CN212374829U

CN212374829U - Lifting device for engineering machinery maintenance

Info

Publication number: CN212374829U
Application number: CN202022199352.8U
Authority: CN
Inventors: 刘芳; 邵绪威; 唐道湘
Original assignee: Zhangjiajie Institute of Aeronautical Engineering
Current assignee: Zhangjiajie Institute of Aeronautical Engineering
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-01-19
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a lifting device for engineering machinery maintenance, which comprises a bottom plate, wherein the lower side of the bottom plate is rotatably connected with a roller, a plurality of extension arms are fixed on the side surface of the bottom plate, the end parts of the extension arms far away from the bottom plate are provided with electric telescopic rods, the lower ends of the electric telescopic rods are hinged with conical discs, the lifting device is fixed on the ground, the upper side of the bottom plate is rectangular and is provided with four sliding rods, the middle part of the bottom plate is provided with a first motor, the first motor is connected with a first lead screw lifting group, the lead screw of the first lead screw lifting group is in threaded connection with a middle plate, the utility model finishes lifting in different degrees through two motors, the first motor is used for coarse adjustment, the lifting speed is fast, the second motor is used for fine adjustment, the stability is good, and the control is more convenient in the maintenance process, meanwhile, the replacement part is hoisted in the middle of maintenance by utilizing the fixed pulley and the winch, repeated lifting is not needed, and time and labor are saved.

Description

Lifting device for engineering machinery maintenance

Technical Field

The utility model relates to a machinery maintenance elevating gear technical field specifically is an elevating gear is used in engineering machine tool maintenance.

Background

Engineering machinery equipment needs regularly to inspect and maintain in the use, and in the maintenance process, the staff puts spare part on the workstation of lift and overhauls.

However, the lifting speed of the existing workbench for maintenance is controlled by a motor, so that the workbench is inconvenient to use, and meanwhile, when parts need to be replaced, the workbench needs to be descended to the ground for taking, so that the workbench is very inconvenient to use. Therefore, the utility model provides an engineering machine tool is elevating gear for maintenance to solve the problem that proposes among the above-mentioned background art.

Disclosure of Invention

An object of the utility model is to provide an engineering machine tool is elevating gear for maintenance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a lifting device for engineering machinery maintenance comprises a base plate, wherein the lower side of the base plate is rotatably connected with idler wheels, a plurality of extension arms are fixed on the side surfaces of the base plate, electric telescopic rods are installed at the end parts, far away from the base plate, of the extension arms, the lower end of each electric telescopic rod is hinged with a conical disc, the lifting device is fixed on the ground, the upper side of the base plate is rectangular and provided with four sliding rods, a first motor is installed in the middle of the base plate, the first motor is connected with a first lead screw lifting group, a lead screw of the first lead screw lifting group is connected with a middle plate through a threaded sleeve, the middle plate is connected with a second lead screw lifting group through a threaded sleeve, the second lead screw lifting group is connected with a second motor, the second lead screw lifting group and the upper side of the second motor are both installed on a top plate, the first lead screw lifting group and the second lead, the rotation of the motor is converted into the rotation of the lead screw in the vertical direction through the lifting lead screw group, so that an object is driven to ascend and descend;

correspond the slide bar on intermediate lamella and the roof and all be equipped with the through-hole, install the slip cap in the through-hole, the upper end of front side slide bar is fixed with horizontal pole and triangle-shaped pole, all rotates on the pole to be connected with the fixed pulley, and the tip of triangle-shaped pole stretches out the bottom plate, lie in the back on the roof and sideslip and install the hoist engine between the pole, go up and down to ground object through hoist engine and fixed pulley, the upside of roof is equipped with the railing all around, and the frame door is installed to fore-and-aft direction's railing department.

As a further scheme of the utility model, the transfer line of lead screw lift group one and lead screw lift group two is the cross direction and distributes, and the gravity at dispersion top reduces the wearing and tearing of slide bar.

As the utility model discloses further scheme again, the thread density of the lift lead screw of lead screw lift group one is less than the thread density of the lift lead screw of lead screw lift group two, and motor one is used for the coarse adjustment, and lifting speed is fast, and the motor dual-purpose is used for the fine tuning, and stability is good.

