CN214933265U

CN214933265U - Chain elevator

Info

Publication number: CN214933265U
Application number: CN202120347787.4U
Authority: CN
Inventors: 张�荣; 谢有新; 陈红兵; 熊晗
Original assignee: CHANGZHOU HIDEA MACHINERY CO LTD
Current assignee: CHANGZHOU HIDEA MACHINERY CO LTD
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-11-30
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a chain elevator, including elevator frame, hoist mechanism, lifting basket, the fixed mounting bracket that is provided with the assembly hoist mechanism in the top in the elevator frame, the lifting basket sets up on the elevator frame, and hoist mechanism drives the lifting basket and is the elevating movement in the elevator frame, and the hoist mechanism includes actuating mechanism, installs the drive mechanism of bottom in the elevator frame; the driving mechanism comprises a worm gear speed reducing motor, a lifting chain, a driving chain wheel and an upper belt vertical seat bearing, the worm gear speed reducing motor is arranged on the mounting frame in a suspended manner through the upper belt vertical seat bearing, and a torque arm is arranged between the worm gear speed reducing motor and the mounting frame; the transmission mechanism comprises a driven chain wheel, a lower belt vertical seat bearing and a driven shaft, and the driven chain wheel is arranged on the lower belt vertical seat bearing through the driven shaft. Through the unsettled form with worm gear speed reducer and the setting of torque arm in this application, avoid worm gear speed reducer motor drive power to transmit and appear blocking dead phenomenon for drive sprocket.

Description

Chain elevator

Technical Field

The utility model relates to a hoisting device technical field, concretely relates to chain lift.

Background

The elevator is a mechanical device for vertically conveying objects, can be used for overhauling and maintaining large-scale equipment, and the existing elevator has chain type lifting, oil cylinder driven lifting and other structures. The chain type elevator realizes the lifting function by matching the lifting motor with the chain transmission, the lifting motor and the transmission chain wheel are driven by a coupling mode, and after the chain type elevator is used for a long time, the transmission mechanism can be blocked to influence the normal operation of the elevator.

Disclosure of Invention

To the technical problem mentioned above, the utility model aims at providing a promote stable chain lift.

Realize the technical scheme of the utility model as follows

A chain type elevator comprises an elevator frame, a lifting mechanism and a lifting basket, wherein a mounting frame for assembling the lifting mechanism is fixedly arranged at the top in the elevator frame, the lifting basket is arranged on the elevator frame, the lifting mechanism drives the lifting basket to move up and down in the elevator frame,

the lifting mechanism comprises a driving mechanism and a transmission mechanism arranged at the bottom in the frame of the lifter;

the driving mechanism comprises a worm and gear speed reducing motor, a lifting chain, a driving sprocket and an upper belt vertical seat bearing, the worm and gear speed reducing motor is arranged on the mounting frame in a suspended manner through the upper belt vertical seat bearing, a torque arm is arranged between the worm and gear speed reducing motor and the mounting frame, and the driving sprocket is arranged on a driving shaft of the worm and gear speed reducing motor;

the transmission mechanism comprises a driven chain wheel, a lower belt vertical seat bearing and a driven shaft, and the driven chain wheel is arranged on the lower belt vertical seat bearing through the driven shaft;

the one end fixed connection that promotes the chain in the upper portion of lifting basket, other end fixed connection in the lower part of lifting basket, promote the chain drive and arrange and carry out the transmission between drive sprocket, driven sprocket.

By adopting the technical scheme, the power of the worm gear speed reducer drives the lifting basket to move up and down in the lifter frame through the driving chain wheel, the lifting chain and the driven chain wheel; through the unsettled form with worm gear speed reducer and the setting of torque arm in this application, avoid worm gear speed reducer motor drive power to transmit and appear blocking dead phenomenon for drive sprocket.

In a preferred embodiment, one end of the lifting chain is connected with the lifting basket through a balance adjusting mechanism, and the other end of the lifting chain is connected with the lifting basket through a tensioning adjusting mechanism.

As a preferred embodiment, the balance adjusting mechanism comprises an adjusting bolt and an adjusting nut, the adjusting bolt is in threaded connection with the lifting basket, the adjusting nut is in threaded connection with the adjusting bolt to lock the adjusting bolt, and the adjusting bolt is movably connected with one end of the lifting chain.

As a preferred embodiment, the tensioning adjusting mechanism comprises a tensioning bolt and an elastic member, the tensioning bolt is in threaded connection with the lifting basket, the elastic member is pressed between the tensioning bolt and the lifting basket, and the tensioning bolt is movably connected with the other end of the lifting chain.

As a preferred embodiment, a detachable guide wheel is mounted at the side part of the lifting basket, and the detachable guide wheel comprises a guide wheel body, a guide wheel shaft, a nut, a lining plate, a supporting plate and a connecting piece;

the guide wheel body is rotatably assembled at one end of the guide wheel shaft and is in rolling fit with the elevator frame;

the end part of a frame channel steel of the lifting basket is provided with a U-shaped assembling notch, the lining plate is fixedly arranged on the frame channel steel of the lifting basket, a U-shaped groove matched with the U-shaped assembling notch is formed in the lining plate, and the arrangement directions of the U-shaped assembling notch and the notch of the U-shaped groove are the same;

the other end of the guide wheel shaft penetrates through the U-shaped assembling notch and the U-shaped groove and is in threaded connection with the nut;

the supporting plate is fixedly connected to the lining plate through a connecting piece, and the guide wheel shaft is limited in the U-shaped groove;

a limiting piece for limiting the guide wheel shaft to rotate around the guide wheel shaft is arranged between the guide wheel shaft and the supporting plate.

In a preferred embodiment, the limiting member is a limiting ring fixedly arranged in the middle of the idler shaft, and the limiting ring is provided with a limiting plane which is contacted with the supporting plate to form a matching structure.

In a preferred embodiment, the plane of the limiting ring is perpendicular to the axis of the guide wheel shaft, and the limiting ring is attached to a frame channel steel of the lifting basket.

As a preferred embodiment, a telescopic protective sleeve is arranged outside the lifting chain, and the lifting chain is sleeved in the telescopic protective sleeve; the bottom in the frame of the lifter is fixedly provided with a mounting seat, and the mounting seat is internally provided with an assembly space of the transmission mechanism;

the mounting base top is provided with protective sheath bottom plate, protective sheath clamp plate and protective sheath connecting piece, and the protective sheath bottom plate passes through connecting bolt suspended type and adorns in the mounting base top, and the tip of protective sheath is in between protective sheath bottom plate, the protective sheath clamp plate, and the protective sheath connecting piece is with protective sheath clamp plate fixed connection to on the protective sheath bottom plate.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural view of the detachable guide wheel of the present invention;

fig. 4 is a schematic sectional view of the detachable guide wheel of the present invention;

fig. 5 is a schematic structural view of the middle idler shaft of the present invention;

FIG. 6 is a schematic view of the connection structure of the lifting chain and the lifting basket of the present invention;

fig. 7 is a schematic structural diagram of the driven mechanism of the present invention;

fig. 8 is a schematic structural view of a bottom plate of a protective sleeve in the present invention;

fig. 9 is a schematic structural view of a protective sleeve pressing plate of the present invention;

in the drawing, 1 is a lifter frame, 2 is a lifting mechanism, 3 is a lifting basket, 4 is a mounting frame, 5 is a lifting channel steel, 6 is a connecting frame, 7 is a frame channel steel, 8 is a worm gear speed reducing motor, 9 is a lifting chain, 10 is a driving chain wheel, 11 is an upper belt vertical seat bearing, 12 is a torque arm, 13 is a driven chain wheel, 14 is a lower belt vertical seat bearing, 15 is a driven shaft, 16 is a mounting seat, 17 is a telescopic protective sleeve, 18 is a protective sleeve bottom plate, 19 is a protective sleeve pressing plate, 20 is a protective sleeve connecting piece, 21 is a connecting bolt, 22 is a locking nut, 23 is a balance adjusting mechanism, 24 is a tensioning adjusting mechanism, 25 is an adjusting bolt, 26 is an adjusting nut, 27 is a tensioning bolt, 28 is a spring, 29 is a guide wheel body, 30 is a guide wheel shaft, 31 is a nut, 32 is a lining plate, 33 is a supporting plate, 34 is a connecting piece, 35 is a U-shaped assembly notch, 36 is a U-shaped groove, the restriction member 37 is a restriction member 37, and the restriction plane 38 is a restriction plane.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

As shown in fig. 1-9, chain elevator, including elevator frame 1, hoist mechanism 2, lifting basket 3, the fixed mounting bracket 4 that is provided with assembly hoist mechanism 2 in the top in elevator frame 1, 4 levels of mounting bracket are arranged, and lifting basket 3 sets up on elevator frame 1, and hoist mechanism 2 drives lifting basket 3 and is elevating movement in elevator frame 1.

In this application, elevator frame 1 is vertical frame, and vertical frame includes two vertical lift channel-section steels 5, through 6 fixed connection of link between two lift channel-

section steels

5, 5 inboards of lift channel-section steel are the slot rolling. Lifting basket 3 is enclosed by many frame channel-section steels 7 and closes and forms, is load-bearing platform in the middle of the lifting basket, transportation maintainer and work piece.

In the application, the lifting mechanism 2 comprises a driving mechanism and a transmission mechanism arranged at the bottom in the frame of the elevator; the driving mechanism provides lifting power, and the transmission mechanism transmits the lifting power of the driving mechanism to the lifting basket so as to drive the lifting basket to lift.

The driving mechanism comprises a worm gear speed reducing motor 8, a lifting chain 9, a driving sprocket 10 and an upper belt vertical seat bearing 11, the worm gear speed reducing motor 8 is arranged on the mounting rack 4 in a suspended manner through the upper belt vertical seat bearing 11, a torsion arm 12 is arranged between the worm gear speed reducing motor 8 and the mounting rack 4, and the driving sprocket 10 is arranged on a driving shaft of the worm gear speed reducing motor; the worm gear and worm gear speed reducing motor adopts double driving shafts, one driving shaft is correspondingly assembled on an upper belt vertical seat bearing in a rotating mode, the upper vertical seat bearing is fixedly assembled on the mounting frame, so that the worm gear and worm gear speed reducing motor is in a suspended mode, a driving chain wheel is installed on each driving shaft, and the driving chain wheel is driven in a double-chain mode, so that the lifting basket is stable in lifting motion. Through the suspended shape of the worm gear speed reducer and the arrangement of the torque arm, the phenomenon that the driving force of the worm gear speed reducer motor is transmitted to the driving sprocket to be blocked is avoided.

The transmission mechanism comprises two driven chain wheels 13, two groups of lower belt vertical seat bearings 14 and a driven shaft 15, wherein the driven chain wheels 13 are arranged on the corresponding groups of lower belt vertical seat bearings 14 through the driven shaft 15; a mounting seat 16 is fixedly arranged at the bottom in the frame of the elevator, and an assembly space of the transmission mechanism is arranged in the mounting seat 16; one end of a lifting chain 9 is fixedly connected to the upper part of the lifting basket, the other end of the lifting chain is fixedly connected to the lower part of the lifting basket, and the lifting chain is arranged between the driving chain wheel and the driven chain wheel in a transmission manner; the power of the worm gear speed reducing motor is transmitted to the lifting basket through the driving chain wheel, the lifting chain and the driven chain wheel in sequence.

In order to protect the exposed lifting chain, a telescopic protective sleeve 17 is arranged outside the lifting chain 9 and used for sleeving the lifting chain. Due to space constraints at the actuator, the end mounting position of the retractable protective sleeve 17 needs to be moved up here so that the actuator can be mounted inside the mounting base 16. Specifically, a protective sleeve bottom plate 18, a protective sleeve pressing plate 19 and a protective sleeve connecting piece 20 are arranged above the mounting seat 16, the protective sleeve bottom plate 18 is arranged above the mounting seat 16 in a suspended mode through a connecting bolt 21, the end portion of the protective sleeve 17 is located between the protective sleeve bottom plate 18 and the protective sleeve pressing plate 19, and the protective sleeve connecting piece 20 is used for fixedly connecting the protective sleeve pressing plate 19 to the protective sleeve bottom plate 18 so as to assemble and fix the lower end of the protective sleeve 17. A lock nut 22 is threadedly attached to the attachment bolt to lock the distance between the protective sheath base plate 18 and the mounting socket 16. The other ends of the telescopic protection sleeve can be connected only by adopting the protection sleeve bottom plate 18, the protection sleeve pressing plate 19 and the protection sleeve connecting piece 20.

In order to adjust the tension of the lifting chain and balance the lifting basket, one end of the lifting chain is connected with the lifting basket through a balance adjusting mechanism 23, and the other end of the lifting chain is connected with the lifting basket through a tension adjusting mechanism 24. The height balance position of the lifting basket can be adjusted through the balance adjusting mechanism 23, and the tension degree of the lifting chain can be adjusted through the tensioning adjusting mechanism 24.

Specifically, the balance adjusting mechanism 23 comprises an adjusting bolt 25 and an adjusting nut 26, the adjusting bolt 25 is in threaded connection with the lifting basket 3, the adjusting nut 26 is in threaded connection with the adjusting bolt 25 to lock the adjusting bolt, and the upper end of the adjusting bolt 25 is movably connected with one end of the lifting chain 9 in a pin shaft mode.

The tensioning adjusting mechanism 24 comprises a tensioning bolt 27 and a spring 28, the tensioning bolt 27 is in threaded connection with the lifting basket 3, the spring is pressed between the tensioning bolt 27 and the lifting basket 3, and the lower end of the tensioning bolt 27 is movably connected with the other end of the lifting chain 9 in a pin shaft mode.

In the application, the side part of the lifting basket is provided with a detachable guide wheel, and the detachable guide wheel comprises a guide wheel body 29, a guide wheel shaft 30, a nut 31, a lining plate 32, a supporting plate 33 and a connecting piece 34; the guide wheel body 29 is rotatably assembled at one end of the guide wheel shaft 30 through a bearing, and the guide wheel body is in rolling fit with the elevator frame; the guide wheel body 29 rolls in a rolling groove at the inner side of the lifting channel steel 5; the upper end and the lower end of two sides of the lifting basket are respectively provided with a detachable guide wheel, the end part of a frame channel steel 7 of the lifting basket (the upper end part and the lower end part of the frame channel steel) is provided with a U-shaped assembling notch 35, a lining plate 32 is fixedly welded at the inner side of the frame channel steel 7 of the lifting basket, a U-shaped groove 36 matched with the U-shaped assembling notch 35 is arranged below the lining plate 32, and the arrangement directions of the notches of the U-shaped assembling notch 35 and the U-shaped groove 36 are the same; the other end of the guide wheel shaft 30 penetrates through the U-shaped assembling notch 35 and the U-shaped groove 36 and is in threaded connection with the nut 31, so that the guide wheel shaft is locked on the frame channel steel; the supporting plate 33 is fixedly connected to the lining plate 32 through a connecting piece (bolt) 34, and the guide wheel shaft 30 is limited in the U-shaped groove; a restricting member 37 for restricting the rotation of the idler shaft about itself is provided between the idler shaft 30 and the pallet 33. The limiting member 37 is a limiting ring integrally formed in the middle of the idler shaft, and the limiting ring has a limiting plane 38, and the limiting plane 38 is contacted with the supporting plate 33 to form a matching structure. The plane of the limiting ring is vertical to the axis of the guide wheel shaft 30, and the limiting ring is attached to the outer side of the frame channel steel 7 of the lifting basket. Through the disassembly structure, the disassembly and the assembly of the guide wheel can be facilitated without disassembling other components in the elevator, wherein the supporting plate plays a role in fixing the guide wheel shaft and preventing the guide wheel shaft from rotating; the lining plate is welded with the frame channel steel, so that the stability of the guide wheel is improved, and the lining plate is used for mounting a supporting plate; the limiting part on the guide wheel shaft is attached to the outer side of the frame channel steel, so that the guide wheel shaft is perpendicular to the channel steel, and the position of the guide wheel is guaranteed.

Claims

1. A chain type elevator comprises an elevator frame, a lifting mechanism and a lifting basket, wherein a mounting frame for assembling the lifting mechanism is fixedly arranged at the top in the elevator frame, the lifting basket is arranged on the elevator frame, the lifting mechanism drives the lifting basket to move up and down in the elevator frame, the chain type elevator is characterized in that,

2. Chain elevator according to claim 1, characterized in that the hoisting chain is connected with the lifting basket at one end by means of a balance adjustment mechanism and at the other end by means of a tension adjustment mechanism.

3. The chain elevator as set forth in claim 2, wherein the balance adjustment mechanism includes an adjustment bolt threadedly coupled to the basket, and an adjustment nut threadedly coupled to the adjustment bolt to lock the adjustment bolt, the adjustment bolt being movably coupled to one end of the lifting chain.

4. The chain elevator as set forth in claim 2, wherein the tension adjusting mechanism includes a tension bolt threadedly coupled to the basket, an elastic member compressed between the tension bolt and the basket, the tension bolt being movably coupled to the other end of the lifting chain.

5. The chain elevator as claimed in claim 1, wherein a detachable guide wheel is installed at a side of the elevator basket, the detachable guide wheel including a guide wheel body, a guide wheel shaft, a nut, a lining plate, a support plate, and a connecting member;

6. Chain elevator according to claim 5, characterized in that the restricting member is a restricting ring fixedly arranged in the middle of the idler shaft, the restricting ring having a restricting plane which engages the carrier plate.

7. The chain elevator of claim 6, wherein the plane of the confinement ring is perpendicular to the axis of the idler shaft, and the confinement ring is in engagement with the frame channel of the basket.

8. Chain elevator according to claim 1, characterized in that the lifting chain is provided externally with a telescopic protective jacket in which the lifting chain is sleeved;

the bottom in the frame of the lifter is fixedly provided with a mounting seat, and the mounting seat is internally provided with an assembly space of the transmission mechanism;