CN203995683U - A kind of wheel crane and power drive system thereof, coupler - Google Patents
A kind of wheel crane and power drive system thereof, coupler Download PDFInfo
- Publication number
- CN203995683U CN203995683U CN201420392002.5U CN201420392002U CN203995683U CN 203995683 U CN203995683 U CN 203995683U CN 201420392002 U CN201420392002 U CN 201420392002U CN 203995683 U CN203995683 U CN 203995683U
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- Prior art keywords
- flange
- coupler
- transmission
- rubber element
- elastic body
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 229920001971 elastomer Polymers 0.000 claims abstract description 41
- 229920002379 silicone rubber Polymers 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Motor Power Transmission Devices (AREA)
Abstract
The utility model discloses a kind of wheel crane and power drive system thereof, coupler, this coupler comprises the first flange, the second flange and rubber element, the first flange is for being connected with main driving axle, the second flange is used for and is connected from transmission shaft, and both connect by rubber element elasticity, also comprise emergent Transmission, emergent Transmission is flexibly connected with the first flange, is connected with the second flange; The elastic body of rubber element is effective, and the second flange rotates with the first flange by rubber element; After the elastic body of rubber element lost efficacy, the second flange rotates with the first flange by emergent Transmission.Compared with prior art, the coupler of this programme is set up after emergent Transmission, when vehicle in working order under, if during the elastic body sudden failure of rubber element, engine power also can continue to transmit, to guarantee more to renew the normal operation of vehicle before coupler, thereby improve the safety of vehicle operating, reduced the risk of many secondary disasters that vehicle causes because of emergency braking.
Description
Technical field
The utility model relates to engine power drive technology field, particularly a kind of wheel crane and power drive system thereof, coupler.
Background technology
The accommodation unit that power drive system transmits as engine power, plays the effects such as transmitting torque, variable-speed torque-converting.Comparatively common in construction machinery and equipment two kinds of power drive systems and principle of work thereof are now described by reference to the accompanying drawings.
As shown in Figure 1, driving engine 1 in the first power drive system ' power through coupler 7 ' by the first transmission shaft 2 ', second driving shaft 3 ' drive to change speed gear box 4 ', finally by the 3rd transmission shaft 5 ' be passed to wheel 6 ' to drive vehicle to run.Or as shown in Figure 2, driving engine 1 in another one power drive system ' power through coupler 7 ' by the 4th transmission shaft 8 ' be passed to Hydraulic Pump 9 ', to drive Hydraulic Pump 9 ' rotation, thereby provide power for the power element of hydraulic efficiency pressure system.Driving engine 1 in the power drive system of above-mentioned two kinds of structures ' with transmission shaft, transmission shaft and Hydraulic Pump 9 ' is all by coupler 7 ' be connected.
Coupler 7 ' conduct connects imput shaft and driven shaft, makes both common rotations carry out the mechanical component of driving torque, plays the effect of forming a connecting link in power transmission process.Vehicle under different operating modes, coupler 7 ' all participate in transmission of power work, obviously, coupler 7 ' functional reliability driving engine 1 ' transmission of power is had to vital effect.
A kind of typical structure of coupler is now described in conjunction with Fig. 3.Coupler 7 ' comprise the first flange 71 ', the second flange 72 ' and rubber element 73 ', wherein, rubber element 73 ' the first steel plate 731 ' with the first flange 71 ' be connected by bolt assembly, and the first flange 71 ' with driving engine 1 ' power take-off shaft, rubber element 73 ' the second steel plate 732 ' with the second flange 72 ', the second flange 72 ' be all fixedly connected with by lock bolt with driven shaft.It should be noted that, rubber element 73 ' be ripe prior art, those skilled in the art can be purchased by market according to practical set technique.
Driving engine 1 ' power via the first flange 71 ' drive to the first steel plate 731 ', then via elastic body 733 ' drive to the second steel plate 732 ', finally by the second flange 72 ' drive to from transmission shaft.Be appreciated that rubber element 73 ' elastic body 733 ' not only there is shock absorbing effect, the most important thing is to have transferring power function.
Yet, vehicle is when normally travelling, the operating temperature of coupler 7 ' around can reach 80 ℃ of left and right, and the elastomeric permission operating temperature aviation value of being made by natural rubber is 70 ℃, obviously, the long-term very easily aging ability of following the string of elastic body in high-temperature work environment, even fracture failure, and elastomeric inefficacy will cause power drive system transmission of power to interrupt, finally cause vehicle normally to work.Especially hoisting crane etc. is there is the vehicle of lift heavy function, have huge potential safety hazard.
