CN216272838U - Differential transmission hoister - Google Patents
Differential transmission hoister Download PDFInfo
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- CN216272838U CN216272838U CN202121779358.0U CN202121779358U CN216272838U CN 216272838 U CN216272838 U CN 216272838U CN 202121779358 U CN202121779358 U CN 202121779358U CN 216272838 U CN216272838 U CN 216272838U
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Abstract
The utility model belongs to the technology of hoisting equipment, in particular to a differential transmission winch which is applied to fishing net collection in fishery, various cable winding and unwinding and building industry. The differential mechanism comprises a motor, wherein an output shaft of the motor is connected with an input shaft of the differential mechanism; two output shafts of the differential are respectively connected with the winding drum; and brakes are respectively arranged on the two output shafts of the differential mechanism. Utility model discloses utilize differential mechanism to replace gear reducer to install electric power hydraulic brake additional on two output shafts, realize two gyro wheel reel simultaneous independent work of a motor drive, improve rolling speed, adjust and PLC control motor rotational speed through the converter, improve cable speed control range, small in noise during high-speed rolling, the transmission is steady, saves a motor, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model belongs to the technology of hoisting equipment, in particular to a differential transmission winch which is applied to fishing net collection in fishery, various cable winding and unwinding and building industry.
Background
The hoist is a small and light hoisting device which winds a wire rope or a chain by a winding drum to hoist or drag a heavy object, and can hoist the heavy object vertically, horizontally or obliquely. At present, the electric winch is mainly used, can be used independently, can also be used as a component part in machinery such as hoisting, road building, mine hoisting and the like, and is widely applied due to simple operation, large rope winding amount and convenient displacement. The method is widely applied to the hoisting industries of industrial and mining, metallurgy, hoisting, construction, chemical engineering, roads and bridges, hydroelectric installation and the like.
In addition, the motor of the traditional winch can only drive one winding drum to work, and when the two winding drums need to work independently, the two motors are needed to provide power, so that the structure and the control circuit of the winch are more complicated, and resources are wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a novel differential transmission winch which adopts a differential mechanism to replace a speed reducer, can improve the cable winding speed adjusting range and can drive two winding drums to work independently by one motor
In order to achieve the purpose, the technical scheme of the utility model is as follows: the differential mechanism comprises a motor, wherein an output shaft of the motor is connected with an input shaft of the differential mechanism;
two output shafts of the differential are respectively connected with the winding drum;
and brakes are respectively arranged on the two output shafts of the differential mechanism.
Further, an output shaft of the motor is connected with an input shaft of the differential mechanism through a coupling.
Further, the differential is mounted within an axle housing.
Further, the motor and the axle housing are fixed on the base.
Further, the far ends of the two output shafts of the winding drum are arranged on bearing seats on two sides of the base.
Furthermore, the bottom of the motor is fixed on a motor base, and the motor base is fixed on the base.
Furthermore, two output shafts of the differential are respectively connected with the winding drum through a coupling.
Furthermore, the brake is an electric hydraulic brake and comprises an electric hydraulic cylinder, a connecting rod, a return spring and a cam shaft, wherein the electric hydraulic cylinder is fixed on the base; one end of the connecting rod is connected with the lower end of the camshaft, and the brake pad is controlled by the camshaft; the other end of the connecting rod is connected with an output shaft of the electric hydraulic cylinder; the middle part of connecting rod is connected with return spring one end, and the return spring other end is connected with the base.
Furthermore, the motor and the electric hydraulic brake are connected with an electric control cabinet, a controller is arranged in the electric control cabinet, the controller is a PLC (programmable logic controller) with a communication function, and the controller is used for controlling the motor and the electric hydraulic brake to act; the electric control cabinet is provided with a frequency converter for controlling the rotating speed of the motor.
Further, the electric control cabinet is provided with a remote controller.
The utility model has the advantages that: the utility model utilizes the differential to replace a gear reducer, and the two output shafts are additionally provided with the electric hydraulic brakes, so that one motor drives the two roller winding drums to simultaneously and independently work, the winding speed is improved, the noise is low during high-speed winding, the transmission is stable, one motor is saved, and the utility model is energy-saving and environment-friendly.
Utilize the converter to control motor speed, realize receiving cable speed and adjust on a large scale, improve production efficiency, reduction in production cost.
Drawings
FIG. 1 is a schematic structural diagram of a differential transmission winch of the utility model:
FIG. 2 is a schematic diagram of the overall structure of the differential transmission winch of the present invention:
FIG. 3 is a schematic diagram of the principle of an electro-hydraulic brake of the differential transmission winch of the utility model:
in the figure: 1-motor, 2-motor base, 3-base, 4-bearing seat, 5-winding drum, 6-differential, 7-brake, 8-axle housing, 9-electric control cabinet, 10-remote controller, 11-electric hydraulic cylinder, 12-connecting rod, 13-return spring, 14-camshaft, 15-brake block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the differential transmission winch comprises a motor 1, a motor base 2, a base 3, a bearing seat 4, a winding drum 5, a differential mechanism 6, a brake 7, an axle housing 8, an electric control cabinet 9, a remote controller 10, an electric hydraulic cylinder 11, a connecting rod 12, a return spring 13, a cam shaft 14 and a brake pad 15;
the motor 1 is connected with the base 3 through the motor base 2, and an output shaft of the motor 1 is connected with an input shaft of the differential mechanism 6 through a coupler.
The differential mechanism 6 is connected with the axle housing 8, the axle housing 8 is connected with the base 3, the brake 7 is fixed on the base 3, and the left and right output shafts of the differential mechanism 6 penetrate through a central hole of the brake 7 and are connected with the winding drum 5 through a coupler;
one end of the winding drum 5 is connected with a left output shaft of the differential mechanism 6, the other end of the winding drum is connected with a bearing seat 4, and the bearing seat 4 is connected with the base 3; the bearing seat 4 is positioned at the far end of the left output shaft of the differential mechanism 6 of the base 3;
the electric control cabinet 9 comprises a controller which is a PLC controller with a communication function and controls the motor 1 and the brake 7 to act through the controller; the electric control cabinet 9 comprises a frequency converter for controlling the rotating speed of the motor 1; the remote controller 10 and the man-machine conversation device send out instructions to respectively control the two winding drums to wind cables, rotate forwards and reversely and stop suddenly at different current speeds.
Furthermore, the brake 7 is an electric hydraulic brake, the electric hydraulic brake tightly holds the left output shaft and the right output shaft of the differential mechanism 6, relative loads of the two winding drums 5 are changed, and the two winding drums 5 have relatively independent rotating speed control; the electric hydraulic brake comprises an electric hydraulic cylinder 11, a connecting rod 12, a return spring 13, a cam shaft 14 and a brake pad 15; the electric hydraulic cylinder 11 is connected with the base 3, the return spring 13 is connected with the base 3, the connecting rod 12 is connected with the output shaft of the electric hydraulic cylinder 11 and the other end of the return spring 13, the camshaft 14 is connected with the connecting rod 12, and the brake pad 15 is connected with the camshaft 14; when the electric hydraulic cylinder 11 jacks up the connecting rod 12 gradually, the brake block 15 is separated from the left output shaft and the right output shaft gradually, the electric hydraulic cylinder 11 falls back quickly when the brake is suddenly stopped, the return spring 13 acts on the brake block 15 to fast hold the left output shaft and the right output shaft tightly, and the motor 1 is powered off.
Further, the remote controller 10 sends out an instruction, the motor 1 is enabled to rotate forwards or reversely at a given speed through the PLC of the electric control cabinet 9, the brake 7 is controlled to be released, the output shaft of the motor 1 is connected with the input shaft of the differential mechanism 6, the rotating motion of the motor shaft is transmitted to the left output shaft and the right output shaft of the differential mechanism 6, the left output shaft and the right output shaft are connected with the winding drum, and the winding drum 5 is enabled to rotate.
The working principle of the utility model is as follows:
the principle of the utility model is that a differential mechanism 6 is adopted to replace the traditional speed reducer, the differential mechanism 6 has the speed reducing function and the two output shafts can have different rotating speed functions, the two output shafts are additionally provided with brakes 7, the loads of the output shafts at two sides of the differential mechanism 6 are changed, and the purpose that one motor drives the two roller winding drums 5 to work independently at the same time is realized. Utilize the converter to control motor 1 rotational speed, realize receiving cable speed control, operating personnel accessible remote controller sends the instruction to the hoist engine. Therefore, the utility model realizes the double-drum independent remote control differential transmission winch.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Differential drive hoist engine, its characterized in that: the differential mechanism comprises a motor, wherein an output shaft of the motor is connected with an input shaft of the differential mechanism;
two output shafts of the differential are respectively connected with the winding drum;
brakes are respectively arranged on two output shafts of the differential mechanism;
the brake is an electric hydraulic brake and comprises an electric hydraulic cylinder, a connecting rod, a return spring and a cam shaft, wherein the electric hydraulic cylinder is fixed on the base; one end of the connecting rod is connected with the lower end of the camshaft, and the brake pad is controlled by the camshaft; the other end of the connecting rod is connected with an output shaft of the electric hydraulic cylinder; the middle part of connecting rod is connected with return spring one end, and the return spring other end is connected with the base.
2. The differentially driven hoist as claimed in claim 1, wherein: and an output shaft of the motor is connected with an input shaft of the differential mechanism through a coupler.
3. The differential transmission winch according to claim 1 or 2, wherein: the differential is mounted in the axle housing.
4. The differentially driven hoist as claimed in claim 3, wherein: the motor and the axle housing are fixed on the base.
5. The differentially driven hoist as claimed in claim 4, wherein: the far end of the shaft of the winding drum is arranged on bearing seats at two sides of the base.
6. The differentially driven hoist as claimed in claim 4, wherein: the bottom of the motor is fixed on the motor base, and the motor base is fixed on the base.
7. The differentially driven hoist as claimed in claim 1, wherein: and two output shafts of the differential are respectively connected with the winding drum through a coupler.
8. The differentially driven hoist as claimed in claim 1, wherein: the motor and the electric hydraulic brake are connected with an electric control cabinet, a controller is arranged in the electric control cabinet, the controller is a PLC (programmable logic controller) with a communication function, and the controller controls the motor and the electric hydraulic brake to act; the electric control cabinet is provided with a frequency converter for controlling the rotating speed of the motor.
9. The differentially driven hoist as claimed in claim 8, wherein: the electric control cabinet is provided with a remote controller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121779358.0U CN216272838U (en) | 2021-08-02 | 2021-08-02 | Differential transmission hoister |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121779358.0U CN216272838U (en) | 2021-08-02 | 2021-08-02 | Differential transmission hoister |
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CN216272838U true CN216272838U (en) | 2022-04-12 |
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CN202121779358.0U Active CN216272838U (en) | 2021-08-02 | 2021-08-02 | Differential transmission hoister |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114572877A (en) * | 2022-03-11 | 2022-06-03 | 如皋市武源机械有限公司 | Adjustable double-drum hoist |
CN116002548A (en) * | 2023-01-05 | 2023-04-25 | 中国电力工程顾问集团有限公司 | Double-reel friction winch |
-
2021
- 2021-08-02 CN CN202121779358.0U patent/CN216272838U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114572877A (en) * | 2022-03-11 | 2022-06-03 | 如皋市武源机械有限公司 | Adjustable double-drum hoist |
CN116002548A (en) * | 2023-01-05 | 2023-04-25 | 中国电力工程顾问集团有限公司 | Double-reel friction winch |
CN116002548B (en) * | 2023-01-05 | 2024-05-24 | 中国电力工程顾问集团有限公司 | Double-reel friction winch |
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