Dust removal equipment and aircraft horizontal stabilizer shaft machining equipment

Abstract

This utility model discloses a dust removal device and an aircraft horizontal stabilizer shaft processing equipment, relating to the technical field of abrasive blasting equipment. The aircraft horizontal stabilizer shaft processing equipment includes a sandblasting device and an abrasive circulation device connected to the sandblasting device. The dust removal device includes a rain shelter, a dust removal mechanism, and a trolley. The dust removal mechanism is located inside the rain shelter and connected to the abrasive circulation device via a dust removal pipe. A fan is installed on the dust removal box to generate negative pressure, drawing dust generated by the sandblasting device into the dust removal chamber through the abrasive circulation device and the dust removal pipe. A dust collection port is located at the bottom of the dust removal box, and the trolley has a receiving slot. The trolley and dust removal box are separable and have a first state and a second state. In the first state, the trolley is placed on the dust removal box so that the opening of the receiving slot is connected to the dust collection port; in the second state, the trolley is separated from the dust removal box. The dust removal device proposed in this utility model can quickly collect and process dust using the trolley.

Description

Technical Field

[0001] This utility model relates to the field of abrasive blasting equipment technology, and in particular to a dust removal device and an aircraft horizontal stabilizer shaft processing equipment. Background Technology

[0002] Existing equipment used for machining aircraft horizontal stabilizer shafts generates significant amounts of dust during the process, posing a major environmental problem. Excessive dust accumulation not only affects operator health but can also lead to equipment malfunctions and shorten equipment lifespan. Therefore, effectively reducing dust levels and improving dust control efficiency has become a key technical requirement for the improvement and optimization of current aircraft horizontal stabilizer shaft machining equipment. Utility Model Content

[0003] The main purpose of this utility model is to propose a dust removal device and an aircraft horizontal stabilizer shaft processing equipment, which aims to improve the dust removal efficiency of the equipment for processing aircraft horizontal stabilizer shafts.

[0004] To achieve the above objectives, the dust removal device proposed in this utility model is applied to aircraft horizontal stabilizer shaft processing equipment. This equipment includes a sandblasting device and a sand circulation device connected to the sandblasting device. The sandblasting device is used to process the aircraft horizontal stabilizer shaft. The dust removal device includes: A rain shelter with an access passage; A dust removal mechanism is located inside the rain shelter. The dust removal mechanism includes a dust removal box and filter bags. The dust removal box has a dust removal chamber, and the filter bags are placed inside the dust removal chamber. The dust removal box is connected to the sand circulation device through a dust removal pipe. A fan is installed on the dust removal box. The fan is used to create a negative pressure inside the dust removal chamber and the dust removal pipe during operation, so as to draw the dust generated by the sandblasting device on the horizontal tail shaft of the aircraft into the dust removal chamber. A dust collection port connected to the dust removal chamber is provided at the bottom of the dust removal box. A trolley has a receiving slot. The trolley and the dust collection box are detachably disposed and have a first state and a second state. In the first state, the trolley is disposed on the dust collection box so that the opening of the receiving slot is connected to the dust collection port. In the second state, the trolley is separated from the dust collection box, and the access channel is used for the trolley to enter and exit the rain shelter.

[0005] In one embodiment, the dust removal chamber extends along the height direction, the dust removal pipe is connected to the lower end of the dust removal chamber, the fan is located at the upper end of the dust removal box and is connected to the dust removal chamber, and the fan is used to make the airflow flow upward in the dust removal chamber and discharge through the filter bag to the outside of the dust removal box.

[0006] In one embodiment, the dust collection box is provided with a funnel at the bottom, the dust collection pipe is connected to the side wall of the funnel, the dust collection port is located at the lower end of the funnel, and the trolley is detachably connected to the funnel by a latch.

[0007] In one embodiment, the dust removal mechanism further includes a reverse air blowing assembly disposed above the filter bag, the reverse air blowing assembly being used to blow air downwards to remove dust adhering to the filter bag.

[0008] In one embodiment, the number of filter bags is set to a plurality, and the plurality of filter bags are arranged in the dust removal chamber along the height direction.

