A trolley for cleaning an OHT trolley track

Abstract

The application discloses a kind of trolley for OHT overhead travelling crane track cleaning, it is related to OHT overhead travelling crane technical field, including shell, overhead travelling crane track, the overhead travelling crane track is located the top of shell, the upper surface of shell is fixedly connected with mounting plate, the upper surface of mounting plate is fixedly installed with drive mechanism, the output end of drive mechanism is slidably connected with overhead travelling crane track, the upper surface of mounting plate is fixedly installed with cleaning mechanism, the cleaning mechanism includes dust suction nozzle, first cleaning mechanism, the dust suction nozzle is located the top of overhead travelling crane track, in the application, first cleaning mechanism can clean the dust on the upper surface of overhead travelling crane track, dust is sucked into dust collection device by dust suction nozzle and is collected;It improves the efficiency of overhead travelling crane track cleaning, avoids the security risk of personnel injury, and cleaning process does not need padlock to stop production equipment, can start cleaning trolley in production gap, improves production efficiency.

Description

Technical Field

[0001] This invention relates to the field of OHT crane technology, and more particularly to a trolley for cleaning OHT crane tracks. Background Technology

[0002] In semiconductor factories, the tracks of OHT cranes are prone to dust accumulation. Frequent acceleration and deceleration of the trolleys cause wear and tear on the wheels, generating dust that affects the normal operation of the cranes, the positioning accuracy of the trolleys, and causes environmental pollution. Therefore, it is necessary to clean the dust on the OHT crane tracks every once in a while.

[0003] The traditional solution involves periodically shutting down the equipment for maintenance and manually climbing ladders onto the OHT crane tracks to carefully clean them with hand-held cloths and vacuum cleaners. This manual dust removal is time-consuming, labor-intensive, and poses safety hazards. To address this, we have designed a small trolley for cleaning OHT crane tracks that automatically cleans the tracks periodically. This method is time-saving, convenient, safe, efficient, and worry-free, effectively maintaining the cleanliness of the crane tracks. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a trolley for cleaning OHT crane tracks.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An OHT (Overhead Crane) track cleaning trolley includes a housing and an overhead crane track. The overhead crane track is located directly above the housing. A mounting plate is fixedly connected to the upper surface of the housing. A drive mechanism is fixedly mounted on the upper surface of the mounting plate. The output end of the drive mechanism is slidably connected to the overhead crane track. A cleaning mechanism is fixedly mounted on the upper surface of the mounting plate. The cleaning mechanism includes a dust removal nozzle and a first cleaning mechanism. The dust removal nozzle is located directly above the overhead crane track. The first cleaning mechanism is in contact with the upper surface of the overhead crane track. A dust collection device is fixedly installed inside the housing. A dust extraction pipe is fixedly connected to the input end of the dust collection device. The other end of the dust extraction pipe is fixedly connected to the output end of the dust removal nozzle. A through hole is formed on the outer wall of the housing.

[0006] Preferably, there are two first cleaning mechanisms, which are located on both sides of the dust removal nozzle.

[0007] Preferably, the first cleaning mechanism includes a connecting plate, which is fixedly connected to the outer wall of the dust suction nozzle. A mounting shell is fixedly connected to the bottom of the connecting plate. A fixing cavity is formed on the lower surface of the mounting shell. A brush is fixedly connected to the mounting shell at the fixing cavity. The brush is in contact with the upper surface of the crane track.

[0008] Preferably, the crane track includes an outer track, and an inner track is fixedly connected to the inner side of the outer track.

[0009] Preferably, the dust removal nozzle includes an outer nozzle located directly above the outer track, and an inner nozzle is located directly above the inner track. A pipe interface is fixedly connected above the inner nozzle, and the inner nozzle, outer nozzle, and pipe interface are connected in series. The other end of the pipe interface is fixedly connected to the input end of the dust extraction pipe.

[0010] Preferably, the cleaning mechanism further includes an adjustment mechanism and a second cleaning mechanism, the second cleaning mechanism being fixedly installed at the output end of the adjustment mechanism and in contact with the upper surface of the inner track.

[0011] Preferably, the second cleaning mechanism has the same structure as the first cleaning mechanism.

