CN205114313U - Mechanical type scraper conveyor soft start transmission - Google Patents
Mechanical type scraper conveyor soft start transmission Download PDFInfo
- Publication number
- CN205114313U CN205114313U CN201520859021.9U CN201520859021U CN205114313U CN 205114313 U CN205114313 U CN 205114313U CN 201520859021 U CN201520859021 U CN 201520859021U CN 205114313 U CN205114313 U CN 205114313U
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- China
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- bearing
- end cap
- housing
- fixedly connected
- rotor
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Abstract
The utility model discloses a mechanical type scraper conveyor soft start transmission, the first bearing and the second bearing that set up including the interval, it is connected with the rotor to rotate in the inner circle of first bearing and second bearing, it has the shaft hole to open on the rotor, the intermediate position department cover of rotor is equipped with the casing, be equipped with a plurality of cavitys between the outer wall of rotor and the inner wall of casing, be equipped with a plurality of steel balls in every cavity, be equipped with first end cover between one side of first bearing and casing, be equipped with the second end cover between the opposite side of second bearing and casing, the outside of first bearing is equipped with first bearing lid, the outside of second bearing is equipped with the shaft coupling dish, first bearing lid and first end cover fixed connection, shaft coupling dish and second end cover fixed connection, one side fixed connection of first end cover and casing, the opposite side fixed connection of second end cover and casing. The utility model discloses simple structure, reasonable in design, it is convenient and with low costs to realize, starts steadily, does not have mechanical shock, and the operational reliability is high, long service life, convenient to popularize and use.
Description
Technical field
The utility model belongs to technical field of mechanical transmission, is specifically related to a kind of mechanical scraper conveyer soft start transmission device.
Background technology
Slat conveyer principal feature is Fraquent start and heavy-load start, and load constantly change and time length is irregular between unloaded, fully loaded, the even serious overload of overload.As unprotect, burn-down of electric motor accident can be caused.At present, China's coal-mine slat conveyer adopts a kind of Starting mode to be load limiting type of constant filling fluid coupling, and this mode easily produces larger radial minor load and impacts, and damages electrical motor and speed reduction gearing; Leakage is the fault often had, and very easily causes stopping production accident, and the accident impact time is long.
In order to solve the slat conveyer difficult problem started under heavy loads, the concept that people slowly propose " soft start ", soft start refers to that mechanical system also can progressively overcome the inertia of whole system according to required speed and start reposefully or stop under the operating mode of heavy duty.Soft start transmission device refers to and is arranged between electrical motor and mechanical load, for realizing the driving device of soft start.When adopting soft Starting Technology can not only effectively reduce to start, electrical motor impacts the startup of machine driven system, in the service life of the critical components such as prolonged deceleration device, greatly can also reduce the impact load of starting current on electrical motor and the impact on electrical network simultaneously.But, in prior art, also do not have structure simple, reasonable in design, realize convenient and cost is low, functional reliability is high, long service life, be convenient to the mechanical scraper conveyer soft start transmission device promoted the use of.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of mechanical scraper conveyer soft start transmission device is provided, its structure is simple, reasonable in design, and realization is convenient and cost is low, start steadily, do not have physical shock, functional reliability is high, long service life, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of mechanical scraper conveyer soft start transmission device, it is characterized in that: comprise spaced clutch shaft bearing and the second bearing, rotor is rotatably connected in the inner ring of described clutch shaft bearing and the second bearing, described rotor has the axis hole for connecting power input shaft, the middle position of described rotor is set with housing, multiple cavity is provided with between the outer wall of described rotor and the inwall of housing, multiple steel ball is provided with in each described cavity, the first end cap is provided with between described clutch shaft bearing and the side of housing, the second end cap is provided with between described second bearing and the opposite side of housing, the arranged outside of described clutch shaft bearing has clutch shaft bearing lid, the arranged outside of described second bearing has the tray joint shaft for connecting slat conveyer main frame transmission shaft, described clutch shaft bearing lid is fixedly connected with the first end cap, described tray joint shaft is fixedly connected with the second end cap, described first end cap is fixedly connected with the side of housing, described second end cap is fixedly connected with the opposite side of housing.
Above-mentioned mechanical scraper conveyer soft start transmission device, is characterized in that: the quantity of described cavity is 4 ~ 8, and the diameter of described steel ball is 2mm ~ 6mm, and in each described cavity, the quantity of steel ball is 100 ~ 300.
