CN204022361U - Reducing type roller, energy-conservation hoisting mechanism and carry bucket type mixing plant - Google Patents
Reducing type roller, energy-conservation hoisting mechanism and carry bucket type mixing plant Download PDFInfo
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- CN204022361U CN204022361U CN201420438503.2U CN201420438503U CN204022361U CN 204022361 U CN204022361 U CN 204022361U CN 201420438503 U CN201420438503 U CN 201420438503U CN 204022361 U CN204022361 U CN 204022361U
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- roller
- motor
- reducing type
- energy
- reducing
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Abstract
The utility model relates to a kind of reducing type roller, energy-conservation hoisting mechanism and carries bucket type mixing plant, and wherein, reducing type roller comprises the first roller, the second roller and the 3rd roller that set gradually; The diameter of the diameter of described the first roller and described the 3rd roller is all less than the diameter of described the second roller.Little-large-little version that straightens footpath roller that the utility model roller is set to, can make the linear velocity of steel rope wound on it by low-Gao-low change, energy-conserving and environment-protective relatively, extend the service life of whole system, greatly weaken the impact of boxcar to walking track, steel rope and motor, reduced noise; Meanwhile also reduce the electric current of motor moment while starting, protected motor, extended the service life of motor, increased the safety performance of system.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of reducing type roller, energy-conservation hoisting mechanism and carries bucket type mixing plant.
Background technology
At present, the hoisting mechanism of carrying bucket station using on market mostly is the reductor of equal diameter roller coupling S1 work system motor form, the linear velocity V of equal diameter roller reaches maxim in a short period of time, so the acceleration/accel a at this process intermediate diameters roller trends towards infinity, according to formula F=ma (m quality, a acceleration/accel), in the time that moment starts, the value of the tensile force f of steel rope trends towards infinity, again according to formula M=FL (M moment, F pulling force, the L arm of force), because arm of force L is fixed value, moment M its value in the time that moment starts also trends towards infinity thus.Moment in V and the increase of M value: reductor and steel rope moment need be born moment and the value of thrust higher than several times of normal workings, greatly reduce the service life of the two, and boxcar also can produce larger noise to the moment impact of track and reductor, impact working environment around etc.
Carry bucket type mixing plant hoisting mechanism because starting spot speed, the excessive following problem causing of moment increment in order to overcome routine: motor immediate current is too high easily occurs that band-type brake is shut down, energy consumption waste; The life-span that the moment impact that boxcar forms reductor, steel rope and track can reduce whole system, there is potential safety hazard, and noise will impact working environment around etc., need badly design a kind of can energy-conserving and environment-protective, safe reliability is higher, the energy-saving hoist lifting device in service life that can extend whole system.
Utility model content
For the problems referred to above, the purpose of this utility model is propose a kind of reducing type roller, energy-conservation hoisting mechanism and carry bucket type mixing plant, and its energy-conserving and environment-protective relatively extend the service life of whole system.
For achieving the above object, the utility model provides a kind of reducing type roller, and it comprises the first roller, the second roller and the 3rd roller that set gradually; The diameter of the diameter of described the first roller and described the 3rd roller is all less than the diameter of described the second roller.
In a preferred or optional embodiment, the axis of described the first roller does not overlap with the axis of described the second roller, and the axis of described the second roller overlaps with the axis of described the 3rd roller.
In a preferred or optional embodiment, described reducing type roller also comprises axle drive shaft, described axle drive shaft passes wheel limit, described the second roller and described the 3rd roller of described the first roller successively, and the axis of described axle drive shaft overlaps with the axis of described the second roller and the axis of described the 3rd roller.
In a preferred or optional embodiment, described reducing type roller moment is while startup, the force direction that is subject to of the winding rope on described the first roller overlaps with the tangent to periphery direction of described the first roller, and the point of contact of described tangent line and described axle drive shaft overlap through wearing of the wheel limit of described the first roller.
For achieving the above object, the utility model also provides a kind of energy-conservation hoisting mechanism, and it comprises motor, also comprises the reducing type roller in above-mentioned arbitrary embodiment, and the output shaft of described motor is connected with the axle drive shaft of described reducing type roller.
