CN217874040U

CN217874040U - Ball screw lifting type elevator

Info

Publication number: CN217874040U
Application number: CN202222319016.1U
Authority: CN
Inventors: 赵金龙
Original assignee: Hangzhou Longwei Transmission Co ltd
Current assignee: Hangzhou Longwei Transmission Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-22
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses an elevator of ball screw lift type, machine incasement portion runs through quick-witted case both sides and installs two worms of going into, two worm both ends top joints of going into have the parallel key, two worms of going into rotate the junction with quick-witted case and install tapered roller bearing, machine incasement portion and two worm gear meshing departments of going into install the worm wheel, worm wheel and quick-witted case junction joint have thrust ball bearing, worm wheel and thrust ball bearing internally mounted have the lead screw, the tapered roller bearing that two go into the worm outside makes two worms of going into rotate more stably, the screw and the worm wheel of lead screw and thrust ball bearing cooperation are installed in the elevator, can reduce elevator body overall height, thereby reduce the holistic volume of elevator, reduce holistic manufacturing cost, be equipped with the flange, the flat head, instrument joints such as lifting nut, can be according to different use scenes, can dismantle the change instrument joint at the lead screw head, the range of application is wider.

Description

Ball screw lifting type elevator

Technical Field

The utility model relates to a special equipment technical field specifically is a lift of ball screw lift type.

Background

The screw rod lifter is directly driven by a motor or other power to lift or lower a machine placed on the screw rod lifter, and is widely applied to various industries such as machinery, metallurgy, building and the like.

In the prior art, a screw rod elevator generally adopts a worm gear and a sliding friction type screw rod for transmission, and has the technical problems of large volume and small application range in the transmission process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lift of ball screw lift type can effectively solve above-mentioned background art, and lead screw lift generally adopts worm wheel and sliding friction type lead screw to carry out the transmission, has the problem that bulky, range of application are little among the transmission process.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lift of ball screw lift type, includes quick-witted case, machine incasement portion runs through quick-witted case both sides and installs two worms of going into, two worm both ends top joints of going into have the parallel key, two worms of going into rotate the junction with quick-witted case and install tapered roller bearing, tapered roller bearing outside joint has circlip, circlip is provided with the skeleton oil blanket with quick-witted case junction, quick-witted incasement portion installs the worm wheel with two worm gear engagement departments of going into, the worm wheel has thrust ball bearing with quick-witted case junction joint, worm wheel and thrust ball bearing internally mounted have the lead screw, the lead screw runs through quick-witted roof portion and bottom, lead screw bottom and quick-witted case junction joint have the plain washer, machine case one side is provided with the oil cap, machine case top surface and underrun through the fix with screw have sealed lid.

Preferably, the outer surface of the joint between the double-entry worm and the tapered roller bearing is a smooth curved surface.

Preferably, the top of the screw rod is respectively connected with a flange, a flat head and a lifting nut.

Preferably, connecting holes are formed in two sides of the top of the flat head, and threaded holes in the middle of the flange are matched with screw threads of the screw rod.

Preferably, the two thrust ball bearings have the same specification, the two ends of the double-entry worm have the same structure, and one end of the double-entry worm is connected with the external output end.

Preferably, the oil plug is connected with the chassis through a threaded hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with two worms of going into, tapered roller bearing, the worm wheel, thrust ball bearing and lead screw, the tapered roller bearing who goes into the worm outside two makes two worms of going into rotate more stably, the screw and the worm wheel of lead screw and the cooperation of thrust ball bearing are installed in the elevator, can reduce the whole height of elevator, thereby reduce the holistic volume of elevator, reduce holistic manufacturing cost, tapered roller bearing and thrust ball bearing and the cooperation of going into between worm and the lead screw make the complete machine operation more reliable, be equipped with the flange, the flat head, instrument joints such as lifting nut, can be according to the use scene of difference, can dismantle change instrument joint at the lead screw head, the range of application is wider, cooperation automatic control software and sharp location direction, can more realize light intelligence and control, accurate opening stops, accurate positioning.

2. Be provided with the oil cap, changed the lubricating structure in traditional lift, set up oil circuit lubricating structure on quick-witted case, through oil cap to quick-witted incasement interpolation lubricating oil, can further reduce the volume of elevator body, reduce cost, in addition, the utility model discloses still adopt lubricating oil to replace the grease lubrication of traditional lift, can solve the overheated problem of lift continuous operation, add lubricating oil between worm wheel and two worms of going into, can also reduce the frictional force between worm wheel and two worms of going into, improve the transmission efficiency between worm wheel and the two worms of going into to improve lifting speed, utilize emollient can also reduce the noise that produces when the lift moves.

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 installation structure of the oil plug of the present invention;

fig. 2 is a schematic view of the mounting structure of the tapered roller bearing of the present invention;

fig. 3 is a schematic view of the installation structure of the flange of the present invention;

FIG. 4 is a schematic view of the mounting structure of the flathead of the present invention;

fig. 5 is a schematic view of the installation structure of the lifting nut of the present invention;

fig. 6 is a schematic view of the installation structure of the thrust ball bearing of the present invention;

reference numbers in the figures: 1. a chassis; 2. double entry worm; 3. a flat bond; 4. a tapered roller bearing; 5. a circlip; 6. framework oil seal; 7. a worm gear; 8. a thrust ball bearing; 9. a screw rod; 10. a flat gasket; 11. an oil plug; 12. a sealing cover; 13. a flange; 14. flattening the head; 15. and lifting the nut.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-6, the utility model provides a ball screw lifting type elevator, which comprises a case 1, a double-inlet worm 2 is installed inside the case 1 and runs through two sides of the case 1, flat keys 3 are clamped at the tops of two ends of the double-inlet worm 2, the two ends of the double-inlet worm 2 have the same structure, one end of the double-inlet worm 2 is connected with an external output end, so that the assembling machine is more flexible, a tapered roller bearing 4 is installed at the rotating joint of the double-inlet worm 2 and the case 1, the outer surface of the joint between the double-inlet worm 2 and the tapered roller bearing 4 is a smooth curved surface, so that the double-inlet worm 2 rotates more stably, the noise generated by rotation is lower, an elastic retainer ring 5 is clamped at the outer side of the tapered roller bearing 4, a framework oil seal 6 is arranged at the joint between the elastic retainer ring 5 and the case 1, a worm wheel 7 is installed at the gear meshing position inside the case 1 and the double-inlet worm 2, the connecting part of the worm wheel 7 and the case 1 is clamped with a thrust ball bearing 8, the two thrust ball bearings 8 have the same specification, so that the worm wheel 7 can smoothly rotate, the worm wheel 7 and the thrust ball bearing 8 are internally provided with a lead screw 9, the lead screw 9 penetrates through the top and the bottom of the case 1, the tops of the three lead screws 9 are respectively connected with a flange 13, a flat head 14 and a lifting nut 15, two sides of the top of the flat head 14 are provided with connecting holes for being conveniently connected with an external device, a threaded hole in the middle of the flange 13 is mutually matched with a thread of the lead screw 9, so that the flange 13 can smoothly rotate on the lead screw 9, according to different use scenes, the head of the lead screw 9 can be disassembled and replaced by a tool joint, the machine assembly is flexible, the connecting part of the bottom of the lead screw 9 and the case 1 is clamped with a flat gasket 10, one side of the case 1 is provided with an oil plug 11, the oil plug 11 is connected with the case 1 through the threaded hole, so that lubricating oil can be added into the case 1, and the top surface and the bottom surface of the case 1 are fixed with a sealing cover 12 through screws.

The utility model discloses a theory of operation and use flow: when the elevator is used, one end of the double-in worm 2 is clamped with a motor or other power for fixed installation, the flat key 3 plays a role of fixed clamping, the tapered roller bearing 4 outside the double-in worm 2 enables the double-in worm 2 to rotate more stably, the gear meshing end of the double-in worm 2 is connected with the worm wheel 7, the rotation of the double-in worm 2 drives the worm wheel 7 to rotate, and the worm wheel 7 drives the lead screw 9 to rotate and lift, so that the lifting and descending are realized;

the utility model discloses changed the lubricating structure in traditional lift, set up oil circuit lubricating structure on the quick-witted case 1 body, through oil end cap 11 to quick-witted incasement interpolation lubricating oil, can further reduce the volume of lift organism, reduce cost, in addition, the utility model discloses still adopt lubricating oil to replace the grease lubrication of traditional lift, can solve the overheated problem of lift continuous operation, add lubricating oil between worm wheel 7 and two income worms 2, can also reduce the frictional force between worm wheel 7 and two income worms 2, improve worm wheel 7 and two transmission efficiency between income worms 2 to improve the lifting speed, utilized emollient can also reduce the noise that produces when the lift moves.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lift of ball screw lift type, includes quick-witted case (1), its characterized in that, quick-witted case (1) inside runs through quick-witted case (1) both sides and installs two worms (2) of going into, two worm (2) both ends top joint has parallel key (3), two worm (2) of going into rotate the junction with quick-witted case (1) and install tapered roller bearing (4), tapered roller bearing (4) outside joint has circlip (5), circlip (5) are provided with skeleton oil blanket (6) with quick-witted case (1) junction, quick-witted case (1) inside and two worm (2) gear engagement departments of going into install worm wheel (7), worm wheel (7) and quick-witted case (1) junction joint have thrust ball bearing (8), worm wheel (7) and thrust ball bearing (8) internally mounted have ball bearing (9), lead screw (9) run through quick-witted case (1) top and bottom, lead screw (9) bottom and quick-witted case (1) junction joint have flat gasket (10), quick-witted case (1) one side is provided with oil (11), quick-witted case (1) top surface and bottom surface are fixed screw cap (12) and have end cap screw.

2. A ball screw lift type elevator according to claim 1, wherein the outer surface of the junction between the double entry worm (2) and the tapered roller bearing (4) is a smooth curved surface.

3. A ball screw lifting type elevator according to claim 1, characterized in that three of said screws (9) are connected at the top with a flange (13), a flat head (14) and a lifting nut (15), respectively.

4. A ball screw lifting type elevator according to claim 3, wherein the flat head (14) is provided with connection holes at both sides of the top thereof, and the threaded hole in the middle of the flange (13) is in threaded engagement with the screw (9).

5. A ball screw elevator type lift according to claim 1, characterized in that said two thrust ball bearings (8) are of the same size and said double entry worm (2) is structurally identical at both ends, one of them being connected to an external output.

6. A ball screw lifting elevator according to claim 1, characterized in that the oil plug (11) is connected to the cage (1) by means of a threaded hole.