CN103680241B - Practical traning platform is overhauled bottom the track bridge motor train unit of Liftable type - Google Patents
Practical traning platform is overhauled bottom the track bridge motor train unit of Liftable type Download PDFInfo
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- CN103680241B CN103680241B CN201310710667.6A CN201310710667A CN103680241B CN 103680241 B CN103680241 B CN 103680241B CN 201310710667 A CN201310710667 A CN 201310710667A CN 103680241 B CN103680241 B CN 103680241B
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- worm gear
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Abstract
Practical traning platform is overhauled bottom a kind of track bridge motor train unit of Liftable type, relate to a kind of inspection rack, comprise track bridge, jacking system, melt pit, track bridge comprises rail, steel construction pillar for carrying motor train unit, steel construction pillar comprises rectangular frame, is fixed on the column of many inner hollow bottom rectangular frame, rectangular frame top is connected with rail by elastic bar fastener, is connected bottom rectangular frame with the top of many root posts, and the bottom of many root posts is stretched in melt pit respectively; The external part of jacking system is positioned at column and is connected with the endoporus top of column.The present invention can drive steel construction pillar to carry out rising or declining by jacking system, thus realize the lifting of track bridge, motor train unit, convenient to motor train unit traveling position inspection requirements, both can solve trench narrow space teacher at the bottom of tool car bottom existing motor train unit to the difficulty of several student training, cannot can meet again and give work training to the maintenance machinist of production line.
Description
Technical field
The present invention relates to a kind of inspection rack, bottom the track bridge motor train unit particularly relating to a kind of Liftable type, overhaul practical traning platform.
Background technology
Along with the operation of railway the sixth time speed-raising construction project, the construction of Line for Passenger Transportation is postponed comprehensively and is opened, passenger stock will realize " motor-car ", for the operation ensureing that motor train unit can be safe, stable, motor train unit use check that storehouse stereo operation platform and track bridge also come into operation in succession, maintenance storehouse is that motor-car uses most important place, main service work concentrates on to be carried out here, institute's construction project requirement is used according to motor train unit, maintenance storehouse is divided into three layers: ground floor is groove, for detecting bottom train; Bottom is melt pit, establishes trench drain in melt pit, and melt pit is formed by ferroconcrete prop, anchoring joist steel on pillar, and joist steel top integrates with, and forms circuit in maintenance storehouse.The second layer is belly board, can check compartment; Third layer is then for detecting motor train unit top.
At present, do " one-level maintenance " to motor train unit, usually join 4 motor-car machinists, 2 responsible roofs and compartment, at the bottom of 2 responsible cars, 2 machinist one the first from left are right, and parts " touch " past one by one, bend over to come into rail lower width and only have 1 meter, motor-car base plate distance trench bottom of trench is the narrow trench of 1.65 meters one, be drilled under motor-car and work, very " awkward ", thus machinist must be slightly curved waist; But the situation of equipment at the bottom of inspection trolley, must face upward head again, like this, just health is broken into the S of a retrography.Dark under car, also fills the air one light metal strange taste.
Along with the development of vocational education, the practice teaching car copied by true motor-car has been used in the motor car inspection and repair real training in track traffic professional colleges.How designing one and can meet again the platform maintenance machinist of production line being giveed training to work when facilitating practice teaching, is a needs urgent problem.
Summary of the invention
The technical problem to be solved in the present invention is: provide bottom a kind of track bridge motor train unit of Liftable type and overhaul practical traning platform, to the difficulty of several student training, cannot can meet again when facilitating practice teaching and work is giveed training to the maintenance machinist of production line to solve trench narrow space teacher at the bottom of tool car bottom existing motor train unit.
The technical scheme solved the problems of the technologies described above is: overhaul practical traning platform bottom a kind of track bridge motor train unit of Liftable type, comprise track bridge, jacking system, melt pit, described track bridge comprises the rail for carrying motor train unit, steel construction pillar, described steel construction pillar comprises rectangular frame, be fixed on the column of many inner hollow bottom rectangular frame, described rectangular frame top is connected with rail by elastic bar fastener, be connected with the top of many root posts bottom rectangular frame, the bottom of many root posts is stretched in described melt pit respectively, each root post longitudinally has respectively two grooves be convenient to jacking system and passed, the external part of described jacking system is positioned at column and is connected with the endoporus top of column.
Further technical scheme of the present invention is: described jacking system comprises motor, reductor, shaft coupling, cross commutator, N group Worm gear feed screw elevating mechanism, connecting link, the output shaft of described motor is connected with reductor, the output shaft of reductor is connected with N group Worm gear feed screw elevating mechanism respectively by shaft coupling, cross commutator, in N group Worm gear feed screw elevating mechanism, often group becomes by the multiple Worm gear feed screw mechanisms being arranged in a line, and each Worm gear feed screw machine is all positioned at column and is connected with the endoporus top of column by external part; Often to organize in Worm gear feed screw elevating mechanism between two adjacent Worm gear feed screw machines and linked together by shaft coupling, connecting link, linked together by cross commutator, shaft coupling, connecting link between N group Worm gear feed screw elevating mechanism, described N >=1.
Further technical scheme more of the present invention is: described shaft coupling comprises two half a couplers, pin, back-up rings, and two described half a couplers are evenly equipped with multiple pin mounting hole, is provided with described back-up ring between these two half a couplers; Described pin one end is arranged on each pin mounting hole of a half a coupler by nut, packing ring, and the other end of pin is arranged on each pin mounting hole of another half a coupler by elastic ring.
Further technical scheme more of the present invention is: described Worm gear feed screw machine comprises mount pad, casing, worm screw, worm gear, elevating screw, and described mount pad is connected to the bottom of casing, and this mount pad is arranged on the top surface of melt pit by bolt, described worm screw is horizontally installed with in casing, described worm gear is vertically installed, threaded hole is provided with in the middle part of this worm gear, in this threaded hole, described elevating screw is installed, one end of described worm screw laterally passes the groove of column as power intake or passes through shaft coupling, cross commutator is connected with the output shaft of reductor, or pass through shaft coupling, connecting link is connected with the worm screw of previous Worm gear feed screw machine, the groove that the other end of worm screw laterally passes column as clutch end passes through shaft coupling, connecting link is connected with the worm screw of a rear Worm gear feed screw machine, this worm and wheel is meshed, worm gear is meshed with elevating screw, the top of elevating screw is connected with the endoporus top of column by flange.
Further technical scheme of the present invention is: be also connected with the protective sleeve bottom for the protection of elevating screw bottom described mount pad, this protective sleeve stretches in melt pit.
Further technical scheme of the present invention is: described cross commutator comprises commutator casing, transverse axis, the longitudinal axis be arranged on by bearing in commutator casing, described transverse axis is provided with transverse axis bevel gear, the longitudinal axis is provided with longitudinal axis bevel gear, this transverse axis bevel gear is meshed with longitudinal axis bevel gear, and described transverse axis, the longitudinal axis are connected with the output shaft of reductor or the worm screw of Worm gear feed screw machine respectively by shaft coupling.
Owing to adopting said structure, overhaul practical traning platform compared with prior art bottom the track bridge motor train unit of the Liftable type of the present invention, there is following beneficial effect:
1. be convenient to maintenance training bottom motor train unit:
Owing to the present invention includes track bridge, jacking system, melt pit, wherein track bridge comprises rail, the steel construction pillar for carrying motor train unit, steel construction pillar comprises rectangular frame, is fixed on the column of many inner hollow bottom rectangular frame, described rectangular frame top is connected with rail by elastic bar fastener, be connected with the top of many root posts bottom rectangular frame, the bottom of many root posts is stretched in described melt pit respectively, each root post longitudinally has respectively two grooves be convenient to jacking system and passed; The external part of described jacking system is positioned at column and is connected with the endoporus top of column.Therefore the present invention can drive steel construction pillar to carry out rising or declining by jacking system, thus realize the lifting of track bridge, motor train unit.Therefore, the present invention is due to maintenance practical traning platform employing Liftable type track bridge structure, thus it is convenient to motor train unit traveling position inspection requirements, both can solve trench narrow space teacher at the bottom of tool car bottom existing motor train unit to the difficulty of several student training, cannot can meet again when facilitating practice teaching and give work training to the maintenance machinist of production line.
2. structure is reliable:
Because the weight of motor train unit, rail is very heavy, they liftings are got up more difficult.Jacking system of the present invention have employed N group Worm gear feed screw elevating mechanism and carries out synchronization lifting, because the Worm gear feed screw machine of each group of Worm gear feed screw elevating mechanism is made up of worm reduction gear and elevating screw, its deceleration component is worm drive, worm screw is utilized to drive worm gear to realize slowing down, worm gear center is female thread structure, be equivalent to the nut of elevating screw, and elevating screw matches.This Worm gear feed screw machine is a kind of basic lifting component, have that compact conformation, volume are little, lightweight, noiselessness, safe ready, many advantages such as use is flexible, reliability is high, power source is extensive, allocation function is many, long service life; Multiple Worm gear feed screw machine combines use, controls exactly to adjust the height promoting or advance by certain procedures by motor, can track bridge, motor train unit is stable, exactly lifting get up.Therefore, structure of the present invention is very reliable.
3. cost is low, structure is simply dexterous:
What the present invention adopted is motor output shaft direct driving technologies, and its structure is simple, dexterous, overcomes hydraulic pressure, cost that is pneumatic and electric pushrod simulator is high, heavy, dynamic property is slow shortcoming.
Below, the technical characteristic overhauling practical traning platform bottom the track bridge motor train unit in conjunction with the accompanying drawings and embodiments to the Liftable type of the present invention is further described.
Accompanying drawing explanation
Fig. 1: the structural representation overhauling practical traning platform bottom the track bridge motor train unit of the Liftable type of the present invention;
Fig. 2 ~ Fig. 3: the structural representation of column,
Fig. 2: front view, the A-A cut-open view of Fig. 3: Fig. 2;
Fig. 4: the structural representation of jacking system described in embodiment one;
Fig. 5 ~ Fig. 6: the structural representation of shaft coupling described in embodiment one:
Fig. 5: front view, the left view of Fig. 6: Fig. 5;
Fig. 7: the structural representation of Worm gear feed screw machine described in embodiment one;
Fig. 8: the annexation schematic diagram of the Worm gear feed screw machine of column and jacking system;
Fig. 9: the structural representation of cross commutator described in embodiment one;
Figure 10 ~ Figure 12: the working state figure overhauling practical traning platform bottom the track bridge motor train unit of the Liftable type of the present invention:
Figure 10: the present invention is positioned at the side view of minimum duty,
Figure 11: the present invention is positioned at the side view of middle duty,
Figure 12: the present invention is positioned at the side view of most high workload state.
In figure, each label is as follows:
1-track bridge, 101-rail, 102-steel construction pillar, 1021-rectangular frame,
1022-column, 10221-groove,
2-jacking system, 201-motor, 202-reductor, 203-shaft coupling,
2031-half a coupler, 2032-pin, 2033-back-up ring, 2034-nut,
2035-packing ring, 2036-elastic ring, 204-cross commutator, 2041-commutator casing,
2042-bearing, 2043-transverse axis, the 2044-longitudinal axis, 2045-transverse axis bevel gear, 2046-longitudinal axis bevel gear,
205-Worm gear feed screw elevating mechanism,
2051-Worm gear feed screw machine, 20511-mount pad, 20512-casing, 20513-worm screw,
20514-worm gear, 20515-elevating screw, 20516-flange, 20517-protective sleeve,
206-connecting link,
3-melt pit, 4-motor train unit.
Embodiment
Embodiment one:
Disclosed in Fig. 1 be a kind of Liftable type track bridge motor train unit bottom overhaul practical traning platform, comprise track bridge 1, jacking system 2, melt pit 3, described track bridge 1 comprises rail 101, steel construction pillar 102 for carrying motor train unit 4, described rail 101 is 60KG/m rail, the material of this rail 101 is U71,25 meters of standard gauges, and gauge is 1435MM.The column 1022(of 6 inner hollow that described steel construction pillar 102 comprises rectangular frame 1021, be fixed on bottom rectangular frame 1021 arranges in two separate ranks), described rectangular frame 1021 top is connected with rail 101 by spring type III fastener, be connected with the top of 6 root posts 1022 bottom rectangular frame 1021, the longitudinal pitch of each root post is (1786MM) within 1.8 meters; The bottom of 6 root posts 1022 is stretched in described melt pit 3 respectively, each root post 1022 longitudinally has respectively two and is convenient to groove 10221(that jacking system 2 passes see Fig. 2 ~ Fig. 3); The external part of described jacking system 2 is positioned at column 1022 and is connected with the endoporus top of column 1022.
Above-mentioned jacking system 2 comprises motor 201, reductor 202, shaft coupling 203, cross commutator 204, N group Worm gear feed screw elevating mechanism 205, connecting link 206(is see Fig. 4), the output shaft of described motor 201 is connected with reductor 202, the output shaft of reductor 202 is by shaft coupling 203, cross commutator 204 is connected with N group Worm gear feed screw elevating mechanism 205 respectively, in N group Worm gear feed screw elevating mechanism 205, often group is formed by 3 the Worm gear feed screw machines 2051 being arranged in a line, each Worm gear feed screw machine 2051 is all positioned at column 1022 and is connected with the endoporus top of column 1022 by external part, often to organize in Worm gear feed screw elevating mechanism 205 between two adjacent Worm gear feed screw machines 2051 and linked together by shaft coupling 203, connecting link 206, linked together by cross commutator 204, shaft coupling 203, connecting link 206 between N group Worm gear feed screw elevating mechanism 205, described N=2.
Above-mentioned shaft coupling 203 comprises two half a couplers 2031, pin 2032, back-up ring 2033(see Fig. 5 ~ Fig. 6), two described half a couplers 2031 are evenly equipped with multiple pin mounting hole, between these two half a couplers 2031, described back-up ring 2033 are installed; Described pin 2032 one end is arranged on each pin mounting hole of a half a coupler by nut 2034, packing ring 2035, and the other end of pin 2032 is arranged on each pin mounting hole of another half a coupler by elastic ring 2036.
Above-mentioned Worm gear feed screw machine 2051 comprises mount pad 20511, casing 20512, worm screw 20513, worm gear 20514, elevating screw 20515(see Fig. 7), described mount pad 20511 is connected to the bottom of casing 20512, and this mount pad 20511 is arranged on by bolt on the top surface of melt pit 3, described worm screw 20513 is horizontally installed with in casing 20512, described worm gear 20514 is vertically installed, threaded hole is provided with in the middle part of this worm gear 20514, described elevating screw 20515 is installed in this threaded hole, one end of described worm screw 20513 as power intake laterally pass column 1022 groove or by shaft coupling 203, cross commutator 204 is connected with the output shaft of reductor 202, or by shaft coupling 203, connecting link 206 is connected with the worm screw 20513 of previous Worm gear feed screw machine 2051, the other end of worm screw 20513 laterally passes the groove of column 1022 by shaft coupling 203 as clutch end, connecting link 206 is connected with the worm screw of a rear Worm gear feed screw machine, this worm screw 20513 is meshed with worm gear 20514, worm gear 20514 is meshed with elevating screw 20515, the top of elevating screw 20515 is connected (see Fig. 8) with the endoporus top of column 1022 by flange 20516.Also be connected with the protective sleeve 20517 bottom for the protection of elevating screw bottom described mount pad 5111, this protective sleeve 20517 also stretches in melt pit 3.
Above-mentioned cross commutator 204 comprises commutator casing 2041, the transverse axis 2043 be arranged on by bearing 2042 in commutator casing 2041, longitudinal axis 2044(be see Fig. 9), described transverse axis 2043 is provided with transverse axis bevel gear 2045, the longitudinal axis 2044 is provided with longitudinal axis bevel gear 2046, this transverse axis bevel gear 2045 is meshed with longitudinal axis bevel gear 2046, and described transverse axis 2043, the longitudinal axis 2044 are connected with the output shaft of reductor or the worm screw of Worm gear feed screw machine 2051 respectively by shaft coupling.
One as the present embodiment one converts, and the group number N of described Worm gear feed screw elevating mechanism 205 may not be 2, but 1 or 3 or 4, Worm gear feed screw machine 2051 quantity that described formation often organizes Worm gear feed screw elevating mechanism 205 may not be 3, but 1,2,4,5,67,8 ...
One as the present embodiment one converts, and the quantity of described column 1022 may not be 6, but more or less, but should ensure at least will there be a Worm gear feed screw machine 2051 in each column.
principle of work of the present invention is as follows:
Signal is passed to the motor 201 of jacking system 2 by controller, the main shaft of motor connects with reductor 202, power is passed through shaft coupling 203 by the output shaft of reductor 202, the worm screw of first Worm gear feed screw machine 2051 of each group of Worm gear feed screw elevating mechanism 205 passed to by cross commutator 204, worm screw is while driving elevating screw lifting by driving worm gear wheel, also shaft coupling is passed through, connecting link by power transmission to the worm screw of next Worm gear feed screw machine 2051, so analogize, until pass to the worm screw of last Worm gear feed screw machine 2051, this worm screw also drives worm gear wheel to drive elevating screw lifting simultaneously, thus the elevating screw realizing each Worm gear feed screw machine 2051 is elevated simultaneously, drive steel construction pillar 102 also synchronous rising or decline.
Claims (5)
1. bottom the track bridge motor train unit of a Liftable type, overhaul practical traning platform, it is characterized in that: comprise track bridge (1), jacking system (2), melt pit (3), described track bridge (1) comprises the rail (101) for carrying motor train unit (4), steel construction pillar (102), described steel construction pillar (102) comprises rectangular frame (1021), be fixed on the column (1022) of many inner hollow of rectangular frame (1021) bottom, described rectangular frame (1021) top is connected with rail (101) by elastic bar fastener, rectangular frame (1021) bottom is connected with the top of many root posts (1022), the bottom of many root posts (1022) is stretched in described melt pit (3) respectively, each root post longitudinally has respectively two grooves (10221) be convenient to jacking system (2) and passed, the external part of described jacking system (2) is positioned at column (1022) and is connected with the endoporus top of column (1022),
Described jacking system (2) comprises motor (201), reductor (202), shaft coupling (203), cross commutator (204), N group Worm gear feed screw elevating mechanism (205), connecting link (206), the output shaft of described motor (201) is connected with reductor (202), the output shaft of reductor (202) is by shaft coupling (203), cross commutator (204) is connected with N group Worm gear feed screw elevating mechanism (205) respectively, in N group Worm gear feed screw elevating mechanism (205), often group is formed by the multiple Worm gear feed screw machines (2051) being arranged in a line, each Worm gear feed screw machine (2051) is all positioned at column (1022) and is connected by the endoporus top of external part with column (1022), often to organize in Worm gear feed screw elevating mechanism (205) between two adjacent Worm gear feed screw machines (2051) and linked together by shaft coupling (203), connecting link (206), linked together by cross commutator (204), shaft coupling (203), connecting link (206) between N group Worm gear feed screw elevating mechanism (205), described N >=1.
2. bottom the track bridge motor train unit of Liftable type according to claim 1, overhaul practical traning platform, it is characterized in that: described shaft coupling (203) comprises two half a couplers (2031), pin (2032), back-up ring (2033), two described half a couplers (2031) are evenly equipped with multiple pin mounting hole, between these two half a couplers (2031), described back-up ring (2033) are installed; Described pin (2032) one end is arranged on each pin mounting hole of a half a coupler by nut (2034), packing ring (2035), and the other end of pin (2032) is arranged on each pin mounting hole of another half a coupler by elastic ring (2036).
3. bottom the track bridge motor train unit of Liftable type according to claim 1, overhaul practical traning platform, it is characterized in that: described Worm gear feed screw machine (2051) comprises mount pad (20511), casing (20512), worm screw (20513), worm gear (20514), elevating screw (20515), described mount pad (20511) is connected to the bottom of casing (20512), and this mount pad (20511) is arranged on by bolt on the top surface of melt pit (3), described worm screw (20513) is horizontally installed with in casing (20512), described worm gear (20514) is vertically installed, this worm gear (20514) middle part is provided with threaded hole, described elevating screw (20515) is installed in this threaded hole, one end of described worm screw (20513) laterally passes the groove of column (1022) as power intake or passes through shaft coupling (203), cross commutator (204) is connected with the output shaft of reductor (202), or by shaft coupling (203), connecting link (206) is connected with the worm screw (20513) of previous Worm gear feed screw machine (2051), the other end of worm screw (20513) laterally passes the groove of column (1022) by shaft coupling (203) as clutch end, connecting link (206) is connected with the worm screw of a rear Worm gear feed screw machine, this worm screw (20513) is meshed with worm gear (20514), worm gear (20514) is meshed with elevating screw (20515), the top of elevating screw (20515) is connected with the endoporus top of column (1022) by flange (20516).
4. bottom the track bridge motor train unit of Liftable type according to claim 3, overhaul practical traning platform; it is characterized in that: described mount pad (5111) bottom is also connected with the protective sleeve (20517) bottom for the protection of elevating screw, and this protective sleeve (20517) stretches in melt pit (3).
5. bottom the track bridge motor train unit of the Liftable type according to claim 1 or 2 or 3 or 4, overhaul practical traning platform, it is characterized in that: described cross commutator (204) comprises commutator casing (2041), the transverse axis (2043) in commutator casing (2041) is arranged on by bearing (2042), the longitudinal axis (2044), described transverse axis (2043) is provided with transverse axis bevel gear (2045), the longitudinal axis (2044) is provided with longitudinal axis bevel gear (2046), this transverse axis bevel gear (2045) is meshed with longitudinal axis bevel gear (2046), described transverse axis (2043), the longitudinal axis (2044) is connected with the output shaft of reductor or the worm screw of Worm gear feed screw machine (2051) respectively by shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310710667.6A CN103680241B (en) | 2013-12-19 | 2013-12-19 | Practical traning platform is overhauled bottom the track bridge motor train unit of Liftable type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310710667.6A CN103680241B (en) | 2013-12-19 | 2013-12-19 | Practical traning platform is overhauled bottom the track bridge motor train unit of Liftable type |
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| Publication Number | Publication Date |
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| CN103680241A CN103680241A (en) | 2014-03-26 |
| CN103680241B true CN103680241B (en) | 2015-10-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144952B (en) * | 2016-08-21 | 2018-09-14 | 江滔 | A kind of melt pit for automobile chassis detection |
| CN109903630A (en) * | 2019-04-16 | 2019-06-18 | 重庆公共运输职业学院 | Railway locomotive and travelled by vehicle portion check device |
| CN110666753A (en) * | 2019-10-17 | 2020-01-10 | 安徽瑞铁轨道装备有限公司 | Variable rail lifting device for railway wheel set maintenance platform |
| CN117409631A (en) * | 2023-12-13 | 2024-01-16 | 湖南高铁时代数字化科技有限公司 | Rail transit vehicle structure and overhauling practical training equipment |
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| CN201132555Y (en) * | 2007-09-28 | 2008-10-15 | 中铁工程设计院有限公司 | Apparatus for replacing bogie |
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