CN114233825A - Belt transmission mechanism and pavement cold recycling machine - Google Patents
Belt transmission mechanism and pavement cold recycling machine Download PDFInfo
- Publication number
- CN114233825A CN114233825A CN202111534027.5A CN202111534027A CN114233825A CN 114233825 A CN114233825 A CN 114233825A CN 202111534027 A CN202111534027 A CN 202111534027A CN 114233825 A CN114233825 A CN 114233825A
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- Prior art keywords
- wheel
- transition
- belt
- transmission
- driving wheel
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 89
- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 230000007704 transition Effects 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/14—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0889—Path of movement of the finally actuated member
- F16H2007/0893—Circular path
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a belt transmission mechanism and a pavement cold recycling machine in the technical field of vehicle engineering machinery, and aims to solve the problems of load increase and inconvenience in transportation caused by overlong main shafts of driving wheels in the prior art. The belt transmission mechanism comprises a driving wheel, a driven wheel and a compensation device, wherein the driven wheel and the driving wheel have axial offset, the compensation device is used for compensating the axial offset distance between the driving wheel and the driven wheel, the compensation device comprises a transition transmission shaft, a transition transmission wheel II and a transition transmission wheel I, the transition transmission wheel II and the transition transmission wheel I are respectively arranged at two ends of the transition transmission shaft, and the axis of the transition transmission shaft is parallel to the axis of the driving wheel and the axis of the driven wheel. The invention is suitable for compensating the distance between the transmission mechanisms of the conveyor belt, and can achieve the purposes of reducing the load of the main shaft, prolonging the service life of equipment and realizing convenient transportation of the equipment.
Description
Technical Field
The invention relates to the technical field of vehicle engineering machinery, in particular to a belt transmission mechanism and a pavement cold recycling machine.
Background
The pavement cold recycling machine is special mechanical equipment for maintenance operation of highways and urban roads, foamed asphalt and old road materials generated by milling are processed on site in the construction process, the construction efficiency is high, and compared with the traditional milling overlay maintenance method, the pavement cold recycling machine saves cost, protects environment and saves energy. The belt transmission system is the core of the transmission system of the road cold recycling machine.
And belt drive mechanism adopts the belt pulley terminal surface mode of alignment more, if equipment and power supply side distance are great, then need stretch out the driving shaft of longer length at the power supply, but the driving shaft extension can make the moment of flexure that the driving shaft receives and bearing atress greatly increased, causes the driving shaft and the bearing life-span to reduce, and the driving shaft of big length makes power output position width too big inconvenient transportation in addition.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a belt transmission mechanism and a pavement cold recycling machine, which are suitable for the working environment that a driving wheel and a driven wheel have axial offset and can ensure the reliable transmission of power under the condition of not lengthening a driving shaft.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
on one hand, the invention provides a belt transmission mechanism, which comprises a driving wheel, a driven wheel and a compensation device, wherein the driven wheel has axial offset with the driving wheel;
the compensation device comprises a transition transmission shaft, a transition transmission wheel II and a transition transmission wheel I which are respectively arranged at two ends of the transition transmission shaft; the axis of the transition transmission shaft is parallel to the axis of the driving wheel and the axis of the driven wheel;
the end face of the first transition transmission wheel is flush with the end face of the driving wheel, and the first transition transmission wheel is in transmission connection with the driving wheel through a primary belt;
the second transition driving wheel is flush with the end face of the driven wheel, and the second transition driving wheel is in transmission connection with the driven wheel through a secondary belt.
Particularly, the tensioning device further comprises a tensioning assembly used for adjusting the tension degree of the primary belt and the tension degree of the secondary belt.
Specifically, tensioning assembly includes the fixing base, rotates the steering arm that sets up on the fixing base and is used for adjusting the guiding mechanism that the steering arm turned to, it is provided with the tensioning arm to rotate on the steering arm, transition transmission shaft rotates with the tensioning arm and is connected.
Specifically, the adjusting mechanism comprises a tensioning oil cylinder, a driving shaft of the tensioning oil cylinder is in rotating connection with the steering arm, and a cylinder body of the tensioning oil cylinder is rotatably arranged on the fixed seat or the working device.
Specifically, the adjusting mechanism further comprises a pre-tightening mechanism arranged on the fixed seat or the working device, and the pre-tightening mechanism is used for pre-tightening the primary belt and the secondary belt.
Specifically, the pre-tightening mechanism is a pre-tightening screw rod, one end of the pre-tightening screw rod is rotatably arranged on the fixed seat or the working device, the steering arm is rotatably provided with a nut sleeve, and the nut sleeve is in threaded connection with the end of the pre-tightening screw rod.
