CN215402799U

CN215402799U - Electric jack

Info

Publication number: CN215402799U
Application number: CN202120460485.8U
Authority: CN
Inventors: 张海杨; 刘宗涛; 李强宣; 赖建政; 杨昌宇; 匡立祥
Original assignee: Lingyun Yichang Aviation Equipment Engineering Co Ltd; Lingyun Science and Technology Group Co Ltd
Current assignee: Lingyun Yichang Aviation Equipment Engineering Co Ltd; Lingyun Science and Technology Group Co Ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2022-01-04
Anticipated expiration: 2031-03-03

Abstract

The utility model provides an electric jack, wherein a main jacking cylinder body is supported and installed on a top cover of a jacking cylinder transmission box body, a main lifting rod is matched in the main jacking cylinder body through a lead screw transmission mechanism, and the main lifting rod is matched and connected with a jacking power device through a jacking transmission box body; the edge of the top cover is connected with a plurality of groups of outer supporting rods, the other ends of two adjacent outer supporting rods are fixedly provided with outer connecting plates, inclined supporting rods are arranged between the outer connecting plates and the main jacking cylinder body, and the tail ends of the bottoms of the inclined supporting rods are provided with lifting supporting legs; a steering wheel walking device is arranged between two adjacent outer supporting rods through a lifting adjusting mechanism. This electric jack mainly adopts electronic jar to replace traditional hydraulic jack, through adopting the mode replacement hydraulic pressure ability of electric energy, has simplified the structure of whole jack, and it uses more nimble and convenient, and it is convenient to remove moreover.

Description

Electric jack

Technical Field

The utility model belongs to the field of aircraft maintenance devices, and particularly relates to an electric jack.

Background

In the aircraft maintenance process, a jack is required to be used as a jacking device to jack and support an aircraft body, the existing jack mainly adopts a hydraulic jack, the defect that a hydraulic pump station special for cooperation is required in the specific use process of the hydraulic jack is that the jack is inconvenient to move, inflexible to use and large in occupied space.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an electric jack, which mainly adopts an electric cylinder to replace a traditional hydraulic jack and adopts an electric energy mode to replace hydraulic energy, so that the structure of the whole jack is simplified, the electric jack is more flexible and convenient to use and convenient to move.

In order to achieve the technical features, the utility model is realized as follows: the electric jack comprises a main jacking cylinder body, wherein the main jacking cylinder body is supported and installed on a top cover of a jacking cylinder transmission box body, a main lifting rod is matched inside the main jacking cylinder body through a lead screw transmission mechanism, and the main lifting rod is matched and connected with a jacking power device through a jacking transmission box body; the edge of the top cover is connected with a plurality of groups of outer supporting rods, the other ends of two adjacent outer supporting rods are fixedly provided with outer connecting plates, inclined supporting rods are arranged between the outer connecting plates and the main jacking cylinder body, and the tail ends of the bottoms of the inclined supporting rods are provided with lifting supporting legs; a steering wheel walking device is arranged between two adjacent outer supporting rods through a lifting adjusting mechanism.

The jacking power device comprises a main jacking motor, an output shaft of the main jacking motor is connected with a worm gear speed reducer, the worm gear speed reducer is fixedly installed at the top of the top cover, an output shaft of the worm gear speed reducer is connected with an input end of the jacking cylinder transmission box body, and an output end of the jacking cylinder transmission box body is connected with a ball screw mechanism of the main lifting rod in a matched mode.

A hand-cranking handle is arranged on the worm gear speed reducer; the jacking cylinder transmission box body adopts a gear transmission mechanism.

The lifting supporting leg comprises an electric cylinder supporting leg, the electric cylinder supporting leg is fixedly installed at the bottom end of the inclined supporting rod through a supporting and connecting seat, a supporting disc is installed at the tail end of a telescopic rod of the electric cylinder supporting leg, the electric cylinder supporting leg is connected with a supporting leg motor used for driving the electric cylinder supporting leg to lift through a reduction gearbox, and a crank mounting hole is reserved in the reduction gearbox.

