Auxiliary lifting bracket for equipment installation

By designing a lifting bracket for aircraft propeller renovation, the multi-angle observation and maintenance problems during propeller renovation in the prior art are solved, and efficient multi-angle rotation and observation are achieved, reducing the risk of human resources waste and installation components damage.

CN222846386UActive Publication Date: 2025-05-09CIVIL AVIATION FLIGHT UNIV OF CHINA
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421942676.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-05-09
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

During the renovation of aircraft propellers, it is difficult for the prior art to achieve efficient multi-angle observation and maintenance, resulting in high labor intensity, waste of human resources and easy damage to installed components.

Method used

An auxiliary lift bracket for equipment installation is designed, including a rack, lifting components and a touch screen control system. The multi-angle rotation and observation of the propeller are realized through the lifting components to reduce the manpower cooperation needs.

Benefits of technology

The device effectively reduces the pressure of multiple people in flipping, reduces the pulling strength, realizes convenient observation and maintenance of aircraft propellers at multiple angles, and improves the convenience of later maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222846386U_ABST
    Figure CN222846386U_ABST
Patent Text Reader

Abstract

The utility model relates to an auxiliary lifting bracket for equipment installation. According to the technical scheme, vertical arms are fixedly installed on the front portion and the rear portion of a bottom plate of a rack, a lead screw is installed between the front vertical arm and the rear vertical arm, a lifting assembly is installed in the middle of the lead screw in a sleeved mode and comprises a horizontal plate, and the left end of the horizontal plate is installed on the lead screw in a sleeved mode. First fixing lugs are symmetrically installed on the left side and the right side of the rotating disc, a rotating rod is rotationally inserted between the left first fixing lug and the right first fixing lug, an adjusting rod is perpendicularly arranged on the upper portion of the rotating rod in a crossed mode, and a rocker arm is installed at the front end of the adjusting rod through a disc. The adjusting rod and the rotating rod are in connection transmission by sleeving a worm gear and a worm, and the right end of the rotating rod is fixedly connected with a mounting disc. The propeller overturning device has the advantages that the propeller can be conveniently controlled to overturn, labor intensity is relieved, and convenience of maintenance and overhaul is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the field of aircraft propeller maintenance and renovation auxiliary devices and relates to an equipment installation auxiliary lifting bracket. Background Art

[0002] The Cirrus SR20 aircraft is a single-engine piston engine with a variable pitch propeller that needs to be overhauled after 2400 hours or 6 years of use. Overhaul involves disassembly and assembly of the propeller, which requires the cooperation of multiple people, which is labor-intensive. At the same time, it is extremely inconvenient to flip and observe the aircraft propeller. This method not only seriously wastes human resources, but also causes damage to the sealing rubber ring and installation thread due to inadequate coordination.

[0003] Therefore, the utility model provides an equipment installation auxiliary lifting bracket to solve the above problems. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses an equipment installation auxiliary lifting bracket, the technical solution adopted is that it includes a frame, the frame includes a base, the front and rear side walls of the right end of the base are respectively fixedly connected to the right side with an extension arm, the upper surface of the base is fixedly installed on the right side of the bottom plate, the front and rear vertical arms are fixedly installed on the bottom plate, the upper, middle and lower parts of the left side walls of the front and rear vertical arms are respectively fixedly connected with reinforcing plates, the upper and lower sides of the opposite side between the front and rear vertical arms are respectively fixedly connected with screw fixing plates, the upper and lower screw fixing plates are respectively rotatably sleeved together with the upper and lower ends of the screw, the middle of the screw is sleeved with a lifting component, and the lifting component The present invention comprises a horizontal plate with a left end sleeved on the screw rod, a first motor is installed on the lower side wall of the right end of the horizontal plate, an output shaft of the first motor passes through one end of the horizontal plate and is fixedly connected to a rotating disk, first fixing ears are symmetrically installed on the left and right sides of the rotating disk, a rotating rod is rotatably inserted between the left and right first fixing ears, an adjusting rod is vertically cross-arranged on the upper part of the rotating rod, a rocker arm is installed through a disc at the front end of the adjusting rod, front and rear sides of the adjusting rod are respectively rotatably inserted in second fixing ears on the front and rear sides of the rotating disk, the adjusting rod and the rotating rod are connected and transmitted through a sleeved worm gear, and the right end of the rotating rod is fixedly connected to the mounting disk.

[0005] As a preferred solution of the utility model, universal wheels are respectively installed on the front and rear corners of the left side of the lower side wall of the base and the lower sides of the right ends of the front and rear extension arms; by using universal wheels, the device can be easily moved.

[0006] As a preferred solution of the utility model, guide rails are respectively installed on the right side walls of the front and rear vertical arms, and sliders are respectively installed on the guide rails; by adopting the cooperation of the guide rails and the sliders, the support of the lifting assembly is achieved, and the stability of its up and down sliding after being subjected to force is improved.

[0007] As a preferred solution of the utility model, the front and rear sliders are respectively fixedly connected to the lower left end of the triangular reinforcement rib, and the left and right ends of the upper side of the triangular reinforcement rib are respectively fixedly connected to the left and right sides of the front and rear side walls of the horizontal plate.

[0008] As a preferred solution of the utility model, a plurality of notches are provided on the circumferential edge of the mounting plate; by providing a plurality of notches on the circumferential edge of the mounting plate, it is convenient to install and fix the fixing bolts of aircraft propellers with different specifications and layouts, thereby improving its adaptability.

[0009] As a preferred solution of the utility model, the lower end of the screw rod is fixedly mounted on the first sprocket, the chain is mounted on the first sprocket, the left end of the chain is mounted on the second sprocket, the second sprocket fixing sleeve is mounted on the output shaft of the second motor, the second motor is fixedly mounted on the left side wall of the lower reinforcing plate, and a touch screen is also installed in the middle of the front side wall of the front vertical arm; the second motor is used to drive the second sprocket to rotate, and the chain and the first sprocket are used to transmit the transmission, thereby driving the screw rod to rotate, thereby realizing the up and down movement of the lifting assembly.

[0010] The beneficial effects of the utility model include: controlling the second motor to rotate the second sprocket through the touch screen, and then driving the lead screw to rotate through the chain and the first sprocket to realize the up and down movement of the lifting assembly, which is convenient for fixing the aircraft propeller to the mounting plate at the right end of the lifting assembly; controlling the rotation of the first motor through the touch screen to realize the clockwise or counterclockwise rotation of the aircraft propeller within a certain angle range in the horizontal direction; driving the adjusting rod to rotate through the hand-cranked rocker arm, and driving the rotating rod to rotate through the transmission of the worm gear to realize the clockwise or counterclockwise rotation of the aircraft propeller in the vertical direction, effectively reducing the pressure of multiple people cooperating in the flipping, and reducing the pulling strength, thereby realizing multi-angle observation and maintenance of the aircraft propeller, and improving the convenience of later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the frame of the utility model;

[0013] Figure 3 It is a schematic diagram of the lifting component of the utility model.

[0014] In the figure: 1-frame, 2-screw rod, 3-lifting assembly, 4-first sprocket, 5-chain, 6-second sprocket, 7-second motor, 8-touch screen, 11-base, 12-extension arm, 13-bottom plate, 14-vertical arm, 15-reinforcement plate, 16-screw rod fixing plate, 17-universal wheel, 18-guide rail, 19-slider, 191-triangular reinforcement rib, 31-horizontal plate, 32-first motor, 33-rotating disk, 331-first fixing ear, 332-second fixing ear, 34-rotating rod, 35-adjusting rod, 351-rocker arm, 36-worm gear, 37-mounting disk, 371-slot. DETAILED DESCRIPTION

