CN212616166U

CN212616166U - Screw rod driving device in lifting machine

Info

Publication number: CN212616166U
Application number: CN202021151570.8U
Authority: CN
Inventors: 张俊华; 巩长松; 曲楠
Original assignee: LIANWEICHUANG TECHNOLOGY (TIANJIN) CO LTD
Current assignee: LIANWEICHUANG TECHNOLOGY (TIANJIN) CO LTD
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-26
Anticipated expiration: 2030-06-19

Abstract

The utility model provides a lead screw drive device in machine of lifting relates to lead screw drive technical field, including fixed plate and sliding shaft, its characterized in that: the fixed plate top is equipped with servo motor, and servo motor welds in the fixed plate top surface, the fixed plate top surface is fixed with chain tight mechanism that rises, and chain tight mechanism that rises keeps away from servo motor work end, both sides all be equipped with the sliding shaft among the elevating gear, adjacent both sides be fixed with the screw-nut connecting axle in the sliding shaft, realized simplifying the actuating system of machine of lifting, pollution abatement, its jacking force is big, and is fit for not high, promote the not big various environment installation uses of height, improves security and control accuracy, through servo motor, utilizes chain tight mechanism that rises to drive the lead screw, makes its work.

Description

Screw rod driving device in lifting machine

Technical Field

The utility model relates to a lead screw drive technical field especially relates to a lead screw drive device in machine of lifting.

Background

The screw rod driving device is also called a screw transmission mechanism, and the screw transmission is mechanical transmission for realizing conversion between rotary motion and linear motion by screwing a screw and a thread tooth surface. The screw drives can be divided into: force transmission screw drive, conduction screw drive and regulation screw drive.

Most of the existing driving systems of the lifting machine have large pollution, and the safety and the control precision cannot be controlled under the jacking force of the lifting machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a screw driving device in a lifting machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lead screw drive arrangement in machine of lifting, includes fixed plate and elevating gear, its characterized in that: the fixed plate top is equipped with servo motor, and servo motor welds in the fixed plate top surface, the fixed plate top surface is fixed with chain tensioning mechanism, and chain tensioning mechanism keeps away from servo motor work end, both sides all be equipped with the sliding shaft among the elevating gear, adjacent both sides be fixed with the lead screw nut connecting axle in the sliding shaft.

Preferably, the surfaces of the two ends of the screw nut connecting shaft are both fixedly provided with screw nut fixing blocks, the screw nut fixing blocks wrap the screw nut connecting shaft, and the back surfaces of the screw nut fixing blocks are provided with screw rods in a penetrating manner and movably connected with the screw nut fixing blocks.

Preferably, chain wheels are fixed at the top ends of the screw rods on two sides, first bearing seats are fixed at one ends of the screw rods on two sides, and two sides of each first bearing seat are in threaded connection with the fixing plates.

Preferably, the other end of the screw rod on two sides is fixed with a second bearing seat, two sides of the second bearing seat are in threaded connection with the fixed plate, one end of the screw rod on two sides is fixed with a screw rod nut, and the screw rod nut is in threaded connection with the screw rod nut fixed block.

Preferably, a connecting rod is fixed at one end of each of the sliding shafts at two sides, and a connecting shaft reinforcing transverse rib is fixed on the front face of each of the screw rod nut connecting shafts.

Preferably, the connecting shaft is strengthened horizontal muscle one end and all is equipped with the recess, and the recess runs through in the connecting shaft strengthens horizontal muscle side, and both sides are adjacent the connecting rod internal fixation has the connecting shaft to strengthen erecting the muscle, and the connecting shaft is strengthened erecting the muscle gomphosis in the recess.

Advantageous effects

1. The utility model discloses in, adopt servo motor, chain price rising device, lead screw and lead screw connecting axle, realized simplifying the actuating system of machine of lifting, pollution abatement, its jacking force is big, is fit for not high, promotes the not big various environmental installations of height and uses, improves security and control accuracy, through servo motor, utilizes chain tension mechanism to drive the lead screw, makes its work.

Drawings

Fig. 1 is a structural diagram of an overall structure of a screw driving device in a lifting machine according to the present invention;

fig. 2 is a top view of the screw driving device of the lifting machine according to the present invention;

fig. 3 is an enlarged view of a screw driving device 1-a of the lifting machine according to the present invention;

fig. 4 is a top view of a screw driving device in a lifting machine according to the present invention.

Illustration of the drawings:

1. a fixing plate; 2. a lifting device; 3. a sliding shaft; 4. a servo motor; 5. a chain tensioning mechanism; 6. A lead screw nut connecting shaft; 7. a lead screw nut fixing block; 8. a screw rod; 9. a sprocket; 10. a first bearing housing; 11. a second bearing housing; 12. a feed screw nut; 13. a connecting rod; 14. the connecting shaft reinforces the transverse rib; 15. A groove; 16. the connecting shaft reinforces the vertical rib.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 4, a screw driving apparatus in a lifting machine includes a fixing plate 1 and a lifting apparatus 2, and is characterized in that: the top of the fixing plate 1 is provided with a servo motor 4, the servo motor 4 is welded on the top surface of the fixing plate 1, the top surface of the fixing plate 1 is fixed with a chain tensioning mechanism 5, the chain tensioning mechanism 5 is far away from the working end of the servo motor 4, sliding shafts 3 are arranged in the lifting devices 2 on two sides, and a screw nut connecting shaft 6 is fixed in the sliding shafts 3 on two adjacent sides. The surfaces of the two ends of the screw nut connecting shaft 6 are both fixed with screw nut fixing blocks 7, the screw nut fixing blocks 7 are wrapped on the screw nut connecting shaft 6, and the back surfaces of the screw nut fixing blocks 7 on the two sides are provided with screw rods 8 in a penetrating mode, and the screw rods 8 are movably connected with the screw nut fixing blocks 7. The top ends of the two side screw rods 8 are both fixed with chain wheels 9, one ends of the two side screw rods 8 are both fixed with first bearing seats 10, and the two sides of the first bearing seats 10 are in threaded connection with the fixing plate 1. The other end of each of the two side screw rods 8 is fixed with a second bearing block 11, the two sides of each of the second bearing blocks 11 are in threaded connection with the fixing plate 1, one end of each of the two side screw rods 8 is fixed with a screw rod nut 12, and the screw rod nuts 12 are in threaded connection with the screw rod nut fixing blocks 7. One end of each sliding shaft 3 on two sides is fixed with a connecting rod 13, and the front of each lead screw nut connecting shaft 6 is fixed with a connecting shaft reinforcing transverse rib 14. The connecting shaft reinforcing transverse ribs 14 are provided with grooves 15 at one ends, the grooves 15 penetrate through the side faces of the connecting shaft reinforcing transverse ribs 14, connecting shaft reinforcing vertical ribs 16 are fixed in the adjacent connecting rods 13 on two sides, and the connecting shaft reinforcing vertical ribs 16 are embedded in the grooves 15.

The utility model discloses a theory of operation: utility model's theory of operation: the servo motor 4 fixed on the top of the fixing plate 1, the chain tensioning mechanism 5 and the chain wheel 9 at one end of the screw rod 8 are in gear transmission, the two ends of the screw rod nut connecting shaft 6 are wrapped by the screw rod nut fixing block 7, the back of the screw rod nut fixing block 7 penetrates through the screw rod 8, the screw rod 8 is fixed by the aid of the first bearing block 10, the second bearing block 11 and the screw rod nut 12, the connecting shaft in the groove 15 of the connecting shaft reinforcing vertical ribs 16 is used for reinforcing the horizontal ribs 14 to be fixed with the connecting rods 13 at the two sides, and the equipment is fixed.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lead screw drive arrangement in machine of lifting, includes fixed plate (1) and elevating gear (2), its characterized in that: fixed plate (1) top is equipped with servo motor (4), and servo motor (4) weld in fixed plate (1) top surface, fixed plate (1) top surface is fixed with chain tight mechanism (5) that rises, and chain tight mechanism (5) that rises keeps away from servo motor (4) work end, both sides all be equipped with sliding shaft (3) in elevating gear (2), adjacent both sides be fixed with screw nut connecting axle (6) in sliding shaft (3).

2. The screw driving device in a lifting machine according to claim 1, wherein: the lead screw nut connecting shaft is characterized in that lead screw nut fixing blocks (7) are fixed on the surfaces of the two ends of the lead screw nut connecting shaft (6), the lead screw nut fixing blocks (7) wrap the lead screw nut connecting shaft (6), and the back of each lead screw nut fixing block (7) is provided with a lead screw (8) and a lead screw (8) which are movably connected with the lead screw nut fixing blocks (7).

3. The screw driving device in a lifting machine according to claim 2, wherein: the chain wheel (9) is fixed at the top ends of the screw rods (8) on the two sides, the first bearing seats (10) are fixed at one ends of the screw rods (8) on the two sides, and the two sides of each first bearing seat (10) are in threaded connection with the fixing plate (1).

4. A screw driving apparatus in a lifting machine according to claim 3, wherein: and two second bearing seats (11) are fixed at the other ends of the screw rods (8) at two sides, the two sides of each second bearing seat (11) are in threaded connection with the fixing plate (1), screw nuts (12) are fixed at one ends of the screw rods (8) at two sides, and the screw nuts (12) are in threaded connection with the screw nut fixing blocks (7).

5. The screw driving device in a lifting machine according to claim 1, wherein: and one end of each sliding shaft (3) on two sides is fixed with a connecting rod (13), and the front surface of the screw nut connecting shaft (6) is fixed with a connecting shaft reinforcing transverse rib (14).

6. The screw driving device in a lifting machine according to claim 5, wherein: horizontal muscle (14) one end is strengthened to the connecting axle all is equipped with recess (15), and recess (15) run through in the connecting axle strengthen horizontal muscle (14) side, and both sides are adjacent connecting rod (13) internal fixation has the connecting axle to strengthen erecting muscle (16), and the connecting axle is strengthened erecting muscle (16) gomphosis in recess (15).