CN112938797B - Using method of aircraft missile hanging elevator - Google Patents

Using method of aircraft missile hanging elevator Download PDF

Info

Publication number
CN112938797B
CN112938797B CN202110167940.XA CN202110167940A CN112938797B CN 112938797 B CN112938797 B CN 112938797B CN 202110167940 A CN202110167940 A CN 202110167940A CN 112938797 B CN112938797 B CN 112938797B
Authority
CN
China
Prior art keywords
steel wire
wire rope
guide
gear
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110167940.XA
Other languages
Chinese (zh)
Other versions
CN112938797A (en
Inventor
党胜茂
司育春
李安
崔养户
李学兵
窦晓牧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwest Machine Co Ltd
Original Assignee
Northwest Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northwest Machine Co Ltd filed Critical Northwest Machine Co Ltd
Priority to CN202110167940.XA priority Critical patent/CN112938797B/en
Publication of CN112938797A publication Critical patent/CN112938797A/en
Application granted granted Critical
Publication of CN112938797B publication Critical patent/CN112938797B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/04Driving gear manually operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12Slings comprising chains, wires, ropes, or bands; Nets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/12Driving gear incorporating electric motors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/14Power transmissions between power sources and drums or barrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

The invention discloses a using method of a lifting machine for hanging and bouncing an aircraft, which comprises the following steps: 1. installing a hoist; 2. lowering a steel wire rope in the hoister; 3. the lifting of the steel wire rope in the hoister drives the bullet hanging frame to lift until the bullet hanging frame is lifted to a bullet hanging required position. The method has simple steps, reasonable design, small volume and convenient operation, realizes electric or manual lifting of the hanging bomb by being arranged at the bottom of the aircraft, and is convenient for the hanging bomb rack to be aligned with the hole site of the bomb hanging position of the aircraft by horizontally lifting the steel wire rope, thereby greatly reducing the difficulty of hanging the bomb, improving the efficiency and saving the bomb hanging time.