[0009] In one embodiment, the back-blowing assembly includes an air reservoir and a plurality of jet pipes communicating with the air reservoir. Each jet pipe is provided with a plurality of nozzles spaced apart, and each nozzle faces downward and is disposed corresponding to a filter bag.

[0010] In one embodiment, the back-blowing assembly further includes a pulse solenoid valve disposed on the jet pipe for controlling the air bag to release high-pressure gas to remove dust from the filter bag.

[0011] In one embodiment, the dust removal device further includes a maintenance platform; the maintenance platform is disposed on the dust removal box, and the fan is disposed on the maintenance platform; And / or, the rain shelter is provided with double doors at the entrance / exit passage for the trolley to enter and exit; And / or, the rain shelter is provided with a side door corresponding to the maintenance platform.

[0012] In one embodiment, the dust removal device further includes an exhaust pipe, one end of which is connected to the fan, and the other end of which extends upward through the rain shelter.

[0013] This utility model also proposes a processing equipment for aircraft horizontal stabilizer shafts, including a sandblasting device, a sand circulation device, and a dust removal device as described in any of the foregoing embodiments, wherein the sandblasting device is connected to the dust removal device via the sand circulation device. The technical solution of this utility model improves the efficiency of dust removal during the processing of aircraft horizontal stabilizer shafts by employing a dust removal device with a trolley. Specifically, the dust removal device is applied to aircraft horizontal stabilizer shaft processing equipment, which includes a sandblasting device and a sand circulation device connected to the sandblasting device. The sandblasting device is used to process the aircraft horizontal stabilizer shaft. The dust removal device includes a rain shelter, a dust removal mechanism, and a trolley. The rain shelter has an inlet and outlet passage. The dust removal mechanism includes a dust removal box and filter bags located inside the rain shelter. The dust removal box has a dust removal chamber, and the filter bags are located inside the dust removal chamber. The dust removal box is connected to the sand circulation device through a dust removal pipe. A fan is installed on the dust removal box. The fan is used to generate negative pressure in the dust removal chamber and dust removal pipe to draw the dust generated by the sandblasting device on the aircraft horizontal stabilizer shaft into the dust removal chamber through the sand circulation device and the dust removal pipe.

[0014] The dust collection box has a dust collection port at the bottom, and the trolley has a receiving slot. The trolley and the dust collection box can be detached and have a first state and a second state. In the first state, the trolley is placed on the dust collection box so that the opening of the receiving slot is connected to the dust collection port; in the second state, the trolley is separated from the dust collection box, and the access channel is used for the trolley to enter and exit the rain shelter. The dust collection device proposed in this utility model can quickly collect and process dust through the trolley. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1 A schematic diagram of an embodiment of the aircraft horizontal stabilizer shaft processing equipment provided by this utility model; Figure 2 A schematic diagram of the structure of an embodiment of the dust removal device provided by this utility model; Figure 3 A schematic diagram of the dust removal mechanism in one embodiment of the dust removal device provided by this utility model; Figure 4 for Figure 3 A schematic diagram of the disassembled structure of the dust removal mechanism; Figure 5 A side view of an embodiment of the dust removal device provided by this utility model; Figure 6 for Figure 5 A magnified view of the location indicated by arrow A in the middle.

[0017] Explanation of icon numbers: 100. Aircraft horizontal stabilizer shaft processing equipment; 1. Sandblasting device; 2. Sand circulation device; 3. Dust removal device; 31. Rain shelter; 311. Double door; 312. Side door; 32. Dust removal mechanism; 321. Dust collection box; 321a. Dust collection chamber; 322. Filter bag; 323. Fan; 324. Funnel; 324a. Dust collection port; 325. Dust removal pipeline; 33. Trolley; 331. Lock; 34. Back-blowing assembly; 341. Air tank; 342. Jet pipe; 343. Pulse solenoid valve; 35. Maintenance platform; 36. Exhaust pipe.

[0018] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0020] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0021] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text implies three parallel solutions. For example, "A and / or B" includes solution A or solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0022] This utility model proposes a dust removal device 3.

