CN215622004U - Rail material transportation flat car - Google Patents
Rail material transportation flat car Download PDFInfo
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- CN215622004U CN215622004U CN202122112649.0U CN202122112649U CN215622004U CN 215622004 U CN215622004 U CN 215622004U CN 202122112649 U CN202122112649 U CN 202122112649U CN 215622004 U CN215622004 U CN 215622004U
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Abstract
The application discloses track material transportation flatbed relates to hand propelled track material transportation vehicle technical field, including automobile body frame front wheel and rear wheel, it improves front wheel and rear wheel on prior art's basis, corresponds the front wheel with fluid pressure type arresting gear and matches, and the rear wheel matches with electromagnetic type arresting gear and corresponds, and electromagnetic type arresting gear is connected with the wireless control unit electricity, realizes the brake through dual braking system to the automobile body to can realize the effect of long-range brake. The safety and reliability of the whole device are improved. In addition, a buffer device is arranged on the front side of the vehicle body frame, and an impact protection switch capable of directly controlling the electromagnetic type braking device is arranged on the buffer device, so that the vehicle body can be automatically braked when being impacted, and the safety is further improved. The whole device is simple in structure, low in cost, convenient to operate, good in stability and convenient to assemble and overhaul.
Description
Technical Field
The application relates to hand propelled track material transport vehicle technical field especially relates to a track material transport flatbed.
Background
In the domestic track traffic scattered paving construction, equipment transportation is very critical. The rail flat car plays an important role in transporting construction materials and other construction equipment in railway construction, is important transportation equipment in scattered paving construction, has convenient and light transportation capacity, saves a large amount of labor force, and greatly improves the construction efficiency. At present, in urban rail construction in China, rail flatcar equipment is various in types and different in styles, but most of rail flatcars are simple in structure in the field of railway construction, and are unpowered and brake-free. Because the track flatcar is used comparatively extensively in the railway construction field, but there is not reliable braking system, the accident that causes the swift current car and brake unstability in construction application is inevitable takes place, and the braking system of other fields is normally open simultaneously, does not provide brake force during normal work, just realizes braking after needing to operate, very easily causes the accident because of workman's carelessness in the moment when being applied to track engineering. In order to solve the problem, the chinese utility model patent CN212125149U discloses a safe rail flatcar which is braked by hand-holding and pushing by hand-releasing, wherein a spring is connected to a brake handle, so as to provide elastic force to the brake handle and enable the brake handle to be in a position for keeping a piston of a brake fluid tank closed; when the brake handle overcomes the elastic force to move, the piston of the brake fluid oil tank can be opened, so that the brake fluid oil tank provides driving force for the brake piston cylinder, and the brake piston cylinder drives the brake chuck to loosen the brake part of the brake disc. The transparent cover is arranged on the outer side of the wheel rail and then connected with the brake disc, braking is stable and reliable, a novel brake handle is designed, the working state of the brake is converted from a normally open state to a normally closed state, accidents caused by the fact that no brake system exists when the vehicle is driven and parked are avoided, and accidents caused by the fact that workers forget to brake due to negligence can be avoided. The following drawbacks were found to exist in use: the structure is more complex, and the manufacturing cost is higher; the braking system has only one mode, and when the system fails, the braking cannot be carried out in time; when the brake fails, major accidents easily occur without a remedy means.
Disclosure of Invention
In order to solve the above problems, the present application is implemented by the following technical solutions:
a rail material transportation flat car comprises a car body frame, a push rod, a wheel mounting seat, an axle and a braking device, wherein the wheel mounting seat is fixedly arranged at the bottom of the car body frame, the axle is arranged on the wheel mounting seat in a penetrating manner, wheels are arranged on the axle, the push rod is fixedly arranged at the rear side of the car body frame, a braking handle is arranged on the push rod, the braking device is matched with the wheels, and the braking device comprises a hydraulic braking device and an electromagnetic braking device;
the wheel mounting seat comprises a front wheel mounting seat and a rear wheel mounting seat;
the hydraulic brake device is fixedly connected with the front wheel mounting seat; the electromagnetic braking device is fixedly connected with the rear wheel mounting seat;
the wheels comprise front wheels and rear wheels, the number of the front wheels is two, the two front wheels are respectively provided with a front wheel brake disc, and the front wheel brake discs are matched and correspond to the hydraulic brake devices;
the two rear wheels are respectively provided with a rear wheel brake disc, and the rear wheel brake discs correspond to the electromagnetic braking devices in a matching manner;
the brake handle is connected with the hydraulic brake device and is used for controlling the hydraulic brake device;
the bottom of the vehicle body frame is also fixedly provided with a power supply unit and a wireless control unit;
the control end of the electromagnetic braking device is electrically connected with the wireless control unit;
the wireless control unit communicates with the remote controller through radio waves. The front wheel mounting seat and the rear wheel mounting seat are respectively provided with two pairs, and axles are arranged between the two pairs of front wheel mounting seats and the two pairs of rear wheel mounting seats in a penetrating mode. The wireless control unit is respectively and electrically connected with the power supply unit and the control end of the electromagnetic braking device. During operation, must press the brake handle, hydraulic brake device just can loosen, and two front wheels that hydraulic brake device corresponds just can loosen, and track material transportation flatbed just can be along track promotion operation. When nobody presses the brake handle, the hydraulic brake device brakes the front wheel through the front wheel brake disc, and the rail material transportation flat car can be moved only by controlling and holding the push rod and pressing the brake handle, so that the safety of freight transportation is ensured, and accidents are prevented from being caused when the car is parked on a ramp. When the hydraulic brake device is in an accident or cannot brake the flat car completely, the electromagnetic brake device can be used for braking the two rear wheels of the rail material transportation flat car, the braking control of the two rear wheels is controlled by the remote controller, the remote controller adopts radio remote control and can also be remotely controlled, and the advantage is that when the rail material transportation flat car automatically slides under the condition that no person operates the rail material transportation flat car, the remote control can be realized. In the whole remote control process, a remote controller sends out radio waves to the wireless control unit, and the wireless control unit controls the electromagnetic type braking device to act to tightly hold and brake the rear wheel brake disc of each rear wheel. By adopting the double-brake mode and the remote control mode, the reliability of the brake can be improved and the safety of the brake can be greatly improved.
Preferably, the wireless control unit is a TAD-T70P wireless remote control module. The TAD-T70P wireless remote control module is a mature product, is matched with a corresponding remote controller, can realize relay output and can realize remote control, and the mature product can save the design cost and improve the speed of assembly and debugging.
Preferably, the power supply unit is a direct current 24V rechargeable battery pack.
Preferably, a buffer device is arranged on the front side of the vehicle body frame, and the buffer device comprises a pin shaft, a pressure spring and a buffer rod;
the two pin shafts are respectively and fixedly arranged on the front side of the vehicle body frame;
the pin shaft is sleeved with the pressure spring;
the pin shaft is also provided with the buffer rod in a penetrating mode in a sliding mode, the buffer rod is arranged in parallel with the vehicle body frame, and the length of the vehicle body frame is equal to the width of the vehicle body frame. Buffer's effect plays the effect of buffering striking to track material transportation flatbed: when the rail material transportation flatbed car leads to the automobile body to remove by oneself and collide the barrier because of self fluid pressure type arresting gear trouble or too much the unable car of stopping of load, buffer lever on the buffer device at first contacts with the barrier, then buffer lever slides backward along the round pin axial under the effect of automobile body, compresses the pressure spring simultaneously, and the pressure spring converts kinetic energy into elastic potential energy, and then converts partly energy, plays the cushioning effect. This can prevent the vehicle body from causing a serious impact.
Preferably, an impact protection switch is further fixedly arranged on the front side of the vehicle body frame, corresponds to the buffer rod, and can convert the displacement of the buffer rod into an electric signal;
one end of the impact protection switch is connected with the control end of the electromagnetic braking device, and the other end of the impact protection switch is connected with a power supply end. When the buffer rod is impacted and moves backwards, the impact protection switch is triggered, and the impact protection switch is directly connected with the electromagnetic braking device to brake. The impact protection switch is a bistable switch, namely has self-locking capability, and after the impact protection switch is triggered to be closed, the impact protection switch can be restored to work only by manually unlocking and resetting, so that the impact protection switch can be completely braked only by being impacted, and the problem of automatic resetting caused by the movement of an obstacle can be avoided.
Preferably, at least two anti-skid blocks are further arranged, each anti-skid block is of a triangular structure, a track groove is formed in the bottom surface of each anti-skid block, and the track grooves are formed in a penetrating mode along the bottom of the triangular structure;
the width of the track groove is larger than that of the track, and the anti-skid stop block can be clamped on the track through the track groove. The anti-slip stop block is arranged between the rail and the wheels of the vehicle body when the rail material transport flat car parks, so that the vehicle body is prevented from sliding, and the safety is further ensured.
Preferably, a hanging lug is fixedly arranged on the rear side of the anti-skid block and used for hanging on the vehicle body frame. The structure is convenient to carry, and when the portable trolley is used, the portable trolley is taken down from the trolley frame and placed between the wheels and the track, and when the portable trolley is not used, the portable trolley is folded and hung on the trolley frame.
Preferably, the car body frame is formed by welding angle steel, and an aluminum alloy checkered plate with the thickness of 2mm is fixedly arranged on the top surface of the car body frame. Such structure can guarantee that track material transportation flatbed has sufficient bearing capacity, still can not lead to the dead weight too big.
Preferably, the wheel is made of nylon materials, a bearing is arranged in the wheel, and the bearing is matched and correspondingly connected with the axle.
Preferably, the hydraulic brake device is an ABS oil pump caliper brake device. The brake device is widely applied, and can be directly purchased and used for finished products, such as automobiles, electric vehicles and the like, so that the design cost can be reduced.
This application improves front wheel and rear wheel on prior art's basis, corresponds the front wheel with fluid pressure type arresting gear and matches, and the rear wheel matches with electromagnetic type arresting gear and corresponds, and electromagnetic type arresting gear is connected with the wireless control unit electricity, realizes the brake to the automobile body through dual braking system to can realize the effect of long-range brake. The safety and reliability of the whole device are improved. In addition, a buffer device is arranged on the front side of the vehicle body frame, and an impact protection switch capable of directly controlling the electromagnetic type braking device is arranged on the buffer device, so that the vehicle body can be automatically braked when being impacted, and the safety is further improved. The whole device is simple in structure, low in cost, convenient to operate, good in stability and convenient to assemble and overhaul.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the embodiment provided in the present application;
FIG. 2 is a front view of an embodiment provided herein;
FIG. 3 is a top view of an embodiment provided herein;
FIG. 4 is a left side view of an embodiment provided herein;
FIG. 5 is a perspective view of another perspective of an embodiment provided herein;
FIG. 6 is a schematic perspective view of an anti-skid block in an embodiment provided herein;
FIG. 7 is a bottom view of the anti-skid block of the embodiment provided herein;
fig. 8 is a schematic circuit diagram according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 8 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The application is based on the optimization improvement on the basis of the safe track flat car which is pushed by hands and braked by hands, and the overall frame structure is unchanged. As shown in fig. 1 to 8, a rail material transporting flat car comprises a car body frame 1, a push rod 2, a wheel mounting seat, a car axle and a braking device. The bottom of the vehicle body frame 1 is fixedly provided with a wheel mounting seat, a vehicle axle penetrates through the wheel mounting seat, wheels are arranged on the vehicle axle, a push rod 2 is fixedly arranged on the rear side of the vehicle body frame 1, a brake handle 5 is arranged on the push rod 2, and a brake device is matched with the wheels. The difference lies in that:
the wheel is made of nylon materials, a bearing is arranged in the wheel, and the bearing is matched and correspondingly connected with the axle.
The car body frame 1 is formed by welding angle steel, and an aluminum alloy checkered plate with the thickness of 2mm is fixedly arranged on the top surface of the car body frame. Such structure can guarantee that track material transportation flatbed has sufficient bearing capacity, still can not lead to the dead weight too big. The braking device includes a hydraulic braking device 6 and an electromagnetic braking device 7. The wheel mount includes a front wheel mount and a rear wheel mount. The hydraulic brake device 6 is an ABS oil pump caliper brake device. The brake device is widely applied, and can be directly purchased and used for finished products, such as automobiles, electric vehicles and the like, so that the design cost can be reduced. The hydraulic brake device 6 is fixedly connected with the front wheel mounting seat, and the electromagnetic brake device 7 is fixedly connected with the rear wheel mounting seat. The wheel includes front wheel 3 and rear wheel 4, and front wheel 3 is provided with two, and two front wheels 3 are equallyd divide and are provided with front wheel brake disc 30 respectively, and front wheel brake disc 30 matches with fluid pressure type arresting gear 6 and corresponds. Two rear wheels 4 are arranged, the two rear wheels 4 are respectively provided with a rear wheel brake disc 40, and the rear wheel brake discs 40 correspond to the electromagnetic braking device 7 in a matching mode. The brake handle 5 is connected to a hydraulic brake device 6 for controlling the hydraulic brake device 6. The bottom of the vehicle body frame 1 is also fixedly provided with a power supply unit GB and a wireless control unit, and the power supply unit GB is a direct-current 24V rechargeable battery pack. The control end of the electromagnetic braking device 7 is electrically connected with a wireless control unit, the wireless control unit communicates with a remote controller through radio waves, and a circuit diagram is shown in fig. 8. The preferred wireless control unit of the present embodiment is a TAD-T70P wireless remote control module. The TAD-T70P wireless remote control module is a mature product, is matched with a corresponding remote controller, can realize relay output and can realize remote control, and the mature product can save the design cost and improve the speed of assembly and debugging.
The front wheel mounting seat and the rear wheel mounting seat are respectively provided with two pairs, and axles are arranged between the two pairs of front wheel mounting seats and the two pairs of rear wheel mounting seats in a penetrating mode. The wireless control unit is respectively electrically connected with the power supply unit GB and the control end of the electromagnetic braking device 7. When the rail material transportation flat car works, the brake handle 5 must be pressed, the hydraulic brake device 6 can be released, the two front wheels 3 corresponding to the hydraulic brake device 6 can be released, and the rail material transportation flat car can be pushed to run along the rail. When no one presses the brake handle 5, the hydraulic brake device 6 brakes the front wheel 3 through the front wheel brake disc 30, and the rail material transportation flat car can only be moved by the person controlling and holding the push rod 2 and pressing the brake handle 5, so that the safety of freight transportation is ensured, and accidents are prevented from being caused when the car is parked on a ramp. When the hydraulic brake device 6 is in an accident or cannot brake the railway completely, the two rear wheels 4 of the railway material transportation flat car can be braked through the electromagnetic brake device 7, the brake control of the two rear wheels 4 is controlled through a remote controller, the remote controller adopts wireless remote control and can also be remotely controlled, and the advantage is that when the railway material transportation flat car automatically slides under the condition that no operation is carried out by people, the brake can be remotely controlled. In the whole remote control process, a remote controller sends out radio waves to the wireless control unit, and the wireless control unit controls the electromagnetic braking device 7 to act to tightly hold and brake the rear wheel brake disc 40 of each rear wheel 4. By adopting the double-brake mode and the remote control mode, the reliability of the brake can be improved and the safety of the brake can be greatly improved.
In an embodiment, the front side of the vehicle body frame 1 is provided with the buffer device 8, the buffer device 8 includes two pin shafts 80, two pressure springs 81 and two buffer rods 82, the two pin shafts 80 are respectively and fixedly disposed on the front side of the vehicle body frame 1, the pressure springs 81 are sleeved on the pin shafts 80, the buffer rods 82 are further slidably disposed on the pin shafts 80, the buffer rods 82 are disposed in parallel with the vehicle body frame 1, and the length of the vehicle body frame 1 is equal to the width of the vehicle body frame 1. Buffer 8's effect plays the effect of buffering striking to track material transportation flatbed: when the rail material transportation flat car causes the car body to move automatically and collide with the obstacle due to the fault of the hydraulic brake device 6 or the fact that the car cannot be braked due to too much load, the buffer rod 82 on the buffer device 8 is firstly contacted with the obstacle, then the buffer rod 82 slides backwards along the pin shaft under the action of the car body, meanwhile, the compression spring 81 is compressed, the compression spring 81 converts kinetic energy into elastic potential energy, and then a part of energy is converted, so that the buffer effect is achieved. This can prevent the vehicle body from causing a serious impact.
Further, a collision protection switch 83 is fixedly provided on the front side of the body frame 1, and the collision protection switch 83 corresponds to the buffer rod 82 and can convert the displacement of the buffer rod 82 into an electric signal. One end of the impact protection switch 83 is connected to the control end of the electromagnetic braking device 7, the control end of the electromagnetic braking device 7 is represented by a character YB in the circuit diagram, and the other end of the impact protection switch 83 is connected to a power supply end. When the cushion rod 82 moves backward due to an impact, the impact protection switch 83 is triggered, and the impact protection switch 83 directly turns on the electromagnetic braking device 7 to brake the electromagnetic braking device. The impact protection switch 83 should be a bistable switch, as shown in fig. 8, the character symbol of the impact protection switch 83 in the circuit diagram is SB, which has self-locking capability, and when it is triggered to close, it must be manually unlocked to reset to recover the operation, so as to ensure that the brake is completely braked as long as being impacted, and the problem of automatic reset due to the movement of the obstacle is avoided.
In an embodiment, at least two anti-slip blocks 9 are further provided, the anti-slip blocks 9 are of a triangular structure, the bottom surface of the anti-slip blocks 9 is provided with a track groove 90, and the track groove 90 is formed through the bottom of the triangular structure. The width of the rail groove 90 is greater than the width of the rail, and the anti-slip stopper 9 can be caught on the rail through the rail groove 90. The anti-skid block 9 is used for placing the anti-skid block 9 between the rail and the wheels of the vehicle body when the rail material transport flat car parks, so that the vehicle body is prevented from sliding, and the safety is further ensured. The rear side of the anti-skid block 9 is fixedly provided with a hanging lug 91 for hanging on the vehicle body frame 1. The structure is convenient to carry, and when the portable trolley is used, the portable trolley is taken down from the trolley frame 1 and placed between the wheels and the track, and when the portable trolley is not used, the portable trolley is folded and hung on the trolley frame.
On the basis of the prior art, the front wheel and the rear wheel are improved, the front wheel is correspondingly matched with the hydraulic braking device 6, the rear wheel is correspondingly matched with the electromagnetic braking device 7, the electromagnetic braking device 7 is electrically connected with the wireless control unit, the vehicle body is braked through a dual braking system, and the remote braking function can be realized. The safety and reliability of the whole device are improved. In addition, a buffer device 8 is arranged at the front side of the vehicle body frame 1, and an impact protection switch 83 which can directly control the electromagnetic type braking device 7 is arranged on the buffer device 8, so that the vehicle body can be automatically braked when being impacted, and the safety is further improved. The whole device is simple in structure, low in cost, convenient to operate, good in stability and convenient to assemble and overhaul.
Claims (10)
1. The utility model provides a track material transportation flatbed, includes automobile body frame (1), push rod (2), wheel mount pad, axletree and arresting gear, the fixed wheel mount pad that is provided with in bottom of automobile body frame (1), wear to establish the axletree on the wheel mount pad, be provided with the wheel on the axletree, the rear side of automobile body frame (1) is fixed to be provided with push rod (2), be provided with braking handle (5) on push rod (2), arresting gear with the wheel matches the setting, its characterized in that:
the brake device comprises a hydraulic brake device (6) and an electromagnetic brake device (7);
the wheel mounting seat comprises a front wheel mounting seat and a rear wheel mounting seat;
the hydraulic brake device (6) is fixedly connected with the front wheel mounting seat; the electromagnetic braking device (7) is fixedly connected with the rear wheel mounting seat;
the wheels comprise front wheels (3) and rear wheels (4), two front wheels (3) are arranged, a front wheel brake disc (30) is respectively arranged on each of the two front wheels (3), and the front wheel brake discs (30) are matched and correspond to the hydraulic brake devices (6);
two rear wheels (4) are arranged, a rear wheel brake disc (40) is respectively arranged on each of the two rear wheels (4), and the rear wheel brake discs (40) are matched and correspond to the electromagnetic braking devices (7);
the brake handle (5) is connected with the hydraulic brake device (6) and is used for controlling the hydraulic brake device (6);
the bottom of the vehicle body frame (1) is also fixedly provided with a power supply unit (GB) and a wireless control unit;
the control end of the electromagnetic braking device (7) is electrically connected with the wireless control unit;
the wireless control unit communicates with the remote controller through radio waves.
2. The rail material transport flat car of claim 1, wherein:
the wireless control unit is a TAD-T70P wireless remote control module.
3. The rail material transport flat car of claim 1, wherein:
the power supply unit (GB) is a direct current 24V rechargeable battery pack.
4. The rail material transport flat car of claim 1, wherein:
a buffer device (8) is arranged on the front side of the vehicle body frame (1), and the buffer device (8) comprises a pin shaft (80), a pressure spring (81) and a buffer rod (82);
the two pin shafts (80) are respectively and fixedly arranged on the front side of the vehicle body frame (1);
the pin shaft (80) is sleeved with the pressure spring (81);
the pin shaft (80) is also provided with a buffer rod (82) in a sliding penetrating mode, the buffer rod (82) is arranged in parallel with the vehicle body frame (1), and the length of the vehicle body frame (1) is equal to the width of the vehicle body frame (1).
5. The rail material transport flat car of claim 4, wherein:
an impact protection switch (83) is fixedly arranged on the front side of the vehicle body frame (1), the impact protection switch (83) corresponds to the buffer rod (82), and the displacement of the buffer rod (82) can be converted into an electric signal;
one end of the impact protection switch (83) is connected with the control end of the electromagnetic braking device (7), and the other end of the impact protection switch (83) is connected with a power supply end.
6. The rail material transport flat car of claim 1, wherein:
the anti-skid device is characterized by also comprising at least two anti-skid check blocks (9), wherein the anti-skid check blocks (9) are of a triangular structure, a track groove (90) is formed in the bottom surface of each anti-skid check block, and the track grooves (90) are formed in a penetrating way along the bottom of the triangular structure;
the width of the track groove (90) is larger than that of the track, and the anti-skid block (9) can be clamped on the track through the track groove (90).
7. The rail material transport flat car of claim 6, wherein:
the rear side of the anti-skid block (9) is fixedly provided with a hanging lug (91) for hanging on the vehicle body frame (1).
8. The rail material transport flat car of claim 1, wherein:
the car body frame (1) is formed by welding angle steel, and an aluminum alloy checkered plate with the thickness of 2mm is fixedly arranged on the top surface of the car body frame.
9. The rail material transport flat car of claim 1, wherein:
the wheel is made of nylon materials, a bearing is arranged in the wheel, and the bearing is correspondingly connected with the axle in a matching mode.
10. The rail material transport flat car of claim 1, wherein:
the hydraulic brake device (6) is an ABS oil pump caliper brake device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112649.0U CN215622004U (en) | 2021-09-03 | 2021-09-03 | Rail material transportation flat car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112649.0U CN215622004U (en) | 2021-09-03 | 2021-09-03 | Rail material transportation flat car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215622004U true CN215622004U (en) | 2022-01-25 |
Family
ID=79906332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122112649.0U Active CN215622004U (en) | 2021-09-03 | 2021-09-03 | Rail material transportation flat car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215622004U (en) |
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2021
- 2021-09-03 CN CN202122112649.0U patent/CN215622004U/en active Active
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