Description

Using method of hoister for aircraft missile hanging
Technical Field
The invention belongs to the technical field of aircraft missile hanging lifting, and particularly relates to a using method of a lifting machine for aircraft missile hanging.
Background
At present, the manual bullet hanging or bullet hanging vehicle bullet hanging is generally adopted by an aircraft, and the manual bullet hanging is not only low in efficiency but also low in precision rate; when the ammunition hanging vehicle carries out ammunition hanging, the ammunition hanging vehicle needs to be moved to the bottom of the aircraft, so that the ammunition hanging vehicle is not easy to enter and exit due to the limitation of space below the aircraft in the ammunition hanging process; in addition, the position of the ammunition hanging vehicle is required to be adjusted for multiple times in the ammunition hanging process to ensure that the connecting interface of the ammunition hanging frame and the ammunition hanging position of the aircraft is aligned, so that the operation difficulty is high, the utilization rate of human resources is insufficient, the ammunition hanging efficiency is greatly reduced, and the safety is poor.
Therefore, at present, an application method of the aircraft missile hanging elevator is absent, the aircraft missile hanging elevator is reasonable in design, small in size and convenient to operate, electric or manual hoisting hanging is achieved by being installed at the bottom of an aircraft, missile hanging difficulty is greatly reduced, efficiency is improved, and missile hanging time is saved.
Disclosure of Invention
The invention aims to solve the technical problem that the using method of the hoister for the aircraft hanging bullets is provided aiming at the defects in the prior art, the hoister is reasonable in design, small in size and convenient to operate, the hanging bullets are hoisted electrically or manually by being arranged at the bottom of the aircraft, and the hanging bullet rack is conveniently aligned with the hole sites of the hanging bullet positions of the aircraft by horizontally hoisting through the steel wire rope, so that the bullet hanging difficulty is greatly reduced, the efficiency is improved, and the bullet hanging time is saved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the usage method of the hoisting machine for the missile hanging of the aircraft comprises a steel wire rope reel, a steel wire rope wound on the steel wire rope reel, a rope conveying guide mechanism arranged outside the steel wire rope reel, an electric mechanism and a manual mechanism which are arranged in the steel wire rope reel and drive the steel wire rope reel and the rope conveying guide mechanism to act, wherein the electric mechanism comprises a servo motor, a first-stage NGW planetary gear train, a second-stage NW planetary gear train and an intermediate NGW planetary gear train which are in sequential transmission connection, and the intermediate NGW planetary gear train is positioned between the first-stage NGW planetary gear train and the second-stage NW planetary gear train;
the second-stage NW planetary gear train and the manual mechanism are in transmission connection with the rope conveying guide mechanism through a power transmission mechanism, the free end of the steel wire rope penetrates through the rope conveying guide mechanism, and the rope conveying guide mechanism can move along the length direction of the steel wire rope reel, and the method is characterized by comprising the following steps of:
step one, installation of a hoist:
two hoists are arranged at the missile hanging position of the aircraft; the two hoists are symmetrically arranged, and the projection of the center of the axis connecting line of the wire rope drums in the two hoists is superposed with the projection of the center position of the missile hanging position of the aircraft;
step two, lowering the steel wire rope in the hoister:
step 201, operating a steel wire rope reel to rotate through an electric mechanism or a manual mechanism, enabling a steel wire rope on the steel wire rope reel to be unwound through the rope conveying guide mechanism until a first lifting lug and a second lifting lug in the steel wire rope descend to a bullet hanging frame;
step 202, connecting a first lifting lug and a second lifting lug of a steel wire rope in two hoists with four lifting holes of a missile hanging frame; the four lifting holes are arranged in a rectangular shape in a surrounding mode, and the missile hanging frame is provided with missiles;
step three, lifting the steel wire rope in the lifter to drive the lifting of the bullet hanging frame:
the steel wire rope reel is operated to rotate reversely through an electric mechanism or a manual mechanism, the steel wire rope reel rotates reversely, the steel wire rope is wound on the steel wire rope reel through the rope conveying guide mechanism, and the first lifting lug and the second lifting lug drive the bullet hanging frame to lift in the process of winding the steel wire rope until the bullet hanging frame is lifted to a bullet hanging requirement position.
The use method of the aircraft hanging and bouncing hoister is characterized by comprising the following steps: the first-stage NGW planetary gear train comprises a right support and a first planetary transmission mechanism arranged in the right support, the first planetary transmission mechanism comprises a first sun gear in transmission connection with a servo motor, a plurality of first planetary gears which are uniformly distributed along the circumferential direction of the first sun gear and meshed with the first sun gear, a first gear ring which is arranged outside the first planetary gears and meshed with the first planetary gears, and a first planetary gear frame for mounting first planetary gear shafts in the first planetary gears, a first sun gear shaft is arranged in the first sun gear in a penetrating mode, the first sun gear shaft is in transmission connection with an output shaft of the servo motor, and the first planetary gear frame is in transmission connection with a second-stage NW planetary gear train.
The use method of the aircraft hanging and bouncing hoister is characterized by comprising the following steps: the second-stage NW planetary gear train comprises a left support and a second planetary transmission mechanism arranged in the left support, the second planetary transmission mechanism comprises a second sun gear in transmission connection with the first-stage NGW planetary gear train, a plurality of second planetary gears which are uniformly distributed along the circumferential direction of the second sun gear and meshed with the second sun gear, a second gear ring which is arranged outside the second planetary gears in an enclosing mode and meshed with the second planetary gears, and a second planetary gear carrier for mounting second planetary gears in the second planetary gears, a second sun gear shaft penetrates through the second sun gear, the second sun gear shaft is in transmission connection with a first planetary gear carrier in the first-stage NGW planetary gear train, and the second sun gear penetrates through the second planetary gear carrier.
The use method of the aircraft hanging and bouncing hoister is characterized by comprising the following steps: the second gear ring comprises a first gear ring part and a second gear ring part which is integrally formed with the first gear ring part, the outer diameter of the first gear ring part is larger than that of the second gear ring part, and the inner diameter of the first gear ring part is larger than that of the second gear ring part;
a plurality of second planet wheel shafts are provided with transmission parts, each transmission part comprises a connecting plate connected with the plurality of second planet wheel shafts and a transmission shaft integrally formed with the connecting plate, the connecting plates are positioned in the first gear ring parts, and the transmission shafts penetrate through the second gear ring parts;
the manual mechanism comprises a manual input shaft, a sleeve, a first reversing helical gear and a power transmission part, wherein the first reversing helical gear is arranged on the manual input shaft, the power transmission part is matched with the first reversing helical gear, the power transmission part comprises a worm and a second reversing helical gear which is close to one end of the worm and is engaged with the first reversing helical gear, a worm wheel is sleeved outside the second gear part, and the worm wheel is in transmission connection with the worm.
The use method of the aircraft missile hanging hoister is characterized by comprising the following steps: the power transmission mechanism comprises a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear which are sequentially in transmission connection, the first transmission gear is sleeved on a transmission shaft in a second-stage NW planetary gear train, the second transmission gear and the third transmission gear are installed on a left cover plate through installation shafts, and the fourth transmission gear is in transmission connection with the rope conveying guide mechanism.
The use method of the aircraft hanging and bouncing hoister is characterized by comprising the following steps: the middle NGW planetary gear train comprises a middle sun gear in transmission connection with the second NW planetary gear train, a plurality of middle planetary gears which are uniformly distributed along the circumference of the middle sun gear and meshed with the middle sun gear, and a middle inner gear ring which is arranged on the inner side wall of the steel wire rope reel and meshed with the middle planetary gears, a middle planetary gear shaft penetrates through the middle planetary gears, the middle planetary gear shaft is installed on the right support, the middle inner gear ring drives the steel wire rope reel to rotate, and the axis of the middle inner gear ring is superposed with the axis of the steel wire rope reel.
The use method of the aircraft hanging and bouncing hoister is characterized by comprising the following steps: the rope conveying guide mechanism comprises a power shaft, a guide shaft arranged in parallel with the power shaft and two guide parts symmetrically arranged on the power shaft and the guide shaft, the two guide parts have the same structure, each guide part comprises a guide seat, a rope conveying power wheel and a guide wheel, the guide seats are sleeved on the power shaft and the guide shaft and are arranged in a guide spiral groove in a steel wire rope winding drum, the rope conveying power wheel is sleeved on the power shaft and is positioned in the guide seats, the guide wheels are sleeved on the guide shaft and form a rope guide channel with the rope conveying power wheel, the bottom of each guide seat is provided with two lower guide wheels which are symmetrically arranged in the left-right direction relative to the rope guide channel, and two ends of each guide shaft are provided with spring parts;
the spring part comprises a disc spring arranged at the end part of the guide shaft, a T-shaped positioning rod penetrating through the disc spring and the guide shaft and a jackscrew extending into the T-shaped positioning rod, the jackscrew penetrates through the left mounting seat and the right mounting seat and extends into the T-shaped positioning rod, and the jackscrew can drive the guide shaft to be close to or far away from the power shaft through the disc spring;
