CN215208029U - Gravity center adjusting structure of hoisting device - Google Patents
Gravity center adjusting structure of hoisting device Download PDFInfo
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- CN215208029U CN215208029U CN202120257366.2U CN202120257366U CN215208029U CN 215208029 U CN215208029 U CN 215208029U CN 202120257366 U CN202120257366 U CN 202120257366U CN 215208029 U CN215208029 U CN 215208029U
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- hoisting
- cross beam
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- connecting lug
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Abstract
The gravity center adjusting structure of the hoisting device comprises a cross beam, wherein the front end and the rear end of the cross beam are connected with a lifting ring through steel cables, an upper adjusting device and a lower adjusting device are arranged between one of the steel cables and the cross beam, a front hoisting assembly is arranged below the front end of the cross beam, and a rear hoisting assembly is connected to the rear end of the cross beam. The up-down distance between the lifting ring and the front end of the cross beam is adjusted through the up-down adjusting device, the up-down gravity center adjustment can be performed on front and back lifting points of the engine by utilizing a lever principle, and the gravity center adjustment on the left and right sides of the engine is realized by the left and right movement of the lead screw through the matching of a screw and the lead screw of the back lifting assembly.
Description
Technical Field
The utility model relates to an aircraft repair tools field, especially a hoist device's focus adjustment structure.
Background
In aircraft maintenance, aircraft engine's routine maintenance is especially important, when examining or maintaining turbofan engine, need often hoist and mount and adjust the gesture operation to the engine, and current hoist device often a hoisting accessory corresponds specific hoisting accessory, can not adjust, therefore needs the hoisting accessory to hold more accurately to the focus when the engine lifts by crane, if the poor pond appears, leads to the accident of lifting by crane easily, if there is a hoist that can carry out focus adjustment when lifting by crane then can greatly reduced risk.
Disclosure of Invention
The utility model aims to solve the technical problem that a hoist device's focus adjustment structure is provided, can be when lifting by crane aeroengine to the upper and lower when lifting by crane with control the focus and adjust.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the gravity center adjusting structure of the hoisting device comprises a cross beam, wherein the front end and the rear end of the cross beam are connected with a lifting ring through steel cables, an upper adjusting device and a lower adjusting device are arranged between one of the steel cables and the cross beam, a front hoisting assembly is arranged below the front end of the cross beam, and a rear hoisting assembly is connected to the rear end of the cross beam.
Both ends connect the ear before the crossbeam and connect the ear behind the crossbeam around foretell crossbeam respectively, connect the ear before the crossbeam and connect the ear behind the crossbeam to be used for being connected with the cable wire, and crossbeam front end tip is equipped with the connecting plate, and the connecting plate is connected with preceding lifting by crane the subassembly, and crossbeam rear end tip is equipped with the reinforcing plate, and the reinforcing plate is connected with back lifting by crane the subassembly.
Foretell upper and lower adjusting device includes the detachable rings of being connected with the lug before the crossbeam, the detachable rings other end is connected and is connect the lug soon down, connect the lug upper end soon down and be connected with adjustable connecting rod, the adjustable connecting rod other end connects the lug with the top spin and is connected, the top spin connects the lug to be connected with the cable wire, adjustable connecting rod both ends connect the lug with the top spin and connect the lug with the lower soon for threaded connection, and the screw thread opposite direction, adjustable connecting rod is last to wear to have an upper and lower regulation pull rod, reach the distance through rotating the upper and lower regulation pull rod and connect between the lug and adjust before rings and the crossbeam.
The front lifting assembly comprises a front lifting steel cable connected with the connecting plate, the lower end of the front lifting steel cable is provided with a lifting lug, and the lifting lug is connected with an object to be lifted through a bolt.