As the utility model discloses scheme further again, the lead screw position that corresponds lead screw lift group one on the roof is equipped with through-hole one, and the upper end of through-hole one is equipped with flip, and flip articulates the upper surface at the roof.

As the utility model discloses scheme further again, the middle part of intermediate lamella corresponds two motors and is equipped with the recess for the roof can be furthest pack up.

As the utility model discloses scheme further again, the front side of intermediate lamella articulates there is the footboard, and the side of footboard is fixed with the jack, is equipped with the bolt one that matches with the jack in the side of roof, and is fixed with the footboard when being convenient for to receive up.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a not lift of equidimension is accomplished to two motors, and motor one is used for the coarse adjustment, and lifting speed is fast, and the motor two-purpose is used for the fine tuning, and stability is good for control is more convenient in the maintenance process.

2. The utility model discloses an utilize fixed pulley and hoist engine to hang midway in the maintenance and get the replacement, need not rise repeatedly labour saving and time saving.

Drawings

Fig. 1 is a schematic front view of a lifting device for engineering machinery maintenance.

Fig. 2 is a left side view schematic diagram of a lifting device for engineering machinery maintenance.

Fig. 3 is a schematic top view of a lifting device for repairing a construction machine.

Fig. 4 is a schematic perspective view of an intermediate plate in a lifting device for engineering machinery maintenance.

In the figure: 1. a base plate; 2. an extension arm; 3. a roller; 4. an electric telescopic rod; 5. a tapered disk; 6. a first motor; 7. a first lead screw lifting group; 8. a middle plate; 9. a second screw rod lifting group; 10. a slide bar; 11. a pedal; 12. a first bolt; 13. a top plate; 14. a first through hole; 15. a cover is turned; 16. a railing; 17. a frame door; 18. a fixed pulley; 19. a winch; 20. and a second motor.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, in an embodiment of the present invention, an engineering machinery lifting device for maintenance comprises a bottom plate 1, a roller 3 is connected to a lower side of the bottom plate 1 in a rotating manner, a plurality of extension arms 2 are fixed to sides of the bottom plate 1, an electric telescopic rod 4 is installed at a end portion of each extension arm 2 far away from the bottom plate 1, a tapered disc 5 is hinged to a lower end of the electric telescopic rod 4, the device is fixed on the ground, four sliding rods 10 are arranged on the upper side of the bottom plate 1 in a rectangular manner, a motor 6 is installed in the middle of the bottom plate 1, the motor 6 is connected with a first lead screw lifting group 7, a lead screw of the first lead screw lifting group 7 is connected with a middle plate 8 through a threaded sleeve, the middle plate 8 is connected with a second lead screw lifting group 9 through a threaded sleeve, the second lead screw lifting group 9 is connected with a second motor 20, upside of the second lead screw lifting group 9 and the second motor, The lifting screw rod device comprises a vertical lifting screw rod and a transmission box in the middle, wherein two bevel gears which are perpendicular to each other are arranged in the transmission box, the rotation of a motor is converted into the rotation of the screw rod in the vertical direction through a lifting screw rod group, so that an object is driven to ascend and descend, transmission rods of a first screw rod lifting group 7 and a second screw rod lifting group 9 are distributed in the cross direction, the gravity at the top is dispersed, the abrasion of a slide rod 10 is reduced, a first through hole 14 is formed in the top plate 13 and corresponds to the position of the screw rod of the first screw rod lifting group 7, a turnover cover 15 is arranged at the upper end of the first through hole 14, the turnover cover 15 is hinged to the upper surface of the top plate 13, the thread density of the lifting screw rod of the first screw rod lifting group 7 is smaller than that of the lifting screw rod of the second screw rod lifting;

correspond slide bar 10 on intermediate plate 8 and the roof 13 and all be equipped with the through-hole, install the slip cap in the through-hole, the middle part of intermediate plate 8 corresponds motor two 20 and is equipped with the recess for roof 13 can the furthest pack up, and the upper end of front side slide bar 10 is fixed with horizontal pole and triangle pole, all rotates on the pole to be connected with fixed pulley 18, and the tip of triangle pole stretches out bottom plate 1, lieing in on the roof 13 and installing hoist engine 19 between the pole 10 that sideslips, going up and down to ground object through hoist engine 19 and fixed pulley 18, the upside of roof 13 is equipped with railing 16 all around, and frame door 17 is installed to railing 16 department of fore-and-aft direction, the front side of intermediate plate 8 articulates there is footboard 11, and the side of footboard 11 is fixed with the jack, is equipped with a bolt 12 that matches with the jack in the side of roof 13, fixes footboard 11 when being convenient.

The utility model discloses a theory of operation is: during the use, move to suitable position through gyro wheel 3, fix conical disk 5 subaerial through electric telescopic handle 4, and go up and down through motor one 6 and lead screw lift group 7 to intermediate lamella 8 and roof 13, motor two 20 and lead screw lift group two 9 go up and down to roof 13, motor one 6 is used for the coarse tuning, the elevating speed is fast, motor two 20 is used for the fine tuning, stability is good, get into on roof 13 through footboard 11 and frame door 17, railing 16 plays the guard action, can utilize fixed pulley 18 and hoist engine 19 to hang and get the replacement part midway in the maintenance, do not need to go up and down repeatedly, time saving and labor saving, when retracting simultaneously, the lead screw of lead screw lift group one 7 passes through-hole one 14, accomplish maximum folding, and fix footboard 11 through bolt one 12.

The utility model discloses a not lift of equidimension is accomplished to two motors, and motor 6 is used for the coarse adjustment, and lifting speed is fast, and motor two 20 is used for the fine tuning, and stability is good for control is more convenient in the maintenance process, simultaneously, through utilizing fixed pulley 18 and hoist engine 19 to hang midway in the maintenance and get the replacement, need not rise repeatedly labour saving and time saving.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The lifting device for engineering machinery maintenance comprises a bottom plate (1) and is characterized in that a roller (3) is rotatably connected to the lower side of the bottom plate (1), a plurality of extension arms (2) are fixed to the side faces of the bottom plate (1), an electric telescopic rod (4) is installed at the end, far away from the bottom plate (1), of each extension arm (2), a conical disc (5) is hinged to the lower end of each electric telescopic rod (4), four sliding rods (10) are arranged on the upper side of the bottom plate (1) in a rectangular mode, a first motor (6) is installed in the middle of the bottom plate (1), a first lead screw lifting group (7) is connected to the first motor (6), a lead screw of the first lead screw lifting group (7) is connected to a middle plate (8) through a threaded sleeve, the middle plate (8) is connected to a second lead screw lifting group (9) through a threaded sleeve, the second lead screw lifting group (9) is connected to a second motor (20), and the upper, the first screw rod lifting group (7) and the second screw rod lifting group (9) both comprise a transverse transmission rod, a vertical lifting screw rod and a middle transmission box, and two mutually perpendicular bevel gears are arranged in the transmission boxes;

correspond slide bar (10) on intermediate lamella (8) and roof (13) and all be equipped with the through-hole, install the slip cap in the through-hole, the upper end of front side slide bar (10) is fixed with horizontal pole and triangle pole, all rotates on the pole to be connected with fixed pulley (18), and the tip of triangle pole stretches out bottom plate (1), lie in on roof (13) and install hoist engine (19) between rear side slide bar (10), the upside of roof (13) is equipped with railing (16) all around, and railing (16) department of fore-and-aft direction installs frame door (17).

2. The lifting device for engineering machinery maintenance according to claim 1, wherein the transmission rods of the first screw rod lifting group (7) and the second screw rod lifting group (9) are distributed in a crisscross direction.

3. The lifting device for engineering machinery maintenance according to claim 1, wherein the thread density of the lifting screw of the first screw lifting group (7) is less than that of the lifting screw of the second screw lifting group (9).

4. The lifting device for engineering machinery maintenance according to claim 1, wherein the top plate (13) is provided with a first through hole (14) at a position corresponding to the screw rod of the first screw rod lifting group (7), the upper end of the first through hole (14) is provided with a flip cover (15), and the flip cover (15) is hinged on the upper surface of the top plate (13).

5. The lifting device for engineering machinery maintenance according to claim 1, wherein the middle part of the middle plate (8) is provided with a groove corresponding to the second motor (20).

6. The lifting device for engineering machinery maintenance according to claim 1, wherein the front side of the middle plate (8) is hinged with a pedal (11), the side of the pedal (11) is fixed with a jack, and the side of the top plate (13) is provided with a first bolt (12) matched with the jack.