CN220265972U - Doffing trolley gear rack electric lifting device - Google Patents

Abstract

The utility model discloses an electric lifting device for a gear rack of a doffing trolley, and belongs to the technical field of lifting equipment. The device includes the rack case, the activity is provided with the lifting rack about the rack incasement, and lifting rack upper end runs through rack case top, be provided with in the rack case and be used for driving lifting rack up-and-down motion's driving gear and be used for guaranteeing lifting rack steady motion's stable subassembly, the rack case outside is provided with and is used for driving gear pivoted driving assembly, this elevating gear drives doffing dolly through adopting the rack to go up and down and goes up and down, traditional pneumatic cylinder drive has been replaced, traditional pneumatic cylinder lift has been avoided asynchronism, maintenance simple to operate scheduling problem, and the lifting speed is fast, stability is high, the effectual work efficiency who improves doffing dolly.

Description

Doffing trolley gear rack electric lifting device

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to an electric lifting device for a gear rack of a doffing trolley.

Background

The spinning doffer is an important component of spinning workshop production, all work of a doffer is performed around high quality, high yield and low consumption, all work of the doffer is performed around high quality, high yield and low consumption, and the doffer is an important tool in spinning doffing.

The doffing trolley is placed on the ground when not working, the doffing trolley is often required to be pushed onto the corresponding spinning trolley during working, and in general, one doffing trolley can be used for a plurality of spinning trolleys, so that the doffing trolley is often required to be lifted.

The existing lifting device of the doffing trolley is a device in which hydraulic oil pushes a hydraulic cylinder to lift, when the doffing trolley is pushed to lift by the hydraulic oil, the lifting speed is slow, and the problem that the lifting of the hydraulic cylinders at two sides is asynchronous can also occur, so that the working efficiency is affected; in the application process, maintenance personnel cannot repair the hydraulic pump in place, and the situation of oil leakage of the hydraulic pump can also occur, so that the hydraulic cylinder is insufficient in lifting power, the doffing trolley cannot be lifted by the hydraulic cylinder, the practicability of manufacturer staff is affected, and larger loss is caused.

Disclosure of Invention

The utility model aims to provide an electric lifting device for a doffing trolley gear rack, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a doffing dolly gear rack electric lifting device, includes the rack case, and the activity is provided with lifting rack from top to bottom in the rack case, and lifting rack upper end runs through rack case top, is provided with the drive gear who is used for driving lifting rack up-and-down motion in the rack case and is used for guaranteeing lifting rack steady motion's stable subassembly, and the rack case outside is provided with and is used for driving drive gear pivoted drive assembly.

As a further scheme of the utility model: the stabilizing assembly comprises an auxiliary gear arranged in the rack box in a rotating mode and auxiliary rollers corresponding to the auxiliary gear, wherein the auxiliary gear and the auxiliary rollers are symmetrically arranged on the upper side and the lower side of the driving gear, the auxiliary gear is connected with the lifting rack in a meshed mode, and the auxiliary rollers are located on one side, away from the auxiliary gear, of the lifting rack and are in rolling contact with the rear side of the lifting rack.

As still further aspects of the utility model: the driving assembly comprises a gear driving box fixedly arranged on the outer side wall of the rack box, an output shaft of the gear driving box is connected with a driving gear, and a driving motor is arranged at the lower end of the gear driving box.

As still further aspects of the utility model: the gear driving box is rotationally provided with a driving bevel gear and a driven bevel gear which are meshed with each other, the driving bevel gear is connected with the output end of the driving motor, and the driven bevel gear is coaxially connected with the driving gear.

As still further aspects of the utility model: a cavity is formed in the rack box, the driving gear, the auxiliary gear and the auxiliary roller are all rotatably arranged in the cavity, and the lifting rack is movably arranged in the cavity.

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

the electric lifting device is characterized in that a driving motor drives a gear in a gear driving box to rotate so as to drive a driving gear to rotate, so that racks in the rack box are driven to move up and down rapidly, and the racks are connected with one another to bear large gravity, so that a doffing trolley frame can be lifted easily and rapidly under the driving of the driving motor, the lifting speed of the doffing trolley is increased, and the working efficiency is increased;

through the cooperation of auxiliary gear and auxiliary roller, can make lifting rack realize stable elevating movement to stability and security when guaranteeing doffing dolly lift.

To sum up, this elevating gear drives doffing dolly through adopting the rack to go up and down, has replaced traditional pneumatic cylinder drive, has avoided traditional pneumatic cylinder to go up and down asynchronous, maintenance installation inconvenient scheduling problem, and the lifting speed is fast, and stability is high, the effectual work efficiency who improves the doffing dolly.

Drawings

FIG. 1 is a schematic perspective view of an electric lifting device for a rack and pinion of a doffing trolley;

FIG. 2 is a schematic cross-sectional view of the electric lifting device for the rack and pinion of the doffing trolley;

FIG. 3 is a schematic view of the internal structure of the drive gear box of the present utility model;

FIG. 4 is a schematic view showing the internal structure of the rack housing of the present utility model;

FIG. 5 is a schematic diagram of a side view of the electric lifting device for the rack and pinion of the doffing trolley and the doffing trolley;

fig. 6 is a schematic diagram of an assembly structure of the electric lifting device for the gear rack of the doffing trolley and the doffing trolley.

In the figure: 1. a rack box; 2. lifting the rack; 3. a cavity; 4. a gear drive box; 5. a driving motor; 6. a drive bevel gear; 7. a driven bevel gear; 8. a drive gear; 9. an auxiliary gear; 10. an auxiliary roller; 11. a trolley base; 12. a trolley frame; 13. a guide rod; 14. and (5) connecting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, the embodiment provides a doffing trolley gear rack electric lifting device, which comprises a rack box 1, wherein a lifting rack 2 is movably arranged in the rack box 1 up and down, the upper end of the lifting rack 2 penetrates through the top of the rack box 1, a cavity 3 is arranged in the rack box 1, a driving gear 8, an auxiliary gear 9 and an auxiliary roller 10 are rotationally arranged in the cavity 3, the lifting rack 2 is movably arranged in the cavity 3, the driving gear 8 is meshed with the lifting rack 3 and is used for driving the lifting rack 2 to move up and down, the auxiliary gear 9 and the auxiliary roller 10 are symmetrically arranged on the upper side and the lower side of the driving gear 8, two auxiliary gears 9 are meshed with the lifting rack 2 and are connected, the two auxiliary rollers 10 are positioned on one side of the lifting rack 2 far away from the auxiliary gear 9 and are in rolling contact with the rear side of the lifting rack 2, the auxiliary roller 10 and the auxiliary gear 9 ensure stability when the lifting rack 2 moves, a gear driving box 4 is arranged on the outer side wall of the rack box 1, a driving bevel gear 6 and a driven bevel gear 7 are rotationally arranged in the gear box 4, the driving bevel gear 6 is fixedly arranged at the lower end of the gear driving box 4, and the driven bevel gear 7 is connected with the driving bevel gear 5 at the same axis, and the driving bevel gear 6 is connected with the driving bevel gear 8.

In connection with fig. 6, in order to enable a person skilled in the art to better understand the application of the lifting device in practical work, the working principle thereof will be explained as follows:

as shown in fig. 6, the doffing trolley is composed of a trolley base 11 and a trolley frame 12, a guide rod 13 is arranged on the trolley base 11, the trolley frame 12 can be lifted along the guide rod 13, a rack box 1 is fixed on two sides of the trolley base 11, the upper end of a lifting rack 2 is fixedly connected with a connecting plate 14, the connecting plate 14 is connected with the trolley frame 12, a driving bevel gear 6 is driven to rotate by a driving motor 5, and then the lifting rack 2 drives the connecting plate 14 to lift under the transmission of a driven bevel gear 7 and a driving gear 8, so that the lifting of the trolley frame 12 along the guide rod 13 is realized, and the lifting motion of the doffing trolley is completed.

It should be noted that, the foregoing embodiments are only specific and clear descriptions of technical solutions and technical features of the present application. And those skilled in the art will not be able to describe in detail the above embodiments regarding the schemes or features belonging to the prior art or common general knowledge.

In addition, the technical solutions of the present application are not limited to the above-mentioned embodiments, and those skilled in the art should consider the description as a whole, and the technical solutions in the embodiments may be appropriately combined, so as to form other embodiments that can be understood by those skilled in the art.

Claims (5)

1. The utility model provides a doffing dolly gear rack electric lifting device, its characterized in that, includes rack case (1), activity about in rack case (1) is provided with lifting rack (2), and lifting rack (2) upper end runs through rack case (1) top, be provided with in rack case (1) and be used for driving lifting rack (2) up-and-down motion's driving gear (8) and be used for guaranteeing lifting rack (2) steady motion's steady component, rack case (1) outside is provided with and is used for driving gear (8) pivoted drive assembly.

2. The doffing trolley gear rack electric lifting device according to claim 1, wherein the stabilizing assembly comprises an auxiliary gear (9) rotatably arranged in the rack box (1) and auxiliary rollers (10) corresponding to the auxiliary gear (9), the auxiliary gear (9) and the auxiliary rollers (10) are symmetrically arranged on the upper side and the lower side of the driving gear (8), the auxiliary gear (9) is in meshed connection with the lifting rack (2), and the auxiliary rollers (10) are located on one side, away from the auxiliary gear (9), of the lifting rack (2) and are in rolling contact with the rear side of the lifting rack (2).

3. The doffing trolley gear rack electric lifting device according to claim 2, wherein the driving assembly comprises a gear driving box (4) fixedly arranged on the outer side wall of the rack box (1), an output shaft of the gear driving box (4) is connected with a driving gear (8), and a driving motor (5) is arranged at the lower end of the gear driving box (4).

4. A doffing trolley gear rack electric lifting device according to claim 3, characterized in that the gear driving box (4) is rotatably provided with a driving bevel gear (6) and a driven bevel gear (7) which are meshed, the driving bevel gear (6) is connected with the output end of the driving motor (5), and the driven bevel gear (7) is coaxially connected with the driving gear (8).

5. The doffing trolley gear rack electric lifting device according to claim 4, wherein a cavity (3) is arranged in the rack box (1), the driving gear (8), the auxiliary gear (9) and the auxiliary roller (10) are all rotatably arranged in the cavity (3), and the lifting rack (2) is movably arranged in the cavity (3).