Specifically, the second transition driving wheel and the first transition driving wheel are detachably connected with the transition transmission shaft.
In another aspect, the present invention provides a cold road surface recycling machine, comprising a power source, a working device and the belt transmission mechanism of any one of the above; the driving wheel is in transmission connection with the power source through the driving shaft, and the driven wheel is in transmission connection with the working device through the power output shaft.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a belt transmission mechanism and a pavement cold recycling machine, which are provided with a compensation device, wherein the compensation device comprises a transition transmission shaft, a first transition transmission wheel and a second transition transmission wheel, wherein the first transition transmission wheel and the second transition transmission wheel are respectively arranged at two ends of the transition transmission shaft; the end faces of the transition driving wheel II and the driven wheel are aligned and are in transmission connection through a secondary belt; through the compensation device, the reliable transmission of the driving wheel and the driven wheel can be realized under the condition of not prolonging the driving shaft, the load of the driving shaft can be effectively reduced, the service life of the driving shaft can be prolonged, the bending of the driving shaft in the transportation process can be effectively prevented, and the disassembly, assembly and transportation are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a belt drive mechanism according to an embodiment of the present invention;
FIG. 2 is another angular schematic view of FIG. 1;
reference numerals: 1. a base; 2. pre-tensioning the screw; 3. tensioning the oil cylinder; 4. a steering arm; 5. a tensioning arm; 6. a primary belt; 7. a driving wheel; 8. a second transition transmission wheel; 9. a driven wheel; 10. a secondary belt; 11. a working device; 12. and a first transition driving wheel.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The first embodiment is as follows:
the belt transmission mechanism provided by the embodiment of the invention is suitable for the working condition that the driving wheel and the driven wheel have axial deviation, can avoid prolonging the driving shaft, can effectively reduce the load of the driving shaft and prolong the service life of the driving shaft. Specifically, in order to compensate for the offset distance between the driving wheel 7 and the driven wheel 9, the belt transmission mechanism provided by the embodiment of the present invention is provided with a compensation device for compensating for the axial offset distance between the driving wheel 7 and the driven wheel 9.
As shown in fig. 1-2, the compensation device provided by the embodiment of the present invention includes a transition transmission shaft, a transition transmission wheel ii 8 and a transition transmission wheel i 12, wherein the transition transmission shaft extends along the axis of the driving wheel 7 to the driven wheel 9; the first transition transmission wheel 12 is arranged at one end of the transition transmission shaft, the end face of the first transition transmission wheel is flush with the end face of the driving wheel, and the first transition transmission wheel 12 is in transmission connection with the driving wheel through a primary belt 6; the second transition driving wheel 8 is arranged at the other end of the transition transmission shaft, the end face of the second transition driving wheel is flush with the end face of the driven wheel, and the second transition driving wheel 8 is in transmission connection with the driven wheel 9 through a secondary belt 10. The axial line of the transition transmission shaft is parallel to the axial line of the driving wheel 7 and the axial line of the driven wheel 9, the primary belt 6 and the secondary belt 10 can be smoothly attached to the corresponding driving wheels, the primary belt 6 and the secondary belt 10 are prevented from inclining and separating in the transmission process, and the reliable transmission of power is ensured; the length of the transition transmission shaft can be determined according to the axial offset distance of the driving wheel 7 and the driven wheel 9.
When the power source drives the driving wheel 7 to rotate through the driving shaft, the primary belt 6 drives the first transition driving wheel 12 to rotate, the first transition driving wheel 12 drives the second transition driving wheel 8 to rotate through the transition transmission shaft, and the second transition driving wheel 8 drives the driven wheel 9 to rotate through the secondary belt 10, so that the corresponding working device is driven to work.
In order to conveniently adjust the rotating speed ratio of the driving wheel and the driven wheel, the transition driving wheel II 8 and the transition driving wheel I12 can be detachably connected to the transition transmission shaft, the design structure is convenient for replacing the transition transmission shaft, so that the requirement of compensation of different axial offset distances is met, and the detachable connection structure is also convenient for dismounting and transporting the belt transmission mechanism.
Example two:
the embodiment of the invention provides a belt transmission mechanism, which is different from the first embodiment in that a tensioning assembly for adjusting the tension of a primary belt and a secondary belt is further arranged.
As an embodiment of the present invention, the tensioning assembly may include a fixed base 1, a steering arm 4 rotatably disposed on the fixed base 1, and an adjusting mechanism for adjusting the steering of the steering arm 4. As shown in fig. 1, the steering arm 4 may adopt a crank arm structure, the tensioning arm 5 is rotatably disposed on the steering arm 4, the transition transmission shaft is rotatably connected with the tensioning arm 5, and specifically, the transition transmission shaft and the tensioning arm 5 may be rotatably connected by sleeving a bearing on the transition transmission shaft. When the tension degree of the first-stage belt 6 and the tension degree of the second-stage belt 10 need to be adjusted, the rotating position of the steering arm 4 can be adjusted by the adjusting mechanism, the tensioning arm 5 rotates in a self-adaptive mode at the moment, the transition transmission shaft connected with the tensioning arm 5 in a rotating mode displaces until the first-stage belt 6 and the second-stage belt 10 are in a tensioning state, and the first-stage belt and the second-stage belt with proper tension degrees are favorable for guaranteeing good transmission performance.
The adjusting mechanism provided by the embodiment of the invention comprises a tensioning oil cylinder 3, specifically, a driving shaft of the tensioning oil cylinder 3 can be rotatably connected with a steering arm 4, a cylinder body of the tensioning oil cylinder 3 is rotatably arranged on a fixed seat 1 or a working device 11, under the action of electric control, the stretching of a driving shaft end of the tensioning oil cylinder 3 is represented as clockwise or anticlockwise rotation of the steering arm 4, and the tensioning action of a primary belt 6 and a secondary belt 10 is adjusted comprehensively through the action of a tensioning arm 5.
In order to prevent the belt portion (hereinafter, referred to as the primary belt 6 and the secondary belt 10) from being loosened due to the movement of the tensioning assembly before the tensioning is completed, the adjusting mechanism provided in the embodiment of the present invention may further include a pre-tightening mechanism disposed on the fixing base 1 or the working device 11, for pre-tightening the primary belt 6 and the secondary belt 10, so as to ensure that the initial position of the belt portion effectively avoids the loosening. In addition, the pretensioning mechanism can be used as an alternative to ensure that the primary and secondary belts are in tension when the adjustment mechanism is not functioning properly.
As shown in fig. 1, in order to realize the function of the pre-tightening mechanism, the pre-tightening mechanism provided in the embodiment of the present invention may specifically include a pre-tightening screw 2, one end of the pre-tightening screw 2 is rotatably disposed on the fixing base 1 or the working device 11, a nut sleeve is rotatably disposed on the steering arm 4, and the nut sleeve is threadedly connected to the pre-tightening screw 2, and when the pre-tightening mechanism is in operation, the pre-tightening mechanism adjusts the relative distance between the pre-tightening screw 2 and the nut sleeve by rotating the pre-tightening screw 2, so as to realize the adjustment of the rotation position of the steering arm 4.
Example three:
the invention provides a road surface cold recycling machine which comprises a power source, a working device and a belt transmission mechanism in the first embodiment or the second embodiment, wherein a driving wheel 7 is arranged and in transmission connection with the power source of the road surface cold recycling machine through a driving shaft, and a driven wheel 9 is arranged and in transmission connection with the working device through a power output shaft. When the driving wheel and the driven wheel are axially deviated, the road surface cold recycling machine provided by the invention can avoid the extension of the length of the driving shaft, realizes the reliable transmission of the driving wheel and the driven wheel through the compensation device, can effectively reduce the load of the driving shaft, prolongs the service life of the driving shaft, can effectively prevent the driving shaft from being bent in the transportation process, and is more beneficial to disassembly, assembly and transportation.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A belt transmission mechanism comprises a driving wheel (7) and a driven wheel (9) which has axial offset with the driving wheel (7), and is characterized by also comprising a compensation device for compensating the axial offset distance between the driving wheel (7) and the driven wheel (9);
the compensation device comprises a transition transmission shaft, a first transition transmission wheel (12) and a second transition transmission wheel (8) which are respectively arranged at two ends of the transition transmission shaft; the axis of the transition transmission shaft is parallel to the axis of the driving wheel (7) and the axis of the driven wheel (9);
the end face of the first transition transmission wheel (12) is flush with the end face of the driving wheel (7), and the first transition transmission wheel (12) is in transmission connection with the driving wheel (7) through a primary belt (6);
the second transition driving wheel (8) is flush with the end face of the driven wheel (9), and the second transition driving wheel (8) is in transmission connection with the driven wheel through a secondary belt (10).
2. The belt drive of claim 1, further comprising a tensioning assembly for adjusting the tension of the primary belt (6) and the secondary belt (10).
3. The belt transmission mechanism as claimed in claim 2, characterized in that the tensioning assembly comprises a fixed seat (1), a steering arm (4) rotatably arranged on the fixed seat (1), and an adjusting mechanism for adjusting the steering of the steering arm (4), the steering arm (4) is rotatably provided with a tensioning arm (5), and the transition transmission shaft is rotatably connected with the tensioning arm (5).
4. A belt drive according to claim 3, characterized in that the adjusting mechanism comprises a tensioning cylinder (3), the driving shaft of the tensioning cylinder (3) is rotatably connected with the steering arm (4), and the cylinder body of the tensioning cylinder (3) is rotatably arranged on the fixed base (1) or the working device (11).
5. A belt drive according to claim 3 or 4, characterized in that the adjusting mechanism further comprises a pretensioning mechanism arranged on the holder (1) or the working device (11) for pretensioning the primary belt (6) and the secondary belt (10).
6. The belt transmission mechanism as claimed in claim 5, characterized in that the pretensioning mechanism comprises a pretensioning screw (2), one end of the pretensioning screw (2) is rotatably arranged on the fixing base (1) or the working device (11), and the steering arm (4) is rotatably provided with a nut sleeve which is in threaded connection with the pretensioning screw (2).
7. A belt drive as claimed in claim 1, wherein the second transition drive wheel (8) and the first transition drive wheel (12) are both detachably connected to the transition drive shaft.
8. A cold recycling machine for road surfaces, comprising a power source, a working device and the belt transmission mechanism of any one of claims 1 to 7;
the driving wheel (7) is in transmission connection with the power source through a driving shaft, and the driven wheel (9) is in transmission connection with the working device through a power output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111534027.5A CN114233825A (en) | 2021-12-15 | 2021-12-15 | Belt transmission mechanism and pavement cold recycling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111534027.5A CN114233825A (en) | 2021-12-15 | 2021-12-15 | Belt transmission mechanism and pavement cold recycling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114233825A true CN114233825A (en) | 2022-03-25 |
Family
ID=80756320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111534027.5A Pending CN114233825A (en) | 2021-12-15 | 2021-12-15 | Belt transmission mechanism and pavement cold recycling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114233825A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2202384A (en) * | 1936-06-04 | 1940-05-28 | Reeves Pulley Co | Variable speed transmission |
| WO2005083299A2 (en) * | 2004-02-27 | 2005-09-09 | Dti Advanced Technologies B.V. | Continuously variable transmission with easily changeable transmission ratio |
| EP2574228A1 (en) * | 2011-09-30 | 2013-04-03 | CLAAS Selbstfahrende Erntemaschinen GmbH | Drive device for a module of a self-propelled harvesting machine comprising a harvesting header and/or an inclined feeder |
| CN203189638U (en) * | 2013-03-27 | 2013-09-11 | 北汽福田汽车股份有限公司 | Transition belt wheel assembly |
| CN103314721A (en) * | 2013-05-24 | 2013-09-25 | 湖州思达机械制造有限公司 | Transmission device for straw shredding device of longitudinal axial flow harvester |
| CN204284333U (en) * | 2014-10-24 | 2015-04-22 | 佛山市佳尼家具科技有限公司 | A kind of machinery belt transmission automatic takeup |
-
2021
- 2021-12-15 CN CN202111534027.5A patent/CN114233825A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2202384A (en) * | 1936-06-04 | 1940-05-28 | Reeves Pulley Co | Variable speed transmission |
| WO2005083299A2 (en) * | 2004-02-27 | 2005-09-09 | Dti Advanced Technologies B.V. | Continuously variable transmission with easily changeable transmission ratio |
| EP2574228A1 (en) * | 2011-09-30 | 2013-04-03 | CLAAS Selbstfahrende Erntemaschinen GmbH | Drive device for a module of a self-propelled harvesting machine comprising a harvesting header and/or an inclined feeder |
| CN203189638U (en) * | 2013-03-27 | 2013-09-11 | 北汽福田汽车股份有限公司 | Transition belt wheel assembly |
| CN103314721A (en) * | 2013-05-24 | 2013-09-25 | 湖州思达机械制造有限公司 | Transmission device for straw shredding device of longitudinal axial flow harvester |
| CN204284333U (en) * | 2014-10-24 | 2015-04-22 | 佛山市佳尼家具科技有限公司 | A kind of machinery belt transmission automatic takeup |
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Application publication date: 20220325 |
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