CN101339051B - Drawbar trailer mileometer - Google Patents
Drawbar trailer mileometer Download PDFInfo
- Publication number
- CN101339051B CN101339051B CN2008100540860A CN200810054086A CN101339051B CN 101339051 B CN101339051 B CN 101339051B CN 2008100540860 A CN2008100540860 A CN 2008100540860A CN 200810054086 A CN200810054086 A CN 200810054086A CN 101339051 B CN101339051 B CN 101339051B
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- worm
- gear
- rotating shaft
- trailer
- mileometer
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Abstract
The invention relates to a trailer odometer, comprising a roller counter and a transmission mechanism connected with the roller counter, which is characterized in that the transmission mechanism rigidly and drivingly connected with the roller counter and an installation positioning mechanism fixed on trailer wheels through a coupling mechanism respectively. The odometer has the beneficial effectsof higher counting accuracy, strong shock absorption performance and stable operation. Tests prove that the odometer can normally work when the trailer provided with the trailer odometer drives in various bad environments. The odometer solves the problem of hard mileage counting of the motorless transmission system and provides quantification basis for the maintenance and repairing of the trailer.
Description
Technical field
The invention belongs to measuring apparatus, relate in particular to a kind of drawbar trailer mileometer that is applicable to that motor vehicle drags.
Background technology
In order to reflect the mileages that vehicle travelled such as engineering machinery, automobile. mileometer all is installed in pilothouse usually.The driving mileage data of vehicle is that the rotation by wheel adds up.The power of engine is to pass to wheel box by bent axle to be delivered to transfer gear or main reducing gear from wheel box again, arrives wheel again; Ratio of gear from the transmission output shaft to the wheel generally is constant.In that being housed on the output shaft of wheel box, in the mileometer of facia board, goes " flexible axle ".Flexible axle leads to speedometer, makes pointer to indicate the travel speed of car.Simultaneously, the flexible axle rotation is also passed on the middle roller counter of speedometer through worm and gear, and the mileage number of the revolution representative of wheel accumulative total is come out.The electronic type speedometer is progressively promoted recently.It passes to electric pulse in the instrument with lead without flexible axle but on the output shaft of wheel box pulse producer is installed, and indicates speed with pulsed frequency, uses the impulse meter accumulative mileage.Described mechanical electromagnetic type mileometer or electronic type speedometer all are to extract signal from power drive systems such as variators.The trailer that the current mobility car drags is not installed mileometer, and its reason is: (1) common vehicle-mounted mileometer generally is installed in bridge operation platform the place ahead, and vehicle environment is good, and whole table body does not bear external force; And the trailer mileometer need be installed in the axletree end face if will install, and vehicle-mounted vibration environment is abominable, but also will bear the following power of axle bearing.Therefore the vibrationproof of trailer mileometer, anti-loosening design is a difficult point.(2) common vehicle-mounted mileometer shows output from the below interface input torque of dial plate by the dial plate top; And the input torque of trailer mileometer and demonstration output are all by providing directly over the dial plate.The two inner transmission direction is opposite, and the vehicle-mounted mileometer that existing market is sold can not satisfy the requirement of trailer mileometer.(3) because the restriction of installing space requires the volume of trailer mileometer only to be about 1/2 of common vehicle-mounted mileometer.(4) the general life-span of common vehicle-mounted mileometer is that 100000km. can not satisfy the trailer mileometer 200000km requirement in serviceable life.(5) common vehicle-mounted mileometer is one 20 ℃ 10 ℃, can not satisfy trailer mileometer serviceability temperature scope and be-41 ℃～+ 100 ℃ requirement.Because above-mentioned technical barrier, trailer can't be installed mileometer, causes the trailer kilometer data of can not totally travelling, and influence is care and maintenance regularly, causes trailer to reduce tenure of use.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, and provide a kind of drawbar trailer mileometer, adopt the mechanical type rigidity to drive, not only can be installed in the axletree end face, it is abominable to adapt to vehicle-mounted vibration environment, and can also bear the following power of axle bearing, satisfy the vibrationproof of trailer mileometer, anti-loosening designing requirement; Can and show output with input torque, guarantee the trailer accumulative total kilometer data of travelling, provide time of care and maintenance, prolong trailer serviceable life to the user all by providing directly over the dial plate.
The present invention for achieving the above object, by the following technical solutions: a kind of drawbar trailer mileometer, comprise roller counter and connected gear train, it is characterized in that: described gear train drives with roller counter and installing and locating mechanism rigidity on being fixed on trailer wheels respectively by connecting shaft mechanism and is connected.
Described gear train comprises the monoblock type support, rotating shaft, the rotating shaft worm screw, the transmission worm gear, double-thread worm, spiral gear, described support is made as incorporate core-locking type structure, described rotating shaft, the rotating shaft worm screw, the transmission worm gear, double-thread worm, spiral gear is installed on respectively in the rack inner wall mounting hole that presets, form the mesh regional of the gear teeth at the place of joining of each mounting hole, described rotating shaft one end termination is provided with the rotating shaft groove, be linked with the rotating shaft worm screw on the other end multidiameter, rotating shaft worm screw and the engagement of transmission worm gear, described transmission worm gear one end be provided with helical worm and with the following worm gear engagement of double-thread worm, the last worm screw of described double-thread worm and spiral gear engagement, described roller counter places the groove of support.
Described gear train adopts three grades of power trains of worm and gear, and the module scope is 0.6～0.9.
Described spiral gear and the coaxial installation of roller counter, the spiral gear end face circumferentially is laid with limited block, a position engagement of limited block and roller counter.
Described connecting shaft mechanism adopts the cross shaft coupling, shaft coupling one side end face is provided with groove, its opposite side end face is provided with the projection vertical with groove, and the projection of shaft coupling is pegged graft with the rotating shaft groove of rotating shaft one end and cooperated, and the groove of shaft coupling is pegged graft with the installing and locating mechanism on being fixed on trailer wheels and cooperated.
Described installing and locating mechanism comprises mounting cover, end cap, installing plate, fixedly connected with installing plate in described mounting cover rear end, the installing plate center is threaded with the axle center hole, its front end is provided with center projection and support pin joint, described end cap places the top of mounting cover, and the inboard center of described end cap is provided with the projection of pegging graft with cross shaft coupling groove.
The drive disk assembly of described gear train and cross shaft coupling adopt copper product to make.
Described support adopts aluminum to make.
Beneficial effect of the present invention: trailer mileometer counting precision is higher. and shock resistance is strong. and running is steadily.Test shows that mileometer can both operate as normal when the trailer that the trailer mileometer is installed travelled under various rugged surroundings.Can solve the mileage measuring problem of unpowered kinematic train, make the M R of trailer that quantitative basis arranged.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 1-the 1st, the D-D view of Fig. 1;
Fig. 1-2 is the B-B view of Fig. 1;
Fig. 1-the 3rd, the C-C view of Fig. 1-2;
Fig. 2 is the front view of trailer mileometer support;
Fig. 3 is the left view of trailer mileometer support;
Fig. 4 is the N-N view among Fig. 3;
Fig. 5 is the vertical view of trailer mileometer support;
Fig. 6 is a K-K view among Fig. 5;
Fig. 7 is the rotating shaft front view of gear train;
Fig. 8 is the rotating shaft left view of gear train;
Fig. 9 is the front view of cross shaft coupling;
Figure 10 is the left view of cross shaft coupling;
Figure 11 is the vertical view of cross shaft coupling;
Figure 12 is a rotating shaft worm structure synoptic diagram;
Figure 13 is the double-thread worm structural representation;
Figure 14 is a transmission worm gear arrangement synoptic diagram;
Figure 15 is the spiral gear structural representation;
Figure 16 is the structural representation of installing and locating mechanism.
Among the figure: 1, support, 2, semicircle groove, 3, the transmission worm wheel aperture, 4, the double-thread worm hole, 5, screw hole, 6, rotating shaft, 61, the rotating shaft multidiameter, 62, the rotating shaft groove, 7, the cross shaft coupling, 71, cross shaft coupling groove, 72, cross shaft coupling projection, 8, the rotating shaft worm screw, 81, the rotating shaft worm hole, 9, double-thread worm, 91, last worm screw, 92, following worm gear, 10, the transmission worm gear, 101, helical worm gear, 102, helical worm, 11, spiral gear, 111, helical teeth, 112, limited block, 12, axletree, 121, the axle center hole, 13, mounting cover 14, end cap, 141 end cap projections, 15,16, screw, 17, installing plate, 18, the center projection, 19, the spiral gear hole, 20, shaft hole, 21, the rotating shaft worm hole, 22, the roller counter.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing and preferred embodiment.
As shown in the figure, a kind of drawbar trailer mileometer comprises roller counter and connected gear train, and described gear train drives with roller counter and installing and locating mechanism rigidity on being fixed on trailer wheels respectively by connecting shaft mechanism and is connected.Described gear train comprises the monoblock type support, rotating shaft, the rotating shaft worm screw, the transmission worm gear, double-thread worm, spiral gear, described support is made as incorporate core-locking type structure, described rotating shaft, the rotating shaft worm screw, the transmission worm gear, double-thread worm, spiral gear is installed on respectively in the rack inner wall mounting hole that presets, form the mesh regional of the gear teeth at the place of joining of each mounting hole, described rotating shaft one end termination is provided with the rotating shaft groove, be linked with the rotating shaft worm screw on the other end multidiameter, rotating shaft worm screw and the engagement of transmission worm gear, described transmission worm gear one end be provided with helical worm and with the following worm gear engagement of double-thread worm, the last worm screw of described double-thread worm and spiral gear engagement, described roller counter places the groove of support.Described gear train adopts three grades of power trains of worm and gear, and the module scope is 0.6～0.9.Described spiral gear and the coaxial installation of roller counter, the spiral gear end face circumferentially is laid with limited block, a position engagement of limited block and roller counter.Described connecting shaft mechanism adopts the cross shaft coupling, shaft coupling one side end face is provided with groove, its opposite side end face is provided with the projection vertical with groove, and the projection of shaft coupling is pegged graft with the rotating shaft groove of rotating shaft one end and cooperated, and the groove of shaft coupling is pegged graft with the installing and locating mechanism on being fixed on trailer wheels and cooperated.Described installing and locating mechanism comprises mounting cover, end cap, installing plate, fixedly connected with installing plate in described mounting cover rear end, the installing plate center is threaded with the axle center hole, its front end is provided with center projection and support pin joint, described end cap places the top of mounting cover, and the inboard center of described end cap is provided with the projection of pegging graft with cross shaft coupling groove.Semi-circular recesses 2 places on the support 1 are equipped with roller counter 22, are used to read Vehicle-Miles of Travel, are processed with double-thread worm hole 4 at internal stent, are used to install double-thread worm 9.As Fig. 3, wherein shaft hole 20 is used to install rotating shaft 6, and rotating shaft worm hole 21 is used to install rotating shaft worm screw 8, and transmission worm wheel aperture 3 is used to install transmission worm gear 10, and rotating shaft worm hole 21 intersects at A with transmission worm wheel aperture 3.Shown in Figure 5, wherein two sunk screw holes 5 are fixed on the wheel 12 by sunk screw is installed, and 4 upper ends, double-thread worm hole and spiral gear hole 19 intersect at C.Shown in Figure 6, wherein 4 lower ends, double-thread worm hole and transmission worm wheel aperture 3 intersect at B.
Principle of work: mileometer mounting cover 13 is by being bolted to the center of vehicle wheel wheel hub, and its upper end surface is equipped with end cap 14. and is fixed on the mileometer mounting cover 13 by bolt of cover 16.End cap 14 and mounting cover 13 are all consistent with vehicle wheel rotational speed and revolution.End cap projection 141 on the end cap 14 matches with shaft coupling groove 71 on the cross shaft coupling 7, and shaft coupling projection 72 matches with rotating shaft groove 62 in the rotating shaft 6 simultaneously.Because cross shaft coupling 7 is a rigidity, so rotating shaft 6 will be rotated together along with end cap 14.Multidiameter 61 in the rotating shaft 6 matches with rotating shaft worm hole 81 in addition, and 8 of rotating shaft worm screws are the spatial vertical engagement with helical worm gear 101 on the transmission worm gear 10, and meshing point A is by shown in Figure 3.102 of helical worms are the spatial vertical engagement with following worm gear 92 on the double-thread worm 9, and meshing point B as shown in Figure 6.91 of last worm screws on the double-thread worm 9 are meshed with helical teeth 111 on the spiral gear 11, and meshing point C as shown in Figure 6.Spiral gear and roller counter are assemblied on the same axis, are meshed with a position of roller counter by the limited block on the spiral gear 11 112 simultaneously, thereby drive the mileage that counter adds up vehicle ', and limited block is circumferential uniform state.The support that mileometer designs for gear train is equivalent to the skeleton of drive shaft system, can alleviate the impact of axletree vibration to axle system, has protected the gear train of mileometer, the serviceable life of improving mileometer.The core-locking type structure that support 1 is integrated promptly directly in the internal punches of support, is assembled each parts of gear train respectively and wherein to be poured into a certain amount of railway grease simultaneously, makes it have good and stable transmission environment.Because the installation site of trailer mileometer restriction and to the specific (special) requirements in life-span uses traditional flexible axle type of drive unworkable, has then adopted the cross shaft coupling to come the rotating shaft of rigidity driving mileometer.It has not only improved serviceable life, also can satisfy the standard-required of 200,000 km even mileometer is worked under rugged environment, but also can make mileometer realize self-centering effect, can guarantee that end cap and watch core can adjust automatically.Processed end cap projection 141 on the end cap and driven rotating shaft 6 rotations by cooperating with cross shaft coupling 7, and then driven whole gear train work, the purpose that provides directly over the dial plate all is provided for the output torque, the demonstration output that reach the trailer mileometer.Installing plate 17 1 ends are embedded in the C type center pit 121 of axletree 12 end faces, and tightly roll into a ball on axletree 12 with sunk screw 15,18 of the center projections of the other end design for car controlling mileometer support 1 is installed, it is loosening to prevent that mileometer from occurring in the high vibration environment, thereby guarantees its serviceable life.Reading of data has been assembled end cap 14 especially on mounting cover 13 tops for convenience, when needs read the roller counter data, only need unclamp bolt of cover 16, takes off end cap simultaneously, gets final product.Installation, easy to adjust, and the infringement of having avoided extraneous factor that mileometer is caused effectively.The spirality gear teeth on each parts of gear train have adopted the method that directly forms in the copper rod surface working, the contact area of profile of tooth when having increased transmission, guaranteed transmission accuracy, reduced train central moment, save installing space, strengthen the fatigue strength of each parts of gear train, improve the vibration resistance of drive shaft system, make system's running steadily.The mileometer support adopts aluminum material, can effectively reduce its quality, thereby reduce the shearing to fastening bolt, and the drive disk assembly of gear train and cross shaft coupling adopt copper product to make.Can improve the shock resistance of mileometer, strengthen the resistance to abrasion of power train, further satisfy the operating temperature range of mileometer.The rotation of wheel rotating band dynamic bearing end cap, stir Oldham's coupling by bearing (ball) cover, the rotating shaft worm screw is along with rotation, the engagement of rotating shaft worm and wheel drives double-thread worm rotation in the double-thread worm hole, worm gear rotates under the rotation traction traction of double-thread worm, last worm screw drives the spiral gear rotation, and character wheel and spiral gear interlock are installed, and peace is according to design ratio of gear character wheel rotation counting.
The above only is preferred embodiment of the present invention, is not structure of the present invention is done any pro forma restriction.Every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1. a drawbar trailer mileometer comprises roller counter and connected gear train, it is characterized in that: described gear train drives with roller counter and installing and locating mechanism rigidity on being fixed on trailer wheels respectively by connecting shaft mechanism and is connected.
2. drawbar trailer mileometer according to claim 1, it is characterized in that: described gear train comprises the monoblock type support, rotating shaft, the rotating shaft worm screw, the transmission worm gear, double-thread worm, spiral gear, described support is made as incorporate core-locking type structure, described rotating shaft, the rotating shaft worm screw, the transmission worm gear, double-thread worm, spiral gear is installed on respectively in the rack inner wall mounting hole that presets, form the mesh regional of the gear teeth at the place of joining of each mounting hole, described rotating shaft one end termination is provided with the rotating shaft groove, be linked with the rotating shaft worm screw on the other end multidiameter, rotating shaft worm screw and the engagement of transmission worm gear, described transmission worm gear one end be provided with helical worm and with the following worm gear engagement of double-thread worm, the last worm screw of described double-thread worm and spiral gear engagement, described roller counter places the groove of support.
3. drawbar trailer mileometer according to claim 1 and 2 is characterized in that: described gear train adopts three grades of power trains of worm and gear, and the module scope is 0.6～0.9.
4. drawbar trailer mileometer according to claim 2 is characterized in that: described spiral gear and the coaxial installation of roller counter, the spiral gear end face circumferentially is laid with limited block, a position engagement of limited block and roller counter.
5. drawbar trailer mileometer according to claim 1, it is characterized in that: described connecting shaft mechanism adopts the cross shaft coupling, shaft coupling one side end face is provided with groove, its opposite side end face is provided with the projection vertical with groove, the projection of shaft coupling is pegged graft with the rotating shaft groove of rotating shaft one end and is cooperated, and the groove of shaft coupling is pegged graft with the installing and locating mechanism on being fixed on trailer wheels and cooperated.
6. drawbar trailer mileometer according to claim 1 or 5, it is characterized in that: described installing and locating mechanism comprises mounting cover, end cap, installing plate, fixedly connected with installing plate in described mounting cover rear end, the installing plate center is threaded with the axle center hole, its front end is provided with center projection and support pin joint, described end cap places the top of mounting cover, and the inboard center of described end cap is provided with the projection of pegging graft with cross shaft coupling groove.
7. drawbar trailer mileometer according to claim 1 or 5, it is characterized in that: the drive disk assembly of described gear train and connecting shaft mechanism adopt copper product to make.
8. drawbar trailer mileometer according to claim 2 is characterized in that: described support adopts aluminum to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100540860A CN101339051B (en) | 2008-08-08 | 2008-08-08 | Drawbar trailer mileometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100540860A CN101339051B (en) | 2008-08-08 | 2008-08-08 | Drawbar trailer mileometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101339051A CN101339051A (en) | 2009-01-07 |
| CN101339051B true CN101339051B (en) | 2011-04-06 |
Family
ID=40213179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100540860A Expired - Fee Related CN101339051B (en) | 2008-08-08 | 2008-08-08 | Drawbar trailer mileometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101339051B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959118B (en) * | 2017-05-11 | 2023-07-21 | 上海泰侃汽车配件有限公司 | Odometer for measuring the distance travelled by a vehicle on a vehicle axle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4430561A (en) * | 1981-12-28 | 1984-02-07 | Standard Car Truck Company | Hubodometer |
| US6646432B1 (en) * | 1998-11-04 | 2003-11-11 | Meritor Heavy Vehicle Systems, Llc | Electronic odometer integrated into vehicle axle and wheel hub |
| CN2884147Y (en) * | 2006-01-24 | 2007-03-28 | 昝宏志 | Structure for mounting vehicle hodometer counter |
| CN201266094Y (en) * | 2008-08-08 | 2009-07-01 | 中国人民解放军总后勤部军事交通运输研究所 | Odometer for trailer |
-
2008
- 2008-08-08 CN CN2008100540860A patent/CN101339051B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4430561A (en) * | 1981-12-28 | 1984-02-07 | Standard Car Truck Company | Hubodometer |
| US6646432B1 (en) * | 1998-11-04 | 2003-11-11 | Meritor Heavy Vehicle Systems, Llc | Electronic odometer integrated into vehicle axle and wheel hub |
| CN2884147Y (en) * | 2006-01-24 | 2007-03-28 | 昝宏志 | Structure for mounting vehicle hodometer counter |
| CN201266094Y (en) * | 2008-08-08 | 2009-07-01 | 中国人民解放军总后勤部军事交通运输研究所 | Odometer for trailer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101339051A (en) | 2009-01-07 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110406 Termination date: 20170808 |