[0012] Preferably, the movable adjustment mechanism includes a guide shaft, which is fixedly installed on the upper surface of the mounting plate. A positioning plate is slidably sleeved on the outer wall of the guide shaft. A rotating screw is rotatably connected to the outer wall of the positioning plate. A rotating shaft is fixedly connected to the bottom end of the rotating screw. The rotating shaft is slidably connected to the mounting plate. A mounting base is fixedly connected to the bottom end of the rotating shaft. The second cleaning mechanism is fixedly installed on the outer wall of the mounting base. A compression spring is sleeved on the outer wall of the rotating shaft. The compression spring is located below the mounting plate.

[0013] Preferably, a linear bearing is slidably sleeved on the outer wall of the rotating shaft, the linear bearing is fixedly sleeved with the mounting plate, and the compression spring is located below the linear bearing; The top of the guide shaft is threaded with a limiting screw.

[0014] Preferably, the lower surface of the positioning plate has an installation cavity, a return spring is placed inside the installation cavity, the positioning plate is fixedly connected to a fixing block inside the installation cavity, there are two return springs, the two return springs are respectively located on both sides of the fixing block, the outer wall of the rotating screw is fixedly connected to a return base, the upper surface of the return base extends into the installation cavity, one end of the two return springs is fixedly connected to both sides of the return base, and the other end of the two return springs is fixedly connected to both sides of the fixing block.

[0015] The beneficial effects of this invention are as follows: In this invention, a cleaning mechanism is installed on the mounting plate. When dust needs to be cleaned from the overhead crane track, the drive mechanism moves the cleaning mechanism, the mounting plate, and the outer casing along the direction of the overhead crane track. The mounting plate is equipped with a dust suction nozzle and a first cleaning mechanism. When the drive mechanism moves the cleaning mechanism on the overhead crane track, the first cleaning mechanism can clean the dust on the surface of the overhead crane track. At the same time, the dust collection device is activated, generating negative pressure, and the dust is sucked into the dust collection device through the dust suction nozzle for collection. This improves the efficiency of overhead crane track cleaning, avoids the safety hazard of personnel falling and injury, and the cleaning process does not require locking and stopping the production equipment. The cleaning trolley can be started during production breaks, which improves production efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a trolley for cleaning the OHT crane track according to the present invention.

[0017] Figure 2 This is a front view of an OHT crane track cleaning trolley according to the present invention.

[0018] Figure 3 This invention relates to a trolley for cleaning the tracks of an OHT crane. Figure 2 A schematic diagram of the local structure at point B.

[0019] Figure 4 This is a schematic diagram of the first cleaning mechanism of an OHT crane track cleaning trolley according to the present invention.

[0020] Figure 5 This is a side view of an OHT crane track cleaning trolley according to the present invention.

[0021] Figure 6 This invention relates to a trolley for cleaning the tracks of an OHT crane. Figure 5 Cross-sectional view of AA.

[0022] Figure 7 This is a schematic diagram of the overhead crane track of an OHT overhead crane track cleaning trolley according to the present invention.

[0023] Figure 8 This is a schematic diagram of the dust removal nozzle of an OHT crane track cleaning trolley according to the present invention.

[0024] Figure 9 This is a schematic diagram of the movable adjustment mechanism of an OHT crane track cleaning trolley according to the present invention.

[0025] The diagram labels are as follows: 1. Outer shell; 2. Crane track; 201. Outer track; 202. Inner track; 3. Mounting plate; 4. Drive mechanism; 5. Cleaning mechanism; 501. Dust removal nozzle; 5011. Outer nozzle; 5012. Inner nozzle; 5013. Pipe interface; 502. First cleaning mechanism; 5021. Connecting plate; 5022. Mounting shell; 5023. Fixed cavity; 5024. Brush; 503. Adjustable mechanism. 5031, Guide shaft; 5032, Positioning plate; 5033, Mounting cavity; 5034, Return spring; 5035, Fixing block; 5036, Rotating screw; 5037, Return base; 5038, Rotating shaft; 5039, Linear bearing; 50310, Mounting base; 50311, Compression spring; 50312, Limit screw; 504, Second cleaning mechanism; 6, Through hole; 7, Dust collection device; 8, Dust extraction pipeline. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0027] Example: As attached Figure 1 To be continued Figure 9 As shown: An OHT (Overhead Crane) track cleaning trolley includes a housing 1 and a crane track 2. The crane track 2 is located directly above the housing 1. A mounting plate 3 is fixedly connected to the upper surface of the housing 1. A drive mechanism 4 is fixedly installed on the upper surface of the mounting plate 3. The output end of the drive mechanism 4 is slidably connected to the crane track 2. A cleaning mechanism 5 is fixedly installed on the upper surface of the mounting plate 3. The cleaning mechanism 5 includes a dust suction nozzle 501 and a first cleaning mechanism 502. The dust suction nozzle 501 is located directly above the crane track 2. The first cleaning mechanism 502 is in contact with the upper surface of the crane track 2. A dust collection device 7 is fixedly installed inside the housing 1. A dust extraction pipe 8 is fixedly connected to the input end of the dust collection device 7. The other end of the dust extraction pipe 8 is fixedly connected to the output end of the dust suction nozzle 501. A through hole 6 is opened on the outer wall of the housing 1.