In view of this, those skilled in the art urgently carry out structure optimization to existing coupler, to form emergency protection mechanism after rubber element lost efficacy, thereby guarantee the safety and reliability of the vehicle operations such as hoisting crane.
Utility model content
For above-mentioned defect, core object of the present utility model is, a kind of coupler is provided, and forms emergency protection measure, to guarantee the safety and reliability of vehicle operation with convenient rubber element after losing efficacy.On this basis, the utility model also provides a kind of power drive system that comprises this coupler, and the wheel crane that comprises this power drive system.
To achieve these goals, a kind of coupler provided by the utility model, comprise the first flange, the second flange and rubber element, described the first flange is for being connected with main driving axle, described the second flange is used for and is connected from transmission shaft, and both connect by rubber element elasticity, also comprise emergent Transmission, described emergent Transmission is flexibly connected with described the first flange, is connected with described the second flange;
The elastic body of described rubber element is effective, and described the second flange rotates with described the first flange by described rubber element; After described elastic body lost efficacy, described the second flange rotates with described the first flange by described emergent Transmission.
Compared with prior art; the coupler of this programme is by setting up after emergent Transmission; under vehicle normal operating condition; if during the elastic body sudden failure of rubber element; engine power also can continue to transmit formation emergency protection mechanism; to guarantee more to renew the coupler normal operation of vehicle before, thereby improve the safety of vehicle operating, reduced vehicle and because power ruptures suddenly, caused the risk of many secondary disasters.
Preferably, described emergent Transmission and described the first flange are flexibly connected by some groups of suitable limited impressions and positive stop lug boss, and in described limited impression and described positive stop lug boss, one is located at described emergent Transmission, and another one is located at described the first flange;
The elastic body of described rubber element is effective, and described limited impression and described positive stop lug boss circular gap coordinate; The elastic body of described rubber element lost efficacy, and described limited impression and described positive stop lug boss circumferentially offset.
Preferably, the first elastic element, described the first elastic element is arranged between described the first flange and the radial fit face of described the second flange.
Preferably, also comprise the second elastic element, described the second elastic element is arranged between described emergent Transmission and the axial fitting surface of described the first flange.
Preferably, the elastic body of described rubber element is specially silaatic.
Except above-mentioned coupler, the utility model also provides a kind of power drive system, comprises transmission shaft and coupler, and described coupler is for clutch end and the described transmission shaft of connecting engine, and described coupler is specially the coupler of the above.
Be appreciated that because above-mentioned coupler has above-mentioned technique effect, therefore, comprise that the power drive system of this coupler has above-mentioned technique effect equally, so do not repeat them here.
The utility model also provides a kind of wheel crane, comprises driving engine, the Power Train power element of unifying, power drive system for by the transmission of power of driving engine to power element, described power drive system is specially the power drive system of the above.
Be appreciated that because above-mentioned coupler has above-mentioned technique effect, therefore, comprise that the power drive system of this coupler has above-mentioned technique effect equally, so do not repeat them here.
Accompanying drawing explanation
Fig. 1 shows a kind of typical structure schematic diagram of existing power drive system;
Fig. 2 shows the another kind of typical structure schematic diagram of existing power drive system;
Fig. 3 shows the sectional structure schematic diagram of coupler in Fig. 1 or Fig. 2;
Fig. 4 shows the sectional structure schematic diagram of a kind of specific embodiment of coupler that the utility model provides;
Fig. 5 shows the perspective exploded view of coupler shown in Fig. 4;
Fig. 6 shows Fig. 4 be hit by a bullet gonosome the first flange and emergent Transmission assembly schematic diagram when effective;
Fig. 7 shows Fig. 4 be hit by a bullet gonosome the first flange and emergent Transmission assembly schematic diagram while losing efficacy;
Fig. 8 shows the structural representation of the first flange shown in Fig. 5;
Fig. 9 shows the structural representation of emergent Transmission shown in Fig. 5.
Corresponding relation in Fig. 1 to Fig. 3 between Reference numeral and all parts title:
1 ' driving engine, 2 ' the first transmission shafts, 3 ' second driving shaft, 4 ' change speed gear box, 5 ' three transmission shaft, 6 ' wheel, 7 ' coupler, 71 ' the first flanges, 72 ' the second flanges, 73 ' rubber element, 731 ' the first steel plates, 732 ' the second steel plates, 733 ' elastic body, 74 ' bolt assembly, 8 ' four transmission shaft, 9 ' Hydraulic Pump;
Corresponding relation in Fig. 4 to Fig. 9 between Reference numeral and all parts title:
1 first flange, 11 limited impressions, 2 second flanges, 3 rubber elements, 31 first steel plates, 32 second steel plates, 33 elastic bodys, 4 emergent Transmissions, 41 positive stop lug boss, 5 first elastic elements, 6 second elastic elements, 7 bolt assemblies.
The specific embodiment
Core of the present utility model is, a kind of coupler is provided, and forms emergency protection mechanism, to guarantee the safety and reliability of vehicle operation with convenient rubber element after losing efficacy.On this basis, the utility model also provides a kind of power drive system of this coupler and wheel crane that comprises this power drive system of comprising.
Power drive system described in present embodiment and comprise that basic comprising and the principle of work thereof of wheel crane of this power drive system is identical with prior art, those skilled in the art can realize completely based on prior art, therefore repeat no more herein.For describing the inventive point place of this programme in detail: coupler, please also refer to Fig. 4 and Fig. 5, wherein, Fig. 4 shows the sectional structure schematic diagram of a kind of specific embodiment of coupler that the utility model provides, and Fig. 5 shows the perspective exploded view of coupler shown in Fig. 4.
As shown in Figure 4, the coupler of this programme comprises the first flange 1, the second flange 2, rubber element 3 and emergent Transmission 4.Wherein, the first flange 1 for main driving axle be fixedly connected with, the second flange 2 is for being fixedly connected with from transmission shaft, rubber element 3 comprises that the first steel plate 31, the second steel plate 32 and elastic body 33, the first steel plates 31 are connected by elastic body 33 elasticity with the second steel plate 32.For the ease of understanding better the concrete structure of coupler, please also refer to Fig. 5.
The correspondence position of the first steel plate 31, the first flange 1 and the main driving axle of rubber element 3 offers along circumferential uniform a plurality of bolt mounting holes, three can be fixedly connected sequentially by bolt assembly, similarly, the correspondence position of the second flange 2 and the second steel plate 32 offers along circumferential uniform a plurality of bolt mounting holes, and both are fixedly connected with by bolt assembly 7.
Emergent Transmission 4 is flexibly connected with the first flange 1, it is fixedly connected with by bolt assembly 7 with the second flange 2, particularly, the first flange 1 and emergent Transmission 4 are flexibly connected by four groups of suitable limited impressions 11 and positive stop lug boss 41, wherein, four limited impressions 11 are opened in the first flange 1 also along being circumferentially distributed in its internal perisporium, correspondingly, emergent Transmission 4 is disk-like structure, and four positive stop lug boss 41 are arranged at emergent Transmission 4 also along being circumferentially distributed in its periphery wall.For the ease of understanding emergent Transmission 4 and the first flange 1 assembly relation, please also refer to Fig. 8 and Fig. 9, wherein, Fig. 8 shows the structural representation of the first flange 1 shown in Fig. 5, and Fig. 9 shows the structural representation of emergent Transmission 4 shown in Fig. 5.
When the elastic body 33 of rubber element 3 is effectively time, as shown in Figure 6, the figure shows Fig. 4 be hit by a bullet gonosome 33 the first flange 1 and emergent Transmission 4 assembly schematic diagrams effectively time, positive stop lug boss 41 and limited impression 11 coordinate at circular gap, the first flange 1 drives the second flange 2 to rotate by rubber element 3 under main driving axle effect, and the second flange 2 drives emergent Transmission 4 to rotate with the first flange 1; After the elastic body 33 of rubber element 3 lost efficacy, as shown in Figure 7, the figure shows Fig. 4 be hit by a bullet gonosome 33 the first flange 1 and emergent Transmission 4 assembly schematic diagrams while losing efficacy, the first flange 1 turns an angle with respect to Transmission under the effect of main driving axle, to positive stop lug boss 41 and limited impression 11, in the cooperation that circumferentially offsets, the first flange 1 drives the first flanges 1 to rotate by emergent Transmission 4.
Compared with prior art, this programme is by setting up emergent Transmission 4, vehicle is under normal operating condition, if during elastic body 33 sudden failure of rubber element 3, engine power also can continue to transmit by emergent Transmission 4, to guarantee more to renew the coupler normal operation of vehicle before, thereby improve the safety of vehicle operating, reduced the risk that causes many secondary disasters because of coupler sudden failure.
It should be noted that, realize the first flange 1 and emergent Transmission 4 is flexibly connected meeting, to realize on the basis requiring by emergent Transmission 4 continuation transferring power functions, processing and assembly technology after elastic body 33 inefficacies of rubber element 3, this limited impression 11 and positive stop lug boss 41 also can oppositely arrange, be that limited impression 11 is opened in emergent Transmission 4, and positive stop lug boss 41 is arranged at the first flange 1.In addition, meeting on the basis of transferring power function, processing and assembly technology, the quantity of limited impression 11 and positive stop lug boss 41 also can be differ from this programme in other numerical value.
In addition, this coupler also comprises the first elastic element 5 and the second elastic element 6, wherein, the first elastic element 5 is between the first flange 1 and the radial fit face of the second flange 2, the second elastic element 6 is between the first flange 1 and the axial fitting surface of emergent Transmission 4, so, the first elastic element 5 can bear and cushion the radial effect power from transmission shaft, thereby reduces the radial deformation of Rubber Parts; And the second elastic element 6 can bear and cushion the axial force from transmission shaft, thereby reduce the axial deformation of rubber element 3, thereby extend the service life of rubber element 3.
Finally, it is emphasized that the elastic body 33 of rubber element 3 in this programme is specially silaatic, allow maximum operating temperature can reach 150 ℃, 100 ℃ of long-term work temperature, have extended service life of high-temperature work environment lower coupler.
The foregoing is only preferred implementation of the present utility model, do not form the restriction to the utility model protection domain.Any any modification of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present utility model.
Claims (7)
1. coupler, comprise the first flange (1), the second flange (2) and rubber element (3), described the first flange (1) is for being connected with main driving axle, described the second flange (2) for from transmission shaft, be connected, and both connect by rubber element (3) elasticity, it is characterized in that, also comprise emergent Transmission (4), described emergent Transmission (4) is flexibly connected with described the first flange (1), is connected with described the second flange (2);
The elastic body (33) of described rubber element (3) is effective, and described the second flange (2) rotates with described the first flange (1) by described rubber element (3); After the elastic body (33) of described rubber element (3) lost efficacy, described the second flange (2) rotates with described the first flange (1) by described emergent Transmission (4).
2. coupler as claimed in claim 1, it is characterized in that, described emergent Transmission (4) and described the first flange (1) are flexibly connected by some groups of suitable limited impressions (11) and positive stop lug boss (41), in described limited impression (11) and described positive stop lug boss (41), one is located at described emergent Transmission (4), and another one is located at described the first flange (1);
Described elastic body (33) is effective, and described limited impression (11) and described positive stop lug boss (41) circular gap coordinate; Described elastic body (33) lost efficacy, the cooperation that circumferentially offsets of described limited impression (11) and described positive stop lug boss (41).
3. coupler as claimed in claim 1 or 2, is characterized in that, also comprises the first elastic element (5), and described the first elastic element (5) is arranged between described the first flange (1) and the radial fit face of described the second flange (2).
4. coupler as claimed in claim 1 or 2, is characterized in that, also comprises the second elastic element (6), and described the second elastic element (6) is arranged between described emergent Transmission (4) and the axial fitting surface of described the first flange (1).
5. coupler as claimed any one in claims 1 to 3, is characterized in that, described elastic body (33) is specially silicone elastomer.
6. power drive system, comprises coupler, and described coupler is used for clutch end and the described transmission shaft of connecting engine, it is characterized in that, described coupler is specially the coupler described in any one in claim 1 to 5.
7. wheel crane, comprises driving engine, the Power Train power element of unifying, power drive system for by the transmission of power of driving engine to power element, it is characterized in that, described power drive system is specially power drive system claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420392002.5U CN203995683U (en) | 2014-07-15 | 2014-07-15 | A kind of wheel crane and power drive system thereof, coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420392002.5U CN203995683U (en) | 2014-07-15 | 2014-07-15 | A kind of wheel crane and power drive system thereof, coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203995683U true CN203995683U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420392002.5U Expired - Fee Related CN203995683U (en) | 2014-07-15 | 2014-07-15 | A kind of wheel crane and power drive system thereof, coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203995683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816557A (en) * | 2019-11-12 | 2020-02-21 | 太原中车时代轨道工程机械有限公司 | Emergency fixing device for universal shaft for rail car |
| CN113618235A (en) * | 2020-05-09 | 2021-11-09 | 宝山钢铁股份有限公司 | Connecting shaft device for adjusting focal lift of laser welding machine |
-
2014
- 2014-07-15 CN CN201420392002.5U patent/CN203995683U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816557A (en) * | 2019-11-12 | 2020-02-21 | 太原中车时代轨道工程机械有限公司 | Emergency fixing device for universal shaft for rail car |
| CN113618235A (en) * | 2020-05-09 | 2021-11-09 | 宝山钢铁股份有限公司 | Connecting shaft device for adjusting focal lift of laser welding machine |
| CN113618235B (en) * | 2020-05-09 | 2023-01-20 | 宝山钢铁股份有限公司 | Connecting shaft device for adjusting focal lift of laser welding machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |