CN211770146U

CN211770146U - Lifting device for aviation electrical maintenance

Info

Publication number: CN211770146U
Application number: CN202020309904.3U
Authority: CN
Inventors: 朱立锋
Original assignee: Shanghai Dayuan Aviation Technology Co ltd
Current assignee: Shanghai Dayuan Aviation Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-10-27
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses an elevating gear is used in aviation electrical maintenance, including base, support column and extending structure, positive and negative motor is installed to base one side, the welding of output shaft top of positive and negative motor has the lead screw, the belt has been cup jointed on the output shaft of positive and negative motor, the belt other end has cup jointed the driven shaft, first lantern ring and the second lantern ring have not been cup jointed to both ends on lead screw and the driven shaft equally divide, first lantern ring and second lantern ring top have all welded the connecting block, the connecting block top all is connected with the spliced pole, two through the bearing the top of spliced pole is connected with same support column through the bearing, support column top and maintenance platform bottom welded connection, base top four corners has all welded extending structure. The utility model discloses only use a actuating mechanism to accomplish and go up and down, the lift degree is unanimous all the time, and the device price is lower. The device can not displace during maintenance, and the maintenance platform can not rock during lifting, thereby ensuring the personal safety of maintenance personnel.

Description

Lifting device for aviation electrical maintenance

Technical Field

The utility model relates to an avionics technical field especially relates to an elevating gear is used in avionics maintenance.

Background

Aviation electrical equipment is the consumer on the aircraft promptly, need maintain it when aviation electrical breaks down, but aviation electrical equipment is highly different, and some electrical equipment height is higher needs maintenance personnel to stand and maintain on elevating gear.

The existing lifting device for aviation and electrical maintenance is complex in structure, a plurality of driving devices are needed to complete lifting, the matching among the driving devices is complex and difficult to match and unify, and the device price is high; the existing lifting device for aviation and electrical maintenance is easy to displace after being moved to a maintenance place, and is easy to shake during lifting, so that the personal safety of maintenance personnel is difficult to guarantee, and the maintenance personnel are inconvenient to maintain.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lifting device for aviation electrical maintenance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lifting device for aviation and electrical maintenance comprises a base, a supporting column, a bottom plate and a telescopic structure, a positive and negative motor is arranged on one side of the base, the output shaft of the positive and negative motor extends into the base, the top end of the output shaft of the positive and negative motor is welded with a screw rod, the part of the output shaft of the positive and negative motor, which is positioned outside the base, is sleeved with a belt, the other end of the belt is sleeved with a driven shaft, the driven shaft extends into the base, a first lantern ring and a second lantern ring are respectively sleeved at the two ends of the screw rod and the driven shaft, the top parts of the first lantern ring and the second lantern ring are respectively welded with a connecting block, the top parts of the connecting blocks are respectively connected with a connecting column through a bearing, the top ends of the two connecting columns are connected with the same supporting column through the bearing, the supporting column top and the maintenance platform bottom are connected in a welding mode, and four corners of the top of the base are all welded with telescopic structures.

Preferably, the screw rod and one end of the driven shaft surface where the first sleeve ring is located are provided with positive threads, the inner wall of the first sleeve ring is provided with negative threads, and the positive threads are matched with the negative threads.

Preferably, reverse threads are arranged at one end where the second sleeve ring is arranged on the surface of the screw rod and the driven shaft, positive threads are arranged on the inner wall of the second sleeve ring, and the positive threads are matched with the reverse threads.

Preferably, the extending structure comprises a sleeve and an extending rod, the sleeve is provided with a plurality of layers, the inner walls of two sides of the sleeve are provided with grooves, the two sides of the bottom of the extending rod are welded with lugs, and the lugs are located inside the grooves and connected with the grooves in a sliding mode.

Preferably, the top end of the telescopic rod is connected with the bottom of the maintenance platform in a welded mode, cushion blocks are welded on two sides of the top of the base, and the cushion blocks are located under the supporting columns.

Preferably, the four corners of the bottom of the base are welded with idler wheels, the middle of the bottom of the base is provided with a jack, the bottom of the jack is welded with a bottom plate, and the idler wheels penetrate through the bottom plate.

Preferably, two limiting discs are welded on the output shaft and the driven shaft of the positive and negative motors, and the two limiting discs are located on two sides of the belt respectively.

The utility model has the advantages that:

1. the utility model discloses a positive and negative motor drives the lead screw and rotates, and rethread belt drives the driven shaft and rotates, makes the first lantern ring on lead screw and the driven shaft and the second lantern ring motion in opposite directions simultaneously to it rises to make the maintenance platform rise to drive the support column, only uses a actuating mechanism to accomplish and goes up and down, and simple structure just need not the cooperation, and the degree of going up and down is unanimous all the time, and the device price is lower.

2. When the lifting device of the utility model is moved to a maintenance place, the bottom plate is jacked to the ground by the jack, and the device can not displace when being fixed; and the four corners of the maintenance platform are fixed through the telescopic structures, so that the maintenance platform cannot shake, the personal safety of maintenance personnel is guaranteed, and the maintenance is convenient for the maintenance personnel to maintain.

Drawings

Fig. 1 is a schematic structural view of a lifting device for aviation electrical maintenance provided by the present invention;

fig. 2 is a schematic lifting diagram of a lifting device for aviation electrical maintenance provided by the present invention;

fig. 3 is a top view of a base of the lifting device for aviation electrical maintenance provided by the present invention;

fig. 4 is the utility model provides an aviation is elevating gear's for electrical maintenance's extending structure sketch map.

In the figure: 1. maintaining the platform; 2. a telescopic structure; 3. connecting blocks; 4. a first collar; 5. a base; 6. a support pillar; 7. connecting columns; 8. a screw rod; 9. a second collar; 10. a positive and negative motor; 11. cushion blocks; 12. a jack; 13. a base plate; 14. a roller; 15. a driven shaft; 16. a belt; 17. a sleeve; 18. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a lifting device for aviation and electrical maintenance comprises a base 5, support columns 6, a bottom plate 13 and a telescopic structure 2, wherein a positive and negative motor 10 is installed on one side of the base 5, an output shaft of the positive and negative motor 10 extends into the base 5, a screw rod 8 is welded at the top end of the output shaft of the positive and negative motor 10, a belt 16 is sleeved on the part of the output shaft of the positive and negative motor 10, the other end of the belt 16 is sleeved with a driven shaft 15, the driven shaft 15 extends into the base 5, a first sleeve ring 4 and a second sleeve ring 9 are respectively sleeved at two ends of the screw rod 8 and the driven shaft 15, connecting blocks 3 are welded at the tops of the first sleeve ring 4 and the second sleeve ring 9, connecting columns 7 are connected at the tops of the connecting blocks 3 through bearings, the top ends of the two connecting columns 7 are, the four corners of the top of the base 5 are welded with telescopic structures 2.

The utility model discloses in, the one end at the first lantern ring 4 place in

lead screw

8 and 15 surfaces of driven shaft is equipped with positive screw thread, and 4 inner walls of first lantern ring are equipped with the left-hand thread, and positive screw thread and left-hand thread looks adaptation. The screw rod 8 and the driven shaft 15 surface second collar 9 place one end be equipped with the reverse thread, and the second collar 9 inner wall is equipped with the positive screw thread, and positive screw thread and reverse thread looks adaptation. The telescopic structure 2 comprises a sleeve 17 and a telescopic rod 18, the sleeve 17 is provided with a plurality of layers, the inner walls of two sides of the sleeve 17 are provided with grooves, the two sides of the bottom of the telescopic rod 18 are welded with lugs, and the lugs are located inside the grooves and connected with the grooves in a sliding mode. 18 tops of telescopic link and 1 bottom welded connection of maintenance platform, 5 top both sides of base have all welded cushion 11, and cushion 11 is located support column 6 under, and cushion 11 provides the support for support column 6. The four corners of the bottom of the base 5 are welded with the rollers 14, the middle of the bottom of the base 5 is provided with the jack 12, the bottom of the jack 12 is welded with the bottom plate 13, and the rollers 14 penetrate through the bottom plate 13. Two limiting discs are welded on an output shaft of the positive and negative motor 10 and the driven shaft 15, the two limiting discs are located on two sides of the belt 16 respectively, and the limiting discs limit the belt 16 to enable the belt to be incapable of displacing.

The working principle is as follows: when the lifting device is moved to a maintenance place by using the roller 14, the jack 12 is started to jack the bottom plate 13 to the ground, and the device is fixed and cannot be displaced; maintenance personal steps on maintenance platform 1, start positive and negative motor 10 and drive lead screw 8 and rotate, rethread belt 16 drives driven shaft 15 and rotates, make first lantern ring 4 and second lantern ring 9 on lead screw 8 and the driven shaft 15 move in opposite directions simultaneously, thereby it makes maintenance platform 1 rise to drive support column 6 to rise, only use a actuating mechanism to accomplish and go up and down, moreover, the steam generator is simple in structure and need not the cooperation, the degree of going up and down is unanimous all the time, the device price is lower, and make its unable emergence rock through the four corners of the fixed maintenance platform 1 of extending structure 2, maintenance personal's personal safety has been guaranteed, the maintenance personal of being convenient for maintains

Having shown and described the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as exemplary and not limiting in any way, since the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and are therefore not to be embraced therein by any reference numerals in the claims.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an aviation is elevating gear for electrical maintenance, includes base (5), support column (6), bottom plate (13) and extending structure (2), its characterized in that, positive and negative motor (10) are installed to base (5) one side, the output shaft of positive and negative motor (10) stretches into inside base (5), the welding of the output shaft top of positive and negative motor (10) has lead screw (8), belt (16) have been cup jointed on the part that the output shaft of positive and negative motor (10) is located base (5) outside, belt (16) other end has cup jointed driven shaft (15), driven shaft (15) stretch into inside base (5), first lantern ring (4) and second lantern ring (9) have been equallyd divide at both ends on lead screw (8) and driven shaft (15) and have respectively cup jointed, connecting block (3) have all been welded at first lantern ring (4) and second lantern ring (9) top, connecting block (3) top all is connected with spliced pole (7), two through the bearing the top of spliced pole (7) is connected with same support column (6) through the bearing, support column (6) top and maintenance platform (1) bottom welded connection, base (5) top four corners all welds and has extending structure (2).

2. The lifting device for aviation electrical maintenance according to claim 1, wherein the screw rod (8) and the driven shaft (15) are provided with positive threads at one end where the first sleeve ring (4) is located, the inner wall of the first sleeve ring (4) is provided with reverse threads, and the positive threads are matched with the reverse threads.

3. The lifting device for aviation and electrical maintenance according to claim 2, wherein one end of the second sleeve ring (9) on the surface of the screw rod (8) and the driven shaft (15) is provided with a reverse thread, the inner wall of the second sleeve ring (9) is provided with a positive thread, and the positive thread is matched with the reverse thread.

4. The lifting device for aviation and electrical maintenance of claim 3, wherein the telescopic structure (2) comprises a sleeve (17) and a telescopic rod (18), the sleeve (17) is provided with a plurality of layers, grooves are formed in the inner walls of two sides of the sleeve (17), and protruding blocks are welded on two sides of the bottom of the telescopic rod (18) and located inside the grooves and connected with the grooves in a sliding manner.

5. The lifting device for aviation and electrical maintenance of claim 4, wherein the top end of the telescopic rod (18) is welded to the bottom of the maintenance platform (1), two sides of the top of the base (5) are welded with cushion blocks (11), and the cushion blocks (11) are located right below the supporting columns (6).

6. The lifting device for aviation electrical maintenance according to claim 5, wherein the rollers (14) are welded at four corners of the bottom of the base (5), the jack (12) is installed at the middle of the bottom of the base (5), the bottom plate (13) is welded at the bottom of the jack (12), and the rollers (14) penetrate through the bottom plate (13).

7. The lifting device for aviation and electrical maintenance according to claim 6, wherein two limiting discs are welded on the output shaft of the positive and negative motor (10) and the driven shaft (15), and the two limiting discs are respectively located on two sides of the belt (16).