[0023] Please see Figures 1 to 4In one embodiment of this utility model, the dust removal device 3 is applied to an aircraft horizontal stabilizer shaft processing equipment 100. The aircraft horizontal stabilizer shaft processing equipment 100 includes a sandblasting device 1 and a sand circulation device 2 connected to the sandblasting device 1. The sandblasting device 1 is used to process the aircraft horizontal stabilizer shaft. The dust removal device 3 includes a rain shelter 31, a dust removal mechanism 32, and a trolley 33. The rain shelter 31 has an inlet / outlet passage. The dust removal mechanism 32 includes a dust collection box 321 and filter bags 322 disposed within the rain shelter 31. The device is equipped with a dust removal chamber, in which filter bags 322 are placed. The dust removal box 321 is connected to the sand circulation device 2 through a dust removal pipe 325. The sand circulation device 2 is connected to the sandblasting device 1 through a pipe. A fan 323 is installed on the dust removal box 321. The fan 323 is used to generate negative pressure in the dust removal chamber, the dust removal pipe 325, the sand circulation device 2, and the sandblasting device 1, so as to draw the dust generated by the sandblasting device 1 on the aircraft horizontal stabilizer shaft into the dust removal chamber through the sand circulation device 2 and the dust removal pipe 325.

[0024] The dust collection box 321 has a dust collection port 324a at its bottom, and the trolley 33 has a receiving groove. The trolley 33 and the dust collection box 321 can be detachably installed and have a first state and a second state. In the first state, the trolley 33 is installed on the dust collection box 321 so that the opening of the receiving groove is connected to the dust collection port 324a. In the second state, the trolley 33 is separated from the dust collection box 321, and the access channel is used for the trolley 33 to enter and exit the rain shelter 31. The dust collection device 3 proposed in this utility model can quickly collect and process dust through the trolley 33. It should be noted that the trolley 33 and the dust collection box 321 can be configured with plug-in type, snap-on type, bolt and nut type, sliding groove type, etc. connection structure, so as to realize the quick installation and separation of the trolley 33 and the dust collection box 321. No specific limitation is made here.

[0025] like Figure 3 and Figure 4 As shown, in one embodiment of this utility model, the dust collection chamber of the dust collection box 321 extends along the height direction. The end of the dust collection pipe 325 away from the sand circulation device 2 is connected to the lower end of the dust collection chamber. The fan 323 is located above the dust collection box 321 and is connected to the dust collection chamber. When the fan 323 is working, it draws air outward, so that the airflow in the dust collection pipe 325 flows upward from the bottom of the dust collection chamber, and drives the dust upward. The filter bag 322 filters the upward flowing dust, and the purified air is drawn out of the dust collection chamber by the fan 323 for discharge. It can be understood that some dust enters the dust collection chamber from the dust collection pipe 325 and enters the receiving slot of the trolley 33 from the dust collection port 324a. When the receiving slot is full, the trolley 33 can be separated from the dust collection box 321 and pushed out of the rain shelter 31 along the inlet and outlet channel.

[0026] like Figure 3 and Figure 4As shown, in one embodiment of this utility model, a funnel 324 is installed at the bottom of the dust collection box 321. Specifically, the upper end of the funnel 324 is connected to the dust collection box 321, and the lower end of the funnel 324 forms a dust collection port 324a. The dust collection pipe 325 is connected to the side wall of the funnel 324. After entering the dust collection chamber from the dust collection pipe 325, some dust is collected in the receiving slot of the trolley 33 through the funnel 324, and some dust floats upward and is filtered by the filter bag 322. Further, as... Figure 5 and Figure 6 As shown, a latch 331 is provided on the outer wall of the trolley 33, and the trolley 33 is detachably connected to the funnel 324 via the latch 331. It is understood that the latch 331 enables quick installation and separation of the trolley 33 and the funnel 324. In some other embodiments of this utility model, the latch 331 can also be provided on the funnel 324, and the trolley 33 has a mating structure with the latch 331. The choice of connection method can be made according to actual needs.