For achieving the above object, the utility model also provides one to carry bucket type mixing plant, and it comprises walking track and boxcar, also comprises above-mentioned energy-conservation hoisting mechanism.
In a preferred or optional embodiment, on described walking track, be provided with three stations, be respectively the position that connects material, treat discharge position and discharge position, the described position that connects material, treat that discharge position and discharge position are provided with approach switch or travel switch, described approach switch or travel switch are electrically connected a controller, motor in the described energy-conservation hoisting mechanism of described controller electrical connection, described controller by boxcar described in described electric machine control in the described position that connects material, treat stopping and starting of discharge position and discharge position.
In a preferred or optional embodiment, described motor is the reducing motor that adopts S3 intermittent periodic duty.
In a preferred or optional embodiment, in described energy-conservation hoisting mechanism, the diameter of the first roller, the second roller and the 3rd roller of reducing type roller and the corresponding grooving number of turns, all, according in the cycle of operations of described reducing motor, stroke and described three stations of described boxcar in described walking track are determined.
Based on technique scheme, the utility model at least has following beneficial effect:
Little-large-little version that straightens footpath roller that the utility model roller is set to, can make the linear velocity of steel rope wound on it by low-Gao-low change, and energy-conserving and environment-protective relatively, extend the service life of whole system.
At a preferred or optional embodiment, can weaken the impact to walking track, steel rope and motor of boxcar that steel rope draws, increase the safety performance of system, reduce the electric current of motor moment while starting, extend the service life of motor.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
The sectional structure schematic diagram of one illustrative examples of the reducing type roller that Fig. 1 provides for the utility model;
Stressed and the arm of force of reducing type roller that Fig. 2 provides for the utility model is analyzed schematic diagram;
The structural representation of the energy-conservation hoisting mechanism that Fig. 3 provides for the utility model;
The local installing condition schematic diagram of the reducing type roller that Fig. 4 provides for the utility model on energy-conservation hoisting mechanism;
The structural representation of carrying bucket type mixing plant that Fig. 5 provides for the utility model.
In accompanying drawing:
A-reducing type roller; 1-the first roller; 2-the second roller; 3-the 3rd roller; 4-motor; The 5-track of walking; 6-boxcar; The 7-position that connects material; 8-treats discharge position; 9-discharge position; 10-wears a little; 11-pedestal.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
First the technical term of using in the utility model is made an explanation.
Machine operation system: the work system of motor shows the permission cycle time of motor under different loads.The classification of the work system of motor is the explanation of motor being born to condition of loading, and it comprises startup, electric braking, zero load, the stall of disconnected energy and the time length in these stages and sequencing.Electrical motor work system is divided into: S1～S10, totally 10 classes; Wherein:
S1 continous way work system: move under permanent load, motor reaches thermal steady state.
S3 intermittent periodic duty: by series of identical cycle of operations operation, each cycle comprises one section of constant load time of run and one section of disconnected energy rundown time.The starting current in each cycle in this work system is unlikely to be made a significant impact temperature rise.
As shown in Figure 1, the sectional structure schematic diagram of an illustrative examples of the reducing type roller providing for the utility model, in this illustrative examples, reducing type roller A comprises the first roller 1, the second roller 2 and the 3rd roller 3 that set gradually; The diameter of the diameter of the first roller 1 and the 3rd roller 3 is all less than the diameter of the second roller 2.
The break the normal procedure version of equal diameter roller of the utility model, that roller is set to is little-version of large-little reducing type roller A, according to formula F=ma, P=FV and M=FL, the linear velocity V that reducing type roller A is corresponding and arm of force L have experienced by little-large-little change process, the moving velocity of the boxcar that further, steel rope draws is by low-Gao-low change; Not only energy-conserving and environment-protective relatively, and greatly weakened the impact of boxcar to walking track, steel rope and motor, reduce noise; Meanwhile also reduce the electric current of motor moment while starting, protected motor, extended the service life of motor, increased the safety performance of system.
