Transportation device for suspending thrust reverser fairing

Abstract

The utility model discloses an allocating and transporting device for a suspension thrust reverser fairing. The allocating and transporting device comprises a control cabinet, a horizontal fixing support, a horizontal folding support, a folding driving mechanism, a vertical supporting mechanism, an overhanging supporting mechanism, a steel rope suspension driving mechanism and two suspension steel wire ropes. According to the allocation and transportation device for suspending the reverse thrust fairing, the horizontal fixing support, the horizontal folding support and the folding driving mechanism can form a bottom folding support, so that the bottom folding support can be folded and parked when not used, the occupied space is reduced, and unfolding and supporting are rapidly achieved through the folding driving mechanism when the allocation and transportation device is used, and the working efficiency is improved; a structure for supporting and driving two hanging steel wire ropes can be formed by utilizing the vertical supporting mechanism, the overhanging supporting mechanism and the steel wire rope hanging driving mechanism, so that stable hoisting is carried out.

Description

Technical Field

[0001] The utility model relates to an aircraft maintenance auxiliary device, in particular to a transporting device for suspending a reverse thrust fairing. Background Art

[0002] When disassembling the fairing of an aircraft, it is first necessary to open the buckle on one side of the fairing and lift it up, then move a transport device to the position of the fairing, adjust the position of the transport device and the length of the wire rope, and then manually tie the wire rope to the fairing, and then disassemble the hinged structure on the other side of the fairing to completely detach the fairing, then move the transport device to drive the fairing to move as a whole, place it at the designated position, then untie the tied wire rope, and then use the same method to hoist the fairing on the other side. However, the existing suspension frame is relatively bulky and laborious when folding or unfolding. Each operation requires the participation of several maintenance personnel to complete the transport construction, which is inconvenient to use. Utility Model Content

[0003] The utility model aims to provide a transport device for suspending a reverse thrust fairing, which can realize electric control folding and improve work efficiency.

[0004] Technical solution: The transportation device for suspending the reverse thrust fairing described in the utility model comprises a control cabinet, a horizontal fixed bracket, a horizontal folding bracket, a folding drive mechanism, a vertical support mechanism, a cantilever support mechanism, a steel rope suspension drive mechanism and two hanging steel ropes; the horizontal folding bracket is swingably mounted on the horizontal fixed bracket, and supporting universal wheels are installed below the horizontal folding bracket and the horizontal fixed bracket; the folding drive mechanism is mounted on the horizontal fixed bracket, and is used to drive the horizontal folding bracket to fold and swing horizontally; the lower end of the vertical support mechanism is swingably and foldably mounted on the horizontal fixed bracket, and the cantilever support mechanism is foldably mounted on the upper end of the vertical support mechanism, and the cantilever support mechanism is vertically supported by the vertical support mechanism; the steel rope suspension drive mechanism is mounted on the horizontal fixed bracket; one end of the two hanging steel ropes is fixed on the steel rope suspension drive mechanism, and the other end is supported by the cantilever support mechanism and extends downward to realize suspension; the control cabinet is mounted on the horizontal fixed bracket, and is used to drive and control the folding drive mechanism, the vertical support mechanism and the steel rope suspension drive mechanism.

[0005] Furthermore, the horizontal fixed support includes a main support beam and two branch support beams; the horizontal folding support includes two swing support beams, two end supports and a horizontal limit beam; the two branch support beams form a V-shaped support structure at one end of the main support beam, and a branch hinge seat is provided at both ends of the V-shaped support structure; the middle parts of the two swing support beams are respectively installed on the two branch hinge seats in a horizontal swinging manner; a support sliding sleeve is provided on each of the two end supports; the driving ends of the two swing support beams are respectively movably inserted in the support sliding sleeve; the folding drive mechanism The structure includes a folding drive motor, a folding drive screw and two folding drive shafts; the two folding drive shafts are rotatably mounted on two end supports respectively; the middle part of the folding drive screw is rotatably mounted on the main support beam, and the two ends of the folding drive screw are respectively threadedly mounted on the two folding drive shafts; the folding drive motor is fixedly mounted on the main support beam, and a driving gear is installed on the end of the output shaft of the folding drive motor; a driven gear meshing with the driving gear is fixedly mounted on the folding drive screw; and the control cabinet is used for driving and controlling the folding drive motor.