Above-mentioned mechanical scraper conveyer soft start transmission device, it is characterized in that: described clutch shaft bearing lid is fixedly connected with the first end cap by the first bolt, described tray joint shaft is fixedly connected with the second end cap by the second bolt, described first end cap is fixedly connected with the side of housing by the 3rd bolt, and described second end cap is fixedly connected with the opposite side of housing by the 4th bolt.
Above-mentioned mechanical scraper conveyer soft start transmission device, is characterized in that: described clutch shaft bearing and the second bearing are cylindrical roller bearing.
The utility model compared with prior art has the following advantages:
1, the utility model is a kind of driving device that can improve the pure mechanical system of the starting characteristic of slat conveyer, and structure is simple, reasonable in design, and realization is convenient and cost is low.
2, the utility model can use the maximum torque starting slat conveyer of motor, and the cranking power of motor thus can be made to improve 15% ~ 20%, and the service efficiency of motor is high.
3, when the utility model starts slat conveyer, load is that the motor that is added to gradually gets in the process of starting, the staring torque of the utility model specific rigidity coupler in the process started is little, so the moment that specific rigidity coupler overcomes is less, start easily, starting current is little, not easy burn-out motor.
4, when the utility model uses, when the torque of slat conveyer exceedes the output torque of this driving device, between steel ball and housing, produce skidding, serve the effect of protection motor, be namely provided with overload protection function, start steadily, there is no physical shock.
5, functional reliability of the present utility model is high, long service life, and result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, reasonable in design, and realization is convenient and cost is low, and start steadily, do not have physical shock, functional reliability is high, long service life, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right elevation of Fig. 1.
Description of reference numerals:
1-clutch shaft bearing lid; 2-the first end cap; 3-rotor;
4-housing; 5-tray joint shaft; 6-steel ball;
7-clutch shaft bearing; 8-the second bearing; 9-axis hole;
10-cavity; 11-the second end cap; 12-the first bolt;
13-the second bolt; 14-the three bolt; 15-the four bolt.
Detailed description of the invention
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model comprises spaced clutch shaft bearing 7 and the second bearing 8, rotor 3 is rotatably connected in the inner ring of described clutch shaft bearing 7 and the second bearing 8, described rotor 3 has the axis hole 9 for connecting power input shaft, the middle position of described rotor 3 is set with housing 4, multiple cavity 10 is provided with between the outer wall of described rotor 3 and the inwall of housing 4, multiple steel ball 6 is provided with in each described cavity 10, the first end cap 2 is provided with between described clutch shaft bearing 7 and the side of housing 4, the second end cap 11 is provided with between described second bearing 8 and the opposite side of housing 4, the arranged outside of described clutch shaft bearing 7 has clutch shaft bearing lid 1, the arranged outside of described second bearing 8 has the tray joint shaft 5 for connecting slat conveyer main frame transmission shaft, described clutch shaft bearing lid 1 is fixedly connected with the first end cap 2, described tray joint shaft 5 is fixedly connected with the second end cap 11, described first end cap 2 is fixedly connected with the side of housing 4, described second end cap 11 is fixedly connected with the opposite side of housing 4.
In the present embodiment, the quantity of described cavity 10 is 4 ~ 8, and the diameter of described steel ball 6 is 2mm ~ 6mm, and in each described cavity 10, the quantity of steel ball 6 is 100 ~ 300.Preferably, the quantity of described cavity 10 is 6, and the diameter of described steel ball 6 is 4mm, and in each described cavity 10, the quantity of steel ball 6 is 200.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, described clutch shaft bearing lid 1 is fixedly connected with the first end cap 2 by the first bolt 12, described tray joint shaft 5 is fixedly connected with the second end cap 11 by the second bolt 13, described first end cap 2 is fixedly connected with the side of housing 4 by the 3rd bolt 14, and described second end cap 11 is fixedly connected with the opposite side of housing 4 by the 4th bolt 15.
In the present embodiment, described clutch shaft bearing 7 and the second bearing 8 are cylindrical roller bearing.
