CN210944698U

CN210944698U - Elevator with worm gear case combination

Info

Publication number: CN210944698U
Application number: CN201921471654.7U
Authority: CN
Inventors: 周立刚
Original assignee: Boneng Transmission Suzhou Co Ltd
Current assignee: Boneng Transmission Suzhou Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-07
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a take lift of worm gear case combination, including worm gear case and lift, the worm gear case is joined in marriage through flange and lift combination dress, the worm gear case mainly comprises input flange, stifle, first oil blanket, first organism, first bearing, first worm wheel, output flange, intermediate flange and connecting axle, the lift mainly comprises second oil blanket, second worm, second bearing, input end cover, third oil blanket, sleeve pipe, clamp plate, lead screw, fourth oil blanket, worm-wheel shaft, third bearing, bearing frame, fifth oil blanket, pressure cover and lift shell, install the input flange on the first organism, install first worm on the input flange, the stifle is installed to first organism bottom. The utility model discloses, the worm-gear case passes through flange and elevator combination dress, and the transmission velocity ratio is big, and load capacity is high, compact structure, and the mounting dimension is little, is applicable to the elevating system of low-speed heavy load.

Description

Elevator with worm gear case combination

Technical Field

The utility model relates to a lifting device technical field specifically is a take lift of worm gear case combination.

Background

The worm gear lead screw lifter is widely applied to various platforms needing to move up and down. Chinese patent with publication number CN202080851U discloses a worm gear lead screw lifter, which comprises a reduction box body, a flange plate, a lifting shaft and a worm gear transmission pair arranged in the reduction box body, wherein the flange plate is fixed on the reduction box body, the lead screw end of the lifting shaft and the trapezoidal thread arranged in the worm gear inner hole form a trapezoidal thread transmission pair, and the lifting shaft passes through the flange plate inner hole. When the gearbox works, the position of the lifting shaft is fixed, the worm rotates and drives the worm wheel to rotate, and the worm wheel drives the screw rod to rotate, so that the purpose that the gearbox body is lifted along the lifting shaft is achieved.

The transmission speed ratio is small, the load capacity is low, and the space is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take lift of worm gear case combination to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a lift with a worm gear box combination comprises a worm gear box and a lift, wherein the worm gear box is assembled with the lift through a connecting flange, the worm gear box mainly comprises an input flange, a blank cap, a first oil seal, a first machine body, a first bearing, a first worm wheel, an output flange, an intermediate flange and a connecting shaft, the lift mainly comprises a second oil seal, a second worm, a second bearing, an input end cap, a third oil seal, a sleeve, a pressing plate, a screw rod, a fourth oil seal, a worm wheel shaft, a third bearing, a bearing seat, a fifth oil seal, a pressing sleeve and a lift shell, the input flange is installed on the first machine body, the first worm is installed on the input flange, the blank cap is installed at the bottom end of the first machine body, the connecting shaft is installed in the first machine body, the first worm wheel meshed with the first worm is fixed on the connecting shaft, the intermediate flange is installed at the top end of the first machine body, the middle flange is connected with the elevator shell through a connecting flange, a second worm, a screw rod and a worm wheel shaft are installed in the elevator shell, a pressing plate is installed at the bottom end of the screw rod, a sleeve is installed on the outer side, located at one end of the screw rod, of the elevator shell, the second worm and the screw rod penetrate through the elevator shell, the second worm is meshed with the worm wheel shaft and connected with the screw rod, the worm wheel shaft is installed on the screw rod, the second worm is connected with the connecting shaft, one end of the second worm is input through a shaft, and the other end of the second worm is a flat key hollow inner hole.

Preferably, a first bearing and a first oil seal are arranged at the joint of the connecting shaft and the first machine body, and the first oil seal is positioned on the outer side of the first bearing.

Preferably, a second oil seal is arranged between the second worm and the connecting flange, a second bearing is arranged between the second worm and the elevator shell, an input end cover is installed at the top end of the elevator shell, and a third oil seal is arranged between the second worm and the input end cover.

Preferably, a bearing seat is installed at the top end of the elevator shell, a pressing sleeve is installed at the top end of the bearing seat, a third bearing and a fourth oil seal are arranged between the worm wheel shaft and the elevator shell, and a third bearing and a fifth oil seal are arranged between the worm wheel shaft and the bearing seat.

Compared with the prior art, the beneficial effects of the utility model are that: the worm gear box is assembled with the lifter through the connecting flange, so that the transmission speed ratio is large, the load capacity is high, the structure is compact, the installation size is small, and the worm gear box is suitable for a low-speed heavy-load lifting mechanism; one end of the second worm is used for shaft input, the other end of the second worm is a flat key hollow inner hole, the second worm can be directly connected with the connecting shaft, and the space structure is compact.

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 structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the elevator of the present invention.

In the figure: 1. an input flange; 2. covering the blank with a cover; 3. a first oil seal; 4. a first body; 5. a first bearing; 6. a first worm; 7. a first worm gear; 8. an output flange; 9. a middle flange; 10. a connecting shaft; 11. a connecting flange; 12. a second oil seal; 13. a second worm; 14. a second bearing; 15. an input end cap; 16. a third oil seal; 17. a sleeve; 18. pressing a plate; 19. a screw rod; 20. a fourth oil seal; 21. a worm gear shaft; 22. a third bearing; 23. a bearing seat; 24. a fifth oil seal; 25. and (5) pressing the sleeve.

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.

Referring to fig. 1-2, in an embodiment of the present invention, a lift with a worm gear case assembly includes a worm gear case and a lift, the worm gear case is assembled with the lift by a connecting flange 11, the worm gear case mainly includes an input flange 1, a blank cap 2, a first oil seal 3, a first machine body 4, a first bearing 5, a first worm 6, a first worm wheel 7, an output flange 8, an intermediate flange 9 and a connecting shaft 10, the lift mainly includes a second oil seal 12, a second worm 13, a second bearing 14, an input end cap 15, a third oil seal 16, a sleeve 17, a pressing plate 18, a lead screw 19, a fourth oil seal 20, a worm wheel shaft 21, a third bearing 22, a bearing seat 23, a fifth oil seal 24, a pressing sleeve 25 and a lift housing, the input flange 1 is installed on the first machine body 4, the first worm 6 is installed on the input flange 1, the blank cap 2 is installed at the bottom end of the first machine body 4, a connecting shaft 10 is arranged in the first machine body 4, a first worm wheel 7 meshed with a first worm 6 is fixed on the connecting shaft 10, an intermediate flange 9 is arranged at the top end of the first machine body 4, the intermediate flange 9 is connected with a lifter shell through a connecting flange 11, a second worm 13, a screw rod 19 and a worm wheel shaft 21 are arranged in the lifter shell, a pressing plate 18 is arranged at the bottom end of the screw rod 19, a sleeve 17 is arranged on the outer side of the lifter shell at one end of the screw rod 19, the second worm 13 and the screw rod 19 both penetrate through the lifter shell, the second worm 13 is meshed with the worm wheel shaft 21, the worm wheel shaft 21 is arranged on the screw rod 19, the second worm 13 is connected with the connecting shaft 10, a first bearing 5 and a first oil seal 3 are arranged at the joint of the connecting shaft 10 and the first machine body 4, the first oil seal 3 is arranged on the outer side of the first bearing 5, a second bearing 14 is arranged between the second worm 13 and the elevator shell, an input end cover 15 is arranged at the top end of the elevator shell, a third oil seal 16 is arranged between the second worm 13 and the input end cover 15, a bearing seat 23 is arranged at the top end of the elevator shell, a pressing sleeve 25 is arranged at the top end of the bearing seat 23, a third bearing 22 and a fourth oil seal 20 are arranged between the worm wheel shaft 21 and the elevator shell, and a third bearing 22 and a fifth oil seal 24 are arranged between the worm wheel shaft 21 and the bearing seat 23; one end of the second worm 13 is used as a shaft input, and the other end of the second worm is a flat key hollow inner hole which can be directly connected with the connecting shaft 10, so that the space structure is compact; the worm gear box is assembled with the lifter through the connecting flange 11, so that the transmission speed ratio is large, the load capacity is high, the structure is compact, the installation size is small, and the worm gear box is suitable for a low-speed heavy-load lifting mechanism.

