CN218505597U - Independent traveling system for highway and railway dual-purpose excavator and excavator thereof - Google Patents
Independent traveling system for highway and railway dual-purpose excavator and excavator thereof Download PDFInfo
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- CN218505597U CN218505597U CN202222543216.5U CN202222543216U CN218505597U CN 218505597 U CN218505597 U CN 218505597U CN 202222543216 U CN202222543216 U CN 202222543216U CN 218505597 U CN218505597 U CN 218505597U
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Abstract
The invention belongs to the technical field of braking of railway excavators, and relates to an independent traveling system for a highway-railway dual-purpose excavator and an excavator thereof, wherein the excavator comprises a driving system main body, a frame and an oil cylinder, and the driving system main body comprises a driving connecting frame, a motor fixing seat, a traveling motor, a brake disc and a driving wheel; a brake caliper is arranged on the motor fixing seat; the frame is provided with a first frame pin shaft hole and a second frame pin shaft hole; the driving connecting frame is provided with a first driving connecting frame pin shaft hole and a second driving connecting frame pin shaft hole; a first driving connecting frame pin shaft hole of the driving connecting frame is hinged with a second frame pin shaft hole at the front end of the frame, and a piston rod pin shaft hole of the oil cylinder is hinged with a first frame pin shaft hole at the front end of the frame. The braking system adopts a mode of combining service braking and parking braking, the service braking can be utilized to brake the vehicle in the working process, and the vehicle can automatically realize the parking braking when the vehicle is flamed out.
Description
Technical Field
The invention belongs to the technical field of braking of railway excavators, and relates to an independent traveling system for a highway-railway dual-purpose excavator and the excavator thereof.
Background
Along with the rapid increase of railway mileage, the labor cost is also improved continuously, and the maintenance of large-scale railways after being put into use is particularly important, in recent years, various refitted devices based on excavators are continuously appeared, and the refitted devices are divided into friction driving and hydraulic driving according to the driving mode, wherein the friction driving is low in cost but cannot realize rapid transition, and the hydraulic driving is capable of realizing rapid transition but is relatively high in cost. The existing highway-railway dual-purpose excavator driving system mainly comprises an oil cylinder, a traveling motor, a connecting bracket, an axle, a driving guide wheel, a bearing, a brake disc, a brake caliper and the like. The other driving system mainly comprises an oil cylinder, a connecting bracket, a walking motor, a driving wheel and the like. The braking mode of the existing road-railway dual-purpose excavator is divided into two modes: (1) A caliper disc brake is adopted, and a brake caliper is controlled by a brake pedal to brake; (2) The brake is performed by a wet brake built in the traveling motor, and the control is performed by pedaling.
There are two forms of hydraulic drive systems available: (1) Transmitting power to a driving wheel by using a traveling motor and a driving axle; and (2) directly driving the driving wheel by using a walking motor. The power of the 1 st driving type walking system is transmitted through a main reducer, a differential mechanism, a half shaft and other parts, the system is complex, the processing cost is high, and fault points are increased; because the respective connecting flange structural forms of the walking motor and the drive axle are different, a transition shaft is required to be added, and the cost and the failure point are also increased; the 2 nd driving mode is that a walking motor directly drives a driving wheel, and only a wet brake of the motor is used for braking, but if a brake pedal is continuously stepped on, then the temperature of lubricating oil in a cavity rises, a sealing element between a speed reducer of the motor and the wet brake is damaged, oil leakage between the two cavities is further caused, the brake is damaged, and a vehicle cannot brake; service braking and parking braking all adopt the wet brake of walking motor self-carrying, have more increased the risk that the stopper damaged.
Disclosure of Invention
In order to solve the technical problems, the invention provides the independent traveling system for the highway and railway dual-purpose excavator and the excavator thereof, wherein the braking system adopts a mode of combining service braking and parking braking, the service braking can be used for braking the vehicle in the working process, and the vehicle can automatically realize the parking braking when the vehicle is flamed out.
The technical scheme provided by the invention is as follows:
an independent traveling system for a highway-railway dual-purpose excavator comprises a driving system main body, a frame and an oil cylinder, wherein the driving system main body comprises a driving connecting frame, a motor fixing seat, a traveling motor, a brake disc and a driving wheel; a brake caliper is arranged on the motor fixing seat; the frame is provided with a first frame pin shaft hole and a second frame pin shaft hole; the driving connecting frame is provided with a first driving connecting frame pin shaft hole and a second driving connecting frame pin shaft hole; a first driving connecting frame pin shaft hole of the driving connecting frame is hinged with a second frame pin shaft hole at the front end of the frame, a piston rod pin shaft hole of the oil cylinder is hinged with a first frame pin shaft hole at the front end of the frame, and a cylinder barrel pin shaft hole of the oil cylinder is hinged with a second driving connecting frame pin shaft hole of the driving connecting frame, so that the driving connecting frame is lifted.
Furthermore, a first mounting seat, a motor fixing seat flange, a speed sensor fixing seat, a second mounting seat and a cylinder are arranged on the motor fixing seat; the first mounting seat, the motor fixing seat flange, the speed sensor fixing seat and the second mounting seat are welded together with the cylinder; a threaded hole is formed in the cylinder; connecting flanges are arranged on two sides of the driving connecting frame, and each connecting flange is provided with a spigot used for positioning when the motor fixing seat and the driving connecting frame are assembled; the motor fixing seat is assembled with the through holes of the connecting flanges at the two sides of the driving connecting frame by utilizing the threaded holes.
Furthermore, a first traveling motor flange and a second traveling motor flange are arranged on the traveling motor; a motor fixing seat flange mounting hole is formed in the motor fixing seat flange; the driving wheel is provided with a driving wheel flange; the traveling motor is assembled with a motor fixing seat flange mounting hole in a motor fixing seat flange of the motor fixing seat through a first traveling motor flange, and the driving wheel is mounted on a second traveling motor flange of the motor through a driving wheel flange.
Furthermore, the brake disc is installed in the installation hole of the driving wheel flange of the driving wheel through the brake disc installation hole.
Furthermore, the speed sensor fixing seat is used for installing a speed sensor, and the speed of the driving wheel is detected by utilizing a U-shaped hole in the brake disc.
Furthermore, the brake caliper is installed on the first installation seat of the motor fixing seat, and the service braking function of the vehicle is realized through the interaction between the brake caliper and the friction surface of the brake disc.
Furthermore, an end cover is arranged on one side of the driving wheel and is installed on the installation surface of the driving wheel to protect the walking motor and prevent external impact.
Furthermore, a baffle fixing seat is installed on the motor fixing seat, and the baffle fixing seat is connected with a baffle and used for removing sundries on the rail.
Furthermore, one side of the driving connecting frame is provided with a bundle-scraping plate, and holes of the bundle-scraping plate are connected with holes of the driving connecting frame through a chain.
The invention also provides an excavator, which comprises the independent traveling system for the highway and railway dual-purpose excavator.
Advantageous effects
The power transmission of the driving system is realized by directly driving a driving wheel by a walking motor, and the driving system belongs to a series model, has few fault points and is convenient to maintain; the braking system in the scheme adopts a mode of combining service braking and parking braking, the service braking can be utilized to brake the vehicle in the working process, and the parking braking can be automatically realized by the vehicle when the vehicle is flamed out.
The traveling part of the driving system in the utility model belongs to an assembly form, the switching of the wheel track can be realized according to the difference of the rail track gauge, the arrangement of the hinge points connected in the front and the back of the frame is completely the same, and the self-switching of two-wheel drive and four-wheel drive can be realized; the brake disc of the driving wheel is directly assembled on the driving wheel, and the structure is compact.
Drawings
FIG. 1 is a walking system assembly;
FIG. 2 is a front drive system;
FIG. 3 is a walking portion of the drive system;
FIG. 4 shows the flanges at the left and right ends of the connecting frame of the driving system;
FIG. 5 illustrates a motor mounting bracket;
FIG. 6 is a motor holder cylinder;
FIG. 7 is a drive wheel;
fig. 8 is a first brake disk.
Detailed Description
Example 1
The driving form that this technical scheme adopted is motor direct drive wheel, and the structural style of connection is simple, and the fault point is less.
The brake system of the technical scheme adopts a mode of combining service brake and parking brake, the service brake is a caliper disc type brake, each wheel has a service brake function, and the brake pedal in a cab is used for controlling; the parking brake adopts a wet brake in the motor to brake, the electromagnetic valve is used for controlling the on-off of the hydraulic oil of the wet brake when the vehicle gets off, and a control button is arranged in the cab to control the on-off of the electromagnetic valve.
The specific embodiment is as follows:
as shown in fig. 1 to 8, an independent traveling system for a road-rail dual-purpose excavator comprises a driving system main body 100, a frame 200 and an oil cylinder 300, wherein the driving system main body 100 comprises a driving connecting frame 101, a motor fixing seat 103, a traveling motor 104, a brake disc 105 and a driving wheel 106, as shown in fig. 2 and 3; the brake caliper 102 is arranged on the motor fixing seat 103, an end cover is arranged on one side of the driving wheel 106, a baffle fixing seat 109 is mounted on the motor fixing seat 103, and the baffle fixing seat 109 is connected with a baffle and used for removing sundries on a rail. One side of the driving connecting frame 101 is provided with a rake plate 110, and the rake plate 110 is connected with a hole of the driving connecting frame 101 through a chain 111.
The driving system of the present invention is symmetrical to the left and right, so that only one side of the driving system is described below, and the frame 200 is provided with a first frame pin hole 200-1 and a second frame pin hole 200-2; the driving connecting frame 101 is provided with a first driving connecting frame pin shaft hole 101-1 and a second driving connecting frame pin shaft hole 101-2; two sides of the driving connecting frame 101 are provided with connecting flanges 101-4, and the connecting flanges 101-4 are provided with seam allowances 101-4-1; the traveling motor 104 is provided with a first traveling motor flange 104-1 and a second traveling motor flange 104-2.
A first driving connecting frame pin shaft hole 101-1 of the driving connecting frame 101 is hinged with a second frame pin shaft hole 200-2 at the front end of the frame, a piston rod pin shaft hole of the oil cylinder 300 is hinged with a first frame pin shaft hole 200-1 at the front end of the frame, a cylinder barrel pin shaft hole of the oil cylinder 300 is hinged with a second driving connecting frame pin shaft hole 101-2 of the driving connecting frame 101, and therefore the lifting of the driving connecting frame 101 can be achieved, as shown in fig. 1.
The motor fixing seat 103 is provided with a first mounting seat 103-1, a motor fixing seat flange 103-2, a speed sensor fixing seat 103-3, a second mounting seat 103-4 and a cylinder 103-5; the first mounting seat 103-1, the motor fixing seat flange 103-2, the speed sensor fixing seat 103-3 and the second mounting seats 103-4 and 103-5 are welded together; a threaded hole 103-5-1 is formed in the groove 103-5; a motor fixing seat flange mounting hole 103-2-1 is formed in the motor fixing seat flange 103-2; the drive wheel 106 is provided with a drive wheel flange 106-1.
The motor fixing seat 103 is assembled with through holes of connecting flanges 101-4 at two sides of the driving connecting frame 101 by utilizing the threaded holes 103-5-1, and the connecting flanges 101-4 are provided with rabbets 101-4-1 for positioning when the motor fixing seat 103 and the driving connecting frame 101 are assembled, as shown in fig. 3, 4 and 5.
The traveling motor 104 is assembled with a motor fixing seat flange mounting hole 103-2-1 on a motor fixing seat flange 103-2 of the motor fixing seat through a first traveling motor flange 104-1, a driving wheel 106 is mounted on a second traveling motor flange 104-2 of the traveling motor 104 through a driving wheel flange 106-1, the motor is driven through hydraulic oil to achieve traveling of a vehicle on a rail, a wet brake is arranged inside the traveling motor and used as parking braking, on-off of hydraulic oil of the wet brake is controlled through an electromagnetic valve of a chassis portion, and on-off of the electromagnetic valve is controlled through a control button arranged inside a cab, as shown in fig. 3, 5 and 7.
The wet brake is in a normally closed state, and after the vehicle is ignited, the parking brake is automatically opened, so that the vehicle can run in real time.
The brake disc 105 is installed in the installation hole of the driving wheel flange 106-2 of the driving wheel 106 through the brake disc installation hole 105-3, the speed sensor fixing seat 103-3 is used for installing a speed sensor, and the speed of the driving wheel 106 is detected by the U-shaped hole 105-2 in the brake disc 105. As shown in fig. 7 and 8.
The brake caliper 102 is mounted on a first mounting seat 103-1 of the motor fixing seat 103, and a service braking function of the vehicle is realized by an interaction between the brake caliper 102 and a friction surface 105-1 of a brake disc 105, and a brake pedal is provided in the cab to control the passing of a brake caliper oil passage through the brake pedal, as shown in fig. 3 and 8.
An end cover 107 is mounted on the mounting surface 106-3 of the driving wheel 106 for protecting the traveling motor 104 from an external impact, as shown in fig. 2 and 7.
The baffle fixing seat 109 is installed on the installation seat 103-4 of the motor fixing seat 103, the baffle 108 is installed on the baffle fixing seat 109 and used for removing sundries on a rail, the installation hole of the baffle fixing seat 109 is a long round hole, and the height of the baffle 108 can be adjusted timely according to the abrasion condition in the use process, as shown in fig. 2.
When the vehicle is not in work, the ballast scraping plates 110 are connected with the holes 101-3 of the driving connecting frame 101 through the holes 110-1 by the chains 111, the two ends of each chain 111 are of a detachable structure, and when the vehicle is in work, the ballast scraping plates 110 are detached from the chains 111 and can be used for leveling ballast inside the rail, as shown in fig. 2.
The highway-railway dual-purpose excavator comprises: conventional hydraulic excavators are modified to travel on railways.
Claims (10)
1. An independent traveling system for a road-rail dual-purpose excavator is characterized by comprising a driving system main body, a frame and an oil cylinder, wherein the driving system main body comprises a driving connecting frame, a motor fixing seat, a traveling motor, a brake disc and a driving wheel; a brake caliper is arranged on the motor fixing seat; the frame is provided with a first frame pin shaft hole and a second frame pin shaft hole; the driving connecting frame is provided with a first driving connecting frame pin shaft hole and a second driving connecting frame pin shaft hole; a first driving connecting frame pin shaft hole of the driving connecting frame is hinged with a second frame pin shaft hole at the front end of the frame, a piston rod pin shaft hole of the oil cylinder is hinged with a first frame pin shaft hole at the front end of the frame, and a cylinder barrel pin shaft hole of the oil cylinder is hinged with a second driving connecting frame pin shaft hole of the driving connecting frame, so that the driving connecting frame is lifted.
2. The independent traveling system for the road-rail dual-purpose excavator according to claim 1, wherein the motor fixing seat is provided with a first mounting seat, a motor fixing seat flange, a speed sensor fixing seat, a second mounting seat and a cylinder; the first mounting seat, the motor fixing seat flange, the speed sensor fixing seat, the second mounting seat and the cylinder are welded together; the cylinder is provided with a threaded hole; connecting flanges are arranged on two sides of the driving connecting frame, and each connecting flange is provided with a spigot used for positioning when the motor fixing seat and the driving connecting frame are assembled; the motor fixing seat is assembled with the through holes of the connecting flanges at the two sides of the driving connecting frame by utilizing the threaded holes.
3. The independent traveling system for an excavator for both public and railway use according to claim 1, wherein the traveling motor is provided with a first traveling motor flange and a second traveling motor flange; the motor fixing seat flange is provided with a motor fixing seat flange mounting hole; the driving wheel is provided with a driving wheel flange; the traveling motor is assembled with a motor fixing seat flange mounting hole in a motor fixing seat flange of the motor fixing seat through a first traveling motor flange, and the driving wheel is mounted on a second traveling motor flange of the motor through a driving wheel flange.
4. The independent running system for an excavator for both public and railway use according to claim 1, wherein the brake disc is installed in the installation hole of the driving wheel flange of the driving wheel through the brake disc installation hole.
5. The independent traveling system for excavator for both highway and railway as claimed in claim 2, wherein said speed sensor fixing seat is used for installing a speed sensor for detecting the speed of the driving wheel by using a U-shaped hole in the brake disc.
6. The independent traveling system for the excavator for both public and railway use according to claim 1, wherein the brake caliper is mounted on the first mounting seat of the motor fixing seat, and the service braking function of the vehicle is realized by interaction of the brake caliper and the friction surface of the brake disc.
7. The independent traveling system for excavator for both road and railway as claimed in claim 1, wherein an end cap is provided at one side of the driving wheel, and the end cap is mounted on the mounting surface of the driving wheel for protecting the traveling motor from external impact.
8. The independent traveling system for the excavator for both public and railway use according to claim 1, wherein a baffle fixing seat is installed on the motor fixing seat, and a baffle is connected to the baffle fixing seat and used for removing sundries on a rail.
9. The independent traveling system for the road-rail excavator as claimed in claim 1, wherein the driving link frame is provided at one side thereof with the clip-plate, and the holes of the clip-plate are connected with the holes of the driving link frame by means of a chain.
10. An excavator comprising the independent traveling system for the excavator for highway and railway use according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222543216.5U CN218505597U (en) | 2022-09-26 | 2022-09-26 | Independent traveling system for highway and railway dual-purpose excavator and excavator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222543216.5U CN218505597U (en) | 2022-09-26 | 2022-09-26 | Independent traveling system for highway and railway dual-purpose excavator and excavator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218505597U true CN218505597U (en) | 2023-02-21 |
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ID=85213465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222543216.5U Active CN218505597U (en) | 2022-09-26 | 2022-09-26 | Independent traveling system for highway and railway dual-purpose excavator and excavator thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218505597U (en) |
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2022
- 2022-09-26 CN CN202222543216.5U patent/CN218505597U/en active Active
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