CN212403320U

CN212403320U - Spiral lifting system

Info

Publication number: CN212403320U
Application number: CN202020900668.2U
Authority: CN
Inventors: 杨超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-01-26
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a spiral lifting system, including lifting mechanism, spiral around lifting mechanism's tooth type spring strip and with the spring band of tooth type spring strip adaptation, lifting mechanism's periphery is equipped with the actuating mechanism who provides power for its rotation, lifting mechanism is equipped with hollow lifting column, guiding mechanism includes gyro wheel bearing and first bearing, gyro wheel bearing is perpendicular to lifting column's outer peripheral face level setting, be the biserial, tooth type spring strip arranges in between two rows of gyro wheel bearing; the first needle bearing is vertically arranged in a bearing hole on the peripheral surface of the lifting column, and the bearing surface of the first needle bearing is abutted against the inner side of the tooth-shaped spring strip. The utility model discloses, utilize the spring area to drive tooth type spring strip and realize going up and down, adopt gyro wheel bearing to replace the spiral post commonly used, effectively reduced manufacturing cost, still add first bearing, roll the drive to the inboard of tooth type spring strip, prevent that tooth type spring strip inside from producing the friction with lifting the post, effectively improve and lift efficiency.

Description

Spiral lifting system

Technical Field

The utility model relates to a spiral lift technical field, concretely relates to spiral operating system.

Background

The spiral lifting system realizes the function of lifting objects in a spiral mode, and is applied to a larger spiral lifting elevator, a spiral lifter, a spiral lifting stage and the like. Because the load born is larger, in order to improve the stability, a gear and a guide structure are adopted for reinforcement, and the guide structure adopts a roller for limiting.

However, the existing lifting structure still has lower accuracy, which leads to the reduction of the lifting weight and the limited lifting speed, from this, the chinese utility model patent CN 107434225 a discloses a spiral lifter, which comprises a fixed base, a platform rotating around the fixed base, a storage box installed on the platform, a flat spring belt stored in the storage box, a tooth-shaped spring strip installed in the fixed base and cooperating with the flat spring belt to form a spiral cylinder, a track lifting mechanism with track installed on the platform for restricting the lifting or contraction movement of the tooth-shaped spring strip, and a track guide frame for engaging the flat spring belt with the tooth-shaped spring strip. This technical scheme space is compact, has adopted flat area of spring and the interlock of flute profile spring strip spiral to constitute the spiral cylinder and has realized going up and down, has solved the technical problem that traditional elevating system occupies great space size, and the lift can not diminish suddenly because of the increase of the height that lifts moreover, and stability is higher.

However, the structure adopts the spiral column for limiting the tooth-shaped spring strip, and still has the following disadvantages:

(1) the guide function of the guide frame of the tooth-shaped spring strip is poor, so that the spiral process is not smooth or is blocked;

(2) the clearance between the gear-type spring bar and the lifting column is not limited, and the gear-type spring bar easily rubs against the lifting column, thereby lowering the lifting efficiency.

In view of the above, there is a need to improve the track guiding structure of the existing spiral lifting system to improve the guiding stability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that there is the relatively poor, the problem on the low side of stability of direction function in current spiral operating system's guide structure.

In order to solve the technical problem, the utility model provides an adopted technical scheme is to provide a spiral operating system, including lifting mechanism, encircle with the spiral lifting mechanism's flute profile spring strip, and with the spring band of flute profile spring strip adaptation, lifting mechanism's periphery is equipped with the actuating mechanism who provides power for its pivoted, lifting mechanism is equipped with hollow lifting column, and guiding mechanism includes:

the roller needle roller bearings are arranged in a double row mode and are vertical to the outer peripheral surface of the lifting column, and the tooth-shaped spring strip is arranged between the two rows of the roller needle roller bearings;

and the first needle bearing is vertically arranged in a bearing hole on the peripheral surface of the lifting column, and the bearing surface of the first needle bearing is abutted against the inner side of the tooth-shaped spring strip.

In another preferred embodiment, the outer end of the toothed spring strip is provided with spaced gear shaping teeth, the spring belt is provided with corresponding insertion holes, and the spring belt is driven to drive the toothed spring strip to spirally lift.

In another preferred embodiment, the drive mechanism is a sprocket wheel and is fixedly provided with a coaxial body tray.

In another preferred embodiment, an arc-shaped groove is formed in the main body tray, the arc-shaped groove is concentric with the main body tray, and the tooth-shaped spring strip penetrates through the arc-shaped groove from top to bottom.

In another preferred embodiment, the two ends of the arc-shaped groove are provided with positioning holes, the positioning holes are arranged in pairs and are respectively arranged on two opposite sides of the arc-shaped groove, and the two ends of the second needle roller bearing are arranged in the positioning holes and are in contact with the upper side surface or the lower side surface of the tooth-shaped spring strip.

In another preferred embodiment, the bearing hole is rectangular, shaft holes extending outwards are formed in the upper end and the lower end of the bearing hole, and the rotating shaft of the first needle bearing vertically abuts against the shaft holes of the bearing hole.

In another preferred embodiment, a plurality of through holes which are spirally raised are formed in the side surface of the lifting column, an installation shaft is arranged in the center of the roller needle bearing, a threaded section is arranged at the outer end of the installation shaft, the installation shaft penetrates through the through holes from outside to inside, a nut is arranged on the periphery of the threaded section through screwing, and the installation shaft and the lifting column are fixed.

Compared with the prior art, the utility model discloses, arrange the below of lifting the object in like stage, elevator railway carriage or compartment in, utilize the spring band to drive tooth type spring strip and realize going up and down, adopted gyro wheel bearing to replace spiral post commonly used, effectively reduced manufacturing cost, but also add first bearing, roll the drive to the inboard of tooth type spring strip, prevent that tooth type spring strip inside from producing the friction with lifting the post, lead to the power consumption increase, effectively improve and lift efficiency.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a view of the present invention with the spring band removed;

fig. 4 is a schematic structural view of the roller needle bearing of the present invention;

fig. 5 is a schematic structural view of a second needle bearing according to the present invention.

Detailed Description

The utility model provides a spiral operating system, it is right below to combine description drawing and detailed implementation mode the utility model discloses make the detailed description.

As shown in fig. 1 and 3, the utility model provides a pair of spiral operating system, including lifting mechanism, and spiral encircle lifting mechanism's profile spring strip 20 to and with the spring band 30 of profile spring strip 20 adaptation, lifting mechanism's periphery is equipped with the actuating mechanism who provides power for its pivoted, and lifting mechanism is equipped with hollow lifting column 10, and guiding mechanism includes gyro wheel bearing 61 and first bearing 62.

As shown in fig. 2, 3 and 4, the roller needle bearings 61 are horizontally arranged in two rows perpendicular to the outer peripheral surface of the lifting column 10, and the tooth-shaped spring strips 20 are arranged between the two rows of roller needle bearings 61; the first needle bearing 62 is vertically disposed in a bearing hole in the outer peripheral surface of the lifting column 10, and its bearing surface abuts against the inner side of the rack spring 20.

The utility model discloses, arrange the below of lifting object such as stage, elevator railway carriage or compartment in, utilize spring band 30 to drive tooth type spring strip 20 and realize going up and down. The utility model discloses a gyro wheel bearing 61 has replaced common spiral post, has effectively reduced manufacturing cost, has still add first bearing 62 moreover, rolls the drive to the inboard of profile spring strip 20, prevents that profile spring strip 20 is inside to produce the friction with lifting column 10, leads to the power consumption increase, effectively improves and lifts efficiency.

In another preferred embodiment, as shown in fig. 2, the outer end of the toothed spring strip 20 is provided with spaced cogs 21, the spring band 30 is provided with corresponding insertion holes, and the spring band 30 is driven to drive the toothed spring strip 20 to spirally lift. In this embodiment, the toothed spring strip 20 and the spring belt 30 form a plug-in synchronous motion structure.

In another preferred embodiment, the drive mechanism is a sprocket 40 and is fixedly provided with a coaxial body tray 50. In this embodiment, the sprocket 40 can be driven by a chain to drive the rotation structure at the center of the lifting column 10, and the main tray 50 is conveniently fixed to the components.

Further, in the above embodiment, the main tray 50 is provided with the arc-shaped slot 51, the arc-shaped slot 51 is concentric with the main tray 50, and the tooth-shaped spring strip 20 passes through the arc-shaped slot 51 from top to bottom. In this embodiment, the arc-shaped groove 51 is formed in the main tray 50, so that the tooth-shaped spring strip 20 can pass through the arc-shaped groove conveniently, the movement track of the tooth-shaped spring strip 20 is not affected, and the limiting effect can be achieved.

Further, in the above embodiment, the two ends of the arc-shaped slot 51 are provided with the positioning holes 52, the positioning holes 52 are arranged in pairs and respectively arranged at two opposite sides of the arc-shaped slot 51, and the two ends of the second needle bearing 63 are arranged in the positioning holes 52 and are in contact fit with the upper side or the lower side of the rack-shaped spring strip 20. In this embodiment, the second needle bearings 63 are disposed at two ends of the arc-shaped groove 51, and the two second needle bearings 63 can be disposed above and below the rack-shaped spring strip 20, so as to play a role of limiting and supporting, and the second needle bearings 63 can play a role of promoting movement of the rack-shaped spring strip 20 to a certain extent along with the transmission of the sprocket 40 and the main body tray 50.

Further, in the above embodiment, as shown in fig. 5, the bearing is rectangular, and the upper and lower ends are provided with shaft holes extending outward, and the rotating shaft of the first needle bearing 62 vertically abuts against the shaft holes of the bearing holes. In this embodiment, the first needle bearing 62 is disposed in a bearing hole, which may be further configured to fit the bearing, and may not easily fall out of the bearing hole due to the blocking of the spring rack 20.

In another preferred embodiment, as shown in fig. 3 and 4, the lifting column 10 is provided with a plurality of through holes 11 on the side thereof, the roller needle bearing 61 is provided with a mounting shaft 610 at the center thereof, the outer end of the mounting shaft 610 is provided with a threaded section 611, the mounting shaft 610 penetrates through the through holes 11 from the outside to the inside, and the nut is screwed on the outer periphery of the threaded section 611, so that the mounting shaft 610 is fixed to the lifting column 10. In this embodiment, the roller needle roller 61 is fixed on the lifting column 10 by a screw thread, so that the installation is simple and the maintenance and replacement are convenient.

The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.

Claims

1. The utility model provides a spiral operating system, includes lifting mechanism, guiding mechanism, and spiral ring encircle lifting mechanism's flute profile spring strip, and with the spring band of flute profile spring strip adaptation, lifting mechanism's periphery is equipped with the actuating mechanism who provides power for its pivoted, its characterized in that, lifting mechanism is equipped with hollow lifting column, guiding mechanism includes:

2. The spiral lifting system as claimed in claim 1, wherein the outer end of the toothed spring strip is provided with spaced cogs, and the spring belt is provided with corresponding insertion holes and is driven to drive the toothed spring strip to spirally lift.

3. A spiral lifting system as claimed in claim 1, wherein the drive mechanism is a sprocket wheel and is fixedly provided with a coaxial body tray.

4. The spiral lifting system of claim 3, wherein the main tray is provided with an arc-shaped slot, the arc-shaped slot is concentric with the main tray, and the tooth-shaped spring strip passes through the arc-shaped slot from top to bottom.

5. The spiral lifting system as claimed in claim 4, wherein the arc-shaped slot is provided at both ends thereof with positioning holes, the positioning holes are arranged in pairs and respectively disposed at opposite sides of the arc-shaped slot, and both ends of the second needle roller bearing are disposed in the positioning holes and are in contact engagement with the upper side or the lower side of the rack-shaped spring strip.

6. The spiral lifting system as claimed in claim 1, wherein the bearing hole is rectangular, and the upper and lower ends are provided with shaft holes extending outwards, and the rotating shaft of the first needle bearing vertically abuts against the shaft holes of the bearing hole.

7. The spiral lifting system of claim 1, wherein a plurality of through holes are formed in the side surface of the lifting column, the through holes are spirally raised, a mounting shaft is arranged in the center of the roller needle bearing, a threaded section is formed in the outer end of the mounting shaft, the mounting shaft penetrates through the through holes from outside to inside, a nut is arranged on the periphery of the threaded section through screwing, and the mounting shaft is fixed with the lifting column.