When the utility model uses, first, power input shaft is connected in axis hole 9, and power input shaft is connected with the output shaft of motor, and slat conveyer main frame transmission shaft is connected with tray joint shaft 5; Then, starter motor, driven by motor power input shaft rotates, power input shaft rotor driven 3 rotates, steel ball 6 is driven by the friction force of rotor 3 outer wall and rotates, and be distributed in the cavity 10 between the outer wall of rotor 3 and the inwall of housing 4, along with motor accelerates to rotate, increasing steel ball 6 rotates with rotor 3, effect due to centnifugal force forces the mutual compacting of steel ball 6 to become a continuous print medium, produce pressure to housing 4 and drive housing 4 to rotate, housing 4 drives tray joint shaft 5 to rotate, and Driving Torque is to slat conveyer main frame transmission shaft.Under the torque rating of slat conveyer, do not produce skidding between steel ball 6 and housing 4, driving efficiency is up to 80% ~ 90%; When the torque of slat conveyer exceedes the output torque of this driving device, between steel ball 6 and housing 4, produce skidding, serve the effect of protection motor; After motor cuts out, the rotating speed of rotor 3 also declines thereupon, and steel ball 6 is along with centnifugal force reduction, and steel ball 6 gets back to reference position at leisure, is still in the cavity 10 between the outer wall of rotor 3 and the inwall of housing 4.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. a mechanical scraper conveyer soft start transmission device, it is characterized in that: comprise spaced clutch shaft bearing (7) and the second bearing (8), rotor (3) is rotatably connected in the inner ring of described clutch shaft bearing (7) and the second bearing (8), described rotor (3) has the axis hole (9) for connecting power input shaft, the middle position of described rotor (3) is set with housing (4), multiple cavity (10) is provided with between the outer wall of described rotor (3) and the inwall of housing (4), multiple steel ball (6) is provided with in each described cavity (10), the first end cap (2) is provided with between the side of described clutch shaft bearing (7) and housing (4), the second end cap (11) is provided with between described second bearing (8) and the opposite side of housing (4), the arranged outside of described clutch shaft bearing (7) has clutch shaft bearing lid (1), the arranged outside of described second bearing (8) has the tray joint shaft (5) for connecting slat conveyer main frame transmission shaft, described clutch shaft bearing lid (1) is fixedly connected with the first end cap (2), described tray joint shaft (5) is fixedly connected with the second end cap (11), described first end cap (2) is fixedly connected with the side of housing (4), described second end cap (11) is fixedly connected with the opposite side of housing (4).
2. according to mechanical scraper conveyer soft start transmission device according to claim 1, it is characterized in that: the quantity of described cavity (10) is 4 ~ 8, the diameter of described steel ball (6) is 2mm ~ 6mm, and in described each described cavity (10), the quantity of steel ball (6) is 100 ~ 300.
3. according to mechanical scraper conveyer soft start transmission device according to claim 1, it is characterized in that: described clutch shaft bearing lid (1) is fixedly connected with the first end cap (2) by the first bolt (12), described tray joint shaft (5) is fixedly connected with the second end cap (11) by the second bolt (13), described first end cap (2) is fixedly connected with the side of housing (4) by the 3rd bolt (14), and described second end cap (11) is fixedly connected with the opposite side of housing (4) by the 4th bolt (15).
4. according to mechanical scraper conveyer soft start transmission device according to claim 1, it is characterized in that: described clutch shaft bearing (7) and the second bearing (8) are cylindrical roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859021.9U CN205114313U (en) | 2015-10-30 | 2015-10-30 | Mechanical type scraper conveyor soft start transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859021.9U CN205114313U (en) | 2015-10-30 | 2015-10-30 | Mechanical type scraper conveyor soft start transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205114313U true CN205114313U (en) | 2016-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520859021.9U Expired - Fee Related CN205114313U (en) | 2015-10-30 | 2015-10-30 | Mechanical type scraper conveyor soft start transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205114313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160582A (en) * | 2016-08-30 | 2016-11-23 | 魏稼丰 | The centrifugal soft initiator of precompressed enhancement mode |
| CN108223615A (en) * | 2018-02-23 | 2018-06-29 | 李永耀 | flexible speed change clutch soft start transmission device |
-
2015
- 2015-10-30 CN CN201520859021.9U patent/CN205114313U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160582A (en) * | 2016-08-30 | 2016-11-23 | 魏稼丰 | The centrifugal soft initiator of precompressed enhancement mode |
| CN106160582B (en) * | 2016-08-30 | 2019-01-08 | 魏稼丰 | The enhanced centrifugal soft activator of precompressed |
| CN108223615A (en) * | 2018-02-23 | 2018-06-29 | 李永耀 | flexible speed change clutch soft start transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20161030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |