CN203570082U - Heat and noise reducing and speed increasing system of electronically-controlled electric vehicle door - Google Patents
Heat and noise reducing and speed increasing system of electronically-controlled electric vehicle door Download PDFInfo
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- CN203570082U CN203570082U CN201320324338.3U CN201320324338U CN203570082U CN 203570082 U CN203570082 U CN 203570082U CN 201320324338 U CN201320324338 U CN 201320324338U CN 203570082 U CN203570082 U CN 203570082U
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Abstract
The utility model provides a heat and noise reducing and speed increasing system of an electronically-controlled electric vehicle door. The system comprises a vehicle door system (1) and a door head mechanism (7), wherein the vehicle door system (1) comprises left and right door leaves (1-1) and a shifting fork (1-2). The system is characterized in that a door control unit (6) gives an instruction, and then a motor drives screw rods to rotate and nuts drive the shifting fork and the door leaves to carry out linear motion along the axis direction of the screws, thereby achieving the opening and closing of the vehicle door. According to the system, a locking device and a transmission device are combined into a whole; the minor-diameter part achieves the quick opening and closing of the vehicle door and the closing speed is improved to 1.5-4.5s; spherical guide wheels and guide rails form point contact so that when the guide wheels roll, the frictional resistance is low, the frictional heat is still maintained at the original level, and noise is not increased; screw-nut helical pairs achieve self-lubrication and do not need oil injection; and the operating state is ensured while the maintenance cost is reduced. Thus, a more advanced, reasonable, safe, and quick vehicle door system is formed.
Description
Technical field
The utility model relates to transmission, guiding and the mechanical locking device of rail traffic vehicles electricity powered car door, particularly just about the diameter progressive screw nut transmission mechanism of low friction reduction of heat, contacts guiding mechanism and the two-in-one new-type mechanical locking device of transmission locking with point.
Background technology
Rail vehicle electricity powered door is widely used in railway, city railway train.Mainly by door leaf, driving mechanism, transmission device, guiding device, locking device, door control unit (DCU) and Men Tou mechanism, formed.Driving mechanism is power source, and its drive transmission the rotation motion motion that is in line, and is delivered to door leaf and realizes the switch of door leaf.Guiding device limits the running orbit of door leaf.Locking device, after closing of the door, guarantee that car door cannot be opened in the situation that motor stops and nut is not applied to torsional interaction, guarantees traffic safety.Door control unit (DCU), the open and close situation of opposite house is implemented monitoring automatically and is controlled.Bogey, is carrying the total weight that driving, transmission, door leaf etc. install, and is affixed on car body.Screw-and-nut mechanism, guiding mechanism, mechanical locking device, be three piths of electricity powered car door composition, and existing electricity powered car door, for guaranteeing that closing of the door is firm, arranges separately a set of mechanical locking mechanism; In order to ensure closed safe, steady, low noise, normally (closing) speed of opening is controlled at 3-6s/ time, speed is lower than the speed of pneumatic door (1.5-4.5s/ time), there are to remarkable impact the upper and lower speed of passenger, dwell time, especially the subway train that start and stop are frequent, the volume of the flow of passengers is larger, slow, the independent sinuous defect of locking of its electricity powered car door ubiquity closing velocity.
Summary of the invention
In order to overcome slow, the independent sinuous defect of locking of existing electricity powered closing of the door speed, the purpose of this utility model is to provide a kind of electricity powered car door reduction of heat noise reduction acceleration system, be that to adopt pitch (helical pitch) increasing, the transmission mechanism of reducing combined screw pair, directive wheel be spherical guiding mechanism and reducing combined mechanical locking device, form more advanced, reasonable, safe a, door device fast.
The technical solution of the utility model is achieved in the following ways: electricity powered car door reduction of heat noise reduction acceleration system, comprises door device and Men Tou mechanism; Door device is comprised of two of left and right door leaf and shift fork; Men Tou mechanism is located at the top of door leaf, and driving mechanism, transmission device, guiding mechanism, locking device and door control unit are housed in Men Tou mechanism; Driving mechanism is comprised of motor and shaft coupling; Transmission device is comprised of combined threaded rod, nut and three supporting bases, it is characterized in that: described door control unit sends instruction, and the rotation of motor drive screw, nut drives shift fork, door leaf to do rectilinear motion along screw axis direction, realizes the switch of car door.
Described transmission device is reducing combined threaded rod nut, comprise reducing combined threaded rod and reducing combination nut, reducing combined threaded rod is supported in Men Tou mechanism by left and right supporting base and middle supporting base, reducing combination nut and reducing combined threaded rod pair, respectively there are two parts of large and small diameter: the closing leading portion, open back segment of large helical pitch small diameter portion screw pair control door device, the diameter of thread of reducing combination nut is Φ 16mm, screws with reducing combined threaded rod, in low friction, realizes fast moving; The little lift angle part of major diameter: door device close latter end, open leading portion, the diameter of thread of reducing combination nut is Φ 104mm, screws with reducing combined threaded rod.
It is Φ 16mm and Φ 104mm bis-parts that described reducing combined threaded rod is divided into the diameter of thread, its major diameter part Φ 104mm, lead angle λ=5.81 °, equivalent friction angle arc tan fv=5.91 °.
Described guiding mechanism is comprised of guide rail and directive wheel, in the top of door leaf, Men Tou mechanism, is provided with guide rail, and directive wheel is spherical structure, directive wheel forms point with the U-shaped groove inwall of guide rail and contacts, and frictional resistance is little, reduces frictional heat, generation noise is little, is convenient to improve the speed of service.
The top of described door leaf is provided with guide rail, and directive wheel rolls in the U-shaped groove of guide rail, and the upper lateral part of door leaf is connected with shift fork, and shift fork is link rod structure, by being arranged on an in-house loaded axle, is connected with reducing combination nut.
The two unification of described locking device and transmission device: reducing combination nut is comprised of path nut and large footpath nut, path nut and reducing combined threaded rod path part screw that to realize car door rapidly opened and closed, and large footpath nut and reducing combined threaded rod large diameter portion screw and meet mechanical self-latching condition.
Described path nut adopts the model engineering plastic of friction factor f=0.11 to make; Large footpath nut adopts the model engineering plastic of friction factor f=0.45 to make.
The utility model, the two unification of locking device and transmission device, path part realizes car door high-speed switch, and switching speed is brought up to 1.5-4.5s, and noise still reaches standard-required (28dBA).This partial frictional angle is little, helical pitch is large.Because nut adopts high-intensity nonmetallic wear-resistant material---model engineering plastic is made, bolt and nut this to screw pair, even if relative velocity in service increases, ball-type directive wheel forms point with guide rail and contacts, when directive wheel rolls, little, the frictional heat of frictional resistance still keeps previous level, can not increase noise.Bolt and nut screw pair realizes self-lubricating, without oiling, guarantees running status, reduces maintenance cost, forms more advanced, reasonable, safe a, door device fast.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of door device.
Fig. 4 is the structural representation of transmission device.
Fig. 5 is the locking device structural representation of embodiment 1.
Fig. 6 is the locking device structural representation of embodiment 2.
In figure: 1 door device, 2 driving mechanisms, 3 transmission devices, 4 guiding mechanisms, 5 locking devices, 6 door control units, 7 Men Tou mechanisms, 8 loaded axles.
The specific embodiment
By Fig. 1, Fig. 2, known, a kind of electricity powered car door reduction of heat noise reduction acceleration system, comprise door device 1 and Men Tou mechanism 7, door device 1 is comprised of two of left and right door leaf 1-1 and shift fork 1-2, Men Tou mechanism 7 is located at the top of door leaf 1-1, and driving mechanism 2, transmission device 3, guiding mechanism 4, locking device 5 and door control unit (DCU) 6 are housed in Men Tou mechanism 7.Driving mechanism 2 is comprised of motor and shaft coupling; Transmission device 3 is comprised of combined threaded rod, nut and three supporting bases; Described door control unit (DCU) 6 sends instruction, the rotation of motor drive screw, and nut drives shift fork 1-2, door leaf 1-1 to do rectilinear motion along screw axis direction, realizes the switch of car door.
Fig. 3 is the structural representation of door device.Door device 1 is comprised of two of left and right door leaf 1-1 and shift fork 1-2; Guiding mechanism 4 is located at door leaf top, directive wheel 4-1 and guide rail 4-2, consists of, and guide rail 4-2 is U-shaped groove structure, and directive wheel 4-1 is connected with door leaf 1-1, and directive wheel can roll along the U-shaped groove inwall of guide rail; The upper lateral part of door leaf 1-1 is connected with shift fork 1-2, and shift fork 1-2 is link rod structure, by the loaded axle 8 being arranged in Men Tou mechanism 7, is connected with reducing combination nut 3-1.Directive wheel 4-1 is spherical structure, and directive wheel 4-1 forms point with the U-shaped groove inwall of guide rail 4-2 and contacts, and frictional resistance is little, reduces frictional heat, produces noise little, is convenient to improve the speed of service.
Fig. 4 is the structural representation of transmission device.Transmission device 3 is reducing combined threaded rod nut screw pairs, comprise reducing combination nut 3-1 and reducing combined threaded rod 3-2, reducing combined threaded rod 3-2 is supported in Men Tou mechanism 7 by left and right supporting base 3-3 and middle supporting base 3-4, reducing combination nut 3-1 and reducing combined threaded rod 3-2, be divided into right (dextrorotation) two sections in a left side (left-handed) take middle supporting as boundary; Two ends are large helical pitch minor diameter screw pair, implement door device 1 close leading portion, open back segment, reducing combination nut 3-1 and reducing combined threaded rod 3-2 screw, screw diameter is Φ 16mm, in low friction, realizes fast moving; At middle part near middle supporting base 3-4, left and right is respectively provided with the little lift angle screw pair of major diameter that a segment length is less, and screw diameter is Φ 104mm, large footpath little lift angle part reducing combination nut 3-1,3-2 screws with reducing combined threaded rod, implement door device 1 close latter end, open leading portion.Described reducing combination nut 3-1 adopts model engineering plastic to make.Left and right two parts of reducing combined threaded rod 3-2, are provided with the diameter of thread and are bis-sections of Φ 16mm and Φ 104mm respectively, its large footpath section Φ 104, lead angle λ=5.81 °, equivalent friction angle arc tan fv=5.91 °.
It is rapidly opened and closed that described locking device 5 and transmission device 3 the two unification: path Tr16*32 (p8) part realize car door, large footpath Tr104*32 (p8) part, and length only has 32mm, realizes the locking functions of car door.
Embodiment 1:
Fig. 5 is the locking device structure chart of embodiment 1.A kind of form that locking and transmission are two-in-one, reducing combination nut 3-1 is combined by path nut 3-11 and large footpath nut 3-12.Path nut 3-11 and reducing combined threaded rod path part 3-21 screw that to realize car door rapidly opened and closed, adopt the model engineering plastic that friction factor (f=0.11) is less to make.Large footpath nut 3-12 and reducing combined threaded rod large diameter portion 3-22 screw, and meet mechanical self-latching condition.Large footpath nut 3-12 adopts the model engineering plastic that friction factor (f=0.45) is larger to make.During normal work, reducing combined threaded rod nut minor diameter part divides relative motion, drives door leaf 1-1 switch, and this section friction factor is little, frictional heat is few, noise is low, is suitable for rapid movement; After door leaf 1-1 closes (while being about to close), large diameter portion bolt and nut screws, and its lead angle (λ=24.84 °) is less than equivalent friction angle (arc tan fv=24.98 °), meets mechanical self-latching condition.Therefore after closing of the door, when without external torsional interaction, car door cannot be opened, and realizes self-locking.Relatively, large path difference is less, and structure is more reasonable, and manufacturability is more excellent.
Two nuts adopt model engineering plastic to make, and its material property is as follows:
Nut 1(3-11) nut 2(3-12)
1, tensile strength 32MPa 1, tensile strength 90MPa
2, compressive strength 25MPA 2, compressive strength 130MPA
3, friction factor 0.11 3, friction factor 0.45
Embodiment 2:
Fig. 6 is another two-in-one form of locking and transmission, and reducing combination nut 3-1 is combined by path and large footpath two parts.Path nut 3-11 and reducing combined threaded rod path part 3-21[Tr16*32 (p8)] part screws that to realize car door rapidly opened and closed, and this partial frictional angle is little, helical pitch is large.Large footpath nut 3-12 reducing combined threaded rod large diameter portion 3-21[Tr104*32 (p8)] screw, length only has 32mm, realizes the locking functions of car door.
(s/ π d) for lead angle λ λ=arc tan
Equivalent friction angle arc tan fv
Equlvalent coefficient of friction fv fv=f/cos β
S---screw rod helical pitch s=32
D---screw rod central diameter d=100
F---friction factor steel---model engineering plastic screw pair f ≈ 0.1
π---pi=3.1415926 ....
β---thread form oblique angle is to T shape screw thread β=30 °/2=15 °
λ=arc tan (s/πd)
=arc tan (32/100π) λ=5.81°
fv=f / cosβ=0.1/cos15° arc tan fv=5.91°
λ=5.81°＜arc tan fv=5.91°
That is: the lead angle λ in large footpath is less than equivalent friction angle arc tan fv, meet spiral self-locking condition, therefore after car door is closed completely, when there is no external torsional interaction in reducing nut or screw rod, the two mutual self-locking, car door can not move unlatching, realizes mechanical locking function, without as other car doors, set up separately a set of locking device.Simply, conveniently.
The utility model is applicable to underground automobile door and railway car door.Underground automobile door is selected left-right rotary reverse-flighted screw; Railway car door adopts unidirectional screw rod.Screw rod material adopts Gr15 alloy steel, and turning etc. process; Nut adopts high-strength model engineering plastic-newly formula, injection moulding; Guide rail adopts weather-resistant steel plate, punching stretch forming, bearing steel turning machine-shaping for directive wheel.Railway and subway, different with force-bearing situation because carrying, therefore when parts are applied, its concrete structure size is variation to some extent also.
Claims (6)
1. electricity powered car door reduction of heat noise reduction acceleration system, comprise door device (1) and Men Tou mechanism (7), door device (1) is comprised of two door leafs in left and right (1-1) and shift fork (1-2), Men Tou mechanism (7) is located at the top of door leaf, driving mechanism (2) is housed in Men Tou mechanism (7), transmission device (3), guiding mechanism (4), locking device (5) and door control unit (6), driving mechanism (2) is comprised of motor and shaft coupling, transmission device (3) is by combined threaded rod, nut and three supporting base compositions, it is characterized in that: described door control unit (6) sends instruction, the rotation of motor drive screw, nut drives shift fork (1-2), door leaf does rectilinear motion along screw axis direction, realize the switch of car door.
2. electricity powered car door reduction of heat noise reduction acceleration system according to claim 1, it is characterized in that: described transmission device (3) is comprised of reducing combined threaded rod nut screw pair, comprise reducing combination nut (3-1) and reducing combined threaded rod (3-2), reducing combined threaded rod (3-2) is supported in Men Tou mechanism (7) by left and right supporting base (3-3) and middle supporting base (3-4); Reducing combination nut (3-1) respectively has two parts of large and small diameter with reducing combined threaded rod (3-2), large helical pitch small diameter portion screw pair is implemented closing leading portion, opening back segment of door device (1), screw thread (3-21) section diameter of reducing combination nut is Φ 16mm, screw with reducing combined threaded rod (3-1), in low friction, realize fast moving; The little lift angle part of major diameter: door device (1) close latter end, open leading portion, the diameter of thread of reducing combination nut (3-1) is Φ 104mm, screws with reducing combined threaded rod (3-2).
3. electricity powered car door reduction of heat noise reduction acceleration system according to claim 2, it is characterized in that: it is Φ 16mm and Φ 104mm bis-parts that described reducing combined threaded rod (3-2) has the diameter of thread its large diameter portion Φ 104mm, lead angle λ=5.81 °, equivalent friction angle arc tan fv=5.91 °.
4. electricity powered car door reduction of heat noise reduction acceleration system according to claim 1, it is characterized in that: described guiding mechanism (4) is comprised of guide rail (4-2) and directive wheel (4-1), in the top of door leaf (1-1), Men Tou mechanism (7), guide rail (4-2) is housed, directive wheel (4-1) is spherical structure, and directive wheel (4-1) forms point with the U-shaped groove inwall of guide rail (4-2) and contacts.
5. electricity powered car door reduction of heat noise reduction acceleration system according to claim 1, it is characterized in that: guide rail (4-2) is equipped with in the top of described door leaf (1-1), directive wheel (4-1) rolls in the U-shaped groove of guide rail (4-2), the upper lateral part of door leaf (1-1) is connected with shift fork (1-2), shift fork (1-2) is link rod structure, by the loaded axle (8) being fixed in Men Tou mechanism (7), is connected with reducing combination nut (3-1).
6. electricity powered car door reduction of heat noise reduction acceleration system according to claim 1, it is characterized in that: described locking device (5) and the two unification of transmission device (3): reducing combination nut (3-1) is comprised of path nut (3-11) and large footpath nut (3-12), and path nut (3-11) screws and realizes car door high-speed switch with reducing combined threaded rod path part (3-21); Large footpath nut (3-12) screws and meets mechanical self-latching condition with reducing combined threaded rod large diameter portion (3-22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320324338.3U CN203570082U (en) | 2013-06-06 | 2013-06-06 | Heat and noise reducing and speed increasing system of electronically-controlled electric vehicle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320324338.3U CN203570082U (en) | 2013-06-06 | 2013-06-06 | Heat and noise reducing and speed increasing system of electronically-controlled electric vehicle door |
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| Publication Number | Publication Date |
|---|---|
| CN203570082U true CN203570082U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320324338.3U Withdrawn - After Issue CN203570082U (en) | 2013-06-06 | 2013-06-06 | Heat and noise reducing and speed increasing system of electronically-controlled electric vehicle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243999A (en) * | 2013-06-06 | 2013-08-14 | 江苏申阳电梯部件有限公司 | Transmission mechanism of electric-control electrocar door |
| CN103266825A (en) * | 2013-06-06 | 2013-08-28 | 江苏申阳电梯部件有限公司 | Heat and noise reducing and speed increasing system of electronically controlled electric vehicle door |
-
2013
- 2013-06-06 CN CN201320324338.3U patent/CN203570082U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243999A (en) * | 2013-06-06 | 2013-08-14 | 江苏申阳电梯部件有限公司 | Transmission mechanism of electric-control electrocar door |
| CN103266825A (en) * | 2013-06-06 | 2013-08-28 | 江苏申阳电梯部件有限公司 | Heat and noise reducing and speed increasing system of electronically controlled electric vehicle door |
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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: 20140430 Effective date of abandoning: 20150325 |
|
| RGAV | Abandon patent right to avoid regrant |