The rear lifting assembly comprises an adjusting support plate connected with the rear end of the cross beam, two extending cantilevers are arranged on the adjusting support plate, a screw nut is arranged between the two cantilevers in a rotating connection mode, the screw rod penetrates through the screw nut and is connected with the screw nut in a meshing mode, the limiting pin penetrates through one of the two cantilevers and is embedded into a limiting sliding groove in the screw rod, rear lifting lugs are arranged at two ends of the screw rod, a lifting assembly is arranged at the lower end of each rear lifting lug, and the lifting assembly is connected with an object to be lifted.
The screw rod comprises a screw rod body, the middle of the screw rod body is provided with a screw rod thread meshed with the screw nut, one side of the screw rod thread is provided with a limiting sliding groove, and the limiting sliding groove is in sliding contact with the limiting pin.
The nut comprises a nut ring column, nut threads are arranged in the nut ring column and are meshed with the lead screw, a protruding rotary pulling ring is arranged in the middle of the nut ring column, and rotary pulling holes are arranged on the surface of the rotary pulling ring in a surrounding mode.
The size of the rotary pulling hole is matched with the front ends of the left and right adjusting pull rods, and the left and right adjusting pull rods are used for pulling the left and right positions of the rotary pulling ring adjusting screw rod.
The utility model provides a pair of hoist device's focus adjustment structure adjusts the upper and lower distance between rings and the crossbeam front end through upper and lower adjusting device, can utilize lever principle to carry out focus adjustment from top to bottom to the hoisting point around the engine, through the cooperation of the screw of back hoisting assembly and lead screw for the focus adjustment about the drunkenness realization is controlled the engine is controlled to the lead screw, the device simple structure, convenient practicality is fit for using widely in aviation maintenance field.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a cross beam;
FIG. 3 is a schematic structural view of the up-down adjusting device;
FIG. 4 is a schematic structural view of the front lift assembly;
FIG. 5 is a schematic structural view of the rear lift assembly;
FIG. 6 is a cross-sectional view of the rear hoist assembly;
FIG. 7 is a schematic structural view of a lead screw;
fig. 8 is a schematic structural view of the nut.
In the figure: the lifting device comprises a cross beam 1, a cross beam front connecting lug 101, a cross beam rear connecting lug 102, a connecting plate 103, a reinforcing plate 104, a lifting ring 2, a steel cable 3, an up-down adjusting device 4, an up-down connecting lug 41, a down-down connecting lug 42, an adjustable connecting rod 43, an up-down adjusting lever 44, a detachable lifting ring 45, a front lifting assembly 5, a front end lifting steel cable 51, a lifting connecting lug 52, a bolt 53, a rear lifting assembly 6, an adjusting supporting plate 61, a screw rod 62, a screw rod body 621, a screw rod thread 622, a limiting sliding groove 623, a rear lifting connecting lug 63, a nut 64, a nut ring column 641, a rotating plate ring 642, a rotating plate hole 643, a nut thread 644, a limiting pin 65 and a left-right adjusting lever 7.
Detailed Description
As shown in fig. 1 to 8, a gravity center adjusting structure of a hoisting device comprises a cross beam 1, wherein the front end and the rear end of the cross beam 1 are connected with hoisting rings 2 through steel cables 3, an up-down adjusting device 4 is arranged between one steel cable 3 and the cross beam 1, a front hoisting assembly 5 is arranged below the front end of the cross beam 1, the rear end of the cross beam 1 is connected with a rear hoisting assembly 6, the up-down center of hoisting is adjusted through the up-down adjusting device 4, and the left-right adjustment is performed through the rear hoisting assembly 6.
The front end and the rear end of the crossbeam 1 are respectively provided with a crossbeam front connecting lug 101 and a crossbeam rear connecting lug 102, the crossbeam front connecting lug 101 and the crossbeam rear connecting lug 102 are used for being connected with a steel cable 3, the end part of the front end of the crossbeam 1 is provided with a connecting plate 103, the connecting plate 103 is connected with the front lifting assembly 5, the end part of the rear end of the crossbeam 1 is provided with a reinforcing plate 104, the reinforcing plate 104 is connected with the rear lifting assembly 6, and the crossbeam front connecting lug 101 and the crossbeam rear connecting lug 102 are used for realizing stable connection between the crossbeam 1 and the lifting ring 2.
The up-down adjusting device 4 comprises a detachable lifting ring 45 connected with a front connecting lug 101 of the cross beam, the other end of the detachable lifting ring 45 is connected with a lower rotary connecting lug 42, the upper end of the lower rotary connecting lug 42 is connected with an adjustable connecting rod 43, the other end of the adjustable connecting rod 43 is connected with an upper rotary connecting lug 41, the upper rotary connecting lug 41 is connected with the steel cable 3, the two ends of the adjustable connecting rod 43 are in threaded connection with the upper rotary connecting lug 41 and the lower rotary connecting lug 42, the thread directions are opposite, an up-down adjusting lever 44 penetrates through the adjustable connecting rod 43, the distance between the lifting ring 2 and the front connecting lug 101 of the cross beam is adjusted by rotating the up-down adjusting lever 44, and when the adjustable connecting rod 43 is moved, the upper rotary connecting lug 41 and the lower rotary connecting lug 42 are close to or far away from each other through threads in opposite rotating directions at the two ends of the adjustable connecting rod 43.
The front lifting assembly 5 comprises a front lifting steel cable 51 connected with the connecting plate 103, the lower end of the front lifting steel cable 51 is provided with a lifting lug 52, and the lifting lug 52 is connected with an object to be lifted through a bolt 53.
The rear lifting assembly 6 comprises an adjusting support plate 61 connected with the rear end of the cross beam 1, two extending cantilevers are arranged on the adjusting support plate 61, a screw nut 64 connected in a rotating mode is arranged between the two cantilevers, the lead screw 62 penetrates through the screw nut 64 and is connected with the screw nut in a meshing mode, the limiting pin 65 penetrates through one of the two cantilevers and is connected with a limiting sliding groove 623 embedded in the lead screw 62, rear lifting lugs 63 are arranged at two ends of the lead screw 62, a lifting assembly is arranged at the lower end of each rear lifting lug 63 and is connected with an object to be lifted, the lead screw 62 cannot rotate along the rotation of the screw nut 64 through the limiting matching of the limiting pin 65 and the limiting sliding groove 623, and when the screw nut 64 rotates, the meshed lead screw 62 slides left and right along the groove line direction of the limiting sliding groove 623.
The screw 62 comprises a screw lever body 621, a screw thread 622 engaged with the screw nut 64 is arranged in the middle of the screw lever body 621, a limit sliding groove 623 is arranged on one side of the screw thread 622, and the limit sliding groove 623 is in sliding contact with the limit pin 65.
The nut 64 comprises a nut ring column 641, a nut thread 644 is arranged in the nut ring column 641, the nut thread 644 is engaged with the lead screw 62, a protruding rotating plate ring 642 is arranged in the middle of the nut ring column 641, and rotating plate holes 643 which are arranged in a surrounding mode are arranged on the surface of the rotating plate 642.
The size of the rotating plate hole 643 is matched with the front end of the left-right adjusting lever 7, and the left-right adjusting lever 7 is used for adjusting the left-right position of the screw rod 62 by pulling the rotating plate ring 642.
Claims (8)
1. The utility model provides a hoist device's focus adjustment structure, characterized by: the hoisting device comprises a cross beam (1), wherein the front end and the rear end of the cross beam (1) are connected with hoisting rings (2) through steel cables (3), an upper and lower adjusting device (4) is arranged between one steel cable (3) and the cross beam (1), a front hoisting assembly (5) is arranged below the front end of the cross beam (1), and a rear hoisting assembly (6) is connected to the rear end of the cross beam (1).