Wherein, the pulling force that F is steel rope, the quality that m is boxcar, a is the corresponding acceleration/accel of reducing type roller, and P is power of motor, and V is the corresponding linear velocity of reducing type roller, and M is that the corresponding moment of reducing type roller, L are the corresponding arm of force of reducing type roller.
In the illustrative examples of the reducing type roller A providing at the utility model, the axis of the first roller 1 does not overlap with the axis of the second roller 2, and the axis of the second roller 2 overlaps with the axis of the 3rd roller 3.Between the first roller 1 and the second roller 2, be eccentric structure setting, can reduce moment start time acceleration/accel and moment of torsion.
In the illustrative examples of the reducing type roller A providing at the utility model, reducing type roller A also comprises axle drive shaft, axle drive shaft passes wheel limit, the second roller 2 and the 3rd roller 3 of the first roller 1 successively, and the axis of axle drive shaft overlaps with the axis of the second roller 2 and the axis of the 3rd roller 3.The first roller 1 is eccentric mechanism, can further reduce moment start time acceleration/accel and moment of torsion.
As shown in Figure 2, in the illustrative examples of the reducing type roller A providing at the utility model, reducing type roller A band 6 moments of boxcar are while startup, the tensile force f direction of the steel rope on the first roller 1 overlaps with the tangent to periphery direction of the first roller 1, and the point of contact of this tangent line 10 overlaps through wearing a little of the first roller 1 with axle drive shaft.
Reducing type roller A is wirerope-winding mechanism, little-large-little structure that diameter form is divided into, between the first roller 1 of steel rope starting point and second roller 2 at middle part, adopt eccentric stiffener, the second roller 2 is coaxial with the 3rd roller 3, when the first 1 moment of roller started, steel rope is overlapped with the tangent to periphery direction of this position by force direction, and the point of contact of this tangent line is the center that wears in axle drive shaft in theory, now arm of force L and linear velocity V value all trend towards zero, according to formula M=FL and P=FV, moment M herein and power P also trend towards infinitely small, the value that is the corresponding arm of force L of reducing type roller A while starting moment drops to nadir, not only energy-conserving and environment-protective more, and further greatly weaken boxcar 6 to walking track 5, the impact of steel rope and motor 4, reduce noise, meanwhile also further reduced the electric current of 4 moments of motor while starting, protected motor 4, extended motor 4 service life, increased the safety performance of system.
The reducing type roller A that the utility model provides can be applied on hoisting mechanism.
As shown in Figure 3, Figure 4, in the illustrative examples of the energy-conservation hoisting mechanism providing at the utility model, energy-conservation hoisting mechanism comprises motor 4, also comprises the reducing type roller A in above-mentioned arbitrary embodiment, and the output shaft of motor 4 is connected with the axle drive shaft of reducing type roller A.
The energy-conservation hoisting mechanism that the utility model provides possesses the beneficial effect of the reducing type roller A that the utility model provides accordingly.
The energy-conservation hoisting mechanism that the utility model provides can be applied in to be carried in bucket type mixing plant.
As shown in Figure 5, in the illustrative examples of carrying bucket type mixing plant providing at the utility model, carry bucket type mixing plant and comprise walking track 5 and boxcar 6, also comprise the energy-conservation hoisting mechanism in above-mentioned arbitrary embodiment.Reducing type roller A in energy-conservation hoisting mechanism can be arranged on the pedestal 11 (as shown in Figure 3) of the top of the walking track 5 of walking for boxcar 6.
In the illustrative examples of carrying bucket type mixing plant providing at the utility model, on walking track 5, be provided with three stations, be respectively the position 7 that connects material, treat discharge position 8 and discharge position 9.Boxcar 6 in the position 7 that connects material, treat that discharge position 8 and discharge position 9 all remain static.Wherein, the position 7 that connects material, the bottommost of boxcar 6 in walking track 5; Treat discharge position 8, boxcar 6 rises to the below of discharge position 9 along walking track 5 from the position 7 that connects material, and is waiting for the aggregate in bucket body is dropped into puddle mixer (but not feeding intake); Discharge position 9 is that boxcar 6 rises to from treating discharge position 8 position that the aggregate in bucket body starts to drop into puddle mixer along walking track 5.
In the illustrative examples of carrying bucket type mixing plant providing at the utility model, in order to ensure the accurate realization of above-mentioned three station positions, position 7 connects material, treat that discharge position 8 and discharge position 9 are provided with approach switch or travel switch, approach switch or travel switch are electrically connected a controller, controller is electrically connected the motor 4 in energy-conservation hoisting mechanism, in the time that boxcar 6 travels to each work station point, approach switch or travel switch can automatically detect and by signal feedback to controller, controller sends a signal to motor 4, control boxcar 6 in the position 7 that connects material by motor 4, treat stopping and starting of discharge position 8 and discharge position 9.
The mode of operation of the bucket type of the carrying mixing plant providing due to the utility model is step work characteristics, be operating as of motor turn-stop-turn periodic duty, therefore, motor 4 can be selected the reducing motor of the S3 intermittent periodic duty matching with this work characteristics, the weight and volume of the motor of S3 intermittent periodic duty is more much smaller than the weight and volume of the motor of the S1 continuous duty of Same Efficieney, thereby, cost is also relatively low, can greatly reduce thus design cost and can ensure again the performance same with the motor of continuous duty simultaneously.
In energy-conservation hoisting mechanism, the first roller 1, the second roller 2 and the diameter of the 3rd roller 3 and the corresponding grooving number of turns of reducing type roller A, all, according in the cycle of operations of reducing motor that adopts S3 intermittent periodic duty, stroke and three stations of boxcar 6 in walking track 5 are determined.
For example: the intermittent periodic duty motor of 2200w-S320%; its arcing time factor 20%; represent that this motor allows the rating horsepower of time (12 minutes) of 20% output 2200w in the cycle of operations of a hour (being not limited to this); other times section or reduction Power operation, or shut down.
What the utility model provided carries in bucket type mixing plant, because the reducing motor that need to guarantee S3 intermittent periodic duty is when the rated power operation, mainly the second roller 2 rolling steel ropes, in the time reducing Power operation, mainly the first roller 1 and the 3rd roller 3 rolling steel ropes, therefore, can calculate boxcar 6 stroke and three work bit positions in orbit according to the cycle of operations feature (time period) of above-mentioned S3 intermittent periodic duty reducing motor, determine the first roller 1 of reducing type roller A, the diameter of the second roller 2 and the 3rd roller 3 and the corresponding grooving number of turns.
The above-mentioned control method of carrying bucket type mixing plant that the utility model provides, its control process is as follows:
Boxcar 6 in the time connecting material position 7 transient starting, the first roller 1 rolling steel rope of reducing type roller A; The effect of the first roller 1 is in the time that 7 moments of position that connect material start, farthest to reduce the moment of torsion of motor and magnitude of power (reducing electric current, protection motor) at boxcar 6;
Boxcar 6 is from the position 7 that connects material to treating process that discharge position 8 moves, the first roller 1, the second roller 2 and the 3rd roller 3 rolling steel rope successively of reducing type roller A; The effect of the second roller 2 is to ensure that the first roller 1 reduces time that boxcar 6 travels in whole walking track 5 after completing its mission and increases the efficiency of whole system with this by the V that pushes the speed;
Boxcar 6 is in until discharge position 8, from moving and during in discharge position 9 to discharge position 9 until discharge position 8, the 3rd roller 3 rolling steel ropes; The effect of the 3rd roller 3 is brakes, and in the time that starting again, reduces moment moment of torsion and the magnitude of power of reducing motor, be boxcar 6 by the position 7 that connects material to treating that discharge position 8 stops needing slowing-down brake, by in the time that discharge position 8 started again to 9 moments of discharge position, also there is effect the same with the first roller 1 in the time that 7 moments of position that connect material start simultaneously.
What the utility model provided carry bucket type mixing plant possesses accordingly energy-conservation hoisting mechanism that the utility model provides and the beneficial effect of reducing type roller.The utility model makes full use of the feature of carrying bucket type mixing plant lifting hoisting mechanism, adopt reducing type roller to mate combination with the motor of S3 intermittent periodic duty, can effectively reduce the waste of power of system, the cost of reduction whole system, the safe reliability of enhancing system, raising system running efficiency and service life, there is the advantages such as energy-conserving and environment-protective more.
In description of the present utility model; it will be appreciated that; use the words such as " first ", " second ", " the 3rd " to limit parts; be only used to be convenient to above-mentioned parts to distinguish; as there is no a Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as the restriction to the utility model protection domain.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement detailed description of the invention of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (9)
1. a reducing type roller, is characterized in that: comprise the first roller, the second roller and the 3rd roller that set gradually; The diameter of the diameter of described the first roller and described the 3rd roller is all less than the diameter of described the second roller.
2. reducing type roller as claimed in claim 1, is characterized in that: the axis of described the first roller does not overlap with the axis of described the second roller, and the axis of described the second roller overlaps with the axis of described the 3rd roller.
3. reducing type roller as claimed in claim 2, it is characterized in that: described reducing type roller also comprises axle drive shaft, described axle drive shaft passes wheel limit, described the second roller and described the 3rd roller of described the first roller successively, and the axis of described axle drive shaft overlaps with the axis of described the second roller and the axis of described the 3rd roller.
4. reducing type roller as claimed in claim 3, it is characterized in that: described reducing type roller moment is while startup, the force direction that is subject to of the winding rope on described the first roller overlaps with the tangent to periphery direction of described the first roller, and the point of contact of described tangent line and described axle drive shaft overlap through wearing of the wheel limit of described the first roller.
5. an energy-conservation hoisting mechanism, comprises motor, it is characterized in that: also comprise the reducing type roller described in claim 1-4 any one, the output shaft of described motor is connected with the axle drive shaft of described reducing type roller.
6. carry a bucket type mixing plant, comprise walking track and boxcar, it is characterized in that: also comprise energy-conservation hoisting mechanism claimed in claim 5.
7. the bucket type mixing plant of carrying as claimed in claim 6, it is characterized in that: on described walking track, be provided with three stations, be respectively the position that connects material, treat discharge position and discharge position, the described position that connects material, treat that discharge position and discharge position are provided with approach switch or travel switch, described approach switch or travel switch are electrically connected a controller, motor in the described energy-conservation hoisting mechanism of described controller electrical connection, described controller by boxcar described in described electric machine control in the described position that connects material, treat stopping and starting of discharge position and discharge position.
8. the bucket type mixing plant of carrying as claimed in claim 7, is characterized in that: described motor is the reducing motor that adopts S3 intermittent periodic duty.
9. the bucket type mixing plant of carrying as claimed in claim 8, it is characterized in that: in described energy-conservation hoisting mechanism, the diameter of the first roller, the second roller and the 3rd roller of reducing type roller and the corresponding grooving number of turns, all, according in the cycle of operations of described reducing motor, stroke and described three stations of described boxcar in described walking track are determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438503.2U CN204022361U (en) | 2014-08-05 | 2014-08-05 | Reducing type roller, energy-conservation hoisting mechanism and carry bucket type mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438503.2U CN204022361U (en) | 2014-08-05 | 2014-08-05 | Reducing type roller, energy-conservation hoisting mechanism and carry bucket type mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204022361U true CN204022361U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420438503.2U Withdrawn - After Issue CN204022361U (en) | 2014-08-05 | 2014-08-05 | Reducing type roller, energy-conservation hoisting mechanism and carry bucket type mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204022361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150386A (en) * | 2014-08-05 | 2014-11-19 | 徐州徐工施维英机械有限公司 | Reducing type roller, energy-saving hoisting mechanism, lifting hopper type stirring station and control method |
-
2014
- 2014-08-05 CN CN201420438503.2U patent/CN204022361U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150386A (en) * | 2014-08-05 | 2014-11-19 | 徐州徐工施维英机械有限公司 | Reducing type roller, energy-saving hoisting mechanism, lifting hopper type stirring station and control method |
| CN104150386B (en) * | 2014-08-05 | 2017-04-12 | 徐州徐工施维英机械有限公司 | Reducing type roller, energy-saving hoisting mechanism, lifting hopper type stirring station and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20170412 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20170412 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |