CN112810656A - Basic brake device of bogie, bogie and railway crane - Google Patents
Basic brake device of bogie, bogie and railway crane Download PDFInfo
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- CN112810656A CN112810656A CN202110271326.8A CN202110271326A CN112810656A CN 112810656 A CN112810656 A CN 112810656A CN 202110271326 A CN202110271326 A CN 202110271326A CN 112810656 A CN112810656 A CN 112810656A
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- 238000000429 assembly Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 7
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- 230000005484 gravity Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
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- 230000000694 effects Effects 0.000 abstract description 13
- 230000033001 locomotion Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/20—Transmitting mechanisms
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Abstract
The invention relates to a basic brake device of a bogie, the bogie and a railway crane, wherein the basic brake device of the bogie comprises two parallel brake beams which are arranged at intervals and two groups of lever assemblies which are arranged at intervals, and the brake beams are provided with two groups of connecting fulcrums and are respectively and correspondingly connected with the two groups of lever assemblies; each brake beam is provided with a brake shoe and can slide along a slideway arranged on the bogie body respectively and drive the brake shoes to be attached to or detached from the wheel surfaces; the power end of the lever assembly can be connected with a loading pull rod, the lever assembly further comprises a first connecting rod connected with the bogie body, the loading pull rod can act on the lever assembly through the power end and acts on the two brake beams respectively through a connecting fulcrum, so that the two brake beams can slide along the sliding ways in a back-to-back manner respectively and drive the brake shoes to be attached to the wheel surfaces. The foundation brake device can be installed while the self-propelled shape walking function of the railway crane is ensured, the whole braking effect of the railway crane is ensured, and the safety is improved.
Description
Technical Field
The invention relates to the technical field of railway cranes, in particular to a foundation brake device of a bogie, the bogie and a railway crane.
Background
The railway crane is used and operated on a railway line, is mainly used for the mounting and dismounting, the construction and the maintenance of goods loading and unloading, building components and equipment, the rescue and other works, has flexible operation modes, and is suitable for various occasions and working conditions. The railway crane has the commonality of the existing hoisting machinery and also accords with the individuality of the railway operation characteristics, and compared with the railway vehicle, the railway crane has more complex use working conditions.
The bogie is an important component of the railway crane, and compared with the railway vehicle bogie, the railway crane bogie has the most obvious characteristic that the bogie has the function of self-walking.
In the prior art, because a bogie of the railway crane requires a self-shaping function, a power gear for transmitting power is arranged on one wheel shaft, under the condition, if a basic braking device is installed, the basic braking device interferes with the power gear, but if the bogie does not have the basic braking device, the overall performance and the braking effect of the railway crane are influenced, and potential safety hazards exist.
Therefore, how to install the foundation brake device on the bogie of the railway crane while ensuring that the bogie has the self-shaping function is a technical problem to be solved by technical personnel in the field, so that the whole braking effect of the railway crane is ensured, and the safety is improved.
Disclosure of Invention
The invention aims to provide a foundation brake device of a bogie, the bogie and a railway crane, which can ensure that the foundation brake device has a self-propelled deformation function, and meanwhile, the foundation brake device is installed, so that the whole braking effect of the railway crane is ensured, and the safety is improved.
In order to solve the technical problem, the invention provides a basic brake device of a bogie, which comprises two parallel brake beams arranged at intervals and two groups of lever assemblies arranged at intervals, wherein each brake beam is respectively provided with two groups of connecting supporting points, and the two groups of connecting supporting points of the brake beams are respectively and correspondingly connected with the two groups of lever assemblies; each brake beam is provided with a brake shoe, and each brake beam can slide along a slideway arranged on the bogie body and drive the brake shoe to be attached to or detached from a wheel surface; the power end of the lever assembly can be connected with a vehicle-mounted pull rod, the lever assembly further comprises a first connecting rod connected with the bogie body, the vehicle-mounted pull rod can act on the lever assembly through the power end, and the connecting fulcrum acts on the two brake beams respectively to enable the two brake beams to slide along the slide ways back to back and drive the brake shoe to be attached to the wheel face.
Optionally, the lever assembly further comprises a first lever, a lower pull rod and a second lever which are hinged in sequence; the first lever is also hinged with the upper vehicle pull rod and the connecting fulcrum arranged on one brake beam respectively; the second lever is also respectively hinged with the first connecting rod and the connecting fulcrum arranged on the other brake beam.
Optionally, the device further comprises a second connecting rod, and the second connecting rod is connected between the two sets of lever assemblies so that the two sets of lever assemblies act synchronously.
Optionally, the second connecting rod is rotatably connected between the two first levers, and the second connecting rod is further connected with the upper vehicle pull rod.
Optionally, the lower pull rod is provided with at least two first hinge points arranged at intervals and at least two second hinge points arranged at intervals, the first hinge points are used for being connected with the first lever, and the second hinge points are used for being connected with the second lever; the first connecting rod is provided with at least two third hinge points arranged at intervals, and the third hinge points are used for being connected with the second lever.
Optionally, two ends of each brake beam are respectively provided with a sliding block capable of sliding along the sliding way, the sliding block is sleeved with a wear sleeve, the sliding way is a sliding groove, the lower end surface of the wear sleeve is of a planar structure, and the planar structure can be attached to and slide on the groove wall of the sliding groove.
Optionally, the wall surface of the groove wall where the sliding groove is attached to the wear sleeve is an inclined surface, and the brake beam can slide upwards along the inclined surface until the brake shoe is attached to the wheel surface; and the brake beam can drive the sliding block to slide downwards along the inclined surface under the action of gravity until the brake shoe is separated from the wheel surface.
Optionally, the upper end surface of each brake beam is provided with at least two connecting chains arranged at intervals, and the connecting chains are connected between the brake beam and the bogie body.
The invention also provides a bogie which comprises a bogie body, a self-propelled mechanism and the foundation brake device; the self-propelled traveling mechanism comprises two wheel shafts, one wheel shaft is provided with a power gear, and the two groups of lever assemblies of the basic braking device are respectively positioned on two sides of the power gear.
The invention also provides a railway crane which is characterized by comprising the bogie.
The scheme of the invention has the following technical effects:
because two sets of lever assemblies are the interval and set up, it is concrete, connect the fulcrum and can set up according to actual conditions in the concrete position of brake beam, that is to say the interval between the lever assembly that two sets of intervals set up can set up according to actual conditions, therefore the setting position of lever assembly is comparatively nimble, can avoid taking place to interfere with other structures of bogie.
The self-propelled traveling mechanism comprises a power gear arranged on a wheel shaft, and two groups of lever assemblies of the basic braking device are respectively positioned on two sides of the power gear, so that the basic braking effect can be realized, and the interference between the basic braking device and the power gear is avoided. Therefore, the bogie is provided with the foundation braking device while the self-propelled deformation function is ensured, the braking effect of the whole railway crane is ensured, and the safety is improved.
Drawings
FIG. 1 is a schematic structural diagram of a bogie provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a foundation brake device of the bogie.
In FIGS. 1-2, the reference numbers are illustrated as follows:
100-foundation brake device; 210-sideframe, 220-bolster; 300-axle; 400-a power gear; 500-a wheel;
1-a lever component, 11-a first connecting rod, 111-a third hinged point, 12-a first lever, 13-a lower pull rod, 131-a second hinged point and 14-a second lever;
2-a first brake beam, 21-a first fulcrum;
3-second brake beam, 31-second fulcrum;
4-brake shoe;
5-brake head, 51-slide block;
6-wearing sleeve;
7-second link.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a bogie foundation brake device, a bogie and a railway crane, wherein the bogie comprises the foundation brake device 100, the railway crane comprises the bogie, and the bogie has a self-running function and a foundation brake function at the same time, so that the flexibility and the safety are ensured.
As shown in fig. 2, the foundation brake device 100 of the bogie provided by the embodiment of the present invention includes two parallel brake beams disposed at an interval and two lever assemblies 1 disposed at an interval between the two groups, each brake beam is respectively provided with two groups of connection pivots, the two groups of connection pivots respectively correspond to the two groups of lever assemblies 1, that is, each group of lever assemblies 1 is respectively connected to the connection pivots disposed on the two brake beams, each brake beam is respectively provided with a brake shoe 4, when the brake shoe 4 is attached to a surface of a wheel 500, braking can be achieved, and the bogie body is further provided with a slideway, each brake beam can respectively slide along the slideway to drive the brake shoe 4 to be attached to or detached from the surface of the wheel 500, so as to achieve braking and relieving.
The lever assembly 1 comprises a power end and a first connecting rod 11, wherein the power end can be connected with a loading pull rod, the loading pull rod can act on the lever assembly 1 through the power end and inputs braking force to the lever assembly 1, the first connecting rod 11 can be connected with the bogie body, the lever assembly 1 can act on two brake beams respectively through a connecting fulcrum, the lever assembly 1 further comprises a first lever 12, a lower pull rod 13 and a second lever 14 which are sequentially hinged, and the power end is arranged on the first lever 12. For the sake of convenience, the two brake beams will be referred to herein as the first brake beam 2 and the second brake beam 3, respectively, with the connection pivot point provided on the first brake beam 2 being the first pivot point 21 and the connection pivot point provided on the second brake beam 3 being the second pivot point 31. The first lever 12 is further hinged to the upper vehicle pull rod and the first fulcrum 21, and the second lever 14 is further hinged to the second fulcrum 31 and the first connecting rod 11. The connecting points between each lever and the pull rod in the lever component 1 are hinged and can be connected through a pin shaft.
After the power end receives the braking force of the upper vehicle pull rod (the direction of the braking force is the side far away from the second brake beam 3), the transmission direction of the braking force is from the first lever 12, the lower pull rod 13, the second lever 14 to the first connecting rod 11, in the process, the first fulcrum 21 is used as the fulcrum of the first lever 12, the second fulcrum 31 is used as the fulcrum of the second lever 14, the first lever 12 can rotate around the first fulcrum 21 under the action of the braking force and drive one end of the lower pull rod 13 to move, the movement of the lower pull rod 13 can drive the second lever 14 to rotate around the second fulcrum 31, and acts on the first connecting rod 11, at the moment, the second lever 14 has the tendency of driving the first connecting rod 11 to move towards one side of the first brake beam 2, the first connecting rod 11 is connected with the bogie body and can not move, at the moment, the connection point between the second lever 14 and the first connecting rod 11 is used as the fulcrum of the second lever 14, the movement of the lower tie-rod 13 can bring the second lever 14 to rotate about its connection point with the first link 11, and the second brake beam 3 is driven by the second pivot 31 to move to the side far away from the first brake beam 2 until the brake shoe 4 arranged on the second brake beam 3 is jointed with the corresponding wheel 500 surface, the second brake beam 3, the second lever 14 and the lower pull rod 13 can not move, at this time, the connecting point between the first lever 12 and the lower pull rod 13 is used as the fulcrum of the first lever 12, the first lever 12 is continuously acted by the braking force, the first lever 12 can rotate around the connecting point between the lower pull rods 13, and the first fulcrum 21 acts on the first brake beam 2 to enable the first brake beam 2 to move to the side far away from the second brake beam 3 until the brake shoe 4 arranged on the first brake beam 2 is jointed with the corresponding wheel 500 surface, the position of the lever assembly 1 is stable, and the bogie is in a braking state.
The connecting point of the lever assembly 1 and the external part only comprises a connecting point between a power end and a last vehicle pull rod, a connecting point between the first connecting rod 11 and the bogie body and connecting fulcrums respectively arranged on the two brake beams, wherein the last vehicle pull rod applies braking force through the power end, the first connecting rod 11 is connected with the bogie body, the first connecting rod 11 can rotate but cannot move along the braking direction, so that the fulcrum of the lever assembly 1 is formed at the position of the first connecting rod 11, the lever assembly 1 can act on the connecting fulcrums through lever linkage to enable the connecting fulcrums to move, and drives the brake beams to enable the brake beams to move along the slide to one side far away from the other brake beam, so that the two brake beams move back and back along the slide until brake shoes 4 arranged on the brake beams are respectively attached to the surfaces of the wheels 500, and the braking state is.
In the foundation brake device 100 provided by this embodiment, because two sets of lever assemblies 1 are arranged at intervals, specifically, the connection fulcrum can be arranged at the specific position of the brake beam according to the actual situation, that is to say, the distance between the two sets of lever assemblies 1 arranged at intervals can be arranged according to the actual situation, so the arrangement position of the lever assemblies 1 is flexible, and the interference with other structures of the bogie can be avoided.
The bogie comprises a bogie body, a self-propelled travelling mechanism and the foundation brake device 100 as described above, wherein when the bogie is a cast steel three-piece structure, the bogie body is as shown in fig. 1-2, and comprises two side frames 210 arranged at intervals and a swing bolster 220 arranged between the two side frames 210, at this time, the first connecting rod 11 of the foundation brake device 100 is connected with the swing bolster 220, and when the bogie is a welded framework structure, the bogie body is a framework, and the first connecting rod 11 is connected with the framework. The self-propelled traveling mechanism comprises two wheel shafts 300, wheels 500 are respectively arranged at two ends of each wheel shaft 300, one wheel shaft 300 is provided with a power gear 400, and two groups of lever assemblies 1 of the basic braking device 100 are respectively positioned at two sides of the power gear 400, so that the basic braking effect can be realized and the interference with the power gear 400 can be avoided. Therefore, the bogie is provided with the foundation braking device 100 while ensuring the self-shaping function, the whole braking effect of the railway crane is ensured, and the safety is improved.
Of course, in this embodiment, the specific structure of the lever assembly 1 is not limited, and if multiple sets of linked levers are provided to transmit the braking force to the first brake beam 2 and the second brake beam 3 and make the two brake beams move back to the braking state, the arrangement of the first lever 12, the second lever 14 and the lower pull rod 13 can simplify the overall structure and reduce the overall volume and the occupied space of the lever assembly 1.
In addition, in this embodiment, as shown in fig. 2, a connection point between the first lever 12 and the upper vehicle link and a connection point between the first lever 12 and the lower link 13 may be respectively located on two sides of the first fulcrum 21, a connection point between the second lever 14 and the first link 11 and a connection point between the second lever 14 and the lower link 13 may be respectively located on two sides of the second fulcrum 31, or a connection point between the first lever 12 and the upper vehicle link and a connection point between the first fulcrum 21 may be respectively located on two sides of a connection point between the first lever 12 and the lower link 13, and a connection point between the second lever 14 and the first link 11 and a connection point between the second fulcrum 31 and the second lever 14 and the lower link 13 may be respectively located on two sides of a connection point between the second lever 14 and the lower link 13, which is not particularly limited herein.
In the above embodiment, the foundation brake device 100 further includes a second link 7, and the second link 7 is connected between the two sets of lever assemblies 1, so that the two sets of lever assemblies 1 act synchronously. Or, in this embodiment, it can also be that two sets of lever assemblies 1 are independent respectively and the pull rod of getting on the bus exerts braking force to two sets of lever assemblies 1 simultaneously to realize the braking effect, and the setting of second connecting rod 7 can further guarantee two sets of lever assemblies 1 synchronization motion, guarantees the braking effect, can avoid because two sets of lever assemblies 1 are asynchronous and lead to the condition that first brake beam 2 or second brake beam 3 take place the slope.
Further, the second link 7 is rotatably connected between the two first levers 12, and the second link 7 is also connected to the upper vehicle pull rod, that is, the first levers 12 of the two sets of lever assemblies 1 are simultaneously connected to the upper vehicle pull rod through the second link 7. Alternatively, the second link 7 may be connected between the two lower links 13, and when the second link 7 is connected to the first lever 12 and the second link 7 is also connected to the upper vehicle handle, the upper vehicle handle only needs to be provided with one connection point to the foundation brake device 100, which can simplify the structure of the upper vehicle handle. The second connecting rod 7 can rotate between the two first levers 12, so that the swinging of the upper vehicle pull rod can be counteracted.
In the above embodiment, as shown in fig. 1, the lower link 13 is provided with at least two first hinge points (not shown) arranged at intervals and at least two second hinge points 131 arranged at intervals, wherein the first hinge point is used for connecting with the first lever 12, and the second hinge point 131 is used for connecting with the second lever 14; furthermore, the first link 11 is provided with at least two spaced third hinge points 111, and the third hinge points 111 are used for connecting with the second lever 14. That is to say, the length of the lower link 13 connected between the first lever 12 and the second lever 14 is adjustable, and the connection position between the second lever 14 and the first link 11 is also adjustable, and the surface of the brake shoe 4 or the wheel 500 may be worn after being used for a period of time, and the brake shoe 4 or the wheel 500 can be connected through different hinge points by adjusting the lever assembly 1, so that under the action of a preset braking force, the brake shoe 4 can be in surface fit with the wheel 500 to ensure the braking effect, and the flexibility and the adjustability are good.
In the above embodiment, the two ends of each brake beam are respectively provided with the sliding blocks 51 capable of sliding along the sliding ways, the sliding blocks 51 are externally sleeved with the wear sleeves 6, the sliding ways are sliding grooves arranged on the bogie body, the lower end surfaces of the wear sleeves 6 are planar structures matched with the groove walls of the sliding grooves, and the planar structures can be attached to and slide on the groove walls of the sliding grooves. The wear sleeve 6 can improve the wear resistance, and the wear sleeve 6 can be detached and replaced after long-time use, so that the operability and the economy are good. The wearing and tearing cover 6 is planar structure with the face of spout laminating, so sets up, can increase area of contact between the two, guarantees cooperation stability, avoids wearing and tearing cover 6 to take place relative rotation or the very fast condition of local wear when sliding along the spout. Specifically, the lower end face of the wear sleeve 6, which is attached to the groove wall, is of a planar structure, and the upper end face or the side face of the wear sleeve 6 is not limited, and can be of a planar structure or an arc-shaped structure.
Further, the wall surface of the groove wall of the chute, which is attached to the wear sleeve 6, is an inclined surface, the brake beam can slide upwards along the inclined surface to the surface of the brake shoe 4 attached to the wheel 500, and the brake beam can drive the sliding block 51 to slide downwards along the inclined surface to the brake shoe 4 detached from the wheel 500 under the action of gravity. That is to say, the cell wall of spout is the inclined plane of the one end perk that is towards wheel 500 upwards, and during braking, the pull rod of getting on the bus passes through lever assembly 1 and drives the brake beam and remove to the braking state along the slide, and at this moment, slider 51 upwards slides along the inclined plane, and when the brake force back of removing, the brake beam can be followed the inclined plane and slided downwards under the effect of gravity and is alleviated the state.
Specifically, in this embodiment, the arrangement of the sliding block 51 is not limited, for example, the brake head 5 is fixedly (e.g. welded and fixed) to each of the two ends of the brake beam, the brake head 5 is provided with a mounting surface for mounting the brake shoe 4, and the sliding block 51 is further provided on the brake head 5, or the sliding block 51 may be formed by extending the end of the brake beam outward along the length direction thereof, which is not limited herein.
In the above embodiment, at least two connecting chains are respectively disposed on the upper end surface of each brake beam, and the connecting chains are connected between the brake beam and the bogie body, so that the connecting chains can ensure the connection between the brake beam and the bogie body, and the brake beam is prevented from being separated from the slide way under extreme conditions, so that the foundation brake device 100 falls down. In this embodiment, the specific structure of the connecting chain is not limited, and if the connecting chain can be set as a chain or a chain rope, the flexibility is good, so that the sliding of the brake beam along the slide way is not affected.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. The basic brake device of the bogie is characterized by comprising two parallel brake beams arranged at intervals and two groups of lever assemblies (1) arranged at intervals, wherein each brake beam is respectively provided with two groups of connecting supporting points, and the two groups of connecting supporting points of the brake beams are respectively and correspondingly connected with the two groups of lever assemblies (1);
each brake beam is provided with a brake shoe (4), and each brake beam can slide along a slide way arranged on the bogie body and drive the brake shoe (4) to be attached to or detached from the surface of a wheel (500);
the power end of lever subassembly (1) can be connected with last car pull rod, lever subassembly (1) still include with this body coupling of bogie first connecting rod (11), the last car pull rod can pass through the power end acts on lever subassembly (1), and through the connection fulcrum acts on two respectively the brake beam makes two the brake beam can be followed respectively the slide slides mutually oppositely, and drives brake shoe (4) with wheel (500) face laminating.
2. Foundation braking device of a bogie as claimed in claim 1, characterised in that said lever assembly (1) further comprises a first lever (12), a lower pull rod (13) and a second lever (14) hinged in sequence;
the first lever (12) is also hinged with the upper vehicle pull rod and the connecting fulcrum arranged on one brake beam respectively;
the second lever (14) is also hinged with the first connecting rod (11) and the connecting fulcrum arranged on the other brake beam.
3. Foundation braking device for a bogie according to claim 2, characterised in that it further comprises a second connecting rod (7), said second connecting rod (7) being connected between the two sets of lever assemblies (1) so as to allow the two sets of lever assemblies (1) to act synchronously.
4. Foundation brake arrangement of a bogie according to claim 3, characterised in that the second link (7) is rotatably connected between the two first levers (12) and that the second link (7) is also connected with the upper tie rod.
5. Foundation braking device of a bogie as claimed in any one of claims 2 to 4, characterised in that the drop link (13) is provided with at least two spaced apart first articulation points for connection with the first lever (12) and at least two spaced apart second articulation points (131), the second articulation points (131) being for connection with the second lever (14);
the first connecting rod (11) is provided with at least two third hinge points (111) which are arranged at intervals, and the third hinge points (111) are used for being connected with the second lever (14).
6. The foundation brake device of the bogie according to any one of claims 1 to 4, wherein two ends of each brake beam are respectively provided with a sliding block (51) capable of sliding along the sliding way, the sliding blocks (51) are sleeved with a wear sleeve (6), the sliding way is a sliding groove, the lower end surface of the wear sleeve (6) is of a planar structure, and the planar structure can be attached to the groove wall of the sliding groove to slide.
7. Foundation brake arrangement of a bogie according to claim 6, characterised in that the wall surface of the groove wall where the runner meets the wear sleeve (6) is an inclined surface along which the brake beam can slide upwards until the brake shoe (4) meets the wheel (500) surface;
and the brake beam can drive the sliding block (51) to slide downwards along the inclined surface under the action of gravity until the brake shoe (4) is separated from the surface of the wheel (500).
8. A foundation brake arrangement for a bogie as claimed in any one of claims 1 to 4, wherein each of the brake beams has at least two spaced apart links on its upper end surface, the links being connected between the brake beam and the bogie body.
9. A bogie comprising a bogie body, a free form mechanism and a foundation brake arrangement as claimed in any one of claims 1 to 8;
the self-propelled walking mechanism comprises two wheel shafts (300), one wheel shaft (300) is provided with a power gear (400), and the two groups of lever assemblies (1) of the basic braking device are respectively positioned on two sides of the power gear (400).
10. A railway crane comprising a bogie as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271326.8A CN112810656A (en) | 2021-03-12 | 2021-03-12 | Basic brake device of bogie, bogie and railway crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271326.8A CN112810656A (en) | 2021-03-12 | 2021-03-12 | Basic brake device of bogie, bogie and railway crane |
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| Publication Number | Publication Date |
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| CN112810656A true CN112810656A (en) | 2021-05-18 |
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|---|---|---|---|
| CN202110271326.8A Pending CN112810656A (en) | 2021-03-12 | 2021-03-12 | Basic brake device of bogie, bogie and railway crane |
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| CA2352475A1 (en) * | 2000-07-13 | 2002-01-13 | New York Air Brake Corporation | Truck mounted brake system with interchangable lever ratio and replaceable brake heads |
| CN104470784A (en) * | 2011-12-27 | 2015-03-25 | 西屋公司 | Integrated bogie brake and slack adjuster for the use with said integrated bogie brake |
| CN203651796U (en) * | 2013-11-25 | 2014-06-18 | 南车眉山车辆有限公司 | Novel brake device framework |
| CN103786744A (en) * | 2014-01-25 | 2014-05-14 | 南车眉山车辆有限公司 | Lower pull rod type bogie braking fulcrum device |
| CN104088932A (en) * | 2014-07-09 | 2014-10-08 | 齐齐哈尔轨道交通装备有限责任公司 | Sliding block abrasion sleeve and a foundation brake device with same |
| CN104875769A (en) * | 2015-06-05 | 2015-09-02 | 太原轨道交通装备有限责任公司 | Integrated braking device for bogie |
| CN104960542A (en) * | 2015-06-30 | 2015-10-07 | 包头北方创业股份有限公司 | Foundation braking deviation prevention structure of railway wagon |
| CN105416336A (en) * | 2015-12-24 | 2016-03-23 | 南车二七车辆有限公司 | Foundation braking device for railway wagon bogie |
| CN106428093A (en) * | 2016-10-25 | 2017-02-22 | 太原重工股份有限公司 | Coke quenching car braking device and braking suite |
| CN107745724A (en) * | 2017-11-03 | 2018-03-02 | 中车长江车辆有限公司 | Basic braking device for steering bogie of railway goods train brake beam |
| CN112046539A (en) * | 2020-09-27 | 2020-12-08 | 成都工业学院 | Triaxial welding self-steering radial bogie foundation brake device |
| CN214396776U (en) * | 2021-03-12 | 2021-10-15 | 中车齐齐哈尔车辆有限公司 | Basic brake device of bogie, bogie and railway crane |
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