2. The gravity center adjusting structure of the hoisting device according to claim 1, wherein the front end and the rear end of the crossbeam (1) are respectively provided with a crossbeam front connecting lug (101) and a crossbeam rear connecting lug (102), the crossbeam front connecting lug (101) and the crossbeam rear connecting lug (102) are used for being connected with the steel cable (3), the front end of the crossbeam (1) is provided with a connecting plate (103), the connecting plate (103) is connected with the front hoisting assembly (5), the rear end of the crossbeam (1) is provided with a reinforcing plate (104), and the reinforcing plate (104) is connected with the rear hoisting assembly (6).
3. The gravity center adjusting structure of the hoisting device according to claim 2, wherein the up-down adjusting device (4) comprises a detachable lifting ring (45) connected with the front connecting lug (101) of the cross beam, the other end of the detachable lifting ring (45) is connected with a lower connecting lug (42), the upper end of the lower connecting lug (42) is connected with an adjustable connecting rod (43), the other end of the adjustable connecting rod (43) is connected with an upper connecting lug (41), the upper connecting lug (41) is connected with the steel cable (3), the two ends of the adjustable connecting rod (43) are in threaded connection with the upper connecting lug (41) and the lower connecting lug (42), the thread directions are opposite, an up-down adjusting lever (44) penetrates through the adjustable connecting rod (43), and the distance between the lifting ring (2) and the front connecting lug (101) of the cross beam is adjusted by rotating the up-down adjusting lever (44).
4. The gravity center adjusting structure of the hoisting device according to claim 2, wherein the front hoisting assembly (5) comprises a front hoisting steel cable (51) connected with the connecting plate (103), the lower end of the front hoisting steel cable (51) is provided with a hoisting lug (52), and the hoisting lug (52) is connected with an object to be hoisted through a bolt (53).
5. The gravity center adjusting structure of the hoisting device according to claim 1, wherein the rear hoisting assembly (6) comprises an adjusting support plate (61) connected with the rear end of the cross beam (1), two extending cantilevers are arranged on the adjusting support plate (61), a screw nut (64) in rotary connection is arranged between the two cantilevers, the screw rod (62) penetrates through the screw nut (64) and is in meshed connection with the screw nut, a limiting pin (65) penetrates through one of the two cantilevers and is embedded into a limiting sliding groove (623) in the screw rod (62), rear hoisting lugs (63) are arranged at two ends of the screw rod (62), a hoisting assembly is arranged at the lower end of each rear hoisting lug (63), and the hoisting assembly is connected with an object to be hoisted.
6. The gravity center adjusting structure of the hoisting device according to claim 5, wherein the screw rod (62) comprises a screw rod body (621), a screw rod thread (622) meshed with the screw nut (64) is arranged in the middle of the screw rod body (621), a limiting sliding groove (623) is arranged on one side of the screw rod thread (622), and the limiting sliding groove (623) is in sliding contact with the limiting pin (65).
7. The gravity center adjusting structure of a hoisting device according to claim 5, wherein the nut (64) comprises a nut ring column (641), a nut thread (644) is arranged in the nut ring column (641), the nut thread (644) is engaged with the lead screw (62), a protruding rotating plate ring (642) is arranged in the middle of the nut ring column (641), and rotating plate holes (643) are circumferentially arranged on the surface of the rotating plate ring (642).
8. The gravity center adjusting structure of a hoisting device according to claim 7, wherein the size of the rotating plate hole (643) is matched with the front end of a left and right adjusting lever (7), and the left and right adjusting lever (7) is used for pulling the rotating plate ring (642) to adjust the left and right position of the screw rod (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120257366.2U CN215208029U (en) | 2021-01-29 | 2021-01-29 | Gravity center adjusting structure of hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120257366.2U CN215208029U (en) | 2021-01-29 | 2021-01-29 | Gravity center adjusting structure of hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215208029U true CN215208029U (en) | 2021-12-17 |
Family
ID=79439095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120257366.2U Active CN215208029U (en) | 2021-01-29 | 2021-01-29 | Gravity center adjusting structure of hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215208029U (en) |
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2021
- 2021-01-29 CN CN202120257366.2U patent/CN215208029U/en active Active
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