the guide seat comprises two guide side plates arranged in parallel, an arc-shaped connecting plate connected to one end of each guide side plate close to the steel wire rope winding drum and a guide sliding lug arranged at the top of the arc-shaped connecting plate, the guide sliding lug is matched with the guide spiral groove, and the guide sliding lug can be clamped in the guide spiral groove;
the two guide side plates are internally provided with a first mounting hole for mounting a rope conveying power wheel and a U-shaped arc groove for the guide shaft to penetrate through, the bottom of each guide side plate is provided with two bottom plates which are arranged in parallel, a lower guide shaft penetrates through the two bottom plates, and the lower guide wheel is mounted on the lower guide shaft.
Wire rope reel lateral wall circumferencial direction is provided with a plurality of hold-down mechanism that compress tightly wire rope on the wire rope reel, and is a plurality of hold-down mechanism's structure is the same, and each hold-down mechanism all includes that support connecting axle and two symmetries wear to establish the wire rope compression roller on the support connecting axle, is provided with the clearance between two wire rope compression rollers, the surface laminating wire rope of wire rope compression roller.
The use method of the aircraft hanging and bouncing hoister is characterized by comprising the following steps: in step 201, the wire rope drum is operated by an electric mechanism to rotate, and the specific process is as follows:
step 2011, operating the servo motor to rotate, wherein the servo motor rotates to drive the first planet wheel and the first planet wheel carrier to rotate through the rotation of the first sun wheel;
step 2012, the first planet carrier rotates to drive the second sun gear to rotate through the second sun gear shaft, and the second sun gear rotates to drive the second planet gear and the second planet carrier to rotate;
step 2013, the second planet wheel rotates to drive a transmission shaft in the transmission piece to rotate, and the transmission shaft rotates to drive the power shaft to rotate sequentially through the first transmission gear, the second transmission gear, the third transmission gear and the fourth transmission gear;
meanwhile, the second planet carrier rotates to drive the middle sun gear on the straight rod planet carrier part in the second planet carrier to rotate;
step 2014, the middle sun wheel rotates to drive the middle planet wheel to rotate, and the middle planet wheel rotates to drive the steel wire rope reel to rotate through the middle inner gear ring;
in the third step, the wire rope reel is operated by an electric mechanism to rotate reversely, and the specific process is as follows:
and operating the servo motor to rotate reversely, and driving the steel wire rope reel to rotate reversely according to the method from step 2012 to step 2014.
The use method of the aircraft missile hanging hoister is characterized by comprising the following steps: in step 201, the manual mechanism operates the wire rope reel to rotate, and the specific process is as follows:
step 201A, operating the manual input shaft to rotate, wherein the manual input shaft rotates to drive the worm wheel to rotate through the first reversing bevel gear, the second reversing bevel gear and the worm, and the worm wheel rotates to drive the second planet wheel to rotate through the second gear ring;
step 201B, the second planet wheel rotates to drive the transmission piece and the second planet wheel carrier to rotate, and the steel wire rope reel is driven to rotate according to the method in the step 2013 and the step 2014;
in the third step, the wire rope reel is operated by a manual mechanism to rotate reversely, and the specific process is as follows:
and operating the manual input shaft to rotate reversely, and driving the steel wire rope reel to rotate reversely according to the method from the step 201A to the step 201B.
The use method of the aircraft missile hanging hoister is characterized by comprising the following steps: in step 201, the steel wire rope is unwound through the rope conveying guide mechanism, and the specific process is as follows:
in the process that the fourth transmission gear drives the power shaft to rotate, the power shaft drives the rope conveying power wheel to rotate so as to convey the steel wire rope, and meanwhile, the steel wire rope winding drum rotates so that the guide seat and the rope conveying power wheel move along the direction of the power shaft, so that the steel wire rope between the rope conveying power wheel and the guide wheel in the guide seat is driven to guide and release the steel wire rope when the steel wire rope winding drum rotates;
in step 201, the steel wire rope is wound by the rope conveying guide mechanism, and the specific process is as follows:
in the process that the fourth transmission gear drives the power shaft to rotate reversely, the power shaft drives the rope conveying power wheel to rotate reversely so as to take up the steel wire rope, and meanwhile, the steel wire rope winding drum rotates so as to enable the guide seat and the rope conveying power wheel to move reversely along the direction of the power shaft, so that the steel wire rope between the rope conveying power wheel and the guide wheel in the guide seat is driven to be guided and wound when the steel wire rope winding drum rotates reversely;
in the second step, in the process of lifting the missile hanging frame, a distance measuring sensor on the missile hanging frame detects the distance between the missile hanging frame and a missile hanging position of the aircraft, and when the distance detected by the distance measuring sensor is not more than 30mm, the bottoms of a first lifting lug and a second lifting lug in two lifting machines are checked and ensured to be positioned on the same height surface, so that the missile hanging frame is kept in a horizontal state; then the two hoists drive the bomb hanging frame to be hoisted continuously in a horizontal state through the first lifting lug and the second lifting lug until the bomb hanging frame is hoisted to a bomb hanging requirement position.
Compared with the prior art, the invention has the following advantages:
1. the invention has the advantages of simple structure, reasonable design, small volume and weight, convenient installation and lower input cost.
2. The electric mechanism adopted by the invention comprises a servo motor, a first-stage NGW planetary gear train, a second-stage NW planetary gear train and an intermediate NGW planetary gear train, wherein the intermediate NGW planetary gear train is positioned between the first-stage NGW planetary gear train and the second-stage NW planetary gear train, so that the power of the servo motor is transmitted to the intermediate NGW planetary gear train through the first-stage NGW planetary gear train and the second-stage NW planetary gear train, thereby realizing a retracing transmission mode, leading the structure of the whole hoister to be more compact, in addition, leading an intermediate inner gear ring in a steel wire rope winding drum to be arranged at the intermediate position in the length direction of the steel wire rope winding drum, and leading the stress of the steel wire rope winding drum to be more reasonable; secondly, the installation space is also reserved for the worm gear in the manual mechanism.
3. The invention is provided with the electric mechanism and the manual mechanism which are relatively independent, the transmission of the electric mechanism and the manual mechanism is not influenced mutually, a switching part between the electric mechanism and the manual mechanism is not needed, the structure is simple, and the operation is convenient.
4. The adopted rope conveying guide mechanism ensures that the outer diameter of the steel wire rope winding drum which is lowered and ascended is tangent to the groove bottom of the guide spiral groove on the steel wire rope winding drum.
5. The adopted steel wire rope horizontally moves along with the length of the steel wire rope drum, and the guide of rope unwinding and winding of the steel wire rope is realized.
6. The adopted aircraft missile-hanging hoister is used in pairs, and four steel wire ropes are connected to a hoisting surface of the missile-hanging frame to ensure that the missile-hanging frame cannot shake in the ascending and descending processes.
7. The usage method of the elevator for the aircraft missile hanging is convenient and fast to operate, the horizontal hoisting of the missile hanging frame is ensured through the horizontal hoisting of the steel wire rope, and the hole sites of the missile hanging position of the aircraft are aligned, so that the missile vehicle does not need to be accurately aligned with the aircraft during the initial missile hanging, only needs to be placed below the aircraft, the missile hanging efficiency and accuracy are improved, and the missile hanging time is saved.
In conclusion, the invention has the advantages of reasonable design, small volume and convenient operation, realizes electric or manual lifting of the bomb by being arranged at the bottom of the aircraft, ensures that the bomb hanging frame is horizontally lifted by the horizontal lifting of the steel wire rope and is convenient to align with the hole site of the bomb hanging position of the aircraft, avoids the accurate alignment of the bomb hanging vehicle and the aircraft during the initial bomb hanging, greatly reduces the difficulty of bomb hanging, improves the efficiency and saves the bomb hanging time.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic structural diagram of an electric mechanism and a manual mechanism of the invention.
Fig. 3 is a schematic structural view of the power transmission mechanism of the present invention.
FIG. 4 is a schematic view of the position of a second reverse bevel gear of the present invention.
Fig. 5 is a schematic structural diagram of the rope conveying guide mechanism.
Fig. 6 is a left side view of fig. 5.
Fig. 7 is a schematic structural view of the rope conveying guide mechanism and the spring component of the invention.
Fig. 8 is a schematic view of the position of the shoe and wire rope drum of the present invention.
Fig. 9 is a schematic view of the position of the steel ball of the present invention.
FIG. 10 is a schematic structural view of a rope conveying power wheel of the present invention.
FIG. 11 is a block flow diagram of a method of the present invention.
Description of reference numerals:
1-a servo motor; 1-output shaft; 2-first stage NGW planetary gear train;
2-1-right support; 2-1-oilless bearing; 2-2 — a first planet carrier;
2-2-1-a second pin; 2-3 — a first planet; 2-3-1-a first planet axle;
2-4 — a first sun gear; 2-4-1-a first sun gear shaft; 2-4-2-a first pin;
2-5 — a first ring gear; 3-second stage NW planetary gear train; 3-1-left support;
3-2-a second planet carrier; 3-2-1-the ring planet carrier portion; 3-2-straight rod planet carrier part;
3-a second planet; 3-3-1-a second planet wheel shaft; 3-3-2-a first planetary wheel portion;
3-3-3-second planetary wheel portion; 3-4-a second sun gear; 3-4-1-a second sun gear shaft;
3-4-2-shaft end check ring; 3-5-a second ring gear; 3-5-1-a first rim portion;
3-5-2-a second ring gear portion; 3-6-a transmission member; 3-6-1-connecting plate;
3-6-2-a drive shaft; 3-7-support the cover; 4-1-a protective sleeve;
4-1-a large circular sleeve body part; 4-1-2-small circular sleeve body part; 4-2-manual input shaft;
4-2-1-circular shaft section; 4-2-square shaft section; 4-2-3-through hole;
4-3-a first reverse helical gear; 4-worm; 4-5-central hole of worm;
4-6-a second reverse bevel gear; 4-7-worm gear; 5-a power transmission mechanism;
5-1 — a first transfer gear; 5-2 — a second transfer gear; 5-2-1-a first mounting base;
5-3 — a third transfer gear; 5-3-1-second installation axis; 5-4-a fourth transfer gear;
5-positioning the lubricating pad; 6-disc spring; 6-1-T-shaped positioning rod;
6-2-jackscrew; 7-wire rope drum; 7-1-guiding spiral groove;
8-intermediate NGW planetary gear train; 8-3-intermediate planet wheel; 8-3-1-middle planet wheel shaft;
8-4-intermediate sun gear; 8-5-middle inner gear ring; 8-7-a positioning sleeve;
9-1-support connecting shaft; 9-2-steel wire rope pressing roller; 9-3-left engaging lug;
9-4-right connecting lug; 10-steel wire rope; 10-1-a first lifting lug;
10-2-a second lifting lug; 11-1-power shaft; 11-1-1-an outer arc-shaped groove;
11-2-guide shaft; 11-3-middle seat; 11-4-front arc cover plate;
11-5-guide wheels; 11-6-a guide seat; 11-6-1-guide sliding projection;
11-6-2-arc connecting plate; 11-6-3-guide side plate; 11-6-31-a first mounting hole;
11-6-33-U-shaped arc groove; 11-6-34-bottom plate; 11-6-7-lower guide wheel;
11-7-left mounting base; 11-8-rope conveying power wheel; 11-8-1-middle wheel body;
11-8-2-torus; 11-8-3-inner arc groove; 11-9-right mounting seat;
12-steel balls; 15-1-left cover plate; 15-2-right cover plate;
16-1 — a fourth bearing; 16-2 — a fifth bearing; 17-1-first flanging oilless bearing.
Detailed Description
The use method of the aircraft hoisting machine for hanging bomb shown in fig. 1 to 11 includes a wire rope reel 7, a wire rope 10 wound on the wire rope reel 7, a rope conveying guide mechanism disposed outside the wire rope reel 7, and an electric mechanism and a manual mechanism disposed inside the wire rope reel 7 and driving the wire rope reel 7 and the rope conveying guide mechanism to move, where the electric mechanism includes a servo motor 1, a first-stage NGW planetary gear train 2, a second-stage NW planetary gear train 3, and an intermediate NGW planetary gear train 8, which are in sequential transmission connection, and the intermediate NGW planetary gear train 8 is located between the first-stage NGW planetary gear train 2 and the second-stage NW planetary gear train 3;
the second-stage NW planetary gear train 3 and the manual mechanism are in transmission connection with the rope conveying guide mechanism through a power transmission mechanism 5, the free end of the steel wire rope 10 penetrates through the rope conveying guide mechanism, and the rope conveying guide mechanism can move along the length direction of the steel wire rope reel 7, and the method is characterized by comprising the following steps of:
step one, installation of a hoist:
two hoists are arranged at the missile hanging position of the aircraft; the two hoists are symmetrically arranged, and the projection of the center of the axis connecting line of the steel wire rope drums 7 in the two hoists is superposed with the center of the missile hanging position of the aircraft;
step two, lowering the steel wire rope in the elevator:
step 201, operating a steel wire rope reel 7 to rotate through an electric mechanism or a manual mechanism, enabling the steel wire rope 10 on the steel wire rope reel 7 to be unwound through a rope conveying guide mechanism until a first lifting lug 10-1 and a second lifting lug 10-2 in the steel wire rope 10 descend to a bullet hanging frame;
step 202, connecting a first lifting lug 10-1 and a second lifting lug 10-2 of a steel wire rope 10 in two hoists with four lifting holes of a missile hanging frame; the four lifting holes are arranged in a rectangular surrounding mode, and the missile hanging frame is provided with a missile;
step three, lifting the steel wire rope in the lifter to drive the bullet hanging frame to lift:
the steel wire rope reel 7 is operated to rotate reversely through an electric mechanism or a manual mechanism, the steel wire rope reel 7 rotates reversely, the steel wire rope 10 is wound on the steel wire rope reel 7 through the rope conveying guide mechanism, and in the winding process of the steel wire rope 10, the first lifting lug 10-1 and the second lifting lug 10-2 drive the bullet hanging frame to be lifted until the bullet hanging frame is lifted to a bullet hanging requirement position.
In the embodiment, the first-stage NGW planetary gear train 2 comprises a right support 2-1 and a first planetary transmission mechanism arranged in the right support 2-1, the first planetary transmission mechanism comprises a first sun gear 2-4 in transmission connection with the servo motor 1, a plurality of first planetary gears 2-3 which are uniformly distributed along the circumferential direction of the first sun gear 2-4 and are meshed with the first sun gear 2-4, a first gear ring 2-5 which surrounds the outside of the first planetary gears 2-3 and is meshed with the first planetary gears 2-3, and a first planetary gear carrier 2-2 for mounting a first planetary gear shaft 2-3-1 in the first planetary gears 2-3, the first sun gear 2-4 is provided with the first sun gear shaft 2-4-1 in a penetrating manner, the first sun gear shaft 2-4-1 is in transmission connection with an output shaft 1-1 of the servo motor 1, and the first planetary gear carrier 2-2 is in transmission connection with a second-stage NW planetary gear train 3.
In this embodiment, the second stage NW planetary gear train 3 includes a left support 3-1, a second planetary transmission mechanism arranged in the left support 3-1, and the second planetary transmission mechanism includes a second sun gear 3-4 in transmission connection with the first stage NGW planetary gear train 2, a plurality of second planetary gears 3-3 uniformly distributed along the circumference of the second sun gear 3-4 and engaged with the second sun gear 3-4, and a second ring gear 3-5 surrounding the plurality of second planetary gears 3-3 and engaged with the second planetary gears 3-3, and a second planetary gear carrier 3-2 for mounting the second planetary gear shaft 3-3-1 of the plurality of second planetary gears 3-3, wherein a second sun gear shaft 3-4-1 penetrates through the second sun gear 3-4, the second sun gear shaft 3-4-1 is in transmission connection with the first planetary gear carrier 2-2 of the first stage NGW planetary gear train 2, and the second sun gear 3-4 penetrates through the second planetary gear carrier 3-2.
In this embodiment, the second ring gear 3-5 includes a first ring gear portion 3-5-1 and a second ring gear portion 3-5-2 integrally formed with the first ring gear portion 3-5-1, the first ring gear portion 3-5-1 has an outer diameter larger than an outer diameter of the second ring gear portion 3-5-2, and the first ring gear portion 3-5-1 has an inner diameter larger than an inner diameter of the second ring gear portion 3-5-2;
a transmission piece 3-6 is arranged on the plurality of second planetary gear shafts 3-3-1, the transmission piece 3-6 comprises a connecting plate 3-6-1 connected with the plurality of second planetary gear shafts 3-3-1 and a transmission shaft 3-6-2 integrally formed with the connecting plate 3-6-1, the connecting plate 3-6-1 is positioned in the first gear ring part 3-5-1, and the transmission shaft 3-6-2 penetrates through the second gear ring part 3-5-2;
the manual mechanism comprises a manual input shaft 4-2, a first reversing helical gear 4-3 sleeved on the manual input shaft 4-2 and a power transmission part matched with the first reversing helical gear 4-3, the power transmission part comprises a worm 4-4 and a second reversing helical gear 4-6 which is close to one end of the worm 4-4 and is installed at one end of the worm and meshed with the first reversing helical gear 4-3, a worm wheel 4-7 is sleeved outside the second gear part 3-5-2, and the worm wheel 4-7 is in transmission connection with the worm 4-4.
In this embodiment, the power transmission mechanism 5 includes a first transmission gear 5-1, a second transmission gear 5-2, a third transmission gear 5-3, and a fourth transmission gear 5-4 that are sequentially in transmission connection, the first transmission gear 5-1 is sleeved on a transmission shaft 3-6-2 in the second-stage NW planetary gear train 3, the second transmission gear 5-2 and the third transmission gear 5-3 are mounted on a left cover plate 15-1 through a mounting shaft, and the fourth transmission gear 5-4 is in transmission connection with the transmission rope guide mechanism.
In this embodiment, the intermediate NGW planetary gear train 8 includes an intermediate sun gear 8-4 in transmission connection with the second-stage NW planetary gear train 3, a plurality of intermediate planetary gears 8-3 evenly distributed along the circumference of the intermediate sun gear 8-4 and engaged with the intermediate sun gear 8-4, and an intermediate ring gear 8-5 arranged on the inner side wall of the steel wire rope reel 7 and engaged with the plurality of intermediate planetary gears 8-3, the intermediate planetary gears 8-3 are provided with intermediate planetary gear shafts 8-3-1 in a penetrating manner, the intermediate planetary gear shafts 8-3-1 are mounted on the right support 2-1, the intermediate ring gear 8-5 drives the steel wire rope reel 7 to rotate, and the axis of the intermediate ring gear 8-5 coincides with the axis of the steel wire rope reel 7.
In the embodiment, the rope conveying guide mechanism comprises a power shaft 11-1, a guide shaft 11-2 arranged in parallel with the power shaft 11-1 and two guide parts symmetrically arranged on the power shaft 11-1 and the guide shaft 11-2, the two guide parts are of the same structure, each guide part comprises a guide seat 11-6 which is sleeved on the power shaft 11-1 and the guide shaft 11-2 and is arranged in a guide spiral groove 7-1 in a steel wire rope reel 7, a rope conveying power wheel 11-8 which is sleeved on the power shaft 11-1 and is positioned in the guide seat 11-6 and a guide wheel 11-5 which is sleeved on the guide shaft 11-2 and forms a rope guide channel with the rope conveying power wheel 11-8, two lower guide wheels 11-6-7 which are symmetrically arranged left and right relative to the rope guide channel are arranged at the bottom of the guide seat 11-6, and spring parts are arranged at two ends of the guide shaft 11-2;
the spring component comprises a disc spring 6 arranged at the end part of the guide shaft 11-2, a T-shaped positioning rod 6-1 arranged in the disc spring 6 and the guide shaft 11-2 in a penetrating manner, and a jackscrew 6-2 extending into the T-shaped positioning rod 6-1, the jackscrew 6-2 penetrates through the left mounting seat 11-7 and the right mounting seat 11-9 to extend into the T-shaped positioning rod 6-1, and the jackscrew 6-2 can drive the guide shaft 11-2 to be close to or far away from the power shaft 11-1 through the disc spring 6;
the guide seat 11-6 comprises two guide side plates 11-6-3 which are arranged in parallel, an arc-shaped connecting plate 11-6-2 which is connected to one end of each guide side plate 11-6-3 close to the steel wire rope reel 7 and a guide sliding bump 11-6-1 which is arranged at the top of the arc-shaped connecting plate 11-6-2, the guide sliding bump 11-6-1 is matched with the guide spiral groove 7-1, and the guide sliding bump 11-6-1 can be clamped in the guide spiral groove 7-1;
first mounting holes 11-6-31 for mounting rope conveying power wheels 11-8 and U-shaped arc grooves 11-6-33 for penetrating guide shafts 11-2 are formed in the two guide side plates 11-6-3, two bottom plates 11-6-34 arranged in parallel are arranged at the bottoms of the guide side plates 11-6-3, lower guide shafts are arranged in the two bottom plates 11-6-34 in a penetrating mode, and the lower guide wheels 11-6-7 are mounted on the lower guide shafts.
The steel wire rope pressing device is characterized in that a plurality of pressing mechanisms for pressing the steel wire ropes 10 on the steel wire rope reel 7 are arranged in the circumferential direction of the outer side wall of the steel wire rope reel 7, the structures of the pressing mechanisms are the same, each pressing mechanism comprises a support connecting shaft 9-1 and two steel wire rope pressing rollers 9-2 symmetrically arranged on the support connecting shaft 9-1 in a penetrating mode, a gap is formed between the two steel wire rope pressing rollers 9-2, and the outer surfaces of the steel wire rope pressing rollers 9-2 are attached to the steel wire ropes 10.
In this embodiment, the wire rope reel 7 is operated by the electric mechanism to rotate in step 201, and the specific process is as follows:
2011, operating the servo motor 1 to rotate, wherein the servo motor 1 rotates to drive the first planet wheel 2-3 and the first planet wheel carrier 2-2 to rotate through the rotation of the first sun wheel 2-4;
step 2012, the first planet carrier 2-2 rotates to drive the second sun gear 3-4 to rotate through the second sun gear shaft 3-4-1, and the second sun gear 3-4 rotates to drive the second planet gear 3-3 and the second planet carrier 3-2 to rotate;
step 2013, the second planet wheel 3-3 rotates to drive the transmission shaft 3-6-2 in the transmission piece 3-6 to rotate, and the transmission shaft 3-6-2 rotates to drive the power shaft 11-1 to rotate sequentially through the first transmission gear 5-1, the second transmission gear 5-2, the third transmission gear 5-3 and the fourth transmission gear 5-4;
meanwhile, the second planet carrier 3-2 rotates to drive the middle sun gear 8-4 on the straight rod planet carrier part 3-2-2 in the second planet carrier 3-2 to rotate;
step 2014, the middle sun wheel 8-4 rotates to drive the middle planet wheel 8-3 to rotate, and the middle planet wheel 8-3 rotates to drive the steel wire rope reel 7 to rotate through the middle inner gear ring 8-5;
in the third step, the wire rope reel 7 is operated by an electric mechanism to rotate reversely, and the specific process is as follows:
and (5) operating the servo motor 1 to rotate reversely, and driving the steel wire rope reel 7 to rotate reversely according to the method from step 2012 to step 2014.
In this embodiment, in step 201, the manual mechanism operates the wire rope reel 7 to rotate, and the specific process is as follows:
step 201A, operating a manual input shaft 4-2 to rotate, wherein the manual input shaft 4-2 rotates to drive a worm wheel 4-7 to rotate through a first reversing bevel gear 4-3, a second reversing bevel gear 4-6 and a worm 4-4, and the worm wheel 4-7 rotates to drive a second planet wheel 3-3 to rotate through a second gear ring 3-5;
step 201B, the second planet wheel 3-3 rotates to drive the transmission part 3-6 and the second planet wheel carrier 3-2 to rotate, and the steel wire rope reel 7 is driven to rotate according to the method in the step 2013 and the step 2014;
in the third step, the wire rope reel 7 is operated by a manual mechanism to rotate reversely, and the specific process is as follows:
and operating the manual input shaft 4-2 to rotate reversely, and driving the steel wire rope reel 7 to rotate reversely according to the method from the step 201A to the step 201B.
In this embodiment, in step 201, the steel wire rope 10 is unreeled through the rope conveying guide mechanism, and the specific process is as follows:
in the process that the fourth transmission gear 5-4 drives the power shaft 11-1 to rotate, the power shaft 11-1 drives the rope conveying power wheel 11-8 to rotate so as to convey the steel wire rope 20, and meanwhile, the steel wire rope winding drum 7 rotates so as to enable the guide seat 11-6 and the rope conveying power wheel 11-8 to move along the direction of the power shaft 11-1, so that the steel wire rope 20 between the rope conveying power wheel 11-8 in the guide seat 11-6 and the guide wheel 11-5 is driven to guide and release the rope when the steel wire rope winding drum 7 rotates;
in step 201, the steel wire rope 10 is wound by the rope conveying guide mechanism, and the specific process is as follows:
in the process that the fourth transmission gear 5-4 drives the power shaft 11-1 to rotate reversely, the power shaft 11-1 drives the rope conveying power wheel 11-8 to rotate reversely so as to take up the steel wire rope 20, and meanwhile, the steel wire rope winding drum 7 rotates so as to enable the guide seat 11-6 and the rope conveying power wheel 11-8 to move reversely along the direction of the power shaft 11-1, so that the steel wire rope 20 between the rope conveying power wheel 11-8 and the guide wheel 11-5 in the guide seat 11-6 is driven to be guided and wound when the steel wire rope winding drum 7 rotates reversely; in the second step, in the process of lifting the missile hanging frame, a distance measuring sensor on the missile hanging frame detects the distance between the missile hanging frame and a missile hanging position of the aircraft, and when the distance detected by the distance measuring sensor is not more than 30mm, the bottoms of a first lifting lug 10-1 and a second lifting lug 10-2 in two lifting machines are checked and ensured to be positioned on the same height plane, so that the missile hanging frame is kept in a horizontal state; then the two hoists drive the bomb-hanging frame to be hoisted continuously in a horizontal state through the first lifting lug 10-1 and the second lifting lug 10-2 until the bomb-hanging frame is hoisted to a bomb-hanging required position.
In this embodiment, the servo motor 1 is installed on the outer end face of the right cover plate 15-2, the output shaft 1-1 of the servo motor 1 penetrates through the right cover plate 15-2, an installation hole for installing the first sun gear shaft 2-4-1 is formed in the output shaft 1-1, and the first sun gear shaft 2-4-1 is in transmission connection with the output shaft 1-1, so that power transmission of the servo motor 1 is achieved.
In this embodiment, the first sun gear shaft 2-4-1 and the output shaft 1-1 are connected by a first pin 2-4-2, and the first planetary gear shaft 2-3-1 is mounted on the first planetary gear carrier 2-2 by a second pin 2-2-1.
In this embodiment, the outer side wall of the first gear ring 2-5 is installed on the inner side wall of the right support 2-1, the outer end face of the right support 2-1 is attached to the inner end face of the right cover plate 15-2, and the inner side wall of the right support 2-1 is provided with a first bearing for installing the first planet carrier 2-2, so that the first planet gear 2-3 drives the first planet carrier 2-2 to rotate.
In the embodiment, a second sun gear shaft 3-4-1 in the second sun gear 3-4 passes through a second planet carrier 3-2 and extends into a first planet carrier 2-2, the second sun gear shaft 3-4-1 is in transmission connection with the first planet carrier 2-2 through a double bond,
in the embodiment, the first planet carrier 2-2 is provided with a through hole for mounting the second sun gear shaft 3-4-1, the extending end of the second sun gear shaft 3-4-1 is provided with a shaft end check ring 3-4-2, and the shaft end check ring 3-4-2 is arranged to prevent the second sun gear shaft 3-4-1 from moving on one hand and prevent double keys from falling off on the other hand, so that the stability of transmission between the first planet carrier 2-2 and the second sun gear shaft 3-4-1 is improved.
In this embodiment, a second bearing for mounting the second planet wheel shaft 3-3-1 is arranged in the second planet wheel 3-3, and a third bearing is arranged in the second planet wheel carrier 3-2, so that the second planet wheel 3-3 drives the second planet wheel carrier 3-2 to rotate.
In this embodiment, a fourth bearing 16-1 for rotatably mounting the second ring gear 3-5 is disposed in the left bracket 3-1, and the fourth bearing 16-1 is located between an inner sidewall of the left bracket 3-1 and an outer sidewall of the first ring gear 3-5-1.
In this embodiment, the second planetary gear 3-3 includes a first planetary gear portion 3-3-2 and a second planetary gear portion 3-3-3 integrally formed with the first planetary gear portion 3-3-2, the first planetary gear portion 3-3-2 is engaged with the second sun gear 3-4, the second planetary gear portion 3-3-3 is engaged with an inner sidewall of the first ring gear portion 3-5-1, an outer diameter of the first planetary gear portion 3-3-2 is larger than an outer diameter of the second planetary gear portion 3-3-3, and the second planetary gear shaft 3-3-1 passes through the first planetary gear portion 3-3-2 and the second planetary gear portion 3-3-3.
In the embodiment, the second planetary gear shaft 3-3-1 is mounted on the second planetary gear carrier 3-2 through a first bolt.
In the embodiment, a stepped hole corresponding to the second planet wheel shaft 3-3-1 is formed in the connecting plate 3-6-1, a threaded hole is formed in the second planet wheel shaft 3-3-1, a second bolt penetrates through the stepped hole and extends into the second planet wheel shaft 3-3-1, and the connecting plate 3-6-1 and the second planet wheel shaft 3-3-1 are connected through the second bolt.
In the embodiment, the fifth bearing 16-2 for rotatably mounting the worm wheel 4-7 is arranged on the left cover plate 15-1, one end of the worm wheel 4-7 is positioned in the fifth bearing 16-2, and the cross sectional area of the worm wheel 4-7 is smaller than that of the first gear ring part 3-5-1, so that the mounting of a manual mechanism is facilitated, and the integral compactness is improved.
In this embodiment, a protecting sleeve 4-1 is disposed at an end portion of the manual input shaft 4-2 extending out of the left cover plate 15-1, the protecting sleeve 4-1 and the manual input shaft 4-2 are coaxially disposed, the protecting sleeve 4-1 includes a large circular sleeve body portion 4-1-1 and a small circular sleeve body portion 4-1-2 integrally formed with the large circular sleeve body portion 4-1-1, a third bolt is inserted through the large circular sleeve body portion 4-1-1 in the protecting sleeve 4-1, and the protecting sleeve 4-1 is mounted on an end surface of the left cover plate 15-1 through the third bolt.
In the embodiment, the manual input shaft 4-2 comprises a circular shaft section 4-2-1 and a square shaft section 4-2-2 which is integrally formed with the circular shaft section 4-2-1, the first reversing helical gear 4-3 is positioned on the circular shaft section 4-2-1, the square shaft section 4-2-2 is positioned in a protective sleeve 4-1, and a gap is formed between the outer side wall of the square shaft section 4-2-2 and the inner side wall of the small ring sleeve body part 4-1-2;
through holes 4-2-3 are formed in the square shaft section 4-2-2 and the round shaft section 4-2-1, and weight reduction is achieved by arranging the through holes 4-2-3.
In the embodiment, a worm central hole 4-5 is formed in the worm 4-4, so that weight reduction is realized.
In the embodiment, the transmission shaft 3-6-2 is sleeved with the positioning lubricating pad 5-5, the positioning lubricating pad 5-5 is positioned between the end faces of the first transmission gear 5-1 and the second gear ring portion 3-5-2, and the positioning lubricating pad 5-5 is arranged, so that abrasion between the first transmission gear 5-1 and the second gear ring portion 3-5-2 can be reduced, axial movement of the first transmission gear 5-1 and the second gear ring portion 3-5-2 can be avoided, and stability of electric power transmission and manual power transmission is improved.
In this embodiment, the left cover plate 15-1 is provided with a first flanging oilless bearing 17-1 for rotatably mounting the transmission shaft 3-6-2.
In this embodiment, a first mounting shaft penetrates through the second transfer gear 5-2, a first mounting seat 5-2-1 penetrates through the first mounting shaft, a stepped hole for mounting the first mounting seat 5-2-1 is formed in the left cover plate 15-1, and the surface of the first mounting seat 5-2-1 is flush with the surface of the left cover plate 15-1;
a second mounting shaft 5-3-1 penetrates through the third transmission gear 5-3, and the second mounting shaft 5-3-1 is mounted in the left cover plate 15-1.
In the present embodiment, the second transfer gear 5-2 is located between the first transfer gear 5-1 and the third transfer gear 5-3, and the clearance between the first transfer gear 5-1 and the third transfer gear 5-3 is smaller than the outer diameter of the second transfer gear 5-2.
In the embodiment, the first transmission gear 5-1, the second transmission gear 5-2, the third transmission gear 5-3 and the fourth transmission gear 5-4 are arranged, on one hand, the electric power transmission and the manual power transmission are realized, the overall height is reduced, and the structure compactness is improved; in addition, the rotation direction of the steel wire rope reel 7 is the same as the rotation direction of the rope conveying power wheel 11-8 in the rope conveying guide mechanism for power reversing.
In this embodiment, the fourth transmission gear 5-4 is sleeved on the end of the power shaft 11-1 extending into the left support 3-1.
In this embodiment, the second planet carrier 3-2 includes a circular ring planet carrier portion 3-2-1 and a straight rod planet carrier portion 3-2-2 integrally formed with the circular ring planet carrier portion 3-2-1, a through hole is formed in the straight rod planet carrier portion 3-2-2, the second sun gear shaft 3-4-1 penetrates through the circular ring planet carrier portion 3-2-1 and the straight rod planet carrier portion 3-2-2 and then extends into the first planet carrier portion 2-2, and the intermediate sun gear 8-4 is mounted on the straight rod planet carrier portion 3-2-2.
In the embodiment, an intermediate planet wheel shaft 8-3-1 penetrates through the intermediate planet wheel 8-3, and the intermediate planet wheel shaft 8-3-1 is connected and installed with the right support 2-1 through a fourth bolt.
In the embodiment, the straight rod planet carrier part 3-2-2 is externally sleeved with an oilless bearing 2-1-1 for rotatably mounting the right support 2-1, and the oilless bearing 2-1-1 is positioned between the outer side wall of the straight rod planet carrier part 3-2-2 and the inner side wall of the right support 2-1.
In the embodiment, a second flanging oilless bearing for rotatably mounting the middle planet wheel 8-3 is sleeved on the middle planet wheel shaft 8-3-1, a support sleeve 3-7 is arranged in the steel wire rope winding drum 7, the support sleeve 3-7 is positioned between the circular ring planet carrier part 3-2-1 and the middle planet wheel 8-3, the support sleeve 3-7 is sleeved on the straight rod planet carrier part 3-2-2 to limit the second planet wheel carrier 3-2 and the middle planet wheel 8-3, and the straight rod planet carrier part 3-2-2 is prevented from being bent by torque; in addition, a sixth bearing for rotatably mounting the middle planet wheel shaft 8-3-1 is arranged in the support sleeve 3-7.
In this embodiment, the middle planet wheel shaft 8-3-1 is sleeved with a positioning sleeve 8-7, and the positioning sleeve 8-7 is located between the second flanging oilless bearing and the sixth bearing, so that the axial positioning of the middle planet wheel 8-3 is realized, and the positioning of the third flanging oilless bearing and the sixth bearing can also be realized.
In the embodiment, the middle parts of the power shaft 11-1 and the guide shaft 11-2 are sleeved with the middle seat 11-3, so that the power shaft 11-1 and the guide shaft 11-2 are supported.
In this embodiment, the rope conveying power wheel 11-8 includes a middle wheel body 11-8-1 and two circular rings 11-8-2 symmetrically disposed on both sides of the middle wheel body 11-8-1 and integrally formed with the middle wheel body 11-8-1, one circular ring 11-8-2 extends into a first mounting hole 11-6-31 in one guide side plate 11-6-3, the other circular ring 11-8-2 extends into a first mounting hole 11-6-31 in the other guide side plate 11-6-3, the middle wheel body 11-8-1 is located between the two guide side plates 11-6-3, a first guide groove is disposed on the middle wheel body 11-8-1, a second guide groove is disposed on the guide wheel 11-5, and the first guide groove and the second guide groove form a rope guide channel.
In the embodiment, the inner side wall of the rope conveying power wheel 11-8 is provided with a plurality of inner arc-shaped grooves 11-8-3, the power shaft 11-1 is provided with two outer arc-shaped grooves 11-1-1 which are symmetrically arranged, the outer arc-shaped grooves 11-1-1 are arranged along the length direction of the power shaft 11-1, one end of each outer arc-shaped groove 11-1-1 extends to the middle seat 11-3, the inner arc-shaped grooves 11-8-3 are matched with the outer arc-shaped grooves 11-1-1, and steel balls 12 are arranged in a containing cavity formed between the inner arc-shaped grooves 11-8-3 and the outer arc-shaped grooves 11-1, so that the power shaft 11-1 rotates to drive the rope conveying power wheel 11-8 to rotate.
In this embodiment, the left support 3-1 is provided with a left mounting seat 11-7 for mounting one end of the guide shaft 11-2, and the right support 2-1 is provided with a right mounting seat 11-9 for mounting the other end of the guide shaft 11-2.
In this embodiment, the end surface of the guide seat 11-6, which is far away from the wire rope reel 7, is provided with a front arc-shaped cover plate 11-4, and the front arc-shaped cover plate 11-4 is installed on the end surfaces of the two guide side plates 11-6-3.
In the embodiment, the T-shaped positioning rod 6-1 is provided with a threaded hole, the top thread 6-2 is screwed, and the disc spring 6 stretches under the round limiting disc spring 6 of the T-shaped positioning rod 6-1 to enable the guide shaft 11-2 to be close to or far away from the power shaft 11-1, so that the gap between the guide wheel 11-5 and the rope conveying power wheel 11-8 is adjusted, and the guide wheel 11-5 and the rope conveying power wheel 11-8 are always attached to the outer surface of the steel wire rope 10.
In the embodiment, the left support 3-1 is provided with a left connecting lug 9-3 for mounting one end of a support connecting shaft 9-1, the right support 2-1 is provided with a right connecting lug 9-4 for mounting the other end of the support connecting shaft 9-1, and the left connecting lug 9-3 and the right connecting lug 9-4 are symmetrically arranged.
In the embodiment, the outer diameter of the middle of the support connecting shaft 9-1 is smaller than the outer diameter of the support connecting shaft 9-1 where the steel wire rope pressing roller 9-2 is located, a convex edge is arranged in the middle of the support connecting shaft 9-1 to limit the end of the steel wire rope pressing roller 9-2, one end of one steel wire rope pressing roller 9-2 is attached to the left support 3-1, and one end of the other steel wire rope pressing roller 9-2 is attached to the right support 2-1.
In this embodiment, during actual use, still the transmission is provided with the encoder on servo motor 1's the output shaft 1-1, realizes the detection of the number of turns of the output shaft of servo motor 1 through the encoder to obtain the lifting distance of lifting machine according to the number of turns of the output shaft of servo motor 1, be convenient for judge the installation of hanging the bullet frame and target in place.
In this embodiment, it should be noted that the overall weight of the hoisting machine of the present invention is not more than 7kg, the length of the hoisting machine of the present invention is not more than 364mm, and the diameter of the wire rope reel 7 is not more than 78mm.
In this embodiment, it should be noted that, in actual use, the hoisting machine may also be installed or lowered by hoisting or lifting other loads.
In the embodiment, it should be noted that the invention is mainly suitable for lifting and lowering large loads by a low-power motor and ensuring that the vehicle cannot slide when the vehicle stops midway, the steel wire rope does not loosen and jump on a winding drum when the vehicle is lifted and lowered in a no-load state, and in addition, the invention can directly use manual drive to finish lifting and lowering the load in a power-off state without mechanical/electric control switching.
In this embodiment, it should be noted that two rope conveying guide mechanisms are provided, two sets of guide spiral grooves 7-1 are provided at two ends of the steel wire rope drum 7, the two sets of guide spiral grooves 7-1 are symmetrically arranged, the rope conveying guide mechanisms and the guide spiral grooves 7-1 are the same in number and are in one-to-one correspondence, when the steel wire rope is pre-wound, the two ends of the steel wire rope 10 are folded to take a middle point and are marked, the mark is pressed to a set position at the middle of the length of the steel wire rope drum 7 by using a fixing block, and at this time, the steel wire rope drum 7 is rotated to wind the steel wire rope 10 into the guide spiral grooves 7-1 of the steel wire rope drum 7, so that the heights of the two free ends of the steel wire rope are consistent. After the steel wire rope 10 is wound, the two free ends are consistent in height, the two ends of the steel wire rope 10 penetrate through a rope guide channel between a rope conveying power wheel 11-8 and a guide wheel 11-5 in the rope conveying guide mechanism, the steel wire rope 10 is tightly pressed by the rope conveying power wheel 11-8 and the guide wheel 11-5, and the outer diameter of the steel wire rope 10 between the rope conveying power wheel 11-8 and the guide wheel 11-5 is guaranteed to be tangent to the bottom of a guide spiral groove 7-1 on a steel wire rope winding drum 7.
In this embodiment, it should be noted that the two rope guiding mechanisms move in the direction along the power shaft 11-1 and move in opposite directions or move in opposite directions.
In this embodiment, it should be noted that the manual mechanism is a self-locking worm-and-gear pair.
In this embodiment, in practical use, one end of the steel wire rope 10 is provided with a first lifting lug 10-1, and the other end of the steel wire rope 10 is provided with a second lifting lug 10-2.
In this embodiment, it should be noted that, in practical use, the lifting amount can be adjusted according to the lifting requirement.
In conclusion, the invention has the advantages of reasonable design, small volume and convenient operation, realizes electric or manual lifting of the bomb by being arranged at the bottom of the aircraft, ensures that the bomb hanging frame is horizontally lifted by the horizontal lifting of the steel wire rope and is convenient to align with the hole site of the bomb hanging position of the aircraft, avoids the accurate alignment of the bomb hanging vehicle and the aircraft during the initial bomb hanging, greatly reduces the difficulty of bomb hanging, improves the efficiency and saves the bomb hanging time.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims (4)

1. The using method of the hoisting machine for the missile hanging of the aircraft comprises a steel wire rope reel (7), a steel wire rope (10) wound on the steel wire rope reel (7), a rope conveying guide mechanism arranged outside the steel wire rope reel (7), an electric mechanism and a manual mechanism which are arranged in the steel wire rope reel (7) and drive the steel wire rope reel (7) and the rope conveying guide mechanism to move, wherein the electric mechanism comprises a servo motor (1), a first-stage NGW planetary gear train (2), a second-stage NW planetary gear train (3) and an intermediate NGW planetary gear train (8) which are in transmission connection in sequence, and the intermediate NGW planetary gear train (8) is positioned between the first-stage NGW planetary gear train (2) and the second-stage NW planetary gear train (3);
the second-stage NW planetary gear train (3) and the manual mechanism are in transmission connection with the rope conveying guide mechanism through a power transmission mechanism (5), the free end of the steel wire rope (10) penetrates through the rope conveying guide mechanism, the rope conveying guide mechanism can move along the length direction of the steel wire rope winding drum (7), the first-stage NGW planetary gear train (2) is characterized by comprising a right support (2-1) and a first planetary transmission mechanism arranged in the right support (2-1), the first planetary transmission mechanism comprises first sun wheels (2-4) in transmission connection with a servo motor (1), a plurality of first planetary wheels (2-3) which are uniformly distributed along the circumferential direction of the first sun wheels (2-4) and meshed with the first sun wheels (2-4), first gear rings (2-5) which are arranged outside the first planetary wheels (2-3) and meshed with the first planetary wheels (2-3), and first planetary wheel carriers (2-2) for mounting first planetary wheel shafts (2-3-1) in the first planetary wheels (2-3), wherein first sun wheel shafts (2-4-1) penetrate through the first sun wheels (2-4), the first sun wheel shafts (2-4-1) are in transmission connection with output shafts (1-1) of the servo motor (1), and the first planetary wheel carriers (2-2) and second planetary wheel systems (3) are in transmission connection with the servo motor (1), and the first planetary wheel carriers (2-2) and the second planetary wheel systems (3) are in transmission connection with each other stages Connecting;
the second-stage NW planetary gear train (3) comprises a left support (3-1) and a second planetary transmission mechanism arranged in the left support (3-1), the second planetary transmission mechanism comprises a second sun gear (3-4) in transmission connection with the first-stage NGW planetary gear train (2), a plurality of second planetary gears (3-3) which are uniformly distributed along the circumferential direction of the second sun gear (3-4) and are meshed with the second sun gear (3-4), a second gear ring (3-5) which is arranged outside the second planetary gears (3-3) and is meshed with the second planetary gears (3-3), and a second planetary gear carrier (3-2) for mounting a second planetary gear shaft (3-3-1) in the second planetary gears (3-3), a second sun gear shaft (3-4-1) penetrates through the second sun gear (3-4-1), the second sun gear shaft (3-4-1) and the first planetary gear carrier (2-2) in the first-stage NGW planetary gear train (2) are in transmission connection with the second sun gear (3-4-1), and the second sun gear carrier (3-2) penetrates through the second sun gear (3-4-1);
the second ring gear (3-5) comprises a first ring gear portion (3-5-1) and a second ring gear portion (3-5-2) which is integrally formed with the first ring gear portion (3-5-1), the outer diameter of the first ring gear portion (3-5-1) is larger than the outer diameter of the second ring gear portion (3-5-2), and the inner diameter of the first ring gear portion (3-5-1) is larger than the inner diameter of the second ring gear portion (3-5-2);
a transmission piece (3-6) is arranged on the second planetary gear shafts (3-3-1), the transmission piece (3-6) comprises a connecting plate (3-6-1) connected with the second planetary gear shafts (3-3-1) and a transmission shaft (3-6-2) integrally formed with the connecting plate (3-6-1), the connecting plate (3-6-1) is located in the first gear ring portion (3-5-1), and the transmission shaft (3-6-2) penetrates through the second gear ring portion (3-5-2);
the manual mechanism comprises a manual input shaft (4-2), a first reversing bevel gear (4-3) sleeved on the manual input shaft (4-2) and a power transmission part matched with the first reversing bevel gear (4-3), the power transmission part comprises a worm (4-4) and a second reversing bevel gear (4-6) which is close to one end of the worm (4-4) and is installed at one end of the worm (4-4) and meshed with the first reversing bevel gear (4-3), a worm wheel (4-7) is sleeved outside the second gear ring part (3-5-2), and the worm wheel (4-7) is in transmission connection with the worm (4-4);
the power transmission mechanism (5) comprises a first transmission gear (5-1), a second transmission gear (5-2), a third transmission gear (5-3) and a fourth transmission gear (5-4) which are in transmission connection in sequence, the first transmission gear (5-1) is sleeved on a transmission shaft (3-6-2) in the second-stage NW planetary gear train (3), the second transmission gear (5-2) and the third transmission gear (5-3) are installed on a left cover plate (15-1) through installation shafts, and the fourth transmission gear (5-4) is in transmission connection with the rope transmission guide mechanism;
the middle NGW planetary gear train (8) comprises a middle sun gear (8-4) in transmission connection with the second NW planetary gear train (3), a plurality of middle planetary gears (8-3) which are uniformly distributed along the circumference of the middle sun gear (8-4) and engaged with the middle sun gear (8-4), and a middle annular gear (8-5) which is arranged on the inner side wall of the steel wire rope reel (7) and engaged with the plurality of middle planetary gears (8-3), wherein a middle planetary gear shaft (8-3-1) penetrates through the middle planetary gears (8-3), the middle planetary gear shaft (8-3-1) is arranged on the right support (2-1), the middle annular gear (8-5) drives the steel wire rope reel (7) to rotate, and the axis of the middle annular gear (8-5) is superposed with the axis of the steel wire rope reel (7);
the rope conveying guide mechanism comprises a power shaft (11-1), a guide shaft (11-2) arranged in parallel with the power shaft (11-1) and two guide parts symmetrically installed on the power shaft (11-1) and the guide shaft (11-2), the two guide parts are identical in structure and comprise guide seats (11-6) which are sleeved on the power shaft (11-1) and the guide shaft (11-2) and installed in guide spiral grooves (7-1) in a steel wire rope reel (7), rope conveying power wheels (11-8) which are sleeved on the power shaft (11-1) and located in the guide seats (11-6) and guide wheels (11-5) which are sleeved on the guide shaft (11-2) and form rope guide channels with the rope conveying power wheels (11-8), two lower guide wheels (11-6-7) symmetrically arranged left and right relative to the rope guide channels are arranged at the bottom of the guide seats (11-6), and springs are arranged at two ends of the guide shaft (11-2);
the spring component comprises a disc spring (6) arranged at the end part of the guide shaft (11-2), a T-shaped positioning rod (6-1) penetrating through the disc spring (6) and the guide shaft (11-2) and a jackscrew (6-2) extending into the T-shaped positioning rod (6-1), the jackscrew (6-2) penetrates through the left mounting seat (11-7) and the right mounting seat (11-9) and extends into the T-shaped positioning rod (6-1), and the jackscrew (6-2) can drive the guide shaft (11-2) to be close to or far away from the power shaft (11-1) through the disc spring (6);
the guide seat (11-6) comprises two guide side plates (11-6-3) which are arranged in parallel, an arc-shaped connecting plate (11-6-2) which is connected to one end of each guide side plate (11-6-3) close to the steel wire rope reel (7) and a guide sliding convex block (11-6-1) which is arranged at the top of the arc-shaped connecting plate (11-6-2), wherein the guide sliding convex block (11-6-1) is matched with the guide spiral groove (7-1), and the guide sliding convex block (11-6-1) can be clamped in the guide spiral groove (7-1);
first mounting holes (11-6-31) for mounting rope conveying power wheels (11-8) and U-shaped arc grooves (11-6-33) for penetrating guide shafts (11-2) are formed in the two guide side plates (11-6-3), two bottom plates (11-6-34) arranged in parallel are arranged at the bottoms of the guide side plates (11-6-3), lower guide shafts are arranged in the two bottom plates (11-6-34) in a penetrating manner, and the lower guide wheels (11-6-7) are mounted on the lower guide shafts;
a plurality of pressing mechanisms for pressing the steel wire rope (10) on the steel wire rope reel (7) are arranged in the circumferential direction of the outer side wall of the steel wire rope reel (7), the structures of the pressing mechanisms are the same, each pressing mechanism comprises a support connecting shaft (9-1) and two steel wire rope pressing rollers (9-2) symmetrically arranged on the support connecting shaft (9-1) in a penetrating mode, a gap is formed between the two steel wire rope pressing rollers (9-2), and the outer surface of each steel wire rope pressing roller (9-2) is attached to the steel wire rope (10);
the method comprises the following steps:
step one, installation of a hoist:
installing two hoists at the missile hanging position of the aircraft; the two hoists are symmetrically arranged, and the projection of the center of the axis connecting line of the steel wire rope drums (7) in the two hoists is superposed with the center of the missile hanging position of the aircraft;
step two, lowering the steel wire rope in the hoister:
step 201, operating a steel wire rope reel (7) to rotate through an electric mechanism or a manual mechanism, enabling the steel wire rope reel (7) to rotate, and enabling a steel wire rope (10) on the steel wire rope reel (7) to be released through a rope conveying guide mechanism until a first lifting lug (10-1) and a second lifting lug (10-2) in the steel wire rope (10) descend to a bullet hanging frame;
step 202, connecting a first lifting lug (10-1) and a second lifting lug (10-2) of a steel wire rope (10) in two hoists with four lifting holes of a missile hanging frame; the four lifting holes are arranged in a rectangular surrounding mode, and the missile hanging frame is provided with a missile;
step three, lifting the steel wire rope in the lifter to drive the bullet hanging frame to lift:
the steel wire rope reel (7) is operated to rotate reversely through an electric mechanism or a manual mechanism, the steel wire rope reel (7) rotates reversely, a steel wire rope (10) is wound on the steel wire rope reel (7) through the rope conveying guide mechanism, and in the winding process of the steel wire rope (10), the first lifting lug (10-1) and the second lifting lug (10-2) drive the bullet hanging frame to be lifted until the bullet hanging frame is lifted to a bullet hanging requirement position.
2. The use method of the aircraft missile hoisting machine as claimed in claim 1, characterized in that: in the step 201, the steel wire rope reel (7) is operated by an electric mechanism to rotate, and the specific process is as follows:
2011, operating the servo motor (1) to rotate, wherein the servo motor (1) rotates to drive the first planet wheel (2-3) and the first planet wheel frame (2-2) to rotate through the rotation of the first sun wheel (2-4);
step 2012, the first planet wheel carrier (2-2) rotates to drive the second sun wheel (3-4) to rotate through the second sun wheel shaft (3-4-1), and the second sun wheel (3-4) rotates to drive the second planet wheel (3-3) and the second planet wheel carrier (3-2) to rotate;
step 2013, the second planet wheel (3-3) rotates to drive the transmission shaft (3-6-2) in the transmission piece (3-6) to rotate, and the transmission shaft (3-6-2) rotates to drive the power shaft (11-1) to rotate sequentially through the first transmission gear (5-1), the second transmission gear (5-2), the third transmission gear (5-3) and the fourth transmission gear (5-4);
meanwhile, the second planet carrier (3-2) rotates to drive the middle sun gear (8-4) on the straight rod planet carrier part (3-2-2) in the second planet carrier (3-2) to rotate;
step 2014, the middle sun wheel (8-4) rotates to drive the middle planet wheel (8-3) to rotate, and the middle planet wheel (8-3) rotates to drive the steel wire rope reel (7) to rotate through the middle inner gear ring (8-5);
in the third step, the steel wire rope reel (7) is operated by an electric mechanism to rotate reversely, and the specific process is as follows:
and (4) operating the servo motor (1) to rotate reversely, and driving the steel wire rope reel (7) to rotate reversely according to the method from step 2012 to step 2014.
3. The use method of the aircraft missile hoisting machine as claimed in claim 1, characterized in that: in step 201, a manual mechanism operates a steel wire rope reel (7) to rotate, and the specific process is as follows:
step 201A, operating a manual input shaft (4-2) to rotate, wherein the manual input shaft (4-2) rotates to drive a worm wheel (4-7) to rotate through a first reversing bevel gear (4-3), a second reversing bevel gear (4-6) and a worm (4-4), and the worm wheel (4-7) rotates to drive a second planet wheel (3-3) to rotate through a second gear ring (3-5);
step 201B, the second planet wheel (3-3) rotates to drive the transmission part (3-6) and the second planet wheel carrier (3-2) to rotate, and the steel wire rope reel (7) is driven to rotate according to the method in the step 2013 and the step 2014;
in the third step, the steel wire rope reel (7) is operated by a manual mechanism to rotate reversely, and the specific process is as follows:
and operating the manual input shaft (4-2) to rotate reversely, and driving the steel wire rope reel (7) to rotate reversely according to the method from the step 201A to the step 201B.
4. The use method of the aircraft missile lifting machine as claimed in claim 1, characterized in that: in step 201, the steel wire rope (10) is released through the rope conveying guide mechanism, and the specific process is as follows:
in the process that the fourth transmission gear (5-4) drives the power shaft (11-1) to rotate, the power shaft (11-1) drives the rope conveying power wheel (11-8) to rotate so as to convey the rope of the steel wire rope (10), and meanwhile, the steel wire rope winding drum (7) rotates so that the guide seat (11-6) and the rope conveying power wheel (11-8) move along the axial direction of the power shaft (11-1), so that the steel wire rope winding drum (7) drives the steel wire rope (10) between the rope conveying power wheel (11-8) and the guide wheel (11-5) in the guide seat (11-6) to guide and release the rope when rotating;
in step 201, the steel wire rope (10) is wound through the rope conveying guide mechanism, and the specific process is as follows:
in the process that the fourth transmission gear (5-4) drives the power shaft (11-1) to rotate reversely, the power shaft (11-1) drives the rope conveying power wheel (11-8) to rotate reversely so as to take up the steel wire rope (10), and meanwhile, the steel wire rope winding drum (7) rotates so as to enable the guide seat (11-6) and the rope conveying power wheel (11-8) to move reversely along the axial direction of the power shaft (11-1), so that the steel wire rope winding drum (7) drives the steel wire rope (10) between the rope conveying power wheel (11-8) and the guide wheel (11-5) in the guide seat (11-6) to conduct guiding winding when rotating reversely;
in the second step, in the process of lifting the missile hanging frame, a distance measuring sensor on the missile hanging frame detects the distance between the missile hanging frame and a missile hanging position of the aircraft, and when the distance detected by the distance measuring sensor is not more than 30mm, the bottoms of a first lifting lug (10-1) and a second lifting lug (10-2) in two lifting machines are checked and ensured to be positioned on the same height plane, so that the missile hanging frame is kept in a horizontal state; then the two hoists drive the bullet hanging frame to be lifted continuously in a horizontal state through the first lifting lug (10-1) and the second lifting lug (10-2) until the bullet hanging frame is lifted to a bullet hanging required position.
CN202110167940.XA 2021-02-07 2021-02-07 Using method of aircraft missile hanging elevator Active CN112938797B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110167940.XA CN112938797B (en) 2021-02-07 2021-02-07 Using method of aircraft missile hanging elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110167940.XA CN112938797B (en) 2021-02-07 2021-02-07 Using method of aircraft missile hanging elevator

