CN107972684B - Driving shafting assembly and track inspection vehicle chassis - Google Patents
Driving shafting assembly and track inspection vehicle chassis Download PDFInfo
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- CN107972684B CN107972684B CN201711471569.6A CN201711471569A CN107972684B CN 107972684 B CN107972684 B CN 107972684B CN 201711471569 A CN201711471569 A CN 201711471569A CN 107972684 B CN107972684 B CN 107972684B
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- drive
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- 238000007689 inspection Methods 0.000 title claims abstract description 60
- 230000008878 coupling Effects 0.000 claims abstract description 34
- 238000010168 coupling process Methods 0.000 claims abstract description 34
- 238000005859 coupling reaction Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 239000004575 stone Substances 0.000 claims description 18
- 238000010408 sweeping Methods 0.000 claims description 14
- 241001417527 Pempheridae Species 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 12
- 239000011247 coating layer Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 23
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- 238000007906 compression Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/08—Railway inspection trolleys
- B61D15/12—Railway inspection trolleys power propelled
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Handcart (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a drive shafting assembly and track inspection car chassis, belong to the vehicle engineering field, drive shafting assembly includes the drive frame, first wheel, first spindle nose, the second wheel, the second spindle nose, first shaft coupling, second shaft coupling and jackshaft, be provided with power structure on the drive frame, power structure is connected with the driving gear, first spindle nose rotationally installs in the one end of drive frame, first wheel and first spindle nose fixed connection, the second spindle nose rotationally installs in the other end that the drive frame kept away from first spindle nose, second wheel and second spindle nose fixed connection, jackshaft one end is connected with first spindle nose through first shaft coupling, the other end is connected with the second spindle nose through the second shaft coupling, be provided with driven gear on the second shaft coupling, driven gear and driving gear meshing. The driving shafting assembly has the characteristics of compact structure and integration, and can improve the disassembly and assembly efficiency of the chassis of the track inspection vehicle so as to solve the problems of slow track loading and unloading and manual carrying of the chassis of the track inspection vehicle.
Description
Technical Field
The invention relates to the field of vehicle engineering, in particular to a driving shafting assembly and a track inspection vehicle chassis.
Background
Along with the improvement of the requirements of China on the safety operation, the line stability, the safety and the reliability of trains, the requirements on the inspection points and the frequency of the track lines are higher and higher. The traditional track inspection work mainly comprises manual inspection and a large track inspection vehicle, but the manual inspection has the problems of low work efficiency and high labor intensity; and the large-scale track inspection vehicle is difficult to get on and off the track due to the large dead weight, and is inconvenient to use and maintain.
Disclosure of Invention
The invention aims to provide a driving shafting assembly which has the characteristics of compact and integrated structure, and can improve the disassembly and assembly efficiency of a chassis of a track inspection vehicle so as to solve the problems of slow track loading and unloading and manual transportation of the chassis of the track inspection vehicle.
The invention further aims to provide a chassis of the track inspection vehicle, which has the characteristics of quick track up and down and convenient use and maintenance.
Embodiments of the present invention are implemented as follows:
the utility model provides a drive shafting assembly for the track inspection car chassis provides power that advances, it includes the drive frame, first bearing frame, two first bearings, first wheel, first spindle nose, the second bearing frame, two second bearings, the second wheel, the second spindle nose, first shaft coupling, second shaft coupling and jackshaft, be provided with power structure on the drive frame, power structure's output shaft has the driving gear, first bearing frame and second bearing frame set up in the both ends of drive frame relatively, two first bearings set up in first bearing frame along the length direction interval of first bearing frame, two second bearing sets up in second bearing frame along the length direction interval of second bearing frame, first spindle nose is in the one end of drive frame with the mode that can rotate around self axis, first spindle nose supports in first bearing frame and with the inner circle normal running fit of two first bearings, first wheel nose stretches out first bearing frame thereby forms first wheel installation department, first wheel and second wheel installation department fixed connection, the second spindle nose is in the other end that the drive frame is kept away from first bearing frame in a mode that can rotate around self axis normal running mode, second bearing support in the second bearing frame and second bearing installation department second wheel, thereby the driven gear installation department is in the second bearing frame and the second bearing installation department, the second spindle nose and driven shaft joint rotation joint through the second bearing rotation of second bearing, thereby can be formed with the second bearing axle coupling, and driven shaft coupling rotation structure rotation, and driven axle joint rotation, thereby drive the jackshaft rotation, the jackshaft can drive first spindle nose and second spindle nose rotation to drive first wheel and second wheel rotation.
Further, in a preferred embodiment of the present invention, the driving frame is provided with a stone sweeping structure for cleaning stones on the track, and the stone sweeping structure is located in front of the first wheel and the second wheel along the traveling direction of the chassis of the track inspection vehicle.
Further, in the preferred embodiment of the invention, the stone sweeping structure comprises two first angle steels and two sweepers, the two first angle steels are respectively and fixedly connected to two ends of the driving frame, the two sweepers are made of rubber materials and are in a sheet-shaped structure, and the top ends of the two sweepers are respectively and fixedly connected to the two first angle steels.
Further, in a preferred embodiment of the present invention, the driving frame is provided with an anti-tilting structure for preventing the chassis of the track inspection vehicle from being turned over, and the anti-tilting structure is located behind the first wheel and the second wheel along the traveling direction of the chassis of the track inspection vehicle.
Further, in the preferred embodiment of the present invention, the anti-tilting structure includes two second angle steels and two supporting blocks, the two second angle steels are respectively disposed at two ends of the driving frame, the two supporting blocks are both L-shaped and include a first supporting portion and a second supporting portion which are mutually perpendicular and connected, one ends of the two first supporting portions, far away from the corresponding second supporting portions, are respectively fixedly connected with the two second angle steels, and the two second supporting portions respectively extend to the lower side of the driving frame.
Further, in a preferred embodiment of the present invention, the first coupling and the second coupling are both connected to the brake disc by bolts.
Further, in a preferred embodiment of the present invention, the first wheel and the second wheel each adopt a spoke-type structure and include a wheel core and a coating layer coated on an outer wall of the wheel core, the wheel core is made of an aluminum alloy material, and the coating layer is made of polyurethane rubber.
Further, in a preferred embodiment of the present invention, the intermediate shaft includes a hollow shaft and two shaft plugs, the two shaft plugs are respectively welded to two ends of the hollow shaft, one of the shaft plugs is connected to the first shaft head through a first coupling, and the other shaft plug is connected to the second shaft head through a second coupling.
The chassis of the track inspection vehicle comprises a frame assembly, a connecting device and the driving shafting assembly, wherein the frame assembly is connected with the driving shafting assembly through the connecting device.
Further, in a preferred embodiment of the present invention, the frame assembly includes a frame, a bottom plate and a driven shaft assembly, the frame is connected to a driving frame of the driven shaft assembly through a connecting device, the bottom plate is fixedly mounted on an upper surface of the frame, the driven shaft assembly includes a third wheel and a fourth wheel, and the third wheel and the fourth wheel are respectively mounted on the frame.
The embodiment of the invention has the beneficial effects that:
the driving shafting assembly structure has the characteristics of compact structure and high integration degree, and the driving, braking and other execution elements of the chassis of the track inspection vehicle are integrated on the driving shafting assembly, so that the installation accuracy can be improved, the disassembly and assembly workload can be reduced, the speed of the chassis of the track inspection vehicle in the up-down track can be improved, and the chassis of the track inspection vehicle can be more conveniently used and maintained.
The chassis of the track inspection vehicle adopts the driving shafting assembly, and has the characteristics of quick track up and down and convenient use and maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a chassis of a track inspection vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a driving shaft assembly according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating another view of a driving shaft assembly according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a driving shaft assembly according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a driving frame according to an embodiment of the present invention;
fig. 6 is a partial schematic view of a stone sweeping structure according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a portion of an anti-tilt structure according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a first wheel according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an intermediate shaft according to an embodiment of the present invention;
FIG. 10 is a schematic view of a frame assembly according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a connection device according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of another view of the connecting device according to the embodiment of the present invention;
FIG. 13 is a schematic view of a handle according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of a connection seat according to an embodiment of the present invention.
Icon: 10-a chassis of the track inspection vehicle; 100-driving shaft assembly; 110-a drive rack; 111-a first bearing seat; 112-a first bearing; 113-a first stub shaft; 114-a first wheel; 1142-a wheel core; 1144-a coating layer; 115-a second bearing block; 116-a second bearing; 117-second spindle nose; 118-a second wheel; 119-mounting through holes; 120-intermediate shaft; 122-hollow shaft; 124-shaft plug; 130-a first coupling; 132—brake disc; 140-a second coupling; 142-driven gear; 150-a power structure; 152-a drive gear; 160-a stone sweeping structure; 162-first angle steel; 164-a sweeper; 170-an anti-roll structure; 172-second angle steel; 174-supporting blocks; 1741-a first support; 1742-a second support; 180-hand brake device; 190-foot brake device; 200-connecting means; 210-a handle assembly; 212-handle; 2122-a handle body; 2124-cam head; 2124 a-releasing the dough; 2124 b-compression face; 213-pin shaft; 214-T-shaped connector; 2142-a connecting rod; 2144-locking head; 216-a first flat washer; 217-second flat washer; 218-butterfly washers; 220-connecting seats; 222-kidney-shaped through holes; 224-kidney-shaped blind holes; 226-positioning bosses; 230-locating pins; 300-frame assembly; 310-frame; 312-first reinforcing ribs; 314-a second stiffener; 320-a bottom plate; 330-driven shafting assembly; 332-a third wheel; 334-fourth wheels.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a chassis 10 of a track inspection vehicle according to an embodiment of the present invention, referring to fig. 1, the embodiment provides a chassis 10 of a track inspection vehicle for inspecting a track line. The chassis 10 of the track inspection vehicle comprises a driving shaft system assembly 100, a frame assembly 300 and a connecting device 200.
Wherein the drive shafting assembly 100 is used for providing travelling power for the track inspection vehicle chassis 10. Fig. 2 is a schematic structural diagram of a driving shaft assembly 100 according to an embodiment of the present invention, fig. 3 is a schematic structural diagram of another view of the driving shaft assembly 100 according to an embodiment of the present invention, and fig. 4 is a schematic structural diagram of another view of the driving shaft assembly 100 according to an embodiment of the present invention, referring to fig. 2-4, the driving shaft assembly 100 may include a driving frame 110, a first bearing seat 111, two first bearings 112, a first wheel 114, a first axle head 113, a second bearing seat 115, two second bearings 116, a second wheel 118, a second axle head 117, a first coupling 130, a second coupling 140 and an intermediate shaft 120.
Fig. 5 is a schematic structural diagram of a driving frame 110 according to an embodiment of the present invention, referring to fig. 5, the driving frame 110 is a substantially rectangular frame structure, and is provided with a mounting through hole 119, a power structure 150, a stone sweeping structure 160, an anti-tilting structure 170, a hand brake device 180 and a foot brake device 190.
The mounting through holes 119 have four rectangular parallelepiped shapes, and the four mounting through holes 119 are located at substantially four corners of the driving frame 110, respectively.
The power structure 150 may adopt different structural forms according to the need, in this embodiment, the power structure 150 is a driving motor, the driving motor is fixedly mounted on the driving frame 110 through a plurality of bolts, and an output shaft of the driving motor is connected with a driving gear 152. In other embodiments, the power structure 150 may take other forms, such as an internal combustion engine.
The stone sweeping structure 160 is used for cleaning stone on a track, and may be in different structural forms according to needs, and fig. 6 is a partial schematic diagram of the stone sweeping structure 160 provided in the embodiment of the present invention, referring to fig. 6, in this embodiment, the stone sweeping structure 160 includes two first angle steels 162 and two sweepers 164, the two first angle steels 162 are respectively and fixedly connected to two ends of the driving frame 110, and the length directions of the two first angle steels 162 are the same as the length direction of the driving frame 110. The two sweepers 164 are made of rubber and are in a sheet-shaped structure, the top ends of the two sweepers 164 are respectively and fixedly connected to the two first angle steels 162, and the plane where the two sweepers 164 are located is perpendicular to the travelling direction of the chassis 10 of the track inspection vehicle. During the process of the track inspection vehicle chassis 10 travelling along the track, the two sweepers 164 can clear stones on the track, so that the normal travelling of the track inspection vehicle chassis 10 is ensured.
The anti-tilting structure 170 is used for preventing the chassis 10 of the track inspection vehicle from being turned over, and may adopt different structural forms according to needs, and fig. 7 is a partial schematic view of the anti-tilting structure 170 provided in the embodiment of the present invention, referring to fig. 7, in this embodiment, the anti-tilting structure 170 includes two second angle steels 172 and two supporting blocks 174, the two second angle steels 172 are respectively disposed at two ends of the driving frame 110, and the length directions of the two second angle steels 172 are the same as the length directions of the driving frame 110. The two second angle steels 172 correspond to the two first angle steels 162, respectively, and the second angle steels 172 and the first angle steels 162 corresponding to each other are disposed at intervals along the width direction of the driving frame 110. The two supporting blocks 174 are L-shaped and include a first supporting portion 1741 and a second supporting portion 1742 which are connected perpendicularly to each other, one end, away from the corresponding second supporting portion 1742, of the two first supporting portions 1741 is fixedly connected with the two second angle steels 172 respectively, the length direction of the two first supporting portions 1741 is the same as the length direction of the driving frame 110, and the two second supporting portions 1742 extend to the lower side of the driving frame 110 respectively. When the chassis 10 of the track inspection vehicle is derailed and inclined in the process of going along the track, the first supporting portion 1741 of the supporting block 174 can be supported on the track, and the second supporting portion 1742 can hook the side surface of the track, so that the chassis 10 of the track inspection vehicle is effectively prevented from turning on one side.
The hand brake device 180 and the foot brake device 190 are used for braking the chassis 10 of the track inspection vehicle, and their specific structures and braking principles belong to the prior art and are not described herein.
Referring to fig. 2 again, the first bearing seat 111 and the second bearing seat 115 are oppositely disposed at two ends of the driving frame 110 in the length direction (i.e. at two sides of the chassis 10 of the track inspection vehicle in the traveling direction), the first bearing seat 111 is located between one of the first angle steels 162 and the corresponding second angle steel 172, and the second bearing seat 115 is located between the other first angle steel 162 and the corresponding second angle steel 172. The first bearing housing 111 and the second bearing housing 115 are hollow structures and both ends of the inner cavity are provided with bearing mounting portions. The two first bearings 112 are disposed on the first bearing block 111 at intervals along the longitudinal direction of the first bearing block 111, and in detail, the two first bearings 112 are respectively mounted on two bearing mounting portions of the first bearing block 111; the two second bearings 116 are provided on the second bearing housing 115 at intervals along the longitudinal direction of the second bearing housing 115, and in detail, the two second bearings 116 are mounted on the two bearing mounting portions of the second bearing housing 115, respectively.
The first stub shaft 113 is rotatably mounted to one end of the driving frame 110 about its own axis, and in detail, the first stub shaft 113 is supported on the first bearing housing 111 and rotatably fitted with inner rings of two first bearings 112, and one end of the first stub shaft 113 remote from the driving frame 110 protrudes out of the first bearing housing 111 to form a first wheel mounting portion. The second axle head 117 is rotatably mounted to the other end of the driving frame 110 away from the first axle head 113 about its own axis, and in detail, the second axle head 117 is supported on the second axle bearing housing 115 and rotatably engaged with inner rings of the two second axles 116, and one end of the second axle head 117 away from the driving frame 110 extends out of the second axle bearing housing 115 to form a second wheel mounting portion.
The first wheel 114 is fixedly coupled to the first wheel mounting portion of the first stub shaft 113 by a plurality of bolts for easy disassembly, maintenance and replacement of the first wheel 114. The first wheel 114 and the first stub shaft 113 are coincident with each other in axis. The second wheel 118 is also fixedly coupled to the second wheel mounting portion of the second axle head 117 by a plurality of bolts for ease of disassembly, maintenance and replacement of the second wheel 118. The second wheel 118 and the second axle head 117 are mutually coincident in axis. The stone-sweeping structure 160 and the anti-roll structure 170 are respectively located in front of and behind the wheels in the traveling direction of the track inspection vehicle chassis 10, and in detail, the two sweepers 164 are respectively located in front of the first wheel 114 and the second wheel 118 so as to contact the stone before the first wheel 114 and the second wheel 118 when the track inspection vehicle chassis 10 travels, thereby sweeping the stone on the track. Two support blocks 174 are located rearward of the first wheel 114 and the second wheel 118, respectively.
Referring to fig. 8, in the embodiment, the first wheel 114 and the second wheel 118 may have different structural forms according to need, and fig. 8 is a schematic structural diagram of the first wheel 114 according to an embodiment of the present invention, and referring to fig. 8, in this embodiment, the first wheel 114 has a spoke-type structure and includes a wheel core 1142 connected to the first axle head 113 and a coating layer 1144 coated on an outer wall of the wheel core 1142. The wheel core 1142 may be made of an aluminum alloy material, and the coating layer 1144 may be made of polyurethane rubber. The first wheel 114 constructed and arranged as described above can reduce its weight and increase its wear resistance. The second wheel 118 has substantially the same structural form and technical effect as the first wheel 114, except that the core 1142 of the second wheel 118 is connected to the second axle head 117.
Fig. 9 is a schematic structural diagram of an intermediate shaft 120 according to an embodiment of the present invention, referring to fig. 9, the intermediate shaft 120 may take different structural forms according to needs, and in this embodiment, the intermediate shaft 120 includes a hollow shaft 122 and two shaft plugs 124, and the two shaft plugs 124 are respectively welded to two ends of the hollow shaft 122. The hollow structure can effectively reduce the weight of the intermediate shaft 120.
Referring again to fig. 2, the intermediate shaft 120 is connected to the first stub shaft 113 at one end via a first coupling 130 and to the second stub shaft 117 at the other end via a second coupling 140. In detail, the input end of the first coupling 130 is connected to one of the shaft plugs 124 of the intermediate shaft 120, and the output end is connected to one end of the first stub shaft 113 away from the first wheel 114; the second coupling 140 has an input connected to the other axle plug 124 of the intermediate axle 120 and an output connected to the second axle head 117 at an end remote from the second wheel 118.
The first coupling 130 and the second coupling 140 are respectively connected with a brake disc 132 through bolts, and the brake disc 132 is used for being matched with an external brake mechanism, so that the chassis 10 of the track inspection vehicle can be fixed at a preset position on a track without sliding.
The second coupling 140 is provided with a driven gear 142, the driven gear 142 may be disposed on the second coupling 140 by adopting various structures, and in this embodiment, the driven gear 142 is integrally formed on a flange of the second coupling 140. In other embodiments, the driven gear 142 may also be sleeved on the second coupling 140 by bolts. The driven gear 142 meshes with the driving gear 152.
The driving principle and process of the driving shafting assembly 100 are as follows: the rotation shaft of the motor is driven to rotate firstly to drive the driving gear 152 to rotate, then the driving gear 152 drives the driven gear 142 to rotate, then the driven gear 142 drives the second coupling 140 to rotate, thereby driving the intermediate shaft 120 to rotate, then two ends of the intermediate shaft 120 respectively drive the first shaft head 113 and the second shaft head 117 to rotate, and finally the first shaft head 113 and the second shaft head 117 respectively drive the first wheel 114 and the second wheel 118 to rotate, thereby providing power for the running of the chassis 10 of the track inspection vehicle.
The driving shafting assembly 100 has the characteristics of compact structure and high integration degree, and the driving and braking executive components of the track inspection vehicle chassis 10 are integrated on the driving shafting assembly 100, so that the installation accuracy can be improved, the disassembly and assembly workload can be reduced, the speed of the track inspection vehicle chassis 10 in the upper and lower channels can be improved, and the track inspection vehicle chassis 10 is more convenient to use and maintain.
Fig. 10 is a schematic structural diagram of a frame assembly 300 according to an embodiment of the present invention, referring to fig. 10, the frame assembly 300 may include a frame 310, a bottom plate 320, and a driven shaft assembly 330. The frame 310 is formed by welding a plurality of square tubes to each other and has a substantially rectangular frame structure. Two positioning holes and four connecting holes are arranged on the long square frame structure. Two first reinforcing ribs 312 and two second reinforcing ribs 314 are arranged in the rectangular frame structure, the two first reinforcing ribs 312 are parallel to each other and extend along the width direction of the frame 310, two ends of each first reinforcing rib 312 are connected to the inner wall of the frame 310 respectively, the two second reinforcing ribs 314 are parallel to each other and extend along the length direction of the frame 310, and two ends of each second reinforcing rib 314 are connected to the two first reinforcing ribs 312 respectively.
The bottom plate 320 is substantially rectangular and is fixedly attached to the upper surface of the frame 310 by screws or rivets. One side of the bottom plate 320 is provided with a clearance hole. The clearance hole is generally rectangular for facilitating installation of the drive shaft assembly 100.
The driven shafting assembly 330 is disposed on one side of the bottom plate 320 far away from the avoidance hole, the driven shafting assembly 330 includes a third wheel 332 and a fourth wheel 334, the third wheel 332 and the fourth wheel 334 are respectively mounted on two ends of the corresponding sides of the frame 310, and the specific mounting manner can refer to the mounting manner of the first wheel 114 and the second wheel 118 or the mounting manner of the wheels in the prior art, which is not described herein again.
The driven shafting assembly 330 further includes an anti-tilting structure 170, the anti-tilting structure 170 is disposed behind the third wheel 332 and the fourth wheel 334 along the traveling direction of the chassis 10 of the track inspection vehicle, and the specific structural form and working principle of the anti-tilting structure 170 are referred to the anti-tilting structure 170 in the driving shafting assembly 100, which is not described herein.
The connecting device 200 is used for connecting the driving shaft assembly 100 and the frame assembly 300, and can take different structural forms according to requirements. Fig. 11 is a schematic structural diagram of a connection device 200 according to an embodiment of the present invention, and fig. 12 is a schematic structural diagram of another view of the connection device 200 according to an embodiment of the present invention, referring to fig. 11-12, in which the connection device 200 includes a handle assembly 210, a connection seat 220 and a positioning pin 230.
The handle assembly 210 includes, among other things, a T-shaped connector 214, a pin 213, a handle 212, a first flat washer 216, a second flat washer 217, and a butterfly washer 218. The T-shaped connector 214 includes a lock 2144 and a link 2142, where the link 2142 is cylindrical and has one end connected to the lock 2144 and the other end connected to the pin 213, and the axis of the pin 213 is perpendicular to the length direction of the link 2142. The handle 212 includes a handle body 2122 and two cam heads 2124, wherein the handle body 2122 is substantially elongated, and the two cam heads 2124 are disposed at intervals and are respectively connected to one end of the handle body 2122. The two cam heads 2124 are rotatably connected to the pin 213 about the axis of the pin 213, respectively, and the two cam heads 2124 are located on both sides of the link 2142, respectively.
Fig. 13 is a schematic structural diagram of a handle 212 according to an embodiment of the present invention, referring to fig. 13, an outer wall of each cam head 2124 is provided with a pressing surface 2124b and a loosening surface 2124a, and a distance H2 between the pressing surface 2124b and an axis of the pin 213 is greater than a distance H1 between the loosening surface 2124a and the axis of the pin 213. In this embodiment, the pressing surface 2124b and the loosening surface 2124a are both planar and perpendicular to each other to ensure the pressing effect. The compression face 2124b and the release face 2124a are coupled by an arcuate surface such that the cam head 2124 rotates to change the position of the compression face 2124b and the release face 2124a relative to the pin 213. It should be noted that, in other embodiments, the pressing surface 2124b and the loosening surface 2124a may have other shapes, such as cambered surfaces.
The first flat washer 216, the second flat washer 217 and the butterfly washer 218 are all sleeved on the connecting rod 2142, and the second flat washer 217, the butterfly washer 218 and the first flat washer 216 are sequentially arranged along the direction from the lock head 2144 to the cam head 2124. The provision of two flat washers and butterfly washer 218 may effectively enhance the compression of cam head 2124.
The handle assembly 210 may be provided in plurality to enhance the compression effect. In this embodiment, four handle assemblies 210 are provided, and the four handle assemblies 210 are respectively in one-to-one correspondence with the four connecting holes. In other embodiments, the handle assembly 210 may be two, three or five, as determined by the actual requirements.
In this embodiment, the connecting seats 220 are provided with four through holes 119 respectively welded in the four mounting holes of the driving frame 110 so as to correspond to the four handle assemblies 210 one by one. Fig. 14 is a schematic structural diagram of a connection seat 220 according to an embodiment of the present invention, referring to fig. 14, each connection seat 220 is provided with a kidney-shaped through hole 222 and a kidney-shaped blind hole 224 which are mutually communicated, and an included angle is formed between the length direction of the kidney-shaped through hole 222 and the length direction of the kidney-shaped blind hole 224, in this embodiment, the length directions of the kidney-shaped blind hole 224 and the kidney-shaped through hole 222 are mutually perpendicular, i.e. the included angle between the length directions of the kidney-shaped through hole and the kidney-shaped blind hole is 90 °. In other embodiments, the length directions of the kidney-shaped blind hole 224 and the kidney-shaped through hole 222 may be other than perpendicular, i.e., have an included angle of less than 90 °. The kidney-shaped through hole 222 is sized larger than the lock 2144 so that the lock 2144 can enter the kidney-shaped through hole 222; the size of the kidney-shaped through hole 222 is larger than that of the connecting rod 2142, so that the connecting rod 2142 can enter the kidney-shaped through hole 222, each connecting seat 220 is fixedly connected (e.g. welded) to the driving frame 110 of the driving shaft assembly 100, and one side of each connecting seat 220 away from the kidney-shaped blind hole 224 is higher than the kidney-shaped blind hole 224 (i.e. the kidney-shaped blind hole 224 faces towards the lower side of the driving frame 110).
The lock 2144 can pass through the frame assembly 300 from above the frame assembly 300, then extend into the kidney-shaped through hole 222 from one side of the connecting seat 220 away from the kidney-shaped blind hole 224, rotate around the length direction of the connecting rod 2142 by a preset angle, and then enter the kidney-shaped blind hole 224, and at this time, the bottom wall of the kidney-shaped blind hole 224 can block the lock 2144, so that the lock 2144 cannot be separated from the connecting seat 220. The specific value of the "preset angle" depends on the included angle between the length directions of the kidney-shaped blind hole 224 and the kidney-shaped through hole 222, and in this embodiment, the preset angle is 90 ° because the length directions of the kidney-shaped blind hole 224 and the kidney-shaped through hole 222 are perpendicular to each other. In other embodiments, when the length directions of the kidney-shaped blind hole 224 and the kidney-shaped through hole 222 are not perpendicular, the predetermined angle is also changed.
In order to prevent misoperation of a user and simultaneously facilitate positioning of the rotated lock 2144, referring to fig. 13 again, positioning bosses 226 are provided on the inner wall of the kidney-shaped blind hole 224, and the two positioning bosses 226 are respectively located at two ends of the kidney-shaped blind hole 224 in the length direction. The positioning boss 226 is configured to allow the lock 2144 to rotate only in a single direction (clockwise or counterclockwise) into the kidney-shaped blind hole 224 after entering the kidney-shaped through hole 222.
When the lock 2144 is located within the kidney-shaped blind hole 224, the cam head 2124 of the attachment device 200 is capable of compressing or releasing the frame assembly 300 by rotation. When the cam head 2124 presses the frame assembly 300, the pressing surface 2124b of the cam head 2124 corresponds to the frame assembly 300 and abuts against the frame assembly 300 through the first flat washer 216, the butterfly washer 218 and the second flat washer 217, and simultaneously the lock head 2144 abuts against the bottom wall of the kidney-shaped blind hole 224; when the cam head 2124 releases the frame assembly 300, the release surface 2124a of the cam head 2124 faces the frame assembly 300 and the lock 2144 moves downward and releases the bottom wall of the kidney-shaped blind hole 224.
Referring to fig. 5, two positioning pins 230 are respectively disposed at two ends of the driving frame 110, the two positioning pins 230 are respectively engaged with the two positioning holes, and the positioning pins 230 are used for positioning when the driving axle assembly 100 and the frame assembly 300 are connected.
The working principle and process of the present connection device 200 are as follows:
when the drive shaft assembly 100 and the frame assembly 300 need to be connected, firstly, one side of the frame 310 away from the driven shaft assembly 330 is placed on the upper surface of the drive frame 110 of the drive shaft assembly 100, and when the drive shaft assembly is placed, attention is paid to enabling two positioning pins 230 on the drive frame 110 to be respectively in plug-in fit with two positioning holes on the frame 310 so as to determine the relative positions of the drive shaft assembly 100 and the frame assembly 300, and at the moment, four connecting holes on the frame 310 are in one-to-one correspondence with four connecting seats 220 on the drive frame 110.
Then, the lock head 2144 of one handle assembly 210 is inserted into the kidney-shaped through hole 222 of the corresponding connecting seat 220 after passing through one connecting hole of the frame assembly 300 from above the frame assembly 300, and then the lock head 2144 is rotated 90 ° around the length direction of the connecting rod 2142, so that the lock head 2144 enters the kidney-shaped blind hole 224, at this time, the second flat washer 217 is supported on the upper surface of the frame assembly 300, the butterfly washer 218 is in a natural state, and the loosening surface 2124a of the cam head 2124 corresponds to the upper surface of the frame assembly 300.
The handle 212 is then rotated such that the compression face 2124b of the cam head 2124 rotates to a position corresponding to the carriage assembly 300 and compresses the upper surface of the carriage assembly 300 via the butterfly washer 218 and the two flat washers, at which time the butterfly washer 218 is in a compressed state and the lock head 2144 is urged against the bottom wall of the kidney-shaped blind hole 224. This achieves a preliminary connection of the drive shaft assembly 100 and the frame assembly 300. Finally, the remaining three handle assemblies 210 are installed in the same manner to complete the complete connection of the drive axle assembly 100 and the frame assembly 300.
When the drive shaft assembly 100 and the frame assembly 300 need to be disassembled, firstly, the handle 212 of one handle assembly 210 is rotated to enable the pressing surface 2124b of the corresponding cam head 2124 to release the frame assembly 300, and the releasing surface 2124a corresponds to the frame assembly 300, so that the cam head 2124 releases the frame assembly 300; then the corresponding lock 2144 is rotated 90 ° to disengage from the kidney-shaped blind hole 224 and enter the kidney-shaped through hole 222; the lock 2144 is then disengaged from the kidney-shaped through hole 222 and then passed through the corresponding attachment hole, thereby exiting the frame assembly 300. Finally, the remaining three handle assemblies 210 are removed in the same manner to complete the removal of the drive shaft assembly 100 and the frame assembly 300.
Through the above assembly and disassembly processes, the whole operation process is very simple and convenient no matter connection or disassembly, so the connection device 200 can realize the quick connection and disassembly of the driving shafting assembly 100 and the frame assembly 300 of the track inspection vehicle chassis 10, thereby improving the efficiency of the track inspection vehicle chassis 10 in mounting and dismounting the track and simultaneously facilitating the use and maintenance of the track inspection vehicle chassis 10.
It should be noted that, in other embodiments, the connection device 200 may take other forms, such as a plurality of bolts, and the driving axle assembly 100 and the frame assembly 300 are connected by a plurality of bolts.
The track inspection vehicle chassis 10 comprises a driving shaft system assembly 100, a frame assembly 300 and a connecting device 200, wherein the driving shaft system assembly 100 and the frame assembly 300 can be quickly connected or detached through the connecting device 200, and the track inspection vehicle chassis 10 can be quickly moved up and down along with convenient use and maintenance due to the compact structure of the driving shaft system assembly 100 and high integration degree.
Finally, it should also be noted that the track inspection vehicle chassis 10 is mainly used for a small track inspection vehicle, so that a person can manually lift the track inspection vehicle chassis onto or off the track.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a drive shafting assembly (100) for provide power that advances for track inspection car chassis (10), its characterized in that includes drive frame (110), first bearing frame (111), two first bearings (112), first wheel (114), first spindle nose (113), second bearing frame (115), two second bearing frames (116), second wheel (118), second spindle nose (117), first shaft coupling (130), second shaft coupling (140) and jackshaft (120), be provided with power structure (150) on drive frame (110), the output shaft of power structure (150) has driving gear (152), first bearing frame (111) with second bearing frame (115) set up relatively in the both ends of drive frame (110), two first bearings (112) are along the length direction interval of first bearing frame (111), two second bearing frames (116) set up in second bearing frame (115) along the length direction interval of second bearing frame (115), first bearing frame (113) are in order that first bearing frame (113) can rotate in one and first bearing frame (111) are rotated in the bearing frame's of first bearing frame (112), the first axle head (113) is far away from one end of the driving frame (110) and extends out of the first bearing seat (111) to form a first wheel installation part, the first wheel (114) is fixedly connected with the first wheel installation part, the second axle head (117) is rotatably installed at the other end of the driving frame (110) far away from the first axle head (113) around the axis of the second axle head, the second axle head (117) is supported on the second bearing seat (115) and is in rotary fit with the inner rings of the two second bearings (116), one end of the second axle head (117) far away from the driving frame (110) and extends out of the second bearing seat (115) to form a second wheel installation part, the second wheel (118) is fixedly connected with the second wheel installation part, one end of the intermediate axle (120) is connected with the first axle head (113) through the first coupler (130), the other end of the intermediate axle (120) is connected with the second axle head (117) through the second coupler (140), the second axle coupler (117) is provided with a driven gear (142) and the driven gear (142) can rotate, and the driven gear (142) can rotate around the driven gear (150), thereby driving the intermediate shaft (120) to rotate, the intermediate shaft (120) can drive the first axle head (113) and the second axle head (117) to rotate, thereby driving the first wheel (114) and the second wheel (118) to rotate.
2. The drive shafting assembly (100) of claim 1, wherein the drive rack (110) is provided with a stone sweeping structure (160) for cleaning stones on a track, the stone sweeping structure (160) being located in front of the first wheel (114) and the second wheel (118) along a direction of travel of the track inspection vehicle chassis (10).
3. The drive shafting assembly (100) of claim 2, wherein the stone sweeping structure (160) comprises two first angle steels (162) and two sweepers (164), the two first angle steels (162) are respectively and fixedly connected to two ends of the drive frame (110), the two sweepers (164) are made of rubber and are in a sheet-shaped structure, and top ends of the two sweepers (164) are respectively and fixedly connected to the two first angle steels (162).
4. The drive shafting assembly (100) of claim 1, wherein the drive rack (110) is provided with an anti-roll structure (170) for preventing rollover of the rail inspection vehicle chassis (10), the anti-roll structure (170) being located rearward of the first wheel (114) and the second wheel (118) along a direction of travel of the rail inspection vehicle chassis (10).
5. The drive shafting assembly (100) of claim 4, wherein the anti-tilting structure (170) includes two second angle steels (172) and two supporting blocks (174), the two second angle steels (172) are respectively disposed at two ends of the driving frame (110), the two supporting blocks (174) are all L-shaped and include a first supporting portion (1741) and a second supporting portion (1742) that are mutually perpendicular and connected, one ends of the two first supporting portions (1741) away from the corresponding second supporting portions (1742) are respectively fixedly connected with the two second angle steels (172), and the two second supporting portions (1742) extend to the lower portion of the driving frame (110) respectively.
6. The drive shafting assembly (100) of claim 1, wherein the first coupling (130) and the second coupling (140) are each bolted to a brake disc (132).
7. The drive shaft assembly (100) of any of claims 1-6, wherein the first wheel (114) and the second wheel (118) each have a spoke-type structure and include a wheel core (1142) and a coating layer (1144) that is coated on an outer wall of the wheel core (1142), the wheel core (1142) is made of an aluminum alloy material, and the coating layer (1144) is made of polyurethane rubber.
8. The drive shaft assembly (100) according to claim 1, wherein the intermediate shaft (120) comprises a hollow shaft (122) and two shaft plugs (124), the two shaft plugs (124) are respectively welded to two ends of the hollow shaft (122), one shaft plug (124) is connected with the first shaft head (113) through the first coupling (130), and the other shaft plug (124) is connected with the second shaft head (117) through the second coupling (140).
9. A track inspection vehicle chassis (10) comprising a frame assembly (300), a connection device (200) and the drive shafting assembly (100) of any one of claims 1-8, the frame assembly (300) and the drive shafting assembly (100) being connected by the connection device (200).
10. The track inspection vehicle chassis (10) of claim 9, wherein the frame assembly (300) comprises a frame (310), a bottom plate (320) and a driven axle assembly (330), the frame (310) is connected with a driving frame (110) of the driving axle assembly (100) through a connecting device (200), the bottom plate (320) is fixedly mounted on an upper surface of the frame (310), the driven axle assembly (330) comprises a third wheel (332) and a fourth wheel (334), and the third wheel (332) and the fourth wheel (334) are respectively mounted on the frame (310).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711471569.6A CN107972684B (en) | 2017-12-29 | 2017-12-29 | Driving shafting assembly and track inspection vehicle chassis |
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| CN201711471569.6A CN107972684B (en) | 2017-12-29 | 2017-12-29 | Driving shafting assembly and track inspection vehicle chassis |
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| CN107972684B true CN107972684B (en) | 2023-12-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466549A (en) * | 2018-05-09 | 2019-11-19 | 兰州交通大学 | A kind of multifunction railway detection vehicle |
| CN111267884B (en) * | 2020-03-03 | 2021-04-27 | 成都圭目机器人有限公司 | Tunnel track inspection robot's mechanism of marcing |
| CN116729329B (en) * | 2023-08-09 | 2023-10-31 | 广东省公路建设有限公司湾区特大桥养护技术中心 | Chassis of inspection vehicle, inspection vehicle and inspection method |
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| CN107972684A (en) | 2018-05-01 |
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