CN210193282U

CN210193282U - Guide rail type worm gear lifter stable in operation

Info

Publication number: CN210193282U
Application number: CN201920964163.XU
Authority: CN
Inventors: Lili Chen; 陈丽丽; Qian Jin; 金�谦
Original assignee: Shanghai Yijie Transmission Machinery Co Ltd
Current assignee: Shanghai Yijie Transmission Machinery Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-03-27
Anticipated expiration: 2029-06-25

Abstract

The utility model relates to the technical field of mechanical equipment, specifically be a guide tracked worm wheel riser that operates steadily, worm wheel and lead screw including worm-gear case and internally mounted, the top of lead screw is passed through the bolt fastening and is had a platform, and a plurality of screw holes have been seted up in the outside of top platform, and the outside joint of top platform has the guide ring, and the outside of worm-gear case is provided with the guide rail seat, and the outside welding of guide ring has a plurality of connecting pipes, and the internal connection of connecting pipe has the guide arm, and a plurality of jacks have been seted up to the top surface of guide rail seat, and the inside grafting and the welding of jack have a cast guide rail, and. The utility model discloses a lead screw top at the worm gear riser has fixed the guide ring to fixing the guide rail seat on the same horizontal plane of worm gear riser, the guide arm that the guide ring outside is connected is vertical slip in the guide rail seat, has shared the eccentric pressure that the lead screw of worm gear riser received, makes its steady lift.

Description

Guide rail type worm gear lifter stable in operation

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically be a guide tracked worm wheel riser that operates steadily.

Background

The worm gear lifter is also called as a worm gear lead screw lifter, and is connected with a worm through a motor and driven to rotate, so that a worm gear meshed with the worm also horizontally rotates along with the worm gear, and the lead screw in threaded connection inside the worm gear is driven to rotate and lift along with the worm gear, thereby realizing lifting and ejection. Its wide application is in trades such as machinery, metallurgy, building, hydraulic equipment, because the equipment or the goods of these trades are very big and weight is very heavy only depends on the lead screw lift ejection of worm gear riser, and the focus skew of heavy object can make the worm gear riser rock, and long-time back just can lead to the material riser unstable, is unfavorable for steady ejection heavy object. In view of this, we propose a rail-type worm gear lifter that operates smoothly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guide tracked worm gear riser that operates steadily to solve the long-time ejection heavy object of worm gear riser that proposes in the above-mentioned background art, the problem of unstable state can appear.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a guide tracked worm wheel riser that operates steadily, includes worm-gear case and internally mounted's worm wheel and lead screw, the top of lead screw is fixed with a platform through the bolt, a plurality of screw holes have been seted up in the outside of top platform, the outside joint of top platform has the guide ring, the outside of worm-gear case is provided with the guide rail seat, the outside welding of guide ring has a plurality of connecting pipes, the inside of connecting pipe is equipped with the internal thread, the internal connection of connecting pipe has the guide arm, the one end outside of guide arm is equipped with the external screw thread, the internal thread with external screw thread threaded connection, a plurality of jacks have been seted up to the top surface of guide rail seat, the inside grafting of jack has the cast guide rail, the cast guide rail with the guide.

Preferably, the connecting pipes are distributed in an annular shape at equal intervals, and the guide rods are L-shaped.

Preferably, the guide ring is of a ring structure, the outer side of the guide ring is annular, through holes are formed in the outer side of the guide ring at equal intervals, and the through holes correspond to the positions of the threaded holes.

Preferably, the guide rail seat is of a circular ring structure, and the insertion hole penetrates through the guide rail seat.

Preferably, the tubular guide rail is of a circular tube structure, and the length of the tubular guide rail is greater than that of the wire rod.

Preferably, the worm wheel is in threaded connection with the screw rod.

Preferably, a worm is installed inside the worm gear box, and the worm is meshed with the worm gear.

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

this guide tracked worm wheel riser that operates steadily has fixed the guide tracked seat through the lead screw top at worm wheel riser to fixing on the same horizontal plane of worm wheel riser, the guide arm of connecting in the guide tracked seat outside the guide tracked seat vertical slip, has shared the eccentric pressure that worm wheel riser's lead screw received, makes its steady lift.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the worm gear case of the present invention;

FIG. 3 is a schematic view of the internal structure of the turbine box of the present invention;

fig. 4 is an exploded view of the guide ring of the present invention;

fig. 5 is an exploded view of the rail seat of the present invention.

In the figure: 1. a worm gear case; 10. a worm gear; 11. a screw rod; 12. a top stage; 120. a threaded hole; 13. a worm; 2. a guide ring; 20. a connecting pipe; 200. an internal thread; 21. a guide bar; 210. an external thread; 22. a through hole; 3. a guide rail seat; 30. a jack; 31. a tubular guide rail.

Detailed Description

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

In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

A guide rail type worm gear lifter which runs stably is provided with a guide ring 2 and a guide rail seat 3 in order to facilitate the stable lifting of the worm gear lifter, as a preferred embodiment, as shown in FIG. 1, FIG. 2, FIG. 3, FIG. 4 and FIG. 5, the guide rail type worm gear lifter comprises a worm gear case 1, a worm wheel 10 and a screw rod 11 which are arranged in the worm gear case 1, a top platform 12 is fixed at the top end of the screw rod 11 through bolts, a plurality of threaded holes 120 are arranged on the outer side of the top platform 12, the guide ring 2 is clamped on the outer side of the top platform 12, the guide rail seat 3 is arranged on the outer side of the worm gear case 1, a plurality of connecting pipes 20 are welded on the outer side of the guide ring 2, an internal thread 200 is arranged in the connecting pipes 20, a guide rod 21 is connected in the connecting pipes 20, an external thread 210 is arranged on the outer side of one end of the guide rod 21, the tubular guide 31 is inserted and slid with the guide bar 21.

In this embodiment, the guide ring 2 and the guide rail seat 3 are cast into an integral structure by cast iron, and the strength is rigid, so that the guide ring is durable.

Further, the connecting pipe 20 is annular and equidistant distribution, makes the even pressure that is born connecting pipe 20 of bearing of guide ring 2, and guide arm 21 is the L type, and the length of its top horizontal segment can customize the length according to the demand, plays the supporting role.

Specifically, the guide ring 2 is of a circular ring structure, the outer side of the guide ring is annular, through holes 22 are formed in the outer side of the guide ring and are arranged at equal intervals, the through holes 22 correspond to the threaded holes 120 in position, and bolts penetrate through the through holes 22 and are screwed in the threaded holes 120, so that the guide ring 2 is fixedly connected with the top table 12.

Further, guide rail seat 3 is the ring structure, and jack 30 runs through in guide rail seat 3 for a plurality of cast guide rails 31 connect into whole with guide rail seat 3, and is more firm, thereby keeps cast guide rail 31 vertical, does benefit to the steady lift of guide arm 21, can guarantee that lead screw 11 steadily goes up and down.

Specifically, the tubular guide rail 31 is of a circular tube structure, and the length of the tubular guide rail 31 is greater than that of the screw rod 11, so that the screw rod 11 is prevented from being raised to the top end, and the guide rod 21 is prevented from slipping from the tubular guide rail 31.

Besides, the worm wheel 10 is in threaded connection with the lead screw 11, and as the worm wheel 10 is horizontally arranged in the worm wheel box 1, when the worm wheel 10 rotates, the lead screw 11 facilitates the relative movement of the worm wheel 10, namely the lead screw 11 can be lifted by folding the rotation of the worm wheel 10.

It is worth noting that the worm 13 is arranged inside the worm gear case 1, the worm 13 is meshed with the worm gear 10, the outer end of the worm 13 is coaxially connected with a motor, a power supply of the motor is switched on to enable the worm to work, the worm 13 is driven to rotate in a driving mode, the worm gear 10 is driven to rotate, and then the screw rod 11 is driven to lift.

The utility model discloses a guide tracked worm gear riser that operates steadily is when using, dig the hole on the ground earlier, all insert the hole with worm-gear case 1's bottom and cast guide rail 31, and pour into the outside through cement, make them firm in the ground, reuse bolt is fixed worm-gear case 1 subaerial, make it more firm, in 21 screw in connecting pipe 20 of guide arm, and make its vertical section pass jack 30 and insert in cast guide rail 31, make 2 cards of guide ring in the outside of footstock 12 again, and pass through-hole 22 with the bolt and screw in screw hole 120, make guide ring 2 and footstock 12 connect into wholly, thereby whole lift, the horizontal segment through guide arm 21 is supporting the heavy object jointly, and through the vertical slip of guide arm 21 in cast guide rail 31, thereby guarantee the steady lift of lead screw 11.

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 guide tracked worm wheel riser that operates steadily, includes worm gear case (1) and internally mounted's worm wheel (10) and lead screw (11), its characterized in that: the top end of the screw rod (11) is fixed with a top platform (12) through a bolt, the outer side of the top platform (12) is provided with a plurality of threaded holes (120), a guide ring (2) is clamped at the outer side of the top platform (12), a guide rail seat (3) is arranged at the outer side of the worm gear case (1), a plurality of connecting pipes (20) are welded on the outer side of the guide ring (2), internal threads (200) are arranged inside the connecting pipes (20), a guide rod (21) is connected inside the connecting pipe (20), an external thread (210) is arranged on the outer side of one end of the guide rod (21), the internal thread (200) is in threaded connection with the external thread (210), a plurality of jacks (30) are formed in the top surface of the guide rail seat (3), the inner part of the jack (30) is spliced and welded with a tubular guide rail (31), and the tubular guide rail (31) is spliced and slides with the guide rod (21).

2. The smoothly running rail-type worm-gear lifter according to claim 1, characterized in that: the connecting pipes (20) are distributed in an annular shape at equal intervals, and the guide rods (21) are L-shaped.

3. The smoothly running rail-type worm-gear lifter according to claim 1, characterized in that: the guide ring (2) is of a ring structure, the outer side of the guide ring is annular, through holes (22) are formed in the outer side of the guide ring at equal intervals, and the through holes (22) correspond to the positions of the threaded holes (120).

4. The smoothly running rail-type worm-gear lifter according to claim 1, characterized in that: the guide rail seat (3) is of a circular ring structure, and the insertion holes (30) penetrate through the guide rail seat (3).

5. The smoothly running rail-type worm-gear lifter according to claim 1, characterized in that: the tubular guide rail (31) is of a circular tube structure, and the length of the tubular guide rail is greater than that of the screw rod (11).

6. The smoothly running rail-type worm-gear lifter according to claim 1, characterized in that: the worm wheel (10) is in threaded connection with the screw rod (11).

7. The smoothly running rail-type worm-gear lifter according to claim 1, characterized in that: a worm (13) is installed inside the worm gear box (1), and the worm (13) is meshed with the worm gear (10).