[0027] like Figure 3 As shown, in one embodiment of this utility model, the dust removal mechanism 32 further includes a reverse blowing assembly 34. This reverse blowing assembly 34 is disposed in the dust removal chamber and located above the filter bag 322, for blowing downwards to remove dust adhering to the filter bag 322. The blown-off dust enters the receiving slot of the trolley 33 through the dust collection port 324a of the funnel 324. Furthermore, to reduce emissions and prevent environmental pollution, the filter bag 322 in this embodiment is a polyester film-coated cloth bag. Of course, in some other embodiments of this utility model, the filter bag 322 may also adopt some other materials and structures, which are not specifically limited here.

[0028] like Figure 4 As shown, in one embodiment of this utility model, the number of filter bags 322 is set to multiple. Specifically, the multiple filter bags 322 are arranged at intervals in the dust removal chamber, and each filter bag 322 extends along the height direction to filter the dust in the dust removal chamber. It should be noted that in this embodiment, the number of filter bags 322 is set to 56 and arranged in a matrix in the dust removal chamber. In some other embodiments of this utility model, the number of filter bags 322 is not specifically limited and can be set according to actual needs.

[0029] like Figure 4As shown, in one embodiment of this utility model, the reverse blowing assembly 34 further includes an air reservoir 341 and multiple jet pipes 342. Specifically, the air reservoir 341 is located outside the dust collection box 321, and the multiple jet pipes 342 are respectively connected to the air reservoir 341 and extend into the dust collection chamber. Each jet pipe 342 is provided with multiple nozzles at intervals, with the nozzles facing downwards and corresponding to the filter bag 322. The air reservoir 341 is used to fill with high-pressure gas, and the high-pressure gas is released from the nozzles and blown into the filter bag 322 to blow off the dust adhering to the surface of the filter bag 322. It can be understood that the blowing of the air reservoir 341 can quickly and effectively remove the dust from the surface of the filter bag 322, ensuring that the filter bag 322 maintains good filtration performance. Regularly blowing off the dust can prevent the filter bag 322 from prematurely wearing or being damaged due to excessive dust accumulation, thereby extending the service life of the filter bag 322.

[0030] like Figure 5 As shown, in one embodiment of this utility model, the back-blowing assembly 34 further includes a pulse solenoid valve 343. Specifically, the pulse solenoid valve 343 is disposed on the jet pipe 342. The dust removal device 3 also includes a controller (not shown) electrically connected to the pulse solenoid valve 343. The controller uses a time-sequential pulse control to control the pulse solenoid valve 343, and the interval and width are adjustable and the signal can be displayed. The pulse solenoid valve 343 can quickly release high-pressure airflow to form short pulses, which effectively blows off the dust on the filter bag 322, resulting in high dust removal efficiency. Compared with traditional dust removal methods, the pulse dust removal system consumes less energy, saving electricity and air supply.

[0031] like Figure 3 As shown, in one embodiment of this utility model, the dust removal device 3 also includes a maintenance platform 35, which is located above the dust removal box 321. The fan 323 is located on the maintenance platform 35. The maintenance platform 35 includes a ladder, guardrails and other structures, which facilitates personnel to access the maintenance platform 35 to configure and replace the filter bag 322 and repair the pulse solenoid valve 343. The maintenance platform 35 is a steel structure with good structural strength.

[0032] like Figure 2 As shown, in one embodiment of this utility model, the rain shelter 31 adopts a semi-open structure of steel structure and rock wool sandwich color plate. The rain shelter 31 also has double doors and side doors 312. The double doors are located at the entrance and exit passage for the trolley 33 to enter and exit the rain shelter 31. The side doors 312 are provided on the side of the rain shelter 31 corresponding to the position of the ladder of the maintenance platform 35, to facilitate personnel entry and exit.

[0033] like Figure 1As shown, in one embodiment of this utility model, the dust removal device 3 further includes an exhaust pipe 36. Specifically, one end of the exhaust pipe 36 is connected to the fan 323, and the other end extends upward through the rain shelter 31. Dust particles are generally light, and the upward-extending exhaust pipe 36 can utilize the natural upward flow of air to help dust be discharged into the atmosphere more quickly, reducing exhaust resistance and wind pressure loss. By extending the exhaust pipe 36 upward, the dust is discharged to a higher position, which helps to prevent dust from settling in the surrounding environment and reduces the impact on the ground, equipment, and personnel. In addition, when the rain shelter 31 is located on the outside of the wall, the exhaust pipe 36 and the wall can be connected by multiple steel frame structures to improve the structural strength of the dust removal device 3.