The lifting adjusting mechanism comprises a supporting column fixed at the top of the outer supporting rod, a supporting plate is fixedly installed at the top of the supporting column, a lifting adjusting motor is fixed at the top of the supporting plate, the lifting adjusting motor is connected with the lifting plate through a lifting screw rod mechanism, and symmetrically arranged guide rods are installed between the lifting plate and the supporting plate in a matching manner; the steering wheel running gear is arranged at the bottom end of the lifting plate.

The steering wheel running gear adopts AGV self-walking steering wheel, including the rudder frame, the lifter plate bottom at lift adjustment mechanism is fixed to the steering wheel frame, and the steering wheel is installed to the bottom of rudder frame, and the steering wheel links to each other with being used for driving its pivoted traction motor, and the wheel carrier of steering wheel links to each other with the steering mechanism who is used for driving its steering.

The steering mechanism comprises a steering motor, and the steering motor is connected with a wheel carrier main shaft of the steering wheel through a gear transmission mechanism; and a brake is arranged on a wheel shaft of the steering wheel.

The top end of the inclined supporting rod is connected with a cylinder body supporting seat fixed on the main jacking cylinder body through a pin shaft.

And radar ranging sensors are respectively arranged on the inclined supporting rod and the lifting supporting leg.

The utility model has the following beneficial effects:

1. according to the utility model, the electric cylinder is adopted to replace the traditional hydraulic jack, and the hydraulic energy is replaced by adopting an electric energy mode, so that the structure of the whole jack is simplified, the use is more flexible and convenient, and the movement is convenient.

2. The jacking power device adopts an electric mode to realize the jacking operation process of the main lifting rod.

3. By adopting the hand-operated handle, the normal jacking operation can be realized when power is cut off.

4. The height of the supporting legs can be adjusted through the lifting supporting legs, and then the whole device is stably supported.

5. The height of the steering wheel running gear can be adjusted through the lifting adjusting mechanism, and therefore stable contact between the steering wheel running gear and the ground is guaranteed.

6. The AGV self-walking steering wheel is convenient to control through remote control, and the use convenience is improved. Meanwhile, the flexibility of the movement of the device is ensured.

7. The safety of the use of the whole device is ensured by matching the radar ranging sensor with the steering wheel walking device.

Drawings

The utility model is further illustrated by the following figures and examples.

FIG. 1 is a first perspective three-dimensional view of the present invention.

FIG. 2 is a second perspective three-dimensional view of the present invention.

FIG. 3 is a third perspective three-dimensional view of the present invention.

Fig. 4 is a transmission schematic diagram of the main jacking cylinder body of the utility model.

In the figure: the lifting device comprises a main lifting cylinder body 1, a top cover 2, a lifting cylinder transmission box body 3, a hand-operated handle 4, a worm gear speed reducer 5, an outer support rod 6, a support column 7, a support plate 8, a lifting adjusting motor 9, an outer connecting plate 10, a support plate 11, a support connecting seat 12, an electric cylinder support leg 13, a support leg motor 14, a hand-operated handle mounting hole 15, a main lifting motor 16, an inclined support rod 17, a cylinder body support seat 18, a main lifting rod 19, a steering wheel walking device 20, a guide rod 21, a lifting plate 22, a lifting screw rod mechanism 23, a gear transmission mechanism 24, a steering engine frame 25, a steering motor 26, a traction motor 27, a steering wheel 28 and a brake 29.

Detailed Description

Embodiments of the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-4, the electric jack comprises a main jacking cylinder body 1, wherein the main jacking cylinder body 1 is supported and installed on a top cover 2 of a jacking cylinder transmission box body 3, a main lifting rod 19 is matched inside the main jacking cylinder body 1 through a lead screw transmission mechanism, and the main lifting rod 19 is matched and connected with a jacking power device through the jacking transmission box body 3; the edge of the top cover 2 is connected with a plurality of groups of outer supporting rods 6, the other ends of two adjacent outer supporting rods 6 are fixedly provided with an outer connecting plate 10, an inclined supporting rod 17 is arranged between the outer connecting plate 10 and the main jacking cylinder body 1, and the tail end of the bottom of the inclined supporting rod 17 is provided with a lifting supporting leg; a steering wheel running gear 20 is arranged between two adjacent outer support rods 6 through a lifting adjusting mechanism. This electric jack mainly adopts electronic jar to replace traditional hydraulic jack, through adopting the mode replacement hydraulic pressure ability of electric energy, has simplified the structure of whole jack, and it uses more nimble and convenient, and it is convenient to remove moreover. It mainly realizes the jacking operation process through main jacking cylinder body 1, is used for carrying out stable support to whole device at the jacking in-process through the lift supporting leg, is used for adjusting the mounting height of steering wheel running gear 20 through lift adjustment mechanism, finally is used for driving the automatically move and the walking of whole device through steering wheel running gear 20, and then is convenient for its transportation.

Further, the jacking power device comprises a main jacking motor 16, an output shaft of the main jacking motor 16 is connected with a worm gear speed reducer 5, the worm gear speed reducer 5 is fixedly installed at the top of the top cover 2, an output shaft of the worm gear speed reducer 5 is connected with an input end of the jacking cylinder transmission box body 3, and an output end of the jacking cylinder transmission box body 3 is connected with a ball screw mechanism of the main lifting rod 19 in a matched mode. The jacking power device adopts an electric mode to realize the jacking operation process of the main lifting rod 19. In the working process, the worm gear reducer 5 is driven by the main jacking motor 16, the jacking cylinder transmission box body 3 is driven by the worm gear reducer 5, the ball screw nut pair is driven by the jacking cylinder transmission box body 3, and then the main lifting rod 19 is driven by the ball screw nut pair to realize corresponding lifting action.

Further, a hand-cranking handle 4 is arranged on the worm gear speed reducer 5; the jacking cylinder transmission box body 3 adopts a gear transmission mechanism. By adopting the hand-operated handle 4, the normal jacking operation can be realized when power is cut off.

Further, the lift supporting leg includes electric jar landing leg 13, and electric jar landing leg 13 passes through supporting connection seat 12 fixed mounting at the bottom end of bearing diagonal pole 17, and supporting disk 11 is installed to electric jar landing leg 13's telescopic link end, and electric jar landing leg 13 passes through the reducing gear box and links to each other with the landing leg motor 14 that is used for driving its lift, reserves hand crank mounting hole 15 on the reducing gear box. The height of the supporting legs can be adjusted through the lifting supporting legs, and then the whole device is stably supported. In the specific use process, the reduction gearbox is driven by the supporting leg motor 14, the electric cylinder supporting leg 13 is driven by the reduction gearbox, the electric cylinder supporting leg 13 drives the supporting plate 11 to lift, and finally the height is adjusted.

Further, the lifting adjusting mechanism comprises a supporting column 7 fixed at the top of the outer supporting rod 6, a supporting plate 8 is fixedly installed at the top of the supporting column 7, a lifting adjusting motor 9 is fixed at the top of the supporting plate 8, the lifting adjusting motor 9 is connected with a lifting plate 22 through a lifting screw rod mechanism 23, and guide rods 21 which are symmetrically arranged are installed between the lifting plate 22 and the supporting plate 8 in a matching manner; the steering wheel traveling device 20 is installed at the bottom end of the elevation plate 22. The elevation adjustment mechanism can be used for adjusting the height of the steering wheel traveling device 20, thereby ensuring stable contact between the steering wheel traveling device and the ground. In the specific adjusting process, the lifting adjusting motor 9 drives the lifting screw mechanism 23, and the lifting screw mechanism 23 drives the lifting plate 22 to lift.

Further, the steering wheel running gear 20 adopts the AGV from walking the steering wheel, including steering wheel frame 25, steering wheel frame 25 fixes in lift adjustment mechanism's lifter plate 22 bottom, and steering wheel 28 is installed to steering wheel frame 25's bottom, and steering wheel 28 links to each other with being used for driving its pivoted traction motor 27, and steering wheel 28's wheel carrier links to each other with the steering mechanism who is used for driving it to turn to. The steering wheel traveling device 20 can realize automatic traveling of the entire device. The AGV self-walking steering wheel is convenient to control through remote control, and the use convenience is improved. Meanwhile, the flexibility of the movement of the device is ensured.

Further, the steering mechanism comprises a steering motor 26, and the steering motor 26 is connected with a wheel carrier main shaft of the steering wheel 28 through a gear transmission mechanism 24; the brake 29 is mounted on the axle of the steering wheel 28. The steering mechanism can realize steering of the steering wheel.

Further, the top end of the inclined support rod 17 is connected with a cylinder body support seat 18 fixed on the main jacking cylinder body 1 through a pin shaft. The stability of the support of the main jacking cylinder 1 is ensured by the inclined support bar 17.

Furthermore, radar ranging sensors are respectively arranged on the inclined supporting rod 17 and the lifting supporting leg. The safety of the use of the whole device is ensured by matching the radar ranging sensor with the steering wheel walking device 20.

Claims

1. Electric jack, its characterized in that: the jacking device comprises a main jacking cylinder body (1), wherein the main jacking cylinder body (1) is supported and installed on a top cover (2) of a jacking cylinder transmission box body (3), a main lifting rod (19) is matched in the main jacking cylinder body (1) through a lead screw transmission mechanism, and the main lifting rod (19) is matched and connected with a jacking power device through the jacking cylinder transmission box body (3); the edge of the top cover (2) is connected with a plurality of groups of outer supporting rods (6), the other ends of two adjacent outer supporting rods (6) are fixedly provided with outer connecting plates (10), inclined supporting rods (17) are arranged between the outer connecting plates (10) and the main jacking cylinder body (1), and the tail ends of the bottoms of the inclined supporting rods (17) are provided with lifting supporting legs; a steering wheel running gear (20) is arranged between two adjacent outer supporting rods (6) through a lifting adjusting mechanism.

2. The motorized jack of claim 1, wherein: the jacking power device comprises a main jacking motor (16), an output shaft of the main jacking motor (16) is connected with a worm gear speed reducer (5), the worm gear speed reducer (5) is fixedly installed at the top of the top cover (2), an output shaft of the worm gear speed reducer (5) is connected with an input end of the jacking cylinder transmission box body (3), and an output end of the jacking cylinder transmission box body (3) is connected with a ball screw mechanism of the main lifting rod (19) in a matched mode.

3. The motorized jack of claim 2, wherein: a hand crank handle (4) is arranged on the worm gear speed reducer (5); the jacking cylinder transmission box body (3) adopts a gear transmission mechanism.

4. The motorized jack of claim 1, wherein: the lifting supporting leg comprises an electric cylinder supporting leg (13), the electric cylinder supporting leg (13) is fixedly installed at the bottom end of an inclined supporting rod (17) through a supporting and connecting seat (12), a supporting disk (11) is installed at the tail end of a telescopic rod of the electric cylinder supporting leg (13), the electric cylinder supporting leg (13) is connected with a supporting leg motor (14) used for driving the electric cylinder supporting leg to lift through a reduction gearbox, and a hand crank mounting hole (15) is reserved on the reduction gearbox.

5. The motorized jack of claim 1, wherein: the lifting adjusting mechanism comprises a supporting column (7) fixed at the top of the outer supporting rod (6), a supporting plate (8) is fixedly installed at the top of the supporting column (7), a lifting adjusting motor (9) is fixed at the top of the supporting plate (8), the lifting adjusting motor (9) is connected with a lifting plate (22) through a lifting screw rod mechanism (23), and guide rods (21) which are symmetrically arranged are installed between the lifting plate (22) and the supporting plate (8) in a matching manner; the steering wheel running gear (20) is arranged at the bottom end of the lifting plate (22).

6. An electric jack as claimed in claim 1 or 5, wherein: steering wheel running gear (20) adopt AGV from walking steering wheel, including rudder frame (25), rudder frame (25) are fixed in lift board (22) bottom of lift adjustment mechanism, and steering wheel (28) are installed to the bottom of rudder frame (25), and steering wheel (28) link to each other with being used for driving its pivoted traction motor (27), and the wheel carrier of steering wheel (28) links to each other with the steering mechanism who is used for driving its steering.

7. The motorized jack of claim 6, wherein: the steering mechanism comprises a steering motor (26), and the steering motor (26) is connected with a wheel carrier main shaft of the steering wheel (28) through a gear transmission mechanism (24); and a brake (29) is arranged on a wheel shaft of the steering wheel (28).

8. The motorized jack of claim 1, wherein: the top end of the inclined supporting rod (17) is connected with a cylinder body supporting seat (18) fixed on the main jacking cylinder body (1) through a pin shaft.

9. The motorized jack of claim 1, wherein: and radar ranging sensors are respectively arranged on the inclined supporting rod (17) and the lifting supporting leg.