Publications (2)

Publication Number Publication Date
CN112938797A CN112938797A (en) 2021-06-11
CN112938797B true CN112938797B (en) 2022-11-29

Family

ID=76243127

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110167940.XA Active CN112938797B (en) 2021-02-07 2021-02-07 Using method of aircraft missile hanging elevator

Country Status (1)

Country Link
CN (1) CN112938797B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102388239A (en) * 2009-04-09 2012-03-21 丰田自动车株式会社 Vehicle, vehicle control method and control device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3134872B1 (en) * 2000-01-17 2001-02-13 神鋼電機株式会社 Winding device
JP4269992B2 (en) * 2004-03-24 2009-05-27 トヨタ自動車株式会社 Planetary gear type multi-stage transmission for vehicles
JP4997986B2 (en) * 2007-01-19 2012-08-15 トヨタ自動車株式会社 Control device for hybrid vehicle
CN101844733B (en) * 2010-05-27 2013-05-15 浙江诺和机电有限公司 Electric winch
CN104925691B (en) * 2015-06-15 2017-06-20 浙江诺和机电股份有限公司 A kind of messenger hydraulic capstan
CN110589702A (en) * 2019-09-12 2019-12-20 合肥神马科技集团有限公司 Double-roller hydraulic winch
CN111043261A (en) * 2019-12-31 2020-04-21 泰安宏辉机械有限公司 Double-transmission planetary mechanism
CN111924735A (en) * 2020-08-29 2020-11-13 大连华锐重工集团股份有限公司 Clutch type rope-threading hoisting mechanism for crane

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102388239A (en) * 2009-04-09 2012-03-21 丰田自动车株式会社 Vehicle, vehicle control method and control device

Also Published As

Publication number Publication date
CN112938797A (en) 2021-06-11

Similar Documents

Publication Publication Date Title
CN101712432B (en) Gear driving machine with gear shifting mechanism
CN112960579B (en) Aircraft hangs and plays and uses lifting machine
CN201610345U (en) Novel shaft hoisting device
CN209369413U (en) Lifting overturning performing art device
CN211811612U (en) Wheel elevating system and four-way shuttle
CN112938797B (en) Using method of aircraft missile hanging elevator
CN104743432B (en) Integral safety drive device
CN214456419U (en) Transmission device of lifting machine for aircraft missile hanging
CN103979387A (en) Winch type elevator main machine
CN102094538B (en) Self-steering elevator stage
CN110395639B (en) Civil engineering construction is with safe type elevating gear
CN214456418U (en) Transmission mechanism of lifting machine for aircraft missile hanging
CN116085428A (en) Reverse double-output-shaft multistage speed reducer with self-locking function
CN209702170U (en) A kind of oil-well rig AC frequency modulation electric hoister
CN206427968U (en) A kind of modified self-assembly spiral lift device
CN214422057U (en) 6 than 1 and tow elevator that structure is S type distribution
CN201634296U (en) Geared traction machine with speed-change mechanism
CN110127572B (en) Double-side backpack type industrial elevator mechanism and installation and working method thereof
CN2344373Y (en) Integral screw-driven friction brake hoister
CN215711346U (en) Double-lifting-point lifting system
CN111180854A (en) Self-rotating lifting rod
CN202848961U (en) Miniature electric hoist
CN208996484U (en) It is a kind of to pitch servo-actuated wiring armed lever mechanism and crossing frame
CN108116997B (en) H-shaped power transmission bearing structure for winch
CN201473242U (en) Manual winch

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant