CN219549421U - Steel ball type energy-saving soft start coupling - Google Patents
Steel ball type energy-saving soft start coupling Download PDFInfo
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- CN219549421U CN219549421U CN202320534380.1U CN202320534380U CN219549421U CN 219549421 U CN219549421 U CN 219549421U CN 202320534380 U CN202320534380 U CN 202320534380U CN 219549421 U CN219549421 U CN 219549421U
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- joint
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 230000008878 coupling Effects 0.000 title claims abstract description 23
- 238000010168 coupling process Methods 0.000 title claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 23
- 210000001503 joint Anatomy 0.000 claims description 22
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012938 design process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a steel ball type energy-saving soft start coupling which comprises a rotor and a driven end flange, wherein a shell is rotationally connected to the circumferential outer wall of the rotor, a blade and a plurality of steel balls are arranged in the shell, and the blade is fixedly connected with the circumferential outer wall of the rotor; the middle module is arranged between the shell and the driven end flange, the two ends of the middle module are respectively and fixedly connected with the side wall of the shell and the driven end flange, the middle module can be a diaphragm type middle module, a quincuncial middle module, a universal joint type middle module and other various connection modes, the diversified requirements of customers can be met, various flexible elements can be added into the middle module, vibration can be absorbed, offset compensation can be carried out, the service life of a motor and equipment can be further prolonged, and the safety of field personnel can be better protected; meanwhile, the middle modules in modularized design can realize quick replacement of different middle modules and exchange, so that standardization is achieved, and on-site maintenance and replacement are facilitated.
Description
Technical Field
The utility model relates to the technical field of couplings, in particular to a steel ball type energy-saving soft start coupling.
Background
The friction type soft start safety coupling is a part for connecting a main machine and a working machine, and is mainly suitable for mechanical equipment with load starting, large starting inertia of the working machine, difficult starting, overload protection, frequent starting and certain axial and radial compensation. Such as belt conveyors, induced draft fans, oil field pumping units, crushers, crane travelling mechanisms, steel pushing machines of steel mills, stacker-reclaimers and the like.
The existing friction type soft start safety coupling mainly has the problems that: (1) The coaxial requirements on the two shafts are higher during installation, the skill level requirements on field operators are higher, if the corresponding centering is not achieved during field installation, the service life of soft start is affected to a certain extent, and the use of a motor and a working machine is further affected; (2) Vibration absorption and offset compensation cannot be well carried out, when the vibration of the working machine is too large, abrasion of the motor and loosening of parts can be quickened, the service life of equipment is shortened, and meanwhile potential safety hazards are increased.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the steel ball type energy-saving soft start coupler, which is used for modularly designing the middle joint between the rotor and the driven end flange, and solves the problems that the traditional friction type soft start safety coupler is difficult to install and cannot absorb vibration and offset compensation well.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the steel ball type energy-saving soft start coupler comprises a soft start driving end body and a driven end flange, wherein an intermediate module is arranged between the soft start driving end body and the driven end flange, one side of the intermediate module is provided with an intermediate flange, one side of the intermediate module is fixedly connected with the soft start driving end body through the intermediate flange, and the other side of the intermediate module is fixedly connected with the driven end flange.
Further, the soft start driving end body comprises a rotor, a shell is rotationally connected to the circumferential outer wall of the rotor, a blade and a plurality of steel balls are arranged in the shell, and the blade is fixedly connected with the circumferential outer wall of the rotor; a middle joint and a middle flange are arranged between the shell and the driven end flange, and one side of the middle module is fixedly connected with the side wall of the shell through the middle flange.
The basic principle of the steel ball type energy-saving soft start coupler in the utility model is as follows: the rotor is fixedly connected with the driving shaft, and the driven end flange is fixedly connected with the driven end. When the motor is started, the driving shaft drives the rotor to rotate so as to throw the steel balls onto the cylinder wall of the shell, and the generated friction force is small due to the fact that the centrifugal force of the steel balls is small when the rotating speed is low, the coupler slips, and at the moment, the driving shaft rotates and the driven end is static; when the rotation speed of the driving shaft is increased, the centrifugal force borne by the steel balls is increased, and the generated friction force is also increased, so that the driven end is driven to rotate until the driving shaft and the driven end synchronously rotate, and the prime motor is started approximately in an idle load. When overload or seizing occurs, the coupling slips due to insufficient friction force of the steel balls, the driving shaft idles, and the driven end does not rotate, so that the damage of mechanical parts and the burning of the motor are prevented, and soft start is realized; the middle module is designed to provide various connection modes according to different working condition requirements, so that diversified requirements of customers can be met, various flexible elements can be added in the middle module, vibration can be absorbed, offset compensation can be carried out, and further the service life of a motor and equipment can be prolonged; meanwhile, the safety of field personnel is better protected; meanwhile, the middle modules in modularized design can be quickly replaced and interchanged, so that standardization is achieved. The standardization is beneficial to ensuring the quality of products, reducing the design workload, facilitating the interchange of parts and the specialized mass production of organizations, reducing the production cost, simplifying the design method, shortening the design time, accelerating the design process, having the advancement, standardization and practicability, being beneficial to the maintenance and replacement on site, avoiding or reducing the deviation caused by the insufficient personal experience according to the standards.
Further, a brake wheel is arranged on the circumferential outer wall of the driven end flange, and the brake wheel is of a hollow cylinder structure; and the brake wheel is used for rapidly braking the driven end flange to stop so as to meet different field use conditions.
Further, as a specific implementation mode of the middle module, the middle module is a diaphragm type middle joint, a quincuncial middle joint or a universal joint type middle joint and other various connection modes, the middle module can meet the diversified demands of clients, and various flexible elements can be added into the middle module to absorb vibration and offset compensation so as to protect a motor and equipment and prolong the service life of the motor and equipment.
Further, as a specific embodiment of the diaphragm type intermediate section, the left end of the diaphragm type intermediate section is provided with an intermediate flange fixedly connected with the side wall of the shell, and the right end of the diaphragm type intermediate section is fixedly connected with the driven end flange.
Further, as a specific implementation mode of the plum blossom type middle joint, the plum blossom type middle joint comprises two half shaft couplings which are matched with each other, convex claws for transmitting power are arranged on the two connecting discs, plum blossom-shaped elastic rings which are matched with the convex claws are arranged between the two half shaft couplings, the connecting disc close to the side of the soft start driving end body is fixedly connected with the soft start driving end body through a middle flange, and the other connecting disc is fixedly connected with the driven end flange.
Further, as a specific embodiment of the universal joint type intermediate joint, the universal joint type intermediate joint comprises a universal joint, one side of the universal joint is fixedly connected with the soft start driving end body through an intermediate flange, and the other side of the universal joint is fixedly connected with the driven end flange.
The beneficial effects of the utility model are as follows:
1. the device can realize the start of approximate no-load, protect the prime motor, prolong the service life of the device, and has convenient installation and disassembly and reliable work.
2. The flexible transmission automatic adaptation function is realized, and the overload protection is reliable and adjustable. When overload or jamming occurs, the coupler slips, and the motor is effectively protected. The transmission torque of the coupler can be adjusted by increasing or decreasing the filling amount of the steel balls, and the overload protection power value can be adjusted.
3. Has better functions of reducing impact and isolating torsional vibration. The elastic movement of the steel balls can absorb the vibration of the transmission system in the transmission process.
4. The whole coupler has simple structure, the shell is relatively sealed, the adaptability to the environment is strong, and the coupler can work in cold, humid, dust and explosion-proof environments.
5. The whole coupler is convenient to install and detach, is simple to maintain, adopts a modularized design for the middle joint, can quickly replace the middle joint part according to the requirements of customers, and is favorable for on-site maintenance and replacement.
Drawings
Fig. 1 is a schematic structural view of a steel ball type energy-saving soft start coupling.
Fig. 2 is a schematic structural view of a diaphragm type intermediate joint for a coupling.
Fig. 3 is a schematic structural view of a coupling using a plum blossom type intermediate joint.
Fig. 4 is a schematic structural view of a universal joint type intermediate joint for a coupling.
Fig. 5 is a schematic structural view of the soft start drive end body.
1, a soft start driving end body; 101. a rotor; 102. a blade; 103. a steel ball; 104. a housing; 2. a driven end flange; 3. an intermediate module; 4. an intermediate flange; 5. a brake wheel; 6. a diaphragm type middle section; 7. plum blossom type middle section; 701. a half shaft coupling; 8. a universal joint type middle joint; 801. and a universal joint.
Detailed Description
The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1 to 4, the steel ball 103 type energy-saving soft start coupling provided by the utility model comprises a soft start driving end body 1 and a driven end flange 2, wherein an intermediate module 3 is arranged between the soft start driving end body 1 and the driven end flange 2, one side of the intermediate module 3 is provided with an intermediate flange 4, one side of the intermediate module 3 is fixedly connected with the soft start driving end body 1 through the intermediate flange 4, and the other side of the intermediate module 3 is fixedly connected with the driven end flange 2.
Specifically, as shown in fig. 5, as a specific embodiment of the soft start driving end body 1, the soft start driving end body 1 includes a rotor 101, a housing 104 is rotatably connected to a circumferential outer wall of the rotor 101, a blade 102 and a plurality of steel balls 103 are disposed in the housing 104, and the blade 102 is fixedly connected to the circumferential outer wall of the rotor 101; an intermediate joint and an intermediate flange 4 are arranged between the housing 104 and the driven end flange 2, and one side of the intermediate module 3 is fixedly connected with the side wall of the housing 104 through the intermediate flange 4.
The basic principle of the steel ball 103 type energy-saving soft start coupler in the utility model is as follows: the rotor 101 is fixedly connected with the driving shaft, and the driven end flange 2 is fixedly connected with the driven end. When the motor is started, the driving shaft drives the rotor 101 to rotate so as to throw the steel balls 103 onto the cylinder wall of the shell 104, and the generated friction force is small due to the fact that the centrifugal force of the steel balls 103 is small when the rotating speed is low, the coupling slips, and at the moment, the driving shaft rotates and the driven end is static; when the rotation speed of the driving shaft increases, the centrifugal force borne by the steel ball 103 increases, and the generated friction force also increases, so that the driven end is driven to rotate until the driving shaft and the driven end synchronously rotate, and the prime motor is started approximately in an idle state. When overload or seizing occurs, the coupling slips due to insufficient friction force of the steel ball 103, the driving shaft idles, and the driven end does not rotate, so that the damage of mechanical parts and the burning of the motor are prevented, and soft start is realized; the middle module 3 is designed to provide various connection modes according to different working condition requirements, so that the diversified requirements of customers can be met, and various flexible elements can be added into the middle module 3 to absorb vibration and offset compensation so as to protect the motor and equipment and prolong the service life of the motor and equipment; meanwhile, the safety of field personnel is better protected; meanwhile, the middle modules 3 in modularized design can realize quick replacement of different middle modules 3 and exchange, so that standardization is achieved. The standardization is beneficial to ensuring the quality of products, reducing the design workload, facilitating the interchange of parts and the specialized mass production of organizations, reducing the production cost, simplifying the design method, shortening the design time, accelerating the design process, having the advancement, standardization and practicability, being beneficial to the maintenance and replacement on site, avoiding or reducing the deviation caused by the insufficient personal experience according to the standards.
Preferably, but not limited to, a brake wheel 5 is arranged on the circumferential outer wall of the driven end flange 2, and the brake wheel 5 is in a hollow cylinder structure; the brake wheel 5 is arranged for rapidly braking the driven end flange 2 to stop so as to meet different field use conditions. Specifically, as a specific connection mode of the brake wheel 5 and the driven end flange 2, a connection circular plate is arranged on the circumferential outer wall of the driven end flange 2; a connecting ring is arranged at the inner ring of the middle part of the brake wheel 5; the lateral wall of connection plectane and the lateral wall contact of go-between just can dismantle the connection through the bolt, and the installation of brake wheel 5 is dismantled conveniently, improves packaging efficiency.
As a specific embodiment of the middle module 3, the middle module 3 is a diaphragm type middle 6 joint, a quincuncial middle joint 7 or a universal joint type middle joint 8 and other various connection modes. Specifically, as shown in fig. 2, as a specific embodiment of the diaphragm type middle 6, the left end of the diaphragm type middle 6 is provided with a middle flange 4 fixedly connected with the side wall of the housing 104, and the right end of the diaphragm type middle 6 is fixedly connected with the driven end flange 2.
As shown in fig. 3, as a specific embodiment of the quincuncial intermediate joint 7, the quincuncial intermediate joint 7 includes two half shaft couplers 701 that are matched with each other, a claw for transmitting power is provided on the two half shaft couplers 701, a quincuncial elastic ring that is used for matching with the claw is provided between the two half shaft couplers 701, the half shaft coupler 701 near the side of the soft start driving end body 1 is fixedly connected with the soft start driving end body 1 through an intermediate flange 4, and the other half shaft coupler 701 is fixedly connected with the driven end flange 2.
As shown in fig. 4, as a specific embodiment of the universal joint type intermediate joint 8, the universal joint type intermediate joint 8 includes a universal joint 801, one side of the universal joint 801 is fixedly connected with the soft start driving end body 1 through the intermediate flange 4, and the other side of the universal joint 801 is fixedly connected with the driven end flange 2.
The middle module 3 can meet the diversified demands of clients, and various flexible elements can be added into the middle module 3 to absorb vibration and offset compensation so as to protect the motor and equipment and prolong the service life of the motor and equipment.
Claims (7)
1. The steel ball type energy-saving soft start coupler is characterized by comprising a soft start driving end body and a driven end flange, wherein an intermediate module is arranged between the soft start driving end body and the driven end flange, one side of the intermediate module is provided with an intermediate flange, one side of the intermediate module is fixedly connected with the soft start driving end body through the intermediate flange, and the other side of the intermediate module is fixedly connected with the driven end flange.
2. The steel ball type energy-saving soft start coupling according to claim 1, wherein the soft start driving end body comprises a rotor, a shell is rotationally connected to the circumferential outer wall of the rotor, a blade and a plurality of steel balls are arranged in the shell, and the blade is fixedly connected with the circumferential outer wall of the rotor; the middle section and the middle flange are arranged between the shell and the driven end flange, and one side of the middle module is fixedly connected with the side wall of the shell through the middle flange.
3. The steel ball type energy-saving soft start coupling according to claim 1, wherein a brake wheel is arranged on the circumferential outer wall of the driven end flange, and the brake wheel is of a hollow cylinder structure.
4. The steel ball type energy-saving soft start coupling according to claim 2, wherein the middle module is a diaphragm type middle joint, a quincuncial type middle joint or a universal joint type middle joint.
5. The steel ball type energy-saving soft start coupling according to claim 4, wherein the middle module is a diaphragm type middle joint, the left end of the diaphragm type middle joint is provided with the middle flange fixedly connected with the side wall of the shell, and the right end of the diaphragm type middle joint is fixedly connected with the driven end flange.
6. The steel ball type energy-saving soft start coupler according to claim 4, wherein the middle module is a quincuncial middle joint, the quincuncial middle joint comprises two half shaft couplers matched with each other, a claw for transmitting power is arranged on each half shaft coupler, a quincuncial elastic ring matched with the claw is arranged between the two half shaft couplers, a connecting disc close to the side of the soft start driving end body is fixedly connected with the soft start driving end body through the middle flange, and the other connecting disc is fixedly connected with the driven end flange.
7. The steel ball type energy-saving soft start coupling according to claim 4, wherein the middle module is a universal joint type middle joint, the universal joint type middle joint comprises a universal joint, one side of the universal joint is fixedly connected with the soft start driving end body through the middle flange, and the other side of the universal joint is fixedly connected with the driven end flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320534380.1U CN219549421U (en) | 2023-03-17 | 2023-03-17 | Steel ball type energy-saving soft start coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320534380.1U CN219549421U (en) | 2023-03-17 | 2023-03-17 | Steel ball type energy-saving soft start coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549421U true CN219549421U (en) | 2023-08-18 |
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ID=87700651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320534380.1U Active CN219549421U (en) | 2023-03-17 | 2023-03-17 | Steel ball type energy-saving soft start coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549421U (en) |
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2023
- 2023-03-17 CN CN202320534380.1U patent/CN219549421U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A steel ball type energy-saving soft start coupling Granted publication date: 20230818 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: SICHUAN YISHANG TIANJIAO INDUSTRIAL CO.,LTD. Registration number: Y2024980019634 |