CN112297729A - Rail guide device for road-rail vehicle - Google Patents
Rail guide device for road-rail vehicle Download PDFInfo
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- CN112297729A CN112297729A CN202011288162.1A CN202011288162A CN112297729A CN 112297729 A CN112297729 A CN 112297729A CN 202011288162 A CN202011288162 A CN 202011288162A CN 112297729 A CN112297729 A CN 112297729A
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- 230000000712 assembly Effects 0.000 claims abstract description 23
- 238000000429 assembly Methods 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000010720 hydraulic oil Substances 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 241000227287 Elliottia pyroliflora Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F1/00—Vehicles for use both on rail and on road; Conversions therefor
- B60F1/005—Vehicles for use both on rail and on road; Conversions therefor with guiding elements keeping the road wheels on the rails
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Abstract
本发明涉及牵引调车设备技术领域，具体涉及一种公铁两用车轨道导向装置。包括若干个导向组件，每个导向组件包括若干个铰座组件、主梁总装及副梁总装；铰座组件固定安装在车体上，铰座组件与所述副梁总装之间铰接液压油缸，副梁总装中部与主梁总装中部铰接，主梁总装可绕副梁总装中心摆动，主梁总装两端分别装配导向轮。其通过主、副梁间铰轴配置，避免了因车体轴荷转移、侧倾，保证该公路、铁路两用车在钢轨上行走，确保列车安全。
The invention relates to the technical field of traction and shunting equipment, in particular to a rail guide device for a road-rail dual-purpose vehicle. It includes several guide assemblies, each guide assembly includes several hinge base assemblies, main beam assembly and sub beam assembly; The middle part of the sub-beam assembly is hinged with the middle part of the main girder assembly, the main girder assembly can swing around the center of the sub-beam assembly, and the two ends of the main girder assembly are respectively equipped with guide wheels. Through the configuration of the hinge shaft between the main and auxiliary beams, it avoids the transfer of the axle load and the roll of the car body, and ensures that the road and railway dual-purpose vehicle walks on the rails and ensures the safety of the train.
Description
Technical Field
The invention relates to the technical field of traction shunting equipment, in particular to a rail guide device of a rail of a road-rail dual-purpose vehicle.
Background
The current common road and railway dual-purpose vehicle can run on a standard rail line of a road and a railway, and can meet the use requirements of traction shunting operation of high-speed motor cars, subway vehicles, city-scale vehicles, intercity motor cars, high-power locomotives and the like. The rail guide device is a necessary and key device for the rail of the dual-purpose vehicle for the highway and the railway to run, and the rail guide device which pursues safety, maturity and reliability becomes the first choice of the design of the dual-purpose vehicle for the highway and the railway along with the construction and the development of cities. The prior track guide device is difficult to meet the requirements of the track traction safety of a highway and railway dual-purpose vehicle and the reliability and adaptability of the running and traction of the rail vehicle under different track working conditions.
Disclosure of Invention
In view of the defects of the prior art, the invention provides a rail guide device for a combined road and railway vehicle, which avoids the load transfer and the side inclination caused by the axle load of a vehicle body through the arrangement of a hinge shaft between a main beam and a secondary beam, ensures the combined road and railway vehicle to run on a steel rail and ensures the safety of a train.
In order to achieve the purpose, the invention provides a rail guide device of a rail of a road-rail vehicle, which comprises a plurality of guide assemblies, wherein each guide assembly comprises a plurality of hinged support assemblies, a main beam assembly and an auxiliary beam assembly;
the hinge seat assembly is fixedly installed on the vehicle body, the hydraulic oil cylinder is hinged between the hinge seat assembly and the auxiliary beam assembly, the middle part of the auxiliary beam assembly is hinged with the middle part of the main beam assembly, the main beam assembly can swing around the center of the auxiliary beam assembly, and guide wheels are respectively assembled at two ends of the main beam assembly.
Further, a fixed shaft is arranged in the middle of the auxiliary beam assembly, and a self-lubricating copper sleeve in the middle of the main beam assembly is hinged to the fixed shaft; and two ends of the secondary beam assembly are respectively provided with a limiting shaft, the limiting shafts penetrate through limiting holes formed in two ends of the main beam assembly, and the limiting shafts limit the swinging angle of the main beam assembly.
Preferably, the swing angle is 6 °.
Based on the technical scheme, the main beam assembly and the auxiliary beam assembly of the track guide device adopt a steel plate integral welding structure; hydraulic energy is used as a power source, and lifting power is provided for the track guide device through a hinged hydraulic oil cylinder; the hydraulic oil cylinder is hinged with an auxiliary beam assembly room pin shaft fixed on the vehicle body, and the conversion of road condition driving of highway and railway traction is realized through the lifting of the guide wheel; through the arrangement of the hinge shaft between the main beam assembly and the auxiliary beam assembly, the axle load transfer and the side inclination of the vehicle body are avoided, the road and railway dual-purpose vehicle is ensured to walk on the steel rail, and the safety of the train is ensured.
Further, the shafts at the two ends of the main beam assembly are symmetrically provided with two groups of guide wheels, when the guide wheels move to a working point along the hydraulic oil cylinder, the guide wheels roll along the upper tread of the steel rail and the flanges of the guide wheels slide along the inner side of the rail head of the steel rail in a guiding and limiting manner.
Based on the technical scheme, the guide wheel rim is arranged to guide, limit and slide along the inner side of the rail head of the steel rail, so that the tractor is prevented from turning on one side.
Further, the hinged support assembly comprises a lower hinged support assembly and an upper hinged support assembly, the lower hinged support assembly and the upper hinged support assembly are fixedly connected to the vehicle body, and a hydraulic oil cylinder is hinged between the auxiliary beam assembly and the upper hinged support assembly; one end of the lower hinged support assembly is hinged with the auxiliary beam assembly, and the other end of the lower hinged support assembly is fixedly connected to the vehicle body.
Preferably, each guide assembly comprises two hinge seat assemblies, a main beam assembly and a secondary beam assembly, and the two hinge seat assemblies are symmetrically arranged on two sides of the secondary beam assembly.
Based on above-mentioned technical scheme, set up the free bearing subassembly of two symmetries for whole guider operates more steadily.
Preferably, the number of the guide assemblies is two, and the two guide assemblies are respectively arranged at the front end and the rear end of the vehicle body.
Based on the technical scheme, the front end of the vehicle body and the rear end of the vehicle body are respectively provided with the guide assembly, the guide wheels on two sides of each guide device roll along the upper tread of the steel rail and the flanges of the guide wheels guide and slide along the inner side of the rail head of the steel rail in a limiting manner, so that the vehicle body can run more stably.
Furthermore, the rail guide device of the rail-bound vehicle also comprises a plurality of manual limiting devices and a base plate; the manual limiting device comprises a bottom plate fixedly connected with the vehicle body, a guide rod capable of moving up and down in the bottom plate, a locking piece capable of locking the relative position of the guide rod and the bottom plate, and a pressure head connected with the bottom of the guide rod; the backing plate is fixed on the auxiliary beam assembly and corresponds to the pressure head in position.
Further, rail guide device for the combined rail car for the highway and railway further comprises a lower mechanical limit, and the lower mechanical limit is installed on the auxiliary beam assembly.
Furthermore, the bottom plate is fixed on the vehicle body by adopting hexagon socket head cap screws, a sliding sleeve structure is arranged on the bottom plate, a plurality of transverse sliding grooves and a longitudinal sliding groove penetrating through the transverse sliding grooves are formed in the sliding sleeve, the sliding sleeve is hinged with a baffle, the guide rod comprises a longitudinal guide rod part and a transverse guide rod part, and the transverse guide rod part is limited in one transverse sliding groove by the baffle.
Furthermore, the bottom of the guide rod is connected with the pressure head through a hexagon nut, and the position of the pressure head can be finely adjusted by adjusting the hexagon nut.
Based on the technical scheme, the track guide device is provided with a manual limiting device and a lower mechanical limiting device under the mode of saving traction power, and the manual limiting device and the lower mechanical limiting device are adjusting devices of the lifting position of the track guide device.
On the one hand, the bottom plate assembly of the manual limiting device is fixed on the vehicle body, the guide rod of the manual limiting device can move up and down in the bottom plate assembly, the guide rod, the hexagon nut and the pressure head are fixedly connected through threads, the position of a lower dead point of the manual limiting device can be finely adjusted by adjusting the hexagon nut, the locking baffle plate is rotated to lock the displacement of the guide rod, and the pressure head of the manual limiting device is in clearance connection with the base plate of the auxiliary beam.
On the other hand, the lower mechanical limit is connected with the auxiliary beam by a pin shaft, and the vehicle body is in clearance connection with a screw and a nut on the upper part of the mechanical limit. The descending distance of the auxiliary beam can be adjusted by adjusting the position between the upper nut and the screw rod for lower mechanical limit. The lower dead point of the track guide device is mechanically limited, so that the derailment accident of the track guide device can be effectively prevented.
Furthermore, a sensor target plate is installed on the secondary beam assembly.
The hydraulic system of the track guide device can be designed into two modes according to the needs of users:
1) the hydraulic system uses an unloading loop of an energy accumulator to ensure that an execution hydraulic cylinder keeps a certain positive pressure on a steel rail through a guide wheel and prevent the rail derailment of the combined car and railway (an electric control system is provided with a top dead center target plate);
2) the hydraulic system (without an energy accumulator) has no function of maintaining system pressure (saving traction power), and the execution hydraulic cylinder keeps a distance of 3mm from the upper tread of the steel rail through the rim of the guide wheel (the upper and lower dead points of the rail guide device are mechanically limited, and the electric control system is provided with the upper and lower dead points of the target plate to implement mechanical and electric control limitation).
The invention has the beneficial effects that: the rail guide device for the road and railway convertible vehicle can effectively improve the trafficability, the anti-roll performance and the adaptability of the rail during curve running, ensure the running safety of the vehicle, complete the conversion of two operations of the road and the rail, and adapt to the use requirements of two modes of a hydraulic system in a rail running state.
Drawings
FIG. 1 is a three-dimensional schematic view of a rail guide device provided with a road and railway convertible vehicle;
FIG. 2 is a (forward) three-dimensional block diagram of a track guide;
FIG. 3 is a (back) three-dimensional block diagram of a track guide;
FIG. 4 is a side view of the track guide;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is a three-dimensional block diagram of the main beam (forward direction) of the track guide;
FIG. 7 is an enlarged view of a portion of the T position of FIG. 6;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 6;
FIG. 9 is a three-dimensional block diagram of the main beam (back) of the track guide;
FIG. 10 is a partial cross-sectional view of one side of a main beam of the track guide;
FIG. 11 is a sectional view of the guide wheel assembly;
FIG. 12 is a three-dimensional view of a secondary beam (forward) of the track guide;
FIG. 13 is an enlarged view of a portion of the V position of FIG. 12;
FIG. 14 is a three-dimensional block diagram of a secondary beam (back-to-back) of the track guide;
FIG. 15 is an enlarged view of a portion of the location W in FIG. 14;
FIG. 16 is a three-dimensional structure of a manual spacing device;
in the figure: 1. the device comprises a rail, 2, a welded vehicle body, 3, a guide wheel, 3.1, a rail wheel, 3.2, a rolling bearing, 3.3, a spacer bush, 3.4, a round nut, 3.5, a round nut stop washer, 4, a main beam assembly, 4.1, a shaft assembly, 4.2, an internal thread cylindrical pin, 4.3 self-lubricating copper bush, 5, a hydraulic oil cylinder, 6, a secondary beam assembly, 6.1, M30 x 2 hexagonal slotted nuts, 6.2, a base plate, 6.3, M24 x 2 hexagonal slotted nuts, 7, a lower hinged support assembly, 8, an upper hinged support assembly, 9, a manual limiting device, 9.1, M12 inner hexagonal bolts, 9.2, a guide rod, 9.3, a baffle plate, 9.4, a bottom plate assembly, 9.5, M30 hexagonal nuts, 9.6, a pressure head, 10, a sensor displacement stop target plate, 11 and a lower mechanical stop target.
Detailed Description
The invention is further illustrated by the following figures and examples.
Example 1
The rail guide device of the rail-road vehicle comprises a plurality of guide assemblies, wherein each guide assembly comprises a plurality of hinged support assemblies, a main beam assembly 4 and an auxiliary beam assembly 6;
the hinged support component is fixedly arranged on a welding vehicle body 2 provided with a driving wheel, a hydraulic oil cylinder 5 is hinged between the hinged support component and the auxiliary beam assembly 6, the middle part of the auxiliary beam assembly 6 is hinged with the middle part of a main beam assembly 4, the main beam assembly 4 can swing around the center of the auxiliary beam assembly 6, and two ends of the main beam assembly 4 are respectively provided with a guide wheel 3.
Further, a fixed shaft is arranged in the middle of the auxiliary beam assembly 6, and a self-lubricating copper sleeve 4.3 in the middle of the main beam assembly 4 is hinged to the fixed shaft; and two ends of the auxiliary beam assembly 6 are respectively provided with a limiting shaft, the limiting shafts penetrate through limiting holes formed in two ends of the main beam assembly, and the limiting shafts limit the swinging angle of the main beam assembly 4.
Preferably, the swing angle is 6 °.
Further, the two ends of the main beam assembly 4 are symmetrically provided with two groups of guide wheels 3 through shaft assemblies, when the guide wheels 3 move downwards to a working point along the hydraulic oil cylinder 5, the guide wheels 3 roll along the upper tread of the steel rail and the flanges of the guide wheels slide along the inner side of the rail head of the steel rail in a guiding and limiting manner.
Further, the free bearing assembly comprises a lower free bearing assembly 7 and an upper free bearing assembly 8, the lower free bearing assembly 7 and the upper free bearing assembly 8 are fixedly connected to the vehicle body, and a hydraulic oil cylinder 5 is hinged between the auxiliary beam assembly 6 and the upper free bearing assembly 8; one end of the lower hinged support assembly 7 is hinged with the auxiliary beam assembly 6, and the other end is fixedly connected to the vehicle body.
Preferably, each guide assembly comprises two hinge seat assemblies, a main beam assembly 4 and a secondary beam assembly 6, and the two hinge seat assemblies are symmetrically arranged on two sides of the secondary beam assembly 6.
Preferably, the number of the guide assemblies is two, and the two guide assemblies are respectively arranged at the front end and the rear end of the vehicle body.
Further, the rail guide device of the rail-road-rail dual-purpose vehicle further comprises a plurality of manual limiting devices 9 and a base plate; the manual limiting device comprises a bottom plate assembly 9.4 fixedly connected with the vehicle body, a guide rod capable of moving up and down in the bottom plate assembly 9.4, a locking piece capable of locking the 9.4 opposite position of the guide rod and the bottom plate assembly, and a pressure head connected with the bottom of the guide rod; the backing plate is fixed on the auxiliary beam assembly and corresponds to the pressure head in position.
Further, rail guide device of the combined rail vehicle for road and railway further comprises a lower mechanical limit 11, and a lower mechanical limit 10 is installed on the secondary beam assembly 6.
Preferably, the bottom plate is composed 9.4 and is fixed on the vehicle body by adopting hexagon socket head cap screws, a sliding sleeve structure is arranged on the bottom plate 9.4, a plurality of transverse sliding grooves and a longitudinal sliding groove penetrating through the transverse sliding grooves are formed in the sliding sleeve, a baffle 9.3 is hinged on the sliding sleeve, the guide rod 9.2 comprises a longitudinal guide rod part and a transverse guide rod part, and the transverse guide rod part is limited in one transverse sliding groove by the baffle 9.3.
Furthermore, the bottom of the guide rod 9.2 is connected with the pressure head 9.6 through an M30 hexagon nut 9.5, and the position of the pressure head can be finely adjusted by adjusting the M30 hexagon nut 9.5.
Further, a sensor target plate 10 is mounted on the secondary beam assembly 6.
Example 2
As shown in fig. 1-5, the rail guide device for the combined highway and railway vehicle is shown in the installation and structural view, wherein two pairs of lower hinge base assemblies 7 and upper hinge base assemblies 8 are fixed on the front and back of a welding vehicle body 2 provided with a driving wheel through bolts, and two groups of rail guide devices (two groups of manual limiting devices 9 are fixed on the front and back symmetrical bolts of the welding vehicle body 2) are installed on the front and back of the welding vehicle body through hinges.
As shown in fig. 12-15, two groups of hydraulic cylinders 5 are symmetrically hinged between a secondary beam assembly 6 and an upper hinge base assembly 8 of the rail guide device, a main beam assembly 4 is hinged to the secondary beam assembly 6 through a lubricated copper bush 4.3, and limiting shafts at two ends of the secondary beam assembly 6 are limited and fixed on the main beam assembly 4 through M24 multiplied by 2 hexagonal slotted nuts 6.3. And a sensor target plate 10 and a lower mechanical limit 11 are arranged on the secondary beam assembly 6.
The rail guide device of the road and railway convertible vehicle utilizes the expansion of a piston rod of a hydraulic oil cylinder 5 to meet the conversion of road and railway convertible vehicle operation and rail operation. The hydraulic system of the track guide device can be designed into two modes according to the needs of users:
1) the hydraulic system uses an energy accumulator to maintain a pressure loop (an automatic adjustment mode of a track guide device), so that an execution hydraulic oil cylinder 5 is ensured to always maintain a certain rolling positive pressure on a steel rail 1 tread through a guide wheel 3, and derailment of the rail-road dual-purpose vehicle is prevented (the track guide device is provided with an upper stop target plate of an electric control system);
2) the hydraulic system (without an accumulator) executes the function (a traction power saving mode), and the executing hydraulic oil cylinder 5 keeps a distance of 3mm from the upper tread of the steel rail 1 through the rim of the guide wheel 3. The track guiding device is provided with a top dead center mechanical limit (a manual limit device 9) and a bottom dead center mechanical limit (a lower mechanical limit 11), an electric control system top dead center target plate and a bottom dead center target plate, namely a sensor displacement dead center target plate 10.
According to the requirements of two modes of a hydraulic system of the guide device, the structure of the main beam assembly 4 is a steel plate forming welding structure, and shafts at two ends of the main beam assembly 4 form 4.1 and are symmetrically assembled with two groups of guide wheels 3. When the guide wheel 3 moves downwards to a working point along the hydraulic oil cylinder 5, the guide wheel 3 rolls along the upper tread of the steel rail 1 to run (or moves relatively), and the rim of the guide wheel 3 slides along the inner side of the rail head of the steel rail 1 in a guiding and limiting way to ensure that the tractor does not turn on one side.
The main beam assembly 4 is hinged to a middle fixed shaft of the auxiliary beam assembly 6 through a self-lubricating copper sleeve 4.3, and the main beam assembly 4 can swing (vertically) for 6 degrees around the middle fixed shaft of the auxiliary beam assembly 6; the main beam assembly 4 is assembled in a limiting way through the end face clearance of M24 multiplied by 2 hexagonal slotted nuts 6.3 by limiting shafts at two ends of the auxiliary beam assembly 6 (when the main beam assembly 4 and the auxiliary beam assembly 6 are adjusted and fixed under a traction power saving mode of the track guide device, the internal thread cylindrical pin 4.2 can be used as mechanical positioning connection between the two.
The structure of the secondary beam assembly 6 is a steel plate forming welding structure, as shown in figures 12-15, the secondary beam assembly 6 is hinged to two pairs of lower hinge base assemblies 7 on the bolt fixing welding vehicle body 2 and two groups of hydraulic oil cylinders 5 which are symmetrically arranged. When a piston rod of the hydraulic oil cylinder 5 drives the main beam assembly 4, the auxiliary beam assembly 6 and the guide wheel 3 to rotate around the pin shaft of the lower hinged support assembly 7, the rail guide device realizes the conversion of the highway mode and the rail mode.
The structure of the manual position-limiting device 9 is shown in fig. 6, and a bottom plate assembly 9.4 of the manual position-limiting device 9 is connected to the welded vehicle body 2 by a hexagon socket head cap screw M12 hexagon socket head cap screw 9.1. The guide rod 9.2 of the manual limiting device 9 can move up and down in the bottom plate assembly 9.4 (the guide rod 9.2, the M30 hexagonal nut 9.5 and the pressure head 9.6 are fixedly connected through threads, the lower dead center position of the manual limiting device 9 can be finely adjusted by adjusting the M30 hexagonal nut 9.5), when the auxiliary beam assembly 6 of the track guiding device moves down to a specified position, the guide rod 9.2 can move down through manual displacement, the locking baffle 9.3 can be rotated to limit the displacement of the guide rod 9.2, the pressure head 9.6 of the manual limiting device 9 is in clearance connection with the backing plate 6.2 of the auxiliary beam assembly 6, the lower dead center mechanical limiting of the track guiding device is completed, and the derailment accident of the track guiding device can be further prevented.
The structure of the lower mechanical limit 11 is shown in fig. 12 and 13, the lower mechanical limit 11 is connected with the secondary beam assembly 6 by a pin shaft, and the welding vehicle body 2 is in clearance connection with a screw and a nut on the upper part of the mechanical limit 11. The descending distance of the sub-beam assembly 6 can be adjusted by adjusting the position between the upper nut and the screw of the lower mechanical limit 11.
The beneficial effects of this embodiment: 1. the lifting of the guide wheel of the guide device realizes the conversion of two operations of a road and a track; 2. the guide wheels of the track guide device are controlled by the hydraulic oil cylinder power to ensure that the tractor can run stably and safely without deviating and turning over; 3. the manual limiting device, the mechanical limiting device and the sensor target plate are arranged, so that the working step conversion precision and safety of the track guiding device can be effectively controlled; 4. the reliability and the adaptability of the track curve running are effectively improved, and the problems that the guide wheel at one side is suspended and lifted laterally due to the axle load transfer and the lateral inclination of the vehicle body are solved.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (10)
1. Rail guide device of a rail for road-rail vehicles, which is characterized in that: the device comprises a plurality of guide assemblies, wherein each guide assembly comprises a plurality of hinged support assemblies, a main beam assembly and an auxiliary beam assembly; the hinge seat assembly is fixedly installed on the vehicle body, the hydraulic oil cylinder is hinged between the hinge seat assembly and the auxiliary beam assembly, the middle part of the auxiliary beam assembly is hinged with the middle part of the main beam assembly, the main beam assembly can swing around the center of the auxiliary beam assembly, and guide wheels are respectively assembled at two ends of the main beam assembly.
2. The rail guide of claim 1, wherein: a fixed shaft is arranged in the middle of the auxiliary beam assembly, and a self-lubricating copper sleeve in the middle of the main beam assembly is hinged to the fixed shaft; and two ends of the secondary beam assembly are respectively provided with a limiting shaft, the limiting shafts penetrate through limiting holes formed in two ends of the main beam assembly, and the limiting shafts limit the swinging angle of the main beam assembly.
3. An convertible rail guide as claimed in claim 1 or 2, characterized in that: and when the guide wheels follow the hydraulic oil cylinder to move downwards to a working point, the guide wheels roll along the upper tread of the steel rail and the flanges of the guide wheels guide, limit and slide along the inner side of the rail head of the steel rail.
4. An convertible rail guide as claimed in claim 1 or 2, characterized in that: the hinged support assembly comprises a lower hinged support assembly and an upper hinged support assembly, the lower hinged support assembly and the upper hinged support assembly are fixedly connected to the vehicle body, and a hydraulic oil cylinder is hinged between the auxiliary beam assembly and the upper hinged support assembly; one end of the lower hinged support assembly is hinged with the auxiliary beam assembly, and the other end of the lower hinged support assembly is fixedly connected to the vehicle body.
5. The rail guide of claim 1, wherein: each guide assembly comprises two hinged support assemblies, a main beam assembly and an auxiliary beam assembly, and the two hinged support assemblies are symmetrically arranged on two sides of the auxiliary beam assembly.
6. The rail guide of claim 1, wherein: the two guide assemblies are respectively arranged at the front end and the rear end of the vehicle body.
7. The rail guide apparatus of any one of claims 1, 2, 5 and 6, wherein: the rail guide device of the rail-road dual-purpose vehicle further comprises a plurality of manual limiting devices and a base plate; the manual limiting device comprises a bottom plate fixedly connected with the vehicle body, a guide rod capable of moving up and down in the bottom plate, a locking piece capable of locking the relative position of the guide rod and the bottom plate, and a pressure head connected with the bottom of the guide rod; the backing plate is fixed on the auxiliary beam assembly and corresponds to the pressure head in position; the rail guide device of the road-rail dual-purpose vehicle further comprises a lower mechanical limit, and the lower mechanical limit is installed on the auxiliary beam assembly.
8. An convertible rail guide as claimed in claim 7, wherein: the bottom plate is fixed on the vehicle body by adopting hexagon socket head cap screws, a sliding sleeve structure is arranged on the bottom plate, a plurality of transverse sliding grooves and a longitudinal sliding groove penetrating through the transverse sliding grooves are formed in the sliding sleeve, the sliding sleeve is hinged with a baffle, the guide rod comprises a longitudinal guide rod part and a transverse guide rod part, and the transverse guide rod part is limited in one transverse sliding groove by the baffle.
9. An convertible rail guide as claimed in claim 7, wherein: the bottom of the guide rod is connected with the pressure head through a hexagon nut, and the position of the pressure head can be finely adjusted by adjusting the hexagon nut.
10. The rail guide of claim 1, wherein: and a sensor target plate is arranged on the secondary beam assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288162.1A CN112297729A (en) | 2020-11-17 | 2020-11-17 | Rail guide device for road-rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288162.1A CN112297729A (en) | 2020-11-17 | 2020-11-17 | Rail guide device for road-rail vehicle |
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| CN112297729A true CN112297729A (en) | 2021-02-02 |
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| CN202011288162.1A Pending CN112297729A (en) | 2020-11-17 | 2020-11-17 | Rail guide device for road-rail vehicle |
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