CN219906823U

CN219906823U - Screw rod lifter

Info

Publication number: CN219906823U
Application number: CN202321121049.3U
Authority: CN
Inventors: 杨成; 杨关友
Original assignee: Hangzhou Xingyu Transmission Co ltd
Current assignee: Hangzhou Xingyu Transmission Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-10-27
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses a screw rod lifter, which relates to the field of lifters and comprises a screw rod part and a bearing part, wherein the bearing part moves along the axial direction of the screw rod part, the bearing part is provided with a first driving shaft and a second driving shaft, the first driving shaft is coaxially provided with a first driving gear, the second driving shaft is coaxially provided with a second driving gear, the first driving gear is meshed with the second driving gear, and the diameter of the second driving gear is smaller than that of the first driving gear; through the technical scheme, in actual use, the first driving shaft and the second driving shaft are connected with the output shaft of the motor, and the diameter of the second driving gear is smaller than that of the first driving gear, so that in use, the output shaft of the motor is connected with the first driving shaft or the second driving shaft according to actual requirements, and when the output shaft of the motor is connected with the second driving shaft, the rotation angular speed of the second driving shaft is greater than that of the first driving shaft, and the lifting precision of the lifter is improved.

Description

Screw rod lifter

Technical Field

The present utility model relates to the field of elevators, and more particularly to a screw elevator.

Background

The worm wheel screw rod lifter can be widely used in various industries such as machinery, metallurgy, construction, chemical industry, medical treatment, cultural sanitation and the like. The lifting or pushing height can be accurately controlled and regulated according to a certain program, and the lifting or pushing device can be directly driven by a motor or other power, and can also be manually driven.

For example, a Chinese utility patent with the patent publication number of CN216512603U discloses a novel bidirectional SWL screw lifter. The device comprises a first flange plate, a screw rod, a guide sleeve, a main box body, a transmission piece and a second flange plate; the first flange plate and the second flange plate are respectively arranged at two ends of the screw rod; the main box body is provided with a channel for the screw rod to pass through; the upper end of the channel is provided with a small cover, the lower end of the channel is provided with a large cover, and both ends of the channel opening are respectively provided with a guide sleeve; the guide sleeve is coaxial with the screw rod and is in clearance fit; the transmission piece comprises a shell, a worm and a worm wheel; the shell is arranged on the large cover and communicated with the channel, and a rotating worm wheel is arranged in the shell; the worm is rotatably arranged on the shell, one end of the worm is connected with the external driving piece, and the other end of the worm extends into the shell and is meshed with the worm wheel through a tooth shape; the worm wheel is meshed with the screw rod.

In practical use, there is a need for lifting accuracy of an elevator, and the existing elevator is inconvenient to adjust the lifting accuracy and needs to be improved.

Disclosure of Invention

The utility model provides a screw rod lifter for lifting precision of the lifter.

The utility model provides a screw rod lifter, which adopts the following technical scheme:

the screw rod lifter comprises a screw rod portion and a bearing portion, wherein the bearing portion moves along the axis direction of the screw rod portion, the bearing portion is provided with a first driving shaft and a second driving shaft, the first driving shaft is coaxially provided with a first driving gear, the second driving shaft is coaxially provided with a second driving gear, the first driving gear is meshed with the second driving gear, and the diameter of the second driving gear is smaller than that of the first driving gear.

Through the technical scheme, in actual use, the first driving shaft and the second driving shaft are connected with the output shaft of the motor, and the diameter of the second driving gear is smaller than that of the first driving gear, so that in use, the output shaft of the motor is connected with the first driving shaft or the second driving shaft according to actual requirements, and when the output shaft of the motor is connected with the second driving shaft, the rotation angular speed of the second driving shaft is greater than that of the first driving shaft, and the lifting precision of the lifter is improved.

Further, the bearing part is provided with a sliding hole, the driving shaft II slides in the sliding hole, the bearing part is also provided with a limiting piece, and the limiting piece limits the driving shaft II to slide.

Through the technical scheme, in actual use, when the output shaft of the motor needs to be controlled to be connected with the driving shaft I, if the driving gear II of the driving shaft II is meshed with the driving gear I of the driving shaft I, output waste can be caused, and therefore the driving shaft II is arranged to slide in the sliding hole, the connection between the driving shaft II and the driving shaft I is disconnected according to actual requirements, the driving shaft II is limited through the limiting piece, and output waste is reduced.

Further, the limiting piece comprises a limiting plate and a limiting pin, the limiting plate is coaxially sleeved on the second driving shaft, the limiting plate rotates on the second driving shaft, and the limiting pin penetrates through the limiting plate and is embedded into the bearing part to limit the second driving shaft to slide.

Through above-mentioned technical scheme, set up limiting plate and spacer pin, carry out the spacing of drive shaft two through the spacer pin, reduced in the in-service use drive shaft two take place the condition of removing for holistic use is more stable.

Further, the mounting plate can be dismantled to lead screw portion one end, the one end that the mounting plate kept away from the portion of bearing is equipped with the handle.

Through above-mentioned technical scheme, set up mounting panel and handle, convenient to use person carries out the removal of lead screw lift through the handle for holistic removal is more convenient.

Further, the mounting panel is equipped with the groove of stepping down, the groove of stepping down is located the one end that the bearing portion was kept away from to the mounting panel, the handle articulates in the groove wall of stepping down.

Through above-mentioned technical scheme, set up the groove of stepping down, rotate the handle and imbed the groove of stepping down when not needing to remove wholly, save space, the placing of handle of being convenient for.

Further, the handle is provided with a limiting rod, the limiting rod is hinged to the side wall of the handle, and the limiting rod is used for abutting against one end, away from the bearing part, of the mounting plate.

Through above-mentioned technical scheme, in carrying out screw lift's transport removal in-process in fact, articulated handle easily makes wholly produce and rocks, consequently sets up the gag lever post, contradicts the mounting panel through the gag lever post and keep away from the one end of loading part, has reduced holistic rocking for holistic transport removes more stably.

Further, the handle is provided with anti-skid patterns.

Through the technical scheme, the anti-skid patterns are arranged, so that the probability of loosening when the handle is held is smaller, and the whole use is more stable.

Further, the lead screw portion is provided with a supporting plate, and the supporting plate is located at one end, far away from the mounting plate, of the lead screw portion.

Through above-mentioned technical scheme, in the in-service use, owing to bear the existence of portion for the device is inconvenient to place, consequently set up the backup pad, the device of being convenient for places.

In summary, the present utility model includes at least one of the following beneficial technical effects:

(1) By arranging the first driving shaft and the second driving shaft, the output shaft of the motor is connected with the first driving shaft or the second driving shaft, and when the output shaft of the motor is connected with the second driving shaft, the rotation angular speed of the second driving shaft is greater than that of the first driving shaft, so that the lifting precision of the lifter is improved;

(2) The driving shaft II is arranged to slide in the sliding hole, the driving shaft II is disconnected with the driving shaft I according to actual demands, and the driving shaft II is limited by the limiting piece, so that the waste of output is reduced;

(3) Through setting up limiting plate and spacer pin, carry out the spacing of drive shaft two through the spacer pin, reduced in the in-service use drive shaft two take place the condition of removal for holistic use is more stable.

Drawings

Fig. 1 is an overall schematic of an embodiment.

Fig. 2 is a schematic cross-sectional view of an embodiment.

Fig. 3 is an enlarged schematic view of a in fig. 1.

Reference numerals: 1. a screw rod part; 2. a carrying part; 3. bevel gears I; 4. a first driving shaft; 5. bevel gears II; 6. a first driving gear; 7. a mounting cavity; 8. a slip hole; 9. a second driving shaft; 10. a second driving gear; 11. a limiting piece; 12. a limiting plate; 13. a limiting pin; 14. a mounting plate; 15. a support plate; 16. a relief groove; 17. a handle; 18. anti-skid lines; 19. a limit rod; 20. and a limiting hole.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a screw rod lifter.

Examples:

referring to fig. 1 and 2, a screw lifter includes a screw portion 1 and a bearing portion 2, the bearing portion 2 moving in an axial direction of the screw portion 1. The screw rod part 1 is coaxially provided with a bevel gear I3, the bearing part 2 is provided with a driving shaft I4, the driving shaft I4 is coaxially provided with a bevel gear II 5 and a driving gear I6, and the bevel gear II 5 is meshed with the bevel gear I3.

The bearing part 2 is provided with a mounting cavity 7 and a sliding hole 8, and the sliding hole 8 is communicated with the mounting cavity 7. The bearing part 2 is also provided with a second driving shaft 9, the second driving shaft 9 slides in the sliding hole 8, the sliding direction of the second driving shaft 9 is the extending direction of the second sliding hole 8, the second driving shaft 9 is coaxially provided with a second driving gear 10, the second driving gear 10 is meshed with the first driving gear 6, and the diameter of the second driving gear 10 is smaller than that of the first driving gear 6.

Referring to fig. 2 and 3, the bearing portion 2 is further provided with a limiting member 11, and the limiting member 11 is used for limiting the sliding of the driving shaft two 9. The limiting piece 11 comprises a limiting hole 20, a limiting plate 12 and a limiting pin 13, wherein the limiting hole 20 is positioned on the outer wall of the bearing part 2 and communicated with the mounting cavity 7, the limiting plate 12 is coaxially sleeved on the outer wall of the driving shaft II 9, the limiting plate 12 is positioned on the part of the driving shaft II 9 positioned in the mounting cavity 7, and the limiting plate 12 is rotatably connected to the driving shaft II 9. The limiting pin 13 passes through the limiting hole 20 and is embedded into the limiting plate 12 to limit the rotation and sliding of the limiting plate 12, so as to limit the movement of the driving shaft two 9 in a direction away from or approaching the driving shaft one 4. In practical use, the limiting member 11 may also include a limiting bolt, and the limiting plate 12 is limited by the limiting bolt.

Referring to fig. 1, the screw portion 1 is detachable with a mounting plate 14 and a supporting plate 15, the mounting plate 14 is located at one end of the screw portion 1 in the axial direction, the mounting plate 14 is provided with a relief groove 16, and the relief groove 16 is located at one end of the mounting plate 14 away from the bearing portion 2. The groove wall of the abdication groove 16 is hinged with a handle 17. When the handle 17 is rotated to be embedded in the relief groove 16, the end of the handle 17 away from the bottom of the relief groove 16 is flush with the end face of the end of the mounting plate 14 away from the carrier 2. In actual use, the size of the relief slot 16 is larger than the size of the handle 17 so that a user can rotate the handle 17 out of the relief slot 16. The handle 17 is provided with anti-slip lines 18 and a limiting rod 19, the limiting rod 19 is hinged to the side wall of the handle 17, and the limiting rod 19 is used for abutting against one end, away from the bearing part 2, of the mounting plate 14. A support plate 15 is located at an end of the screw portion 1 remote from the mounting plate 14, the support plate 15 being for supporting the screw portion 1. In actual use, the support plate 15 is in threaded connection with the screw portion 1; alternatively, a connection protrusion may be disposed at one end of the screw portion 1 near the support plate 15, the support plate 15 is provided with a connection groove, the connection groove is used for embedding the connection protrusion, and the connection protrusion is embedded into the connection groove to enable the support plate 15 to be connected with the screw portion 1.

The working principle of the embodiment is as follows:

in actual use, when the screw rod lifter needs to be moved, the handle 17 is rotated out of the yielding groove 16, and the limiting rod 19 is rotated so that the limiting rod 19 abuts against the bottom of the yielding groove 16 to reduce shaking of the screw rod lifter. The output shaft of the motor is connected with the first driving shaft 4 or the second driving shaft 9 according to the actual adjustment requirement so as to improve the movement precision of the bearing part 2.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a lead screw lift, includes lead screw portion (1) and bears portion (2), its characterized in that: the bearing part (2) moves along the axial direction of the screw rod part (1), the bearing part (2) is provided with a first driving shaft (4) and a second driving shaft (9), the first driving shaft (4) is coaxially provided with a first driving gear (6), the second driving shaft (9) is coaxially provided with a second driving gear (10), the first driving gear (6) is meshed with the second driving gear (10), and the diameter of the second driving gear (10) is smaller than that of the first driving gear (6).

2. A screw lift according to claim 1, wherein: the bearing part (2) is provided with a sliding hole (8), the driving shaft II (9) slides in the sliding hole (8), the bearing part (2) is also provided with a limiting piece (11), and the limiting piece (11) limits the driving shaft II (9) to slide.

3. A screw lift according to claim 2, wherein: the limiting piece (11) comprises a limiting plate (12) and a limiting pin (13), the limiting plate (12) is coaxially sleeved on the driving shaft II (9), the limiting plate (12) rotates on the driving shaft II (9), and the limiting pin (13) penetrates through the limiting plate (12) to limit the driving shaft II (9) to slide.

4. A screw lift according to claim 1, wherein: one end of the screw rod part (1) can be detached with a mounting plate (14), and one end of the mounting plate (14) far away from the bearing part (2) is provided with a handle (17).

5. A screw lift as claimed in claim 4, wherein: the mounting plate (14) is provided with a yielding groove (16), the yielding groove (16) is positioned at one end of the mounting plate (14) far away from the bearing part (2), and the handle (17) is hinged to the groove wall of the yielding groove (16).

6. A screw lift according to claim 5, wherein: the handle (17) is provided with a limiting rod (19), the limiting rod (19) is hinged to the side wall of the handle (17), and the limiting rod (19) is used for abutting against one end, away from the bearing part (2), of the mounting plate (14).

7. A screw lift as claimed in claim 4, wherein: the handle (17) is provided with anti-skid patterns (18).

8. A screw lift as claimed in claim 4, wherein: the screw rod part (1) is provided with a supporting plate (15), and the supporting plate (15) is positioned at one end of the screw rod part (1) far away from the mounting plate (14).