide rail under the traction action of the traction mechanism.

[0023] Furthermore, limiting members are respectively provided at both ends of the guide rail. When the door leaf slides to an extreme position along the guide rail, the limiting members can limit the door leaf to limit the door leaf within a preset sliding range.

[0024] Optionally, the storage room is located in the foundation pit of the dumper and is poured with concrete.

[0025] Compared with the prior art, the advantages of the present invention are:

[0026] 1. In this embodiment, the storage chamber is provided with an installation opening so that the driving system of the tipping machine can be placed into the accommodating cavity through the installation opening.

[0027] Since the installation port of the accommodating chamber is connected to the discharge bin, in order to prevent dust and coal slag generated by the tipping machine during the unloading process from entering the accommodating chamber, a dust cover assembly is provided at the installation port in this embodiment. The dust cover assembly can be used to close the installation port to block the connection between the installation chamber and the discharge bin, preventing dust and the like from entering the accommodating chamber and contaminating the driving system in the accommodating chamber; at the same time, it plays a protective role for the driving system in the accommodating chamber, and can effectively avoid frequent brake jamming failures caused by coal dust and dry fog in winter.

[0028] In addition, when a drive system in the installation cavity fails, the traction mechanism can be used to pull the dustproof component to move, so as to open the installation port, thereby repairing and replacing the faulty device.

[0029] 2. In this embodiment, the inspection door and the door leaf are in a normally closed state. During routine equipment inspection, the staff can open the inspection door to enter the storage room. If it is found during inspection that a faulty device needs to be replaced, the inspection door is small and it is not convenient to move the faulty device. At this time, the door leaf can be opened to facilitate the transfer and replacement of the faulty device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The present invention will be described in more detail below based on embodiments with reference to the accompanying drawings.

[0031] Figure 1 This is a schematic diagram of the structure of a dust protection device for a dumper, wherein a drive system is provided in the storage room;

[0032] Figure 2 yes Figure 1 Schematic diagram of the structure of the dust protection device after removing the drive system, in the direction of arrow A.

[0033] Reference numerals:

[0034] 1. Storage room; 11. Storage cavity;

[0035] 21. Fixed cover; 211. Inspection door;

[0036] 22. Door leaf; 221. Frame; 222. Door panel; 223. Rivet;

[0037] 31. First traction rope; 32. Second traction rope; 33. Chain; 34. Sprocket; 35. Hand crank; 36. First fixed pulley; 37. Second fixed pulley;

[0038] 4. Guide rail; 41. Limiting piece; 42. Rolling steel column;

[0039] 5. Mounting bracket; 6. Expansion screws;

[0040] 7. Support frame; 71. Guide wheel;

[0041] 100. Drive system. DETAILED DESCRIPTION

[0042] The present invention will be further described below with reference to the accompanying drawings.

[0043] A Chinese patent discloses a car dumper for a car passing machine (authorization announcement number: CN203319304U), in which a braking device is arranged on a civil engineering foundation and is exposed to the outside and cannot block coal dust.

[0044] To this end, the present invention discloses a dust protection device for a car dumper, comprising a storage chamber 1, a dust cover assembly, and a traction mechanism. The dust protection device is disposed within the pit of the car dumper, with the storage chamber 1 and the dust cover assembly jointly protecting the drive system 100.

[0045] A receiving chamber 11 with a mounting opening is formed within the storage chamber 1, and the tipper's drive system 100 is disposed within the receiving chamber 11. A dust cover assembly is disposed at the mounting opening on the storage chamber 1 and is configured to seal the mounting opening, thereby blocking communication between the receiving chamber 11 and the lower hopper. A traction mechanism is connected to the dust cover assembly and is configured to pull the dust cover assembly to move, thereby opening or closing the mounting opening.

[0046] In this embodiment, the storage chamber 1 is provided with an installation opening, so that the driving system 100 of the tipping machine can be placed into the accommodating cavity 11 through the installation opening.

[0047] Since the installation port of the accommodating chamber 11 is connected to the discharge bin, in order to prevent dust and coal slag generated by the turning machine during the unloading process from entering the accommodating chamber 11, a dust cover assembly is provided at the installation port in this embodiment. The dust cover assembly can be used to close the installation port to block the connection between the installation chamber and the discharge bin, thereby preventing dust and the like from entering the accommodating chamber 11 and contaminating the driving system 100 in the accommodating chamber 11; at the same time, it plays a protective role for the driving system 100 in the accommodating chamber 11, and can effectively avoid frequent brake jamming failures caused by coal dust and dry fog in winter.

[0048] In addition, when the drive system 100 in the installation cavity fails, the traction mechanism can be used to pull the dustproof component to move, so as to open the installation port, thereby repairing and replacing the failed device.

[0049] Optionally, the drive system 100 includes a transmission mechanism, a connecting shaft, a coupling, a reducer, a brake, and a motor. The transmission mechanism is connected to the actuator through the top wall of the accommodating cavity 11, and the transmission mechanism can be a gear transmission.

[0050] It should be noted that the drive system is a prior art, and reference may be made to the Chinese patent: An improved tipper drive system (authorization announcement number: CN208454012U). This embodiment does not limit the specific structure of the drive system 100.

[0051] In the embodiment of the present invention, the dust cover assembly includes a fixed cover 21 and a door leaf 22 .

[0052] The fixed cover 21 is fixedly mounted on the side wall of the storage chamber 1. Preferably, the fixed cover 21 is provided with an inspection door 211 suitable for personnel to enter and exit.

[0053] The access door 211 is an outward opening door to avoid interference between the access door 211 and the inner door leaf 22 during opening. A hinge is installed on one side of the access door 211 and is rotatably mounted on the fixed cover 21 by the hinge.

[0054] Door handles are provided on the inside and outside of the inspection door 211 , and a latch is installed on the inside of the inspection door 211 for maintenance personnel in the storage room 1 to lock the closed inspection door 211 .

[0055] The area of ​​the inspection door 211 is smaller than the area of ​​the door leaf 22. The inspection door 211 is directly opposite to the transmission mechanism located in the accommodating chamber 11.

[0056] The door leaf 22 is movably arranged on the side wall of the storage chamber 1, and the door leaf 22 has a closed position and an open position:

[0057] ① When the door leaf 22 is in the closed position, the door leaf 22 can cooperate with the fixed cover 21 to close the installation opening, such as Figure 2 As shown, at this time, the door leaf 22 is facing the brake located in the accommodating cavity 11.

[0058] ② When the door leaf 22 is in the open position, the door leaf 22 and the fixed cover 21 are overlapped in parallel inside and outside to open the installation opening (not shown in the figure).

[0059] The door leaf 22 is connected to the traction mechanism, and the door leaf 22 can move back and forth between a closed position and an open position under the traction force of the traction mechanism.

[0060] In this embodiment, the inspection door 211 and the door leaf 22 are in a normally closed state. During routine equipment maintenance, the staff can open the inspection door 211 to enter the storage room 1; if it is found during maintenance that a faulty device needs to be replaced, since the inspection door 211 is small and it is not convenient to transfer the faulty device, the door leaf 22 can be opened to facilitate the transfer and replacement of the faulty equipment.

[0061] In this embodiment, the traction mechanism includes a first traction rope 31, a chain 33 and a second traction rope 32 which are connected in sequence to form a linkage structure; the ends of the first traction rope 31 and the second traction rope 32 are respectively connected to the opposite sides of the door leaf 22 along the width direction; the chain 33 is engaged with the sprocket 34 for transmission.

[0062] The first traction rope 31 and the second traction rope 32 may be steel ropes.

[0063] Preferably, a hand crank 35 is fixedly provided on the sprocket 34. Operating the hand crank 35 can drive the sprocket 34 to rotate in the forward or reverse direction.

[0064] Preferably, one end of the first traction rope 31 is connected to one end of the chain 33, and the other end of the first traction rope 31 extends upward and is wound around the first fixed pulley 36 and then connected to one side of the door leaf 22; one end of the second traction rope 32 is connected to the other end of the chain 33, and the other end of the second traction rope 32 extends upward and is wound around the second fixed pulley 37 and then connected to the opposite side of the door leaf 22.

[0065] The operation process of opening the door leaf 22: Figure 2 As shown, the door leaf 22 is in the closed position. At this time, the hand crank 35 is operated to rotate the sprocket 34 clockwise, and the sprocket 34 drives the chain 33 engaged therewith to move. The second traction rope 32 pulls the door leaf 22 along the Figure 2 Move in the direction of the middle arrow until it moves to the left to the open position;

[0066] The operation process of closing the door leaf 22: When the door leaf 22 is in the open position, the operating hand crank 35 rotates the sprocket 34 counterclockwise, and the sprocket 34 drives the chain 33 engaged with it to move. The first traction rope 31 pulls the door leaf 22 to the right to the closed position under the pull of the chain 33.

[0067] The traction mechanism can improve the convenience of the opening and closing operations of the door leaf 22.

[0068] In the embodiment of the present invention, a guide rail 4 is provided on the side wall of the storage chamber 1 having the mounting opening. The guide rail 4 extends in the horizontal direction and slides with the door leaf 22. The door leaf 22 is configured to be displaceable along the guide rail 4 under the traction action of the traction mechanism.

[0069] Limiting members 41 are respectively provided at both ends of the guide rail 4. When the door leaf 22 slides to the extreme position along the guide rail 4, the limiting members 41 can limit the door leaf 22 to limit the door leaf 22 within a preset sliding range. This can prevent the door leaf 22 from exceeding the sliding stroke when sliding along the guide rail 4 and detaching from the guide rail 4, thereby improving the reliability of installation and use.

[0070] The storage room 1 is located in the foundation pit of the dumper and is poured with concrete.

[0071] like Figure 1 As shown, a mounting bracket 5 is provided on the storage chamber 1. The mounting bracket 5 is an angle steel. The mounting bracket 5 is fixed to the storage chamber 1 by using expansion screws 6 and is provided near the top of the installation opening.

[0072] The left side and bottom of the fixed cover 21 are respectively sealed with the storage chamber 1, and the gaps are filled with sealant to seal. The upper edge of the fixed cover 21 is overlapped on the mounting frame 5 and fixed by welding.

[0073] The guide rail 4 is fixed to the mounting frame 5, and the upper edge of the door leaf 22 is bent and snapped onto the guide rail 4. A rolling steel column 42 is provided between the guide rail 4 and the door leaf 22 to reduce friction when the door leaf 22 slides along the guide rail 4. Multiple rolling steel columns 42 are arranged at intervals along the length of the guide rail 4.

[0074] In order to improve the stability of the door leaf 22 during the sliding process, a support frame 7 is fixedly provided on the inner wall of the door leaf 22, and guide wheels 71 are installed on both ends of the support frame 7 along the width direction of the door leaf 22. When the door leaf 22 moves along the guide rail 4, the guide wheels 71 abut against the outer wall surface of the storage chamber 1 and roll on the outer wall surface of the storage chamber 1.

[0075] The door leaf 22 includes a frame 221 and a door panel 222 fixedly mounted to the frame 221. The frame 221 and the door panel 222 are fixedly mounted via connectors such as rivets 223 or screws.

[0076] like Figure 2 As shown, the skeleton 221 includes transverse beams extending in the transverse direction and longitudinal beams extending in the longitudinal direction. The transverse beams are of the same length and are arranged at intervals in the longitudinal direction; the longitudinal beams are of the same length and are arranged at intervals in the transverse direction. The transverse beams and the longitudinal beams are welded and fixed.

[0077] While the present invention has been described with reference to preferred embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, the various technical features described in the various embodiments may be combined in any manner, provided no structural conflicts exist. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A dust protection device for a dumper, characterized in that: include: a storage chamber, which is formed with a receiving cavity having a mounting opening, wherein the receiving cavity is suitable for receiving the driving system of the tipping machine; a dust cover assembly, disposed at the mounting opening on the storage chamber, the dust cover assembly being configured to close the mounting opening to block the communication between the accommodating cavity and the lower hopper; as well as The traction mechanism is connected to the dust cover assembly, and the traction mechanism is configured to pull the dust cover assembly to move so that the dust cover assembly opens or closes the installation opening.

2. The dust protection device for a dumper according to claim 1, characterized in that: The dust cover assembly includes a fixed cover fixedly mounted on the side wall of the storage chamber, and a door leaf connected to the traction mechanism; The traction mechanism is suitable for pulling the door leaf to reciprocate between a closed position in which the door leaf cooperates with the fixed cover to close the installation opening, and an open position in which the door leaf is parallelly overlapped with the fixed cover inside and outside to open the installation opening.

3. The dust protection device for a dumper according to claim 2, characterized in that: The traction mechanism includes a first traction rope, a chain, and a second traction rope that are sequentially connected to form a linkage structure; The ends of the first traction rope and the second traction rope are respectively connected to opposite sides of the door leaf along the width direction; the chain is engaged with the sprocket for transmission.

4. The dust protection device for a dumper according to claim 3, characterized in that: A hand crank is fixedly arranged on the sprocket.

5. The dust protection device for a dumper according to claim 3, characterized in that: One end of the first traction rope is connected to one end of the chain, and the other end of the first traction rope extends upward and is wound around a first fixed pulley and then connected to one side of the door leaf; One end of the second traction rope is connected to the other end of the chain, and the other end of the second traction rope extends upward and is wound around a second fixed pulley and then connected to the opposite other side of the door leaf.

6. The dust protection device for a dumper according to any one of claims 2 to 5, characterized in that: When the door leaf is in the closed position, the door leaf faces the brake located in the accommodating cavity.

7. The dust protection device for a dumper according to any one of claims 2 to 5, characterized in that: The fixed cover is provided with an inspection door suitable for personnel to enter and exit.

8. The dust protection device for a dumper according to any one of claims 2 to 5, characterized in that: A guide rail is provided on the side wall of the storage chamber having the mounting opening, and the guide rail extends in a horizontal direction and is slidably engaged with the door leaf; The door leaf is configured to be displaceable along the guide rail under the traction action of the traction mechanism.

9. The dust protection device for a dumper according to claim 8, characterized in that: Limiting members are respectively provided at both ends of the guide rail. When the door leaf slides to an extreme position along the guide rail, the limiting members can limit the door leaf to limit the door leaf within a preset sliding range.

10. The dust protection device for a dumper according to claim 1, characterized in that: The storage room is located in the foundation pit of the dumper and is made of concrete.

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