CN216863505U

CN216863505U - High-stability electric hoist

Info

Publication number: CN216863505U
Application number: CN202220713316.5U
Authority: CN
Inventors: 叶军
Original assignee: Zhejiang Yueyao Lifting Machinery Co ltd
Current assignee: Zhejiang Yueyao Lifting Machinery Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-01
Anticipated expiration: 2032-03-29

Abstract

The utility model provides a high-stability electric hoist, which comprises a shell, a motor, a gear transmission mechanism and a hoisting mechanism, wherein the motor is arranged outside the shell; the relative both sides of casing are installation side and support side respectively, and the motor is installed in the installation side, and the output shaft of motor includes integrated into one piece's linkage segment and transmission section, and the linkage segment runs through in the installation side, and the transmission section rotates to be connected in the support side, and the lateral wall department of transmission section is provided with a plurality of driving teeth along circumference, and a plurality of driving teeth are used for meshing with gear drive's input end. The output shaft of motor is connected with gear drive's input through a plurality of driving teeth, so need not install the shaft coupling on the output shaft of motor for this electric block's use becomes more stable. Moreover, the connecting section and the transmission section are integrally formed, so that the processing is more convenient, and the coaxiality is better.

Description

High-stability electric hoist

Technical Field

The utility model relates to an electric hoist, in particular to an electric hoist with high stability.

Background

At present, chinese patent with publication number CN202492322U discloses an electric block, which comprises a front splint and a rear splint which are symmetrically arranged, and the front splint and the rear splint are all provided with an upper hook. The front clamping plate and the rear clamping plate are rotatably connected with two rotating shafts which are matched through gear transmission. And guide wheels are sleeved in the middle of the two rotating shafts, and are hoisted by chains to form lower lifting hooks. And the outer side of the front end of the rotating shaft is in transmission connection with a motor. However, at present, the rotating shaft and the output shaft of the motor are connected through the coupler, and in the use process of the electric hoist, the problem that the rotating shaft and the output shaft of the motor are not on the same axis easily occurs, so that the use stability of the electric hoist is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention aims to provide an electric hoist with high stability, which has the advantage of high stability.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a high-stability electric hoist comprises a shell, a motor arranged outside the shell, a gear transmission mechanism arranged inside the shell and connected with the motor, and a hoisting mechanism arranged inside the shell and connected with the gear transmission mechanism; the relative both sides of casing are installation side and support side respectively, the motor install in the installation side, the output shaft of motor includes integrated into one piece's linkage segment and transmission section, the linkage segment run through in the installation side, the transmission section rotate connect in the support side, the lateral wall department of transmission section is provided with a plurality of driving teeth along circumference, a plurality of the driving tooth be used for with gear drive's input end meshes mutually.

Through above-mentioned technical scheme, the output shaft of motor is connected with gear drive's input through a plurality of driving teeth, so need not install the shaft coupling on the output shaft of motor for this electric block's use becomes more stable. Moreover, the connecting section and the transmission section are integrally formed, so that the processing is more convenient, and the coaxiality is better.

Preferably, the gear transmission mechanism comprises an output gear, a gear shaft and an input gear; the output gear rotate connect in the linkage segment, the tooth axle rotate connect in the casing, just the tooth axle with the output gear meshes mutually, input gear coaxial fixation in the tooth axle, just input gear with the driving tooth meshes mutually.

Through above-mentioned technical scheme, when the motor was opened, a plurality of driving teeth were along with transmission section circumferential direction, and a plurality of driving teeth and transmission section cooperation, accessible input gear ordered input gear and tooth axle circumferential direction, and the tooth axle can order about output gear and rotate to order about hoisting machine through output gear and construct the operation.

Preferably, the input gear is provided with a limiting through groove in a penetrating mode, the limiting through groove is communicated with an inner hole of the input gear, a limiting screw is connected to the side wall of the gear shaft in a threaded mode, the head of the limiting screw is located in the limiting through groove, and the head of the limiting screw is abutted to the inner groove wall of the limiting through groove.

Through above-mentioned technical scheme, the head of stop screw is inconsistent with the interior cell wall of spacing logical groove, can be used to the relative rotation between restriction pinion and the input gear.

Preferably, the hoisting mechanism comprises a guide wheel rotatably connected to the connecting section, a chain spanning from the upper part of the guide wheel, and a hook arranged at one end of the chain.

Through the technical scheme, when the guide wheel rotates in the circumferential direction, the lifting hook can be driven to move up and down through the chain above the guide wheel.

Preferably, the side wall of the guide wheel is coaxially provided with a spline housing, the middle part of the output gear is provided with a spline hole, and the spline housing penetrates through the spline hole.

Through above-mentioned technical scheme, spline housing and splined hole cooperation can be used for restricting the relative rotation between guide pulley and the output gear, and output gear can comparatively high-efficient drive guide pulley and rotate like this.

Preferably, the guide wheel is rotatably connected to the connecting section through a bearing.

Through above-mentioned technical scheme, the guide pulley passes through the bearing and rotates to be connected in the linkage segment, so the inner wall of guide pulley is difficult for wearing and tearing.

Preferably, an encoder is connected to an end of the transmission section, and the encoder is electrically connected to the motor.

Through above-mentioned technical scheme, during the use, accessible encoder is controlled the motor for this electric block's use becomes more intelligent.

Preferably, a partition plate is arranged inside the housing, and the partition plate is used for separating the gear transmission mechanism from the encoder.

Through above-mentioned technical scheme, use the division board to part drive mechanism and encoder, drive mechanism is not fragile encoder in the operation process like this.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

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

FIG. 3 is a partial schematic view of an embodiment.

Reference numerals: 1. a housing; 2. a motor; 3. a gear transmission mechanism; 31. an output gear; 32. a gear shaft; 33. an input gear; 4. a hoisting mechanism; 41. a guide wheel; 42. a chain; 43. a hook; 5. a mounting side; 6. a support side; 7. a connecting section; 8. a transmission section; 9. a transmission gear; 10. a limiting through groove; 11. a limit screw; 12. a spline housing; 13. a splined bore; 14. an encoder; 15. a partition plate.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

An electric hoist with high stability is shown in fig. 1 to 3 and comprises a shell 1, a motor 2 arranged outside the shell 1, a gear transmission mechanism 3 arranged inside the shell 1 and connected with the motor 2, and a hoisting mechanism 4 arranged inside the shell 1 and connected with the gear transmission mechanism 3.

The two opposite sides of the housing 1 are respectively a mounting side 5 and a supporting side 6, and the motor 2 is fixedly mounted on the mounting side 5. The inside of the housing 1 is provided with a partition plate 15, the partition plate 15 is located between the mounting side 5 and the supporting side 6, and the partition plate 15 divides the inner cavity of the housing 1 into two chambers which are not communicated with each other.

The output shaft of the motor 2 comprises an integrally formed connecting section 7 and a transmission section 8. The connecting section 7 penetrates through the mounting side 5, and the transmission section 8 penetrates through the partition plate 15 and is rotatably connected with the partition plate 15. The side wall of the transmission section 8 is provided with a plurality of transmission teeth 9 along the circumferential direction, and the plurality of transmission teeth 9 are used for being meshed with the input end of the gear transmission mechanism 3. The end part of the transmission section 8 far away from the connecting section 7 is connected with an encoder 14, and the encoder 14 is electrically connected with the motor 2 and used for controlling the motor 2.

The gear transmission mechanism 3 includes an output gear 31, a pinion 32, and an input gear 33. The output gear 31 is rotatably connected to the connecting section 7. The pinion 32 is rotatably connected to the housing 1, and the pinion 32 is engaged with the output gear 31. The input gear 33 is coaxially fixed to the gear shaft 32, and the input gear 33 is meshed with the gear teeth 9. The input gear 33 is provided with a limiting through groove 10 in a penetrating manner, and the limiting through groove 10 is communicated with an inner hole of the input gear 33. The side wall of the gear shaft 32 is connected with a limit screw 11 through a thread, the head of the limit screw 11 is located in the limit through groove 10, and the head of the limit screw 11 is abutted against the inner groove wall of the limit through groove 10.

The hoisting means 4 comprises a guide wheel 41 rotatably connected to the connecting section 7, a chain 42 passing over the guide wheel 41, and a hook 43 provided at one end of the chain 42. The guide wheel 41 is rotatably connected to the connecting section 7 through a bearing, the spline housing 12 is coaxially arranged on the side wall of the guide wheel 41, the spline hole 13 is formed in the middle of the output gear 31, and the spline housing 12 penetrates through the spline hole 13.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. An electric hoist with high stability comprises a shell (1), a motor (2) arranged outside the shell (1), a gear transmission mechanism (3) arranged inside the shell (1) and connected with the motor (2), and a hoisting mechanism (4) arranged inside the shell (1) and connected with the gear transmission mechanism (3); the method is characterized in that: casing (1) relative both sides are installation side (5) and support side (6) respectively, motor (2) install in installation side (5), the output shaft of motor (2) includes integrated into one piece's linkage segment (7) and transmission section (8), linkage segment (7) run through in installation side (5), transmission section (8) rotate connect in support side (6), the lateral wall department of transmission section (8) is provided with a plurality of driving teeth (9) along circumference, and is a plurality of driving teeth (9) be used for with the input end meshing of gear drive (3).

2. The electric hoist with high stability as claimed in claim 1, wherein: the gear transmission mechanism (3) comprises an output gear (31), a gear shaft (32) and an input gear (33); output gear (31) rotate connect in linkage segment (7), gear shaft (32) rotate connect in casing (1), just gear shaft (32) with output gear (31) mesh mutually, input gear (33) coaxial fastening in gear shaft (32), just input gear (33) with driving tooth (9) mesh mutually.

3. The electric hoist with high stability as claimed in claim 2, wherein: the input gear (33) is provided with a limiting through groove (10) in a penetrating mode, the limiting through groove (10) is communicated with an inner hole of the input gear (33), the side wall of the gear shaft (32) is connected with a limiting screw (11) in a threaded mode, the head of the limiting screw (11) is located in the limiting through groove (10), and the head of the limiting screw (11) is inconsistent with the inner groove wall of the limiting through groove (10).

4. The electric hoist with high stability as claimed in claim 2, wherein: the hoisting mechanism (4) comprises a guide wheel (41) rotatably connected to the connecting section (7), a chain (42) striding over from the upper part of the guide wheel (41), and a hook (43) arranged at one end of the chain (42).

5. The electric hoist with high stability as claimed in claim 4, wherein: the side wall of the guide wheel (41) is coaxially provided with a spline sleeve (12), the middle of the output gear (31) is provided with a spline hole (13), and the spline sleeve (12) penetrates through the spline hole (13).

6. The electric hoist with high stability as claimed in claim 4, wherein: the guide wheel (41) is rotatably connected to the connecting section (7) through a bearing.

7. The electric hoist with high stability as claimed in claim 1, wherein: the end part of the transmission section (8) is connected with an encoder (14), and the encoder (14) is electrically connected with the motor (2).

8. The electric hoist with high stability as claimed in claim 7, wherein: a partition plate (15) is arranged in the shell (1), and the partition plate (15) is used for separating the gear transmission mechanism (3) from the encoder (14).