[0006] Furthermore, the vertical support mechanism includes a vertical support tube, a vertical support column and an electric telescopic rod; the cantilever support mechanism includes an L-shaped support, an angle positioning bolt, a cantilever beam, two front-end support pulleys, two rear-end support pulleys and two steering pulleys; the lower end of the vertical support tube is swing-hinged and installed on the horizontal fixed bracket, and the lower end of the vertical support column is movably inserted in the upper end of the vertical support tube; various height support holes are arranged at intervals on the vertical support column, and a height locking bolt is threadedly installed at the upper end of the vertical support tube, and the height locking bolt is inserted into the height support hole at the positioning height; one end of the electric telescopic rod is swing-hinged and installed on the horizontal fixed bracket, and the other end is swing-hinged and installed on the vertical support tube; the corner of the L-shaped support is swing-hinged and installed in the vertical At the upper end of the support column, a support hole is provided at both ends of the L-shaped support, and one end of the L-shaped support is fixed on the lower side of the cantilever beam; an end positioning hole is provided at the upper end of the vertical support column, and the angle positioning bolt passes through a support hole and is screwed into the end positioning hole; the two front end support pulleys are installed on the upper side of the suspension end of the cantilever beam in a high and low state, and the two rear end support pulleys are installed side by side on the upper side of the pulling end of the cantilever beam; two pulley support arms are provided on the lower side of the pulling end of the cantilever beam, and the pulley seats of the two steering pulleys are rotatably installed on the ends of the two pulley support arms respectively; the hanging wire rope passes through the steering pulley, the rear end support pulley and the front end support pulley in turn and then passes through the cantilever beam and extends downward; the control cabinet is used to drive and control the electric telescopic rod.

[0007] Furthermore, the steel rope suspension drive mechanism includes a lifting drive motor, a U-shaped mounting bracket, a driving spindle and two reels; the U-shaped mounting bracket is fixedly mounted on the horizontal fixed bracket, the driving spindle is rotatably mounted on the U-shaped mounting bracket, and two shaft sleeves are rotatably mounted on the driving spindle; the two reels are respectively fixedly mounted on the two shaft sleeves, and a fine-tuning worm gear is fixedly mounted on the opposite ends of the two shaft sleeves; a fine-tuning seat is fixedly mounted in the middle of the driving spindle, two fine-tuning worms are rotatably mounted on the fine-tuning seat, and a driving wrench end is provided at the ends of the two fine-tuning worms; the two fine-tuning worms are respectively meshed with the two fine-tuning worm gears; the lifting drive motor is fixedly mounted on the horizontal fixed bracket, and a lifting drive worm is provided on the end of the output shaft, and a lifting drive worm gear meshed with the lifting drive worm is provided on the end of the driving spindle; one end of the two hanging steel ropes is fixed on the two reels respectively; the control cabinet is used to drive and control the lifting drive motor.

[0008] Compared with the prior art, the utility model has the following beneficial effects: a bottom folding bracket can be formed by utilizing a horizontal fixed bracket, a horizontal folding bracket and a folding drive mechanism, so that it can be folded and parked when not in use, thereby reducing the occupied space; when in use, the folding drive mechanism can be utilized to quickly realize the unfolding support, thereby improving work efficiency; a vertical support mechanism, a cantilever support mechanism and a steel rope suspension drive mechanism can be utilized to form a structure that supports and drives two hanging steel ropes, thereby performing stable lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the overall expanded state structure of the utility model;

[0010] Figure 2 It is a schematic diagram of the overall folded state structure of the utility model;

[0011] Figure 3 It is a schematic diagram of a partial cross-sectional structure of the utility model in a top view;

[0012] Figure 4 This is a schematic diagram of the structure of the cantilever beam of the utility model in a top view;

[0013] Figure 5 This is a schematic diagram of the structure of the steel rope suspension drive mechanism of the utility model;

[0014] Figure 6 It is a schematic diagram of the circuit structure of the utility model. DETAILED DESCRIPTION

[0015] The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the embodiments.