[0015] Example 1

[0016] like Figures 1 to 3As shown, the utility model discloses an auxiliary lifting bracket for equipment installation, and the technical scheme adopted is that it includes a frame 1, and the frame 1 includes a base 11, and the front and rear side walls of the right end of the base 11 are respectively fixedly connected to the right side with an extension arm 12, and the upper surface of the base 11 is fixedly installed on the right side, and the front and rear vertical arms 14 are fixedly installed on the bottom plate 13, and the upper, middle and lower parts of the left side walls of the front and rear vertical arms 14 are respectively fixedly connected with reinforcing plates 15, and the upper and lower sides of the opposite sides between the front and rear vertical arms 14 are respectively fixedly connected with screw fixing plates 16, and the front and rear corners of the left side of the lower side wall of the base 11 and Universal wheels 17 are respectively installed on the lower right sides of the front and rear extension arms 12, guide rails 18 are respectively installed on the right side walls of the front and rear vertical arms 14, and sliders 19 are respectively installed on the guide rails 18. The front and rear sliders 19 are respectively fixedly connected to the lower left ends of the triangular reinforcing ribs 191, and the upper and lower screw rod fixing plates 16 are respectively rotatably sleeved with the upper and lower ends of the screw rod 2. The middle of the screw rod 2 is sleeved with a lifting component 3, and the lifting component 3 includes a horizontal plate 31 with a left end sleeved on the screw rod 2. The left and right ends of the upper side of the triangular reinforcing rib 191 are respectively fixedly connected to the left and right sides of the front and rear side walls of the horizontal plate 31. A first motor 32 is installed on the lower side wall of the right end of the horizontal plate 31. The output shaft of the first motor 32 passes through one end of the horizontal plate 31 and is fixedly connected to the rotating disk 33. First fixing ears 331 are symmetrically installed on the left and right sides of the rotating disk 33. A rotating rod 34 is rotatably inserted between the left and right first fixing ears 331. An adjusting rod 35 is vertically cross-arranged on the upper part of the rotating rod 34. A rocker arm 351 is installed at the front end of the adjusting rod 35 through a disc. The front and rear sides of the adjusting rod 35 are respectively rotatably inserted in the second fixing ears 332 installed on the front and rear sides of the rotating disk 33. The adjusting rod 35 and the rotating rod 34 are connected. The transmission is connected by means of a worm gear 36, the engagement angle of which is greater than 30 degrees, and effective self-locking can be achieved. The right end of the rotating rod 34 is fixedly connected to a mounting plate 37, and a plurality of notches 371 are provided on the circumferential edge of the mounting plate 37. The lower end of the screw rod 2 is fixedly mounted on a first sprocket 4, a chain 5 is mounted on the first sprocket 4, and the left end of the chain 5 is mounted on a second sprocket 6. The second sprocket 6 is fixedly mounted on the output shaft of a second motor 7, and the second motor 7 is fixedly mounted on the left side wall of the reinforcing plate 15 on the lower side, and a touch screen 8 is also installed in the middle of the front side wall of the front vertical arm 14.

[0017] The working principle of the utility model is as follows: when in use, the second motor 7 is controlled by the touch screen 8 to drive the second sprocket 6 to rotate, and the transmission of the chain 5 and the first sprocket 4 drives the screw rod 2 to rotate, so that the lifting assembly 3 moves downward, and then the bottom bolt of the aircraft propeller is docked and inserted into the notch 371 of the mounting plate 37 at the right end of the lifting assembly 3, and the bolt is tightened, and then the second motor 7 is controlled again by the touch screen 8 to drive the second sprocket 6 to rotate in the opposite direction, and the transmission of the chain 5 and the first sprocket 4 drives the screw rod 2 to rotate in the opposite direction, and the lifting assembly 3 is raised along the frame 1. During maintenance and renovation, the rotation of the first motor 7 is controlled by the touch screen 8 to drive the rotating disk 33 to rotate, so that the aircraft propeller can rotate clockwise or counterclockwise within a certain angle range in the horizontal direction, and the adjusting rod 35 is driven to rotate by the hand-cranked rocker arm 351, and the rotating rod 34 is driven to rotate by the transmission of the worm gear 36, so that the aircraft propeller can rotate clockwise or counterclockwise in the vertical direction, thereby realizing multi-angle observation and maintenance of the aircraft propeller.

[0018] The electrical connection methods or structures not described in detail herein are prior art.

[0019] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. An auxiliary lifting bracket for equipment installation, characterized in that: The machine frame (1) comprises a base (11), wherein the front and rear side walls of the right end of the base (11) are respectively fixedly connected to an extension arm (12) toward the right, a bottom plate (13) is fixedly installed on the right side of the upper surface of the base (11), and vertical arms (14) are fixedly installed on the front and rear sides of the bottom plate (13), and the upper, middle and lower parts of the left side walls of the front and rear vertical arms (14) are respectively fixedly connected to reinforcing plates (15), and the upper and lower sides of the opposite side between the front and rear vertical arms (14) are respectively fixedly connected to screw rod fixing plates (16), and the upper and lower screw rod fixing plates (16) are respectively rotatably sleeved together with the upper and lower ends of the screw rod (2), and a lifting assembly (3) is sleeved in the middle of the screw rod (2), and the lifting assembly (3) comprises a horizontal plate (31) with a left end sleeved on the screw rod (2), and the right end of the horizontal plate (31) is A first motor (32) is installed on the lower side wall of the horizontal plate (31), an output shaft of the first motor (32) passes through one end of the horizontal plate (31) and is fixedly connected to a rotating disk (33), first fixing ears (331) are symmetrically installed on the left and right sides of the rotating disk (33), a rotating rod (34) is rotatably inserted between the left and right first fixing ears (331), an adjusting rod (35) is vertically and cross-arranged on the upper part of the rotating rod (34), a rocker arm (351) is installed at the front end of the adjusting rod (35) through a disc, and the front and rear sides of the adjusting rod (35) are respectively rotatably inserted in second fixing ears (332) installed on the front and rear sides of the rotating disk (33), the adjusting rod (35) and the rotating rod (34) are connected and transmitted through a set worm gear (36), and the right end of the rotating rod (34) is fixedly connected to a mounting disk (37).

2. The equipment installation auxiliary lifting bracket according to claim 1, characterized in that: Universal wheels (17) are respectively installed at the front and rear corners of the left side of the lower side wall of the base (11) and the lower sides of the right ends of the front and rear extension arms (12).

3. The equipment installation auxiliary lifting bracket according to claim 1, characterized in that: The right side walls of the front and rear vertical arms (14) are respectively installed with guide rails (18), and the guide rails (18) are respectively installed with sliders (19).

4. The auxiliary lifting bracket for equipment installation according to claim 3, characterized in that: The front and rear sliding blocks (19) are respectively fixedly connected to the left lower end of the triangular reinforcing rib (191), and the left and right ends of the upper side of the triangular reinforcing rib (191) are respectively fixedly connected to the left and right sides of the front and rear side walls of the horizontal plate (31).

5. The equipment installation auxiliary lifting bracket according to claim 1, characterized in that: A plurality of notches (371) are provided on the circumferential edge of the mounting plate (37).

6. The equipment installation auxiliary lifting bracket according to claim 1, characterized in that: The lower end of the screw rod (2) is fixedly mounted on a first sprocket (4), a chain (5) is mounted on the first sprocket (4), the left end of the chain (5) is mounted on a second sprocket (6), the second sprocket (6) is fixedly mounted on the output shaft of a second motor (7), the second motor (7) is fixedly mounted on the left side wall of the reinforcing plate (15) on the lower side, and a touch screen (8) is also mounted in the middle of the front side wall of the front vertical arm (14).