[0028] It is worth mentioning that the dust collection device 7 includes a housing, a negative pressure fan, and a dust collection bag. The dust collection bag and the negative pressure fan are both installed inside the housing. The dust collection bag is located at the input end of the negative pressure fan. When the negative pressure fan is started, the negative pressure fan generates negative pressure, and the dust is sucked into the dust collection bag through the dust removal nozzle 501 and the dust extraction pipe 8 for collection.

[0029] Among them, the drive mechanism 4 is a conventional drive mechanism on the existing OHT crane. When it is necessary to clean the dust on the crane track 2, the drive mechanism 4 drives the cleaning mechanism 5, the mounting plate 3 and the outer shell 1 to move along the direction of the crane track 2.

[0030] There are two first cleaning mechanisms 502, which are located on both sides of the dust suction nozzle 501.

[0031] The first cleaning mechanism 502 includes a connecting plate 5021, which is fixedly connected to the outer wall of the dust suction nozzle 501. A mounting shell 5022 is fixedly connected to the bottom of the connecting plate 5021. A fixing cavity 5023 is opened on the lower surface of the mounting shell 5022. A brush 5024 is fixedly connected to the mounting shell 5022 at the fixing cavity 5023. The brush 5024 is in contact with the upper surface of the crane track 2.

[0032] It's worth mentioning that the 5024 brush can also be replaced with a cleaning cloth.

[0033] The overhead crane track 2 includes an outer track 201, with an inner track 202 fixedly connected to the inner side of the outer track 201. The dust removal nozzle 501 includes an outer nozzle 5011, which is located directly above the outer track 201. An inner nozzle 5012 is located directly above the inner track 202. A pipe interface 5013 is fixedly connected above the inner nozzle 5012. The inner nozzle 5012, the outer nozzle 5011, and the pipe interface 5013 are connected. The other end of the pipe interface 5013 is fixedly connected to the input end of the dust extraction pipe 8.

[0034] In the above technical solution, when the driving mechanism 4 drives the cleaning mechanism 5 to move on the overhead crane track 2, the dust collection device 7 is activated at the same time. The dust collection device 7 generates negative pressure, and dust is sucked into the dust collection device 7 through the dust removal nozzle 501 for collection. The outer nozzle 5011 adsorbs the dust on the upper surface of the outer track 201, and the inner nozzle 5012 adsorbs the dust on the upper surface of the inner track 202.

[0035] The cleaning mechanism 5 also includes an adjustment mechanism 503 and a second cleaning mechanism 504. The second cleaning mechanism 504 is fixedly installed at the output end of the adjustment mechanism 503. The second cleaning mechanism 504 is in contact with the upper surface of the inner track 202. The second cleaning mechanism 504 has the same structure as the first cleaning mechanism 502.

[0036] The adjustment mechanism 503 includes a guide shaft 5031, which is fixedly installed on the upper surface of the mounting plate 3. A positioning plate 5032 is slidably sleeved on the outer wall of the guide shaft 5031. A rotating screw 5036 is rotatably connected to the outer wall of the positioning plate 5032. A rotating shaft 5038 is fixedly connected to the bottom end of the rotating screw 5036. The rotating shaft 5038 is slidably connected to the mounting plate 3. A mounting base 50310 is fixedly connected to the bottom end of the rotating shaft 5038. The second cleaning mechanism 504 is fixedly installed on the outer wall of the mounting base 50310. A compression spring 50311 is sleeved on the outer wall of the rotating shaft 5038. The compression spring 50311 is located below the mounting plate 3. A linear bearing 5039 is slidably sleeved on the outer wall of the rotating shaft 5038. The linear bearing 5039 is fixedly sleeved on the mounting plate 3. The compression spring 50311 is located below the linear bearing 5039. In the above technical solution, the drive mechanism 4 simultaneously drives the mounting plate 3, the movable adjustment mechanism 503, and the second cleaning mechanism 504 to move along the direction of the crane track 2. The second cleaning mechanism 504 can clean the dust on the upper surface of the inner track 202. The compression spring 50311 enables the second cleaning mechanism 504 to elastically press on the upper surface of the inner track 202, with radial pre-pressure to ensure the cleaning effect.

[0037] The top thread of the guide shaft 5031 is connected to a limit screw 50312.

[0038] In the above technical solution, when the positioning plate 5032 moves vertically, the limiting screw 50312 provides a limit for the positioning plate 5032. The lower surface of the positioning plate 5032 has an installation cavity 5033. A return spring 5034 is placed inside the installation cavity 5033. The positioning plate 5032 is located inside the installation cavity 5033 and a fixing block 5035 is fixedly connected to it. There are two return springs 5034, which are located on both sides of the fixing block 5035. A return base 5037 is fixedly connected to the outer wall of the rotating screw 5036. The upper surface of the return base 5037 extends into the installation cavity 5033. One end of the two return springs 5034 is fixedly connected to both sides of the return base 5037, and the other end of the two return springs 5034 is fixedly connected to both sides of the fixing block 5035.

[0039] In the above technical solution, when the second cleaning mechanism 504 encounters an obstacle on the upper surface of the inner cleaning track 202, the obstacle presses against the second cleaning mechanism 504. The second cleaning mechanism 504 drives the rotating shaft 5038 to rotate through the mounting base 50310. The rotating shaft 5038 drives the reset base 5037 to rotate through the rotating screw 5036, thereby causing the second cleaning mechanism 504 to avoid the obstacle. After avoiding the obstacle, the reset base 5037 is pushed to move by the reset spring 5034. The reset base 5037 drives the second cleaning mechanism 504 to rotate and reset through the rotating screw 5036, the rotating shaft 5038, and the mounting base 50310.

[0040] The specific usage and function of this embodiment are as follows: When using this invention, when it is necessary to clean the dust on the overhead crane track 2, the drive mechanism 4 drives the cleaning mechanism 5, the mounting plate 3 and the outer casing 1 to move along the direction of the overhead crane track 2; The mounting plate 3 is equipped with a dust removal nozzle 501 and a first cleaning mechanism 502. When the drive mechanism 4 drives the cleaning mechanism 5 to move on the crane track 2, the first cleaning mechanism 502 can clean the dust on the surface of the crane track 2. At the same time, the dust collection device 7 is activated, and the dust collection device 7 generates negative pressure. The dust is sucked into the dust collection device 7 through the dust removal nozzle 501 and collected. Please refer to the above structure and process. Figure 1-5 .

[0041] At the same time, the drive mechanism 4 drives the mounting plate 3, the movable adjustment mechanism 503, and the second cleaning mechanism 504 to move along the direction of the crane track 2. The second cleaning mechanism 504 can clean the dust on the upper surface of the inner track 202. The compression spring 50311 enables the second cleaning mechanism 504 to be elastically pressed on the upper surface of the inner track 202 with radial pre-pressure to ensure the cleaning effect. Please refer to the above structure and process. Figure 6-9 .

[0042] Simultaneously, when the second cleaning mechanism 504 encounters an obstacle on the upper surface of the inner cleaning track 202, the obstacle presses against the second cleaning mechanism 504. The second cleaning mechanism 504 drives the rotating shaft 5038 to rotate via the mounting base 50310. The rotating shaft 5038 drives the reset base 5037 to rotate via the rotating screw 5036, thereby causing the second cleaning mechanism 504 to avoid the obstacle. After avoiding the obstacle, the reset base 5037 is pushed to move by the reset spring 5034. The reset base 5037 drives the second cleaning mechanism 504 to rotate and reset via the rotating screw 5036, the rotating shaft 5038, and the mounting base 50310.

[0043] Please refer to the above structure and process. Figure 6-9 .

[0044] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A trolley for cleaning OHT crane tracks, comprising a shell (1) and crane tracks (2), characterized in that, The overhead crane track (2) is located directly above the outer shell (1). An installation plate (3) is fixedly connected to the upper surface of the outer shell (1). A drive mechanism (4) is fixedly installed on the upper surface of the installation plate (3). The output end of the drive mechanism (4) is slidably connected to the overhead crane track (2). A cleaning mechanism (5) is fixedly installed on the upper surface of the installation plate (3). The cleaning mechanism (5) includes a dust removal nozzle (501) and a first cleaning mechanism (502). The dust removal nozzle (501) is located directly above the overhead crane track (2). The first cleaning mechanism (502) is in contact with the upper surface of the overhead crane track (2). A dust collection device (7) is fixedly installed inside the outer shell (1). A dust extraction pipe (8) is fixedly connected to the input end of the dust collection device (7). The other end of the dust extraction pipe (8) is fixedly connected to the output end of the dust removal nozzle (501). A through hole (6) is opened on the outer wall of the outer shell (1). The overhead crane track (2) includes an outer track (201), and an inner track (202) is fixedly connected to the inner side of the outer track (201). The cleaning mechanism (5) also includes an adjustment mechanism (503) and a second cleaning mechanism (504). The second cleaning mechanism (504) is fixedly installed at the output end of the adjustment mechanism (503) and is in contact with the upper surface of the inner track (202). The movable adjustment mechanism (503) includes a guide shaft (5031), which is fixedly installed on the upper surface of the mounting plate (3). A positioning plate (5032) is slidably sleeved on the outer wall of the guide shaft (5031). A rotating screw (5036) is rotatably connected to the outer wall of the positioning plate (5032). A rotating shaft (5038) is fixedly connected to the bottom end of the rotating screw (5036). The rotating shaft (5038) is slidably connected to the mounting plate (3). A mounting base (50310) is fixedly connected to the bottom end of the rotating shaft (5038). The second cleaning mechanism (504) is fixedly installed on the outer wall of the mounting base (50310). A compression spring (50311) is sleeved on the outer wall of the rotating shaft (5038). The compression spring (50311) is located below the mounting plate (3). A linear bearing (5039) is slidably sleeved on the outer wall of the rotating shaft (5038), the linear bearing (5039) is fixedly sleeved with the mounting plate (3), and the compression spring (50311) is located below the linear bearing (5039); The top of the guide shaft (5031) is threaded with a limiting screw (50312). The lower surface of the positioning plate (5032) is provided with an installation cavity (5033). A reset spring (5034) is placed inside the installation cavity (5033). The positioning plate (5032) is fixedly connected to a fixing block (5035) inside the installation cavity (5033). There are two reset springs (5034), which are located on both sides of the fixing block (5035). A reset base (5037) is fixedly connected to the outer wall of the rotating screw (5036). The upper surface of the reset base (5037) extends into the installation cavity (5033). One end of each of the two reset springs (5034) is fixedly connected to both sides of the reset base (5037), and the other end of each of the two reset springs (5034) is fixedly connected to both sides of the fixing block (5035).

2. The OHT crane track cleaning trolley according to claim 1, characterized in that, There are two first cleaning mechanisms (502), and the two first cleaning mechanisms (502) are located on both sides of the dust suction nozzle (501).

3. The OHT crane track cleaning trolley according to claim 2, characterized in that, The first cleaning mechanism (502) includes a connecting plate (5021), which is fixedly connected to the outer wall of the dust suction nozzle (501). A mounting shell (5022) is fixedly connected to the bottom of the connecting plate (5021). A fixing cavity (5023) is opened on the lower surface of the mounting shell (5022). A brush (5024) is fixedly connected to the mounting shell (5022) at the fixing cavity (5023). The brush (5024) is in contact with the upper surface of the overhead crane track (2).

4. The OHT crane track cleaning trolley according to claim 1, characterized in that, The dust removal nozzle (501) includes an outer nozzle (5011), which is located directly above the outer track (201). An inner nozzle (5012) is provided directly above the inner track (202). A pipe interface (5013) is fixedly connected above the inner nozzle (5012). The inner nozzle (5012), the outer nozzle (5011), and the pipe interface (5013) are connected. The other end of the pipe interface (5013) is fixedly connected to the input end of the dust extraction pipe (8).

5. The OHT crane track cleaning trolley according to claim 1, characterized in that, The second cleaning mechanism (504) has the same structure as the first cleaning mechanism (502).

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