[0016] Embodiment 1:

[0017] like Figure 1-6 As shown, the transportation device for suspending the reverse thrust fairing disclosed in the utility model comprises: a control cabinet 64, a horizontal fixed bracket, a horizontal folding bracket, a folding drive mechanism, a vertical support mechanism, a cantilever support mechanism, a steel rope suspension drive mechanism and two hanging steel wire ropes 66; the horizontal folding bracket is swingably mounted on the horizontal fixed bracket, and supporting universal wheels 67 are installed below the horizontal folding bracket and the horizontal fixed bracket; the folding drive mechanism is mounted on the horizontal fixed bracket, and is used to drive the horizontal folding bracket to fold and swing horizontally; the lower end of the vertical support mechanism is swingably and foldably mounted on the horizontal fixed bracket, and the cantilever support mechanism is foldably mounted on the upper end of the vertical support mechanism, and the cantilever support mechanism is vertically supported by the vertical support mechanism; the steel rope suspension drive mechanism is mounted on the horizontal fixed bracket; one end of the two hanging steel wire ropes 66 is fixed on the steel rope suspension drive mechanism, and the other end is supported by the cantilever support mechanism and extends downward to realize suspension; the control cabinet 64 is mounted on the horizontal fixed bracket, and is used to drive and control the folding drive mechanism, the vertical support mechanism and the steel rope suspension drive mechanism.

[0018] A horizontal fixed bracket, a horizontal folding bracket and a folding drive mechanism can be used to form a bottom folding bracket, which can be folded and parked when not in use to reduce the occupied space. When in use, the folding drive mechanism can be used to quickly realize the unfolding support and improve work efficiency. The vertical support mechanism, the cantilever support mechanism and the steel rope suspension drive mechanism can form a structure that supports and drives the two hanging steel ropes 66, thereby performing stable lifting.

[0019] Furthermore, the horizontal fixed support includes a main support beam 42 and two sub-support beams 44; the horizontal folding support includes two swing support beams 46, two end supports 49 and a horizontal limit beam 43; the two sub-support beams 44 form a V-shaped support structure at one end of the main support beam 42, and a branch hinge seat is provided at both ends of the V-shaped support structure; the middle parts of the two swing support beams 46 are respectively installed on the two branch hinge seats in a horizontal swinging manner; a support sliding sleeve 48 is provided on each of the two end supports 49; the driving ends of the two swing support beams 46 are respectively movably inserted in the support sliding sleeve 48; the folding drive mechanism includes a folding drive A folding drive motor 51, a folding drive screw 50 and two folding drive shafts 47; the two folding drive shafts 47 are rotatably mounted on two end supports 49 respectively; the middle part of the folding drive screw 50 is rotatably mounted on the main support beam 42, and the two ends of the folding drive screw 50 are respectively threadedly mounted on the two folding drive shafts 47; the folding drive motor 51 is fixedly mounted on the main support beam 42, and a drive gear 52 is installed on the end of the output shaft of the folding drive motor 51; a driven gear 53 meshing with the drive gear 52 is fixedly mounted on the folding drive screw 50; the control cabinet 64 is used to drive and control the folding drive motor 51.

[0020] The support sliding sleeve 48 can meet the telescopic requirements when the swing support beam 46 swings, and the two swing support beams 46 are installed in a horizontal swinging manner using a V-shaped bracket structure, so that they swing into a larger figure eight shape when in use, ensuring the stability of the bottom support.

[0021] Furthermore, the vertical support mechanism includes a vertical support tube 45, a vertical support column 68 and an electric telescopic rod 63; the cantilever support mechanism includes an L-shaped support 70, an angle positioning bolt 71, a cantilever beam 65, two front end support pulleys 78, two rear end support pulleys 77 and two steering pulleys 76; the lower end of the vertical support tube 45 is swing-hinged and installed on the horizontal fixed bracket, and the lower end of the vertical support column 68 is movably inserted in the upper end of the vertical support tube 45; various height support holes 74 are arranged at intervals on the vertical support column 68, and a height locking bolt 69 is threadedly installed at the upper end of the vertical support tube 45, and the height locking bolt 69 is inserted into the height support hole 74 at the positioning height; one end of the electric telescopic rod 63 is swing-hinged and installed on the horizontal fixed bracket, and the other end is swing-hinged and installed on the vertical support tube 45; the corner of the L-shaped support 70 is swing-hinged and installed on the vertical support At the upper end of the column 68, a support hole 72 is provided at both ends of the L-shaped support 70, and one end of the L-shaped support 70 is fixed on the lower side of the cantilever beam 65; an end positioning hole is provided at the upper end of the vertical support column 68, and an angle positioning bolt 71 passes through a support hole 72 and is screwed and installed in the end positioning hole; two front end support pulleys 78 are installed on the upper side of the suspension end of the cantilever beam 65 in a high and low state, and two rear end support pulleys 77 are installed side by side on the upper side of the pulling end of the cantilever beam 65; two pulley support arms 75 are provided on the lower side of the pulling end of the cantilever beam 65, and the pulley seats of the two steering pulleys 76 are rotatably installed on the ends of the two pulley support arms 75 respectively; the hanging wire rope 66 passes through the steering pulley 76, the rear end support pulley 77 and the front end support pulley 78 in sequence and then passes through the cantilever beam 65 and extends downward; the control cabinet 64 is used to drive and control the electric telescopic rod 63.

[0022] The electric telescopic rod 63 can be used to realize the swinging and folding drive of the vertical support tube 45, eliminating manual folding and improving work efficiency; the L-shaped support 70 and the angle positioning bolt 71 are plugged in and matched to achieve fixed installation in the folded state and the vertical support state; the pulley support arm 75 is used to rotate the pulley seat of the steering pulley 76, so that when folding, the hanging wire rope 66 can be away from the support structure below to avoid entanglement; the two hanging wire ropes 66 with separated positions are used for synchronous lifting, which can enhance the stability below during lifting.

[0023] Furthermore, the steel rope suspension drive mechanism includes a lifting drive motor 54, a U-shaped mounting bracket 73, a driving spindle and two reels 62; the U-shaped mounting bracket 73 is fixedly mounted on the horizontal fixed bracket, the driving spindle is rotatably mounted on the U-shaped mounting bracket 73, and two shaft sleeves 57 are rotatably mounted on the driving spindle; the two reels 62 are respectively fixedly mounted on the two shaft sleeves 57, and a fine-tuning worm gear 61 is fixedly mounted on the opposite ends of the two shaft sleeves 57; a fine-tuning seat 58 is fixedly mounted in the middle of the driving spindle, and a fine-tuning worm gear 61 is fixedly mounted on the fine-tuning seat 58. Two fine-tuning worms 59 are rotatably installed, and a driving wrench end 60 is provided at the end of the two fine-tuning worms 59; the two fine-tuning worms 59 are respectively meshed with two fine-tuning worm wheels 61; the lifting drive motor 54 is fixedly installed on a horizontal fixed bracket, and a lifting drive worm 56 is provided on the end of the output shaft, and a lifting drive worm wheel 55 meshed with the lifting drive worm 56 is provided on the end of the driving main shaft; one end of the two hanging steel ropes 66 is respectively fixed on the two reels 62; the control cabinet 64 is used to drive and control the lifting drive motor 54.

[0024] By utilizing the cooperation between the fine-tuning worm 59 and the fine-tuning worm wheel 61, the reel 62 can be rotated and fine-tuned to fine-tune the retraction and extension lengths of the two hanging steel wire ropes 66, so that the two hanging steel wire ropes 66 can be individually adjusted in suspension height, and the inclination angle of the lower suspension can be adjusted to meet on-site installation needs.

[0025] Furthermore, the control cabinet 64 includes a cabinet body and a controller, a power module, a lifting drive circuit, a folding drive circuit and a supporting drive circuit arranged in the cabinet body; a lifting button, a lowering button, a folding button, an unfolding button, a supporting button and a tipping button are arranged on the top of the cabinet body; the controller is electrically connected to the lifting drive circuit, the folding drive circuit, the supporting drive circuit, the lifting button, the lowering button, the folding button, the unfolding button, the supporting button and the tipping button respectively; the lifting drive circuit is electrically connected to the lifting drive motor 54, the supporting drive circuit is electrically connected to the electric telescopic rod 63, and the folding drive circuit is electrically connected to the folding drive motor 51; the power module supplies power to the controller, the lifting drive circuit, the folding drive circuit and the supporting drive circuit. The controller adopts an existing single-chip microcomputer module to send corresponding control according to the trigger signal of each button; the lifting drive circuit, the folding drive circuit and the supporting drive circuit adopt an existing motor control circuit to drive and control the lifting drive motor 54, the folding drive motor 51 and the electric telescopic rod 63 respectively.

[0026] When the transporting device for suspending the reverse thrust fairing disclosed by the utility model is in use, if it needs to be unfolded, the maintenance personnel presses the unfolding button, the folding drive motor 51 starts working, the two swing support beams 46 are opened in an eight-shaped shape for stable support, and then the support button is pressed, the electric telescopic rod 63 starts working, and the vertical support tube 45 is swung to an inclined state; the maintenance personnel then adjusts the cantilever beam 65 to be perpendicular to the vertical support column 68 and fixes it, and at the same time adjusts the telescopic length of the vertical support column 68 as needed, and presses the support button again, the electric telescopic rod 63 starts working, and the vertical support column 68 is swung to a vertical state; the maintenance personnel then adjusts the cantilever beam 65 to be perpendicular to the vertical support column 68 and fixes it, and at the same time adjusts the telescopic length of the vertical support column 68 as needed, and then presses the support button again, the electric telescopic rod 63 starts working, and the vertical support column 68 is swung to a vertical state; The maintenance personnel push the mobile bracket to the disassembly position of the fairing 100 for hoisting operation; during the hoisting process, the maintenance personnel press the lifting button or the lowering button to control the lifting; if folding is required, the maintenance personnel press the support button, the electric telescopic rod 63 starts working, and the vertical support tube 45 is swung to an inclined state, and then the maintenance personnel folds the cantilever beam 65 and retracts the vertical support column 68, and then presses the support button, the electric telescopic rod 63 starts working, so that the vertical support column 68 is completely folded, and then the folding button is pressed, and the folding drive motor 51 starts working, and the two swing support beams 46 are relatively merged to reduce the floor space.

[0027] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.

Claims

1. A transport device for suspending a reverse thrust fairing, characterized in that: The invention comprises a control cabinet (64), a horizontal fixed bracket, a horizontal folding bracket, a folding drive mechanism, a vertical support mechanism, a cantilever support mechanism, a steel rope suspension drive mechanism and two hanging steel wire ropes (66); the horizontal folding bracket is swingably mounted on the horizontal fixed bracket, and supporting universal wheels (67) are mounted below the horizontal folding bracket and the horizontal fixed bracket; the folding drive mechanism is mounted on the horizontal fixed bracket and is used to drive the horizontal folding bracket to fold and swing horizontally; the lower end of the vertical support mechanism is swingably and foldably mounted on the horizontal fixed bracket, and the cantilever support mechanism is foldably mounted on the upper end of the vertical support mechanism, and the cantilever support mechanism is vertically supported by the vertical support mechanism; the steel rope suspension drive mechanism is mounted on the horizontal fixed bracket; one end of the two hanging steel wire ropes (66) is fixed on the steel rope suspension drive mechanism, and the other end is supported by the cantilever support mechanism and extends downward to realize suspension; the control cabinet (64) is mounted on the horizontal fixed bracket and is used to drive and control the folding drive mechanism, the vertical support mechanism and the steel rope suspension drive mechanism.

2. The transport device for suspending a thrust reverser fairing according to claim 1, characterized in that: The horizontal fixed support comprises a main support beam (42) and two branch support beams (44); the horizontal folding support comprises two swing support beams (46), two end supports (49) and a horizontal limit beam (43); the two branch support beams (44) form a V-shaped support structure at one end of the main support beam (42), and a branch hinge seat is provided at both ends of the V-shaped support structure; the middle parts of the two swing support beams (46) are respectively hingedly installed on the two branch hinge seats in a horizontal swinging manner; the two end supports (49) are each provided with a support sliding sleeve (48); the driving ends of the two swing support beams (46) are respectively movably inserted in the support sliding sleeve (48); the folding drive mechanism comprises a folding drive motor (51), a folding drive motor (52), a folding drive motor (53), and a folding drive motor (54). A folding drive screw (50) and two folding drive shafts (47); the two folding drive shafts (47) are rotatably mounted on two end supports (49) respectively; the middle portion of the folding drive screw (50) is rotatably mounted on the main support beam (42), and the two ends of the folding drive screw (50) are respectively threadedly mounted on the two folding drive shafts (47); a folding drive motor (51) is fixedly mounted on the main support beam (42), and a driving gear (52) is mounted on the end of the output shaft of the folding drive motor (51); a driven gear (53) meshing with the driving gear (52) is fixedly mounted on the folding drive screw (50); and a control cabinet (64) is used to drive and control the folding drive motor (51).

3. The transport device for suspending a thrust reverser fairing according to claim 1, characterized in that: The vertical support mechanism comprises a vertical support tube (45), a vertical support column (68) and an electric telescopic rod (63); the cantilever support mechanism comprises an L-shaped support (70), an angle positioning bolt (71), a cantilever beam (65), two front end support pulleys (78), two rear end support pulleys (77) and two steering pulleys (76); the lower end of the vertical support tube (45) is swingably hingedly mounted on a horizontal fixed bracket, and the lower end of the vertical support column (68) is movably inserted into the upper end of the vertical support tube (45). ; The vertical support column (68) is provided with various height support holes (74) at intervals; a height locking bolt (69) is screwed and installed at the upper end of the vertical support tube (45), and the height locking bolt (69) is inserted into the height support hole (74) at the positioning height; one end of the electric telescopic rod (63) is swing-hinged and installed on the horizontal fixed bracket, and the other end is swing-hinged and installed on the vertical support tube (45); the corner of the L-shaped support (70) is swing-hinged and installed on the vertical support column (68) ), a support hole (72) is provided at each end of the L-shaped support (70), one end of the L-shaped support (70) is fixed to the lower side of the cantilever beam (65); an end positioning hole is provided at the upper end of the vertical support column (68), an angle positioning bolt (71) passes through a support hole (72) and is screwed into the end positioning hole; two front end support pulleys (78) are installed on the upper side of the suspension end of the cantilever beam (65) in a state of one high and one low, and two rear end support pulleys (77) are arranged side by side. The electric telescopic rod (63) is installed on the upper side of the pulling end of the cantilever beam (65); two pulley support arms (75) are arranged on the lower side of the pulling end of the cantilever beam (65); the pulley seats of the two steering pulleys (76) are rotatably installed on the ends of the two pulley support arms (75); the hanging wire rope (66) passes through the steering pulley (76), the rear end support pulley (77) and the front end support pulley (78) in sequence, and then passes through the cantilever beam (65) and extends downward; the control cabinet (64) is used to drive and control the electric telescopic rod (63).

4. The transport device for suspending a thrust reverser fairing according to claim 1, characterized in that: The steel rope suspension drive mechanism comprises a lifting drive motor (54), a U-shaped mounting bracket (73), a driving main shaft and two reels (62); the U-shaped mounting bracket (73) is fixedly mounted on a horizontal fixed bracket, the driving main shaft is rotatably mounted on the U-shaped mounting bracket (73), and two shaft sleeves (57) are rotatably mounted on the driving main shaft; the two reels (62) are respectively fixedly mounted on the two shaft sleeves (57), and a fine-tuning worm gear (61) is fixedly mounted on the opposite ends of the two shaft sleeves (57); a fine-tuning seat (58) is fixedly mounted in the middle of the driving main shaft, and a rotatably mounted worm gear (61) is rotatably mounted on the fine-tuning seat (58). Two fine-tuning worms (59) are provided, and a driving wrench end (60) is provided at the end of each of the two fine-tuning worms (59); the two fine-tuning worms (59) are respectively meshed with two fine-tuning worm wheels (61); the lifting drive motor (54) is fixedly mounted on a horizontal fixed bracket, and a lifting drive worm (56) is provided at the end of the output shaft, and a lifting drive worm wheel (55) meshed with the lifting drive worm (56) is provided at the end of the driving main shaft; one end of two hanging steel wire ropes (66) is respectively fixed on two reels (62); and the control cabinet (64) is used for driving and controlling the lifting drive motor (54).

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