[0034] This utility model also proposes an aircraft horizontal stabilizer shaft processing equipment 100, which includes a sandblasting device 1, a sand circulation device 2, and a dust removal device 3. The specific structure of the dust removal device 3 is as described in the above embodiments. Since this aircraft horizontal stabilizer shaft processing equipment 100 adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0035] The above description is merely an exemplary embodiment of the present utility model and does not limit the scope of protection of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the scope of protection of the present utility model.

Claims

1. A dust removal device applied to a large shaft machining equipment of an aircraft tail plane, characterized in that, The aircraft horizontal stabilizer shaft processing equipment includes a sandblasting device and a sand circulation device connected to the sandblasting device. The sandblasting device is used to process the aircraft horizontal stabilizer shaft. The dust removal device includes: A rain shelter with an access passage; A dust removal mechanism is located inside the rain shelter. The dust removal mechanism includes a dust removal box and filter bags. The dust removal box has a dust removal chamber, and the filter bags are placed inside the dust removal chamber. The dust removal box is connected to the sand circulation device through a dust removal pipe. A fan is installed on the dust removal box. The fan is used to create a negative pressure inside the dust removal chamber and the dust removal pipe during operation, so as to draw the dust generated by the sandblasting device on the horizontal tail shaft of the aircraft into the dust removal chamber. A dust collection port connected to the dust removal chamber is provided at the bottom of the dust removal box. A trolley has a receiving slot. The trolley and the dust collection box are detachably disposed and have a first state and a second state. In the first state, the trolley is disposed on the dust collection box so that the opening of the receiving slot is connected to the dust collection port. In the second state, the trolley is separated from the dust collection box, and the access channel is used for the trolley to enter and exit the rain shelter.

2. The dust extraction device of claim 1, wherein The dust removal chamber extends along the height direction, the dust removal pipe is connected to the lower end of the dust removal chamber, the fan is located at the upper end of the dust removal box and is connected to the dust removal chamber, and the fan is used to make the airflow flow upward in the dust removal chamber and discharge through the filter bag to the outside of the dust removal box.

3. The dust extraction device of claim 2, wherein The dust collection box has a funnel at the bottom, the dust collection pipe is connected to the side wall of the funnel, the dust collection port is located at the lower end of the funnel, and the trolley can be detachably connected to the funnel by a latch.

4. The dust extraction device of claim 2, wherein The dust removal mechanism also includes a reverse air blowing assembly located above the filter bag, which is used to blow air downwards to remove dust adhering to the filter bag.

5. The dust extraction device of claim 4, wherein The number of filter bags is set to multiple, and the multiple filter bags are arranged in the dust removal chamber along the height direction.

6. The dust extraction device of claim 5, wherein The back-blowing assembly includes an air tank and multiple jet pipes connected to the air tank. Each jet pipe is provided with multiple nozzles spaced apart, and each nozzle faces downward and corresponds to one of the filter bags.

7. The dust extraction device of claim 6, wherein The back-blowing assembly also includes a pulse solenoid valve, which is located on the jet pipe and is used to control the air bag to release high-pressure gas to remove dust from the filter bag.

8. The dust extraction device of claim 1, wherein The dust removal device also includes a maintenance platform; the maintenance platform is located on the dust removal box, and the fan is located on the maintenance platform; And / or, the rain shelter is provided with double doors at the entrance / exit passage for the trolley to enter and exit; And / or, the rain shelter is provided with a side door corresponding to the maintenance platform.

9. The dust extraction device of any one of claims 1 to 8, wherein, The dust removal device also includes an exhaust pipe, one end of which is connected to the fan, and the other end of which extends upward through the rain shelter.

10. An apparatus for machining a large axle of a horizontal tail of an aircraft, characterized in that, It includes a sandblasting device, a sand circulation device, and a dust removal device as described in any one of claims 1 to 9, wherein the sandblasting device is connected to the dust removal device via the sand circulation device.

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