The utility model discloses a theory of operation is: the first worm 6 rotates to drive the first worm wheel 7 and the connecting shaft 10 to rotate, the connecting shaft 10 rotates to drive the second worm 13 to rotate, the second worm 13 rotates to drive the worm wheel shaft 21 to rotate, the worm wheel shaft 21 rotates to drive the screw rod 19 to lift, the worm wheel box is assembled with the lifter through the connecting flange 11, the transmission speed ratio is large, the load capacity is high, the structure is compact, the installation size is small, and the lifting mechanism is suitable for low-speed and large-load lifting mechanisms; one end of the second worm 13 is used as a shaft input, the other end of the second worm 13 is a flat key hollow inner hole, and the second worm can be directly connected with the connecting shaft 10, so that the space structure is compact.

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 in the foregoing embodiments, 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 take lift of worm gear case combination, includes worm gear case and lift, its characterized in that: the worm gear box is assembled with a lifter through a connecting flange (11), the worm gear box mainly comprises an input flange (1), a blank cap (2), a first oil seal (3), a first machine body (4), a first bearing (5), a first worm (6), a first worm gear (7), an output flange (8), an intermediate flange (9) and a connecting shaft (10), the lifter mainly comprises a second oil seal (12), a second worm (13), a second bearing (14), an input end cover (15), a third oil seal (16), a sleeve (17), a pressing plate (18), a screw rod (19), a fourth oil seal (20), a worm gear shaft (21), a third bearing (22), a bearing seat (23), a fifth oil seal (24), a pressing sleeve (25) and a lifter shell, the input flange (1) is installed on the first machine body (4), and the first worm (6) is installed on the input flange (1), the elevator is characterized in that a blank cap (2) is installed at the bottom end of the first machine body (4), a connecting shaft (10) is installed in the first machine body (4), a first worm wheel (7) meshed with a first worm (6) is fixed on the connecting shaft (10), an intermediate flange (9) is installed at the top end of the first machine body (4), the intermediate flange (9) is connected with an elevator shell through a connecting flange (11), a second worm (13), a lead screw (19) and a worm wheel shaft (21) are installed in the elevator shell, a pressing plate (18) is installed at the bottom end of the lead screw (19), a sleeve (17) is installed on the outer side, located at one end of the lead screw (19), of the elevator shell, the second worm (13) and the lead screw (19) penetrate through the elevator shell, the second worm (13) is meshed with the worm wheel shaft (21), and the worm wheel shaft (21) is installed on the, the second worm (13) is connected with the connecting shaft (10), one end of the second worm (13) is used as shaft input, and the other end of the second worm (13) is a flat key hollow inner hole.

2. The elevator with worm-gear case combination as set forth in claim 1, wherein: the connecting shaft (10) and the first machine body (4) are provided with a first bearing (5) and a first oil seal (3), and the first oil seal (3) is located on the outer side of the first bearing (5).

3. The elevator with worm-gear case combination as set forth in claim 1, wherein: a second oil seal (12) is arranged between the second worm (13) and the connecting flange (11), a second bearing (14) is arranged between the second worm (13) and the elevator shell, an input end cover (15) is installed at the top end of the elevator shell, and a third oil seal (16) is arranged between the second worm (13) and the input end cover (15).

4. The elevator with worm-gear case combination as set forth in claim 1, wherein: the elevator is characterized in that a bearing seat (23) is installed at the top end of the elevator shell, a pressing sleeve (25) is installed at the top end of the bearing seat (23), a third bearing (22) and a fourth oil seal (20) are arranged between the worm wheel shaft (21) and the elevator shell, and a third bearing (22) and a fifth oil seal (24) are arranged between the worm wheel shaft (21) and the bearing seat (23).