CN217350540U - Screw lift with telescopic and rotary lead screw - Google Patents

Abstract

The utility model discloses a lead screw telescopic and rotatory screw lift, including the lead screw, still include drive mechanism, rotation mechanism and pillar, lead screw, drive mechanism and rotation mechanism are all installed in the pillar, drive mechanism and lead screw cooperation are in order to make the lead screw can reciprocate, rotation mechanism is located the top of lead screw, when the lead screw reciprocates, can contact with rotation mechanism to make rotation mechanism change the motion state of lead screw. The utility model discloses in the implementation, can adapt to user's special demand, and when using, safe and reliable.

Description

Screw lift with telescopic and rotary lead screw

Technical Field

The utility model belongs to the technical field of the lift, specifically be a screw lift that lead screw is scalable and rotatory.

Background

An elevator is a lifting device commonly used in industrial production. When a general elevator is used, certain specific working conditions may not be met, such as a straight line + rotation to a specific value, and therefore the application provides a spiral elevator with a telescopic and rotatable lead screw.

Disclosure of Invention

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a screw lift that lead screw is scalable and rotatory, the effectual problem of having solved among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw lift that lead screw is scalable and rotatory, includes the lead screw, still includes drive mechanism, rotation mechanism and pillar, lead screw, drive mechanism and rotation mechanism are all installed in the pillar, drive mechanism and lead screw cooperation are in order to make the lead screw can reciprocate, rotation mechanism is located the top of lead screw, when the lead screw reciprocates, can contact with rotation mechanism to make rotation mechanism change the motion state of lead screw.

Preferably, the transmission mechanism comprises a worm and a worm wheel, the worm and the worm wheel are matched, the worm wheel is sleeved outside the screw rod, and the worm wheel are in threaded fit, so that the screw rod can move up and down when the worm wheel rotates.

Preferably, the lower extreme rigid coupling of pillar has the lift main part, the rotatable installation in the lift main part of worm, and the outside of lift main part is stretched to the both ends of worm, the worm wheel is located the lift main part.

Preferably, the slewing mechanism comprises three inductive switches, a slewing groove and a roller, the roller is located above the screw rod, the slewing groove is formed in the surface of the protective tube, and the three inductive switches are respectively arranged on the side face of the slewing groove.

Preferably, the upper end of the screw rod is fixedly connected with a rotating body, and the roller is installed on the rotating body.

Preferably, the number of gyro wheel is two, and it installs respectively in the upper end and the lower extreme of rotor, and the rotor is discoid, and two gyro wheels are the setting of central symmetry at the both ends of rotor.

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

the utility model discloses when using, can adapt to user's special demand, and when using, safe and reliable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the matching structure of the worm wheel and the lead screw of the present invention.

In the figure: 1. an elevator main body; 2. a worm; 3. a worm gear; 4. a screw rod; 5. a rotating body; 6. a roller; 7. an inductive switch; 8. and (4) protecting the pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

As shown in figures 1-2, the utility model discloses a screw lifter with a telescopic and rotatable screw rod, which comprises a screw rod 4, a transmission mechanism, a rotation mechanism and a protective tube 8, wherein the screw rod 4, the transmission mechanism and the rotation mechanism are all arranged in the protective tube 8,

drive mechanism and lead screw 4 cooperation are in order to make lead screw 4 can reciprocate, and when this device used promptly, drive mechanism can rotate, and when drive mechanism rotated, drive mechanism can drive lead screw 4 and rotate to make lead screw 4 reciprocate.

The swing mechanism is located above the screw rod 4, and can be in contact with the swing mechanism when the screw rod 4 moves up and down, so that the swing mechanism can change the motion state of the screw rod 4, that is, when the screw rod 4 moves up and down, the screw rod 4 can be in contact with the swing mechanism, and the swing mechanism can control the operation state of the transmission mechanism, so as to change the operation state of the screw rod 4, wherein the operation state may include an operation speed, an operation direction and the like.

The transmission mechanism comprises a worm 2 and a worm wheel 3, the worm 2 is matched with the worm wheel 3, the worm wheel 3 is sleeved outside the screw rod 4, and the worm wheel and the screw rod are in threaded fit, so that when the worm wheel 3 rotates, the screw rod 4 can move up and down. The lower end of the protective tube 8 is fixedly connected with the elevator main body 1, the worm 2 is rotatably arranged in the elevator main body 1, two ends of the worm 2 extend out of the elevator main body 1, and the worm wheel 3 is positioned in the elevator main body 1. When this device uses, worm 2 can be driven by external motor (or other power take off equipment), and worm 2's rotation can drive worm wheel 3 and rotate, and worm wheel 3's rotation can drive lead screw 4 and reciprocate.

The rotary mechanism comprises three induction switches 7, a rotary groove and a roller 6, the roller 6 is positioned above the screw rod 4, the rotary groove is formed in the surface of the protective tube 8, and the three induction switches 7 are respectively arranged on the side face of the rotary groove. The inductive switch 7 can control a motor (or other power output equipment) driving the worm wheel 3 to control the motion state (rotation direction, rotation speed and the like) of the worm 2, and further change the motion state of the screw rod 4.

The upper end of the screw rod 4 is fixedly connected with a rotating body 5, and the roller 6 is arranged on the rotating body 5. The quantity of gyro wheel 6 is two, and it is installed respectively at the upper end and the lower extreme of rotor 5, and rotor 5 is discoid, and two gyro wheels 6 are centrosymmetric's setting at the both ends of rotor 5. The roller 6 is located the rotary groove, and when the roller 6 moves in the rotary groove, can cooperate with the inductive switch 7, and then make the inductive switch 7 receive the inductive signal.

The rotary groove is provided with a linear track groove and a spiral track groove, the screw rod 4 is connected with the rotating body 5, the rollers 6 are symmetrically arranged on the circumferential surface of the rotating body 5, the rollers 6 roll along the rotary groove, the induction switch 7 (A, B, C in the figure) is arranged on the outer side of the rotary groove, the position of the rollers 6 can be monitored at any time, the stretching length and the rotating angle of the screw rod 4 can be automatically controlled, the screw rod 4 is screwed with the inner part of the worm wheel 3 through threads, and the worm wheel 3 and the worm 2 are meshed for transmission.

When the worm 2 rotates in the direction shown in the figure, the worm wheel 3 is meshed to rotate, the nut in the worm wheel 3 is screwed with the screw rod 4 to move, the rotor 5 connected with the screw rod 4 and the roller 6 on the circumferential surface of the rotor 5 move from the point A to the point B along the track groove, the corresponding induction switch 7 is triggered when the worm 2 is in place, the rotating speed is reduced, the roller continues to rotate, the roller moves from the point B to the point C along the spiral line, and the corresponding induction switch 7 is triggered to stop.

The worm 2 rotates reversely, the roller 6 moves from the point C to the point A along the rotary groove, and triggers the inductive switch 7 at the point A to stop, and a working cycle is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a screw lift that lead screw is scalable and rotatory, includes lead screw (4), its characterized in that: also comprises a transmission mechanism, a swing mechanism and a protective tube (8), wherein the screw rod (4), the transmission mechanism and the swing mechanism are all arranged in the protective tube (8),

the transmission mechanism is matched with the screw rod (4) to enable the screw rod (4) to move up and down,

the swing mechanism is positioned above the screw rod (4) and can be in contact with the swing mechanism when the screw rod (4) moves up and down, so that the swing mechanism changes the motion state of the screw rod (4).

2. A screw retractable and rotatable screw elevator as set forth in claim 1, wherein: the transmission mechanism comprises a worm (2) and a worm wheel (3), the worm (2) is matched with the worm wheel (3), the worm wheel (3) is sleeved outside the screw rod (4), and the worm wheel and the screw rod are in threaded fit, so that the screw rod (4) can move up and down when the worm wheel (3) rotates.

3. A screw retractable and rotatable screw elevator as set forth in claim 2, wherein: the lower extreme rigid coupling of pillar (8) has lift main part (1), rotatable the installing in lift main part (1) of worm (2), and the outside of lift main part (1) is stretched to the both ends of worm (2), worm wheel (3) are located lift main part (1).

4. A screw retractable and rotatable screw elevator as set forth in claim 1, wherein: the rotary mechanism comprises three induction switches (7), a rotary groove and rollers (6), the rollers (6) are located above the screw rod (4), the rotary groove is formed in the surface of the protective tube (8), and the three induction switches (7) are respectively installed on the side faces of the rotary groove.

5. A screw retractable and rotatable screw elevator as set forth in claim 4, wherein: the upper end rigid coupling of lead screw (4) has rotor (5), gyro wheel (6) are installed on rotor (5).

6. A screw retractable and rotatable screw elevator as set forth in claim 5, wherein: the quantity of gyro wheel (6) is two, and it is installed respectively in the upper end and the lower extreme of rotor (5), and rotor (5) are discoid, and two gyro wheels (6) are centrosymmetric's setting at the both ends of rotor (5).

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